1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
154 target-libbacktrace \
159 target-liboffloadmic \
162 target-libstdc++-v3 \
163 target-libsanitizer \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list.
181 target_tools="target-rda"
183 ################################################################################
185 ## All tools belong in one of the four categories, and are assigned above
186 ## We assign ${configdirs} this way to remove all embedded newlines. This
187 ## is important because configure will choke if they ever get through.
188 ## ${configdirs} is directories we build using the host tools.
189 ## ${target_configdirs} is directories we build using the target tools.
190 configdirs=`echo ${host_libs} ${host_tools}`
191 target_configdirs=`echo ${target_libraries} ${target_tools}`
192 build_configdirs=`echo ${build_libs} ${build_tools}`
194 m4_divert_text([PARSE_ARGS],
197 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199 m4_popdef([AS_MESSAGE_LOG_FD])dnl
202 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
222 # Be sure to cover against remnants of an in-tree build.
223 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225 Use a pristine source tree when building in a separate tree])
228 # Skipdirs are removed silently.
230 # Noconfigdirs are removed loudly.
234 # Make sure we don't let GNU ld be added if we didn't want it.
235 if test x$with_gnu_ld = xno ; then
237 noconfigdirs="$noconfigdirs ld gold"
241 # Make sure we don't let GNU as be added if we didn't want it.
242 if test x$with_gnu_as = xno ; then
244 noconfigdirs="$noconfigdirs gas"
248 # Make sure we don't let ZLIB be added if we didn't want it.
249 if test x$with_system_zlib = xyes ; then
251 noconfigdirs="$noconfigdirs zlib"
254 # some tools are so dependent upon X11 that if we're not building with X,
255 # it's not even worth trying to configure, much less build, that tool.
258 yes | "") ;; # the default value for this tree is that X11 is available
260 skipdirs="${skipdirs} tk itcl libgui"
261 # We won't be able to build gdbtk without X.
264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267 # Some are only suitable for cross toolchains.
268 # Remove these if host=target.
269 cross_only="target-libgloss target-newlib target-opcodes"
271 case $is_cross_compiler in
272 no) skipdirs="${skipdirs} ${cross_only}" ;;
275 # If both --with-headers and --with-libs are specified, default to
277 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
279 if test x"${with_newlib}" = x ; then
284 # Recognize --with-newlib/--without-newlib.
285 case ${with_newlib} in
286 no) skipdirs="${skipdirs} target-newlib" ;;
287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290 AC_ARG_ENABLE(as-accelerator-for,
291 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
292 [build as offload target compiler.
293 Specify offload host triple by ARG])])
295 AC_ARG_ENABLE(offload-targets,
296 [AS_HELP_STRING([--enable-offload-targets=LIST],
297 [enable offloading to devices from comma-separated LIST of
298 TARGET[=DIR]. Use optional path to find offload target compiler
301 if test x"$enable_offload_targets" = x; then
302 AC_MSG_ERROR([no offload targets specified])
304 ], [enable_offload_targets=])
306 # Handle --enable-gold, --enable-ld.
307 # --disable-gold [--enable-ld]
308 # Build only ld. Default option.
309 # --enable-gold [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold", install ld
311 # as "ld.bfd" and "ld".
312 # --enable-gold=default [--enable-ld]
313 # Build both gold and ld. Install gold as "ld.gold" and "ld",
314 # install ld as "ld.bfd".
315 # --enable-gold[=default] --disable-ld
316 # Build only gold, which is then installed as both "ld.gold" and "ld".
317 # --enable-gold --enable-ld=default
318 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
320 # In other words, ld is default
321 # --enable-gold=default --enable-ld=default
326 [AS_HELP_STRING([[--enable-gold[=ARG]]],
327 [build gold @<:@ARG={default,yes,no}@:>@])],
328 ENABLE_GOLD=$enableval,
330 case "${ENABLE_GOLD}" in
332 # Check for ELF target.
335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
338 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
340 *-*-linux*aout* | *-*-linux*oldld*)
348 if test "$is_elf" = "yes"; then
349 # Check for target supported by gold.
351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
352 | aarch64*-*-* | tilegx*-*-*)
353 configdirs="$configdirs gold"
354 if test x${ENABLE_GOLD} = xdefault; then
365 AC_MSG_ERROR([invalid --enable-gold argument])
370 [AS_HELP_STRING([[--enable-ld[=ARG]]],
371 [build ld @<:@ARG={default,yes,no}@:>@])],
372 ENABLE_LD=$enableval,
375 case "${ENABLE_LD}" in
377 if test x${default_ld} != x; then
378 AC_MSG_ERROR([either gold or ld can be the default ld])
384 if test x${ENABLE_GOLD} != xyes; then
385 AC_MSG_WARN([neither ld nor gold are enabled])
387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
390 AC_MSG_ERROR([invalid --enable-ld argument])
394 # Configure extra directories which are host specific
398 configdirs="$configdirs libtermcap" ;;
401 # A target can indicate whether a language isn't supported for some reason.
402 # Only spaces may be used in this macro; not newlines or tabs.
403 unsupported_languages=
405 # Remove more programs from consideration, based on the host or
406 # target this usually means that a port of the program doesn't
410 i[[3456789]]86-*-msdosdjgpp*)
411 noconfigdirs="$noconfigdirs tcl tk itcl"
416 AC_ARG_ENABLE(libquadmath,
417 AS_HELP_STRING([--disable-libquadmath],
418 [do not build libquadmath directory]),
419 ENABLE_LIBQUADMATH=$enableval,
420 ENABLE_LIBQUADMATH=yes)
421 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
422 noconfigdirs="$noconfigdirs target-libquadmath"
426 AC_ARG_ENABLE(libquadmath-support,
427 AS_HELP_STRING([--disable-libquadmath-support],
428 [disable libquadmath support for Fortran]),
429 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
430 ENABLE_LIBQUADMATH_SUPPORT=yes)
431 enable_libquadmath_support=
432 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
433 enable_libquadmath_support=no
437 AC_ARG_ENABLE(libada,
438 [AS_HELP_STRING([--enable-libada], [build libada directory])],
439 ENABLE_LIBADA=$enableval,
441 if test "${ENABLE_LIBADA}" != "yes" ; then
442 noconfigdirs="$noconfigdirs gnattools"
445 AC_ARG_ENABLE(libssp,
446 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
447 ENABLE_LIBSSP=$enableval,
450 AC_ARG_ENABLE(libstdcxx,
451 AS_HELP_STRING([--disable-libstdcxx],
452 [do not build libstdc++-v3 directory]),
453 ENABLE_LIBSTDCXX=$enableval,
454 ENABLE_LIBSTDCXX=default)
455 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
459 # If this is accelerator compiler and its target is intelmic we enable
460 # target liboffloadmic by default. If this is compiler with offloading
461 # for intelmic we enable host liboffloadmic by default. Otherwise
462 # liboffloadmic is disabled by default.
463 AC_ARG_ENABLE([liboffloadmic],
464 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
465 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
466 [case "$enableval" in
468 enable_liboffloadmic=$enableval ;;
470 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
472 [if test x"$enable_as_accelerator_for" != x; then
474 *-intelmic-* | *-intelmicemul-*)
475 enable_liboffloadmic=target
476 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
479 enable_liboffloadmic=no
483 case "${enable_offload_targets}" in
484 *-intelmic-* | *-intelmicemul-*)
485 enable_liboffloadmic=host
486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
489 enable_liboffloadmic=no
493 AC_SUBST(extra_liboffloadmic_configure_flags)
495 # Save it here so that, even in case of --enable-libgcj, if the Java
496 # front-end isn't enabled, we still get libgcj disabled.
498 case $enable_libgcj in
500 # If we reset it here, it won't get added to noconfigdirs in the
501 # target-specific build rules, so it will be forcibly enabled
502 # (unless the Java language itself isn't enabled).
506 # Make sure we get it printed in the list of not supported target libs.
507 # Don't disable libffi, though, other languages use it.
508 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
509 # Clear libgcj_saved so that even if java is enabled libffi won't be
515 AC_ARG_ENABLE(static-libjava,
516 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
517 [build static libjava @<:@default=no@:>@])],
518 ENABLE_STATIC_LIBJAVA=$enableval,
519 ENABLE_STATIC_LIBJAVA=no)
520 enable_static_libjava=
521 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
522 enable_static_libjava=yes
525 if test x$enable_static_libjava != xyes ; then
526 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
528 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
532 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
534 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
536 *-*-solaris2* | *-*-hpux11*)
538 *-*-darwin* | *-*-aix*)
545 # Enable libgomp by default on POSIX hosted systems.
546 if test x$enable_libgomp = x -a $posix_based_os = "no" ; then
547 # Disable libgomp on non POSIX hosted systems.
548 noconfigdirs="$noconfigdirs target-libgomp"
551 # Enable libgupc by default on POSIX hosted systems.
552 if test x$enable_libgupc = x -a $posix_based_os = "no" ; then
553 # Disable libgupc on non POSIX hosted systems.
554 noconfigdirs="$noconfigdirs target-libgupc"
557 # Disable libatomic on unsupported systems.
558 if test -d ${srcdir}/libatomic; then
559 if test x$enable_libatomic = x; then
560 AC_MSG_CHECKING([for libatomic support])
561 if (srcdir=${srcdir}/libatomic; \
562 . ${srcdir}/configure.tgt; \
563 test -n "$UNSUPPORTED")
566 noconfigdirs="$noconfigdirs target-libatomic"
573 # Disable libcilkrts on unsupported systems.
574 if test -d ${srcdir}/libcilkrts; then
575 if test x$enable_libcilkrts = x; then
576 AC_MSG_CHECKING([for libcilkrts support])
577 if (srcdir=${srcdir}/libcilkrts; \
578 . ${srcdir}/configure.tgt; \
579 test -n "$UNSUPPORTED")
582 noconfigdirs="$noconfigdirs target-libcilkrts"
589 # Disable liboffloadmic on unsupported systems.
