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}"
871 noconfigdirs="$noconfigdirs ${libgcj}"
875 # Disable the go frontend on systems where it is known to not work. Please keep
876 # this in sync with contrib/config-list.mk.
878 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
879 unsupported_languages="$unsupported_languages go"
883 # Disable libgo for some systems where it is known to not work.
884 # For testing, you can easily override this with --enable-libgo.
885 if test x$enable_libgo = x; then
889 noconfigdirs="$noconfigdirs target-libgo"
891 *-*-cygwin* | *-*-mingw*)
892 noconfigdirs="$noconfigdirs target-libgo"
895 noconfigdirs="$noconfigdirs target-libgo"
900 # Default libgloss CPU subdirectory.
901 libgloss_dir="$target_cpu"
904 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
913 cris-*-* | crisv32-*-*)
922 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
939 # Disable newlib and libgloss for various target OSes.
942 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
944 i[[3456789]]86-*-linux*)
945 # This section makes it possible to build newlib natively on linux.
946 # If we are using a cross compiler then don't configure newlib.
947 if test x${is_cross_compiler} != xno ; then
948 noconfigdirs="$noconfigdirs target-newlib"
950 noconfigdirs="$noconfigdirs target-libgloss"
951 # If we are not using a cross compiler, do configure newlib.
952 # Note however, that newlib will only be configured in this situation
953 # if the --with-newlib option has been given, because otherwise
954 # 'target-newlib' will appear in skipdirs.
956 i[[3456789]]86-*-rdos*)
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
959 sh*-*-pe|mips*-*-pe|arm-wince-pe)
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"
978 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
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"
1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1010 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1011 noconfigdirs="$noconfigdirs sim target-rda"
1013 i[[3456789]]86-*-darwin*)
1014 noconfigdirs="$noconfigdirs ld gprof"
1015 noconfigdirs="$noconfigdirs sim target-rda"
1017 x86_64-*-darwin[[912]]*)
1018 noconfigdirs="$noconfigdirs ld gas gprof"
1019 noconfigdirs="$noconfigdirs sim target-rda"
1022 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1023 noconfigdirs="$noconfigdirs sim target-rda"
1028 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1029 && test -f /usr/local/include/gmp.h; then
1034 # Remove unsupported stuff on all kaOS configurations.
1035 noconfigdirs="$noconfigdirs target-libgloss"
1042 noconfigdirs="$noconfigdirs target-libgloss"
1043 # this is not caught below because this stanza matches earlier
1045 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1048 # The tpf target doesn't support gdb yet.
1050 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1053 noconfigdirs="$noconfigdirs target-rda"
1058 # ld works, but does not support shared libraries.
1059 # gas doesn't generate exception information.
1060 noconfigdirs="$noconfigdirs gas ld"
1063 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1066 # newlib is not 64 bit ready
1067 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1069 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1070 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1073 noconfigdirs="$noconfigdirs target-libgloss"
1076 noconfigdirs="$noconfigdirs target-libgloss"
1079 noconfigdirs="$noconfigdirs ld target-libgloss"
1084 if test x${with_avrlibc} != xno; then
1085 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1088 c4x-*-* | tic4x-*-*)
1089 noconfigdirs="$noconfigdirs target-libgloss"
1092 noconfigdirs="$noconfigdirs target-libgloss gdb"
1095 noconfigdirs="$noconfigdirs target-libgloss"
1098 noconfigdirs="$noconfigdirs gdb"
1101 noconfigdirs="$noconfigdirs gdb"
1104 noconfigdirs="$noconfigdirs target-rda gprof"
1107 noconfigdirs="$noconfigdirs"
1110 noconfigdirs="$noconfigdirs target-libgloss"
1113 noconfigdirs="$noconfigdirs target-libgloss"
1115 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1123 hppa*-*-openbsd* | \
1127 noconfigdirs="$noconfigdirs ld"
1132 noconfigdirs="$noconfigdirs ld"
1135 noconfigdirs="$noconfigdirs gdb"
1138 # No gdb support yet.
1139 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1142 # No ld support yet.
1143 noconfigdirs="$noconfigdirs libgui itcl ld"
1146 # No ld support yet.
1147 noconfigdirs="$noconfigdirs libgui itcl ld"
1149 i[[3456789]]86-w64-mingw*)
1151 i[[3456789]]86-*-mingw*)
1152 target_configdirs="$target_configdirs target-winsup"
1155 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1156 noconfigdirs="$noconfigdirs target-libgloss"
1157 # always build newlib if winsup directory is present.
1158 if test -d "$srcdir/winsup/cygwin"; then
1159 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1160 elif test -d "$srcdir/newlib"; then
1161 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1164 i[[3456789]]86-*-pe)
1165 noconfigdirs="$noconfigdirs target-libgloss"
1167 i[[3456789]]86-*-sco3.2v5*)
1168 # The linker does not yet know about weak symbols in COFF,
1169 # and is not configured to handle mixed ELF and COFF.
1170 noconfigdirs="$noconfigdirs ld target-libgloss"
1172 i[[3456789]]86-*-sco*)
1173 noconfigdirs="$noconfigdirs gprof target-libgloss"
1175 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1176 noconfigdirs="$noconfigdirs target-libgloss"
1178 i[[3456789]]86-*-sysv4*)
1179 noconfigdirs="$noconfigdirs target-libgloss"
1181 i[[3456789]]86-*-beos*)
1182 noconfigdirs="$noconfigdirs gdb"
1184 i[[3456789]]86-*-rdos*)
1185 noconfigdirs="$noconfigdirs gdb"
1188 noconfigdirs="$noconfigdirs gdb"
1191 noconfigdirs="$noconfigdirs sim"
1194 # copied from rs6000-*-* entry
1195 noconfigdirs="$noconfigdirs gprof"
1197 powerpc*-*-winnt* | powerpc*-*-pe*)
1198 target_configdirs="$target_configdirs target-winsup"
1199 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1200 # always build newlib.
1201 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1203 # This is temporary until we can link against shared libraries
1204 powerpcle-*-solaris*)
1205 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1208 noconfigdirs="$noconfigdirs gdb"
1211 noconfigdirs="$noconfigdirs gprof"
1214 noconfigdirs="$noconfigdirs gprof"
1217 noconfigdirs="$noconfigdirs gprof"
1220 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1223 noconfigdirs="$noconfigdirs gprof"
1225 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1226 if test x$with_newlib = xyes; then
1227 noconfigdirs="$noconfigdirs gprof"
1231 noconfigdirs="$noconfigdirs gprof target-libgloss"
1234 noconfigdirs="$noconfigdirs gprof target-libgloss"
1237 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1241 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1242 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1243 noconfigdirs="$noconfigdirs ld gas gprof"
1246 noconfigdirs="$noconfigdirs gprof"
1249 noconfigdirs="$noconfigdirs gdb"
1252 # nvptx is just a compiler
1253 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1256 noconfigdirs="$noconfigdirs gdb"
1263 noconfigdirs="$noconfigdirs target-libgloss" ;;
1267 if test x${is_cross_compiler} = xno ; then
1272 noconfigdirs="$noconfigdirs sim"
1274 tilepro*-*-* | tilegx*-*-*)
1275 noconfigdirs="$noconfigdirs sim"
1278 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1281 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1285 # If we aren't building newlib, then don't build libgloss, since libgloss
1286 # depends upon some newlib header files.
1287 case "${noconfigdirs}" in
1288 *target-libgloss*) ;;
1289 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1292 # Work in distributions that contain no compiler tools, like Autoconf.
