1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
95 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
99 # Set srcdir to "." if that's what it is.
100 # This is important for multilib support.
102 if test "${pwd}" = "${srcpwd}" ; then
110 ### To add a new directory to the tree, first choose whether it is a target
111 ### or a host dependent tool. Then put it into the appropriate list
112 ### (library or tools, host or target), doing a dependency sort.
114 # Subdirs will be configured in the order listed in build_configdirs,
115 # configdirs, or target_configdirs; see the serialization section below.
117 # Dependency sorting is only needed when *configuration* must be done in
118 # a particular order. In all cases a dependency should be specified in
119 # the Makefile, whether or not it's implicitly specified here.
121 # Double entries in build_configdirs, configdirs, or target_configdirs may
122 # cause circular dependencies and break everything horribly.
124 # these library is used by various programs built for the build
127 build_libs="build-libiberty build-libcpp"
129 # these tools are built for the build environment
130 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
132 # these libraries are used by various programs built for the host environment
134 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
136 # these tools are built for the host environment
137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138 # know that we are building the simulator.
139 # binutils, gas and ld appear in that order because it makes sense to run
140 # "make check" in that particular order.
141 # If --enable-gold is used, "gold" may replace "ld".
142 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"
144 # these libraries are built for the target environment, and are built after
145 # the host libraries and the host tools (which may be a cross compiler)
146 # Note that libiberty is not a target library.
147 target_libraries="target-libgcc \
148 target-libbacktrace \
152 target-liboffloadmic \
156 target-libstdc++-v3 \
157 target-libsanitizer \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 AC_ARG_WITH(system-zlib,
243 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # Don't compile the bundled readline/libreadline.a if --with-system-readline
252 if test x$with_system_readline = xyes ; then
253 noconfigdirs="$noconfigdirs readline"
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*-*-* | mips*-*-* | s390*-*-*)
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])
397 # Decide the default method for compressing debug sections.
398 # Provide a configure time option to override our default.
399 AC_ARG_ENABLE(compressed_debug_sections,
400 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
401 [Enable compressed debug sections for gas, gold or ld by
404 if test x"$enable_compressed_debug_sections" = xyes; then
405 AC_MSG_ERROR([no program with compressed debug sections specified])
407 ], [enable_compressed_debug_sections=])
409 # Configure extra directories which are host specific
413 configdirs="$configdirs libtermcap" ;;
416 # A target can indicate whether a language isn't supported for some reason.
417 # Only spaces may be used in this macro; not newlines or tabs.
418 unsupported_languages=
420 # Remove more programs from consideration, based on the host or
421 # target this usually means that a port of the program doesn't
425 i[[3456789]]86-*-msdosdjgpp*)
426 noconfigdirs="$noconfigdirs tcl tk itcl"
431 AC_ARG_ENABLE(libquadmath,
432 AS_HELP_STRING([--disable-libquadmath],
433 [do not build libquadmath directory]),
434 ENABLE_LIBQUADMATH=$enableval,
435 ENABLE_LIBQUADMATH=yes)
436 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
437 noconfigdirs="$noconfigdirs target-libquadmath"
441 AC_ARG_ENABLE(libquadmath-support,
442 AS_HELP_STRING([--disable-libquadmath-support],
443 [disable libquadmath support for Fortran]),
444 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
445 ENABLE_LIBQUADMATH_SUPPORT=yes)
446 enable_libquadmath_support=
447 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
448 enable_libquadmath_support=no
452 AC_ARG_ENABLE(libada,
453 [AS_HELP_STRING([--enable-libada], [build libada directory])],
454 ENABLE_LIBADA=$enableval,
456 if test "${ENABLE_LIBADA}" != "yes" ; then
457 noconfigdirs="$noconfigdirs gnattools"
460 AC_ARG_ENABLE(libssp,
461 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
462 ENABLE_LIBSSP=$enableval,
465 AC_ARG_ENABLE(libstdcxx,
466 AS_HELP_STRING([--disable-libstdcxx],
467 [do not build libstdc++-v3 directory]),
468 ENABLE_LIBSTDCXX=$enableval,
469 ENABLE_LIBSTDCXX=default)
470 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
471 noconfigdirs="$noconfigdirs target-libstdc++-v3"
474 # If this is accelerator compiler and its target is intelmic we enable
475 # target liboffloadmic by default. If this is compiler with offloading
476 # for intelmic we enable host liboffloadmic by default. Otherwise
477 # liboffloadmic is disabled by default.
478 AC_ARG_ENABLE([liboffloadmic],
479 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
481 [case "$enableval" in
483 enable_liboffloadmic=$enableval ;;
485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
487 [if test x"$enable_as_accelerator_for" != x; then
489 *-intelmic-* | *-intelmicemul-*)
490 enable_liboffloadmic=target
491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
494 enable_liboffloadmic=no
498 case "${enable_offload_targets}" in
499 *-intelmic-* | *-intelmicemul-*)
500 enable_liboffloadmic=host
501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
504 enable_liboffloadmic=no
508 AC_SUBST(extra_liboffloadmic_configure_flags)
510 # Enable libgomp by default on hosted POSIX systems, and a few others.
511 if test x$enable_libgomp = x ; then
513 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
515 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
517 *-*-solaris2* | *-*-hpux11*)
519 *-*-darwin* | *-*-aix*)
524 noconfigdirs="$noconfigdirs target-libgomp"
529 # Disable libatomic on unsupported systems.
530 if test -d ${srcdir}/libatomic; then
531 if test x$enable_libatomic = x; then
532 AC_MSG_CHECKING([for libatomic support])
533 if (srcdir=${srcdir}/libatomic; \
534 . ${srcdir}/configure.tgt; \
535 test -n "$UNSUPPORTED")
538 noconfigdirs="$noconfigdirs target-libatomic"
545 # Disable liboffloadmic on unsupported systems.
546 if test -d ${srcdir}/liboffloadmic; then
547 if test x$enable_liboffloadmic != xno; then
548 AC_MSG_CHECKING([for liboffloadmic support])
549 if (srcdir=${srcdir}/liboffloadmic; \
550 . ${srcdir}/configure.tgt; \
551 test -n "$UNSUPPORTED")
554 noconfigdirs="$noconfigdirs target-liboffloadmic"
561 # Disable libitm on unsupported systems.
562 if test -d ${srcdir}/libitm; then
563 if test x$enable_libitm = x; then
564 AC_MSG_CHECKING([for libitm support])
565 if (srcdir=${srcdir}/libitm; \
566 . ${srcdir}/configure.tgt; \
567 test -n "$UNSUPPORTED")
570 noconfigdirs="$noconfigdirs target-libitm"
577 # Disable libsanitizer on unsupported systems.
578 if test -d ${srcdir}/libsanitizer; then
579 if test x$enable_libsanitizer = x; then
580 AC_MSG_CHECKING([for libsanitizer support])
581 if (srcdir=${srcdir}/libsanitizer; \
582 . ${srcdir}/configure.tgt; \
583 test -n "$UNSUPPORTED")
586 noconfigdirs="$noconfigdirs target-libsanitizer"
593 # Disable libvtv on unsupported systems.
594 if test -d ${srcdir}/libvtv; then
595 if test x$enable_libvtv = x; then
596 AC_MSG_CHECKING([for libvtv support])
597 if (srcdir=${srcdir}/libvtv; \
598 . ${srcdir}/configure.tgt; \
599 test "$VTV_SUPPORTED" != "yes")
602 noconfigdirs="$noconfigdirs target-libvtv"
610 # Disable libhsail-rt on unsupported systems.
611 if test -d ${srcdir}/libhsail-rt; then
612 if test x$enable_libhsail_rt = x; then
613 AC_MSG_CHECKING([for libhsail-rt support])
614 if (srcdir=${srcdir}/libhsail-rt; \
615 . ${srcdir}/configure.tgt; \
616 test -n "$UNSUPPORTED")
619 unsupported_languages="$unsupported_languages brig"
620 # This implicitly disables also target-libhsail-rt as it won't
621 # get added to the build without BRIG FE.
629 # Disable libquadmath for some systems.
632 noconfigdirs="$noconfigdirs target-libquadmath"
634 # libquadmath is unused on AIX and libquadmath build process use of
635 # LD_LIBRARY_PATH can break AIX bootstrap.
636 powerpc-*-aix* | rs6000-*-aix*)
637 noconfigdirs="$noconfigdirs target-libquadmath"
641 # Disable libssp for some systems.
644 # No hosted I/O support.
645 noconfigdirs="$noconfigdirs target-libssp"
647 powerpc-*-aix* | rs6000-*-aix*)
648 noconfigdirs="$noconfigdirs target-libssp"
651 # libssp uses a misaligned load to trigger a fault, but the RL78
652 # doesn't fault for those - instead, it gives a build-time error
653 # for explicit misaligned loads.
654 noconfigdirs="$noconfigdirs target-libssp"
657 # No hosted I/O support.
658 noconfigdirs="$noconfigdirs target-libssp"
662 # Disable libstdc++-v3 for some systems.
663 # Allow user to override this if they pass --enable-libstdc++-v3
664 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
667 # VxWorks uses the Dinkumware C++ library.
668 noconfigdirs="$noconfigdirs target-libstdc++-v3"
671 # the C++ libraries don't build on top of CE's C libraries
672 noconfigdirs="$noconfigdirs target-libstdc++-v3"
675 noconfigdirs="$noconfigdirs target-libstdc++-v3"
678 noconfigdirs="$noconfigdirs target-libstdc++-v3"
683 # Disable D on systems where it is known to not work.
684 # For testing, you can override this with --enable-languages=d.
685 case ,${enable_languages}, in
691 unsupported_languages="$unsupported_languages d"
697 # Disable libphobos on unsupported systems.
698 # For testing, you can override this with --enable-libphobos.
