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 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
32 m4_include([config/pkg.m4])
34 AC_INIT(move-if-change)
36 AC_DISABLE_OPTION_CHECKING
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
78 program_transform_name=s,y,y,
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
104 if test "${pwd}" = "${srcpwd}" ; then
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
129 build_libs="build-libiberty build-libcpp"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
146 # these libraries are built for the target environment, and are built after
147 # the host libraries and the host tools (which may be a cross compiler)
148 # Note that libiberty is not a target library.
149 target_libraries="target-libgcc \
150 target-libbacktrace \
155 target-liboffloadmic \
158 target-libstdc++-v3 \
159 target-libsanitizer \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list.
176 target_tools="target-rda"
178 ################################################################################
180 ## All tools belong in one of the four categories, and are assigned above
181 ## We assign ${configdirs} this way to remove all embedded newlines. This
182 ## is important because configure will choke if they ever get through.
183 ## ${configdirs} is directories we build using the host tools.
184 ## ${target_configdirs} is directories we build using the target tools.
185 configdirs=`echo ${host_libs} ${host_tools}`
186 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 build_configdirs=`echo ${build_libs} ${build_tools}`
189 m4_divert_text([PARSE_ARGS],
192 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194 m4_popdef([AS_MESSAGE_LOG_FD])dnl
197 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
200 ################################################################################
202 srcname="gnu development package"
204 # This gets set non-empty for some net releases of packages.
207 # Define is_cross_compiler to save on calls to 'test'.
209 if test x"${host}" = x"${target}" ; then
212 is_cross_compiler=yes
215 # Find the build and target subdir names.
217 # Be sure to cover against remnants of an in-tree build.
218 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220 Use a pristine source tree when building in a separate tree])
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld gold"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
243 AC_ARG_WITH(system-zlib,
244 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
245 # Make sure we don't let ZLIB be added if we didn't want it.
246 if test x$with_system_zlib = xyes ; then
248 noconfigdirs="$noconfigdirs zlib"
251 # some tools are so dependent upon X11 that if we're not building with X,
252 # it's not even worth trying to configure, much less build, that tool.
255 yes | "") ;; # the default value for this tree is that X11 is available
257 skipdirs="${skipdirs} tk itcl libgui"
258 # We won't be able to build gdbtk without X.
261 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264 # Some are only suitable for cross toolchains.
265 # Remove these if host=target.
266 cross_only="target-libgloss target-newlib target-opcodes"
268 case $is_cross_compiler in
269 no) skipdirs="${skipdirs} ${cross_only}" ;;
272 # If both --with-headers and --with-libs are specified, default to
274 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
275 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
276 if test x"${with_newlib}" = x ; then
281 # Recognize --with-newlib/--without-newlib.
282 case ${with_newlib} in
283 no) skipdirs="${skipdirs} target-newlib" ;;
284 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287 AC_ARG_ENABLE(as-accelerator-for,
288 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
289 [build as offload target compiler.
290 Specify offload host triple by ARG])])
292 AC_ARG_ENABLE(offload-targets,
293 [AS_HELP_STRING([--enable-offload-targets=LIST],
294 [enable offloading to devices from comma-separated LIST of
295 TARGET[=DIR]. Use optional path to find offload target compiler
298 if test x"$enable_offload_targets" = x; then
299 AC_MSG_ERROR([no offload targets specified])
301 ], [enable_offload_targets=])
303 # Handle --enable-gold, --enable-ld.
304 # --disable-gold [--enable-ld]
305 # Build only ld. Default option.
306 # --enable-gold [--enable-ld]
307 # Build both gold and ld. Install gold as "ld.gold", install ld
308 # as "ld.bfd" and "ld".
309 # --enable-gold=default [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold" and "ld",
311 # install ld as "ld.bfd".
312 # --enable-gold[=default] --disable-ld
313 # Build only gold, which is then installed as both "ld.gold" and "ld".
314 # --enable-gold --enable-ld=default
315 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
317 # In other words, ld is default
318 # --enable-gold=default --enable-ld=default
323 [AS_HELP_STRING([[--enable-gold[=ARG]]],
324 [build gold @<:@ARG={default,yes,no}@:>@])],
325 ENABLE_GOLD=$enableval,
327 case "${ENABLE_GOLD}" in
329 # Check for ELF target.
332 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
333 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
334 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
335 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
337 *-*-linux*aout* | *-*-linux*oldld*)
345 if test "$is_elf" = "yes"; then
346 # Check for target supported by gold.
348 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
349 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
350 configdirs="$configdirs gold"
351 if test x${ENABLE_GOLD} = xdefault; then
362 AC_MSG_ERROR([invalid --enable-gold argument])
367 [AS_HELP_STRING([[--enable-ld[=ARG]]],
368 [build ld @<:@ARG={default,yes,no}@:>@])],
369 ENABLE_LD=$enableval,
372 case "${ENABLE_LD}" in
374 if test x${default_ld} != x; then
375 AC_MSG_ERROR([either gold or ld can be the default ld])
381 if test x${ENABLE_GOLD} != xyes; then
382 AC_MSG_WARN([neither ld nor gold are enabled])
384 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
387 AC_MSG_ERROR([invalid --enable-ld argument])
392 # Decide the default method for compressing debug sections.
393 # Provide a configure time option to override our default.
394 AC_ARG_ENABLE(compressed_debug_sections,
395 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
396 [Enable compressed debug sections for gas, gold or ld by
399 if test x"$enable_compressed_debug_sections" = xyes; then
400 AC_MSG_ERROR([no program with compressed debug sections specified])
402 ], [enable_compressed_debug_sections=])
404 # Configure extra directories which are host specific
408 configdirs="$configdirs libtermcap" ;;
411 # A target can indicate whether a language isn't supported for some reason.
412 # Only spaces may be used in this macro; not newlines or tabs.
413 unsupported_languages=
415 # Remove more programs from consideration, based on the host or
416 # target this usually means that a port of the program doesn't
420 i[[3456789]]86-*-msdosdjgpp*)
421 noconfigdirs="$noconfigdirs tcl tk itcl"
426 AC_ARG_ENABLE(libquadmath,
427 AS_HELP_STRING([--disable-libquadmath],
428 [do not build libquadmath directory]),
429 ENABLE_LIBQUADMATH=$enableval,
430 ENABLE_LIBQUADMATH=yes)
431 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
432 noconfigdirs="$noconfigdirs target-libquadmath"
436 AC_ARG_ENABLE(libquadmath-support,
437 AS_HELP_STRING([--disable-libquadmath-support],
438 [disable libquadmath support for Fortran]),
439 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
440 ENABLE_LIBQUADMATH_SUPPORT=yes)
441 enable_libquadmath_support=
442 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
443 enable_libquadmath_support=no
447 AC_ARG_ENABLE(libada,
448 [AS_HELP_STRING([--enable-libada], [build libada directory])],
449 ENABLE_LIBADA=$enableval,
451 if test "${ENABLE_LIBADA}" != "yes" ; then
452 noconfigdirs="$noconfigdirs gnattools"
455 AC_ARG_ENABLE(libssp,
456 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
457 ENABLE_LIBSSP=$enableval,
460 AC_ARG_ENABLE(libstdcxx,
461 AS_HELP_STRING([--disable-libstdcxx],
462 [do not build libstdc++-v3 directory]),
463 ENABLE_LIBSTDCXX=$enableval,
464 ENABLE_LIBSTDCXX=default)
465 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
466 noconfigdirs="$noconfigdirs target-libstdc++-v3"
469 # If this is accelerator compiler and its target is intelmic we enable
470 # target liboffloadmic by default. If this is compiler with offloading
471 # for intelmic we enable host liboffloadmic by default. Otherwise
472 # liboffloadmic is disabled by default.
473 AC_ARG_ENABLE([liboffloadmic],
474 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
475 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
476 [case "$enableval" in
478 enable_liboffloadmic=$enableval ;;
480 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
482 [if test x"$enable_as_accelerator_for" != x; then
484 *-intelmic-* | *-intelmicemul-*)
485 enable_liboffloadmic=target
486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
489 enable_liboffloadmic=no
493 case "${enable_offload_targets}" in
494 *-intelmic-* | *-intelmicemul-*)
495 enable_liboffloadmic=host
496 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
499 enable_liboffloadmic=no
503 AC_SUBST(extra_liboffloadmic_configure_flags)
505 # Enable libgomp by default on hosted POSIX systems, and a few others.
506 if test x$enable_libgomp = x ; then
508 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
510 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
512 *-*-solaris2* | *-*-hpux11*)
514 *-*-darwin* | *-*-aix*)
519 noconfigdirs="$noconfigdirs target-libgomp"
524 # Disable libatomic on unsupported systems.
525 if test -d ${srcdir}/libatomic; then
526 if test x$enable_libatomic = x; then
527 AC_MSG_CHECKING([for libatomic support])
528 if (srcdir=${srcdir}/libatomic; \
529 . ${srcdir}/configure.tgt; \
530 test -n "$UNSUPPORTED")
533 noconfigdirs="$noconfigdirs target-libatomic"
540 # Disable libcilkrts on unsupported systems.
541 if test -d ${srcdir}/libcilkrts; then
542 if test x$enable_libcilkrts = x; then
543 AC_MSG_CHECKING([for libcilkrts support])
544 if (srcdir=${srcdir}/libcilkrts; \
545 . ${srcdir}/configure.tgt; \
546 test -n "$UNSUPPORTED")
549 noconfigdirs="$noconfigdirs target-libcilkrts"
556 # Disable liboffloadmic on unsupported systems.
557 if test -d ${srcdir}/liboffloadmic; then
558 if test x$enable_liboffloadmic != xno; then
559 AC_MSG_CHECKING([for liboffloadmic support])
560 if (srcdir=${srcdir}/liboffloadmic; \
561 . ${srcdir}/configure.tgt; \
562 test -n "$UNSUPPORTED")
565 noconfigdirs="$noconfigdirs target-liboffloadmic"
572 # Disable libitm on unsupported systems.