1293 host_makefile_frag=/dev/null
1294 if test -d ${srcdir}/config ; then
1296 i[[3456789]]86-*-msdosdjgpp*)
1297 host_makefile_frag="config/mh-djgpp"
1300 ACX_CHECK_CYGWIN_CAT_WORKS
1301 host_makefile_frag="config/mh-cygwin"
1304 host_makefile_frag="config/mh-mingw"
1307 host_makefile_frag="config/mh-pa-hpux10"
1310 host_makefile_frag="config/mh-pa"
1313 host_makefile_frag="config/mh-pa"
1316 host_makefile_frag="config/mh-darwin"
1319 host_makefile_frag="config/mh-ppc-aix"
1322 host_makefile_frag="config/mh-ppc-aix"
1327 if test "${build}" != "${host}" ; then
1328 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1329 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1330 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1331 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1332 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1333 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1334 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1335 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1336 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1337 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1338 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1339 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1340 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1342 AR_FOR_BUILD="\$(AR)"
1343 AS_FOR_BUILD="\$(AS)"
1344 CC_FOR_BUILD="\$(CC)"
1345 CXX_FOR_BUILD="\$(CXX)"
1346 GCJ_FOR_BUILD="\$(GCJ)"
1347 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1348 GOC_FOR_BUILD="\$(GOC)"
1349 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1350 LD_FOR_BUILD="\$(LD)"
1351 NM_FOR_BUILD="\$(NM)"
1352 RANLIB_FOR_BUILD="\$(RANLIB)"
1353 WINDRES_FOR_BUILD="\$(WINDRES)"
1354 WINDMC_FOR_BUILD="\$(WINDMC)"
1360 # We must set the default linker to the linker used by gcc for the correct
1361 # operation of libtool. If LD is not defined and we are using gcc, try to
1362 # set the LD default to the ld used by gcc.
1363 if test -z "$LD"; then
1364 if test "$GCC" = yes; then
1367 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1369 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1371 case $gcc_prog_ld in
1372 # Accept absolute paths.
1373 [[\\/]* | [A-Za-z]:[\\/]*)]
1374 LD="$gcc_prog_ld" ;;
1379 # Check whether -static-libstdc++ -static-libgcc is supported.
1381 if test "$GCC" = yes; then
1382 saved_LDFLAGS="$LDFLAGS"
1384 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1385 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1388 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1389 #error -static-libstdc++ not implemented
1392 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1393 [AC_MSG_RESULT([no])])
1396 LDFLAGS="$saved_LDFLAGS"
1400 ACX_PROG_CMP_IGNORE_INITIAL
1402 AC_ARG_ENABLE([bootstrap],
1403 [AS_HELP_STRING([--enable-bootstrap],
1404 [enable bootstrapping @<:@yes if native build@:>@])],,
1405 enable_bootstrap=default)
1407 # Issue errors and warnings for invalid/strange bootstrap combinations.
1408 if test -r $srcdir/gcc/configure; then
1414 case "$have_compiler:$host:$target:$enable_bootstrap" in
1417 # Default behavior. Enable bootstrap if we have a compiler
1418 # and we are in a native configuration.
1419 yes:$build:$build:default)
1420 enable_bootstrap=yes ;;
1423 enable_bootstrap=no ;;
1425 # We have a compiler and we are in a native configuration, bootstrap is ok
1426 yes:$build:$build:yes)
1429 # Other configurations, but we have a compiler. Assume the user knows
1432 AC_MSG_WARN([trying to bootstrap a cross compiler])
1435 # No compiler: if they passed --enable-bootstrap explicitly, fail
1437 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1439 # Fail if wrong command line
1441 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1445 # Used for setting $lt_cv_objdir
1448 # Check for GMP, MPFR and MPC
1449 gmplibs="-lmpc -lmpfr -lgmp"
1453 # Specify a location for mpc
1454 # check for this first so it ends up on the link line before mpfr.
1456 [AS_HELP_STRING([--with-mpc=PATH],
1457 [specify prefix directory for installed MPC package.
1458 Equivalent to --with-mpc-include=PATH/include
1459 plus --with-mpc-lib=PATH/lib])])
1460 AC_ARG_WITH(mpc-include,
1461 [AS_HELP_STRING([--with-mpc-include=PATH],
1462 [specify directory for installed MPC include files])])
1463 AC_ARG_WITH(mpc-lib,
1464 [AS_HELP_STRING([--with-mpc-lib=PATH],
1465 [specify directory for the installed MPC library])])
1467 if test "x$with_mpc" != x; then
1468 gmplibs="-L$with_mpc/lib $gmplibs"
1469 gmpinc="-I$with_mpc/include $gmpinc"
1471 if test "x$with_mpc_include" != x; then
1472 gmpinc="-I$with_mpc_include $gmpinc"
1474 if test "x$with_mpc_lib" != x; then
1475 gmplibs="-L$with_mpc_lib $gmplibs"
1477 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1478 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1479 gmpinc='-I$$s/mpc/src '"$gmpinc"
1480 # Do not test the mpc version. Assume that it is sufficient, since
1481 # it is in the source tree, and the library has not been built yet
1482 # but it would be included on the link line in the version check below
1483 # hence making the test fail.
1487 # Specify a location for mpfr
1488 # check for this first so it ends up on the link line before gmp.
1489 AC_ARG_WITH(mpfr-dir,
1490 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1491 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1492 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1495 [AS_HELP_STRING([--with-mpfr=PATH],
1496 [specify prefix directory for installed MPFR package.
1497 Equivalent to --with-mpfr-include=PATH/include
1498 plus --with-mpfr-lib=PATH/lib])])
1499 AC_ARG_WITH(mpfr-include,
1500 [AS_HELP_STRING([--with-mpfr-include=PATH],
1501 [specify directory for installed MPFR include files])])
1502 AC_ARG_WITH(mpfr-lib,
1503 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1504 [specify directory for the installed MPFR library])])
1506 if test "x$with_mpfr" != x; then
1507 gmplibs="-L$with_mpfr/lib $gmplibs"
1508 gmpinc="-I$with_mpfr/include $gmpinc"
1510 if test "x$with_mpfr_include" != x; then
1511 gmpinc="-I$with_mpfr_include $gmpinc"
1513 if test "x$with_mpfr_lib" != x; then
1514 gmplibs="-L$with_mpfr_lib $gmplibs"
1516 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1517 # MPFR v3.1.0 moved the sources into a src sub-directory.
1518 if test -d ${srcdir}/mpfr/src; then
1519 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1520 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1521 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1523 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1524 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1525 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1527 # Do not test the mpfr version. Assume that it is sufficient, since
1528 # it is in the source tree, and the library has not been built yet
1529 # but it would be included on the link line in the version check below
1530 # hence making the test fail.
1534 # Specify a location for gmp
1535 AC_ARG_WITH(gmp-dir,
1536 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1537 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1538 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1541 [AS_HELP_STRING([--with-gmp=PATH],
1542 [specify prefix directory for the installed GMP package.
1543 Equivalent to --with-gmp-include=PATH/include
1544 plus --with-gmp-lib=PATH/lib])])
1545 AC_ARG_WITH(gmp-include,
1546 [AS_HELP_STRING([--with-gmp-include=PATH],
1547 [specify directory for installed GMP include files])])
1548 AC_ARG_WITH(gmp-lib,
1549 [AS_HELP_STRING([--with-gmp-lib=PATH],
1550 [specify directory for the installed GMP library])])
1553 if test "x$with_gmp" != x; then
1554 gmplibs="-L$with_gmp/lib $gmplibs"
1555 gmpinc="-I$with_gmp/include $gmpinc"
1557 if test "x$with_gmp_include" != x; then
1558 gmpinc="-I$with_gmp_include $gmpinc"
1560 if test "x$with_gmp_lib" != x; then
1561 gmplibs="-L$with_gmp_lib $gmplibs"
1563 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1564 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1565 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1566 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1567 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1568 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1569 # Do not test the gmp version. Assume that it is sufficient, since
1570 # it is in the source tree, and the library has not been built yet
1571 # but it would be included on the link line in the version check below
1572 # hence making the test fail.