699 if test -d ${srcdir}/libphobos; then
700 if test x$enable_libphobos = x; then
701 AC_MSG_CHECKING([for libphobos support])
702 if (srcdir=${srcdir}/libphobos; \
703 . ${srcdir}/configure.tgt; \
704 test "$LIBPHOBOS_SUPPORTED" != "yes")
707 noconfigdirs="$noconfigdirs target-libphobos"
714 # Disable Fortran for some systems.
717 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
718 unsupported_languages="$unsupported_languages fortran"
722 # Disable libffi for some systems.
726 i[[3456789]]86-*-darwin*)
728 x86_64-*-darwin[[912]]*)
731 noconfigdirs="$noconfigdirs target-libffi"
734 noconfigdirs="$noconfigdirs target-libffi"
737 noconfigdirs="$noconfigdirs target-libffi"
740 noconfigdirs="$noconfigdirs target-libffi"
743 noconfigdirs="$noconfigdirs target-libffi"
746 noconfigdirs="$noconfigdirs target-libffi"
749 noconfigdirs="$noconfigdirs target-libffi"
752 noconfigdirs="$noconfigdirs target-libffi"
755 noconfigdirs="$noconfigdirs target-libffi"
758 noconfigdirs="$noconfigdirs target-libffi"
761 noconfigdirs="$noconfigdirs target-libffi"
764 noconfigdirs="$noconfigdirs target-libffi"
766 cris-*-* | crisv32-*-*)
770 *) # See PR46792 regarding target-libffi.
771 noconfigdirs="$noconfigdirs target-libffi";;
775 noconfigdirs="$noconfigdirs target-libffi"
780 noconfigdirs="$noconfigdirs target-libffi"
783 noconfigdirs="$noconfigdirs target-libffi"
785 i[[3456789]]86-w64-mingw*)
786 noconfigdirs="$noconfigdirs target-libffi"
788 i[[3456789]]86-*-mingw*)
789 noconfigdirs="$noconfigdirs target-libffi"
792 noconfigdirs="$noconfigdirs target-libffi"
795 noconfigdirs="$noconfigdirs target-libffi"
802 noconfigdirs="$noconfigdirs target-libffi"
805 noconfigdirs="$noconfigdirs target-libffi"
809 # Disable the go frontend on systems where it is known to not work. Please keep
810 # this in sync with contrib/config-list.mk.
812 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
813 unsupported_languages="$unsupported_languages go"
817 # Disable libgo for some systems where it is known to not work.
818 # For testing, you can easily override this with --enable-libgo.
819 if test x$enable_libgo = x; then
823 noconfigdirs="$noconfigdirs target-libgo"
825 *-*-cygwin* | *-*-mingw*)
826 noconfigdirs="$noconfigdirs target-libgo"
831 # Default libgloss CPU subdirectory.
832 libgloss_dir="$target_cpu"
835 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
844 cris-*-* | crisv32-*-*)
853 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
870 # Disable newlib and libgloss for various target OSes.
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 i[[3456789]]86-*-linux*)
876 # This section makes it possible to build newlib natively on linux.
877 # If we are using a cross compiler then don't configure newlib.
878 if test x${is_cross_compiler} != xno ; then
879 noconfigdirs="$noconfigdirs target-newlib"
881 noconfigdirs="$noconfigdirs target-libgloss"
882 # If we are not using a cross compiler, do configure newlib.
883 # Note however, that newlib will only be configured in this situation
884 # if the --with-newlib option has been given, because otherwise
885 # 'target-newlib' will appear in skipdirs.
887 i[[3456789]]86-*-rdos*)
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 sh*-*-pe|mips*-*-pe|arm-wince-pe)
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
903 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
906 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
912 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
915 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
921 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
924 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
930 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
933 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
937 # Targets that do not use the ELF file format cannot support libctf.
939 *-*-pe | *-*-*vms* | *-*-darwin | *-*-*coff* | *-*-wince | *-*-mingw*)
940 noconfigdirs="$noconfigdirs libctf"
942 *-*-aout | *-*-osf* | *-*-go32 | *-*-macos* | *-*-rhapsody*)
943 noconfigdirs="$noconfigdirs libctf"
945 *-*-netbsdpe | *-*-cygwin* | *-*-pep | *-*-msdos | *-*-winnt)
946 noconfigdirs="$noconfigdirs libctf"
948 ns32k-*-* | pdp11-*-* | *-*-aix* | *-*-netbsdaout)
949 noconfigdirs="$noconfigdirs libctf"
957 noconfigdirs="$noconfigdirs ld gas gdb gprof"
958 noconfigdirs="$noconfigdirs sim target-rda"
963 noconfigdirs="$noconfigdirs ld gas gdb gprof"
964 noconfigdirs="$noconfigdirs sim target-rda"
967 noconfigdirs="$noconfigdirs ld gas gdb gprof"
968 noconfigdirs="$noconfigdirs sim target-rda"
970 i[[3456789]]86-*-darwin*)
971 noconfigdirs="$noconfigdirs ld gprof"
972 noconfigdirs="$noconfigdirs sim target-rda"
974 x86_64-*-darwin[[912]]*)
975 noconfigdirs="$noconfigdirs ld gas gprof"
976 noconfigdirs="$noconfigdirs sim target-rda"
979 noconfigdirs="$noconfigdirs ld gas gdb gprof"
980 noconfigdirs="$noconfigdirs sim target-rda"
985 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
986 && test -f /usr/local/include/gmp.h; then
991 # Remove unsupported stuff on all kaOS configurations.
992 noconfigdirs="$noconfigdirs target-libgloss"
999 noconfigdirs="$noconfigdirs target-libgloss"
1002 noconfigdirs="$noconfigdirs target-libgloss"
1004 # The tpf target doesn't support gdb yet.
1006 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1009 noconfigdirs="$noconfigdirs target-rda"
1014 # ld works, but does not support shared libraries.
1015 # gas doesn't generate exception information.
1016 noconfigdirs="$noconfigdirs gas ld"
1019 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1022 # newlib is not 64 bit ready
1023 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1025 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1026 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1029 noconfigdirs="$noconfigdirs sim"
1032 noconfigdirs="$noconfigdirs target-libgloss"
1035 noconfigdirs="$noconfigdirs ld target-libgloss"
1038 if test x${with_avrlibc} != xno; then
1039 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1042 c4x-*-* | tic4x-*-*)
1043 noconfigdirs="$noconfigdirs target-libgloss"
1046 noconfigdirs="$noconfigdirs target-libgloss gdb"
1049 noconfigdirs="$noconfigdirs target-libgloss"
1052 noconfigdirs="$noconfigdirs gdb"
1055 noconfigdirs="$noconfigdirs gdb"
1058 noconfigdirs="$noconfigdirs target-rda gprof"
1061 noconfigdirs="$noconfigdirs"
1064 noconfigdirs="$noconfigdirs target-libgloss"
1067 noconfigdirs="$noconfigdirs target-libgloss"
1069 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1072 noconfigdirs="$noconfigdirs gdb"
1075 noconfigdirs="$noconfigdirs gdb ld"
1083 hppa*-*-openbsd* | \
1089 noconfigdirs="$noconfigdirs ld"
1092 noconfigdirs="$noconfigdirs gdb"
1095 # No gdb support yet.
1096 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1099 # No ld support yet.
1100 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1103 # No ld support yet.
1104 noconfigdirs="$noconfigdirs libgui itcl ld"
1106 i[[3456789]]86-w64-mingw*)
1108 i[[3456789]]86-*-mingw*)
1109 target_configdirs="$target_configdirs target-winsup"
1112 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1113 noconfigdirs="$noconfigdirs target-libgloss"
1114 # always build newlib if winsup directory is present.
1115 if test -d "$srcdir/winsup/cygwin"; then
1116 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1117 elif test -d "$srcdir/newlib"; then
1118 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1121 i[[3456789]]86-*-pe)
1122 noconfigdirs="$noconfigdirs target-libgloss"
1124 i[[3456789]]86-*-sco3.2v5*)
1125 # The linker does not yet know about weak symbols in COFF,
1126 # and is not configured to handle mixed ELF and COFF.
1127 noconfigdirs="$noconfigdirs ld target-libgloss"
1129 i[[3456789]]86-*-sco*)
1130 noconfigdirs="$noconfigdirs gprof target-libgloss"
1132 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1133 noconfigdirs="$noconfigdirs target-libgloss"
1135 i[[3456789]]86-*-sysv4*)
1136 noconfigdirs="$noconfigdirs target-libgloss"
1138 i[[3456789]]86-*-beos*)
1139 noconfigdirs="$noconfigdirs gdb"
1141 i[[3456789]]86-*-rdos*)
1142 noconfigdirs="$noconfigdirs gdb"
1145 noconfigdirs="$noconfigdirs gdb"
1148 noconfigdirs="$noconfigdirs sim"
1151 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1152 noconfigdirs="$noconfigdirs $target_libraries"
1155 # copied from rs6000-*-* entry
1156 noconfigdirs="$noconfigdirs gprof"
1158 powerpc*-*-winnt* | powerpc*-*-pe*)
1159 target_configdirs="$target_configdirs target-winsup"
1160 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1161 # always build newlib.
1162 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1164 # This is temporary until we can link against shared libraries
1165 powerpcle-*-solaris*)
1166 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1169 noconfigdirs="$noconfigdirs gdb"
1172 noconfigdirs="$noconfigdirs gprof"
1175 noconfigdirs="$noconfigdirs gprof"
1178 noconfigdirs="$noconfigdirs gprof"
1181 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1184 noconfigdirs="$noconfigdirs gprof"
1186 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1187 if test x$with_newlib = xyes; then
1188 noconfigdirs="$noconfigdirs gprof"
1192 noconfigdirs="$noconfigdirs gprof target-libgloss"
1195 noconfigdirs="$noconfigdirs gprof target-libgloss"
1198 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1202 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1203 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1204 noconfigdirs="$noconfigdirs ld gas gprof"
1207 noconfigdirs="$noconfigdirs gprof"
1210 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1217 noconfigdirs="$noconfigdirs target-libgloss" ;;
1221 if test x${is_cross_compiler} = xno ; then
1226 noconfigdirs="$noconfigdirs sim"
1228 tilepro*-*-* | tilegx*-*-*)
1229 noconfigdirs="$noconfigdirs sim"
1232 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1235 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1238 noconfigdirs="$noconfigdirs ld"
1242 # If we aren't building newlib, then don't build libgloss, since libgloss
1243 # depends upon some newlib header files.
