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, 2019, 2020 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 gdbserver 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 \
167 # these tools are built using the target libraries, and are intended to
168 # run only in the target environment
170 # note: any program that *uses* libraries that are in the "target_libraries"
171 # list belongs in this list.
173 target_tools="target-rda"
175 ################################################################################
177 ## All tools belong in one of the four categories, and are assigned above
178 ## We assign ${configdirs} this way to remove all embedded newlines. This
179 ## is important because configure will choke if they ever get through.
180 ## ${configdirs} is directories we build using the host tools.
181 ## ${target_configdirs} is directories we build using the target tools.
182 configdirs=`echo ${host_libs} ${host_tools}`
183 target_configdirs=`echo ${target_libraries} ${target_tools}`
184 build_configdirs=`echo ${build_libs} ${build_tools}`
186 m4_divert_text([PARSE_ARGS],
189 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
190 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
191 m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
197 ################################################################################
199 srcname="gnu development package"
201 # This gets set non-empty for some net releases of packages.
204 # Define is_cross_compiler to save on calls to 'test'.
206 if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=yes
212 # Find the build and target subdir names.
214 # Be sure to cover against remnants of an in-tree build.
215 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
217 Use a pristine source tree when building in a separate tree])
220 # Skipdirs are removed silently.
222 # Noconfigdirs are removed loudly.
226 # Make sure we don't let GNU ld be added if we didn't want it.
227 if test x$with_gnu_ld = xno ; then
229 noconfigdirs="$noconfigdirs ld gold"
233 # Make sure we don't let GNU as be added if we didn't want it.
234 if test x$with_gnu_as = xno ; then
236 noconfigdirs="$noconfigdirs gas"
240 AC_ARG_WITH(system-zlib,
241 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # Don't compile the bundled readline/libreadline.a if --with-system-readline
250 if test x$with_system_readline = xyes ; then
251 noconfigdirs="$noconfigdirs readline"
254 # some tools are so dependent upon X11 that if we're not building with X,
255 # it's not even worth trying to configure, much less build, that tool.
258 yes | "") ;; # the default value for this tree is that X11 is available
260 skipdirs="${skipdirs} tk itcl libgui"
261 # We won't be able to build gdbtk without X.
264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267 # Some are only suitable for cross toolchains.
268 # Remove these if host=target.
269 cross_only="target-libgloss target-newlib target-opcodes"
271 case $is_cross_compiler in
272 no) skipdirs="${skipdirs} ${cross_only}" ;;
275 # If both --with-headers and --with-libs are specified, default to
277 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
279 if test x"${with_newlib}" = x ; then
284 # Recognize --with-newlib/--without-newlib.
285 case ${with_newlib} in
286 no) skipdirs="${skipdirs} target-newlib" ;;
287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290 AC_ARG_ENABLE(as-accelerator-for,
291 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
292 [build as offload target compiler.
293 Specify offload host triple by ARG])])
295 AC_ARG_ENABLE(offload-targets,
296 [AS_HELP_STRING([--enable-offload-targets=LIST],
297 [enable offloading to devices from comma-separated LIST of
298 TARGET[=DIR]. Use optional path to find offload target compiler
301 if test x"$enable_offload_targets" = x; then
302 AC_MSG_ERROR([no offload targets specified])
304 ], [enable_offload_targets=])
306 # Handle --enable-gold, --enable-ld.
307 # --disable-gold [--enable-ld]
308 # Build only ld. Default option.
309 # --enable-gold [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold", install ld
311 # as "ld.bfd" and "ld".
312 # --enable-gold=default [--enable-ld]
313 # Build both gold and ld. Install gold as "ld.gold" and "ld",
314 # install ld as "ld.bfd".
315 # --enable-gold[=default] --disable-ld
316 # Build only gold, which is then installed as both "ld.gold" and "ld".
317 # --enable-gold --enable-ld=default
318 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
320 # In other words, ld is default
321 # --enable-gold=default --enable-ld=default
326 [AS_HELP_STRING([[--enable-gold[=ARG]]],
327 [build gold @<:@ARG={default,yes,no}@:>@])],
328 ENABLE_GOLD=$enableval,
330 case "${ENABLE_GOLD}" in
332 # Check for ELF target.
335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
338 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
340 *-*-linux*aout* | *-*-linux*oldld*)
348 if test "$is_elf" = "yes"; then
349 # Check for target supported by gold.
351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
352 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
353 configdirs="$configdirs gold"
354 if test x${ENABLE_GOLD} = xdefault; then
365 AC_MSG_ERROR([invalid --enable-gold argument])
370 [AS_HELP_STRING([[--enable-ld[=ARG]]],
371 [build ld @<:@ARG={default,yes,no}@:>@])],
372 ENABLE_LD=$enableval,
375 case "${ENABLE_LD}" in
377 if test x${default_ld} != x; then
378 AC_MSG_ERROR([either gold or ld can be the default ld])
384 if test x${ENABLE_GOLD} != xyes; then
385 AC_MSG_WARN([neither ld nor gold are enabled])
387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
390 AC_MSG_ERROR([invalid --enable-ld argument])
395 # Decide the default method for compressing debug sections.
396 # Provide a configure time option to override our default.
397 AC_ARG_ENABLE(compressed_debug_sections,
398 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
399 [Enable compressed debug sections for gas, gold or ld by
402 if test x"$enable_compressed_debug_sections" = xyes; then
403 AC_MSG_ERROR([no program with compressed debug sections specified])
405 ], [enable_compressed_debug_sections=])
407 # Configure extra directories which are host specific
411 configdirs="$configdirs libtermcap" ;;
414 # A target can indicate whether a language isn't supported for some reason.
415 # Only spaces may be used in this macro; not newlines or tabs.
416 unsupported_languages=
418 # Remove more programs from consideration, based on the host or
419 # target this usually means that a port of the program doesn't
423 i[[3456789]]86-*-msdosdjgpp*)
424 noconfigdirs="$noconfigdirs tcl tk itcl"
429 AC_ARG_ENABLE(libquadmath,
430 AS_HELP_STRING([--disable-libquadmath],
431 [do not build libquadmath directory]),
432 ENABLE_LIBQUADMATH=$enableval,
433 ENABLE_LIBQUADMATH=yes)
434 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
435 noconfigdirs="$noconfigdirs target-libquadmath"
439 AC_ARG_ENABLE(libquadmath-support,
440 AS_HELP_STRING([--disable-libquadmath-support],
441 [disable libquadmath support for Fortran]),
442 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
443 ENABLE_LIBQUADMATH_SUPPORT=yes)
444 enable_libquadmath_support=
445 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
446 enable_libquadmath_support=no
450 AC_ARG_ENABLE(libada,
451 [AS_HELP_STRING([--enable-libada], [build libada directory])],
452 ENABLE_LIBADA=$enableval,
454 if test "${ENABLE_LIBADA}" != "yes" ; then
455 noconfigdirs="$noconfigdirs gnattools"
458 AC_ARG_ENABLE(libssp,
459 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
460 ENABLE_LIBSSP=$enableval,
463 AC_ARG_ENABLE(libstdcxx,
464 AS_HELP_STRING([--disable-libstdcxx],
465 [do not build libstdc++-v3 directory]),
466 ENABLE_LIBSTDCXX=$enableval,
467 ENABLE_LIBSTDCXX=default)
468 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
469 noconfigdirs="$noconfigdirs target-libstdc++-v3"
472 # If this is accelerator compiler and its target is intelmic we enable
473 # target liboffloadmic by default. If this is compiler with offloading
474 # for intelmic we enable host liboffloadmic by default. Otherwise
475 # liboffloadmic is disabled by default.
476 AC_ARG_ENABLE([liboffloadmic],
477 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
478 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
479 [case "$enableval" in
481 enable_liboffloadmic=$enableval ;;
483 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
485 [if test x"$enable_as_accelerator_for" != x; then
487 *-intelmic-* | *-intelmicemul-*)
488 enable_liboffloadmic=target
489 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
492 enable_liboffloadmic=no
496 case "${enable_offload_targets}" in
497 *-intelmic-* | *-intelmicemul-*)
498 enable_liboffloadmic=host
499 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
502 enable_liboffloadmic=no
506 AC_SUBST(extra_liboffloadmic_configure_flags)
508 # Enable libgomp by default on hosted POSIX systems, and a few others.
