2 ##------------------------------------------------------------##
4 # The multiple-architecture stuff in this file is pretty
5 # cryptic. Read docs/internals/multiple-architectures.txt
6 # for at least a partial explanation of what is going on.
8 ##------------------------------------------------------------##
10 # Process this file with autoconf to produce a configure script.
12 # Define major, minor, micro and suffix here once, then reuse them
13 # for version number in valgrind.h and vg-entities (documentation).
14 # suffix must be empty for a release, otherwise it is GIT or RC1, etc.
15 # Also set the (expected/last) release date here.
16 # Do not forget to rerun ./autogen.sh
17 m4_define([v_major_ver], [3])
18 m4_define([v_minor_ver], [23])
19 m4_define([v_micro_ver], [0])
20 m4_define([v_suffix_ver], [GIT])
21 m4_define([v_rel_date], ["?? Apr 2024"])
22 m4_define([v_version],
23 m4_if(v_suffix_ver, [],
24 [v_major_ver.v_minor_ver.v_micro_ver],
25 [v_major_ver.v_minor_ver.v_micro_ver.v_suffix_ver]))
26 AC_INIT([Valgrind],[v_version],[valgrind-users@lists.sourceforge.net])
29 AC_SUBST(VG_VER_MAJOR, v_major_ver)
30 AC_SUBST(VG_VER_MINOR, v_minor_ver)
32 # For docs/xml/vg-entities.xml
33 AC_SUBST(VG_DATE, v_rel_date)
35 AC_CONFIG_SRCDIR(coregrind/m_main.c)
36 AC_CONFIG_HEADERS([config.h])
37 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
41 #----------------------------------------------------------------------------
42 # Do NOT modify these flags here. Except in feature tests in which case
43 # the original values must be properly restored.
44 #----------------------------------------------------------------------------
48 #----------------------------------------------------------------------------
49 # Checks for various programs.
50 #----------------------------------------------------------------------------
53 m4_version_prereq([2.70], [AC_PROG_CC], [AC_PROG_CC_C99])
54 # Make sure we can compile in C99 mode.
55 if test "$ac_cv_prog_cc_c99" = "no"; then
56 AC_MSG_ERROR([Valgrind relies on a C compiler supporting C99])
60 # AC_PROG_OBJC apparently causes problems on older Linux distros (eg. with
61 # autoconf 2.59). If we ever have any Objective-C code in the Valgrind code
62 # base (eg. most likely as Darwin-specific tests) we'll need one of the
64 # - put AC_PROG_OBJC in a Darwin-specific part of this file
65 # - Use AC_PROG_OBJC here and up the minimum autoconf version
66 # - Use the following, which is apparently equivalent:
67 # m4_ifdef([AC_PROG_OBJC],
69 # [AC_CHECK_TOOL([OBJC], [gcc])
71 # AC_SUBST([OBJCFLAGS])
74 # Set LTO_RANLIB variable to an lto enabled ranlib
75 if test "x$LTO_RANLIB" = "x"; then
76 AC_PATH_PROGS([LTO_RANLIB], [gcc-ranlib])
78 AC_ARG_VAR([LTO_RANLIB],[Library indexer command for link time optimisation])
80 # provide a very basic definition for AC_PROG_SED if it's not provided by
81 # autoconf (as e.g. in autoconf 2.59).
82 m4_ifndef([AC_PROG_SED],
83 [AC_DEFUN([AC_PROG_SED],
85 AC_CHECK_PROGS([SED],[gsed sed])])])
88 AC_DEFUN([AC_PROG_SHA256SUM],
89 [AC_ARG_VAR([SHA256SUM])
90 AC_CHECK_PROGS([SHA256SUM],[gsha256sum sha256sum])])
93 # If no AR variable was specified, look up the name of the archiver. Otherwise
94 # do not touch the AR variable.
95 if test "x$AR" = "x"; then
96 AC_PATH_PROGS([AR], [`echo $LD | $SED 's/ld$/ar/'` "ar"], [ar])
98 AC_ARG_VAR([AR],[Archiver command])
100 # same for LTO_AR variable for lto enabled archiver
101 if test "x$LTO_AR" = "x"; then
102 AC_PATH_PROGS([LTO_AR], [gcc-ar])
104 AC_ARG_VAR([LTO_AR],[Archiver command for link time optimisation])
106 # figure out where perl lives
107 AC_PATH_PROG(PERL, perl)
109 # figure out where gdb lives
110 AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
111 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
113 # some older automake's don't have it so try something on our own
114 ifdef([AM_PROG_AS],[AM_PROG_AS],
124 # Check if 'diff' supports -u (universal diffs) and use it if possible.
126 AC_MSG_CHECKING([for diff -u])
129 # Comparing two identical files results in 0.
130 tmpfile="tmp-xxx-yyy-zzz"
132 if diff -u $tmpfile $tmpfile ; then
141 # We don't want gcc < 3.0
142 AC_MSG_CHECKING([for a supported version of gcc])
144 # Obtain the compiler version.
146 # A few examples of how the ${CC} --version output looks like:
148 # ######## gcc variants ########
149 # Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2
150 # Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2
151 # openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585]
152 # Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2
153 # MontaVista Linux for ARM: arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2009q1-203) 4.3.3
154 # OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
155 # OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)
157 # ######## clang variants ########
158 # Clang: clang version 2.9 (tags/RELEASE_29/final)
159 # Apple clang: Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
160 # FreeBSD clang: FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
162 # ######## Apple LLVM variants ########
163 # Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
164 # Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
167 if test "x`${CC} --version | $SED -n -e 's/.*\Apple \(LLVM\) version.*clang.*/\1/p'`" = "xLLVM" ;
170 gcc_version=`${CC} --version | $SED -n -e 's/.*LLVM version \([0-9.]*\).*$/\1/p'`
171 elif test "x`${CC} --version | $SED -n -e 's/.*\(clang\) version.*/\1/p'`" = "xclang" ;
174 # Don't use -dumpversion with clang: it will always produce "4.2.1".
175 gcc_version=`${CC} --version | $SED -n -e 's/.*clang version \([0-9.]*\).*$/\1/p'`
176 elif test "x`${CC} --version | $SED -n -e 's/icc.*\(ICC\).*/\1/p'`" = "xICC" ;
179 gcc_version=`${CC} -dumpversion 2>/dev/null`
182 gcc_version=`${CC} -dumpversion 2>/dev/null`
183 if test "x$gcc_version" = x; then
184 gcc_version=`${CC} --version | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p'`
188 AM_CONDITIONAL(COMPILER_IS_CLANG, test $is_clang = clang -o $is_clang = applellvm)
189 AM_CONDITIONAL(COMPILER_IS_ICC, test $is_clang = icc)
191 # Note: m4 arguments are quoted with [ and ] so square brackets in shell
192 # statements have to be quoted.
193 case "${is_clang}-${gcc_version}" in
194 applellvm-5.1|applellvm-[[6-9]].*|applellvm-[[1-9][0-9]]*)
195 AC_MSG_RESULT([ok (Apple LLVM version ${gcc_version})])
197 icc-1[[3-9]].*|icc-202[[0-9]].*)
198 AC_MSG_RESULT([ok (ICC version ${gcc_version})])
200 notclang-[[3-9]]|notclang-[[3-9]].*|notclang-[[1-9][0-9]]*)
201 AC_MSG_RESULT([ok (${gcc_version})])
203 clang-2.9|clang-[[3-9]].*|clang-[[1-9][0-9]]*)
204 AC_MSG_RESULT([ok (clang-${gcc_version})])
207 AC_MSG_RESULT([no (${is_clang}-${gcc_version})])
208 AC_MSG_ERROR([please use gcc >= 3.0 or clang >= 2.9 or icc >= 13.0 or Apple LLVM >= 5.1])
212 #----------------------------------------------------------------------------
213 # Arch/OS/platform tests.
214 #----------------------------------------------------------------------------
215 # We create a number of arch/OS/platform-related variables. We prefix them
216 # all with "VGCONF_" which indicates that they are defined at
217 # configure-time, and distinguishes them from the VGA_*/VGO_*/VGP_*
218 # variables used when compiling C files.
222 AC_MSG_CHECKING([for a supported CPU])
224 # ARCH_MAX reflects the most that this CPU can do: for example if it
225 # is a 64-bit capable PowerPC, then it must be set to ppc64 and not ppc32.
226 # Ditto for amd64. It is used for more configuration below, but is not used
229 # Power PC returns powerpc for Big Endian. This was not changed when Little
230 # Endian support was added to the 64-bit architecture. The 64-bit Little
231 # Endian systems explicitly state le in the host_cpu. For clarity in the
232 # Valgrind code, the ARCH_MAX name will state LE or BE for the endianness of
233 # the 64-bit system. Big Endian is the only mode supported on 32-bit Power PC.
234 # The abreviation PPC or ppc refers to 32-bit and 64-bit systems with either
235 # Endianness. The name PPC64 or ppc64 to 64-bit systems of either Endianness.
236 # The names ppc64be or PPC64BE refer to only 64-bit systems that are Big
237 # Endian. Similarly, ppc64le or PPC64LE refer to only 64-bit systems that are
240 VGCONF_PLATFORM_ARM_ARCH=
242 case "${host_cpu}" in
244 AC_MSG_RESULT([ok (${host_cpu})])
249 AC_MSG_RESULT([ok (${host_cpu})])
254 # this only referrs to 64-bit Big Endian
255 AC_MSG_RESULT([ok (${host_cpu})])
260 # this only referrs to 64-bit Little Endian
261 AC_MSG_RESULT([ok (${host_cpu})])
266 # On Linux this means only a 32-bit capable CPU.
267 AC_MSG_RESULT([ok (${host_cpu})])
272 AC_MSG_RESULT([ok (${host_cpu})])
277 AC_MSG_RESULT([ok (${host_cpu})])
278 VGCONF_PLATFORM_ARM_ARCH="-marm -mcpu=cortex-a8"
283 AC_MSG_RESULT([ok (${host_cpu})])
284 VGCONF_PLATFORM_ARM_ARCH="-march=armv7 -mcpu=cortex-a8"
289 AC_MSG_RESULT([ok (${host_cpu})])
290 VGCONF_PLATFORM_ARM_ARCH="-march=armv6"
295 AC_MSG_RESULT([ok (${host_cpu})])
300 AC_MSG_RESULT([ok (${host_cpu})])
305 AC_MSG_RESULT([ok (${host_cpu})])
310 AC_MSG_RESULT([ok (${host_cpu})])
315 AC_MSG_RESULT([ok (${host_cpu})])
320 AC_MSG_RESULT([ok (${host_cpu})])
324 AC_MSG_RESULT([ok (${host_cpu})])
329 AC_MSG_RESULT([no (${host_cpu})])
330 AC_MSG_ERROR([Unsupported host architecture. Sorry])
334 AC_SUBST(VGCONF_PLATFORM_ARM_ARCH)
336 #----------------------------------------------------------------------------
338 # Sometimes it's convenient to subvert the bi-arch build system and
339 # just have a single build even though the underlying platform is
340 # capable of both. Hence handle --enable-only64bit and
341 # --enable-only32bit. Complain if both are issued :-)
342 # [Actually, if either of these options are used, I think both get built,
343 # but only one gets installed. So if you use an in-place build, both can be
346 # Check if a 64-bit only build has been requested
347 AC_CACHE_CHECK([for a 64-bit only build], vg_cv_only64bit,
348 [AC_ARG_ENABLE(only64bit,
349 [ --enable-only64bit do a 64-bit only build],
350 [vg_cv_only64bit=$enableval],
351 [vg_cv_only64bit=no])])
353 # Check if a 32-bit only build has been requested
354 AC_CACHE_CHECK([for a 32-bit only build], vg_cv_only32bit,
355 [AC_ARG_ENABLE(only32bit,
356 [ --enable-only32bit do a 32-bit only build],
357 [vg_cv_only32bit=$enableval],
358 [vg_cv_only32bit=no])])
361 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
363 [Nonsensical: both --enable-only64bit and --enable-only32bit.])
366 #----------------------------------------------------------------------------
368 # VGCONF_OS is the primary build OS, eg. "linux". It is passed in to
369 # compilation of many C files via -VGO_$(VGCONF_OS) and
370 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
371 AC_MSG_CHECKING([for a supported OS])
378 AC_MSG_RESULT([ok (${host_os})])
381 # Ok, this is linux. Check the kernel version
382 AC_MSG_CHECKING([for the kernel version])
387 0.*|1.*|2.0.*|2.1.*|2.2.*|2.3.*|2.4.*|2.5.*)
388 AC_MSG_RESULT([unsupported (${kernel})])
389 AC_MSG_ERROR([Valgrind needs a Linux kernel >= 2.6])
393 AC_MSG_RESULT([2.6 or later (${kernel})])
400 AC_MSG_RESULT([ok (${host_os})])
402 AC_DEFINE([FREEBSD_10], 1000, [FREEBSD_VERS value for FreeBSD 10.x])
404 AC_DEFINE([FREEBSD_11], 1100, [FREEBSD_VERS value for FreeBSD 11.x])
406 AC_DEFINE([FREEBSD_12], 1200, [FREEBSD_VERS value for FreeBSD 12.0 to 12.1])
408 AC_DEFINE([FREEBSD_12_2], 1220, [FREEBSD_VERS value for FreeBSD 12.2])
410 AC_DEFINE([FREEBSD_13_0], 1300, [FREEBSD_VERS value for FreeBSD 13.0])
412 AC_DEFINE([FREEBSD_13_1], 1310, [FREEBSD_VERS value for FreeBSD 13.1])
414 AC_DEFINE([FREEBSD_13_2], 1320, [FREEBSD_VERS value for FreeBSD 13.2])
416 AC_DEFINE([FREEBSD_14], 1400, [FREEBSD_VERS value for FreeBSD 14.x])
418 AC_DEFINE([FREEBSD_15], 1500, [FREEBSD_VERS value for FreeBSD 15.x])
421 AC_MSG_CHECKING([for the kernel version])
426 AC_MSG_RESULT([FreeBSD 10.x (${kernel})])
427 AC_DEFINE([FREEBSD_VERS], FREEBSD_10, [FreeBSD version])
428 freebsd_vers=$freebsd_10
431 AC_MSG_RESULT([FreeBSD 11.x (${kernel})])
432 AC_DEFINE([FREEBSD_VERS], FREEBSD_11, [FreeBSD version])
433 freebsd_vers=$freebsd_11
438 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
439 AC_DEFINE([FREEBSD_VERS], FREEBSD_12, [FreeBSD version])
440 freebsd_vers=$freebsd_12
443 AC_MSG_RESULT([FreeBSD 12.x (${kernel})])
444 AC_DEFINE([FREEBSD_VERS], FREEBSD_12_2, [FreeBSD version])
445 freebsd_vers=$freebsd_12_2
452 AC_MSG_RESULT([FreeBSD 13.0 (${kernel})])
453 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_0, [FreeBSD version])
454 freebsd_vers=$freebsd_13_0
457 AC_MSG_RESULT([FreeBSD 13.1 (${kernel})])
458 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_1, [FreeBSD version])
459 freebsd_vers=$freebsd_13_1
462 AC_MSG_RESULT([FreeBSD 13.2 (${kernel})])
463 AC_DEFINE([FREEBSD_VERS], FREEBSD_13_2, [FreeBSD version])
464 freebsd_vers=$freebsd_13_2
467 AC_MSG_RESULT([unsupported (${kernel})])
468 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 15.x])
473 AC_MSG_RESULT([FreeBSD 14.x (${kernel})])
474 AC_DEFINE([FREEBSD_VERS], FREEBSD_14, [FreeBSD version])
475 freebsd_vers=$freebsd_14
478 AC_MSG_RESULT([FreeBSD 15.x (${kernel})])
479 AC_DEFINE([FREEBSD_VERS], FREEBSD_15, [FreeBSD version])
480 freebsd_vers=$freebsd_15
483 AC_MSG_RESULT([unsupported (${kernel})])
484 AC_MSG_ERROR([Valgrind works on FreeBSD 10.x to 15.x])
488 DEFAULT_SUPP="$srcdir/freebsd.supp $srcdir/freebsd-helgrind.supp $srcdir/freebsd-drd.supp ${DEFAULT_SUPP}"
492 AC_MSG_RESULT([ok (${host_os})])
494 AC_DEFINE([DARWIN_10_5], 100500, [DARWIN_VERS value for Mac OS X 10.5])
495 AC_DEFINE([DARWIN_10_6], 100600, [DARWIN_VERS value for Mac OS X 10.6])
496 AC_DEFINE([DARWIN_10_7], 100700, [DARWIN_VERS value for Mac OS X 10.7])
497 AC_DEFINE([DARWIN_10_8], 100800, [DARWIN_VERS value for Mac OS X 10.8])
498 AC_DEFINE([DARWIN_10_9], 100900, [DARWIN_VERS value for Mac OS X 10.9])
499 AC_DEFINE([DARWIN_10_10], 101000, [DARWIN_VERS value for Mac OS X 10.10])
500 AC_DEFINE([DARWIN_10_11], 101100, [DARWIN_VERS value for Mac OS X 10.11])
501 AC_DEFINE([DARWIN_10_12], 101200, [DARWIN_VERS value for macOS 10.12])
502 AC_DEFINE([DARWIN_10_13], 101300, [DARWIN_VERS value for macOS 10.13])
504 AC_MSG_CHECKING([for the kernel version])
507 # Nb: for Darwin we set DEFAULT_SUPP here. That's because Darwin
508 # has only one relevant version, the OS version. The `uname` check
509 # is a good way to get that version (i.e. "Darwin 9.6.0" is Mac OS
510 # X 10.5.6, and "Darwin 10.x" is Mac OS X 10.6.x Snow Leopard,
511 # and possibly "Darwin 11.x" is Mac OS X 10.7.x Lion),
512 # and we don't know of an macros similar to __GLIBC__ to get that info.
514 # XXX: `uname -r` won't do the right thing for cross-compiles, but
515 # that's not a problem yet.
517 # jseward 21 Sept 2011: I seriously doubt whether V 3.7.0 will work
518 # on OS X 10.5.x; I haven't tested yet, and only plan to test 3.7.0
519 # on 10.6.8 and 10.7.1. Although tempted to delete the configure
520 # time support for 10.5 (the 9.* pattern just below), I'll leave it
521 # in for now, just in case anybody wants to give it a try. But I'm
522 # assuming that 3.7.0 is a Snow Leopard and Lion-only release.
525 AC_MSG_RESULT([Darwin 9.x (${kernel}) / Mac OS X 10.5 Leopard])
526 AC_DEFINE([DARWIN_VERS], DARWIN_10_5, [Darwin / Mac OS X version])
527 DEFAULT_SUPP="$srcdir/darwin9.supp ${DEFAULT_SUPP}"
528 DEFAULT_SUPP="$srcdir/darwin9-drd.supp ${DEFAULT_SUPP}"
531 AC_MSG_RESULT([Darwin 10.x (${kernel}) / Mac OS X 10.6 Snow Leopard])
532 AC_DEFINE([DARWIN_VERS], DARWIN_10_6, [Darwin / Mac OS X version])
533 DEFAULT_SUPP="$srcdir/darwin10.supp ${DEFAULT_SUPP}"
534 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
537 AC_MSG_RESULT([Darwin 11.x (${kernel}) / Mac OS X 10.7 Lion])
538 AC_DEFINE([DARWIN_VERS], DARWIN_10_7, [Darwin / Mac OS X version])
539 DEFAULT_SUPP="$srcdir/darwin11.supp ${DEFAULT_SUPP}"
540 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
543 AC_MSG_RESULT([Darwin 12.x (${kernel}) / Mac OS X 10.8 Mountain Lion])
544 AC_DEFINE([DARWIN_VERS], DARWIN_10_8, [Darwin / Mac OS X version])
545 DEFAULT_SUPP="$srcdir/darwin12.supp ${DEFAULT_SUPP}"
546 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
549 AC_MSG_RESULT([Darwin 13.x (${kernel}) / Mac OS X 10.9 Mavericks])
550 AC_DEFINE([DARWIN_VERS], DARWIN_10_9, [Darwin / Mac OS X version])
551 DEFAULT_SUPP="$srcdir/darwin13.supp ${DEFAULT_SUPP}"
552 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
555 AC_MSG_RESULT([Darwin 14.x (${kernel}) / Mac OS X 10.10 Yosemite])
556 AC_DEFINE([DARWIN_VERS], DARWIN_10_10, [Darwin / Mac OS X version])
557 DEFAULT_SUPP="$srcdir/darwin14.supp ${DEFAULT_SUPP}"
558 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
561 AC_MSG_RESULT([Darwin 15.x (${kernel}) / Mac OS X 10.11 El Capitan])
562 AC_DEFINE([DARWIN_VERS], DARWIN_10_11, [Darwin / Mac OS X version])
563 DEFAULT_SUPP="$srcdir/darwin15.supp ${DEFAULT_SUPP}"
564 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
567 AC_MSG_RESULT([Darwin 16.x (${kernel}) / macOS 10.12 Sierra])
568 AC_DEFINE([DARWIN_VERS], DARWIN_10_12, [Darwin / Mac OS X version])
569 DEFAULT_SUPP="$srcdir/darwin16.supp ${DEFAULT_SUPP}"
570 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
573 AC_MSG_RESULT([Darwin 17.x (${kernel}) / macOS 10.13 High Sierra])
574 AC_DEFINE([DARWIN_VERS], DARWIN_10_13, [Darwin / Mac OS X version])
575 DEFAULT_SUPP="$srcdir/darwin17.supp ${DEFAULT_SUPP}"
576 DEFAULT_SUPP="$srcdir/darwin10-drd.supp ${DEFAULT_SUPP}"
579 AC_MSG_RESULT([unsupported (${kernel})])
580 AC_MSG_ERROR([Valgrind works on Darwin 10.x, 11.x, 12.x, 13.x, 14.x, 15.x, 16.x and 17.x (Mac OS X 10.6/7/8/9/10/11 and macOS 10.12/13)])
586 AC_MSG_RESULT([ok (${host_os})])
589 uname_v=$( uname -v )
592 DEFAULT_SUPP="$srcdir/solaris12.supp ${DEFAULT_SUPP}"
595 DEFAULT_SUPP="$srcdir/solaris11.supp ${DEFAULT_SUPP}"
601 AC_MSG_RESULT([ok (${host_os})])
603 DEFAULT_SUPP="$srcdir/solaris12.supp ${DEFAULT_SUPP}"
607 AC_MSG_RESULT([no (${host_os})])
608 AC_MSG_ERROR([Valgrind is operating system specific. Sorry.])
612 #----------------------------------------------------------------------------
614 # If we are building on a 64 bit platform test to see if the system
615 # supports building 32 bit programs and disable 32 bit support if it
616 # does not support building 32 bit programs
618 case "$ARCH_MAX-$VGCONF_OS" in
619 amd64-linux|ppc64be-linux|arm64-linux|amd64-solaris)
620 AC_MSG_CHECKING([for 32 bit build support])
623 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
628 vg_cv_only64bit="yes"
631 CFLAGS=$safe_CFLAGS;;
633 AC_MSG_CHECKING([for 32 bit build support])
635 CFLAGS="$CFLAGS -mips32 -mabi=32"
636 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
637 #include <sys/prctl.h>
641 vg_cv_only64bit="yes"
644 CFLAGS=$safe_CFLAGS;;
647 if test x$vg_cv_only64bit = xyes -a x$vg_cv_only32bit = xyes; then
649 [--enable-only32bit was specified but system does not support 32 bit builds])
652 #----------------------------------------------------------------------------
654 # VGCONF_ARCH_PRI is the arch for the primary build target, eg. "amd64". By
655 # default it's the same as ARCH_MAX. But if, say, we do a build on an amd64
656 # machine, but --enable-only32bit has been requested, then ARCH_MAX (see
657 # above) will be "amd64" since that reflects the most that this cpu can do,
658 # but VGCONF_ARCH_PRI will be downgraded to "x86", since that reflects the
659 # arch corresponding to the primary build (VGCONF_PLATFORM_PRI_CAPS). It is
660 # passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_PRI) and
661 # -VGP_$(VGCONF_ARCH_PRI)_$(VGCONF_OS).
662 AC_SUBST(VGCONF_ARCH_PRI)
664 # VGCONF_ARCH_SEC is the arch for the secondary build target, eg. "x86".
665 # It is passed in to compilation of many C files via -VGA_$(VGCONF_ARCH_SEC)
666 # and -VGP_$(VGCONF_ARCH_SEC)_$(VGCONF_OS), if there is a secondary target.
667 # It is empty if there is no secondary target.