573 if test -d ${srcdir}/libitm; then
574 if test x$enable_libitm = x; then
575 AC_MSG_CHECKING([for libitm support])
576 if (srcdir=${srcdir}/libitm; \
577 . ${srcdir}/configure.tgt; \
578 test -n "$UNSUPPORTED")
581 noconfigdirs="$noconfigdirs target-libitm"
588 # Disable libsanitizer on unsupported systems.
589 if test -d ${srcdir}/libsanitizer; then
590 if test x$enable_libsanitizer = x; then
591 AC_MSG_CHECKING([for libsanitizer support])
592 if (srcdir=${srcdir}/libsanitizer; \
593 . ${srcdir}/configure.tgt; \
594 test -n "$UNSUPPORTED")
597 noconfigdirs="$noconfigdirs target-libsanitizer"
604 # Disable libvtv on unsupported systems.
605 if test -d ${srcdir}/libvtv; then
606 if test x$enable_libvtv = x; then
607 AC_MSG_CHECKING([for libvtv support])
608 if (srcdir=${srcdir}/libvtv; \
609 . ${srcdir}/configure.tgt; \
610 test "$VTV_SUPPORTED" != "yes")
613 noconfigdirs="$noconfigdirs target-libvtv"
621 # Enable libmpx on supported systems by request.
622 if test -d ${srcdir}/libmpx; then
623 if test x$enable_libmpx = x; then
624 AC_MSG_CHECKING([for libmpx support])
625 if (srcdir=${srcdir}/libmpx; \
626 . ${srcdir}/configure.tgt; \
627 test "$LIBMPX_SUPPORTED" != "yes")
630 noconfigdirs="$noconfigdirs target-libmpx"
639 # Disable libquadmath for some systems.
642 noconfigdirs="$noconfigdirs target-libquadmath"
644 # libquadmath is unused on AIX and libquadmath build process use of
645 # LD_LIBRARY_PATH can break AIX bootstrap.
646 powerpc-*-aix* | rs6000-*-aix*)
647 noconfigdirs="$noconfigdirs target-libquadmath"
651 # Disable libssp for some systems.
654 # No hosted I/O support.
655 noconfigdirs="$noconfigdirs target-libssp"
657 powerpc-*-aix* | rs6000-*-aix*)
658 noconfigdirs="$noconfigdirs target-libssp"
661 # libssp uses a misaligned load to trigger a fault, but the RL78
662 # doesn't fault for those - instead, it gives a build-time error
663 # for explicit misaligned loads.
664 noconfigdirs="$noconfigdirs target-libssp"
667 # No hosted I/O support.
668 noconfigdirs="$noconfigdirs target-libssp"
672 # Disable libstdc++-v3 for some systems.
673 # Allow user to override this if they pass --enable-libstdc++-v3
674 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
677 # VxWorks uses the Dinkumware C++ library.
678 noconfigdirs="$noconfigdirs target-libstdc++-v3"
681 # the C++ libraries don't build on top of CE's C libraries
682 noconfigdirs="$noconfigdirs target-libstdc++-v3"
685 noconfigdirs="$noconfigdirs target-libstdc++-v3"
688 noconfigdirs="$noconfigdirs target-libstdc++-v3"
693 # Disable Fortran for some systems.
696 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
697 unsupported_languages="$unsupported_languages fortran"
701 # Disable libffi for some systems.
705 i[[3456789]]86-*-darwin*)
707 x86_64-*-darwin[[912]]*)
710 noconfigdirs="$noconfigdirs target-libffi"
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"
777 # copied from rs6000-*-* entry
778 noconfigdirs="$noconfigdirs target-libffi"
781 noconfigdirs="$noconfigdirs target-libffi"
784 noconfigdirs="$noconfigdirs target-libffi"
787 noconfigdirs="$noconfigdirs target-libffi"
791 # Disable the go frontend on systems where it is known to not work. Please keep
792 # this in sync with contrib/config-list.mk.
794 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
795 unsupported_languages="$unsupported_languages go"
799 # Disable libgo for some systems where it is known to not work.
800 # For testing, you can easily override this with --enable-libgo.
801 if test x$enable_libgo = x; then
805 noconfigdirs="$noconfigdirs target-libgo"
807 *-*-cygwin* | *-*-mingw*)
808 noconfigdirs="$noconfigdirs target-libgo"
811 noconfigdirs="$noconfigdirs target-libgo"
816 # Default libgloss CPU subdirectory.
817 libgloss_dir="$target_cpu"
820 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
829 cris-*-* | crisv32-*-*)
838 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
855 # Disable newlib and libgloss for various target OSes.
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
860 i[[3456789]]86-*-linux*)
861 # This section makes it possible to build newlib natively on linux.
862 # If we are using a cross compiler then don't configure newlib.
863 if test x${is_cross_compiler} != xno ; then
864 noconfigdirs="$noconfigdirs target-newlib"
866 noconfigdirs="$noconfigdirs target-libgloss"
867 # If we are not using a cross compiler, do configure newlib.
868 # Note however, that newlib will only be configured in this situation
869 # if the --with-newlib option has been given, because otherwise
870 # 'target-newlib' will appear in skipdirs.
872 i[[3456789]]86-*-rdos*)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 sh*-*-pe|mips*-*-pe|arm-wince-pe)
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
896 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
903 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
906 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
912 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
915 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
926 noconfigdirs="$noconfigdirs ld gas gdb gprof"
927 noconfigdirs="$noconfigdirs sim target-rda"
930 noconfigdirs="$noconfigdirs ld gas gdb gprof"
931 noconfigdirs="$noconfigdirs sim target-rda"
934 noconfigdirs="$noconfigdirs ld gas gdb gprof"
935 noconfigdirs="$noconfigdirs sim target-rda"
937 i[[3456789]]86-*-darwin*)
938 noconfigdirs="$noconfigdirs ld gprof"
939 noconfigdirs="$noconfigdirs sim target-rda"
941 x86_64-*-darwin[[912]]*)
942 noconfigdirs="$noconfigdirs ld gas gprof"
943 noconfigdirs="$noconfigdirs sim target-rda"
946 noconfigdirs="$noconfigdirs ld gas gdb gprof"
947 noconfigdirs="$noconfigdirs sim target-rda"
952 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
953 && test -f /usr/local/include/gmp.h; then
958 # Remove unsupported stuff on all kaOS configurations.
959 noconfigdirs="$noconfigdirs target-libgloss"
966 noconfigdirs="$noconfigdirs target-libgloss"
969 noconfigdirs="$noconfigdirs target-libgloss"
970 # this is not caught below because this stanza matches earlier
972 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
975 # The tpf target doesn't support gdb yet.
977 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
980 noconfigdirs="$noconfigdirs target-rda"
985 # ld works, but does not support shared libraries.
986 # gas doesn't generate exception information.
987 noconfigdirs="$noconfigdirs gas ld"
990 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
993 # newlib is not 64 bit ready
994 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
997 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1000 noconfigdirs="$noconfigdirs sim"
1003 noconfigdirs="$noconfigdirs target-libgloss"
1006 noconfigdirs="$noconfigdirs ld target-libgloss"
1009 if test x${with_avrlibc} != xno; then
1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1013 c4x-*-* | tic4x-*-*)
1014 noconfigdirs="$noconfigdirs target-libgloss"
1017 noconfigdirs="$noconfigdirs target-libgloss gdb"
1020 noconfigdirs="$noconfigdirs target-libgloss"
1023 noconfigdirs="$noconfigdirs gdb"
1026 noconfigdirs="$noconfigdirs gdb"
1029 noconfigdirs="$noconfigdirs target-rda gprof"
1032 noconfigdirs="$noconfigdirs"
1035 noconfigdirs="$noconfigdirs target-libgloss"
1038 noconfigdirs="$noconfigdirs target-libgloss"
1040 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1043 noconfigdirs="$noconfigdirs gdb"
1046 noconfigdirs="$noconfigdirs gdb ld"
1054 hppa*-*-openbsd* | \
1060 noconfigdirs="$noconfigdirs ld"
1063 noconfigdirs="$noconfigdirs gdb"
1066 # No gdb support yet.
1067 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1070 # No ld support yet.
1071 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1074 # No ld support yet.
1075 noconfigdirs="$noconfigdirs libgui itcl ld"
1077 i[[3456789]]86-w64-mingw*)
1079 i[[3456789]]86-*-mingw*)
1080 target_configdirs="$target_configdirs target-winsup"
1083 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1084 noconfigdirs="$noconfigdirs target-libgloss"
1085 # always build newlib if winsup directory is present.
1086 if test -d "$srcdir/winsup/cygwin"; then
1087 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1088 elif test -d "$srcdir/newlib"; then
1089 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1092 i[[3456789]]86-*-pe)
1093 noconfigdirs="$noconfigdirs target-libgloss"
1095 i[[3456789]]86-*-sco3.2v5*)
1096 # The linker does not yet know about weak symbols in COFF,
1097 # and is not configured to handle mixed ELF and COFF.
1098 noconfigdirs="$noconfigdirs ld target-libgloss"
1100 i[[3456789]]86-*-sco*)
1101 noconfigdirs="$noconfigdirs gprof target-libgloss"
1103 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1104 noconfigdirs="$noconfigdirs target-libgloss"
1106 i[[3456789]]86-*-sysv4*)
1107 noconfigdirs="$noconfigdirs target-libgloss"
1109 i[[3456789]]86-*-beos*)
1110 noconfigdirs="$noconfigdirs gdb"
1112 i[[3456789]]86-*-rdos*)
1113 noconfigdirs="$noconfigdirs gdb"
1116 noconfigdirs="$noconfigdirs gdb"
1119 noconfigdirs="$noconfigdirs sim"
1122 # copied from rs6000-*-* entry
1123 noconfigdirs="$noconfigdirs gprof"
1125 powerpc*-*-winnt* | powerpc*-*-pe*)
1126 target_configdirs="$target_configdirs target-winsup"
1127 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1128 # always build newlib.
