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, 2020 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include(config/gcc-plugin.m4)
27 m4_include([libtool.m4])
28 m4_include([ltoptions.m4])
29 m4_include([ltsugar.m4])
30 m4_include([ltversion.m4])
31 m4_include([lt~obsolete.m4])
32 m4_include([config/isl.m4])
34 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
153 target-liboffloadmic \
157 target-libstdc++-v3 \
158 target-libsanitizer \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list.
174 target_tools="target-rda"
176 ################################################################################
178 ## All tools belong in one of the four categories, and are assigned above
179 ## We assign ${configdirs} this way to remove all embedded newlines. This
180 ## is important because configure will choke if they ever get through.
181 ## ${configdirs} is directories we build using the host tools.
182 ## ${target_configdirs} is directories we build using the target tools.
183 configdirs=`echo ${host_libs} ${host_tools}`
184 target_configdirs=`echo ${target_libraries} ${target_tools}`
185 build_configdirs=`echo ${build_libs} ${build_tools}`
187 m4_divert_text([PARSE_ARGS],
190 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192 m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
198 ################################################################################
200 srcname="gnu development package"
202 # This gets set non-empty for some net releases of packages.
205 # Define is_cross_compiler to save on calls to 'test'.
207 if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=yes
213 # Find the build and target subdir names.
215 # Be sure to cover against remnants of an in-tree build.
216 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218 Use a pristine source tree when building in a separate tree])
221 # Skipdirs are removed silently.
223 # Noconfigdirs are removed loudly.
227 # Make sure we don't let GNU ld be added if we didn't want it.
228 if test x$with_gnu_ld = xno ; then
230 noconfigdirs="$noconfigdirs ld gold"
234 # Make sure we don't let GNU as be added if we didn't want it.
235 if test x$with_gnu_as = xno ; then
237 noconfigdirs="$noconfigdirs gas"
241 AC_ARG_WITH(system-zlib,
242 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
243 # Make sure we don't let ZLIB be added if we didn't want it.
244 if test x$with_system_zlib = xyes ; then
246 noconfigdirs="$noconfigdirs zlib"
249 # Don't compile the bundled readline/libreadline.a if --with-system-readline
251 if test x$with_system_readline = xyes ; then
252 noconfigdirs="$noconfigdirs readline"
255 # some tools are so dependent upon X11 that if we're not building with X,
256 # it's not even worth trying to configure, much less build, that tool.
259 yes | "") ;; # the default value for this tree is that X11 is available
261 skipdirs="${skipdirs} tk itcl libgui"
262 # We won't be able to build gdbtk without X.
265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
268 # Some are only suitable for cross toolchains.
269 # Remove these if host=target.
270 cross_only="target-libgloss target-newlib target-opcodes"
272 case $is_cross_compiler in
273 no) skipdirs="${skipdirs} ${cross_only}" ;;
276 # If both --with-headers and --with-libs are specified, default to
278 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
279 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
280 if test x"${with_newlib}" = x ; then
285 # Recognize --with-newlib/--without-newlib.
286 case ${with_newlib} in
287 no) skipdirs="${skipdirs} target-newlib" ;;
288 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
291 AC_ARG_ENABLE(as-accelerator-for,
292 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
293 [build as offload target compiler.
294 Specify offload host triple by ARG])])
296 AC_ARG_ENABLE(offload-targets,
297 [AS_HELP_STRING([--enable-offload-targets=LIST],
298 [enable offloading to devices from comma-separated LIST of
299 TARGET[=DIR]. Use optional path to find offload target compiler
302 if test x"$enable_offload_targets" = x; then
303 AC_MSG_ERROR([no offload targets specified])
305 ], [enable_offload_targets=])
307 # Handle --enable-gold, --enable-ld.
308 # --disable-gold [--enable-ld]
309 # Build only ld. Default option.
310 # --enable-gold [--enable-ld]
311 # Build both gold and ld. Install gold as "ld.gold", install ld
312 # as "ld.bfd" and "ld".
313 # --enable-gold=default [--enable-ld]
314 # Build both gold and ld. Install gold as "ld.gold" and "ld",
315 # install ld as "ld.bfd".
316 # --enable-gold[=default] --disable-ld
317 # Build only gold, which is then installed as both "ld.gold" and "ld".
318 # --enable-gold --enable-ld=default
319 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
321 # In other words, ld is default
322 # --enable-gold=default --enable-ld=default
327 [AS_HELP_STRING([[--enable-gold[=ARG]]],
328 [build gold @<:@ARG={default,yes,no}@:>@])],
329 ENABLE_GOLD=$enableval,
331 case "${ENABLE_GOLD}" in
333 # Check for ELF target.
336 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
337 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
338 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
339 | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-haiku*)
341 *-*-linux*aout* | *-*-linux*oldld*)
349 if test "$is_elf" = "yes"; then
350 # Check for target supported by gold.
352 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
353 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
354 configdirs="$configdirs gold"
355 if test x${ENABLE_GOLD} = xdefault; then
366 AC_MSG_ERROR([invalid --enable-gold argument])
371 [AS_HELP_STRING([[--enable-ld[=ARG]]],
372 [build ld @<:@ARG={default,yes,no}@:>@])],
373 ENABLE_LD=$enableval,
376 case "${ENABLE_LD}" in
378 if test x${default_ld} != x; then
379 AC_MSG_ERROR([either gold or ld can be the default ld])
385 if test x${ENABLE_GOLD} != xyes; then
386 AC_MSG_WARN([neither ld nor gold are enabled])
388 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
391 AC_MSG_ERROR([invalid --enable-ld argument])
395 AC_ARG_ENABLE(gprofng,
396 [AS_HELP_STRING([[--enable-gprofng[=ARG]]],
397 [build gprofng @<:@ARG={yes,no}@:>@])],
398 enable_gprofng=$enableval,
400 if test "$enable_gprofng" = "yes"; then
402 x86_64-*-linux* | i?86-*-linux* | aarch64-*-linux*)
403 configdirs="$configdirs gprofng"
410 # Decide the default method for compressing debug sections.
411 # Provide a configure time option to override our default.
412 AC_ARG_ENABLE(compressed_debug_sections,
413 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
414 [Enable compressed debug sections for gas, gold or ld by
417 if test x"$enable_compressed_debug_sections" = xyes; then
418 AC_MSG_ERROR([no program with compressed debug sections specified])
420 ], [enable_compressed_debug_sections=])
422 # Configure extra directories which are host specific
426 configdirs="$configdirs libtermcap" ;;
429 # A target can indicate whether a language isn't supported for some reason.
430 # Only spaces may be used in this macro; not newlines or tabs.
431 unsupported_languages=
433 # Remove more programs from consideration, based on the host or
434 # target this usually means that a port of the program doesn't
438 i[[3456789]]86-*-msdosdjgpp*)
439 noconfigdirs="$noconfigdirs tcl tk itcl"
444 AC_ARG_ENABLE(libquadmath,
445 AS_HELP_STRING([--disable-libquadmath],
446 [do not build libquadmath directory]),
447 ENABLE_LIBQUADMATH=$enableval,
448 ENABLE_LIBQUADMATH=yes)
449 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
450 noconfigdirs="$noconfigdirs target-libquadmath"
454 AC_ARG_ENABLE(libquadmath-support,
455 AS_HELP_STRING([--disable-libquadmath-support],
456 [disable libquadmath support for Fortran]),
457 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
458 ENABLE_LIBQUADMATH_SUPPORT=yes)
459 enable_libquadmath_support=
460 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
461 enable_libquadmath_support=no
465 AC_ARG_ENABLE(libada,
466 [AS_HELP_STRING([--enable-libada], [build libada directory])],
467 ENABLE_LIBADA=$enableval,
469 if test "${ENABLE_LIBADA}" != "yes" ; then
470 noconfigdirs="$noconfigdirs gnattools"
473 AC_ARG_ENABLE(libssp,
474 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
475 ENABLE_LIBSSP=$enableval,
478 AC_ARG_ENABLE(libstdcxx,
479 AS_HELP_STRING([--disable-libstdcxx],
480 [do not build libstdc++-v3 directory]),
481 ENABLE_LIBSTDCXX=$enableval,
482 ENABLE_LIBSTDCXX=default)
483 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
484 noconfigdirs="$noconfigdirs target-libstdc++-v3"
487 # If this is accelerator compiler and its target is intelmic we enable
488 # target liboffloadmic by default. If this is compiler with offloading
489 # for intelmic we enable host liboffloadmic by default. Otherwise
490 # liboffloadmic is disabled by default.
