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 AC_ARG_WITH(system-zlib,
249 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
250 # Make sure we don't let ZLIB be added if we didn't want it.
251 if test x$with_system_zlib = xyes ; then
253 noconfigdirs="$noconfigdirs zlib"
256 # some tools are so dependent upon X11 that if we're not building with X,
257 # it's not even worth trying to configure, much less build, that tool.
260 yes | "") ;; # the default value for this tree is that X11 is available
262 skipdirs="${skipdirs} tk itcl libgui"
263 # We won't be able to build gdbtk without X.
266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269 # Some are only suitable for cross toolchains.
270 # Remove these if host=target.
271 cross_only="target-libgloss target-newlib target-opcodes"
273 case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
277 # If both --with-headers and --with-libs are specified, default to
279 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
281 if test x"${with_newlib}" = x ; then
286 # Recognize --with-newlib/--without-newlib.
287 case ${with_newlib} in
288 no) skipdirs="${skipdirs} target-newlib" ;;
289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
292 AC_ARG_ENABLE(as-accelerator-for,
293 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
295 Specify offload host triple by ARG])])
297 AC_ARG_ENABLE(offload-targets,
298 [AS_HELP_STRING([--enable-offload-targets=LIST],
299 [enable offloading to devices from comma-separated LIST of
300 TARGET[=DIR]. Use optional path to find offload target compiler
303 if test x"$enable_offload_targets" = x; then
304 AC_MSG_ERROR([no offload targets specified])
306 ], [enable_offload_targets=])
308 # Handle --enable-gold, --enable-ld.
309 # --disable-gold [--enable-ld]
310 # Build only ld. Default option.
311 # --enable-gold [--enable-ld]
312 # Build both gold and ld. Install gold as "ld.gold", install ld
313 # as "ld.bfd" and "ld".
314 # --enable-gold=default [--enable-ld]
315 # Build both gold and ld. Install gold as "ld.gold" and "ld",
316 # install ld as "ld.bfd".
317 # --enable-gold[=default] --disable-ld
318 # Build only gold, which is then installed as both "ld.gold" and "ld".
319 # --enable-gold --enable-ld=default
320 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
322 # In other words, ld is default
323 # --enable-gold=default --enable-ld=default
328 [AS_HELP_STRING([[--enable-gold[=ARG]]],
329 [build gold @<:@ARG={default,yes,no}@:>@])],
330 ENABLE_GOLD=$enableval,
332 case "${ENABLE_GOLD}" in
334 # Check for ELF target.
337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
340 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
342 *-*-linux*aout* | *-*-linux*oldld*)
350 if test "$is_elf" = "yes"; then
351 # Check for target supported by gold.
353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
354 | aarch64*-*-* | tilegx*-*-*)
355 configdirs="$configdirs gold"
356 if test x${ENABLE_GOLD} = xdefault; then
367 AC_MSG_ERROR([invalid --enable-gold argument])
372 [AS_HELP_STRING([[--enable-ld[=ARG]]],
373 [build ld @<:@ARG={default,yes,no}@:>@])],
374 ENABLE_LD=$enableval,
377 case "${ENABLE_LD}" in
379 if test x${default_ld} != x; then
380 AC_MSG_ERROR([either gold or ld can be the default ld])
386 if test x${ENABLE_GOLD} != xyes; then
387 AC_MSG_WARN([neither ld nor gold are enabled])
389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
392 AC_MSG_ERROR([invalid --enable-ld argument])
396 # Configure extra directories which are host specific
400 configdirs="$configdirs libtermcap" ;;
403 # A target can indicate whether a language isn't supported for some reason.
404 # Only spaces may be used in this macro; not newlines or tabs.
405 unsupported_languages=
407 # Remove more programs from consideration, based on the host or
408 # target this usually means that a port of the program doesn't
412 i[[3456789]]86-*-msdosdjgpp*)
413 noconfigdirs="$noconfigdirs tcl tk itcl"
418 AC_ARG_ENABLE(libquadmath,
419 AS_HELP_STRING([--disable-libquadmath],
420 [do not build libquadmath directory]),
421 ENABLE_LIBQUADMATH=$enableval,
422 ENABLE_LIBQUADMATH=yes)
423 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
424 noconfigdirs="$noconfigdirs target-libquadmath"
428 AC_ARG_ENABLE(libquadmath-support,
429 AS_HELP_STRING([--disable-libquadmath-support],
430 [disable libquadmath support for Fortran]),
431 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
432 ENABLE_LIBQUADMATH_SUPPORT=yes)
433 enable_libquadmath_support=
434 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
435 enable_libquadmath_support=no
439 AC_ARG_ENABLE(libada,
440 [AS_HELP_STRING([--enable-libada], [build libada directory])],
441 ENABLE_LIBADA=$enableval,
443 if test "${ENABLE_LIBADA}" != "yes" ; then
444 noconfigdirs="$noconfigdirs gnattools"
447 AC_ARG_ENABLE(libssp,
448 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
449 ENABLE_LIBSSP=$enableval,
452 AC_ARG_ENABLE(libstdcxx,
453 AS_HELP_STRING([--disable-libstdcxx],
454 [do not build libstdc++-v3 directory]),
455 ENABLE_LIBSTDCXX=$enableval,
456 ENABLE_LIBSTDCXX=default)
457 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
458 noconfigdirs="$noconfigdirs target-libstdc++-v3"
461 # If this is accelerator compiler and its target is intelmic we enable
462 # target liboffloadmic by default. If this is compiler with offloading
463 # for intelmic we enable host liboffloadmic by default. Otherwise
464 # liboffloadmic is disabled by default.
465 AC_ARG_ENABLE([liboffloadmic],
466 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
467 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
468 [case "$enableval" in
470 enable_liboffloadmic=$enableval ;;
472 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
474 [if test x"$enable_as_accelerator_for" != x; then
476 *-intelmic-* | *-intelmicemul-*)
477 enable_liboffloadmic=target
478 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
481 enable_liboffloadmic=no
485 case "${enable_offload_targets}" in
486 *-intelmic-* | *-intelmicemul-*)
487 enable_liboffloadmic=host
488 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
491 enable_liboffloadmic=no
495 AC_SUBST(extra_liboffloadmic_configure_flags)
497 # Save it here so that, even in case of --enable-libgcj, if the Java
498 # front-end isn't enabled, we still get libgcj disabled.
500 case $enable_libgcj in
502 # If we reset it here, it won't get added to noconfigdirs in the
503 # target-specific build rules, so it will be forcibly enabled
504 # (unless the Java language itself isn't enabled).
508 # Make sure we get it printed in the list of not supported target libs.
509 # Don't disable libffi, though, other languages use it.
510 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
511 # Clear libgcj_saved so that even if java is enabled libffi won't be
517 AC_ARG_ENABLE(static-libjava,
518 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
519 [build static libjava @<:@default=no@:>@])],
520 ENABLE_STATIC_LIBJAVA=$enableval,
521 ENABLE_STATIC_LIBJAVA=no)
522 enable_static_libjava=
523 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
524 enable_static_libjava=yes
527 if test x$enable_static_libjava != xyes ; then
528 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
530 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
532 # Disable libgomp on non POSIX hosted systems.
533 if test x$enable_libgomp = x ; then
534 # Enable libgomp by default on hosted POSIX systems.
536 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
538 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
540 *-*-solaris2* | *-*-hpux11*)
542 *-*-darwin* | *-*-aix*)
545 noconfigdirs="$noconfigdirs target-libgomp"
550 # Disable libatomic on unsupported systems.
551 if test -d ${srcdir}/libatomic; then
552 if test x$enable_libatomic = x; then
553 AC_MSG_CHECKING([for libatomic support])
554 if (srcdir=${srcdir}/libatomic; \
555 . ${srcdir}/configure.tgt; \
556 test -n "$UNSUPPORTED")
559 noconfigdirs="$noconfigdirs target-libatomic"
566 # Disable libcilkrts on unsupported systems.
567 if test -d ${srcdir}/libcilkrts; then
568 if test x$enable_libcilkrts = x; then
569 AC_MSG_CHECKING([for libcilkrts support])
570 if (srcdir=${srcdir}/libcilkrts; \
571 . ${srcdir}/configure.tgt; \
572 test -n "$UNSUPPORTED")
575 noconfigdirs="$noconfigdirs target-libcilkrts"
582 # Disable liboffloadmic on unsupported systems.
583 if test -d ${srcdir}/liboffloadmic; then
584 if test x$enable_liboffloadmic != xno; then
585 AC_MSG_CHECKING([for liboffloadmic support])
586 if (srcdir=${srcdir}/liboffloadmic; \
587 . ${srcdir}/configure.tgt; \
588 test -n "$UNSUPPORTED")
591 noconfigdirs="$noconfigdirs target-liboffloadmic"
598 # Disable libitm on unsupported systems.
599 if test -d ${srcdir}/libitm; then
600 if test x$enable_libitm = x; then
601 AC_MSG_CHECKING([for libitm support])
602 if (srcdir=${srcdir}/libitm; \
603 . ${srcdir}/configure.tgt; \
604 test -n "$UNSUPPORTED")
607 noconfigdirs="$noconfigdirs target-libitm"
614 # Disable libsanitizer on unsupported systems.
615 if test -d ${srcdir}/libsanitizer; then
616 if test x$enable_libsanitizer = x; then
617 AC_MSG_CHECKING([for libsanitizer support])
618 if (srcdir=${srcdir}/libsanitizer; \
619 . ${srcdir}/configure.tgt; \
620 test -n "$UNSUPPORTED")
623 noconfigdirs="$noconfigdirs target-libsanitizer"
630 # Disable libvtv on unsupported systems.
631 if test -d ${srcdir}/libvtv; then
632 if test x$enable_libvtv = x; then
633 AC_MSG_CHECKING([for libvtv support])
634 if (srcdir=${srcdir}/libvtv; \
635 . ${srcdir}/configure.tgt; \
636 test "$VTV_SUPPORTED" != "yes")
639 noconfigdirs="$noconfigdirs target-libvtv"
647 # Enable libmpx on supported systems by request.