1129 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1131 # This is temporary until we can link against shared libraries
1132 powerpcle-*-solaris*)
1133 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1136 noconfigdirs="$noconfigdirs gdb"
1139 noconfigdirs="$noconfigdirs gprof"
1142 noconfigdirs="$noconfigdirs gprof"
1145 noconfigdirs="$noconfigdirs gprof"
1148 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1151 noconfigdirs="$noconfigdirs gprof"
1153 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1154 if test x$with_newlib = xyes; then
1155 noconfigdirs="$noconfigdirs gprof"
1159 noconfigdirs="$noconfigdirs gprof target-libgloss"
1162 noconfigdirs="$noconfigdirs gprof target-libgloss"
1165 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1169 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1170 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1171 noconfigdirs="$noconfigdirs ld gas gprof"
1174 noconfigdirs="$noconfigdirs gprof"
1177 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1180 noconfigdirs="$noconfigdirs gdb"
1187 noconfigdirs="$noconfigdirs target-libgloss" ;;
1191 if test x${is_cross_compiler} = xno ; then
1196 noconfigdirs="$noconfigdirs sim"
1198 tilepro*-*-* | tilegx*-*-*)
1199 noconfigdirs="$noconfigdirs sim"
1202 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1205 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1209 # If we aren't building newlib, then don't build libgloss, since libgloss
1210 # depends upon some newlib header files.
1211 case "${noconfigdirs}" in
1212 *target-libgloss*) ;;
1213 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1216 # Work in distributions that contain no compiler tools, like Autoconf.
1217 host_makefile_frag=/dev/null
1218 if test -d ${srcdir}/config ; then
1220 i[[3456789]]86-*-msdosdjgpp*)
1221 host_makefile_frag="config/mh-djgpp"
1224 ACX_CHECK_CYGWIN_CAT_WORKS
1225 host_makefile_frag="config/mh-cygwin"
1228 host_makefile_frag="config/mh-mingw"
1231 host_makefile_frag="config/mh-alpha-linux"
1234 host_makefile_frag="config/mh-pa-hpux10"
1237 host_makefile_frag="config/mh-pa"
1240 host_makefile_frag="config/mh-pa"
1243 host_makefile_frag="config/mh-darwin"
1246 host_makefile_frag="config/mh-ppc-aix"
1249 host_makefile_frag="config/mh-ppc-aix"
1254 if test "${build}" != "${host}" ; then
1255 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1256 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1257 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1258 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1259 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1260 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1261 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1262 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1263 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1264 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1265 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1266 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1268 AR_FOR_BUILD="\$(AR)"
1269 AS_FOR_BUILD="\$(AS)"
1270 CC_FOR_BUILD="\$(CC)"
1271 CXX_FOR_BUILD="\$(CXX)"
1272 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1273 GOC_FOR_BUILD="\$(GOC)"
1274 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1275 LD_FOR_BUILD="\$(LD)"
1276 NM_FOR_BUILD="\$(NM)"
1277 RANLIB_FOR_BUILD="\$(RANLIB)"
1278 WINDRES_FOR_BUILD="\$(WINDRES)"
1279 WINDMC_FOR_BUILD="\$(WINDMC)"
1285 # We must set the default linker to the linker used by gcc for the correct
1286 # operation of libtool. If LD is not defined and we are using gcc, try to
1287 # set the LD default to the ld used by gcc.
1288 if test -z "$LD"; then
1289 if test "$GCC" = yes; then
1292 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1294 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1296 case $gcc_prog_ld in
1297 # Accept absolute paths.
1298 [[\\/]* | [A-Za-z]:[\\/]*)]
1299 LD="$gcc_prog_ld" ;;
1304 # Check whether -static-libstdc++ -static-libgcc is supported.
1306 if test "$GCC" = yes; then
1307 saved_LDFLAGS="$LDFLAGS"
1309 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1310 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1313 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1314 #error -static-libstdc++ not implemented
1317 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1318 [AC_MSG_RESULT([no])])
1321 LDFLAGS="$saved_LDFLAGS"
1325 ACX_PROG_CMP_IGNORE_INITIAL
1327 AC_ARG_ENABLE([bootstrap],
1328 [AS_HELP_STRING([--enable-bootstrap],
1329 [enable bootstrapping @<:@yes if native build@:>@])],,
1330 enable_bootstrap=default)
1332 # Issue errors and warnings for invalid/strange bootstrap combinations.
1333 if test -r $srcdir/gcc/configure; then
1339 case "$have_compiler:$host:$target:$enable_bootstrap" in
1342 # Default behavior. Enable bootstrap if we have a compiler
1343 # and we are in a native configuration.
1344 yes:$build:$build:default)
1345 enable_bootstrap=yes ;;
1348 enable_bootstrap=no ;;
1350 # We have a compiler and we are in a native configuration, bootstrap is ok
1351 yes:$build:$build:yes)
1354 # Other configurations, but we have a compiler. Assume the user knows
1357 AC_MSG_WARN([trying to bootstrap a cross compiler])
1360 # No compiler: if they passed --enable-bootstrap explicitly, fail
1362 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1364 # Fail if wrong command line
1366 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1370 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1371 # C++98 compiler can still start the bootstrap.
1372 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1373 CXX="$CXX -std=gnu++98"
1376 # Used for setting $lt_cv_objdir
1379 # Check for GMP, MPFR and MPC
1380 gmplibs="-lmpc -lmpfr -lgmp"
1384 # Specify a location for mpc
1385 # check for this first so it ends up on the link line before mpfr.
1387 [AS_HELP_STRING([--with-mpc=PATH],
1388 [specify prefix directory for installed MPC package.
1389 Equivalent to --with-mpc-include=PATH/include
1390 plus --with-mpc-lib=PATH/lib])])
1391 AC_ARG_WITH(mpc-include,
1392 [AS_HELP_STRING([--with-mpc-include=PATH],
1393 [specify directory for installed MPC include files])])
1394 AC_ARG_WITH(mpc-lib,
1395 [AS_HELP_STRING([--with-mpc-lib=PATH],
1396 [specify directory for the installed MPC library])])
1398 if test "x$with_mpc" != x; then
1399 gmplibs="-L$with_mpc/lib $gmplibs"
1400 gmpinc="-I$with_mpc/include $gmpinc"
1402 if test "x$with_mpc_include" != x; then
1403 gmpinc="-I$with_mpc_include $gmpinc"
1405 if test "x$with_mpc_lib" != x; then
1406 gmplibs="-L$with_mpc_lib $gmplibs"
1408 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1409 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1410 gmpinc='-I$$s/mpc/src '"$gmpinc"
1411 # Do not test the mpc version. Assume that it is sufficient, since
1412 # it is in the source tree, and the library has not been built yet
1413 # but it would be included on the link line in the version check below
1414 # hence making the test fail.
1418 # Specify a location for mpfr
1419 # check for this first so it ends up on the link line before gmp.
1420 AC_ARG_WITH(mpfr-dir,
1421 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1422 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1423 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1426 [AS_HELP_STRING([--with-mpfr=PATH],
1427 [specify prefix directory for installed MPFR package.
1428 Equivalent to --with-mpfr-include=PATH/include
1429 plus --with-mpfr-lib=PATH/lib])])
1430 AC_ARG_WITH(mpfr-include,
1431 [AS_HELP_STRING([--with-mpfr-include=PATH],
1432 [specify directory for installed MPFR include files])])
1433 AC_ARG_WITH(mpfr-lib,
1434 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1435 [specify directory for the installed MPFR library])])
1437 if test "x$with_mpfr" != x; then
1438 gmplibs="-L$with_mpfr/lib $gmplibs"
1439 gmpinc="-I$with_mpfr/include $gmpinc"
1441 if test "x$with_mpfr_include" != x; then
1442 gmpinc="-I$with_mpfr_include $gmpinc"
1444 if test "x$with_mpfr_lib" != x; then
1445 gmplibs="-L$with_mpfr_lib $gmplibs"
1447 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1448 # MPFR v3.1.0 moved the sources into a src sub-directory.
1449 if ! test -d ${srcdir}/mpfr/src; then
1451 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1453 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1454 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1455 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1456 # Do not test the mpfr version. Assume that it is sufficient, since
1457 # it is in the source tree, and the library has not been built yet
1458 # but it would be included on the link line in the version check below
1459 # hence making the test fail.
1463 # Specify a location for gmp
1464 AC_ARG_WITH(gmp-dir,
1465 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1466 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1467 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1470 [AS_HELP_STRING([--with-gmp=PATH],
1471 [specify prefix directory for the installed GMP package.
1472 Equivalent to --with-gmp-include=PATH/include
1473 plus --with-gmp-lib=PATH/lib])])
1474 AC_ARG_WITH(gmp-include,
1475 [AS_HELP_STRING([--with-gmp-include=PATH],
1476 [specify directory for installed GMP include files])])
1477 AC_ARG_WITH(gmp-lib,
1478 [AS_HELP_STRING([--with-gmp-lib=PATH],
1479 [specify directory for the installed GMP library])])
1482 if test "x$with_gmp" != x; then
1483 gmplibs="-L$with_gmp/lib $gmplibs"
1484 gmpinc="-I$with_gmp/include $gmpinc"
1486 if test "x$with_gmp_include" != x; then
1487 gmpinc="-I$with_gmp_include $gmpinc"
1489 if test "x$with_gmp_lib" != x; then
1490 gmplibs="-L$with_gmp_lib $gmplibs"
1492 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1493 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1494 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1495 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1496 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1497 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1498 # Do not test the gmp version. Assume that it is sufficient, since
1499 # it is in the source tree, and the library has not been built yet
1500 # but it would be included on the link line in the version check below
1501 # hence making the test fail.
1505 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1507 saved_CFLAGS="$CFLAGS"
1508 CFLAGS="$CFLAGS $gmpinc"
1509 # Check for the recommended and required versions of GMP.
