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, 2016, 2019 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(config/ax_cxx_compile_stdcxx.m4)
27 m4_include([libtool.m4])
28 m4_include([ltoptions.m4])
29 m4_include([ltsugar.m4])
30 m4_include([ltversion.m4])
31 m4_include([lt~obsolete.m4])
32 m4_include([config/isl.m4])
34 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 libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
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 gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
153 target-liboffloadmic \
156 target-libstdc++-v3 \
157 target-libsanitizer \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 AC_ARG_WITH(system-zlib,
243 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # some tools are so dependent upon X11 that if we're not building with X,
251 # it's not even worth trying to configure, much less build, that tool.
254 yes | "") ;; # the default value for this tree is that X11 is available
256 skipdirs="${skipdirs} tk itcl libgui"
257 # We won't be able to build gdbtk without X.
260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263 # Some are only suitable for cross toolchains.
264 # Remove these if host=target.
265 cross_only="target-libgloss target-newlib target-opcodes"
267 case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
271 # If both --with-headers and --with-libs are specified, default to
273 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
275 if test x"${with_newlib}" = x ; then
280 # Recognize --with-newlib/--without-newlib.
281 case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286 AC_ARG_ENABLE(as-accelerator-for,
287 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
288 [build as offload target compiler.
289 Specify offload host triple by ARG])])
291 AC_ARG_ENABLE(offload-targets,
292 [AS_HELP_STRING([--enable-offload-targets=LIST],
293 [enable offloading to devices from comma-separated LIST of
294 TARGET[=DIR]. Use optional path to find offload target compiler
297 if test x"$enable_offload_targets" = x; then
298 AC_MSG_ERROR([no offload targets specified])
300 ], [enable_offload_targets=])
302 AC_ARG_ENABLE(offload-defaulted,
303 [AS_HELP_STRING([--enable-offload-defaulted]
304 [If enabled, configured but not installed offload compilers and
305 libgomp plugins are silently ignored. Useful for distribution
306 compilers where those are in separate optional packages.])],
307 [enable_offload_defaulted=$enableval],
308 [enable_offload_defaulted=])
310 # Handle --enable-gold, --enable-ld.
311 # --disable-gold [--enable-ld]
312 # Build only ld. Default option.
313 # --enable-gold [--enable-ld]
314 # Build both gold and ld. Install gold as "ld.gold", install ld
315 # as "ld.bfd" and "ld".
316 # --enable-gold=default [--enable-ld]
317 # Build both gold and ld. Install gold as "ld.gold" and "ld",
318 # install ld as "ld.bfd".
319 # --enable-gold[=default] --disable-ld
320 # Build only gold, which is then installed as both "ld.gold" and "ld".
321 # --enable-gold --enable-ld=default
322 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
324 # In other words, ld is default
325 # --enable-gold=default --enable-ld=default
330 [AS_HELP_STRING([[--enable-gold[=ARG]]],
331 [build gold @<:@ARG={default,yes,no}@:>@])],
332 ENABLE_GOLD=$enableval,
334 case "${ENABLE_GOLD}" in
336 # Check for ELF target.
339 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
340 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
341 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
342 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
344 *-*-linux*aout* | *-*-linux*oldld*)
352 if test "$is_elf" = "yes"; then
353 # Check for target supported by gold.
355 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
356 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
357 configdirs="$configdirs gold"
358 if test x${ENABLE_GOLD} = xdefault; then
369 AC_MSG_ERROR([invalid --enable-gold argument])
374 [AS_HELP_STRING([[--enable-ld[=ARG]]],
375 [build ld @<:@ARG={default,yes,no}@:>@])],
376 ENABLE_LD=$enableval,
379 case "${ENABLE_LD}" in
381 if test x${default_ld} != x; then
382 AC_MSG_ERROR([either gold or ld can be the default ld])
388 if test x${ENABLE_GOLD} != xyes; then
389 AC_MSG_WARN([neither ld nor gold are enabled])
391 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
394 AC_MSG_ERROR([invalid --enable-ld argument])
399 # Decide the default method for compressing debug sections.
400 # Provide a configure time option to override our default.
401 AC_ARG_ENABLE(compressed_debug_sections,
402 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
403 [Enable compressed debug sections for gas, gold or ld by
406 if test x"$enable_compressed_debug_sections" = xyes; then
407 AC_MSG_ERROR([no program with compressed debug sections specified])
409 ], [enable_compressed_debug_sections=])
411 # Configure extra directories which are host specific
415 configdirs="$configdirs libtermcap" ;;
418 # A target can indicate whether a language isn't supported for some reason.
419 # Only spaces may be used in this macro; not newlines or tabs.
420 unsupported_languages=
422 # Remove more programs from consideration, based on the host or
423 # target this usually means that a port of the program doesn't
427 i[[3456789]]86-*-msdosdjgpp*)
428 noconfigdirs="$noconfigdirs tcl tk itcl"
433 AC_ARG_ENABLE(libquadmath,
434 AS_HELP_STRING([--disable-libquadmath],
435 [do not build libquadmath directory]),
436 ENABLE_LIBQUADMATH=$enableval,
437 ENABLE_LIBQUADMATH=yes)
438 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
439 noconfigdirs="$noconfigdirs target-libquadmath"
443 AC_ARG_ENABLE(libquadmath-support,
444 AS_HELP_STRING([--disable-libquadmath-support],
445 [disable libquadmath support for Fortran]),
446 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
447 ENABLE_LIBQUADMATH_SUPPORT=yes)
448 enable_libquadmath_support=
449 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
450 enable_libquadmath_support=no
454 AC_ARG_ENABLE(libada,
455 [AS_HELP_STRING([--enable-libada], [build libada directory])],
456 ENABLE_LIBADA=$enableval,
458 if test "${ENABLE_LIBADA}" != "yes" ; then
459 noconfigdirs="$noconfigdirs gnattools"
462 AC_ARG_ENABLE(libssp,
463 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
464 ENABLE_LIBSSP=$enableval,
467 AC_ARG_ENABLE(libstdcxx,
468 AS_HELP_STRING([--disable-libstdcxx],
469 [do not build libstdc++-v3 directory]),
470 ENABLE_LIBSTDCXX=$enableval,
471 ENABLE_LIBSTDCXX=default)
472 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
473 noconfigdirs="$noconfigdirs target-libstdc++-v3"
476 # If this is accelerator compiler and its target is intelmic we enable
477 # target liboffloadmic by default. If this is compiler with offloading
478 # for intelmic we enable host liboffloadmic by default. Otherwise
479 # liboffloadmic is disabled by default.
480 AC_ARG_ENABLE([liboffloadmic],
481 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
482 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
483 [case "$enableval" in
485 enable_liboffloadmic=$enableval ;;
487 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
489 [if test x"$enable_as_accelerator_for" != x; then
491 *-intelmic-* | *-intelmicemul-*)
492 enable_liboffloadmic=target
493 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
496 enable_liboffloadmic=no
500 case "${enable_offload_targets}" in
501 *-intelmic-* | *-intelmicemul-*)
502 enable_liboffloadmic=host
503 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
506 enable_liboffloadmic=no
510 AC_SUBST(extra_liboffloadmic_configure_flags)
512 # Enable libgomp by default on hosted POSIX systems, and a few others.
513 if test x$enable_libgomp = x ; then
515 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
517 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
519 *-*-solaris2* | *-*-hpux11*)
521 *-*-darwin* | *-*-aix*)
523 nvptx*-*-* | amdgcn*-*-*)
526 noconfigdirs="$noconfigdirs target-libgomp"
531 # Disable libatomic on unsupported systems.
532 if test -d ${srcdir}/libatomic; then
533 if test x$enable_libatomic = x; then
534 AC_MSG_CHECKING([for libatomic support])
535 if (srcdir=${srcdir}/libatomic; \
536 . ${srcdir}/configure.tgt; \
537 test -n "$UNSUPPORTED")
540 noconfigdirs="$noconfigdirs target-libatomic"
547 # Disable liboffloadmic on unsupported systems.
548 if test -d ${srcdir}/liboffloadmic; then
549 if test x$enable_liboffloadmic != xno; then
550 AC_MSG_CHECKING([for liboffloadmic support])
551 if (srcdir=${srcdir}/liboffloadmic; \
552 . ${srcdir}/configure.tgt; \
553 test -n "$UNSUPPORTED")
556 noconfigdirs="$noconfigdirs target-liboffloadmic"
563 # Disable libitm on unsupported systems.
564 if test -d ${srcdir}/libitm; then
565 if test x$enable_libitm = x; then
566 AC_MSG_CHECKING([for libitm support])
567 if (srcdir=${srcdir}/libitm; \
568 . ${srcdir}/configure.tgt; \
569 test -n "$UNSUPPORTED")
572 noconfigdirs="$noconfigdirs target-libitm"
579 # Disable libsanitizer on unsupported systems.
580 if test -d ${srcdir}/libsanitizer; then
581 if test x$enable_libsanitizer = x; then
582 AC_MSG_CHECKING([for libsanitizer support])
583 if (srcdir=${srcdir}/libsanitizer; \
584 . ${srcdir}/configure.tgt; \
585 test -n "$UNSUPPORTED")
588 noconfigdirs="$noconfigdirs target-libsanitizer"
595 # Disable libvtv on unsupported systems.
596 if test -d ${srcdir}/libvtv; then
597 if test x$enable_libvtv = x; then
598 AC_MSG_CHECKING([for libvtv support])
599 if (srcdir=${srcdir}/libvtv; \
600 . ${srcdir}/configure.tgt; \
601 test "$VTV_SUPPORTED" != "yes")
604 noconfigdirs="$noconfigdirs target-libvtv"
611 # Disable libquadmath for some systems.
614 noconfigdirs="$noconfigdirs target-libquadmath"
616 # libquadmath is unused on AIX and libquadmath build process use of
617 # LD_LIBRARY_PATH can break AIX bootstrap.
618 powerpc-*-aix* | rs6000-*-aix*)
619 noconfigdirs="$noconfigdirs target-libquadmath"
623 # Disable libssp for some systems.
626 # No hosted I/O support.
627 noconfigdirs="$noconfigdirs target-libssp"
630 noconfigdirs="$noconfigdirs target-libssp"
632 powerpc-*-aix* | rs6000-*-aix*)
633 noconfigdirs="$noconfigdirs target-libssp"
636 # No hosted I/O support.
637 noconfigdirs="$noconfigdirs target-libssp"
640 # libssp uses a misaligned load to trigger a fault, but the RL78
641 # doesn't fault for those - instead, it gives a build-time error
642 # for explicit misaligned loads.
