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([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
95 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
99 # Set srcdir to "." if that's what it is.
100 # This is important for multilib support.
102 if test "${pwd}" = "${srcpwd}" ; then
110 ### To add a new directory to the tree, first choose whether it is a target
111 ### or a host dependent tool. Then put it into the appropriate list
112 ### (library or tools, host or target), doing a dependency sort.
114 # Subdirs will be configured in the order listed in build_configdirs,
115 # configdirs, or target_configdirs; see the serialization section below.
117 # Dependency sorting is only needed when *configuration* must be done in
118 # a particular order. In all cases a dependency should be specified in
119 # the Makefile, whether or not it's implicitly specified here.
121 # Double entries in build_configdirs, configdirs, or target_configdirs may
122 # cause circular dependencies and break everything horribly.
124 # these library is used by various programs built for the build
127 build_libs="build-libiberty build-libcpp"
129 # these tools are built for the build environment
130 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
132 # these libraries are used by various programs built for the host environment
134 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
136 # these tools are built for the host environment
137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138 # know that we are building the simulator.
139 # binutils, gas and ld appear in that order because it makes sense to run
140 # "make check" in that particular order.
141 # If --enable-gold is used, "gold" may replace "ld".
142 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
144 # these libraries are built for the target environment, and are built after
145 # the host libraries and the host tools (which may be a cross compiler)
146 # Note that libiberty is not a target library.
147 target_libraries="target-libgcc \
148 target-libbacktrace \
152 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 # Handle --enable-gold, --enable-ld.
303 # --disable-gold [--enable-ld]
304 # Build only ld. Default option.
305 # --enable-gold [--enable-ld]
306 # Build both gold and ld. Install gold as "ld.gold", install ld
307 # as "ld.bfd" and "ld".
308 # --enable-gold=default [--enable-ld]
309 # Build both gold and ld. Install gold as "ld.gold" and "ld",
310 # install ld as "ld.bfd".
311 # --enable-gold[=default] --disable-ld
312 # Build only gold, which is then installed as both "ld.gold" and "ld".
313 # --enable-gold --enable-ld=default
314 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
316 # In other words, ld is default
317 # --enable-gold=default --enable-ld=default
322 [AS_HELP_STRING([[--enable-gold[=ARG]]],
323 [build gold @<:@ARG={default,yes,no}@:>@])],
324 ENABLE_GOLD=$enableval,
326 case "${ENABLE_GOLD}" in
328 # Check for ELF target.
331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
334 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
336 *-*-linux*aout* | *-*-linux*oldld*)
344 if test "$is_elf" = "yes"; then
345 # Check for target supported by gold.
347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
349 configdirs="$configdirs gold"
350 if test x${ENABLE_GOLD} = xdefault; then
361 AC_MSG_ERROR([invalid --enable-gold argument])
366 [AS_HELP_STRING([[--enable-ld[=ARG]]],
367 [build ld @<:@ARG={default,yes,no}@:>@])],
368 ENABLE_LD=$enableval,
371 case "${ENABLE_LD}" in
373 if test x${default_ld} != x; then
374 AC_MSG_ERROR([either gold or ld can be the default ld])
380 if test x${ENABLE_GOLD} != xyes; then
381 AC_MSG_WARN([neither ld nor gold are enabled])
383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
386 AC_MSG_ERROR([invalid --enable-ld argument])
391 # Decide the default method for compressing debug sections.
392 # Provide a configure time option to override our default.
393 AC_ARG_ENABLE(compressed_debug_sections,
394 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
395 [Enable compressed debug sections for gas, gold or ld by
398 if test x"$enable_compressed_debug_sections" = xyes; then
399 AC_MSG_ERROR([no program with compressed debug sections specified])
401 ], [enable_compressed_debug_sections=])
403 # Configure extra directories which are host specific
407 configdirs="$configdirs libtermcap" ;;
410 # A target can indicate whether a language isn't supported for some reason.
411 # Only spaces may be used in this macro; not newlines or tabs.
412 unsupported_languages=
414 # Remove more programs from consideration, based on the host or
415 # target this usually means that a port of the program doesn't
419 i[[3456789]]86-*-msdosdjgpp*)
420 noconfigdirs="$noconfigdirs tcl tk itcl"
425 AC_ARG_ENABLE(libquadmath,
426 AS_HELP_STRING([--disable-libquadmath],
427 [do not build libquadmath directory]),
428 ENABLE_LIBQUADMATH=$enableval,
429 ENABLE_LIBQUADMATH=yes)
430 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
431 noconfigdirs="$noconfigdirs target-libquadmath"
435 AC_ARG_ENABLE(libquadmath-support,
436 AS_HELP_STRING([--disable-libquadmath-support],
437 [disable libquadmath support for Fortran]),
438 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
439 ENABLE_LIBQUADMATH_SUPPORT=yes)
440 enable_libquadmath_support=
441 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
442 enable_libquadmath_support=no
446 AC_ARG_ENABLE(libada,
447 [AS_HELP_STRING([--enable-libada], [build libada directory])],
448 ENABLE_LIBADA=$enableval,
450 if test "${ENABLE_LIBADA}" != "yes" ; then
451 noconfigdirs="$noconfigdirs gnattools"
454 AC_ARG_ENABLE(libssp,
455 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
456 ENABLE_LIBSSP=$enableval,
459 AC_ARG_ENABLE(libstdcxx,
460 AS_HELP_STRING([--disable-libstdcxx],
461 [do not build libstdc++-v3 directory]),
462 ENABLE_LIBSTDCXX=$enableval,
463 ENABLE_LIBSTDCXX=default)
464 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
468 # If this is accelerator compiler and its target is intelmic we enable
469 # target liboffloadmic by default. If this is compiler with offloading
470 # for intelmic we enable host liboffloadmic by default. Otherwise
471 # liboffloadmic is disabled by default.
472 AC_ARG_ENABLE([liboffloadmic],
473 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
475 [case "$enableval" in
477 enable_liboffloadmic=$enableval ;;
479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
481 [if test x"$enable_as_accelerator_for" != x; then
483 *-intelmic-* | *-intelmicemul-*)
484 enable_liboffloadmic=target
485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
488 enable_liboffloadmic=no
492 case "${enable_offload_targets}" in
493 *-intelmic-* | *-intelmicemul-*)
494 enable_liboffloadmic=host
495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
498 enable_liboffloadmic=no
502 AC_SUBST(extra_liboffloadmic_configure_flags)
504 # Enable libgomp by default on hosted POSIX systems, and a few others.
505 if test x$enable_libgomp = x ; then
507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
511 *-*-solaris2* | *-*-hpux11*)
513 *-*-darwin* | *-*-aix*)
518 noconfigdirs="$noconfigdirs target-libgomp"
523 # Disable libatomic on unsupported systems.
524 if test -d ${srcdir}/libatomic; then
525 if test x$enable_libatomic = x; then
526 AC_MSG_CHECKING([for libatomic support])
527 if (srcdir=${srcdir}/libatomic; \
528 . ${srcdir}/configure.tgt; \
529 test -n "$UNSUPPORTED")
532 noconfigdirs="$noconfigdirs target-libatomic"
539 # Disable liboffloadmic on unsupported systems.
540 if test -d ${srcdir}/liboffloadmic; then
541 if test x$enable_liboffloadmic != xno; then
542 AC_MSG_CHECKING([for liboffloadmic support])
543 if (srcdir=${srcdir}/liboffloadmic; \
544 . ${srcdir}/configure.tgt; \
545 test -n "$UNSUPPORTED")
548 noconfigdirs="$noconfigdirs target-liboffloadmic"
555 # Disable libitm on unsupported systems.
556 if test -d ${srcdir}/libitm; then
557 if test x$enable_libitm = x; then
558 AC_MSG_CHECKING([for libitm support])
559 if (srcdir=${srcdir}/libitm; \
560 . ${srcdir}/configure.tgt; \
561 test -n "$UNSUPPORTED")
564 noconfigdirs="$noconfigdirs target-libitm"
571 # Disable libsanitizer on unsupported systems.
572 if test -d ${srcdir}/libsanitizer; then
573 if test x$enable_libsanitizer = x; then
574 AC_MSG_CHECKING([for libsanitizer support])
575 if (srcdir=${srcdir}/libsanitizer; \
576 . ${srcdir}/configure.tgt; \
577 test -n "$UNSUPPORTED")
580 noconfigdirs="$noconfigdirs target-libsanitizer"
587 # Disable libvtv on unsupported systems.
588 if test -d ${srcdir}/libvtv; then
589 if test x$enable_libvtv = x; then
590 AC_MSG_CHECKING([for libvtv support])
591 if (srcdir=${srcdir}/libvtv; \
592 . ${srcdir}/configure.tgt; \
593 test "$VTV_SUPPORTED" != "yes")
596 noconfigdirs="$noconfigdirs target-libvtv"
604 # Disable libhsail-rt on unsupported systems.
605 if test -d ${srcdir}/libhsail-rt; then
606 if test x$enable_libhsail_rt = x; then
607 AC_MSG_CHECKING([for libhsail-rt support])
608 if (srcdir=${srcdir}/libhsail-rt; \
609 . ${srcdir}/configure.tgt; \
610 test -n "$UNSUPPORTED")
613 unsupported_languages="$unsupported_languages brig"
614 # This implicitly disables also target-libhsail-rt as it won't
615 # get added to the build without BRIG FE.
623 # Disable libquadmath for some systems.
626 noconfigdirs="$noconfigdirs target-libquadmath"
628 # libquadmath is unused on AIX and libquadmath build process use of
629 # LD_LIBRARY_PATH can break AIX bootstrap.
630 powerpc-*-aix* | rs6000-*-aix*)
631 noconfigdirs="$noconfigdirs target-libquadmath"
635 # Disable libssp for some systems.
638 # No hosted I/O support.
639 noconfigdirs="$noconfigdirs target-libssp"
642 noconfigdirs="$noconfigdirs target-libssp"
644 powerpc-*-aix* | rs6000-*-aix*)
645 noconfigdirs="$noconfigdirs target-libssp"
648 # No hosted I/O support.
649 noconfigdirs="$noconfigdirs target-libssp"
652 # libssp uses a misaligned load to trigger a fault, but the RL78
653 # doesn't fault for those - instead, it gives a build-time error
654 # for explicit misaligned loads.
