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 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 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
154 target-libbacktrace \
159 target-liboffloadmic \
162 target-libstdc++-v3 \
163 target-libsanitizer \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list.
181 target_tools="target-rda"
183 ################################################################################
185 ## All tools belong in one of the four categories, and are assigned above
186 ## We assign ${configdirs} this way to remove all embedded newlines. This
187 ## is important because configure will choke if they ever get through.
188 ## ${configdirs} is directories we build using the host tools.
189 ## ${target_configdirs} is directories we build using the target tools.
190 configdirs=`echo ${host_libs} ${host_tools}`
191 target_configdirs=`echo ${target_libraries} ${target_tools}`
192 build_configdirs=`echo ${build_libs} ${build_tools}`
194 m4_divert_text([PARSE_ARGS],
197 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199 m4_popdef([AS_MESSAGE_LOG_FD])dnl
202 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
222 # Be sure to cover against remnants of an in-tree build.
223 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225 Use a pristine source tree when building in a separate tree])
228 # Skipdirs are removed silently.
230 # Noconfigdirs are removed loudly.
234 # Make sure we don't let GNU ld be added if we didn't want it.
235 if test x$with_gnu_ld = xno ; then
237 noconfigdirs="$noconfigdirs ld gold"
241 # Make sure we don't let GNU as be added if we didn't want it.
242 if test x$with_gnu_as = xno ; then
244 noconfigdirs="$noconfigdirs gas"
248 # Make sure we don't let ZLIB be added if we didn't want it.
249 if test x$with_system_zlib = xyes ; then
251 noconfigdirs="$noconfigdirs zlib"
254 # some tools are so dependent upon X11 that if we're not building with X,
255 # it's not even worth trying to configure, much less build, that tool.
258 yes | "") ;; # the default value for this tree is that X11 is available
260 skipdirs="${skipdirs} tk itcl libgui"
261 # We won't be able to build gdbtk without X.
264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267 # Some are only suitable for cross toolchains.
268 # Remove these if host=target.
269 cross_only="target-libgloss target-newlib target-opcodes"
271 case $is_cross_compiler in
272 no) skipdirs="${skipdirs} ${cross_only}" ;;
275 # If both --with-headers and --with-libs are specified, default to
277 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
279 if test x"${with_newlib}" = x ; then
284 # Recognize --with-newlib/--without-newlib.
285 case ${with_newlib} in
286 no) skipdirs="${skipdirs} target-newlib" ;;
287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290 AC_ARG_ENABLE(as-accelerator-for,
291 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
292 [build as offload target compiler.
293 Specify offload host triple by ARG])])
295 AC_ARG_ENABLE(offload-targets,
296 [AS_HELP_STRING([--enable-offload-targets=LIST],
297 [enable offloading to devices from comma-separated LIST of
298 TARGET[=DIR]. Use optional path to find offload target compiler
301 if test x"$enable_offload_targets" = x; then
302 AC_MSG_ERROR([no offload targets specified])
304 ], [enable_offload_targets=])
306 # Handle --enable-gold, --enable-ld.
307 # --disable-gold [--enable-ld]
308 # Build only ld. Default option.
309 # --enable-gold [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold", install ld
311 # as "ld.bfd" and "ld".
312 # --enable-gold=default [--enable-ld]
313 # Build both gold and ld. Install gold as "ld.gold" and "ld",
314 # install ld as "ld.bfd".
315 # --enable-gold[=default] --disable-ld
316 # Build only gold, which is then installed as both "ld.gold" and "ld".
317 # --enable-gold --enable-ld=default
318 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
320 # In other words, ld is default
321 # --enable-gold=default --enable-ld=default
326 [AS_HELP_STRING([[--enable-gold[=ARG]]],
327 [build gold @<:@ARG={default,yes,no}@:>@])],
328 ENABLE_GOLD=$enableval,
330 case "${ENABLE_GOLD}" in
332 # Check for ELF target.
335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
338 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
340 *-*-linux*aout* | *-*-linux*oldld*)
348 if test "$is_elf" = "yes"; then
349 # Check for target supported by gold.
351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
352 | aarch64*-*-* | tilegx*-*-*)
353 configdirs="$configdirs gold"
354 if test x${ENABLE_GOLD} = xdefault; then
365 AC_MSG_ERROR([invalid --enable-gold argument])
370 [AS_HELP_STRING([[--enable-ld[=ARG]]],
371 [build ld @<:@ARG={default,yes,no}@:>@])],
372 ENABLE_LD=$enableval,
375 case "${ENABLE_LD}" in
377 if test x${default_ld} != x; then
378 AC_MSG_ERROR([either gold or ld can be the default ld])
384 if test x${ENABLE_GOLD} != xyes; then
385 AC_MSG_WARN([neither ld nor gold are enabled])
387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
390 AC_MSG_ERROR([invalid --enable-ld argument])
394 # Configure extra directories which are host specific
398 configdirs="$configdirs libtermcap" ;;
401 # A target can indicate whether a language isn't supported for some reason.
402 # Only spaces may be used in this macro; not newlines or tabs.
403 unsupported_languages=
405 # Remove more programs from consideration, based on the host or
406 # target this usually means that a port of the program doesn't
410 i[[3456789]]86-*-msdosdjgpp*)
411 noconfigdirs="$noconfigdirs tcl tk itcl"
416 AC_ARG_ENABLE(libquadmath,
417 AS_HELP_STRING([--disable-libquadmath],
418 [do not build libquadmath directory]),
419 ENABLE_LIBQUADMATH=$enableval,
420 ENABLE_LIBQUADMATH=yes)
421 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
422 noconfigdirs="$noconfigdirs target-libquadmath"
426 AC_ARG_ENABLE(libquadmath-support,
427 AS_HELP_STRING([--disable-libquadmath-support],
428 [disable libquadmath support for Fortran]),
429 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
430 ENABLE_LIBQUADMATH_SUPPORT=yes)
431 enable_libquadmath_support=
432 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
433 enable_libquadmath_support=no
437 AC_ARG_ENABLE(libada,
438 [AS_HELP_STRING([--enable-libada], [build libada directory])],
439 ENABLE_LIBADA=$enableval,
441 if test "${ENABLE_LIBADA}" != "yes" ; then
442 noconfigdirs="$noconfigdirs gnattools"
445 AC_ARG_ENABLE(libssp,
446 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
447 ENABLE_LIBSSP=$enableval,
450 AC_ARG_ENABLE(libstdcxx,
451 AS_HELP_STRING([--disable-libstdcxx],
452 [do not build libstdc++-v3 directory]),
453 ENABLE_LIBSTDCXX=$enableval,
454 ENABLE_LIBSTDCXX=default)
455 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
456 noconfigdirs="$noconfigdirs target-libstdc++-v3"
459 # If this is accelerator compiler and its target is intelmic we enable
460 # target liboffloadmic by default. If this is compiler with offloading
461 # for intelmic we enable host liboffloadmic by default. Otherwise
462 # liboffloadmic is disabled by default.
463 AC_ARG_ENABLE([liboffloadmic],
464 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
465 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
466 [case "$enableval" in
468 enable_liboffloadmic=$enableval ;;
470 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
472 [if test x"$enable_as_accelerator_for" != x; then
474 *-intelmic-* | *-intelmicemul-*)
475 enable_liboffloadmic=target
476 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
479 enable_liboffloadmic=no
483 case "${enable_offload_targets}" in
484 *-intelmic-* | *-intelmicemul-*)
485 enable_liboffloadmic=host
486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
489 enable_liboffloadmic=no
493 AC_SUBST(extra_liboffloadmic_configure_flags)
495 # Save it here so that, even in case of --enable-libgcj, if the Java
496 # front-end isn't enabled, we still get libgcj disabled.
498 case $enable_libgcj in
500 # If we reset it here, it won't get added to noconfigdirs in the
501 # target-specific build rules, so it will be forcibly enabled
502 # (unless the Java language itself isn't enabled).
506 # Make sure we get it printed in the list of not supported target libs.
507 # Don't disable libffi, though, other languages use it.
508 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
509 # Clear libgcj_saved so that even if java is enabled libffi won't be
515 AC_ARG_ENABLE(static-libjava,
516 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
517 [build static libjava @<:@default=no@:>@])],
518 ENABLE_STATIC_LIBJAVA=$enableval,
519 ENABLE_STATIC_LIBJAVA=no)
520 enable_static_libjava=
521 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
522 enable_static_libjava=yes
525 if test x$enable_static_libjava != xyes ; then
526 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
528 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
530 # Disable libgomp on non POSIX hosted systems.
531 if test x$enable_libgomp = x ; then
532 # Enable libgomp by default on hosted POSIX systems.
534 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
536 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
538 *-*-solaris2* | *-*-hpux11*)
540 *-*-darwin* | *-*-aix*)
543 noconfigdirs="$noconfigdirs target-libgomp"
548 # Disable libatomic on unsupported systems.
549 if test -d ${srcdir}/libatomic; then
550 if test x$enable_libatomic = x; then
551 AC_MSG_CHECKING([for libatomic support])
552 if (srcdir=${srcdir}/libatomic; \
553 . ${srcdir}/configure.tgt; \
554 test -n "$UNSUPPORTED")
557 noconfigdirs="$noconfigdirs target-libatomic"
564 # Disable libcilkrts on unsupported systems.
565 if test -d ${srcdir}/libcilkrts; then
566 if test x$enable_libcilkrts = x; then
567 AC_MSG_CHECKING([for libcilkrts support])
568 if (srcdir=${srcdir}/libcilkrts; \
569 . ${srcdir}/configure.tgt; \
570 test -n "$UNSUPPORTED")
573 noconfigdirs="$noconfigdirs target-libcilkrts"
580 # Disable liboffloadmic on unsupported systems.
581 if test -d ${srcdir}/liboffloadmic; then
582 if test x$enable_liboffloadmic != xno; then
583 AC_MSG_CHECKING([for liboffloadmic support])
584 if (srcdir=${srcdir}/liboffloadmic; \
585 . ${srcdir}/configure.tgt; \
586 test -n "$UNSUPPORTED")
589 noconfigdirs="$noconfigdirs target-liboffloadmic"
596 # Disable libitm on unsupported systems.