590 if test -d ${srcdir}/liboffloadmic; then
591 if test x$enable_liboffloadmic != xno; then
592 AC_MSG_CHECKING([for liboffloadmic support])
593 if (srcdir=${srcdir}/liboffloadmic; \
594 . ${srcdir}/configure.tgt; \
595 test -n "$UNSUPPORTED")
598 noconfigdirs="$noconfigdirs target-liboffloadmic"
605 # Disable libitm on unsupported systems.
606 if test -d ${srcdir}/libitm; then
607 if test x$enable_libitm = x; then
608 AC_MSG_CHECKING([for libitm support])
609 if (srcdir=${srcdir}/libitm; \
610 . ${srcdir}/configure.tgt; \
611 test -n "$UNSUPPORTED")
614 noconfigdirs="$noconfigdirs target-libitm"
621 # Disable libsanitizer on unsupported systems.
622 if test -d ${srcdir}/libsanitizer; then
623 if test x$enable_libsanitizer = x; then
624 AC_MSG_CHECKING([for libsanitizer support])
625 if (srcdir=${srcdir}/libsanitizer; \
626 . ${srcdir}/configure.tgt; \
627 test -n "$UNSUPPORTED")
630 noconfigdirs="$noconfigdirs target-libsanitizer"
637 # Disable libvtv on unsupported systems.
638 if test -d ${srcdir}/libvtv; then
639 if test x$enable_libvtv = x; then
640 AC_MSG_CHECKING([for libvtv support])
641 if (srcdir=${srcdir}/libvtv; \
642 . ${srcdir}/configure.tgt; \
643 test "$VTV_SUPPORTED" != "yes")
646 noconfigdirs="$noconfigdirs target-libvtv"
653 # Disable libquadmath for some systems.
656 noconfigdirs="$noconfigdirs target-libquadmath"
658 # libquadmath is unused on AIX and libquadmath build process use of
659 # LD_LIBRARY_PATH can break AIX bootstrap.
660 powerpc-*-aix* | rs6000-*-aix*)
661 noconfigdirs="$noconfigdirs target-libquadmath"
665 # Disable libssp for some systems.
668 # No hosted I/O support.
669 noconfigdirs="$noconfigdirs target-libssp"
671 powerpc-*-aix* | rs6000-*-aix*)
672 noconfigdirs="$noconfigdirs target-libssp"
675 # libssp uses a misaligned load to trigger a fault, but the RL78
676 # doesn't fault for those - instead, it gives a build-time error
677 # for explicit misaligned loads.
678 noconfigdirs="$noconfigdirs target-libssp"
681 # No hosted I/O support.
682 noconfigdirs="$noconfigdirs target-libssp"
686 # Disable libstdc++-v3 for some systems.
687 # Allow user to override this if they pass --enable-libstdc++-v3
688 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
691 # VxWorks uses the Dinkumware C++ library.
692 noconfigdirs="$noconfigdirs target-libstdc++-v3"
695 # the C++ libraries don't build on top of CE's C libraries
696 noconfigdirs="$noconfigdirs target-libstdc++-v3"
699 noconfigdirs="$noconfigdirs target-libstdc++-v3"
704 # Disable Fortran for some systems.
707 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
708 unsupported_languages="$unsupported_languages fortran"
712 # Disable Java if libffi is not supported.
744 powerpc-*-aix* | rs6000-*-aix*)
748 powerpc64-*-freebsd*)
752 s390-*-* | s390x-*-*)
754 sh-*-* | sh[[34]]*-*-*)
763 unsupported_languages="$unsupported_languages java"
767 # Disable Java, libgcj or related libraries for some systems.
771 i[[3456789]]86-*-darwin*)
773 x86_64-*-darwin[[912]]*)
776 noconfigdirs="$noconfigdirs ${libgcj}"
779 noconfigdirs="$noconfigdirs ${libgcj}"
782 noconfigdirs="$noconfigdirs ${libgcj}"
785 noconfigdirs="$noconfigdirs ${libgcj}"
788 noconfigdirs="$noconfigdirs ${libgcj}"
791 noconfigdirs="$noconfigdirs ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj}"
803 noconfigdirs="$noconfigdirs ${libgcj}"
806 noconfigdirs="$noconfigdirs target-boehm-gc"
808 cris-*-* | crisv32-*-*)
809 unsupported_languages="$unsupported_languages java"
813 *) # See PR46792 regarding target-libffi.
814 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
818 # In this case, it's because the hppa64-linux target is for
819 # the kernel only at this point and has no libc, and thus no
820 # headers, crt*.o, etc., all of which are needed by these.
821 unsupported_languages="$unsupported_languages java"
824 noconfigdirs="$noconfigdirs ${libgcj}"
829 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
830 # build on HP-UX 10.20.
831 noconfigdirs="$noconfigdirs ${libgcj}"
834 noconfigdirs="$noconfigdirs ${libgcj}"
836 i[[3456789]]86-w64-mingw*)
837 noconfigdirs="$noconfigdirs ${libgcj}"
839 i[[3456789]]86-*-mingw*)
840 noconfigdirs="$noconfigdirs ${libgcj}"
843 noconfigdirs="$noconfigdirs ${libgcj}"
846 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
849 # copied from rs6000-*-* entry
850 noconfigdirs="$noconfigdirs ${libgcj}"
853 noconfigdirs="$noconfigdirs ${libgcj}"
856 noconfigdirs="$noconfigdirs ${libgcj}"
860 # Disable the go frontend on systems where it is known to not work. Please keep
861 # this in sync with contrib/config-list.mk.
863 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
864 unsupported_languages="$unsupported_languages go"
868 # Disable libgo for some systems where it is known to not work.
869 # For testing, you can easily override this with --enable-libgo.
870 if test x$enable_libgo = x; then
874 noconfigdirs="$noconfigdirs target-libgo"
876 *-*-cygwin* | *-*-mingw*)
877 noconfigdirs="$noconfigdirs target-libgo"
880 noconfigdirs="$noconfigdirs target-libgo"
885 # Default libgloss CPU subdirectory.
886 libgloss_dir="$target_cpu"
889 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
898 cris-*-* | crisv32-*-*)
907 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
924 # Disable newlib and libgloss for various target OSes.
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
929 i[[3456789]]86-*-linux*)
930 # This section makes it possible to build newlib natively on linux.
931 # If we are using a cross compiler then don't configure newlib.
932 if test x${is_cross_compiler} != xno ; then
933 noconfigdirs="$noconfigdirs target-newlib"
935 noconfigdirs="$noconfigdirs target-libgloss"
936 # If we are not using a cross compiler, do configure newlib.
937 # Note however, that newlib will only be configured in this situation
938 # if the --with-newlib option has been given, because otherwise
939 # 'target-newlib' will appear in skipdirs.
941 i[[3456789]]86-*-rdos*)
942 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
944 sh*-*-pe|mips*-*-pe|arm-wince-pe)
945 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
948 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
951 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
960 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
963 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
969 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
975 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
978 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
981 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
987 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 noconfigdirs="$noconfigdirs ld gas gdb gprof"
996 noconfigdirs="$noconfigdirs sim target-rda"
998 i[[3456789]]86-*-darwin*)
999 noconfigdirs="$noconfigdirs ld gprof"
1000 noconfigdirs="$noconfigdirs sim target-rda"
1002 x86_64-*-darwin[[912]]*)
1003 noconfigdirs="$noconfigdirs ld gas gprof"
1004 noconfigdirs="$noconfigdirs sim target-rda"
1007 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1008 noconfigdirs="$noconfigdirs sim target-rda"
1013 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1014 && test -f /usr/local/include/gmp.h; then
1019 # Remove unsupported stuff on all kaOS configurations.
1020 noconfigdirs="$noconfigdirs target-libgloss"
1027 noconfigdirs="$noconfigdirs target-libgloss"
1028 # this is not caught below because this stanza matches earlier
1030 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1033 # The tpf target doesn't support gdb yet.
1035 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1038 noconfigdirs="$noconfigdirs target-rda"
1043 # ld works, but does not support shared libraries.
1044 # gas doesn't generate exception information.
1045 noconfigdirs="$noconfigdirs gas ld"
1048 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1051 # newlib is not 64 bit ready
1052 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1054 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1055 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1058 noconfigdirs="$noconfigdirs target-libgloss"
1061 noconfigdirs="$noconfigdirs target-libgloss"
1064 noconfigdirs="$noconfigdirs ld target-libgloss"
1069 if test x${with_avrlibc} != xno; then
1070 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1073 c4x-*-* | tic4x-*-*)
1074 noconfigdirs="$noconfigdirs target-libgloss"
1077 noconfigdirs="$noconfigdirs target-libgloss gdb"
1080 noconfigdirs="$noconfigdirs target-libgloss"
1083 noconfigdirs="$noconfigdirs gdb"
1086 noconfigdirs="$noconfigdirs gdb"
1089 noconfigdirs="$noconfigdirs gprof"
1092 noconfigdirs="$noconfigdirs target-libgloss"
1095 noconfigdirs="$noconfigdirs target-libgloss"
1097 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1105 hppa*-*-openbsd* | \
1109 noconfigdirs="$noconfigdirs ld"
1114 noconfigdirs="$noconfigdirs ld"
1117 noconfigdirs="$noconfigdirs gdb"
1120 # No gdb support yet.
1121 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1124 # No ld support yet.
1125 noconfigdirs="$noconfigdirs libgui itcl ld"
1128 # No ld support yet.
1129 noconfigdirs="$noconfigdirs libgui itcl ld"
1131 i[[3456789]]86-w64-mingw*)
1133 i[[3456789]]86-*-mingw*)
1134 target_configdirs="$target_configdirs target-winsup"
1137 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1138 noconfigdirs="$noconfigdirs target-libgloss"
1139 # always build newlib if winsup directory is present.
1140 if test -d "$srcdir/winsup/cygwin"; then
1141 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1142 elif test -d "$srcdir/newlib"; then
1143 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1146 i[[3456789]]86-*-pe)
1147 noconfigdirs="$noconfigdirs target-libgloss"
1149 i[[3456789]]86-*-sco3.2v5*)
1150 # The linker does not yet know about weak symbols in COFF,
1151 # and is not configured to handle mixed ELF and COFF.