655 noconfigdirs="$noconfigdirs target-libssp"
658 # No hosted I/O support.
659 noconfigdirs="$noconfigdirs target-libssp"
663 # Disable libstdc++-v3 for some systems.
664 # Allow user to override this if they pass --enable-libstdc++-v3
665 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
668 # VxWorks uses the Dinkumware C++ library.
669 noconfigdirs="$noconfigdirs target-libstdc++-v3"
672 # the C++ libraries don't build on top of CE's C libraries
673 noconfigdirs="$noconfigdirs target-libstdc++-v3"
676 noconfigdirs="$noconfigdirs target-libstdc++-v3"
679 noconfigdirs="$noconfigdirs target-libstdc++-v3"
682 noconfigdirs="$noconfigdirs target-libstdc++-v3"
687 # Disable C++ on systems where it is known to not work.
688 # For testing, you can override this with --enable-languages=c++.
689 case ,${enable_languages}, in
695 unsupported_languages="$unsupported_languages c++"
701 # Disable Objc on systems where it is known to not work.
702 # For testing, you can override this with --enable-languages=objc.
703 case ,${enable_languages}, in
709 unsupported_languages="$unsupported_languages objc"
715 # Disable D on systems where it is known to not work.
716 # For testing, you can override this with --enable-languages=d.
717 case ,${enable_languages}, in
723 unsupported_languages="$unsupported_languages d"
726 unsupported_languages="$unsupported_languages d"
732 # Disable libphobos on unsupported systems.
733 # For testing, you can override this with --enable-libphobos.
734 if test -d ${srcdir}/libphobos; then
735 if test x$enable_libphobos = x; then
736 AC_MSG_CHECKING([for libphobos support])
737 if (srcdir=${srcdir}/libphobos; \
738 . ${srcdir}/configure.tgt; \
739 test "$LIBPHOBOS_SUPPORTED" != "yes")
742 noconfigdirs="$noconfigdirs target-libphobos"
749 # Disable Fortran for some systems.
752 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
753 unsupported_languages="$unsupported_languages fortran"
756 unsupported_languages="$unsupported_languages fortran"
760 # Disable libffi for some systems.
764 i[[3456789]]86-*-darwin*)
766 x86_64-*-darwin[[912]]*)
769 noconfigdirs="$noconfigdirs target-libffi"
772 noconfigdirs="$noconfigdirs target-libffi"
775 noconfigdirs="$noconfigdirs target-libffi"
778 noconfigdirs="$noconfigdirs target-libffi"
781 noconfigdirs="$noconfigdirs target-libffi"
784 noconfigdirs="$noconfigdirs target-libffi"
787 noconfigdirs="$noconfigdirs target-libffi"
790 noconfigdirs="$noconfigdirs target-libffi"
793 noconfigdirs="$noconfigdirs target-libffi"
796 noconfigdirs="$noconfigdirs target-libffi"
799 noconfigdirs="$noconfigdirs target-libffi"
802 noconfigdirs="$noconfigdirs target-libffi"
805 noconfigdirs="$noconfigdirs target-libffi"
807 cris-*-* | crisv32-*-*)
811 *) # See PR46792 regarding target-libffi.
812 noconfigdirs="$noconfigdirs target-libffi";;
816 noconfigdirs="$noconfigdirs target-libffi"
821 noconfigdirs="$noconfigdirs target-libffi"
824 noconfigdirs="$noconfigdirs target-libffi"
826 i[[3456789]]86-w64-mingw*)
827 noconfigdirs="$noconfigdirs target-libffi"
829 i[[3456789]]86-*-mingw*)
830 noconfigdirs="$noconfigdirs target-libffi"
833 noconfigdirs="$noconfigdirs target-libffi"
836 noconfigdirs="$noconfigdirs target-libffi"
843 noconfigdirs="$noconfigdirs target-libffi"
846 noconfigdirs="$noconfigdirs target-libffi"
850 # Disable the go frontend on systems where it is known to not work. Please keep
851 # this in sync with contrib/config-list.mk.
853 *-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
854 unsupported_languages="$unsupported_languages go"
858 # Disable libgo for some systems where it is known to not work.
859 # For testing, you can easily override this with --enable-libgo.
860 if test x$enable_libgo = x; then
864 noconfigdirs="$noconfigdirs target-libgo"
866 *-*-cygwin* | *-*-mingw*)
867 noconfigdirs="$noconfigdirs target-libgo"
870 noconfigdirs="$noconfigdirs target-libgo"
875 # Default libgloss CPU subdirectory.
876 libgloss_dir="$target_cpu"
879 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
888 cris-*-* | crisv32-*-*)
897 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
917 # Disable newlib and libgloss for various target OSes.
920 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
922 i[[3456789]]86-*-linux*)
923 # This section makes it possible to build newlib natively on linux.
924 # If we are using a cross compiler then don't configure newlib.
925 if test x${is_cross_compiler} != xno ; then
926 noconfigdirs="$noconfigdirs target-newlib"
928 noconfigdirs="$noconfigdirs target-libgloss"
929 # If we are not using a cross compiler, do configure newlib.
930 # Note however, that newlib will only be configured in this situation
931 # if the --with-newlib option has been given, because otherwise
932 # 'target-newlib' will appear in skipdirs.
934 i[[3456789]]86-*-rdos*)
935 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
937 sh*-*-pe|mips*-*-pe|arm-wince-pe)
938 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
941 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
944 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
947 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
950 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
953 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
961 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
968 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
974 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
991 noconfigdirs="$noconfigdirs ld gas gdb gprof"
992 noconfigdirs="$noconfigdirs sim target-rda"
997 noconfigdirs="$noconfigdirs ld gas gdb gprof"
998 noconfigdirs="$noconfigdirs sim target-rda"
1001 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1002 noconfigdirs="$noconfigdirs sim target-rda"
1004 i[[3456789]]86-*-darwin*)
1005 noconfigdirs="$noconfigdirs ld gprof"
1006 noconfigdirs="$noconfigdirs sim target-rda"
1008 x86_64-*-darwin[[912]]*)
1009 noconfigdirs="$noconfigdirs ld gas gprof"
1010 noconfigdirs="$noconfigdirs sim target-rda"
1013 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1014 noconfigdirs="$noconfigdirs sim target-rda"
1019 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1020 && test -f /usr/local/include/gmp.h; then
1025 # Remove unsupported stuff on all kaOS configurations.
1026 noconfigdirs="$noconfigdirs target-libgloss"
1033 noconfigdirs="$noconfigdirs target-libgloss"
1036 noconfigdirs="$noconfigdirs target-libgloss"
1038 # The tpf target doesn't support gdb yet.
1040 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1043 noconfigdirs="$noconfigdirs target-rda"
1048 # ld works, but does not support shared libraries.
1049 # gas doesn't generate exception information.
1050 noconfigdirs="$noconfigdirs gas ld"
1053 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1056 # newlib is not 64 bit ready
1057 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1060 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1062 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1063 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1066 noconfigdirs="$noconfigdirs sim"
1069 noconfigdirs="$noconfigdirs target-libgloss"
1072 noconfigdirs="$noconfigdirs ld target-libgloss"
1075 if test x${with_avrlibc} != xno; then
1076 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1079 c4x-*-* | tic4x-*-*)
1080 noconfigdirs="$noconfigdirs target-libgloss"
1083 noconfigdirs="$noconfigdirs target-libgloss gdb"
1086 noconfigdirs="$noconfigdirs target-libgloss"
1089 noconfigdirs="$noconfigdirs gdb"
1092 noconfigdirs="$noconfigdirs gdb"
1095 noconfigdirs="$noconfigdirs target-rda gprof"
1098 noconfigdirs="$noconfigdirs"
1101 noconfigdirs="$noconfigdirs target-libgloss"
1104 noconfigdirs="$noconfigdirs target-libgloss"
1106 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1109 noconfigdirs="$noconfigdirs gdb"
1112 noconfigdirs="$noconfigdirs gdb ld"
1120 hppa*-*-openbsd* | \
1126 noconfigdirs="$noconfigdirs ld"
1129 noconfigdirs="$noconfigdirs gdb"
1132 # No gdb support yet.
1133 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1136 # No ld support yet.
1137 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1140 # No ld support yet.
1141 noconfigdirs="$noconfigdirs libgui itcl ld"
1143 i[[3456789]]86-w64-mingw*)
1145 i[[3456789]]86-*-mingw*)
1146 target_configdirs="$target_configdirs target-winsup"
1149 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1150 noconfigdirs="$noconfigdirs target-libgloss"
1151 # always build newlib if winsup directory is present.
1152 if test -d "$srcdir/winsup/cygwin"; then
1153 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1154 elif test -d "$srcdir/newlib"; then
1155 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1158 i[[3456789]]86-*-pe)
1159 noconfigdirs="$noconfigdirs target-libgloss"
1161 i[[3456789]]86-*-sco3.2v5*)
1162 # The linker does not yet know about weak symbols in COFF,
1163 # and is not configured to handle mixed ELF and COFF.
1164 noconfigdirs="$noconfigdirs ld target-libgloss"
1166 i[[3456789]]86-*-sco*)
1167 noconfigdirs="$noconfigdirs gprof target-libgloss"
1169 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1170 noconfigdirs="$noconfigdirs target-libgloss"
1172 i[[3456789]]86-*-sysv4*)
1173 noconfigdirs="$noconfigdirs target-libgloss"
1175 i[[3456789]]86-*-beos*)
1176 noconfigdirs="$noconfigdirs gdb"
1178 i[[3456789]]86-*-rdos*)
1179 noconfigdirs="$noconfigdirs gdb"
1182 noconfigdirs="$noconfigdirs gdb"
1185 noconfigdirs="$noconfigdirs sim"
1188 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1189 noconfigdirs="$noconfigdirs $target_libraries"
1192 # copied from rs6000-*-* entry
1193 noconfigdirs="$noconfigdirs gprof"
1195 powerpc*-*-winnt* | powerpc*-*-pe*)
1196 target_configdirs="$target_configdirs target-winsup"
1197 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1198 # always build newlib.