597 if test -d ${srcdir}/libitm; then
598 if test x$enable_libitm = x; then
599 AC_MSG_CHECKING([for libitm support])
600 if (srcdir=${srcdir}/libitm; \
601 . ${srcdir}/configure.tgt; \
602 test -n "$UNSUPPORTED")
605 noconfigdirs="$noconfigdirs target-libitm"
612 # Disable libsanitizer on unsupported systems.
613 if test -d ${srcdir}/libsanitizer; then
614 if test x$enable_libsanitizer = x; then
615 AC_MSG_CHECKING([for libsanitizer support])
616 if (srcdir=${srcdir}/libsanitizer; \
617 . ${srcdir}/configure.tgt; \
618 test -n "$UNSUPPORTED")
621 noconfigdirs="$noconfigdirs target-libsanitizer"
628 # Disable libvtv on unsupported systems.
629 if test -d ${srcdir}/libvtv; then
630 if test x$enable_libvtv = x; then
631 AC_MSG_CHECKING([for libvtv support])
632 if (srcdir=${srcdir}/libvtv; \
633 . ${srcdir}/configure.tgt; \
634 test "$VTV_SUPPORTED" != "yes")
637 noconfigdirs="$noconfigdirs target-libvtv"
645 # Enable libmpx on supported systems by request.
646 if test -d ${srcdir}/libmpx; then
647 if test x$enable_libmpx = xyes; then
648 AC_MSG_CHECKING([for libmpx support])
649 if (srcdir=${srcdir}/libmpx; \
650 . ${srcdir}/configure.tgt; \
651 test "$LIBMPX_SUPPORTED" != "yes")
654 noconfigdirs="$noconfigdirs target-libmpx"
659 noconfigdirs="$noconfigdirs target-libmpx"
665 # Disable libquadmath for some systems.
668 noconfigdirs="$noconfigdirs target-libquadmath"
670 # libquadmath is unused on AIX and libquadmath build process use of
671 # LD_LIBRARY_PATH can break AIX bootstrap.
672 powerpc-*-aix* | rs6000-*-aix*)
673 noconfigdirs="$noconfigdirs target-libquadmath"
677 # Disable libssp for some systems.
680 # No hosted I/O support.
681 noconfigdirs="$noconfigdirs target-libssp"
683 powerpc-*-aix* | rs6000-*-aix*)
684 noconfigdirs="$noconfigdirs target-libssp"
687 # libssp uses a misaligned load to trigger a fault, but the RL78
688 # doesn't fault for those - instead, it gives a build-time error
689 # for explicit misaligned loads.
690 noconfigdirs="$noconfigdirs target-libssp"
693 # No hosted I/O support.
694 noconfigdirs="$noconfigdirs target-libssp"
698 # Disable libstdc++-v3 for some systems.
699 # Allow user to override this if they pass --enable-libstdc++-v3
700 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
703 # VxWorks uses the Dinkumware C++ library.
704 noconfigdirs="$noconfigdirs target-libstdc++-v3"
707 # the C++ libraries don't build on top of CE's C libraries
708 noconfigdirs="$noconfigdirs target-libstdc++-v3"
711 noconfigdirs="$noconfigdirs target-libstdc++-v3"
716 # Disable Fortran for some systems.
719 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
720 unsupported_languages="$unsupported_languages fortran"
724 # Disable Java if libffi is not supported.
756 powerpc-*-aix* | rs6000-*-aix*)
760 powerpc64-*-freebsd*)
764 s390-*-* | s390x-*-*)
766 sh-*-* | sh[[34]]*-*-*)
775 unsupported_languages="$unsupported_languages java"
779 # Disable Java, libgcj or related libraries for some systems.
783 i[[3456789]]86-*-darwin*)
785 x86_64-*-darwin[[912]]*)
788 noconfigdirs="$noconfigdirs ${libgcj}"
791 noconfigdirs="$noconfigdirs ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj}"
803 noconfigdirs="$noconfigdirs ${libgcj}"
806 noconfigdirs="$noconfigdirs ${libgcj}"
809 noconfigdirs="$noconfigdirs ${libgcj}"
812 noconfigdirs="$noconfigdirs ${libgcj}"
815 noconfigdirs="$noconfigdirs ${libgcj}"
818 noconfigdirs="$noconfigdirs target-boehm-gc"
820 cris-*-* | crisv32-*-*)
821 unsupported_languages="$unsupported_languages java"
825 *) # See PR46792 regarding target-libffi.
826 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
830 # In this case, it's because the hppa64-linux target is for
831 # the kernel only at this point and has no libc, and thus no
832 # headers, crt*.o, etc., all of which are needed by these.
833 unsupported_languages="$unsupported_languages java"
836 noconfigdirs="$noconfigdirs ${libgcj}"
841 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
842 # build on HP-UX 10.20.
843 noconfigdirs="$noconfigdirs ${libgcj}"
846 noconfigdirs="$noconfigdirs ${libgcj}"
848 i[[3456789]]86-w64-mingw*)
849 noconfigdirs="$noconfigdirs ${libgcj}"
851 i[[3456789]]86-*-mingw*)
852 noconfigdirs="$noconfigdirs ${libgcj}"
855 noconfigdirs="$noconfigdirs ${libgcj}"
858 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
861 # copied from rs6000-*-* entry
862 noconfigdirs="$noconfigdirs ${libgcj}"
865 noconfigdirs="$noconfigdirs ${libgcj}"
868 noconfigdirs="$noconfigdirs ${libgcj}"
872 # Disable the go frontend on systems where it is known to not work. Please keep
873 # this in sync with contrib/config-list.mk.
875 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
876 unsupported_languages="$unsupported_languages go"
880 # Disable libgo for some systems where it is known to not work.
881 # For testing, you can easily override this with --enable-libgo.
882 if test x$enable_libgo = x; then
886 noconfigdirs="$noconfigdirs target-libgo"
888 *-*-cygwin* | *-*-mingw*)
889 noconfigdirs="$noconfigdirs target-libgo"
892 noconfigdirs="$noconfigdirs target-libgo"
897 # Default libgloss CPU subdirectory.
898 libgloss_dir="$target_cpu"
901 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
910 cris-*-* | crisv32-*-*)
919 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
936 # Disable newlib and libgloss for various target OSes.
939 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
941 i[[3456789]]86-*-linux*)
942 # This section makes it possible to build newlib natively on linux.
943 # If we are using a cross compiler then don't configure newlib.
944 if test x${is_cross_compiler} != xno ; then
945 noconfigdirs="$noconfigdirs target-newlib"
947 noconfigdirs="$noconfigdirs target-libgloss"
948 # If we are not using a cross compiler, do configure newlib.
949 # Note however, that newlib will only be configured in this situation
950 # if the --with-newlib option has been given, because otherwise
951 # 'target-newlib' will appear in skipdirs.
953 i[[3456789]]86-*-rdos*)
954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 sh*-*-pe|mips*-*-pe|arm-wince-pe)
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
960 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
963 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
969 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
975 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
978 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
981 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
987 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
990 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
999 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1007 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1008 noconfigdirs="$noconfigdirs sim target-rda"
1010 i[[3456789]]86-*-darwin*)
1011 noconfigdirs="$noconfigdirs ld gprof"
1012 noconfigdirs="$noconfigdirs sim target-rda"
1014 x86_64-*-darwin[[912]]*)
1015 noconfigdirs="$noconfigdirs ld gas gprof"
1016 noconfigdirs="$noconfigdirs sim target-rda"
1019 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1020 noconfigdirs="$noconfigdirs sim target-rda"
1025 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1026 && test -f /usr/local/include/gmp.h; then
1031 # Remove unsupported stuff on all kaOS configurations.
1032 noconfigdirs="$noconfigdirs target-libgloss"
1039 noconfigdirs="$noconfigdirs target-libgloss"
1040 # this is not caught below because this stanza matches earlier
1042 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1045 # The tpf target doesn't support gdb yet.
1047 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1050 noconfigdirs="$noconfigdirs target-rda"
1055 # ld works, but does not support shared libraries.
1056 # gas doesn't generate exception information.
1057 noconfigdirs="$noconfigdirs gas ld"
1060 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1063 # newlib is not 64 bit ready
1064 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1066 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1067 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1070 noconfigdirs="$noconfigdirs target-libgloss"
1073 noconfigdirs="$noconfigdirs target-libgloss"
1076 noconfigdirs="$noconfigdirs ld target-libgloss"
1081 if test x${with_avrlibc} != xno; then
1082 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1085 c4x-*-* | tic4x-*-*)
1086 noconfigdirs="$noconfigdirs target-libgloss"
1089 noconfigdirs="$noconfigdirs target-libgloss gdb"
1092 noconfigdirs="$noconfigdirs target-libgloss"
1095 noconfigdirs="$noconfigdirs gdb"
1098 noconfigdirs="$noconfigdirs gdb"
1101 noconfigdirs="$noconfigdirs gprof"
1104 noconfigdirs="$noconfigdirs target-libgloss"
1107 noconfigdirs="$noconfigdirs target-libgloss"
1109 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1117 hppa*-*-openbsd* | \
1121 noconfigdirs="$noconfigdirs ld"
1126 noconfigdirs="$noconfigdirs ld"
1129 noconfigdirs="$noconfigdirs gdb"
1132 # No gdb support yet.
1133 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1136 # No ld support yet.
1137 noconfigdirs="$noconfigdirs libgui itcl ld"
1140 # No ld support yet.
1141 noconfigdirs="$noconfigdirs libgui itcl ld"
1143 i[[3456789]]86-w64-mingw*)
1145 i[[3456789]]86-*-mingw*)
1146 target_configdirs="$target_configdirs target-winsup"
1149 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1150 noconfigdirs="$noconfigdirs target-libgloss"
1151 # always build newlib if winsup directory is present.