1152 noconfigdirs="$noconfigdirs ld target-libgloss"
1154 i[[3456789]]86-*-sco*)
1155 noconfigdirs="$noconfigdirs gprof target-libgloss"
1157 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1158 noconfigdirs="$noconfigdirs target-libgloss"
1160 i[[3456789]]86-*-sysv4*)
1161 noconfigdirs="$noconfigdirs target-libgloss"
1163 i[[3456789]]86-*-beos*)
1164 noconfigdirs="$noconfigdirs gdb"
1166 i[[3456789]]86-*-rdos*)
1167 noconfigdirs="$noconfigdirs gdb"
1170 noconfigdirs="$noconfigdirs gdb"
1173 noconfigdirs="$noconfigdirs sim"
1176 # copied from rs6000-*-* entry
1177 noconfigdirs="$noconfigdirs gprof"
1179 powerpc*-*-winnt* | powerpc*-*-pe*)
1180 target_configdirs="$target_configdirs target-winsup"
1181 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1182 # always build newlib.
1183 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1185 # This is temporary until we can link against shared libraries
1186 powerpcle-*-solaris*)
1187 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1190 noconfigdirs="$noconfigdirs gdb"
1193 noconfigdirs="$noconfigdirs gprof"
1196 noconfigdirs="$noconfigdirs gprof"
1199 noconfigdirs="$noconfigdirs gprof"
1202 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1205 noconfigdirs="$noconfigdirs gprof"
1207 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1208 if test x$with_newlib = xyes; then
1209 noconfigdirs="$noconfigdirs gprof"
1213 noconfigdirs="$noconfigdirs gprof target-libgloss"
1216 noconfigdirs="$noconfigdirs gprof target-libgloss"
1219 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1223 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1224 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1225 noconfigdirs="$noconfigdirs ld gas gprof"
1228 noconfigdirs="$noconfigdirs gprof"
1231 noconfigdirs="$noconfigdirs gdb"
1234 # nvptx is just a compiler
1235 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1238 noconfigdirs="$noconfigdirs gdb"
1245 noconfigdirs="$noconfigdirs target-libgloss" ;;
1249 if test x${is_cross_compiler} = xno ; then
1254 noconfigdirs="$noconfigdirs sim"
1256 tilepro*-*-* | tilegx*-*-*)
1257 noconfigdirs="$noconfigdirs sim"
1260 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1263 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1267 # If we aren't building newlib, then don't build libgloss, since libgloss
1268 # depends upon some newlib header files.
1269 case "${noconfigdirs}" in
1270 *target-libgloss*) ;;
1271 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1274 # Work in distributions that contain no compiler tools, like Autoconf.
1275 host_makefile_frag=/dev/null
1276 if test -d ${srcdir}/config ; then
1278 i[[3456789]]86-*-msdosdjgpp*)
1279 host_makefile_frag="config/mh-djgpp"
1282 ACX_CHECK_CYGWIN_CAT_WORKS
1283 host_makefile_frag="config/mh-cygwin"
1286 host_makefile_frag="config/mh-mingw"
1289 host_makefile_frag="config/mh-pa-hpux10"
1292 host_makefile_frag="config/mh-pa"
1295 host_makefile_frag="config/mh-pa"
1298 host_makefile_frag="config/mh-darwin"
1301 host_makefile_frag="config/mh-ppc-aix"
1304 host_makefile_frag="config/mh-ppc-aix"
1309 if test "${build}" != "${host}" ; then
1310 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1311 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1312 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1313 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1314 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1315 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1316 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1317 GUPC_FOR_BUILD=${GUPC_FOR_BUILD-gupc}
1318 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1319 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1320 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1321 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1322 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1323 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1325 AR_FOR_BUILD="\$(AR)"
1326 AS_FOR_BUILD="\$(AS)"
1327 CC_FOR_BUILD="\$(CC)"
1328 CXX_FOR_BUILD="\$(CXX)"
1329 GCJ_FOR_BUILD="\$(GCJ)"
1330 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1331 GOC_FOR_BUILD="\$(GOC)"
1332 GUPC_FOR_BUILD="\$(GUPC)"
1333 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1334 LD_FOR_BUILD="\$(LD)"
1335 NM_FOR_BUILD="\$(NM)"
1336 RANLIB_FOR_BUILD="\$(RANLIB)"
1337 WINDRES_FOR_BUILD="\$(WINDRES)"
1338 WINDMC_FOR_BUILD="\$(WINDMC)"
1344 # We must set the default linker to the linker used by gcc for the correct
1345 # operation of libtool. If LD is not defined and we are using gcc, try to
1346 # set the LD default to the ld used by gcc.
1347 if test -z "$LD"; then
1348 if test "$GCC" = yes; then
1351 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1353 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1355 case $gcc_prog_ld in
1356 # Accept absolute paths.
1357 [[\\/]* | [A-Za-z]:[\\/]*)]
1358 LD="$gcc_prog_ld" ;;
1363 # Check whether -static-libstdc++ -static-libgcc is supported.
1365 if test "$GCC" = yes; then
1366 saved_LDFLAGS="$LDFLAGS"
1368 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1369 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1372 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1373 #error -static-libstdc++ not implemented
1376 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1377 [AC_MSG_RESULT([no])])
1380 LDFLAGS="$saved_LDFLAGS"
1384 ACX_PROG_CMP_IGNORE_INITIAL
1386 AC_ARG_ENABLE([bootstrap],
1387 [AS_HELP_STRING([--enable-bootstrap],
1388 [enable bootstrapping @<:@yes if native build@:>@])],,
1389 enable_bootstrap=default)
1391 # Issue errors and warnings for invalid/strange bootstrap combinations.
1392 if test -r $srcdir/gcc/configure; then
1398 case "$have_compiler:$host:$target:$enable_bootstrap" in
1401 # Default behavior. Enable bootstrap if we have a compiler
1402 # and we are in a native configuration.
1403 yes:$build:$build:default)
1404 enable_bootstrap=yes ;;
1407 enable_bootstrap=no ;;
1409 # We have a compiler and we are in a native configuration, bootstrap is ok
1410 yes:$build:$build:yes)
1413 # Other configurations, but we have a compiler. Assume the user knows
1416 AC_MSG_WARN([trying to bootstrap a cross compiler])
1419 # No compiler: if they passed --enable-bootstrap explicitly, fail
1421 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1423 # Fail if wrong command line
1425 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1429 # Used for setting $lt_cv_objdir
1432 # Check for GMP, MPFR and MPC
1433 gmplibs="-lmpc -lmpfr -lgmp"
1437 # Specify a location for mpc
1438 # check for this first so it ends up on the link line before mpfr.
1440 [AS_HELP_STRING([--with-mpc=PATH],
1441 [specify prefix directory for installed MPC package.
1442 Equivalent to --with-mpc-include=PATH/include
1443 plus --with-mpc-lib=PATH/lib])])
1444 AC_ARG_WITH(mpc-include,
1445 [AS_HELP_STRING([--with-mpc-include=PATH],
1446 [specify directory for installed MPC include files])])
1447 AC_ARG_WITH(mpc-lib,
1448 [AS_HELP_STRING([--with-mpc-lib=PATH],
1449 [specify directory for the installed MPC library])])
1451 if test "x$with_mpc" != x; then
1452 gmplibs="-L$with_mpc/lib $gmplibs"
1453 gmpinc="-I$with_mpc/include $gmpinc"
1455 if test "x$with_mpc_include" != x; then
1456 gmpinc="-I$with_mpc_include $gmpinc"
1458 if test "x$with_mpc_lib" != x; then
1459 gmplibs="-L$with_mpc_lib $gmplibs"
1461 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1462 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1463 gmpinc='-I$$s/mpc/src '"$gmpinc"
1464 # Do not test the mpc version. Assume that it is sufficient, since
1465 # it is in the source tree, and the library has not been built yet
1466 # but it would be included on the link line in the version check below
1467 # hence making the test fail.
1471 # Specify a location for mpfr
1472 # check for this first so it ends up on the link line before gmp.
1473 AC_ARG_WITH(mpfr-dir,
1474 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1475 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1476 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1479 [AS_HELP_STRING([--with-mpfr=PATH],
1480 [specify prefix directory for installed MPFR package.
1481 Equivalent to --with-mpfr-include=PATH/include
1482 plus --with-mpfr-lib=PATH/lib])])
1483 AC_ARG_WITH(mpfr-include,
1484 [AS_HELP_STRING([--with-mpfr-include=PATH],
1485 [specify directory for installed MPFR include files])])
1486 AC_ARG_WITH(mpfr-lib,
1487 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1488 [specify directory for the installed MPFR library])])
1490 if test "x$with_mpfr" != x; then
1491 gmplibs="-L$with_mpfr/lib $gmplibs"
1492 gmpinc="-I$with_mpfr/include $gmpinc"
1494 if test "x$with_mpfr_include" != x; then
1495 gmpinc="-I$with_mpfr_include $gmpinc"
1497 if test "x$with_mpfr_lib" != x; then
1498 gmplibs="-L$with_mpfr_lib $gmplibs"
1500 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1501 # MPFR v3.1.0 moved the sources into a src sub-directory.
1502 if test -d ${srcdir}/mpfr/src; then
1503 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1504 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1505 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1507 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1508 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1509 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1511 # Do not test the mpfr version. Assume that it is sufficient, since
1512 # it is in the source tree, and the library has not been built yet
1513 # but it would be included on the link line in the version check below
1514 # hence making the test fail.
1518 # Specify a location for gmp
1519 AC_ARG_WITH(gmp-dir,
1520 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1521 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1522 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1525 [AS_HELP_STRING([--with-gmp=PATH],
1526 [specify prefix directory for the installed GMP package.
1527 Equivalent to --with-gmp-include=PATH/include
1528 plus --with-gmp-lib=PATH/lib])])
1529 AC_ARG_WITH(gmp-include,
1530 [AS_HELP_STRING([--with-gmp-include=PATH],
1531 [specify directory for installed GMP include files])])
1532 AC_ARG_WITH(gmp-lib,
1533 [AS_HELP_STRING([--with-gmp-lib=PATH],
1534 [specify directory for the installed GMP library])])
1537 if test "x$with_gmp" != x; then
1538 gmplibs="-L$with_gmp/lib $gmplibs"
1539 gmpinc="-I$with_gmp/include $gmpinc"
1541 if test "x$with_gmp_include" != x; then
1542 gmpinc="-I$with_gmp_include $gmpinc"
1544 if test "x$with_gmp_lib" != x; then
1545 gmplibs="-L$with_gmp_lib $gmplibs"
1547 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1548 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1549 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1550 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1551 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1552 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1553 # Do not test the gmp version. Assume that it is sufficient, since
1554 # it is in the source tree, and the library has not been built yet
1555 # but it would be included on the link line in the version check below
1556 # hence making the test fail.