668 AC_SUBST(VGCONF_ARCH_SEC)
670 # VGCONF_PLATFORM_PRI_CAPS is the primary build target, eg. "AMD64_LINUX".
671 # The entire system, including regression and performance tests, will be
672 # built for this target. The "_CAPS" indicates that the name is in capital
673 # letters, and it also uses '_' rather than '-' as a separator, because it's
674 # used to create various Makefile variables, which are all in caps by
675 # convention and cannot contain '-' characters. This is in contrast to
676 # VGCONF_ARCH_PRI and VGCONF_OS which are not in caps.
677 AC_SUBST(VGCONF_PLATFORM_PRI_CAPS)
679 # VGCONF_PLATFORM_SEC_CAPS is the secondary build target, if there is one.
680 # Valgrind and tools will also be built for this target, but not the
681 # regression or performance tests.
683 # By default, the primary arch is the same as the "max" arch, as commented
684 # above (at the definition of ARCH_MAX). We may choose to downgrade it in
685 # the big case statement just below here, in the case where we're building
686 # on a 64 bit machine but have been requested only to do a 32 bit build.
687 AC_SUBST(VGCONF_PLATFORM_SEC_CAPS)
689 AC_MSG_CHECKING([for a supported CPU/OS combination])
691 # NB. The load address for a given platform may be specified in more
692 # than one place, in some cases, depending on whether we're doing a biarch,
693 # 32-bit only or 64-bit only build. eg see case for amd64-linux below.
694 # Be careful to give consistent values in all subcases. Also, all four
695 # valt_load_addres_{pri,sec}_{norml,inner} values must always be set,
696 # even if it is to "0xUNSET".
698 case "$ARCH_MAX-$VGCONF_OS" in
700 VGCONF_ARCH_PRI="x86"
702 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
703 VGCONF_PLATFORM_SEC_CAPS=""
704 valt_load_address_pri_norml="0x58000000"
705 valt_load_address_pri_inner="0x38000000"
706 valt_load_address_sec_norml="0xUNSET"
707 valt_load_address_sec_inner="0xUNSET"
708 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
711 valt_load_address_sec_norml="0xUNSET"
712 valt_load_address_sec_inner="0xUNSET"
713 if test x$vg_cv_only64bit = xyes; then
714 VGCONF_ARCH_PRI="amd64"
716 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
717 VGCONF_PLATFORM_SEC_CAPS=""
718 valt_load_address_pri_norml="0x58000000"
719 valt_load_address_pri_inner="0x38000000"
720 elif test x$vg_cv_only32bit = xyes; then
721 VGCONF_ARCH_PRI="x86"
723 VGCONF_PLATFORM_PRI_CAPS="X86_LINUX"
724 VGCONF_PLATFORM_SEC_CAPS=""
725 valt_load_address_pri_norml="0x58000000"
726 valt_load_address_pri_inner="0x38000000"
728 VGCONF_ARCH_PRI="amd64"
729 VGCONF_ARCH_SEC="x86"
730 VGCONF_PLATFORM_PRI_CAPS="AMD64_LINUX"
731 VGCONF_PLATFORM_SEC_CAPS="X86_LINUX"
732 valt_load_address_pri_norml="0x58000000"
733 valt_load_address_pri_inner="0x38000000"
734 valt_load_address_sec_norml="0x58000000"
735 valt_load_address_sec_inner="0x38000000"
737 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
740 VGCONF_ARCH_PRI="ppc32"
742 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
743 VGCONF_PLATFORM_SEC_CAPS=""
744 valt_load_address_pri_norml="0x58000000"
745 valt_load_address_pri_inner="0x38000000"
746 valt_load_address_sec_norml="0xUNSET"
747 valt_load_address_sec_inner="0xUNSET"
748 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
751 valt_load_address_sec_norml="0xUNSET"
752 valt_load_address_sec_inner="0xUNSET"
753 if test x$vg_cv_only64bit = xyes; then
754 VGCONF_ARCH_PRI="ppc64be"
756 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
757 VGCONF_PLATFORM_SEC_CAPS=""
758 valt_load_address_pri_norml="0x58000000"
759 valt_load_address_pri_inner="0x38000000"
760 elif test x$vg_cv_only32bit = xyes; then
761 VGCONF_ARCH_PRI="ppc32"
763 VGCONF_PLATFORM_PRI_CAPS="PPC32_LINUX"
764 VGCONF_PLATFORM_SEC_CAPS=""
765 valt_load_address_pri_norml="0x58000000"
766 valt_load_address_pri_inner="0x38000000"
768 VGCONF_ARCH_PRI="ppc64be"
769 VGCONF_ARCH_SEC="ppc32"
770 VGCONF_PLATFORM_PRI_CAPS="PPC64BE_LINUX"
771 VGCONF_PLATFORM_SEC_CAPS="PPC32_LINUX"
772 valt_load_address_pri_norml="0x58000000"
773 valt_load_address_pri_inner="0x38000000"
774 valt_load_address_sec_norml="0x58000000"
775 valt_load_address_sec_inner="0x38000000"
777 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
780 # Little Endian is only supported on PPC64
781 valt_load_address_sec_norml="0xUNSET"
782 valt_load_address_sec_inner="0xUNSET"
783 VGCONF_ARCH_PRI="ppc64le"
785 VGCONF_PLATFORM_PRI_CAPS="PPC64LE_LINUX"
786 VGCONF_PLATFORM_SEC_CAPS=""
787 valt_load_address_pri_norml="0x58000000"
788 valt_load_address_pri_inner="0x38000000"
789 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
792 VGCONF_ARCH_PRI="x86"
794 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
795 VGCONF_PLATFORM_SEC_CAPS=""
796 valt_load_address_pri_norml="0x38000000"
797 valt_load_address_pri_inner="0x28000000"
798 valt_load_address_sec_norml="0xUNSET"
799 valt_load_address_sec_inner="0xUNSET"
800 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
803 if test x$vg_cv_only64bit = xyes; then
804 VGCONF_ARCH_PRI="amd64"
806 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
807 VGCONF_PLATFORM_SEC_CAPS=""
808 elif test x$vg_cv_only32bit = xyes; then
809 VGCONF_ARCH_PRI="x86"
811 VGCONF_PLATFORM_PRI_CAPS="X86_FREEBSD"
812 VGCONF_PLATFORM_SEC_CAPS=""
814 VGCONF_ARCH_PRI="amd64"
815 VGCONF_ARCH_SEC="x86"
816 VGCONF_PLATFORM_PRI_CAPS="AMD64_FREEBSD"
817 VGCONF_PLATFORM_SEC_CAPS="X86_FREEBSD"
819 # These work with either base clang or ports installed gcc
820 # Hand rolled compilers probably need INSTALL_DIR/lib (at least for gcc)
821 if test x$is_clang = xclang ; then
822 FLAG_32ON64="-B/usr/lib32"
824 GCC_MAJOR_VERSION=`${CC} -dumpversion | $SED 's/\..*//' 2>/dev/null`
825 FLAG_32ON64="-B/usr/local/lib32/gcc${GCC_MAJOR_VERSION} -Wl,-rpath,/usr/local/lib32/gcc${GCC_MAJOR_VERSION}/"
826 FLAG_32ON64_GXX="-L/usr/local/lib32/gcc${GCC_MAJOR_VERSION} -lgcc_s"
827 AC_SUBST(FLAG_32ON64_GXX)
829 valt_load_address_pri_norml="0x38000000"
830 valt_load_address_pri_inner="0x28000000"
831 valt_load_address_sec_norml="0x38000000"
832 valt_load_address_sec_inner="0x28000000"
833 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
835 # Darwin gets identified as 32-bit even when it supports 64-bit.
836 # (Not sure why, possibly because 'uname' returns "i386"?) Just about
837 # all Macs support both 32-bit and 64-bit, so we just build both. If
838 # someone has a really old 32-bit only machine they can (hopefully?)
839 # build with --enable-only32bit. See bug 243362.
840 x86-darwin|amd64-darwin)
842 valt_load_address_sec_norml="0xUNSET"
843 valt_load_address_sec_inner="0xUNSET"
844 if test x$vg_cv_only64bit = xyes; then
845 VGCONF_ARCH_PRI="amd64"
847 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
848 VGCONF_PLATFORM_SEC_CAPS=""
849 valt_load_address_pri_norml="0x158000000"
850 valt_load_address_pri_inner="0x138000000"
851 elif test x$vg_cv_only32bit = xyes; then
852 VGCONF_ARCH_PRI="x86"
854 VGCONF_PLATFORM_PRI_CAPS="X86_DARWIN"
855 VGCONF_PLATFORM_SEC_CAPS=""
856 VGCONF_ARCH_PRI_CAPS="x86"
857 valt_load_address_pri_norml="0x58000000"
858 valt_load_address_pri_inner="0x38000000"
860 VGCONF_ARCH_PRI="amd64"
861 VGCONF_ARCH_SEC="x86"
862 VGCONF_PLATFORM_PRI_CAPS="AMD64_DARWIN"
863 VGCONF_PLATFORM_SEC_CAPS="X86_DARWIN"
864 valt_load_address_pri_norml="0x158000000"
865 valt_load_address_pri_inner="0x138000000"
866 valt_load_address_sec_norml="0x58000000"
867 valt_load_address_sec_inner="0x38000000"
869 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
872 VGCONF_ARCH_PRI="arm"
873 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
874 VGCONF_PLATFORM_SEC_CAPS=""
875 valt_load_address_pri_norml="0x58000000"
876 valt_load_address_pri_inner="0x38000000"
877 valt_load_address_sec_norml="0xUNSET"
878 valt_load_address_sec_inner="0xUNSET"
879 AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
882 valt_load_address_sec_norml="0xUNSET"
883 valt_load_address_sec_inner="0xUNSET"
884 if test x$vg_cv_only64bit = xyes; then
885 VGCONF_ARCH_PRI="arm64"
887 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
888 VGCONF_PLATFORM_SEC_CAPS=""
889 valt_load_address_pri_norml="0x58000000"
890 valt_load_address_pri_inner="0x38000000"
891 elif test x$vg_cv_only32bit = xyes; then
892 VGCONF_ARCH_PRI="arm"
894 VGCONF_PLATFORM_PRI_CAPS="ARM_LINUX"
895 VGCONF_PLATFORM_SEC_CAPS=""
896 valt_load_address_pri_norml="0x58000000"
897 valt_load_address_pri_inner="0x38000000"
899 VGCONF_ARCH_PRI="arm64"
900 VGCONF_ARCH_SEC="arm"
901 VGCONF_PLATFORM_PRI_CAPS="ARM64_LINUX"
902 VGCONF_PLATFORM_SEC_CAPS="ARM_LINUX"
903 valt_load_address_pri_norml="0x58000000"
904 valt_load_address_pri_inner="0x38000000"
905 valt_load_address_sec_norml="0x58000000"
906 valt_load_address_sec_inner="0x38000000"
908 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
911 VGCONF_ARCH_PRI="s390x"
913 VGCONF_PLATFORM_PRI_CAPS="S390X_LINUX"
914 VGCONF_PLATFORM_SEC_CAPS=""
915 # To improve branch prediction hit rate we want to have
916 # the generated code close to valgrind (host) code
917 valt_load_address_pri_norml="0x800000000"
918 valt_load_address_pri_inner="0x810000000"
919 valt_load_address_sec_norml="0xUNSET"
920 valt_load_address_sec_inner="0xUNSET"
921 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
924 VGCONF_ARCH_PRI="mips32"
926 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
927 VGCONF_PLATFORM_SEC_CAPS=""
928 valt_load_address_pri_norml="0x58000000"
929 valt_load_address_pri_inner="0x38000000"
930 valt_load_address_sec_norml="0xUNSET"
931 valt_load_address_sec_inner="0xUNSET"
932 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
935 valt_load_address_sec_norml="0xUNSET"
936 valt_load_address_sec_inner="0xUNSET"
937 if test x$vg_cv_only64bit = xyes; then
938 VGCONF_ARCH_PRI="mips64"
939 VGCONF_PLATFORM_SEC_CAPS=""
940 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
941 VGCONF_PLATFORM_SEC_CAPS=""
942 valt_load_address_pri_norml="0x58000000"
943 valt_load_address_pri_inner="0x38000000"
944 elif test x$vg_cv_only32bit = xyes; then
945 VGCONF_ARCH_PRI="mips32"
947 VGCONF_PLATFORM_PRI_CAPS="MIPS32_LINUX"
948 VGCONF_PLATFORM_SEC_CAPS=""
949 valt_load_address_pri_norml="0x58000000"
950 valt_load_address_pri_inner="0x38000000"
952 VGCONF_ARCH_PRI="mips64"
953 VGCONF_ARCH_SEC="mips32"
954 VGCONF_PLATFORM_PRI_CAPS="MIPS64_LINUX"
955 VGCONF_PLATFORM_SEC_CAPS="MIPS32_LINUX"
956 valt_load_address_pri_norml="0x58000000"
957 valt_load_address_pri_inner="0x38000000"
958 valt_load_address_sec_norml="0x58000000"
959 valt_load_address_sec_inner="0x38000000"
961 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
964 VGCONF_ARCH_PRI="nanomips"
966 VGCONF_PLATFORM_PRI_CAPS="NANOMIPS_LINUX"
967 VGCONF_PLATFORM_SEC_CAPS=""
968 valt_load_address_pri_norml="0x58000000"
969 valt_load_address_pri_inner="0x38000000"
970 valt_load_address_sec_norml="0xUNSET"
971 valt_load_address_sec_inner="0xUNSET"
972 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
975 VGCONF_ARCH_PRI="x86"
977 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
978 VGCONF_PLATFORM_SEC_CAPS=""
979 valt_load_address_pri_norml="0x58000000"
980 valt_load_address_pri_inner="0x38000000"
981 valt_load_address_sec_norml="0xUNSET"
982 valt_load_address_sec_inner="0xUNSET"
983 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
986 valt_load_address_sec_norml="0xUNSET"
987 valt_load_address_sec_inner="0xUNSET"
988 if test x$vg_cv_only64bit = xyes; then
989 VGCONF_ARCH_PRI="amd64"
991 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
992 VGCONF_PLATFORM_SEC_CAPS=""
993 valt_load_address_pri_norml="0x58000000"
994 valt_load_address_pri_inner="0x38000000"
995 elif test x$vg_cv_only32bit = xyes; then
996 VGCONF_ARCH_PRI="x86"
998 VGCONF_PLATFORM_PRI_CAPS="X86_SOLARIS"
999 VGCONF_PLATFORM_SEC_CAPS=""
1000 valt_load_address_pri_norml="0x58000000"
1001 valt_load_address_pri_inner="0x38000000"
1003 VGCONF_ARCH_PRI="amd64"
1004 VGCONF_ARCH_SEC="x86"
1005 VGCONF_PLATFORM_PRI_CAPS="AMD64_SOLARIS"
1006 VGCONF_PLATFORM_SEC_CAPS="X86_SOLARIS"
1007 valt_load_address_pri_norml="0x58000000"
1008 valt_load_address_pri_inner="0x38000000"
1009 valt_load_address_sec_norml="0x58000000"
1010 valt_load_address_sec_inner="0x38000000"
1012 AC_MSG_RESULT([ok (${ARCH_MAX}-${VGCONF_OS})])
1015 VGCONF_ARCH_PRI="unknown"
1016 VGCONF_ARCH_SEC="unknown"
1017 VGCONF_PLATFORM_PRI_CAPS="UNKNOWN"
1018 VGCONF_PLATFORM_SEC_CAPS="UNKNOWN"
1019 valt_load_address_pri_norml="0xUNSET"
1020 valt_load_address_pri_inner="0xUNSET"
1021 valt_load_address_sec_norml="0xUNSET"
1022 valt_load_address_sec_inner="0xUNSET"
1023 AC_MSG_RESULT([no (${ARCH_MAX}-${VGCONF_OS})])
1024 AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doing a port.])
1028 #----------------------------------------------------------------------------
1030 # Set up VGCONF_ARCHS_INCLUDE_<arch>. Either one or two of these become
1032 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_X86,
1033 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1034 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
1035 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1036 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD \
1037 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1038 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN \
1039 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1040 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS )
1041 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_AMD64,
1042 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
1043 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1044 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN \
1045 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS )
1046 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC32,
1047 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1048 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX )
1049 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_PPC64,
1050 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
1051 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX )
1052 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM,
1053 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1054 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX )
1055 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_ARM64,
1056 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX )
1057 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_S390X,
1058 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX )
1059 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS32,
1060 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1061 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX )
1062 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_MIPS64,
1063 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX )
1064 AM_CONDITIONAL(VGCONF_ARCHS_INCLUDE_NANOMIPS,
1065 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX )
1067 # Set up VGCONF_PLATFORMS_INCLUDE_<platform>. Either one or two of these
1069 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_LINUX,
1070 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1071 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX)
1072 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_LINUX,
1073 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX)
1074 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC32_LINUX,
1075 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1076 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX)
1077 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64BE_LINUX,
1078 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX)
1079 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_PPC64LE_LINUX,
1080 test x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX)
1081 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM_LINUX,
1082 test x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1083 -o x$VGCONF_PLATFORM_SEC_CAPS = xARM_LINUX)
1084 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_ARM64_LINUX,
1085 test x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX)
1086 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_S390X_LINUX,
1087 test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1088 -o x$VGCONF_PLATFORM_SEC_CAPS = xS390X_LINUX)
1089 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS32_LINUX,
1090 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1091 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX)
1092 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_MIPS64_LINUX,
1093 test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX)
1094 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_NANOMIPS_LINUX,
1095 test x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1096 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_FREEBSD,
1097 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1098 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD)
1099 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_FREEBSD,
1100 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD)
1101 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_DARWIN,
1102 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1103 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN)
1104 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_DARWIN,
1105 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1106 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_X86_SOLARIS,
1107 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1108 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS)
1109 AM_CONDITIONAL(VGCONF_PLATFORMS_INCLUDE_AMD64_SOLARIS,
1110 test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1113 # Similarly, set up VGCONF_OS_IS_<os>. Exactly one of these becomes defined.
1114 # Relies on the assumption that the primary and secondary targets are
1115 # for the same OS, so therefore only necessary to test the primary.
1116 AM_CONDITIONAL(VGCONF_OS_IS_LINUX,
1117 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
1118 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
1119 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
1120 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64BE_LINUX \
1121 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64LE_LINUX \
1122 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
1123 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
1124 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX \
1125 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
1126 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
1127 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX)
1128 AM_CONDITIONAL(VGCONF_OS_IS_FREEBSD,
1129 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1130 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD)
1131 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN,
1132 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1133 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1134 AM_CONDITIONAL(VGCONF_OS_IS_SOLARIS,
1135 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1136 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS)
1137 AM_CONDITIONAL(VGCONF_OS_IS_DARWIN_OR_FREEBSD,
1138 test x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
1139 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
1140 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN \
1141 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN)
1144 # Sometimes, in the Makefile.am files, it's useful to know whether or not
1145 # there is a secondary target.
1146 AM_CONDITIONAL(VGCONF_HAVE_PLATFORM_SEC,
1147 test x$VGCONF_PLATFORM_SEC_CAPS != x)
1149 dnl automake-1.10 does not have AM_COND_IF (added in 1.11), so we supply a
1150 dnl fallback definition
1151 dnl The macro is courtesy of Dave Hart:
1152 dnl https://lists.gnu.org/archive/html/automake/2010-12/msg00045.html
1153 m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
1154 if test -z "$$1_TRUE"; then :
1163 #----------------------------------------------------------------------------
1165 #----------------------------------------------------------------------------
1167 # Check if this should be built as an inner Valgrind, to be run within
1168 # another Valgrind. Choose the load address accordingly.
1169 AC_SUBST(VALT_LOAD_ADDRESS_PRI)
1170 AC_SUBST(VALT_LOAD_ADDRESS_SEC)
1171 AC_CACHE_CHECK([for use as an inner Valgrind], vg_cv_inner,
1172 [AC_ARG_ENABLE(inner,
1173 [ --enable-inner enables self-hosting],
1174 [vg_cv_inner=$enableval],
1176 if test "$vg_cv_inner" = yes; then
1177 AC_DEFINE([ENABLE_INNER], 1, [configured to run as an inner Valgrind])
1178 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_inner
1179 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_inner
1181 VALT_LOAD_ADDRESS_PRI=$valt_load_address_pri_norml
1182 VALT_LOAD_ADDRESS_SEC=$valt_load_address_sec_norml
1185 #----------------------------------------------------------------------------
1186 # Undefined behaviour sanitiser
1187 #----------------------------------------------------------------------------
1188 # Check whether we should build with the undefined beahviour sanitiser.
1190 AC_CACHE_CHECK([for using the undefined behaviour sanitiser], vg_cv_ubsan,
1191 [AC_ARG_ENABLE(ubsan,
1192 [ --enable-ubsan enables the undefined behaviour sanitiser],
1193 [vg_cv_ubsan=$enableval],
1196 #----------------------------------------------------------------------------
1197 # Extra fine-tuning of installation directories
1198 #----------------------------------------------------------------------------
1200 [ --with-tmpdir=PATH Specify path for temporary files],
1203 AC_DEFINE_UNQUOTED(VG_TMPDIR, "$tmpdir", [Temporary files directory])
1204 AC_SUBST(VG_TMPDIR, [$tmpdir])
1206 #----------------------------------------------------------------------------
1208 #----------------------------------------------------------------------------
1209 AM_COND_IF([VGCONF_OS_IS_DARWIN],
1210 [AC_CHECK_PROG([XCRUN], [xcrun], [yes], [no])
1211 AC_MSG_CHECKING([for xcode sdk include path])
1212 AC_ARG_WITH(xcodedir,
1213 [ --with-xcode-path=PATH Specify path for xcode sdk includes],
1214 [xcodedir="$withval"],
1216 if test "x$XCRUN" != "xno" -a ! -d /usr/include; then
1217 xcrundir=`xcrun --sdk macosx --show-sdk-path`
1218 if test -z "$xcrundir"; then
1219 xcodedir="/usr/include"
1221 xcodedir="$xcrundir/usr/include"
1224 xcodedir="/usr/include"
1227 AC_MSG_RESULT([$xcodedir])
1228 AC_DEFINE_UNQUOTED(XCODE_DIR, "$xcodedir", [xcode sdk include directory])
1229 AC_SUBST(XCODE_DIR, [$xcodedir])])
1231 #----------------------------------------------------------------------------
1232 # Where to install gdb scripts, defaults to VG_LIBDIR (pkglibexecdir)
1233 #----------------------------------------------------------------------------
1234 AC_MSG_CHECKING([where gdb scripts are installed])
1235 AC_ARG_WITH(gdbscripts-dir,
1236 [ --with-gdbscripts-dir=PATH Specify path to install gdb scripts],
1237 [gdbscriptsdir=${withval}],
1238 [gdbscriptsdir=${libexecdir}/valgrind])
1239 AC_MSG_RESULT([$gdbscriptsdir])
1240 if test "x$gdbscriptsdir" != "xno"; then
1241 AC_SUBST(VG_GDBSCRIPTS_DIR, [$gdbscriptsdir])
1242 AM_CONDITIONAL(GDBSCRIPTS, true)
1244 AC_SUBST(VG_GDBSCRIPTS_DIR, [])
1245 AM_CONDITIONAL(GDBSCRIPTS, false)
1248 #----------------------------------------------------------------------------
1249 # Libc and suppressions
1250 #----------------------------------------------------------------------------
1251 # This variable will collect the suppression files to be used.
1252 AC_SUBST(DEFAULT_SUPP)
1254 AC_CHECK_HEADER([features.h])
1256 if test x$ac_cv_header_features_h = xyes; then
1257 AC_DEFINE([HAVE_HEADER_FEATURES_H], 1,
1258 [Define to 1 if you have the `features.h' header.])
1259 rm -f conftest.$ac_ext
1260 cat <<_ACEOF >conftest.$ac_ext
1261 #include <features.h>
1262 #if defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__)
1263 glibc version is: __GLIBC__ __GLIBC_MINOR__
1266 GLIBC_VERSION="`$CPP -P conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
1269 # not really a version check
1270 AC_EGREP_CPP([DARWIN_LIBC], [
1271 #include <sys/cdefs.h>
1272 #if defined(__DARWIN_VERS_1050)
1276 GLIBC_VERSION="darwin")
1278 AC_EGREP_CPP([FREEBSD_LIBC], [
1279 #include <sys/cdefs.h>
1280 #if defined(__FreeBSD__)
1284 GLIBC_VERSION="freebsd")
1286 # not really a version check
1287 AC_EGREP_CPP([BIONIC_LIBC], [
1288 #if defined(__ANDROID__)
1292 GLIBC_VERSION="bionic")
1294 # there is only one version of libc on Solaris
1295 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS \
1296 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_SOLARIS; then
1297 GLIBC_VERSION="solaris"
1300 # GLIBC_VERSION is empty if a musl libc is used, so use the toolchain tuple
1302 if test x$GLIBC_VERSION = x; then
1303 if $CC -dumpmachine | grep -q musl; then
1308 # If this is glibc then figure out the generic (in file) libc.so and
1309 # libpthread.so file paths to use in suppressions. Before 2.34 libpthread
1310 # was a separate library, afterwards it was merged into libc.so and
1311 # the library is called libc.so.6 (before it was libc-2.[0-9]+.so).
