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])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
154 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 # Disable the BRIG frontend and libhsail-rt on untested or known
817 # broken systems. Currently it has been tested only on x86_64 Linux
818 # of the upstream gcc targets. More targets shall be added after testing.
823 unsupported_languages="$unsupported_languages brig"
824 # This implicitly disables also target-libhsail-rt as it won't
825 # get added to the build without BRIG FE.
829 # Default libgloss CPU subdirectory.
830 libgloss_dir="$target_cpu"
833 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
842 cris-*-* | crisv32-*-*)
851 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
868 # Disable newlib and libgloss for various target OSes.
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 i[[3456789]]86-*-linux*)
874 # This section makes it possible to build newlib natively on linux.
875 # If we are using a cross compiler then don't configure newlib.
876 if test x${is_cross_compiler} != xno ; then
877 noconfigdirs="$noconfigdirs target-newlib"
879 noconfigdirs="$noconfigdirs target-libgloss"
880 # If we are not using a cross compiler, do configure newlib.
881 # Note however, that newlib will only be configured in this situation
882 # if the --with-newlib option has been given, because otherwise
883 # 'target-newlib' will appear in skipdirs.
885 i[[3456789]]86-*-rdos*)
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 sh*-*-pe|mips*-*-pe|arm-wince-pe)
889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
901 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
904 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
910 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
916 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
919 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
922 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
928 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
931 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
939 noconfigdirs="$noconfigdirs ld gas gdb gprof"
940 noconfigdirs="$noconfigdirs sim target-rda"
943 noconfigdirs="$noconfigdirs ld gas gdb gprof"
944 noconfigdirs="$noconfigdirs sim target-rda"
947 noconfigdirs="$noconfigdirs ld gas gdb gprof"
948 noconfigdirs="$noconfigdirs sim target-rda"
950 i[[3456789]]86-*-darwin*)
951 noconfigdirs="$noconfigdirs ld gprof"
952 noconfigdirs="$noconfigdirs sim target-rda"
954 x86_64-*-darwin[[912]]*)
955 noconfigdirs="$noconfigdirs ld gas gprof"
956 noconfigdirs="$noconfigdirs sim target-rda"
959 noconfigdirs="$noconfigdirs ld gas gdb gprof"
960 noconfigdirs="$noconfigdirs sim target-rda"
965 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
966 && test -f /usr/local/include/gmp.h; then
971 # Remove unsupported stuff on all kaOS configurations.
972 noconfigdirs="$noconfigdirs target-libgloss"
979 noconfigdirs="$noconfigdirs target-libgloss"
982 noconfigdirs="$noconfigdirs target-libgloss"
983 # this is not caught below because this stanza matches earlier
985 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
988 # The tpf target doesn't support gdb yet.
990 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
993 noconfigdirs="$noconfigdirs target-rda"
998 # ld works, but does not support shared libraries.
999 # gas doesn't generate exception information.
1000 noconfigdirs="$noconfigdirs gas ld"
1003 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1006 # newlib is not 64 bit ready
1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1009 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1010 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1013 noconfigdirs="$noconfigdirs sim"
1016 noconfigdirs="$noconfigdirs target-libgloss"
1019 noconfigdirs="$noconfigdirs ld target-libgloss"
1022 if test x${with_avrlibc} != xno; then
1023 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1026 c4x-*-* | tic4x-*-*)
1027 noconfigdirs="$noconfigdirs target-libgloss"
1030 noconfigdirs="$noconfigdirs target-libgloss gdb"
1033 noconfigdirs="$noconfigdirs target-libgloss"
1036 noconfigdirs="$noconfigdirs gdb"
1039 noconfigdirs="$noconfigdirs gdb"
1042 noconfigdirs="$noconfigdirs target-rda gprof"
1045 noconfigdirs="$noconfigdirs"
1048 noconfigdirs="$noconfigdirs target-libgloss"
1051 noconfigdirs="$noconfigdirs target-libgloss"
1053 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1056 noconfigdirs="$noconfigdirs gdb"
1059 noconfigdirs="$noconfigdirs gdb ld"
1067 hppa*-*-openbsd* | \
1073 noconfigdirs="$noconfigdirs ld"
1076 noconfigdirs="$noconfigdirs gdb"
1079 # No gdb support yet.
1080 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1083 # No ld support yet.
1084 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1087 # No ld support yet.
1088 noconfigdirs="$noconfigdirs libgui itcl ld"
1090 i[[3456789]]86-w64-mingw*)
1092 i[[3456789]]86-*-mingw*)
1093 target_configdirs="$target_configdirs target-winsup"
1096 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1097 noconfigdirs="$noconfigdirs target-libgloss"
1098 # always build newlib if winsup directory is present.
1099 if test -d "$srcdir/winsup/cygwin"; then
1100 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1101 elif test -d "$srcdir/newlib"; then
1102 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1105 i[[3456789]]86-*-pe)
1106 noconfigdirs="$noconfigdirs target-libgloss"
1108 i[[3456789]]86-*-sco3.2v5*)
1109 # The linker does not yet know about weak symbols in COFF,
1110 # and is not configured to handle mixed ELF and COFF.
1111 noconfigdirs="$noconfigdirs ld target-libgloss"
1113 i[[3456789]]86-*-sco*)
1114 noconfigdirs="$noconfigdirs gprof target-libgloss"
1116 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1117 noconfigdirs="$noconfigdirs target-libgloss"
1119 i[[3456789]]86-*-sysv4*)
1120 noconfigdirs="$noconfigdirs target-libgloss"
1122 i[[3456789]]86-*-beos*)
1123 noconfigdirs="$noconfigdirs gdb"
1125 i[[3456789]]86-*-rdos*)
1126 noconfigdirs="$noconfigdirs gdb"
1129 noconfigdirs="$noconfigdirs gdb"
1132 noconfigdirs="$noconfigdirs sim"
1135 # copied from rs6000-*-* entry
1136 noconfigdirs="$noconfigdirs gprof"
1138 powerpc*-*-winnt* | powerpc*-*-pe*)
1139 target_configdirs="$target_configdirs target-winsup"
1140 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1141 # always build newlib.
1142 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1144 # This is temporary until we can link against shared libraries
1145 powerpcle-*-solaris*)
1146 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1149 noconfigdirs="$noconfigdirs gdb"
1152 noconfigdirs="$noconfigdirs gprof"
1155 noconfigdirs="$noconfigdirs gprof"
1158 noconfigdirs="$noconfigdirs gprof"
1161 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1164 noconfigdirs="$noconfigdirs gprof"
1166 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1167 if test x$with_newlib = xyes; then
1168 noconfigdirs="$noconfigdirs gprof"
1172 noconfigdirs="$noconfigdirs gprof target-libgloss"
1175 noconfigdirs="$noconfigdirs gprof target-libgloss"
1178 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1182 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1183 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1184 noconfigdirs="$noconfigdirs ld gas gprof"
1187 noconfigdirs="$noconfigdirs gprof"
1190 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1193 noconfigdirs="$noconfigdirs gdb"
1200 noconfigdirs="$noconfigdirs target-libgloss" ;;
1204 if test x${is_cross_compiler} = xno ; then
1209 noconfigdirs="$noconfigdirs sim"
1211 tilepro*-*-* | tilegx*-*-*)
1212 noconfigdirs="$noconfigdirs sim"
1215 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1218 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1222 # If we aren't building newlib, then don't build libgloss, since libgloss
1223 # depends upon some newlib header files.
1224 case "${noconfigdirs}" in
1225 *target-libgloss*) ;;
1226 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1229 # Work in distributions that contain no compiler tools, like Autoconf.