1199 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1201 # This is temporary until we can link against shared libraries
1202 powerpcle-*-solaris*)
1203 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1206 noconfigdirs="$noconfigdirs gdb"
1209 noconfigdirs="$noconfigdirs gprof"
1212 noconfigdirs="$noconfigdirs gprof"
1215 noconfigdirs="$noconfigdirs gprof"
1218 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1221 noconfigdirs="$noconfigdirs gprof"
1223 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1224 if test x$with_newlib = xyes; then
1225 noconfigdirs="$noconfigdirs gprof"
1229 noconfigdirs="$noconfigdirs gprof target-libgloss"
1232 noconfigdirs="$noconfigdirs gprof target-libgloss"
1235 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1239 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1240 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1241 noconfigdirs="$noconfigdirs ld gas gprof"
1244 noconfigdirs="$noconfigdirs gprof"
1247 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1254 noconfigdirs="$noconfigdirs target-libgloss" ;;
1258 if test x${is_cross_compiler} = xno ; then
1263 noconfigdirs="$noconfigdirs sim"
1265 tilepro*-*-* | tilegx*-*-*)
1266 noconfigdirs="$noconfigdirs sim"
1269 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1272 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1275 noconfigdirs="$noconfigdirs ld"
1279 # If we aren't building newlib, then don't build libgloss, since libgloss
1280 # depends upon some newlib header files.
1281 case "${noconfigdirs}" in
1282 *target-libgloss*) ;;
1283 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1286 # Work in distributions that contain no compiler tools, like Autoconf.
1287 host_makefile_frag=/dev/null
1288 if test -d ${srcdir}/config ; then
1290 i[[3456789]]86-*-msdosdjgpp*)
1291 host_makefile_frag="config/mh-djgpp"
1294 ACX_CHECK_CYGWIN_CAT_WORKS
1295 host_makefile_frag="config/mh-cygwin"
1298 host_makefile_frag="config/mh-mingw"
1301 host_makefile_frag="config/mh-alpha-linux"
1304 host_makefile_frag="config/mh-pa-hpux10"
1307 host_makefile_frag="config/mh-pa"
1310 host_makefile_frag="config/mh-pa"
1313 host_makefile_frag="config/mh-darwin"
1316 host_makefile_frag="config/mh-ppc-aix"
1319 host_makefile_frag="config/mh-ppc-aix"
1324 if test "${build}" != "${host}" ; then
1325 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1326 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1327 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1328 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1329 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1330 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1331 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
1332 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1333 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1334 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1335 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1336 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1337 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1339 AR_FOR_BUILD="\$(AR)"
1340 AS_FOR_BUILD="\$(AS)"
1341 CC_FOR_BUILD="\$(CC)"
1342 CXX_FOR_BUILD="\$(CXX)"
1343 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1344 GOC_FOR_BUILD="\$(GOC)"
1345 GDC_FOR_BUILD="\$(GDC)"
1346 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1347 LD_FOR_BUILD="\$(LD)"
1348 NM_FOR_BUILD="\$(NM)"
1349 RANLIB_FOR_BUILD="\$(RANLIB)"
1350 WINDRES_FOR_BUILD="\$(WINDRES)"
1351 WINDMC_FOR_BUILD="\$(WINDMC)"
1357 # We must set the default linker to the linker used by gcc for the correct
1358 # operation of libtool. If LD is not defined and we are using gcc, try to
1359 # set the LD default to the ld used by gcc.
1360 if test -z "$LD"; then
1361 if test "$GCC" = yes; then
1364 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1366 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1368 case $gcc_prog_ld in
1369 # Accept absolute paths.
1370 [[\\/]* | [A-Za-z]:[\\/]*)]
1371 LD="$gcc_prog_ld" ;;
1376 # Check whether -static-libstdc++ -static-libgcc is supported.
1378 if test "$GCC" = yes; then
1379 saved_LDFLAGS="$LDFLAGS"
1381 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1382 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1384 AC_LINK_IFELSE([AC_LANG_SOURCE([
1385 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1386 #error -static-libstdc++ not implemented
1389 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1390 [AC_MSG_RESULT([no])])
1393 LDFLAGS="$saved_LDFLAGS"
1397 ACX_PROG_CMP_IGNORE_INITIAL
1399 AC_ARG_ENABLE([bootstrap],
1400 [AS_HELP_STRING([--enable-bootstrap],
1401 [enable bootstrapping @<:@yes if native build@:>@])],,
1402 enable_bootstrap=default)
1404 # Issue errors and warnings for invalid/strange bootstrap combinations.
1405 if test -r $srcdir/gcc/configure; then
1411 case "$have_compiler:$host:$target:$enable_bootstrap" in
1414 # Default behavior. Enable bootstrap if we have a compiler
1415 # and we are in a native configuration.
1416 yes:$build:$build:default)
1417 enable_bootstrap=yes ;;
1420 enable_bootstrap=no ;;
1422 # We have a compiler and we are in a native configuration, bootstrap is ok
1423 yes:$build:$build:yes)
1426 # Other configurations, but we have a compiler. Assume the user knows
1429 AC_MSG_WARN([trying to bootstrap a cross compiler])
1432 # No compiler: if they passed --enable-bootstrap explicitly, fail
1434 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1436 # Fail if wrong command line
1438 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1442 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1443 # C++98 compiler can still start the bootstrap.
1444 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1445 CXX="$CXX -std=gnu++98"
1448 # Used for setting $lt_cv_objdir
1451 # Check for GMP, MPFR and MPC
1452 gmplibs="-lmpc -lmpfr -lgmp"
1456 # Specify a location for mpc
1457 # check for this first so it ends up on the link line before mpfr.
1459 [AS_HELP_STRING([--with-mpc=PATH],
1460 [specify prefix directory for installed MPC package.
1461 Equivalent to --with-mpc-include=PATH/include
1462 plus --with-mpc-lib=PATH/lib])])
1463 AC_ARG_WITH(mpc-include,
1464 [AS_HELP_STRING([--with-mpc-include=PATH],
1465 [specify directory for installed MPC include files])])
1466 AC_ARG_WITH(mpc-lib,
1467 [AS_HELP_STRING([--with-mpc-lib=PATH],
1468 [specify directory for the installed MPC library])])
1470 if test "x$with_mpc" != x; then
1471 gmplibs="-L$with_mpc/lib $gmplibs"
1472 gmpinc="-I$with_mpc/include $gmpinc"
1474 if test "x$with_mpc_include" != x; then
1475 gmpinc="-I$with_mpc_include $gmpinc"
1477 if test "x$with_mpc_lib" != x; then
1478 gmplibs="-L$with_mpc_lib $gmplibs"
1480 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1481 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1482 gmpinc='-I$$s/mpc/src '"$gmpinc"
1483 # Do not test the mpc version. Assume that it is sufficient, since
1484 # it is in the source tree, and the library has not been built yet
1485 # but it would be included on the link line in the version check below
1486 # hence making the test fail.
1490 # Specify a location for mpfr
1491 # check for this first so it ends up on the link line before gmp.
1492 AC_ARG_WITH(mpfr-dir,
1493 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1494 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1495 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1498 [AS_HELP_STRING([--with-mpfr=PATH],
1499 [specify prefix directory for installed MPFR package.
1500 Equivalent to --with-mpfr-include=PATH/include
1501 plus --with-mpfr-lib=PATH/lib])])
1502 AC_ARG_WITH(mpfr-include,
1503 [AS_HELP_STRING([--with-mpfr-include=PATH],
1504 [specify directory for installed MPFR include files])])
1505 AC_ARG_WITH(mpfr-lib,
1506 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1507 [specify directory for the installed MPFR library])])
1509 if test "x$with_mpfr" != x; then
1510 gmplibs="-L$with_mpfr/lib $gmplibs"
1511 gmpinc="-I$with_mpfr/include $gmpinc"
1513 if test "x$with_mpfr_include" != x; then
1514 gmpinc="-I$with_mpfr_include $gmpinc"
1516 if test "x$with_mpfr_lib" != x; then
1517 gmplibs="-L$with_mpfr_lib $gmplibs"
1519 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1520 # MPFR v3.1.0 moved the sources into a src sub-directory.
1521 if ! test -d ${srcdir}/mpfr/src; then
1523 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1525 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1526 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1527 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1528 # Do not test the mpfr version. Assume that it is sufficient, since
1529 # it is in the source tree, and the library has not been built yet
1530 # but it would be included on the link line in the version check below
1531 # hence making the test fail.
1535 # Specify a location for gmp
1536 AC_ARG_WITH(gmp-dir,
1537 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1538 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1539 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1542 [AS_HELP_STRING([--with-gmp=PATH],
1543 [specify prefix directory for the installed GMP package.
1544 Equivalent to --with-gmp-include=PATH/include
1545 plus --with-gmp-lib=PATH/lib])])
1546 AC_ARG_WITH(gmp-include,
1547 [AS_HELP_STRING([--with-gmp-include=PATH],
1548 [specify directory for installed GMP include files])])
1549 AC_ARG_WITH(gmp-lib,
1550 [AS_HELP_STRING([--with-gmp-lib=PATH],
1551 [specify directory for the installed GMP library])])
1554 if test "x$with_gmp" != x; then
1555 gmplibs="-L$with_gmp/lib $gmplibs"
1556 gmpinc="-I$with_gmp/include $gmpinc"
1558 if test "x$with_gmp_include" != x; then
1559 gmpinc="-I$with_gmp_include $gmpinc"
1561 if test "x$with_gmp_lib" != x; then
1562 gmplibs="-L$with_gmp_lib $gmplibs"
1564 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1565 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1566 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1567 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1568 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1569 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1570 # Do not test the gmp version. Assume that it is sufficient, since
1571 # it is in the source tree, and the library has not been built yet
1572 # but it would be included on the link line in the version check below
1573 # hence making the test fail.
1577 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1579 saved_CFLAGS="$CFLAGS"
1580 CFLAGS="$CFLAGS $gmpinc"
1581 # Check for the recommended and required versions of GMP.
1582 AC_MSG_CHECKING([for the correct version of gmp.h])
1583 AC_TRY_COMPILE([#include "gmp.h"],[
1584 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1585 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1586 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1589 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1590 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1591 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1592 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1595 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1596 [AC_MSG_RESULT([no]); have_gmp=no])
1598 # If we have GMP, check the MPFR version.