1312 # Use this fact to set GLIBC_LIBC_PATH and GLIBC_LIBPTHREAD_PATH.
1313 case ${GLIBC_VERSION} in
1315 AC_MSG_CHECKING([whether pthread_create needs libpthread])
1316 AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_create])],
1319 GLIBC_LIBC_PATH="*/lib*/libc.so.6"
1320 GLIBC_LIBPTHREAD_PATH="$GLIBC_LIBC_PATH"
1322 AC_MSG_RESULT([yes])
1323 GLIBC_LIBC_PATH="*/lib*/libc-2.*so*"
1324 GLIBC_LIBPTHREAD_PATH="*/lib*/libpthread-2.*so*"
1328 AC_MSG_CHECKING([not glibc...])
1329 AC_MSG_RESULT([${GLIBC_VERSION}])
1333 AC_MSG_CHECKING([the glibc version])
1335 case "${GLIBC_VERSION}" in
1337 AC_MSG_RESULT(${GLIBC_VERSION} family)
1338 DEFAULT_SUPP="$srcdir/glibc-2.2.supp ${DEFAULT_SUPP}"
1339 DEFAULT_SUPP="$srcdir/glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
1340 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1343 AC_MSG_RESULT(${GLIBC_VERSION} family)
1344 DEFAULT_SUPP="$srcdir/glibc-${GLIBC_VERSION}.supp ${DEFAULT_SUPP}"
1345 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1346 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1349 AC_MSG_RESULT(${GLIBC_VERSION} family)
1350 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1351 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1352 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1355 AC_MSG_RESULT(${GLIBC_VERSION} family)
1356 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1357 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1358 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1359 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1360 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1363 AC_MSG_RESULT(${GLIBC_VERSION} family)
1364 AC_DEFINE([GLIBC_MANDATORY_STRLEN_REDIRECT], 1,
1365 [Define to 1 if strlen() has been optimized heavily (amd64 glibc >= 2.10)])
1366 AC_DEFINE([GLIBC_MANDATORY_INDEX_AND_STRLEN_REDIRECT], 1,
1367 [Define to 1 if index() and strlen() have been optimized heavily (x86 glibc >= 2.12)])
1368 DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
1369 DEFAULT_SUPP="glibc-2.X-helgrind.supp ${DEFAULT_SUPP}"
1370 DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
1373 AC_MSG_RESULT(Darwin)
1374 AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])
1375 # DEFAULT_SUPP set by kernel version check above.
1378 AC_MSG_RESULT(FreeBSD)
1379 AC_DEFINE([FREEBSD_LIBC], 1, [Define to 1 if you're using FreeBSD])
1380 # DEFAULT_SUPP set by kernel version check above.
1383 AC_MSG_RESULT(Bionic)
1384 AC_DEFINE([BIONIC_LIBC], 1, [Define to 1 if you're using Bionic])
1385 DEFAULT_SUPP="$srcdir/bionic.supp ${DEFAULT_SUPP}"
1388 AC_MSG_RESULT(Solaris)
1389 # DEFAULT_SUPP set in host_os switch-case above.
1390 # No other suppression file is used.
1394 AC_DEFINE([MUSL_LIBC], 1, [Define to 1 if you're using Musl libc])
1395 DEFAULT_SUPP="$srcdir/musl.supp ${DEFAULT_SUPP}"
1398 AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
1399 AC_MSG_ERROR([Valgrind requires glibc version 2.2 or later, uClibc,])
1400 AC_MSG_ERROR([musl libc, Darwin libc, Bionic libc or Solaris libc])
1404 AC_SUBST(GLIBC_VERSION)
1405 AC_SUBST(GLIBC_LIBC_PATH)
1406 AC_SUBST(GLIBC_LIBPTHREAD_PATH)
1409 if test "$VGCONF_OS" != "solaris"; then
1410 # Add default suppressions for the X client libraries. Make no
1411 # attempt to detect whether such libraries are installed on the
1412 # build machine (or even if any X facilities are present); just
1413 # add the suppressions antidisirregardless.
1414 DEFAULT_SUPP="$srcdir/xfree-4.supp ${DEFAULT_SUPP}"
1415 DEFAULT_SUPP="$srcdir/xfree-3.supp ${DEFAULT_SUPP}"
1419 #----------------------------------------------------------------------------
1420 # Platform variants?
1421 #----------------------------------------------------------------------------
1423 # Normally the PLAT = (ARCH, OS) characterisation of the platform is enough.
1424 # But there are times where we need a bit more control. The motivating
1425 # and currently only case is Android: this is almost identical to
1426 # {x86,arm,mips}-linux, but not quite. So this introduces the concept of
1427 # platform variant tags, which get passed in the compile as
1428 # -DVGPV_<arch>_<os>_<variant> along with the main -DVGP_<arch>_<os> definition.
1430 # In almost all cases, the <variant> bit is "vanilla". But for Android
1431 # it is "android" instead.
1433 # Consequently (eg), plain arm-linux would build with
1435 # -DVGP_arm_linux -DVGPV_arm_linux_vanilla
1437 # whilst an Android build would have
1439 # -DVGP_arm_linux -DVGPV_arm_linux_android
1441 # Same for x86. The setup of the platform variant is pushed relatively far
1442 # down this file in order that we can inspect any of the variables set above.
1444 # In the normal case ..
1445 VGCONF_PLATVARIANT="vanilla"
1448 if test "$GLIBC_VERSION" = "bionic";
1450 VGCONF_PLATVARIANT="android"
1453 AC_SUBST(VGCONF_PLATVARIANT)
1456 # FIXME: do we also want to define automake variables
1457 # VGCONF_PLATVARIANT_IS_<WHATEVER>, where WHATEVER is (currently)
1458 # VANILLA or ANDROID ? This would be in the style of VGCONF_ARCHS_INCLUDE,
1459 # VGCONF_PLATFORMS_INCLUDE and VGCONF_OS_IS above? Could easily enough
1460 # do that. Problem is that we can't do and-ing in Makefile.am's, but
1461 # that's what we'd need to do to use this, since what we'd want to write
1464 # VGCONF_PLATFORMS_INCLUDE_ARM_LINUX && VGCONF_PLATVARIANT_IS_ANDROID
1466 # Hmm. Can't think of a nice clean solution to this.
1468 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_VANILLA,
1469 test x$VGCONF_PLATVARIANT = xvanilla)
1470 AM_CONDITIONAL(VGCONF_PLATVARIANT_IS_ANDROID,
1471 test x$VGCONF_PLATVARIANT = xandroid)
1474 #----------------------------------------------------------------------------
1475 # Checking for various library functions and other definitions
1476 #----------------------------------------------------------------------------
1478 # Check for AT_FDCWD
1480 AC_MSG_CHECKING([for AT_FDCWD])
1481 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1488 ac_have_at_fdcwd=yes
1489 AC_MSG_RESULT([yes])
1495 AM_CONDITIONAL([HAVE_AT_FDCWD], [test x$ac_have_at_fdcwd = xyes])
1497 # Check for stpncpy function definition in string.h
1498 # This explicitly checks with _GNU_SOURCE defined since that is also
1499 # used in the test case (some systems might define it without anyway
1500 # since stpncpy is part of The Open Group Base Specifications Issue 7
1501 # IEEE Std 1003.1-2008.
1502 AC_MSG_CHECKING([for stpncpy])
1503 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1510 char *r = stpncpy(d, s, n);
1512 ac_have_gnu_stpncpy=yes
1513 AC_MSG_RESULT([yes])
1515 ac_have_gnu_stpncpy=no
1519 AM_CONDITIONAL([HAVE_GNU_STPNCPY], [test x$ac_have_gnu_stpncpy = xyes])
1521 # Check for PTRACE_GETREGS
1523 AC_MSG_CHECKING([for PTRACE_GETREGS])
1524 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1527 #include <sys/ptrace.h>
1528 #include <sys/user.h>
1531 long res = ptrace (PTRACE_GETREGS, 0, p, p);
1533 AC_MSG_RESULT([yes])
1534 AC_DEFINE([HAVE_PTRACE_GETREGS], 1,
1535 [Define to 1 if you have the `PTRACE_GETREGS' ptrace request.])
1541 # Check for CLOCK_MONOTONIC
1543 AC_MSG_CHECKING([for CLOCK_MONOTONIC])
1545 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1549 clock_gettime(CLOCK_MONOTONIC, &t);
1552 AC_MSG_RESULT([yes])
1553 AC_DEFINE([HAVE_CLOCK_MONOTONIC], 1,
1554 [Define to 1 if you have the `CLOCK_MONOTONIC' constant.])
1560 # Check for ELF32/64_CHDR
1562 AC_CHECK_TYPES([Elf32_Chdr, Elf64_Chdr], [], [], [[#include <elf.h>]])
1565 # Check for PTHREAD_RWLOCK_T
1567 AC_MSG_CHECKING([for pthread_rwlock_t])
1569 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1571 #include <pthread.h>
1573 pthread_rwlock_t rwl;
1575 AC_MSG_RESULT([yes])
1576 AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
1577 [Define to 1 if you have the `pthread_rwlock_t' type.])
1582 # Check for CLOCKID_T
1584 AC_MSG_CHECKING([for clockid_t])
1586 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1591 AC_MSG_RESULT([yes])
1592 AC_DEFINE([HAVE_CLOCKID_T], 1,
1593 [Define to 1 if you have the `clockid_t' type.])
1598 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
1600 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
1602 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1604 #include <pthread.h>
1606 return (PTHREAD_MUTEX_ADAPTIVE_NP);
1608 AC_MSG_RESULT([yes])
1609 AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
1610 [Define to 1 if you have the `PTHREAD_MUTEX_ADAPTIVE_NP' constant.])
1616 # Check for PTHREAD_MUTEX_ERRORCHECK_NP
1618 AC_MSG_CHECKING([for PTHREAD_MUTEX_ERRORCHECK_NP])
1620 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1622 #include <pthread.h>
1624 return (PTHREAD_MUTEX_ERRORCHECK_NP);
1626 AC_MSG_RESULT([yes])
1627 AC_DEFINE([HAVE_PTHREAD_MUTEX_ERRORCHECK_NP], 1,
1628 [Define to 1 if you have the `PTHREAD_MUTEX_ERRORCHECK_NP' constant.])
1634 # Check for PTHREAD_MUTEX_RECURSIVE_NP
1636 AC_MSG_CHECKING([for PTHREAD_MUTEX_RECURSIVE_NP])
1638 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1640 #include <pthread.h>
1642 return (PTHREAD_MUTEX_RECURSIVE_NP);
1644 AC_MSG_RESULT([yes])
1645 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1,
1646 [Define to 1 if you have the `PTHREAD_MUTEX_RECURSIVE_NP' constant.])
1652 # Check for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
1654 AC_MSG_CHECKING([for PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP])
1656 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1658 #include <pthread.h>
1660 pthread_mutex_t m = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
1663 AC_MSG_RESULT([yes])
1664 AC_DEFINE([HAVE_PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], 1,
1665 [Define to 1 if you have the `PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP' constant.])
1671 # Check whether pthread_mutex_t has a member called __m_kind.
1673 AC_CHECK_MEMBER([pthread_mutex_t.__m_kind],
1674 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__M_KIND],
1676 [Define to 1 if pthread_mutex_t has a member called __m_kind.])
1679 [#include <pthread.h>])
1682 # Check whether pthread_mutex_t has a member called __data.__kind.
1684 AC_CHECK_MEMBER([pthread_mutex_t.__data.__kind],
1685 [AC_DEFINE([HAVE_PTHREAD_MUTEX_T__DATA__KIND],
1687 [Define to 1 if pthread_mutex_t has a member __data.__kind.])
1690 [#include <pthread.h>])
1692 # Convenience function. Set flags based on the existing HWCAP entries.
1693 # The AT_HWCAP entries are generated by glibc, and are based on
1694 # functions supported by the hardware/system/libc.
1695 # Subsequent support for whether the capability will actually be utilized
1696 # will also be checked against the compiler capabilities.
1698 # AC_HWCAP_CONTAINS_FLAG[hwcap_string_to_match],[VARIABLE_TO_SET]
1699 AC_DEFUN([AC_HWCAP_CONTAINS_FLAG],[
1701 AC_MSG_CHECKING([if AT_HWCAP contains the $AUXV_CHECK_FOR indicator])
1702 if env LD_SHOW_AUXV=1 true | grep ^AT_HWCAP | grep -q -w ${AUXV_CHECK_FOR}
1704 AC_MSG_RESULT([yes])
1705 AC_SUBST([$2],[yes])
1712 # gather hardware capabilities. (hardware/kernel/libc)
1713 AC_HWCAP_CONTAINS_FLAG([altivec],[HWCAP_HAS_ALTIVEC])
1714 AC_HWCAP_CONTAINS_FLAG([vsx],[HWCAP_HAS_VSX])
1715 AC_HWCAP_CONTAINS_FLAG([dfp],[HWCAP_HAS_DFP])
1716 AC_HWCAP_CONTAINS_FLAG([arch_2_05],[HWCAP_HAS_ISA_2_05])
1717 AC_HWCAP_CONTAINS_FLAG([arch_2_06],[HWCAP_HAS_ISA_2_06])
1718 AC_HWCAP_CONTAINS_FLAG([arch_2_07],[HWCAP_HAS_ISA_2_07])
1719 AC_HWCAP_CONTAINS_FLAG([arch_3_00],[HWCAP_HAS_ISA_3_00])
1720 AC_HWCAP_CONTAINS_FLAG([arch_3_1],[HWCAP_HAS_ISA_3_1])
1721 AC_HWCAP_CONTAINS_FLAG([htm],[HWCAP_HAS_HTM])
1722 AC_HWCAP_CONTAINS_FLAG([mma],[HWCAP_HAS_MMA])
1725 AM_CONDITIONAL(HAS_ISA_2_05, [test x$HWCAP_HAS_ISA_2_05 = xyes])
1726 AM_CONDITIONAL(HAS_ISA_2_06, [test x$HWCAP_HAS_ISA_2_06 = xyes])
1727 # compiler support for isa 2.07 level instructions
1728 AC_MSG_CHECKING([that assembler knows ISA 2.07 instructions ])
1729 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1731 __asm__ __volatile__("mtvsrd 1,2 ");
1733 ac_asm_have_isa_2_07=yes
1734 AC_MSG_RESULT([yes])
1736 ac_asm_have_isa_2_07=no
1739 AM_CONDITIONAL(HAS_ISA_2_07, [test x$ac_asm_have_isa_2_07 = xyes \
1740 -a x$HWCAP_HAS_ISA_2_07 = xyes])
1742 # altivec (vsx) support.
1743 # does this compiler support -maltivec and does it have the include file
1745 AC_MSG_CHECKING([for Altivec support in the compiler ])
1747 CFLAGS="-maltivec -Werror"
1748 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1749 #include <altivec.h>
1751 vector unsigned int v;
1754 AC_MSG_RESULT([yes])
1760 AM_CONDITIONAL([HAS_ALTIVEC], [test x$ac_have_altivec = xyes \
1761 -a x$HWCAP_HAS_ALTIVEC = xyes])
1763 # Check that both: the compiler supports -mvsx and that the assembler
1764 # understands VSX instructions. If either of those doesn't work,
1765 # conclude that we can't do VSX.
1766 AC_MSG_CHECKING([for VSX compiler flag support])
1768 CFLAGS="-mvsx -Werror"
1769 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1772 ac_compiler_supports_vsx_flag=yes
1773 AC_MSG_RESULT([yes])
1775 ac_compiler_supports_vsx_flag=no
1780 AC_MSG_CHECKING([for VSX support in the assembler ])
1782 CFLAGS="-mvsx -Werror"
1783 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1784 #include <altivec.h>
1786 vector unsigned int v;
1787 __asm__ __volatile__("xsmaddadp 32, 32, 33" ::: "memory","cc");
1789 ac_compiler_supports_vsx=yes
1790 AC_MSG_RESULT([yes])
1792 ac_compiler_supports_vsx=no
1796 AM_CONDITIONAL([HAS_VSX], [test x$ac_compiler_supports_vsx_flag = xyes \
1797 -a x$ac_compiler_supports_vsx = xyes \
1798 -a x$HWCAP_HAS_VSX = xyes ])
1800 # DFP (Decimal Float)
1801 # The initial DFP support was added in Power 6. The dcffix instruction
1802 # support was added in Power 7.
1803 AC_MSG_CHECKING([that assembler knows DFP])
1804 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1807 __asm__ __volatile__("adtr 1, 2, 3")
1809 __asm__ __volatile__(".machine power7;\n" \
1815 AC_MSG_RESULT([yes])
1820 AC_MSG_CHECKING([that compiler knows -mhard-dfp switch])
1822 CFLAGS="-mhard-dfp -Werror"
1824 # The dcffix instruction is Power 7
1825 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1828 __asm__ __volatile__("adtr 1, 2, 3")
1830 __asm__ __volatile__(".machine power7;\n" \
1835 ac_compiler_have_dfp=yes
1836 AC_MSG_RESULT([yes])
1838 ac_compiler_have_dfp=no
1842 AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes \
1843 -a x$ac_compiler_have_dfp = xyes \
1844 -a x$HWCAP_HAS_DFP = xyes )
1846 AC_MSG_CHECKING([that compiler knows DFP datatypes])
1847 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1849 _Decimal64 x = 0.0DD;
1851 ac_compiler_have_dfp_type=yes
1852 AC_MSG_RESULT([yes])
1854 ac_compiler_have_dfp_type=no
1857 AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_compiler_have_dfp_type = xyes \
1858 -a x$HWCAP_HAS_DFP = xyes )
1861 # HTM (Hardware Transactional Memory)
1862 AC_MSG_CHECKING([if compiler accepts the -mhtm flag])
1864 CFLAGS="-mhtm -Werror"
1865 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1869 AC_MSG_RESULT([yes])
1870 ac_compiler_supports_htm=yes
1873 ac_compiler_supports_htm=no
1877 AC_MSG_CHECKING([if compiler can find the htm builtins])
1879 CFLAGS="-mhtm -Werror"
1880 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1882 if (__builtin_tbegin (0))
1885 AC_MSG_RESULT([yes])
1886 ac_compiler_sees_htm_builtins=yes
1889 ac_compiler_sees_htm_builtins=no
1893 AM_CONDITIONAL(SUPPORTS_HTM, test x$ac_compiler_supports_htm = xyes \
1894 -a x$ac_compiler_sees_htm_builtins = xyes \
1895 -a x$HWCAP_HAS_HTM = xyes )
1897 # isa 3.0 checking. (actually 3.0 or newer)
1898 AC_MSG_CHECKING([that assembler knows ISA 3.00 ])
1900 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1902 __asm__ __volatile__ (".machine power9;\n" \
1905 # guest_ppc_helpers.c needs the HAS_ISA_3_OO to enable copy, paste,
1908 CFLAGS="-DHAS_ISA_3_00"
1909 ac_asm_have_isa_3_00=yes
1910 AC_MSG_RESULT([yes])
1912 ac_asm_have_isa_3_00=no
1918 AC_MSG_CHECKING([that assembler knows xscvhpdp ])
1920 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1922 __asm__ __volatile__ (".machine power9;\n" \
1923 "xscvhpdp 1,2;\n" );
1925 ac_asm_have_xscvhpdp=yes
1926 AC_MSG_RESULT([yes])
1928 ac_asm_have_xscvhpdp=no
1932 # darn instruction checking
1933 AC_MSG_CHECKING([that assembler knows darn instruction ])
1935 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1937 __asm__ __volatile__(".machine power9; darn 1,0 ");
1939 ac_asm_have_darn_inst=yes
1940 AC_MSG_RESULT([yes])
1942 ac_asm_have_darn_inst=no
1947 AC_MSG_CHECKING([that assembler knows ISA 3.1 ])
1948 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1950 __asm__ __volatile__ (".machine power10;\n" \
1953 ac_asm_have_isa_3_1=yes
1954 AC_MSG_RESULT([yes])
1956 ac_asm_have_isa_3_1=no
1961 AM_CONDITIONAL(HAS_ISA_3_00, [test x$ac_asm_have_isa_3_00 = xyes \
1962 -a x$HWCAP_HAS_ISA_3_00 = xyes])
1964 AM_CONDITIONAL(HAS_XSCVHPDP, [test x$ac_asm_have_xscvhpdp = xyes])
1965 AM_CONDITIONAL(HAS_DARN, [test x$ac_asm_have_darn_inst = xyes])
1967 AM_CONDITIONAL(HAS_ISA_3_1, [test x$ac_asm_have_isa_3_1 = xyes \
1968 -a x$HWCAP_HAS_ISA_3_1 = xyes])
1970 # Check for pthread_create@GLIBC2.0
1971 AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])
1974 CFLAGS="-lpthread -Werror"
1975 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
1976 extern int pthread_create_glibc_2_0(void*, const void*,
1977 void *(*)(void*), void*);
1978 __asm__(".symver pthread_create_glibc_2_0, pthread_create@GLIBC_2.0");
1982 * Apparently on PowerPC linking this program succeeds and generates an
1983 * executable with the undefined symbol pthread_create@GLIBC_2.0.
1985 #error This test does not work properly on PowerPC.
1987 pthread_create_glibc_2_0(0, 0, 0, 0);
1991 ac_have_pthread_create_glibc_2_0=yes
1992 AC_MSG_RESULT([yes])
1993 AC_DEFINE([HAVE_PTHREAD_CREATE_GLIBC_2_0], 1,
1994 [Define to 1 if you have the `pthread_create@glibc2.0' function.])
1996 ac_have_pthread_create_glibc_2_0=no
2001 AM_CONDITIONAL(HAVE_PTHREAD_CREATE_GLIBC_2_0,
2002 test x$ac_have_pthread_create_glibc_2_0 = xyes)
2005 # Check for dlinfo RTLD_DI_TLS_MODID
2006 AC_MSG_CHECKING([for dlinfo RTLD_DI_TLS_MODID])
2010 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2017 size_t sizes[10000];
2018 size_t modid_offset;
2019 (void) dlinfo ((void*)sizes, RTLD_DI_TLS_MODID, &modid_offset);
2022 ac_have_dlinfo_rtld_di_tls_modid=yes
2023 AC_MSG_RESULT([yes])
2024 AC_DEFINE([HAVE_DLINFO_RTLD_DI_TLS_MODID], 1,
2025 [Define to 1 if you have a dlinfo that can do RTLD_DI_TLS_MODID.])
2027 ac_have_dlinfo_rtld_di_tls_modid=no
2032 AM_CONDITIONAL(HAVE_DLINFO_RTLD_DI_TLS_MODID,
2033 test x$ac_have_dlinfo_rtld_di_tls_modid = xyes)
2036 # Check for eventfd_t, eventfd() and eventfd_read()
2037 AC_MSG_CHECKING([for eventfd()])
2039 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2040 #include <sys/eventfd.h>
2046 eventfd_read(fd, &ev);
2049 AC_MSG_RESULT([yes])
2050 AC_DEFINE([HAVE_EVENTFD], 1,
2051 [Define to 1 if you have the `eventfd' function.])
2052 AC_DEFINE([HAVE_EVENTFD_READ], 1,
2053 [Define to 1 if you have the `eventfd_read' function.])
2058 # Check whether compiler can process #include <thread> without errors
2059 # clang 3.3 cannot process <thread> from e.g.