648 if test -d ${srcdir}/libmpx; then
649 if test x$enable_libmpx = xyes; then
650 AC_MSG_CHECKING([for libmpx support])
651 if (srcdir=${srcdir}/libmpx; \
652 . ${srcdir}/configure.tgt; \
653 test "$LIBMPX_SUPPORTED" != "yes")
656 noconfigdirs="$noconfigdirs target-libmpx"
661 noconfigdirs="$noconfigdirs target-libmpx"
667 # Disable libquadmath for some systems.
670 noconfigdirs="$noconfigdirs target-libquadmath"
672 # libquadmath is unused on AIX and libquadmath build process use of
673 # LD_LIBRARY_PATH can break AIX bootstrap.
674 powerpc-*-aix* | rs6000-*-aix*)
675 noconfigdirs="$noconfigdirs target-libquadmath"
679 # Disable libssp for some systems.
682 # No hosted I/O support.
683 noconfigdirs="$noconfigdirs target-libssp"
685 powerpc-*-aix* | rs6000-*-aix*)
686 noconfigdirs="$noconfigdirs target-libssp"
689 # libssp uses a misaligned load to trigger a fault, but the RL78
690 # doesn't fault for those - instead, it gives a build-time error
691 # for explicit misaligned loads.
692 noconfigdirs="$noconfigdirs target-libssp"
695 # No hosted I/O support.
696 noconfigdirs="$noconfigdirs target-libssp"
700 # Disable libstdc++-v3 for some systems.
701 # Allow user to override this if they pass --enable-libstdc++-v3
702 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
705 # VxWorks uses the Dinkumware C++ library.
706 noconfigdirs="$noconfigdirs target-libstdc++-v3"
709 # the C++ libraries don't build on top of CE's C libraries
710 noconfigdirs="$noconfigdirs target-libstdc++-v3"
713 noconfigdirs="$noconfigdirs target-libstdc++-v3"
718 # Disable Fortran for some systems.
721 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
722 unsupported_languages="$unsupported_languages fortran"
726 # Disable Java if libffi is not supported.
758 powerpc-*-aix* | rs6000-*-aix*)
762 powerpc64-*-freebsd*)
766 s390-*-* | s390x-*-*)
768 sh-*-* | sh[[34]]*-*-*)
777 unsupported_languages="$unsupported_languages java"
781 # Disable Java, libgcj or related libraries for some systems.
785 i[[3456789]]86-*-darwin*)
787 x86_64-*-darwin[[912]]*)
790 noconfigdirs="$noconfigdirs ${libgcj}"
793 noconfigdirs="$noconfigdirs ${libgcj}"
796 noconfigdirs="$noconfigdirs ${libgcj}"
799 noconfigdirs="$noconfigdirs ${libgcj}"
802 noconfigdirs="$noconfigdirs ${libgcj}"
805 noconfigdirs="$noconfigdirs ${libgcj}"
808 noconfigdirs="$noconfigdirs ${libgcj}"
811 noconfigdirs="$noconfigdirs ${libgcj}"
814 noconfigdirs="$noconfigdirs ${libgcj}"
817 noconfigdirs="$noconfigdirs ${libgcj}"
820 noconfigdirs="$noconfigdirs target-boehm-gc"
822 cris-*-* | crisv32-*-*)
823 unsupported_languages="$unsupported_languages java"
827 *) # See PR46792 regarding target-libffi.
828 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
832 # In this case, it's because the hppa64-linux target is for
833 # the kernel only at this point and has no libc, and thus no
834 # headers, crt*.o, etc., all of which are needed by these.
835 unsupported_languages="$unsupported_languages java"
838 noconfigdirs="$noconfigdirs ${libgcj}"
843 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
844 # build on HP-UX 10.20.
845 noconfigdirs="$noconfigdirs ${libgcj}"
848 noconfigdirs="$noconfigdirs ${libgcj}"
850 i[[3456789]]86-w64-mingw*)
851 noconfigdirs="$noconfigdirs ${libgcj}"
853 i[[3456789]]86-*-mingw*)
854 noconfigdirs="$noconfigdirs ${libgcj}"
857 noconfigdirs="$noconfigdirs ${libgcj}"
860 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
863 # copied from rs6000-*-* entry
864 noconfigdirs="$noconfigdirs ${libgcj}"
867 noconfigdirs="$noconfigdirs ${libgcj}"
870 noconfigdirs="$noconfigdirs ${libgcj}"
873 noconfigdirs="$noconfigdirs ${libgcj}"
877 # Disable the go frontend on systems where it is known to not work. Please keep
878 # this in sync with contrib/config-list.mk.
880 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
881 unsupported_languages="$unsupported_languages go"
885 # Disable libgo for some systems where it is known to not work.
886 # For testing, you can easily override this with --enable-libgo.
887 if test x$enable_libgo = x; then
891 noconfigdirs="$noconfigdirs target-libgo"
893 *-*-cygwin* | *-*-mingw*)
894 noconfigdirs="$noconfigdirs target-libgo"
897 noconfigdirs="$noconfigdirs target-libgo"
902 # Default libgloss CPU subdirectory.
903 libgloss_dir="$target_cpu"
906 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
915 cris-*-* | crisv32-*-*)
924 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
941 # Disable newlib and libgloss for various target OSes.
944 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
946 i[[3456789]]86-*-linux*)
947 # This section makes it possible to build newlib natively on linux.
948 # If we are using a cross compiler then don't configure newlib.
949 if test x${is_cross_compiler} != xno ; then
950 noconfigdirs="$noconfigdirs target-newlib"
952 noconfigdirs="$noconfigdirs target-libgloss"
953 # If we are not using a cross compiler, do configure newlib.
954 # Note however, that newlib will only be configured in this situation
955 # if the --with-newlib option has been given, because otherwise
956 # 'target-newlib' will appear in skipdirs.
958 i[[3456789]]86-*-rdos*)
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
961 sh*-*-pe|mips*-*-pe|arm-wince-pe)
962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
965 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
968 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
974 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
982 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
992 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
998 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1012 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1013 noconfigdirs="$noconfigdirs sim target-rda"
1015 i[[3456789]]86-*-darwin*)
1016 noconfigdirs="$noconfigdirs ld gprof"
1017 noconfigdirs="$noconfigdirs sim target-rda"
1019 x86_64-*-darwin[[912]]*)
1020 noconfigdirs="$noconfigdirs ld gas gprof"
1021 noconfigdirs="$noconfigdirs sim target-rda"
1024 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1025 noconfigdirs="$noconfigdirs sim target-rda"
1030 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1031 && test -f /usr/local/include/gmp.h; then
1036 # Remove unsupported stuff on all kaOS configurations.
1037 noconfigdirs="$noconfigdirs target-libgloss"
1044 noconfigdirs="$noconfigdirs target-libgloss"
1045 # this is not caught below because this stanza matches earlier
1047 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1050 # The tpf target doesn't support gdb yet.
1052 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1055 noconfigdirs="$noconfigdirs target-rda"
1060 # ld works, but does not support shared libraries.
1061 # gas doesn't generate exception information.
1062 noconfigdirs="$noconfigdirs gas ld"
1065 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1068 # newlib is not 64 bit ready
1069 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1071 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1072 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1075 noconfigdirs="$noconfigdirs target-libgloss"
1078 noconfigdirs="$noconfigdirs target-libgloss"
1081 noconfigdirs="$noconfigdirs ld target-libgloss"
1086 if test x${with_avrlibc} != xno; then
1087 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1090 c4x-*-* | tic4x-*-*)
1091 noconfigdirs="$noconfigdirs target-libgloss"
1094 noconfigdirs="$noconfigdirs target-libgloss gdb"
1097 noconfigdirs="$noconfigdirs target-libgloss"
1100 noconfigdirs="$noconfigdirs gdb"
1103 noconfigdirs="$noconfigdirs gdb"
1106 noconfigdirs="$noconfigdirs target-rda gprof"
1109 noconfigdirs="$noconfigdirs"
1112 noconfigdirs="$noconfigdirs target-libgloss"
1115 noconfigdirs="$noconfigdirs target-libgloss"
1117 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1120 noconfigdirs="$noconfigdirs gdb"
1123 noconfigdirs="$noconfigdirs gdb ld"
1131 hppa*-*-openbsd* | \
1137 noconfigdirs="$noconfigdirs ld"
1140 noconfigdirs="$noconfigdirs gdb"
1143 # No gdb support yet.
1144 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1147 # No ld support yet.
1148 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1151 # No ld support yet.
1152 noconfigdirs="$noconfigdirs libgui itcl ld"
1154 i[[3456789]]86-w64-mingw*)
1156 i[[3456789]]86-*-mingw*)
1157 target_configdirs="$target_configdirs target-winsup"
1160 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1161 noconfigdirs="$noconfigdirs target-libgloss"
1162 # always build newlib if winsup directory is present.
1163 if test -d "$srcdir/winsup/cygwin"; then
1164 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1165 elif test -d "$srcdir/newlib"; then
1166 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1169 i[[3456789]]86-*-pe)
1170 noconfigdirs="$noconfigdirs target-libgloss"
1172 i[[3456789]]86-*-sco3.2v5*)
1173 # The linker does not yet know about weak symbols in COFF,
1174 # and is not configured to handle mixed ELF and COFF.
1175 noconfigdirs="$noconfigdirs ld target-libgloss"
1177 i[[3456789]]86-*-sco*)
1178 noconfigdirs="$noconfigdirs gprof target-libgloss"
1180 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1181 noconfigdirs="$noconfigdirs target-libgloss"
1183 i[[3456789]]86-*-sysv4*)
1184 noconfigdirs="$noconfigdirs target-libgloss"
1186 i[[3456789]]86-*-beos*)
1187 noconfigdirs="$noconfigdirs gdb"
1189 i[[3456789]]86-*-rdos*)
1190 noconfigdirs="$noconfigdirs gdb"
1193 noconfigdirs="$noconfigdirs gdb"
1196 noconfigdirs="$noconfigdirs sim"
1199 # copied from rs6000-*-* entry
1200 noconfigdirs="$noconfigdirs gprof"
1202 powerpc*-*-winnt* | powerpc*-*-pe*)
1203 target_configdirs="$target_configdirs target-winsup"
1204 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1205 # always build newlib.