491 AC_ARG_ENABLE([liboffloadmic],
492 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
493 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
494 [case "$enableval" in
496 enable_liboffloadmic=$enableval ;;
498 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
500 [if test x"$enable_as_accelerator_for" != x; then
502 *-intelmic-* | *-intelmicemul-*)
503 enable_liboffloadmic=target
504 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
507 enable_liboffloadmic=no
511 case "${enable_offload_targets}" in
512 *-intelmic-* | *-intelmicemul-*)
513 enable_liboffloadmic=host
514 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
517 enable_liboffloadmic=no
521 AC_SUBST(extra_liboffloadmic_configure_flags)
523 # Enable libgomp by default on hosted POSIX systems, and a few others.
524 if test x$enable_libgomp = x ; then
526 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
528 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
530 *-*-solaris2* | *-*-hpux11*)
532 *-*-darwin* | *-*-aix*)
537 noconfigdirs="$noconfigdirs target-libgomp"
542 # Disable libatomic on unsupported systems.
543 if test -d ${srcdir}/libatomic; then
544 if test x$enable_libatomic = x; then
545 AC_MSG_CHECKING([for libatomic support])
546 if (srcdir=${srcdir}/libatomic; \
547 . ${srcdir}/configure.tgt; \
548 test -n "$UNSUPPORTED")
551 noconfigdirs="$noconfigdirs target-libatomic"
558 # Disable liboffloadmic on unsupported systems.
559 if test -d ${srcdir}/liboffloadmic; then
560 if test x$enable_liboffloadmic != xno; then
561 AC_MSG_CHECKING([for liboffloadmic support])
562 if (srcdir=${srcdir}/liboffloadmic; \
563 . ${srcdir}/configure.tgt; \
564 test -n "$UNSUPPORTED")
567 noconfigdirs="$noconfigdirs target-liboffloadmic"
574 # Disable libitm on unsupported systems.
575 if test -d ${srcdir}/libitm; then
576 if test x$enable_libitm = x; then
577 AC_MSG_CHECKING([for libitm support])
578 if (srcdir=${srcdir}/libitm; \
579 . ${srcdir}/configure.tgt; \
580 test -n "$UNSUPPORTED")
583 noconfigdirs="$noconfigdirs target-libitm"
590 # Disable libsanitizer on unsupported systems.
591 if test -d ${srcdir}/libsanitizer; then
592 if test x$enable_libsanitizer = x; then
593 AC_MSG_CHECKING([for libsanitizer support])
594 if (srcdir=${srcdir}/libsanitizer; \
595 . ${srcdir}/configure.tgt; \
596 test -n "$UNSUPPORTED")
599 noconfigdirs="$noconfigdirs target-libsanitizer"
606 # Disable libvtv on unsupported systems.
607 if test -d ${srcdir}/libvtv; then
608 if test x$enable_libvtv = x; then
609 AC_MSG_CHECKING([for libvtv support])
610 if (srcdir=${srcdir}/libvtv; \
611 . ${srcdir}/configure.tgt; \
612 test "$VTV_SUPPORTED" != "yes")
615 noconfigdirs="$noconfigdirs target-libvtv"
623 # Disable libhsail-rt on unsupported systems.
624 if test -d ${srcdir}/libhsail-rt; then
625 if test x$enable_libhsail_rt = x; then
626 AC_MSG_CHECKING([for libhsail-rt support])
627 if (srcdir=${srcdir}/libhsail-rt; \
628 . ${srcdir}/configure.tgt; \
629 test -n "$UNSUPPORTED")
632 unsupported_languages="$unsupported_languages brig"
633 # This implicitly disables also target-libhsail-rt as it won't
634 # get added to the build without BRIG FE.
642 # Disable libquadmath for some systems.
645 noconfigdirs="$noconfigdirs target-libquadmath"
647 # libquadmath is unused on AIX and libquadmath build process use of
648 # LD_LIBRARY_PATH can break AIX bootstrap.
649 powerpc-*-aix* | rs6000-*-aix*)
650 noconfigdirs="$noconfigdirs target-libquadmath"
654 # Disable libssp for some systems.
657 # No hosted I/O support.
658 noconfigdirs="$noconfigdirs target-libssp"
660 powerpc-*-aix* | rs6000-*-aix*)
661 noconfigdirs="$noconfigdirs target-libssp"
664 # libssp uses a misaligned load to trigger a fault, but the RL78
665 # doesn't fault for those - instead, it gives a build-time error
666 # for explicit misaligned loads.
667 noconfigdirs="$noconfigdirs target-libssp"
670 # No hosted I/O support.
671 noconfigdirs="$noconfigdirs target-libssp"
675 # Disable libstdc++-v3 for some systems.
676 # Allow user to override this if they pass --enable-libstdc++-v3
677 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
680 # VxWorks uses the Dinkumware C++ library.
681 noconfigdirs="$noconfigdirs target-libstdc++-v3"
684 # the C++ libraries don't build on top of CE's C libraries
685 noconfigdirs="$noconfigdirs target-libstdc++-v3"
688 noconfigdirs="$noconfigdirs target-libstdc++-v3"
691 noconfigdirs="$noconfigdirs target-libstdc++-v3"
696 # Disable Fortran for some systems.
699 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
700 unsupported_languages="$unsupported_languages fortran"
704 # Disable libffi for some systems.
708 i[[3456789]]86-*-darwin*)
710 x86_64-*-darwin[[912]]*)
713 noconfigdirs="$noconfigdirs target-libffi"
716 noconfigdirs="$noconfigdirs target-libffi"
719 noconfigdirs="$noconfigdirs target-libffi"
722 noconfigdirs="$noconfigdirs target-libffi"
725 noconfigdirs="$noconfigdirs target-libffi"
728 noconfigdirs="$noconfigdirs target-libffi"
731 noconfigdirs="$noconfigdirs target-libffi"
734 noconfigdirs="$noconfigdirs target-libffi"
737 noconfigdirs="$noconfigdirs target-libffi"
740 noconfigdirs="$noconfigdirs target-libffi"
743 noconfigdirs="$noconfigdirs target-libffi"
745 cris-*-* | crisv32-*-*)
749 *) # See PR46792 regarding target-libffi.
750 noconfigdirs="$noconfigdirs target-libffi";;
754 noconfigdirs="$noconfigdirs target-libffi"
759 noconfigdirs="$noconfigdirs target-libffi"
762 noconfigdirs="$noconfigdirs target-libffi"
764 i[[3456789]]86-w64-mingw*)
765 noconfigdirs="$noconfigdirs target-libffi"
767 i[[3456789]]86-*-mingw*)
768 noconfigdirs="$noconfigdirs target-libffi"
771 noconfigdirs="$noconfigdirs target-libffi"
774 noconfigdirs="$noconfigdirs target-libffi"
781 noconfigdirs="$noconfigdirs target-libffi"
784 noconfigdirs="$noconfigdirs target-libffi"
788 # Disable the go frontend on systems where it is known to not work. Please keep
789 # this in sync with contrib/config-list.mk.
791 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
792 unsupported_languages="$unsupported_languages go"
796 # Only allow gdbserver on some systems.
797 if test -d ${srcdir}/gdbserver; then
798 if test x$enable_gdbserver = x; then
799 AC_MSG_CHECKING([for gdbserver support])
800 if (srcdir=${srcdir}/gdbserver; \
801 . ${srcdir}/configure.srv; \
802 test -n "$UNSUPPORTED")
805 noconfigdirs="$noconfigdirs gdbserver"
812 # Disable libgo for some systems where it is known to not work.
813 # For testing, you can easily override this with --enable-libgo.
814 if test x$enable_libgo = x; then
818 noconfigdirs="$noconfigdirs target-libgo"
820 *-*-cygwin* | *-*-mingw*)
821 noconfigdirs="$noconfigdirs target-libgo"
826 # Default libgloss CPU subdirectory.
827 libgloss_dir="$target_cpu"
830 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
839 cris-*-* | crisv32-*-*)
848 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
865 # Disable newlib and libgloss for various target OSes.