509 if test x$enable_libgomp = x ; then
511 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
513 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
515 *-*-solaris2* | *-*-hpux11*)
517 *-*-darwin* | *-*-aix*)
522 noconfigdirs="$noconfigdirs target-libgomp"
527 # Disable libatomic on unsupported systems.
528 if test -d ${srcdir}/libatomic; then
529 if test x$enable_libatomic = x; then
530 AC_MSG_CHECKING([for libatomic support])
531 if (srcdir=${srcdir}/libatomic; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
536 noconfigdirs="$noconfigdirs target-libatomic"
543 # Disable liboffloadmic on unsupported systems.
544 if test -d ${srcdir}/liboffloadmic; then
545 if test x$enable_liboffloadmic != xno; then
546 AC_MSG_CHECKING([for liboffloadmic support])
547 if (srcdir=${srcdir}/liboffloadmic; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
552 noconfigdirs="$noconfigdirs target-liboffloadmic"
559 # Disable libitm on unsupported systems.
560 if test -d ${srcdir}/libitm; then
561 if test x$enable_libitm = x; then
562 AC_MSG_CHECKING([for libitm support])
563 if (srcdir=${srcdir}/libitm; \
564 . ${srcdir}/configure.tgt; \
565 test -n "$UNSUPPORTED")
568 noconfigdirs="$noconfigdirs target-libitm"
575 # Disable libsanitizer on unsupported systems.
576 if test -d ${srcdir}/libsanitizer; then
577 if test x$enable_libsanitizer = x; then
578 AC_MSG_CHECKING([for libsanitizer support])
579 if (srcdir=${srcdir}/libsanitizer; \
580 . ${srcdir}/configure.tgt; \
581 test -n "$UNSUPPORTED")
584 noconfigdirs="$noconfigdirs target-libsanitizer"
591 # Disable libvtv on unsupported systems.
592 if test -d ${srcdir}/libvtv; then
593 if test x$enable_libvtv = x; then
594 AC_MSG_CHECKING([for libvtv support])
595 if (srcdir=${srcdir}/libvtv; \
596 . ${srcdir}/configure.tgt; \
597 test "$VTV_SUPPORTED" != "yes")
600 noconfigdirs="$noconfigdirs target-libvtv"
608 # Disable libhsail-rt on unsupported systems.
609 if test -d ${srcdir}/libhsail-rt; then
610 if test x$enable_libhsail_rt = x; then
611 AC_MSG_CHECKING([for libhsail-rt support])
612 if (srcdir=${srcdir}/libhsail-rt; \
613 . ${srcdir}/configure.tgt; \
614 test -n "$UNSUPPORTED")
617 unsupported_languages="$unsupported_languages brig"
618 # This implicitly disables also target-libhsail-rt as it won't
619 # get added to the build without BRIG FE.
627 # Disable libquadmath for some systems.
630 noconfigdirs="$noconfigdirs target-libquadmath"
632 # libquadmath is unused on AIX and libquadmath build process use of
633 # LD_LIBRARY_PATH can break AIX bootstrap.
634 powerpc-*-aix* | rs6000-*-aix*)
635 noconfigdirs="$noconfigdirs target-libquadmath"
639 # Disable libssp for some systems.
642 # No hosted I/O support.
643 noconfigdirs="$noconfigdirs target-libssp"
645 powerpc-*-aix* | rs6000-*-aix*)
646 noconfigdirs="$noconfigdirs target-libssp"
649 # libssp uses a misaligned load to trigger a fault, but the RL78
650 # doesn't fault for those - instead, it gives a build-time error
651 # for explicit misaligned loads.
652 noconfigdirs="$noconfigdirs target-libssp"
655 # No hosted I/O support.
656 noconfigdirs="$noconfigdirs target-libssp"
660 # Disable libstdc++-v3 for some systems.
661 # Allow user to override this if they pass --enable-libstdc++-v3
662 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
665 # VxWorks uses the Dinkumware C++ library.
666 noconfigdirs="$noconfigdirs target-libstdc++-v3"
669 # the C++ libraries don't build on top of CE's C libraries
670 noconfigdirs="$noconfigdirs target-libstdc++-v3"
673 noconfigdirs="$noconfigdirs target-libstdc++-v3"
676 noconfigdirs="$noconfigdirs target-libstdc++-v3"
681 # Disable Fortran for some systems.
684 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
685 unsupported_languages="$unsupported_languages fortran"
689 # Disable libffi for some systems.
693 i[[3456789]]86-*-darwin*)
695 x86_64-*-darwin[[912]]*)
698 noconfigdirs="$noconfigdirs target-libffi"
701 noconfigdirs="$noconfigdirs target-libffi"
704 noconfigdirs="$noconfigdirs target-libffi"
707 noconfigdirs="$noconfigdirs target-libffi"
710 noconfigdirs="$noconfigdirs target-libffi"
713 noconfigdirs="$noconfigdirs target-libffi"
716 noconfigdirs="$noconfigdirs target-libffi"
719 noconfigdirs="$noconfigdirs target-libffi"
722 noconfigdirs="$noconfigdirs target-libffi"
725 noconfigdirs="$noconfigdirs target-libffi"
728 noconfigdirs="$noconfigdirs target-libffi"
731 noconfigdirs="$noconfigdirs target-libffi"
733 cris-*-* | crisv32-*-*)
737 *) # See PR46792 regarding target-libffi.
738 noconfigdirs="$noconfigdirs target-libffi";;
742 noconfigdirs="$noconfigdirs target-libffi"
747 noconfigdirs="$noconfigdirs target-libffi"
750 noconfigdirs="$noconfigdirs target-libffi"
752 i[[3456789]]86-w64-mingw*)
753 noconfigdirs="$noconfigdirs target-libffi"
755 i[[3456789]]86-*-mingw*)
756 noconfigdirs="$noconfigdirs target-libffi"
759 noconfigdirs="$noconfigdirs target-libffi"
762 noconfigdirs="$noconfigdirs target-libffi"
769 noconfigdirs="$noconfigdirs target-libffi"
772 noconfigdirs="$noconfigdirs target-libffi"
776 # Disable the go frontend on systems where it is known to not work. Please keep
777 # this in sync with contrib/config-list.mk.
779 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
780 unsupported_languages="$unsupported_languages go"
784 # Only allow gdbserver on some systems.
785 if test -d ${srcdir}/gdbserver; then
786 if test x$enable_gdbserver = x; then
787 AC_MSG_CHECKING([for gdbserver support])
788 if (srcdir=${srcdir}/gdbserver; \
789 . ${srcdir}/configure.srv; \
790 test -n "$UNSUPPORTED")
793 noconfigdirs="$noconfigdirs gdbserver"
800 # Disable libgo for some systems where it is known to not work.
801 # For testing, you can easily override this with --enable-libgo.
802 if test x$enable_libgo = x; then
806 noconfigdirs="$noconfigdirs target-libgo"
808 *-*-cygwin* | *-*-mingw*)
809 noconfigdirs="$noconfigdirs target-libgo"
814 # Default libgloss CPU subdirectory.
815 libgloss_dir="$target_cpu"
818 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
827 cris-*-* | crisv32-*-*)
836 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
853 # Disable newlib and libgloss for various target OSes.
856 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 i[[3456789]]86-*-linux*)
859 # This section makes it possible to build newlib natively on linux.
860 # If we are using a cross compiler then don't configure newlib.
861 if test x${is_cross_compiler} != xno ; then
862 noconfigdirs="$noconfigdirs target-newlib"
864 noconfigdirs="$noconfigdirs target-libgloss"
865 # If we are not using a cross compiler, do configure newlib.
866 # Note however, that newlib will only be configured in this situation
867 # if the --with-newlib option has been given, because otherwise
868 # 'target-newlib' will appear in skipdirs.