1206 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1208 # This is temporary until we can link against shared libraries
1209 powerpcle-*-solaris*)
1210 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1213 noconfigdirs="$noconfigdirs gdb"
1216 noconfigdirs="$noconfigdirs gprof"
1219 noconfigdirs="$noconfigdirs gprof"
1222 noconfigdirs="$noconfigdirs gprof"
1225 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1228 noconfigdirs="$noconfigdirs gprof"
1230 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1231 if test x$with_newlib = xyes; then
1232 noconfigdirs="$noconfigdirs gprof"
1236 noconfigdirs="$noconfigdirs gprof target-libgloss"
1239 noconfigdirs="$noconfigdirs gprof target-libgloss"
1242 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1246 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1247 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1248 noconfigdirs="$noconfigdirs ld gas gprof"
1251 noconfigdirs="$noconfigdirs gprof"
1254 noconfigdirs="$noconfigdirs gdb"
1257 # nvptx is just a compiler
1258 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1261 noconfigdirs="$noconfigdirs gdb"
1268 noconfigdirs="$noconfigdirs target-libgloss" ;;
1272 if test x${is_cross_compiler} = xno ; then
1277 noconfigdirs="$noconfigdirs sim"
1279 tilepro*-*-* | tilegx*-*-*)
1280 noconfigdirs="$noconfigdirs sim"
1283 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1286 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1290 # If we aren't building newlib, then don't build libgloss, since libgloss
1291 # depends upon some newlib header files.
1292 case "${noconfigdirs}" in
1293 *target-libgloss*) ;;
1294 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1297 # Work in distributions that contain no compiler tools, like Autoconf.
1298 host_makefile_frag=/dev/null
1299 if test -d ${srcdir}/config ; then
1301 i[[3456789]]86-*-msdosdjgpp*)
1302 host_makefile_frag="config/mh-djgpp"
1305 ACX_CHECK_CYGWIN_CAT_WORKS
1306 host_makefile_frag="config/mh-cygwin"
1309 host_makefile_frag="config/mh-mingw"
1312 host_makefile_frag="config/mh-pa-hpux10"
1315 host_makefile_frag="config/mh-pa"
1318 host_makefile_frag="config/mh-pa"
1321 host_makefile_frag="config/mh-darwin"
1324 host_makefile_frag="config/mh-ppc-aix"
1327 host_makefile_frag="config/mh-ppc-aix"
1332 if test "${build}" != "${host}" ; then
1333 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1334 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1335 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1336 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1337 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1338 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1339 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1340 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1341 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1342 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1343 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1344 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1345 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1347 AR_FOR_BUILD="\$(AR)"
1348 AS_FOR_BUILD="\$(AS)"
1349 CC_FOR_BUILD="\$(CC)"
1350 CXX_FOR_BUILD="\$(CXX)"
1351 GCJ_FOR_BUILD="\$(GCJ)"
1352 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1353 GOC_FOR_BUILD="\$(GOC)"
1354 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1355 LD_FOR_BUILD="\$(LD)"
1356 NM_FOR_BUILD="\$(NM)"
1357 RANLIB_FOR_BUILD="\$(RANLIB)"
1358 WINDRES_FOR_BUILD="\$(WINDRES)"
1359 WINDMC_FOR_BUILD="\$(WINDMC)"
1365 # We must set the default linker to the linker used by gcc for the correct
1366 # operation of libtool. If LD is not defined and we are using gcc, try to
1367 # set the LD default to the ld used by gcc.
1368 if test -z "$LD"; then
1369 if test "$GCC" = yes; then
1372 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1374 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1376 case $gcc_prog_ld in
1377 # Accept absolute paths.
1378 [[\\/]* | [A-Za-z]:[\\/]*)]
1379 LD="$gcc_prog_ld" ;;
1384 # Check whether -static-libstdc++ -static-libgcc is supported.
1386 if test "$GCC" = yes; then
1387 saved_LDFLAGS="$LDFLAGS"
1389 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1390 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1393 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1394 #error -static-libstdc++ not implemented
1397 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1398 [AC_MSG_RESULT([no])])
1401 LDFLAGS="$saved_LDFLAGS"
1405 ACX_PROG_CMP_IGNORE_INITIAL
1407 AC_ARG_ENABLE([bootstrap],
1408 [AS_HELP_STRING([--enable-bootstrap],
1409 [enable bootstrapping @<:@yes if native build@:>@])],,
1410 enable_bootstrap=default)
1412 # Issue errors and warnings for invalid/strange bootstrap combinations.
1413 if test -r $srcdir/gcc/configure; then
1419 case "$have_compiler:$host:$target:$enable_bootstrap" in
1422 # Default behavior. Enable bootstrap if we have a compiler
1423 # and we are in a native configuration.
1424 yes:$build:$build:default)
1425 enable_bootstrap=yes ;;
1428 enable_bootstrap=no ;;
1430 # We have a compiler and we are in a native configuration, bootstrap is ok
1431 yes:$build:$build:yes)
1434 # Other configurations, but we have a compiler. Assume the user knows
1437 AC_MSG_WARN([trying to bootstrap a cross compiler])
1440 # No compiler: if they passed --enable-bootstrap explicitly, fail
1442 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1444 # Fail if wrong command line
1446 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1450 # Used for setting $lt_cv_objdir
1453 # Check for GMP, MPFR and MPC
1454 gmplibs="-lmpc -lmpfr -lgmp"
1458 # Specify a location for mpc
1459 # check for this first so it ends up on the link line before mpfr.
1461 [AS_HELP_STRING([--with-mpc=PATH],
1462 [specify prefix directory for installed MPC package.
1463 Equivalent to --with-mpc-include=PATH/include
1464 plus --with-mpc-lib=PATH/lib])])
1465 AC_ARG_WITH(mpc-include,
1466 [AS_HELP_STRING([--with-mpc-include=PATH],
1467 [specify directory for installed MPC include files])])
1468 AC_ARG_WITH(mpc-lib,
1469 [AS_HELP_STRING([--with-mpc-lib=PATH],
1470 [specify directory for the installed MPC library])])
1472 if test "x$with_mpc" != x; then
1473 gmplibs="-L$with_mpc/lib $gmplibs"
1474 gmpinc="-I$with_mpc/include $gmpinc"
1476 if test "x$with_mpc_include" != x; then
1477 gmpinc="-I$with_mpc_include $gmpinc"
1479 if test "x$with_mpc_lib" != x; then
1480 gmplibs="-L$with_mpc_lib $gmplibs"
1482 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1483 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1484 gmpinc='-I$$s/mpc/src '"$gmpinc"
1485 # Do not test the mpc version. Assume that it is sufficient, since
1486 # it is in the source tree, and the library has not been built yet
1487 # but it would be included on the link line in the version check below
1488 # hence making the test fail.
1492 # Specify a location for mpfr
1493 # check for this first so it ends up on the link line before gmp.
1494 AC_ARG_WITH(mpfr-dir,
1495 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1496 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1497 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1500 [AS_HELP_STRING([--with-mpfr=PATH],
1501 [specify prefix directory for installed MPFR package.
1502 Equivalent to --with-mpfr-include=PATH/include
1503 plus --with-mpfr-lib=PATH/lib])])
1504 AC_ARG_WITH(mpfr-include,
1505 [AS_HELP_STRING([--with-mpfr-include=PATH],
1506 [specify directory for installed MPFR include files])])
1507 AC_ARG_WITH(mpfr-lib,
1508 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1509 [specify directory for the installed MPFR library])])
1511 if test "x$with_mpfr" != x; then
1512 gmplibs="-L$with_mpfr/lib $gmplibs"
1513 gmpinc="-I$with_mpfr/include $gmpinc"
1515 if test "x$with_mpfr_include" != x; then
1516 gmpinc="-I$with_mpfr_include $gmpinc"
1518 if test "x$with_mpfr_lib" != x; then
1519 gmplibs="-L$with_mpfr_lib $gmplibs"
1521 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1522 # MPFR v3.1.0 moved the sources into a src sub-directory.
1523 if test -d ${srcdir}/mpfr/src; then
1524 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1525 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1526 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1528 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1529 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1530 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1532 # Do not test the mpfr version. Assume that it is sufficient, since
1533 # it is in the source tree, and the library has not been built yet
1534 # but it would be included on the link line in the version check below
1535 # hence making the test fail.
1539 # Specify a location for gmp
1540 AC_ARG_WITH(gmp-dir,
1541 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1542 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1543 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1546 [AS_HELP_STRING([--with-gmp=PATH],
1547 [specify prefix directory for the installed GMP package.
1548 Equivalent to --with-gmp-include=PATH/include
1549 plus --with-gmp-lib=PATH/lib])])
1550 AC_ARG_WITH(gmp-include,
1551 [AS_HELP_STRING([--with-gmp-include=PATH],
1552 [specify directory for installed GMP include files])])
1553 AC_ARG_WITH(gmp-lib,
1554 [AS_HELP_STRING([--with-gmp-lib=PATH],
1555 [specify directory for the installed GMP library])])
1558 if test "x$with_gmp" != x; then
1559 gmplibs="-L$with_gmp/lib $gmplibs"
1560 gmpinc="-I$with_gmp/include $gmpinc"
1562 if test "x$with_gmp_include" != x; then
1563 gmpinc="-I$with_gmp_include $gmpinc"
1565 if test "x$with_gmp_lib" != x; then
1566 gmplibs="-L$with_gmp_lib $gmplibs"
1568 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1569 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1570 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1571 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1572 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1573 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1574 # Do not test the gmp version. Assume that it is sufficient, since
1575 # it is in the source tree, and the library has not been built yet
1576 # but it would be included on the link line in the version check below
1577 # hence making the test fail.