1599 if test x"$have_gmp" = xyes; then
1600 # Check for the recommended and required versions of MPFR.
1601 AC_MSG_CHECKING([for the correct version of mpfr.h])
1602 AC_TRY_COMPILE([#include <gmp.h>
1603 #include <mpfr.h>],[
1604 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
1607 ], [AC_TRY_COMPILE([#include <gmp.h>
1608 #include <mpfr.h>],[
1609 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
1612 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1613 [AC_MSG_RESULT([no]); have_gmp=no])
1616 # Check for the MPC header version.
1617 if test x"$have_gmp" = xyes ; then
1618 # Check for the recommended and required versions of MPC.
1619 AC_MSG_CHECKING([for the correct version of mpc.h])
1620 AC_TRY_COMPILE([#include <mpc.h>],[
1621 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1624 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1625 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1628 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1629 [AC_MSG_RESULT([no]); have_gmp=no])
1632 # Now check the MPFR library.
1633 if test x"$have_gmp" = xyes; then
1635 LIBS="$LIBS $gmplibs"
1636 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1637 AC_TRY_LINK([#include <mpc.h>],[
1644 mpfr_atan2 (n, n, x, MPFR_RNDN);
1645 mpfr_erfc (n, x, MPFR_RNDN);
1646 mpfr_subnormalize (x, t, MPFR_RNDN);
1650 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1651 mpc_cosh (c, c, MPC_RNDNN);
1652 mpc_pow (c, c, c, MPC_RNDNN);
1653 mpc_acosh (c, c, MPC_RNDNN);
1655 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1659 CFLAGS="$saved_CFLAGS"
1661 # The library versions listed in the error message below should match
1662 # the HARD-minimums enforced above.
1663 if test x$have_gmp != xyes; then
1664 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
1665 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1666 their locations. Source code for these libraries can be found at
1667 their respective hosting sites as well as at
1668 https://gcc.gnu.org/pub/gcc/infrastructure/. See also
1669 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1670 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1671 make sure that you have installed both the libraries and the header
1672 files. They may be located in separate packages.])
1676 # Flags needed for both GMP, MPFR and/or MPC.
1679 AC_SUBST(extra_mpfr_configure_flags)
1680 AC_SUBST(extra_mpc_gmp_configure_flags)
1681 AC_SUBST(extra_mpc_mpfr_configure_flags)
1682 AC_SUBST(extra_isl_gmp_configure_flags)
1684 # Libraries to use for stage1 or when not bootstrapping.
1685 AC_ARG_WITH(stage1-libs,
1686 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1687 [if test "$withval" = "no" -o "$withval" = "yes"; then
1690 stage1_libs=$withval
1693 AC_SUBST(stage1_libs)
1695 # Whether or not to use -static-libstdc++ and -static-libgcc. The
1696 # default is yes if gcc is being built; no otherwise. The reason for
1697 # this default is that gdb is sometimes linked against GNU Source
1698 # Highlight, which is a shared library that uses C++ exceptions. In
1699 # this case, -static-libstdc++ will cause crashes.
1700 AC_ARG_WITH(static-standard-libraries,
1701 [AS_HELP_STRING([--with-static-standard-libraries],
1702 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1703 [], [with_static_standard_libraries=auto])
1704 if test "$with_static_standard_libraries" = auto; then
1705 with_static_standard_libraries=$have_compiler
1708 # Linker flags to use for stage1 or when not bootstrapping.
1709 AC_ARG_WITH(stage1-ldflags,
1710 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1711 [if test "$withval" = "no" -o "$withval" = "yes"; then
1714 stage1_ldflags=$withval
1717 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1718 # if supported. But if the user explicitly specified the libraries to use,
1719 # trust that they are doing what they want.
1720 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1721 -a "$have_static_libs" = yes; then
1722 stage1_ldflags="-static-libstdc++ -static-libgcc"
1724 AC_SUBST(stage1_ldflags)
1726 # Libraries to use for stage2 and later builds.
1727 AC_ARG_WITH(boot-libs,
1728 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1729 [if test "$withval" = "no" -o "$withval" = "yes"; then
1732 poststage1_libs=$withval
1735 AC_SUBST(poststage1_libs)
1737 # Linker flags to use for stage2 and later builds.
1738 AC_ARG_WITH(boot-ldflags,
1739 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1740 [linker flags for stage2 and later])],
1741 [if test "$withval" = "no" -o "$withval" = "yes"; then
1744 poststage1_ldflags=$withval
1746 [poststage1_ldflags=
1747 # In stages 2 and 3, default to linking libstdc++ and libgcc
1748 # statically. But if the user explicitly specified the libraries to
1749 # use, trust that they are doing what they want.
1750 if test "$poststage1_libs" = ""; then
1751 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1753 AC_SUBST(poststage1_ldflags)
1755 # GCC GRAPHITE dependency isl.
1756 # Basic setup is inlined here, actual checks are in config/isl.m4
1761 [Specify prefix directory for the installed isl package.
1762 Equivalent to --with-isl-include=PATH/include
1763 plus --with-isl-lib=PATH/lib])])
1765 # Treat --without-isl as a request to disable
1766 # GRAPHITE support and skip all following checks.
1767 if test "x$with_isl" != "xno"; then
1769 dnl Provide configure switches and initialize islinc & isllibs
1770 dnl with user input.
1772 dnl The versions of isl that work for Graphite
1774 dnl Only execute fail-action, if isl has been requested.
1776 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1779 # If the isl check failed, disable builds of in-tree variant of isl
1780 if test "x$with_isl" = xno ||
1781 test "x$gcc_cv_isl" = xno; then
1782 noconfigdirs="$noconfigdirs isl"
1789 # Check for LTO support.
1791 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1792 enable_lto=$enableval,
1793 enable_lto=yes; default_enable_lto=yes)
1795 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1796 build_lto_plugin=yes
1797 ],[if test x"$default_enable_lto" = x"yes" ; then
1799 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1800 # On other non-ELF platforms, LTO has yet to be validated.
1804 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1805 # It would also be nice to check the binutils support, but we don't
1806 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1807 # warn during gcc/ subconfigure; unless you're bootstrapping with
1808 # -flto it won't be needed until after installation anyway.
1810 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1811 *) if test x"$enable_lto" = x"yes"; then
1812 AC_MSG_ERROR([LTO support is not enabled for this target.])
1817 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1818 # Build it unless LTO was explicitly disabled.
1820 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1825 AC_ARG_ENABLE(linker-plugin-configure-flags,
1826 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1827 [additional flags for configuring linker plugins @<:@none@:>@])],
1828 extra_linker_plugin_configure_flags=$enableval,
1829 extra_linker_plugin_configure_flags=)
1830 AC_SUBST(extra_linker_plugin_configure_flags)
1831 AC_ARG_ENABLE(linker-plugin-flags,
1832 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1833 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1834 extra_linker_plugin_flags=$enableval,
1835 extra_linker_plugin_flags=)
1836 AC_SUBST(extra_linker_plugin_flags)
1838 # Enable --enable-host-shared.
1839 # Checked early to determine whether jit is an 'all' language
1840 AC_ARG_ENABLE(host-shared,
1841 [AS_HELP_STRING([--enable-host-shared],
1842 [build host code as shared libraries])],
1843 [host_shared=$enableval], [host_shared=no])
1844 AC_SUBST(host_shared)
1846 # By default, C and C++ are the only stage 1 languages.
1847 stage1_languages=,c,
1849 # Target libraries that we bootstrap.
1850 bootstrap_target_libs=,target-libgcc,
1852 # Figure out what language subdirectories are present.
1853 # Look if the user specified --enable-languages="..."; if not, use
1854 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1856 # NB: embedded tabs in this IF block -- do not untabify
1857 if test -d ${srcdir}/gcc; then
1858 if test x"${enable_languages+set}" != xset; then
1859 if test x"${LANGUAGES+set}" = xset; then
1860 enable_languages="${LANGUAGES}"
1861 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1863 enable_languages=default
1866 if test x"${enable_languages}" = x ||
1867 test x"${enable_languages}" = xyes;
1869 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1873 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1875 # 'f95' is the old name for the 'fortran' language. We issue a warning
1876 # and make the substitution.
1877 case ,${enable_languages}, in
1879 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1880 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1884 # If bootstrapping, C++ must be enabled.
1885 case ",$enable_languages,:$enable_bootstrap" in
1888 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1889 enable_languages="${enable_languages},c++"
1891 AC_MSG_ERROR([bootstrapping requires c++ sources])
1896 # First scan to see if an enabled language requires some other language.
1897 # We assume that a given config-lang.in will list all the language
1898 # front ends it requires, even if some are required indirectly.
1899 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1900 case ${lang_frag} in
1902 # The odd quoting in the next line works around
1903 # an apparent bug in bash 1.12 on linux.
1904 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1906 # From the config-lang.in, get $language, $lang_requires, and
1907 # $lang_requires_boot_languages.
1910 lang_requires_boot_languages=
1911 # set srcdir during sourcing lang_frag to the gcc dir.
1912 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1913 # polutes this shell
1914 saved_srcdir=${srcdir}
1915 srcdir=${srcdir}/gcc . ${lang_frag}
1916 srcdir=${saved_srcdir}
1917 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1918 case ,${enable_languages}, in
1923 echo " \`$other' language required by \`$language'; enabling" 1>&2
1924 enable_languages="${enable_languages},${other}"
1928 for other in ${lang_requires_boot_languages} ; do
1929 if test "$other" != "c"; then
1930 case ,${enable_stage1_languages}, in
1935 case ,${enable_languages}, in
1937 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1938 enable_stage1_languages="$enable_stage1_languages,${other}"
1949 new_enable_languages=,c,
1951 # If LTO is enabled, add the LTO front end.
1952 if test "$enable_lto" = "yes" ; then
1953 case ,${enable_languages}, in
1955 *) enable_languages="${enable_languages},lto" ;;
1957 if test "${build_lto_plugin}" = "yes" ; then
1958 configdirs="$configdirs lto-plugin"
1962 # If we're building an offloading compiler, add the LTO front end.