643 noconfigdirs="$noconfigdirs target-libssp"
646 # No hosted I/O support.
647 noconfigdirs="$noconfigdirs target-libssp"
651 # Disable libstdc++-v3 for some systems.
652 # Allow user to override this if they pass --enable-libstdc++-v3
653 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
656 # VxWorks uses the Dinkumware C++ library.
657 noconfigdirs="$noconfigdirs target-libstdc++-v3"
660 # Not ported/fails to build when using newlib.
661 noconfigdirs="$noconfigdirs target-libstdc++-v3"
664 # the C++ libraries don't build on top of CE's C libraries
665 noconfigdirs="$noconfigdirs target-libstdc++-v3"
668 noconfigdirs="$noconfigdirs target-libstdc++-v3"
671 noconfigdirs="$noconfigdirs target-libstdc++-v3"
674 noconfigdirs="$noconfigdirs target-libstdc++-v3"
679 # Disable C++ on systems where it is known to not work.
680 # For testing, you can override this with --enable-languages=c++.
681 case ,${enable_languages}, in
687 unsupported_languages="$unsupported_languages c++"
693 # Disable Objc on systems where it is known to not work.
694 # For testing, you can override this with --enable-languages=objc.
695 case ,${enable_languages}, in
701 unsupported_languages="$unsupported_languages objc"
707 # Disable D on systems where it is known to not work.
708 # For testing, you can override this with --enable-languages=d.
709 case ,${enable_languages}, in
715 unsupported_languages="$unsupported_languages d"
721 # Disable libphobos on unsupported systems.
722 # For testing, you can override this with --enable-libphobos.
723 if test -d ${srcdir}/libphobos; then
724 if test x$enable_libphobos = x; then
725 AC_MSG_CHECKING([for libphobos support])
726 if (srcdir=${srcdir}/libphobos; \
727 . ${srcdir}/configure.tgt; \
728 test "$LIBPHOBOS_SUPPORTED" != "yes")
731 noconfigdirs="$noconfigdirs target-libphobos"
738 # Disable Fortran for some systems.
741 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
742 unsupported_languages="$unsupported_languages fortran"
745 unsupported_languages="$unsupported_languages fortran"
749 # Disable libffi for some systems.
753 i[[3456789]]86-*-darwin*)
755 x86_64-*-darwin[[912]]*)
758 noconfigdirs="$noconfigdirs target-libffi"
761 noconfigdirs="$noconfigdirs target-libffi"
764 noconfigdirs="$noconfigdirs target-libffi"
767 noconfigdirs="$noconfigdirs target-libffi"
770 noconfigdirs="$noconfigdirs target-libffi"
773 noconfigdirs="$noconfigdirs target-libffi"
776 noconfigdirs="$noconfigdirs target-libffi"
779 noconfigdirs="$noconfigdirs target-libffi"
782 noconfigdirs="$noconfigdirs target-libffi"
785 noconfigdirs="$noconfigdirs target-libffi"
788 noconfigdirs="$noconfigdirs target-libffi"
791 noconfigdirs="$noconfigdirs target-libffi"
794 noconfigdirs="$noconfigdirs target-libffi"
796 cris-*-* | crisv32-*-*)
800 *) # See PR46792 regarding target-libffi.
801 noconfigdirs="$noconfigdirs target-libffi";;
805 noconfigdirs="$noconfigdirs target-libffi"
810 noconfigdirs="$noconfigdirs target-libffi"
813 noconfigdirs="$noconfigdirs target-libffi"
815 i[[3456789]]86-w64-mingw*)
816 noconfigdirs="$noconfigdirs target-libffi"
818 i[[3456789]]86-*-mingw*)
819 noconfigdirs="$noconfigdirs target-libffi"
822 noconfigdirs="$noconfigdirs target-libffi"
825 noconfigdirs="$noconfigdirs target-libffi"
832 noconfigdirs="$noconfigdirs target-libffi"
835 noconfigdirs="$noconfigdirs target-libffi"
839 # Disable the go frontend on systems where it is known to not work. Please keep
840 # this in sync with contrib/config-list.mk.
842 *-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
843 unsupported_languages="$unsupported_languages go"
847 # Only allow gdbserver on some systems.
848 if test -d ${srcdir}/gdbserver; then
849 if test x$enable_gdbserver = x; then
850 AC_MSG_CHECKING([for gdbserver support])
851 if (srcdir=${srcdir}/gdbserver; \
852 . ${srcdir}/configure.srv; \
853 test -n "$UNSUPPORTED")
856 noconfigdirs="$noconfigdirs gdbserver"
863 # Disable libgo for some systems where it is known to not work.
864 # For testing, you can easily override this with --enable-libgo.
865 if test x$enable_libgo = x; then
869 noconfigdirs="$noconfigdirs target-libgo"
871 *-*-cygwin* | *-*-mingw*)
872 noconfigdirs="$noconfigdirs target-libgo"
875 noconfigdirs="$noconfigdirs target-libgo"
880 # Default libgloss CPU subdirectory.
881 libgloss_dir="$target_cpu"
884 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
893 cris-*-* | crisv32-*-*)
902 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
922 # Disable newlib and libgloss for various target OSes.
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
927 i[[3456789]]86-*-linux*)
928 # This section makes it possible to build newlib natively on linux.
929 # If we are using a cross compiler then don't configure newlib.
930 if test x${is_cross_compiler} != xno ; then
931 noconfigdirs="$noconfigdirs target-newlib"
933 noconfigdirs="$noconfigdirs target-libgloss"
934 # If we are not using a cross compiler, do configure newlib.
935 # Note however, that newlib will only be configured in this situation
936 # if the --with-newlib option has been given, because otherwise
937 # 'target-newlib' will appear in skipdirs.
939 i[[3456789]]86-*-rdos*)
940 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
942 sh*-*-pe|mips*-*-pe|arm-wince-pe)
943 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
946 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
949 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
952 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
955 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
958 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
961 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
964 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
966 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
967 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
970 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
979 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
985 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 noconfigdirs="$noconfigdirs ld gas gdb gprof"
997 noconfigdirs="$noconfigdirs sim target-rda"
1002 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1003 noconfigdirs="$noconfigdirs sim target-rda"
1006 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1007 noconfigdirs="$noconfigdirs sim target-rda"
1009 i[[3456789]]86-*-darwin*)
1010 noconfigdirs="$noconfigdirs ld gprof"
1011 noconfigdirs="$noconfigdirs sim target-rda"
1013 x86_64-*-darwin[[912]]*)
1014 noconfigdirs="$noconfigdirs ld gas gprof"
1015 noconfigdirs="$noconfigdirs sim target-rda"
1018 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1019 noconfigdirs="$noconfigdirs sim target-rda"
1024 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1025 && ! test -d ${srcdir}/gmp \
1026 && test -f /usr/local/include/gmp.h; then
1031 # Remove unsupported stuff on all kaOS configurations.
1032 noconfigdirs="$noconfigdirs target-libgloss"
1039 noconfigdirs="$noconfigdirs target-libgloss"
1042 noconfigdirs="$noconfigdirs target-libgloss"
1044 # The tpf target doesn't support gdb yet.
1046 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1049 noconfigdirs="$noconfigdirs target-rda"
1054 # ld works, but does not support shared libraries.
1055 # gas doesn't generate exception information.
1056 noconfigdirs="$noconfigdirs gas ld"
1059 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1062 # newlib is not 64 bit ready
1063 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1066 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1068 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1069 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1072 noconfigdirs="$noconfigdirs sim"
1075 noconfigdirs="$noconfigdirs target-libgloss"
1078 noconfigdirs="$noconfigdirs ld target-libgloss"
1081 if test x${with_avrlibc} != xno; then
1082 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1085 c4x-*-* | tic4x-*-*)
1086 noconfigdirs="$noconfigdirs target-libgloss"
1089 noconfigdirs="$noconfigdirs target-libgloss gdb"
1092 noconfigdirs="$noconfigdirs target-libgloss"
1095 noconfigdirs="$noconfigdirs gdb"
1098 noconfigdirs="$noconfigdirs gdb"
1101 noconfigdirs="$noconfigdirs target-rda gprof"
1104 noconfigdirs="$noconfigdirs"
1107 noconfigdirs="$noconfigdirs target-libgloss"
1110 noconfigdirs="$noconfigdirs target-libgloss"
1112 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1115 noconfigdirs="$noconfigdirs gdb"
1118 noconfigdirs="$noconfigdirs gdb ld"
1126 hppa*-*-openbsd* | \
1132 noconfigdirs="$noconfigdirs ld"
1135 noconfigdirs="$noconfigdirs gdb"
1138 # No gdb support yet.
1139 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1142 # No ld support yet.
1143 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1146 # No ld support yet.
1147 noconfigdirs="$noconfigdirs libgui itcl ld"
1149 i[[3456789]]86-w64-mingw*)
1151 i[[3456789]]86-*-mingw*)
1152 target_configdirs="$target_configdirs target-winsup"
1155 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1156 noconfigdirs="$noconfigdirs target-libgloss"
1157 # always build newlib if winsup directory is present.
1158 if test -d "$srcdir/winsup/cygwin"; then
1159 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1160 elif test -d "$srcdir/newlib"; then
1161 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1164 i[[3456789]]86-*-pe)
1165 noconfigdirs="$noconfigdirs target-libgloss"
1167 i[[3456789]]86-*-sco3.2v5*)
1168 # The linker does not yet know about weak symbols in COFF,
1169 # and is not configured to handle mixed ELF and COFF.
1170 noconfigdirs="$noconfigdirs ld target-libgloss"
1172 i[[3456789]]86-*-sco*)
1173 noconfigdirs="$noconfigdirs gprof target-libgloss"
1175 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1176 noconfigdirs="$noconfigdirs target-libgloss"
1178 i[[3456789]]86-*-sysv4*)
1179 noconfigdirs="$noconfigdirs target-libgloss"
1181 i[[3456789]]86-*-beos*)
1182 noconfigdirs="$noconfigdirs gdb"
1184 i[[3456789]]86-*-rdos*)
1185 noconfigdirs="$noconfigdirs gdb"
1188 noconfigdirs="$noconfigdirs gdb"
1191 noconfigdirs="$noconfigdirs sim"
1194 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1195 noconfigdirs="$noconfigdirs $target_libraries"
1198 noconfigdirs="$noconfigdirs gdb gprof"
1201 # copied from rs6000-*-* entry
1202 noconfigdirs="$noconfigdirs gprof"
1204 powerpc*-*-winnt* | powerpc*-*-pe*)
1205 target_configdirs="$target_configdirs target-winsup"
1206 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1207 # always build newlib.