2060 # gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
2062 AC_MSG_CHECKING([that C++ compiler can compile C++17 code])
2064 safe_CXXFLAGS=$CXXFLAGS
2067 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2072 AC_MSG_RESULT([yes])
2077 CXXFLAGS=$safe_CXXFLAGS
2080 AM_CONDITIONAL(HAVE_CXX17, test x$ac_have_cxx_17 = xyes)
2082 AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
2084 safe_CXXFLAGS=$CXXFLAGS
2087 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2091 ac_cxx_can_include_thread_header=yes
2092 AC_MSG_RESULT([yes])
2094 ac_cxx_can_include_thread_header=no
2097 CXXFLAGS=$safe_CXXFLAGS
2100 AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
2102 # Check whether compiler can process #include <condition_variable> without errors
2104 AC_MSG_CHECKING([that C++ compiler can include <condition_variable> header file])
2106 safe_CXXFLAGS=$CXXFLAGS
2109 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2110 #include <condition_variable>
2113 ac_cxx_can_include_condition_variable_header=yes
2114 AC_MSG_RESULT([yes])
2116 ac_cxx_can_include_condition_variable_header=no
2119 CXXFLAGS=$safe_CXXFLAGS
2122 AM_CONDITIONAL(CXX_CAN_INCLUDE_CONDITION_VARIABLE_HEADER, test x$ac_cxx_can_include_condition_variable_header = xyes)
2124 # check for std::shared_timed_mutex, this is a C++ 14 feature
2126 AC_MSG_CHECKING([that C++ compiler can use std::shared_timed_mutex])
2128 safe_CXXFLAGS=$CXXFLAGS
2129 CXXFLAGS="-std=c++1y -pthread"
2131 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2132 #include <shared_mutex>
2133 std::shared_timed_mutex test_mutex;
2136 ac_cxx_can_use_shared_timed_mutex=yes
2137 AC_MSG_RESULT([yes])
2139 ac_cxx_can_use_shared_timed_mutex=no
2142 CXXFLAGS=$safe_CXXFLAGS
2145 AM_CONDITIONAL(CXX_CAN_USE_SHARED_TIMED_MUTEX, test x$ac_cxx_can_use_shared_timed_mutex = xyes)
2147 # check for std::shared_mutex, this is a C++ 11 feature
2149 AC_MSG_CHECKING([that C++ compiler can use std::timed_mutex])
2151 safe_CXXFLAGS=$CXXFLAGS
2152 CXXFLAGS="-std=c++0x -pthread"
2154 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2156 std::timed_mutex test_mutex;
2159 ac_cxx_can_use_timed_mutex=yes
2160 AC_MSG_RESULT([yes])
2162 ac_cxx_can_use_timed_mutex=no
2165 CXXFLAGS=$safe_CXXFLAGS
2168 AM_CONDITIONAL(CXX_CAN_USE_TIMED_MUTEX, test x$ac_cxx_can_use_timed_mutex = xyes)
2170 # On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
2171 # of the user_regs_struct from sys/user.h. They are structurally the same
2172 # but we get either one or the other.
2174 AC_CHECK_TYPE([struct user_regs_struct],
2175 [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
2176 [[#include <sys/ptrace.h>]
2177 [#include <sys/time.h>]
2178 [#include <sys/user.h>]])
2179 if test "$sys_user_has_user_regs" = "yes"; then
2180 AC_DEFINE(HAVE_SYS_USER_REGS, 1,
2181 [Define to 1 if <sys/user.h> defines struct user_regs_struct])
2184 AC_MSG_CHECKING([for __NR_membarrier])
2185 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2186 #include <linux/unistd.h>
2188 return __NR_membarrier
2190 ac_have_nr_membarrier=yes
2191 AC_MSG_RESULT([yes])
2193 ac_have_nr_membarrier=no
2197 AM_CONDITIONAL(HAVE_NR_MEMBARRIER, [test x$ac_have_nr_membarrier = xyes])
2199 #----------------------------------------------------------------------------
2200 # Checking for supported compiler flags.
2201 #----------------------------------------------------------------------------
2203 case "${host_cpu}" in
2205 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2206 if test -z "$ARCH"; then
2207 # does this compiler support -march=mips32 (mips32 default) ?
2208 AC_MSG_CHECKING([if gcc accepts -march=mips32 -mabi=32])
2211 CFLAGS="$CFLAGS -mips32 -mabi=32 -Werror"
2213 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2216 FLAG_M32="-mips32 -mabi=32"
2217 AC_MSG_RESULT([yes])
2227 # does this compiler support -march=mips64r2 (mips64r2 default) ?
2228 AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
2231 CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
2233 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2236 FLAG_M64="-march=mips64r2 -mabi=64"
2237 AC_MSG_RESULT([yes])
2250 # does this compiler support -m32 ?
2251 AC_MSG_CHECKING([if gcc accepts -m32])
2254 CFLAGS="${FLAG_32ON64} -m32 -Werror"
2256 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2259 FLAG_M32="${FLAG_32ON64} -m32"
2260 AC_MSG_RESULT([yes])
2270 # does this compiler support -m64 ?
2271 AC_MSG_CHECKING([if gcc accepts -m64])
2274 CFLAGS="-m64 -Werror"
2276 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2280 AC_MSG_RESULT([yes])
2292 ARCH=$(echo "$CFLAGS" | grep -E -e '-march=@<:@^ @:>@+' -e '\B-mips@<:@^ +@:>@')
2293 if test -z "$ARCH"; then
2294 # does this compiler support -march=octeon (Cavium OCTEON I Specific) ?
2295 AC_MSG_CHECKING([if gcc accepts -march=octeon])
2298 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon -Werror"
2300 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2303 FLAG_OCTEON="-march=octeon"
2304 AC_MSG_RESULT([yes])
2311 AC_SUBST(FLAG_OCTEON)
2314 # does this compiler support -march=octeon2 (Cavium OCTEON II Specific) ?
2315 AC_MSG_CHECKING([if gcc accepts -march=octeon2])
2318 CFLAGS="$CFLAGS $FLAG_M64 -march=octeon2 -Werror"
2320 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2323 FLAG_OCTEON2="-march=octeon2"
2324 AC_MSG_RESULT([yes])
2331 AC_SUBST(FLAG_OCTEON2)
2335 # does this compiler support -mmsa (MIPS MSA ASE) ?
2336 AC_MSG_CHECKING([if gcc accepts -mmsa])
2339 CFLAGS="$CFLAGS -mmsa -Werror"
2341 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2345 AC_MSG_RESULT([yes])
2354 # Are we compiling for the MIPS64 n32 ABI?
2355 AC_MSG_CHECKING([if gcc is producing mips n32 binaries])
2356 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2357 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABIN32))
2362 FLAG_M64="-march=mips64r2 -mabi=n32"
2363 AC_MSG_RESULT([yes])
2368 # Are we compiling for the MIPS64 n64 ABI?
2369 AC_MSG_CHECKING([if gcc is producing mips n64 binaries])
2370 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2371 #if !defined(_MIPS_SIM) || (defined(_MIPS_SIM) && (_MIPS_SIM != _ABI64))
2376 AC_MSG_RESULT([yes])
2381 # We enter the code block below in the following case:
2382 # Target architecture is set to mips64, the desired abi
2383 # was not specified and the compiler's default abi setting
2384 # is neither n32 nor n64.
2385 # Probe for and set the abi to either n64 or n32, in that order,
2386 # which is required for a mips64 build of valgrind.
2387 if test "$ARCH_MAX" = "mips64" -a "x$VGCONF_ABI" = "x"; then
2389 CFLAGS="$CFLAGS -mabi=64 -Werror"
2390 AC_MSG_CHECKING([if gcc is n64 capable])
2391 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2395 AC_MSG_RESULT([yes])
2401 if test "x$VGCONF_ABI" = "x"; then
2403 CFLAGS="$CFLAGS -mabi=n32 -Werror"
2404 AC_MSG_CHECKING([if gcc is n32 capable])
2405 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
2409 FLAG_M64="-march=mips64r2 -mabi=n32"
2410 AC_MSG_RESULT([yes])
2418 AM_CONDITIONAL([VGCONF_HAVE_ABI],
2419 [test x$VGCONF_ABI != x])
2420 AC_SUBST(VGCONF_ABI)
2423 # does this compiler support -mmmx ?
2424 AC_MSG_CHECKING([if gcc accepts -mmmx])
2427 CFLAGS="-mmmx -Werror"
2429 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2433 AC_MSG_RESULT([yes])
2443 # does this compiler support -msse ?
2444 AC_MSG_CHECKING([if gcc accepts -msse])
2447 CFLAGS="-msse -Werror"
2449 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2453 AC_MSG_RESULT([yes])
2463 # does this compiler support -mpreferred-stack-boundary=2 when
2464 # generating code for a 32-bit target? Note that we only care about
2465 # this when generating code for (32-bit) x86, so if the compiler
2466 # doesn't recognise -m32 it's no big deal. We'll just get code for
2467 # the Memcheck and other helper functions, that is a bit slower than
2468 # it could be, on x86; and no difference at all on any other platform.
2469 AC_MSG_CHECKING([if gcc accepts -mpreferred-stack-boundary=2 -m32])
2472 CFLAGS="-mpreferred-stack-boundary=2 -m32 -Werror"
2474 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2477 PREFERRED_STACK_BOUNDARY_2="-mpreferred-stack-boundary=2"
2478 AC_MSG_RESULT([yes])
2480 PREFERRED_STACK_BOUNDARY_2=""
2485 AC_SUBST(PREFERRED_STACK_BOUNDARY_2)
2488 # does this compiler support -mlong-double-128 ?
2489 AC_MSG_CHECKING([if gcc accepts -mlong-double-128])
2491 CFLAGS="-mlong-double-128 -Werror"
2492 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2495 ac_compiler_supports_mlong_double_128=yes
2496 AC_MSG_RESULT([yes])
2498 ac_compiler_supports_mlong_double_128=no
2502 AM_CONDITIONAL(HAS_MLONG_DOUBLE_128, test x$ac_compiler_supports_mlong_double_128 = xyes)
2503 FLAG_MLONG_DOUBLE_128="-mlong-double-128"
2504 AC_SUBST(FLAG_MLONG_DOUBLE_128)
2506 # does this toolchain support lto ?
2507 # Not checked for if --enable-lto=no was given, or if LTO_AR or LTO_RANLIG
2509 # If not enable-lto=* arg is provided, default to no, as lto builds are
2510 # a lot slower, and so not appropriate for Valgrind developments.
2511 # --enable-lto=yes should be used by distro packagers.
2512 AC_CACHE_CHECK([for using the link time optimisation], vg_cv_lto,
2514 [ --enable-lto enables building with link time optimisation],
2515 [vg_cv_lto=$enableval],
2518 if test "x${vg_cv_lto}" != "xno" -a "x${LTO_AR}" != "x" -a "x${LTO_RANLIB}" != "x"; then
2519 AC_MSG_CHECKING([if toolchain accepts lto])
2521 TEST_LTO_CFLAGS="-flto -flto-partition=one -fuse-linker-plugin"
2522 # Note : using 'one' partition is giving a slightly smaller/faster memcheck
2523 # and ld/lto-trans1 still needs a reasonable memory (about 0.5GB) when linking.
2524 CFLAGS="$TEST_LTO_CFLAGS -Werror"
2526 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2527 extern void somefun(void);
2531 LTO_CFLAGS=$TEST_LTO_CFLAGS
2532 AC_MSG_RESULT([yes])
2540 AC_SUBST(LTO_CFLAGS)
2542 # if we could not compile with lto args, or lto was disabled,
2543 # then set LTO_AR/LTO_RANLIB to the non lto values
2544 # define in config.h ENABLE_LTO (not needed by the code currently, but
2545 # this guarantees we recompile everything if we re-configure and rebuild
2546 # in a build dir previously build with another value of --enable-lto
2547 if test "x${LTO_CFLAGS}" = "x"; then
2549 LTO_RANLIB=${RANLIB}
2553 AC_DEFINE([ENABLE_LTO], 1, [configured to build with lto link time optimisation])
2556 # Convenience function to check whether GCC supports a particular
2557 # warning option. Takes two arguments,
2558 # first the warning flag name to check (without -W), then the
2559 # substitution name to set with -Wno-warning-flag if the flag exists,
2560 # or the empty string if the compiler doesn't accept the flag. Note
2561 # that checking is done against the warning flag itself, but the
2562 # substitution is then done to cancel the warning flag.
2563 AC_DEFUN([AC_GCC_WARNING_SUBST_NO],[
2564 AC_MSG_CHECKING([if gcc accepts -W$1])
2566 CFLAGS="-W$1 -Werror"
2567 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2568 AC_SUBST([$2], [-Wno-$1])
2569 AC_MSG_RESULT([yes])], [
2571 AC_MSG_RESULT([no])])
2575 # A variation of the above for arguments that
2577 AC_DEFUN([AC_GCC_WARNING_SUBST_NO_VAL],[
2578 AC_MSG_CHECKING([if gcc accepts -W$1=$2])
2580 CFLAGS="-W$1=$2 -Werror"
2581 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2582 AC_SUBST([$3], [-Wno-$1])
2583 AC_MSG_RESULT([yes])], [
2585 AC_MSG_RESULT([no])])
2589 # Convenience function. Like AC_GCC_WARNING_SUBST_NO, except it substitutes
2590 # -W$1 (instead of -Wno-$1).
2591 AC_DEFUN([AC_GCC_WARNING_SUBST],[
2592 AC_MSG_CHECKING([if gcc accepts -W$1])
2594 CFLAGS="-W$1 -Werror"
2595 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2596 AC_SUBST([$2], [-W$1])
2597 AC_MSG_RESULT([yes])], [
2599 AC_MSG_RESULT([no])])
2603 AC_GCC_WARNING_SUBST_NO([memset-transposed-args], [FLAG_W_NO_MEMSET_TRANSPOSED_ARGS])
2604 AC_GCC_WARNING_SUBST_NO([nonnull], [FLAG_W_NO_NONNULL])
2605 AC_GCC_WARNING_SUBST_NO([overflow], [FLAG_W_NO_OVERFLOW])
2606 AC_GCC_WARNING_SUBST_NO([pointer-sign], [FLAG_W_NO_POINTER_SIGN])
2607 AC_GCC_WARNING_SUBST_NO([uninitialized], [FLAG_W_NO_UNINITIALIZED])
2608 AC_GCC_WARNING_SUBST_NO([maybe-uninitialized], [FLAG_W_NO_MAYBE_UNINITIALIZED])
2609 AC_GCC_WARNING_SUBST_NO([unused-function], [FLAG_W_NO_UNUSED_FUNCTION])
2610 AC_GCC_WARNING_SUBST_NO([static-local-in-inline], [FLAG_W_NO_STATIC_LOCAL_IN_INLINE])
2611 AC_GCC_WARNING_SUBST_NO([mismatched-new-delete], [FLAG_W_NO_MISMATCHED_NEW_DELETE])
2612 AC_GCC_WARNING_SUBST_NO([infinite-recursion], [FLAG_W_NO_INFINITE_RECURSION])
2613 AC_GCC_WARNING_SUBST_NO([expansion-to-defined], [FLAG_W_NO_EXPANSION_TO_DEFINED])
2614 AC_GCC_WARNING_SUBST_NO([unused-variable], [FLAG_W_NO_UNUSED_VARIABLE])
2615 AC_GCC_WARNING_SUBST_NO([unused-but-set-variable], [FLAG_W_NO_UNUSED_BUT_SET_VARIABLE])
2616 AC_GCC_WARNING_SUBST_NO([non-power-of-two-alignment], [FLAG_W_NO_NON_POWER_OF_TWO_ALIGNMENT])
2617 AC_GCC_WARNING_SUBST_NO([sign-compare], [FLAG_W_NO_SIGN_COMPARE])
2618 AC_GCC_WARNING_SUBST_NO([stringop-overflow], [FLAG_W_NO_STRINGOP_OVERFLOW])
2619 AC_GCC_WARNING_SUBST_NO([stringop-overread], [FLAG_W_NO_STRINGOP_OVERREAD])
2620 AC_GCC_WARNING_SUBST_NO([stringop-truncation], [FLAG_W_NO_STRINGOP_TRUNCATION])
2621 AC_GCC_WARNING_SUBST_NO([format-overflow], [FLAG_W_NO_FORMAT_OVERFLOW])
2622 AC_GCC_WARNING_SUBST_NO([use-after-free], [FLAG_W_NO_USE_AFTER_FREE])
2623 AC_GCC_WARNING_SUBST_NO([free-nonheap-object], [FLAG_W_NO_FREE_NONHEAP_OBJECT])
2624 AC_GCC_WARNING_SUBST_NO([fortify-source], [FLAG_W_NO_FORTIFY_SOURCE])
2625 AC_GCC_WARNING_SUBST_NO([builtin-memcpy-chk-size], [FLAG_W_NO_BUILTIN_MEMCPY_CHK_SIZE])
2626 AC_GCC_WARNING_SUBST_NO([incompatible-pointer-types-discards-qualifiers], [FLAG_W_NO_INCOMPATIBLE_POINTER_TYPES_DISCARDS_QUALIFIERS])
2627 AC_GCC_WARNING_SUBST_NO([suspicious-bzero], [FLAG_W_NO_SUSPICIOUS_BZERO])
2628 AC_GCC_WARNING_SUBST_NO([attributes], [FLAG_W_NO_ATTRIBUTES])
2630 AC_GCC_WARNING_SUBST_NO_VAL([alloc-size-larger-than], [1677216], [FLAG_W_NO_ALLOC_SIZE_LARGER_THAN])
2632 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
2633 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])
2634 AC_GCC_WARNING_SUBST([format], [FLAG_W_FORMAT])
2635 AC_GCC_WARNING_SUBST([format-signedness], [FLAG_W_FORMAT_SIGNEDNESS])
2636 AC_GCC_WARNING_SUBST([cast-qual], [FLAG_W_CAST_QUAL])
2637 AC_GCC_WARNING_SUBST([old-style-declaration], [FLAG_W_OLD_STYLE_DECLARATION])
2638 AC_GCC_WARNING_SUBST([ignored-qualifiers], [FLAG_W_IGNORED_QUALIFIERS])
2639 AC_GCC_WARNING_SUBST([missing-parameter-type], [FLAG_W_MISSING_PARAMETER_TYPE])
2640 AC_GCC_WARNING_SUBST([logical-op], [FLAG_W_LOGICAL_OP])
2641 AC_GCC_WARNING_SUBST([enum-conversion], [FLAG_W_ENUM_CONVERSION])
2642 AC_GCC_WARNING_SUBST([implicit-fallthrough=2], [FLAG_W_IMPLICIT_FALLTHROUGH])
2644 # Does this compiler support -Wformat-security ?
2645 # Special handling is needed, because certain GCC versions require -Wformat
2646 # being present if -Wformat-security is given. Otherwise a warning is issued.
2647 # However, AC_GCC_WARNING_SUBST will stick in -Werror (see r15323 for rationale).
2648 # And with that the warning will be turned into an error with the result
2649 # that -Wformat-security is believed to be unsupported when in fact it is.
2650 AC_MSG_CHECKING([if gcc accepts -Wformat-security])
2652 CFLAGS="-Wformat -Wformat-security -Werror"
2653 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[;]])], [
2654 AC_SUBST([FLAG_W_FORMAT_SECURITY], [-Wformat-security])
2655 AC_MSG_RESULT([yes])], [
2656 AC_SUBST([FLAG_W_FORMAT_SECURITY], [])
2657 AC_MSG_RESULT([no])])
2660 # does this compiler support -Wextra or the older -W ?
2662 AC_MSG_CHECKING([if gcc accepts -Wextra or -W])
2665 CFLAGS="-Wextra -Werror"
2667 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2670 AC_SUBST([FLAG_W_EXTRA], [-Wextra])
2671 AC_MSG_RESULT([-Wextra])
2674 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2677 AC_SUBST([FLAG_W_EXTRA], [-W])
2680 AC_SUBST([FLAG_W_EXTRA], [])
2681 AC_MSG_RESULT([not supported])
2686 # On ARM we do not want to pass -Wcast-align as that produces loads
2687 # of warnings. GCC is just being conservative. See here:
2688 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65459#c4
2689 if test "X$VGCONF_ARCH_PRI" = "Xarm"; then
2690 AC_SUBST([FLAG_W_CAST_ALIGN], [""])
2692 AC_SUBST([FLAG_W_CAST_ALIGN], [-Wcast-align])
2695 # does this compiler support -faligned-new ?
2696 AC_MSG_CHECKING([if g++ accepts -faligned-new])
2698 safe_CXXFLAGS=$CXXFLAGS
2699 CXXFLAGS="-faligned-new -Werror"
2702 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2705 FLAG_FALIGNED_NEW="-faligned-new"
2706 AC_MSG_RESULT([yes])
2708 FLAG_FALIGNED_NEW=""
2711 CXXFLAGS=$safe_CXXFLAGS
2714 AC_SUBST(FLAG_FALIGNED_NEW)
2716 # does this compiler support -fsized-deallocation ?
2717 AC_MSG_CHECKING([if g++ accepts -fsized-deallocation])
2719 safe_CXXFLAGS=$CXXFLAGS
2720 CXXFLAGS="-fsized-deallocation -Werror"
2723 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2726 FLAG_FSIZED_DEALLOCATION="-fsized-deallocation"
2727 ac_have_sized_deallocation=yes
2728 AC_MSG_RESULT([yes])
2730 FLAG_FSIZED_DEALLOCATION=""
2731 ac_have_sized_deallocation=no
2734 CXXFLAGS=$safe_CXXFLAGS
2737 AC_SUBST(FLAG_FSIZED_DEALLOCATION)
2738 AM_CONDITIONAL([HAVE_FSIZED_DEALLOCATION], [test x$ac_have_sized_deallocation = xyes])
2740 # does this compiler support C++17 aligned new/delete?
2741 AC_MSG_CHECKING([if g++ supports aligned new and delete])
2743 safe_CXXFLAGS=$CXXFLAGS
2744 CXXFLAGS="-std=c++17"
2747 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2751 operator delete(nullptr, std::align_val_t(64U));
2753 ac_have_aligned_cxx_alloc=yes
2754 AC_MSG_RESULT([yes])
2756 ac_have_aligned_cxx_alloc=no
2759 CXXFLAGS=$safe_CXXFLAGS
2762 AM_CONDITIONAL([HAVE_ALIGNED_CXX_ALLOC], [test x$ac_have_aligned_cxx_alloc = xyes])
2764 # does this compiler support -fno-stack-protector ?
2765 AC_MSG_CHECKING([if gcc accepts -fno-stack-protector])
2768 CFLAGS="-fno-stack-protector -Werror"
2770 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2773 no_stack_protector=yes
2774 FLAG_FNO_STACK_PROTECTOR="-fno-stack-protector"
2775 AC_MSG_RESULT([yes])
2777 no_stack_protector=no
2778 FLAG_FNO_STACK_PROTECTOR=""
2783 AC_SUBST(FLAG_FNO_STACK_PROTECTOR)
2785 # does this compiler support -finline-functions ?
2786 AC_MSG_CHECKING([if gcc accepts -finline-functions])
2789 CFLAGS="-finline-functions -Werror"
2791 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2794 inline_functions=yes
2795 FLAG_FINLINE_FUNCTIONS="-finline-functions"
2796 AC_MSG_RESULT([yes])
2799 FLAG_FINLINE_FUNCTIONS=""
2804 AC_SUBST(FLAG_FINLINE_FUNCTIONS)
2806 # Does GCC support disabling Identical Code Folding?
2807 # We want to disabled Identical Code Folding for the
2808 # tools preload shared objects to get better backraces.
2809 # For GCC 5.1+ -fipa-icf is enabled by default at -O2.
2810 # "The optimization reduces code size and may disturb
2811 # unwind stacks by replacing a function by equivalent
2812 # one with a different name."
2813 AC_MSG_CHECKING([if gcc accepts -fno-ipa-icf])
2816 CFLAGS="-fno-ipa-icf -Werror"
2818 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2822 FLAG_FNO_IPA_ICF="-fno-ipa-icf"
2823 AC_MSG_RESULT([yes])
2831 AC_SUBST(FLAG_FNO_IPA_ICF)
2834 # Does this compiler support -fsanitize=undefined. This is true for
2835 # GCC 4.9 and newer. However, the undefined behaviour sanitiser in GCC 5.1
2836 # also checks for alignment violations on memory accesses which the valgrind
2837 # code base is sprinkled (if not littered) with. As those alignment issues
2838 # don't pose a problem we want to suppress warnings about them.
2839 # In GCC 5.1 this can be done by passing -fno-sanitize=alignment. Earlier
2840 # GCCs do not support that.
2842 # Only checked for if --enable-ubsan was given.
2843 if test "x${vg_cv_ubsan}" = "xyes"; then
2844 AC_MSG_CHECKING([if gcc accepts -fsanitize=undefined -fno-sanitize=alignment])
2846 CFLAGS="-fsanitize=undefined -fno-sanitize=alignment -Werror"
2847 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2850 FLAG_FSANITIZE="-fsanitize=undefined -fno-sanitize=alignment"
2851 LIB_UBSAN="-static-libubsan"
2852 AC_MSG_RESULT([yes])
2854 CFLAGS="-fsanitize=undefined -Werror"
2855 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2858 FLAG_FSANITIZE="-fsanitize=undefined"
2859 LIB_UBSAN="-static-libubsan"
2860 AC_MSG_RESULT([yes])
2868 AC_SUBST(FLAG_FSANITIZE)
2871 # does this compiler support --param inline-unit-growth=... ?