1576 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1578 saved_CFLAGS="$CFLAGS"
1579 CFLAGS="$CFLAGS $gmpinc"
1580 # Check for the recommended and required versions of GMP.
1581 AC_MSG_CHECKING([for the correct version of gmp.h])
1582 AC_TRY_COMPILE([#include "gmp.h"],[
1583 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1584 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1585 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1588 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1589 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1590 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1591 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1594 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1595 [AC_MSG_RESULT([no]); have_gmp=no])
1597 # If we have GMP, check the MPFR version.
1598 if test x"$have_gmp" = xyes; then
1599 # Check for the recommended and required versions of MPFR.
1600 AC_MSG_CHECKING([for the correct version of mpfr.h])
1601 AC_TRY_COMPILE([#include <gmp.h>
1602 #include <mpfr.h>],[
1603 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1606 ], [AC_TRY_COMPILE([#include <gmp.h>
1607 #include <mpfr.h>],[
1608 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1611 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1612 [AC_MSG_RESULT([no]); have_gmp=no])
1615 # Check for the MPC header version.
1616 if test x"$have_gmp" = xyes ; then
1617 # Check for the recommended and required versions of MPC.
1618 AC_MSG_CHECKING([for the correct version of mpc.h])
1619 AC_TRY_COMPILE([#include <mpc.h>],[
1620 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1623 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1624 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1627 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1628 [AC_MSG_RESULT([no]); have_gmp=no])
1631 # Now check the MPFR library.
1632 if test x"$have_gmp" = xyes; then
1634 LIBS="$LIBS $gmplibs"
1635 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1636 AC_TRY_LINK([#include <mpc.h>],[
1643 mpfr_atan2 (n, n, x, GMP_RNDN);
1644 mpfr_erfc (n, x, GMP_RNDN);
1645 mpfr_subnormalize (x, t, GMP_RNDN);
1649 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1650 mpc_cosh (c, c, MPC_RNDNN);
1651 mpc_pow (c, c, c, MPC_RNDNN);
1652 mpc_acosh (c, c, MPC_RNDNN);
1654 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1658 CFLAGS="$saved_CFLAGS"
1660 # The library versions listed in the error message below should match
1661 # the HARD-minimums enforced above.
1662 if test x$have_gmp != xyes; then
1663 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1664 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1665 their locations. Source code for these libraries can be found at
1666 their respective hosting sites as well as at
1667 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1668 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1669 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1670 make sure that you have installed both the libraries and the header
1671 files. They may be located in separate packages.])
1675 # Flags needed for both GMP, MPFR and/or MPC.
1678 AC_SUBST(extra_mpfr_configure_flags)
1679 AC_SUBST(extra_mpc_gmp_configure_flags)
1680 AC_SUBST(extra_mpc_mpfr_configure_flags)
1681 AC_SUBST(extra_isl_gmp_configure_flags)
1683 # Allow host libstdc++ to be specified for static linking with PPL.
1684 AC_ARG_WITH(host-libstdcxx,
1685 [AS_HELP_STRING([--with-host-libstdcxx=L],
1686 [use linker arguments L to link with libstdc++
1687 when linking with PPL])])
1689 case $with_host_libstdcxx in
1691 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1695 # Libraries to use for stage1 or when not bootstrapping.
1696 AC_ARG_WITH(stage1-libs,
1697 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1698 [if test "$withval" = "no" -o "$withval" = "yes"; then
1701 stage1_libs=$withval
1703 [stage1_libs=$with_host_libstdcxx])
1704 AC_SUBST(stage1_libs)
1706 # Linker flags to use for stage1 or when not bootstrapping.
1707 AC_ARG_WITH(stage1-ldflags,
1708 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1709 [if test "$withval" = "no" -o "$withval" = "yes"; then
1712 stage1_ldflags=$withval
1715 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1716 # if supported. But if the user explicitly specified the libraries to use,
1717 # trust that they are doing what they want.
1718 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1719 stage1_ldflags="-static-libstdc++ -static-libgcc"
1721 AC_SUBST(stage1_ldflags)
1723 # Libraries to use for stage2 and later builds. This defaults to the
1724 # argument passed to --with-host-libstdcxx.
1725 AC_ARG_WITH(boot-libs,
1726 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1727 [if test "$withval" = "no" -o "$withval" = "yes"; then
1730 poststage1_libs=$withval
1732 [poststage1_libs=$with_host_libstdcxx])
1733 AC_SUBST(poststage1_libs)
1735 # Linker flags to use for stage2 and later builds.
1736 AC_ARG_WITH(boot-ldflags,
1737 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1738 [linker flags for stage2 and later])],
1739 [if test "$withval" = "no" -o "$withval" = "yes"; then
1742 poststage1_ldflags=$withval
1744 [poststage1_ldflags=
1745 # In stages 2 and 3, default to linking libstdc++ and libgcc
1746 # statically. But if the user explicitly specified the libraries to
1747 # use, trust that they are doing what they want.
1748 if test "$poststage1_libs" = ""; then
1749 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1751 AC_SUBST(poststage1_ldflags)
1753 # GCC GRAPHITE dependency ISL.
1754 # Basic setup is inlined here, actual checks are in config/isl.m4
1759 [Specify prefix directory for the installed ISL package.
1760 Equivalent to --with-isl-include=PATH/include
1761 plus --with-isl-lib=PATH/lib])])
1763 # Treat --without-isl as a request to disable
1764 # GRAPHITE support and skip all following checks.
1765 if test "x$with_isl" != "xno"; then
1767 dnl Provide configure switches and initialize islinc & isllibs
1768 dnl with user input.
1770 dnl The versions of ISL that work for Graphite
1772 dnl Only execute fail-action, if ISL has been requested.
1774 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1777 # If the ISL check failed, disable builds of in-tree variant of ISL
1778 if test "x$with_isl" = xno ||
1779 test "x$gcc_cv_isl" = xno; then
1780 noconfigdirs="$noconfigdirs isl"
1787 # Check for LTO support.
1789 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1790 enable_lto=$enableval,
1791 enable_lto=yes; default_enable_lto=yes)
1793 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1794 build_lto_plugin=yes
1795 ],[if test x"$default_enable_lto" = x"yes" ; then
1797 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1798 # On other non-ELF platforms, LTO has yet to be validated.
1802 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1803 # It would also be nice to check the binutils support, but we don't
1804 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1805 # warn during gcc/ subconfigure; unless you're bootstrapping with
1806 # -flto it won't be needed until after installation anyway.
1808 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1809 *) if test x"$enable_lto" = x"yes"; then
1810 AC_MSG_ERROR([LTO support is not enabled for this target.])
1815 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1816 # Build it unless LTO was explicitly disabled.
1818 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1823 AC_ARG_ENABLE(linker-plugin-configure-flags,
1824 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1825 [additional flags for configuring linker plugins @<:@none@:>@])],
1826 extra_linker_plugin_configure_flags=$enableval,
1827 extra_linker_plugin_configure_flags=)
1828 AC_SUBST(extra_linker_plugin_configure_flags)
1829 AC_ARG_ENABLE(linker-plugin-flags,
1830 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1831 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1832 extra_linker_plugin_flags=$enableval,
1833 extra_linker_plugin_flags=)
1834 AC_SUBST(extra_linker_plugin_flags)
1837 # By default, C and C++ are the only stage 1 languages.
1838 stage1_languages=,c,
1840 # Target libraries that we bootstrap.
1841 bootstrap_target_libs=,target-libgcc,
1843 # Figure out what language subdirectories are present.
1844 # Look if the user specified --enable-languages="..."; if not, use
1845 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1847 # NB: embedded tabs in this IF block -- do not untabify
1848 if test -d ${srcdir}/gcc; then
1849 if test x"${enable_languages+set}" != xset; then
1850 if test x"${LANGUAGES+set}" = xset; then
1851 enable_languages="${LANGUAGES}"
1852 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1854 enable_languages=all
1857 if test x"${enable_languages}" = x ||
1858 test x"${enable_languages}" = xyes;
1860 echo configure.in: --enable-languages needs at least one language argument 1>&2
1864 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1866 # 'f95' is the old name for the 'fortran' language. We issue a warning
1867 # and make the substitution.