1230 host_makefile_frag=/dev/null
1231 if test -d ${srcdir}/config ; then
1233 i[[3456789]]86-*-msdosdjgpp*)
1234 host_makefile_frag="config/mh-djgpp"
1237 ACX_CHECK_CYGWIN_CAT_WORKS
1238 host_makefile_frag="config/mh-cygwin"
1241 host_makefile_frag="config/mh-mingw"
1244 host_makefile_frag="config/mh-alpha-linux"
1247 host_makefile_frag="config/mh-pa-hpux10"
1250 host_makefile_frag="config/mh-pa"
1253 host_makefile_frag="config/mh-pa"
1256 host_makefile_frag="config/mh-darwin"
1259 host_makefile_frag="config/mh-ppc-aix"
1262 host_makefile_frag="config/mh-ppc-aix"
1267 if test "${build}" != "${host}" ; then
1268 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1269 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1270 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1271 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1272 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1273 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1274 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1275 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1276 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1277 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1278 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1279 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1281 AR_FOR_BUILD="\$(AR)"
1282 AS_FOR_BUILD="\$(AS)"
1283 CC_FOR_BUILD="\$(CC)"
1284 CXX_FOR_BUILD="\$(CXX)"
1285 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1286 GOC_FOR_BUILD="\$(GOC)"
1287 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1288 LD_FOR_BUILD="\$(LD)"
1289 NM_FOR_BUILD="\$(NM)"
1290 RANLIB_FOR_BUILD="\$(RANLIB)"
1291 WINDRES_FOR_BUILD="\$(WINDRES)"
1292 WINDMC_FOR_BUILD="\$(WINDMC)"
1298 # We must set the default linker to the linker used by gcc for the correct
1299 # operation of libtool. If LD is not defined and we are using gcc, try to
1300 # set the LD default to the ld used by gcc.
1301 if test -z "$LD"; then
1302 if test "$GCC" = yes; then
1305 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1307 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1309 case $gcc_prog_ld in
1310 # Accept absolute paths.
1311 [[\\/]* | [A-Za-z]:[\\/]*)]
1312 LD="$gcc_prog_ld" ;;
1317 # Check whether -static-libstdc++ -static-libgcc is supported.
1319 if test "$GCC" = yes; then
1320 saved_LDFLAGS="$LDFLAGS"
1322 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1323 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1326 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1327 #error -static-libstdc++ not implemented
1330 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1331 [AC_MSG_RESULT([no])])
1334 LDFLAGS="$saved_LDFLAGS"
1338 ACX_PROG_CMP_IGNORE_INITIAL
1340 AC_ARG_ENABLE([bootstrap],
1341 [AS_HELP_STRING([--enable-bootstrap],
1342 [enable bootstrapping @<:@yes if native build@:>@])],,
1343 enable_bootstrap=default)
1345 # Issue errors and warnings for invalid/strange bootstrap combinations.
1346 if test -r $srcdir/gcc/configure; then
1352 case "$have_compiler:$host:$target:$enable_bootstrap" in
1355 # Default behavior. Enable bootstrap if we have a compiler
1356 # and we are in a native configuration.
1357 yes:$build:$build:default)
1358 enable_bootstrap=yes ;;
1361 enable_bootstrap=no ;;
1363 # We have a compiler and we are in a native configuration, bootstrap is ok
1364 yes:$build:$build:yes)
1367 # Other configurations, but we have a compiler. Assume the user knows
1370 AC_MSG_WARN([trying to bootstrap a cross compiler])
1373 # No compiler: if they passed --enable-bootstrap explicitly, fail
1375 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1377 # Fail if wrong command line
1379 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1383 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1384 # C++98 compiler can still start the bootstrap.
1385 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1386 CXX="$CXX -std=gnu++98"
1389 # Used for setting $lt_cv_objdir
1392 # Check for GMP, MPFR and MPC
1393 gmplibs="-lmpc -lmpfr -lgmp"
1397 # Specify a location for mpc
1398 # check for this first so it ends up on the link line before mpfr.
1400 [AS_HELP_STRING([--with-mpc=PATH],
1401 [specify prefix directory for installed MPC package.
1402 Equivalent to --with-mpc-include=PATH/include
1403 plus --with-mpc-lib=PATH/lib])])
1404 AC_ARG_WITH(mpc-include,
1405 [AS_HELP_STRING([--with-mpc-include=PATH],
1406 [specify directory for installed MPC include files])])
1407 AC_ARG_WITH(mpc-lib,
1408 [AS_HELP_STRING([--with-mpc-lib=PATH],
1409 [specify directory for the installed MPC library])])
1411 if test "x$with_mpc" != x; then
1412 gmplibs="-L$with_mpc/lib $gmplibs"
1413 gmpinc="-I$with_mpc/include $gmpinc"
1415 if test "x$with_mpc_include" != x; then
1416 gmpinc="-I$with_mpc_include $gmpinc"
1418 if test "x$with_mpc_lib" != x; then
1419 gmplibs="-L$with_mpc_lib $gmplibs"
1421 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1422 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1423 gmpinc='-I$$s/mpc/src '"$gmpinc"
1424 # Do not test the mpc version. Assume that it is sufficient, since
1425 # it is in the source tree, and the library has not been built yet
1426 # but it would be included on the link line in the version check below
1427 # hence making the test fail.
1431 # Specify a location for mpfr
1432 # check for this first so it ends up on the link line before gmp.
1433 AC_ARG_WITH(mpfr-dir,
1434 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1435 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1436 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1439 [AS_HELP_STRING([--with-mpfr=PATH],
1440 [specify prefix directory for installed MPFR package.
1441 Equivalent to --with-mpfr-include=PATH/include
1442 plus --with-mpfr-lib=PATH/lib])])
1443 AC_ARG_WITH(mpfr-include,
1444 [AS_HELP_STRING([--with-mpfr-include=PATH],
1445 [specify directory for installed MPFR include files])])
1446 AC_ARG_WITH(mpfr-lib,
1447 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1448 [specify directory for the installed MPFR library])])
1450 if test "x$with_mpfr" != x; then
1451 gmplibs="-L$with_mpfr/lib $gmplibs"
1452 gmpinc="-I$with_mpfr/include $gmpinc"
1454 if test "x$with_mpfr_include" != x; then
1455 gmpinc="-I$with_mpfr_include $gmpinc"
1457 if test "x$with_mpfr_lib" != x; then
1458 gmplibs="-L$with_mpfr_lib $gmplibs"
1460 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1461 # MPFR v3.1.0 moved the sources into a src sub-directory.
1462 if ! test -d ${srcdir}/mpfr/src; then
1464 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1466 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1467 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1468 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1469 # Do not test the mpfr version. Assume that it is sufficient, since
1470 # it is in the source tree, and the library has not been built yet
1471 # but it would be included on the link line in the version check below
1472 # hence making the test fail.
1476 # Specify a location for gmp
1477 AC_ARG_WITH(gmp-dir,
1478 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1479 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1480 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1483 [AS_HELP_STRING([--with-gmp=PATH],
1484 [specify prefix directory for the installed GMP package.
1485 Equivalent to --with-gmp-include=PATH/include
1486 plus --with-gmp-lib=PATH/lib])])
1487 AC_ARG_WITH(gmp-include,
1488 [AS_HELP_STRING([--with-gmp-include=PATH],
1489 [specify directory for installed GMP include files])])
1490 AC_ARG_WITH(gmp-lib,
1491 [AS_HELP_STRING([--with-gmp-lib=PATH],
1492 [specify directory for the installed GMP library])])
1495 if test "x$with_gmp" != x; then
1496 gmplibs="-L$with_gmp/lib $gmplibs"
1497 gmpinc="-I$with_gmp/include $gmpinc"
1499 if test "x$with_gmp_include" != x; then
1500 gmpinc="-I$with_gmp_include $gmpinc"
1502 if test "x$with_gmp_lib" != x; then
1503 gmplibs="-L$with_gmp_lib $gmplibs"
1505 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1506 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1507 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1508 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1509 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1510 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1511 # Do not test the gmp version. Assume that it is sufficient, since
1512 # it is in the source tree, and the library has not been built yet
1513 # but it would be included on the link line in the version check below
1514 # hence making the test fail.
1518 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1520 saved_CFLAGS="$CFLAGS"
1521 CFLAGS="$CFLAGS $gmpinc"
1522 # Check for the recommended and required versions of GMP.
1523 AC_MSG_CHECKING([for the correct version of gmp.h])
1524 AC_TRY_COMPILE([#include "gmp.h"],[
1525 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1526 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1527 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1530 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1531 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1532 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1533 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1536 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1537 [AC_MSG_RESULT([no]); have_gmp=no])
1539 # If we have GMP, check the MPFR version.