870 i[[3456789]]86-*-rdos*)
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 sh*-*-pe|mips*-*-pe|arm-wince-pe)
874 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
880 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
895 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
901 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
904 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
910 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
916 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
924 noconfigdirs="$noconfigdirs ld gas gdb gprof"
925 noconfigdirs="$noconfigdirs sim target-rda"
928 noconfigdirs="$noconfigdirs ld gas gdb gprof"
929 noconfigdirs="$noconfigdirs sim target-rda"
932 noconfigdirs="$noconfigdirs ld gas gdb gprof"
933 noconfigdirs="$noconfigdirs sim target-rda"
935 i[[3456789]]86-*-darwin*)
936 noconfigdirs="$noconfigdirs ld gprof"
937 noconfigdirs="$noconfigdirs sim target-rda"
939 x86_64-*-darwin[[912]]*)
940 noconfigdirs="$noconfigdirs ld gas gprof"
941 noconfigdirs="$noconfigdirs sim target-rda"
944 noconfigdirs="$noconfigdirs ld gas gdb gprof"
945 noconfigdirs="$noconfigdirs sim target-rda"
950 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
951 && test -f /usr/local/include/gmp.h; then
956 # Remove unsupported stuff on all kaOS configurations.
957 noconfigdirs="$noconfigdirs target-libgloss"
964 noconfigdirs="$noconfigdirs target-libgloss"
967 noconfigdirs="$noconfigdirs target-libgloss"
969 # The tpf target doesn't support gdb yet.
971 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
974 noconfigdirs="$noconfigdirs target-rda"
979 # ld works, but does not support shared libraries.
980 # gas doesn't generate exception information.
981 noconfigdirs="$noconfigdirs gas ld"
984 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
987 # newlib is not 64 bit ready
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
990 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
991 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
994 noconfigdirs="$noconfigdirs sim"
997 noconfigdirs="$noconfigdirs target-libgloss"
1000 noconfigdirs="$noconfigdirs ld target-libgloss"
1003 if test x${with_avrlibc} != xno; then
1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1007 c4x-*-* | tic4x-*-*)
1008 noconfigdirs="$noconfigdirs target-libgloss"
1011 noconfigdirs="$noconfigdirs target-libgloss gdb"
1014 noconfigdirs="$noconfigdirs target-libgloss"
1017 noconfigdirs="$noconfigdirs gdb"
1020 noconfigdirs="$noconfigdirs gdb"
1023 noconfigdirs="$noconfigdirs target-rda gprof"
1026 noconfigdirs="$noconfigdirs"
1029 noconfigdirs="$noconfigdirs target-libgloss"
1032 noconfigdirs="$noconfigdirs target-libgloss"
1034 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1037 noconfigdirs="$noconfigdirs gdb"
1040 noconfigdirs="$noconfigdirs gdb ld"
1048 hppa*-*-openbsd* | \
1054 noconfigdirs="$noconfigdirs ld"
1057 noconfigdirs="$noconfigdirs gdb"
1060 # No gdb support yet.
1061 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1064 # No ld support yet.
1065 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1068 # No ld support yet.
1069 noconfigdirs="$noconfigdirs libgui itcl ld"
1071 i[[3456789]]86-w64-mingw*)
1073 i[[3456789]]86-*-mingw*)
1074 target_configdirs="$target_configdirs target-winsup"
1077 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1078 noconfigdirs="$noconfigdirs target-libgloss"
1079 # always build newlib if winsup directory is present.
1080 if test -d "$srcdir/winsup/cygwin"; then
1081 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1082 elif test -d "$srcdir/newlib"; then
1083 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1086 i[[3456789]]86-*-pe)
1087 noconfigdirs="$noconfigdirs target-libgloss"
1089 i[[3456789]]86-*-sco3.2v5*)
1090 # The linker does not yet know about weak symbols in COFF,
1091 # and is not configured to handle mixed ELF and COFF.
1092 noconfigdirs="$noconfigdirs ld target-libgloss"
1094 i[[3456789]]86-*-sco*)
1095 noconfigdirs="$noconfigdirs gprof target-libgloss"
1097 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1098 noconfigdirs="$noconfigdirs target-libgloss"
1100 i[[3456789]]86-*-sysv4*)
1101 noconfigdirs="$noconfigdirs target-libgloss"
1103 i[[3456789]]86-*-beos*)
1104 noconfigdirs="$noconfigdirs gdb"
1106 i[[3456789]]86-*-rdos*)
1107 noconfigdirs="$noconfigdirs gdb"
1110 noconfigdirs="$noconfigdirs gdb"
1113 noconfigdirs="$noconfigdirs sim"
1116 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1117 noconfigdirs="$noconfigdirs $target_libraries"
1120 noconfigdirs="$noconfigdirs gdb gprof"
1123 # copied from rs6000-*-* entry
1124 noconfigdirs="$noconfigdirs gprof"
1126 powerpc*-*-winnt* | powerpc*-*-pe*)
1127 target_configdirs="$target_configdirs target-winsup"
1128 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1129 # always build newlib.
1130 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1132 # This is temporary until we can link against shared libraries
1133 powerpcle-*-solaris*)
1134 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1137 noconfigdirs="$noconfigdirs gdb"
1140 noconfigdirs="$noconfigdirs gprof"
1143 noconfigdirs="$noconfigdirs gprof"
1146 noconfigdirs="$noconfigdirs gprof"
1149 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1152 noconfigdirs="$noconfigdirs gprof"
1154 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1155 if test x$with_newlib = xyes; then
1156 noconfigdirs="$noconfigdirs gprof"
1160 noconfigdirs="$noconfigdirs gprof target-libgloss"
1163 noconfigdirs="$noconfigdirs gprof target-libgloss"
1166 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1170 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1171 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1172 noconfigdirs="$noconfigdirs ld gas gprof"
1175 noconfigdirs="$noconfigdirs gprof"
1178 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1185 noconfigdirs="$noconfigdirs target-libgloss" ;;
1189 if test x${is_cross_compiler} = xno ; then
1194 noconfigdirs="$noconfigdirs sim"
1196 tilepro*-*-* | tilegx*-*-*)
1197 noconfigdirs="$noconfigdirs sim"
1200 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1203 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1206 noconfigdirs="$noconfigdirs ld"
1210 # If we aren't building newlib, then don't build libgloss, since libgloss
1211 # depends upon some newlib header files.
1212 case "${noconfigdirs}" in
1213 *target-libgloss*) ;;
1214 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1217 # Work in distributions that contain no compiler tools, like Autoconf.
1218 host_makefile_frag=/dev/null
1219 if test -d ${srcdir}/config ; then
1221 i[[3456789]]86-*-msdosdjgpp*)
1222 host_makefile_frag="config/mh-djgpp"
1225 ACX_CHECK_CYGWIN_CAT_WORKS
1226 host_makefile_frag="config/mh-cygwin"
1229 host_makefile_frag="config/mh-mingw"
1232 host_makefile_frag="config/mh-alpha-linux"
1235 host_makefile_frag="config/mh-pa-hpux10"
1238 host_makefile_frag="config/mh-pa"
1241 host_makefile_frag="config/mh-pa"
1244 host_makefile_frag="config/mh-darwin"
1247 host_makefile_frag="config/mh-ppc-aix"
1250 host_makefile_frag="config/mh-ppc-aix"
1255 if test "${build}" != "${host}" ; then
1256 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1257 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1258 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1259 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1260 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1261 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1262 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1263 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1264 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1265 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1266 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1267 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1269 AR_FOR_BUILD="\$(AR)"
1270 AS_FOR_BUILD="\$(AS)"
1271 CC_FOR_BUILD="\$(CC)"
1272 CXX_FOR_BUILD="\$(CXX)"
1273 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1274 GOC_FOR_BUILD="\$(GOC)"
1275 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1276 LD_FOR_BUILD="\$(LD)"
1277 NM_FOR_BUILD="\$(NM)"
1278 RANLIB_FOR_BUILD="\$(RANLIB)"
1279 WINDRES_FOR_BUILD="\$(WINDRES)"
1280 WINDMC_FOR_BUILD="\$(WINDMC)"
1286 # We must set the default linker to the linker used by gcc for the correct
1287 # operation of libtool. If LD is not defined and we are using gcc, try to
1288 # set the LD default to the ld used by gcc.
1289 if test -z "$LD"; then
1290 if test "$GCC" = yes; then
1293 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1295 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1297 case $gcc_prog_ld in
1298 # Accept absolute paths.