1560 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1562 saved_CFLAGS="$CFLAGS"
1563 CFLAGS="$CFLAGS $gmpinc"
1564 # Check for the recommended and required versions of GMP.
1565 AC_MSG_CHECKING([for the correct version of gmp.h])
1566 AC_TRY_COMPILE([#include "gmp.h"],[
1567 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1568 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1569 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1572 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1573 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1574 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1575 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1578 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1579 [AC_MSG_RESULT([no]); have_gmp=no])
1581 # If we have GMP, check the MPFR version.
1582 if test x"$have_gmp" = xyes; then
1583 # Check for the recommended and required versions of MPFR.
1584 AC_MSG_CHECKING([for the correct version of mpfr.h])
1585 AC_TRY_COMPILE([#include <gmp.h>
1586 #include <mpfr.h>],[
1587 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1590 ], [AC_TRY_COMPILE([#include <gmp.h>
1591 #include <mpfr.h>],[
1592 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1595 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1596 [AC_MSG_RESULT([no]); have_gmp=no])
1599 # Check for the MPC header version.
1600 if test x"$have_gmp" = xyes ; then
1601 # Check for the recommended and required versions of MPC.
1602 AC_MSG_CHECKING([for the correct version of mpc.h])
1603 AC_TRY_COMPILE([#include <mpc.h>],[
1604 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1607 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1608 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1611 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1612 [AC_MSG_RESULT([no]); have_gmp=no])
1615 # Now check the MPFR library.
1616 if test x"$have_gmp" = xyes; then
1618 LIBS="$LIBS $gmplibs"
1619 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1620 AC_TRY_LINK([#include <mpc.h>],[
1627 mpfr_atan2 (n, n, x, GMP_RNDN);
1628 mpfr_erfc (n, x, GMP_RNDN);
1629 mpfr_subnormalize (x, t, GMP_RNDN);
1633 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1634 mpc_cosh (c, c, MPC_RNDNN);
1635 mpc_pow (c, c, c, MPC_RNDNN);
1636 mpc_acosh (c, c, MPC_RNDNN);
1638 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1642 CFLAGS="$saved_CFLAGS"
1644 # The library versions listed in the error message below should match
1645 # the HARD-minimums enforced above.
1646 if test x$have_gmp != xyes; then
1647 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1648 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1649 their locations. Source code for these libraries can be found at
1650 their respective hosting sites as well as at
1651 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1652 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1653 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1654 make sure that you have installed both the libraries and the header
1655 files. They may be located in separate packages.])
1659 # Flags needed for both GMP, MPFR and/or MPC.
1662 AC_SUBST(extra_mpfr_configure_flags)
1663 AC_SUBST(extra_mpc_gmp_configure_flags)
1664 AC_SUBST(extra_mpc_mpfr_configure_flags)
1665 AC_SUBST(extra_isl_gmp_configure_flags)
1667 # Allow host libstdc++ to be specified for static linking with PPL.
1668 AC_ARG_WITH(host-libstdcxx,
1669 [AS_HELP_STRING([--with-host-libstdcxx=L],
1670 [use linker arguments L to link with libstdc++
1671 when linking with PPL])])
1673 case $with_host_libstdcxx in
1675 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1679 # Libraries to use for stage1 or when not bootstrapping.
1680 AC_ARG_WITH(stage1-libs,
1681 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1682 [if test "$withval" = "no" -o "$withval" = "yes"; then
1685 stage1_libs=$withval
1687 [stage1_libs=$with_host_libstdcxx])
1688 AC_SUBST(stage1_libs)
1690 # Linker flags to use for stage1 or when not bootstrapping.
1691 AC_ARG_WITH(stage1-ldflags,
1692 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1693 [if test "$withval" = "no" -o "$withval" = "yes"; then
1696 stage1_ldflags=$withval
1699 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1700 # if supported. But if the user explicitly specified the libraries to use,
1701 # trust that they are doing what they want.
1702 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1703 stage1_ldflags="-static-libstdc++ -static-libgcc"
1705 AC_SUBST(stage1_ldflags)
1707 # Libraries to use for stage2 and later builds. This defaults to the
1708 # argument passed to --with-host-libstdcxx.
1709 AC_ARG_WITH(boot-libs,
1710 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1711 [if test "$withval" = "no" -o "$withval" = "yes"; then
1714 poststage1_libs=$withval
1716 [poststage1_libs=$with_host_libstdcxx])
1717 AC_SUBST(poststage1_libs)
1719 # Linker flags to use for stage2 and later builds.
1720 AC_ARG_WITH(boot-ldflags,
1721 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1722 [linker flags for stage2 and later])],
1723 [if test "$withval" = "no" -o "$withval" = "yes"; then
1726 poststage1_ldflags=$withval
1728 [poststage1_ldflags=
1729 # In stages 2 and 3, default to linking libstdc++ and libgcc
1730 # statically. But if the user explicitly specified the libraries to
1731 # use, trust that they are doing what they want.
1732 if test "$poststage1_libs" = ""; then
1733 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1735 AC_SUBST(poststage1_ldflags)
1737 # GCC GRAPHITE dependency ISL.
1738 # Basic setup is inlined here, actual checks are in config/isl.m4
1743 [Specify prefix directory for the installed ISL package.
1744 Equivalent to --with-isl-include=PATH/include
1745 plus --with-isl-lib=PATH/lib])])
1747 # Treat --without-isl as a request to disable
1748 # GRAPHITE support and skip all following checks.
1749 if test "x$with_isl" != "xno"; then
1751 dnl Provide configure switches and initialize islinc & isllibs
1752 dnl with user input.
1754 dnl The versions of ISL that work for Graphite
1756 dnl Only execute fail-action, if ISL has been requested.
1758 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1761 # If the ISL check failed, disable builds of in-tree variant of ISL
1762 if test "x$with_isl" = xno ||
1763 test "x$gcc_cv_isl" = xno; then
1764 noconfigdirs="$noconfigdirs isl"
1771 # Check for LTO support.
1773 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1774 enable_lto=$enableval,
1775 enable_lto=yes; default_enable_lto=yes)
1777 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1778 build_lto_plugin=yes
1779 ],[if test x"$default_enable_lto" = x"yes" ; then
1781 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1782 # On other non-ELF platforms, LTO has yet to be validated.
1786 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1787 # It would also be nice to check the binutils support, but we don't
1788 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1789 # warn during gcc/ subconfigure; unless you're bootstrapping with
1790 # -flto it won't be needed until after installation anyway.
1792 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1793 *) if test x"$enable_lto" = x"yes"; then
1794 AC_MSG_ERROR([LTO support is not enabled for this target.])
1799 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1800 # Build it unless LTO was explicitly disabled.
1802 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1807 AC_ARG_ENABLE(linker-plugin-configure-flags,
1808 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1809 [additional flags for configuring linker plugins @<:@none@:>@])],
1810 extra_linker_plugin_configure_flags=$enableval,
1811 extra_linker_plugin_configure_flags=)
1812 AC_SUBST(extra_linker_plugin_configure_flags)
1813 AC_ARG_ENABLE(linker-plugin-flags,
1814 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1815 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1816 extra_linker_plugin_flags=$enableval,
1817 extra_linker_plugin_flags=)
1818 AC_SUBST(extra_linker_plugin_flags)
1821 # By default, C and C++ are the only stage 1 languages.
1822 stage1_languages=,c,
1824 # Target libraries that we bootstrap.
1825 bootstrap_target_libs=,target-libgcc,
1827 # Figure out what language subdirectories are present.
1828 # Look if the user specified --enable-languages="..."; if not, use
1829 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1831 # NB: embedded tabs in this IF block -- do not untabify
1832 if test -d ${srcdir}/gcc; then
1833 if test x"${enable_languages+set}" != xset; then
1834 if test x"${LANGUAGES+set}" = xset; then
1835 enable_languages="${LANGUAGES}"
1836 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1838 enable_languages=all
1841 if test x"${enable_languages}" = x ||
1842 test x"${enable_languages}" = xyes;
1844 echo configure.in: --enable-languages needs at least one language argument 1>&2
1848 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1850 # 'f95' is the old name for the 'fortran' language. We issue a warning
1851 # and make the substitution.
1852 case ,${enable_languages}, in
1854 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1855 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1859 # If bootstrapping, C++ must be enabled.
1860 case ",$enable_languages,:$enable_bootstrap" in
1863 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1864 enable_languages="${enable_languages},c++"
1866 AC_MSG_ERROR([bootstrapping requires c++ sources])
1871 # First scan to see if an enabled language requires some other language.
1872 # We assume that a given config-lang.in will list all the language
1873 # front ends it requires, even if some are required indirectly.
1874 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1875 case ${lang_frag} in
1877 # The odd quoting in the next line works around
1878 # an apparent bug in bash 1.12 on linux.
1879 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1881 # From the config-lang.in, get $language, $lang_requires, and
1882 # $lang_requires_boot_languages.
1885 lang_requires_boot_languages=
1887 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1888 case ,${enable_languages}, in
1892 echo " \`$other' language required by \`$language'; enabling" 1>&2
1893 enable_languages="${enable_languages},${other}"
1897 for other in ${lang_requires_boot_languages} ; do
1898 if test "$other" != "c"; then
1899 case ,${enable_stage1_languages}, in
1903 case ,${enable_languages}, in
1905 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1906 enable_stage1_languages="$enable_stage1_languages,${other}"
1917 new_enable_languages=,c,
1919 # If LTO is enabled, add the LTO front end.