1208 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1210 # This is temporary until we can link against shared libraries
1211 powerpcle-*-solaris*)
1212 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1215 noconfigdirs="$noconfigdirs gdb"
1218 noconfigdirs="$noconfigdirs gprof"
1221 noconfigdirs="$noconfigdirs gprof"
1224 noconfigdirs="$noconfigdirs gprof"
1227 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1230 noconfigdirs="$noconfigdirs gprof"
1232 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1233 if test x$with_newlib = xyes; then
1234 noconfigdirs="$noconfigdirs gprof"
1238 noconfigdirs="$noconfigdirs gprof target-libgloss"
1241 noconfigdirs="$noconfigdirs gprof target-libgloss"
1244 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1248 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1249 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1250 noconfigdirs="$noconfigdirs ld gas gprof"
1253 noconfigdirs="$noconfigdirs gprof"
1256 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1263 noconfigdirs="$noconfigdirs target-libgloss" ;;
1267 if test x${is_cross_compiler} = xno ; then
1272 noconfigdirs="$noconfigdirs sim"
1274 tilepro*-*-* | tilegx*-*-*)
1275 noconfigdirs="$noconfigdirs sim"
1278 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1281 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1284 noconfigdirs="$noconfigdirs ld"
1288 # If we aren't building newlib, then don't build libgloss, since libgloss
1289 # depends upon some newlib header files.
1290 case "${noconfigdirs}" in
1291 *target-libgloss*) ;;
1292 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1295 # Work in distributions that contain no compiler tools, like Autoconf.
1296 host_makefile_frag=/dev/null
1297 if test -d ${srcdir}/config ; then
1299 i[[3456789]]86-*-msdosdjgpp*)
1300 host_makefile_frag="config/mh-djgpp"
1303 ACX_CHECK_CYGWIN_CAT_WORKS
1304 host_makefile_frag="config/mh-cygwin"
1307 host_makefile_frag="config/mh-mingw"
1310 host_makefile_frag="config/mh-alpha-linux"
1313 host_makefile_frag="config/mh-pa-hpux10"
1316 host_makefile_frag="config/mh-pa"
1319 host_makefile_frag="config/mh-pa"
1321 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*)
1322 host_makefile_frag="config/mh-darwin"
1325 host_makefile_frag="config/mh-ppc-aix"
1328 host_makefile_frag="config/mh-ppc-aix"
1333 if test "${build}" != "${host}" ; then
1334 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1335 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1336 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1337 CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}"
1338 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1339 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil}
1340 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1341 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1342 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
1343 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1344 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1345 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1346 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1347 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1348 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1350 AR_FOR_BUILD="\$(AR)"
1351 AS_FOR_BUILD="\$(AS)"
1352 CC_FOR_BUILD="\$(CC)"
1353 CXX_FOR_BUILD="\$(CXX)"
1354 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)"
1355 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1356 GOC_FOR_BUILD="\$(GOC)"
1357 GDC_FOR_BUILD="\$(GDC)"
1358 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1359 LD_FOR_BUILD="\$(LD)"
1360 NM_FOR_BUILD="\$(NM)"
1361 RANLIB_FOR_BUILD="\$(RANLIB)"
1362 WINDRES_FOR_BUILD="\$(WINDRES)"
1363 WINDMC_FOR_BUILD="\$(WINDMC)"
1369 # We must set the default linker to the linker used by gcc for the correct
1370 # operation of libtool. If LD is not defined and we are using gcc, try to
1371 # set the LD default to the ld used by gcc.
1372 if test -z "$LD"; then
1373 if test "$GCC" = yes; then
1376 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1378 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1380 case $gcc_prog_ld in
1381 # Accept absolute paths.
1382 [[\\/]* | [A-Za-z]:[\\/]*)]
1383 LD="$gcc_prog_ld" ;;
1388 # Check whether -static-libstdc++ -static-libgcc is supported.
1390 if test "$GCC" = yes; then
1391 saved_LDFLAGS="$LDFLAGS"
1393 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1394 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1396 AC_LINK_IFELSE([AC_LANG_SOURCE([
1397 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1398 #error -static-libstdc++ not implemented
1401 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1402 [AC_MSG_RESULT([no])])
1405 LDFLAGS="$saved_LDFLAGS"
1410 ACX_PROG_CMP_IGNORE_INITIAL
1412 AC_ARG_ENABLE([bootstrap],
1413 [AS_HELP_STRING([--enable-bootstrap],
1414 [enable bootstrapping @<:@yes if native build@:>@])],,
1415 enable_bootstrap=default)
1417 # Issue errors and warnings for invalid/strange bootstrap combinations.
1418 if test -r $srcdir/gcc/configure; then
1424 case "$have_compiler:$host:$target:$enable_bootstrap" in
1427 # Default behavior. Enable bootstrap if we have a compiler
1428 # and we are in a native configuration.
1429 yes:$build:$build:default)
1430 enable_bootstrap=yes ;;
1433 enable_bootstrap=no ;;
1435 # We have a compiler and we are in a native configuration, bootstrap is ok
1436 yes:$build:$build:yes)
1439 # Other configurations, but we have a compiler. Assume the user knows
1442 AC_MSG_WARN([trying to bootstrap a cross compiler])
1445 # No compiler: if they passed --enable-bootstrap explicitly, fail
1447 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1449 # Fail if wrong command line
1451 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1455 # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
1456 # C++11 compiler can still start the bootstrap. Otherwise, if building GCC,
1457 # require C++11 (or higher).
1458 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1459 CXX="$CXX -std=c++11"
1460 elif test "$have_compiler" = yes; then
1461 AX_CXX_COMPILE_STDCXX(11)
1463 if test "${build}" != "${host}"; then
1464 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
1468 # Used for setting $lt_cv_objdir
1471 # Check for GMP, MPFR and MPC
1472 gmplibs="-lmpc -lmpfr -lgmp"
1476 # Specify a location for mpc
1477 # check for this first so it ends up on the link line before mpfr.
1479 [AS_HELP_STRING([--with-mpc=PATH],
1480 [specify prefix directory for installed MPC package.
1481 Equivalent to --with-mpc-include=PATH/include
1482 plus --with-mpc-lib=PATH/lib])])
1483 AC_ARG_WITH(mpc-include,
1484 [AS_HELP_STRING([--with-mpc-include=PATH],
1485 [specify directory for installed MPC include files])])
1486 AC_ARG_WITH(mpc-lib,
1487 [AS_HELP_STRING([--with-mpc-lib=PATH],
1488 [specify directory for the installed MPC library])])
1490 if test "x$with_mpc" != x; then
1491 gmplibs="-L$with_mpc/lib $gmplibs"
1492 gmpinc="-I$with_mpc/include $gmpinc"
1494 if test "x$with_mpc_include" != x; then
1495 gmpinc="-I$with_mpc_include $gmpinc"
1497 if test "x$with_mpc_lib" != x; then
1498 gmplibs="-L$with_mpc_lib $gmplibs"
1500 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1501 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1502 gmpinc='-I$$s/mpc/src '"$gmpinc"
1503 # Do not test the mpc version. Assume that it is sufficient, since
1504 # it is in the source tree, and the library has not been built yet
1505 # but it would be included on the link line in the version check below
1506 # hence making the test fail.
1510 # Specify a location for mpfr
1511 # check for this first so it ends up on the link line before gmp.
1512 AC_ARG_WITH(mpfr-dir,
1513 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1514 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1515 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1518 [AS_HELP_STRING([--with-mpfr=PATH],
1519 [specify prefix directory for installed MPFR package.
1520 Equivalent to --with-mpfr-include=PATH/include
1521 plus --with-mpfr-lib=PATH/lib])])
1522 AC_ARG_WITH(mpfr-include,
1523 [AS_HELP_STRING([--with-mpfr-include=PATH],
1524 [specify directory for installed MPFR include files])])
1525 AC_ARG_WITH(mpfr-lib,
1526 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1527 [specify directory for the installed MPFR library])])
1529 if test "x$with_mpfr" != x; then
1530 gmplibs="-L$with_mpfr/lib $gmplibs"
1531 gmpinc="-I$with_mpfr/include $gmpinc"
1533 if test "x$with_mpfr_include" != x; then
1534 gmpinc="-I$with_mpfr_include $gmpinc"
1536 if test "x$with_mpfr_lib" != x; then
1537 gmplibs="-L$with_mpfr_lib $gmplibs"
1539 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1540 # MPFR v3.1.0 moved the sources into a src sub-directory.
1541 if ! test -d ${srcdir}/mpfr/src; then
1543 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1545 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1546 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1547 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1548 # Do not test the mpfr version. Assume that it is sufficient, since
1549 # it is in the source tree, and the library has not been built yet
1550 # but it would be included on the link line in the version check below
1551 # hence making the test fail.
1555 # Specify a location for gmp
1556 AC_ARG_WITH(gmp-dir,
1557 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1558 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1559 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1562 [AS_HELP_STRING([--with-gmp=PATH],
1563 [specify prefix directory for the installed GMP package.
1564 Equivalent to --with-gmp-include=PATH/include
1565 plus --with-gmp-lib=PATH/lib])])
1566 AC_ARG_WITH(gmp-include,
1567 [AS_HELP_STRING([--with-gmp-include=PATH],
1568 [specify directory for installed GMP include files])])
1569 AC_ARG_WITH(gmp-lib,
1570 [AS_HELP_STRING([--with-gmp-lib=PATH],
1571 [specify directory for the installed GMP library])])
1574 if test "x$with_gmp" != x; then
1575 gmplibs="-L$with_gmp/lib $gmplibs"
1576 gmpinc="-I$with_gmp/include $gmpinc"
1578 if test "x$with_gmp_include" != x; then
1579 gmpinc="-I$with_gmp_include $gmpinc"
1581 if test "x$with_gmp_lib" != x; then
1582 gmplibs="-L$with_gmp_lib $gmplibs"
1584 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1585 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1586 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1587 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1588 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1589 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1590 # Do not test the gmp version. Assume that it is sufficient, since
1591 # it is in the source tree, and the library has not been built yet
1592 # but it would be included on the link line in the version check below
1593 # hence making the test fail.
1597 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1599 saved_CFLAGS="$CFLAGS"
1600 CFLAGS="$CFLAGS $gmpinc"
1601 # Check for the recommended and required versions of GMP.
1602 AC_MSG_CHECKING([for the correct version of gmp.h])
1603 AC_TRY_COMPILE([#include "gmp.h"],[
1604 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1605 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1606 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1609 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1610 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1611 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1612 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1615 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1616 [AC_MSG_RESULT([no]); have_gmp=no])
1618 # If we have GMP, check the MPFR version.