2873 AC_MSG_CHECKING([if gcc accepts --param inline-unit-growth])
2876 CFLAGS="--param inline-unit-growth=900 -Werror"
2878 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2881 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH],
2882 ["--param inline-unit-growth=900"])
2883 AC_MSG_RESULT([yes])
2885 AC_SUBST([FLAG_UNLIMITED_INLINE_UNIT_GROWTH], [""])
2891 # does this compiler support -gdwarf-4 -fdebug-types-section ?
2893 AC_MSG_CHECKING([if gcc accepts -gdwarf-4 -fdebug-types-section])
2896 CFLAGS="-gdwarf-4 -fdebug-types-section -Werror"
2898 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2902 AC_MSG_RESULT([yes])
2907 AM_CONDITIONAL(DWARF4, test x$ac_have_dwarf4 = xyes)
2911 # does this compiler support -g -gz=zlib ?
2913 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib])
2916 CFLAGS="-g -gz=zlib"
2918 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2922 AC_MSG_RESULT([yes])
2927 AM_CONDITIONAL(GZ_ZLIB, test x$ac_have_gz_zlib = xyes)
2931 # does this compiler support -g -gz=zlib-gnu ?
2933 AC_MSG_CHECKING([if gcc accepts -g -gz=zlib-gnu])
2936 CFLAGS="-g -gz=zlib-gnu"
2938 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2941 ac_have_gz_zlib_gnu=yes
2942 AC_MSG_RESULT([yes])
2944 ac_have_gz_zlib_gnu=no
2947 AM_CONDITIONAL(GZ_ZLIB_GNU, test x$ac_have_gz_zlib_gnu = xyes)
2951 # does this compiler support nested functions ?
2953 AC_MSG_CHECKING([if gcc accepts nested functions])
2955 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2956 int foo() { return 1; }
2959 ac_have_nested_functions=yes
2960 AC_MSG_RESULT([yes])
2962 ac_have_nested_functions=no
2965 AM_CONDITIONAL([HAVE_NESTED_FUNCTIONS], [test x$ac_have_nested_functions = xyes])
2968 # does this compiler support the 'p' constraint in ASM statements ?
2970 AC_MSG_CHECKING([if gcc accepts the 'p' constraint in asm statements])
2972 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
2974 __asm__ __volatile__ ("movdqa (%0),%%xmm6\n" : "=p" (p));
2976 ac_have_asm_constraint_p=yes
2977 AC_MSG_RESULT([yes])
2979 ac_have_asm_constraint_p=no
2982 AM_CONDITIONAL([HAVE_ASM_CONSTRAINT_P], [test x$ac_have_asm_constraint_p = xyes])
2985 # Does this compiler and linker support -pie?
2986 # Some compilers actually do not support -pie and report its usage
2987 # as an error. We need to check if it is safe to use it first.
2989 AC_MSG_CHECKING([if gcc accepts -pie])
2994 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
2997 AC_SUBST([FLAG_PIE], ["-pie"])
2998 AC_MSG_RESULT([yes])
3000 AC_SUBST([FLAG_PIE], [""])
3005 AC_MSG_CHECKING([if gcc accepts -ansi])
3010 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3014 AC_MSG_RESULT([yes])
3019 AM_CONDITIONAL([HAVE_ANSI], [test x$ac_have_ansi = xyes])
3024 # Does this compiler support -no-pie?
3025 # On Ubuntu 16.10+, gcc produces position independent executables (PIE) by
3026 # default. However this gets in the way with some tests, we use -no-pie
3029 AC_MSG_CHECKING([if gcc accepts -no-pie])
3032 CFLAGS="-no-pie -Werror"
3034 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
3037 AC_SUBST([FLAG_NO_PIE], ["-no-pie"])
3038 AC_MSG_RESULT([yes])
3040 AC_SUBST([FLAG_NO_PIE], [""])
3046 # We want to use use the -Ttext-segment option to the linker.
3047 # GNU (bfd) ld supports this directly. Newer GNU gold linkers
3048 # support it as an alias of -Ttext. Sadly GNU (bfd) ld's -Ttext
3049 # semantics are NOT what we want (GNU gold -Ttext is fine).
3051 # For GNU (bfd) ld -Ttext-segment chooses the base at which ELF headers
3052 # will reside. -Ttext aligns just the .text section start (but not any
3055 # LLVM ld.lld 10.0 changed the semantics of its -Ttext. See "Breaking changes"
3056 # in https://releases.llvm.org/10.0.0/tools/lld/docs/ReleaseNotes.html
3057 # The --image-base option (since version 6.0?) provides the semantics needed.
3058 # -Ttext-segment generates an error, but -Ttext now more closely
3059 # follows the GNU (bfd) ld's -Ttext.
3061 # So test first for --image-base support, and if that fails then
3062 # for -Ttext-segment which is supported by all bfd ld versions
3063 # and use that if it exists. If it doesn't exist it must be an older
3064 # version of gold and we can fall back to using -Ttext which has the
3068 AC_MSG_CHECKING([if the linker accepts -Wl,--image-base])
3070 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,--image-base=$valt_load_address_pri_norml -Werror"
3073 [AC_LANG_SOURCE([int _start () { return 0; }])],
3075 linker_using_t_text="no"
3076 AC_SUBST([FLAG_T_TEXT], ["--image-base"])
3077 AC_MSG_RESULT([yes])
3081 AC_MSG_CHECKING([if the linker accepts -Wl,-Ttext-segment])
3083 CFLAGS="-static -nodefaultlibs -nostartfiles -Wl,-Ttext-segment=$valt_load_address_pri_norml -Werror"
3086 [AC_LANG_SOURCE([int _start () { return 0; }])],
3088 linker_using_t_text="no"
3089 AC_SUBST([FLAG_T_TEXT], ["-Ttext-segment"])
3090 AC_MSG_RESULT([yes])
3092 linker_using_t_text="yes"
3093 AC_SUBST([FLAG_T_TEXT], ["-Ttext"])
3100 # If the linker only supports -Ttext (not -Ttext-segment or --image-base) then we will
3101 # have to strip any build-id ELF NOTEs from the statically linked tools.
3102 # Otherwise the build-id NOTE might end up at the default load address.
3103 # (Pedantically if the linker is gold then -Ttext is fine, but newer
3104 # gold versions also support -Ttext-segment. So just assume that unless
3105 # we can use -Ttext-segment we need to strip the build-id NOTEs.
3106 if test "x${linker_using_t_text}" = "xyes"; then
3107 AC_MSG_NOTICE([ld -Ttext used, need to strip build-id NOTEs.])
3108 # does the linker support -Wl,--build-id=none ? Note, it's
3109 # important that we test indirectly via whichever C compiler
3110 # is selected, rather than testing /usr/bin/ld or whatever
3112 AC_MSG_CHECKING([if the linker accepts -Wl,--build-id=none])
3114 CFLAGS="-Wl,--build-id=none -Werror"
3117 [AC_LANG_PROGRAM([ ], [return 0;])],
3119 AC_SUBST([FLAG_NO_BUILD_ID], ["-Wl,--build-id=none"])
3120 AC_MSG_RESULT([yes])
3122 AC_SUBST([FLAG_NO_BUILD_ID], [""])
3126 AC_MSG_NOTICE([ld --image-base or -Ttext-segment used, no need to strip build-id NOTEs.])
3127 AC_SUBST([FLAG_NO_BUILD_ID], [""])
3131 # On s390x, if the linker supports -Wl,--s390-pgste, then we build the
3132 # tools with that flag. This enables running programs that need it, such
3134 if test x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX; then
3135 AC_MSG_CHECKING([if the linker accepts -Wl,--s390-pgste])
3137 CFLAGS="-Wl,--s390-pgste"
3140 [AC_LANG_PROGRAM([ ], [return 0;])],
3142 AC_SUBST([FLAG_S390_PGSTE], ["-Wl,--s390-pgste"])
3143 AC_MSG_RESULT([yes])
3145 AC_SUBST([FLAG_S390_PGSTE], [""])
3151 # does the ppc assembler support "mtocrf" et al?
3152 AC_MSG_CHECKING([if ppc32/64 as supports mtocrf/mfocrf])
3154 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3155 __asm__ __volatile__("mtocrf 4,0");
3156 __asm__ __volatile__("mfocrf 0,4");
3158 ac_have_as_ppc_mftocrf=yes
3159 AC_MSG_RESULT([yes])
3161 ac_have_as_ppc_mftocrf=no
3164 if test x$ac_have_as_ppc_mftocrf = xyes ; then
3165 AC_DEFINE(HAVE_AS_PPC_MFTOCRF, 1, [Define to 1 if as supports mtocrf/mfocrf.])
3169 # does the ppc assembler support "lfdp" and other phased out floating point insns?
3170 AC_MSG_CHECKING([if ppc32/64 asm supports phased out floating point instructions])
3172 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3173 do { typedef struct {
3177 dbl_pair_t dbl_pair[3];
3178 __asm__ volatile ("lfdp 10, %0"::"m" (dbl_pair[0]));
3181 ac_have_as_ppc_fpPO=yes
3182 AC_MSG_RESULT([yes])
3184 ac_have_as_ppc_fpPO=no
3187 if test x$ac_have_as_ppc_fpPO = xyes ; then
3188 AC_DEFINE(HAVE_AS_PPC_FPPO, 1, [Define to 1 if as supports floating point phased out category.])
3192 # does the amd64 assembler understand "fxsave64" and "fxrstor64"?
3193 AC_MSG_CHECKING([if amd64 assembler supports fxsave64/fxrstor64])
3195 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3197 asm __volatile__("fxsave64 (%0)" : : "r" (p) : "memory" );
3198 asm __volatile__("fxrstor64 (%0)" : : "r" (p) : "memory" );
3200 ac_have_as_amd64_fxsave64=yes
3201 AC_MSG_RESULT([yes])
3203 ac_have_as_amd64_fxsave64=no
3206 if test x$ac_have_as_amd64_fxsave64 = xyes ; then
3207 AC_DEFINE(HAVE_AS_AMD64_FXSAVE64, 1, [Define to 1 if as supports fxsave64/fxrstor64.])
3210 # does the x86/amd64 assembler understand SSE3 instructions?
3211 # Note, this doesn't generate a C-level symbol. It generates a
3212 # automake-level symbol (BUILD_SSE3_TESTS), used in test Makefile.am's
3213 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE3])
3215 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3216 do { long long int x;
3217 __asm__ __volatile__("fisttpq (%0)" : :"r"(&x) ); }
3221 AC_MSG_RESULT([yes])
3227 AM_CONDITIONAL(BUILD_SSE3_TESTS, test x$ac_have_as_sse3 = xyes)
3230 # Ditto for SSSE3 instructions (note extra S)
3231 # Note, this doesn't generate a C-level symbol. It generates a
3232 # automake-level symbol (BUILD_SSSE3_TESTS), used in test Makefile.am's
3233 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSSE3])
3235 save_CFLAGS="$CFLAGS"
3236 CFLAGS="$CFLAGS -msse -Werror"
3237 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3238 do { long long int x;
3239 __asm__ __volatile__(
3240 "pabsb (%0),%%xmm7" : : "r"(&x) : "xmm7" ); }
3243 ac_have_as_ssse3=yes
3244 AC_MSG_RESULT([yes])
3249 CFLAGS="$save_CFLAGS"
3251 AM_CONDITIONAL(BUILD_SSSE3_TESTS, test x$ac_have_as_ssse3 = xyes)
3254 # does the x86/amd64 assembler understand the PCLMULQDQ instruction?
3255 # Note, this doesn't generate a C-level symbol. It generates a
3256 # automake-level symbol (BUILD_PCLMULQDQ_TESTS), used in test Makefile.am's
3257 AC_MSG_CHECKING([if x86/amd64 assembler supports 'pclmulqdq'])
3258 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3260 __asm__ __volatile__(
3261 "pclmulqdq \$17,%%xmm6,%%xmm7" : : : "xmm6", "xmm7" ); }
3264 ac_have_as_pclmulqdq=yes
3265 AC_MSG_RESULT([yes])
3267 ac_have_as_pclmulqdq=no
3271 AM_CONDITIONAL(BUILD_PCLMULQDQ_TESTS, test x$ac_have_as_pclmulqdq = xyes)
3274 # does the x86/amd64 assembler understand the VPCLMULQDQ instruction?
3275 # Note, this doesn't generate a C-level symbol. It generates a
3276 # automake-level symbol (BUILD_VPCLMULQDQ_TESTS), used in test Makefile.am's
3277 AC_MSG_CHECKING([if x86/amd64 assembler supports 'vpclmulqdq'])
3278 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3281 * Carry-less multiplication of xmm1 with xmm2 and store the result in
3282 * xmm3. The immediate is used to determine which quadwords of xmm1 and
3283 * xmm2 should be used.
3285 __asm__ __volatile__(
3286 "vpclmulqdq \$0,%%xmm1,%%xmm2,%%xmm3" : : : );
3289 ac_have_as_vpclmulqdq=yes
3290 AC_MSG_RESULT([yes])
3292 ac_have_as_vpclmulqdq=no
3296 AM_CONDITIONAL(BUILD_VPCLMULQDQ_TESTS, test x$ac_have_as_vpclmulqdq = xyes)
3299 # does the x86/amd64 assembler understand FMA4 instructions?
3300 # Note, this doesn't generate a C-level symbol. It generates a
3301 # automake-level symbol (BUILD_AFM4_TESTS), used in test Makefile.am's
3302 AC_MSG_CHECKING([if x86/amd64 assembler supports FMA4 'vfmaddpd'])
3303 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3305 __asm__ __volatile__(
3306 "vfmaddpd %%xmm7,%%xmm8,%%xmm6,%%xmm9" : : : );
3309 ac_have_as_vfmaddpd=yes
3310 AC_MSG_RESULT([yes])
3312 ac_have_as_vfmaddpd=no
3316 AM_CONDITIONAL(BUILD_FMA4_TESTS, test x$ac_have_as_vfmaddpd = xyes)
3319 # does the x86/amd64 assembler understand the LZCNT instruction?
3320 # Note, this doesn't generate a C-level symbol. It generates a
3321 # automake-level symbol (BUILD_LZCNT_TESTS), used in test Makefile.am's
3322 AC_MSG_CHECKING([if x86/amd64 assembler supports 'lzcnt'])
3324 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3326 __asm__ __volatile__("lzcnt %%rax,%%rax" : : : "rax");
3329 ac_have_as_lzcnt=yes
3330 AC_MSG_RESULT([yes])
3336 AM_CONDITIONAL([BUILD_LZCNT_TESTS], [test x$ac_have_as_lzcnt = xyes])
3339 # does the x86/amd64 assembler understand the LOOPNEL instruction?
3340 # Note, this doesn't generate a C-level symbol. It generates a
3341 # automake-level symbol (BUILD_LOOPNEL_TESTS), used in test Makefile.am's
3342 AC_MSG_CHECKING([if x86/amd64 assembler supports 'loopnel'])
3344 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3346 __asm__ __volatile__("1: loopnel 1b\n");
3349 ac_have_as_loopnel=yes
3350 AC_MSG_RESULT([yes])
3352 ac_have_as_loopnel=no
3356 AM_CONDITIONAL([BUILD_LOOPNEL_TESTS], [test x$ac_have_as_loopnel = xyes])
3359 # does the x86/amd64 assembler understand ADDR32 ?
3360 # Note, this doesn't generate a C-level symbol. It generates a
3361 # automake-level symbol (BUILD_ADDR32_TESTS), used in test Makefile.am's
3362 AC_MSG_CHECKING([if x86/amd64 assembler supports 'addr32'])
3364 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3366 asm volatile ("addr32 rep movsb");
3369 ac_have_as_addr32=yes
3370 AC_MSG_RESULT([yes])
3372 ac_have_as_addr32=no
3376 AM_CONDITIONAL([BUILD_ADDR32_TESTS], [test x$ac_have_as_addr32 = xyes])
3379 # does the x86/amd64 assembler understand SSE 4.2 instructions?
3380 # Note, this doesn't generate a C-level symbol. It generates a
3381 # automake-level symbol (BUILD_SSE42_TESTS), used in test Makefile.am's
3382 AC_MSG_CHECKING([if x86/amd64 assembler speaks SSE4.2])
3384 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3385 do { long long int x;
3386 __asm__ __volatile__(
3387 "crc32q %%r15,%%r15" : : : "r15" );
3388 __asm__ __volatile__(
3389 "pblendvb (%%rcx), %%xmm11" : : : "memory", "xmm11");
3390 __asm__ __volatile__(
3391 "aesdec %%xmm2, %%xmm1" : : : "xmm2", "xmm1"); }
3394 ac_have_as_sse42=yes
3395 AC_MSG_RESULT([yes])
3401 AM_CONDITIONAL(BUILD_SSE42_TESTS, test x$ac_have_as_sse42 = xyes)
3404 # does the x86/amd64 assembler understand AVX instructions?
3405 # Note, this doesn't generate a C-level symbol. It generates a
3406 # automake-level symbol (BUILD_AVX_TESTS), used in test Makefile.am's
3407 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX])
3409 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3410 do { long long int x;
3411 __asm__ __volatile__(
3412 "vmovupd (%%rsp), %%ymm7" : : : "xmm7" );
3413 __asm__ __volatile__(
3414 "vaddpd %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3418 AC_MSG_RESULT([yes])
3424 AM_CONDITIONAL(BUILD_AVX_TESTS, test x$ac_have_as_avx = xyes)
3427 # does the x86/amd64 assembler understand AVX2 instructions?
3428 # Note, this doesn't generate a C-level symbol. It generates a
3429 # automake-level symbol (BUILD_AVX2_TESTS), used in test Makefile.am's
3430 AC_MSG_CHECKING([if x86/amd64 assembler speaks AVX2])
3432 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3433 do { long long int x;
3434 __asm__ __volatile__(
3435 "vpsravd (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3436 __asm__ __volatile__(
3437 "vpaddb %%ymm6,%%ymm7,%%ymm8" : : : "xmm6","xmm7","xmm8"); }
3441 AC_MSG_RESULT([yes])
3447 AM_CONDITIONAL(BUILD_AVX2_TESTS, test x$ac_have_as_avx2 = xyes)
3450 # does the x86/amd64 assembler understand TSX instructions and
3451 # the XACQUIRE/XRELEASE prefixes?
3452 # Note, this doesn't generate a C-level symbol. It generates a
3453 # automake-level symbol (BUILD_TSX_TESTS), used in test Makefile.am's
3454 AC_MSG_CHECKING([if x86/amd64 assembler speaks TSX])
3456 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3458 __asm__ __volatile__(
3461 " xacquire lock incq 0(%rsp) \n\t"
3462 " xrelease lock incq 0(%rsp) \n"
3467 AC_MSG_RESULT([yes])
3473 AM_CONDITIONAL(BUILD_TSX_TESTS, test x$ac_have_as_tsx = xyes)
3476 # does the x86/amd64 assembler understand BMI1 and BMI2 instructions?
3477 # Note, this doesn't generate a C-level symbol. It generates a
3478 # automake-level symbol (BUILD_BMI_TESTS), used in test Makefile.am's
3479 AC_MSG_CHECKING([if x86/amd64 assembler speaks BMI1 and BMI2])
3481 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3482 do { unsigned int h, l;
3483 __asm__ __volatile__( "mulx %rax,%rcx,%r8" );
3484 __asm__ __volatile__(
3485 "andn %2, %1, %0" : "=r" (h) : "r" (0x1234567), "r" (0x7654321) );
3486 __asm__ __volatile__(
3487 "movl %2, %%edx; mulx %3, %1, %0" : "=r" (h), "=r" (l) : "g" (0x1234567), "rm" (0x7654321) : "edx" ); }
3491 AC_MSG_RESULT([yes])
3497 AM_CONDITIONAL(BUILD_BMI_TESTS, test x$ac_have_as_bmi = xyes)
3500 # does the x86/amd64 assembler understand FMA instructions?
3501 # Note, this doesn't generate a C-level symbol. It generates a
3502 # automake-level symbol (BUILD_FMA_TESTS), used in test Makefile.am's
3503 AC_MSG_CHECKING([if x86/amd64 assembler speaks FMA])
3505 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3506 do { unsigned int h, l;
3507 __asm__ __volatile__(
3508 "vfmadd132ps (%%rsp), %%ymm8, %%ymm7" : : : "xmm7", "xmm8" );
3509 __asm__ __volatile__(
3510 "vfnmsub231sd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" );
3511 __asm__ __volatile__(
3512 "vfmsubadd213pd (%%rsp), %%xmm8, %%xmm7" : : : "xmm7", "xmm8" ); }
3516 AC_MSG_RESULT([yes])
3522 AM_CONDITIONAL(BUILD_FMA_TESTS, test x$ac_have_as_fma = xyes)
3525 # does the amd64 assembler understand MPX instructions?
3526 # Note, this doesn't generate a C-level symbol. It generates a
3527 # automake-level symbol (BUILD_MPX_TESTS), used in test Makefile.am's
3528 AC_MSG_CHECKING([if amd64 assembler knows the MPX instructions])
3530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3532 asm ("bndmov %bnd0,(%rsp)");
3533 asm ("bndldx 3(%rbx,%rdx), %bnd2");
3534 asm ("bnd call foo\n"
3541 AC_MSG_RESULT([yes])
3547 AM_CONDITIONAL(BUILD_MPX_TESTS, test x$ac_have_as_mpx = xyes)
3550 # does the amd64 assembler understand ADX instructions?
3551 # Note, this doesn't generate a C-level symbol. It generates a
3552 # automake-level symbol (BUILD_ADX_TESTS), used in test Makefile.am's
3553 AC_MSG_CHECKING([if amd64 assembler knows the ADX instructions])
3555 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3557 asm ("adcxq %r14,%r8");
3561 AC_MSG_RESULT([yes])
3567 AM_CONDITIONAL(BUILD_ADX_TESTS, test x$ac_have_as_adx = xyes)
3570 # does the amd64 assembler understand the RDRAND instruction?
3571 # Note, this doesn't generate a C-level symbol. It generates a
3572 # automake-level symbol (BUILD_RDRAND_TESTS), used in test Makefile.am's
3573 AC_MSG_CHECKING([if amd64 assembler knows the RDRAND instruction])
3575 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3577 asm ("rdrand %r14");
3578 asm ("rdrand %r14d");
3579 asm ("rdrand %r14w");
3582 ac_have_as_rdrand=yes
3583 AC_MSG_RESULT([yes])
3585 ac_have_as_rdrand=no
3589 AM_CONDITIONAL(BUILD_RDRAND_TESTS, test x$ac_have_as_rdrand = xyes)
3591 # does the amd64 assembler understand the RDSEED instruction?
3592 # Note, this doesn't generate a C-level symbol. It generates a
3593 # automake-level symbol (BUILD_RDSEED_TESTS), used in test Makefile.am's
3594 AC_MSG_CHECKING([if amd64 assembler knows the RDSEED instruction])
3596 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3598 asm ("rdseed %r14");
3599 asm ("rdseed %r14d");
3600 asm ("rdseed %r14w");
3603 ac_have_as_rdseed=yes
3604 AC_MSG_RESULT([yes])
3606 ac_have_as_rdseed=no
3610 AM_CONDITIONAL(BUILD_RDSEED_TESTS, test x$ac_have_as_rdseed = xyes)
3612 # does the amd64 assembler understand the F16C instructions (VCVTPH2PS and
3614 # Note, this doesn't generate a C-level symbol. It generates a
3615 # automake-level symbol (BUILD_F16C_TESTS), used in test Makefile.am's
3616 AC_MSG_CHECKING([if amd64 assembler knows the F16C instructions])
3618 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3620 asm ("vcvtph2ps %xmm5, %ymm10");
3621 // If we put the dollar sign and zero together, the shell processing
3622 // this configure.ac script substitutes the command name in. Sigh.
3623 asm ("vcvtps2ph $" "0, %ymm10, %xmm5");
3627 AC_MSG_RESULT([yes])
3633 AM_CONDITIONAL(BUILD_F16C_TESTS, test x$ac_have_as_f16c = xyes)
3636 # does the x86/amd64 assembler understand MOVBE?