1920 if test "$enable_lto" = "yes" ; then
1921 case ,${enable_languages}, in
1923 *) enable_languages="${enable_languages},lto" ;;
1925 if test "${build_lto_plugin}" = "yes" ; then
1926 configdirs="$configdirs lto-plugin"
1930 # If we're building an offloading compiler, add the LTO front end.
1931 if test x"$enable_as_accelerator_for" != x ; then
1932 case ,${enable_languages}, in
1934 *) enable_languages="${enable_languages},lto" ;;
1938 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1939 potential_languages=,c,
1941 enabled_target_libs=
1942 disabled_target_libs=
1944 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1945 case ${lang_frag} in
1947 # The odd quoting in the next line works around
1948 # an apparent bug in bash 1.12 on linux.
1949 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1951 # From the config-lang.in, get $language, $target_libs,
1952 # $lang_dirs, $boot_language, and $build_by_default
1958 build_by_default=yes
1960 if test x${language} = x; then
1961 echo "${lang_frag} doesn't set \$language." 1>&2
1965 if test "$language" = "c++"; then
1970 case ,${enable_languages}, in
1972 # Language was explicitly selected; include it
1973 # unless it is C, which is enabled by default.
1974 if test "$language" != "c"; then
1979 # 'all' was selected, select it if it is a default language
1980 if test "$language" != "c"; then
1981 add_this_lang=${build_by_default}
1986 # Disable languages that need other directories if these aren't available.
1987 for i in $subdir_requires; do
1988 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1989 case ,${enable_languages}, in
1991 # Specifically requested language; tell them.
1992 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1996 add_this_lang=unsupported
2001 # Disable Ada if no preexisting GNAT is available.
2002 case ,${enable_languages},:${language}:${have_gnat} in
2003 *,${language},*:ada:no)
2004 # Specifically requested language; tell them.
2005 AC_MSG_ERROR([GNAT is required to build $language])
2009 add_this_lang=unsupported
2013 # Disable a language that is unsupported by the target.
2014 case " $unsupported_languages " in
2016 add_this_lang=unsupported
2020 case $add_this_lang in
2022 # Remove language-dependent dirs.
2023 disabled_target_libs="$disabled_target_libs $target_libs"
2024 noconfigdirs="$noconfigdirs $lang_dirs"
2027 # Remove language-dependent dirs; still show language as supported.
2028 disabled_target_libs="$disabled_target_libs $target_libs"
2029 noconfigdirs="$noconfigdirs $lang_dirs"
2030 potential_languages="${potential_languages}${language},"
2033 new_enable_languages="${new_enable_languages}${language},"
2034 potential_languages="${potential_languages}${language},"
2035 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2036 enabled_target_libs="$enabled_target_libs $target_libs"
2037 case "${boot_language}:,$enable_stage1_languages," in
2038 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2039 # Add to (comma-separated) list of stage 1 languages.
2040 case ",$stage1_languages," in
2041 *,$language,* | ,yes, | ,all,) ;;
2042 *) stage1_languages="${stage1_languages}${language}," ;;
2044 # We need to bootstrap any supporting libraries.
2045 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2054 # Add target libraries which are only needed for disabled languages
2056 if test -n "$disabled_target_libs"; then
2057 for dir in $disabled_target_libs; do
2058 case " $enabled_target_libs " in
2060 *) noconfigdirs="$noconfigdirs $dir" ;;
2065 AC_ARG_ENABLE(stage1-languages,
2066 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2067 [choose additional languages to build during
2068 stage1. Mostly useful for compiler development])],
2069 [case ,${enable_stage1_languages}, in
2071 # Set it to something that will have no effect in the loop below
2072 enable_stage1_languages=c ;;
2074 enable_stage1_languages=`echo $new_enable_languages | \
2075 sed -e "s/^,//" -e "s/,$//" ` ;;
2077 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2078 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2081 # Add "good" languages from enable_stage1_languages to stage1_languages,
2082 # while "bad" languages go in missing_languages. Leave no duplicates.
2083 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2084 case $potential_languages in
2086 case $stage1_languages in
2088 *) stage1_languages="$stage1_languages$i," ;;
2091 case $missing_languages in
2093 *) missing_languages="$missing_languages$i," ;;
2098 # Remove leading/trailing commas that were added for simplicity
2099 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2100 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2101 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2102 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2104 if test "x$missing_languages" != x; then
2106 The following requested languages could not be built: ${missing_languages}
2107 Supported languages are: ${potential_languages}])
2109 if test "x$new_enable_languages" != "x$enable_languages"; then
2110 echo The following languages will be built: ${new_enable_languages}
2111 enable_languages="$new_enable_languages"
2114 AC_SUBST(stage1_languages)
2115 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2118 # Handle --disable-<component> generically.
2119 for dir in $configdirs $build_configdirs $target_configdirs ; do
2120 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2121 varname=`echo $dirname | sed -e s/+/_/g`
2122 if eval test x\${enable_${varname}} "=" xno ; then
2123 noconfigdirs="$noconfigdirs $dir"
2127 # Check for Boehm's garbage collector
2128 AC_ARG_ENABLE(objc-gc,
2129 [AS_HELP_STRING([--enable-objc-gc],
2130 [enable use of Boehm's garbage collector with the
2131 GNU Objective-C runtime])],
2132 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2133 *,objc,*:*:yes:*target-boehm-gc*)
2134 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2138 # Make sure we only build Boehm's garbage collector if required.
2139 case ,${enable_languages},:${enable_objc_gc} in
2141 # Keep target-boehm-gc if requested for Objective-C.
2144 # Otherwise remove target-boehm-gc depending on target-libjava.
2145 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2146 noconfigdirs="$noconfigdirs target-boehm-gc"
2151 AC_ARG_WITH([upc-pts],
2153 [[--with-upc-pts=[{struct,packed}]]],
2154 [choose the default representation of a UPC pointer-to-shared]),
2156 if test "$withval"x != "struct"x && test "$withval"x != "packed"x; then \
2157 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
2161 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2162 case ,${enable_languages}, in
2164 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2165 case "${noconfigdirs}" in
2166 *target-libstdc++-v3*)
2167 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2173 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2177 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2178 # $build_configdirs and $target_configdirs.
2179 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2182 for dir in . $skipdirs $noconfigdirs ; do
2183 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2184 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2185 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2186 if test -r $srcdir/$dirname/configure ; then
2187 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2190 notsupp="$notsupp $dir"
2194 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2195 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2196 if test -r $srcdir/$dirname/configure ; then
2197 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2200 notsupp="$notsupp $dir"
2204 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2205 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2206 if test -r $srcdir/$dirname/configure ; then
2207 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2210 notsupp="$notsupp $dir"
2216 # Quietly strip out all directories which aren't configurable in this tree.
2217 # This relies on all configurable subdirectories being autoconfiscated, which
2219 build_configdirs_all="$build_configdirs"
2221 for i in ${build_configdirs_all} ; do
2222 j=`echo $i | sed -e s/build-//g`
2223 if test -f ${srcdir}/$j/configure ; then
2224 build_configdirs="${build_configdirs} $i"
2228 configdirs_all="$configdirs"
2230 for i in ${configdirs_all} ; do
2231 if test -f ${srcdir}/$i/configure ; then
2232 configdirs="${configdirs} $i"
2236 target_configdirs_all="$target_configdirs"
2238 for i in ${target_configdirs_all} ; do
2239 j=`echo $i | sed -e s/target-//g`
2240 if test -f ${srcdir}/$j/configure ; then
2241 target_configdirs="${target_configdirs} $i"
2245 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2246 # so we have to add it after the preceding checks.
2247 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2249 case " $configdirs " in
2251 # If we can build libiberty, we can also build libiberty-linker-plugin.
2252 configdirs="$configdirs libiberty-linker-plugin"
2253 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2254 --with-libiberty=../libiberty-linker-plugin";;
2256 AC_MSG_ERROR([libiberty missing]);;
2260 # Sometimes we have special requirements for the host libiberty.
2261 extra_host_libiberty_configure_flags=
2262 case " $configdirs " in
2263 *" lto-plugin "* | *" libcc1 "*)
2264 # When these are to be built as shared libraries, the same applies to
2266 extra_host_libiberty_configure_flags=--enable-shared
2269 AC_SUBST(extra_host_libiberty_configure_flags)
2271 # Produce a warning message for the subdirs we can't configure.
2272 # This isn't especially interesting in the Cygnus tree, but in the individual
2273 # FSF releases, it's important to let people know when their machine isn't
2274 # supported by the one or two programs in a package.
2276 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2277 # If $appdirs is non-empty, at least one of those directories must still
2278 # be configured, or we error out. (E.g., if the gas release supports a
2279 # specified target in some subdirs but not the gas subdir, we shouldn't
2280 # pretend that all is well.)
2281 if test -n "$appdirs" ; then
2282 for dir in $appdirs ; do
2283 if test -r $dir/Makefile.in ; then
2284 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2288 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2294 if test -n "$appdirs" ; then
2295 echo "*** This configuration is not supported by this package." 1>&2
2299 # Okay, some application will build, or we don't care to check. Still
2300 # notify of subdirs not getting built.
2301 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2302 echo " ${notsupp}" 1>&2
2303 echo " (Any other directories should still work fine.)" 1>&2
2311 # To find our prefix, in gcc_cv_tool_prefix.
2316 AC_ARG_WITH([build-sysroot],
2317 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2318 [use sysroot as the system root during the build])],
2319 [if test x"$withval" != x ; then
2320 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2322 [SYSROOT_CFLAGS_FOR_TARGET=])
2323 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2325 AC_ARG_WITH([debug-prefix-map],
2326 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2327 [map A to B, C to D ... in debug information])],
2328 [if test x"$withval" != x; then
2329 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2330 for debug_map in $withval; do
2331 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2334 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2335 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2337 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2338 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2339 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2340 # We want to ensure that TARGET libraries (which we know are built with
2341 # gcc) are built with "-O2 -g", so include those options when setting
2342 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2343 if test "x$CFLAGS_FOR_TARGET" = x; then
2344 CFLAGS_FOR_TARGET=$CFLAGS
2347 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2350 *" -g "* | *" -g3 "*) ;;
2351 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2354 AC_SUBST(CFLAGS_FOR_TARGET)
2356 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2357 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2358 case " $CXXFLAGS " in
2360 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2362 case " $CXXFLAGS " in
2363 *" -g "* | *" -g3 "*) ;;
2364 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2367 AC_SUBST(CXXFLAGS_FOR_TARGET)
2369 AC_SUBST(LDFLAGS_FOR_TARGET)
2371 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2372 # the named directory are copied to $(tooldir)/sys-include.