1963 if test x"$enable_as_accelerator_for" != x ; then
1964 case ,${enable_languages}, in
1966 *) enable_languages="${enable_languages},lto" ;;
1970 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1971 potential_languages=,c,
1973 enabled_target_libs=
1974 disabled_target_libs=
1976 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1977 case ${lang_frag} in
1979 # The odd quoting in the next line works around
1980 # an apparent bug in bash 1.12 on linux.
1981 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1983 # From the config-lang.in, get $language, $target_libs,
1984 # $lang_dirs, $boot_language, and $build_by_default
1990 build_by_default=yes
1991 # set srcdir during sourcing. See above about save & restore
1992 saved_srcdir=${srcdir}
1993 srcdir=${srcdir}/gcc . ${lang_frag}
1994 srcdir=${saved_srcdir}
1995 if test x${language} = x; then
1996 echo "${lang_frag} doesn't set \$language." 1>&2
2000 if test "$language" = "c++"; then
2005 # C is always enabled, so no need to add it again
2006 if test "$language" != "c"; then
2007 case ,${enable_languages}, in
2009 # Language was explicitly selected; include it
2013 # All languages are enabled
2017 # 'default' was selected, select it if it is a default language
2018 add_this_lang=${build_by_default}
2023 # Disable languages that need other directories if these aren't available.
2024 for i in $subdir_requires; do
2025 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2026 case ${add_this_lang} in
2028 # Specifically requested language; tell them.
2029 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2032 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2033 add_this_lang=unsupported
2037 add_this_lang=unsupported
2042 # Disable Ada if no preexisting GNAT is available.
2043 case ${add_this_lang}:${language}:${have_gnat} in
2045 # Specifically requested language; tell them.
2046 AC_MSG_ERROR([GNAT is required to build $language])
2049 AC_MSG_WARN([GNAT is required to build $language])
2050 add_this_lang=unsupported
2054 add_this_lang=unsupported
2058 # Disable jit if -enable-host-shared not specified
2059 case ${add_this_lang}:${language}:${host_shared} in
2061 # PR jit/64780: explicitly specify --enable-host-shared
2063 Enabling language "jit" requires --enable-host-shared.
2065 --enable-host-shared typically slows the rest of the compiler down by
2066 a few %, so you must explicitly enable it.
2068 If you want to build both the jit and the regular compiler, it is often
2069 best to do this via two separate configure/builds, in separate
2070 directories, to avoid imposing the performance cost of
2071 --enable-host-shared on the regular compiler.])
2074 AC_MSG_WARN([--enable-host-shared required to build $language])
2075 add_this_lang=unsupported
2079 add_this_lang=unsupported
2083 # Disable a language that is unsupported by the target.
2084 case "${add_this_lang}: $unsupported_languages " in
2088 AC_MSG_WARN([${language} not supported for this target])
2089 add_this_lang=unsupported
2093 case $add_this_lang in
2095 # Remove language-dependent dirs.
2096 disabled_target_libs="$disabled_target_libs $target_libs"
2097 noconfigdirs="$noconfigdirs $lang_dirs"
2100 # Remove language-dependent dirs; still show language as supported.
2101 disabled_target_libs="$disabled_target_libs $target_libs"
2102 noconfigdirs="$noconfigdirs $lang_dirs"
2103 potential_languages="${potential_languages}${language},"
2106 new_enable_languages="${new_enable_languages}${language},"
2107 potential_languages="${potential_languages}${language},"
2108 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2109 enabled_target_libs="$enabled_target_libs $target_libs"
2110 case "${boot_language}:,$enable_stage1_languages," in
2111 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2112 # Add to (comma-separated) list of stage 1 languages.
2113 case ",$stage1_languages," in
2114 *,$language,* | ,yes, | ,all,) ;;
2115 *) stage1_languages="${stage1_languages}${language}," ;;
2117 # We need to bootstrap any supporting libraries.
2118 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2127 # Add target libraries which are only needed for disabled languages
2129 if test -n "$disabled_target_libs"; then
2130 for dir in $disabled_target_libs; do
2131 case " $enabled_target_libs " in
2133 *) noconfigdirs="$noconfigdirs $dir" ;;
2138 AC_ARG_ENABLE(stage1-languages,
2139 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2140 [choose additional languages to build during
2141 stage1. Mostly useful for compiler development])],
2142 [case ,${enable_stage1_languages}, in
2144 # Set it to something that will have no effect in the loop below
2145 enable_stage1_languages=c ;;
2147 enable_stage1_languages=`echo $new_enable_languages | \
2148 sed -e "s/^,//" -e "s/,$//" ` ;;
2150 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2151 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2154 # Add "good" languages from enable_stage1_languages to stage1_languages,
2155 # while "bad" languages go in missing_languages. Leave no duplicates.
2156 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2157 case $potential_languages in
2159 case $stage1_languages in
2161 *) stage1_languages="$stage1_languages$i," ;;
2164 case $missing_languages in
2166 *) missing_languages="$missing_languages$i," ;;
2171 # Remove leading/trailing commas that were added for simplicity
2172 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2173 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2174 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2175 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2177 if test "x$missing_languages" != x; then
2179 The following requested languages could not be built: ${missing_languages}
2180 Supported languages are: ${potential_languages}])
2182 if test "x$new_enable_languages" != "x$enable_languages"; then
2183 echo The following languages will be built: ${new_enable_languages}
2184 enable_languages="$new_enable_languages"
2187 AC_SUBST(stage1_languages)
2188 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2191 # Handle --disable-<component> generically.
2192 for dir in $configdirs $build_configdirs $target_configdirs ; do
2193 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2194 varname=`echo $dirname | sed -e s/+/_/g`
2195 if eval test x\${enable_${varname}} "=" xno ; then
2196 noconfigdirs="$noconfigdirs $dir"
2200 # Check for Boehm's garbage collector
2201 AC_ARG_ENABLE(objc-gc,
2202 [AS_HELP_STRING([--enable-objc-gc],
2203 [enable use of Boehm's garbage collector with the
2204 GNU Objective-C runtime])])
2205 AC_ARG_WITH([target-bdw-gc],
2206 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2207 [specify prefix directory for installed bdw-gc package.
2208 Equivalent to --with-target-bdw-gc-include=PATH/include
2209 plus --with-target-bdw-gc-lib=PATH/lib])])
2210 AC_ARG_WITH([target-bdw-gc-include],
2211 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2212 [specify directories for installed bdw-gc include files])])
2213 AC_ARG_WITH([target-bdw-gc-lib],
2214 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2215 [specify directories for installed bdw-gc library])])
2217 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2218 AC_MSG_CHECKING([for bdw garbage collector])
2219 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2220 dnl no bdw-gw options, assume default locations
2221 AC_MSG_RESULT([using bdw-gc in default locations])
2223 dnl bdw-gw options, first error checking, complete checking in libobjc
2224 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2225 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2226 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2227 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2229 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2234 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2235 case ,${enable_languages}, in
2237 # Disable libitm, libsanitizer if we're not building libstdc++
2238 case "${noconfigdirs}" in
2239 *target-libstdc++-v3*)
2240 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2246 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2250 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2251 # $build_configdirs and $target_configdirs.
2252 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2255 for dir in . $skipdirs $noconfigdirs ; do
2256 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2257 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2258 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2259 if test -r $srcdir/$dirname/configure ; then
2260 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2263 notsupp="$notsupp $dir"
2267 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2268 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2269 if test -r $srcdir/$dirname/configure ; then
2270 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2273 notsupp="$notsupp $dir"
2277 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2278 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2279 if test -r $srcdir/$dirname/configure ; then
2280 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2283 notsupp="$notsupp $dir"
2289 # Quietly strip out all directories which aren't configurable in this tree.
2290 # This relies on all configurable subdirectories being autoconfiscated, which
2292 build_configdirs_all="$build_configdirs"
2294 for i in ${build_configdirs_all} ; do
2295 j=`echo $i | sed -e s/build-//g`
2296 if test -f ${srcdir}/$j/configure ; then
2297 build_configdirs="${build_configdirs} $i"
2301 configdirs_all="$configdirs"
2303 for i in ${configdirs_all} ; do
2304 if test -f ${srcdir}/$i/configure ; then
2305 configdirs="${configdirs} $i"
2309 target_configdirs_all="$target_configdirs"
2311 for i in ${target_configdirs_all} ; do
2312 j=`echo $i | sed -e s/target-//g`
2313 if test -f ${srcdir}/$j/configure ; then
2314 target_configdirs="${target_configdirs} $i"
2318 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2319 # so we have to add it after the preceding checks.
2320 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2322 case " $configdirs " in
2324 # If we can build libiberty, we can also build libiberty-linker-plugin.
2325 configdirs="$configdirs libiberty-linker-plugin"
2326 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2327 --with-libiberty=../libiberty-linker-plugin";;
2329 AC_MSG_ERROR([libiberty missing]);;
2333 # Sometimes we have special requirements for the host libiberty.
2334 extra_host_libiberty_configure_flags=
2335 extra_host_zlib_configure_flags=
2336 case " $configdirs " in
2337 *" lto-plugin "* | *" libcc1 "*)
2338 # When these are to be built as shared libraries, the same applies to
2340 extra_host_libiberty_configure_flags=--enable-shared
2343 # When bfd is to be built as a shared library, the same applies to
2345 if test "$enable_shared" = "yes"; then
2346 extra_host_zlib_configure_flags=--enable-host-shared
2350 AC_SUBST(extra_host_libiberty_configure_flags)
2351 AC_SUBST(extra_host_zlib_configure_flags)
2353 # Produce a warning message for the subdirs we can't configure.
2354 # This isn't especially interesting in the Cygnus tree, but in the individual
2355 # FSF releases, it's important to let people know when their machine isn't
2356 # supported by the one or two programs in a package.
2358 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2359 # If $appdirs is non-empty, at least one of those directories must still
2360 # be configured, or we error out. (E.g., if the gas release supports a
2361 # specified target in some subdirs but not the gas subdir, we shouldn't
2362 # pretend that all is well.)
2363 if test -n "$appdirs" ; then
2364 for dir in $appdirs ; do
2365 if test -r $dir/Makefile.in ; then
2366 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2370 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2376 if test -n "$appdirs" ; then
2377 echo "*** This configuration is not supported by this package." 1>&2
2381 # Okay, some application will build, or we don't care to check. Still
2382 # notify of subdirs not getting built.