1540 if test x"$have_gmp" = xyes; then
1541 # Check for the recommended and required versions of MPFR.
1542 AC_MSG_CHECKING([for the correct version of mpfr.h])
1543 AC_TRY_COMPILE([#include <gmp.h>
1544 #include <mpfr.h>],[
1545 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1548 ], [AC_TRY_COMPILE([#include <gmp.h>
1549 #include <mpfr.h>],[
1550 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1553 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1554 [AC_MSG_RESULT([no]); have_gmp=no])
1557 # Check for the MPC header version.
1558 if test x"$have_gmp" = xyes ; then
1559 # Check for the recommended and required versions of MPC.
1560 AC_MSG_CHECKING([for the correct version of mpc.h])
1561 AC_TRY_COMPILE([#include <mpc.h>],[
1562 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1565 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1566 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1569 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1570 [AC_MSG_RESULT([no]); have_gmp=no])
1573 # Now check the MPFR library.
1574 if test x"$have_gmp" = xyes; then
1576 LIBS="$LIBS $gmplibs"
1577 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1578 AC_TRY_LINK([#include <mpc.h>],[
1585 mpfr_atan2 (n, n, x, GMP_RNDN);
1586 mpfr_erfc (n, x, GMP_RNDN);
1587 mpfr_subnormalize (x, t, GMP_RNDN);
1591 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1592 mpc_cosh (c, c, MPC_RNDNN);
1593 mpc_pow (c, c, c, MPC_RNDNN);
1594 mpc_acosh (c, c, MPC_RNDNN);
1596 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1600 CFLAGS="$saved_CFLAGS"
1602 # The library versions listed in the error message below should match
1603 # the HARD-minimums enforced above.
1604 if test x$have_gmp != xyes; then
1605 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1606 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1607 their locations. Source code for these libraries can be found at
1608 their respective hosting sites as well as at
1609 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1610 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1611 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1612 make sure that you have installed both the libraries and the header
1613 files. They may be located in separate packages.])
1617 # Flags needed for both GMP, MPFR and/or MPC.
1620 AC_SUBST(extra_mpfr_configure_flags)
1621 AC_SUBST(extra_mpc_gmp_configure_flags)
1622 AC_SUBST(extra_mpc_mpfr_configure_flags)
1623 AC_SUBST(extra_isl_gmp_configure_flags)
1625 # Libraries to use for stage1 or when not bootstrapping.
1626 AC_ARG_WITH(stage1-libs,
1627 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1628 [if test "$withval" = "no" -o "$withval" = "yes"; then
1631 stage1_libs=$withval
1634 AC_SUBST(stage1_libs)
1636 # Linker flags to use for stage1 or when not bootstrapping.
1637 AC_ARG_WITH(stage1-ldflags,
1638 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1639 [if test "$withval" = "no" -o "$withval" = "yes"; then
1642 stage1_ldflags=$withval
1645 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1646 # if supported. But if the user explicitly specified the libraries to use,
1647 # trust that they are doing what they want.
1648 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1649 stage1_ldflags="-static-libstdc++ -static-libgcc"
1651 AC_SUBST(stage1_ldflags)
1653 # Libraries to use for stage2 and later builds.
1654 AC_ARG_WITH(boot-libs,
1655 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1656 [if test "$withval" = "no" -o "$withval" = "yes"; then
1659 poststage1_libs=$withval
1662 AC_SUBST(poststage1_libs)
1664 # Linker flags to use for stage2 and later builds.
1665 AC_ARG_WITH(boot-ldflags,
1666 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1667 [linker flags for stage2 and later])],
1668 [if test "$withval" = "no" -o "$withval" = "yes"; then
1671 poststage1_ldflags=$withval
1673 [poststage1_ldflags=
1674 # In stages 2 and 3, default to linking libstdc++ and libgcc
1675 # statically. But if the user explicitly specified the libraries to
1676 # use, trust that they are doing what they want.
1677 if test "$poststage1_libs" = ""; then
1678 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1680 AC_SUBST(poststage1_ldflags)
1682 # GCC GRAPHITE dependency isl.
1683 # Basic setup is inlined here, actual checks are in config/isl.m4
1688 [Specify prefix directory for the installed isl package.
1689 Equivalent to --with-isl-include=PATH/include
1690 plus --with-isl-lib=PATH/lib])])
1692 # Treat --without-isl as a request to disable
1693 # GRAPHITE support and skip all following checks.
1694 if test "x$with_isl" != "xno"; then
1696 dnl Provide configure switches and initialize islinc & isllibs
1697 dnl with user input.
1699 dnl The versions of isl that work for Graphite
1701 dnl Only execute fail-action, if isl has been requested.
1703 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1706 # If the isl check failed, disable builds of in-tree variant of isl
1707 if test "x$with_isl" = xno ||
1708 test "x$gcc_cv_isl" = xno; then
1709 noconfigdirs="$noconfigdirs isl"
1716 # Check for LTO support.
1718 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1719 enable_lto=$enableval,
1720 enable_lto=yes; default_enable_lto=yes)
1722 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1723 build_lto_plugin=yes
1724 ],[if test x"$default_enable_lto" = x"yes" ; then
1726 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
1727 # On other non-ELF platforms, LTO has yet to be validated.
1731 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1732 # It would also be nice to check the binutils support, but we don't
1733 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1734 # warn during gcc/ subconfigure; unless you're bootstrapping with
1735 # -flto it won't be needed until after installation anyway.
1737 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1738 *) if test x"$enable_lto" = x"yes"; then
1739 AC_MSG_ERROR([LTO support is not enabled for this target.])
1744 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1745 # Build it unless LTO was explicitly disabled.
1747 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1752 AC_ARG_ENABLE(linker-plugin-configure-flags,
1753 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1754 [additional flags for configuring linker plugins @<:@none@:>@])],
1755 extra_linker_plugin_configure_flags=$enableval,
1756 extra_linker_plugin_configure_flags=)
1757 AC_SUBST(extra_linker_plugin_configure_flags)
1758 AC_ARG_ENABLE(linker-plugin-flags,
1759 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1760 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1761 extra_linker_plugin_flags=$enableval,
1762 extra_linker_plugin_flags=)
1763 AC_SUBST(extra_linker_plugin_flags)
1766 # By default, C and C++ are the only stage 1 languages.
1767 stage1_languages=,c,
1769 # Target libraries that we bootstrap.
1770 bootstrap_target_libs=,target-libgcc,
1772 # Figure out what language subdirectories are present.
1773 # Look if the user specified --enable-languages="..."; if not, use
1774 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1776 # NB: embedded tabs in this IF block -- do not untabify
1777 if test -d ${srcdir}/gcc; then
1778 if test x"${enable_languages+set}" != xset; then
1779 if test x"${LANGUAGES+set}" = xset; then
1780 enable_languages="${LANGUAGES}"
1781 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1783 enable_languages=all
1786 if test x"${enable_languages}" = x ||
1787 test x"${enable_languages}" = xyes;
1789 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1793 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1795 # 'f95' is the old name for the 'fortran' language. We issue a warning
1796 # and make the substitution.
1797 case ,${enable_languages}, in
1799 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1800 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1804 # If bootstrapping, C++ must be enabled.
1805 case ",$enable_languages,:$enable_bootstrap" in
1808 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1809 enable_languages="${enable_languages},c++"
1811 AC_MSG_ERROR([bootstrapping requires c++ sources])
1816 # First scan to see if an enabled language requires some other language.
1817 # We assume that a given config-lang.in will list all the language
1818 # front ends it requires, even if some are required indirectly.
1819 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1820 case ${lang_frag} in
1822 # The odd quoting in the next line works around
1823 # an apparent bug in bash 1.12 on linux.
1824 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1826 # From the config-lang.in, get $language, $lang_requires, and
1827 # $lang_requires_boot_languages.
1830 lang_requires_boot_languages=
1832 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1833 case ,${enable_languages}, in
1837 echo " \`$other' language required by \`$language'; enabling" 1>&2
1838 enable_languages="${enable_languages},${other}"
1842 for other in ${lang_requires_boot_languages} ; do
1843 if test "$other" != "c"; then
1844 case ,${enable_stage1_languages}, in
1848 case ,${enable_languages}, in
1850 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1851 enable_stage1_languages="$enable_stage1_languages,${other}"
1862 new_enable_languages=,c,
1864 # If LTO is enabled, add the LTO front end.