1152 if test -d "$srcdir/winsup/cygwin"; then
1153 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1154 elif test -d "$srcdir/newlib"; then
1155 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1158 i[[3456789]]86-*-pe)
1159 noconfigdirs="$noconfigdirs target-libgloss"
1161 i[[3456789]]86-*-sco3.2v5*)
1162 # The linker does not yet know about weak symbols in COFF,
1163 # and is not configured to handle mixed ELF and COFF.
1164 noconfigdirs="$noconfigdirs ld target-libgloss"
1166 i[[3456789]]86-*-sco*)
1167 noconfigdirs="$noconfigdirs gprof target-libgloss"
1169 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1170 noconfigdirs="$noconfigdirs target-libgloss"
1172 i[[3456789]]86-*-sysv4*)
1173 noconfigdirs="$noconfigdirs target-libgloss"
1175 i[[3456789]]86-*-beos*)
1176 noconfigdirs="$noconfigdirs gdb"
1178 i[[3456789]]86-*-rdos*)
1179 noconfigdirs="$noconfigdirs gdb"
1182 noconfigdirs="$noconfigdirs gdb"
1185 noconfigdirs="$noconfigdirs sim"
1188 # copied from rs6000-*-* entry
1189 noconfigdirs="$noconfigdirs gprof"
1191 powerpc*-*-winnt* | powerpc*-*-pe*)
1192 target_configdirs="$target_configdirs target-winsup"
1193 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1194 # always build newlib.
1195 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1197 # This is temporary until we can link against shared libraries
1198 powerpcle-*-solaris*)
1199 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1202 noconfigdirs="$noconfigdirs gdb"
1205 noconfigdirs="$noconfigdirs gprof"
1208 noconfigdirs="$noconfigdirs gprof"
1211 noconfigdirs="$noconfigdirs gprof"
1214 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1217 noconfigdirs="$noconfigdirs gprof"
1219 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1220 if test x$with_newlib = xyes; then
1221 noconfigdirs="$noconfigdirs gprof"
1225 noconfigdirs="$noconfigdirs gprof target-libgloss"
1228 noconfigdirs="$noconfigdirs gprof target-libgloss"
1231 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1235 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1236 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1237 noconfigdirs="$noconfigdirs ld gas gprof"
1240 noconfigdirs="$noconfigdirs gprof"
1243 noconfigdirs="$noconfigdirs gdb"
1246 # nvptx is just a compiler
1247 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1250 noconfigdirs="$noconfigdirs gdb"
1257 noconfigdirs="$noconfigdirs target-libgloss" ;;
1261 if test x${is_cross_compiler} = xno ; then
1266 noconfigdirs="$noconfigdirs sim"
1268 tilepro*-*-* | tilegx*-*-*)
1269 noconfigdirs="$noconfigdirs sim"
1272 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1275 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1279 # If we aren't building newlib, then don't build libgloss, since libgloss
1280 # depends upon some newlib header files.
1281 case "${noconfigdirs}" in
1282 *target-libgloss*) ;;
1283 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1286 # Work in distributions that contain no compiler tools, like Autoconf.
1287 host_makefile_frag=/dev/null
1288 if test -d ${srcdir}/config ; then
1290 i[[3456789]]86-*-msdosdjgpp*)
1291 host_makefile_frag="config/mh-djgpp"
1294 ACX_CHECK_CYGWIN_CAT_WORKS
1295 host_makefile_frag="config/mh-cygwin"
1298 host_makefile_frag="config/mh-mingw"
1301 host_makefile_frag="config/mh-alpha-linux"
1304 host_makefile_frag="config/mh-pa-hpux10"
1307 host_makefile_frag="config/mh-pa"
1310 host_makefile_frag="config/mh-pa"
1313 host_makefile_frag="config/mh-darwin"
1316 host_makefile_frag="config/mh-ppc-aix"
1319 host_makefile_frag="config/mh-ppc-aix"
1324 if test "${build}" != "${host}" ; then
1325 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1326 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1327 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1328 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1329 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1330 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1331 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1332 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1333 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1334 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1335 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1336 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1337 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1339 AR_FOR_BUILD="\$(AR)"
1340 AS_FOR_BUILD="\$(AS)"
1341 CC_FOR_BUILD="\$(CC)"
1342 CXX_FOR_BUILD="\$(CXX)"
1343 GCJ_FOR_BUILD="\$(GCJ)"
1344 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1345 GOC_FOR_BUILD="\$(GOC)"
1346 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1347 LD_FOR_BUILD="\$(LD)"
1348 NM_FOR_BUILD="\$(NM)"
1349 RANLIB_FOR_BUILD="\$(RANLIB)"
1350 WINDRES_FOR_BUILD="\$(WINDRES)"
1351 WINDMC_FOR_BUILD="\$(WINDMC)"
1357 # We must set the default linker to the linker used by gcc for the correct
1358 # operation of libtool. If LD is not defined and we are using gcc, try to
1359 # set the LD default to the ld used by gcc.
1360 if test -z "$LD"; then
1361 if test "$GCC" = yes; then
1364 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1366 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1368 case $gcc_prog_ld in
1369 # Accept absolute paths.
1370 [[\\/]* | [A-Za-z]:[\\/]*)]
1371 LD="$gcc_prog_ld" ;;
1376 # Check whether -static-libstdc++ -static-libgcc is supported.
1378 if test "$GCC" = yes; then
1379 saved_LDFLAGS="$LDFLAGS"
1381 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1382 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1385 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1386 #error -static-libstdc++ not implemented
1389 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1390 [AC_MSG_RESULT([no])])
1393 LDFLAGS="$saved_LDFLAGS"
1397 ACX_PROG_CMP_IGNORE_INITIAL
1399 AC_ARG_ENABLE([bootstrap],
1400 [AS_HELP_STRING([--enable-bootstrap],
1401 [enable bootstrapping @<:@yes if native build@:>@])],,
1402 enable_bootstrap=default)
1404 # Issue errors and warnings for invalid/strange bootstrap combinations.
1405 if test -r $srcdir/gcc/configure; then
1411 case "$have_compiler:$host:$target:$enable_bootstrap" in
1414 # Default behavior. Enable bootstrap if we have a compiler
1415 # and we are in a native configuration.
1416 yes:$build:$build:default)
1417 enable_bootstrap=yes ;;
1420 enable_bootstrap=no ;;
1422 # We have a compiler and we are in a native configuration, bootstrap is ok
1423 yes:$build:$build:yes)
1426 # Other configurations, but we have a compiler. Assume the user knows
1429 AC_MSG_WARN([trying to bootstrap a cross compiler])
1432 # No compiler: if they passed --enable-bootstrap explicitly, fail
1434 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1436 # Fail if wrong command line
1438 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1442 # Used for setting $lt_cv_objdir
1445 # Check for GMP, MPFR and MPC
1446 gmplibs="-lmpc -lmpfr -lgmp"
1450 # Specify a location for mpc
1451 # check for this first so it ends up on the link line before mpfr.
1453 [AS_HELP_STRING([--with-mpc=PATH],
1454 [specify prefix directory for installed MPC package.
1455 Equivalent to --with-mpc-include=PATH/include
1456 plus --with-mpc-lib=PATH/lib])])
1457 AC_ARG_WITH(mpc-include,
1458 [AS_HELP_STRING([--with-mpc-include=PATH],
1459 [specify directory for installed MPC include files])])
1460 AC_ARG_WITH(mpc-lib,
1461 [AS_HELP_STRING([--with-mpc-lib=PATH],
1462 [specify directory for the installed MPC library])])
1464 if test "x$with_mpc" != x; then
1465 gmplibs="-L$with_mpc/lib $gmplibs"
1466 gmpinc="-I$with_mpc/include $gmpinc"
1468 if test "x$with_mpc_include" != x; then
1469 gmpinc="-I$with_mpc_include $gmpinc"
1471 if test "x$with_mpc_lib" != x; then
1472 gmplibs="-L$with_mpc_lib $gmplibs"
1474 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1475 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1476 gmpinc='-I$$s/mpc/src '"$gmpinc"
1477 # Do not test the mpc version. Assume that it is sufficient, since
1478 # it is in the source tree, and the library has not been built yet
1479 # but it would be included on the link line in the version check below
1480 # hence making the test fail.
1484 # Specify a location for mpfr
1485 # check for this first so it ends up on the link line before gmp.
1486 AC_ARG_WITH(mpfr-dir,
1487 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1488 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1489 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1492 [AS_HELP_STRING([--with-mpfr=PATH],
1493 [specify prefix directory for installed MPFR package.
1494 Equivalent to --with-mpfr-include=PATH/include
1495 plus --with-mpfr-lib=PATH/lib])])
1496 AC_ARG_WITH(mpfr-include,
1497 [AS_HELP_STRING([--with-mpfr-include=PATH],
1498 [specify directory for installed MPFR include files])])
1499 AC_ARG_WITH(mpfr-lib,
1500 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1501 [specify directory for the installed MPFR library])])
1503 if test "x$with_mpfr" != x; then
1504 gmplibs="-L$with_mpfr/lib $gmplibs"
1505 gmpinc="-I$with_mpfr/include $gmpinc"
1507 if test "x$with_mpfr_include" != x; then
1508 gmpinc="-I$with_mpfr_include $gmpinc"
1510 if test "x$with_mpfr_lib" != x; then
1511 gmplibs="-L$with_mpfr_lib $gmplibs"
1513 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1514 # MPFR v3.1.0 moved the sources into a src sub-directory.
1515 if test -d ${srcdir}/mpfr/src; then
1516 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1517 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1518 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1520 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1521 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1522 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1524 # Do not test the mpfr version. Assume that it is sufficient, since
1525 # it is in the source tree, and the library has not been built yet
1526 # but it would be included on the link line in the version check below
1527 # hence making the test fail.
1531 # Specify a location for gmp
1532 AC_ARG_WITH(gmp-dir,
1533 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1534 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1535 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1538 [AS_HELP_STRING([--with-gmp=PATH],
1539 [specify prefix directory for the installed GMP package.