868 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 i[[3456789]]86-*-linux*)
871 # This section makes it possible to build newlib natively on linux.
872 # If we are using a cross compiler then don't configure newlib.
873 if test x${is_cross_compiler} != xno ; then
874 noconfigdirs="$noconfigdirs target-newlib"
876 noconfigdirs="$noconfigdirs target-libgloss"
877 # If we are not using a cross compiler, do configure newlib.
878 # Note however, that newlib will only be configured in this situation
879 # if the --with-newlib option has been given, because otherwise
880 # 'target-newlib' will appear in skipdirs.
882 i[[3456789]]86-*-rdos*)
883 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 sh*-*-pe|mips*-*-pe|arm-wince-pe)
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
901 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
904 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
906 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
910 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
916 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
919 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
922 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
928 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
936 noconfigdirs="$noconfigdirs ld gas gdb gprof"
937 noconfigdirs="$noconfigdirs sim target-rda"
940 noconfigdirs="$noconfigdirs ld gas gdb gprof"
941 noconfigdirs="$noconfigdirs sim target-rda"
944 noconfigdirs="$noconfigdirs ld gas gdb gprof"
945 noconfigdirs="$noconfigdirs sim target-rda"
947 i[[3456789]]86-*-darwin*)
948 noconfigdirs="$noconfigdirs ld gprof"
949 noconfigdirs="$noconfigdirs sim target-rda"
951 x86_64-*-darwin[[912]]*)
952 noconfigdirs="$noconfigdirs ld gas gprof"
953 noconfigdirs="$noconfigdirs sim target-rda"
956 noconfigdirs="$noconfigdirs ld gas gdb gprof"
957 noconfigdirs="$noconfigdirs sim target-rda"
962 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
963 && test -f /usr/local/include/gmp.h; then
968 # Remove unsupported stuff on all kaOS configurations.
969 noconfigdirs="$noconfigdirs target-libgloss"
976 noconfigdirs="$noconfigdirs target-libgloss"
979 noconfigdirs="$noconfigdirs target-libgloss"
981 # The tpf target doesn't support gdb yet.
983 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
986 noconfigdirs="$noconfigdirs target-rda"
991 # ld works, but does not support shared libraries.
992 # gas doesn't generate exception information.
993 noconfigdirs="$noconfigdirs gas ld"
996 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
999 # newlib is not 64 bit ready
1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1002 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1003 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1006 noconfigdirs="$noconfigdirs sim"
1009 noconfigdirs="$noconfigdirs target-libgloss"
1012 noconfigdirs="$noconfigdirs ld target-libgloss"
1015 if test x${with_avrlibc} != xno; then
1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1019 c4x-*-* | tic4x-*-*)
1020 noconfigdirs="$noconfigdirs target-libgloss"
1023 noconfigdirs="$noconfigdirs target-libgloss gdb"
1026 noconfigdirs="$noconfigdirs target-libgloss"
1029 noconfigdirs="$noconfigdirs gdb"
1032 noconfigdirs="$noconfigdirs gdb"
1035 noconfigdirs="$noconfigdirs target-rda gprof"
1038 noconfigdirs="$noconfigdirs"
1041 noconfigdirs="$noconfigdirs target-libgloss"
1044 noconfigdirs="$noconfigdirs target-libgloss"
1046 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1049 noconfigdirs="$noconfigdirs gdb"
1052 noconfigdirs="$noconfigdirs gdb ld"
1060 hppa*-*-openbsd* | \
1066 noconfigdirs="$noconfigdirs ld"
1069 noconfigdirs="$noconfigdirs gdb"
1072 # No gdb support yet.
1073 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1076 # No ld support yet.
1077 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1080 # No ld support yet.
1081 noconfigdirs="$noconfigdirs libgui itcl ld"
1083 i[[3456789]]86-w64-mingw*)
1085 i[[3456789]]86-*-mingw*)
1086 target_configdirs="$target_configdirs target-winsup"
1089 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1090 noconfigdirs="$noconfigdirs target-libgloss"
1091 # always build newlib if winsup directory is present.
1092 if test -d "$srcdir/winsup/cygwin"; then
1093 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1094 elif test -d "$srcdir/newlib"; then
1095 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1098 i[[3456789]]86-*-pe)
1099 noconfigdirs="$noconfigdirs target-libgloss"
1101 i[[3456789]]86-*-sco3.2v5*)
1102 # The linker does not yet know about weak symbols in COFF,
1103 # and is not configured to handle mixed ELF and COFF.
1104 noconfigdirs="$noconfigdirs ld target-libgloss"
1106 i[[3456789]]86-*-sco*)
1107 noconfigdirs="$noconfigdirs gprof target-libgloss"
1109 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1110 noconfigdirs="$noconfigdirs target-libgloss"
1112 i[[3456789]]86-*-sysv4*)
1113 noconfigdirs="$noconfigdirs target-libgloss"
1115 i[[3456789]]86-*-beos*)
1116 noconfigdirs="$noconfigdirs gdb"
1118 i[[3456789]]86-*-rdos*)
1119 noconfigdirs="$noconfigdirs gdb"
1122 noconfigdirs="$noconfigdirs gdb"
1125 noconfigdirs="$noconfigdirs sim"
1128 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1129 noconfigdirs="$noconfigdirs $target_libraries"
1132 noconfigdirs="$noconfigdirs gdb gprof"
1135 # copied from rs6000-*-* entry
1136 noconfigdirs="$noconfigdirs gprof"
1138 powerpc*-*-winnt* | powerpc*-*-pe*)
1139 target_configdirs="$target_configdirs target-winsup"
1140 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1141 # always build newlib.
1142 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1144 # This is temporary until we can link against shared libraries
1145 powerpcle-*-solaris*)
1146 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1149 noconfigdirs="$noconfigdirs gdb"
1152 noconfigdirs="$noconfigdirs gprof"
1155 noconfigdirs="$noconfigdirs gprof"
1158 noconfigdirs="$noconfigdirs gprof"
1161 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1164 noconfigdirs="$noconfigdirs gprof"
1166 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1167 if test x$with_newlib = xyes; then
1168 noconfigdirs="$noconfigdirs gprof"
1172 noconfigdirs="$noconfigdirs gprof target-libgloss"
1175 noconfigdirs="$noconfigdirs gprof target-libgloss"
1178 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1182 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1183 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1184 noconfigdirs="$noconfigdirs ld gas gprof"
1187 noconfigdirs="$noconfigdirs gprof"
1190 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1197 noconfigdirs="$noconfigdirs target-libgloss" ;;
1201 if test x${is_cross_compiler} = xno ; then
1206 noconfigdirs="$noconfigdirs sim"
1208 tilepro*-*-* | tilegx*-*-*)
1209 noconfigdirs="$noconfigdirs sim"
1212 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1215 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1218 noconfigdirs="$noconfigdirs ld"
1222 # If we aren't building newlib, then don't build libgloss, since libgloss
1223 # depends upon some newlib header files.
1224 case "${noconfigdirs}" in
1225 *target-libgloss*) ;;
1226 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1229 # Work in distributions that contain no compiler tools, like Autoconf.
1230 host_makefile_frag=/dev/null
1231 if test -d ${srcdir}/config ; then
1233 i[[3456789]]86-*-msdosdjgpp*)
1234 host_makefile_frag="config/mh-djgpp"
1237 ACX_CHECK_CYGWIN_CAT_WORKS
1238 host_makefile_frag="config/mh-cygwin"
1241 host_makefile_frag="config/mh-mingw"
1244 host_makefile_frag="config/mh-alpha-linux"
1247 host_makefile_frag="config/mh-pa-hpux10"
1250 host_makefile_frag="config/mh-pa"
1253 host_makefile_frag="config/mh-pa"
1256 host_makefile_frag="config/mh-darwin"
1259 host_makefile_frag="config/mh-ppc-aix"
1262 host_makefile_frag="config/mh-ppc-aix"
1267 if test "${build}" != "${host}" ; then
1268 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1269 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1270 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1271 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1272 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1273 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1274 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1275 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1276 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1277 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1278 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1279 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1281 AR_FOR_BUILD="\$(AR)"
1282 AS_FOR_BUILD="\$(AS)"
1283 CC_FOR_BUILD="\$(CC)"
1284 CXX_FOR_BUILD="\$(CXX)"
1285 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1286 GOC_FOR_BUILD="\$(GOC)"
1287 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1288 LD_FOR_BUILD="\$(LD)"
1289 NM_FOR_BUILD="\$(NM)"
1290 RANLIB_FOR_BUILD="\$(RANLIB)"
1291 WINDRES_FOR_BUILD="\$(WINDRES)"
1292 WINDMC_FOR_BUILD="\$(WINDMC)"
1298 # We must set the default linker to the linker used by gcc for the correct
1299 # operation of libtool. If LD is not defined and we are using gcc, try to
1300 # set the LD default to the ld used by gcc.