1244 case "${noconfigdirs}" in
1245 *target-libgloss*) ;;
1246 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1249 # Work in distributions that contain no compiler tools, like Autoconf.
1250 host_makefile_frag=/dev/null
1251 if test -d ${srcdir}/config ; then
1253 i[[3456789]]86-*-msdosdjgpp*)
1254 host_makefile_frag="config/mh-djgpp"
1257 ACX_CHECK_CYGWIN_CAT_WORKS
1258 host_makefile_frag="config/mh-cygwin"
1261 host_makefile_frag="config/mh-mingw"
1264 host_makefile_frag="config/mh-alpha-linux"
1267 host_makefile_frag="config/mh-pa-hpux10"
1270 host_makefile_frag="config/mh-pa"
1273 host_makefile_frag="config/mh-pa"
1276 host_makefile_frag="config/mh-darwin"
1279 host_makefile_frag="config/mh-ppc-aix"
1282 host_makefile_frag="config/mh-ppc-aix"
1287 if test "${build}" != "${host}" ; then
1288 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1289 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1290 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1291 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1292 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1293 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1294 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
1295 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1296 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1297 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1298 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1299 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1300 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1302 AR_FOR_BUILD="\$(AR)"
1303 AS_FOR_BUILD="\$(AS)"
1304 CC_FOR_BUILD="\$(CC)"
1305 CXX_FOR_BUILD="\$(CXX)"
1306 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1307 GOC_FOR_BUILD="\$(GOC)"
1308 GDC_FOR_BUILD="\$(GDC)"
1309 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1310 LD_FOR_BUILD="\$(LD)"
1311 NM_FOR_BUILD="\$(NM)"
1312 RANLIB_FOR_BUILD="\$(RANLIB)"
1313 WINDRES_FOR_BUILD="\$(WINDRES)"
1314 WINDMC_FOR_BUILD="\$(WINDMC)"
1320 # We must set the default linker to the linker used by gcc for the correct
1321 # operation of libtool. If LD is not defined and we are using gcc, try to
1322 # set the LD default to the ld used by gcc.
1323 if test -z "$LD"; then
1324 if test "$GCC" = yes; then
1327 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1329 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1331 case $gcc_prog_ld in
1332 # Accept absolute paths.
1333 [[\\/]* | [A-Za-z]:[\\/]*)]
1334 LD="$gcc_prog_ld" ;;
1339 # Check whether -static-libstdc++ -static-libgcc is supported.
1341 if test "$GCC" = yes; then
1342 saved_LDFLAGS="$LDFLAGS"
1344 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1345 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1347 AC_LINK_IFELSE([AC_LANG_SOURCE([
1348 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1349 #error -static-libstdc++ not implemented
1352 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1353 [AC_MSG_RESULT([no])])
1356 LDFLAGS="$saved_LDFLAGS"
1360 ACX_PROG_CMP_IGNORE_INITIAL
1362 AC_ARG_ENABLE([bootstrap],
1363 [AS_HELP_STRING([--enable-bootstrap],
1364 [enable bootstrapping @<:@yes if native build@:>@])],,
1365 enable_bootstrap=default)
1367 # Issue errors and warnings for invalid/strange bootstrap combinations.
1368 if test -r $srcdir/gcc/configure; then
1374 case "$have_compiler:$host:$target:$enable_bootstrap" in
1377 # Default behavior. Enable bootstrap if we have a compiler
1378 # and we are in a native configuration.
1379 yes:$build:$build:default)
1380 enable_bootstrap=yes ;;
1383 enable_bootstrap=no ;;
1385 # We have a compiler and we are in a native configuration, bootstrap is ok
1386 yes:$build:$build:yes)
1389 # Other configurations, but we have a compiler. Assume the user knows
1392 AC_MSG_WARN([trying to bootstrap a cross compiler])
1395 # No compiler: if they passed --enable-bootstrap explicitly, fail
1397 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1399 # Fail if wrong command line
1401 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1405 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1406 # C++98 compiler can still start the bootstrap.
1407 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1408 CXX="$CXX -std=gnu++98"
1411 # Used for setting $lt_cv_objdir
1414 # Check for GMP, MPFR and MPC
1415 gmplibs="-lmpc -lmpfr -lgmp"
1419 # Specify a location for mpc
1420 # check for this first so it ends up on the link line before mpfr.
1422 [AS_HELP_STRING([--with-mpc=PATH],
1423 [specify prefix directory for installed MPC package.
1424 Equivalent to --with-mpc-include=PATH/include
1425 plus --with-mpc-lib=PATH/lib])])
1426 AC_ARG_WITH(mpc-include,
1427 [AS_HELP_STRING([--with-mpc-include=PATH],
1428 [specify directory for installed MPC include files])])
1429 AC_ARG_WITH(mpc-lib,
1430 [AS_HELP_STRING([--with-mpc-lib=PATH],
1431 [specify directory for the installed MPC library])])
1433 if test "x$with_mpc" != x; then
1434 gmplibs="-L$with_mpc/lib $gmplibs"
1435 gmpinc="-I$with_mpc/include $gmpinc"
1437 if test "x$with_mpc_include" != x; then
1438 gmpinc="-I$with_mpc_include $gmpinc"
1440 if test "x$with_mpc_lib" != x; then
1441 gmplibs="-L$with_mpc_lib $gmplibs"
1443 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1444 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1445 gmpinc='-I$$s/mpc/src '"$gmpinc"
1446 # Do not test the mpc version. Assume that it is sufficient, since
1447 # it is in the source tree, and the library has not been built yet
1448 # but it would be included on the link line in the version check below
1449 # hence making the test fail.
1453 # Specify a location for mpfr
1454 # check for this first so it ends up on the link line before gmp.
1455 AC_ARG_WITH(mpfr-dir,
1456 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1457 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1458 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1461 [AS_HELP_STRING([--with-mpfr=PATH],
1462 [specify prefix directory for installed MPFR package.
1463 Equivalent to --with-mpfr-include=PATH/include
1464 plus --with-mpfr-lib=PATH/lib])])
1465 AC_ARG_WITH(mpfr-include,
1466 [AS_HELP_STRING([--with-mpfr-include=PATH],
1467 [specify directory for installed MPFR include files])])
1468 AC_ARG_WITH(mpfr-lib,
1469 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1470 [specify directory for the installed MPFR library])])
1472 if test "x$with_mpfr" != x; then
1473 gmplibs="-L$with_mpfr/lib $gmplibs"
1474 gmpinc="-I$with_mpfr/include $gmpinc"
1476 if test "x$with_mpfr_include" != x; then
1477 gmpinc="-I$with_mpfr_include $gmpinc"
1479 if test "x$with_mpfr_lib" != x; then
1480 gmplibs="-L$with_mpfr_lib $gmplibs"
1482 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1483 # MPFR v3.1.0 moved the sources into a src sub-directory.
1484 if ! test -d ${srcdir}/mpfr/src; then
1486 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1488 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1489 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1490 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1491 # Do not test the mpfr version. Assume that it is sufficient, since
1492 # it is in the source tree, and the library has not been built yet
1493 # but it would be included on the link line in the version check below
1494 # hence making the test fail.
1498 # Specify a location for gmp
1499 AC_ARG_WITH(gmp-dir,
1500 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1501 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1502 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1505 [AS_HELP_STRING([--with-gmp=PATH],
1506 [specify prefix directory for the installed GMP package.
1507 Equivalent to --with-gmp-include=PATH/include
1508 plus --with-gmp-lib=PATH/lib])])
1509 AC_ARG_WITH(gmp-include,
1510 [AS_HELP_STRING([--with-gmp-include=PATH],
1511 [specify directory for installed GMP include files])])
1512 AC_ARG_WITH(gmp-lib,
1513 [AS_HELP_STRING([--with-gmp-lib=PATH],
1514 [specify directory for the installed GMP library])])
1517 if test "x$with_gmp" != x; then
1518 gmplibs="-L$with_gmp/lib $gmplibs"
1519 gmpinc="-I$with_gmp/include $gmpinc"
1521 if test "x$with_gmp_include" != x; then
1522 gmpinc="-I$with_gmp_include $gmpinc"
1524 if test "x$with_gmp_lib" != x; then
1525 gmplibs="-L$with_gmp_lib $gmplibs"
1527 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1528 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1529 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1530 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1531 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1532 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1533 # Do not test the gmp version. Assume that it is sufficient, since
1534 # it is in the source tree, and the library has not been built yet
1535 # but it would be included on the link line in the version check below
1536 # hence making the test fail.
1540 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1542 saved_CFLAGS="$CFLAGS"
1543 CFLAGS="$CFLAGS $gmpinc"
1544 # Check for the recommended and required versions of GMP.
1545 AC_MSG_CHECKING([for the correct version of gmp.h])
1546 AC_TRY_COMPILE([#include "gmp.h"],[
1547 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1548 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1549 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1552 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1553 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1554 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1555 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1558 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1559 [AC_MSG_RESULT([no]); have_gmp=no])
1561 # If we have GMP, check the MPFR version.
1562 if test x"$have_gmp" = xyes; then
1563 # Check for the recommended and required versions of MPFR.
1564 AC_MSG_CHECKING([for the correct version of mpfr.h])
1565 AC_TRY_COMPILE([#include <gmp.h>
1566 #include <mpfr.h>],[
1567 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1570 ], [AC_TRY_COMPILE([#include <gmp.h>
1571 #include <mpfr.h>],[
1572 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1575 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1576 [AC_MSG_RESULT([no]); have_gmp=no])
1579 # Check for the MPC header version.