1865 if test "$enable_lto" = "yes" ; then
1866 case ,${enable_languages}, in
1868 *) enable_languages="${enable_languages},lto" ;;
1870 if test "${build_lto_plugin}" = "yes" ; then
1871 configdirs="$configdirs lto-plugin"
1875 # If we're building an offloading compiler, add the LTO front end.
1876 if test x"$enable_as_accelerator_for" != x ; then
1877 case ,${enable_languages}, in
1879 *) enable_languages="${enable_languages},lto" ;;
1883 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1884 potential_languages=,c,
1886 enabled_target_libs=
1887 disabled_target_libs=
1889 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1890 case ${lang_frag} in
1892 # The odd quoting in the next line works around
1893 # an apparent bug in bash 1.12 on linux.
1894 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1896 # From the config-lang.in, get $language, $target_libs,
1897 # $lang_dirs, $boot_language, and $build_by_default
1903 build_by_default=yes
1905 if test x${language} = x; then
1906 echo "${lang_frag} doesn't set \$language." 1>&2
1910 if test "$language" = "c++"; then
1915 case ,${enable_languages}, in
1917 # Language was explicitly selected; include it
1918 # unless it is C, which is enabled by default.
1919 if test "$language" != "c"; then
1924 # 'all' was selected, select it if it is a default language
1925 if test "$language" != "c"; then
1926 add_this_lang=${build_by_default}
1931 # Disable languages that need other directories if these aren't available.
1932 for i in $subdir_requires; do
1933 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1934 case ,${enable_languages}, in
1936 # Specifically requested language; tell them.
1937 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1941 add_this_lang=unsupported
1946 # Disable Ada if no preexisting GNAT is available.
1947 case ,${enable_languages},:${language}:${have_gnat} in
1948 *,${language},*:ada:no)
1949 # Specifically requested language; tell them.
1950 AC_MSG_ERROR([GNAT is required to build $language])
1954 add_this_lang=unsupported
1958 # Disable a language that is unsupported by the target.
1959 case " $unsupported_languages " in
1961 add_this_lang=unsupported
1965 case $add_this_lang in
1967 # Remove language-dependent dirs.
1968 disabled_target_libs="$disabled_target_libs $target_libs"
1969 noconfigdirs="$noconfigdirs $lang_dirs"
1972 # Remove language-dependent dirs; still show language as supported.
1973 disabled_target_libs="$disabled_target_libs $target_libs"
1974 noconfigdirs="$noconfigdirs $lang_dirs"
1975 potential_languages="${potential_languages}${language},"
1978 new_enable_languages="${new_enable_languages}${language},"
1979 potential_languages="${potential_languages}${language},"
1980 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1981 enabled_target_libs="$enabled_target_libs $target_libs"
1982 case "${boot_language}:,$enable_stage1_languages," in
1983 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1984 # Add to (comma-separated) list of stage 1 languages.
1985 case ",$stage1_languages," in
1986 *,$language,* | ,yes, | ,all,) ;;
1987 *) stage1_languages="${stage1_languages}${language}," ;;
1989 # We need to bootstrap any supporting libraries.
1990 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1999 # Add target libraries which are only needed for disabled languages
2001 if test -n "$disabled_target_libs"; then
2002 for dir in $disabled_target_libs; do
2003 case " $enabled_target_libs " in
2005 *) noconfigdirs="$noconfigdirs $dir" ;;
2010 AC_ARG_ENABLE(stage1-languages,
2011 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2012 [choose additional languages to build during
2013 stage1. Mostly useful for compiler development])],
2014 [case ,${enable_stage1_languages}, in
2016 # Set it to something that will have no effect in the loop below
2017 enable_stage1_languages=c ;;
2019 enable_stage1_languages=`echo $new_enable_languages | \
2020 sed -e "s/^,//" -e "s/,$//" ` ;;
2022 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2023 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2026 # Add "good" languages from enable_stage1_languages to stage1_languages,
2027 # while "bad" languages go in missing_languages. Leave no duplicates.
2028 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2029 case $potential_languages in
2031 case $stage1_languages in
2033 *) stage1_languages="$stage1_languages$i," ;;
2036 case $missing_languages in
2038 *) missing_languages="$missing_languages$i," ;;
2043 # Remove leading/trailing commas that were added for simplicity
2044 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2045 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2046 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2047 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2049 if test "x$missing_languages" != x; then
2051 The following requested languages could not be built: ${missing_languages}
2052 Supported languages are: ${potential_languages}])
2054 if test "x$new_enable_languages" != "x$enable_languages"; then
2055 echo The following languages will be built: ${new_enable_languages}
2056 enable_languages="$new_enable_languages"
2059 AC_SUBST(stage1_languages)
2060 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2063 # Handle --disable-<component> generically.
2064 for dir in $configdirs $build_configdirs $target_configdirs ; do
2065 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2066 varname=`echo $dirname | sed -e s/+/_/g`
2067 if eval test x\${enable_${varname}} "=" xno ; then
2068 noconfigdirs="$noconfigdirs $dir"
2072 # Check for Boehm's garbage collector
2073 AC_ARG_ENABLE(objc-gc,
2074 [AS_HELP_STRING([--enable-objc-gc],
2075 [enable use of Boehm's garbage collector with the
2076 GNU Objective-C runtime])])
2077 AC_ARG_WITH([target-bdw-gc],
2078 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2079 [specify prefix directory for installed bdw-gc package.
2080 Equivalent to --with-target-bdw-gc-include=PATH/include
2081 plus --with-target-bdw-gc-lib=PATH/lib])])
2082 AC_ARG_WITH([target-bdw-gc-include],
2083 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2084 [specify directories for installed bdw-gc include files])])
2085 AC_ARG_WITH([target-bdw-gc-lib],
2086 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2087 [specify directories for installed bdw-gc library])])
2089 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2090 AC_MSG_CHECKING([for bdw garbage collector])
2091 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2092 dnl no bdw-gw options, assume default locations
2093 AC_MSG_RESULT([using bdw-gc in default locations])
2095 dnl bdw-gw options, first error checking, complete checking in libobjc
2096 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2097 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2098 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2099 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2101 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2106 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2107 case ,${enable_languages}, in
2109 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2110 case "${noconfigdirs}" in
2111 *target-libstdc++-v3*)
2112 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2118 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2122 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2123 # $build_configdirs and $target_configdirs.
2124 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2127 for dir in . $skipdirs $noconfigdirs ; do
2128 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2129 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2130 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2131 if test -r $srcdir/$dirname/configure ; then
2132 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2135 notsupp="$notsupp $dir"
2139 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2140 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2141 if test -r $srcdir/$dirname/configure ; then
2142 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2145 notsupp="$notsupp $dir"
2149 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2150 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2151 if test -r $srcdir/$dirname/configure ; then
2152 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2155 notsupp="$notsupp $dir"
2161 # Quietly strip out all directories which aren't configurable in this tree.
2162 # This relies on all configurable subdirectories being autoconfiscated, which
2164 build_configdirs_all="$build_configdirs"
2166 for i in ${build_configdirs_all} ; do
2167 j=`echo $i | sed -e s/build-//g`
2168 if test -f ${srcdir}/$j/configure ; then
2169 build_configdirs="${build_configdirs} $i"
2173 configdirs_all="$configdirs"
2175 for i in ${configdirs_all} ; do
2176 if test -f ${srcdir}/$i/configure ; then
2177 configdirs="${configdirs} $i"
2181 target_configdirs_all="$target_configdirs"
2183 for i in ${target_configdirs_all} ; do
2184 j=`echo $i | sed -e s/target-//g`
2185 if test -f ${srcdir}/$j/configure ; then
2186 target_configdirs="${target_configdirs} $i"
2190 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2191 # so we have to add it after the preceding checks.
2192 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2194 case " $configdirs " in
2196 # If we can build libiberty, we can also build libiberty-linker-plugin.
2197 configdirs="$configdirs libiberty-linker-plugin"
2198 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2199 --with-libiberty=../libiberty-linker-plugin";;
2201 AC_MSG_ERROR([libiberty missing]);;
2205 # Sometimes we have special requirements for the host libiberty.