1540 Equivalent to --with-gmp-include=PATH/include
1541 plus --with-gmp-lib=PATH/lib])])
1542 AC_ARG_WITH(gmp-include,
1543 [AS_HELP_STRING([--with-gmp-include=PATH],
1544 [specify directory for installed GMP include files])])
1545 AC_ARG_WITH(gmp-lib,
1546 [AS_HELP_STRING([--with-gmp-lib=PATH],
1547 [specify directory for the installed GMP library])])
1550 if test "x$with_gmp" != x; then
1551 gmplibs="-L$with_gmp/lib $gmplibs"
1552 gmpinc="-I$with_gmp/include $gmpinc"
1554 if test "x$with_gmp_include" != x; then
1555 gmpinc="-I$with_gmp_include $gmpinc"
1557 if test "x$with_gmp_lib" != x; then
1558 gmplibs="-L$with_gmp_lib $gmplibs"
1560 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1561 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1562 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1563 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1564 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1565 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1566 # Do not test the gmp version. Assume that it is sufficient, since
1567 # it is in the source tree, and the library has not been built yet
1568 # but it would be included on the link line in the version check below
1569 # hence making the test fail.
1573 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1575 saved_CFLAGS="$CFLAGS"
1576 CFLAGS="$CFLAGS $gmpinc"
1577 # Check for the recommended and required versions of GMP.
1578 AC_MSG_CHECKING([for the correct version of gmp.h])
1579 AC_TRY_COMPILE([#include "gmp.h"],[
1580 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1581 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1582 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1585 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1586 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1587 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1588 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1591 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1592 [AC_MSG_RESULT([no]); have_gmp=no])
1594 # If we have GMP, check the MPFR version.
1595 if test x"$have_gmp" = xyes; then
1596 # Check for the recommended and required versions of MPFR.
1597 AC_MSG_CHECKING([for the correct version of mpfr.h])
1598 AC_TRY_COMPILE([#include <gmp.h>
1599 #include <mpfr.h>],[
1600 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1603 ], [AC_TRY_COMPILE([#include <gmp.h>
1604 #include <mpfr.h>],[
1605 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1608 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1609 [AC_MSG_RESULT([no]); have_gmp=no])
1612 # Check for the MPC header version.
1613 if test x"$have_gmp" = xyes ; then
1614 # Check for the recommended and required versions of MPC.
1615 AC_MSG_CHECKING([for the correct version of mpc.h])
1616 AC_TRY_COMPILE([#include <mpc.h>],[
1617 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1620 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1621 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1624 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1625 [AC_MSG_RESULT([no]); have_gmp=no])
1628 # Now check the MPFR library.
1629 if test x"$have_gmp" = xyes; then
1631 LIBS="$LIBS $gmplibs"
1632 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1633 AC_TRY_LINK([#include <mpc.h>],[
1640 mpfr_atan2 (n, n, x, GMP_RNDN);
1641 mpfr_erfc (n, x, GMP_RNDN);
1642 mpfr_subnormalize (x, t, GMP_RNDN);
1646 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1647 mpc_cosh (c, c, MPC_RNDNN);
1648 mpc_pow (c, c, c, MPC_RNDNN);
1649 mpc_acosh (c, c, MPC_RNDNN);
1651 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1655 CFLAGS="$saved_CFLAGS"
1657 # The library versions listed in the error message below should match
1658 # the HARD-minimums enforced above.
1659 if test x$have_gmp != xyes; then
1660 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1661 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1662 their locations. Source code for these libraries can be found at
1663 their respective hosting sites as well as at
1664 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1665 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1666 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1667 make sure that you have installed both the libraries and the header
1668 files. They may be located in separate packages.])
1672 # Flags needed for both GMP, MPFR and/or MPC.
1675 AC_SUBST(extra_mpfr_configure_flags)
1676 AC_SUBST(extra_mpc_gmp_configure_flags)
1677 AC_SUBST(extra_mpc_mpfr_configure_flags)
1678 AC_SUBST(extra_isl_gmp_configure_flags)
1680 # Allow host libstdc++ to be specified for static linking with PPL.
1681 AC_ARG_WITH(host-libstdcxx,
1682 [AS_HELP_STRING([--with-host-libstdcxx=L],
1683 [use linker arguments L to link with libstdc++
1684 when linking with PPL])])
1686 case $with_host_libstdcxx in
1688 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1692 # Libraries to use for stage1 or when not bootstrapping.
1693 AC_ARG_WITH(stage1-libs,
1694 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1695 [if test "$withval" = "no" -o "$withval" = "yes"; then
1698 stage1_libs=$withval
1700 [stage1_libs=$with_host_libstdcxx])
1701 AC_SUBST(stage1_libs)
1703 # Linker flags to use for stage1 or when not bootstrapping.
1704 AC_ARG_WITH(stage1-ldflags,
1705 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1706 [if test "$withval" = "no" -o "$withval" = "yes"; then
1709 stage1_ldflags=$withval
1712 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1713 # if supported. But if the user explicitly specified the libraries to use,
1714 # trust that they are doing what they want.
1715 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1716 stage1_ldflags="-static-libstdc++ -static-libgcc"
1718 AC_SUBST(stage1_ldflags)
1720 # Libraries to use for stage2 and later builds. This defaults to the
1721 # argument passed to --with-host-libstdcxx.
1722 AC_ARG_WITH(boot-libs,
1723 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1724 [if test "$withval" = "no" -o "$withval" = "yes"; then
1727 poststage1_libs=$withval
1729 [poststage1_libs=$with_host_libstdcxx])
1730 AC_SUBST(poststage1_libs)
1732 # Linker flags to use for stage2 and later builds.
1733 AC_ARG_WITH(boot-ldflags,
1734 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1735 [linker flags for stage2 and later])],
1736 [if test "$withval" = "no" -o "$withval" = "yes"; then
1739 poststage1_ldflags=$withval
1741 [poststage1_ldflags=
1742 # In stages 2 and 3, default to linking libstdc++ and libgcc
1743 # statically. But if the user explicitly specified the libraries to
1744 # use, trust that they are doing what they want.
1745 if test "$poststage1_libs" = ""; then
1746 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1748 AC_SUBST(poststage1_ldflags)
1750 # GCC GRAPHITE dependency ISL.
1751 # Basic setup is inlined here, actual checks are in config/isl.m4
1756 [Specify prefix directory for the installed ISL package.
1757 Equivalent to --with-isl-include=PATH/include
1758 plus --with-isl-lib=PATH/lib])])
1760 # Treat --without-isl as a request to disable
1761 # GRAPHITE support and skip all following checks.
1762 if test "x$with_isl" != "xno"; then
1764 dnl Provide configure switches and initialize islinc & isllibs
1765 dnl with user input.
1767 dnl The versions of ISL that work for Graphite
1769 dnl Only execute fail-action, if ISL has been requested.
1771 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1774 # If the ISL check failed, disable builds of in-tree variant of ISL
1775 if test "x$with_isl" = xno ||
1776 test "x$gcc_cv_isl" = xno; then
1777 noconfigdirs="$noconfigdirs isl"
1784 # Check for LTO support.
1786 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1787 enable_lto=$enableval,
1788 enable_lto=yes; default_enable_lto=yes)
1790 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1791 build_lto_plugin=yes
1792 ],[if test x"$default_enable_lto" = x"yes" ; then
1794 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1795 # On other non-ELF platforms, LTO has yet to be validated.
1799 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1800 # It would also be nice to check the binutils support, but we don't
1801 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1802 # warn during gcc/ subconfigure; unless you're bootstrapping with
1803 # -flto it won't be needed until after installation anyway.
1805 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1806 *) if test x"$enable_lto" = x"yes"; then
1807 AC_MSG_ERROR([LTO support is not enabled for this target.])
1812 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1813 # Build it unless LTO was explicitly disabled.
1815 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1820 AC_ARG_ENABLE(linker-plugin-configure-flags,
1821 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1822 [additional flags for configuring linker plugins @<:@none@:>@])],
1823 extra_linker_plugin_configure_flags=$enableval,
1824 extra_linker_plugin_configure_flags=)
1825 AC_SUBST(extra_linker_plugin_configure_flags)
1826 AC_ARG_ENABLE(linker-plugin-flags,
1827 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1828 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1829 extra_linker_plugin_flags=$enableval,
1830 extra_linker_plugin_flags=)
1831 AC_SUBST(extra_linker_plugin_flags)
1834 # By default, C and C++ are the only stage 1 languages.
1835 stage1_languages=,c,
1837 # Target libraries that we bootstrap.
1838 bootstrap_target_libs=,target-libgcc,
1840 # Figure out what language subdirectories are present.
1841 # Look if the user specified --enable-languages="..."; if not, use
1842 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1844 # NB: embedded tabs in this IF block -- do not untabify
1845 if test -d ${srcdir}/gcc; then
1846 if test x"${enable_languages+set}" != xset; then
1847 if test x"${LANGUAGES+set}" = xset; then
1848 enable_languages="${LANGUAGES}"
1849 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1851 enable_languages=all
1854 if test x"${enable_languages}" = x ||
1855 test x"${enable_languages}" = xyes;
1857 echo configure.in: --enable-languages needs at least one language argument 1>&2
1861 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1863 # 'f95' is the old name for the 'fortran' language. We issue a warning
1864 # and make the substitution.
1865 case ,${enable_languages}, in
1867 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1868 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1872 # If bootstrapping, C++ must be enabled.
1873 case ",$enable_languages,:$enable_bootstrap" in
1876 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1877 enable_languages="${enable_languages},c++"
1879 AC_MSG_ERROR([bootstrapping requires c++ sources])
1884 # First scan to see if an enabled language requires some other language.
1885 # We assume that a given config-lang.in will list all the language
1886 # front ends it requires, even if some are required indirectly.
1887 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1888 case ${lang_frag} in
1890 # The odd quoting in the next line works around
1891 # an apparent bug in bash 1.12 on linux.
1892 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1894 # From the config-lang.in, get $language, $lang_requires, and
1895 # $lang_requires_boot_languages.
1898 lang_requires_boot_languages=
1900 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1901 case ,${enable_languages}, in
1905 echo " \`$other' language required by \`$language'; enabling" 1>&2
1906 enable_languages="${enable_languages},${other}"
1910 for other in ${lang_requires_boot_languages} ; do
1911 if test "$other" != "c"; then
1912 case ,${enable_stage1_languages}, in
1916 case ,${enable_languages}, in
1918 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1919 enable_stage1_languages="$enable_stage1_languages,${other}"
1930 new_enable_languages=,c,
1932 # If LTO is enabled, add the LTO front end.