1580 if test x"$have_gmp" = xyes ; then
1581 # Check for the recommended and required versions of MPC.
1582 AC_MSG_CHECKING([for the correct version of mpc.h])
1583 AC_TRY_COMPILE([#include <mpc.h>],[
1584 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1587 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1588 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1591 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1592 [AC_MSG_RESULT([no]); have_gmp=no])
1595 # Now check the MPFR library.
1596 if test x"$have_gmp" = xyes; then
1598 LIBS="$LIBS $gmplibs"
1599 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1600 AC_TRY_LINK([#include <mpc.h>],[
1607 mpfr_atan2 (n, n, x, GMP_RNDN);
1608 mpfr_erfc (n, x, GMP_RNDN);
1609 mpfr_subnormalize (x, t, GMP_RNDN);
1613 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1614 mpc_cosh (c, c, MPC_RNDNN);
1615 mpc_pow (c, c, c, MPC_RNDNN);
1616 mpc_acosh (c, c, MPC_RNDNN);
1618 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1622 CFLAGS="$saved_CFLAGS"
1624 # The library versions listed in the error message below should match
1625 # the HARD-minimums enforced above.
1626 if test x$have_gmp != xyes; then
1627 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1628 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1629 their locations. Source code for these libraries can be found at
1630 their respective hosting sites as well as at
1631 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1632 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1633 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1634 make sure that you have installed both the libraries and the header
1635 files. They may be located in separate packages.])
1639 # Flags needed for both GMP, MPFR and/or MPC.
1642 AC_SUBST(extra_mpfr_configure_flags)
1643 AC_SUBST(extra_mpc_gmp_configure_flags)
1644 AC_SUBST(extra_mpc_mpfr_configure_flags)
1645 AC_SUBST(extra_isl_gmp_configure_flags)
1647 # Libraries to use for stage1 or when not bootstrapping.
1648 AC_ARG_WITH(stage1-libs,
1649 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1650 [if test "$withval" = "no" -o "$withval" = "yes"; then
1653 stage1_libs=$withval
1656 AC_SUBST(stage1_libs)
1658 # Linker flags to use for stage1 or when not bootstrapping.
1659 AC_ARG_WITH(stage1-ldflags,
1660 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1661 [if test "$withval" = "no" -o "$withval" = "yes"; then
1664 stage1_ldflags=$withval
1667 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1668 # if supported. But if the user explicitly specified the libraries to use,
1669 # trust that they are doing what they want.
1670 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1671 stage1_ldflags="-static-libstdc++ -static-libgcc"
1673 AC_SUBST(stage1_ldflags)
1675 # Libraries to use for stage2 and later builds.
1676 AC_ARG_WITH(boot-libs,
1677 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1678 [if test "$withval" = "no" -o "$withval" = "yes"; then
1681 poststage1_libs=$withval
1684 AC_SUBST(poststage1_libs)
1686 # Linker flags to use for stage2 and later builds.
1687 AC_ARG_WITH(boot-ldflags,
1688 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1689 [linker flags for stage2 and later])],
1690 [if test "$withval" = "no" -o "$withval" = "yes"; then
1693 poststage1_ldflags=$withval
1695 [poststage1_ldflags=
1696 # In stages 2 and 3, default to linking libstdc++ and libgcc
1697 # statically. But if the user explicitly specified the libraries to
1698 # use, trust that they are doing what they want.
1699 if test "$poststage1_libs" = ""; then
1700 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1702 AC_SUBST(poststage1_ldflags)
1704 # GCC GRAPHITE dependency isl.
1705 # Basic setup is inlined here, actual checks are in config/isl.m4
1710 [Specify prefix directory for the installed isl package.
1711 Equivalent to --with-isl-include=PATH/include
1712 plus --with-isl-lib=PATH/lib])])
1714 # Treat --without-isl as a request to disable
1715 # GRAPHITE support and skip all following checks.
1716 if test "x$with_isl" != "xno"; then
1718 dnl Provide configure switches and initialize islinc & isllibs
1719 dnl with user input.
1721 dnl The versions of isl that work for Graphite
1723 dnl Only execute fail-action, if isl has been requested.
1725 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1728 # If the isl check failed, disable builds of in-tree variant of isl
1729 if test "x$with_isl" = xno ||
1730 test "x$gcc_cv_isl" = xno; then
1731 noconfigdirs="$noconfigdirs isl"
1738 # Check for LTO support.
1740 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1741 enable_lto=$enableval,
1742 enable_lto=yes; default_enable_lto=yes)
1744 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1745 build_lto_plugin=yes
1746 ],[if test x"$default_enable_lto" = x"yes" ; then
1748 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1749 # On other non-ELF platforms, LTO has yet to be validated.
1753 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1754 # It would also be nice to check the binutils support, but we don't
1755 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1756 # warn during gcc/ subconfigure; unless you're bootstrapping with
1757 # -flto it won't be needed until after installation anyway.
1759 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1760 *) if test x"$enable_lto" = x"yes"; then
1761 AC_MSG_ERROR([LTO support is not enabled for this target.])
1766 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1767 # Build it unless LTO was explicitly disabled.
1769 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1774 AC_ARG_ENABLE(linker-plugin-configure-flags,
1775 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1776 [additional flags for configuring linker plugins @<:@none@:>@])],
1777 extra_linker_plugin_configure_flags=$enableval,
1778 extra_linker_plugin_configure_flags=)
1779 AC_SUBST(extra_linker_plugin_configure_flags)
1780 AC_ARG_ENABLE(linker-plugin-flags,
1781 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1782 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1783 extra_linker_plugin_flags=$enableval,
1784 extra_linker_plugin_flags=)
1785 AC_SUBST(extra_linker_plugin_flags)
1787 # Enable --enable-host-shared.
1788 # Checked early to determine whether jit is an 'all' language
1789 AC_ARG_ENABLE(host-shared,
1790 [AS_HELP_STRING([--enable-host-shared],
1791 [build host code as shared libraries])],
1792 [host_shared=$enableval], [host_shared=no])
1793 AC_SUBST(host_shared)
1795 # By default, C and C++ are the only stage 1 languages.
1796 stage1_languages=,c,
1798 # Target libraries that we bootstrap.
1799 bootstrap_target_libs=,target-libgcc,
1801 # Figure out what language subdirectories are present.
1802 # Look if the user specified --enable-languages="..."; if not, use
1803 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1805 # NB: embedded tabs in this IF block -- do not untabify
1806 if test -d ${srcdir}/gcc; then
1807 if test x"${enable_languages+set}" != xset; then
1808 if test x"${LANGUAGES+set}" = xset; then
1809 enable_languages="${LANGUAGES}"
1810 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1812 enable_languages=default
1815 if test x"${enable_languages}" = x ||
1816 test x"${enable_languages}" = xyes;
1818 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1822 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1824 # 'f95' is the old name for the 'fortran' language. We issue a warning
1825 # and make the substitution.
1826 case ,${enable_languages}, in
1828 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1829 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1833 # If bootstrapping, C++ must be enabled.
1834 case ",$enable_languages,:$enable_bootstrap" in
1837 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1838 enable_languages="${enable_languages},c++"
1840 AC_MSG_ERROR([bootstrapping requires c++ sources])
1845 # First scan to see if an enabled language requires some other language.
1846 # We assume that a given config-lang.in will list all the language
1847 # front ends it requires, even if some are required indirectly.
1848 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1849 case ${lang_frag} in
1851 # The odd quoting in the next line works around
1852 # an apparent bug in bash 1.12 on linux.
1853 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1855 # From the config-lang.in, get $language, $lang_requires, and
1856 # $lang_requires_boot_languages.
1859 lang_requires_boot_languages=
1860 # set srcdir during sourcing lang_frag to the gcc dir.
1861 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1862 # polutes this shell
1863 saved_srcdir=${srcdir}
1864 srcdir=${srcdir}/gcc . ${lang_frag}
1865 srcdir=${saved_srcdir}
1866 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1867 case ,${enable_languages}, in
1872 echo " \`$other' language required by \`$language'; enabling" 1>&2
1873 enable_languages="${enable_languages},${other}"
1877 for other in ${lang_requires_boot_languages} ; do
1878 if test "$other" != "c"; then
1879 case ,${enable_stage1_languages}, in
1884 case ,${enable_languages}, in
1886 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1887 enable_stage1_languages="$enable_stage1_languages,${other}"
1898 new_enable_languages=,c,
1900 # If LTO is enabled, add the LTO front end.
1901 if test "$enable_lto" = "yes" ; then
1902 case ,${enable_languages}, in
1904 *) enable_languages="${enable_languages},lto" ;;
1906 if test "${build_lto_plugin}" = "yes" ; then
1907 configdirs="$configdirs lto-plugin"
1911 # If we're building an offloading compiler, add the LTO front end.
1912 if test x"$enable_as_accelerator_for" != x ; then
1913 case ,${enable_languages}, in
1915 *) enable_languages="${enable_languages},lto" ;;
1919 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1920 potential_languages=,c,
1922 enabled_target_libs=
1923 disabled_target_libs=
1925 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1926 case ${lang_frag} in
1928 # The odd quoting in the next line works around
1929 # an apparent bug in bash 1.12 on linux.
1930 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1932 # From the config-lang.in, get $language, $target_libs,
1933 # $lang_dirs, $boot_language, and $build_by_default
1939 build_by_default=yes
1940 # set srcdir during sourcing. See above about save & restore
1941 saved_srcdir=${srcdir}
1942 srcdir=${srcdir}/gcc . ${lang_frag}
1943 srcdir=${saved_srcdir}
1944 if test x${language} = x; then
1945 echo "${lang_frag} doesn't set \$language." 1>&2
1949 if test "$language" = "c++"; then
1954 # C is always enabled, so no need to add it again
1955 if test "$language" != "c"; then
1956 case ,${enable_languages}, in
1958 # Language was explicitly selected; include it
1962 # All languages are enabled
1966 # 'default' was selected, select it if it is a default language
1967 add_this_lang=${build_by_default}
1972 # Disable languages that need other directories if these aren't available.