1301 if test -z "$LD"; then
1302 if test "$GCC" = yes; then
1305 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1307 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1309 case $gcc_prog_ld in
1310 # Accept absolute paths.
1311 [[\\/]* | [A-Za-z]:[\\/]*)]
1312 LD="$gcc_prog_ld" ;;
1317 # Check whether -static-libstdc++ -static-libgcc is supported.
1319 if test "$GCC" = yes; then
1320 saved_LDFLAGS="$LDFLAGS"
1322 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1323 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1325 AC_LINK_IFELSE([AC_LANG_SOURCE([
1326 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1327 #error -static-libstdc++ not implemented
1330 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1331 [AC_MSG_RESULT([no])])
1334 LDFLAGS="$saved_LDFLAGS"
1338 ACX_PROG_CMP_IGNORE_INITIAL
1340 AC_ARG_ENABLE([bootstrap],
1341 [AS_HELP_STRING([--enable-bootstrap],
1342 [enable bootstrapping @<:@yes if native build@:>@])],,
1343 enable_bootstrap=default)
1345 # Issue errors and warnings for invalid/strange bootstrap combinations.
1346 if test -r $srcdir/gcc/configure; then
1352 case "$have_compiler:$host:$target:$enable_bootstrap" in
1355 # Default behavior. Enable bootstrap if we have a compiler
1356 # and we are in a native configuration.
1357 yes:$build:$build:default)
1358 enable_bootstrap=yes ;;
1361 enable_bootstrap=no ;;
1363 # We have a compiler and we are in a native configuration, bootstrap is ok
1364 yes:$build:$build:yes)
1367 # Other configurations, but we have a compiler. Assume the user knows
1370 AC_MSG_WARN([trying to bootstrap a cross compiler])
1373 # No compiler: if they passed --enable-bootstrap explicitly, fail
1375 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1377 # Fail if wrong command line
1379 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1383 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1384 # C++98 compiler can still start the bootstrap.
1385 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1386 CXX="$CXX -std=gnu++98"
1389 AC_ARG_ENABLE([pgo-build],
1390 [AS_HELP_STRING([--enable-pgo-build[[=lto]]],
1391 [enable the PGO build])],
1392 [enable_pgo_build=$enableval],
1393 [enable_pgo_build=no])
1395 # Issue errors and warnings for invalid/strange PGO build combinations.
1396 case "$have_compiler:$host:$target:$enable_pgo_build" in
1399 # Allow the PGO build only if we aren't building a compiler and
1400 # we are in a native configuration.
1401 no:$build:$build:yes | no:$build:$build:lto) ;;
1403 # Disallow the PGO bootstrap if we are building a compiler.
1404 yes:*:*:yes | yes:*:*:lto)
1405 AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;;
1408 AC_MSG_ERROR([invalid option for --enable-pgo-build])
1412 if test "$enable_pgo_build" != "no"; then
1413 AC_MSG_CHECKING([whether the compiler supports -fprofile-generate])
1414 old_CFLAGS="$CFLAGS"
1415 PGO_BUILD_GEN_CFLAGS="-fprofile-generate"
1416 CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS"
1417 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1418 [PGO_BUILD_GEN_CFLAGS=])
1419 CFLAGS="$old_CFLAGS"
1420 if test -n "$PGO_BUILD_GEN_CFLAGS"; then
1421 AC_MSG_RESULT([yes])
1422 PGO_BUILD_USE_CFLAGS="-fprofile-use"
1425 AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate])
1428 if test "$enable_pgo_build" = "lto"; then
1429 AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects])
1430 old_CFLAGS="$CFLAGS"
1431 PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects"
1432 CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS"
1433 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1434 [PGO_BUILD_LTO_CFLAGS=])
1435 CFLAGS="$old_CFLAGS"
1436 if test -n "$PGO_BUILD_LTO_CFLAGS"; then
1437 AC_MSG_RESULT([yes])
1440 AC_MSG_WARN([LTO is disabled for the PGO build])
1444 AC_SUBST(PGO_BUILD_GEN_CFLAGS)
1445 AC_SUBST(PGO_BUILD_USE_CFLAGS)
1446 AC_SUBST(PGO_BUILD_LTO_CFLAGS)
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(2,4,0)
1607 ], [AC_TRY_COMPILE([#include <gmp.h>
1608 #include <mpfr.h>],[
1609 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
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 $gmplibs"
1636 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1637 AC_TRY_LINK([#include <mpc.h>],[
1644 mpfr_atan2 (n, n, x, GMP_RNDN);
1645 mpfr_erfc (n, x, GMP_RNDN);
1646 mpfr_subnormalize (x, t, GMP_RNDN);
1650 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1651 mpc_cosh (c, c, MPC_RNDNN);
1652 mpc_pow (c, c, c, MPC_RNDNN);
1653 mpc_acosh (c, c, MPC_RNDNN);
1655 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1659 CFLAGS="$saved_CFLAGS"
1661 # The library versions listed in the error message below should match
1662 # the HARD-minimums enforced above.
1663 if test x$have_gmp != xyes; then
1664 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1665 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1666 their locations. Source code for these libraries can be found at
1667 their respective hosting sites as well as at
1668 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1669 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1670 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1671 make sure that you have installed both the libraries and the header
1672 files. They may be located in separate packages.])
1676 # Flags needed for both GMP, MPFR and/or MPC.
1679 AC_SUBST(extra_mpfr_configure_flags)
1680 AC_SUBST(extra_mpc_gmp_configure_flags)
1681 AC_SUBST(extra_mpc_mpfr_configure_flags)
1682 AC_SUBST(extra_isl_gmp_configure_flags)
1684 # Libraries to use for stage1 or when not bootstrapping.
1685 AC_ARG_WITH(stage1-libs,
1686 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1687 [if test "$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 # If gcc/ is not in the source tree then we'll not be building a
2251 # target compiler, assume in that case we don't want to build any
2252 # target libraries or tools.
2254 # This was added primarily for the benefit for binutils-gdb who reuse
2255 # this configure script, but don't always have target tools available.
2256 if test ! -d ${srcdir}/gcc; then
2257 skipdirs="${skipdirs} ${target_configdirs}"
2260 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2261 # $build_configdirs and $target_configdirs.
2262 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2265 for dir in . $skipdirs $noconfigdirs ; do
2266 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2267 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2268 configdirs=`echo " ${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 " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2278 build_configdirs=`echo " ${build_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"
2287 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2288 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2289 if test -r $srcdir/$dirname/configure ; then
2290 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2293 notsupp="$notsupp $dir"
2299 # Quietly strip out all directories which aren't configurable in this tree.
2300 # This relies on all configurable subdirectories being autoconfiscated, which
2302 build_configdirs_all="$build_configdirs"
2304 for i in ${build_configdirs_all} ; do
2305 j=`echo $i | sed -e s/build-//g`
2306 if test -f ${srcdir}/$j/configure ; then
2307 build_configdirs="${build_configdirs} $i"
2311 configdirs_all="$configdirs"
2313 for i in ${configdirs_all} ; do
2314 if test -f ${srcdir}/$i/configure ; then
2315 configdirs="${configdirs} $i"
2319 target_configdirs_all="$target_configdirs"
2321 for i in ${target_configdirs_all} ; do
2322 j=`echo $i | sed -e s/target-//g`
2323 if test -f ${srcdir}/$j/configure ; then
2324 target_configdirs="${target_configdirs} $i"
2328 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2329 # so we have to add it after the preceding checks.
2330 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2332 case " $configdirs " in
2334 # If we can build libiberty, we can also build libiberty-linker-plugin.
2335 configdirs="$configdirs libiberty-linker-plugin"
2336 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2337 --with-libiberty=../libiberty-linker-plugin";;
2339 AC_MSG_ERROR([libiberty missing]);;
2343 # Sometimes we have special requirements for the host libiberty.