1619 if test x"$have_gmp" = xyes; then
1620 # Check for the recommended and required versions of MPFR.
1621 AC_MSG_CHECKING([for the correct version of mpfr.h])
1622 AC_TRY_COMPILE([#include <gmp.h>
1623 #include <mpfr.h>],[
1624 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
1627 ], [AC_TRY_COMPILE([#include <gmp.h>
1628 #include <mpfr.h>],[
1629 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
1632 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1633 [AC_MSG_RESULT([no]); have_gmp=no])
1636 # Check for the MPC header version.
1637 if test x"$have_gmp" = xyes ; then
1638 # Check for the recommended and required versions of MPC.
1639 AC_MSG_CHECKING([for the correct version of mpc.h])
1640 AC_TRY_COMPILE([#include <mpc.h>],[
1641 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1644 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1645 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1648 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1649 [AC_MSG_RESULT([no]); have_gmp=no])
1652 # Now check the MPFR library.
1653 if test x"$have_gmp" = xyes; then
1655 LIBS="$LIBS $gmplibs"
1656 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1657 AC_TRY_LINK([#include <mpc.h>],[
1664 mpfr_atan2 (n, n, x, MPFR_RNDN);
1665 mpfr_erfc (n, x, MPFR_RNDN);
1666 mpfr_subnormalize (x, t, MPFR_RNDN);
1670 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1671 mpc_cosh (c, c, MPC_RNDNN);
1672 mpc_pow (c, c, c, MPC_RNDNN);
1673 mpc_acosh (c, c, MPC_RNDNN);
1675 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1679 CFLAGS="$saved_CFLAGS"
1681 # The library versions listed in the error message below should match
1682 # the HARD-minimums enforced above.
1683 if test x$have_gmp != xyes; then
1684 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
1685 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1686 their locations. Source code for these libraries can be found at
1687 their respective hosting sites as well as at
1688 https://gcc.gnu.org/pub/gcc/infrastructure/. See also
1689 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1690 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1691 make sure that you have installed both the libraries and the header
1692 files. They may be located in separate packages.])
1696 # Flags needed for both GMP, MPFR and/or MPC.
1699 AC_SUBST(extra_mpfr_configure_flags)
1700 AC_SUBST(extra_mpc_gmp_configure_flags)
1701 AC_SUBST(extra_mpc_mpfr_configure_flags)
1702 AC_SUBST(extra_isl_gmp_configure_flags)
1704 # Libraries to use for stage1 or when not bootstrapping.
1705 AC_ARG_WITH(stage1-libs,
1706 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1707 [if test "$withval" = "no" -o "$withval" = "yes"; then
1710 stage1_libs=$withval
1713 AC_SUBST(stage1_libs)
1715 # Whether or not to use -static-libstdc++ and -static-libgcc. The
1716 # default is yes if gcc is being built; no otherwise. The reason for
1717 # this default is that gdb is sometimes linked against GNU Source
1718 # Highlight, which is a shared library that uses C++ exceptions. In
1719 # this case, -static-libstdc++ will cause crashes.
1720 AC_ARG_WITH(static-standard-libraries,
1721 [AS_HELP_STRING([--with-static-standard-libraries],
1722 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1723 [], [with_static_standard_libraries=auto])
1724 if test "$with_static_standard_libraries" = auto; then
1725 with_static_standard_libraries=$have_compiler
1728 # Linker flags to use for stage1 or when not bootstrapping.
1729 AC_ARG_WITH(stage1-ldflags,
1730 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1731 [if test "$withval" = "no" -o "$withval" = "yes"; then
1734 stage1_ldflags=$withval
1737 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1738 # if supported. But if the user explicitly specified the libraries to use,
1739 # trust that they are doing what they want.
1740 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1741 -a "$have_static_libs" = yes; then
1742 stage1_ldflags="-static-libstdc++ -static-libgcc"
1744 AC_SUBST(stage1_ldflags)
1746 # Libraries to use for stage2 and later builds.
1747 AC_ARG_WITH(boot-libs,
1748 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1749 [if test "$withval" = "no" -o "$withval" = "yes"; then
1752 poststage1_libs=$withval
1755 AC_SUBST(poststage1_libs)
1757 # Linker flags to use for stage2 and later builds.
1758 AC_ARG_WITH(boot-ldflags,
1759 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1760 [linker flags for stage2 and later])],
1761 [if test "$withval" = "no" -o "$withval" = "yes"; then
1764 poststage1_ldflags=$withval
1766 [poststage1_ldflags=
1767 # In stages 2 and 3, default to linking libstdc++ and libgcc
1768 # statically. But if the user explicitly specified the libraries to
1769 # use, trust that they are doing what they want.
1770 if test "$poststage1_libs" = ""; then
1771 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1773 AC_SUBST(poststage1_ldflags)
1775 # GCC GRAPHITE dependency isl.
1776 # Basic setup is inlined here, actual checks are in config/isl.m4
1781 [Specify prefix directory for the installed isl package.
1782 Equivalent to --with-isl-include=PATH/include
1783 plus --with-isl-lib=PATH/lib])])
1785 # Treat --without-isl as a request to disable
1786 # GRAPHITE support and skip all following checks.
1787 if test "x$with_isl" != "xno"; then
1789 dnl Provide configure switches and initialize islinc & isllibs
1790 dnl with user input.
1792 dnl The versions of isl that work for Graphite
1794 dnl Only execute fail-action, if isl has been requested.
1796 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1799 # If the isl check failed, disable builds of in-tree variant of isl
1800 if test "x$with_isl" = xno ||
1801 test "x$gcc_cv_isl" = xno; then
1802 noconfigdirs="$noconfigdirs isl"
1809 # Check for LTO support.
1811 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1812 enable_lto=$enableval,
1813 enable_lto=yes; default_enable_lto=yes)
1815 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1816 build_lto_plugin=yes
1817 ],[if test x"$default_enable_lto" = x"yes" ; then
1819 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1820 # On other non-ELF platforms, LTO has yet to be validated.
1824 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1825 # It would also be nice to check the binutils support, but we don't
1826 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1827 # warn during gcc/ subconfigure; unless you're bootstrapping with
1828 # -flto it won't be needed until after installation anyway.
1830 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1831 *) if test x"$enable_lto" = x"yes"; then
1832 AC_MSG_ERROR([LTO support is not enabled for this target.])
1837 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1838 # Build it unless LTO was explicitly disabled.
1840 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1845 AC_ARG_ENABLE(linker-plugin-configure-flags,
1846 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1847 [additional flags for configuring linker plugins @<:@none@:>@])],
1848 extra_linker_plugin_configure_flags=$enableval,
1849 extra_linker_plugin_configure_flags=)
1850 AC_SUBST(extra_linker_plugin_configure_flags)
1851 AC_ARG_ENABLE(linker-plugin-flags,
1852 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1853 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1854 extra_linker_plugin_flags=$enableval,
1855 extra_linker_plugin_flags=)
1856 AC_SUBST(extra_linker_plugin_flags)
1858 # Enable --enable-host-shared.
1859 # Checked early to determine whether jit is an 'all' language
1860 AC_ARG_ENABLE(host-shared,
1861 [AS_HELP_STRING([--enable-host-shared],
1862 [build host code as shared libraries])],
1863 [host_shared=$enableval
1865 x86_64-*-darwin* | aarch64-*-darwin*)
1866 if test x$host_shared != xyes ; then
1867 # PIC is the default, and actually cannot be switched off.
1868 echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2
1874 x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;;
1875 *) host_shared=no ;;
1877 AC_SUBST(host_shared)
1879 # By default, C and C++ are the only stage 1 languages.
1880 stage1_languages=,c,
1882 # Target libraries that we bootstrap.
1883 bootstrap_target_libs=,target-libgcc,
1885 # Figure out what language subdirectories are present.
1886 # Look if the user specified --enable-languages="..."; if not, use
1887 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1889 # NB: embedded tabs in this IF block -- do not untabify
1890 if test -d ${srcdir}/gcc; then
1891 if test x"${enable_languages+set}" != xset; then
1892 if test x"${LANGUAGES+set}" = xset; then
1893 enable_languages="${LANGUAGES}"
1894 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1896 enable_languages=default
1899 if test x"${enable_languages}" = x ||
1900 test x"${enable_languages}" = xyes;
1902 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1906 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1908 # 'f95' is the old name for the 'fortran' language. We issue a warning
1909 # and make the substitution.
1910 case ,${enable_languages}, in
1912 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1913 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1917 # If bootstrapping, C++ must be enabled.
1918 case ",$enable_languages,:$enable_bootstrap" in
1921 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1922 enable_languages="${enable_languages},c++"
1924 AC_MSG_ERROR([bootstrapping requires c++ sources])
1929 # First scan to see if an enabled language requires some other language.
1930 # We assume that a given config-lang.in will list all the language
1931 # front ends it requires, even if some are required indirectly.
1932 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1933 case ${lang_frag} in
1935 # The odd quoting in the next line works around
1936 # an apparent bug in bash 1.12 on linux.
1937 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1939 # From the config-lang.in, get $language, $lang_requires, and
1940 # $lang_requires_boot_languages.
1943 lang_requires_boot_languages=
1944 # set srcdir during sourcing lang_frag to the gcc dir.
1945 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1946 # polutes this shell
1947 saved_srcdir=${srcdir}
1948 srcdir=${srcdir}/gcc . ${lang_frag}
1949 srcdir=${saved_srcdir}
1950 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1951 case ,${enable_languages}, in
1956 echo " \`$other' language required by \`$language'; enabling" 1>&2
1957 enable_languages="${enable_languages},${other}"
1961 for other in ${lang_requires_boot_languages} ; do
1962 if test "$other" != "c"; then
1963 case ,${enable_stage1_languages}, in
1968 case ,${enable_languages}, in
1970 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1971 enable_stage1_languages="$enable_stage1_languages,${other}"
1982 new_enable_languages=,c,
1984 # If LTO is enabled, add the LTO front end.
1985 if test "$enable_lto" = "yes" ; then
1986 case ,${enable_languages}, in
1988 *) enable_languages="${enable_languages},lto" ;;
1990 if test "${build_lto_plugin}" = "yes" ; then
1991 configdirs="$configdirs lto-plugin"
1995 # If we're building an offloading compiler, add the LTO front end.
1996 if test x"$enable_as_accelerator_for" != x ; then
1997 case ,${enable_languages}, in
1999 *) enable_languages="${enable_languages},lto" ;;
2003 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
2004 potential_languages=,c,
2006 enabled_target_libs=
2007 disabled_target_libs=
2009 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2010 case ${lang_frag} in
2012 # The odd quoting in the next line works around
2013 # an apparent bug in bash 1.12 on linux.