1973 for i in $subdir_requires; do
1974 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1975 case ${add_this_lang} in
1977 # Specifically requested language; tell them.
1978 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1981 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1982 add_this_lang=unsupported
1986 add_this_lang=unsupported
1991 # Disable Ada if no preexisting GNAT is available.
1992 case ${add_this_lang}:${language}:${have_gnat} in
1994 # Specifically requested language; tell them.
1995 AC_MSG_ERROR([GNAT is required to build $language])
1998 AC_MSG_WARN([GNAT is required to build $language])
1999 add_this_lang=unsupported
2003 add_this_lang=unsupported
2007 # Disable jit if -enable-host-shared not specified
2008 case ${add_this_lang}:${language}:${host_shared} in
2010 # PR jit/64780: explicitly specify --enable-host-shared
2012 Enabling language "jit" requires --enable-host-shared.
2014 --enable-host-shared typically slows the rest of the compiler down by
2015 a few %, so you must explicitly enable it.
2017 If you want to build both the jit and the regular compiler, it is often
2018 best to do this via two separate configure/builds, in separate
2019 directories, to avoid imposing the performance cost of
2020 --enable-host-shared on the regular compiler.])
2023 AC_MSG_WARN([--enable-host-shared required to build $language])
2024 add_this_lang=unsupported
2028 add_this_lang=unsupported
2032 # Disable a language that is unsupported by the target.
2033 case "${add_this_lang}: $unsupported_languages " in
2037 AC_MSG_WARN([${language} not supported for this target])
2038 add_this_lang=unsupported
2042 case $add_this_lang in
2044 # Remove language-dependent dirs.
2045 disabled_target_libs="$disabled_target_libs $target_libs"
2046 noconfigdirs="$noconfigdirs $lang_dirs"
2049 # Remove language-dependent dirs; still show language as supported.
2050 disabled_target_libs="$disabled_target_libs $target_libs"
2051 noconfigdirs="$noconfigdirs $lang_dirs"
2052 potential_languages="${potential_languages}${language},"
2055 new_enable_languages="${new_enable_languages}${language},"
2056 potential_languages="${potential_languages}${language},"
2057 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2058 enabled_target_libs="$enabled_target_libs $target_libs"
2059 case "${boot_language}:,$enable_stage1_languages," in
2060 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2061 # Add to (comma-separated) list of stage 1 languages.
2062 case ",$stage1_languages," in
2063 *,$language,* | ,yes, | ,all,) ;;
2064 *) stage1_languages="${stage1_languages}${language}," ;;
2066 # We need to bootstrap any supporting libraries.
2067 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2076 # Add target libraries which are only needed for disabled languages
2078 if test -n "$disabled_target_libs"; then
2079 for dir in $disabled_target_libs; do
2080 case " $enabled_target_libs " in
2082 *) noconfigdirs="$noconfigdirs $dir" ;;
2087 AC_ARG_ENABLE(stage1-languages,
2088 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2089 [choose additional languages to build during
2090 stage1. Mostly useful for compiler development])],
2091 [case ,${enable_stage1_languages}, in
2093 # Set it to something that will have no effect in the loop below
2094 enable_stage1_languages=c ;;
2096 enable_stage1_languages=`echo $new_enable_languages | \
2097 sed -e "s/^,//" -e "s/,$//" ` ;;
2099 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2100 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2103 # Add "good" languages from enable_stage1_languages to stage1_languages,
2104 # while "bad" languages go in missing_languages. Leave no duplicates.
2105 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2106 case $potential_languages in
2108 case $stage1_languages in
2110 *) stage1_languages="$stage1_languages$i," ;;
2113 case $missing_languages in
2115 *) missing_languages="$missing_languages$i," ;;
2120 # Remove leading/trailing commas that were added for simplicity
2121 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2122 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2123 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2124 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2126 if test "x$missing_languages" != x; then
2128 The following requested languages could not be built: ${missing_languages}
2129 Supported languages are: ${potential_languages}])
2131 if test "x$new_enable_languages" != "x$enable_languages"; then
2132 echo The following languages will be built: ${new_enable_languages}
2133 enable_languages="$new_enable_languages"
2136 AC_SUBST(stage1_languages)
2137 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2140 # Handle --disable-<component> generically.
2141 for dir in $configdirs $build_configdirs $target_configdirs ; do
2142 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2143 varname=`echo $dirname | sed -e s/+/_/g`
2144 if eval test x\${enable_${varname}} "=" xno ; then
2145 noconfigdirs="$noconfigdirs $dir"
2149 # Check for Boehm's garbage collector
2150 AC_ARG_ENABLE(objc-gc,
2151 [AS_HELP_STRING([--enable-objc-gc],
2152 [enable use of Boehm's garbage collector with the
2153 GNU Objective-C runtime])])
2154 AC_ARG_WITH([target-bdw-gc],
2155 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2156 [specify prefix directory for installed bdw-gc package.
2157 Equivalent to --with-target-bdw-gc-include=PATH/include
2158 plus --with-target-bdw-gc-lib=PATH/lib])])
2159 AC_ARG_WITH([target-bdw-gc-include],
2160 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2161 [specify directories for installed bdw-gc include files])])
2162 AC_ARG_WITH([target-bdw-gc-lib],
2163 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2164 [specify directories for installed bdw-gc library])])
2166 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2167 AC_MSG_CHECKING([for bdw garbage collector])
2168 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2169 dnl no bdw-gw options, assume default locations
2170 AC_MSG_RESULT([using bdw-gc in default locations])
2172 dnl bdw-gw options, first error checking, complete checking in libobjc
2173 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2174 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2175 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2176 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2178 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2183 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2184 case ,${enable_languages}, in
2186 # Disable libitm, libsanitizer if we're not building libstdc++
2187 case "${noconfigdirs}" in
2188 *target-libstdc++-v3*)
2189 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2195 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2199 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2200 # $build_configdirs and $target_configdirs.
2201 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2204 for dir in . $skipdirs $noconfigdirs ; do
2205 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2206 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2207 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2208 if test -r $srcdir/$dirname/configure ; then
2209 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2212 notsupp="$notsupp $dir"
2216 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2217 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2218 if test -r $srcdir/$dirname/configure ; then
2219 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2222 notsupp="$notsupp $dir"
2226 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2227 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2228 if test -r $srcdir/$dirname/configure ; then
2229 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2232 notsupp="$notsupp $dir"
2238 # Quietly strip out all directories which aren't configurable in this tree.
2239 # This relies on all configurable subdirectories being autoconfiscated, which
2241 build_configdirs_all="$build_configdirs"
2243 for i in ${build_configdirs_all} ; do
2244 j=`echo $i | sed -e s/build-//g`
2245 if test -f ${srcdir}/$j/configure ; then
2246 build_configdirs="${build_configdirs} $i"
2250 configdirs_all="$configdirs"
2252 for i in ${configdirs_all} ; do
2253 if test -f ${srcdir}/$i/configure ; then
2254 configdirs="${configdirs} $i"
2258 target_configdirs_all="$target_configdirs"
2260 for i in ${target_configdirs_all} ; do
2261 j=`echo $i | sed -e s/target-//g`
2262 if test -f ${srcdir}/$j/configure ; then
2263 target_configdirs="${target_configdirs} $i"
2267 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2268 # so we have to add it after the preceding checks.
2269 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2271 case " $configdirs " in
2273 # If we can build libiberty, we can also build libiberty-linker-plugin.
2274 configdirs="$configdirs libiberty-linker-plugin"
2275 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2276 --with-libiberty=../libiberty-linker-plugin";;
2278 AC_MSG_ERROR([libiberty missing]);;
2282 # Sometimes we have special requirements for the host libiberty.
2283 extra_host_libiberty_configure_flags=
2284 extra_host_zlib_configure_flags=
2285 case " $configdirs " in
2286 *" lto-plugin "* | *" libcc1 "*)
2287 # When these are to be built as shared libraries, the same applies to
2289 extra_host_libiberty_configure_flags=--enable-shared
2292 # When bfd is to be built as a shared library, the same applies to
2294 if test "$enable_shared" = "yes"; then
2295 extra_host_zlib_configure_flags=--enable-host-shared
2299 AC_SUBST(extra_host_libiberty_configure_flags)
2300 AC_SUBST(extra_host_zlib_configure_flags)
2302 # Produce a warning message for the subdirs we can't configure.
2303 # This isn't especially interesting in the Cygnus tree, but in the individual
2304 # FSF releases, it's important to let people know when their machine isn't
2305 # supported by the one or two programs in a package.
2307 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2308 # If $appdirs is non-empty, at least one of those directories must still
2309 # be configured, or we error out. (E.g., if the gas release supports a
2310 # specified target in some subdirs but not the gas subdir, we shouldn't
2311 # pretend that all is well.)
2312 if test -n "$appdirs" ; then
2313 for dir in $appdirs ; do
2314 if test -r $dir/Makefile.in ; then
2315 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2319 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2325 if test -n "$appdirs" ; then
2326 echo "*** This configuration is not supported by this package." 1>&2
2330 # Okay, some application will build, or we don't care to check. Still
2331 # notify of subdirs not getting built.
2332 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2333 echo " ${notsupp}" 1>&2
2334 echo " (Any other directories should still work fine.)" 1>&2
2342 # To find our prefix, in gcc_cv_tool_prefix.