1510 AC_MSG_CHECKING([for the correct version of gmp.h])
1511 AC_TRY_COMPILE([#include "gmp.h"],[
1512 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1513 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1514 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1517 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1518 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1519 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1520 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1523 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1524 [AC_MSG_RESULT([no]); have_gmp=no])
1526 # If we have GMP, check the MPFR version.
1527 if test x"$have_gmp" = xyes; then
1528 # Check for the recommended and required versions of MPFR.
1529 AC_MSG_CHECKING([for the correct version of mpfr.h])
1530 AC_TRY_COMPILE([#include <gmp.h>
1531 #include <mpfr.h>],[
1532 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1535 ], [AC_TRY_COMPILE([#include <gmp.h>
1536 #include <mpfr.h>],[
1537 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1540 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1541 [AC_MSG_RESULT([no]); have_gmp=no])
1544 # Check for the MPC header version.
1545 if test x"$have_gmp" = xyes ; then
1546 # Check for the recommended and required versions of MPC.
1547 AC_MSG_CHECKING([for the correct version of mpc.h])
1548 AC_TRY_COMPILE([#include <mpc.h>],[
1549 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1552 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1553 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1556 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1557 [AC_MSG_RESULT([no]); have_gmp=no])
1560 # Now check the MPFR library.
1561 if test x"$have_gmp" = xyes; then
1563 LIBS="$LIBS $gmplibs"
1564 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1565 AC_TRY_LINK([#include <mpc.h>],[
1572 mpfr_atan2 (n, n, x, GMP_RNDN);
1573 mpfr_erfc (n, x, GMP_RNDN);
1574 mpfr_subnormalize (x, t, GMP_RNDN);
1578 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1579 mpc_cosh (c, c, MPC_RNDNN);
1580 mpc_pow (c, c, c, MPC_RNDNN);
1581 mpc_acosh (c, c, MPC_RNDNN);
1583 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1587 CFLAGS="$saved_CFLAGS"
1589 # The library versions listed in the error message below should match
1590 # the HARD-minimums enforced above.
1591 if test x$have_gmp != xyes; then
1592 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1593 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1594 their locations. Source code for these libraries can be found at
1595 their respective hosting sites as well as at
1596 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1597 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1598 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1599 make sure that you have installed both the libraries and the header
1600 files. They may be located in separate packages.])
1604 # Flags needed for both GMP, MPFR and/or MPC.
1607 AC_SUBST(extra_mpfr_configure_flags)
1608 AC_SUBST(extra_mpc_gmp_configure_flags)
1609 AC_SUBST(extra_mpc_mpfr_configure_flags)
1610 AC_SUBST(extra_isl_gmp_configure_flags)
1612 # Libraries to use for stage1 or when not bootstrapping.
1613 AC_ARG_WITH(stage1-libs,
1614 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1615 [if test "$withval" = "no" -o "$withval" = "yes"; then
1618 stage1_libs=$withval
1621 AC_SUBST(stage1_libs)
1623 # Linker flags to use for stage1 or when not bootstrapping.
1624 AC_ARG_WITH(stage1-ldflags,
1625 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1626 [if test "$withval" = "no" -o "$withval" = "yes"; then
1629 stage1_ldflags=$withval
1632 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1633 # if supported. But if the user explicitly specified the libraries to use,
1634 # trust that they are doing what they want.
1635 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1636 stage1_ldflags="-static-libstdc++ -static-libgcc"
1638 AC_SUBST(stage1_ldflags)
1640 # Libraries to use for stage2 and later builds.
1641 AC_ARG_WITH(boot-libs,
1642 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1643 [if test "$withval" = "no" -o "$withval" = "yes"; then
1646 poststage1_libs=$withval
1649 AC_SUBST(poststage1_libs)
1651 # Linker flags to use for stage2 and later builds.
1652 AC_ARG_WITH(boot-ldflags,
1653 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1654 [linker flags for stage2 and later])],
1655 [if test "$withval" = "no" -o "$withval" = "yes"; then
1658 poststage1_ldflags=$withval
1660 [poststage1_ldflags=
1661 # In stages 2 and 3, default to linking libstdc++ and libgcc
1662 # statically. But if the user explicitly specified the libraries to
1663 # use, trust that they are doing what they want.
1664 if test "$poststage1_libs" = ""; then
1665 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1667 AC_SUBST(poststage1_ldflags)
1669 # GCC GRAPHITE dependency isl.
1670 # Basic setup is inlined here, actual checks are in config/isl.m4
1675 [Specify prefix directory for the installed isl package.
1676 Equivalent to --with-isl-include=PATH/include
1677 plus --with-isl-lib=PATH/lib])])
1679 # Treat --without-isl as a request to disable
1680 # GRAPHITE support and skip all following checks.
1681 if test "x$with_isl" != "xno"; then
1683 dnl Provide configure switches and initialize islinc & isllibs
1684 dnl with user input.
1686 dnl The versions of isl that work for Graphite
1688 dnl Only execute fail-action, if isl has been requested.
1690 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1693 # If the isl check failed, disable builds of in-tree variant of isl
1694 if test "x$with_isl" = xno ||
1695 test "x$gcc_cv_isl" = xno; then
1696 noconfigdirs="$noconfigdirs isl"
1703 # Check for LTO support.
1705 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1706 enable_lto=$enableval,
1707 enable_lto=yes; default_enable_lto=yes)
1709 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1710 build_lto_plugin=yes
1711 ],[if test x"$default_enable_lto" = x"yes" ; then
1713 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
1714 # On other non-ELF platforms, LTO has yet to be validated.
1718 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1719 # It would also be nice to check the binutils support, but we don't
1720 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1721 # warn during gcc/ subconfigure; unless you're bootstrapping with
1722 # -flto it won't be needed until after installation anyway.
1724 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1725 *) if test x"$enable_lto" = x"yes"; then
1726 AC_MSG_ERROR([LTO support is not enabled for this target.])
1731 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1732 # Build it unless LTO was explicitly disabled.
1734 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1739 AC_ARG_ENABLE(linker-plugin-configure-flags,
1740 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1741 [additional flags for configuring linker plugins @<:@none@:>@])],
1742 extra_linker_plugin_configure_flags=$enableval,
1743 extra_linker_plugin_configure_flags=)
1744 AC_SUBST(extra_linker_plugin_configure_flags)
1745 AC_ARG_ENABLE(linker-plugin-flags,
1746 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1747 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1748 extra_linker_plugin_flags=$enableval,
1749 extra_linker_plugin_flags=)
1750 AC_SUBST(extra_linker_plugin_flags)
1753 # By default, C and C++ are the only stage 1 languages.
1754 stage1_languages=,c,
1756 # Target libraries that we bootstrap.
1757 bootstrap_target_libs=,target-libgcc,
1759 # Figure out what language subdirectories are present.
1760 # Look if the user specified --enable-languages="..."; if not, use
1761 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1763 # NB: embedded tabs in this IF block -- do not untabify
1764 if test -d ${srcdir}/gcc; then
1765 if test x"${enable_languages+set}" != xset; then
1766 if test x"${LANGUAGES+set}" = xset; then
1767 enable_languages="${LANGUAGES}"
1768 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1770 enable_languages=all
1773 if test x"${enable_languages}" = x ||
1774 test x"${enable_languages}" = xyes;
1776 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1780 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1782 # 'f95' is the old name for the 'fortran' language. We issue a warning
1783 # and make the substitution.
1784 case ,${enable_languages}, in
1786 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1787 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1791 # If bootstrapping, C++ must be enabled.
1792 case ",$enable_languages,:$enable_bootstrap" in
1795 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1796 enable_languages="${enable_languages},c++"
1798 AC_MSG_ERROR([bootstrapping requires c++ sources])
1803 # First scan to see if an enabled language requires some other language.
1804 # We assume that a given config-lang.in will list all the language
1805 # front ends it requires, even if some are required indirectly.
1806 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1807 case ${lang_frag} in
1809 # The odd quoting in the next line works around
1810 # an apparent bug in bash 1.12 on linux.
1811 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1813 # From the config-lang.in, get $language, $lang_requires, and
1814 # $lang_requires_boot_languages.
1817 lang_requires_boot_languages=
1819 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1820 case ,${enable_languages}, in
1824 echo " \`$other' language required by \`$language'; enabling" 1>&2
1825 enable_languages="${enable_languages},${other}"
1829 for other in ${lang_requires_boot_languages} ; do
1830 if test "$other" != "c"; then
1831 case ,${enable_stage1_languages}, in
1835 case ,${enable_languages}, in
1837 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1838 enable_stage1_languages="$enable_stage1_languages,${other}"
1849 new_enable_languages=,c,
1851 # If LTO is enabled, add the LTO front end.
1852 if test "$enable_lto" = "yes" ; then
1853 case ,${enable_languages}, in
1855 *) enable_languages="${enable_languages},lto" ;;
1857 if test "${build_lto_plugin}" = "yes" ; then
1858 configdirs="$configdirs lto-plugin"
1862 # If we're building an offloading compiler, add the LTO front end.
1863 if test x"$enable_as_accelerator_for" != x ; then
1864 case ,${enable_languages}, in
1866 *) enable_languages="${enable_languages},lto" ;;
1870 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1871 potential_languages=,c,
1873 enabled_target_libs=
1874 disabled_target_libs=
1876 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1877 case ${lang_frag} in
1879 # The odd quoting in the next line works around
1880 # an apparent bug in bash 1.12 on linux.
1881 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1883 # From the config-lang.in, get $language, $target_libs,
1884 # $lang_dirs, $boot_language, and $build_by_default
1890 build_by_default=yes
1892 if test x${language} = x; then
1893 echo "${lang_frag} doesn't set \$language." 1>&2
1897 if test "$language" = "c++"; then
1902 case ,${enable_languages}, in
1904 # Language was explicitly selected; include it
1905 # unless it is C, which is enabled by default.