3637 # Note, this doesn't generate a C-level symbol. It generates a
3638 # automake-level symbol (BUILD_MOVBE_TESTS), used in test Makefile.am's
3639 AC_MSG_CHECKING([if x86/amd64 assembler knows the MOVBE insn])
3641 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3642 do { long long int x;
3643 __asm__ __volatile__(
3644 "movbe (%%rsp), %%r15" : : : "memory", "r15" ); }
3647 ac_have_as_movbe=yes
3648 AC_MSG_RESULT([yes])
3654 AM_CONDITIONAL(BUILD_MOVBE_TESTS, test x$ac_have_as_movbe = xyes)
3657 # Does the C compiler support the "ifunc" attribute
3658 # Note, this doesn't generate a C-level symbol. It generates a
3659 # automake-level symbol (BUILD_IFUNC_TESTS), used in test Makefile.am's
3660 AC_MSG_CHECKING([if gcc supports the ifunc attribute])
3662 AC_LINK_IFELSE([AC_LANG_SOURCE([[
3663 static void mytest(void) {}
3665 static void (*resolve_test(void))(void)
3667 return (void (*)(void))&mytest;
3670 void test(void) __attribute__((ifunc("resolve_test")));
3678 ac_have_ifunc_attr=yes
3679 AC_MSG_RESULT([yes])
3681 ac_have_ifunc_attr=no
3685 AM_CONDITIONAL(BUILD_IFUNC_TESTS, test x$ac_have_ifunc_attr = xyes)
3687 # Does the C compiler support the armv8 crc feature flag
3688 # Note, this doesn't generate a C-level symbol. It generates a
3689 # automake-level symbol (BUILD_ARMV8_CRC_TESTS), used in test Makefile.am's
3690 AC_MSG_CHECKING([if gcc supports the armv8 crc feature flag])
3692 save_CFLAGS="$CFLAGS"
3693 CFLAGS="$CFLAGS -march=armv8-a+crc -Werror"
3694 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3700 ac_have_armv8_crc_feature=yes
3701 AC_MSG_RESULT([yes])
3703 ac_have_armv8_crc_feature=no
3706 CFLAGS="$save_CFLAGS"
3708 AM_CONDITIONAL(BUILD_ARMV8_CRC_TESTS, test x$ac_have_armv8_crc_feature = xyes)
3711 # Does the C compiler support the armv81 flag and the assembler v8.1 instructions
3712 # Note, this doesn't generate a C-level symbol. It generates a
3713 # automake-level symbol (BUILD_ARMV81_TESTS), used in test Makefile.am's
3714 AC_MSG_CHECKING([if gcc supports the armv81 feature flag and assembler supports v8.1 instructions])
3716 save_CFLAGS="$CFLAGS"
3717 CFLAGS="$CFLAGS -march=armv8.1-a -Werror"
3718 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3721 __asm__ __volatile__("ldadd x0, x1, [x2]" ::: "memory");
3725 ac_have_armv81_feature=yes
3726 AC_MSG_RESULT([yes])
3728 ac_have_armv81_feature=no
3731 CFLAGS="$save_CFLAGS"
3733 AM_CONDITIONAL(BUILD_ARMV81_TESTS, test x$ac_have_armv81_feature = xyes)
3736 # Does the C compiler support the armv82 flag and the assembler v8.2 instructions
3737 # Note, this doesn't generate a C-level symbol. It generates a
3738 # automake-level symbol (BUILD_ARMV82_TESTS), used in test Makefile.am's
3739 AC_MSG_CHECKING([if gcc supports the armv82 feature flag and assembler supports v8.2 instructions])
3741 save_CFLAGS="$CFLAGS"
3742 CFLAGS="$CFLAGS -march=armv8.2-a+fp16 -Werror"
3743 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3746 __asm__ __volatile__("faddp h0, v1.2h");
3750 ac_have_armv82_feature=yes
3751 AC_MSG_RESULT([yes])
3753 ac_have_armv82_feature=no
3756 CFLAGS="$save_CFLAGS"
3758 AM_CONDITIONAL(BUILD_ARMV82_TESTS, test x$ac_have_armv82_feature = xyes)
3761 # Does the C compiler support the armv82-a+dotprod flag and assembler dotprod instructions
3762 # Note, this doesn't generate a C-level symbol. It generates a
3763 # automake-level symbol (BUILD_ARMV82_DOTPROD_TESTS), used in test Makefile.am's
3764 AC_MSG_CHECKING([if gcc supports the armv82-a+dotprod feature flag and assembler supports dotprod instructions])
3766 save_CFLAGS="$CFLAGS"
3767 CFLAGS="$CFLAGS -march=armv8.2-a+dotprod -Werror"
3768 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
3771 __asm__ __volatile__("sdot v1.4s, v2.16b, v3.16b");
3775 ac_have_armv82_dotprod_feature=yes
3776 AC_MSG_RESULT([yes])
3778 ac_have_armv82_dotprod_feature=no
3781 CFLAGS="$save_CFLAGS"
3783 AM_CONDITIONAL(BUILD_ARMV82_DOTPROD_TESTS, test x$ac_have_armv82_dotprod_feature = xyes)
3786 # XXX JRS 2010 Oct 13: what is this for? For sure, we don't need this
3787 # when building the tool executables. I think we should get rid of it.
3789 # Check for TLS support in the compiler and linker
3790 AC_LINK_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3792 [vg_cv_linktime_tls=yes],
3793 [vg_cv_linktime_tls=no])
3794 # Native compilation: check whether running a program using TLS succeeds.
3795 # Linking only is not sufficient -- e.g. on Red Hat 7.3 linking TLS programs
3796 # succeeds but running programs using TLS fails.
3797 # Cross-compiling: check whether linking a program using TLS succeeds.
3798 AC_CACHE_CHECK([for TLS support], vg_cv_tls,
3799 [AC_ARG_ENABLE(tls, [ --enable-tls platform supports TLS],
3800 [vg_cv_tls=$enableval],
3801 [AC_RUN_IFELSE([AC_LANG_PROGRAM([[static __thread int foo;]],
3805 [vg_cv_tls=$vg_cv_linktime_tls])])])
3807 if test "$vg_cv_tls" = yes -a $is_clang != applellvm; then
3808 AC_DEFINE([HAVE_TLS], 1, [can use __thread to define thread-local variables])
3812 #----------------------------------------------------------------------------
3813 # Solaris-specific checks.
3814 #----------------------------------------------------------------------------
3816 if test "$VGCONF_OS" = "solaris" ; then
3817 AC_CHECK_HEADERS([sys/lgrp_user_impl.h])
3819 # Solaris-specific check determining if the Sun Studio Assembler is used to
3820 # build Valgrind. The test checks if the x86/amd64 assembler understands the
3821 # cmovl.l instruction, if yes then it's Sun Assembler.
3823 # C-level symbol: none
3824 # Automake-level symbol: SOLARIS_SUN_STUDIO_AS
3826 AC_MSG_CHECKING([if x86/amd64 assembler speaks cmovl.l (Solaris-specific)])
3827 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3829 __asm__ __volatile__("cmovl.l %edx, %eax");
3831 solaris_have_sun_studio_as=yes
3832 AC_MSG_RESULT([yes])
3834 solaris_have_sun_studio_as=no
3837 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, test x$solaris_have_sun_studio_as = xyes)
3839 # Solaris-specific check determining if symbols __xpg4 and __xpg6
3840 # are present in linked shared libraries when gcc is invoked with -std=gnu99.
3841 # See solaris/vgpreload-solaris.mapfile for details.
3842 # gcc on older Solaris instructs linker to include these symbols,
3843 # gcc on illumos and newer Solaris does not.
3845 # C-level symbol: none
3846 # Automake-level symbol: SOLARIS_XPG_SYMBOLS_PRESENT
3848 save_CFLAGS="$CFLAGS"
3849 CFLAGS="$CFLAGS -std=gnu99"
3850 AC_MSG_CHECKING([if xpg symbols are present with -std=gnu99 (Solaris-specific)])
3851 temp_dir=$( /usr/bin/mktemp -d )
3852 cat <<_ACEOF >${temp_dir}/mylib.c
3854 int myfunc(void) { printf("LaPutyka\n"); }
3856 ${CC} ${CFLAGS} -fpic -shared -o ${temp_dir}/mylib.so ${temp_dir}/mylib.c
3857 xpg_present=$( /usr/bin/nm ${temp_dir}/mylib.so | ${EGREP} '(__xpg4|__xpg6)' )
3858 if test "x${xpg_present}" = "x" ; then
3859 solaris_xpg_symbols_present=no
3862 solaris_xpg_symbols_present=yes
3863 AC_MSG_RESULT([yes])
3866 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, test x$solaris_xpg_symbols_present = xyes)
3867 CFLAGS="$save_CFLAGS"
3870 # Solaris-specific check determining if gcc enables largefile support by
3871 # default for 32-bit executables. If it does, then set SOLARIS_UNDEF_LARGESOURCE
3872 # variable with gcc flags which disable it.
3874 AC_MSG_CHECKING([if gcc enables largefile support for 32-bit apps (Solaris-specific)])
3875 save_CFLAGS="$CFLAGS"
3876 CFLAGS="$CFLAGS -m32"
3877 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
3878 return _LARGEFILE_SOURCE;
3880 SOLARIS_UNDEF_LARGESOURCE="-U_LARGEFILE_SOURCE -U_LARGEFILE64_SOURCE -U_FILE_OFFSET_BITS"
3881 AC_MSG_RESULT([yes])
3883 SOLARIS_UNDEF_LARGESOURCE=""
3887 AC_SUBST(SOLARIS_UNDEF_LARGESOURCE)
3890 # Solaris-specific check determining if /proc/self/cmdline
3891 # or /proc/<pid>/cmdline is supported.
3893 # C-level symbol: SOLARIS_PROC_CMDLINE
3894 # Automake-level symbol: SOLARIS_PROC_CMDLINE
3896 AC_CHECK_FILE([/proc/self/cmdline],
3898 solaris_proc_cmdline=yes
3899 AC_DEFINE([SOLARIS_PROC_CMDLINE], 1,
3900 [Define to 1 if you have /proc/self/cmdline.])
3902 solaris_proc_cmdline=no
3904 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, test x$solaris_proc_cmdline = xyes)
3907 # Solaris-specific check determining default platform for the Valgrind launcher.
3908 # Used in case the launcher cannot select platform by looking at the client
3909 # image (for example because the executable is a shell script).
3911 # C-level symbol: SOLARIS_LAUNCHER_DEFAULT_PLATFORM
3912 # Automake-level symbol: none
3914 AC_MSG_CHECKING([for default platform of Valgrind launcher (Solaris-specific)])
3915 # Get the ELF class of /bin/sh first.
3916 if ! test -f /bin/sh; then
3917 AC_MSG_ERROR([Shell interpreter `/bin/sh' not found.])
3919 elf_class=$( /usr/bin/file /bin/sh | sed -n 's/.*ELF \(..\)-bit.*/\1/p' )
3920 case "$elf_class" in
3922 default_arch="$VGCONF_ARCH_PRI";
3925 if test "x$VGCONF_ARCH_SEC" != "x"; then
3926 default_arch="$VGCONF_ARCH_SEC"
3928 default_arch="$VGCONF_ARCH_PRI";
3932 AC_MSG_ERROR([Cannot determine ELF class of `/bin/sh'.])
3935 default_platform="$default_arch-$VGCONF_OS"
3936 AC_MSG_RESULT([$default_platform])
3937 AC_DEFINE_UNQUOTED([SOLARIS_LAUNCHER_DEFAULT_PLATFORM], ["$default_platform"],
3938 [Default platform for Valgrind launcher.])
3941 # Solaris-specific check determining if the old syscalls are available.
3943 # C-level symbol: SOLARIS_OLD_SYSCALLS
3944 # Automake-level symbol: SOLARIS_OLD_SYSCALLS
3946 AC_MSG_CHECKING([for the old Solaris syscalls (Solaris-specific)])
3947 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3948 #include <sys/syscall.h>
3952 solaris_old_syscalls=yes
3953 AC_MSG_RESULT([yes])
3954 AC_DEFINE([SOLARIS_OLD_SYSCALLS], 1,
3955 [Define to 1 if you have the old Solaris syscalls.])
3957 solaris_old_syscalls=no
3960 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, test x$solaris_old_syscalls = xyes)
3963 # Solaris-specific check determining if the new accept() syscall is available.
3966 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3969 # New syscall (available on illumos):
3970 # int accept(int sock, struct sockaddr *name, socklen_t *namelenp,
3971 # int version, int flags);
3973 # If the old syscall is present then the following syscall will fail with
3974 # ENOTSOCK (because file descriptor 0 is not a socket), if the new syscall is
3975 # available then it will fail with EINVAL (because the flags parameter is
3978 # C-level symbol: SOLARIS_NEW_ACCEPT_SYSCALL
3979 # Automake-level symbol: none
3981 AC_MSG_CHECKING([for the new `accept' syscall (Solaris-specific)])
3982 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
3983 #include <sys/syscall.h>
3987 syscall(SYS_accept, 0, 0, 0, 0, -1);
3988 return !(errno == EINVAL);
3990 AC_MSG_RESULT([yes])
3991 AC_DEFINE([SOLARIS_NEW_ACCEPT_SYSCALL], 1,
3992 [Define to 1 if you have the new `accept' syscall.])
3998 # Solaris-specific check determining if the new illumos pipe() syscall is
4002 # longlong_t pipe();
4004 # New syscall (available on illumos):
4005 # int pipe(intptr_t arg, int flags);
4007 # If the old syscall is present then the following call will succeed, if the
4008 # new syscall is available then it will fail with EFAULT (because address 0
4009 # cannot be accessed).
4011 # C-level symbol: SOLARIS_NEW_PIPE_SYSCALL
4012 # Automake-level symbol: none
4014 AC_MSG_CHECKING([for the new `pipe' syscall (Solaris-specific)])
4015 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4016 #include <sys/syscall.h>
4020 syscall(SYS_pipe, 0, 0);
4021 return !(errno == EFAULT);
4023 AC_MSG_RESULT([yes])
4024 AC_DEFINE([SOLARIS_NEW_PIPE_SYSCALL], 1,
4025 [Define to 1 if you have the new `pipe' syscall.])
4031 # Solaris-specific check determining if the new lwp_sigqueue() syscall is
4035 # int lwp_kill(id_t lwpid, int sig);
4037 # New syscall (available on Solaris 11):
4038 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
4039 # int si_code, timespec_t *timeout);
4041 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
4042 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL
4044 AC_MSG_CHECKING([for the new `lwp_sigqueue' syscall (Solaris-specific)])
4045 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4046 #include <sys/syscall.h>
4048 return !SYS_lwp_sigqueue;
4050 solaris_lwp_sigqueue_syscall=yes
4051 AC_MSG_RESULT([yes])
4052 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL], 1,
4053 [Define to 1 if you have the new `lwp_sigqueue' syscall.])
4055 solaris_lwp_sigqueue_syscall=no
4058 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, test x$solaris_lwp_sigqueue_syscall = xyes)
4061 # Solaris-specific check determining if the lwp_sigqueue() syscall
4062 # takes both pid and thread id arguments or just thread id.
4064 # Old syscall (available up to Solaris 11.3):
4065 # int lwp_sigqueue(id_t lwpid, int sig, void *value,
4066 # int si_code, timespec_t *timeout);
4068 # New syscall (available since Solaris 11.4):
4069 # int lwp_sigqueue(pid_t pid, id_t lwpid, int sig, void *value,
4070 # int si_code, timespec_t *timeout);
4072 # If the old syscall is present then the following syscall will fail with
4073 # EINVAL (because signal is out of range); if the new syscall is available
4074 # then it will fail with ESRCH (because it would not find such thread in the
4077 # C-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
4078 # Automake-level symbol: SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID
4080 AM_COND_IF(SOLARIS_LWP_SIGQUEUE_SYSCALL,
4081 AC_MSG_CHECKING([if the `lwp_sigqueue' syscall accepts pid (Solaris-specific)])
4082 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4083 #include <sys/syscall.h>
4087 syscall(SYS_lwp_sigqueue, 0, 101, 0, 0, 0, 0);
4088 return !(errno == ESRCH);
4090 solaris_lwp_sigqueue_syscall_takes_pid=yes
4091 AC_MSG_RESULT([yes])
4092 AC_DEFINE([SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID], 1,
4093 [Define to 1 if you have the new `lwp_sigqueue' syscall which accepts pid.])
4095 solaris_lwp_sigqueue_syscall_takes_pid=no
4098 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID,
4099 test x$solaris_lwp_sigqueue_syscall_takes_pid = xyes)
4101 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, test x = y)
4105 # Solaris-specific check determining if the new lwp_name() syscall is
4108 # New syscall (available on Solaris 11):
4109 # int lwp_name(int opcode, id_t lwpid, char *name, size_t len);
4111 # C-level symbol: SOLARIS_LWP_NAME_SYSCALL
4112 # Automake-level symbol: SOLARIS_LWP_NAME_SYSCALL
4114 AC_MSG_CHECKING([for the new `lwp_name' syscall (Solaris-specific)])
4115 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4116 #include <sys/syscall.h>
4118 return !SYS_lwp_name;
4120 solaris_lwp_name_syscall=yes
4121 AC_MSG_RESULT([yes])
4122 AC_DEFINE([SOLARIS_LWP_NAME_SYSCALL], 1,
4123 [Define to 1 if you have the new `lwp_name' syscall.])
4125 solaris_lwp_name_syscall=no
4128 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, test x$solaris_lwp_name_syscall = xyes)
4131 # Solaris-specific check determining if the new getrandom() syscall is
4134 # New syscall (available on Solaris 11):
4135 # int getrandom(void *buf, size_t buflen, uint_t flags);
4137 # C-level symbol: SOLARIS_GETRANDOM_SYSCALL
4138 # Automake-level symbol: SOLARIS_GETRANDOM_SYSCALL
4140 AC_MSG_CHECKING([for the new `getrandom' syscall (Solaris-specific)])
4141 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4142 #include <sys/syscall.h>
4144 return !SYS_getrandom;
4146 solaris_getrandom_syscall=yes
4147 AC_MSG_RESULT([yes])
4148 AC_DEFINE([SOLARIS_GETRANDOM_SYSCALL], 1,
4149 [Define to 1 if you have the new `getrandom' syscall.])
4151 solaris_getrandom_syscall=no
4154 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, test x$solaris_getrandom_syscall = xyes)
4157 # Solaris-specific check determining if the new zone() syscall subcodes
4158 # ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT are available. These subcodes
4159 # were added in Solaris 11 but are missing on illumos.
4161 # C-level symbol: SOLARIS_ZONE_DEFUNCT
4162 # Automake-level symbol: SOLARIS_ZONE_DEFUNCT
4164 AC_MSG_CHECKING([for ZONE_LIST_DEFUNCT and ZONE_GETATTR_DEFUNCT (Solaris-specific)])
4165 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4166 #include <sys/zone.h>
4168 return !(ZONE_LIST_DEFUNCT && ZONE_GETATTR_DEFUNCT);
4170 solaris_zone_defunct=yes
4171 AC_MSG_RESULT([yes])
4172 AC_DEFINE([SOLARIS_ZONE_DEFUNCT], 1,
4173 [Define to 1 if you have the `ZONE_LIST_DEFUNCT' and `ZONE_GETATTR_DEFUNC' constants.])
4175 solaris_zone_defunct=no
4178 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, test x$solaris_zone_defunct = xyes)
4181 # Solaris-specific check determining if commands A_GETSTAT and A_SETSTAT
4182 # for auditon(2) subcode of the auditsys() syscall are available.
4183 # These commands are available in Solaris 11 and illumos but were removed
4186 # C-level symbol: SOLARIS_AUDITON_STAT
4187 # Automake-level symbol: SOLARIS_AUDITON_STAT
4189 AC_MSG_CHECKING([for A_GETSTAT and A_SETSTAT auditon(2) commands (Solaris-specific)])
4190 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4191 #include <bsm/audit.h>
4193 return !(A_GETSTAT && A_SETSTAT);
4195 solaris_auditon_stat=yes
4196 AC_MSG_RESULT([yes])
4197 AC_DEFINE([SOLARIS_AUDITON_STAT], 1,
4198 [Define to 1 if you have the `A_GETSTAT' and `A_SETSTAT' constants.])
4200 solaris_auditon_stat=no
4203 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, test x$solaris_auditon_stat = xyes)
4206 # Solaris-specific check determining if the new shmsys() syscall subcodes
4207 # IPC_XSTAT64, SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM are available.
4208 # These subcodes were added in Solaris 11 but are missing on illumos.
4210 # C-level symbol: SOLARIS_SHM_NEW
4211 # Automake-level symbol: SOLARIS_SHM_NEW
4213 AC_MSG_CHECKING([for SHMADV, SHM_ADV_GET, SHM_ADV_SET and SHMGET_OSM (Solaris-specific)])
4214 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4215 #include <sys/ipc_impl.h>
4216 #include <sys/shm.h>
4217 #include <sys/shm_impl.h>
4219 return !(IPC_XSTAT64 && SHMADV && SHM_ADV_GET && SHM_ADV_SET && SHMGET_OSM);
4222 AC_MSG_RESULT([yes])
4223 AC_DEFINE([SOLARIS_SHM_NEW], 1,
4224 [Define to 1 if you have the `IPC_XSTAT64', `SHMADV', `SHM_ADV_GET', `SHM_ADV_SET' and `SHMGET_OSM' constants.])
4229 AM_CONDITIONAL(SOLARIS_SHM_NEW, test x$solaris_shm_new = xyes)
4232 # Solaris-specific check determining if prxregset_t is available. Illumos
4233 # currently does not define it on the x86 platform.
4235 # C-level symbol: SOLARIS_PRXREGSET_T
4236 # Automake-level symbol: SOLARIS_PRXREGSET_T
4238 AC_MSG_CHECKING([for the `prxregset_t' type (Solaris-specific)])
4239 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4240 #include <sys/procfs_isa.h>
4242 return !sizeof(prxregset_t);
4244 solaris_prxregset_t=yes
4245 AC_MSG_RESULT([yes])
4246 AC_DEFINE([SOLARIS_PRXREGSET_T], 1,
4247 [Define to 1 if you have the `prxregset_t' type.])
4249 solaris_prxregset_t=no
4252 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, test x$solaris_prxregset_t = xyes)
4255 # Solaris-specific check determining if the new frealpathat() syscall is
4258 # New syscall (available on Solaris 11.1):
4259 # int frealpathat(int fd, char *path, char *buf, size_t buflen);
4261 # C-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4262 # Automake-level symbol: SOLARIS_FREALPATHAT_SYSCALL
4264 AC_MSG_CHECKING([for the new `frealpathat' syscall (Solaris-specific)])
4265 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4266 #include <sys/syscall.h>
4268 return !SYS_frealpathat;
4270 solaris_frealpathat_syscall=yes
4271 AC_MSG_RESULT([yes])
4272 AC_DEFINE([SOLARIS_FREALPATHAT_SYSCALL], 1,
4273 [Define to 1 if you have the new `frealpathat' syscall.])
4275 solaris_frealpathat_syscall=no
4278 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, test x$solaris_frealpathat_syscall = xyes)
4281 # Solaris-specific check determining if the new uuidsys() syscall is
4284 # New syscall (available on newer Solaris):
4285 # int uuidsys(struct uuid *uuid);
4287 # C-level symbol: SOLARIS_UUIDSYS_SYSCALL
4288 # Automake-level symbol: SOLARIS_UUIDSYS_SYSCALL
4290 AC_MSG_CHECKING([for the new `uuidsys' syscall (Solaris-specific)])
4291 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4292 #include <sys/syscall.h>
4294 return !SYS_uuidsys;
4296 solaris_uuidsys_syscall=yes
4297 AC_MSG_RESULT([yes])
4298 AC_DEFINE([SOLARIS_UUIDSYS_SYSCALL], 1,
4299 [Define to 1 if you have the new `uuidsys' syscall.])
4301 solaris_uuidsys_syscall=no
4304 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, test x$solaris_uuidsys_syscall = xyes)
4307 # Solaris-specific check determining if the new labelsys() syscall subcode
4308 # TNDB_GET_TNIP is available. This subcode was added in Solaris 11 but is
4309 # missing on illumos.
4311 # C-level symbol: SOLARIS_TNDB_GET_TNIP
4312 # Automake-level symbol: SOLARIS_TNDB_GET_TNIP
4314 AC_MSG_CHECKING([for TNDB_GET_TNIP (Solaris-specific)])
4315 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4316 #include <sys/tsol/tndb.h>
4318 return !TNDB_GET_TNIP;
4320 solaris_tndb_get_tnip=yes
4321 AC_MSG_RESULT([yes])
4322 AC_DEFINE([SOLARIS_TNDB_GET_TNIP], 1,
4323 [Define to 1 if you have the `TNDB_GET_TNIP' constant.])