2373 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2374 if test x${is_cross_compiler} = xno ; then
2375 echo 1>&2 '***' --with-headers is only supported when cross compiling
2378 if test x"${with_headers}" != xyes ; then
2379 x=${gcc_cv_tool_prefix}
2380 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2384 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2385 # the name directories are copied to $(tooldir)/lib. Multiple directories
2387 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2388 if test x${is_cross_compiler} = xno ; then
2389 echo 1>&2 '***' --with-libs is only supported when cross compiling
2392 if test x"${with_libs}" != xyes ; then
2393 # Copy the libraries in reverse order, so that files in the first named
2394 # library override files in subsequent libraries.
2395 x=${gcc_cv_tool_prefix}
2396 for l in ${with_libs}; do
2397 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2402 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2404 # This is done by determining whether or not the appropriate directory
2405 # is available, and by checking whether or not specific configurations
2406 # have requested that this magic not happen.
2408 # The command line options always override the explicit settings in
2409 # configure.in, and the settings in configure.in override this magic.
2411 # If the default for a toolchain is to use GNU as and ld, and you don't
2412 # want to do that, then you should use the --without-gnu-as and
2413 # --without-gnu-ld options for the configure script. Similarly, if
2414 # the default is to use the included zlib and you don't want to do that,
2415 # you should use the --with-system-zlib option for the configure script.
2417 if test x${use_gnu_as} = x &&
2418 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2420 extra_host_args="$extra_host_args --with-gnu-as"
2423 if test x${use_gnu_ld} = x &&
2424 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2426 extra_host_args="$extra_host_args --with-gnu-ld"
2429 if test x${use_included_zlib} = x &&
2430 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2433 with_system_zlib=yes
2434 extra_host_args="$extra_host_args --with-system-zlib"
2437 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2438 # can detect this case.
2440 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2442 extra_host_args="$extra_host_args --with-newlib"
2445 # Handle ${copy_dirs}
2446 set fnord ${copy_dirs}
2448 while test $# != 0 ; do
2449 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2452 echo Copying $1 to $2
2454 # Use the install script to create the directory and all required
2455 # parent directories.
2456 if test -d $2 ; then
2460 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2463 # Copy the directory, assuming we have tar.
2464 # FIXME: Should we use B in the second tar? Not all systems support it.
2465 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2467 # It is the responsibility of the user to correctly adjust all
2468 # symlinks. If somebody can figure out how to handle them correctly
2469 # here, feel free to add the code.
2476 # Determine a target-dependent exec_prefix that the installed
2477 # gcc will search in. Keep this list sorted by triplet, with
2478 # the *-*-osname triplets last.
2481 i[[34567]]86-pc-msdosdjgpp*)
2482 md_exec_prefix=/dev/env/DJDIR/bin
2487 md_exec_prefix=/usr/ccs/bin
2491 extra_arflags_for_target=
2492 extra_nmflags_for_target=
2493 extra_ranlibflags_for_target=
2494 target_makefile_frag=/dev/null
2497 target_makefile_frag="config/mt-spu"
2499 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2500 target_makefile_frag="config/mt-sde"
2502 mipsisa*-*-elfoabi*)
2503 target_makefile_frag="config/mt-mips-elfoabi"
2505 mips*-*-*linux* | mips*-*-gnu*)
2506 target_makefile_frag="config/mt-mips-gnu"
2509 target_makefile_frag="config/mt-nios2-elf"
2511 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2512 target_makefile_frag="config/mt-gnu"
2514 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2515 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2516 # commands to handle both 32-bit and 64-bit objects. These flags are
2517 # harmless if we're using GNU nm or ar.
2518 extra_arflags_for_target=" -X32_64"
2519 extra_nmflags_for_target=" -B -X32_64"
2523 alphaieee_frag=/dev/null
2526 # This just makes sure to use the -mieee option to build target libs.
2527 # This should probably be set individually by each library.
2528 alphaieee_frag="config/mt-alphaieee"
2532 # If --enable-target-optspace always use -Os instead of -O2 to build
2533 # the target libraries, similarly if it is not specified, use -Os
2534 # on selected platforms.
2535 ospace_frag=/dev/null
2536 case "${enable_target_optspace}:${target}" in
2538 ospace_frag="config/mt-ospace"
2541 ospace_frag="config/mt-d30v"
2543 :m32r-* | :d10v-* | :fr30-*)
2544 ospace_frag="config/mt-ospace"
2549 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2553 # Some systems (e.g., one of the i386-aix systems the gas testers are
2554 # using) don't handle "\$" correctly, so don't use it here.
2555 tooldir='${exec_prefix}'/${target_noncanonical}
2556 build_tooldir=${tooldir}
2558 # Create a .gdbinit file which runs the one in srcdir
2559 # and tells GDB to look there for source files.
2561 if test -r ${srcdir}/.gdbinit ; then
2564 *) cat > ./.gdbinit <<EOF
2568 source ${srcdir}/.gdbinit
2574 # Make sure that the compiler is able to generate an executable. If it
2575 # can't, we are probably in trouble. We don't care whether we can run the
2576 # executable--we might be using a cross compiler--we only care whether it
2577 # can be created. At this point the main configure script has set CC.
2579 echo "int main () { return 0; }" > conftest.c
2580 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2581 if test $? = 0 ; then
2582 if test -s conftest || test -s conftest.exe ; then
2588 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2589 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2596 # Decide which environment variable is used to find dynamic libraries.
2598 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2599 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2600 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2601 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2604 # On systems where the dynamic library environment variable is PATH,
2605 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2606 # built executables to PATH.
2607 if test "$RPATH_ENVVAR" = PATH; then
2608 GCC_SHLIB_SUBDIR=/shlib
2613 # Adjust the toplevel makefile according to whether bootstrap was selected.
2614 case $enable_bootstrap in
2616 bootstrap_suffix=bootstrap
2617 BUILD_CONFIG=bootstrap-debug
2620 bootstrap_suffix=no-bootstrap
2625 AC_MSG_CHECKING(for default BUILD_CONFIG)
2627 AC_ARG_WITH([build-config],
2628 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2629 [use config/NAME.mk build configuration])],
2630 [case $with_build_config in
2631 yes) with_build_config= ;;
2632 no) with_build_config= BUILD_CONFIG= ;;
2635 if test "x${with_build_config}" != x; then
2636 BUILD_CONFIG=$with_build_config
2638 case $BUILD_CONFIG in
2640 if echo "int f (void) { return 0; }" > conftest.c &&
2641 ${CC} -c conftest.c &&
2642 mv conftest.o conftest.o.g0 &&
2643 ${CC} -c -g conftest.c &&
2644 mv conftest.o conftest.o.g &&
2645 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2650 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2654 AC_MSG_RESULT($BUILD_CONFIG)
2655 AC_SUBST(BUILD_CONFIG)
2657 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2658 AC_MSG_CHECKING([for --enable-vtable-verify])
2659 AC_ARG_ENABLE(vtable-verify,
2660 [ --enable-vtable-verify Enable vtable verification feature ],
2661 [case "$enableval" in
2662 yes) enable_vtable_verify=yes ;;
2663 no) enable_vtable_verify=no ;;
2664 *) enable_vtable_verify=no;;
2666 [enable_vtable_verify=no])
2667 AC_MSG_RESULT($enable_vtable_verify)
2669 # Record target_configdirs and the configure arguments for target and
2670 # build configuration in Makefile.
2671 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2672 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2673 bootstrap_fixincludes=no
2675 # If we are building libgomp, bootstrap it.
2676 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2677 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2680 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2681 # or bootstrap-ubsan, bootstrap it.
2682 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2683 case "$BUILD_CONFIG" in
2684 *bootstrap-asan* | *bootstrap-ubsan* )
2685 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2686 bootstrap_fixincludes=yes
2691 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2692 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2693 test "$enable_vtable_verify" != no; then
2694 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2697 # Determine whether gdb needs tk/tcl or not.
2698 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2699 # and in that case we want gdb to be built without tk. Ugh!
2700 # In fact I believe gdb is the *only* package directly dependent on tk,
2701 # so we should be able to put the 'maybe's in unconditionally and
2702 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2703 # 100% sure that that's safe though.
2705 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2706 case "$enable_gdbtk" in
2710 GDB_TK="${gdb_tk}" ;;
2712 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2713 # distro. Eventually someone will fix this and move Insight, nee
2714 # gdbtk to a separate directory.
2715 if test -d ${srcdir}/gdb/gdbtk ; then
2722 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2723 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2725 # Strip out unwanted targets.
2727 # While at that, we remove Makefiles if we were started for recursive
2728 # configuration, so that the top-level Makefile reconfigures them,
2729 # like we used to do when configure itself was recursive.
2731 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2732 # but now we're fixing up the Makefile ourselves with the additional
2733 # commands passed to AC_CONFIG_FILES. Use separate variables
2734 # extrasub-{build,host,target} not because there is any reason to split
2735 # the substitutions up that way, but only to remain below the limit of
2736 # 99 commands in a script, for HP-UX sed.
2737 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2739 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2740 yes:yes:*\ gold\ *:*,c++,*) ;;
2741 yes:yes:*\ gold\ *:*)
2742 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2747 for module in ${build_configdirs} ; do
2748 if test -z "${no_recursion}" \
2749 && test -f ${build_subdir}/${module}/Makefile; then
2750 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2751 rm -f ${build_subdir}/${module}/Makefile
2753 extrasub_build="$extrasub_build
2754 /^@if build-$module\$/d
2755 /^@endif build-$module\$/d
2756 /^@if build-$module-$bootstrap_suffix\$/d
2757 /^@endif build-$module-$bootstrap_suffix\$/d"
2760 for module in ${configdirs} ; do
2761 if test -z "${no_recursion}"; then
2762 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2763 if test -f ${file}; then
2764 echo 1>&2 "*** removing ${file} to force reconfigure"
2769 case ${module},${bootstrap_fixincludes} in
2770 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2771 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2773 extrasub_host="$extrasub_host
2775 /^@endif $module\$/d
2776 /^@if $module-$host_bootstrap_suffix\$/d
2777 /^@endif $module-$host_bootstrap_suffix\$/d"
2780 for module in ${target_configdirs} ; do
2781 if test -z "${no_recursion}" \
2782 && test -f ${target_subdir}/${module}/Makefile; then
2783 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2784 rm -f ${target_subdir}/${module}/Makefile
2787 # We only bootstrap target libraries listed in bootstrap_target_libs.