2383 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2384 echo " ${notsupp}" 1>&2
2385 echo " (Any other directories should still work fine.)" 1>&2
2393 # To find our prefix, in gcc_cv_tool_prefix.
2398 AC_ARG_WITH([build-sysroot],
2399 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2400 [use sysroot as the system root during the build])],
2401 [if test x"$withval" != x ; then
2402 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2404 [SYSROOT_CFLAGS_FOR_TARGET=])
2405 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2407 AC_ARG_WITH([debug-prefix-map],
2408 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2409 [map A to B, C to D ... in debug information])],
2410 [if test x"$withval" != x; then
2411 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2412 for debug_map in $withval; do
2413 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2416 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2417 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2419 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2420 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2421 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2422 # We want to ensure that TARGET libraries (which we know are built with
2423 # gcc) are built with "-O2 -g", so include those options when setting
2424 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2425 if test "x$CFLAGS_FOR_TARGET" = x; then
2426 if test "x${is_cross_compiler}" = xyes; then
2427 CFLAGS_FOR_TARGET="-g -O2"
2429 CFLAGS_FOR_TARGET=$CFLAGS
2432 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2435 *" -g "* | *" -g3 "*) ;;
2436 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2440 AC_SUBST(CFLAGS_FOR_TARGET)
2442 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2443 if test "x${is_cross_compiler}" = xyes; then
2444 CXXFLAGS_FOR_TARGET="-g -O2"
2446 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2447 case " $CXXFLAGS " in
2449 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2451 case " $CXXFLAGS " in
2452 *" -g "* | *" -g3 "*) ;;
2453 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2457 AC_SUBST(CXXFLAGS_FOR_TARGET)
2459 AC_SUBST(LDFLAGS_FOR_TARGET)
2461 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2462 # the named directory are copied to $(tooldir)/sys-include.
2463 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2464 if test x${is_cross_compiler} = xno ; then
2465 echo 1>&2 '***' --with-headers is only supported when cross compiling
2468 if test x"${with_headers}" != xyes ; then
2469 x=${gcc_cv_tool_prefix}
2470 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2474 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2475 # the name directories are copied to $(tooldir)/lib. Multiple directories
2477 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2478 if test x${is_cross_compiler} = xno ; then
2479 echo 1>&2 '***' --with-libs is only supported when cross compiling
2482 if test x"${with_libs}" != xyes ; then
2483 # Copy the libraries in reverse order, so that files in the first named
2484 # library override files in subsequent libraries.
2485 x=${gcc_cv_tool_prefix}
2486 for l in ${with_libs}; do
2487 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2492 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2494 # This is done by determining whether or not the appropriate directory
2495 # is available, and by checking whether or not specific configurations
2496 # have requested that this magic not happen.
2498 # The command line options always override the explicit settings in
2499 # configure.ac, and the settings in configure.ac override this magic.
2501 # If the default for a toolchain is to use GNU as and ld, and you don't
2502 # want to do that, then you should use the --without-gnu-as and
2503 # --without-gnu-ld options for the configure script. Similarly, if
2504 # the default is to use the included zlib and you don't want to do that,
2505 # you should use the --with-system-zlib option for the configure script.
2507 if test x${use_gnu_as} = x &&
2508 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2510 extra_host_args="$extra_host_args --with-gnu-as"
2513 if test x${use_gnu_ld} = x &&
2514 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2516 extra_host_args="$extra_host_args --with-gnu-ld"
2519 if test x${use_included_zlib} = x &&
2520 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2523 with_system_zlib=yes
2524 extra_host_args="$extra_host_args --with-system-zlib"
2527 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2528 # can detect this case.
2530 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2532 extra_host_args="$extra_host_args --with-newlib"
2535 # Handle ${copy_dirs}
2536 set fnord ${copy_dirs}
2538 while test $# != 0 ; do
2539 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2542 echo Copying $1 to $2
2544 # Use the install script to create the directory and all required
2545 # parent directories.
2546 if test -d $2 ; then
2550 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2553 # Copy the directory, assuming we have tar.
2554 # FIXME: Should we use B in the second tar? Not all systems support it.
2555 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2557 # It is the responsibility of the user to correctly adjust all
2558 # symlinks. If somebody can figure out how to handle them correctly
2559 # here, feel free to add the code.
2566 # Determine a target-dependent exec_prefix that the installed
2567 # gcc will search in. Keep this list sorted by triplet, with
2568 # the *-*-osname triplets last.
2571 i[[34567]]86-pc-msdosdjgpp*)
2572 md_exec_prefix=/dev/env/DJDIR/bin
2577 md_exec_prefix=/usr/ccs/bin
2581 extra_arflags_for_target=
2582 extra_nmflags_for_target=
2583 extra_ranlibflags_for_target=
2584 target_makefile_frag=/dev/null
2587 target_makefile_frag="config/mt-spu"
2589 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2590 target_makefile_frag="config/mt-sde"
2592 mipsisa*-*-elfoabi*)
2593 target_makefile_frag="config/mt-mips-elfoabi"
2595 mips*-*-*linux* | mips*-*-gnu*)
2596 target_makefile_frag="config/mt-mips-gnu"
2599 target_makefile_frag="config/mt-nios2-elf"
2602 target_makefile_frag="config/mt-android"
2604 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2605 target_makefile_frag="config/mt-gnu"
2607 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2608 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2609 # commands to handle both 32-bit and 64-bit objects. These flags are
2610 # harmless if we're using GNU nm or ar.
2611 extra_arflags_for_target=" -X32_64"
2612 extra_nmflags_for_target=" -B -X32_64"
2616 alphaieee_frag=/dev/null
2619 # This just makes sure to use the -mieee option to build target libs.
2620 # This should probably be set individually by each library.
2621 alphaieee_frag="config/mt-alphaieee"
2625 # If --enable-target-optspace always use -Os instead of -O2 to build
2626 # the target libraries, similarly if it is not specified, use -Os
2627 # on selected platforms.
2628 ospace_frag=/dev/null
2629 case "${enable_target_optspace}:${target}" in
2631 ospace_frag="config/mt-ospace"
2634 ospace_frag="config/mt-d30v"
2636 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2637 ospace_frag="config/mt-ospace"
2642 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2646 # Some systems (e.g., one of the i386-aix systems the gas testers are
2647 # using) don't handle "\$" correctly, so don't use it here.
2648 tooldir='${exec_prefix}'/${target_noncanonical}
2649 build_tooldir=${tooldir}
2651 # Create a .gdbinit file which runs the one in srcdir
2652 # and tells GDB to look there for source files.
2654 if test -r ${srcdir}/.gdbinit ; then
2657 *) cat > ./.gdbinit <<EOF
2661 source ${srcdir}/.gdbinit
2667 # Make sure that the compiler is able to generate an executable. If it
2668 # can't, we are probably in trouble. We don't care whether we can run the
2669 # executable--we might be using a cross compiler--we only care whether it
2670 # can be created. At this point the main configure script has set CC.
2672 echo "int main () { return 0; }" > conftest.c
2673 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2674 if test $? = 0 ; then
2675 if test -s conftest || test -s conftest.exe ; then
2681 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2682 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2689 # Decide which environment variable is used to find dynamic libraries.
2691 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2692 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2693 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2694 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2697 # On systems where the dynamic library environment variable is PATH,
2698 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2699 # built executables to PATH.
2700 if test "$RPATH_ENVVAR" = PATH; then
2701 GCC_SHLIB_SUBDIR=/shlib
2706 # Adjust the toplevel makefile according to whether bootstrap was selected.
2707 case $enable_bootstrap in
2709 bootstrap_suffix=bootstrap
2710 BUILD_CONFIG=bootstrap-debug
2713 bootstrap_suffix=no-bootstrap
2718 AC_MSG_CHECKING(for default BUILD_CONFIG)
2720 AC_ARG_WITH([build-config],
2721 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2722 [use config/NAME.mk build configuration])],
2723 [case $with_build_config in
2724 yes) with_build_config= ;;
2725 no) with_build_config= BUILD_CONFIG= ;;
2728 if test "x${with_build_config}" != x; then
2729 BUILD_CONFIG=$with_build_config
2731 case $BUILD_CONFIG in
2733 if echo "int f (void) { return 0; }" > conftest.c &&
2734 ${CC} -c conftest.c &&
2735 mv conftest.o conftest.o.g0 &&
2736 ${CC} -c -g conftest.c &&
2737 mv conftest.o conftest.o.g &&
2738 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2743 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2747 AC_MSG_RESULT($BUILD_CONFIG)
2748 AC_SUBST(BUILD_CONFIG)
2750 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2751 AC_MSG_CHECKING([for --enable-vtable-verify])
2752 AC_ARG_ENABLE(vtable-verify,
2753 [AS_HELP_STRING([--enable-vtable-verify],
2754 [Enable vtable verification feature])],
2755 [case "$enableval" in
2756 yes) enable_vtable_verify=yes ;;
2757 no) enable_vtable_verify=no ;;
2758 *) enable_vtable_verify=no;;
2760 [enable_vtable_verify=no])
2761 AC_MSG_RESULT($enable_vtable_verify)
2763 # Record target_configdirs and the configure arguments for target and
2764 # build configuration in Makefile.
2765 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2766 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2767 bootstrap_fixincludes=no
2769 # If we are building libgomp, bootstrap it.
2770 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2771 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2774 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2775 # or bootstrap-ubsan, bootstrap it.
2776 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2777 case "$BUILD_CONFIG" in
2778 *bootstrap-asan* | *bootstrap-ubsan* )
2779 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2780 bootstrap_fixincludes=yes
2785 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2786 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2787 test "$enable_vtable_verify" != no; then
2788 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2791 # Determine whether gdb needs tk/tcl or not.
2792 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2793 # and in that case we want gdb to be built without tk. Ugh!
2794 # In fact I believe gdb is the *only* package directly dependent on tk,
2795 # so we should be able to put the 'maybe's in unconditionally and
2796 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2797 # 100% sure that that's safe though.
2799 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2800 case "$enable_gdbtk" in
2804 GDB_TK="${gdb_tk}" ;;
2806 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2807 # distro. Eventually someone will fix this and move Insight, nee
2808 # gdbtk to a separate directory.