1906 if test "$language" != "c"; then
1911 # 'all' was selected, select it if it is a default language
1912 if test "$language" != "c"; then
1913 add_this_lang=${build_by_default}
1918 # Disable languages that need other directories if these aren't available.
1919 for i in $subdir_requires; do
1920 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1921 case ,${enable_languages}, in
1923 # Specifically requested language; tell them.
1924 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1928 add_this_lang=unsupported
1933 # Disable Ada if no preexisting GNAT is available.
1934 case ,${enable_languages},:${language}:${have_gnat} in
1935 *,${language},*:ada:no)
1936 # Specifically requested language; tell them.
1937 AC_MSG_ERROR([GNAT is required to build $language])
1941 add_this_lang=unsupported
1945 # Disable a language that is unsupported by the target.
1946 case " $unsupported_languages " in
1948 add_this_lang=unsupported
1952 case $add_this_lang in
1954 # Remove language-dependent dirs.
1955 disabled_target_libs="$disabled_target_libs $target_libs"
1956 noconfigdirs="$noconfigdirs $lang_dirs"
1959 # Remove language-dependent dirs; still show language as supported.
1960 disabled_target_libs="$disabled_target_libs $target_libs"
1961 noconfigdirs="$noconfigdirs $lang_dirs"
1962 potential_languages="${potential_languages}${language},"
1965 new_enable_languages="${new_enable_languages}${language},"
1966 potential_languages="${potential_languages}${language},"
1967 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1968 enabled_target_libs="$enabled_target_libs $target_libs"
1969 case "${boot_language}:,$enable_stage1_languages," in
1970 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1971 # Add to (comma-separated) list of stage 1 languages.
1972 case ",$stage1_languages," in
1973 *,$language,* | ,yes, | ,all,) ;;
1974 *) stage1_languages="${stage1_languages}${language}," ;;
1976 # We need to bootstrap any supporting libraries.
1977 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1986 # Add target libraries which are only needed for disabled languages
1988 if test -n "$disabled_target_libs"; then
1989 for dir in $disabled_target_libs; do
1990 case " $enabled_target_libs " in
1992 *) noconfigdirs="$noconfigdirs $dir" ;;
1997 AC_ARG_ENABLE(stage1-languages,
1998 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1999 [choose additional languages to build during
2000 stage1. Mostly useful for compiler development])],
2001 [case ,${enable_stage1_languages}, in
2003 # Set it to something that will have no effect in the loop below
2004 enable_stage1_languages=c ;;
2006 enable_stage1_languages=`echo $new_enable_languages | \
2007 sed -e "s/^,//" -e "s/,$//" ` ;;
2009 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2010 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2013 # Add "good" languages from enable_stage1_languages to stage1_languages,
2014 # while "bad" languages go in missing_languages. Leave no duplicates.
2015 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2016 case $potential_languages in
2018 case $stage1_languages in
2020 *) stage1_languages="$stage1_languages$i," ;;
2023 case $missing_languages in
2025 *) missing_languages="$missing_languages$i," ;;
2030 # Remove leading/trailing commas that were added for simplicity
2031 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2032 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2033 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2034 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2036 if test "x$missing_languages" != x; then
2038 The following requested languages could not be built: ${missing_languages}
2039 Supported languages are: ${potential_languages}])
2041 if test "x$new_enable_languages" != "x$enable_languages"; then
2042 echo The following languages will be built: ${new_enable_languages}
2043 enable_languages="$new_enable_languages"
2046 AC_SUBST(stage1_languages)
2047 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2050 # Handle --disable-<component> generically.
2051 for dir in $configdirs $build_configdirs $target_configdirs ; do
2052 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2053 varname=`echo $dirname | sed -e s/+/_/g`
2054 if eval test x\${enable_${varname}} "=" xno ; then
2055 noconfigdirs="$noconfigdirs $dir"
2059 # Check for Boehm's garbage collector
2060 AC_ARG_ENABLE(objc-gc,
2061 [AS_HELP_STRING([--enable-objc-gc],
2062 [enable use of Boehm's garbage collector with the
2063 GNU Objective-C runtime])])
2064 AC_ARG_WITH([target-bdw-gc],
2065 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2066 [specify prefix directory for installed bdw-gc package.
2067 Equivalent to --with-target-bdw-gc-include=PATH/include
2068 plus --with-target-bdw-gc-lib=PATH/lib])])
2069 AC_ARG_WITH([target-bdw-gc-include],
2070 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2071 [specify directories for installed bdw-gc include files])])
2072 AC_ARG_WITH([target-bdw-gc-lib],
2073 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2074 [specify directories for installed bdw-gc library])])
2076 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2077 AC_MSG_CHECKING([for bdw garbage collector])
2078 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2079 dnl no bdw-gw options, fall back to the bdw-gc pkg-config module
2080 PKG_CHECK_EXISTS(bdw-gc,
2081 AC_MSG_RESULT([using bdw-gc pkg-config module]),
2082 AC_MSG_ERROR([no --with-target-bdw-gc options and no bdw-gc pkg-config module found]))
2084 dnl bdw-gw options, first error checking, complete checking in libobjc
2085 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2086 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2087 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2088 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2090 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2095 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2096 case ,${enable_languages}, in
2098 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2099 case "${noconfigdirs}" in
2100 *target-libstdc++-v3*)
2101 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2107 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2111 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2112 # $build_configdirs and $target_configdirs.
2113 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2116 for dir in . $skipdirs $noconfigdirs ; do
2117 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2118 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2120 if test -r $srcdir/$dirname/configure ; then
2121 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2124 notsupp="$notsupp $dir"
2128 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2129 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2130 if test -r $srcdir/$dirname/configure ; then
2131 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2134 notsupp="$notsupp $dir"
2138 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2139 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2140 if test -r $srcdir/$dirname/configure ; then
2141 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2144 notsupp="$notsupp $dir"
2150 # Quietly strip out all directories which aren't configurable in this tree.
2151 # This relies on all configurable subdirectories being autoconfiscated, which
2153 build_configdirs_all="$build_configdirs"
2155 for i in ${build_configdirs_all} ; do
2156 j=`echo $i | sed -e s/build-//g`
2157 if test -f ${srcdir}/$j/configure ; then
2158 build_configdirs="${build_configdirs} $i"
2162 configdirs_all="$configdirs"
2164 for i in ${configdirs_all} ; do
2165 if test -f ${srcdir}/$i/configure ; then
2166 configdirs="${configdirs} $i"
2170 target_configdirs_all="$target_configdirs"
2172 for i in ${target_configdirs_all} ; do
2173 j=`echo $i | sed -e s/target-//g`
2174 if test -f ${srcdir}/$j/configure ; then
2175 target_configdirs="${target_configdirs} $i"
2179 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2180 # so we have to add it after the preceding checks.
2181 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2183 case " $configdirs " in
2185 # If we can build libiberty, we can also build libiberty-linker-plugin.
2186 configdirs="$configdirs libiberty-linker-plugin"
2187 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2188 --with-libiberty=../libiberty-linker-plugin";;
2190 AC_MSG_ERROR([libiberty missing]);;
2194 # Sometimes we have special requirements for the host libiberty.
2195 extra_host_libiberty_configure_flags=
2196 extra_host_zlib_configure_flags=
2197 case " $configdirs " in
2198 *" lto-plugin "* | *" libcc1 "*)
2199 # When these are to be built as shared libraries, the same applies to
2201 extra_host_libiberty_configure_flags=--enable-shared
2204 # When bfd is to be built as a shared library, the same applies to
2206 if test "$enable_shared" = "yes"; then
2207 extra_host_zlib_configure_flags=--enable-host-shared
2211 AC_SUBST(extra_host_libiberty_configure_flags)
2212 AC_SUBST(extra_host_zlib_configure_flags)
2214 # Produce a warning message for the subdirs we can't configure.
2215 # This isn't especially interesting in the Cygnus tree, but in the individual
2216 # FSF releases, it's important to let people know when their machine isn't
2217 # supported by the one or two programs in a package.
2219 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2220 # If $appdirs is non-empty, at least one of those directories must still
2221 # be configured, or we error out. (E.g., if the gas release supports a
2222 # specified target in some subdirs but not the gas subdir, we shouldn't
2223 # pretend that all is well.)
2224 if test -n "$appdirs" ; then
2225 for dir in $appdirs ; do
2226 if test -r $dir/Makefile.in ; then
2227 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2231 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2237 if test -n "$appdirs" ; then
2238 echo "*** This configuration is not supported by this package." 1>&2
2242 # Okay, some application will build, or we don't care to check. Still
2243 # notify of subdirs not getting built.
2244 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2245 echo " ${notsupp}" 1>&2
2246 echo " (Any other directories should still work fine.)" 1>&2
2254 # To find our prefix, in gcc_cv_tool_prefix.
2259 AC_ARG_WITH([build-sysroot],
2260 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2261 [use sysroot as the system root during the build])],
2262 [if test x"$withval" != x ; then
2263 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2265 [SYSROOT_CFLAGS_FOR_TARGET=])
2266 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2268 AC_ARG_WITH([debug-prefix-map],
2269 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2270 [map A to B, C to D ... in debug information])],
2271 [if test x"$withval" != x; then
2272 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2273 for debug_map in $withval; do
2274 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2277 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2278 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2280 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2281 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2282 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2283 # We want to ensure that TARGET libraries (which we know are built with
2284 # gcc) are built with "-O2 -g", so include those options when setting
2285 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2286 if test "x$CFLAGS_FOR_TARGET" = x; then
2287 if test "x${is_cross_compiler}" = xyes; then
2288 CFLAGS_FOR_TARGET="-g -O2"
2290 CFLAGS_FOR_TARGET=$CFLAGS
2293 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2296 *" -g "* | *" -g3 "*) ;;
2297 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2301 AC_SUBST(CFLAGS_FOR_TARGET)
2303 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2304 if test "x${is_cross_compiler}" = xyes; then
2305 CXXFLAGS_FOR_TARGET="-g -O2"
2307 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2308 case " $CXXFLAGS " in
2310 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2312 case " $CXXFLAGS " in
2313 *" -g "* | *" -g3 "*) ;;
2314 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2318 AC_SUBST(CXXFLAGS_FOR_TARGET)
2320 AC_SUBST(LDFLAGS_FOR_TARGET)
2322 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2323 # the named directory are copied to $(tooldir)/sys-include.