1581 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1583 saved_CFLAGS="$CFLAGS"
1584 CFLAGS="$CFLAGS $gmpinc"
1585 # Check for the recommended and required versions of GMP.
1586 AC_MSG_CHECKING([for the correct version of gmp.h])
1587 AC_TRY_COMPILE([#include "gmp.h"],[
1588 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1589 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1590 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1593 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1594 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1595 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1596 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1599 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1600 [AC_MSG_RESULT([no]); have_gmp=no])
1602 # If we have GMP, check the MPFR version.
1603 if test x"$have_gmp" = xyes; then
1604 # Check for the recommended and required versions of MPFR.
1605 AC_MSG_CHECKING([for the correct version of mpfr.h])
1606 AC_TRY_COMPILE([#include <gmp.h>
1607 #include <mpfr.h>],[
1608 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1611 ], [AC_TRY_COMPILE([#include <gmp.h>
1612 #include <mpfr.h>],[
1613 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1616 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1617 [AC_MSG_RESULT([no]); have_gmp=no])
1620 # Check for the MPC header version.
1621 if test x"$have_gmp" = xyes ; then
1622 # Check for the recommended and required versions of MPC.
1623 AC_MSG_CHECKING([for the correct version of mpc.h])
1624 AC_TRY_COMPILE([#include <mpc.h>],[
1625 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1628 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1629 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1632 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1633 [AC_MSG_RESULT([no]); have_gmp=no])
1636 # Now check the MPFR library.
1637 if test x"$have_gmp" = xyes; then
1639 LIBS="$LIBS $gmplibs"
1640 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1641 AC_TRY_LINK([#include <mpc.h>],[
1648 mpfr_atan2 (n, n, x, GMP_RNDN);
1649 mpfr_erfc (n, x, GMP_RNDN);
1650 mpfr_subnormalize (x, t, GMP_RNDN);
1654 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1655 mpc_cosh (c, c, MPC_RNDNN);
1656 mpc_pow (c, c, c, MPC_RNDNN);
1657 mpc_acosh (c, c, MPC_RNDNN);
1659 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1663 CFLAGS="$saved_CFLAGS"
1665 # The library versions listed in the error message below should match
1666 # the HARD-minimums enforced above.
1667 if test x$have_gmp != xyes; then
1668 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1669 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1670 their locations. Source code for these libraries can be found at
1671 their respective hosting sites as well as at
1672 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1673 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1674 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1675 make sure that you have installed both the libraries and the header
1676 files. They may be located in separate packages.])
1680 # Flags needed for both GMP, MPFR and/or MPC.
1683 AC_SUBST(extra_mpfr_configure_flags)
1684 AC_SUBST(extra_mpc_gmp_configure_flags)
1685 AC_SUBST(extra_mpc_mpfr_configure_flags)
1686 AC_SUBST(extra_isl_gmp_configure_flags)
1688 # Allow host libstdc++ to be specified for static linking with PPL.
1689 AC_ARG_WITH(host-libstdcxx,
1690 [AS_HELP_STRING([--with-host-libstdcxx=L],
1691 [use linker arguments L to link with libstdc++
1692 when linking with PPL])])
1694 case $with_host_libstdcxx in
1696 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1700 # Libraries to use for stage1 or when not bootstrapping.
1701 AC_ARG_WITH(stage1-libs,
1702 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1703 [if test "$withval" = "no" -o "$withval" = "yes"; then
1706 stage1_libs=$withval
1708 [stage1_libs=$with_host_libstdcxx])
1709 AC_SUBST(stage1_libs)
1711 # Linker flags to use for stage1 or when not bootstrapping.
1712 AC_ARG_WITH(stage1-ldflags,
1713 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1714 [if test "$withval" = "no" -o "$withval" = "yes"; then
1717 stage1_ldflags=$withval
1720 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1721 # if supported. But if the user explicitly specified the libraries to use,
1722 # trust that they are doing what they want.
1723 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1724 stage1_ldflags="-static-libstdc++ -static-libgcc"
1726 AC_SUBST(stage1_ldflags)
1728 # Libraries to use for stage2 and later builds. This defaults to the
1729 # argument passed to --with-host-libstdcxx.
1730 AC_ARG_WITH(boot-libs,
1731 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1732 [if test "$withval" = "no" -o "$withval" = "yes"; then
1735 poststage1_libs=$withval
1737 [poststage1_libs=$with_host_libstdcxx])
1738 AC_SUBST(poststage1_libs)
1740 # Linker flags to use for stage2 and later builds.
1741 AC_ARG_WITH(boot-ldflags,
1742 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1743 [linker flags for stage2 and later])],
1744 [if test "$withval" = "no" -o "$withval" = "yes"; then
1747 poststage1_ldflags=$withval
1749 [poststage1_ldflags=
1750 # In stages 2 and 3, default to linking libstdc++ and libgcc
1751 # statically. But if the user explicitly specified the libraries to
1752 # use, trust that they are doing what they want.
1753 if test "$poststage1_libs" = ""; then
1754 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1756 AC_SUBST(poststage1_ldflags)
1758 # GCC GRAPHITE dependency ISL.
1759 # Basic setup is inlined here, actual checks are in config/isl.m4
1764 [Specify prefix directory for the installed ISL package.
1765 Equivalent to --with-isl-include=PATH/include
1766 plus --with-isl-lib=PATH/lib])])
1768 # Treat --without-isl as a request to disable
1769 # GRAPHITE support and skip all following checks.
1770 if test "x$with_isl" != "xno"; then
1772 dnl Provide configure switches and initialize islinc & isllibs
1773 dnl with user input.
1775 dnl The versions of ISL that work for Graphite
1777 dnl Only execute fail-action, if ISL has been requested.
1779 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1782 # If the ISL check failed, disable builds of in-tree variant of ISL
1783 if test "x$with_isl" = xno ||
1784 test "x$gcc_cv_isl" = xno; then
1785 noconfigdirs="$noconfigdirs isl"
1792 # Check for LTO support.
1794 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1795 enable_lto=$enableval,
1796 enable_lto=yes; default_enable_lto=yes)
1798 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1799 build_lto_plugin=yes
1800 ],[if test x"$default_enable_lto" = x"yes" ; then
1802 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1803 # On other non-ELF platforms, LTO has yet to be validated.
1807 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1808 # It would also be nice to check the binutils support, but we don't
1809 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1810 # warn during gcc/ subconfigure; unless you're bootstrapping with
1811 # -flto it won't be needed until after installation anyway.
1813 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1814 *) if test x"$enable_lto" = x"yes"; then
1815 AC_MSG_ERROR([LTO support is not enabled for this target.])
1820 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1821 # Build it unless LTO was explicitly disabled.
1823 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1828 AC_ARG_ENABLE(linker-plugin-configure-flags,
1829 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1830 [additional flags for configuring linker plugins @<:@none@:>@])],
1831 extra_linker_plugin_configure_flags=$enableval,
1832 extra_linker_plugin_configure_flags=)
1833 AC_SUBST(extra_linker_plugin_configure_flags)
1834 AC_ARG_ENABLE(linker-plugin-flags,
1835 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1836 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1837 extra_linker_plugin_flags=$enableval,
1838 extra_linker_plugin_flags=)
1839 AC_SUBST(extra_linker_plugin_flags)
1842 # By default, C and C++ are the only stage 1 languages.
1843 stage1_languages=,c,
1845 # Target libraries that we bootstrap.
1846 bootstrap_target_libs=,target-libgcc,
1848 # Figure out what language subdirectories are present.
1849 # Look if the user specified --enable-languages="..."; if not, use
1850 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1852 # NB: embedded tabs in this IF block -- do not untabify
1853 if test -d ${srcdir}/gcc; then
1854 if test x"${enable_languages+set}" != xset; then
1855 if test x"${LANGUAGES+set}" = xset; then
1856 enable_languages="${LANGUAGES}"
1857 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1859 enable_languages=all
1862 if test x"${enable_languages}" = x ||
1863 test x"${enable_languages}" = xyes;
1865 echo configure.in: --enable-languages needs at least one language argument 1>&2
1869 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1871 # 'f95' is the old name for the 'fortran' language. We issue a warning
1872 # and make the substitution.
1873 case ,${enable_languages}, in
1875 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1876 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1880 # If bootstrapping, C++ must be enabled.
1881 case ",$enable_languages,:$enable_bootstrap" in
1884 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1885 enable_languages="${enable_languages},c++"
1887 AC_MSG_ERROR([bootstrapping requires c++ sources])
1892 # First scan to see if an enabled language requires some other language.
1893 # We assume that a given config-lang.in will list all the language
1894 # front ends it requires, even if some are required indirectly.
1895 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1896 case ${lang_frag} in
1898 # The odd quoting in the next line works around
1899 # an apparent bug in bash 1.12 on linux.
1900 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1902 # From the config-lang.in, get $language, $lang_requires, and
1903 # $lang_requires_boot_languages.
1906 lang_requires_boot_languages=
1908 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1909 case ,${enable_languages}, in
1913 echo " \`$other' language required by \`$language'; enabling" 1>&2
1914 enable_languages="${enable_languages},${other}"
1918 for other in ${lang_requires_boot_languages} ; do
1919 if test "$other" != "c"; then
1920 case ,${enable_stage1_languages}, in
1924 case ,${enable_languages}, in
1926 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1927 enable_stage1_languages="$enable_stage1_languages,${other}"
1938 new_enable_languages=,c,
1940 # If LTO is enabled, add the LTO front end.
1941 if test "$enable_lto" = "yes" ; then
1942 case ,${enable_languages}, in
1944 *) enable_languages="${enable_languages},lto" ;;
1946 if test "${build_lto_plugin}" = "yes" ; then
1947 configdirs="$configdirs lto-plugin"
1951 # If we're building an offloading compiler, add the LTO front end.