1299 [[\\/]* | [A-Za-z]:[\\/]*)]
1300 LD="$gcc_prog_ld" ;;
1305 # Check whether -static-libstdc++ -static-libgcc is supported.
1307 if test "$GCC" = yes; then
1308 saved_LDFLAGS="$LDFLAGS"
1310 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1311 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1313 AC_LINK_IFELSE([AC_LANG_SOURCE([
1314 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1315 #error -static-libstdc++ not implemented
1318 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1319 [AC_MSG_RESULT([no])])
1322 LDFLAGS="$saved_LDFLAGS"
1326 ACX_PROG_CMP_IGNORE_INITIAL
1328 AC_ARG_ENABLE([bootstrap],
1329 [AS_HELP_STRING([--enable-bootstrap],
1330 [enable bootstrapping @<:@yes if native build@:>@])],,
1331 enable_bootstrap=default)
1333 # Issue errors and warnings for invalid/strange bootstrap combinations.
1334 if test -r $srcdir/gcc/configure; then
1340 case "$have_compiler:$host:$target:$enable_bootstrap" in
1343 # Default behavior. Enable bootstrap if we have a compiler
1344 # and we are in a native configuration.
1345 yes:$build:$build:default)
1346 enable_bootstrap=yes ;;
1349 enable_bootstrap=no ;;
1351 # We have a compiler and we are in a native configuration, bootstrap is ok
1352 yes:$build:$build:yes)
1355 # Other configurations, but we have a compiler. Assume the user knows
1358 AC_MSG_WARN([trying to bootstrap a cross compiler])
1361 # No compiler: if they passed --enable-bootstrap explicitly, fail
1363 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1365 # Fail if wrong command line
1367 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1371 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1372 # C++98 compiler can still start the bootstrap.
1373 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1374 CXX="$CXX -std=gnu++98"
1377 # Used for setting $lt_cv_objdir
1380 # Check for GMP, MPFR and MPC
1381 gmplibs="-lmpc -lmpfr -lgmp"
1385 # Specify a location for mpc
1386 # check for this first so it ends up on the link line before mpfr.
1388 [AS_HELP_STRING([--with-mpc=PATH],
1389 [specify prefix directory for installed MPC package.
1390 Equivalent to --with-mpc-include=PATH/include
1391 plus --with-mpc-lib=PATH/lib])])
1392 AC_ARG_WITH(mpc-include,
1393 [AS_HELP_STRING([--with-mpc-include=PATH],
1394 [specify directory for installed MPC include files])])
1395 AC_ARG_WITH(mpc-lib,
1396 [AS_HELP_STRING([--with-mpc-lib=PATH],
1397 [specify directory for the installed MPC library])])
1399 if test "x$with_mpc" != x; then
1400 gmplibs="-L$with_mpc/lib $gmplibs"
1401 gmpinc="-I$with_mpc/include $gmpinc"
1403 if test "x$with_mpc_include" != x; then
1404 gmpinc="-I$with_mpc_include $gmpinc"
1406 if test "x$with_mpc_lib" != x; then
1407 gmplibs="-L$with_mpc_lib $gmplibs"
1409 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1410 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1411 gmpinc='-I$$s/mpc/src '"$gmpinc"
1412 # Do not test the mpc version. Assume that it is sufficient, since
1413 # it is in the source tree, and the library has not been built yet
1414 # but it would be included on the link line in the version check below
1415 # hence making the test fail.
1419 # Specify a location for mpfr
1420 # check for this first so it ends up on the link line before gmp.
1421 AC_ARG_WITH(mpfr-dir,
1422 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1423 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1424 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1427 [AS_HELP_STRING([--with-mpfr=PATH],
1428 [specify prefix directory for installed MPFR package.
1429 Equivalent to --with-mpfr-include=PATH/include
1430 plus --with-mpfr-lib=PATH/lib])])
1431 AC_ARG_WITH(mpfr-include,
1432 [AS_HELP_STRING([--with-mpfr-include=PATH],
1433 [specify directory for installed MPFR include files])])
1434 AC_ARG_WITH(mpfr-lib,
1435 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1436 [specify directory for the installed MPFR library])])
1438 if test "x$with_mpfr" != x; then
1439 gmplibs="-L$with_mpfr/lib $gmplibs"
1440 gmpinc="-I$with_mpfr/include $gmpinc"
1442 if test "x$with_mpfr_include" != x; then
1443 gmpinc="-I$with_mpfr_include $gmpinc"
1445 if test "x$with_mpfr_lib" != x; then
1446 gmplibs="-L$with_mpfr_lib $gmplibs"
1448 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1449 # MPFR v3.1.0 moved the sources into a src sub-directory.
1450 if ! test -d ${srcdir}/mpfr/src; then
1452 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1454 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1455 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1456 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1457 # Do not test the mpfr version. Assume that it is sufficient, since
1458 # it is in the source tree, and the library has not been built yet
1459 # but it would be included on the link line in the version check below
1460 # hence making the test fail.
1464 # Specify a location for gmp
1465 AC_ARG_WITH(gmp-dir,
1466 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1467 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1468 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1471 [AS_HELP_STRING([--with-gmp=PATH],
1472 [specify prefix directory for the installed GMP package.
1473 Equivalent to --with-gmp-include=PATH/include
1474 plus --with-gmp-lib=PATH/lib])])
1475 AC_ARG_WITH(gmp-include,
1476 [AS_HELP_STRING([--with-gmp-include=PATH],
1477 [specify directory for installed GMP include files])])
1478 AC_ARG_WITH(gmp-lib,
1479 [AS_HELP_STRING([--with-gmp-lib=PATH],
1480 [specify directory for the installed GMP library])])
1483 if test "x$with_gmp" != x; then
1484 gmplibs="-L$with_gmp/lib $gmplibs"
1485 gmpinc="-I$with_gmp/include $gmpinc"
1487 if test "x$with_gmp_include" != x; then
1488 gmpinc="-I$with_gmp_include $gmpinc"
1490 if test "x$with_gmp_lib" != x; then
1491 gmplibs="-L$with_gmp_lib $gmplibs"
1493 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1494 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1495 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1496 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1497 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1498 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1499 # Do not test the gmp version. Assume that it is sufficient, since
1500 # it is in the source tree, and the library has not been built yet
1501 # but it would be included on the link line in the version check below
1502 # hence making the test fail.
1506 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1508 saved_CFLAGS="$CFLAGS"
1509 CFLAGS="$CFLAGS $gmpinc"
1510 # Check for the recommended and required versions of GMP.
1511 AC_MSG_CHECKING([for the correct version of gmp.h])
1512 AC_TRY_COMPILE([#include "gmp.h"],[
1513 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1514 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1515 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1518 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1519 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1520 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1521 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1524 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1525 [AC_MSG_RESULT([no]); have_gmp=no])
1527 # If we have GMP, check the MPFR version.
1528 if test x"$have_gmp" = xyes; then
1529 # Check for the recommended and required versions of MPFR.
1530 AC_MSG_CHECKING([for the correct version of mpfr.h])
1531 AC_TRY_COMPILE([#include <gmp.h>
1532 #include <mpfr.h>],[
1533 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1536 ], [AC_TRY_COMPILE([#include <gmp.h>
1537 #include <mpfr.h>],[
1538 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1541 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1542 [AC_MSG_RESULT([no]); have_gmp=no])
1545 # Check for the MPC header version.
1546 if test x"$have_gmp" = xyes ; then
1547 # Check for the recommended and required versions of MPC.
1548 AC_MSG_CHECKING([for the correct version of mpc.h])
1549 AC_TRY_COMPILE([#include <mpc.h>],[
1550 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1553 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1554 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1558 [AC_MSG_RESULT([no]); have_gmp=no])
1561 # Now check the MPFR library.