2347 AC_ARG_WITH([build-sysroot],
2348 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2349 [use sysroot as the system root during the build])],
2350 [if test x"$withval" != x ; then
2351 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2353 [SYSROOT_CFLAGS_FOR_TARGET=])
2354 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2356 AC_ARG_WITH([debug-prefix-map],
2357 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2358 [map A to B, C to D ... in debug information])],
2359 [if test x"$withval" != x; then
2360 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2361 for debug_map in $withval; do
2362 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2365 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2366 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2368 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2369 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2370 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2371 # We want to ensure that TARGET libraries (which we know are built with
2372 # gcc) are built with "-O2 -g", so include those options when setting
2373 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2374 if test "x$CFLAGS_FOR_TARGET" = x; then
2375 if test "x${is_cross_compiler}" = xyes; then
2376 CFLAGS_FOR_TARGET="-g -O2"
2378 CFLAGS_FOR_TARGET=$CFLAGS
2381 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2384 *" -g "* | *" -g3 "*) ;;
2385 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2389 AC_SUBST(CFLAGS_FOR_TARGET)
2391 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2392 if test "x${is_cross_compiler}" = xyes; then
2393 CXXFLAGS_FOR_TARGET="-g -O2"
2395 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2396 case " $CXXFLAGS " in
2398 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2400 case " $CXXFLAGS " in
2401 *" -g "* | *" -g3 "*) ;;
2402 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2406 AC_SUBST(CXXFLAGS_FOR_TARGET)
2408 AC_SUBST(LDFLAGS_FOR_TARGET)
2410 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2411 # the named directory are copied to $(tooldir)/sys-include.
2412 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2413 if test x${is_cross_compiler} = xno ; then
2414 echo 1>&2 '***' --with-headers is only supported when cross compiling
2417 if test x"${with_headers}" != xyes ; then
2418 x=${gcc_cv_tool_prefix}
2419 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2423 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2424 # the name directories are copied to $(tooldir)/lib. Multiple directories
2426 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2427 if test x${is_cross_compiler} = xno ; then
2428 echo 1>&2 '***' --with-libs is only supported when cross compiling
2431 if test x"${with_libs}" != xyes ; then
2432 # Copy the libraries in reverse order, so that files in the first named
2433 # library override files in subsequent libraries.
2434 x=${gcc_cv_tool_prefix}
2435 for l in ${with_libs}; do
2436 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2441 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2443 # This is done by determining whether or not the appropriate directory
2444 # is available, and by checking whether or not specific configurations
2445 # have requested that this magic not happen.
2447 # The command line options always override the explicit settings in
2448 # configure.ac, and the settings in configure.ac override this magic.
2450 # If the default for a toolchain is to use GNU as and ld, and you don't
2451 # want to do that, then you should use the --without-gnu-as and
2452 # --without-gnu-ld options for the configure script. Similarly, if
2453 # the default is to use the included zlib and you don't want to do that,
2454 # you should use the --with-system-zlib option for the configure script.
2456 if test x${use_gnu_as} = x &&
2457 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2459 extra_host_args="$extra_host_args --with-gnu-as"
2462 if test x${use_gnu_ld} = x &&
2463 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2465 extra_host_args="$extra_host_args --with-gnu-ld"
2468 if test x${use_included_zlib} = x &&
2469 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2472 with_system_zlib=yes
2473 extra_host_args="$extra_host_args --with-system-zlib"
2476 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2477 # can detect this case.
2479 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2481 extra_host_args="$extra_host_args --with-newlib"
2484 # Handle ${copy_dirs}
2485 set fnord ${copy_dirs}
2487 while test $# != 0 ; do
2488 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2491 echo Copying $1 to $2
2493 # Use the install script to create the directory and all required
2494 # parent directories.
2495 if test -d $2 ; then
2499 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2502 # Copy the directory, assuming we have tar.
2503 # FIXME: Should we use B in the second tar? Not all systems support it.
2504 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2506 # It is the responsibility of the user to correctly adjust all
2507 # symlinks. If somebody can figure out how to handle them correctly
2508 # here, feel free to add the code.
2515 # Determine a target-dependent exec_prefix that the installed
2516 # gcc will search in. Keep this list sorted by triplet, with
2517 # the *-*-osname triplets last.
2520 i[[34567]]86-pc-msdosdjgpp*)
2521 md_exec_prefix=/dev/env/DJDIR/bin
2526 md_exec_prefix=/usr/ccs/bin
2530 extra_arflags_for_target=
2531 extra_nmflags_for_target=
2532 extra_ranlibflags_for_target=
2533 target_makefile_frag=/dev/null
2536 target_makefile_frag="config/mt-spu"
2538 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2539 target_makefile_frag="config/mt-sde"
2541 mipsisa*-*-elfoabi*)
2542 target_makefile_frag="config/mt-mips-elfoabi"
2544 mips*-*-*linux* | mips*-*-gnu*)
2545 target_makefile_frag="config/mt-mips-gnu"
2548 target_makefile_frag="config/mt-nios2-elf"
2551 target_makefile_frag="config/mt-android"
2553 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2554 target_makefile_frag="config/mt-gnu"
2556 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2557 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2558 # commands to handle both 32-bit and 64-bit objects. These flags are
2559 # harmless if we're using GNU nm or ar.
2560 extra_arflags_for_target=" -X32_64"
2561 extra_nmflags_for_target=" -B -X32_64"
2565 alphaieee_frag=/dev/null
2568 # This just makes sure to use the -mieee option to build target libs.
2569 # This should probably be set individually by each library.
2570 alphaieee_frag="config/mt-alphaieee"
2574 # If --enable-target-optspace always use -Os instead of -O2 to build
2575 # the target libraries, similarly if it is not specified, use -Os
2576 # on selected platforms.
2577 ospace_frag=/dev/null
2578 case "${enable_target_optspace}:${target}" in
2580 ospace_frag="config/mt-ospace"
2583 ospace_frag="config/mt-d30v"
2585 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2586 ospace_frag="config/mt-ospace"
2591 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2595 # Some systems (e.g., one of the i386-aix systems the gas testers are
2596 # using) don't handle "\$" correctly, so don't use it here.
2597 tooldir='${exec_prefix}'/${target_noncanonical}
2598 build_tooldir=${tooldir}
2600 # Create a .gdbinit file which runs the one in srcdir
2601 # and tells GDB to look there for source files.
2603 if test -r ${srcdir}/.gdbinit ; then
2606 *) cat > ./.gdbinit <<EOF
2610 source ${srcdir}/.gdbinit
2616 # Make sure that the compiler is able to generate an executable. If it
2617 # can't, we are probably in trouble. We don't care whether we can run the
2618 # executable--we might be using a cross compiler--we only care whether it
2619 # can be created. At this point the main configure script has set CC.
2621 echo "int main () { return 0; }" > conftest.c
2622 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2623 if test $? = 0 ; then
2624 if test -s conftest || test -s conftest.exe ; then
2630 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2631 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2638 # Decide which environment variable is used to find dynamic libraries.
2640 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2641 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2642 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2643 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2646 # On systems where the dynamic library environment variable is PATH,
2647 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2648 # built executables to PATH.
2649 if test "$RPATH_ENVVAR" = PATH; then
2650 GCC_SHLIB_SUBDIR=/shlib
2655 # Adjust the toplevel makefile according to whether bootstrap was selected.
2656 case $enable_bootstrap in
2658 bootstrap_suffix=bootstrap
2659 BUILD_CONFIG=bootstrap-debug
2662 bootstrap_suffix=no-bootstrap
2667 AC_MSG_CHECKING(for default BUILD_CONFIG)
2669 AC_ARG_WITH([build-config],
2670 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2671 [use config/NAME.mk build configuration])],
2672 [case $with_build_config in
2673 yes) with_build_config= ;;
2674 no) with_build_config= BUILD_CONFIG= ;;
2677 if test "x${with_build_config}" != x; then
2678 BUILD_CONFIG=$with_build_config
2680 case $BUILD_CONFIG in
2682 if echo "int f (void) { return 0; }" > conftest.c &&
2683 ${CC} -c conftest.c &&
2684 mv conftest.o conftest.o.g0 &&
2685 ${CC} -c -g conftest.c &&
2686 mv conftest.o conftest.o.g &&
2687 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2692 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2696 AC_MSG_RESULT($BUILD_CONFIG)
2697 AC_SUBST(BUILD_CONFIG)
2699 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2700 AC_MSG_CHECKING([for --enable-vtable-verify])
2701 AC_ARG_ENABLE(vtable-verify,
2702 [AS_HELP_STRING([--enable-vtable-verify],
2703 [Enable vtable verification feature])],
2704 [case "$enableval" in
2705 yes) enable_vtable_verify=yes ;;
2706 no) enable_vtable_verify=no ;;
2707 *) enable_vtable_verify=no;;
2709 [enable_vtable_verify=no])
2710 AC_MSG_RESULT($enable_vtable_verify)
2712 # Record target_configdirs and the configure arguments for target and
2713 # build configuration in Makefile.
2714 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2715 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2716 bootstrap_fixincludes=no
2718 # If we are building libgomp, bootstrap it.
2719 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2720 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2723 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2724 # or bootstrap-ubsan, bootstrap it.
2725 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2726 case "$BUILD_CONFIG" in
2727 *bootstrap-asan* | *bootstrap-ubsan* )
2728 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2729 bootstrap_fixincludes=yes
2734 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2735 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2736 test "$enable_vtable_verify" != no; then
2737 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2740 # Determine whether gdb needs tk/tcl or not.
2741 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2742 # and in that case we want gdb to be built without tk. Ugh!
2743 # In fact I believe gdb is the *only* package directly dependent on tk,
2744 # so we should be able to put the 'maybe's in unconditionally and
2745 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2746 # 100% sure that that's safe though.
2748 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2749 case "$enable_gdbtk" in
2753 GDB_TK="${gdb_tk}" ;;
2755 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2756 # distro. Eventually someone will fix this and move Insight, nee
2757 # gdbtk to a separate directory.
2758 if test -d ${srcdir}/gdb/gdbtk ; then
2765 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2766 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2768 # Strip out unwanted targets.
2770 # While at that, we remove Makefiles if we were started for recursive
2771 # configuration, so that the top-level Makefile reconfigures them,
2772 # like we used to do when configure itself was recursive.