2809 if test -d ${srcdir}/gdb/gdbtk ; then
2816 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2817 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2819 # gdb depends on gnulib, but as nothing else does, only include it if
2821 if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then
2822 # The Makefile provides the ordering, so it's enough here to add
2823 # gnulib to the list.
2824 configdirs="${configdirs} gnulib"
2827 # Strip out unwanted targets.
2829 # While at that, we remove Makefiles if we were started for recursive
2830 # configuration, so that the top-level Makefile reconfigures them,
2831 # like we used to do when configure itself was recursive.
2833 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2834 # but now we're fixing up the Makefile ourselves with the additional
2835 # commands passed to AC_CONFIG_FILES. Use separate variables
2836 # extrasub-{build,host,target} not because there is any reason to split
2837 # the substitutions up that way, but only to remain below the limit of
2838 # 99 commands in a script, for HP-UX sed.
2840 # Do not nest @if/@endif or @unless/@endunless pairs, because
2841 # configure will not warn you at all.
2843 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2844 yes:yes:*\ gold\ *:*,c++,*) ;;
2845 yes:yes:*\ gold\ *:*)
2846 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2851 for module in ${build_configdirs} ; do
2852 if test -z "${no_recursion}" \
2853 && test -f ${build_subdir}/${module}/Makefile; then
2854 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2855 rm -f ${build_subdir}/${module}/Makefile
2857 extrasub_build="$extrasub_build
2858 /^@if build-$module\$/d
2859 /^@endif build-$module\$/d
2860 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2861 /^@if build-$module-$bootstrap_suffix\$/d
2862 /^@endif build-$module-$bootstrap_suffix\$/d
2863 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2866 for module in ${configdirs} ; do
2867 if test -z "${no_recursion}"; then
2868 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2869 if test -f ${file}; then
2870 echo 1>&2 "*** removing ${file} to force reconfigure"
2875 case ${module},${bootstrap_fixincludes} in
2876 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2877 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2879 extrasub_host="$extrasub_host
2881 /^@endif $module\$/d
2882 /^@unless $module\$/,/^@endunless $module\$/d
2883 /^@if $module-$host_bootstrap_suffix\$/d
2884 /^@endif $module-$host_bootstrap_suffix\$/d
2885 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2888 for module in ${target_configdirs} ; do
2889 if test -z "${no_recursion}" \
2890 && test -f ${target_subdir}/${module}/Makefile; then
2891 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2892 rm -f ${target_subdir}/${module}/Makefile
2895 # We only bootstrap target libraries listed in bootstrap_target_libs.
2896 case $bootstrap_target_libs in
2897 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2898 *) target_bootstrap_suffix=no-bootstrap ;;
2901 extrasub_target="$extrasub_target
2902 /^@if target-$module\$/d
2903 /^@endif target-$module\$/d
2904 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2905 /^@if target-$module-$target_bootstrap_suffix\$/d
2906 /^@endif target-$module-$target_bootstrap_suffix\$/d
2907 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2910 # Do the final fixup along with target modules.
2911 extrasub_target="$extrasub_target
2916 # Create the serialization dependencies. This uses a temporary file.
2918 AC_ARG_ENABLE([serial-configure],
2919 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2920 [force sequential configuration of
2921 sub-packages for the host, target or build
2922 machine, or all sub-packages])])
2924 case ${enable_serial_configure} in
2926 enable_serial_build_configure=yes
2927 enable_serial_host_configure=yes
2928 enable_serial_target_configure=yes
2932 # These force 'configure's to be done one at a time, to avoid problems
2933 # with contention over a shared config.cache.
2935 echo '# serdep.tmp' > serdep.tmp
2937 test "x${enable_serial_build_configure}" = xyes &&
2938 for item in ${build_configdirs} ; do
2941 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2946 test "x${enable_serial_host_configure}" = xyes &&
2947 for item in ${configdirs} ; do
2950 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2955 test "x${enable_serial_target_configure}" = xyes &&
2956 for item in ${target_configdirs} ; do
2959 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2963 serialization_dependencies=serdep.tmp
2964 AC_SUBST_FILE(serialization_dependencies)
2966 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2967 # target, nonopt, and variable assignments. These are the ones we
2968 # might not want to pass down to subconfigures. The exception being
2969 # --cache-file=/dev/null, which is used to turn off the use of cache
2970 # files altogether, and which should be passed on to subconfigures.
2971 # Also strip program-prefix, program-suffix, and program-transform-name,
2972 # so that we can pass down a consistent program-transform-name.
2977 eval "set -- $ac_configure_args"
2980 if test X"$skip_next" = X"yes"; then
2984 if test X"$keep_next" = X"yes"; then
2987 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2989 baseargs="$baseargs '$ac_arg'"
2990 tbaseargs="$tbaseargs '$ac_arg'"
2995 # Handle separated arguments. Based on the logic generated by
2998 *=* | --config-cache | -C | -disable-* | --disable-* \
2999 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3000 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3001 | -with-* | --with-* | -without-* | --without-* | --x)
3015 --with-* | --without-*)
3016 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3020 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3023 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3032 mpc | mpfr | gmp | isl)
3033 # If we're processing --with-$lib, --with-$lib-include or
3034 # --with-$lib-lib, for one of the libs above, and target is
3035 # different from host, don't pass the current argument to any
3036 # target library's configure.
3037 if test x$is_cross_compiler = xyes; then
3046 --cache-file=/dev/null | \
3047 -cache-file=/dev/null )
3048 # Handled here to avoid the test to skip args below.
3049 baseargs="$baseargs '$ac_arg'"
3050 tbaseargs="$tbaseargs '$ac_arg'"
3051 # Assert: $separate_arg should always be no.
3052 keep_next=$separate_arg
3068 -program-prefix* | \
3069 -program-suffix* | \
3070 -program-transform-name* )
3071 skip_next=$separate_arg
3075 # An option. Add it.
3078 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3080 baseargs="$baseargs '$ac_arg'"
3081 if test X"$skip_targ" = Xno; then
3082 tbaseargs="$tbaseargs '$ac_arg'"
3084 keep_next=$separate_arg
3087 # Either a variable assignment, or a nonopt (triplet). Don't
3088 # pass it down; let the Makefile handle this.
3093 # Remove the initial space we just introduced and, as these will be
3094 # expanded by make, quote '$'.
3095 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3097 # Add in --program-transform-name, after --program-prefix and
3098 # --program-suffix have been applied to it. Autoconf has already
3099 # doubled dollar signs and backslashes in program_transform_name; we want
3100 # the backslashes un-doubled, and then the entire thing wrapped in single
3101 # quotes, because this will be expanded first by make and then by the shell.
3102 # Also, because we want to override the logic in subdir configure scripts to
3103 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3104 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3105 ${program_transform_name}
3107 gcc_transform_name=`cat conftestsed.out`
3108 rm -f conftestsed.out
3109 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3110 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3111 if test "$silent" = yes; then
3112 baseargs="$baseargs --silent"
3113 tbaseargs="$tbaseargs --silent"
3115 baseargs="$baseargs --disable-option-checking"
3116 tbaseargs="$tbaseargs --disable-option-checking"
3118 # Record and document user additions to sub configure arguments.
3119 AC_ARG_VAR([build_configargs],
3120 [additional configure arguments for build directories])
3121 AC_ARG_VAR([host_configargs],
3122 [additional configure arguments for host directories])
3123 AC_ARG_VAR([target_configargs],
3124 [additional configure arguments for target directories])
3126 # For the build-side libraries, we just need to pretend we're native,
3127 # and not use the same cache file. Multilibs are neither needed nor
3128 # desired. We can't even use the same cache file for all build-side
3129 # libraries, as they're compiled differently; some with C, some with
3130 # C++ or with different feature-enabling options.
3131 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3133 # For host modules, accept cache file option, or specification as blank.
3134 case "${cache_file}" in
3136 cache_file_option="" ;;
3137 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3138 cache_file_option="--cache-file=${cache_file}" ;;
3140 cache_file_option="--cache-file=../${cache_file}" ;;
3143 # Host dirs don't like to share a cache file either, horribly enough.
3144 # This seems to be due to autoconf 2.5x stupidity.
3145 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3147 target_configargs="$target_configargs ${tbaseargs}"
3149 # Passing a --with-cross-host argument lets the target libraries know
3150 # whether they are being built with a cross-compiler or being built
3151 # native. However, it would be better to use other mechanisms to make the
3152 # sorts of decisions they want to make on this basis. Please consider
3153 # this option to be deprecated. FIXME.
3154 if test x${is_cross_compiler} = xyes ; then
3155 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3158 # Special user-friendly check for native x86_64-linux build, if
3159 # multilib is not explicitly enabled.
3160 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3161 x86_64-*linux*:yes:$build:$build:)
3162 # Make sure we have a development environment that handles 32-bit
3164 echo "int main () { return 0; }" > conftest.c
3165 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3166 if test $? = 0 ; then
3167 if test -s conftest || test -s conftest.exe ; then
3172 if test x${dev64} != xyes ; then
3173 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.])
3178 # Default to --enable-multilib.
3179 if test x${enable_multilib} = x ; then
3180 target_configargs="--enable-multilib ${target_configargs}"
3183 # Pass --with-newlib if appropriate. Note that target_configdirs has
3184 # changed from the earlier setting of with_newlib.
3185 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3186 target_configargs="--with-newlib ${target_configargs}"
3189 # Different target subdirs use different values of certain variables
3190 # (notably CXX). Worse, multilibs use *lots* of different values.
3191 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3192 # it doesn't automatically accept command-line overrides of them.
3193 # This means it's not safe for target subdirs to share a cache file,
3194 # which is disgusting, but there you have it. Hopefully this can be
3195 # fixed in future. It's still worthwhile to use a cache file for each
3196 # directory. I think.
3198 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3199 # We need to pass --target, as newer autoconf's requires consistency
3200 # for target_alias and gcc doesn't manage it consistently.
3201 target_configargs="--cache-file=./config.cache ${target_configargs}"
3204 case " $target_configdirs " in
3206 case " $target_configargs " in
3207 *" --with-newlib "*)
3210 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3214 # If we're not building GCC, don't discard standard headers.