1952 if test x"$enable_as_accelerator_for" != x ; then
1953 case ,${enable_languages}, in
1955 *) enable_languages="${enable_languages},lto" ;;
1959 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1960 potential_languages=,c,
1962 enabled_target_libs=
1963 disabled_target_libs=
1965 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1966 case ${lang_frag} in
1968 # The odd quoting in the next line works around
1969 # an apparent bug in bash 1.12 on linux.
1970 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1972 # From the config-lang.in, get $language, $target_libs,
1973 # $lang_dirs, $boot_language, and $build_by_default
1979 build_by_default=yes
1981 if test x${language} = x; then
1982 echo "${lang_frag} doesn't set \$language." 1>&2
1986 if test "$language" = "c++"; then
1991 case ,${enable_languages}, in
1993 # Language was explicitly selected; include it
1994 # unless it is C, which is enabled by default.
1995 if test "$language" != "c"; then
2000 # 'all' was selected, select it if it is a default language
2001 if test "$language" != "c"; then
2002 add_this_lang=${build_by_default}
2007 # Disable languages that need other directories if these aren't available.
2008 for i in $subdir_requires; do
2009 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2010 case ,${enable_languages}, in
2012 # Specifically requested language; tell them.
2013 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2017 add_this_lang=unsupported
2022 # Disable Ada if no preexisting GNAT is available.
2023 case ,${enable_languages},:${language}:${have_gnat} in
2024 *,${language},*:ada:no)
2025 # Specifically requested language; tell them.
2026 AC_MSG_ERROR([GNAT is required to build $language])
2030 add_this_lang=unsupported
2034 # Disable a language that is unsupported by the target.
2035 case " $unsupported_languages " in
2037 add_this_lang=unsupported
2041 case $add_this_lang in
2043 # Remove language-dependent dirs.
2044 disabled_target_libs="$disabled_target_libs $target_libs"
2045 noconfigdirs="$noconfigdirs $lang_dirs"
2048 # Remove language-dependent dirs; still show language as supported.
2049 disabled_target_libs="$disabled_target_libs $target_libs"
2050 noconfigdirs="$noconfigdirs $lang_dirs"
2051 potential_languages="${potential_languages}${language},"
2054 new_enable_languages="${new_enable_languages}${language},"
2055 potential_languages="${potential_languages}${language},"
2056 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2057 enabled_target_libs="$enabled_target_libs $target_libs"
2058 case "${boot_language}:,$enable_stage1_languages," in
2059 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2060 # Add to (comma-separated) list of stage 1 languages.
2061 case ",$stage1_languages," in
2062 *,$language,* | ,yes, | ,all,) ;;
2063 *) stage1_languages="${stage1_languages}${language}," ;;
2065 # We need to bootstrap any supporting libraries.
2066 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2075 # Add target libraries which are only needed for disabled languages
2077 if test -n "$disabled_target_libs"; then
2078 for dir in $disabled_target_libs; do
2079 case " $enabled_target_libs " in
2081 *) noconfigdirs="$noconfigdirs $dir" ;;
2086 AC_ARG_ENABLE(stage1-languages,
2087 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2088 [choose additional languages to build during
2089 stage1. Mostly useful for compiler development])],
2090 [case ,${enable_stage1_languages}, in
2092 # Set it to something that will have no effect in the loop below
2093 enable_stage1_languages=c ;;
2095 enable_stage1_languages=`echo $new_enable_languages | \
2096 sed -e "s/^,//" -e "s/,$//" ` ;;
2098 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2099 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2102 # Add "good" languages from enable_stage1_languages to stage1_languages,
2103 # while "bad" languages go in missing_languages. Leave no duplicates.
2104 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2105 case $potential_languages in
2107 case $stage1_languages in
2109 *) stage1_languages="$stage1_languages$i," ;;
2112 case $missing_languages in
2114 *) missing_languages="$missing_languages$i," ;;
2119 # Remove leading/trailing commas that were added for simplicity
2120 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2121 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2122 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2123 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2125 if test "x$missing_languages" != x; then
2127 The following requested languages could not be built: ${missing_languages}
2128 Supported languages are: ${potential_languages}])
2130 if test "x$new_enable_languages" != "x$enable_languages"; then
2131 echo The following languages will be built: ${new_enable_languages}
2132 enable_languages="$new_enable_languages"
2135 AC_SUBST(stage1_languages)
2136 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2139 # Handle --disable-<component> generically.
2140 for dir in $configdirs $build_configdirs $target_configdirs ; do
2141 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2142 varname=`echo $dirname | sed -e s/+/_/g`
2143 if eval test x\${enable_${varname}} "=" xno ; then
2144 noconfigdirs="$noconfigdirs $dir"
2148 # Check for Boehm's garbage collector
2149 AC_ARG_ENABLE(objc-gc,
2150 [AS_HELP_STRING([--enable-objc-gc],
2151 [enable use of Boehm's garbage collector with the
2152 GNU Objective-C runtime])],
2153 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2154 *,objc,*:*:yes:*target-boehm-gc*)
2155 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2159 # Make sure we only build Boehm's garbage collector if required.
2160 case ,${enable_languages},:${enable_objc_gc} in
2162 # Keep target-boehm-gc if requested for Objective-C.
2165 # Otherwise remove target-boehm-gc depending on target-libjava.
2166 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2167 noconfigdirs="$noconfigdirs target-boehm-gc"
2172 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2173 case ,${enable_languages}, in
2175 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2176 case "${noconfigdirs}" in
2177 *target-libstdc++-v3*)
2178 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2184 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2188 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2189 # $build_configdirs and $target_configdirs.
2190 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2193 for dir in . $skipdirs $noconfigdirs ; do
2194 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2195 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2196 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2197 if test -r $srcdir/$dirname/configure ; then
2198 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 notsupp="$notsupp $dir"
2205 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2206 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2207 if test -r $srcdir/$dirname/configure ; then
2208 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2211 notsupp="$notsupp $dir"
2215 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2216 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2217 if test -r $srcdir/$dirname/configure ; then
2218 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2221 notsupp="$notsupp $dir"
2227 # Quietly strip out all directories which aren't configurable in this tree.
2228 # This relies on all configurable subdirectories being autoconfiscated, which
2230 build_configdirs_all="$build_configdirs"
2232 for i in ${build_configdirs_all} ; do
2233 j=`echo $i | sed -e s/build-//g`
2234 if test -f ${srcdir}/$j/configure ; then
2235 build_configdirs="${build_configdirs} $i"
2239 configdirs_all="$configdirs"
2241 for i in ${configdirs_all} ; do
2242 if test -f ${srcdir}/$i/configure ; then
2243 configdirs="${configdirs} $i"
2247 target_configdirs_all="$target_configdirs"
2249 for i in ${target_configdirs_all} ; do
2250 j=`echo $i | sed -e s/target-//g`
2251 if test -f ${srcdir}/$j/configure ; then
2252 target_configdirs="${target_configdirs} $i"
2256 # Exclude target-zlib if target-libjava isn't built.
2257 case ${target_configdirs} in
2261 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2265 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2266 # so we have to add it after the preceding checks.
2267 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2269 case " $configdirs " in
2271 # If we can build libiberty, we can also build libiberty-linker-plugin.
2272 configdirs="$configdirs libiberty-linker-plugin"
2273 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2274 --with-libiberty=../libiberty-linker-plugin";;
2276 AC_MSG_ERROR([libiberty missing]);;
2280 # Sometimes we have special requirements for the host libiberty.
2281 extra_host_libiberty_configure_flags=
2282 extra_host_zlib_configure_flags=
2283 case " $configdirs " in
2284 *" lto-plugin "* | *" libcc1 "*)
2285 # When these are to be built as shared libraries, the same applies to
2287 extra_host_libiberty_configure_flags=--enable-shared
2290 # When bfd is to be built as a shared library, the same applies to
2292 if test "$enable_shared" = "yes"; then
2293 extra_host_zlib_configure_flags=--enable-host-shared
2297 AC_SUBST(extra_host_libiberty_configure_flags)
2298 AC_SUBST(extra_host_zlib_configure_flags)
2300 # Produce a warning message for the subdirs we can't configure.
2301 # This isn't especially interesting in the Cygnus tree, but in the individual
2302 # FSF releases, it's important to let people know when their machine isn't
2303 # supported by the one or two programs in a package.
2305 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2306 # If $appdirs is non-empty, at least one of those directories must still
2307 # be configured, or we error out. (E.g., if the gas release supports a
2308 # specified target in some subdirs but not the gas subdir, we shouldn't
2309 # pretend that all is well.)
2310 if test -n "$appdirs" ; then
2311 for dir in $appdirs ; do
2312 if test -r $dir/Makefile.in ; then
2313 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2317 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2323 if test -n "$appdirs" ; then
2324 echo "*** This configuration is not supported by this package." 1>&2
2328 # Okay, some application will build, or we don't care to check. Still
2329 # notify of subdirs not getting built.
2330 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2331 echo " ${notsupp}" 1>&2
2332 echo " (Any other directories should still work fine.)" 1>&2
2340 # To find our prefix, in gcc_cv_tool_prefix.