2788 case $bootstrap_target_libs in
2789 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2790 *) target_bootstrap_suffix=no-bootstrap ;;
2793 extrasub_target="$extrasub_target
2794 /^@if target-$module\$/d
2795 /^@endif target-$module\$/d
2796 /^@if target-$module-$target_bootstrap_suffix\$/d
2797 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2800 # Do the final fixup along with target modules.
2801 extrasub_target="$extrasub_target
2802 /^@if /,/^@endif /d"
2804 # Create the serialization dependencies. This uses a temporary file.
2806 AC_ARG_ENABLE([serial-configure],
2807 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2808 [force sequential configuration of
2809 sub-packages for the host, target or build
2810 machine, or all sub-packages])])
2812 case ${enable_serial_configure} in
2814 enable_serial_build_configure=yes
2815 enable_serial_host_configure=yes
2816 enable_serial_target_configure=yes
2820 # These force 'configure's to be done one at a time, to avoid problems
2821 # with contention over a shared config.cache.
2823 echo '# serdep.tmp' > serdep.tmp
2825 test "x${enable_serial_build_configure}" = xyes &&
2826 for item in ${build_configdirs} ; do
2829 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2834 test "x${enable_serial_host_configure}" = xyes &&
2835 for item in ${configdirs} ; do
2838 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2843 test "x${enable_serial_target_configure}" = xyes &&
2844 for item in ${target_configdirs} ; do
2847 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2851 serialization_dependencies=serdep.tmp
2852 AC_SUBST_FILE(serialization_dependencies)
2854 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2855 # target, nonopt, and variable assignments. These are the ones we
2856 # might not want to pass down to subconfigures. The exception being
2857 # --cache-file=/dev/null, which is used to turn off the use of cache
2858 # files altogether, and which should be passed on to subconfigures.
2859 # Also strip program-prefix, program-suffix, and program-transform-name,
2860 # so that we can pass down a consistent program-transform-name.
2865 eval "set -- $ac_configure_args"
2868 if test X"$skip_next" = X"yes"; then
2872 if test X"$keep_next" = X"yes"; then
2875 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2877 baseargs="$baseargs '$ac_arg'"
2878 tbaseargs="$tbaseargs '$ac_arg'"
2883 # Handle separated arguments. Based on the logic generated by
2886 *=* | --config-cache | -C | -disable-* | --disable-* \
2887 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2888 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2889 | -with-* | --with-* | -without-* | --without-* | --x)
2903 --with-* | --without-*)
2904 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2908 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2911 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2920 mpc | mpfr | gmp | isl)
2921 # If we're processing --with-$lib, --with-$lib-include or
2922 # --with-$lib-lib, for one of the libs above, and target is
2923 # different from host, don't pass the current argument to any
2924 # target library's configure.
2925 if test x$is_cross_compiler = xyes; then
2934 --cache-file=/dev/null | \
2935 -cache-file=/dev/null )
2936 # Handled here to avoid the test to skip args below.
2937 baseargs="$baseargs '$ac_arg'"
2938 tbaseargs="$tbaseargs '$ac_arg'"
2939 # Assert: $separate_arg should always be no.
2940 keep_next=$separate_arg
2956 -program-prefix* | \
2957 -program-suffix* | \
2958 -program-transform-name* )
2959 skip_next=$separate_arg
2963 # An option. Add it.
2966 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2968 baseargs="$baseargs '$ac_arg'"
2969 if test X"$skip_targ" = Xno; then
2970 tbaseargs="$tbaseargs '$ac_arg'"
2972 keep_next=$separate_arg
2975 # Either a variable assignment, or a nonopt (triplet). Don't
2976 # pass it down; let the Makefile handle this.
2981 # Remove the initial space we just introduced and, as these will be
2982 # expanded by make, quote '$'.
2983 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2985 # Add in --program-transform-name, after --program-prefix and
2986 # --program-suffix have been applied to it. Autoconf has already
2987 # doubled dollar signs and backslashes in program_transform_name; we want
2988 # the backslashes un-doubled, and then the entire thing wrapped in single
2989 # quotes, because this will be expanded first by make and then by the shell.
2990 # Also, because we want to override the logic in subdir configure scripts to
2991 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2992 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2993 ${program_transform_name}
2995 gcc_transform_name=`cat conftestsed.out`
2996 rm -f conftestsed.out
2997 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2998 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2999 if test "$silent" = yes; then
3000 baseargs="$baseargs --silent"
3001 tbaseargs="$tbaseargs --silent"
3003 baseargs="$baseargs --disable-option-checking"
3004 tbaseargs="$tbaseargs --disable-option-checking"
3006 # Record and document user additions to sub configure arguments.
3007 AC_ARG_VAR([build_configargs],
3008 [additional configure arguments for build directories])
3009 AC_ARG_VAR([host_configargs],
3010 [additional configure arguments for host directories])
3011 AC_ARG_VAR([target_configargs],
3012 [additional configure arguments for target directories])
3014 # For the build-side libraries, we just need to pretend we're native,
3015 # and not use the same cache file. Multilibs are neither needed nor
3016 # desired. We can't even use the same cache file for all build-side
3017 # libraries, as they're compiled differently; some with C, some with
3018 # C++ or with different feature-enabling options.
3019 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3021 # For host modules, accept cache file option, or specification as blank.
3022 case "${cache_file}" in
3024 cache_file_option="" ;;
3025 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3026 cache_file_option="--cache-file=${cache_file}" ;;
3028 cache_file_option="--cache-file=../${cache_file}" ;;
3031 # Host dirs don't like to share a cache file either, horribly enough.
3032 # This seems to be due to autoconf 2.5x stupidity.
3033 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3035 target_configargs="$target_configargs ${tbaseargs}"
3037 # Passing a --with-cross-host argument lets the target libraries know
3038 # whether they are being built with a cross-compiler or being built
3039 # native. However, it would be better to use other mechanisms to make the
3040 # sorts of decisions they want to make on this basis. Please consider
3041 # this option to be deprecated. FIXME.
3042 if test x${is_cross_compiler} = xyes ; then
3043 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3046 # Special user-friendly check for native x86_64-linux build, if
3047 # multilib is not explicitly enabled.
3048 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3049 x86_64-*linux*:yes:$build:$build:)
3050 # Make sure we have a developement environment that handles 32-bit
3052 echo "int main () { return 0; }" > conftest.c
3053 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3054 if test $? = 0 ; then
3055 if test -s conftest || test -s conftest.exe ; then
3060 if test x${dev64} != xyes ; then
3061 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
3066 # Default to --enable-multilib.
3067 if test x${enable_multilib} = x ; then
3068 target_configargs="--enable-multilib ${target_configargs}"
3071 # Pass --with-newlib if appropriate. Note that target_configdirs has
3072 # changed from the earlier setting of with_newlib.
3073 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3074 target_configargs="--with-newlib ${target_configargs}"
3077 # Different target subdirs use different values of certain variables
3078 # (notably CXX). Worse, multilibs use *lots* of different values.
3079 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3080 # it doesn't automatically accept command-line overrides of them.
3081 # This means it's not safe for target subdirs to share a cache file,
3082 # which is disgusting, but there you have it. Hopefully this can be
3083 # fixed in future. It's still worthwhile to use a cache file for each
3084 # directory. I think.
3086 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3087 # We need to pass --target, as newer autoconf's requires consistency
3088 # for target_alias and gcc doesn't manage it consistently.
3089 target_configargs="--cache-file=./config.cache ${target_configargs}"
3092 case " $target_configdirs " in
3094 case " $target_configargs " in
3095 *" --with-newlib "*)
3098 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3102 # If we're not building GCC, don't discard standard headers.
3103 if test -d ${srcdir}/gcc; then
3104 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3106 if test "${build}" != "${host}"; then
3107 # On Canadian crosses, CC_FOR_TARGET will have already been set
3108 # by `configure', so we won't have an opportunity to add -Bgcc/
3109 # to it. This is right: we don't want to search that directory
3110 # for binaries, but we want the header files in there, so add
3112 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3114 # Someone might think of using the pre-installed headers on
3115 # Canadian crosses, in case the installed compiler is not fully
3116 # compatible with the compiler being built. In this case, it
3117 # would be better to flag an error than risking having
3118 # incompatible object files being constructed. We can't
3119 # guarantee that an error will be flagged, but let's hope the
3120 # compiler will do it, when presented with incompatible header
3125 case "${target}-${is_cross_compiler}" in
3126 i[[3456789]]86-*-linux*-no)
3127 # Here host == target, so we don't need to build gcc,
3128 # so we don't want to discard standard headers.
3129 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3132 # If we're building newlib, use its generic headers last, but search
3133 # for any libc-related directories first (so make it the last -B
3135 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3137 # If we're building libgloss, find the startup file, simulator library
3138 # and linker script.
3139 case " $target_configdirs " in
3141 # Look for startup file, simulator library and maybe linker script.
3142 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3143 # Look for libnosys.a in case the target needs it.
3144 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3145 # Most targets have the linker script in the source directory.
3146 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3157 x86_64-*mingw* | *-w64-mingw*)
3158 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3159 # however, use a symlink named 'mingw' in ${prefix} .
3160 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3163 # MinGW can't be handled as Cygwin above since it does not use newlib.
3164 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3168 # Allow the user to override the flags for
3169 # our build compiler if desired.
3170 if test x"${build}" = x"${host}" ; then
3171 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3172 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3173 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3176 # On Canadian crosses, we'll be searching the right directories for
3177 # the previously-installed cross compiler, so don't bother to add
3178 # flags for directories within the install tree of the compiler
3179 # being built; programs in there won't even run.