2324 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2325 if test x${is_cross_compiler} = xno ; then
2326 echo 1>&2 '***' --with-headers is only supported when cross compiling
2329 if test x"${with_headers}" != xyes ; then
2330 x=${gcc_cv_tool_prefix}
2331 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2335 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2336 # the name directories are copied to $(tooldir)/lib. Multiple directories
2338 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2339 if test x${is_cross_compiler} = xno ; then
2340 echo 1>&2 '***' --with-libs is only supported when cross compiling
2343 if test x"${with_libs}" != xyes ; then
2344 # Copy the libraries in reverse order, so that files in the first named
2345 # library override files in subsequent libraries.
2346 x=${gcc_cv_tool_prefix}
2347 for l in ${with_libs}; do
2348 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2353 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2355 # This is done by determining whether or not the appropriate directory
2356 # is available, and by checking whether or not specific configurations
2357 # have requested that this magic not happen.
2359 # The command line options always override the explicit settings in
2360 # configure.ac, and the settings in configure.ac override this magic.
2362 # If the default for a toolchain is to use GNU as and ld, and you don't
2363 # want to do that, then you should use the --without-gnu-as and
2364 # --without-gnu-ld options for the configure script. Similarly, if
2365 # the default is to use the included zlib and you don't want to do that,
2366 # you should use the --with-system-zlib option for the configure script.
2368 if test x${use_gnu_as} = x &&
2369 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2371 extra_host_args="$extra_host_args --with-gnu-as"
2374 if test x${use_gnu_ld} = x &&
2375 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2377 extra_host_args="$extra_host_args --with-gnu-ld"
2380 if test x${use_included_zlib} = x &&
2381 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2384 with_system_zlib=yes
2385 extra_host_args="$extra_host_args --with-system-zlib"
2388 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2389 # can detect this case.
2391 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2393 extra_host_args="$extra_host_args --with-newlib"
2396 # Handle ${copy_dirs}
2397 set fnord ${copy_dirs}
2399 while test $# != 0 ; do
2400 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2403 echo Copying $1 to $2
2405 # Use the install script to create the directory and all required
2406 # parent directories.
2407 if test -d $2 ; then
2411 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2414 # Copy the directory, assuming we have tar.
2415 # FIXME: Should we use B in the second tar? Not all systems support it.
2416 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2418 # It is the responsibility of the user to correctly adjust all
2419 # symlinks. If somebody can figure out how to handle them correctly
2420 # here, feel free to add the code.
2427 # Determine a target-dependent exec_prefix that the installed
2428 # gcc will search in. Keep this list sorted by triplet, with
2429 # the *-*-osname triplets last.
2432 i[[34567]]86-pc-msdosdjgpp*)
2433 md_exec_prefix=/dev/env/DJDIR/bin
2438 md_exec_prefix=/usr/ccs/bin
2442 extra_arflags_for_target=
2443 extra_nmflags_for_target=
2444 extra_ranlibflags_for_target=
2445 target_makefile_frag=/dev/null
2448 target_makefile_frag="config/mt-spu"
2450 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2451 target_makefile_frag="config/mt-sde"
2453 mipsisa*-*-elfoabi*)
2454 target_makefile_frag="config/mt-mips-elfoabi"
2456 mips*-*-*linux* | mips*-*-gnu*)
2457 target_makefile_frag="config/mt-mips-gnu"
2460 target_makefile_frag="config/mt-nios2-elf"
2462 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2463 target_makefile_frag="config/mt-gnu"
2465 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2466 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2467 # commands to handle both 32-bit and 64-bit objects. These flags are
2468 # harmless if we're using GNU nm or ar.
2469 extra_arflags_for_target=" -X32_64"
2470 extra_nmflags_for_target=" -B -X32_64"
2474 alphaieee_frag=/dev/null
2477 # This just makes sure to use the -mieee option to build target libs.
2478 # This should probably be set individually by each library.
2479 alphaieee_frag="config/mt-alphaieee"
2483 # If --enable-target-optspace always use -Os instead of -O2 to build
2484 # the target libraries, similarly if it is not specified, use -Os
2485 # on selected platforms.
2486 ospace_frag=/dev/null
2487 case "${enable_target_optspace}:${target}" in
2489 ospace_frag="config/mt-ospace"
2492 ospace_frag="config/mt-d30v"
2494 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2495 ospace_frag="config/mt-ospace"
2500 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2504 # Some systems (e.g., one of the i386-aix systems the gas testers are
2505 # using) don't handle "\$" correctly, so don't use it here.
2506 tooldir='${exec_prefix}'/${target_noncanonical}
2507 build_tooldir=${tooldir}
2509 # Create a .gdbinit file which runs the one in srcdir
2510 # and tells GDB to look there for source files.
2512 if test -r ${srcdir}/.gdbinit ; then
2515 *) cat > ./.gdbinit <<EOF
2519 source ${srcdir}/.gdbinit
2525 # Make sure that the compiler is able to generate an executable. If it
2526 # can't, we are probably in trouble. We don't care whether we can run the
2527 # executable--we might be using a cross compiler--we only care whether it
2528 # can be created. At this point the main configure script has set CC.
2530 echo "int main () { return 0; }" > conftest.c
2531 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2532 if test $? = 0 ; then
2533 if test -s conftest || test -s conftest.exe ; then
2539 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2540 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2547 # Decide which environment variable is used to find dynamic libraries.
2549 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2550 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2551 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2552 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2555 # On systems where the dynamic library environment variable is PATH,
2556 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2557 # built executables to PATH.
2558 if test "$RPATH_ENVVAR" = PATH; then
2559 GCC_SHLIB_SUBDIR=/shlib
2564 # Adjust the toplevel makefile according to whether bootstrap was selected.
2565 case $enable_bootstrap in
2567 bootstrap_suffix=bootstrap
2568 BUILD_CONFIG=bootstrap-debug
2571 bootstrap_suffix=no-bootstrap
2576 AC_MSG_CHECKING(for default BUILD_CONFIG)
2578 AC_ARG_WITH([build-config],
2579 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2580 [use config/NAME.mk build configuration])],
2581 [case $with_build_config in
2582 yes) with_build_config= ;;
2583 no) with_build_config= BUILD_CONFIG= ;;
2586 if test "x${with_build_config}" != x; then
2587 BUILD_CONFIG=$with_build_config
2589 case $BUILD_CONFIG in
2591 if echo "int f (void) { return 0; }" > conftest.c &&
2592 ${CC} -c conftest.c &&
2593 mv conftest.o conftest.o.g0 &&
2594 ${CC} -c -g conftest.c &&
2595 mv conftest.o conftest.o.g &&
2596 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2601 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2605 AC_MSG_RESULT($BUILD_CONFIG)
2606 AC_SUBST(BUILD_CONFIG)
2608 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2609 AC_MSG_CHECKING([for --enable-vtable-verify])
2610 AC_ARG_ENABLE(vtable-verify,
2611 [AS_HELP_STRING([--enable-vtable-verify],
2612 [Enable vtable verification feature])],
2613 [case "$enableval" in
2614 yes) enable_vtable_verify=yes ;;
2615 no) enable_vtable_verify=no ;;
2616 *) enable_vtable_verify=no;;
2618 [enable_vtable_verify=no])
2619 AC_MSG_RESULT($enable_vtable_verify)
2621 # Record target_configdirs and the configure arguments for target and
2622 # build configuration in Makefile.
2623 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2624 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2625 bootstrap_fixincludes=no
2627 # If we are building libgomp, bootstrap it.
2628 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2629 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2632 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2633 # or bootstrap-ubsan, bootstrap it.
2634 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2635 case "$BUILD_CONFIG" in
2636 *bootstrap-asan* | *bootstrap-ubsan* )
2637 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2638 bootstrap_fixincludes=yes
2643 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2644 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2645 test "$enable_vtable_verify" != no; then
2646 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2649 # If we are building libmpx, bootstrap it.
2650 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2651 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2654 # Determine whether gdb needs tk/tcl or not.
2655 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2656 # and in that case we want gdb to be built without tk. Ugh!
2657 # In fact I believe gdb is the *only* package directly dependent on tk,
2658 # so we should be able to put the 'maybe's in unconditionally and
2659 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2660 # 100% sure that that's safe though.
2662 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2663 case "$enable_gdbtk" in
2667 GDB_TK="${gdb_tk}" ;;
2669 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2670 # distro. Eventually someone will fix this and move Insight, nee
2671 # gdbtk to a separate directory.
2672 if test -d ${srcdir}/gdb/gdbtk ; then
2679 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2680 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2682 # Strip out unwanted targets.
2684 # While at that, we remove Makefiles if we were started for recursive
2685 # configuration, so that the top-level Makefile reconfigures them,
2686 # like we used to do when configure itself was recursive.
2688 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2689 # but now we're fixing up the Makefile ourselves with the additional
2690 # commands passed to AC_CONFIG_FILES. Use separate variables
2691 # extrasub-{build,host,target} not because there is any reason to split
2692 # the substitutions up that way, but only to remain below the limit of
2693 # 99 commands in a script, for HP-UX sed.