1868 case ,${enable_languages}, in
1870 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1871 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1875 # If bootstrapping, C++ must be enabled.
1876 case ",$enable_languages,:$enable_bootstrap" in
1879 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1880 enable_languages="${enable_languages},c++"
1882 AC_MSG_ERROR([bootstrapping requires c++ sources])
1887 # First scan to see if an enabled language requires some other language.
1888 # We assume that a given config-lang.in will list all the language
1889 # front ends it requires, even if some are required indirectly.
1890 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1891 case ${lang_frag} in
1893 # The odd quoting in the next line works around
1894 # an apparent bug in bash 1.12 on linux.
1895 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1897 # From the config-lang.in, get $language, $lang_requires, and
1898 # $lang_requires_boot_languages.
1901 lang_requires_boot_languages=
1903 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1904 case ,${enable_languages}, in
1908 echo " \`$other' language required by \`$language'; enabling" 1>&2
1909 enable_languages="${enable_languages},${other}"
1913 for other in ${lang_requires_boot_languages} ; do
1914 if test "$other" != "c"; then
1915 case ,${enable_stage1_languages}, in
1919 case ,${enable_languages}, in
1921 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1922 enable_stage1_languages="$enable_stage1_languages,${other}"
1933 new_enable_languages=,c,
1935 # If LTO is enabled, add the LTO front end.
1936 if test "$enable_lto" = "yes" ; then
1937 case ,${enable_languages}, in
1939 *) enable_languages="${enable_languages},lto" ;;
1941 if test "${build_lto_plugin}" = "yes" ; then
1942 configdirs="$configdirs lto-plugin"
1946 # If we're building an offloading compiler, add the LTO front end.
1947 if test x"$enable_as_accelerator_for" != x ; then
1948 case ,${enable_languages}, in
1950 *) enable_languages="${enable_languages},lto" ;;
1954 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1955 potential_languages=,c,
1957 enabled_target_libs=
1958 disabled_target_libs=
1960 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1961 case ${lang_frag} in
1963 # The odd quoting in the next line works around
1964 # an apparent bug in bash 1.12 on linux.
1965 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1967 # From the config-lang.in, get $language, $target_libs,
1968 # $lang_dirs, $boot_language, and $build_by_default
1974 build_by_default=yes
1976 if test x${language} = x; then
1977 echo "${lang_frag} doesn't set \$language." 1>&2
1981 if test "$language" = "c++"; then
1986 case ,${enable_languages}, in
1988 # Language was explicitly selected; include it
1989 # unless it is C, which is enabled by default.
1990 if test "$language" != "c"; then
1995 # 'all' was selected, select it if it is a default language
1996 if test "$language" != "c"; then
1997 add_this_lang=${build_by_default}
2002 # Disable languages that need other directories if these aren't available.
2003 for i in $subdir_requires; do
2004 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2005 case ,${enable_languages}, in
2007 # Specifically requested language; tell them.
2008 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2012 add_this_lang=unsupported
2017 # Disable Ada if no preexisting GNAT is available.
2018 case ,${enable_languages},:${language}:${have_gnat} in
2019 *,${language},*:ada:no)
2020 # Specifically requested language; tell them.
2021 AC_MSG_ERROR([GNAT is required to build $language])
2025 add_this_lang=unsupported
2029 # Disable a language that is unsupported by the target.
2030 case " $unsupported_languages " in
2032 add_this_lang=unsupported
2036 case $add_this_lang in
2038 # Remove language-dependent dirs.
2039 disabled_target_libs="$disabled_target_libs $target_libs"
2040 noconfigdirs="$noconfigdirs $lang_dirs"
2043 # Remove language-dependent dirs; still show language as supported.
2044 disabled_target_libs="$disabled_target_libs $target_libs"
2045 noconfigdirs="$noconfigdirs $lang_dirs"
2046 potential_languages="${potential_languages}${language},"
2049 new_enable_languages="${new_enable_languages}${language},"
2050 potential_languages="${potential_languages}${language},"
2051 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2052 enabled_target_libs="$enabled_target_libs $target_libs"
2053 case "${boot_language}:,$enable_stage1_languages," in
2054 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2055 # Add to (comma-separated) list of stage 1 languages.
2056 case ",$stage1_languages," in
2057 *,$language,* | ,yes, | ,all,) ;;
2058 *) stage1_languages="${stage1_languages}${language}," ;;
2060 # We need to bootstrap any supporting libraries.
2061 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2070 # Add target libraries which are only needed for disabled languages
2072 if test -n "$disabled_target_libs"; then
2073 for dir in $disabled_target_libs; do
2074 case " $enabled_target_libs " in
2076 *) noconfigdirs="$noconfigdirs $dir" ;;
2081 AC_ARG_ENABLE(stage1-languages,
2082 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2083 [choose additional languages to build during
2084 stage1. Mostly useful for compiler development])],
2085 [case ,${enable_stage1_languages}, in
2087 # Set it to something that will have no effect in the loop below
2088 enable_stage1_languages=c ;;
2090 enable_stage1_languages=`echo $new_enable_languages | \
2091 sed -e "s/^,//" -e "s/,$//" ` ;;
2093 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2094 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2097 # Add "good" languages from enable_stage1_languages to stage1_languages,
2098 # while "bad" languages go in missing_languages. Leave no duplicates.
2099 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2100 case $potential_languages in
2102 case $stage1_languages in
2104 *) stage1_languages="$stage1_languages$i," ;;
2107 case $missing_languages in
2109 *) missing_languages="$missing_languages$i," ;;
2114 # Remove leading/trailing commas that were added for simplicity
2115 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2116 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2117 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2118 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2120 if test "x$missing_languages" != x; then
2122 The following requested languages could not be built: ${missing_languages}
2123 Supported languages are: ${potential_languages}])
2125 if test "x$new_enable_languages" != "x$enable_languages"; then
2126 echo The following languages will be built: ${new_enable_languages}
2127 enable_languages="$new_enable_languages"
2130 AC_SUBST(stage1_languages)
2131 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2134 # Handle --disable-<component> generically.
2135 for dir in $configdirs $build_configdirs $target_configdirs ; do
2136 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2137 varname=`echo $dirname | sed -e s/+/_/g`
2138 if eval test x\${enable_${varname}} "=" xno ; then
2139 noconfigdirs="$noconfigdirs $dir"
2143 # Check for Boehm's garbage collector
2144 AC_ARG_ENABLE(objc-gc,
2145 [AS_HELP_STRING([--enable-objc-gc],
2146 [enable use of Boehm's garbage collector with the
2147 GNU Objective-C runtime])],
2148 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2149 *,objc,*:*:yes:*target-boehm-gc*)
2150 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2154 # Make sure we only build Boehm's garbage collector if required.
2155 case ,${enable_languages},:${enable_objc_gc} in
2157 # Keep target-boehm-gc if requested for Objective-C.
2160 # Otherwise remove target-boehm-gc depending on target-libjava.
2161 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2162 noconfigdirs="$noconfigdirs target-boehm-gc"
2167 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2168 case ,${enable_languages}, in
2170 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2171 case "${noconfigdirs}" in
2172 *target-libstdc++-v3*)
2173 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2179 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2183 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2184 # $build_configdirs and $target_configdirs.
2185 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2188 for dir in . $skipdirs $noconfigdirs ; do
2189 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2190 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2191 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2192 if test -r $srcdir/$dirname/configure ; then
2193 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2196 notsupp="$notsupp $dir"
2200 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2202 if test -r $srcdir/$dirname/configure ; then
2203 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2206 notsupp="$notsupp $dir"
2210 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2211 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2212 if test -r $srcdir/$dirname/configure ; then
2213 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2216 notsupp="$notsupp $dir"
2222 # Quietly strip out all directories which aren't configurable in this tree.