1933 if test "$enable_lto" = "yes" ; then
1934 case ,${enable_languages}, in
1936 *) enable_languages="${enable_languages},lto" ;;
1938 if test "${build_lto_plugin}" = "yes" ; then
1939 configdirs="$configdirs lto-plugin"
1943 # If we're building an offloading compiler, add the LTO front end.
1944 if test x"$enable_as_accelerator_for" != x ; then
1945 case ,${enable_languages}, in
1947 *) enable_languages="${enable_languages},lto" ;;
1951 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1952 potential_languages=,c,
1954 enabled_target_libs=
1955 disabled_target_libs=
1957 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1958 case ${lang_frag} in
1960 # The odd quoting in the next line works around
1961 # an apparent bug in bash 1.12 on linux.
1962 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1964 # From the config-lang.in, get $language, $target_libs,
1965 # $lang_dirs, $boot_language, and $build_by_default
1971 build_by_default=yes
1973 if test x${language} = x; then
1974 echo "${lang_frag} doesn't set \$language." 1>&2
1978 if test "$language" = "c++"; then
1983 case ,${enable_languages}, in
1985 # Language was explicitly selected; include it
1986 # unless it is C, which is enabled by default.
1987 if test "$language" != "c"; then
1992 # 'all' was selected, select it if it is a default language
1993 if test "$language" != "c"; then
1994 add_this_lang=${build_by_default}
1999 # Disable languages that need other directories if these aren't available.
2000 for i in $subdir_requires; do
2001 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2002 case ,${enable_languages}, in
2004 # Specifically requested language; tell them.
2005 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2009 add_this_lang=unsupported
2014 # Disable Ada if no preexisting GNAT is available.
2015 case ,${enable_languages},:${language}:${have_gnat} in
2016 *,${language},*:ada:no)
2017 # Specifically requested language; tell them.
2018 AC_MSG_ERROR([GNAT is required to build $language])
2022 add_this_lang=unsupported
2026 # Disable a language that is unsupported by the target.
2027 case " $unsupported_languages " in
2029 add_this_lang=unsupported
2033 case $add_this_lang in
2035 # Remove language-dependent dirs.
2036 disabled_target_libs="$disabled_target_libs $target_libs"
2037 noconfigdirs="$noconfigdirs $lang_dirs"
2040 # Remove language-dependent dirs; still show language as supported.
2041 disabled_target_libs="$disabled_target_libs $target_libs"
2042 noconfigdirs="$noconfigdirs $lang_dirs"
2043 potential_languages="${potential_languages}${language},"
2046 new_enable_languages="${new_enable_languages}${language},"
2047 potential_languages="${potential_languages}${language},"
2048 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2049 enabled_target_libs="$enabled_target_libs $target_libs"
2050 case "${boot_language}:,$enable_stage1_languages," in
2051 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2052 # Add to (comma-separated) list of stage 1 languages.
2053 case ",$stage1_languages," in
2054 *,$language,* | ,yes, | ,all,) ;;
2055 *) stage1_languages="${stage1_languages}${language}," ;;
2057 # We need to bootstrap any supporting libraries.
2058 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2067 # Add target libraries which are only needed for disabled languages
2069 if test -n "$disabled_target_libs"; then
2070 for dir in $disabled_target_libs; do
2071 case " $enabled_target_libs " in
2073 *) noconfigdirs="$noconfigdirs $dir" ;;
2078 AC_ARG_ENABLE(stage1-languages,
2079 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2080 [choose additional languages to build during
2081 stage1. Mostly useful for compiler development])],
2082 [case ,${enable_stage1_languages}, in
2084 # Set it to something that will have no effect in the loop below
2085 enable_stage1_languages=c ;;
2087 enable_stage1_languages=`echo $new_enable_languages | \
2088 sed -e "s/^,//" -e "s/,$//" ` ;;
2090 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2091 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2094 # Add "good" languages from enable_stage1_languages to stage1_languages,
2095 # while "bad" languages go in missing_languages. Leave no duplicates.
2096 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2097 case $potential_languages in
2099 case $stage1_languages in
2101 *) stage1_languages="$stage1_languages$i," ;;
2104 case $missing_languages in
2106 *) missing_languages="$missing_languages$i," ;;
2111 # Remove leading/trailing commas that were added for simplicity
2112 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2113 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2114 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2115 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2117 if test "x$missing_languages" != x; then
2119 The following requested languages could not be built: ${missing_languages}
2120 Supported languages are: ${potential_languages}])
2122 if test "x$new_enable_languages" != "x$enable_languages"; then
2123 echo The following languages will be built: ${new_enable_languages}
2124 enable_languages="$new_enable_languages"
2127 AC_SUBST(stage1_languages)
2128 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2131 # Handle --disable-<component> generically.
2132 for dir in $configdirs $build_configdirs $target_configdirs ; do
2133 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2134 varname=`echo $dirname | sed -e s/+/_/g`
2135 if eval test x\${enable_${varname}} "=" xno ; then
2136 noconfigdirs="$noconfigdirs $dir"
2140 # Check for Boehm's garbage collector
2141 AC_ARG_ENABLE(objc-gc,
2142 [AS_HELP_STRING([--enable-objc-gc],
2143 [enable use of Boehm's garbage collector with the
2144 GNU Objective-C runtime])],
2145 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2146 *,objc,*:*:yes:*target-boehm-gc*)
2147 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2151 # Make sure we only build Boehm's garbage collector if required.
2152 case ,${enable_languages},:${enable_objc_gc} in
2154 # Keep target-boehm-gc if requested for Objective-C.
2157 # Otherwise remove target-boehm-gc depending on target-libjava.
2158 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2159 noconfigdirs="$noconfigdirs target-boehm-gc"
2164 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2165 case ,${enable_languages}, in
2167 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2168 case "${noconfigdirs}" in
2169 *target-libstdc++-v3*)
2170 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2176 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2180 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2181 # $build_configdirs and $target_configdirs.
2182 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2185 for dir in . $skipdirs $noconfigdirs ; do
2186 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2187 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2188 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2189 if test -r $srcdir/$dirname/configure ; then
2190 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2193 notsupp="$notsupp $dir"
2197 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2198 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2199 if test -r $srcdir/$dirname/configure ; then
2200 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2203 notsupp="$notsupp $dir"
2207 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2208 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2209 if test -r $srcdir/$dirname/configure ; then
2210 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2213 notsupp="$notsupp $dir"
2219 # Quietly strip out all directories which aren't configurable in this tree.
2220 # This relies on all configurable subdirectories being autoconfiscated, which
2222 build_configdirs_all="$build_configdirs"
2224 for i in ${build_configdirs_all} ; do
2225 j=`echo $i | sed -e s/build-//g`
2226 if test -f ${srcdir}/$j/configure ; then
2227 build_configdirs="${build_configdirs} $i"
2231 configdirs_all="$configdirs"
2233 for i in ${configdirs_all} ; do
2234 if test -f ${srcdir}/$i/configure ; then
2235 configdirs="${configdirs} $i"
2239 target_configdirs_all="$target_configdirs"
2241 for i in ${target_configdirs_all} ; do
2242 j=`echo $i | sed -e s/target-//g`
2243 if test -f ${srcdir}/$j/configure ; then
2244 target_configdirs="${target_configdirs} $i"
2248 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2249 # so we have to add it after the preceding checks.
2250 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2252 case " $configdirs " in
2254 # If we can build libiberty, we can also build libiberty-linker-plugin.
2255 configdirs="$configdirs libiberty-linker-plugin"
2256 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2257 --with-libiberty=../libiberty-linker-plugin";;
2259 AC_MSG_ERROR([libiberty missing]);;
2263 # Sometimes we have special requirements for the host libiberty.
2264 extra_host_libiberty_configure_flags=
2265 case " $configdirs " in
2266 *" lto-plugin "* | *" libcc1 "*)
2267 # When these are to be built as shared libraries, the same applies to
2269 extra_host_libiberty_configure_flags=--enable-shared
2272 AC_SUBST(extra_host_libiberty_configure_flags)
2274 # Produce a warning message for the subdirs we can't configure.
2275 # This isn't especially interesting in the Cygnus tree, but in the individual
2276 # FSF releases, it's important to let people know when their machine isn't
2277 # supported by the one or two programs in a package.
2279 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2280 # If $appdirs is non-empty, at least one of those directories must still
2281 # be configured, or we error out. (E.g., if the gas release supports a
2282 # specified target in some subdirs but not the gas subdir, we shouldn't
2283 # pretend that all is well.)
2284 if test -n "$appdirs" ; then
2285 for dir in $appdirs ; do
2286 if test -r $dir/Makefile.in ; then
2287 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2291 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2297 if test -n "$appdirs" ; then
2298 echo "*** This configuration is not supported by this package." 1>&2
2302 # Okay, some application will build, or we don't care to check. Still
2303 # notify of subdirs not getting built.
2304 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2305 echo " ${notsupp}" 1>&2
2306 echo " (Any other directories should still work fine.)" 1>&2
2314 # To find our prefix, in gcc_cv_tool_prefix.