2206 extra_host_libiberty_configure_flags=
2207 extra_host_zlib_configure_flags=
2208 case " $configdirs " in
2209 *" lto-plugin "* | *" libcc1 "*)
2210 # When these are to be built as shared libraries, the same applies to
2212 extra_host_libiberty_configure_flags=--enable-shared
2215 # When bfd is to be built as a shared library, the same applies to
2217 if test "$enable_shared" = "yes"; then
2218 extra_host_zlib_configure_flags=--enable-host-shared
2222 AC_SUBST(extra_host_libiberty_configure_flags)
2223 AC_SUBST(extra_host_zlib_configure_flags)
2225 # Produce a warning message for the subdirs we can't configure.
2226 # This isn't especially interesting in the Cygnus tree, but in the individual
2227 # FSF releases, it's important to let people know when their machine isn't
2228 # supported by the one or two programs in a package.
2230 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2231 # If $appdirs is non-empty, at least one of those directories must still
2232 # be configured, or we error out. (E.g., if the gas release supports a
2233 # specified target in some subdirs but not the gas subdir, we shouldn't
2234 # pretend that all is well.)
2235 if test -n "$appdirs" ; then
2236 for dir in $appdirs ; do
2237 if test -r $dir/Makefile.in ; then
2238 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2242 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2248 if test -n "$appdirs" ; then
2249 echo "*** This configuration is not supported by this package." 1>&2
2253 # Okay, some application will build, or we don't care to check. Still
2254 # notify of subdirs not getting built.
2255 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2256 echo " ${notsupp}" 1>&2
2257 echo " (Any other directories should still work fine.)" 1>&2
2265 # To find our prefix, in gcc_cv_tool_prefix.
2270 AC_ARG_WITH([build-sysroot],
2271 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2272 [use sysroot as the system root during the build])],
2273 [if test x"$withval" != x ; then
2274 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2276 [SYSROOT_CFLAGS_FOR_TARGET=])
2277 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2279 AC_ARG_WITH([debug-prefix-map],
2280 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2281 [map A to B, C to D ... in debug information])],
2282 [if test x"$withval" != x; then
2283 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2284 for debug_map in $withval; do
2285 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2288 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2289 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2291 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2292 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2293 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2294 # We want to ensure that TARGET libraries (which we know are built with
2295 # gcc) are built with "-O2 -g", so include those options when setting
2296 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2297 if test "x$CFLAGS_FOR_TARGET" = x; then
2298 if test "x${is_cross_compiler}" = xyes; then
2299 CFLAGS_FOR_TARGET="-g -O2"
2301 CFLAGS_FOR_TARGET=$CFLAGS
2304 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2307 *" -g "* | *" -g3 "*) ;;
2308 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2312 AC_SUBST(CFLAGS_FOR_TARGET)
2314 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2315 if test "x${is_cross_compiler}" = xyes; then
2316 CXXFLAGS_FOR_TARGET="-g -O2"
2318 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2319 case " $CXXFLAGS " in
2321 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2323 case " $CXXFLAGS " in
2324 *" -g "* | *" -g3 "*) ;;
2325 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2329 AC_SUBST(CXXFLAGS_FOR_TARGET)
2331 AC_SUBST(LDFLAGS_FOR_TARGET)
2333 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2334 # the named directory are copied to $(tooldir)/sys-include.
2335 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2336 if test x${is_cross_compiler} = xno ; then
2337 echo 1>&2 '***' --with-headers is only supported when cross compiling
2340 if test x"${with_headers}" != xyes ; then
2341 x=${gcc_cv_tool_prefix}
2342 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2346 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2347 # the name directories are copied to $(tooldir)/lib. Multiple directories
2349 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2350 if test x${is_cross_compiler} = xno ; then
2351 echo 1>&2 '***' --with-libs is only supported when cross compiling
2354 if test x"${with_libs}" != xyes ; then
2355 # Copy the libraries in reverse order, so that files in the first named
2356 # library override files in subsequent libraries.
2357 x=${gcc_cv_tool_prefix}
2358 for l in ${with_libs}; do
2359 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2364 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2366 # This is done by determining whether or not the appropriate directory
2367 # is available, and by checking whether or not specific configurations
2368 # have requested that this magic not happen.
2370 # The command line options always override the explicit settings in
2371 # configure.ac, and the settings in configure.ac override this magic.
2373 # If the default for a toolchain is to use GNU as and ld, and you don't
2374 # want to do that, then you should use the --without-gnu-as and
2375 # --without-gnu-ld options for the configure script. Similarly, if
2376 # the default is to use the included zlib and you don't want to do that,
2377 # you should use the --with-system-zlib option for the configure script.
2379 if test x${use_gnu_as} = x &&
2380 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2382 extra_host_args="$extra_host_args --with-gnu-as"
2385 if test x${use_gnu_ld} = x &&
2386 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2388 extra_host_args="$extra_host_args --with-gnu-ld"
2391 if test x${use_included_zlib} = x &&
2392 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2395 with_system_zlib=yes
2396 extra_host_args="$extra_host_args --with-system-zlib"
2399 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2400 # can detect this case.
2402 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2404 extra_host_args="$extra_host_args --with-newlib"
2407 # Handle ${copy_dirs}
2408 set fnord ${copy_dirs}
2410 while test $# != 0 ; do
2411 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2414 echo Copying $1 to $2
2416 # Use the install script to create the directory and all required
2417 # parent directories.
2418 if test -d $2 ; then
2422 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2425 # Copy the directory, assuming we have tar.
2426 # FIXME: Should we use B in the second tar? Not all systems support it.
2427 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2429 # It is the responsibility of the user to correctly adjust all
2430 # symlinks. If somebody can figure out how to handle them correctly
2431 # here, feel free to add the code.
2438 # Determine a target-dependent exec_prefix that the installed
2439 # gcc will search in. Keep this list sorted by triplet, with
2440 # the *-*-osname triplets last.
2443 i[[34567]]86-pc-msdosdjgpp*)
2444 md_exec_prefix=/dev/env/DJDIR/bin
2449 md_exec_prefix=/usr/ccs/bin
2453 extra_arflags_for_target=
2454 extra_nmflags_for_target=
2455 extra_ranlibflags_for_target=
2456 target_makefile_frag=/dev/null
2459 target_makefile_frag="config/mt-spu"
2461 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2462 target_makefile_frag="config/mt-sde"
2464 mipsisa*-*-elfoabi*)
2465 target_makefile_frag="config/mt-mips-elfoabi"
2467 mips*-*-*linux* | mips*-*-gnu*)
2468 target_makefile_frag="config/mt-mips-gnu"
2471 target_makefile_frag="config/mt-nios2-elf"
2473 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2474 target_makefile_frag="config/mt-gnu"
2476 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2477 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2478 # commands to handle both 32-bit and 64-bit objects. These flags are
2479 # harmless if we're using GNU nm or ar.
2480 extra_arflags_for_target=" -X32_64"
2481 extra_nmflags_for_target=" -B -X32_64"
2485 alphaieee_frag=/dev/null
2488 # This just makes sure to use the -mieee option to build target libs.
2489 # This should probably be set individually by each library.
2490 alphaieee_frag="config/mt-alphaieee"
2494 # If --enable-target-optspace always use -Os instead of -O2 to build
2495 # the target libraries, similarly if it is not specified, use -Os
2496 # on selected platforms.
2497 ospace_frag=/dev/null
2498 case "${enable_target_optspace}:${target}" in
2500 ospace_frag="config/mt-ospace"
2503 ospace_frag="config/mt-d30v"
2505 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2506 ospace_frag="config/mt-ospace"
2511 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2515 # Some systems (e.g., one of the i386-aix systems the gas testers are
2516 # using) don't handle "\$" correctly, so don't use it here.
2517 tooldir='${exec_prefix}'/${target_noncanonical}
2518 build_tooldir=${tooldir}
2520 # Create a .gdbinit file which runs the one in srcdir
2521 # and tells GDB to look there for source files.