2014 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2016 # From the config-lang.in, get $language, $target_libs,
2017 # $lang_dirs, $boot_language, and $build_by_default
2023 build_by_default=yes
2024 # set srcdir during sourcing. See above about save & restore
2025 saved_srcdir=${srcdir}
2026 srcdir=${srcdir}/gcc . ${lang_frag}
2027 srcdir=${saved_srcdir}
2028 if test x${language} = x; then
2029 echo "${lang_frag} doesn't set \$language." 1>&2
2033 if test "$language" = "c++"; then
2038 # C is always enabled, so no need to add it again
2039 if test "$language" != "c"; then
2040 case ,${enable_languages}, in
2042 # Language was explicitly selected; include it
2046 # All languages are enabled
2050 # 'default' was selected, select it if it is a default language
2051 add_this_lang=${build_by_default}
2056 # Disable languages that need other directories if these aren't available.
2057 for i in $subdir_requires; do
2058 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2059 case ${add_this_lang} in
2061 # Specifically requested language; tell them.
2062 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2065 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2066 add_this_lang=unsupported
2070 add_this_lang=unsupported
2075 # Disable Ada if no preexisting GNAT is available.
2076 case ${add_this_lang}:${language}:${have_gnat} in
2078 # Specifically requested language; tell them.
2079 AC_MSG_ERROR([GNAT is required to build $language])
2082 AC_MSG_WARN([GNAT is required to build $language])
2083 add_this_lang=unsupported
2087 add_this_lang=unsupported
2091 # Disable D if no preexisting GDC is available.
2092 case ${add_this_lang}:${language}:${have_gdc} in
2094 # Specifically requested language; tell them.
2095 AC_MSG_ERROR([GDC is required to build $language])
2098 AC_MSG_WARN([GDC is required to build $language])
2099 add_this_lang=unsupported
2103 add_this_lang=unsupported
2107 # Disable jit if -enable-host-shared not specified
2108 # but not if building for Mingw. All code in Windows
2109 # is position independent code (PIC).
2113 case ${add_this_lang}:${language}:${host_shared} in
2115 # PR jit/64780: explicitly specify --enable-host-shared
2117 Enabling language "jit" requires --enable-host-shared.
2119 --enable-host-shared typically slows the rest of the compiler down by
2120 a few %, so you must explicitly enable it.
2122 If you want to build both the jit and the regular compiler, it is often
2123 best to do this via two separate configure/builds, in separate
2124 directories, to avoid imposing the performance cost of
2125 --enable-host-shared on the regular compiler.])
2128 AC_MSG_WARN([--enable-host-shared required to build $language])
2129 add_this_lang=unsupported
2133 add_this_lang=unsupported
2139 # Disable a language that is unsupported by the target.
2140 case "${add_this_lang}: $unsupported_languages " in
2144 AC_MSG_WARN([${language} not supported for this target])
2145 add_this_lang=unsupported
2149 case $add_this_lang in
2151 # Remove language-dependent dirs.
2152 disabled_target_libs="$disabled_target_libs $target_libs"
2153 noconfigdirs="$noconfigdirs $lang_dirs"
2156 # Remove language-dependent dirs; still show language as supported.
2157 disabled_target_libs="$disabled_target_libs $target_libs"
2158 noconfigdirs="$noconfigdirs $lang_dirs"
2159 potential_languages="${potential_languages}${language},"
2162 new_enable_languages="${new_enable_languages}${language},"
2163 potential_languages="${potential_languages}${language},"
2164 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2165 enabled_target_libs="$enabled_target_libs $target_libs"
2166 case "${boot_language}:,$enable_stage1_languages," in
2167 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2168 # Add to (comma-separated) list of stage 1 languages.
2169 case ",$stage1_languages," in
2170 *,$language,* | ,yes, | ,all,) ;;
2171 *) stage1_languages="${stage1_languages}${language}," ;;
2173 # We need to bootstrap any supporting libraries.
2174 bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"`
2183 # Add target libraries which are only needed for disabled languages
2185 if test -n "$disabled_target_libs"; then
2186 for dir in $disabled_target_libs; do
2187 case " $enabled_target_libs " in
2189 *) noconfigdirs="$noconfigdirs $dir" ;;
2194 AC_ARG_ENABLE(stage1-languages,
2195 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2196 [choose additional languages to build during
2197 stage1. Mostly useful for compiler development])],
2198 [case ,${enable_stage1_languages}, in
2200 # Set it to something that will have no effect in the loop below
2201 enable_stage1_languages=c ;;
2203 enable_stage1_languages=`echo $new_enable_languages | \
2204 sed -e "s/^,//" -e "s/,$//" ` ;;
2206 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2207 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2210 # Add "good" languages from enable_stage1_languages to stage1_languages,
2211 # while "bad" languages go in missing_languages. Leave no duplicates.
2212 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2213 case $potential_languages in
2215 case $stage1_languages in
2217 *) stage1_languages="$stage1_languages$i," ;;
2220 case $missing_languages in
2222 *) missing_languages="$missing_languages$i," ;;
2227 # Remove leading/trailing commas that were added for simplicity
2228 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2229 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2230 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2231 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2233 if test "x$missing_languages" != x; then
2235 The following requested languages could not be built: ${missing_languages}
2236 Supported languages are: ${potential_languages}])
2238 if test "x$new_enable_languages" != "x$enable_languages"; then
2239 echo The following languages will be built: ${new_enable_languages}
2240 enable_languages="$new_enable_languages"
2243 AC_SUBST(stage1_languages)
2244 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2247 # Handle --disable-<component> generically.
2248 for dir in $configdirs $build_configdirs $target_configdirs ; do
2249 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2250 varname=`echo $dirname | sed -e s/+/_/g`
2251 if eval test x\${enable_${varname}} "=" xno ; then
2252 noconfigdirs="$noconfigdirs $dir"
2256 # Check for Boehm's garbage collector
2257 AC_ARG_ENABLE(objc-gc,
2258 [AS_HELP_STRING([--enable-objc-gc],
2259 [enable use of Boehm's garbage collector with the
2260 GNU Objective-C runtime])])
2261 AC_ARG_WITH([target-bdw-gc],
2262 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2263 [specify prefix directory for installed bdw-gc package.
2264 Equivalent to --with-target-bdw-gc-include=PATH/include
2265 plus --with-target-bdw-gc-lib=PATH/lib])])
2266 AC_ARG_WITH([target-bdw-gc-include],
2267 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2268 [specify directories for installed bdw-gc include files])])
2269 AC_ARG_WITH([target-bdw-gc-lib],
2270 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2271 [specify directories for installed bdw-gc library])])
2273 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2274 AC_MSG_CHECKING([for bdw garbage collector])
2275 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2276 dnl no bdw-gw options, assume default locations
2277 AC_MSG_RESULT([using bdw-gc in default locations])
2279 dnl bdw-gw options, first error checking, complete checking in libobjc
2280 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2281 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2282 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2283 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2285 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2290 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2291 case ,${enable_languages}, in
2293 # Disable libitm, libsanitizer if we're not building libstdc++
2294 case "${noconfigdirs}" in
2295 *target-libstdc++-v3*)
2296 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2302 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2306 # If gcc/ is not in the source tree then we'll not be building a
2307 # target compiler, assume in that case we don't want to build any
2308 # target libraries or tools.
2310 # This was added primarily for the benefit for binutils-gdb who reuse
2311 # this configure script, but don't always have target tools available.
2312 if test ! -d ${srcdir}/gcc; then
2313 skipdirs="${skipdirs} ${target_configdirs}"
2316 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2317 # $build_configdirs and $target_configdirs.
2318 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2321 for dir in . $skipdirs $noconfigdirs ; do
2322 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2323 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2324 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2325 if test -r $srcdir/$dirname/configure ; then
2326 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2329 notsupp="$notsupp $dir"
2333 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2334 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2335 if test -r $srcdir/$dirname/configure ; then
2336 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2339 notsupp="$notsupp $dir"
2343 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2344 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2345 if test -r $srcdir/$dirname/configure ; then
2346 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2349 notsupp="$notsupp $dir"
2355 # Quietly strip out all directories which aren't configurable in this tree.
2356 # This relies on all configurable subdirectories being autoconfiscated, which
2358 build_configdirs_all="$build_configdirs"
2360 for i in ${build_configdirs_all} ; do
2361 j=`echo $i | sed -e s/build-//g`
2362 if test -f ${srcdir}/$j/configure ; then
2363 build_configdirs="${build_configdirs} $i"
2367 configdirs_all="$configdirs"
2369 for i in ${configdirs_all} ; do
2370 if test -f ${srcdir}/$i/configure ; then
2371 configdirs="${configdirs} $i"
2375 target_configdirs_all="$target_configdirs"
2377 for i in ${target_configdirs_all} ; do
2378 j=`echo $i | sed -e s/target-//g`
2379 if test -f ${srcdir}/$j/configure ; then
2380 target_configdirs="${target_configdirs} $i"
2384 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2385 # so we have to add it after the preceding checks.
2386 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2388 case " $configdirs " in
2390 # If we can build libiberty, we can also build libiberty-linker-plugin.
2391 configdirs="$configdirs libiberty-linker-plugin"
2392 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2393 --with-libiberty=../libiberty-linker-plugin";;
2395 AC_MSG_ERROR([libiberty missing]);;
2399 # Sometimes we have special requirements for the host libiberty.
2400 extra_host_libiberty_configure_flags=
2401 extra_host_zlib_configure_flags=
2402 case " $configdirs " in
2403 *" lto-plugin "* | *" libcc1 "*)
2404 # When these are to be built as shared libraries, the same applies to
2406 extra_host_libiberty_configure_flags=--enable-shared
2409 # When bfd is to be built as a shared library, the same applies to
2411 if test "$enable_shared" = "yes"; then
2412 extra_host_zlib_configure_flags=--enable-host-shared
2416 AC_SUBST(extra_host_libiberty_configure_flags)
2417 AC_SUBST(extra_host_zlib_configure_flags)
2419 # Produce a warning message for the subdirs we can't configure.
2420 # This isn't especially interesting in the Cygnus tree, but in the individual
2421 # FSF releases, it's important to let people know when their machine isn't
2422 # supported by the one or two programs in a package.
2424 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2425 # If $appdirs is non-empty, at least one of those directories must still
2426 # be configured, or we error out. (E.g., if the gas release supports a
2427 # specified target in some subdirs but not the gas subdir, we shouldn't
2428 # pretend that all is well.)