2345 AC_ARG_WITH([build-sysroot],
2346 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2347 [use sysroot as the system root during the build])],
2348 [if test x"$withval" != x ; then
2349 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2351 [SYSROOT_CFLAGS_FOR_TARGET=])
2352 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2354 AC_ARG_WITH([debug-prefix-map],
2355 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2356 [map A to B, C to D ... in debug information])],
2357 [if test x"$withval" != x; then
2358 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2359 for debug_map in $withval; do
2360 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2363 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2364 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2366 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2367 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2368 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2369 # We want to ensure that TARGET libraries (which we know are built with
2370 # gcc) are built with "-O2 -g", so include those options when setting
2371 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2372 if test "x$CFLAGS_FOR_TARGET" = x; then
2373 if test "x${is_cross_compiler}" = xyes; then
2374 CFLAGS_FOR_TARGET="-g -O2"
2376 CFLAGS_FOR_TARGET=$CFLAGS
2379 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2382 *" -g "* | *" -g3 "*) ;;
2383 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2387 AC_SUBST(CFLAGS_FOR_TARGET)
2389 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2390 if test "x${is_cross_compiler}" = xyes; then
2391 CXXFLAGS_FOR_TARGET="-g -O2"
2393 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2394 case " $CXXFLAGS " in
2396 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2398 case " $CXXFLAGS " in
2399 *" -g "* | *" -g3 "*) ;;
2400 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2404 AC_SUBST(CXXFLAGS_FOR_TARGET)
2406 AC_SUBST(LDFLAGS_FOR_TARGET)
2408 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2409 # the named directory are copied to $(tooldir)/sys-include.
2410 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2411 if test x${is_cross_compiler} = xno ; then
2412 echo 1>&2 '***' --with-headers is only supported when cross compiling
2415 if test x"${with_headers}" != xyes ; then
2416 x=${gcc_cv_tool_prefix}
2417 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2421 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2422 # the name directories are copied to $(tooldir)/lib. Multiple directories
2424 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2425 if test x${is_cross_compiler} = xno ; then
2426 echo 1>&2 '***' --with-libs is only supported when cross compiling
2429 if test x"${with_libs}" != xyes ; then
2430 # Copy the libraries in reverse order, so that files in the first named
2431 # library override files in subsequent libraries.
2432 x=${gcc_cv_tool_prefix}
2433 for l in ${with_libs}; do
2434 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2439 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2441 # This is done by determining whether or not the appropriate directory
2442 # is available, and by checking whether or not specific configurations
2443 # have requested that this magic not happen.
2445 # The command line options always override the explicit settings in
2446 # configure.in, and the settings in configure.in override this magic.
2448 # If the default for a toolchain is to use GNU as and ld, and you don't
2449 # want to do that, then you should use the --without-gnu-as and
2450 # --without-gnu-ld options for the configure script. Similarly, if
2451 # the default is to use the included zlib and you don't want to do that,
2452 # you should use the --with-system-zlib option for the configure script.
2454 if test x${use_gnu_as} = x &&
2455 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2457 extra_host_args="$extra_host_args --with-gnu-as"
2460 if test x${use_gnu_ld} = x &&
2461 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2463 extra_host_args="$extra_host_args --with-gnu-ld"
2466 if test x${use_included_zlib} = x &&
2467 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2470 with_system_zlib=yes
2471 extra_host_args="$extra_host_args --with-system-zlib"
2474 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2475 # can detect this case.
2477 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2479 extra_host_args="$extra_host_args --with-newlib"
2482 # Handle ${copy_dirs}
2483 set fnord ${copy_dirs}
2485 while test $# != 0 ; do
2486 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2489 echo Copying $1 to $2
2491 # Use the install script to create the directory and all required
2492 # parent directories.
2493 if test -d $2 ; then
2497 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2500 # Copy the directory, assuming we have tar.
2501 # FIXME: Should we use B in the second tar? Not all systems support it.
2502 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2504 # It is the responsibility of the user to correctly adjust all
2505 # symlinks. If somebody can figure out how to handle them correctly
2506 # here, feel free to add the code.
2513 # Determine a target-dependent exec_prefix that the installed
2514 # gcc will search in. Keep this list sorted by triplet, with
2515 # the *-*-osname triplets last.
2518 i[[34567]]86-pc-msdosdjgpp*)
2519 md_exec_prefix=/dev/env/DJDIR/bin
2524 md_exec_prefix=/usr/ccs/bin
2528 extra_arflags_for_target=
2529 extra_nmflags_for_target=
2530 extra_ranlibflags_for_target=
2531 target_makefile_frag=/dev/null
2534 target_makefile_frag="config/mt-spu"
2536 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2537 target_makefile_frag="config/mt-sde"
2539 mipsisa*-*-elfoabi*)
2540 target_makefile_frag="config/mt-mips-elfoabi"
2542 mips*-*-*linux* | mips*-*-gnu*)
2543 target_makefile_frag="config/mt-mips-gnu"
2546 target_makefile_frag="config/mt-nios2-elf"
2548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2549 target_makefile_frag="config/mt-gnu"
2551 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2552 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2553 # commands to handle both 32-bit and 64-bit objects. These flags are
2554 # harmless if we're using GNU nm or ar.
2555 extra_arflags_for_target=" -X32_64"
2556 extra_nmflags_for_target=" -B -X32_64"
2560 alphaieee_frag=/dev/null
2563 # This just makes sure to use the -mieee option to build target libs.
2564 # This should probably be set individually by each library.
2565 alphaieee_frag="config/mt-alphaieee"
2569 # If --enable-target-optspace always use -Os instead of -O2 to build
2570 # the target libraries, similarly if it is not specified, use -Os
2571 # on selected platforms.
2572 ospace_frag=/dev/null
2573 case "${enable_target_optspace}:${target}" in
2575 ospace_frag="config/mt-ospace"
2578 ospace_frag="config/mt-d30v"
2580 :m32r-* | :d10v-* | :fr30-*)
2581 ospace_frag="config/mt-ospace"
2586 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2590 # Some systems (e.g., one of the i386-aix systems the gas testers are
2591 # using) don't handle "\$" correctly, so don't use it here.
2592 tooldir='${exec_prefix}'/${target_noncanonical}
2593 build_tooldir=${tooldir}
2595 # Create a .gdbinit file which runs the one in srcdir
2596 # and tells GDB to look there for source files.
2598 if test -r ${srcdir}/.gdbinit ; then
2601 *) cat > ./.gdbinit <<EOF
2605 source ${srcdir}/.gdbinit
2611 # Make sure that the compiler is able to generate an executable. If it
2612 # can't, we are probably in trouble. We don't care whether we can run the
2613 # executable--we might be using a cross compiler--we only care whether it
2614 # can be created. At this point the main configure script has set CC.
2616 echo "int main () { return 0; }" > conftest.c
2617 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2618 if test $? = 0 ; then
2619 if test -s conftest || test -s conftest.exe ; then
2625 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2626 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2633 # Decide which environment variable is used to find dynamic libraries.
2635 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2636 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2637 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2638 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2641 # On systems where the dynamic library environment variable is PATH,
2642 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2643 # built executables to PATH.
2644 if test "$RPATH_ENVVAR" = PATH; then
2645 GCC_SHLIB_SUBDIR=/shlib
2650 # Adjust the toplevel makefile according to whether bootstrap was selected.
2651 case $enable_bootstrap in
2653 bootstrap_suffix=bootstrap
2654 BUILD_CONFIG=bootstrap-debug
2657 bootstrap_suffix=no-bootstrap
2662 AC_MSG_CHECKING(for default BUILD_CONFIG)
2664 AC_ARG_WITH([build-config],
2665 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2666 [use config/NAME.mk build configuration])],
2667 [case $with_build_config in
2668 yes) with_build_config= ;;
2669 no) with_build_config= BUILD_CONFIG= ;;
2672 if test "x${with_build_config}" != x; then
2673 BUILD_CONFIG=$with_build_config
2675 case $BUILD_CONFIG in
2677 if echo "int f (void) { return 0; }" > conftest.c &&
2678 ${CC} -c conftest.c &&
2679 mv conftest.o conftest.o.g0 &&
2680 ${CC} -c -g conftest.c &&
2681 mv conftest.o conftest.o.g &&
2682 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2687 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2691 AC_MSG_RESULT($BUILD_CONFIG)
2692 AC_SUBST(BUILD_CONFIG)
2694 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2695 AC_MSG_CHECKING([for --enable-vtable-verify])
2696 AC_ARG_ENABLE(vtable-verify,
2697 [ --enable-vtable-verify Enable vtable verification feature ],
2698 [case "$enableval" in
2699 yes) enable_vtable_verify=yes ;;
2700 no) enable_vtable_verify=no ;;
2701 *) enable_vtable_verify=no;;
2703 [enable_vtable_verify=no])
2704 AC_MSG_RESULT($enable_vtable_verify)
2706 # Record target_configdirs and the configure arguments for target and
2707 # build configuration in Makefile.
2708 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2709 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2710 bootstrap_fixincludes=no
2712 # If we are building libgomp, bootstrap it.
2713 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2714 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2717 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2718 # or bootstrap-ubsan, bootstrap it.
2719 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2720 case "$BUILD_CONFIG" in
2721 *bootstrap-asan* | *bootstrap-ubsan* )
2722 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2723 bootstrap_fixincludes=yes
2728 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2729 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2730 test "$enable_vtable_verify" != no; then
2731 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2734 # If we are building libmpx, bootstrap it.
2735 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2736 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2739 # Determine whether gdb needs tk/tcl or not.
2740 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2741 # and in that case we want gdb to be built without tk. Ugh!
2742 # In fact I believe gdb is the *only* package directly dependent on tk,
2743 # so we should be able to put the 'maybe's in unconditionally and
2744 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2745 # 100% sure that that's safe though.
2747 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2748 case "$enable_gdbtk" in
2752 GDB_TK="${gdb_tk}" ;;
2754 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2755 # distro. Eventually someone will fix this and move Insight, nee
2756 # gdbtk to a separate directory.
2757 if test -d ${srcdir}/gdb/gdbtk ; then
2764 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2765 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2767 # Strip out unwanted targets.
2769 # While at that, we remove Makefiles if we were started for recursive
2770 # configuration, so that the top-level Makefile reconfigures them,
2771 # like we used to do when configure itself was recursive.
2773 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2774 # but now we're fixing up the Makefile ourselves with the additional
2775 # commands passed to AC_CONFIG_FILES. Use separate variables
2776 # extrasub-{build,host,target} not because there is any reason to split
2777 # the substitutions up that way, but only to remain below the limit of
2778 # 99 commands in a script, for HP-UX sed.