4325 solaris_tndb_get_tnip=no
4328 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, test x$solaris_tndb_get_tnip = xyes)
4331 # Solaris-specific check determining if the new labelsys() syscall opcodes
4332 # TSOL_GETCLEARANCE and TSOL_SETCLEARANCE are available. These opcodes were
4333 # added in Solaris 11 but are missing on illumos.
4335 # C-level symbol: SOLARIS_TSOL_CLEARANCE
4336 # Automake-level symbol: SOLARIS_TSOL_CLEARANCE
4338 AC_MSG_CHECKING([for TSOL_GETCLEARANCE and TSOL_SETCLEARANCE (Solaris-specific)])
4339 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4340 #include <sys/tsol/tsyscall.h>
4342 return !(TSOL_GETCLEARANCE && TSOL_SETCLEARANCE);
4344 solaris_tsol_clearance=yes
4345 AC_MSG_RESULT([yes])
4346 AC_DEFINE([SOLARIS_TSOL_CLEARANCE], 1,
4347 [Define to 1 if you have the `TSOL_GETCLEARANCE' and `TSOL_SETCLEARANCE' constants.])
4349 solaris_tsol_clearance=no
4352 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, test x$solaris_tsol_clearance = xyes)
4355 # Solaris-specific check determining if the new pset() syscall subcode
4356 # PSET_GET_NAME is available. This subcode was added in Solaris 11.4 but
4357 # is missing on illumos and Solaris 11.3.
4359 # C-level symbol: SOLARIS_PSET_GET_NAME
4360 # Automake-level symbol: SOLARIS_PSET_GET_NAME
4362 AC_MSG_CHECKING([for PSET_GET_NAME (Solaris-specific)])
4363 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4364 #include <sys/pset.h>
4366 return !(PSET_GET_NAME);
4368 solaris_pset_get_name=yes
4369 AC_MSG_RESULT([yes])
4370 AC_DEFINE([SOLARIS_PSET_GET_NAME], 1,
4371 [Define to 1 if you have the `PSET_GET_NAME' constants.])
4373 solaris_pset_get_name=no
4376 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, test x$solaris_pset_get_name = xyes)
4379 # Solaris-specific check determining if the utimesys() syscall is
4380 # available (on illumos and older Solaris).
4382 # C-level symbol: SOLARIS_UTIMESYS_SYSCALL
4383 # Automake-level symbol: SOLARIS_UTIMESYS_SYSCALL
4385 AC_MSG_CHECKING([for the `utimesys' syscall (Solaris-specific)])
4386 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4387 #include <sys/syscall.h>
4389 return !SYS_utimesys;
4391 solaris_utimesys_syscall=yes
4392 AC_MSG_RESULT([yes])
4393 AC_DEFINE([SOLARIS_UTIMESYS_SYSCALL], 1,
4394 [Define to 1 if you have the `utimesys' syscall.])
4396 solaris_utimesys_syscall=no
4399 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, test x$solaris_utimesys_syscall = xyes)
4402 # Solaris-specific check determining if the utimensat() syscall is
4403 # available (on newer Solaris).
4405 # C-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4406 # Automake-level symbol: SOLARIS_UTIMENSAT_SYSCALL
4408 AC_MSG_CHECKING([for the `utimensat' syscall (Solaris-specific)])
4409 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4410 #include <sys/syscall.h>
4412 return !SYS_utimensat;
4414 solaris_utimensat_syscall=yes
4415 AC_MSG_RESULT([yes])
4416 AC_DEFINE([SOLARIS_UTIMENSAT_SYSCALL], 1,
4417 [Define to 1 if you have the `utimensat' syscall.])
4419 solaris_utimensat_syscall=no
4422 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, test x$solaris_utimensat_syscall = xyes)
4425 # Solaris-specific check determining if the spawn() syscall is available
4426 # (on newer Solaris).
4428 # C-level symbol: SOLARIS_SPAWN_SYSCALL
4429 # Automake-level symbol: SOLARIS_SPAWN_SYSCALL
4431 AC_MSG_CHECKING([for the `spawn' syscall (Solaris-specific)])
4432 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4433 #include <sys/syscall.h>
4437 solaris_spawn_syscall=yes
4438 AC_MSG_RESULT([yes])
4439 AC_DEFINE([SOLARIS_SPAWN_SYSCALL], 1,
4440 [Define to 1 if you have the `spawn' syscall.])
4442 solaris_spawn_syscall=no
4445 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, test x$solaris_spawn_syscall = xyes)
4448 # Solaris-specific check determining if commands MODNVL_CTRLMAP through
4449 # MODDEVINFO_CACHE_TS for modctl() syscall are available (on newer Solaris).
4451 # C-level symbol: SOLARIS_MODCTL_MODNVL
4452 # Automake-level symbol: SOLARIS_MODCTL_MODNVL
4454 AC_MSG_CHECKING([for MODNVL_CTRLMAP through MODDEVINFO_CACHE_TS modctl(2) commands (Solaris-specific)])
4455 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4456 #include <sys/modctl.h>
4458 return !(MODNVL_CTRLMAP && MODDEVINFO_CACHE_TS);
4460 solaris_modctl_modnvl=yes
4461 AC_MSG_RESULT([yes])
4462 AC_DEFINE([SOLARIS_MODCTL_MODNVL], 1,
4463 [Define to 1 if you have the `MODNVL_CTRLMAP' through `MODDEVINFO_CACHE_TS' constants.])
4465 solaris_modctl_modnvl=no
4468 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, test x$solaris_modctl_modnvl = xyes)
4471 # Solaris-specific check determining whether nscd (name switch cache daemon)
4472 # attaches its door at /system/volatile/name_service_door (Solaris)
4473 # or at /var/run/name_service_door (illumos).
4475 # Note that /var/run is a symlink to /system/volatile on Solaris
4476 # but not vice versa on illumos.
4478 # C-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4479 # Automake-level symbol: SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE
4481 AC_MSG_CHECKING([for nscd door location (Solaris-specific)])
4482 if test -e /system/volatile/name_service_door; then
4483 solaris_nscd_door_system_volatile=yes
4484 AC_MSG_RESULT([/system/volatile/name_service_door])
4485 AC_DEFINE([SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE], 1,
4486 [Define to 1 if nscd attaches to /system/volatile/name_service_door.])
4488 solaris_nscd_door_system_volatile=no
4489 AC_MSG_RESULT([/var/run/name_service_door])
4491 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, test x$solaris_nscd_door_system_volatile = xyes)
4494 # Solaris-specific check determining if the new gethrt() fasttrap is available.
4496 # New fasttrap (available on Solaris 11):
4497 # hrt_t *gethrt(void);
4499 # C-level symbol: SOLARIS_GETHRT_FASTTRAP
4500 # Automake-level symbol: SOLARIS_GETHRT_FASTTRAP
4502 AC_MSG_CHECKING([for the new `gethrt' fasttrap (Solaris-specific)])
4503 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4504 #include <sys/trap.h>
4508 solaris_gethrt_fasttrap=yes
4509 AC_MSG_RESULT([yes])
4510 AC_DEFINE([SOLARIS_GETHRT_FASTTRAP], 1,
4511 [Define to 1 if you have the new `gethrt' fasttrap.])
4513 solaris_gethrt_fasttrap=no
4516 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, test x$solaris_gethrt_fasttrap = xyes)
4519 # Solaris-specific check determining if the new get_zone_offset() fasttrap
4522 # New fasttrap (available on Solaris 11):
4523 # zonehrtoffset_t *get_zone_offset(void);
4525 # C-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4526 # Automake-level symbol: SOLARIS_GETZONEOFFSET_FASTTRAP
4528 AC_MSG_CHECKING([for the new `get_zone_offset' fasttrap (Solaris-specific)])
4529 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4530 #include <sys/trap.h>
4532 return !T_GETZONEOFFSET;
4534 solaris_getzoneoffset_fasttrap=yes
4535 AC_MSG_RESULT([yes])
4536 AC_DEFINE([SOLARIS_GETZONEOFFSET_FASTTRAP], 1,
4537 [Define to 1 if you have the new `get_zone_offset' fasttrap.])
4539 solaris_getzoneoffset_fasttrap=no
4542 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, test x$solaris_getzoneoffset_fasttrap = xyes)
4545 # Solaris-specific check determining if the execve() syscall
4546 # takes fourth argument (flags) or not.
4548 # Old syscall (available on illumos):
4549 # int execve(const char *fname, const char **argv, const char **envp);
4551 # New syscall (available on Solaris):
4552 # int execve(uintptr_t file, const char **argv, const char **envp, int flags);
4554 # If the new syscall is present then it will fail with EINVAL (because flags
4555 # are invalid); if the old syscall is available then it will fail with ENOENT
4556 # (because the file could not be found).
4558 # C-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4559 # Automake-level symbol: SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS
4561 AC_MSG_CHECKING([if the `execve' syscall accepts flags (Solaris-specific)])
4562 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4563 #include <sys/syscall.h>
4567 syscall(SYS_execve, "/no/existing/path", 0, 0, 0xdeadbeef, 0, 0);
4568 return !(errno == EINVAL);
4570 solaris_execve_syscall_takes_flags=yes
4571 AC_MSG_RESULT([yes])
4572 AC_DEFINE([SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS], 1,
4573 [Define to 1 if you have the new `execve' syscall which accepts flags.])
4575 solaris_execve_syscall_takes_flags=no
4578 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS,
4579 test x$solaris_execve_syscall_takes_flags = xyes)
4582 # Solaris-specific check determining version of the repository cache protocol.
4583 # Every Solaris version uses a different one, ranging from 21 to current 25.
4584 # The check is very ugly, though.
4586 # C-level symbol: SOLARIS_REPCACHE_PROTOCOL_VERSION vv
4587 # Automake-level symbol: none
4589 AC_PATH_PROG(DIS_PATH, dis, false)
4590 if test "x$DIS_PATH" = "xfalse"; then
4591 AC_MSG_FAILURE([Object code disassembler (`dis') not found.])
4593 # The illumos source is (or was) here
4594 # https://github.com/illumos/illumos-gate/blob/master/usr/src/lib/libscf/common/lowlevel.c#L1148
4595 # specifically the line
4597 # request.rdr_version = REPOSITORY_DOOR_VERSION;
4599 # rdr_version is a 32bit unsigned int
4600 # The macro REPOSITORY_DOOR_VERSION contains the ascii letters "Rep" in the top 3
4601 # bytes and the door version in the lowest byte. Hence we look for Rep which is 526570
4602 # in hex and then extrace the following byte.
4603 AC_CHECK_LIB(scf, scf_handle_bind, [], [
4604 AC_MSG_WARN([Function `scf_handle_bind' was not found in `libscf'.])
4605 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4608 AC_MSG_CHECKING([for version of the repository cache protocol (Solaris-specific)])
4609 if test "X$VGCONF_ARCH_PRI" = "Xamd64"; then
4610 libscf=/usr/lib/64/libscf.so.1
4612 libscf=/usr/lib/libscf.so.1
4614 if ! $DIS_PATH -F scf_handle_bind $libscf | grep -q -E '0x(4d01)?526570'; then
4615 AC_MSG_WARN([Function `scf_handle_bind' does not contain repository cache protocol version.])
4616 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4618 hex=$( $DIS_PATH -F scf_handle_bind $libscf | grep 526570 | sed 's/.*526570//;s/,.*//' )
4619 if test -z "$hex"; then
4620 AC_MSG_WARN([Version of the repository cache protocol is empty?!])
4621 AC_MSG_ERROR([Cannot determine version of the repository cache protocol.])
4623 version=$( printf "%d\n" 0x$hex )
4624 AC_MSG_RESULT([$version])
4625 AC_DEFINE_UNQUOTED([SOLARIS_REPCACHE_PROTOCOL_VERSION], [$version],
4626 [Version number of the repository door cache protocol.])
4629 # Solaris-specific check determining if "sysstat" segment reservation type
4632 # New "sysstat" segment reservation (available on Solaris 11.4):
4633 # - program header type: PT_SUNW_SYSSTAT
4634 # - auxiliary vector entry: AT_SUN_SYSSTAT_ADDR
4636 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4637 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ADDR
4639 AC_MSG_CHECKING([for the new `sysstat' segment reservation (Solaris-specific)])
4640 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4641 #include <sys/auxv.h>
4643 return !AT_SUN_SYSSTAT_ADDR;
4645 solaris_reserve_sysstat_addr=yes
4646 AC_MSG_RESULT([yes])
4647 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ADDR], 1,
4648 [Define to 1 if you have the new `sysstat' segment reservation.])
4650 solaris_reserve_sysstat_addr=no
4653 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, test x$solaris_reserve_sysstat_addr = xyes)
4656 # Solaris-specific check determining if "sysstat_zone" segment reservation type
4659 # New "sysstat_zone" segment reservation (available on Solaris 11.4):
4660 # - program header type: PT_SUNW_SYSSTAT_ZONE
4661 # - auxiliary vector entry: AT_SUN_SYSSTAT_ZONE_ADDR
4663 # C-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4664 # Automake-level symbol: SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR
4666 AC_MSG_CHECKING([for the new `sysstat_zone' segment reservation (Solaris-specific)])
4667 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4668 #include <sys/auxv.h>
4670 return !AT_SUN_SYSSTAT_ZONE_ADDR;
4672 solaris_reserve_sysstat_zone_addr=yes
4673 AC_MSG_RESULT([yes])
4674 AC_DEFINE([SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR], 1,
4675 [Define to 1 if you have the new `sysstat_zone' segment reservation.])
4677 solaris_reserve_sysstat_zone_addr=no
4680 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, test x$solaris_reserve_sysstat_zone_addr = xyes)
4683 # Solaris-specific check determining if the system_stats() syscall is available
4684 # (on newer Solaris).
4686 # C-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4687 # Automake-level symbol: SOLARIS_SYSTEM_STATS_SYSCALL
4689 AC_MSG_CHECKING([for the `system_stats' syscall (Solaris-specific)])
4690 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4691 #include <sys/syscall.h>
4693 return !SYS_system_stats;
4695 solaris_system_stats_syscall=yes
4696 AC_MSG_RESULT([yes])
4697 AC_DEFINE([SOLARIS_SYSTEM_STATS_SYSCALL], 1,
4698 [Define to 1 if you have the `system_stats' syscall.])
4700 solaris_system_stats_syscall=no
4703 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, test x$solaris_system_stats_syscall = xyes)
4706 # Solaris-specific check determining if fpregset_t defines struct _fpchip_state
4707 # (on newer illumos) or struct fpchip_state (Solaris, older illumos).
4709 # C-level symbol: SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE
4710 # Automake-level symbol: none
4712 AC_CHECK_TYPE([struct _fpchip_state],
4713 [solaris_fpchip_state_takes_underscore=yes],
4714 [solaris_fpchip_state_takes_underscore=no],
4715 [[#include <sys/regset.h>]])
4716 if test "$solaris_fpchip_state_takes_underscore" = "yes"; then
4717 AC_DEFINE(SOLARIS_FPCHIP_STATE_TAKES_UNDERSCORE, 1,
4718 [Define to 1 if fpregset_t defines struct _fpchip_state])
4722 # Solaris-specific check determining if schedctl page shared between kernel
4723 # and userspace program is executable (illumos, older Solaris) or not (newer
4726 # C-level symbol: SOLARIS_SCHEDCTL_PAGE_EXEC
4727 # Automake-level symbol: none
4729 AC_MSG_CHECKING([if schedctl page is executable (Solaris-specific)])
4730 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4734 #include <schedctl.h>
4738 schedctl_t *scp = schedctl_init();
4742 int fd = open("/proc/self/map", O_RDONLY);
4747 while ((rd = read(fd, &map, sizeof(map))) == sizeof(map)) {
4748 if (map.pr_vaddr == ((uintptr_t) scp & PAGEMASK)) {
4749 fprintf(stderr, "%#lx [%zu] %s\n", map.pr_vaddr, map.pr_size,
4750 (map.pr_mflags & MA_EXEC) ? "x" : "no-x");
4751 return (map.pr_mflags & MA_EXEC);
4757 solaris_schedctl_page_exec=no
4760 solaris_schedctl_page_exec=yes
4761 AC_MSG_RESULT([yes])
4762 AC_DEFINE([SOLARIS_SCHEDCTL_PAGE_EXEC], 1,
4763 [Define to 1 if you have the schedctl page executable.])
4767 # Solaris-specific check determining if PT_SUNWDTRACE program header provides
4768 # scratch space for DTrace fasttrap provider (illumos, older Solaris) or just
4769 # an initial thread pointer for libc (newer Solaris).
4771 # C-level symbol: SOLARIS_PT_SUNDWTRACE_THRP
4772 # Automake-level symbol: none
4774 AC_MSG_CHECKING([if PT_SUNWDTRACE serves for initial thread pointer (Solaris-specific)])
4775 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
4776 #include <sys/fasttrap_isa.h>
4778 return !FT_SCRATCHSIZE;
4780 solaris_pt_sunwdtrace_thrp=yes
4781 AC_MSG_RESULT([yes])
4782 AC_DEFINE([SOLARIS_PT_SUNDWTRACE_THRP], 1,
4783 [Define to 1 if PT_SUNWDTRACE program header provides just an initial thread pointer for libc.])
4785 solaris_pt_sunwdtrace_thrp=no
4790 AM_CONDITIONAL(SOLARIS_SUN_STUDIO_AS, false)
4791 AM_CONDITIONAL(SOLARIS_XPG_SYMBOLS_PRESENT, false)
4792 AM_CONDITIONAL(SOLARIS_PROC_CMDLINE, false)
4793 AM_CONDITIONAL(SOLARIS_OLD_SYSCALLS, false)
4794 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL, false)
4795 AM_CONDITIONAL(SOLARIS_LWP_SIGQUEUE_SYSCALL_TAKES_PID, false)
4796 AM_CONDITIONAL(SOLARIS_LWP_NAME_SYSCALL, false)
4797 AM_CONDITIONAL(SOLARIS_GETRANDOM_SYSCALL, false)
4798 AM_CONDITIONAL(SOLARIS_ZONE_DEFUNCT, false)
4799 AM_CONDITIONAL(SOLARIS_AUDITON_STAT, false)
4800 AM_CONDITIONAL(SOLARIS_SHM_NEW, false)
4801 AM_CONDITIONAL(SOLARIS_PRXREGSET_T, false)
4802 AM_CONDITIONAL(SOLARIS_FREALPATHAT_SYSCALL, false)
4803 AM_CONDITIONAL(SOLARIS_UUIDSYS_SYSCALL, false)
4804 AM_CONDITIONAL(SOLARIS_TNDB_GET_TNIP, false)
4805 AM_CONDITIONAL(SOLARIS_TSOL_CLEARANCE, false)
4806 AM_CONDITIONAL(SOLARIS_PSET_GET_NAME, false)
4807 AM_CONDITIONAL(SOLARIS_UTIMESYS_SYSCALL, false)
4808 AM_CONDITIONAL(SOLARIS_UTIMENSAT_SYSCALL, false)
4809 AM_CONDITIONAL(SOLARIS_SPAWN_SYSCALL, false)
4810 AM_CONDITIONAL(SOLARIS_MODCTL_MODNVL, false)
4811 AM_CONDITIONAL(SOLARIS_NSCD_DOOR_SYSTEM_VOLATILE, false)
4812 AM_CONDITIONAL(SOLARIS_GETHRT_FASTTRAP, false)
4813 AM_CONDITIONAL(SOLARIS_GETZONEOFFSET_FASTTRAP, false)
4814 AM_CONDITIONAL(SOLARIS_EXECVE_SYSCALL_TAKES_FLAGS, false)
4815 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ADDR, false)
4816 AM_CONDITIONAL(SOLARIS_RESERVE_SYSSTAT_ZONE_ADDR, false)
4817 AM_CONDITIONAL(SOLARIS_SYSTEM_STATS_SYSCALL, false)
4818 fi # test "$VGCONF_OS" = "solaris"
4820 #----------------------------------------------------------------------------
4821 # FreeBSD-specific checks.
4822 #----------------------------------------------------------------------------
4824 # Rather than having a large number of feature test as above with Solaris
4825 # these tests are per-version. This may not be entirely reliable for
4826 # FreeBSD development branches (XX.Y-CURRENT) or pre-release branches
4827 # (XX.Y-STABLE) but it should work for XX-Y-RELEASE
4829 if test "$VGCONF_OS" = "freebsd" ; then
4831 AM_CONDITIONAL(FREEBSD_VERS_13_PLUS, test $freebsd_vers -ge $freebsd_13_0)
4832 AM_CONDITIONAL(FREEBSD_VERS_15_PLUS, test $freebsd_vers -ge $freebsd_15)
4836 AM_CONDITIONAL(FREEBSD_VERS_13_PLUS, false)
4837 AM_CONDITIONAL(FREEBSD_VERS_15_PLUS, false)
4839 fi # test "$VGCONF_OS" = "freebsd"
4842 #----------------------------------------------------------------------------
4843 # Checks for C header files.
4844 #----------------------------------------------------------------------------
4846 AC_CHECK_HEADERS([ \
4864 # Verify whether the <linux/futex.h> header is usable.
4865 AC_MSG_CHECKING([if <linux/futex.h> is usable])
4867 save_CFLAGS="$CFLAGS"
4868 CFLAGS="$CFLAGS -D__user="
4869 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
4870 #include <linux/futex.h>
4874 ac_have_usable_linux_futex_h=yes
4875 AC_DEFINE([HAVE_USABLE_LINUX_FUTEX_H], 1,
4876 [Define to 1 if you have a usable <linux/futex.h> header file.])
4877 AC_MSG_RESULT([yes])
4879 ac_have_usable_linux_futex_h=no
4882 CFLAGS="$save_CFLAGS"
4885 #----------------------------------------------------------------------------
4886 # Checks for typedefs, structures, and compiler characteristics.
4887 #----------------------------------------------------------------------------
4891 AC_CHECK_HEADERS_ONCE([sys/time.h])
4893 AC_CHECK_TYPE([struct statx], [
4894 AC_DEFINE([HAVE_STRUCT_STATX_IN_SYS_STAT_H], 1,
4895 [Define to 1 if <sys/stat.h> declares struct statx.])
4898 #include <sys/stat.h>
4902 #----------------------------------------------------------------------------
4903 # Checks for library functions.
4904 #----------------------------------------------------------------------------
4908 AC_CHECK_LIB([pthread], [pthread_create])
4909 AC_CHECK_LIB([rt], [clock_gettime])
4931 pthread_barrier_init \
4932 pthread_condattr_setclock \
4933 pthread_mutex_timedlock \
4934 pthread_rwlock_timedrdlock \
4935 pthread_rwlock_timedwrlock \
4936 pthread_setname_np \
4967 # AC_CHECK_LIB adds any library found to the variable LIBS, and links these
4968 # libraries with any shared object and/or executable. This is NOT what we
4969 # want for e.g. vgpreload_core-x86-linux.so
4972 AM_CONDITIONAL([HAVE_PTHREAD_BARRIER],
4973 [test x$ac_cv_func_pthread_barrier_init = xyes])
4974 AM_CONDITIONAL([HAVE_PTHREAD_MUTEX_TIMEDLOCK],
4975 [test x$ac_cv_func_pthread_mutex_timedlock = xyes])
4976 AM_CONDITIONAL([HAVE_PTHREAD_SPINLOCK],
4977 [test x$ac_cv_func_pthread_spin_lock = xyes])
4978 AM_CONDITIONAL([HAVE_PTHREAD_SETNAME_NP],
4979 [test x$ac_cv_func_pthread_setname_np = xyes])
4980 AM_CONDITIONAL([HAVE_COPY_FILE_RANGE],
4981 [test x$ac_cv_func_copy_file_range = xyes])
4982 AM_CONDITIONAL([HAVE_PREADV_PWRITEV],
4983 [test x$ac_cv_func_preadv = xyes && test x$ac_cv_func_pwritev = xyes])
4984 AM_CONDITIONAL([HAVE_PREADV2_PWRITEV2],
4985 [test x$ac_cv_func_preadv2 = xyes && test x$ac_cv_func_pwritev2 = xyes])
4986 AM_CONDITIONAL([HAVE_SETCONTEXT], [test x$ac_cv_func_setcontext = xyes])
4987 AM_CONDITIONAL([HAVE_SWAPCONTEXT], [test x$ac_cv_func_swapcontext = xyes])
4988 AM_CONDITIONAL([HAVE_MEMFD_CREATE],
4989 [test x$ac_cv_func_memfd_create = xyes])
4990 AM_CONDITIONAL([HAVE_GETADDRINFO],
4991 [test x$ac_cv_func_getaddrinfo = xyes])
4992 AM_CONDITIONAL([HAVE_CLOSE_RANGE],
4993 [test x$ac_cv_func_close_range = xyes])
4994 AM_CONDITIONAL([HAVE_REALLOCARRAY],
4995 [test x$ac_cv_func_reallocarray = xyes])
4996 AM_CONDITIONAL([HAVE_WCSNCPY],
4997 [test x$ac_cv_func_wcsncpy = xyes])
4998 AM_CONDITIONAL([HAVE_STRLCAT],
4999 [test x$ac_cv_func_strlcat = xyes])
5000 AM_CONDITIONAL([HAVE_STRLCPY],
5001 [test x$ac_cv_func_strlcpy = xyes])
5003 if test x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
5004 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
5005 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX; then
5006 AC_DEFINE([DISABLE_PTHREAD_SPINLOCK_INTERCEPT], 1,
5007 [Disable intercept pthread_spin_lock() on MIPS32, MIPS64 and nanoMIPS.])