2774 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2775 # but now we're fixing up the Makefile ourselves with the additional
2776 # commands passed to AC_CONFIG_FILES. Use separate variables
2777 # extrasub-{build,host,target} not because there is any reason to split
2778 # the substitutions up that way, but only to remain below the limit of
2779 # 99 commands in a script, for HP-UX sed.
2781 # Do not nest @if/@endif or @unless/@endunless pairs, because
2782 # configure will not warn you at all.
2784 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2785 yes:yes:*\ gold\ *:*,c++,*) ;;
2786 yes:yes:*\ gold\ *:*)
2787 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2792 for module in ${build_configdirs} ; do
2793 if test -z "${no_recursion}" \
2794 && test -f ${build_subdir}/${module}/Makefile; then
2795 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2796 rm -f ${build_subdir}/${module}/Makefile
2798 extrasub_build="$extrasub_build
2799 /^@if build-$module\$/d
2800 /^@endif build-$module\$/d
2801 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2802 /^@if build-$module-$bootstrap_suffix\$/d
2803 /^@endif build-$module-$bootstrap_suffix\$/d
2804 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2807 for module in ${configdirs} ; do
2808 if test -z "${no_recursion}"; then
2809 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2810 if test -f ${file}; then
2811 echo 1>&2 "*** removing ${file} to force reconfigure"
2816 case ${module},${bootstrap_fixincludes} in
2817 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2818 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2820 extrasub_host="$extrasub_host
2822 /^@endif $module\$/d
2823 /^@unless $module\$/,/^@endunless $module\$/d
2824 /^@if $module-$host_bootstrap_suffix\$/d
2825 /^@endif $module-$host_bootstrap_suffix\$/d
2826 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2829 for module in ${target_configdirs} ; do
2830 if test -z "${no_recursion}" \
2831 && test -f ${target_subdir}/${module}/Makefile; then
2832 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2833 rm -f ${target_subdir}/${module}/Makefile
2836 # We only bootstrap target libraries listed in bootstrap_target_libs.
2837 case $bootstrap_target_libs in
2838 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2839 *) target_bootstrap_suffix=no-bootstrap ;;
2842 extrasub_target="$extrasub_target
2843 /^@if target-$module\$/d
2844 /^@endif target-$module\$/d
2845 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2846 /^@if target-$module-$target_bootstrap_suffix\$/d
2847 /^@endif target-$module-$target_bootstrap_suffix\$/d
2848 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2851 # Do the final fixup along with target modules.
2852 extrasub_target="$extrasub_target
2857 # Create the serialization dependencies. This uses a temporary file.
2859 AC_ARG_ENABLE([serial-configure],
2860 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2861 [force sequential configuration of
2862 sub-packages for the host, target or build
2863 machine, or all sub-packages])])
2865 case ${enable_serial_configure} in
2867 enable_serial_build_configure=yes
2868 enable_serial_host_configure=yes
2869 enable_serial_target_configure=yes
2873 # These force 'configure's to be done one at a time, to avoid problems
2874 # with contention over a shared config.cache.
2876 echo '# serdep.tmp' > serdep.tmp
2878 test "x${enable_serial_build_configure}" = xyes &&
2879 for item in ${build_configdirs} ; do
2882 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2887 test "x${enable_serial_host_configure}" = xyes &&
2888 for item in ${configdirs} ; do
2891 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2896 test "x${enable_serial_target_configure}" = xyes &&
2897 for item in ${target_configdirs} ; do
2900 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2904 serialization_dependencies=serdep.tmp
2905 AC_SUBST_FILE(serialization_dependencies)
2907 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2908 # target, nonopt, and variable assignments. These are the ones we
2909 # might not want to pass down to subconfigures. The exception being
2910 # --cache-file=/dev/null, which is used to turn off the use of cache
2911 # files altogether, and which should be passed on to subconfigures.
2912 # Also strip program-prefix, program-suffix, and program-transform-name,
2913 # so that we can pass down a consistent program-transform-name.
2918 eval "set -- $ac_configure_args"
2921 if test X"$skip_next" = X"yes"; then
2925 if test X"$keep_next" = X"yes"; then
2928 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2930 baseargs="$baseargs '$ac_arg'"
2931 tbaseargs="$tbaseargs '$ac_arg'"
2936 # Handle separated arguments. Based on the logic generated by
2939 *=* | --config-cache | -C | -disable-* | --disable-* \
2940 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2941 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2942 | -with-* | --with-* | -without-* | --without-* | --x)
2956 --with-* | --without-*)
2957 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2961 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2964 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2973 mpc | mpfr | gmp | isl)
2974 # If we're processing --with-$lib, --with-$lib-include or
2975 # --with-$lib-lib, for one of the libs above, and target is
2976 # different from host, don't pass the current argument to any
2977 # target library's configure.
2978 if test x$is_cross_compiler = xyes; then
2987 --cache-file=/dev/null | \
2988 -cache-file=/dev/null )
2989 # Handled here to avoid the test to skip args below.
2990 baseargs="$baseargs '$ac_arg'"
2991 tbaseargs="$tbaseargs '$ac_arg'"
2992 # Assert: $separate_arg should always be no.
2993 keep_next=$separate_arg
3009 -program-prefix* | \
3010 -program-suffix* | \
3011 -program-transform-name* )
3012 skip_next=$separate_arg
3016 # An option. Add it.
3019 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3021 baseargs="$baseargs '$ac_arg'"
3022 if test X"$skip_targ" = Xno; then
3023 tbaseargs="$tbaseargs '$ac_arg'"
3025 keep_next=$separate_arg
3028 # Either a variable assignment, or a nonopt (triplet). Don't
3029 # pass it down; let the Makefile handle this.
3034 # Remove the initial space we just introduced and, as these will be
3035 # expanded by make, quote '$'.
3036 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3038 # Add in --program-transform-name, after --program-prefix and
3039 # --program-suffix have been applied to it. Autoconf has already
3040 # doubled dollar signs and backslashes in program_transform_name; we want
3041 # the backslashes un-doubled, and then the entire thing wrapped in single
3042 # quotes, because this will be expanded first by make and then by the shell.
3043 # Also, because we want to override the logic in subdir configure scripts to
3044 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3045 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3046 ${program_transform_name}
3048 gcc_transform_name=`cat conftestsed.out`
3049 rm -f conftestsed.out
3050 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3051 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3052 if test "$silent" = yes; then
3053 baseargs="$baseargs --silent"
3054 tbaseargs="$tbaseargs --silent"
3056 baseargs="$baseargs --disable-option-checking"
3057 tbaseargs="$tbaseargs --disable-option-checking"
3059 # Record and document user additions to sub configure arguments.
3060 AC_ARG_VAR([build_configargs],
3061 [additional configure arguments for build directories])
3062 AC_ARG_VAR([host_configargs],
3063 [additional configure arguments for host directories])
3064 AC_ARG_VAR([target_configargs],
3065 [additional configure arguments for target directories])
3067 # For the build-side libraries, we just need to pretend we're native,
3068 # and not use the same cache file. Multilibs are neither needed nor
3069 # desired. We can't even use the same cache file for all build-side
3070 # libraries, as they're compiled differently; some with C, some with
3071 # C++ or with different feature-enabling options.
3072 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3074 # For host modules, accept cache file option, or specification as blank.
3075 case "${cache_file}" in
3077 cache_file_option="" ;;
3078 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3079 cache_file_option="--cache-file=${cache_file}" ;;
3081 cache_file_option="--cache-file=../${cache_file}" ;;
3084 # Host dirs don't like to share a cache file either, horribly enough.
3085 # This seems to be due to autoconf 2.5x stupidity.
3086 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3088 target_configargs="$target_configargs ${tbaseargs}"
3090 # Passing a --with-cross-host argument lets the target libraries know
3091 # whether they are being built with a cross-compiler or being built
3092 # native. However, it would be better to use other mechanisms to make the
3093 # sorts of decisions they want to make on this basis. Please consider
3094 # this option to be deprecated. FIXME.
3095 if test x${is_cross_compiler} = xyes ; then
3096 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3099 # Special user-friendly check for native x86_64-linux build, if
3100 # multilib is not explicitly enabled.
3101 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3102 x86_64-*linux*:yes:$build:$build:)
3103 # Make sure we have a development environment that handles 32-bit
3105 echo "int main () { return 0; }" > conftest.c
3106 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3107 if test $? = 0 ; then
3108 if test -s conftest || test -s conftest.exe ; then
3113 if test x${dev64} != xyes ; then
3114 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
3119 # Default to --enable-multilib.
3120 if test x${enable_multilib} = x ; then
3121 target_configargs="--enable-multilib ${target_configargs}"
3124 # Pass --with-newlib if appropriate. Note that target_configdirs has
3125 # changed from the earlier setting of with_newlib.
3126 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3127 target_configargs="--with-newlib ${target_configargs}"
3130 # Different target subdirs use different values of certain variables
3131 # (notably CXX). Worse, multilibs use *lots* of different values.
3132 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3133 # it doesn't automatically accept command-line overrides of them.
3134 # This means it's not safe for target subdirs to share a cache file,
3135 # which is disgusting, but there you have it. Hopefully this can be
3136 # fixed in future. It's still worthwhile to use a cache file for each
3137 # directory. I think.
3139 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3140 # We need to pass --target, as newer autoconf's requires consistency
3141 # for target_alias and gcc doesn't manage it consistently.
3142 target_configargs="--cache-file=./config.cache ${target_configargs}"
3145 case " $target_configdirs " in
3147 case " $target_configargs " in
3148 *" --with-newlib "*)
3151 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3155 # If we're not building GCC, don't discard standard headers.