2779 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2781 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2782 yes:yes:*\ gold\ *:*,c++,*) ;;
2783 yes:yes:*\ gold\ *:*)
2784 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2789 for module in ${build_configdirs} ; do
2790 if test -z "${no_recursion}" \
2791 && test -f ${build_subdir}/${module}/Makefile; then
2792 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2793 rm -f ${build_subdir}/${module}/Makefile
2795 extrasub_build="$extrasub_build
2796 /^@if build-$module\$/d
2797 /^@endif build-$module\$/d
2798 /^@if build-$module-$bootstrap_suffix\$/d
2799 /^@endif build-$module-$bootstrap_suffix\$/d"
2802 for module in ${configdirs} ; do
2803 if test -z "${no_recursion}"; then
2804 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2805 if test -f ${file}; then
2806 echo 1>&2 "*** removing ${file} to force reconfigure"
2811 case ${module},${bootstrap_fixincludes} in
2812 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2813 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2815 extrasub_host="$extrasub_host
2817 /^@endif $module\$/d
2818 /^@if $module-$host_bootstrap_suffix\$/d
2819 /^@endif $module-$host_bootstrap_suffix\$/d"
2822 for module in ${target_configdirs} ; do
2823 if test -z "${no_recursion}" \
2824 && test -f ${target_subdir}/${module}/Makefile; then
2825 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2826 rm -f ${target_subdir}/${module}/Makefile
2829 # We only bootstrap target libraries listed in bootstrap_target_libs.
2830 case $bootstrap_target_libs in
2831 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2832 *) target_bootstrap_suffix=no-bootstrap ;;
2835 extrasub_target="$extrasub_target
2836 /^@if target-$module\$/d
2837 /^@endif target-$module\$/d
2838 /^@if target-$module-$target_bootstrap_suffix\$/d
2839 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2842 # Do the final fixup along with target modules.
2843 extrasub_target="$extrasub_target
2844 /^@if /,/^@endif /d"
2846 # Create the serialization dependencies. This uses a temporary file.
2848 AC_ARG_ENABLE([serial-configure],
2849 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2850 [force sequential configuration of
2851 sub-packages for the host, target or build
2852 machine, or all sub-packages])])
2854 case ${enable_serial_configure} in
2856 enable_serial_build_configure=yes
2857 enable_serial_host_configure=yes
2858 enable_serial_target_configure=yes
2862 # These force 'configure's to be done one at a time, to avoid problems
2863 # with contention over a shared config.cache.
2865 echo '# serdep.tmp' > serdep.tmp
2867 test "x${enable_serial_build_configure}" = xyes &&
2868 for item in ${build_configdirs} ; do
2871 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2876 test "x${enable_serial_host_configure}" = xyes &&
2877 for item in ${configdirs} ; do
2880 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2885 test "x${enable_serial_target_configure}" = xyes &&
2886 for item in ${target_configdirs} ; do
2889 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2893 serialization_dependencies=serdep.tmp
2894 AC_SUBST_FILE(serialization_dependencies)
2896 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2897 # target, nonopt, and variable assignments. These are the ones we
2898 # might not want to pass down to subconfigures. The exception being
2899 # --cache-file=/dev/null, which is used to turn off the use of cache
2900 # files altogether, and which should be passed on to subconfigures.
2901 # Also strip program-prefix, program-suffix, and program-transform-name,
2902 # so that we can pass down a consistent program-transform-name.
2907 eval "set -- $ac_configure_args"
2910 if test X"$skip_next" = X"yes"; then
2914 if test X"$keep_next" = X"yes"; then
2917 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2919 baseargs="$baseargs '$ac_arg'"
2920 tbaseargs="$tbaseargs '$ac_arg'"
2925 # Handle separated arguments. Based on the logic generated by
2928 *=* | --config-cache | -C | -disable-* | --disable-* \
2929 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2930 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2931 | -with-* | --with-* | -without-* | --without-* | --x)
2945 --with-* | --without-*)
2946 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2950 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2953 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2962 mpc | mpfr | gmp | isl)
2963 # If we're processing --with-$lib, --with-$lib-include or
2964 # --with-$lib-lib, for one of the libs above, and target is
2965 # different from host, don't pass the current argument to any
2966 # target library's configure.
2967 if test x$is_cross_compiler = xyes; then
2976 --cache-file=/dev/null | \
2977 -cache-file=/dev/null )
2978 # Handled here to avoid the test to skip args below.
2979 baseargs="$baseargs '$ac_arg'"
2980 tbaseargs="$tbaseargs '$ac_arg'"
2981 # Assert: $separate_arg should always be no.
2982 keep_next=$separate_arg
2998 -program-prefix* | \
2999 -program-suffix* | \
3000 -program-transform-name* )
3001 skip_next=$separate_arg
3005 # An option. Add it.
3008 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3010 baseargs="$baseargs '$ac_arg'"
3011 if test X"$skip_targ" = Xno; then
3012 tbaseargs="$tbaseargs '$ac_arg'"
3014 keep_next=$separate_arg
3017 # Either a variable assignment, or a nonopt (triplet). Don't
3018 # pass it down; let the Makefile handle this.
3023 # Remove the initial space we just introduced and, as these will be
3024 # expanded by make, quote '$'.
3025 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3027 # Add in --program-transform-name, after --program-prefix and
3028 # --program-suffix have been applied to it. Autoconf has already
3029 # doubled dollar signs and backslashes in program_transform_name; we want
3030 # the backslashes un-doubled, and then the entire thing wrapped in single
3031 # quotes, because this will be expanded first by make and then by the shell.
3032 # Also, because we want to override the logic in subdir configure scripts to
3033 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3034 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3035 ${program_transform_name}
3037 gcc_transform_name=`cat conftestsed.out`
3038 rm -f conftestsed.out
3039 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3040 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3041 if test "$silent" = yes; then
3042 baseargs="$baseargs --silent"
3043 tbaseargs="$tbaseargs --silent"
3045 baseargs="$baseargs --disable-option-checking"
3046 tbaseargs="$tbaseargs --disable-option-checking"
3048 # Record and document user additions to sub configure arguments.
3049 AC_ARG_VAR([build_configargs],
3050 [additional configure arguments for build directories])
3051 AC_ARG_VAR([host_configargs],
3052 [additional configure arguments for host directories])
3053 AC_ARG_VAR([target_configargs],
3054 [additional configure arguments for target directories])
3056 # For the build-side libraries, we just need to pretend we're native,
3057 # and not use the same cache file. Multilibs are neither needed nor
3058 # desired. We can't even use the same cache file for all build-side
3059 # libraries, as they're compiled differently; some with C, some with
3060 # C++ or with different feature-enabling options.
3061 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3063 # For host modules, accept cache file option, or specification as blank.
3064 case "${cache_file}" in
3066 cache_file_option="" ;;
3067 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3068 cache_file_option="--cache-file=${cache_file}" ;;
3070 cache_file_option="--cache-file=../${cache_file}" ;;
3073 # Host dirs don't like to share a cache file either, horribly enough.
3074 # This seems to be due to autoconf 2.5x stupidity.
3075 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3077 target_configargs="$target_configargs ${tbaseargs}"
3079 # Passing a --with-cross-host argument lets the target libraries know
3080 # whether they are being built with a cross-compiler or being built
3081 # native. However, it would be better to use other mechanisms to make the
3082 # sorts of decisions they want to make on this basis. Please consider
3083 # this option to be deprecated. FIXME.
3084 if test x${is_cross_compiler} = xyes ; then
3085 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3088 # Special user-friendly check for native x86_64-linux build, if
3089 # multilib is not explicitly enabled.
3090 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3091 x86_64-*linux*:yes:$build:$build:)
3092 # Make sure we have a developement environment that handles 32-bit
3094 echo "int main () { return 0; }" > conftest.c
3095 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3096 if test $? = 0 ; then
3097 if test -s conftest || test -s conftest.exe ; then
3102 if test x${dev64} != xyes ; then
3103 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.])
3108 # Default to --enable-multilib.
3109 if test x${enable_multilib} = x ; then
3110 target_configargs="--enable-multilib ${target_configargs}"
3113 # Pass --with-newlib if appropriate. Note that target_configdirs has
3114 # changed from the earlier setting of with_newlib.
3115 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3116 target_configargs="--with-newlib ${target_configargs}"
3119 # Different target subdirs use different values of certain variables
3120 # (notably CXX). Worse, multilibs use *lots* of different values.
3121 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3122 # it doesn't automatically accept command-line overrides of them.
3123 # This means it's not safe for target subdirs to share a cache file,
3124 # which is disgusting, but there you have it. Hopefully this can be
3125 # fixed in future. It's still worthwhile to use a cache file for each
3126 # directory. I think.
3128 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3129 # We need to pass --target, as newer autoconf's requires consistency
3130 # for target_alias and gcc doesn't manage it consistently.
3131 target_configargs="--cache-file=./config.cache ${target_configargs}"
3134 case " $target_configdirs " in
3136 case " $target_configargs " in
3137 *" --with-newlib "*)
3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3144 # If we're not building GCC, don't discard standard headers.
3145 if test -d ${srcdir}/gcc; then
3146 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3148 if test "${build}" != "${host}"; then
3149 # On Canadian crosses, CC_FOR_TARGET will have already been set
3150 # by `configure', so we won't have an opportunity to add -Bgcc/
3151 # to it. This is right: we don't want to search that directory
3152 # for binaries, but we want the header files in there, so add
3154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3156 # Someone might think of using the pre-installed headers on
3157 # Canadian crosses, in case the installed compiler is not fully
3158 # compatible with the compiler being built. In this case, it
3159 # would be better to flag an error than risking having
3160 # incompatible object files being constructed. We can't
3161 # guarantee that an error will be flagged, but let's hope the
3162 # compiler will do it, when presented with incompatible header
3167 case "${target}-${is_cross_compiler}" in
3168 i[[3456789]]86-*-linux*-no)
3169 # Here host == target, so we don't need to build gcc,
3170 # so we don't want to discard standard headers.