2694 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2696 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2697 yes:yes:*\ gold\ *:*,c++,*) ;;
2698 yes:yes:*\ gold\ *:*)
2699 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2704 for module in ${build_configdirs} ; do
2705 if test -z "${no_recursion}" \
2706 && test -f ${build_subdir}/${module}/Makefile; then
2707 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2708 rm -f ${build_subdir}/${module}/Makefile
2710 extrasub_build="$extrasub_build
2711 /^@if build-$module\$/d
2712 /^@endif build-$module\$/d
2713 /^@if build-$module-$bootstrap_suffix\$/d
2714 /^@endif build-$module-$bootstrap_suffix\$/d"
2717 for module in ${configdirs} ; do
2718 if test -z "${no_recursion}"; then
2719 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2720 if test -f ${file}; then
2721 echo 1>&2 "*** removing ${file} to force reconfigure"
2726 case ${module},${bootstrap_fixincludes} in
2727 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2728 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2730 extrasub_host="$extrasub_host
2732 /^@endif $module\$/d
2733 /^@if $module-$host_bootstrap_suffix\$/d
2734 /^@endif $module-$host_bootstrap_suffix\$/d"
2737 for module in ${target_configdirs} ; do
2738 if test -z "${no_recursion}" \
2739 && test -f ${target_subdir}/${module}/Makefile; then
2740 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2741 rm -f ${target_subdir}/${module}/Makefile
2744 # We only bootstrap target libraries listed in bootstrap_target_libs.
2745 case $bootstrap_target_libs in
2746 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2747 *) target_bootstrap_suffix=no-bootstrap ;;
2750 extrasub_target="$extrasub_target
2751 /^@if target-$module\$/d
2752 /^@endif target-$module\$/d
2753 /^@if target-$module-$target_bootstrap_suffix\$/d
2754 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2757 # Do the final fixup along with target modules.
2758 extrasub_target="$extrasub_target
2759 /^@if /,/^@endif /d"
2761 # Create the serialization dependencies. This uses a temporary file.
2763 AC_ARG_ENABLE([serial-configure],
2764 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2765 [force sequential configuration of
2766 sub-packages for the host, target or build
2767 machine, or all sub-packages])])
2769 case ${enable_serial_configure} in
2771 enable_serial_build_configure=yes
2772 enable_serial_host_configure=yes
2773 enable_serial_target_configure=yes
2777 # These force 'configure's to be done one at a time, to avoid problems
2778 # with contention over a shared config.cache.
2780 echo '# serdep.tmp' > serdep.tmp
2782 test "x${enable_serial_build_configure}" = xyes &&
2783 for item in ${build_configdirs} ; do
2786 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2791 test "x${enable_serial_host_configure}" = xyes &&
2792 for item in ${configdirs} ; do
2795 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2800 test "x${enable_serial_target_configure}" = xyes &&
2801 for item in ${target_configdirs} ; do
2804 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2808 serialization_dependencies=serdep.tmp
2809 AC_SUBST_FILE(serialization_dependencies)
2811 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2812 # target, nonopt, and variable assignments. These are the ones we
2813 # might not want to pass down to subconfigures. The exception being
2814 # --cache-file=/dev/null, which is used to turn off the use of cache
2815 # files altogether, and which should be passed on to subconfigures.
2816 # Also strip program-prefix, program-suffix, and program-transform-name,
2817 # so that we can pass down a consistent program-transform-name.
2822 eval "set -- $ac_configure_args"
2825 if test X"$skip_next" = X"yes"; then
2829 if test X"$keep_next" = X"yes"; then
2832 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2834 baseargs="$baseargs '$ac_arg'"
2835 tbaseargs="$tbaseargs '$ac_arg'"
2840 # Handle separated arguments. Based on the logic generated by
2843 *=* | --config-cache | -C | -disable-* | --disable-* \
2844 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2845 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2846 | -with-* | --with-* | -without-* | --without-* | --x)
2860 --with-* | --without-*)
2861 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2865 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2868 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2877 mpc | mpfr | gmp | isl)
2878 # If we're processing --with-$lib, --with-$lib-include or
2879 # --with-$lib-lib, for one of the libs above, and target is
2880 # different from host, don't pass the current argument to any
2881 # target library's configure.
2882 if test x$is_cross_compiler = xyes; then
2891 --cache-file=/dev/null | \
2892 -cache-file=/dev/null )
2893 # Handled here to avoid the test to skip args below.
2894 baseargs="$baseargs '$ac_arg'"
2895 tbaseargs="$tbaseargs '$ac_arg'"
2896 # Assert: $separate_arg should always be no.
2897 keep_next=$separate_arg
2913 -program-prefix* | \
2914 -program-suffix* | \
2915 -program-transform-name* )
2916 skip_next=$separate_arg
2920 # An option. Add it.
2923 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2925 baseargs="$baseargs '$ac_arg'"
2926 if test X"$skip_targ" = Xno; then
2927 tbaseargs="$tbaseargs '$ac_arg'"
2929 keep_next=$separate_arg
2932 # Either a variable assignment, or a nonopt (triplet). Don't
2933 # pass it down; let the Makefile handle this.
2938 # Remove the initial space we just introduced and, as these will be
2939 # expanded by make, quote '$'.
2940 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2942 # Add in --program-transform-name, after --program-prefix and
2943 # --program-suffix have been applied to it. Autoconf has already
2944 # doubled dollar signs and backslashes in program_transform_name; we want
2945 # the backslashes un-doubled, and then the entire thing wrapped in single
2946 # quotes, because this will be expanded first by make and then by the shell.
2947 # Also, because we want to override the logic in subdir configure scripts to
2948 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2949 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2950 ${program_transform_name}
2952 gcc_transform_name=`cat conftestsed.out`
2953 rm -f conftestsed.out
2954 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2955 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2956 if test "$silent" = yes; then
2957 baseargs="$baseargs --silent"
2958 tbaseargs="$tbaseargs --silent"
2960 baseargs="$baseargs --disable-option-checking"
2961 tbaseargs="$tbaseargs --disable-option-checking"
2963 # Record and document user additions to sub configure arguments.
2964 AC_ARG_VAR([build_configargs],
2965 [additional configure arguments for build directories])
2966 AC_ARG_VAR([host_configargs],
2967 [additional configure arguments for host directories])
2968 AC_ARG_VAR([target_configargs],
2969 [additional configure arguments for target directories])
2971 # For the build-side libraries, we just need to pretend we're native,
2972 # and not use the same cache file. Multilibs are neither needed nor
2973 # desired. We can't even use the same cache file for all build-side
2974 # libraries, as they're compiled differently; some with C, some with
2975 # C++ or with different feature-enabling options.
2976 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
2978 # For host modules, accept cache file option, or specification as blank.
2979 case "${cache_file}" in
2981 cache_file_option="" ;;
2982 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2983 cache_file_option="--cache-file=${cache_file}" ;;
2985 cache_file_option="--cache-file=../${cache_file}" ;;
2988 # Host dirs don't like to share a cache file either, horribly enough.
2989 # This seems to be due to autoconf 2.5x stupidity.
2990 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2992 target_configargs="$target_configargs ${tbaseargs}"
2994 # Passing a --with-cross-host argument lets the target libraries know
2995 # whether they are being built with a cross-compiler or being built
2996 # native. However, it would be better to use other mechanisms to make the
2997 # sorts of decisions they want to make on this basis. Please consider
2998 # this option to be deprecated. FIXME.
2999 if test x${is_cross_compiler} = xyes ; then
3000 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3003 # Special user-friendly check for native x86_64-linux build, if
3004 # multilib is not explicitly enabled.
3005 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3006 x86_64-*linux*:yes:$build:$build:)
3007 # Make sure we have a development environment that handles 32-bit
3009 echo "int main () { return 0; }" > conftest.c
3010 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3011 if test $? = 0 ; then
3012 if test -s conftest || test -s conftest.exe ; then
3017 if test x${dev64} != xyes ; then
3018 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.])
3023 # Default to --enable-multilib.
3024 if test x${enable_multilib} = x ; then
3025 target_configargs="--enable-multilib ${target_configargs}"
3028 # Pass --with-newlib if appropriate. Note that target_configdirs has
3029 # changed from the earlier setting of with_newlib.
3030 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3031 target_configargs="--with-newlib ${target_configargs}"
3034 # Different target subdirs use different values of certain variables
3035 # (notably CXX). Worse, multilibs use *lots* of different values.
3036 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3037 # it doesn't automatically accept command-line overrides of them.
3038 # This means it's not safe for target subdirs to share a cache file,
3039 # which is disgusting, but there you have it. Hopefully this can be
3040 # fixed in future. It's still worthwhile to use a cache file for each
3041 # directory. I think.
3043 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3044 # We need to pass --target, as newer autoconf's requires consistency
3045 # for target_alias and gcc doesn't manage it consistently.
3046 target_configargs="--cache-file=./config.cache ${target_configargs}"
3049 case " $target_configdirs " in
3051 case " $target_configargs " in
3052 *" --with-newlib "*)
3055 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3059 # If we're not building GCC, don't discard standard headers.
3060 if test -d ${srcdir}/gcc; then
3061 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3063 if test "${build}" != "${host}"; then
3064 # On Canadian crosses, CC_FOR_TARGET will have already been set
3065 # by `configure', so we won't have an opportunity to add -Bgcc/
3066 # to it. This is right: we don't want to search that directory
3067 # for binaries, but we want the header files in there, so add
3069 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3071 # Someone might think of using the pre-installed headers on
3072 # Canadian crosses, in case the installed compiler is not fully
3073 # compatible with the compiler being built. In this case, it
3074 # would be better to flag an error than risking having
3075 # incompatible object files being constructed. We can't
3076 # guarantee that an error will be flagged, but let's hope the
3077 # compiler will do it, when presented with incompatible header
3082 case "${target}-${is_cross_compiler}" in
3083 i[[3456789]]86-*-linux*-no)
3084 # Here host == target, so we don't need to build gcc,
3085 # so we don't want to discard standard headers.
3086 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3089 # If we're building newlib, use its generic headers last, but search
3090 # for any libc-related directories first (so make it the last -B
3092 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3094 # If we're building libgloss, find the startup file, simulator library
3095 # and linker script.