2223 # This relies on all configurable subdirectories being autoconfiscated, which
2225 build_configdirs_all="$build_configdirs"
2227 for i in ${build_configdirs_all} ; do
2228 j=`echo $i | sed -e s/build-//g`
2229 if test -f ${srcdir}/$j/configure ; then
2230 build_configdirs="${build_configdirs} $i"
2234 configdirs_all="$configdirs"
2236 for i in ${configdirs_all} ; do
2237 if test -f ${srcdir}/$i/configure ; then
2238 configdirs="${configdirs} $i"
2242 target_configdirs_all="$target_configdirs"
2244 for i in ${target_configdirs_all} ; do
2245 j=`echo $i | sed -e s/target-//g`
2246 if test -f ${srcdir}/$j/configure ; then
2247 target_configdirs="${target_configdirs} $i"
2251 # Exclude target-zlib if target-libjava isn't built.
2252 case ${target_configdirs} in
2256 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2260 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2261 # so we have to add it after the preceding checks.
2262 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2264 case " $configdirs " in
2266 # If we can build libiberty, we can also build libiberty-linker-plugin.
2267 configdirs="$configdirs libiberty-linker-plugin"
2268 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2269 --with-libiberty=../libiberty-linker-plugin";;
2271 AC_MSG_ERROR([libiberty missing]);;
2275 # Sometimes we have special requirements for the host libiberty.
2276 extra_host_libiberty_configure_flags=
2277 case " $configdirs " in
2278 *" lto-plugin "* | *" libcc1 "*)
2279 # When these are to be built as shared libraries, the same applies to
2281 extra_host_libiberty_configure_flags=--enable-shared
2284 AC_SUBST(extra_host_libiberty_configure_flags)
2286 # Produce a warning message for the subdirs we can't configure.
2287 # This isn't especially interesting in the Cygnus tree, but in the individual
2288 # FSF releases, it's important to let people know when their machine isn't
2289 # supported by the one or two programs in a package.
2291 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2292 # If $appdirs is non-empty, at least one of those directories must still
2293 # be configured, or we error out. (E.g., if the gas release supports a
2294 # specified target in some subdirs but not the gas subdir, we shouldn't
2295 # pretend that all is well.)
2296 if test -n "$appdirs" ; then
2297 for dir in $appdirs ; do
2298 if test -r $dir/Makefile.in ; then
2299 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2303 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2309 if test -n "$appdirs" ; then
2310 echo "*** This configuration is not supported by this package." 1>&2
2314 # Okay, some application will build, or we don't care to check. Still
2315 # notify of subdirs not getting built.
2316 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2317 echo " ${notsupp}" 1>&2
2318 echo " (Any other directories should still work fine.)" 1>&2
2326 # To find our prefix, in gcc_cv_tool_prefix.
2331 AC_ARG_WITH([build-sysroot],
2332 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2333 [use sysroot as the system root during the build])],
2334 [if test x"$withval" != x ; then
2335 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2337 [SYSROOT_CFLAGS_FOR_TARGET=])
2338 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2340 AC_ARG_WITH([debug-prefix-map],
2341 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2342 [map A to B, C to D ... in debug information])],
2343 [if test x"$withval" != x; then
2344 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2345 for debug_map in $withval; do
2346 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2349 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2350 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2352 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2353 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2354 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2355 # We want to ensure that TARGET libraries (which we know are built with
2356 # gcc) are built with "-O2 -g", so include those options when setting
2357 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2358 if test "x$CFLAGS_FOR_TARGET" = x; then
2359 if test "x${is_cross_compiler}" = xyes; then
2360 CFLAGS_FOR_TARGET="-g -O2"
2362 CFLAGS_FOR_TARGET=$CFLAGS
2365 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2368 *" -g "* | *" -g3 "*) ;;
2369 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2373 AC_SUBST(CFLAGS_FOR_TARGET)
2375 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2376 if test "x${is_cross_compiler}" = xyes; then
2377 CXXFLAGS_FOR_TARGET="-g -O2"
2379 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2380 case " $CXXFLAGS " in
2382 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2384 case " $CXXFLAGS " in
2385 *" -g "* | *" -g3 "*) ;;
2386 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2390 AC_SUBST(CXXFLAGS_FOR_TARGET)
2392 AC_SUBST(LDFLAGS_FOR_TARGET)
2394 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2395 # the named directory are copied to $(tooldir)/sys-include.
2396 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2397 if test x${is_cross_compiler} = xno ; then
2398 echo 1>&2 '***' --with-headers is only supported when cross compiling
2401 if test x"${with_headers}" != xyes ; then
2402 x=${gcc_cv_tool_prefix}
2403 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2407 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2408 # the name directories are copied to $(tooldir)/lib. Multiple directories
2410 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2411 if test x${is_cross_compiler} = xno ; then
2412 echo 1>&2 '***' --with-libs is only supported when cross compiling
2415 if test x"${with_libs}" != xyes ; then
2416 # Copy the libraries in reverse order, so that files in the first named
2417 # library override files in subsequent libraries.
2418 x=${gcc_cv_tool_prefix}
2419 for l in ${with_libs}; do
2420 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2425 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2427 # This is done by determining whether or not the appropriate directory
2428 # is available, and by checking whether or not specific configurations
2429 # have requested that this magic not happen.
2431 # The command line options always override the explicit settings in
2432 # configure.in, and the settings in configure.in override this magic.
2434 # If the default for a toolchain is to use GNU as and ld, and you don't
2435 # want to do that, then you should use the --without-gnu-as and
2436 # --without-gnu-ld options for the configure script. Similarly, if
2437 # the default is to use the included zlib and you don't want to do that,
2438 # you should use the --with-system-zlib option for the configure script.
2440 if test x${use_gnu_as} = x &&
2441 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2443 extra_host_args="$extra_host_args --with-gnu-as"
2446 if test x${use_gnu_ld} = x &&
2447 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2449 extra_host_args="$extra_host_args --with-gnu-ld"
2452 if test x${use_included_zlib} = x &&
2453 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2456 with_system_zlib=yes
2457 extra_host_args="$extra_host_args --with-system-zlib"
2460 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2461 # can detect this case.
2463 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2465 extra_host_args="$extra_host_args --with-newlib"
2468 # Handle ${copy_dirs}
2469 set fnord ${copy_dirs}
2471 while test $# != 0 ; do
2472 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2475 echo Copying $1 to $2
2477 # Use the install script to create the directory and all required
2478 # parent directories.
2479 if test -d $2 ; then
2483 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2486 # Copy the directory, assuming we have tar.
2487 # FIXME: Should we use B in the second tar? Not all systems support it.
2488 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2490 # It is the responsibility of the user to correctly adjust all
2491 # symlinks. If somebody can figure out how to handle them correctly
2492 # here, feel free to add the code.
2499 # Determine a target-dependent exec_prefix that the installed
2500 # gcc will search in. Keep this list sorted by triplet, with
2501 # the *-*-osname triplets last.
2504 i[[34567]]86-pc-msdosdjgpp*)
2505 md_exec_prefix=/dev/env/DJDIR/bin
2510 md_exec_prefix=/usr/ccs/bin
2514 extra_arflags_for_target=
2515 extra_nmflags_for_target=
2516 extra_ranlibflags_for_target=
2517 target_makefile_frag=/dev/null
2520 target_makefile_frag="config/mt-spu"
2522 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2523 target_makefile_frag="config/mt-sde"
2525 mipsisa*-*-elfoabi*)
2526 target_makefile_frag="config/mt-mips-elfoabi"
2528 mips*-*-*linux* | mips*-*-gnu*)
2529 target_makefile_frag="config/mt-mips-gnu"
2532 target_makefile_frag="config/mt-nios2-elf"
2534 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2535 target_makefile_frag="config/mt-gnu"
2537 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2538 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2539 # commands to handle both 32-bit and 64-bit objects. These flags are
2540 # harmless if we're using GNU nm or ar.