2523 if test -r ${srcdir}/.gdbinit ; then
2526 *) cat > ./.gdbinit <<EOF
2530 source ${srcdir}/.gdbinit
2536 # Make sure that the compiler is able to generate an executable. If it
2537 # can't, we are probably in trouble. We don't care whether we can run the
2538 # executable--we might be using a cross compiler--we only care whether it
2539 # can be created. At this point the main configure script has set CC.
2541 echo "int main () { return 0; }" > conftest.c
2542 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2543 if test $? = 0 ; then
2544 if test -s conftest || test -s conftest.exe ; then
2550 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2551 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2558 # Decide which environment variable is used to find dynamic libraries.
2560 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2561 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2562 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2563 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2566 # On systems where the dynamic library environment variable is PATH,
2567 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2568 # built executables to PATH.
2569 if test "$RPATH_ENVVAR" = PATH; then
2570 GCC_SHLIB_SUBDIR=/shlib
2575 # Adjust the toplevel makefile according to whether bootstrap was selected.
2576 case $enable_bootstrap in
2578 bootstrap_suffix=bootstrap
2579 BUILD_CONFIG=bootstrap-debug
2582 bootstrap_suffix=no-bootstrap
2587 AC_MSG_CHECKING(for default BUILD_CONFIG)
2589 AC_ARG_WITH([build-config],
2590 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2591 [use config/NAME.mk build configuration])],
2592 [case $with_build_config in
2593 yes) with_build_config= ;;
2594 no) with_build_config= BUILD_CONFIG= ;;
2597 if test "x${with_build_config}" != x; then
2598 BUILD_CONFIG=$with_build_config
2600 case $BUILD_CONFIG in
2602 if echo "int f (void) { return 0; }" > conftest.c &&
2603 ${CC} -c conftest.c &&
2604 mv conftest.o conftest.o.g0 &&
2605 ${CC} -c -g conftest.c &&
2606 mv conftest.o conftest.o.g &&
2607 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2612 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2616 AC_MSG_RESULT($BUILD_CONFIG)
2617 AC_SUBST(BUILD_CONFIG)
2619 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2620 AC_MSG_CHECKING([for --enable-vtable-verify])
2621 AC_ARG_ENABLE(vtable-verify,
2622 [AS_HELP_STRING([--enable-vtable-verify],
2623 [Enable vtable verification feature])],
2624 [case "$enableval" in
2625 yes) enable_vtable_verify=yes ;;
2626 no) enable_vtable_verify=no ;;
2627 *) enable_vtable_verify=no;;
2629 [enable_vtable_verify=no])
2630 AC_MSG_RESULT($enable_vtable_verify)
2632 # Record target_configdirs and the configure arguments for target and
2633 # build configuration in Makefile.
2634 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2635 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2636 bootstrap_fixincludes=no
2638 # If we are building libgomp, bootstrap it.
2639 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2640 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2643 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2644 # or bootstrap-ubsan, bootstrap it.
2645 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2646 case "$BUILD_CONFIG" in
2647 *bootstrap-asan* | *bootstrap-ubsan* )
2648 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2649 bootstrap_fixincludes=yes
2654 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2655 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2656 test "$enable_vtable_verify" != no; then
2657 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2660 # If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx,
2662 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2663 case "$BUILD_CONFIG" in
2665 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2670 # Determine whether gdb needs tk/tcl or not.
2671 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2672 # and in that case we want gdb to be built without tk. Ugh!
2673 # In fact I believe gdb is the *only* package directly dependent on tk,
2674 # so we should be able to put the 'maybe's in unconditionally and
2675 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2676 # 100% sure that that's safe though.
2678 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2679 case "$enable_gdbtk" in
2683 GDB_TK="${gdb_tk}" ;;
2685 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2686 # distro. Eventually someone will fix this and move Insight, nee
2687 # gdbtk to a separate directory.
2688 if test -d ${srcdir}/gdb/gdbtk ; then
2695 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2696 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2698 # Strip out unwanted targets.
2700 # While at that, we remove Makefiles if we were started for recursive
2701 # configuration, so that the top-level Makefile reconfigures them,
2702 # like we used to do when configure itself was recursive.
2704 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2705 # but now we're fixing up the Makefile ourselves with the additional
2706 # commands passed to AC_CONFIG_FILES. Use separate variables
2707 # extrasub-{build,host,target} not because there is any reason to split
2708 # the substitutions up that way, but only to remain below the limit of
2709 # 99 commands in a script, for HP-UX sed.
2710 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2712 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2713 yes:yes:*\ gold\ *:*,c++,*) ;;
2714 yes:yes:*\ gold\ *:*)
2715 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2720 for module in ${build_configdirs} ; do
2721 if test -z "${no_recursion}" \
2722 && test -f ${build_subdir}/${module}/Makefile; then
2723 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2724 rm -f ${build_subdir}/${module}/Makefile
2726 extrasub_build="$extrasub_build
2727 /^@if build-$module\$/d
2728 /^@endif build-$module\$/d
2729 /^@if build-$module-$bootstrap_suffix\$/d
2730 /^@endif build-$module-$bootstrap_suffix\$/d"
2733 for module in ${configdirs} ; do
2734 if test -z "${no_recursion}"; then
2735 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2736 if test -f ${file}; then
2737 echo 1>&2 "*** removing ${file} to force reconfigure"
2742 case ${module},${bootstrap_fixincludes} in
2743 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2744 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2746 extrasub_host="$extrasub_host
2748 /^@endif $module\$/d
2749 /^@if $module-$host_bootstrap_suffix\$/d
2750 /^@endif $module-$host_bootstrap_suffix\$/d"
2753 for module in ${target_configdirs} ; do
2754 if test -z "${no_recursion}" \
2755 && test -f ${target_subdir}/${module}/Makefile; then
2756 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2757 rm -f ${target_subdir}/${module}/Makefile
2760 # We only bootstrap target libraries listed in bootstrap_target_libs.
2761 case $bootstrap_target_libs in
2762 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2763 *) target_bootstrap_suffix=no-bootstrap ;;
2766 extrasub_target="$extrasub_target
2767 /^@if target-$module\$/d
2768 /^@endif target-$module\$/d
2769 /^@if target-$module-$target_bootstrap_suffix\$/d
2770 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2773 # Do the final fixup along with target modules.
2774 extrasub_target="$extrasub_target
2775 /^@if /,/^@endif /d"
2777 # Create the serialization dependencies. This uses a temporary file.
2779 AC_ARG_ENABLE([serial-configure],
2780 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2781 [force sequential configuration of
2782 sub-packages for the host, target or build
2783 machine, or all sub-packages])])
2785 case ${enable_serial_configure} in
2787 enable_serial_build_configure=yes
2788 enable_serial_host_configure=yes
2789 enable_serial_target_configure=yes
2793 # These force 'configure's to be done one at a time, to avoid problems
2794 # with contention over a shared config.cache.
2796 echo '# serdep.tmp' > serdep.tmp
2798 test "x${enable_serial_build_configure}" = xyes &&
2799 for item in ${build_configdirs} ; do
2802 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2807 test "x${enable_serial_host_configure}" = xyes &&
2808 for item in ${configdirs} ; do
2811 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2816 test "x${enable_serial_target_configure}" = xyes &&
2817 for item in ${target_configdirs} ; do
2820 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2824 serialization_dependencies=serdep.tmp
2825 AC_SUBST_FILE(serialization_dependencies)
2827 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2828 # target, nonopt, and variable assignments. These are the ones we
2829 # might not want to pass down to subconfigures. The exception being
2830 # --cache-file=/dev/null, which is used to turn off the use of cache
2831 # files altogether, and which should be passed on to subconfigures.
2832 # Also strip program-prefix, program-suffix, and program-transform-name,
2833 # so that we can pass down a consistent program-transform-name.
2838 eval "set -- $ac_configure_args"
2841 if test X"$skip_next" = X"yes"; then
2845 if test X"$keep_next" = X"yes"; then
2848 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2850 baseargs="$baseargs '$ac_arg'"
2851 tbaseargs="$tbaseargs '$ac_arg'"
2856 # Handle separated arguments. Based on the logic generated by
2859 *=* | --config-cache | -C | -disable-* | --disable-* \
2860 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2861 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2862 | -with-* | --with-* | -without-* | --without-* | --x)
2876 --with-* | --without-*)
2877 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2881 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2884 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2893 mpc | mpfr | gmp | isl)
2894 # If we're processing --with-$lib, --with-$lib-include or
2895 # --with-$lib-lib, for one of the libs above, and target is
2896 # different from host, don't pass the current argument to any
2897 # target library's configure.