2429 if test -n "$appdirs" ; then
2430 for dir in $appdirs ; do
2431 if test -r $dir/Makefile.in ; then
2432 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2436 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2442 if test -n "$appdirs" ; then
2443 echo "*** This configuration is not supported by this package." 1>&2
2447 # Okay, some application will build, or we don't care to check. Still
2448 # notify of subdirs not getting built.
2449 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2450 echo " ${notsupp}" 1>&2
2451 echo " (Any other directories should still work fine.)" 1>&2
2459 # To find our prefix, in gcc_cv_tool_prefix.
2464 AC_ARG_WITH([build-sysroot],
2465 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2466 [use sysroot as the system root during the build])],
2467 [if test x"$withval" != x ; then
2468 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2470 [SYSROOT_CFLAGS_FOR_TARGET=])
2471 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2473 AC_ARG_WITH([debug-prefix-map],
2474 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2475 [map A to B, C to D ... in debug information])],
2476 [if test x"$withval" != x; then
2477 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2478 for debug_map in $withval; do
2479 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2482 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2483 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2485 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2486 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2487 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2488 # We want to ensure that TARGET libraries (which we know are built with
2489 # gcc) are built with "-O2 -g", so include those options when setting
2490 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2491 if test "x$CFLAGS_FOR_TARGET" = x; then
2492 if test "x${is_cross_compiler}" = xyes; then
2493 CFLAGS_FOR_TARGET="-g -O2"
2495 CFLAGS_FOR_TARGET=$CFLAGS
2498 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2501 *" -g "* | *" -g3 "*) ;;
2502 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2506 AC_SUBST(CFLAGS_FOR_TARGET)
2508 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2509 if test "x${is_cross_compiler}" = xyes; then
2510 CXXFLAGS_FOR_TARGET="-g -O2"
2512 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2513 case " $CXXFLAGS " in
2515 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2517 case " $CXXFLAGS " in
2518 *" -g "* | *" -g3 "*) ;;
2519 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2523 AC_SUBST(CXXFLAGS_FOR_TARGET)
2525 AC_SUBST(LDFLAGS_FOR_TARGET)
2527 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2528 # the named directory are copied to $(tooldir)/sys-include.
2529 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2530 if test x${is_cross_compiler} = xno ; then
2531 echo 1>&2 '***' --with-headers is only supported when cross compiling
2534 if test x"${with_headers}" != xyes ; then
2535 x=${gcc_cv_tool_prefix}
2536 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2540 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2541 # the name directories are copied to $(tooldir)/lib. Multiple directories
2543 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2544 if test x${is_cross_compiler} = xno ; then
2545 echo 1>&2 '***' --with-libs is only supported when cross compiling
2548 if test x"${with_libs}" != xyes ; then
2549 # Copy the libraries in reverse order, so that files in the first named
2550 # library override files in subsequent libraries.
2551 x=${gcc_cv_tool_prefix}
2552 for l in ${with_libs}; do
2553 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2558 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2560 # This is done by determining whether or not the appropriate directory
2561 # is available, and by checking whether or not specific configurations
2562 # have requested that this magic not happen.
2564 # The command line options always override the explicit settings in
2565 # configure.ac, and the settings in configure.ac override this magic.
2567 # If the default for a toolchain is to use GNU as and ld, and you don't
2568 # want to do that, then you should use the --without-gnu-as and
2569 # --without-gnu-ld options for the configure script. Similarly, if
2570 # the default is to use the included zlib and you don't want to do that,
2571 # you should use the --with-system-zlib option for the configure script.
2573 if test x${use_gnu_as} = x &&
2574 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2576 extra_host_args="$extra_host_args --with-gnu-as"
2579 if test x${use_gnu_ld} = x &&
2580 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2582 extra_host_args="$extra_host_args --with-gnu-ld"
2585 if test x${use_included_zlib} = x &&
2586 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2589 with_system_zlib=yes
2590 extra_host_args="$extra_host_args --with-system-zlib"
2593 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2594 # can detect this case.
2596 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2598 extra_host_args="$extra_host_args --with-newlib"
2601 # Handle ${copy_dirs}
2602 set fnord ${copy_dirs}
2604 while test $# != 0 ; do
2605 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2608 echo Copying $1 to $2
2610 # Use the install script to create the directory and all required
2611 # parent directories.
2612 if test -d $2 ; then
2616 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2619 # Copy the directory, assuming we have tar.
2620 # FIXME: Should we use B in the second tar? Not all systems support it.
2621 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2623 # It is the responsibility of the user to correctly adjust all
2624 # symlinks. If somebody can figure out how to handle them correctly
2625 # here, feel free to add the code.
2632 # Determine a target-dependent exec_prefix that the installed
2633 # gcc will search in. Keep this list sorted by triplet, with
2634 # the *-*-osname triplets last.
2637 i[[34567]]86-pc-msdosdjgpp*)
2638 md_exec_prefix=/dev/env/DJDIR/bin
2643 md_exec_prefix=/usr/ccs/bin
2647 extra_arflags_for_target=
2648 extra_nmflags_for_target=
2649 extra_ranlibflags_for_target=
2650 target_makefile_frag=/dev/null
2653 target_makefile_frag="config/mt-spu"
2655 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2656 target_makefile_frag="config/mt-sde"
2658 mipsisa*-*-elfoabi*)
2659 target_makefile_frag="config/mt-mips-elfoabi"
2661 mips*-*-*linux* | mips*-*-gnu*)
2662 target_makefile_frag="config/mt-mips-gnu"
2665 target_makefile_frag="config/mt-nios2-elf"
2668 target_makefile_frag="config/mt-android"
2670 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2671 target_makefile_frag="config/mt-gnu"
2673 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2674 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2675 # commands to handle both 32-bit and 64-bit objects. These flags are
2676 # harmless if we're using GNU nm or ar.
2677 extra_arflags_for_target=" -X32_64"
2678 extra_nmflags_for_target=" -B -X32_64"
2682 alphaieee_frag=/dev/null
2685 # This just makes sure to use the -mieee option to build target libs.
2686 # This should probably be set individually by each library.
2687 alphaieee_frag="config/mt-alphaieee"
2691 # If --enable-target-optspace always use -Os instead of -O2 to build
2692 # the target libraries, similarly if it is not specified, use -Os
2693 # on selected platforms.
2694 ospace_frag=/dev/null
2695 case "${enable_target_optspace}:${target}" in
2697 ospace_frag="config/mt-ospace"
2700 ospace_frag="config/mt-d30v"
2702 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2703 ospace_frag="config/mt-ospace"
2708 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2712 # Some systems (e.g., one of the i386-aix systems the gas testers are
2713 # using) don't handle "\$" correctly, so don't use it here.
2714 tooldir='${exec_prefix}'/${target_noncanonical}
2715 build_tooldir=${tooldir}
2717 # Create a .gdbinit file which runs the one in srcdir
2718 # and tells GDB to look there for source files.
2720 if test -r ${srcdir}/.gdbinit ; then
2723 *) cat > ./.gdbinit <<EOF
2727 source ${srcdir}/.gdbinit
2733 # Make sure that the compiler is able to generate an executable. If it
2734 # can't, we are probably in trouble. We don't care whether we can run the
2735 # executable--we might be using a cross compiler--we only care whether it
2736 # can be created. At this point the main configure script has set CC.
2738 echo "int main () { return 0; }" > conftest.c
2739 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2740 if test $? = 0 ; then
2741 if test -s conftest || test -s conftest.exe ; then
2747 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2748 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2755 # Decide which environment variable is used to find dynamic libraries.
2757 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2758 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2759 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2760 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2763 # On systems where the dynamic library environment variable is PATH,
2764 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2765 # built executables to PATH.
2766 if test "$RPATH_ENVVAR" = PATH; then
2767 GCC_SHLIB_SUBDIR=/shlib
2772 # Adjust the toplevel makefile according to whether bootstrap was selected.
2773 case $enable_bootstrap in
2775 bootstrap_suffix=bootstrap
2776 BUILD_CONFIG=bootstrap-debug
2779 bootstrap_suffix=no-bootstrap
2784 AC_MSG_CHECKING(for default BUILD_CONFIG)
2786 AC_ARG_WITH([build-config],
2787 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2788 [use config/NAME.mk build configuration])],
2789 [case $with_build_config in
2790 yes) with_build_config= ;;
2791 no) with_build_config= BUILD_CONFIG= ;;
2794 if test "x${with_build_config}" != x; then
2795 BUILD_CONFIG=$with_build_config
2797 case $BUILD_CONFIG in
2799 if echo "int f (void) { return 0; }" > conftest.c &&
2800 ${CC} -c conftest.c &&
2801 mv conftest.o conftest.o.g0 &&
2802 ${CC} -c -g conftest.c &&
2803 mv conftest.o conftest.o.g &&
2804 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2809 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2813 AC_MSG_RESULT($BUILD_CONFIG)
2814 AC_SUBST(BUILD_CONFIG)
2816 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2817 AC_MSG_CHECKING([for --enable-vtable-verify])
2818 AC_ARG_ENABLE(vtable-verify,
2819 [AS_HELP_STRING([--enable-vtable-verify],
2820 [Enable vtable verification feature])],
2821 [case "$enableval" in
2822 yes) enable_vtable_verify=yes ;;
2823 no) enable_vtable_verify=no ;;
2824 *) enable_vtable_verify=no;;
2826 [enable_vtable_verify=no])
2827 AC_MSG_RESULT($enable_vtable_verify)
2829 # Record target_configdirs and the configure arguments for target and
2830 # build configuration in Makefile.
2831 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2832 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2833 bootstrap_fixincludes=no
2835 # If we are building libgomp, bootstrap it.
2836 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2837 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2840 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2841 # or bootstrap-ubsan, bootstrap it.
2842 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2843 case "$BUILD_CONFIG" in
2844 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
2845 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2846 bootstrap_fixincludes=yes
2851 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2852 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2853 test "$enable_vtable_verify" != no; then
2854 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2857 # If we are building libatomic and the list of enabled languages includes the
2858 # D frontend, bootstrap it.
2859 if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then
2860 case ,${enable_languages}, in
2862 bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
2867 # Determine whether gdb needs tk/tcl or not.
2868 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2869 # and in that case we want gdb to be built without tk. Ugh!
2870 # In fact I believe gdb is the *only* package directly dependent on tk,
2871 # so we should be able to put the 'maybe's in unconditionally and
2872 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2873 # 100% sure that that's safe though.