2344 extra_host_libiberty_configure_flags=
2345 extra_host_zlib_configure_flags=
2346 case " $configdirs " in
2347 *" lto-plugin "* | *" libcc1 "*)
2348 # When these are to be built as shared libraries, the same applies to
2350 extra_host_libiberty_configure_flags=--enable-shared
2353 # When bfd is to be built as a shared library, the same applies to
2355 if test "$enable_shared" = "yes"; then
2356 extra_host_zlib_configure_flags=--enable-host-shared
2360 AC_SUBST(extra_host_libiberty_configure_flags)
2361 AC_SUBST(extra_host_zlib_configure_flags)
2363 # Produce a warning message for the subdirs we can't configure.
2364 # This isn't especially interesting in the Cygnus tree, but in the individual
2365 # FSF releases, it's important to let people know when their machine isn't
2366 # supported by the one or two programs in a package.
2368 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2369 # If $appdirs is non-empty, at least one of those directories must still
2370 # be configured, or we error out. (E.g., if the gas release supports a
2371 # specified target in some subdirs but not the gas subdir, we shouldn't
2372 # pretend that all is well.)
2373 if test -n "$appdirs" ; then
2374 for dir in $appdirs ; do
2375 if test -r $dir/Makefile.in ; then
2376 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2380 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2386 if test -n "$appdirs" ; then
2387 echo "*** This configuration is not supported by this package." 1>&2
2391 # Okay, some application will build, or we don't care to check. Still
2392 # notify of subdirs not getting built.
2393 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2394 echo " ${notsupp}" 1>&2
2395 echo " (Any other directories should still work fine.)" 1>&2
2403 # To find our prefix, in gcc_cv_tool_prefix.
2408 AC_ARG_WITH([build-sysroot],
2409 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2410 [use sysroot as the system root during the build])],
2411 [if test x"$withval" != x ; then
2412 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2414 [SYSROOT_CFLAGS_FOR_TARGET=])
2415 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2417 AC_ARG_WITH([debug-prefix-map],
2418 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2419 [map A to B, C to D ... in debug information])],
2420 [if test x"$withval" != x; then
2421 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2422 for debug_map in $withval; do
2423 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2426 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2427 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2429 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2430 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2431 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2432 # We want to ensure that TARGET libraries (which we know are built with
2433 # gcc) are built with "-O2 -g", so include those options when setting
2434 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2435 if test "x$CFLAGS_FOR_TARGET" = x; then
2436 if test "x${is_cross_compiler}" = xyes; then
2437 CFLAGS_FOR_TARGET="-g -O2"
2439 CFLAGS_FOR_TARGET=$CFLAGS
2442 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2445 *" -g "* | *" -g3 "*) ;;
2446 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2450 AC_SUBST(CFLAGS_FOR_TARGET)
2452 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2453 if test "x${is_cross_compiler}" = xyes; then
2454 CXXFLAGS_FOR_TARGET="-g -O2"
2456 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2457 case " $CXXFLAGS " in
2459 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2461 case " $CXXFLAGS " in
2462 *" -g "* | *" -g3 "*) ;;
2463 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2467 AC_SUBST(CXXFLAGS_FOR_TARGET)
2469 AC_SUBST(LDFLAGS_FOR_TARGET)
2471 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2472 # the named directory are copied to $(tooldir)/sys-include.
2473 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2474 if test x${is_cross_compiler} = xno ; then
2475 echo 1>&2 '***' --with-headers is only supported when cross compiling
2478 if test x"${with_headers}" != xyes ; then
2479 x=${gcc_cv_tool_prefix}
2480 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2484 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2485 # the name directories are copied to $(tooldir)/lib. Multiple directories
2487 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2488 if test x${is_cross_compiler} = xno ; then
2489 echo 1>&2 '***' --with-libs is only supported when cross compiling
2492 if test x"${with_libs}" != xyes ; then
2493 # Copy the libraries in reverse order, so that files in the first named
2494 # library override files in subsequent libraries.
2495 x=${gcc_cv_tool_prefix}
2496 for l in ${with_libs}; do
2497 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2502 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2504 # This is done by determining whether or not the appropriate directory
2505 # is available, and by checking whether or not specific configurations
2506 # have requested that this magic not happen.
2508 # The command line options always override the explicit settings in
2509 # configure.ac, and the settings in configure.ac override this magic.
2511 # If the default for a toolchain is to use GNU as and ld, and you don't
2512 # want to do that, then you should use the --without-gnu-as and
2513 # --without-gnu-ld options for the configure script. Similarly, if
2514 # the default is to use the included zlib and you don't want to do that,
2515 # you should use the --with-system-zlib option for the configure script.
2517 if test x${use_gnu_as} = x &&
2518 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2520 extra_host_args="$extra_host_args --with-gnu-as"
2523 if test x${use_gnu_ld} = x &&
2524 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2526 extra_host_args="$extra_host_args --with-gnu-ld"
2529 if test x${use_included_zlib} = x &&
2530 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2533 with_system_zlib=yes
2534 extra_host_args="$extra_host_args --with-system-zlib"
2537 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2538 # can detect this case.
2540 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2542 extra_host_args="$extra_host_args --with-newlib"
2545 # Handle ${copy_dirs}
2546 set fnord ${copy_dirs}
2548 while test $# != 0 ; do
2549 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2552 echo Copying $1 to $2
2554 # Use the install script to create the directory and all required
2555 # parent directories.
2556 if test -d $2 ; then
2560 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2563 # Copy the directory, assuming we have tar.
2564 # FIXME: Should we use B in the second tar? Not all systems support it.
2565 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2567 # It is the responsibility of the user to correctly adjust all
2568 # symlinks. If somebody can figure out how to handle them correctly
2569 # here, feel free to add the code.
2576 # Determine a target-dependent exec_prefix that the installed
2577 # gcc will search in. Keep this list sorted by triplet, with
2578 # the *-*-osname triplets last.
2581 i[[34567]]86-pc-msdosdjgpp*)
2582 md_exec_prefix=/dev/env/DJDIR/bin
2587 md_exec_prefix=/usr/ccs/bin
2591 extra_arflags_for_target=
2592 extra_nmflags_for_target=
2593 extra_ranlibflags_for_target=
2594 target_makefile_frag=/dev/null
2597 target_makefile_frag="config/mt-spu"
2599 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2600 target_makefile_frag="config/mt-sde"
2602 mipsisa*-*-elfoabi*)
2603 target_makefile_frag="config/mt-mips-elfoabi"
2605 mips*-*-*linux* | mips*-*-gnu*)
2606 target_makefile_frag="config/mt-mips-gnu"
2609 target_makefile_frag="config/mt-nios2-elf"
2612 target_makefile_frag="config/mt-android"
2614 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2615 target_makefile_frag="config/mt-gnu"
2617 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2618 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2619 # commands to handle both 32-bit and 64-bit objects. These flags are
2620 # harmless if we're using GNU nm or ar.
2621 extra_arflags_for_target=" -X32_64"
2622 extra_nmflags_for_target=" -B -X32_64"
2626 alphaieee_frag=/dev/null
2629 # This just makes sure to use the -mieee option to build target libs.
2630 # This should probably be set individually by each library.
2631 alphaieee_frag="config/mt-alphaieee"
2635 # If --enable-target-optspace always use -Os instead of -O2 to build
2636 # the target libraries, similarly if it is not specified, use -Os
2637 # on selected platforms.
2638 ospace_frag=/dev/null
2639 case "${enable_target_optspace}:${target}" in
2641 ospace_frag="config/mt-ospace"
2644 ospace_frag="config/mt-d30v"
2646 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2647 ospace_frag="config/mt-ospace"
2652 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2656 # Some systems (e.g., one of the i386-aix systems the gas testers are
2657 # using) don't handle "\$" correctly, so don't use it here.
2658 tooldir='${exec_prefix}'/${target_noncanonical}
2659 build_tooldir=${tooldir}
2661 # Create a .gdbinit file which runs the one in srcdir
2662 # and tells GDB to look there for source files.
2664 if test -r ${srcdir}/.gdbinit ; then
2667 *) cat > ./.gdbinit <<EOF
2671 source ${srcdir}/.gdbinit
2677 # Make sure that the compiler is able to generate an executable. If it
2678 # can't, we are probably in trouble. We don't care whether we can run the
2679 # executable--we might be using a cross compiler--we only care whether it
2680 # can be created. At this point the main configure script has set CC.