5010 #----------------------------------------------------------------------------
5012 #----------------------------------------------------------------------------
5013 # Do we have a useable MPI setup on the primary and/or secondary targets?
5014 # On Linux, by default, assumes mpicc and -m32/-m64
5015 # Note: this is a kludge in that it assumes the specified mpicc
5016 # understands -m32/-m64 regardless of what is specified using
5018 AC_PATH_PROG([MPI_CC], [mpicc], [mpicc],
5019 [$PATH:/usr/lib/openmpi/bin:/usr/lib64/openmpi/bin])
5022 if test x$VGCONF_PLATFORM_PRI_CAPS = xX86_LINUX \
5023 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_FREEBSD \
5024 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC32_LINUX \
5025 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM_LINUX \
5026 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS32_LINUX \
5027 -o x$VGCONF_PLATFORM_PRI_CAPS = xNANOMIPS_LINUX \
5028 -o x$VGCONF_PLATFORM_PRI_CAPS = xX86_SOLARIS ; then
5029 mflag_primary=$FLAG_M32
5030 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_LINUX \
5031 -o x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_FREEBSD \
5032 -o x$VGCONF_PLATFORM_PRI_CAPS = xPPC64_LINUX \
5033 -o x$VGCONF_PLATFORM_PRI_CAPS = xARM64_LINUX \
5034 -o x$VGCONF_PLATFORM_PRI_CAPS = xMIPS64_LINUX \
5035 -o x$VGCONF_PLATFORM_PRI_CAPS = xS390X_LINUX ; then
5036 mflag_primary=$FLAG_M64
5037 elif test x$VGCONF_PLATFORM_PRI_CAPS = xX86_DARWIN ; then
5038 mflag_primary="$FLAG_M32 -arch i386"
5039 elif test x$VGCONF_PLATFORM_PRI_CAPS = xAMD64_DARWIN ; then
5040 mflag_primary="$FLAG_M64 -arch x86_64"
5044 if test x$VGCONF_PLATFORM_SEC_CAPS = xX86_LINUX \
5045 -o x$VGCONF_PLATFORM_SEC_CAPS = xPPC32_LINUX \
5046 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_SOLARIS \
5047 -o x$VGCONF_PLATFORM_SEC_CAPS = xMIPS32_LINUX \
5048 -o x$VGCONF_PLATFORM_SEC_CAPS = xX86_FREEBSD ; then
5049 mflag_secondary=$FLAG_M32
5050 elif test x$VGCONF_PLATFORM_SEC_CAPS = xX86_DARWIN ; then
5051 mflag_secondary="$FLAG_M32 -arch i386"
5056 [ --with-mpicc= Specify name of MPI2-ised C compiler],
5061 ## We AM_COND_IF here instead of automake "if" in mpi/Makefile.am so that we can
5062 ## use these values in the check for a functioning mpicc.
5064 ## We leave the MPI_FLAG_M3264_ logic in mpi/Makefile.am and assume that
5065 ## mflag_primary/mflag_secondary are sufficient approximations of that behavior
5066 AM_COND_IF([VGCONF_OS_IS_LINUX],
5067 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5068 LDFLAGS_MPI="-fpic -shared"])
5069 AM_COND_IF([VGCONF_OS_IS_FREEBSD],
5070 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5071 LDFLAGS_MPI="-fpic -shared"])
5072 AM_COND_IF([VGCONF_OS_IS_DARWIN],
5073 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -dynamic"
5074 LDFLAGS_MPI="-dynamic -dynamiclib -all_load"])
5075 AM_COND_IF([VGCONF_OS_IS_SOLARIS],
5076 [CFLAGS_MPI="-g -O -fno-omit-frame-pointer -Wall -fpic"
5077 LDFLAGS_MPI="-fpic -shared"])
5079 AC_SUBST([CFLAGS_MPI])
5080 AC_SUBST([LDFLAGS_MPI])
5083 ## See if MPI_CC works for the primary target
5085 AC_MSG_CHECKING([primary target for usable MPI2-compliant C compiler and mpi.h])
5087 saved_CFLAGS=$CFLAGS
5089 CFLAGS="$CFLAGS_MPI $mflag_primary"
5090 saved_LDFLAGS="$LDFLAGS"
5091 LDFLAGS="$LDFLAGS_MPI $mflag_primary"
5092 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5096 int ni, na, nd, comb;
5097 int r = MPI_Init(NULL,NULL);
5098 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
5099 r |= MPI_Finalize();
5102 ac_have_mpi2_pri=yes
5103 AC_MSG_RESULT([yes, $MPI_CC])
5109 CFLAGS=$saved_CFLAGS
5110 LDFLAGS="$saved_LDFLAGS"
5111 AM_CONDITIONAL(BUILD_MPIWRAP_PRI, test x$ac_have_mpi2_pri = xyes)
5113 ## See if MPI_CC works for the secondary target. Complication: what if
5114 ## there is no secondary target? We need this to then fail.
5115 ## Kludge this by making MPI_CC something which will surely fail in
5118 AC_MSG_CHECKING([secondary target for usable MPI2-compliant C compiler and mpi.h])
5120 saved_CFLAGS=$CFLAGS
5121 saved_LDFLAGS="$LDFLAGS"
5122 LDFLAGS="$LDFLAGS_MPI $mflag_secondary"
5123 if test x$VGCONF_PLATFORM_SEC_CAPS = x ; then
5124 CC="$MPI_CC this will surely fail"
5128 CFLAGS="$CFLAGS_MPI $mflag_secondary"
5129 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5133 int ni, na, nd, comb;
5134 int r = MPI_Init(NULL,NULL);
5135 r |= MPI_Type_get_envelope( MPI_INT, &ni, &na, &nd, &comb );
5136 r |= MPI_Finalize();
5139 ac_have_mpi2_sec=yes
5140 AC_MSG_RESULT([yes, $MPI_CC])
5146 CFLAGS=$saved_CFLAGS
5147 LDFLAGS="$saved_LDFLAGS"
5148 AM_CONDITIONAL(BUILD_MPIWRAP_SEC, test x$ac_have_mpi2_sec = xyes)
5151 #----------------------------------------------------------------------------
5152 # Other library checks
5153 #----------------------------------------------------------------------------
5154 # There now follow some tests for Boost, and OpenMP. These
5155 # tests are present because Drd has some regression tests that use
5156 # these packages. All regression test programs all compiled only
5157 # for the primary target. And so it is important that the configure
5158 # checks that follow, use the correct -m32 or -m64 flag for the
5159 # primary target (called $mflag_primary). Otherwise, we can end up
5160 # in a situation (eg) where, on amd64-linux, the test for Boost checks
5161 # for usable 64-bit Boost facilities, but because we are doing a 32-bit
5162 # only build (meaning, the primary target is x86-linux), the build
5163 # of the regtest programs that use Boost fails, because they are
5164 # build as 32-bit (IN THIS EXAMPLE).
5166 # Hence: ALWAYS USE $mflag_primary FOR CONFIGURE TESTS FOR FACILITIES
5167 # NEEDED BY THE REGRESSION TEST PROGRAMS.
5170 # Check whether the boost library 1.35 or later has been installed.
5171 # The Boost.Threads library has undergone a major rewrite in version 1.35.0.
5173 AC_MSG_CHECKING([for boost])
5176 safe_CXXFLAGS=$CXXFLAGS
5177 CXXFLAGS="$mflag_primary"
5179 LIBS="-lboost_thread-mt -lboost_system-mt $LIBS"
5181 AC_LINK_IFELSE([AC_LANG_SOURCE([
5182 #include <boost/thread.hpp>
5183 static void thread_func(void)
5185 int main(int argc, char** argv)
5187 boost::thread t(thread_func);
5192 ac_have_boost_1_35=yes
5193 AC_SUBST([BOOST_CFLAGS], [])
5194 AC_SUBST([BOOST_LIBS], ["-lboost_thread-mt -lboost_system-mt"])
5195 AC_MSG_RESULT([yes])
5197 ac_have_boost_1_35=no
5202 CXXFLAGS=$safe_CXXFLAGS
5205 AM_CONDITIONAL([HAVE_BOOST_1_35], [test x$ac_have_boost_1_35 = xyes])
5208 # does this compiler support -fopenmp, does it have the include file
5209 # <omp.h> and does it have libgomp ?
5211 AC_MSG_CHECKING([for OpenMP])
5214 CFLAGS="-fopenmp $mflag_primary -Werror"
5216 AC_LINK_IFELSE([AC_LANG_SOURCE([
5218 int main(int argc, char** argv)
5226 AC_MSG_RESULT([yes])
5233 AM_CONDITIONAL([HAVE_OPENMP], [test x$ac_have_openmp = xyes])
5236 # Check for __builtin_popcount
5237 AC_MSG_CHECKING([for __builtin_popcount()])
5238 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5240 __builtin_popcount(2);
5243 AC_MSG_RESULT([yes])
5244 AC_DEFINE([HAVE_BUILTIN_POPCOUT], 1,
5245 [Define to 1 if compiler provides __builtin_popcount().])
5250 # Check for __builtin_clz
5251 AC_MSG_CHECKING([for __builtin_clz()])
5252 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5257 AC_MSG_RESULT([yes])
5258 AC_DEFINE([HAVE_BUILTIN_CLZ], 1,
5259 [Define to 1 if compiler provides __builtin_clz().])
5264 # Check for __builtin_ctz
5265 AC_MSG_CHECKING([for __builtin_ctz()])
5266 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5271 AC_MSG_RESULT([yes])
5272 AC_DEFINE([HAVE_BUILTIN_CTZ], 1,
5273 [Define to 1 if compiler provides __builtin_ctz().])
5278 # does this compiler have built-in functions for atomic memory access for the
5280 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the primary target])
5283 CFLAGS="$mflag_primary"
5285 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5287 return (__sync_bool_compare_and_swap(&variable, 1, 2)
5288 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
5290 ac_have_builtin_atomic_primary=yes
5291 AC_MSG_RESULT([yes])
5292 AC_DEFINE(HAVE_BUILTIN_ATOMIC, 1, [Define to 1 if gcc supports __sync_bool_compare_and_swap() and __sync_add_and_fetch() for the primary target])
5294 ac_have_builtin_atomic_primary=no
5300 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC],
5301 [test x$ac_have_builtin_atomic_primary = xyes])
5304 # does this compiler have built-in functions for atomic memory access for the
5305 # secondary target ?
5307 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5309 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch for the secondary target])
5312 CFLAGS="$mflag_secondary"
5314 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5316 return (__sync_add_and_fetch(&variable, 1) ? 1 : 0)
5318 ac_have_builtin_atomic_secondary=yes
5319 AC_MSG_RESULT([yes])
5321 ac_have_builtin_atomic_secondary=no
5329 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_SECONDARY],
5330 [test x$ac_have_builtin_atomic_secondary = xyes])
5332 # does this compiler have built-in functions for atomic memory access on
5333 # 64-bit integers for all targets ?
5335 AC_MSG_CHECKING([if gcc supports __sync_add_and_fetch on uint64_t for all targets])
5337 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5340 uint64_t variable = 1;
5341 return __sync_add_and_fetch(&variable, 1)
5343 ac_have_builtin_atomic64_primary=yes
5345 ac_have_builtin_atomic64_primary=no
5348 if test x$VGCONF_PLATFORM_SEC_CAPS != x; then
5351 CFLAGS="$mflag_secondary"
5353 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5356 uint64_t variable = 1;
5357 return __sync_add_and_fetch(&variable, 1)
5359 ac_have_builtin_atomic64_secondary=yes
5361 ac_have_builtin_atomic64_secondary=no
5368 if test x$ac_have_builtin_atomic64_primary = xyes && \
5369 test x$VGCONF_PLATFORM_SEC_CAPS = x \
5370 -o x$ac_have_builtin_atomic64_secondary = xyes; then
5371 AC_MSG_RESULT([yes])
5372 ac_have_builtin_atomic64=yes
5375 ac_have_builtin_atomic64=no
5378 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC64],
5379 [test x$ac_have_builtin_atomic64 = xyes])
5382 AC_MSG_CHECKING([if platform has openat2 syscall])
5384 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5385 #include <sys/syscall.h>
5394 AM_CONDITIONAL([HAVE_OPENAT2],
5395 [test x$ac_have_openat2 = xyes])
5397 # does g++ have built-in functions for atomic memory access ?
5398 AC_MSG_CHECKING([if g++ supports __sync_add_and_fetch])
5400 safe_CXXFLAGS=$CXXFLAGS
5401 CXXFLAGS="$mflag_primary"
5404 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[
5406 return (__sync_bool_compare_and_swap(&variable, 1, 2)
5407 && __sync_add_and_fetch(&variable, 1) ? 1 : 0)
5409 ac_have_builtin_atomic_cxx=yes
5410 AC_MSG_RESULT([yes])
5411 AC_DEFINE(HAVE_BUILTIN_ATOMIC_CXX, 1, [Define to 1 if g++ supports __sync_bool_compare_and_swap() and __sync_add_and_fetch()])
5413 ac_have_builtin_atomic_cxx=no
5418 CXXFLAGS=$safe_CXXFLAGS
5420 AM_CONDITIONAL([HAVE_BUILTIN_ATOMIC_CXX], [test x$ac_have_builtin_atomic_cxx = xyes])
5423 if test x$ac_have_usable_linux_futex_h = xyes \
5424 -a x$ac_have_builtin_atomic_primary = xyes; then
5425 ac_enable_linux_ticket_lock_primary=yes
5427 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_PRIMARY],
5428 [test x$ac_enable_linux_ticket_lock_primary = xyes])
5430 if test x$VGCONF_PLATFORM_SEC_CAPS != x \
5431 -a x$ac_have_usable_linux_futex_h = xyes \
5432 -a x$ac_have_builtin_atomic_secondary = xyes; then
5433 ac_enable_linux_ticket_lock_secondary=yes
5435 AM_CONDITIONAL([ENABLE_LINUX_TICKET_LOCK_SECONDARY],
5436 [test x$ac_enable_linux_ticket_lock_secondary = xyes])
5439 # does libstdc++ support annotating shared pointers ?
5440 AC_MSG_CHECKING([if libstdc++ supports annotating shared pointers])
5442 safe_CXXFLAGS=$CXXFLAGS
5443 CXXFLAGS="-std=c++0x"
5446 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5449 std::shared_ptr<int> p
5451 ac_have_shared_ptr=yes
5453 ac_have_shared_ptr=no
5455 if test x$ac_have_shared_ptr = xyes; then
5456 # If compilation of the program below fails because of a syntax error
5457 # triggered by substituting one of the annotation macros then that
5458 # means that libstdc++ supports these macros.
5459 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
5460 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(a) (a)----
5461 #define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(a) (a)----
5464 std::shared_ptr<int> p
5466 ac_have_shared_pointer_annotation=no
5469 ac_have_shared_pointer_annotation=yes
5470 AC_MSG_RESULT([yes])
5471 AC_DEFINE(HAVE_SHARED_POINTER_ANNOTATION, 1,
5472 [Define to 1 if libstd++ supports annotating shared pointers])
5475 ac_have_shared_pointer_annotation=no
5480 CXXFLAGS=$safe_CXXFLAGS
5482 AM_CONDITIONAL([HAVE_SHARED_POINTER_ANNOTATION],
5483 [test x$ac_have_shared_pointer_annotation = xyes])
5485 # checking for GNU libc C17 aligned_alloc
5486 # just check glibc version rather than trying to muck around
5487 # checking the runtime behaviour or seeing if it is a weak alias
5488 AC_MSG_CHECKING([for AT_GNU_LIBC_C17_ALIGNED_ALLOC])
5489 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
5490 #include <features.h>
5492 #if !defined(__GLIBC__) || __GLIBC__ != 2 || !defined(__GLIBC_MINOR__) || __GLIBC_MINOR__ < 38
5493 #error "not GNU libc 2.38 or later"
5496 AC_MSG_RESULT([yes])
5497 AC_DEFINE([HAVE_GNU_LIBC_C17_ALIGNED_ALLOC], 1,
5498 [Define to 1 if you have GNU libc C17 aligned_alloc.])
5504 # Check for C11 thrd_create()
5505 AC_MSG_CHECKING([for thrd_create()])
5506 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
5507 #include <threads.h>
5508 int thrd_entry(void *arg) { return 0; }
5509 ], [[thrd_t thr; return thrd_create(&thr, thrd_entry, NULL);]])],
5511 ac_cxx_have_thrd_create=yes
5512 AC_MSG_RESULT([yes])
5514 ac_cxx_have_thrd_create=no
5518 AM_CONDITIONAL(HAVE_THRD_CREATE, test x$ac_cxx_have_thrd_create = xyes)
5522 #----------------------------------------------------------------------------
5523 # Ok. We're done checking.
5524 #----------------------------------------------------------------------------
5526 # Nb: VEX/Makefile is generated from Makefile.vex.in.
5529 VEX/Makefile:Makefile.vex.in
5533 glibc-2.X-helgrind.supp
5537 docs/xml/vg-entities.xml
5542 gdbserver_tests/Makefile
5543 gdbserver_tests/solaris/Makefile
5549 memcheck/tests/Makefile
5550 memcheck/tests/common/Makefile
5551 memcheck/tests/amd64/Makefile
5552 memcheck/tests/x86/Makefile
5553 memcheck/tests/linux/Makefile
5554 memcheck/tests/linux/debuginfod-check.vgtest
5555 memcheck/tests/darwin/Makefile
5556 memcheck/tests/solaris/Makefile
5557 memcheck/tests/freebsd/Makefile
5558 memcheck/tests/amd64-linux/Makefile
5559 memcheck/tests/arm64-linux/Makefile
5560 memcheck/tests/x86-linux/Makefile
5561 memcheck/tests/amd64-solaris/Makefile
5562 memcheck/tests/x86-solaris/Makefile
5563 memcheck/tests/amd64-freebsd/Makefile
5564 memcheck/tests/x86-freebsd/Makefile
5565 memcheck/tests/ppc32/Makefile
5566 memcheck/tests/ppc64/Makefile
5567 memcheck/tests/s390x/Makefile
5568 memcheck/tests/mips32/Makefile
5569 memcheck/tests/mips64/Makefile
5570 memcheck/tests/vbit-test/Makefile
5572 cachegrind/tests/Makefile
5573 cachegrind/tests/x86/Makefile
5574 cachegrind/cg_annotate
5578 callgrind/callgrind_annotate
5579 callgrind/callgrind_control
5580 callgrind/tests/Makefile
5582 helgrind/tests/Makefile
5584 drd/scripts/download-and-build-splash2
5587 massif/tests/Makefile
5592 lackey/tests/Makefile
5595 none/tests/scripts/Makefile
5596 none/tests/amd64/Makefile
5597 none/tests/ppc32/Makefile
5598 none/tests/ppc64/Makefile
5599 none/tests/x86/Makefile
5600 none/tests/arm/Makefile
5601 none/tests/arm64/Makefile
5602 none/tests/s390x/Makefile
5603 none/tests/mips32/Makefile
5604 none/tests/mips64/Makefile
5605 none/tests/nanomips/Makefile
5606 none/tests/linux/Makefile
5607 none/tests/darwin/Makefile
5608 none/tests/solaris/Makefile
5609 none/tests/freebsd/Makefile
5610 none/tests/amd64-linux/Makefile
5611 none/tests/x86-linux/Makefile
5612 none/tests/amd64-darwin/Makefile
5613 none/tests/x86-darwin/Makefile
5614 none/tests/amd64-solaris/Makefile
5615 none/tests/x86-solaris/Makefile
5616 none/tests/x86-freebsd/Makefile
5618 exp-bbv/tests/Makefile
5619 exp-bbv/tests/x86/Makefile
5620 exp-bbv/tests/x86-linux/Makefile
5621 exp-bbv/tests/amd64-linux/Makefile
5622 exp-bbv/tests/ppc32-linux/Makefile
5623 exp-bbv/tests/arm-linux/Makefile
5627 AC_CONFIG_FILES([coregrind/link_tool_exe_linux],
5628 [chmod +x coregrind/link_tool_exe_linux])
5629 AC_CONFIG_FILES([coregrind/link_tool_exe_freebsd],
5630 [chmod +x coregrind/link_tool_exe_freebsd])
5631 AC_CONFIG_FILES([coregrind/link_tool_exe_darwin],
5632 [chmod +x coregrind/link_tool_exe_darwin])
5633 AC_CONFIG_FILES([coregrind/link_tool_exe_solaris],
5634 [chmod +x coregrind/link_tool_exe_solaris])
5635 AC_CONFIG_FILES([tests/filter_stderr_basic],
5636 [chmod +x tests/filter_stderr_basic])
5637 AC_CONFIG_FILES([tests/filter_discards],
5638 [chmod +x tests/filter_discards])
5639 AC_CONFIG_FILES([memcheck/tests/filter_stderr],
5640 [chmod +x memcheck/tests/filter_stderr])
5641 AC_CONFIG_FILES([memcheck/tests/filter_dw4],
5642 [chmod +x memcheck/tests/filter_dw4])
5643 AC_CONFIG_FILES([memcheck/tests/filter_overlaperror],
5644 [chmod +x memcheck/tests/filter_overlaperror])
5645 AC_CONFIG_FILES([memcheck/tests/x86/filter_pushfpopf],
5646 [chmod +x memcheck/tests/x86/filter_pushfpopf])
5647 AC_CONFIG_FILES([gdbserver_tests/filter_gdb],
5648 [chmod +x gdbserver_tests/filter_gdb])
5649 AC_CONFIG_FILES([gdbserver_tests/filter_memcheck_monitor],
5650 [chmod +x gdbserver_tests/filter_memcheck_monitor])
5651 AC_CONFIG_FILES([gdbserver_tests/filter_stderr],
5652 [chmod +x gdbserver_tests/filter_stderr])
5653 AC_CONFIG_FILES([gdbserver_tests/filter_vgdb],
5654 [chmod +x gdbserver_tests/filter_vgdb])
5655 AC_CONFIG_FILES([drd/tests/filter_stderr],
5656 [chmod +x drd/tests/filter_stderr])
5657 AC_CONFIG_FILES([drd/tests/filter_error_count],
5658 [chmod +x drd/tests/filter_error_count])
5659 AC_CONFIG_FILES([drd/tests/filter_error_summary],
5660 [chmod +x drd/tests/filter_error_summary])
5661 AC_CONFIG_FILES([drd/tests/filter_stderr_and_thread_no_and_offset],
5662 [chmod +x drd/tests/filter_stderr_and_thread_no_and_offset])
5663 AC_CONFIG_FILES([drd/tests/filter_thread_no],
5664 [chmod +x drd/tests/filter_thread_no])
5665 AC_CONFIG_FILES([drd/tests/filter_xml_and_thread_no],
5666 [chmod +x drd/tests/filter_xml_and_thread_no])
5667 AC_CONFIG_FILES([helgrind/tests/filter_stderr],
5668 [chmod +x helgrind/tests/filter_stderr])
5674 Maximum build arch: ${ARCH_MAX}
5675 Primary build arch: ${VGCONF_ARCH_PRI}
5676 Secondary build arch: ${VGCONF_ARCH_SEC}
5677 Build OS: ${VGCONF_OS}
5678 Link Time Optimisation: ${vg_cv_lto}
5679 Primary build target: ${VGCONF_PLATFORM_PRI_CAPS}
5680 Secondary build target: ${VGCONF_PLATFORM_SEC_CAPS}
5681 Platform variant: ${VGCONF_PLATVARIANT}
5682 Primary -DVGPV string: -DVGPV_${VGCONF_ARCH_PRI}_${VGCONF_OS}_${VGCONF_PLATVARIANT}=1
5683 Default supp files: ${DEFAULT_SUPP}