2319 AC_ARG_WITH([build-sysroot],
2320 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2321 [use sysroot as the system root during the build])],
2322 [if test x"$withval" != x ; then
2323 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2325 [SYSROOT_CFLAGS_FOR_TARGET=])
2326 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2328 AC_ARG_WITH([debug-prefix-map],
2329 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2330 [map A to B, C to D ... in debug information])],
2331 [if test x"$withval" != x; then
2332 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2333 for debug_map in $withval; do
2334 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2337 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2338 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2340 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2341 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2342 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2343 # We want to ensure that TARGET libraries (which we know are built with
2344 # gcc) are built with "-O2 -g", so include those options when setting
2345 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2346 if test "x$CFLAGS_FOR_TARGET" = x; then
2347 if test "x${is_cross_compiler}" = xyes; then
2348 CFLAGS_FOR_TARGET="-g -O2"
2350 CFLAGS_FOR_TARGET=$CFLAGS
2353 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2356 *" -g "* | *" -g3 "*) ;;
2357 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2361 AC_SUBST(CFLAGS_FOR_TARGET)
2363 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2364 if test "x${is_cross_compiler}" = xyes; then
2365 CXXFLAGS_FOR_TARGET="-g -O2"
2367 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2368 case " $CXXFLAGS " in
2370 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2372 case " $CXXFLAGS " in
2373 *" -g "* | *" -g3 "*) ;;
2374 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2378 AC_SUBST(CXXFLAGS_FOR_TARGET)
2380 AC_SUBST(LDFLAGS_FOR_TARGET)
2382 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2383 # the named directory are copied to $(tooldir)/sys-include.
2384 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2385 if test x${is_cross_compiler} = xno ; then
2386 echo 1>&2 '***' --with-headers is only supported when cross compiling
2389 if test x"${with_headers}" != xyes ; then
2390 x=${gcc_cv_tool_prefix}
2391 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2395 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2396 # the name directories are copied to $(tooldir)/lib. Multiple directories
2398 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2399 if test x${is_cross_compiler} = xno ; then
2400 echo 1>&2 '***' --with-libs is only supported when cross compiling
2403 if test x"${with_libs}" != xyes ; then
2404 # Copy the libraries in reverse order, so that files in the first named
2405 # library override files in subsequent libraries.
2406 x=${gcc_cv_tool_prefix}
2407 for l in ${with_libs}; do
2408 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2413 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2415 # This is done by determining whether or not the appropriate directory
2416 # is available, and by checking whether or not specific configurations
2417 # have requested that this magic not happen.
2419 # The command line options always override the explicit settings in
2420 # configure.in, and the settings in configure.in override this magic.
2422 # If the default for a toolchain is to use GNU as and ld, and you don't
2423 # want to do that, then you should use the --without-gnu-as and
2424 # --without-gnu-ld options for the configure script. Similarly, if
2425 # the default is to use the included zlib and you don't want to do that,
2426 # you should use the --with-system-zlib option for the configure script.
2428 if test x${use_gnu_as} = x &&
2429 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2431 extra_host_args="$extra_host_args --with-gnu-as"
2434 if test x${use_gnu_ld} = x &&
2435 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2437 extra_host_args="$extra_host_args --with-gnu-ld"
2440 if test x${use_included_zlib} = x &&
2441 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2444 with_system_zlib=yes
2445 extra_host_args="$extra_host_args --with-system-zlib"
2448 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2449 # can detect this case.
2451 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2453 extra_host_args="$extra_host_args --with-newlib"
2456 # Handle ${copy_dirs}
2457 set fnord ${copy_dirs}
2459 while test $# != 0 ; do
2460 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2463 echo Copying $1 to $2
2465 # Use the install script to create the directory and all required
2466 # parent directories.
2467 if test -d $2 ; then
2471 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2474 # Copy the directory, assuming we have tar.
2475 # FIXME: Should we use B in the second tar? Not all systems support it.
2476 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2478 # It is the responsibility of the user to correctly adjust all
2479 # symlinks. If somebody can figure out how to handle them correctly
2480 # here, feel free to add the code.
2487 # Determine a target-dependent exec_prefix that the installed
2488 # gcc will search in. Keep this list sorted by triplet, with
2489 # the *-*-osname triplets last.
2492 i[[34567]]86-pc-msdosdjgpp*)
2493 md_exec_prefix=/dev/env/DJDIR/bin
2498 md_exec_prefix=/usr/ccs/bin
2502 extra_arflags_for_target=
2503 extra_nmflags_for_target=
2504 extra_ranlibflags_for_target=
2505 target_makefile_frag=/dev/null
2508 target_makefile_frag="config/mt-spu"
2510 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2511 target_makefile_frag="config/mt-sde"
2513 mipsisa*-*-elfoabi*)
2514 target_makefile_frag="config/mt-mips-elfoabi"
2516 mips*-*-*linux* | mips*-*-gnu*)
2517 target_makefile_frag="config/mt-mips-gnu"
2520 target_makefile_frag="config/mt-nios2-elf"
2522 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2523 target_makefile_frag="config/mt-gnu"
2525 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2526 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2527 # commands to handle both 32-bit and 64-bit objects. These flags are
2528 # harmless if we're using GNU nm or ar.
2529 extra_arflags_for_target=" -X32_64"
2530 extra_nmflags_for_target=" -B -X32_64"
2534 alphaieee_frag=/dev/null
2537 # This just makes sure to use the -mieee option to build target libs.
2538 # This should probably be set individually by each library.
2539 alphaieee_frag="config/mt-alphaieee"
2543 # If --enable-target-optspace always use -Os instead of -O2 to build
2544 # the target libraries, similarly if it is not specified, use -Os
2545 # on selected platforms.
2546 ospace_frag=/dev/null
2547 case "${enable_target_optspace}:${target}" in
2549 ospace_frag="config/mt-ospace"
2552 ospace_frag="config/mt-d30v"
2554 :m32r-* | :d10v-* | :fr30-*)
2555 ospace_frag="config/mt-ospace"
2560 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2564 # Some systems (e.g., one of the i386-aix systems the gas testers are
2565 # using) don't handle "\$" correctly, so don't use it here.
2566 tooldir='${exec_prefix}'/${target_noncanonical}
2567 build_tooldir=${tooldir}
2569 # Create a .gdbinit file which runs the one in srcdir
2570 # and tells GDB to look there for source files.
2572 if test -r ${srcdir}/.gdbinit ; then
2575 *) cat > ./.gdbinit <<EOF
2579 source ${srcdir}/.gdbinit
2585 # Make sure that the compiler is able to generate an executable. If it
2586 # can't, we are probably in trouble. We don't care whether we can run the
2587 # executable--we might be using a cross compiler--we only care whether it
2588 # can be created. At this point the main configure script has set CC.
2590 echo "int main () { return 0; }" > conftest.c
2591 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2592 if test $? = 0 ; then
2593 if test -s conftest || test -s conftest.exe ; then
2599 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2600 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2607 # Decide which environment variable is used to find dynamic libraries.
2609 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2610 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2611 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2612 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2615 # On systems where the dynamic library environment variable is PATH,
2616 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2617 # built executables to PATH.
2618 if test "$RPATH_ENVVAR" = PATH; then
2619 GCC_SHLIB_SUBDIR=/shlib
2624 # Adjust the toplevel makefile according to whether bootstrap was selected.
2625 case $enable_bootstrap in
2627 bootstrap_suffix=bootstrap
2628 BUILD_CONFIG=bootstrap-debug
2631 bootstrap_suffix=no-bootstrap
2636 AC_MSG_CHECKING(for default BUILD_CONFIG)
2638 AC_ARG_WITH([build-config],
2639 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2640 [use config/NAME.mk build configuration])],
2641 [case $with_build_config in
2642 yes) with_build_config= ;;
2643 no) with_build_config= BUILD_CONFIG= ;;
2646 if test "x${with_build_config}" != x; then
2647 BUILD_CONFIG=$with_build_config
2649 case $BUILD_CONFIG in
2651 if echo "int f (void) { return 0; }" > conftest.c &&
2652 ${CC} -c conftest.c &&
2653 mv conftest.o conftest.o.g0 &&
2654 ${CC} -c -g conftest.c &&
2655 mv conftest.o conftest.o.g &&
2656 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2661 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2665 AC_MSG_RESULT($BUILD_CONFIG)
2666 AC_SUBST(BUILD_CONFIG)
2668 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2669 AC_MSG_CHECKING([for --enable-vtable-verify])
2670 AC_ARG_ENABLE(vtable-verify,
2671 [ --enable-vtable-verify Enable vtable verification feature ],
2672 [case "$enableval" in
2673 yes) enable_vtable_verify=yes ;;
2674 no) enable_vtable_verify=no ;;
2675 *) enable_vtable_verify=no;;
2677 [enable_vtable_verify=no])
2678 AC_MSG_RESULT($enable_vtable_verify)
2680 # Record target_configdirs and the configure arguments for target and
2681 # build configuration in Makefile.
2682 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2683 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2684 bootstrap_fixincludes=no
2686 # If we are building libgomp, bootstrap it.
2687 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2688 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2691 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2692 # or bootstrap-ubsan, bootstrap it.
2693 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2694 case "$BUILD_CONFIG" in
2695 *bootstrap-asan* | *bootstrap-ubsan* )
2696 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2697 bootstrap_fixincludes=yes
2702 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2703 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2704 test "$enable_vtable_verify" != no; then
2705 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2708 # If we are building libmpx, bootstrap it.
2709 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2710 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2713 # Determine whether gdb needs tk/tcl or not.
2714 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2715 # and in that case we want gdb to be built without tk. Ugh!
2716 # In fact I believe gdb is the *only* package directly dependent on tk,
2717 # so we should be able to put the 'maybe's in unconditionally and
2718 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2719 # 100% sure that that's safe though.
2721 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2722 case "$enable_gdbtk" in
2726 GDB_TK="${gdb_tk}" ;;
2728 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2729 # distro. Eventually someone will fix this and move Insight, nee
2730 # gdbtk to a separate directory.
2731 if test -d ${srcdir}/gdb/gdbtk ; then
2738 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2739 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2741 # Strip out unwanted targets.
2743 # While at that, we remove Makefiles if we were started for recursive
2744 # configuration, so that the top-level Makefile reconfigures them,
2745 # like we used to do when configure itself was recursive.
2747 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2748 # but now we're fixing up the Makefile ourselves with the additional
2749 # commands passed to AC_CONFIG_FILES. Use separate variables
2750 # extrasub-{build,host,target} not because there is any reason to split
2751 # the substitutions up that way, but only to remain below the limit of
2752 # 99 commands in a script, for HP-UX sed.