2541 extra_arflags_for_target=" -X32_64"
2542 extra_nmflags_for_target=" -B -X32_64"
2546 alphaieee_frag=/dev/null
2549 # This just makes sure to use the -mieee option to build target libs.
2550 # This should probably be set individually by each library.
2551 alphaieee_frag="config/mt-alphaieee"
2555 # If --enable-target-optspace always use -Os instead of -O2 to build
2556 # the target libraries, similarly if it is not specified, use -Os
2557 # on selected platforms.
2558 ospace_frag=/dev/null
2559 case "${enable_target_optspace}:${target}" in
2561 ospace_frag="config/mt-ospace"
2564 ospace_frag="config/mt-d30v"
2566 :m32r-* | :d10v-* | :fr30-*)
2567 ospace_frag="config/mt-ospace"
2572 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2576 # Some systems (e.g., one of the i386-aix systems the gas testers are
2577 # using) don't handle "\$" correctly, so don't use it here.
2578 tooldir='${exec_prefix}'/${target_noncanonical}
2579 build_tooldir=${tooldir}
2581 # Create a .gdbinit file which runs the one in srcdir
2582 # and tells GDB to look there for source files.
2584 if test -r ${srcdir}/.gdbinit ; then
2587 *) cat > ./.gdbinit <<EOF
2591 source ${srcdir}/.gdbinit
2597 # Make sure that the compiler is able to generate an executable. If it
2598 # can't, we are probably in trouble. We don't care whether we can run the
2599 # executable--we might be using a cross compiler--we only care whether it
2600 # can be created. At this point the main configure script has set CC.
2602 echo "int main () { return 0; }" > conftest.c
2603 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2604 if test $? = 0 ; then
2605 if test -s conftest || test -s conftest.exe ; then
2611 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2612 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2619 # Decide which environment variable is used to find dynamic libraries.
2621 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2622 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2623 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2624 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2627 # On systems where the dynamic library environment variable is PATH,
2628 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2629 # built executables to PATH.
2630 if test "$RPATH_ENVVAR" = PATH; then
2631 GCC_SHLIB_SUBDIR=/shlib
2636 # Adjust the toplevel makefile according to whether bootstrap was selected.
2637 case $enable_bootstrap in
2639 bootstrap_suffix=bootstrap
2640 BUILD_CONFIG=bootstrap-debug
2643 bootstrap_suffix=no-bootstrap
2648 AC_MSG_CHECKING(for default BUILD_CONFIG)
2650 AC_ARG_WITH([build-config],
2651 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2652 [use config/NAME.mk build configuration])],
2653 [case $with_build_config in
2654 yes) with_build_config= ;;
2655 no) with_build_config= BUILD_CONFIG= ;;
2658 if test "x${with_build_config}" != x; then
2659 BUILD_CONFIG=$with_build_config
2661 case $BUILD_CONFIG in
2663 if echo "int f (void) { return 0; }" > conftest.c &&
2664 ${CC} -c conftest.c &&
2665 mv conftest.o conftest.o.g0 &&
2666 ${CC} -c -g conftest.c &&
2667 mv conftest.o conftest.o.g &&
2668 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2673 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2677 AC_MSG_RESULT($BUILD_CONFIG)
2678 AC_SUBST(BUILD_CONFIG)
2680 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2681 AC_MSG_CHECKING([for --enable-vtable-verify])
2682 AC_ARG_ENABLE(vtable-verify,
2683 [ --enable-vtable-verify Enable vtable verification feature ],
2684 [case "$enableval" in
2685 yes) enable_vtable_verify=yes ;;
2686 no) enable_vtable_verify=no ;;
2687 *) enable_vtable_verify=no;;
2689 [enable_vtable_verify=no])
2690 AC_MSG_RESULT($enable_vtable_verify)
2692 # Record target_configdirs and the configure arguments for target and
2693 # build configuration in Makefile.
2694 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2695 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2696 bootstrap_fixincludes=no
2698 # If we are building libgomp, bootstrap it.
2699 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2700 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2703 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2704 # or bootstrap-ubsan, bootstrap it.
2705 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2706 case "$BUILD_CONFIG" in
2707 *bootstrap-asan* | *bootstrap-ubsan* )
2708 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2709 bootstrap_fixincludes=yes
2714 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2715 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2716 test "$enable_vtable_verify" != no; then
2717 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2720 # If we are building libmpx, bootstrap it.
2721 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2722 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2725 # Determine whether gdb needs tk/tcl or not.
2726 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2727 # and in that case we want gdb to be built without tk. Ugh!
2728 # In fact I believe gdb is the *only* package directly dependent on tk,
2729 # so we should be able to put the 'maybe's in unconditionally and
2730 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2731 # 100% sure that that's safe though.
2733 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2734 case "$enable_gdbtk" in
2738 GDB_TK="${gdb_tk}" ;;
2740 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2741 # distro. Eventually someone will fix this and move Insight, nee
2742 # gdbtk to a separate directory.
2743 if test -d ${srcdir}/gdb/gdbtk ; then
2750 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2751 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2753 # Strip out unwanted targets.
2755 # While at that, we remove Makefiles if we were started for recursive
2756 # configuration, so that the top-level Makefile reconfigures them,
2757 # like we used to do when configure itself was recursive.
2759 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2760 # but now we're fixing up the Makefile ourselves with the additional
2761 # commands passed to AC_CONFIG_FILES. Use separate variables
2762 # extrasub-{build,host,target} not because there is any reason to split
2763 # the substitutions up that way, but only to remain below the limit of
2764 # 99 commands in a script, for HP-UX sed.
2765 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2767 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2768 yes:yes:*\ gold\ *:*,c++,*) ;;
2769 yes:yes:*\ gold\ *:*)
2770 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2775 for module in ${build_configdirs} ; do
2776 if test -z "${no_recursion}" \
2777 && test -f ${build_subdir}/${module}/Makefile; then
2778 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2779 rm -f ${build_subdir}/${module}/Makefile
2781 extrasub_build="$extrasub_build
2782 /^@if build-$module\$/d
2783 /^@endif build-$module\$/d
2784 /^@if build-$module-$bootstrap_suffix\$/d
2785 /^@endif build-$module-$bootstrap_suffix\$/d"
2788 for module in ${configdirs} ; do
2789 if test -z "${no_recursion}"; then
2790 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2791 if test -f ${file}; then
2792 echo 1>&2 "*** removing ${file} to force reconfigure"
2797 case ${module},${bootstrap_fixincludes} in
2798 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2799 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2801 extrasub_host="$extrasub_host
2803 /^@endif $module\$/d
2804 /^@if $module-$host_bootstrap_suffix\$/d
2805 /^@endif $module-$host_bootstrap_suffix\$/d"
2808 for module in ${target_configdirs} ; do
2809 if test -z "${no_recursion}" \
2810 && test -f ${target_subdir}/${module}/Makefile; then
2811 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2812 rm -f ${target_subdir}/${module}/Makefile
2815 # We only bootstrap target libraries listed in bootstrap_target_libs.
2816 case $bootstrap_target_libs in
2817 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2818 *) target_bootstrap_suffix=no-bootstrap ;;
2821 extrasub_target="$extrasub_target
2822 /^@if target-$module\$/d
2823 /^@endif target-$module\$/d
2824 /^@if target-$module-$target_bootstrap_suffix\$/d
2825 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2828 # Do the final fixup along with target modules.
2829 extrasub_target="$extrasub_target
2830 /^@if /,/^@endif /d"
2832 # Create the serialization dependencies. This uses a temporary file.