1562 if test x"$have_gmp" = xyes; then
1564 LIBS="$LIBS $gmplibs"
1565 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1566 AC_TRY_LINK([#include <mpc.h>],[
1573 mpfr_atan2 (n, n, x, GMP_RNDN);
1574 mpfr_erfc (n, x, GMP_RNDN);
1575 mpfr_subnormalize (x, t, GMP_RNDN);
1579 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1580 mpc_cosh (c, c, MPC_RNDNN);
1581 mpc_pow (c, c, c, MPC_RNDNN);
1582 mpc_acosh (c, c, MPC_RNDNN);
1584 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1588 CFLAGS="$saved_CFLAGS"
1590 # The library versions listed in the error message below should match
1591 # the HARD-minimums enforced above.
1592 if test x$have_gmp != xyes; then
1593 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1594 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1595 their locations. Source code for these libraries can be found at
1596 their respective hosting sites as well as at
1597 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1598 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1599 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1600 make sure that you have installed both the libraries and the header
1601 files. They may be located in separate packages.])
1605 # Flags needed for both GMP, MPFR and/or MPC.
1608 AC_SUBST(extra_mpfr_configure_flags)
1609 AC_SUBST(extra_mpc_gmp_configure_flags)
1610 AC_SUBST(extra_mpc_mpfr_configure_flags)
1611 AC_SUBST(extra_isl_gmp_configure_flags)
1613 # Libraries to use for stage1 or when not bootstrapping.
1614 AC_ARG_WITH(stage1-libs,
1615 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1616 [if test "$withval" = "no" -o "$withval" = "yes"; then
1619 stage1_libs=$withval
1622 AC_SUBST(stage1_libs)
1624 # Whether or not to use -static-libstdc++ and -static-libgcc. The
1625 # default is yes if gcc is being built; no otherwise. The reason for
1626 # this default is that gdb is sometimes linked against GNU Source
1627 # Highlight, which is a shared library that uses C++ exceptions. In
1628 # this case, -static-libstdc++ will cause crashes.
1629 AC_ARG_WITH(static-standard-libraries,
1630 [AS_HELP_STRING([--with-static-standard-libraries],
1631 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1632 [], [with_static_standard_libraries=auto])
1633 if test "$with_static_standard_libraries" = auto; then
1634 with_static_standard_libraries=$have_compiler
1637 # Linker flags to use for stage1 or when not bootstrapping.
1638 AC_ARG_WITH(stage1-ldflags,
1639 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1640 [if test "$withval" = "no" -o "$withval" = "yes"; then
1643 stage1_ldflags=$withval
1646 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1647 # if supported. But if the user explicitly specified the libraries to use,
1648 # trust that they are doing what they want.
1649 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1650 -a "$have_static_libs" = yes; then
1651 stage1_ldflags="-static-libstdc++ -static-libgcc"
1653 AC_SUBST(stage1_ldflags)
1655 # Libraries to use for stage2 and later builds.
1656 AC_ARG_WITH(boot-libs,
1657 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1658 [if test "$withval" = "no" -o "$withval" = "yes"; then
1661 poststage1_libs=$withval
1664 AC_SUBST(poststage1_libs)
1666 # Linker flags to use for stage2 and later builds.
1667 AC_ARG_WITH(boot-ldflags,
1668 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1669 [linker flags for stage2 and later])],
1670 [if test "$withval" = "no" -o "$withval" = "yes"; then
1673 poststage1_ldflags=$withval
1675 [poststage1_ldflags=
1676 # In stages 2 and 3, default to linking libstdc++ and libgcc
1677 # statically. But if the user explicitly specified the libraries to
1678 # use, trust that they are doing what they want.
1679 if test "$poststage1_libs" = ""; then
1680 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1682 AC_SUBST(poststage1_ldflags)
1684 # GCC GRAPHITE dependency isl.
1685 # Basic setup is inlined here, actual checks are in config/isl.m4
1690 [Specify prefix directory for the installed isl package.
1691 Equivalent to --with-isl-include=PATH/include
1692 plus --with-isl-lib=PATH/lib])])
1694 # Treat --without-isl as a request to disable
1695 # GRAPHITE support and skip all following checks.
1696 if test "x$with_isl" != "xno"; then
1698 dnl Provide configure switches and initialize islinc & isllibs
1699 dnl with user input.
1701 dnl The versions of isl that work for Graphite
1703 dnl Only execute fail-action, if isl has been requested.
1705 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1708 # If the isl check failed, disable builds of in-tree variant of isl
1709 if test "x$with_isl" = xno ||
1710 test "x$gcc_cv_isl" = xno; then
1711 noconfigdirs="$noconfigdirs isl"
1718 # Check for LTO support.
1720 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1721 enable_lto=$enableval,
1722 enable_lto=yes; default_enable_lto=yes)
1724 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1725 build_lto_plugin=yes
1726 ],[if test x"$default_enable_lto" = x"yes" ; then
1728 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1729 # On other non-ELF platforms, LTO has yet to be validated.
1733 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1734 # It would also be nice to check the binutils support, but we don't
1735 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1736 # warn during gcc/ subconfigure; unless you're bootstrapping with
1737 # -flto it won't be needed until after installation anyway.
1739 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1740 *) if test x"$enable_lto" = x"yes"; then
1741 AC_MSG_ERROR([LTO support is not enabled for this target.])
1746 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1747 # Build it unless LTO was explicitly disabled.
1749 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1754 AC_ARG_ENABLE(linker-plugin-configure-flags,
1755 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1756 [additional flags for configuring linker plugins @<:@none@:>@])],
1757 extra_linker_plugin_configure_flags=$enableval,
1758 extra_linker_plugin_configure_flags=)
1759 AC_SUBST(extra_linker_plugin_configure_flags)
1760 AC_ARG_ENABLE(linker-plugin-flags,
1761 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1762 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1763 extra_linker_plugin_flags=$enableval,
1764 extra_linker_plugin_flags=)
1765 AC_SUBST(extra_linker_plugin_flags)
1767 # Enable --enable-host-shared.
1768 # Checked early to determine whether jit is an 'all' language
1769 AC_ARG_ENABLE(host-shared,
1770 [AS_HELP_STRING([--enable-host-shared],
1771 [build host code as shared libraries])],
1772 [host_shared=$enableval], [host_shared=no])
1773 AC_SUBST(host_shared)
1775 # By default, C and C++ are the only stage 1 languages.
1776 stage1_languages=,c,
1778 # Target libraries that we bootstrap.
1779 bootstrap_target_libs=,target-libgcc,
1781 # Figure out what language subdirectories are present.
1782 # Look if the user specified --enable-languages="..."; if not, use
1783 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1785 # NB: embedded tabs in this IF block -- do not untabify
1786 if test -d ${srcdir}/gcc; then
1787 if test x"${enable_languages+set}" != xset; then
1788 if test x"${LANGUAGES+set}" = xset; then
1789 enable_languages="${LANGUAGES}"
1790 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1792 enable_languages=default
1795 if test x"${enable_languages}" = x ||
1796 test x"${enable_languages}" = xyes;
1798 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1802 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1804 # 'f95' is the old name for the 'fortran' language. We issue a warning
1805 # and make the substitution.
1806 case ,${enable_languages}, in
1808 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1809 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1813 # If bootstrapping, C++ must be enabled.
1814 case ",$enable_languages,:$enable_bootstrap" in
1817 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1818 enable_languages="${enable_languages},c++"
1820 AC_MSG_ERROR([bootstrapping requires c++ sources])
1825 # First scan to see if an enabled language requires some other language.
1826 # We assume that a given config-lang.in will list all the language
1827 # front ends it requires, even if some are required indirectly.
1828 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1829 case ${lang_frag} in
1831 # The odd quoting in the next line works around
1832 # an apparent bug in bash 1.12 on linux.
1833 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1835 # From the config-lang.in, get $language, $lang_requires, and
1836 # $lang_requires_boot_languages.
1839 lang_requires_boot_languages=
1840 # set srcdir during sourcing lang_frag to the gcc dir.
1841 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1842 # polutes this shell
1843 saved_srcdir=${srcdir}
1844 srcdir=${srcdir}/gcc . ${lang_frag}
1845 srcdir=${saved_srcdir}
1846 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1847 case ,${enable_languages}, in
1852 echo " \`$other' language required by \`$language'; enabling" 1>&2
1853 enable_languages="${enable_languages},${other}"
1857 for other in ${lang_requires_boot_languages} ; do
1858 if test "$other" != "c"; then
1859 case ,${enable_stage1_languages}, in
1864 case ,${enable_languages}, in
1866 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1867 enable_stage1_languages="$enable_stage1_languages,${other}"
1878 new_enable_languages=,c,
1880 # If LTO is enabled, add the LTO front end.