3180 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3181 # Search for pre-installed headers if nothing else fits.
3182 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3185 if test "x${use_gnu_ld}" = x &&
3186 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3187 # Arrange for us to find uninstalled linker scripts.
3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3191 # Search for other target-specific linker scripts and such.
3194 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3198 # UPC linker script check
3199 AC_MSG_CHECKING([for UPC link script support])
3200 AC_ARG_ENABLE(upc-link-script,
3202 [--enable-upc-link-script],
3203 [enable UPC's use of a custom linker script;
3204 this will define the UPC shared section as a no load section on
3205 targets where this feature is supported (requires GNU LD)]),
3210 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
3215 if test x${use_gnu_ld} != xno ; then
3217 # disable linker script for Apple Mac OS X
3219 enable_upc_link_script=no
3222 enable_upc_link_script=yes
3226 enable_upc_link_script=no
3228 if test "$enable_upc_link_script" = yes; then
3229 target_configargs="${target_configargs} --enable-upc-link-script"
3230 host_configargs="${host_configargs} --enable-upc-link-script"
3233 if test "$enable_upc_link_script" = yes; then
3234 AC_MSG_RESULT([yes]);
3236 AC_MSG_RESULT([no]);
3240 # Makefile fragments.
3241 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3243 eval fragval=\$$frag
3244 if test $fragval != /dev/null; then
3245 eval $frag=${srcdir}/$fragval
3248 AC_SUBST_FILE(host_makefile_frag)
3249 AC_SUBST_FILE(target_makefile_frag)
3250 AC_SUBST_FILE(alphaieee_frag)
3251 AC_SUBST_FILE(ospace_frag)
3253 # Miscellanea: directories, flags, etc.
3254 AC_SUBST(RPATH_ENVVAR)
3255 AC_SUBST(GCC_SHLIB_SUBDIR)
3257 AC_SUBST(build_tooldir)
3258 AC_SUBST(CONFIGURE_GDB_TK)
3260 AC_SUBST(INSTALL_GDB_TK)
3262 # Build module lists & subconfigure args.
3263 AC_SUBST(build_configargs)
3264 AC_SUBST(build_configdirs)
3266 # Host module lists & subconfigure args.
3267 AC_SUBST(host_configargs)
3268 AC_SUBST(configdirs)
3269 AC_SUBST(target_configdirs)
3271 # Target module lists & subconfigure args.
3272 AC_SUBST(target_configargs)
3276 AC_SUBST(AR_FOR_BUILD)
3277 AC_SUBST(AS_FOR_BUILD)
3278 AC_SUBST(CC_FOR_BUILD)
3279 AC_SUBST(CFLAGS_FOR_BUILD)
3280 AC_SUBST(CXXFLAGS_FOR_BUILD)
3281 AC_SUBST(CXX_FOR_BUILD)
3282 AC_SUBST(DLLTOOL_FOR_BUILD)
3283 AC_SUBST(GCJ_FOR_BUILD)
3284 AC_SUBST(GFORTRAN_FOR_BUILD)
3285 AC_SUBST(GOC_FOR_BUILD)
3286 AC_SUBST(GUPC_FOR_BUILD)
3287 AC_SUBST(LDFLAGS_FOR_BUILD)
3288 AC_SUBST(LD_FOR_BUILD)
3289 AC_SUBST(NM_FOR_BUILD)
3290 AC_SUBST(RANLIB_FOR_BUILD)
3291 AC_SUBST(WINDMC_FOR_BUILD)
3292 AC_SUBST(WINDRES_FOR_BUILD)
3294 # Generate default definitions for YACC, M4, LEX and other programs that run
3295 # on the build machine. These are used if the Makefile can't locate these
3296 # programs in objdir.
3297 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3299 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3300 case " $build_configdirs " in
3301 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3304 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3305 case " $build_configdirs " in
3306 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3309 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3310 case " $build_configdirs " in
3311 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3314 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3315 case " $build_configdirs " in
3316 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3317 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3320 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3321 case " $build_configdirs " in
3322 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3325 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3326 case " $build_configdirs " in
3327 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3330 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3331 # higher, else we use the "missing" dummy.
3332 if ${MAKEINFO} --version \
3333 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3336 MAKEINFO="$MISSING makeinfo"
3342 # FIXME: expect and dejagnu may become build tools?
3344 AC_CHECK_PROGS(EXPECT, expect, expect)
3345 case " $configdirs " in
3347 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3351 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3352 case " $configdirs " in
3354 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3360 NCN_STRICT_CHECK_TOOLS(AR, ar)
3361 NCN_STRICT_CHECK_TOOLS(AS, as)
3362 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3363 NCN_STRICT_CHECK_TOOLS(LD, ld)
3364 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3365 NCN_STRICT_CHECK_TOOLS(NM, nm)
3366 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3367 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3368 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3369 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3370 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3371 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3372 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3379 AC_ARG_WITH([build-time-tools],
3380 [AS_HELP_STRING([--with-build-time-tools=PATH],
3381 [use given path to find target tools during the build])],
3382 [case x"$withval" in
3385 with_build_time_tools=
3386 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3389 [with_build_time_tools=])
3391 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3392 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3393 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3394 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3395 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3396 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3397 NCN_STRICT_CHECK_TARGET_TOOLS(GUPC_FOR_TARGET, gupc)
3399 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3400 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3401 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3402 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3403 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3404 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3405 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3406 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3407 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3408 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3409 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3410 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3411 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3413 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3415 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3416 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3417 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3418 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3419 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3420 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3422 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3423 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3425 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3426 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3427 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3428 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3429 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3430 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3431 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3432 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3433 GCC_TARGET_TOOL(gupc, GUPC_FOR_TARGET, GUPC,
3434 [gcc/gupc -B$$r/$(HOST_SUBDIR)/gcc/], upc)
3435 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3436 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3437 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3438 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3439 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3440 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3441 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3442 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3443 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3444 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3446 AC_SUBST(FLAGS_FOR_TARGET)
3447 AC_SUBST(RAW_CXX_FOR_TARGET)
3449 # Certain tools may need extra flags.
3450 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3451 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3452 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3454 # When building target libraries, except in a Canadian cross, we use
3455 # the same toolchain as the compiler we just built.
3456 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3457 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3458 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3459 if test $host = $build; then
3460 case " $configdirs " in
3462 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3463 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3464 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3469 AC_SUBST(COMPILER_AS_FOR_TARGET)
3470 AC_SUBST(COMPILER_LD_FOR_TARGET)
3471 AC_SUBST(COMPILER_NM_FOR_TARGET)
3473 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3474 AC_ARG_ENABLE(maintainer-mode,
3475 [AS_HELP_STRING([--enable-maintainer-mode],
3476 [enable make rules and dependencies not useful
3477 (and sometimes confusing) to the casual installer])],
3478 USE_MAINTAINER_MODE=$enableval,
3479 USE_MAINTAINER_MODE=no)
3480 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3481 AC_SUBST(MAINTAINER_MODE_TRUE)
3482 AC_SUBST(MAINTAINER_MODE_FALSE)
3483 if test "$USE_MAINTAINER_MODE" = yes; then
3484 MAINTAINER_MODE_TRUE=
3485 MAINTAINER_MODE_FALSE='#'
3487 MAINTAINER_MODE_TRUE='#'
3488 MAINTAINER_MODE_FALSE=
3490 MAINT=$MAINTAINER_MODE_TRUE
3493 # ---------------------
3494 # GCC bootstrap support
3495 # ---------------------
3497 # Stage specific cflags for build.
3502 yes) stage1_cflags="-g -Wa,-J" ;;
3503 *) stage1_cflags="-g -J" ;;
3507 AC_SUBST(stage1_cflags)
3509 # Enable --enable-checking in stage1 of the compiler.
3510 AC_ARG_ENABLE(stage1-checking,
3511 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3512 [choose additional checking for stage1 of the compiler])],
3513 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3514 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3515 stage1_checking=--enable-checking=yes,types
3517 stage1_checking=--enable-checking=$enable_checking,types
3519 AC_SUBST(stage1_checking)
3521 # Enable -Werror in bootstrap stage2 and later.
3522 AC_ARG_ENABLE(werror,
3523 [AS_HELP_STRING([--enable-werror],
3524 [enable -Werror in bootstrap stage2 and later])], [],
3525 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3530 case ${enable_werror} in
3531 yes) stage2_werror_flag="--enable-werror-always" ;;
3532 *) stage2_werror_flag="" ;;
3534 AC_SUBST(stage2_werror_flag)
3536 # Enable --enable-host-shared.
3537 AC_ARG_ENABLE(host-shared,
3538 [AS_HELP_STRING([--enable-host-shared],
3539 [build host code as shared libraries])],
3540 [host_shared=$enableval], [host_shared=no])
3541 AC_SUBST(host_shared)
3543 # PR jit/64780: Require the user to explicitly specify
3544 # --enable-host-shared if the jit is enabled, hinting
3545 # that they might want to do a separate configure/build of
3546 # the jit, to avoid users from slowing down the rest of the
3547 # compiler by enabling the jit.
3548 if test ${host_shared} = "no" ; then
3549 case "${enable_languages}" in
3552 Enabling language "jit" requires --enable-host-shared.
3554 --enable-host-shared typically slows the rest of the compiler down by
3555 a few %, so you must explicitly enable it.
3557 If you want to build both the jit and the regular compiler, it is often
3558 best to do this via two separate configure/builds, in separate
3559 directories, to avoid imposing the performance cost of
3560 --enable-host-shared on the regular compiler.])
3567 # Specify what files to not compare during bootstrap.
3569 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3571 hppa*64*-*-hpux*) ;;
3572 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3573 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3575 AC_SUBST(compare_exclusions)
3577 AC_CONFIG_FILES([Makefile],
3578 [sed "$extrasub_build" Makefile |
3579 sed "$extrasub_host" |
3580 sed "$extrasub_target" > mf$$
3581 mv -f mf$$ Makefile],
3582 [extrasub_build="$extrasub_build"
3583 extrasub_host="$extrasub_host"
3584 extrasub_target="$extrasub_target"])