2682 echo "int main () { return 0; }" > conftest.c
2683 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2684 if test $? = 0 ; then
2685 if test -s conftest || test -s conftest.exe ; then
2691 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2692 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2699 # Decide which environment variable is used to find dynamic libraries.
2701 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2702 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2703 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2704 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2707 # On systems where the dynamic library environment variable is PATH,
2708 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2709 # built executables to PATH.
2710 if test "$RPATH_ENVVAR" = PATH; then
2711 GCC_SHLIB_SUBDIR=/shlib
2716 # Adjust the toplevel makefile according to whether bootstrap was selected.
2717 case $enable_bootstrap in
2719 bootstrap_suffix=bootstrap
2720 BUILD_CONFIG=bootstrap-debug
2723 bootstrap_suffix=no-bootstrap
2728 AC_MSG_CHECKING(for default BUILD_CONFIG)
2730 AC_ARG_WITH([build-config],
2731 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2732 [use config/NAME.mk build configuration])],
2733 [case $with_build_config in
2734 yes) with_build_config= ;;
2735 no) with_build_config= BUILD_CONFIG= ;;
2738 if test "x${with_build_config}" != x; then
2739 BUILD_CONFIG=$with_build_config
2741 case $BUILD_CONFIG in
2743 if echo "int f (void) { return 0; }" > conftest.c &&
2744 ${CC} -c conftest.c &&
2745 mv conftest.o conftest.o.g0 &&
2746 ${CC} -c -g conftest.c &&
2747 mv conftest.o conftest.o.g &&
2748 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2753 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2757 AC_MSG_RESULT($BUILD_CONFIG)
2758 AC_SUBST(BUILD_CONFIG)
2760 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2761 AC_MSG_CHECKING([for --enable-vtable-verify])
2762 AC_ARG_ENABLE(vtable-verify,
2763 [AS_HELP_STRING([--enable-vtable-verify],
2764 [Enable vtable verification feature])],
2765 [case "$enableval" in
2766 yes) enable_vtable_verify=yes ;;
2767 no) enable_vtable_verify=no ;;
2768 *) enable_vtable_verify=no;;
2770 [enable_vtable_verify=no])
2771 AC_MSG_RESULT($enable_vtable_verify)
2773 # Record target_configdirs and the configure arguments for target and
2774 # build configuration in Makefile.
2775 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2776 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2777 bootstrap_fixincludes=no
2779 # If we are building libgomp, bootstrap it.
2780 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2781 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2784 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2785 # or bootstrap-ubsan, bootstrap it.
2786 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2787 case "$BUILD_CONFIG" in
2788 *bootstrap-asan* | *bootstrap-ubsan* )
2789 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2790 bootstrap_fixincludes=yes
2795 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2796 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2797 test "$enable_vtable_verify" != no; then
2798 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2801 # Determine whether gdb needs tk/tcl or not.
2802 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2803 # and in that case we want gdb to be built without tk. Ugh!
2804 # In fact I believe gdb is the *only* package directly dependent on tk,
2805 # so we should be able to put the 'maybe's in unconditionally and
2806 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2807 # 100% sure that that's safe though.
2809 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2810 case "$enable_gdbtk" in
2814 GDB_TK="${gdb_tk}" ;;
2816 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2817 # distro. Eventually someone will fix this and move Insight, nee
2818 # gdbtk to a separate directory.
2819 if test -d ${srcdir}/gdb/gdbtk ; then
2826 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2827 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2829 # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2830 # else does, only include them if one of these is built. The Makefile
2831 # provides the ordering, so it's enough here to add to the list.
2832 case " ${configdirs} " in
2834 configdirs="${configdirs} gnulib gdbsupport"
2837 configdirs="${configdirs} gnulib gdbsupport"
2840 configdirs="${configdirs} gnulib"
2844 # Strip out unwanted targets.
2846 # While at that, we remove Makefiles if we were started for recursive
2847 # configuration, so that the top-level Makefile reconfigures them,
2848 # like we used to do when configure itself was recursive.
2850 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2851 # but now we're fixing up the Makefile ourselves with the additional
2852 # commands passed to AC_CONFIG_FILES. Use separate variables
2853 # extrasub-{build,host,target} not because there is any reason to split
2854 # the substitutions up that way, but only to remain below the limit of
2855 # 99 commands in a script, for HP-UX sed.
2857 # Do not nest @if/@endif or @unless/@endunless pairs, because
2858 # configure will not warn you at all.
2860 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2861 yes:yes:*\ gold\ *:*,c++,*) ;;
2862 yes:yes:*\ gold\ *:*)
2863 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2868 for module in ${build_configdirs} ; do
2869 if test -z "${no_recursion}" \
2870 && test -f ${build_subdir}/${module}/Makefile; then
2871 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2872 rm -f ${build_subdir}/${module}/Makefile
2874 extrasub_build="$extrasub_build
2875 /^@if build-$module\$/d
2876 /^@endif build-$module\$/d
2877 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2878 /^@if build-$module-$bootstrap_suffix\$/d
2879 /^@endif build-$module-$bootstrap_suffix\$/d
2880 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2883 for module in ${configdirs} ; do
2884 if test -z "${no_recursion}"; then
2885 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2886 if test -f ${file}; then
2887 echo 1>&2 "*** removing ${file} to force reconfigure"
2892 case ${module},${bootstrap_fixincludes} in
2893 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2894 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2896 extrasub_host="$extrasub_host
2898 /^@endif $module\$/d
2899 /^@unless $module\$/,/^@endunless $module\$/d
2900 /^@if $module-$host_bootstrap_suffix\$/d
2901 /^@endif $module-$host_bootstrap_suffix\$/d
2902 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2905 for module in ${target_configdirs} ; do
2906 if test -z "${no_recursion}" \
2907 && test -f ${target_subdir}/${module}/Makefile; then
2908 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2909 rm -f ${target_subdir}/${module}/Makefile
2912 # We only bootstrap target libraries listed in bootstrap_target_libs.
2913 case $bootstrap_target_libs in
2914 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2915 *) target_bootstrap_suffix=no-bootstrap ;;
2918 extrasub_target="$extrasub_target
2919 /^@if target-$module\$/d
2920 /^@endif target-$module\$/d
2921 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2922 /^@if target-$module-$target_bootstrap_suffix\$/d
2923 /^@endif target-$module-$target_bootstrap_suffix\$/d
2924 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2927 # Do the final fixup along with target modules.
2928 extrasub_target="$extrasub_target
2933 if test "$enable_pgo_build" != "no"; then
2934 extrasub_build="$extrasub_build
2936 /^@endif pgo-build\$/d"
2939 # Create the serialization dependencies. This uses a temporary file.
2941 AC_ARG_ENABLE([serial-configure],
2942 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2943 [force sequential configuration of
2944 sub-packages for the host, target or build
2945 machine, or all sub-packages])])
2947 case ${enable_serial_configure} in
2949 enable_serial_build_configure=yes
2950 enable_serial_host_configure=yes
2951 enable_serial_target_configure=yes
2955 # These force 'configure's to be done one at a time, to avoid problems
2956 # with contention over a shared config.cache.
2958 echo '# serdep.tmp' > serdep.tmp
2960 test "x${enable_serial_build_configure}" = xyes &&
2961 for item in ${build_configdirs} ; do
2964 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2969 test "x${enable_serial_host_configure}" = xyes &&
2970 for item in ${configdirs} ; do
2973 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2978 test "x${enable_serial_target_configure}" = xyes &&
2979 for item in ${target_configdirs} ; do
2982 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2986 serialization_dependencies=serdep.tmp
2987 AC_SUBST_FILE(serialization_dependencies)
2989 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2990 # target, nonopt, and variable assignments. These are the ones we
2991 # might not want to pass down to subconfigures. The exception being
2992 # --cache-file=/dev/null, which is used to turn off the use of cache
2993 # files altogether, and which should be passed on to subconfigures.
2994 # Also strip program-prefix, program-suffix, and program-transform-name,
2995 # so that we can pass down a consistent program-transform-name.