1881 if test "$enable_lto" = "yes" ; then
1882 case ,${enable_languages}, in
1884 *) enable_languages="${enable_languages},lto" ;;
1886 if test "${build_lto_plugin}" = "yes" ; then
1887 configdirs="$configdirs lto-plugin"
1891 # If we're building an offloading compiler, add the LTO front end.
1892 if test x"$enable_as_accelerator_for" != x ; then
1893 case ,${enable_languages}, in
1895 *) enable_languages="${enable_languages},lto" ;;
1899 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1900 potential_languages=,c,
1902 enabled_target_libs=
1903 disabled_target_libs=
1905 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1906 case ${lang_frag} in
1908 # The odd quoting in the next line works around
1909 # an apparent bug in bash 1.12 on linux.
1910 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1912 # From the config-lang.in, get $language, $target_libs,
1913 # $lang_dirs, $boot_language, and $build_by_default
1919 build_by_default=yes
1920 # set srcdir during sourcing. See above about save & restore
1921 saved_srcdir=${srcdir}
1922 srcdir=${srcdir}/gcc . ${lang_frag}
1923 srcdir=${saved_srcdir}
1924 if test x${language} = x; then
1925 echo "${lang_frag} doesn't set \$language." 1>&2
1929 if test "$language" = "c++"; then
1934 # C is always enabled, so no need to add it again
1935 if test "$language" != "c"; then
1936 case ,${enable_languages}, in
1938 # Language was explicitly selected; include it
1942 # All languages are enabled
1946 # 'default' was selected, select it if it is a default language
1947 add_this_lang=${build_by_default}
1952 # Disable languages that need other directories if these aren't available.
1953 for i in $subdir_requires; do
1954 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1955 case ${add_this_lang} in
1957 # Specifically requested language; tell them.
1958 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1961 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1962 add_this_lang=unsupported
1966 add_this_lang=unsupported
1971 # Disable Ada if no preexisting GNAT is available.
1972 case ${add_this_lang}:${language}:${have_gnat} in
1974 # Specifically requested language; tell them.
1975 AC_MSG_ERROR([GNAT is required to build $language])
1978 AC_MSG_WARN([GNAT is required to build $language])
1979 add_this_lang=unsupported
1983 add_this_lang=unsupported
1987 # Disable jit if -enable-host-shared not specified
1988 case ${add_this_lang}:${language}:${host_shared} in
1990 # PR jit/64780: explicitly specify --enable-host-shared
1992 Enabling language "jit" requires --enable-host-shared.
1994 --enable-host-shared typically slows the rest of the compiler down by
1995 a few %, so you must explicitly enable it.
1997 If you want to build both the jit and the regular compiler, it is often
1998 best to do this via two separate configure/builds, in separate
1999 directories, to avoid imposing the performance cost of
2000 --enable-host-shared on the regular compiler.])
2003 AC_MSG_WARN([--enable-host-shared required to build $language])
2004 add_this_lang=unsupported
2008 add_this_lang=unsupported
2012 # Disable a language that is unsupported by the target.
2013 case "${add_this_lang}: $unsupported_languages " in
2017 AC_MSG_WARN([${language} not supported for this target])
2018 add_this_lang=unsupported
2022 case $add_this_lang in
2024 # Remove language-dependent dirs.
2025 disabled_target_libs="$disabled_target_libs $target_libs"
2026 noconfigdirs="$noconfigdirs $lang_dirs"
2029 # Remove language-dependent dirs; still show language as supported.
2030 disabled_target_libs="$disabled_target_libs $target_libs"
2031 noconfigdirs="$noconfigdirs $lang_dirs"
2032 potential_languages="${potential_languages}${language},"
2035 new_enable_languages="${new_enable_languages}${language},"
2036 potential_languages="${potential_languages}${language},"
2037 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2038 enabled_target_libs="$enabled_target_libs $target_libs"
2039 case "${boot_language}:,$enable_stage1_languages," in
2040 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2041 # Add to (comma-separated) list of stage 1 languages.
2042 case ",$stage1_languages," in
2043 *,$language,* | ,yes, | ,all,) ;;
2044 *) stage1_languages="${stage1_languages}${language}," ;;
2046 # We need to bootstrap any supporting libraries.
2047 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2056 # Add target libraries which are only needed for disabled languages
2058 if test -n "$disabled_target_libs"; then
2059 for dir in $disabled_target_libs; do
2060 case " $enabled_target_libs " in
2062 *) noconfigdirs="$noconfigdirs $dir" ;;
2067 AC_ARG_ENABLE(stage1-languages,
2068 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2069 [choose additional languages to build during
2070 stage1. Mostly useful for compiler development])],
2071 [case ,${enable_stage1_languages}, in
2073 # Set it to something that will have no effect in the loop below
2074 enable_stage1_languages=c ;;
2076 enable_stage1_languages=`echo $new_enable_languages | \
2077 sed -e "s/^,//" -e "s/,$//" ` ;;
2079 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2080 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2083 # Add "good" languages from enable_stage1_languages to stage1_languages,
2084 # while "bad" languages go in missing_languages. Leave no duplicates.
2085 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2086 case $potential_languages in
2088 case $stage1_languages in
2090 *) stage1_languages="$stage1_languages$i," ;;
2093 case $missing_languages in
2095 *) missing_languages="$missing_languages$i," ;;
2100 # Remove leading/trailing commas that were added for simplicity
2101 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2102 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2103 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2104 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2106 if test "x$missing_languages" != x; then
2108 The following requested languages could not be built: ${missing_languages}
2109 Supported languages are: ${potential_languages}])
2111 if test "x$new_enable_languages" != "x$enable_languages"; then
2112 echo The following languages will be built: ${new_enable_languages}
2113 enable_languages="$new_enable_languages"
2116 AC_SUBST(stage1_languages)
2117 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2120 # Handle --disable-<component> generically.
2121 for dir in $configdirs $build_configdirs $target_configdirs ; do
2122 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2123 varname=`echo $dirname | sed -e s/+/_/g`
2124 if eval test x\${enable_${varname}} "=" xno ; then
2125 noconfigdirs="$noconfigdirs $dir"
2129 # Check for Boehm's garbage collector
2130 AC_ARG_ENABLE(objc-gc,
2131 [AS_HELP_STRING([--enable-objc-gc],
2132 [enable use of Boehm's garbage collector with the
2133 GNU Objective-C runtime])])
2134 AC_ARG_WITH([target-bdw-gc],
2135 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2136 [specify prefix directory for installed bdw-gc package.
2137 Equivalent to --with-target-bdw-gc-include=PATH/include
2138 plus --with-target-bdw-gc-lib=PATH/lib])])
2139 AC_ARG_WITH([target-bdw-gc-include],
2140 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2141 [specify directories for installed bdw-gc include files])])
2142 AC_ARG_WITH([target-bdw-gc-lib],
2143 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2144 [specify directories for installed bdw-gc library])])
2146 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2147 AC_MSG_CHECKING([for bdw garbage collector])
2148 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2149 dnl no bdw-gw options, assume default locations
2150 AC_MSG_RESULT([using bdw-gc in default locations])
2152 dnl bdw-gw options, first error checking, complete checking in libobjc
2153 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2154 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2155 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2156 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2158 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2163 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2164 case ,${enable_languages}, in
2166 # Disable libitm, libsanitizer if we're not building libstdc++
2167 case "${noconfigdirs}" in
2168 *target-libstdc++-v3*)
2169 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2175 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2179 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2180 # $build_configdirs and $target_configdirs.
2181 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2184 for dir in . $skipdirs $noconfigdirs ; do
2185 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2186 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2187 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2188 if test -r $srcdir/$dirname/configure ; then
2189 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2192 notsupp="$notsupp $dir"
2196 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2197 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2198 if test -r $srcdir/$dirname/configure ; then
2199 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2202 notsupp="$notsupp $dir"
2206 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2207 target_configdirs=`echo " ${target_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 $dir"
2218 # Quietly strip out all directories which aren't configurable in this tree.