2834 AC_ARG_ENABLE([serial-configure],
2835 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2836 [force sequential configuration of
2837 sub-packages for the host, target or build
2838 machine, or all sub-packages])])
2840 case ${enable_serial_configure} in
2842 enable_serial_build_configure=yes
2843 enable_serial_host_configure=yes
2844 enable_serial_target_configure=yes
2848 # These force 'configure's to be done one at a time, to avoid problems
2849 # with contention over a shared config.cache.
2851 echo '# serdep.tmp' > serdep.tmp
2853 test "x${enable_serial_build_configure}" = xyes &&
2854 for item in ${build_configdirs} ; do
2857 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2862 test "x${enable_serial_host_configure}" = xyes &&
2863 for item in ${configdirs} ; do
2866 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2871 test "x${enable_serial_target_configure}" = xyes &&
2872 for item in ${target_configdirs} ; do
2875 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2879 serialization_dependencies=serdep.tmp
2880 AC_SUBST_FILE(serialization_dependencies)
2882 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2883 # target, nonopt, and variable assignments. These are the ones we
2884 # might not want to pass down to subconfigures. The exception being
2885 # --cache-file=/dev/null, which is used to turn off the use of cache
2886 # files altogether, and which should be passed on to subconfigures.
2887 # Also strip program-prefix, program-suffix, and program-transform-name,
2888 # so that we can pass down a consistent program-transform-name.
2893 eval "set -- $ac_configure_args"
2896 if test X"$skip_next" = X"yes"; then
2900 if test X"$keep_next" = X"yes"; then
2903 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2905 baseargs="$baseargs '$ac_arg'"
2906 tbaseargs="$tbaseargs '$ac_arg'"
2911 # Handle separated arguments. Based on the logic generated by
2914 *=* | --config-cache | -C | -disable-* | --disable-* \
2915 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2916 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2917 | -with-* | --with-* | -without-* | --without-* | --x)
2931 --with-* | --without-*)
2932 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2936 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2939 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2948 mpc | mpfr | gmp | isl)
2949 # If we're processing --with-$lib, --with-$lib-include or
2950 # --with-$lib-lib, for one of the libs above, and target is
2951 # different from host, don't pass the current argument to any
2952 # target library's configure.
2953 if test x$is_cross_compiler = xyes; then
2962 --cache-file=/dev/null | \
2963 -cache-file=/dev/null )
2964 # Handled here to avoid the test to skip args below.
2965 baseargs="$baseargs '$ac_arg'"
2966 tbaseargs="$tbaseargs '$ac_arg'"
2967 # Assert: $separate_arg should always be no.
2968 keep_next=$separate_arg
2984 -program-prefix* | \
2985 -program-suffix* | \
2986 -program-transform-name* )
2987 skip_next=$separate_arg
2991 # An option. Add it.
2994 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2996 baseargs="$baseargs '$ac_arg'"
2997 if test X"$skip_targ" = Xno; then
2998 tbaseargs="$tbaseargs '$ac_arg'"
3000 keep_next=$separate_arg
3003 # Either a variable assignment, or a nonopt (triplet). Don't
3004 # pass it down; let the Makefile handle this.
3009 # Remove the initial space we just introduced and, as these will be
3010 # expanded by make, quote '$'.
3011 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3013 # Add in --program-transform-name, after --program-prefix and
3014 # --program-suffix have been applied to it. Autoconf has already
3015 # doubled dollar signs and backslashes in program_transform_name; we want
3016 # the backslashes un-doubled, and then the entire thing wrapped in single
3017 # quotes, because this will be expanded first by make and then by the shell.
3018 # Also, because we want to override the logic in subdir configure scripts to
3019 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3020 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3021 ${program_transform_name}
3023 gcc_transform_name=`cat conftestsed.out`
3024 rm -f conftestsed.out
3025 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3026 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3027 if test "$silent" = yes; then
3028 baseargs="$baseargs --silent"
3029 tbaseargs="$tbaseargs --silent"
3031 baseargs="$baseargs --disable-option-checking"
3032 tbaseargs="$tbaseargs --disable-option-checking"
3034 # Record and document user additions to sub configure arguments.
3035 AC_ARG_VAR([build_configargs],
3036 [additional configure arguments for build directories])
3037 AC_ARG_VAR([host_configargs],
3038 [additional configure arguments for host directories])
3039 AC_ARG_VAR([target_configargs],
3040 [additional configure arguments for target directories])
3042 # For the build-side libraries, we just need to pretend we're native,
3043 # and not use the same cache file. Multilibs are neither needed nor
3044 # desired. We can't even use the same cache file for all build-side
3045 # libraries, as they're compiled differently; some with C, some with
3046 # C++ or with different feature-enabling options.
3047 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3049 # For host modules, accept cache file option, or specification as blank.
3050 case "${cache_file}" in
3052 cache_file_option="" ;;
3053 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3054 cache_file_option="--cache-file=${cache_file}" ;;
3056 cache_file_option="--cache-file=../${cache_file}" ;;
3059 # Host dirs don't like to share a cache file either, horribly enough.
3060 # This seems to be due to autoconf 2.5x stupidity.
3061 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3063 target_configargs="$target_configargs ${tbaseargs}"
3065 # Passing a --with-cross-host argument lets the target libraries know
3066 # whether they are being built with a cross-compiler or being built
3067 # native. However, it would be better to use other mechanisms to make the
3068 # sorts of decisions they want to make on this basis. Please consider
3069 # this option to be deprecated. FIXME.
3070 if test x${is_cross_compiler} = xyes ; then
3071 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3074 # Special user-friendly check for native x86_64-linux build, if
3075 # multilib is not explicitly enabled.
3076 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3077 x86_64-*linux*:yes:$build:$build:)
3078 # Make sure we have a developement environment that handles 32-bit
3080 echo "int main () { return 0; }" > conftest.c
3081 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3082 if test $? = 0 ; then
3083 if test -s conftest || test -s conftest.exe ; then
3088 if test x${dev64} != xyes ; then
3089 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.])
3094 # Default to --enable-multilib.
3095 if test x${enable_multilib} = x ; then
3096 target_configargs="--enable-multilib ${target_configargs}"
3099 # Pass --with-newlib if appropriate. Note that target_configdirs has
3100 # changed from the earlier setting of with_newlib.
3101 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3102 target_configargs="--with-newlib ${target_configargs}"
3105 # Different target subdirs use different values of certain variables
3106 # (notably CXX). Worse, multilibs use *lots* of different values.
3107 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3108 # it doesn't automatically accept command-line overrides of them.
3109 # This means it's not safe for target subdirs to share a cache file,
3110 # which is disgusting, but there you have it. Hopefully this can be
3111 # fixed in future. It's still worthwhile to use a cache file for each
3112 # directory. I think.
3114 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3115 # We need to pass --target, as newer autoconf's requires consistency
3116 # for target_alias and gcc doesn't manage it consistently.
3117 target_configargs="--cache-file=./config.cache ${target_configargs}"
3120 case " $target_configdirs " in
3122 case " $target_configargs " in
3123 *" --with-newlib "*)
3126 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3130 # If we're not building GCC, don't discard standard headers.
3131 if test -d ${srcdir}/gcc; then
3132 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3134 if test "${build}" != "${host}"; then
3135 # On Canadian crosses, CC_FOR_TARGET will have already been set
3136 # by `configure', so we won't have an opportunity to add -Bgcc/
3137 # to it. This is right: we don't want to search that directory
3138 # for binaries, but we want the header files in there, so add
3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3142 # Someone might think of using the pre-installed headers on
3143 # Canadian crosses, in case the installed compiler is not fully
3144 # compatible with the compiler being built. In this case, it
3145 # would be better to flag an error than risking having
3146 # incompatible object files being constructed. We can't
3147 # guarantee that an error will be flagged, but let's hope the
3148 # compiler will do it, when presented with incompatible header
3153 case "${target}-${is_cross_compiler}" in
3154 i[[3456789]]86-*-linux*-no)
3155 # Here host == target, so we don't need to build gcc,
3156 # so we don't want to discard standard headers.