3171 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3174 # If we're building newlib, use its generic headers last, but search
3175 # for any libc-related directories first (so make it the last -B
3177 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3179 # If we're building libgloss, find the startup file, simulator library
3180 # and linker script.
3181 case " $target_configdirs " in
3183 # Look for startup file, simulator library and maybe linker script.
3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3185 # Look for libnosys.a in case the target needs it.
3186 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3187 # Most targets have the linker script in the source directory.
3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3199 x86_64-*mingw* | *-w64-mingw*)
3200 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3201 # however, use a symlink named 'mingw' in ${prefix} .
3202 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3205 # MinGW can't be handled as Cygwin above since it does not use newlib.
3206 FLAGS_FOR_TARGET=$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'
3210 # Allow the user to override the flags for
3211 # our build compiler if desired.
3212 if test x"${build}" = x"${host}" ; then
3213 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3214 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3215 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3218 # On Canadian crosses, we'll be searching the right directories for
3219 # the previously-installed cross compiler, so don't bother to add
3220 # flags for directories within the install tree of the compiler
3221 # being built; programs in there won't even run.
3222 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3223 # Search for pre-installed headers if nothing else fits.
3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3227 if test "x${use_gnu_ld}" = x &&
3228 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3229 # Arrange for us to find uninstalled linker scripts.
3230 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3233 # Search for other target-specific linker scripts and such.
3236 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3240 # Makefile fragments.
3241 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3243 eval fragval=\$$frag
3244 if test $fragval != /dev/null; then
3245 eval $frag=${srcdir}/$fragval
3248 AC_SUBST_FILE(host_makefile_frag)
3249 AC_SUBST_FILE(target_makefile_frag)
3250 AC_SUBST_FILE(alphaieee_frag)
3251 AC_SUBST_FILE(ospace_frag)
3253 # Miscellanea: directories, flags, etc.
3254 AC_SUBST(RPATH_ENVVAR)
3255 AC_SUBST(GCC_SHLIB_SUBDIR)
3257 AC_SUBST(build_tooldir)
3258 AC_SUBST(CONFIGURE_GDB_TK)
3260 AC_SUBST(INSTALL_GDB_TK)
3262 # Build module lists & subconfigure args.
3263 AC_SUBST(build_configargs)
3264 AC_SUBST(build_configdirs)
3266 # Host module lists & subconfigure args.
3267 AC_SUBST(host_configargs)
3268 AC_SUBST(configdirs)
3269 AC_SUBST(target_configdirs)
3271 # Target module lists & subconfigure args.
3272 AC_SUBST(target_configargs)
3276 AC_SUBST(AR_FOR_BUILD)
3277 AC_SUBST(AS_FOR_BUILD)
3278 AC_SUBST(CC_FOR_BUILD)
3279 AC_SUBST(CFLAGS_FOR_BUILD)
3280 AC_SUBST(CXXFLAGS_FOR_BUILD)
3281 AC_SUBST(CXX_FOR_BUILD)
3282 AC_SUBST(DLLTOOL_FOR_BUILD)
3283 AC_SUBST(GCJ_FOR_BUILD)
3284 AC_SUBST(GFORTRAN_FOR_BUILD)
3285 AC_SUBST(GOC_FOR_BUILD)
3286 AC_SUBST(LDFLAGS_FOR_BUILD)
3287 AC_SUBST(LD_FOR_BUILD)
3288 AC_SUBST(NM_FOR_BUILD)
3289 AC_SUBST(RANLIB_FOR_BUILD)
3290 AC_SUBST(WINDMC_FOR_BUILD)
3291 AC_SUBST(WINDRES_FOR_BUILD)
3293 # Generate default definitions for YACC, M4, LEX and other programs that run
3294 # on the build machine. These are used if the Makefile can't locate these
3295 # programs in objdir.
3296 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3298 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3299 case " $build_configdirs " in
3300 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3303 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3304 case " $build_configdirs " in
3305 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3308 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3309 case " $build_configdirs " in
3310 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3313 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3314 case " $build_configdirs " in
3315 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3316 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3319 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3320 case " $build_configdirs " in
3321 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3324 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3325 case " $build_configdirs " in
3326 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3329 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3330 # higher, else we use the "missing" dummy.
3331 if ${MAKEINFO} --version \
3332 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3335 MAKEINFO="$MISSING makeinfo"
3341 # FIXME: expect and dejagnu may become build tools?
3343 AC_CHECK_PROGS(EXPECT, expect, expect)
3344 case " $configdirs " in
3346 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3350 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3351 case " $configdirs " in
3353 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3359 NCN_STRICT_CHECK_TOOLS(AR, ar)
3360 NCN_STRICT_CHECK_TOOLS(AS, as)
3361 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3362 NCN_STRICT_CHECK_TOOLS(LD, ld)
3363 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3364 NCN_STRICT_CHECK_TOOLS(NM, nm)
3365 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3366 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3367 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3368 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3369 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3370 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3371 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3378 AC_ARG_WITH([build-time-tools],
3379 [AS_HELP_STRING([--with-build-time-tools=PATH],
3380 [use given path to find target tools during the build])],
3381 [case x"$withval" in
3384 with_build_time_tools=
3385 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3388 [with_build_time_tools=])
3390 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3391 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3392 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3393 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3394 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3395 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3397 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3398 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3399 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3400 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3401 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3402 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3403 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3404 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3405 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3406 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3407 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3408 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3409 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3411 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3413 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3414 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3415 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3416 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3417 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3418 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3420 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3421 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3423 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3424 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3425 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3426 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3427 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3428 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3429 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3430 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3431 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3432 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3433 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3434 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3435 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3436 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3437 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3438 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3439 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3440 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3442 AC_SUBST(FLAGS_FOR_TARGET)
3443 AC_SUBST(RAW_CXX_FOR_TARGET)
3445 # Certain tools may need extra flags.
3446 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3447 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3448 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3450 # When building target libraries, except in a Canadian cross, we use
3451 # the same toolchain as the compiler we just built.
3452 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3453 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3454 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3455 if test $host = $build; then
3456 case " $configdirs " in
3458 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3459 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3460 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3465 AC_SUBST(COMPILER_AS_FOR_TARGET)
3466 AC_SUBST(COMPILER_LD_FOR_TARGET)
3467 AC_SUBST(COMPILER_NM_FOR_TARGET)
3469 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3470 AC_ARG_ENABLE(maintainer-mode,
3471 [AS_HELP_STRING([--enable-maintainer-mode],
3472 [enable make rules and dependencies not useful
3473 (and sometimes confusing) to the casual installer])],
3474 USE_MAINTAINER_MODE=$enableval,
3475 USE_MAINTAINER_MODE=no)
3476 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3477 AC_SUBST(MAINTAINER_MODE_TRUE)
3478 AC_SUBST(MAINTAINER_MODE_FALSE)
3479 if test "$USE_MAINTAINER_MODE" = yes; then
3480 MAINTAINER_MODE_TRUE=
3481 MAINTAINER_MODE_FALSE='#'
3483 MAINTAINER_MODE_TRUE='#'
3484 MAINTAINER_MODE_FALSE=
3486 MAINT=$MAINTAINER_MODE_TRUE
3489 # ---------------------
3490 # GCC bootstrap support
3491 # ---------------------
3493 # Stage specific cflags for build.
3498 yes) stage1_cflags="-g -Wa,-J" ;;
3499 *) stage1_cflags="-g -J" ;;
3503 AC_SUBST(stage1_cflags)
3505 # Enable --enable-checking in stage1 of the compiler.
3506 AC_ARG_ENABLE(stage1-checking,
3507 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3508 [choose additional checking for stage1 of the compiler])],
3509 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3510 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3511 stage1_checking=--enable-checking=yes,types
3513 stage1_checking=--enable-checking=$enable_checking,types
3515 AC_SUBST(stage1_checking)
3517 # Enable -Werror in bootstrap stage2 and later.
3518 AC_ARG_ENABLE(werror,
3519 [AS_HELP_STRING([--enable-werror],
3520 [enable -Werror in bootstrap stage2 and later])], [],
3521 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3526 case ${enable_werror} in
3527 yes) stage2_werror_flag="--enable-werror-always" ;;
3528 *) stage2_werror_flag="" ;;
3530 AC_SUBST(stage2_werror_flag)
3532 # Enable --enable-host-shared.
3533 AC_ARG_ENABLE(host-shared,
3534 [AS_HELP_STRING([--enable-host-shared],
3535 [build host code as shared libraries])],
3536 [host_shared=$enableval], [host_shared=no])
3537 AC_SUBST(host_shared)
3539 # PR jit/64780: Require the user to explicitly specify
3540 # --enable-host-shared if the jit is enabled, hinting
3541 # that they might want to do a separate configure/build of
3542 # the jit, to avoid users from slowing down the rest of the
3543 # compiler by enabling the jit.
3544 if test ${host_shared} = "no" ; then
3545 case "${enable_languages}" in
3548 Enabling language "jit" requires --enable-host-shared.
3550 --enable-host-shared typically slows the rest of the compiler down by
3551 a few %, so you must explicitly enable it.
3553 If you want to build both the jit and the regular compiler, it is often
3554 best to do this via two separate configure/builds, in separate
3555 directories, to avoid imposing the performance cost of
3556 --enable-host-shared on the regular compiler.])
3563 # Specify what files to not compare during bootstrap.
3565 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3567 hppa*64*-*-hpux*) ;;
3568 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3569 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3571 AC_SUBST(compare_exclusions)
3573 AC_CONFIG_FILES([Makefile],
3574 [sed "$extrasub_build" Makefile |
3575 sed "$extrasub_host" |
3576 sed "$extrasub_target" > mf$$
3577 mv -f mf$$ Makefile],
3578 [extrasub_build="$extrasub_build"
3579 extrasub_host="$extrasub_host"
3580 extrasub_target="$extrasub_target"])