2219 # This relies on all configurable subdirectories being autoconfiscated, which
2221 build_configdirs_all="$build_configdirs"
2223 for i in ${build_configdirs_all} ; do
2224 j=`echo $i | sed -e s/build-//g`
2225 if test -f ${srcdir}/$j/configure ; then
2226 build_configdirs="${build_configdirs} $i"
2230 configdirs_all="$configdirs"
2232 for i in ${configdirs_all} ; do
2233 if test -f ${srcdir}/$i/configure ; then
2234 configdirs="${configdirs} $i"
2238 target_configdirs_all="$target_configdirs"
2240 for i in ${target_configdirs_all} ; do
2241 j=`echo $i | sed -e s/target-//g`
2242 if test -f ${srcdir}/$j/configure ; then
2243 target_configdirs="${target_configdirs} $i"
2247 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2248 # so we have to add it after the preceding checks.
2249 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2251 case " $configdirs " in
2253 # If we can build libiberty, we can also build libiberty-linker-plugin.
2254 configdirs="$configdirs libiberty-linker-plugin"
2255 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2256 --with-libiberty=../libiberty-linker-plugin";;
2258 AC_MSG_ERROR([libiberty missing]);;
2262 # Sometimes we have special requirements for the host libiberty.
2263 extra_host_libiberty_configure_flags=
2264 extra_host_zlib_configure_flags=
2265 case " $configdirs " in
2266 *" lto-plugin "* | *" libcc1 "*)
2267 # When these are to be built as shared libraries, the same applies to
2269 extra_host_libiberty_configure_flags=--enable-shared
2272 # When bfd is to be built as a shared library, the same applies to
2274 if test "$enable_shared" = "yes"; then
2275 extra_host_zlib_configure_flags=--enable-host-shared
2279 AC_SUBST(extra_host_libiberty_configure_flags)
2280 AC_SUBST(extra_host_zlib_configure_flags)
2282 # Produce a warning message for the subdirs we can't configure.
2283 # This isn't especially interesting in the Cygnus tree, but in the individual
2284 # FSF releases, it's important to let people know when their machine isn't
2285 # supported by the one or two programs in a package.
2287 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2288 # If $appdirs is non-empty, at least one of those directories must still
2289 # be configured, or we error out. (E.g., if the gas release supports a
2290 # specified target in some subdirs but not the gas subdir, we shouldn't
2291 # pretend that all is well.)
2292 if test -n "$appdirs" ; then
2293 for dir in $appdirs ; do
2294 if test -r $dir/Makefile.in ; then
2295 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2299 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2305 if test -n "$appdirs" ; then
2306 echo "*** This configuration is not supported by this package." 1>&2
2310 # Okay, some application will build, or we don't care to check. Still
2311 # notify of subdirs not getting built.
2312 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2313 echo " ${notsupp}" 1>&2
2314 echo " (Any other directories should still work fine.)" 1>&2
2322 # To find our prefix, in gcc_cv_tool_prefix.
2327 AC_ARG_WITH([build-sysroot],
2328 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2329 [use sysroot as the system root during the build])],
2330 [if test x"$withval" != x ; then
2331 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2333 [SYSROOT_CFLAGS_FOR_TARGET=])
2334 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2336 AC_ARG_WITH([debug-prefix-map],
2337 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2338 [map A to B, C to D ... in debug information])],
2339 [if test x"$withval" != x; then
2340 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2341 for debug_map in $withval; do
2342 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2345 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2346 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2348 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2349 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2350 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2351 # We want to ensure that TARGET libraries (which we know are built with
2352 # gcc) are built with "-O2 -g", so include those options when setting
2353 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2354 if test "x$CFLAGS_FOR_TARGET" = x; then
2355 if test "x${is_cross_compiler}" = xyes; then
2356 CFLAGS_FOR_TARGET="-g -O2"
2358 CFLAGS_FOR_TARGET=$CFLAGS
2361 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2364 *" -g "* | *" -g3 "*) ;;
2365 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2369 AC_SUBST(CFLAGS_FOR_TARGET)
2371 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2372 if test "x${is_cross_compiler}" = xyes; then
2373 CXXFLAGS_FOR_TARGET="-g -O2"
2375 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2376 case " $CXXFLAGS " in
2378 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2380 case " $CXXFLAGS " in
2381 *" -g "* | *" -g3 "*) ;;
2382 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2386 AC_SUBST(CXXFLAGS_FOR_TARGET)
2388 AC_SUBST(LDFLAGS_FOR_TARGET)
2390 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2391 # the named directory are copied to $(tooldir)/sys-include.
2392 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2393 if test x${is_cross_compiler} = xno ; then
2394 echo 1>&2 '***' --with-headers is only supported when cross compiling
2397 if test x"${with_headers}" != xyes ; then
2398 x=${gcc_cv_tool_prefix}
2399 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2403 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2404 # the name directories are copied to $(tooldir)/lib. Multiple directories
2406 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2407 if test x${is_cross_compiler} = xno ; then
2408 echo 1>&2 '***' --with-libs is only supported when cross compiling
2411 if test x"${with_libs}" != xyes ; then
2412 # Copy the libraries in reverse order, so that files in the first named
2413 # library override files in subsequent libraries.
2414 x=${gcc_cv_tool_prefix}
2415 for l in ${with_libs}; do
2416 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2421 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2423 # This is done by determining whether or not the appropriate directory
2424 # is available, and by checking whether or not specific configurations
2425 # have requested that this magic not happen.
2427 # The command line options always override the explicit settings in
2428 # configure.ac, and the settings in configure.ac override this magic.
2430 # If the default for a toolchain is to use GNU as and ld, and you don't
2431 # want to do that, then you should use the --without-gnu-as and
2432 # --without-gnu-ld options for the configure script. Similarly, if
2433 # the default is to use the included zlib and you don't want to do that,
2434 # you should use the --with-system-zlib option for the configure script.
2436 if test x${use_gnu_as} = x &&
2437 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2439 extra_host_args="$extra_host_args --with-gnu-as"
2442 if test x${use_gnu_ld} = x &&
2443 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2445 extra_host_args="$extra_host_args --with-gnu-ld"
2448 if test x${use_included_zlib} = x &&
2449 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2452 with_system_zlib=yes
2453 extra_host_args="$extra_host_args --with-system-zlib"
2456 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2457 # can detect this case.
2459 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2461 extra_host_args="$extra_host_args --with-newlib"
2464 # Handle ${copy_dirs}
2465 set fnord ${copy_dirs}
2467 while test $# != 0 ; do
2468 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2471 echo Copying $1 to $2
2473 # Use the install script to create the directory and all required
2474 # parent directories.
2475 if test -d $2 ; then
2479 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2482 # Copy the directory, assuming we have tar.
2483 # FIXME: Should we use B in the second tar? Not all systems support it.
2484 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2486 # It is the responsibility of the user to correctly adjust all
2487 # symlinks. If somebody can figure out how to handle them correctly
2488 # here, feel free to add the code.
2495 # Determine a target-dependent exec_prefix that the installed
2496 # gcc will search in. Keep this list sorted by triplet, with
2497 # the *-*-osname triplets last.
2500 i[[34567]]86-pc-msdosdjgpp*)
2501 md_exec_prefix=/dev/env/DJDIR/bin
2506 md_exec_prefix=/usr/ccs/bin
2510 extra_arflags_for_target=
2511 extra_nmflags_for_target=
2512 extra_ranlibflags_for_target=
2513 target_makefile_frag=/dev/null
2516 target_makefile_frag="config/mt-spu"
2518 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2519 target_makefile_frag="config/mt-sde"
2521 mipsisa*-*-elfoabi*)
2522 target_makefile_frag="config/mt-mips-elfoabi"
2524 mips*-*-*linux* | mips*-*-gnu*)
2525 target_makefile_frag="config/mt-mips-gnu"
2528 target_makefile_frag="config/mt-nios2-elf"
2531 target_makefile_frag="config/mt-android"
2533 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2534 target_makefile_frag="config/mt-gnu"
2536 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2537 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2538 # commands to handle both 32-bit and 64-bit objects. These flags are
2539 # harmless if we're using GNU nm or ar.