2875 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2876 case "$enable_gdbtk" in
2880 GDB_TK="${gdb_tk}" ;;
2882 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2883 # distro. Eventually someone will fix this and move Insight, nee
2884 # gdbtk to a separate directory.
2885 if test -d ${srcdir}/gdb/gdbtk ; then
2892 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2893 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2895 # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2896 # else does, only include them if one of these is built. The Makefile
2897 # provides the ordering, so it's enough here to add to the list.
2898 case " ${configdirs} " in
2900 configdirs="${configdirs} gnulib gdbsupport"
2903 configdirs="${configdirs} gnulib gdbsupport"
2906 configdirs="${configdirs} gnulib"
2910 # Strip out unwanted targets.
2912 # While at that, we remove Makefiles if we were started for recursive
2913 # configuration, so that the top-level Makefile reconfigures them,
2914 # like we used to do when configure itself was recursive.
2916 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2917 # but now we're fixing up the Makefile ourselves with the additional
2918 # commands passed to AC_CONFIG_FILES. Use separate variables
2919 # extrasub-{build,host,target} not because there is any reason to split
2920 # the substitutions up that way, but only to remain below the limit of
2921 # 99 commands in a script, for HP-UX sed.
2923 # Do not nest @if/@endif or @unless/@endunless pairs, because
2924 # configure will not warn you at all.
2926 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2927 yes:yes:*\ gold\ *:*,c++,*) ;;
2928 yes:yes:*\ gold\ *:*)
2929 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2934 for module in ${build_configdirs} ; do
2935 if test -z "${no_recursion}" \
2936 && test -f ${build_subdir}/${module}/Makefile; then
2937 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2938 rm -f ${build_subdir}/${module}/Makefile
2940 extrasub_build="$extrasub_build
2941 /^@if build-$module\$/d
2942 /^@endif build-$module\$/d
2943 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2944 /^@if build-$module-$bootstrap_suffix\$/d
2945 /^@endif build-$module-$bootstrap_suffix\$/d
2946 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2949 for module in ${configdirs} ; do
2950 if test -z "${no_recursion}"; then
2951 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2952 if test -f ${file}; then
2953 echo 1>&2 "*** removing ${file} to force reconfigure"
2958 case ${module},${bootstrap_fixincludes} in
2959 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2960 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2962 extrasub_host="$extrasub_host
2964 /^@endif $module\$/d
2965 /^@unless $module\$/,/^@endunless $module\$/d
2966 /^@if $module-$host_bootstrap_suffix\$/d
2967 /^@endif $module-$host_bootstrap_suffix\$/d
2968 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2971 for module in ${target_configdirs} ; do
2972 if test -z "${no_recursion}" \
2973 && test -f ${target_subdir}/${module}/Makefile; then
2974 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2975 rm -f ${target_subdir}/${module}/Makefile
2978 # We only bootstrap target libraries listed in bootstrap_target_libs.
2979 case $bootstrap_target_libs in
2980 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2981 *) target_bootstrap_suffix=no-bootstrap ;;
2984 extrasub_target="$extrasub_target
2985 /^@if target-$module\$/d
2986 /^@endif target-$module\$/d
2987 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2988 /^@if target-$module-$target_bootstrap_suffix\$/d
2989 /^@endif target-$module-$target_bootstrap_suffix\$/d
2990 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2993 # Do the final fixup along with target modules.
2994 extrasub_target="$extrasub_target
2999 # Create the serialization dependencies. This uses a temporary file.
3001 AC_ARG_ENABLE([serial-configure],
3002 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
3003 [force sequential configuration of
3004 sub-packages for the host, target or build
3005 machine, or all sub-packages])])
3007 case ${enable_serial_configure} in
3009 enable_serial_build_configure=yes
3010 enable_serial_host_configure=yes
3011 enable_serial_target_configure=yes
3015 # These force 'configure's to be done one at a time, to avoid problems
3016 # with contention over a shared config.cache.
3018 echo '# serdep.tmp' > serdep.tmp
3020 test "x${enable_serial_build_configure}" = xyes &&
3021 for item in ${build_configdirs} ; do
3024 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
3029 test "x${enable_serial_host_configure}" = xyes &&
3030 for item in ${configdirs} ; do
3033 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
3038 test "x${enable_serial_target_configure}" = xyes &&
3039 for item in ${target_configdirs} ; do
3042 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
3046 serialization_dependencies=serdep.tmp
3047 AC_SUBST_FILE(serialization_dependencies)
3049 # Base args. Strip norecursion, cache-file, srcdir, host, build,
3050 # target, nonopt, and variable assignments. These are the ones we
3051 # might not want to pass down to subconfigures. The exception being
3052 # --cache-file=/dev/null, which is used to turn off the use of cache
3053 # files altogether, and which should be passed on to subconfigures.
3054 # Also strip program-prefix, program-suffix, and program-transform-name,
3055 # so that we can pass down a consistent program-transform-name.
3060 eval "set -- $ac_configure_args"
3063 if test X"$skip_next" = X"yes"; then
3067 if test X"$keep_next" = X"yes"; then
3070 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3072 baseargs="$baseargs '$ac_arg'"
3073 tbaseargs="$tbaseargs '$ac_arg'"
3078 # Handle separated arguments. Based on the logic generated by
3081 *=* | --config-cache | -C | -disable-* | --disable-* \
3082 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3083 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3084 | -with-* | --with-* | -without-* | --without-* | --x)
3098 --with-* | --without-*)
3099 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3103 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3106 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3115 mpc | mpfr | gmp | isl)
3116 # If we're processing --with-$lib, --with-$lib-include or
3117 # --with-$lib-lib, for one of the libs above, and target is
3118 # different from host, don't pass the current argument to any
3119 # target library's configure.
3120 if test x$is_cross_compiler = xyes; then
3129 --cache-file=/dev/null | \
3130 -cache-file=/dev/null )
3131 # Handled here to avoid the test to skip args below.
3132 baseargs="$baseargs '$ac_arg'"
3133 tbaseargs="$tbaseargs '$ac_arg'"
3134 # Assert: $separate_arg should always be no.
3135 keep_next=$separate_arg
3151 -program-prefix* | \
3152 -program-suffix* | \
3153 -program-transform-name* )
3154 skip_next=$separate_arg
3158 # An option. Add it.
3161 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3163 baseargs="$baseargs '$ac_arg'"
3164 if test X"$skip_targ" = Xno; then
3165 tbaseargs="$tbaseargs '$ac_arg'"
3167 keep_next=$separate_arg
3170 # Either a variable assignment, or a nonopt (triplet). Don't
3171 # pass it down; let the Makefile handle this.
3176 # Remove the initial space we just introduced and, as these will be
3177 # expanded by make, quote '$'.
3178 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3180 # Add in --program-transform-name, after --program-prefix and
3181 # --program-suffix have been applied to it. Autoconf has already
3182 # doubled dollar signs and backslashes in program_transform_name; we want
3183 # the backslashes un-doubled, and then the entire thing wrapped in single
3184 # quotes, because this will be expanded first by make and then by the shell.
3185 # Also, because we want to override the logic in subdir configure scripts to
3186 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3187 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3188 ${program_transform_name}
3190 gcc_transform_name=`cat conftestsed.out`
3191 rm -f conftestsed.out
3192 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3193 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3194 if test "$silent" = yes; then
3195 baseargs="$baseargs --silent"
3196 tbaseargs="$tbaseargs --silent"
3198 baseargs="$baseargs --disable-option-checking"
3199 tbaseargs="$tbaseargs --disable-option-checking"
3201 # Record and document user additions to sub configure arguments.
3202 AC_ARG_VAR([build_configargs],
3203 [additional configure arguments for build directories])
3204 AC_ARG_VAR([host_configargs],
3205 [additional configure arguments for host directories])
3206 AC_ARG_VAR([target_configargs],
3207 [additional configure arguments for target directories])
3209 # For the build-side libraries, we just need to pretend we're native,
3210 # and not use the same cache file. Multilibs are neither needed nor
3211 # desired. We can't even use the same cache file for all build-side
3212 # libraries, as they're compiled differently; some with C, some with
3213 # C++ or with different feature-enabling options.
3214 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3216 # For host modules, accept cache file option, or specification as blank.
3217 case "${cache_file}" in
3219 cache_file_option="" ;;
3220 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3221 cache_file_option="--cache-file=${cache_file}" ;;
3223 cache_file_option="--cache-file=../${cache_file}" ;;
3226 # Host dirs don't like to share a cache file either, horribly enough.
3227 # This seems to be due to autoconf 2.5x stupidity.
3228 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3230 target_configargs="$target_configargs ${tbaseargs}"
3232 # Passing a --with-cross-host argument lets the target libraries know
3233 # whether they are being built with a cross-compiler or being built
3234 # native. However, it would be better to use other mechanisms to make the
3235 # sorts of decisions they want to make on this basis. Please consider
3236 # this option to be deprecated. FIXME.
3237 if test x${is_cross_compiler} = xyes ; then
3238 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3241 # Special user-friendly check for native x86_64-linux build, if
3242 # multilib is not explicitly enabled.
3243 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3244 x86_64-*linux*:yes:$build:$build:)
3245 # Make sure we have a development environment that handles 32-bit
3247 echo "int main () { return 0; }" > conftest.c
3248 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3249 if test $? = 0 ; then
3250 if test -s conftest || test -s conftest.exe ; then
3255 if test x${dev64} != xyes ; then
3256 AC_MSG_ERROR([I suspect your system does not have 32-bit development 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.])
3261 # Default to --enable-multilib.
3262 if test x${enable_multilib} = x ; then
3263 target_configargs="--enable-multilib ${target_configargs}"
3266 # Pass --with-newlib if appropriate. Note that target_configdirs has
3267 # changed from the earlier setting of with_newlib.
3268 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3269 target_configargs="--with-newlib ${target_configargs}"
3272 # Different target subdirs use different values of certain variables
3273 # (notably CXX). Worse, multilibs use *lots* of different values.
3274 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3275 # it doesn't automatically accept command-line overrides of them.
3276 # This means it's not safe for target subdirs to share a cache file,
3277 # which is disgusting, but there you have it. Hopefully this can be
3278 # fixed in future. It's still worthwhile to use a cache file for each
3279 # directory. I think.
3281 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3282 # We need to pass --target, as newer autoconf's requires consistency
3283 # for target_alias and gcc doesn't manage it consistently.
3284 target_configargs="--cache-file=./config.cache ${target_configargs}"
3287 case " $target_configdirs " in
3289 case " $target_configargs " in
3290 *" --with-newlib "*)
3293 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3297 # If we're not building GCC, don't discard standard headers.