3000 eval "set -- $ac_configure_args"
3003 if test X"$skip_next" = X"yes"; then
3007 if test X"$keep_next" = X"yes"; then
3010 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3012 baseargs="$baseargs '$ac_arg'"
3013 tbaseargs="$tbaseargs '$ac_arg'"
3018 # Handle separated arguments. Based on the logic generated by
3021 *=* | --config-cache | -C | -disable-* | --disable-* \
3022 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3023 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3024 | -with-* | --with-* | -without-* | --without-* | --x)
3038 --with-* | --without-*)
3039 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3043 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3046 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3055 mpc | mpfr | gmp | isl)
3056 # If we're processing --with-$lib, --with-$lib-include or
3057 # --with-$lib-lib, for one of the libs above, and target is
3058 # different from host, don't pass the current argument to any
3059 # target library's configure.
3060 if test x$is_cross_compiler = xyes; then
3069 --cache-file=/dev/null | \
3070 -cache-file=/dev/null )
3071 # Handled here to avoid the test to skip args below.
3072 baseargs="$baseargs '$ac_arg'"
3073 tbaseargs="$tbaseargs '$ac_arg'"
3074 # Assert: $separate_arg should always be no.
3075 keep_next=$separate_arg
3091 -program-prefix* | \
3092 -program-suffix* | \
3093 -program-transform-name* )
3094 skip_next=$separate_arg
3098 # An option. Add it.
3101 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3103 baseargs="$baseargs '$ac_arg'"
3104 if test X"$skip_targ" = Xno; then
3105 tbaseargs="$tbaseargs '$ac_arg'"
3107 keep_next=$separate_arg
3110 # Either a variable assignment, or a nonopt (triplet). Don't
3111 # pass it down; let the Makefile handle this.
3116 # Remove the initial space we just introduced and, as these will be
3117 # expanded by make, quote '$'.
3118 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3120 # Add in --program-transform-name, after --program-prefix and
3121 # --program-suffix have been applied to it. Autoconf has already
3122 # doubled dollar signs and backslashes in program_transform_name; we want
3123 # the backslashes un-doubled, and then the entire thing wrapped in single
3124 # quotes, because this will be expanded first by make and then by the shell.
3125 # Also, because we want to override the logic in subdir configure scripts to
3126 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3127 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3128 ${program_transform_name}
3130 gcc_transform_name=`cat conftestsed.out`
3131 rm -f conftestsed.out
3132 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3133 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3134 if test "$silent" = yes; then
3135 baseargs="$baseargs --silent"
3136 tbaseargs="$tbaseargs --silent"
3138 baseargs="$baseargs --disable-option-checking"
3139 tbaseargs="$tbaseargs --disable-option-checking"
3141 # Record and document user additions to sub configure arguments.
3142 AC_ARG_VAR([build_configargs],
3143 [additional configure arguments for build directories])
3144 AC_ARG_VAR([host_configargs],
3145 [additional configure arguments for host directories])
3146 AC_ARG_VAR([target_configargs],
3147 [additional configure arguments for target directories])
3149 # For the build-side libraries, we just need to pretend we're native,
3150 # and not use the same cache file. Multilibs are neither needed nor
3151 # desired. We can't even use the same cache file for all build-side
3152 # libraries, as they're compiled differently; some with C, some with
3153 # C++ or with different feature-enabling options.
3154 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3156 # For host modules, accept cache file option, or specification as blank.
3157 case "${cache_file}" in
3159 cache_file_option="" ;;
3160 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3161 cache_file_option="--cache-file=${cache_file}" ;;
3163 cache_file_option="--cache-file=../${cache_file}" ;;
3166 # Host dirs don't like to share a cache file either, horribly enough.
3167 # This seems to be due to autoconf 2.5x stupidity.
3168 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3170 target_configargs="$target_configargs ${tbaseargs}"
3172 # Passing a --with-cross-host argument lets the target libraries know
3173 # whether they are being built with a cross-compiler or being built
3174 # native. However, it would be better to use other mechanisms to make the
3175 # sorts of decisions they want to make on this basis. Please consider
3176 # this option to be deprecated. FIXME.
3177 if test x${is_cross_compiler} = xyes ; then
3178 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3181 # Special user-friendly check for native x86_64-linux build, if
3182 # multilib is not explicitly enabled.
3183 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3184 x86_64-*linux*:yes:$build:$build:)
3185 # Make sure we have a development environment that handles 32-bit
3187 echo "int main () { return 0; }" > conftest.c
3188 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3189 if test $? = 0 ; then
3190 if test -s conftest || test -s conftest.exe ; then
3195 if test x${dev64} != xyes ; then
3196 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.])
3201 # Default to --enable-multilib.
3202 if test x${enable_multilib} = x ; then
3203 target_configargs="--enable-multilib ${target_configargs}"
3206 # Pass --with-newlib if appropriate. Note that target_configdirs has
3207 # changed from the earlier setting of with_newlib.
3208 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3209 target_configargs="--with-newlib ${target_configargs}"
3212 # Different target subdirs use different values of certain variables
3213 # (notably CXX). Worse, multilibs use *lots* of different values.
3214 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3215 # it doesn't automatically accept command-line overrides of them.
3216 # This means it's not safe for target subdirs to share a cache file,
3217 # which is disgusting, but there you have it. Hopefully this can be
3218 # fixed in future. It's still worthwhile to use a cache file for each
3219 # directory. I think.
3221 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3222 # We need to pass --target, as newer autoconf's requires consistency
3223 # for target_alias and gcc doesn't manage it consistently.
3224 target_configargs="--cache-file=./config.cache ${target_configargs}"
3227 case " $target_configdirs " in
3229 case " $target_configargs " in
3230 *" --with-newlib "*)
3233 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3237 # If we're not building GCC, don't discard standard headers.
3238 if test -d ${srcdir}/gcc; then
3239 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3241 if test "${build}" != "${host}"; then
3242 # On Canadian crosses, CC_FOR_TARGET will have already been set
3243 # by `configure', so we won't have an opportunity to add -Bgcc/
3244 # to it. This is right: we don't want to search that directory
3245 # for binaries, but we want the header files in there, so add
3247 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3249 # Someone might think of using the pre-installed headers on
3250 # Canadian crosses, in case the installed compiler is not fully
3251 # compatible with the compiler being built. In this case, it
3252 # would be better to flag an error than risking having
3253 # incompatible object files being constructed. We can't
3254 # guarantee that an error will be flagged, but let's hope the
3255 # compiler will do it, when presented with incompatible header
3260 case "${target}-${is_cross_compiler}" in
3261 i[[3456789]]86-*-linux*-no)
3262 # Here host == target, so we don't need to build gcc,
3263 # so we don't want to discard standard headers.
3264 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3267 # If we're building newlib, use its generic headers last, but search
3268 # for any libc-related directories first (so make it the last -B
3270 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3272 # If we're building libgloss, find the startup file, simulator library
3273 # and linker script.
3274 case " $target_configdirs " in
3276 # Look for startup file, simulator library and maybe linker script.
3277 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3278 # Look for libnosys.a in case the target needs it.
3279 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3280 # Most targets have the linker script in the source directory.
3281 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3292 x86_64-*mingw* | *-w64-mingw*)
3293 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3294 # however, use a symlink named 'mingw' in ${prefix} .
3295 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3298 # MinGW can't be handled as Cygwin above since it does not use newlib.
3299 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3303 # Allow the user to override the flags for
3304 # our build compiler if desired.
3305 if test x"${build}" = x"${host}" ; then
3306 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3307 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3308 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3311 # On Canadian crosses, we'll be searching the right directories for
3312 # the previously-installed cross compiler, so don't bother to add
3313 # flags for directories within the install tree of the compiler
3314 # being built; programs in there won't even run.
3315 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3316 # Search for pre-installed headers if nothing else fits.
3317 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3320 if test "x${use_gnu_ld}" = x &&
3321 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3322 # Arrange for us to find uninstalled linker scripts.
3323 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3326 # Search for other target-specific linker scripts and such.
3329 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3333 # Makefile fragments.
3334 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3336 eval fragval=\$$frag
3337 if test $fragval != /dev/null; then
3338 eval $frag=${srcdir}/$fragval
3341 AC_SUBST_FILE(host_makefile_frag)
3342 AC_SUBST_FILE(target_makefile_frag)
3343 AC_SUBST_FILE(alphaieee_frag)
3344 AC_SUBST_FILE(ospace_frag)
3346 # Miscellanea: directories, flags, etc.