3156 if test -d ${srcdir}/gcc; then
3157 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3159 if test "${build}" != "${host}"; then
3160 # On Canadian crosses, CC_FOR_TARGET will have already been set
3161 # by `configure', so we won't have an opportunity to add -Bgcc/
3162 # to it. This is right: we don't want to search that directory
3163 # for binaries, but we want the header files in there, so add
3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3167 # Someone might think of using the pre-installed headers on
3168 # Canadian crosses, in case the installed compiler is not fully
3169 # compatible with the compiler being built. In this case, it
3170 # would be better to flag an error than risking having
3171 # incompatible object files being constructed. We can't
3172 # guarantee that an error will be flagged, but let's hope the
3173 # compiler will do it, when presented with incompatible header
3178 case "${target}-${is_cross_compiler}" in
3179 i[[3456789]]86-*-linux*-no)
3180 # Here host == target, so we don't need to build gcc,
3181 # so we don't want to discard standard headers.
3182 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3185 # If we're building newlib, use its generic headers last, but search
3186 # for any libc-related directories first (so make it the last -B
3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3190 # If we're building libgloss, find the startup file, simulator library
3191 # and linker script.
3192 case " $target_configdirs " in
3194 # Look for startup file, simulator library and maybe linker script.
3195 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3196 # Look for libnosys.a in case the target needs it.
3197 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3198 # Most targets have the linker script in the source directory.
3199 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3210 x86_64-*mingw* | *-w64-mingw*)
3211 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3212 # however, use a symlink named 'mingw' in ${prefix} .
3213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3216 # MinGW can't be handled as Cygwin above since it does not use newlib.
3217 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3221 # Allow the user to override the flags for
3222 # our build compiler if desired.
3223 if test x"${build}" = x"${host}" ; then
3224 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3225 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3226 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3229 # On Canadian crosses, we'll be searching the right directories for
3230 # the previously-installed cross compiler, so don't bother to add
3231 # flags for directories within the install tree of the compiler
3232 # being built; programs in there won't even run.
3233 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3234 # Search for pre-installed headers if nothing else fits.
3235 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3238 if test "x${use_gnu_ld}" = x &&
3239 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3240 # Arrange for us to find uninstalled linker scripts.
3241 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3244 # Search for other target-specific linker scripts and such.
3247 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3251 # Makefile fragments.
3252 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3254 eval fragval=\$$frag
3255 if test $fragval != /dev/null; then
3256 eval $frag=${srcdir}/$fragval
3259 AC_SUBST_FILE(host_makefile_frag)
3260 AC_SUBST_FILE(target_makefile_frag)
3261 AC_SUBST_FILE(alphaieee_frag)
3262 AC_SUBST_FILE(ospace_frag)
3264 # Miscellanea: directories, flags, etc.
3265 AC_SUBST(RPATH_ENVVAR)
3266 AC_SUBST(GCC_SHLIB_SUBDIR)
3268 AC_SUBST(build_tooldir)
3269 AC_SUBST(CONFIGURE_GDB_TK)
3271 AC_SUBST(INSTALL_GDB_TK)
3273 # Build module lists & subconfigure args.
3274 AC_SUBST(build_configargs)
3275 AC_SUBST(build_configdirs)
3277 # Host module lists & subconfigure args.
3278 AC_SUBST(host_configargs)
3279 AC_SUBST(configdirs)
3280 AC_SUBST(target_configdirs)
3282 # Target module lists & subconfigure args.
3283 AC_SUBST(target_configargs)
3287 AC_SUBST(AR_FOR_BUILD)
3288 AC_SUBST(AS_FOR_BUILD)
3289 AC_SUBST(CC_FOR_BUILD)
3290 AC_SUBST(CFLAGS_FOR_BUILD)
3291 AC_SUBST(CXXFLAGS_FOR_BUILD)
3292 AC_SUBST(CXX_FOR_BUILD)
3293 AC_SUBST(DLLTOOL_FOR_BUILD)
3294 AC_SUBST(GFORTRAN_FOR_BUILD)
3295 AC_SUBST(GOC_FOR_BUILD)
3296 AC_SUBST(GDC_FOR_BUILD)
3297 AC_SUBST(LDFLAGS_FOR_BUILD)
3298 AC_SUBST(LD_FOR_BUILD)
3299 AC_SUBST(NM_FOR_BUILD)
3300 AC_SUBST(RANLIB_FOR_BUILD)
3301 AC_SUBST(WINDMC_FOR_BUILD)
3302 AC_SUBST(WINDRES_FOR_BUILD)
3304 # Generate default definitions for YACC, M4, LEX and other programs that run
3305 # on the build machine. These are used if the Makefile can't locate these
3306 # programs in objdir.
3307 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3309 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3310 case " $build_configdirs " in
3311 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3314 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3315 case " $build_configdirs " in
3316 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3319 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3320 case " $build_configdirs " in
3321 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3324 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3325 case " $build_configdirs " in
3326 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3327 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3330 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3331 case " $build_configdirs " in
3332 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3335 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3336 case " $build_configdirs " in
3337 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3340 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3341 # higher, else we use the "missing" dummy.
3342 if ${MAKEINFO} --version \
3343 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3346 MAKEINFO="$MISSING makeinfo"
3352 # FIXME: expect and dejagnu may become build tools?
3354 AC_CHECK_PROGS(EXPECT, expect, expect)
3355 case " $configdirs " in
3357 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3361 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3362 case " $configdirs " in
3364 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3370 NCN_STRICT_CHECK_TOOLS(AR, ar)
3371 NCN_STRICT_CHECK_TOOLS(AS, as)
3372 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3373 NCN_STRICT_CHECK_TOOLS(LD, ld)
3374 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3375 NCN_STRICT_CHECK_TOOLS(NM, nm)
3376 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3377 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3378 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3379 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3380 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3381 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3382 NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
3383 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3390 AC_ARG_WITH([build-time-tools],
3391 [AS_HELP_STRING([--with-build-time-tools=PATH],
3392 [use given path to find target tools during the build])],
3393 [case x"$withval" in
3396 with_build_time_tools=
3397 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3400 [with_build_time_tools=])
3402 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3403 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3404 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3405 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3406 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3407 NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
3409 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3410 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3411 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3412 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3413 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3414 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3415 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3416 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3417 ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
3418 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3419 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3420 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3421 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3422 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3424 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3426 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3427 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3428 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3429 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3430 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3431 [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],
3433 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3434 [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],
3436 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3437 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3438 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3439 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3440 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3441 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3442 GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3443 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
3444 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3445 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3446 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3447 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3448 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3449 GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
3450 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3451 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3452 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3453 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3454 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3456 AC_SUBST(FLAGS_FOR_TARGET)
3457 AC_SUBST(RAW_CXX_FOR_TARGET)
3459 # Certain tools may need extra flags.
3460 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3461 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3462 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3464 # When building target libraries, except in a Canadian cross, we use
3465 # the same toolchain as the compiler we just built.
3466 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3467 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3468 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3469 if test $host = $build; then
3470 case " $configdirs " in
3472 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3473 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3474 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3479 AC_SUBST(COMPILER_AS_FOR_TARGET)
3480 AC_SUBST(COMPILER_LD_FOR_TARGET)
3481 AC_SUBST(COMPILER_NM_FOR_TARGET)
3483 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3484 AC_ARG_ENABLE(maintainer-mode,
3485 [AS_HELP_STRING([--enable-maintainer-mode],
3486 [enable make rules and dependencies not useful
3487 (and sometimes confusing) to the casual installer])],
3488 USE_MAINTAINER_MODE=$enableval,
3489 USE_MAINTAINER_MODE=no)
3490 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3491 AC_SUBST(MAINTAINER_MODE_TRUE)
3492 AC_SUBST(MAINTAINER_MODE_FALSE)
3493 if test "$USE_MAINTAINER_MODE" = yes; then
3494 MAINTAINER_MODE_TRUE=
3495 MAINTAINER_MODE_FALSE='#'
3497 MAINTAINER_MODE_TRUE='#'
3498 MAINTAINER_MODE_FALSE=
3500 MAINT=$MAINTAINER_MODE_TRUE
3503 # ---------------------
3504 # GCC bootstrap support
3505 # ---------------------
3507 # Stage specific cflags for build.
3512 yes) stage1_cflags="-g -Wa,-J" ;;
3513 *) stage1_cflags="-g -J" ;;
3517 AC_SUBST(stage1_cflags)
3519 # Enable --enable-checking in stage1 of the compiler.
3520 AC_ARG_ENABLE(stage1-checking,
3521 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3522 [choose additional checking for stage1 of the compiler])],
3523 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3524 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3525 # For --disable-checking or implicit --enable-checking=release, avoid
3526 # setting --enable-checking=gc in the default stage1 checking for LTO
3527 # bootstraps. See PR62077.
3528 case $BUILD_CONFIG in
3530 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3532 stage1_checking=--enable-checking=yes,types;;
3534 if test "x$enable_checking" = x && \
3535 test -d ${srcdir}/gcc && \
3536 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3537 stage1_checking=--enable-checking=yes,types,extra
3540 stage1_checking=--enable-checking=$enable_checking,types
3542 AC_SUBST(stage1_checking)
3544 # Enable -Werror in bootstrap stage2 and later.
3545 AC_ARG_ENABLE(werror,
3546 [AS_HELP_STRING([--enable-werror],
3547 [enable -Werror in bootstrap stage2 and later])],
3549 case ${enable_werror} in
3550 yes) stage2_werror_flag="--enable-werror-always" ;;
3551 *) stage2_werror_flag="" ;;
3555 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3556 case $BUILD_CONFIG in
3558 stage2_werror_flag="--enable-werror-always" ;;
3560 stage2_werror_flag="--enable-werror-always" ;;
3565 AC_SUBST(stage2_werror_flag)
3567 # Specify what files to not compare during bootstrap.
3569 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3571 hppa*64*-*-hpux*) ;;
3572 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3573 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3575 AC_SUBST(compare_exclusions)
3577 AC_CONFIG_FILES([Makefile],
3578 [sed "$extrasub_build" Makefile |
3579 sed "$extrasub_host" |
3580 sed "$extrasub_target" > mf$$
3581 mv -f mf$$ Makefile],
3582 [extrasub_build="$extrasub_build"
3583 extrasub_host="$extrasub_host"
3584 extrasub_target="$extrasub_target"])