3215 if test -d ${srcdir}/gcc; then
3216 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3218 if test "${build}" != "${host}"; then
3219 # On Canadian crosses, CC_FOR_TARGET will have already been set
3220 # by `configure', so we won't have an opportunity to add -Bgcc/
3221 # to it. This is right: we don't want to search that directory
3222 # for binaries, but we want the header files in there, so add
3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3226 # Someone might think of using the pre-installed headers on
3227 # Canadian crosses, in case the installed compiler is not fully
3228 # compatible with the compiler being built. In this case, it
3229 # would be better to flag an error than risking having
3230 # incompatible object files being constructed. We can't
3231 # guarantee that an error will be flagged, but let's hope the
3232 # compiler will do it, when presented with incompatible header
3237 case "${target}-${is_cross_compiler}" in
3238 i[[3456789]]86-*-linux*-no)
3239 # Here host == target, so we don't need to build gcc,
3240 # so we don't want to discard standard headers.
3241 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3244 # If we're building newlib, use its generic headers last, but search
3245 # for any libc-related directories first (so make it the last -B
3247 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3249 # If we're building libgloss, find the startup file, simulator library
3250 # and linker script.
3251 case " $target_configdirs " in
3253 # Look for startup file, simulator library and maybe linker script.
3254 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3255 # Look for libnosys.a in case the target needs it.
3256 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3257 # Most targets have the linker script in the source directory.
3258 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3269 x86_64-*mingw* | *-w64-mingw*)
3270 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3271 # however, use a symlink named 'mingw' in ${prefix} .
3272 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3275 # MinGW can't be handled as Cygwin above since it does not use newlib.
3276 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3280 # Allow the user to override the flags for
3281 # our build compiler if desired.
3282 if test x"${build}" = x"${host}" ; then
3283 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3284 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3285 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3288 # On Canadian crosses, we'll be searching the right directories for
3289 # the previously-installed cross compiler, so don't bother to add
3290 # flags for directories within the install tree of the compiler
3291 # being built; programs in there won't even run.
3292 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3293 # Search for pre-installed headers if nothing else fits.
3294 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3297 if test "x${use_gnu_ld}" = x &&
3298 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3299 # Arrange for us to find uninstalled linker scripts.
3300 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3303 # Search for other target-specific linker scripts and such.
3306 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3310 # Makefile fragments.
3311 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3313 eval fragval=\$$frag
3314 if test $fragval != /dev/null; then
3315 eval $frag=${srcdir}/$fragval
3318 AC_SUBST_FILE(host_makefile_frag)
3319 AC_SUBST_FILE(target_makefile_frag)
3320 AC_SUBST_FILE(alphaieee_frag)
3321 AC_SUBST_FILE(ospace_frag)
3323 # Miscellanea: directories, flags, etc.
3324 AC_SUBST(RPATH_ENVVAR)
3325 AC_SUBST(GCC_SHLIB_SUBDIR)
3327 AC_SUBST(build_tooldir)
3328 AC_SUBST(CONFIGURE_GDB_TK)
3330 AC_SUBST(INSTALL_GDB_TK)
3332 # Build module lists & subconfigure args.
3333 AC_SUBST(build_configargs)
3334 AC_SUBST(build_configdirs)
3336 # Host module lists & subconfigure args.
3337 AC_SUBST(host_configargs)
3338 AC_SUBST(configdirs)
3339 AC_SUBST(target_configdirs)
3341 # Target module lists & subconfigure args.
3342 AC_SUBST(target_configargs)
3346 AC_SUBST(AR_FOR_BUILD)
3347 AC_SUBST(AS_FOR_BUILD)
3348 AC_SUBST(CC_FOR_BUILD)
3349 AC_SUBST(CFLAGS_FOR_BUILD)
3350 AC_SUBST(CXXFLAGS_FOR_BUILD)
3351 AC_SUBST(CXX_FOR_BUILD)
3352 AC_SUBST(DLLTOOL_FOR_BUILD)
3353 AC_SUBST(GFORTRAN_FOR_BUILD)
3354 AC_SUBST(GOC_FOR_BUILD)
3355 AC_SUBST(GDC_FOR_BUILD)
3356 AC_SUBST(LDFLAGS_FOR_BUILD)
3357 AC_SUBST(LD_FOR_BUILD)
3358 AC_SUBST(NM_FOR_BUILD)
3359 AC_SUBST(RANLIB_FOR_BUILD)
3360 AC_SUBST(WINDMC_FOR_BUILD)
3361 AC_SUBST(WINDRES_FOR_BUILD)
3363 # Generate default definitions for YACC, M4, LEX and other programs that run
3364 # on the build machine. These are used if the Makefile can't locate these
3365 # programs in objdir.
3366 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3368 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3369 case " $build_configdirs " in
3370 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3373 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3374 case " $build_configdirs " in
3375 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3378 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3379 case " $build_configdirs " in
3380 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3383 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3384 case " $build_configdirs " in
3385 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3386 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3389 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3390 case " $build_configdirs " in
3391 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3394 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3395 case " $build_configdirs " in
3396 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3399 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3400 # higher, else we use the "missing" dummy.
3401 if ${MAKEINFO} --version \
3402 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3405 MAKEINFO="$MISSING makeinfo"
3411 # FIXME: expect and dejagnu may become build tools?
3413 AC_CHECK_PROGS(EXPECT, expect, expect)
3414 case " $configdirs " in
3416 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3420 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3421 case " $configdirs " in
3423 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3429 NCN_STRICT_CHECK_TOOLS(AR, ar)
3430 NCN_STRICT_CHECK_TOOLS(AS, as)
3431 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3432 NCN_STRICT_CHECK_TOOLS(LD, ld)
3433 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3434 NCN_STRICT_CHECK_TOOLS(NM, nm)
3435 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3436 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3437 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3438 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3439 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3440 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3441 NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
3442 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3449 AC_ARG_WITH([build-time-tools],
3450 [AS_HELP_STRING([--with-build-time-tools=PATH],
3451 [use given path to find target tools during the build])],
3452 [case x"$withval" in
3455 with_build_time_tools=
3456 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3459 [with_build_time_tools=])
3461 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3462 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3463 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3464 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3465 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3466 NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
3468 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3469 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3470 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3471 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3472 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3473 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3474 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3475 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3476 ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
3477 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3478 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3479 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3480 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3481 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3483 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3485 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3486 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3487 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3488 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3489 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3490 [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],
3492 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3493 [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],
3495 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3496 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3497 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3498 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3499 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3500 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3501 GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3502 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
3503 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3504 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3505 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3506 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3507 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3508 GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
3509 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3510 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3511 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3512 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3513 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3515 AC_SUBST(FLAGS_FOR_TARGET)
3516 AC_SUBST(RAW_CXX_FOR_TARGET)
3518 # Certain tools may need extra flags.
3519 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3520 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3521 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3523 # When building target libraries, except in a Canadian cross, we use
3524 # the same toolchain as the compiler we just built.
3525 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3526 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3527 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3528 if test $host = $build; then
3529 case " $configdirs " in
3531 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3532 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3533 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3538 AC_SUBST(COMPILER_AS_FOR_TARGET)
3539 AC_SUBST(COMPILER_LD_FOR_TARGET)
3540 AC_SUBST(COMPILER_NM_FOR_TARGET)
3542 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3543 AC_ARG_ENABLE(maintainer-mode,
3544 [AS_HELP_STRING([--enable-maintainer-mode],
3545 [enable make rules and dependencies not useful
3546 (and sometimes confusing) to the casual installer])],
3547 USE_MAINTAINER_MODE=$enableval,
3548 USE_MAINTAINER_MODE=no)
3549 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3550 AC_SUBST(MAINTAINER_MODE_TRUE)
3551 AC_SUBST(MAINTAINER_MODE_FALSE)
3552 if test "$USE_MAINTAINER_MODE" = yes; then
3553 MAINTAINER_MODE_TRUE=
3554 MAINTAINER_MODE_FALSE='#'
3556 MAINTAINER_MODE_TRUE='#'
3557 MAINTAINER_MODE_FALSE=
3559 MAINT=$MAINTAINER_MODE_TRUE
3562 # ---------------------
3563 # GCC bootstrap support
3564 # ---------------------
3566 # Stage specific cflags for build.
3571 yes) stage1_cflags="-g -Wa,-J" ;;
3572 *) stage1_cflags="-g -J" ;;
3576 AC_SUBST(stage1_cflags)
3578 # Enable --enable-checking in stage1 of the compiler.
3579 AC_ARG_ENABLE(stage1-checking,
3580 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3581 [choose additional checking for stage1 of the compiler])],
3582 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3583 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3584 # For --disable-checking or implicit --enable-checking=release, avoid
3585 # setting --enable-checking=gc in the default stage1 checking for LTO
3586 # bootstraps. See PR62077.
3587 case $BUILD_CONFIG in
3589 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3591 stage1_checking=--enable-checking=yes,types;;
3593 if test "x$enable_checking" = x && \
3594 test -d ${srcdir}/gcc && \
3595 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3596 stage1_checking=--enable-checking=yes,types,extra
3599 stage1_checking=--enable-checking=$enable_checking,types
3601 AC_SUBST(stage1_checking)
3603 # Enable -Werror in bootstrap stage2 and later.
3604 AC_ARG_ENABLE(werror,
3605 [AS_HELP_STRING([--enable-werror],
3606 [enable -Werror in bootstrap stage2 and later])],
3608 case ${enable_werror} in
3609 yes) stage2_werror_flag="--enable-werror-always" ;;
3610 *) stage2_werror_flag="" ;;
3614 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3615 case $BUILD_CONFIG in
3617 stage2_werror_flag="--enable-werror-always" ;;
3619 stage2_werror_flag="--enable-werror-always" ;;
3624 AC_SUBST(stage2_werror_flag)
3626 # Specify what files to not compare during bootstrap.
3628 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3630 hppa*64*-*-hpux*) ;;
3631 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3632 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3634 AC_SUBST(compare_exclusions)
3636 AC_CONFIG_FILES([Makefile],
3637 [sed "$extrasub_build" Makefile |
3638 sed "$extrasub_host" |
3639 sed "$extrasub_target" > mf$$
3640 mv -f mf$$ Makefile],
3641 [extrasub_build="$extrasub_build"
3642 extrasub_host="$extrasub_host"
3643 extrasub_target="$extrasub_target"])