3157 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3160 # If we're building newlib, use its generic headers last, but search
3161 # for any libc-related directories first (so make it the last -B
3163 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3165 # If we're building libgloss, find the startup file, simulator library
3166 # and linker script.
3167 case " $target_configdirs " in
3169 # Look for startup file, simulator library and maybe linker script.
3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3171 # Look for libnosys.a in case the target needs it.
3172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3173 # Most targets have the linker script in the source directory.
3174 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3185 x86_64-*mingw* | *-w64-mingw*)
3186 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3187 # however, use a symlink named 'mingw' in ${prefix} .
3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3191 # MinGW can't be handled as Cygwin above since it does not use newlib.
3192 FLAGS_FOR_TARGET=$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'
3196 # Allow the user to override the flags for
3197 # our build compiler if desired.
3198 if test x"${build}" = x"${host}" ; then
3199 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3200 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3201 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3204 # On Canadian crosses, we'll be searching the right directories for
3205 # the previously-installed cross compiler, so don't bother to add
3206 # flags for directories within the install tree of the compiler
3207 # being built; programs in there won't even run.
3208 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3209 # Search for pre-installed headers if nothing else fits.
3210 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3213 if test "x${use_gnu_ld}" = x &&
3214 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3215 # Arrange for us to find uninstalled linker scripts.
3216 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3219 # Search for other target-specific linker scripts and such.
3222 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3226 # Makefile fragments.
3227 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3229 eval fragval=\$$frag
3230 if test $fragval != /dev/null; then
3231 eval $frag=${srcdir}/$fragval
3234 AC_SUBST_FILE(host_makefile_frag)
3235 AC_SUBST_FILE(target_makefile_frag)
3236 AC_SUBST_FILE(alphaieee_frag)
3237 AC_SUBST_FILE(ospace_frag)
3239 # Miscellanea: directories, flags, etc.
3240 AC_SUBST(RPATH_ENVVAR)
3241 AC_SUBST(GCC_SHLIB_SUBDIR)
3243 AC_SUBST(build_tooldir)
3244 AC_SUBST(CONFIGURE_GDB_TK)
3246 AC_SUBST(INSTALL_GDB_TK)
3248 # Build module lists & subconfigure args.
3249 AC_SUBST(build_configargs)
3250 AC_SUBST(build_configdirs)
3252 # Host module lists & subconfigure args.
3253 AC_SUBST(host_configargs)
3254 AC_SUBST(configdirs)
3255 AC_SUBST(target_configdirs)
3257 # Target module lists & subconfigure args.
3258 AC_SUBST(target_configargs)
3262 AC_SUBST(AR_FOR_BUILD)
3263 AC_SUBST(AS_FOR_BUILD)
3264 AC_SUBST(CC_FOR_BUILD)
3265 AC_SUBST(CFLAGS_FOR_BUILD)
3266 AC_SUBST(CXXFLAGS_FOR_BUILD)
3267 AC_SUBST(CXX_FOR_BUILD)
3268 AC_SUBST(DLLTOOL_FOR_BUILD)
3269 AC_SUBST(GCJ_FOR_BUILD)
3270 AC_SUBST(GFORTRAN_FOR_BUILD)
3271 AC_SUBST(GOC_FOR_BUILD)
3272 AC_SUBST(LDFLAGS_FOR_BUILD)
3273 AC_SUBST(LD_FOR_BUILD)
3274 AC_SUBST(NM_FOR_BUILD)
3275 AC_SUBST(RANLIB_FOR_BUILD)
3276 AC_SUBST(WINDMC_FOR_BUILD)
3277 AC_SUBST(WINDRES_FOR_BUILD)
3279 # Generate default definitions for YACC, M4, LEX and other programs that run
3280 # on the build machine. These are used if the Makefile can't locate these
3281 # programs in objdir.
3282 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3284 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3285 case " $build_configdirs " in
3286 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3289 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3290 case " $build_configdirs " in
3291 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3294 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3295 case " $build_configdirs " in
3296 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3299 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3300 case " $build_configdirs " in
3301 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3302 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3305 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3306 case " $build_configdirs " in
3307 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3310 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3311 case " $build_configdirs " in
3312 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3315 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3316 # higher, else we use the "missing" dummy.
3317 if ${MAKEINFO} --version \
3318 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3321 MAKEINFO="$MISSING makeinfo"
3327 # FIXME: expect and dejagnu may become build tools?
3329 AC_CHECK_PROGS(EXPECT, expect, expect)
3330 case " $configdirs " in
3332 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3336 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3337 case " $configdirs " in
3339 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3345 NCN_STRICT_CHECK_TOOLS(AR, ar)
3346 NCN_STRICT_CHECK_TOOLS(AS, as)
3347 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3348 NCN_STRICT_CHECK_TOOLS(LD, ld)
3349 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3350 NCN_STRICT_CHECK_TOOLS(NM, nm)
3351 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3352 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3353 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3354 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3355 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3356 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3357 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3364 AC_ARG_WITH([build-time-tools],
3365 [AS_HELP_STRING([--with-build-time-tools=PATH],
3366 [use given path to find target tools during the build])],
3367 [case x"$withval" in
3370 with_build_time_tools=
3371 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3374 [with_build_time_tools=])
3376 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3377 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3378 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3379 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3380 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3381 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3383 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3384 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3385 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3386 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3387 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3388 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3389 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3390 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3391 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3392 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3393 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3394 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3395 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3397 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3399 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3400 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3401 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3402 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3403 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3404 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3406 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3407 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3409 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3410 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3411 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3412 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3413 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3414 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3415 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3416 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3417 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3418 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3419 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3420 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3421 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3422 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3423 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3424 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3425 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3426 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3428 AC_SUBST(FLAGS_FOR_TARGET)
3429 AC_SUBST(RAW_CXX_FOR_TARGET)
3431 # Certain tools may need extra flags.
3432 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3433 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3434 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3436 # When building target libraries, except in a Canadian cross, we use
3437 # the same toolchain as the compiler we just built.
3438 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3439 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3440 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3441 if test $host = $build; then
3442 case " $configdirs " in
3444 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3445 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3446 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3451 AC_SUBST(COMPILER_AS_FOR_TARGET)
3452 AC_SUBST(COMPILER_LD_FOR_TARGET)
3453 AC_SUBST(COMPILER_NM_FOR_TARGET)
3455 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3456 AC_ARG_ENABLE(maintainer-mode,
3457 [AS_HELP_STRING([--enable-maintainer-mode],
3458 [enable make rules and dependencies not useful
3459 (and sometimes confusing) to the casual installer])],
3460 USE_MAINTAINER_MODE=$enableval,
3461 USE_MAINTAINER_MODE=no)
3462 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3463 AC_SUBST(MAINTAINER_MODE_TRUE)
3464 AC_SUBST(MAINTAINER_MODE_FALSE)
3465 if test "$USE_MAINTAINER_MODE" = yes; then
3466 MAINTAINER_MODE_TRUE=
3467 MAINTAINER_MODE_FALSE='#'
3469 MAINTAINER_MODE_TRUE='#'
3470 MAINTAINER_MODE_FALSE=
3472 MAINT=$MAINTAINER_MODE_TRUE
3475 # ---------------------
3476 # GCC bootstrap support
3477 # ---------------------
3479 # Stage specific cflags for build.
3484 yes) stage1_cflags="-g -Wa,-J" ;;
3485 *) stage1_cflags="-g -J" ;;
3489 AC_SUBST(stage1_cflags)
3491 # Enable --enable-checking in stage1 of the compiler.
3492 AC_ARG_ENABLE(stage1-checking,
3493 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3494 [choose additional checking for stage1 of the compiler])],
3495 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3496 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3497 stage1_checking=--enable-checking=yes,types
3499 stage1_checking=--enable-checking=$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"])