3347 AC_SUBST(RPATH_ENVVAR)
3348 AC_SUBST(GCC_SHLIB_SUBDIR)
3350 AC_SUBST(build_tooldir)
3351 AC_SUBST(CONFIGURE_GDB_TK)
3353 AC_SUBST(INSTALL_GDB_TK)
3355 # Build module lists & subconfigure args.
3356 AC_SUBST(build_configargs)
3357 AC_SUBST(build_configdirs)
3359 # Host module lists & subconfigure args.
3360 AC_SUBST(host_configargs)
3361 AC_SUBST(configdirs)
3362 AC_SUBST(target_configdirs)
3364 # Target module lists & subconfigure args.
3365 AC_SUBST(target_configargs)
3369 AC_SUBST(AR_FOR_BUILD)
3370 AC_SUBST(AS_FOR_BUILD)
3371 AC_SUBST(CC_FOR_BUILD)
3372 AC_SUBST(CFLAGS_FOR_BUILD)
3373 AC_SUBST(CXXFLAGS_FOR_BUILD)
3374 AC_SUBST(CXX_FOR_BUILD)
3375 AC_SUBST(DLLTOOL_FOR_BUILD)
3376 AC_SUBST(GFORTRAN_FOR_BUILD)
3377 AC_SUBST(GOC_FOR_BUILD)
3378 AC_SUBST(LDFLAGS_FOR_BUILD)
3379 AC_SUBST(LD_FOR_BUILD)
3380 AC_SUBST(NM_FOR_BUILD)
3381 AC_SUBST(RANLIB_FOR_BUILD)
3382 AC_SUBST(WINDMC_FOR_BUILD)
3383 AC_SUBST(WINDRES_FOR_BUILD)
3385 # Generate default definitions for YACC, M4, LEX and other programs that run
3386 # on the build machine. These are used if the Makefile can't locate these
3387 # programs in objdir.
3388 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3390 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3391 case " $build_configdirs " in
3392 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3395 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3396 case " $build_configdirs " in
3397 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3400 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3401 case " $build_configdirs " in
3402 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3405 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3406 case " $build_configdirs " in
3407 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3408 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3411 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3412 case " $build_configdirs " in
3413 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3416 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3417 case " $build_configdirs " in
3418 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3421 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3422 # higher, else we use the "missing" dummy.
3423 if ${MAKEINFO} --version \
3424 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3427 MAKEINFO="$MISSING makeinfo"
3433 # FIXME: expect and dejagnu may become build tools?
3435 AC_CHECK_PROGS(EXPECT, expect, expect)
3436 case " $configdirs " in
3438 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3442 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3443 case " $configdirs " in
3445 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3451 NCN_STRICT_CHECK_TOOLS(AR, ar)
3452 NCN_STRICT_CHECK_TOOLS(AS, as)
3453 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3454 NCN_STRICT_CHECK_TOOLS(LD, ld)
3455 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3456 NCN_STRICT_CHECK_TOOLS(NM, nm)
3457 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3458 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3459 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3460 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3461 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3462 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3463 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3468 AC_SUBST(PKG_CONFIG_PATH)
3470 GCC_PLUGIN_OPTION(PLUGIN_OPTION)
3472 RANLIB_PLUGIN_OPTION=
3473 if test -n "$PLUGIN_OPTION"; then
3474 if $AR --help 2>&1 | grep -q "\--plugin"; then
3475 AR_PLUGIN_OPTION="$PLUGIN_OPTION"
3477 if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
3478 RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
3481 if test "$enable_pgo_build" != "no"; then
3482 AC_MSG_ERROR([AR with --plugin and rc is required for LTO build])
3485 AC_SUBST(AR_PLUGIN_OPTION)
3486 AC_SUBST(RANLIB_PLUGIN_OPTION)
3489 AC_ARG_WITH([build-time-tools],
3490 [AS_HELP_STRING([--with-build-time-tools=PATH],
3491 [use given path to find target tools during the build])],
3492 [case x"$withval" in
3495 with_build_time_tools=
3496 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3499 [with_build_time_tools=])
3501 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3502 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3503 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3504 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3505 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3507 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3508 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3509 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3510 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3511 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3512 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3513 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3514 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3515 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3516 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3517 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3518 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3519 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3521 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3523 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3524 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3525 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3526 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3527 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3528 [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],
3530 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3531 [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],
3533 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3534 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3535 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3536 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3537 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3538 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3539 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3540 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3541 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3542 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3543 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3544 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3545 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3546 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3547 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3548 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3550 AC_SUBST(FLAGS_FOR_TARGET)
3551 AC_SUBST(RAW_CXX_FOR_TARGET)
3553 # Certain tools may need extra flags.
3554 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3555 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3556 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3558 # When building target libraries, except in a Canadian cross, we use
3559 # the same toolchain as the compiler we just built.
3560 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3561 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3562 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3563 if test $host = $build; then
3564 case " $configdirs " in
3566 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3567 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3568 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3573 AC_SUBST(COMPILER_AS_FOR_TARGET)
3574 AC_SUBST(COMPILER_LD_FOR_TARGET)
3575 AC_SUBST(COMPILER_NM_FOR_TARGET)
3577 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3578 AC_ARG_ENABLE(maintainer-mode,
3579 [AS_HELP_STRING([--enable-maintainer-mode],
3580 [enable make rules and dependencies not useful
3581 (and sometimes confusing) to the casual installer])],
3582 USE_MAINTAINER_MODE=$enableval,
3583 USE_MAINTAINER_MODE=no)
3584 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3585 AC_SUBST(MAINTAINER_MODE_TRUE)
3586 AC_SUBST(MAINTAINER_MODE_FALSE)
3587 if test "$USE_MAINTAINER_MODE" = yes; then
3588 MAINTAINER_MODE_TRUE=
3589 MAINTAINER_MODE_FALSE='#'
3591 MAINTAINER_MODE_TRUE='#'
3592 MAINTAINER_MODE_FALSE=
3594 MAINT=$MAINTAINER_MODE_TRUE
3597 # ---------------------
3598 # GCC bootstrap support
3599 # ---------------------
3601 # Stage specific cflags for build.
3606 yes) stage1_cflags="-g -Wa,-J" ;;
3607 *) stage1_cflags="-g -J" ;;
3611 AC_SUBST(stage1_cflags)
3613 # Enable --enable-checking in stage1 of the compiler.
3614 AC_ARG_ENABLE(stage1-checking,
3615 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3616 [choose additional checking for stage1 of the compiler])],
3617 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3618 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3619 # For --disable-checking or implicit --enable-checking=release, avoid
3620 # setting --enable-checking=gc in the default stage1 checking for LTO
3621 # bootstraps. See PR62077.
3622 case $BUILD_CONFIG in
3624 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3626 stage1_checking=--enable-checking=yes,types;;
3628 if test "x$enable_checking" = x && \
3629 test -d ${srcdir}/gcc && \
3630 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3631 stage1_checking=--enable-checking=yes,types,extra
3634 stage1_checking=--enable-checking=$enable_checking,types
3636 AC_SUBST(stage1_checking)
3638 # Enable -Werror in bootstrap stage2 and later.
3639 AC_ARG_ENABLE(werror,
3640 [AS_HELP_STRING([--enable-werror],
3641 [enable -Werror in bootstrap stage2 and later])],
3643 case ${enable_werror} in
3644 yes) stage2_werror_flag="--enable-werror-always" ;;
3645 *) stage2_werror_flag="" ;;
3649 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3650 case $BUILD_CONFIG in
3652 stage2_werror_flag="--enable-werror-always" ;;
3654 stage2_werror_flag="--enable-werror-always" ;;
3659 AC_SUBST(stage2_werror_flag)
3661 # Specify what files to not compare during bootstrap.
3663 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3665 hppa*64*-*-hpux*) ;;
3666 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3667 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3669 AC_SUBST(compare_exclusions)
3671 AC_CONFIG_FILES([Makefile],
3672 [sed "$extrasub_build" Makefile |
3673 sed "$extrasub_host" |
3674 sed "$extrasub_target" > mf$$
3675 mv -f mf$$ Makefile],
3676 [extrasub_build="$extrasub_build"
3677 extrasub_host="$extrasub_host"
3678 extrasub_target="$extrasub_target"])