2753 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2755 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2756 yes:yes:*\ gold\ *:*,c++,*) ;;
2757 yes:yes:*\ gold\ *:*)
2758 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2763 for module in ${build_configdirs} ; do
2764 if test -z "${no_recursion}" \
2765 && test -f ${build_subdir}/${module}/Makefile; then
2766 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2767 rm -f ${build_subdir}/${module}/Makefile
2769 extrasub_build="$extrasub_build
2770 /^@if build-$module\$/d
2771 /^@endif build-$module\$/d
2772 /^@if build-$module-$bootstrap_suffix\$/d
2773 /^@endif build-$module-$bootstrap_suffix\$/d"
2776 for module in ${configdirs} ; do
2777 if test -z "${no_recursion}"; then
2778 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2779 if test -f ${file}; then
2780 echo 1>&2 "*** removing ${file} to force reconfigure"
2785 case ${module},${bootstrap_fixincludes} in
2786 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2787 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2789 extrasub_host="$extrasub_host
2791 /^@endif $module\$/d
2792 /^@if $module-$host_bootstrap_suffix\$/d
2793 /^@endif $module-$host_bootstrap_suffix\$/d"
2796 for module in ${target_configdirs} ; do
2797 if test -z "${no_recursion}" \
2798 && test -f ${target_subdir}/${module}/Makefile; then
2799 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2800 rm -f ${target_subdir}/${module}/Makefile
2803 # We only bootstrap target libraries listed in bootstrap_target_libs.
2804 case $bootstrap_target_libs in
2805 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2806 *) target_bootstrap_suffix=no-bootstrap ;;
2809 extrasub_target="$extrasub_target
2810 /^@if target-$module\$/d
2811 /^@endif target-$module\$/d
2812 /^@if target-$module-$target_bootstrap_suffix\$/d
2813 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2816 # Do the final fixup along with target modules.
2817 extrasub_target="$extrasub_target
2818 /^@if /,/^@endif /d"
2820 # Create the serialization dependencies. This uses a temporary file.
2822 AC_ARG_ENABLE([serial-configure],
2823 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2824 [force sequential configuration of
2825 sub-packages for the host, target or build
2826 machine, or all sub-packages])])
2828 case ${enable_serial_configure} in
2830 enable_serial_build_configure=yes
2831 enable_serial_host_configure=yes
2832 enable_serial_target_configure=yes
2836 # These force 'configure's to be done one at a time, to avoid problems
2837 # with contention over a shared config.cache.
2839 echo '# serdep.tmp' > serdep.tmp
2841 test "x${enable_serial_build_configure}" = xyes &&
2842 for item in ${build_configdirs} ; do
2845 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2850 test "x${enable_serial_host_configure}" = xyes &&
2851 for item in ${configdirs} ; do
2854 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2859 test "x${enable_serial_target_configure}" = xyes &&
2860 for item in ${target_configdirs} ; do
2863 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2867 serialization_dependencies=serdep.tmp
2868 AC_SUBST_FILE(serialization_dependencies)
2870 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2871 # target, nonopt, and variable assignments. These are the ones we
2872 # might not want to pass down to subconfigures. The exception being
2873 # --cache-file=/dev/null, which is used to turn off the use of cache
2874 # files altogether, and which should be passed on to subconfigures.
2875 # Also strip program-prefix, program-suffix, and program-transform-name,
2876 # so that we can pass down a consistent program-transform-name.
2881 eval "set -- $ac_configure_args"
2884 if test X"$skip_next" = X"yes"; then
2888 if test X"$keep_next" = X"yes"; then
2891 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2893 baseargs="$baseargs '$ac_arg'"
2894 tbaseargs="$tbaseargs '$ac_arg'"
2899 # Handle separated arguments. Based on the logic generated by
2902 *=* | --config-cache | -C | -disable-* | --disable-* \
2903 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2904 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2905 | -with-* | --with-* | -without-* | --without-* | --x)
2919 --with-* | --without-*)
2920 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2924 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2927 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2936 mpc | mpfr | gmp | isl)
2937 # If we're processing --with-$lib, --with-$lib-include or
2938 # --with-$lib-lib, for one of the libs above, and target is
2939 # different from host, don't pass the current argument to any
2940 # target library's configure.
2941 if test x$is_cross_compiler = xyes; then
2950 --cache-file=/dev/null | \
2951 -cache-file=/dev/null )
2952 # Handled here to avoid the test to skip args below.
2953 baseargs="$baseargs '$ac_arg'"
2954 tbaseargs="$tbaseargs '$ac_arg'"
2955 # Assert: $separate_arg should always be no.
2956 keep_next=$separate_arg
2972 -program-prefix* | \
2973 -program-suffix* | \
2974 -program-transform-name* )
2975 skip_next=$separate_arg
2979 # An option. Add it.
2982 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2984 baseargs="$baseargs '$ac_arg'"
2985 if test X"$skip_targ" = Xno; then
2986 tbaseargs="$tbaseargs '$ac_arg'"
2988 keep_next=$separate_arg
2991 # Either a variable assignment, or a nonopt (triplet). Don't
2992 # pass it down; let the Makefile handle this.
2997 # Remove the initial space we just introduced and, as these will be
2998 # expanded by make, quote '$'.
2999 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3001 # Add in --program-transform-name, after --program-prefix and
3002 # --program-suffix have been applied to it. Autoconf has already
3003 # doubled dollar signs and backslashes in program_transform_name; we want
3004 # the backslashes un-doubled, and then the entire thing wrapped in single
3005 # quotes, because this will be expanded first by make and then by the shell.
3006 # Also, because we want to override the logic in subdir configure scripts to
3007 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3008 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3009 ${program_transform_name}
3011 gcc_transform_name=`cat conftestsed.out`
3012 rm -f conftestsed.out
3013 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3014 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3015 if test "$silent" = yes; then
3016 baseargs="$baseargs --silent"
3017 tbaseargs="$tbaseargs --silent"
3019 baseargs="$baseargs --disable-option-checking"
3020 tbaseargs="$tbaseargs --disable-option-checking"
3022 # Record and document user additions to sub configure arguments.
3023 AC_ARG_VAR([build_configargs],
3024 [additional configure arguments for build directories])
3025 AC_ARG_VAR([host_configargs],
3026 [additional configure arguments for host directories])
3027 AC_ARG_VAR([target_configargs],
3028 [additional configure arguments for target directories])
3030 # For the build-side libraries, we just need to pretend we're native,
3031 # and not use the same cache file. Multilibs are neither needed nor
3032 # desired. We can't even use the same cache file for all build-side
3033 # libraries, as they're compiled differently; some with C, some with
3034 # C++ or with different feature-enabling options.
3035 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3037 # For host modules, accept cache file option, or specification as blank.
3038 case "${cache_file}" in
3040 cache_file_option="" ;;
3041 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3042 cache_file_option="--cache-file=${cache_file}" ;;
3044 cache_file_option="--cache-file=../${cache_file}" ;;
3047 # Host dirs don't like to share a cache file either, horribly enough.
3048 # This seems to be due to autoconf 2.5x stupidity.
3049 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3051 target_configargs="$target_configargs ${tbaseargs}"
3053 # Passing a --with-cross-host argument lets the target libraries know
3054 # whether they are being built with a cross-compiler or being built
3055 # native. However, it would be better to use other mechanisms to make the
3056 # sorts of decisions they want to make on this basis. Please consider
3057 # this option to be deprecated. FIXME.
3058 if test x${is_cross_compiler} = xyes ; then
3059 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3062 # Special user-friendly check for native x86_64-linux build, if
3063 # multilib is not explicitly enabled.
3064 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3065 x86_64-*linux*:yes:$build:$build:)
3066 # Make sure we have a developement environment that handles 32-bit
3068 echo "int main () { return 0; }" > conftest.c
3069 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3070 if test $? = 0 ; then
3071 if test -s conftest || test -s conftest.exe ; then
3076 if test x${dev64} != xyes ; then
3077 AC_MSG_ERROR([I suspect your system does not have 32-bit developement 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.])
3082 # Default to --enable-multilib.
3083 if test x${enable_multilib} = x ; then
3084 target_configargs="--enable-multilib ${target_configargs}"
3087 # Pass --with-newlib if appropriate. Note that target_configdirs has
3088 # changed from the earlier setting of with_newlib.
3089 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3090 target_configargs="--with-newlib ${target_configargs}"
3093 # Different target subdirs use different values of certain variables
3094 # (notably CXX). Worse, multilibs use *lots* of different values.
3095 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3096 # it doesn't automatically accept command-line overrides of them.
3097 # This means it's not safe for target subdirs to share a cache file,
3098 # which is disgusting, but there you have it. Hopefully this can be
3099 # fixed in future. It's still worthwhile to use a cache file for each
3100 # directory. I think.
3102 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3103 # We need to pass --target, as newer autoconf's requires consistency
3104 # for target_alias and gcc doesn't manage it consistently.
3105 target_configargs="--cache-file=./config.cache ${target_configargs}"
3108 case " $target_configdirs " in
3110 case " $target_configargs " in
3111 *" --with-newlib "*)
3114 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3118 # If we're not building GCC, don't discard standard headers.
3119 if test -d ${srcdir}/gcc; then
3120 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3122 if test "${build}" != "${host}"; then
3123 # On Canadian crosses, CC_FOR_TARGET will have already been set
3124 # by `configure', so we won't have an opportunity to add -Bgcc/
3125 # to it. This is right: we don't want to search that directory
3126 # for binaries, but we want the header files in there, so add
3128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3130 # Someone might think of using the pre-installed headers on
3131 # Canadian crosses, in case the installed compiler is not fully
3132 # compatible with the compiler being built. In this case, it
3133 # would be better to flag an error than risking having
3134 # incompatible object files being constructed. We can't
3135 # guarantee that an error will be flagged, but let's hope the
3136 # compiler will do it, when presented with incompatible header
3141 case "${target}-${is_cross_compiler}" in
3142 i[[3456789]]86-*-linux*-no)
3143 # Here host == target, so we don't need to build gcc,
3144 # so we don't want to discard standard headers.
3145 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3148 # If we're building newlib, use its generic headers last, but search
3149 # for any libc-related directories first (so make it the last -B
3151 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3153 # If we're building libgloss, find the startup file, simulator library
3154 # and linker script.