3298 if test -d ${srcdir}/gcc; then
3299 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3301 if test "${build}" != "${host}"; then
3302 # On Canadian crosses, CC_FOR_TARGET will have already been set
3303 # by `configure', so we won't have an opportunity to add -Bgcc/
3304 # to it. This is right: we don't want to search that directory
3305 # for binaries, but we want the header files in there, so add
3307 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3309 # Someone might think of using the pre-installed headers on
3310 # Canadian crosses, in case the installed compiler is not fully
3311 # compatible with the compiler being built. In this case, it
3312 # would be better to flag an error than risking having
3313 # incompatible object files being constructed. We can't
3314 # guarantee that an error will be flagged, but let's hope the
3315 # compiler will do it, when presented with incompatible header
3320 case "${target}-${is_cross_compiler}" in
3321 i[[3456789]]86-*-linux*-no)
3322 # Here host == target, so we don't need to build gcc,
3323 # so we don't want to discard standard headers.
3324 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3327 # If we're building newlib, use its generic headers last, but search
3328 # for any libc-related directories first (so make it the last -B
3330 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3332 # If we're building libgloss, find the startup file, simulator library
3333 # and linker script.
3334 case " $target_configdirs " in
3336 # Look for startup file, simulator library and maybe linker script.
3337 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3338 # Look for libnosys.a in case the target needs it.
3339 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3340 # Most targets have the linker script in the source directory.
3341 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3352 x86_64-*mingw* | *-w64-mingw*)
3353 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3354 # however, use a symlink named 'mingw' in ${prefix} .
3355 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3358 # MinGW can't be handled as Cygwin above since it does not use newlib.
3359 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3363 # Allow the user to override the flags for
3364 # our build compiler if desired.
3365 if test x"${build}" = x"${host}" ; then
3366 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3367 CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}}
3368 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3369 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3372 # On Canadian crosses, we'll be searching the right directories for
3373 # the previously-installed cross compiler, so don't bother to add
3374 # flags for directories within the install tree of the compiler
3375 # being built; programs in there won't even run.
3376 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3377 # Search for pre-installed headers if nothing else fits.
3378 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3381 if test "x${use_gnu_ld}" = x &&
3382 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3383 # Arrange for us to find uninstalled linker scripts.
3384 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3387 # Search for other target-specific linker scripts and such.
3390 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3394 # Makefile fragments.
3395 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3397 eval fragval=\$$frag
3398 if test $fragval != /dev/null; then
3399 eval $frag=${srcdir}/$fragval
3402 AC_SUBST_FILE(host_makefile_frag)
3403 AC_SUBST_FILE(target_makefile_frag)
3404 AC_SUBST_FILE(alphaieee_frag)
3405 AC_SUBST_FILE(ospace_frag)
3407 # Miscellanea: directories, flags, etc.
3408 AC_SUBST(RPATH_ENVVAR)
3409 AC_SUBST(GCC_SHLIB_SUBDIR)
3411 AC_SUBST(build_tooldir)
3412 AC_SUBST(CONFIGURE_GDB_TK)
3414 AC_SUBST(INSTALL_GDB_TK)
3416 # Build module lists & subconfigure args.
3417 AC_SUBST(build_configargs)
3418 AC_SUBST(build_configdirs)
3420 # Host module lists & subconfigure args.
3421 AC_SUBST(host_configargs)
3422 AC_SUBST(configdirs)
3423 AC_SUBST(target_configdirs)
3425 # Target module lists & subconfigure args.
3426 AC_SUBST(target_configargs)
3430 AC_SUBST(AR_FOR_BUILD)
3431 AC_SUBST(AS_FOR_BUILD)
3432 AC_SUBST(CC_FOR_BUILD)
3433 AC_SUBST(CFLAGS_FOR_BUILD)
3434 AC_SUBST(CPP_FOR_BUILD)
3435 AC_SUBST(CPPFLAGS_FOR_BUILD)
3436 AC_SUBST(CXXFLAGS_FOR_BUILD)
3437 AC_SUBST(CXX_FOR_BUILD)
3438 AC_SUBST(DLLTOOL_FOR_BUILD)
3439 AC_SUBST(DSYMUTIL_FOR_BUILD)
3440 AC_SUBST(GFORTRAN_FOR_BUILD)
3441 AC_SUBST(GOC_FOR_BUILD)
3442 AC_SUBST(GDC_FOR_BUILD)
3443 AC_SUBST(LDFLAGS_FOR_BUILD)
3444 AC_SUBST(LD_FOR_BUILD)
3445 AC_SUBST(NM_FOR_BUILD)
3446 AC_SUBST(RANLIB_FOR_BUILD)
3447 AC_SUBST(WINDMC_FOR_BUILD)
3448 AC_SUBST(WINDRES_FOR_BUILD)
3450 # Generate default definitions for YACC, M4, LEX and other programs that run
3451 # on the build machine. These are used if the Makefile can't locate these
3452 # programs in objdir.
3453 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3455 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3456 case " $build_configdirs " in
3457 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3460 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3461 case " $build_configdirs " in
3462 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3465 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3466 case " $build_configdirs " in
3467 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3470 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3471 case " $build_configdirs " in
3472 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3473 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3476 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3477 case " $build_configdirs " in
3478 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3481 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3482 case " $build_configdirs " in
3483 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3486 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3487 # higher, else we use the "missing" dummy.
3488 if ${MAKEINFO} --version \
3489 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3492 MAKEINFO="$MISSING makeinfo"
3498 # FIXME: expect and dejagnu may become build tools?
3500 AC_CHECK_PROGS(EXPECT, expect, expect)
3501 case " $configdirs " in
3503 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3507 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3508 case " $configdirs " in
3510 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3516 NCN_STRICT_CHECK_TOOLS(AR, ar)
3517 NCN_STRICT_CHECK_TOOLS(AS, as)
3518 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3519 NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil)
3520 NCN_STRICT_CHECK_TOOLS(LD, ld)
3521 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3522 NCN_STRICT_CHECK_TOOLS(NM, nm)
3523 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3524 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3525 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3526 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3527 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3528 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3529 NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
3530 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3539 AC_ARG_WITH([build-time-tools],
3540 [AS_HELP_STRING([--with-build-time-tools=PATH],
3541 [use given path to find target tools during the build])],
3542 [case x"$withval" in
3545 with_build_time_tools=
3546 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3549 [with_build_time_tools=])
3551 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3552 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3553 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3554 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3555 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3556 NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
3558 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3559 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3560 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3561 ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil)
3562 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3563 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3564 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3565 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3566 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3567 ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
3568 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3569 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3570 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3571 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3572 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3574 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3576 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3577 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3578 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3579 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3580 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3581 [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],
3583 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3584 [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],
3586 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3587 GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL)
3588 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3589 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3590 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3591 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3592 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3593 GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3594 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
3595 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3596 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3597 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3598 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3599 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3600 GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
3601 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3602 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3603 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3604 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3605 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3607 AC_SUBST(FLAGS_FOR_TARGET)
3608 AC_SUBST(RAW_CXX_FOR_TARGET)
3610 # Certain tools may need extra flags.
3611 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3612 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3613 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3615 # When building target libraries, except in a Canadian cross, we use
3616 # the same toolchain as the compiler we just built.
3617 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3618 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3619 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3620 if test $host = $build; then
3621 case " $configdirs " in
3623 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3624 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3625 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3630 AC_SUBST(COMPILER_AS_FOR_TARGET)
3631 AC_SUBST(COMPILER_LD_FOR_TARGET)
3632 AC_SUBST(COMPILER_NM_FOR_TARGET)
3634 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3635 AC_ARG_ENABLE(maintainer-mode,
3636 [AS_HELP_STRING([--enable-maintainer-mode],
3637 [enable make rules and dependencies not useful
3638 (and sometimes confusing) to the casual installer])],
3639 USE_MAINTAINER_MODE=$enableval,
3640 USE_MAINTAINER_MODE=no)
3641 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3642 AC_SUBST(MAINTAINER_MODE_TRUE)
3643 AC_SUBST(MAINTAINER_MODE_FALSE)
3644 if test "$USE_MAINTAINER_MODE" = yes; then
3645 MAINTAINER_MODE_TRUE=
3646 MAINTAINER_MODE_FALSE='#'
3648 MAINTAINER_MODE_TRUE='#'
3649 MAINTAINER_MODE_FALSE=
3651 MAINT=$MAINTAINER_MODE_TRUE
3654 # ---------------------
3655 # GCC bootstrap support
3656 # ---------------------
3658 # Stage specific cflags for build.
3663 yes) stage1_cflags="-g -Wa,-J" ;;
3664 *) stage1_cflags="-g -J" ;;
3668 AC_SUBST(stage1_cflags)
3670 # Enable --enable-checking in stage1 of the compiler.
3671 AC_ARG_ENABLE(stage1-checking,
3672 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3673 [choose additional checking for stage1 of the compiler])],
3674 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3675 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3676 # For --disable-checking or implicit --enable-checking=release, avoid
3677 # setting --enable-checking=gc in the default stage1 checking for LTO
3678 # bootstraps. See PR62077.
3679 case $BUILD_CONFIG in
3681 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3683 stage1_checking=--enable-checking=yes,types;;
3685 if test "x$enable_checking" = x && \
3686 test -d ${srcdir}/gcc && \
3687 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3688 stage1_checking=--enable-checking=yes,types,extra
3691 stage1_checking=--enable-checking=$enable_checking,types
3693 AC_SUBST(stage1_checking)
3695 # Enable -Werror in bootstrap stage2 and later.
3696 AC_ARG_ENABLE(werror,
3697 [AS_HELP_STRING([--enable-werror],
3698 [enable -Werror in bootstrap stage2 and later])],
3700 case ${enable_werror} in
3701 yes) stage2_werror_flag="--enable-werror-always" ;;
3702 *) stage2_werror_flag="" ;;
3706 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3707 case $BUILD_CONFIG in
3709 stage2_werror_flag="--enable-werror-always" ;;
3711 stage2_werror_flag="--enable-werror-always" ;;
3716 AC_SUBST(stage2_werror_flag)
3718 # Specify what files to not compare during bootstrap.
3720 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3722 hppa*64*-*-hpux*) ;;
3723 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
3724 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
3726 AC_SUBST(compare_exclusions)
3728 AC_CONFIG_FILES([Makefile],
3729 [sed "$extrasub_build" Makefile |
3730 sed "$extrasub_host" |
3731 sed "$extrasub_target" > mf$$
3732 mv -f mf$$ Makefile],
3733 [extrasub_build="$extrasub_build"
3734 extrasub_host="$extrasub_host"
3735 extrasub_target="$extrasub_target"])