2898 if test x$is_cross_compiler = xyes; then
2907 --cache-file=/dev/null | \
2908 -cache-file=/dev/null )
2909 # Handled here to avoid the test to skip args below.
2910 baseargs="$baseargs '$ac_arg'"
2911 tbaseargs="$tbaseargs '$ac_arg'"
2912 # Assert: $separate_arg should always be no.
2913 keep_next=$separate_arg
2929 -program-prefix* | \
2930 -program-suffix* | \
2931 -program-transform-name* )
2932 skip_next=$separate_arg
2936 # An option. Add it.
2939 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2941 baseargs="$baseargs '$ac_arg'"
2942 if test X"$skip_targ" = Xno; then
2943 tbaseargs="$tbaseargs '$ac_arg'"
2945 keep_next=$separate_arg
2948 # Either a variable assignment, or a nonopt (triplet). Don't
2949 # pass it down; let the Makefile handle this.
2954 # Remove the initial space we just introduced and, as these will be
2955 # expanded by make, quote '$'.
2956 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2958 # Add in --program-transform-name, after --program-prefix and
2959 # --program-suffix have been applied to it. Autoconf has already
2960 # doubled dollar signs and backslashes in program_transform_name; we want
2961 # the backslashes un-doubled, and then the entire thing wrapped in single
2962 # quotes, because this will be expanded first by make and then by the shell.
2963 # Also, because we want to override the logic in subdir configure scripts to
2964 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2965 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2966 ${program_transform_name}
2968 gcc_transform_name=`cat conftestsed.out`
2969 rm -f conftestsed.out
2970 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2971 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2972 if test "$silent" = yes; then
2973 baseargs="$baseargs --silent"
2974 tbaseargs="$tbaseargs --silent"
2976 baseargs="$baseargs --disable-option-checking"
2977 tbaseargs="$tbaseargs --disable-option-checking"
2979 # Record and document user additions to sub configure arguments.
2980 AC_ARG_VAR([build_configargs],
2981 [additional configure arguments for build directories])
2982 AC_ARG_VAR([host_configargs],
2983 [additional configure arguments for host directories])
2984 AC_ARG_VAR([target_configargs],
2985 [additional configure arguments for target directories])
2987 # For the build-side libraries, we just need to pretend we're native,
2988 # and not use the same cache file. Multilibs are neither needed nor
2989 # desired. We can't even use the same cache file for all build-side
2990 # libraries, as they're compiled differently; some with C, some with
2991 # C++ or with different feature-enabling options.
2992 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
2994 # For host modules, accept cache file option, or specification as blank.
2995 case "${cache_file}" in
2997 cache_file_option="" ;;
2998 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2999 cache_file_option="--cache-file=${cache_file}" ;;
3001 cache_file_option="--cache-file=../${cache_file}" ;;
3004 # Host dirs don't like to share a cache file either, horribly enough.
3005 # This seems to be due to autoconf 2.5x stupidity.
3006 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3008 target_configargs="$target_configargs ${tbaseargs}"
3010 # Passing a --with-cross-host argument lets the target libraries know
3011 # whether they are being built with a cross-compiler or being built
3012 # native. However, it would be better to use other mechanisms to make the
3013 # sorts of decisions they want to make on this basis. Please consider
3014 # this option to be deprecated. FIXME.
3015 if test x${is_cross_compiler} = xyes ; then
3016 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3019 # Special user-friendly check for native x86_64-linux build, if
3020 # multilib is not explicitly enabled.
3021 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3022 x86_64-*linux*:yes:$build:$build:)
3023 # Make sure we have a development environment that handles 32-bit
3025 echo "int main () { return 0; }" > conftest.c
3026 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3027 if test $? = 0 ; then
3028 if test -s conftest || test -s conftest.exe ; then
3033 if test x${dev64} != xyes ; then
3034 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.])
3039 # Default to --enable-multilib.
3040 if test x${enable_multilib} = x ; then
3041 target_configargs="--enable-multilib ${target_configargs}"
3044 # Pass --with-newlib if appropriate. Note that target_configdirs has
3045 # changed from the earlier setting of with_newlib.
3046 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3047 target_configargs="--with-newlib ${target_configargs}"
3050 # Different target subdirs use different values of certain variables
3051 # (notably CXX). Worse, multilibs use *lots* of different values.
3052 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3053 # it doesn't automatically accept command-line overrides of them.
3054 # This means it's not safe for target subdirs to share a cache file,
3055 # which is disgusting, but there you have it. Hopefully this can be
3056 # fixed in future. It's still worthwhile to use a cache file for each
3057 # directory. I think.
3059 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3060 # We need to pass --target, as newer autoconf's requires consistency
3061 # for target_alias and gcc doesn't manage it consistently.
3062 target_configargs="--cache-file=./config.cache ${target_configargs}"
3065 case " $target_configdirs " in
3067 case " $target_configargs " in
3068 *" --with-newlib "*)
3071 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3075 # If we're not building GCC, don't discard standard headers.
3076 if test -d ${srcdir}/gcc; then
3077 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3079 if test "${build}" != "${host}"; then
3080 # On Canadian crosses, CC_FOR_TARGET will have already been set
3081 # by `configure', so we won't have an opportunity to add -Bgcc/
3082 # to it. This is right: we don't want to search that directory
3083 # for binaries, but we want the header files in there, so add
3085 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3087 # Someone might think of using the pre-installed headers on
3088 # Canadian crosses, in case the installed compiler is not fully
3089 # compatible with the compiler being built. In this case, it
3090 # would be better to flag an error than risking having
3091 # incompatible object files being constructed. We can't
3092 # guarantee that an error will be flagged, but let's hope the
3093 # compiler will do it, when presented with incompatible header
3098 case "${target}-${is_cross_compiler}" in
3099 i[[3456789]]86-*-linux*-no)
3100 # Here host == target, so we don't need to build gcc,
3101 # so we don't want to discard standard headers.
3102 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3105 # If we're building newlib, use its generic headers last, but search
3106 # for any libc-related directories first (so make it the last -B
3108 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3110 # If we're building libgloss, find the startup file, simulator library
3111 # and linker script.
3112 case " $target_configdirs " in
3114 # Look for startup file, simulator library and maybe linker script.
3115 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3116 # Look for libnosys.a in case the target needs it.
3117 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3118 # Most targets have the linker script in the source directory.
3119 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3130 x86_64-*mingw* | *-w64-mingw*)
3131 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3132 # however, use a symlink named 'mingw' in ${prefix} .
3133 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3136 # MinGW can't be handled as Cygwin above since it does not use newlib.
3137 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3141 # Allow the user to override the flags for
3142 # our build compiler if desired.
3143 if test x"${build}" = x"${host}" ; then
3144 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3145 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3146 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3149 # On Canadian crosses, we'll be searching the right directories for
3150 # the previously-installed cross compiler, so don't bother to add
3151 # flags for directories within the install tree of the compiler
3152 # being built; programs in there won't even run.
3153 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3154 # Search for pre-installed headers if nothing else fits.
3155 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3158 if test "x${use_gnu_ld}" = x &&
3159 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3160 # Arrange for us to find uninstalled linker scripts.
3161 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3164 # Search for other target-specific linker scripts and such.
3167 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3171 # Makefile fragments.
3172 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3174 eval fragval=\$$frag
3175 if test $fragval != /dev/null; then
3176 eval $frag=${srcdir}/$fragval
3179 AC_SUBST_FILE(host_makefile_frag)
3180 AC_SUBST_FILE(target_makefile_frag)
3181 AC_SUBST_FILE(alphaieee_frag)
3182 AC_SUBST_FILE(ospace_frag)
3184 # Miscellanea: directories, flags, etc.
3185 AC_SUBST(RPATH_ENVVAR)
3186 AC_SUBST(GCC_SHLIB_SUBDIR)
3188 AC_SUBST(build_tooldir)
3189 AC_SUBST(CONFIGURE_GDB_TK)
3191 AC_SUBST(INSTALL_GDB_TK)
3193 # Build module lists & subconfigure args.