3155 case " $target_configdirs " in
3157 # Look for startup file, simulator library and maybe linker script.
3158 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3159 # Look for libnosys.a in case the target needs it.
3160 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3161 # Most targets have the linker script in the source directory.
3162 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3173 x86_64-*mingw* | *-w64-mingw*)
3174 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3175 # however, use a symlink named 'mingw' in ${prefix} .
3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3179 # MinGW can't be handled as Cygwin above since it does not use newlib.
3180 FLAGS_FOR_TARGET=$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'
3184 # Allow the user to override the flags for
3185 # our build compiler if desired.
3186 if test x"${build}" = x"${host}" ; then
3187 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3188 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3189 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3192 # On Canadian crosses, we'll be searching the right directories for
3193 # the previously-installed cross compiler, so don't bother to add
3194 # flags for directories within the install tree of the compiler
3195 # being built; programs in there won't even run.
3196 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3197 # Search for pre-installed headers if nothing else fits.
3198 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3201 if test "x${use_gnu_ld}" = x &&
3202 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3203 # Arrange for us to find uninstalled linker scripts.
3204 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3207 # Search for other target-specific linker scripts and such.
3210 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3214 # Makefile fragments.
3215 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3217 eval fragval=\$$frag
3218 if test $fragval != /dev/null; then
3219 eval $frag=${srcdir}/$fragval
3222 AC_SUBST_FILE(host_makefile_frag)
3223 AC_SUBST_FILE(target_makefile_frag)
3224 AC_SUBST_FILE(alphaieee_frag)
3225 AC_SUBST_FILE(ospace_frag)
3227 # Miscellanea: directories, flags, etc.
3228 AC_SUBST(RPATH_ENVVAR)
3229 AC_SUBST(GCC_SHLIB_SUBDIR)
3231 AC_SUBST(build_tooldir)
3232 AC_SUBST(CONFIGURE_GDB_TK)
3234 AC_SUBST(INSTALL_GDB_TK)
3236 # Build module lists & subconfigure args.
3237 AC_SUBST(build_configargs)
3238 AC_SUBST(build_configdirs)
3240 # Host module lists & subconfigure args.
3241 AC_SUBST(host_configargs)
3242 AC_SUBST(configdirs)
3243 AC_SUBST(target_configdirs)
3245 # Target module lists & subconfigure args.
3246 AC_SUBST(target_configargs)
3250 AC_SUBST(AR_FOR_BUILD)
3251 AC_SUBST(AS_FOR_BUILD)
3252 AC_SUBST(CC_FOR_BUILD)
3253 AC_SUBST(CFLAGS_FOR_BUILD)
3254 AC_SUBST(CXXFLAGS_FOR_BUILD)
3255 AC_SUBST(CXX_FOR_BUILD)
3256 AC_SUBST(DLLTOOL_FOR_BUILD)
3257 AC_SUBST(GCJ_FOR_BUILD)
3258 AC_SUBST(GFORTRAN_FOR_BUILD)
3259 AC_SUBST(GOC_FOR_BUILD)
3260 AC_SUBST(LDFLAGS_FOR_BUILD)
3261 AC_SUBST(LD_FOR_BUILD)
3262 AC_SUBST(NM_FOR_BUILD)
3263 AC_SUBST(RANLIB_FOR_BUILD)
3264 AC_SUBST(WINDMC_FOR_BUILD)
3265 AC_SUBST(WINDRES_FOR_BUILD)
3267 # Generate default definitions for YACC, M4, LEX and other programs that run
3268 # on the build machine. These are used if the Makefile can't locate these
3269 # programs in objdir.
3270 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3272 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3273 case " $build_configdirs " in
3274 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3277 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3278 case " $build_configdirs " in
3279 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3282 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3283 case " $build_configdirs " in
3284 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3287 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3288 case " $build_configdirs " in
3289 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3290 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3293 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3294 case " $build_configdirs " in
3295 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3298 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3299 case " $build_configdirs " in
3300 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3303 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3304 # higher, else we use the "missing" dummy.
3305 if ${MAKEINFO} --version \
3306 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3309 MAKEINFO="$MISSING makeinfo"
3315 # FIXME: expect and dejagnu may become build tools?
3317 AC_CHECK_PROGS(EXPECT, expect, expect)
3318 case " $configdirs " in
3320 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3324 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3325 case " $configdirs " in
3327 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3333 NCN_STRICT_CHECK_TOOLS(AR, ar)
3334 NCN_STRICT_CHECK_TOOLS(AS, as)
3335 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3336 NCN_STRICT_CHECK_TOOLS(LD, ld)
3337 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3338 NCN_STRICT_CHECK_TOOLS(NM, nm)
3339 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3340 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3341 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3342 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3343 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3344 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3345 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3352 AC_ARG_WITH([build-time-tools],
3353 [AS_HELP_STRING([--with-build-time-tools=PATH],
3354 [use given path to find target tools during the build])],
3355 [case x"$withval" in
3358 with_build_time_tools=
3359 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3362 [with_build_time_tools=])
3364 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3365 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3366 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3367 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3368 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3369 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3371 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3372 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3373 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3374 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3375 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3376 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3377 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3378 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3379 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3380 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3381 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3382 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3383 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3385 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3387 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3388 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3389 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3390 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3391 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3392 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3394 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3395 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3397 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3398 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3399 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3400 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3401 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3402 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3403 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3404 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3405 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3406 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3407 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3408 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3409 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3410 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3411 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3412 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3413 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3414 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3416 AC_SUBST(FLAGS_FOR_TARGET)
3417 AC_SUBST(RAW_CXX_FOR_TARGET)
3419 # Certain tools may need extra flags.
3420 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3421 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3422 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3424 # When building target libraries, except in a Canadian cross, we use
3425 # the same toolchain as the compiler we just built.
3426 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3427 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3428 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3429 if test $host = $build; then
3430 case " $configdirs " in
3432 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3433 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3434 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3439 AC_SUBST(COMPILER_AS_FOR_TARGET)
3440 AC_SUBST(COMPILER_LD_FOR_TARGET)
3441 AC_SUBST(COMPILER_NM_FOR_TARGET)
3443 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3444 AC_ARG_ENABLE(maintainer-mode,
3445 [AS_HELP_STRING([--enable-maintainer-mode],
3446 [enable make rules and dependencies not useful
3447 (and sometimes confusing) to the casual installer])],
3448 USE_MAINTAINER_MODE=$enableval,
3449 USE_MAINTAINER_MODE=no)
3450 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3451 AC_SUBST(MAINTAINER_MODE_TRUE)
3452 AC_SUBST(MAINTAINER_MODE_FALSE)
3453 if test "$USE_MAINTAINER_MODE" = yes; then
3454 MAINTAINER_MODE_TRUE=
3455 MAINTAINER_MODE_FALSE='#'
3457 MAINTAINER_MODE_TRUE='#'
3458 MAINTAINER_MODE_FALSE=
3460 MAINT=$MAINTAINER_MODE_TRUE
3463 # ---------------------
3464 # GCC bootstrap support
3465 # ---------------------
3467 # Stage specific cflags for build.
3472 yes) stage1_cflags="-g -Wa,-J" ;;
3473 *) stage1_cflags="-g -J" ;;
3477 AC_SUBST(stage1_cflags)
3479 # Enable --enable-checking in stage1 of the compiler.
3480 AC_ARG_ENABLE(stage1-checking,
3481 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3482 [choose additional checking for stage1 of the compiler])],
3483 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3484 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3485 # For --disable-checking or implicit --enable-checking=release, avoid
3486 # setting --enable-checking=gc in the default stage1 checking for LTO
3487 # bootstraps. See PR62077.
3488 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3489 case $BUILD_CONFIG in
3491 if test "x$enable_checking" = x && \
3492 test -d ${srcdir}/gcc && \
3493 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3494 stage1_checking=--enable-checking=yes,types
3496 *) stage1_checking=--enable-checking=yes,types;;
3499 stage1_checking=--enable-checking=$enable_checking,types
3501 AC_SUBST(stage1_checking)
3503 # Enable -Werror in bootstrap stage2 and later.
3504 AC_ARG_ENABLE(werror,
3505 [AS_HELP_STRING([--enable-werror],
3506 [enable -Werror in bootstrap stage2 and later])], [],
3507 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3512 case ${enable_werror} in
3513 yes) stage2_werror_flag="--enable-werror-always" ;;
3514 *) stage2_werror_flag="" ;;
3516 AC_SUBST(stage2_werror_flag)
3518 # Enable --enable-host-shared.
3519 AC_ARG_ENABLE(host-shared,
3520 [AS_HELP_STRING([--enable-host-shared],
3521 [build host code as shared libraries])],
3522 [host_shared=$enableval], [host_shared=no])
3523 AC_SUBST(host_shared)
3525 # PR jit/64780: Require the user to explicitly specify
3526 # --enable-host-shared if the jit is enabled, hinting
3527 # that they might want to do a separate configure/build of
3528 # the jit, to avoid users from slowing down the rest of the
3529 # compiler by enabling the jit.
3530 if test ${host_shared} = "no" ; then
3531 case "${enable_languages}" in
3534 Enabling language "jit" requires --enable-host-shared.
3536 --enable-host-shared typically slows the rest of the compiler down by
3537 a few %, so you must explicitly enable it.
3539 If you want to build both the jit and the regular compiler, it is often
3540 best to do this via two separate configure/builds, in separate
3541 directories, to avoid imposing the performance cost of
3542 --enable-host-shared on the regular compiler.])
3549 # Specify what files to not compare during bootstrap.
3551 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3553 hppa*64*-*-hpux*) ;;
3554 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3555 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3557 AC_SUBST(compare_exclusions)
3559 AC_CONFIG_FILES([Makefile],
3560 [sed "$extrasub_build" Makefile |
3561 sed "$extrasub_host" |
3562 sed "$extrasub_target" > mf$$
3563 mv -f mf$$ Makefile],
3564 [extrasub_build="$extrasub_build"
3565 extrasub_host="$extrasub_host"
3566 extrasub_target="$extrasub_target"])