3096 case " $target_configdirs " in
3098 # Look for startup file, simulator library and maybe linker script.
3099 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3100 # Look for libnosys.a in case the target needs it.
3101 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3102 # Most targets have the linker script in the source directory.
3103 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3114 x86_64-*mingw* | *-w64-mingw*)
3115 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3116 # however, use a symlink named 'mingw' in ${prefix} .
3117 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3120 # MinGW can't be handled as Cygwin above since it does not use newlib.
3121 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3125 # Allow the user to override the flags for
3126 # our build compiler if desired.
3127 if test x"${build}" = x"${host}" ; then
3128 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3129 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3130 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3133 # On Canadian crosses, we'll be searching the right directories for
3134 # the previously-installed cross compiler, so don't bother to add
3135 # flags for directories within the install tree of the compiler
3136 # being built; programs in there won't even run.
3137 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3138 # Search for pre-installed headers if nothing else fits.
3139 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3142 if test "x${use_gnu_ld}" = x &&
3143 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3144 # Arrange for us to find uninstalled linker scripts.
3145 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3148 # Search for other target-specific linker scripts and such.
3151 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3155 # Makefile fragments.
3156 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3158 eval fragval=\$$frag
3159 if test $fragval != /dev/null; then
3160 eval $frag=${srcdir}/$fragval
3163 AC_SUBST_FILE(host_makefile_frag)
3164 AC_SUBST_FILE(target_makefile_frag)
3165 AC_SUBST_FILE(alphaieee_frag)
3166 AC_SUBST_FILE(ospace_frag)
3168 # Miscellanea: directories, flags, etc.
3169 AC_SUBST(RPATH_ENVVAR)
3170 AC_SUBST(GCC_SHLIB_SUBDIR)
3172 AC_SUBST(build_tooldir)
3173 AC_SUBST(CONFIGURE_GDB_TK)
3175 AC_SUBST(INSTALL_GDB_TK)
3177 # Build module lists & subconfigure args.
3178 AC_SUBST(build_configargs)
3179 AC_SUBST(build_configdirs)
3181 # Host module lists & subconfigure args.
3182 AC_SUBST(host_configargs)
3183 AC_SUBST(configdirs)
3184 AC_SUBST(target_configdirs)
3186 # Target module lists & subconfigure args.
3187 AC_SUBST(target_configargs)
3191 AC_SUBST(AR_FOR_BUILD)
3192 AC_SUBST(AS_FOR_BUILD)
3193 AC_SUBST(CC_FOR_BUILD)
3194 AC_SUBST(CFLAGS_FOR_BUILD)
3195 AC_SUBST(CXXFLAGS_FOR_BUILD)
3196 AC_SUBST(CXX_FOR_BUILD)
3197 AC_SUBST(DLLTOOL_FOR_BUILD)
3198 AC_SUBST(GFORTRAN_FOR_BUILD)
3199 AC_SUBST(GOC_FOR_BUILD)
3200 AC_SUBST(LDFLAGS_FOR_BUILD)
3201 AC_SUBST(LD_FOR_BUILD)
3202 AC_SUBST(NM_FOR_BUILD)
3203 AC_SUBST(RANLIB_FOR_BUILD)
3204 AC_SUBST(WINDMC_FOR_BUILD)
3205 AC_SUBST(WINDRES_FOR_BUILD)
3207 # Generate default definitions for YACC, M4, LEX and other programs that run
3208 # on the build machine. These are used if the Makefile can't locate these
3209 # programs in objdir.
3210 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3212 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3213 case " $build_configdirs " in
3214 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3217 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3218 case " $build_configdirs " in
3219 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3222 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3223 case " $build_configdirs " in
3224 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3227 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3228 case " $build_configdirs " in
3229 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3230 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3233 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3234 case " $build_configdirs " in
3235 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3238 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3239 case " $build_configdirs " in
3240 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3243 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3244 # higher, else we use the "missing" dummy.
3245 if ${MAKEINFO} --version \
3246 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3249 MAKEINFO="$MISSING makeinfo"
3255 # FIXME: expect and dejagnu may become build tools?
3257 AC_CHECK_PROGS(EXPECT, expect, expect)
3258 case " $configdirs " in
3260 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3264 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3265 case " $configdirs " in
3267 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3273 NCN_STRICT_CHECK_TOOLS(AR, ar)
3274 NCN_STRICT_CHECK_TOOLS(AS, as)
3275 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3276 NCN_STRICT_CHECK_TOOLS(LD, ld)
3277 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3278 NCN_STRICT_CHECK_TOOLS(NM, nm)
3279 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3280 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3281 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3282 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3283 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3284 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3285 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3292 AC_ARG_WITH([build-time-tools],
3293 [AS_HELP_STRING([--with-build-time-tools=PATH],
3294 [use given path to find target tools during the build])],
3295 [case x"$withval" in
3298 with_build_time_tools=
3299 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3302 [with_build_time_tools=])
3304 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3305 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3306 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3307 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3308 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3310 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3311 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3312 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3313 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3314 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3315 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3316 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3317 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3318 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3319 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3320 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3321 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3322 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3324 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3326 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3327 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3328 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3329 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3330 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3331 [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],
3333 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3334 [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],
3336 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3337 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3338 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3339 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3340 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3341 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3342 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3343 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3344 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3345 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3346 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3347 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3348 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3349 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3350 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3351 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3353 AC_SUBST(FLAGS_FOR_TARGET)
3354 AC_SUBST(RAW_CXX_FOR_TARGET)
3356 # Certain tools may need extra flags.
3357 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3358 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3359 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3361 # When building target libraries, except in a Canadian cross, we use
3362 # the same toolchain as the compiler we just built.
3363 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3364 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3365 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3366 if test $host = $build; then
3367 case " $configdirs " in
3369 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3370 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3371 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3376 AC_SUBST(COMPILER_AS_FOR_TARGET)
3377 AC_SUBST(COMPILER_LD_FOR_TARGET)
3378 AC_SUBST(COMPILER_NM_FOR_TARGET)
3380 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3381 AC_ARG_ENABLE(maintainer-mode,
3382 [AS_HELP_STRING([--enable-maintainer-mode],
3383 [enable make rules and dependencies not useful
3384 (and sometimes confusing) to the casual installer])],
3385 USE_MAINTAINER_MODE=$enableval,
3386 USE_MAINTAINER_MODE=no)
3387 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3388 AC_SUBST(MAINTAINER_MODE_TRUE)
3389 AC_SUBST(MAINTAINER_MODE_FALSE)
3390 if test "$USE_MAINTAINER_MODE" = yes; then
3391 MAINTAINER_MODE_TRUE=
3392 MAINTAINER_MODE_FALSE='#'
3394 MAINTAINER_MODE_TRUE='#'
3395 MAINTAINER_MODE_FALSE=
3397 MAINT=$MAINTAINER_MODE_TRUE
3400 # ---------------------
3401 # GCC bootstrap support
3402 # ---------------------
3404 # Stage specific cflags for build.
3409 yes) stage1_cflags="-g -Wa,-J" ;;
3410 *) stage1_cflags="-g -J" ;;
3414 AC_SUBST(stage1_cflags)
3416 # Enable --enable-checking in stage1 of the compiler.
3417 AC_ARG_ENABLE(stage1-checking,
3418 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3419 [choose additional checking for stage1 of the compiler])],
3420 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3421 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3422 # For --disable-checking or implicit --enable-checking=release, avoid
3423 # setting --enable-checking=gc in the default stage1 checking for LTO
3424 # bootstraps. See PR62077.
3425 case $BUILD_CONFIG in
3427 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3429 stage1_checking=--enable-checking=yes,types;;
3431 if test "x$enable_checking" = x && \
3432 test -d ${srcdir}/gcc && \
3433 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3434 stage1_checking=--enable-checking=yes,types,extra
3437 stage1_checking=--enable-checking=$enable_checking,types
3439 AC_SUBST(stage1_checking)
3441 # Enable -Werror in bootstrap stage2 and later.
3442 AC_ARG_ENABLE(werror,
3443 [AS_HELP_STRING([--enable-werror],
3444 [enable -Werror in bootstrap stage2 and later])], [],
3445 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3450 case ${enable_werror} in
3451 yes) stage2_werror_flag="--enable-werror-always" ;;
3452 *) stage2_werror_flag="" ;;
3454 AC_SUBST(stage2_werror_flag)
3456 # Enable --enable-host-shared.
3457 AC_ARG_ENABLE(host-shared,
3458 [AS_HELP_STRING([--enable-host-shared],
3459 [build host code as shared libraries])],
3460 [host_shared=$enableval], [host_shared=no])
3461 AC_SUBST(host_shared)
3463 # PR jit/64780: Require the user to explicitly specify
3464 # --enable-host-shared if the jit is enabled, hinting
3465 # that they might want to do a separate configure/build of
3466 # the jit, to avoid users from slowing down the rest of the
3467 # compiler by enabling the jit.
3468 if test ${host_shared} = "no" ; then
3469 case "${enable_languages}" in
3472 Enabling language "jit" requires --enable-host-shared.
3474 --enable-host-shared typically slows the rest of the compiler down by
3475 a few %, so you must explicitly enable it.
3477 If you want to build both the jit and the regular compiler, it is often
3478 best to do this via two separate configure/builds, in separate
3479 directories, to avoid imposing the performance cost of
3480 --enable-host-shared on the regular compiler.])
3487 # Specify what files to not compare during bootstrap.
3489 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3491 hppa*64*-*-hpux*) ;;
3492 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3493 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3495 AC_SUBST(compare_exclusions)
3497 AC_CONFIG_FILES([Makefile],
3498 [sed "$extrasub_build" Makefile |
3499 sed "$extrasub_host" |
3500 sed "$extrasub_target" > mf$$
3501 mv -f mf$$ Makefile],
3502 [extrasub_build="$extrasub_build"
3503 extrasub_host="$extrasub_host"
3504 extrasub_target="$extrasub_target"])