3194 AC_SUBST(build_configargs)
3195 AC_SUBST(build_configdirs)
3197 # Host module lists & subconfigure args.
3198 AC_SUBST(host_configargs)
3199 AC_SUBST(configdirs)
3200 AC_SUBST(target_configdirs)
3202 # Target module lists & subconfigure args.
3203 AC_SUBST(target_configargs)
3207 AC_SUBST(AR_FOR_BUILD)
3208 AC_SUBST(AS_FOR_BUILD)
3209 AC_SUBST(CC_FOR_BUILD)
3210 AC_SUBST(CFLAGS_FOR_BUILD)
3211 AC_SUBST(CXXFLAGS_FOR_BUILD)
3212 AC_SUBST(CXX_FOR_BUILD)
3213 AC_SUBST(DLLTOOL_FOR_BUILD)
3214 AC_SUBST(GFORTRAN_FOR_BUILD)
3215 AC_SUBST(GOC_FOR_BUILD)
3216 AC_SUBST(LDFLAGS_FOR_BUILD)
3217 AC_SUBST(LD_FOR_BUILD)
3218 AC_SUBST(NM_FOR_BUILD)
3219 AC_SUBST(RANLIB_FOR_BUILD)
3220 AC_SUBST(WINDMC_FOR_BUILD)
3221 AC_SUBST(WINDRES_FOR_BUILD)
3223 # Generate default definitions for YACC, M4, LEX and other programs that run
3224 # on the build machine. These are used if the Makefile can't locate these
3225 # programs in objdir.
3226 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3228 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3229 case " $build_configdirs " in
3230 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3233 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3234 case " $build_configdirs " in
3235 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3238 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3239 case " $build_configdirs " in
3240 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3243 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3244 case " $build_configdirs " in
3245 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3246 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3249 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3250 case " $build_configdirs " in
3251 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3254 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3255 case " $build_configdirs " in
3256 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3259 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3260 # higher, else we use the "missing" dummy.
3261 if ${MAKEINFO} --version \
3262 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3265 MAKEINFO="$MISSING makeinfo"
3271 # FIXME: expect and dejagnu may become build tools?
3273 AC_CHECK_PROGS(EXPECT, expect, expect)
3274 case " $configdirs " in
3276 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3280 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3281 case " $configdirs " in
3283 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3289 NCN_STRICT_CHECK_TOOLS(AR, ar)
3290 NCN_STRICT_CHECK_TOOLS(AS, as)
3291 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3292 NCN_STRICT_CHECK_TOOLS(LD, ld)
3293 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3294 NCN_STRICT_CHECK_TOOLS(NM, nm)
3295 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3296 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3297 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3298 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3299 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3300 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3301 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3308 AC_ARG_WITH([build-time-tools],
3309 [AS_HELP_STRING([--with-build-time-tools=PATH],
3310 [use given path to find target tools during the build])],
3311 [case x"$withval" in
3314 with_build_time_tools=
3315 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3318 [with_build_time_tools=])
3320 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3321 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3322 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3323 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3324 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3326 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3327 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3328 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3329 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3330 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3331 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3332 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3333 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3334 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3335 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3336 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3337 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3338 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3340 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3342 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3343 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3344 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3345 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3346 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3347 [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],
3349 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3350 [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],
3352 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3353 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3354 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3355 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3356 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3357 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3358 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3359 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3360 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3361 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3362 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3363 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3364 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3365 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3366 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3367 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3369 AC_SUBST(FLAGS_FOR_TARGET)
3370 AC_SUBST(RAW_CXX_FOR_TARGET)
3372 # Certain tools may need extra flags.
3373 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3374 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3375 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3377 # When building target libraries, except in a Canadian cross, we use
3378 # the same toolchain as the compiler we just built.
3379 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3380 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3381 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3382 if test $host = $build; then
3383 case " $configdirs " in
3385 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3386 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3387 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3392 AC_SUBST(COMPILER_AS_FOR_TARGET)
3393 AC_SUBST(COMPILER_LD_FOR_TARGET)
3394 AC_SUBST(COMPILER_NM_FOR_TARGET)
3396 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3397 AC_ARG_ENABLE(maintainer-mode,
3398 [AS_HELP_STRING([--enable-maintainer-mode],
3399 [enable make rules and dependencies not useful
3400 (and sometimes confusing) to the casual installer])],
3401 USE_MAINTAINER_MODE=$enableval,
3402 USE_MAINTAINER_MODE=no)
3403 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3404 AC_SUBST(MAINTAINER_MODE_TRUE)
3405 AC_SUBST(MAINTAINER_MODE_FALSE)
3406 if test "$USE_MAINTAINER_MODE" = yes; then
3407 MAINTAINER_MODE_TRUE=
3408 MAINTAINER_MODE_FALSE='#'
3410 MAINTAINER_MODE_TRUE='#'
3411 MAINTAINER_MODE_FALSE=
3413 MAINT=$MAINTAINER_MODE_TRUE
3416 # ---------------------
3417 # GCC bootstrap support
3418 # ---------------------
3420 # Stage specific cflags for build.
3425 yes) stage1_cflags="-g -Wa,-J" ;;
3426 *) stage1_cflags="-g -J" ;;
3430 AC_SUBST(stage1_cflags)
3432 # Enable --enable-checking in stage1 of the compiler.
3433 AC_ARG_ENABLE(stage1-checking,
3434 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3435 [choose additional checking for stage1 of the compiler])],
3436 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3437 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3438 # For --disable-checking or implicit --enable-checking=release, avoid
3439 # setting --enable-checking=gc in the default stage1 checking for LTO
3440 # bootstraps. See PR62077.
3441 case $BUILD_CONFIG in
3443 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3445 stage1_checking=--enable-checking=yes,types;;
3447 if test "x$enable_checking" = x && \
3448 test -d ${srcdir}/gcc && \
3449 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3450 stage1_checking=--enable-checking=yes,types,extra
3453 stage1_checking=--enable-checking=$enable_checking,types
3455 AC_SUBST(stage1_checking)
3457 # Enable -Werror in bootstrap stage2 and later.
3458 AC_ARG_ENABLE(werror,
3459 [AS_HELP_STRING([--enable-werror],
3460 [enable -Werror in bootstrap stage2 and later])], [],
3461 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3466 case ${enable_werror} in
3467 yes) stage2_werror_flag="--enable-werror-always" ;;
3468 *) stage2_werror_flag="" ;;
3470 AC_SUBST(stage2_werror_flag)
3472 # Enable --enable-host-shared.
3473 AC_ARG_ENABLE(host-shared,
3474 [AS_HELP_STRING([--enable-host-shared],
3475 [build host code as shared libraries])],
3476 [host_shared=$enableval], [host_shared=no])
3477 AC_SUBST(host_shared)
3479 # PR jit/64780: Require the user to explicitly specify
3480 # --enable-host-shared if the jit is enabled, hinting
3481 # that they might want to do a separate configure/build of
3482 # the jit, to avoid users from slowing down the rest of the
3483 # compiler by enabling the jit.
3484 if test ${host_shared} = "no" ; then
3485 case "${enable_languages}" in
3488 Enabling language "jit" requires --enable-host-shared.
3490 --enable-host-shared typically slows the rest of the compiler down by
3491 a few %, so you must explicitly enable it.
3493 If you want to build both the jit and the regular compiler, it is often
3494 best to do this via two separate configure/builds, in separate
3495 directories, to avoid imposing the performance cost of
3496 --enable-host-shared on the regular compiler.])
3503 # Specify what files to not compare during bootstrap.
3505 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3507 hppa*64*-*-hpux*) ;;
3508 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3509 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3511 AC_SUBST(compare_exclusions)
3513 AC_CONFIG_FILES([Makefile],
3514 [sed "$extrasub_build" Makefile |
3515 sed "$extrasub_host" |
3516 sed "$extrasub_target" > mf$$
3517 mv -f mf$$ Makefile],
3518 [extrasub_build="$extrasub_build"
3519 extrasub_host="$extrasub_host"
3520 extrasub_target="$extrasub_target"])