2540 extra_arflags_for_target=" -X32_64"
2541 extra_nmflags_for_target=" -B -X32_64"
2545 alphaieee_frag=/dev/null
2548 # This just makes sure to use the -mieee option to build target libs.
2549 # This should probably be set individually by each library.
2550 alphaieee_frag="config/mt-alphaieee"
2554 # If --enable-target-optspace always use -Os instead of -O2 to build
2555 # the target libraries, similarly if it is not specified, use -Os
2556 # on selected platforms.
2557 ospace_frag=/dev/null
2558 case "${enable_target_optspace}:${target}" in
2560 ospace_frag="config/mt-ospace"
2563 ospace_frag="config/mt-d30v"
2565 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2566 ospace_frag="config/mt-ospace"
2571 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2575 # Some systems (e.g., one of the i386-aix systems the gas testers are
2576 # using) don't handle "\$" correctly, so don't use it here.
2577 tooldir='${exec_prefix}'/${target_noncanonical}
2578 build_tooldir=${tooldir}
2580 # Create a .gdbinit file which runs the one in srcdir
2581 # and tells GDB to look there for source files.
2583 if test -r ${srcdir}/.gdbinit ; then
2586 *) cat > ./.gdbinit <<EOF
2590 source ${srcdir}/.gdbinit
2596 # Make sure that the compiler is able to generate an executable. If it
2597 # can't, we are probably in trouble. We don't care whether we can run the
2598 # executable--we might be using a cross compiler--we only care whether it
2599 # can be created. At this point the main configure script has set CC.
2601 echo "int main () { return 0; }" > conftest.c
2602 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2603 if test $? = 0 ; then
2604 if test -s conftest || test -s conftest.exe ; then
2610 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2611 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2618 # Decide which environment variable is used to find dynamic libraries.
2620 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2621 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2622 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2623 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2626 # On systems where the dynamic library environment variable is PATH,
2627 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2628 # built executables to PATH.
2629 if test "$RPATH_ENVVAR" = PATH; then
2630 GCC_SHLIB_SUBDIR=/shlib
2635 # Adjust the toplevel makefile according to whether bootstrap was selected.
2636 case $enable_bootstrap in
2638 bootstrap_suffix=bootstrap
2639 BUILD_CONFIG=bootstrap-debug
2642 bootstrap_suffix=no-bootstrap
2647 AC_MSG_CHECKING(for default BUILD_CONFIG)
2649 AC_ARG_WITH([build-config],
2650 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2651 [use config/NAME.mk build configuration])],
2652 [case $with_build_config in
2653 yes) with_build_config= ;;
2654 no) with_build_config= BUILD_CONFIG= ;;
2657 if test "x${with_build_config}" != x; then
2658 BUILD_CONFIG=$with_build_config
2660 case $BUILD_CONFIG in
2662 if echo "int f (void) { return 0; }" > conftest.c &&
2663 ${CC} -c conftest.c &&
2664 mv conftest.o conftest.o.g0 &&
2665 ${CC} -c -g conftest.c &&
2666 mv conftest.o conftest.o.g &&
2667 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2672 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2676 AC_MSG_RESULT($BUILD_CONFIG)
2677 AC_SUBST(BUILD_CONFIG)
2679 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2680 AC_MSG_CHECKING([for --enable-vtable-verify])
2681 AC_ARG_ENABLE(vtable-verify,
2682 [AS_HELP_STRING([--enable-vtable-verify],
2683 [Enable vtable verification feature])],
2684 [case "$enableval" in
2685 yes) enable_vtable_verify=yes ;;
2686 no) enable_vtable_verify=no ;;
2687 *) enable_vtable_verify=no;;
2689 [enable_vtable_verify=no])
2690 AC_MSG_RESULT($enable_vtable_verify)
2692 # Record target_configdirs and the configure arguments for target and
2693 # build configuration in Makefile.
2694 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2695 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2696 bootstrap_fixincludes=no
2698 # If we are building libgomp, bootstrap it.
2699 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2700 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2703 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2704 # or bootstrap-ubsan, bootstrap it.
2705 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2706 case "$BUILD_CONFIG" in
2707 *bootstrap-asan* | *bootstrap-ubsan* )
2708 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2709 bootstrap_fixincludes=yes
2714 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2715 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2716 test "$enable_vtable_verify" != no; then
2717 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2720 # Determine whether gdb needs tk/tcl or not.
2721 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2722 # and in that case we want gdb to be built without tk. Ugh!
2723 # In fact I believe gdb is the *only* package directly dependent on tk,
2724 # so we should be able to put the 'maybe's in unconditionally and
2725 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2726 # 100% sure that that's safe though.
2728 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2729 case "$enable_gdbtk" in
2733 GDB_TK="${gdb_tk}" ;;
2735 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2736 # distro. Eventually someone will fix this and move Insight, nee
2737 # gdbtk to a separate directory.
2738 if test -d ${srcdir}/gdb/gdbtk ; then
2745 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2746 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2748 # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2749 # else does, only include them if one of these is built. The Makefile
2750 # provides the ordering, so it's enough here to add to the list.
2751 case " ${configdirs} " in
2753 configdirs="${configdirs} gnulib gdbsupport"
2756 configdirs="${configdirs} gnulib gdbsupport"
2760 # Strip out unwanted targets.
2762 # While at that, we remove Makefiles if we were started for recursive
2763 # configuration, so that the top-level Makefile reconfigures them,
2764 # like we used to do when configure itself was recursive.
2766 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2767 # but now we're fixing up the Makefile ourselves with the additional
2768 # commands passed to AC_CONFIG_FILES. Use separate variables
2769 # extrasub-{build,host,target} not because there is any reason to split
2770 # the substitutions up that way, but only to remain below the limit of
2771 # 99 commands in a script, for HP-UX sed.
2773 # Do not nest @if/@endif or @unless/@endunless pairs, because
2774 # configure will not warn you at all.
2776 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2777 yes:yes:*\ gold\ *:*,c++,*) ;;
2778 yes:yes:*\ gold\ *:*)
2779 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2784 for module in ${build_configdirs} ; do
2785 if test -z "${no_recursion}" \
2786 && test -f ${build_subdir}/${module}/Makefile; then
2787 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2788 rm -f ${build_subdir}/${module}/Makefile
2790 extrasub_build="$extrasub_build
2791 /^@if build-$module\$/d
2792 /^@endif build-$module\$/d
2793 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2794 /^@if build-$module-$bootstrap_suffix\$/d
2795 /^@endif build-$module-$bootstrap_suffix\$/d
2796 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2799 for module in ${configdirs} ; do
2800 if test -z "${no_recursion}"; then
2801 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2802 if test -f ${file}; then
2803 echo 1>&2 "*** removing ${file} to force reconfigure"
2808 case ${module},${bootstrap_fixincludes} in
2809 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2810 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2812 extrasub_host="$extrasub_host
2814 /^@endif $module\$/d
2815 /^@unless $module\$/,/^@endunless $module\$/d
2816 /^@if $module-$host_bootstrap_suffix\$/d
2817 /^@endif $module-$host_bootstrap_suffix\$/d
2818 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2821 for module in ${target_configdirs} ; do
2822 if test -z "${no_recursion}" \
2823 && test -f ${target_subdir}/${module}/Makefile; then
2824 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2825 rm -f ${target_subdir}/${module}/Makefile
2828 # We only bootstrap target libraries listed in bootstrap_target_libs.
2829 case $bootstrap_target_libs in
2830 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2831 *) target_bootstrap_suffix=no-bootstrap ;;
2834 extrasub_target="$extrasub_target
2835 /^@if target-$module\$/d
2836 /^@endif target-$module\$/d
2837 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2838 /^@if target-$module-$target_bootstrap_suffix\$/d
2839 /^@endif target-$module-$target_bootstrap_suffix\$/d
2840 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2843 # Do the final fixup along with target modules.
2844 extrasub_target="$extrasub_target
2849 # Create the serialization dependencies. This uses a temporary file.
2851 AC_ARG_ENABLE([serial-configure],
2852 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2853 [force sequential configuration of
2854 sub-packages for the host, target or build
2855 machine, or all sub-packages])])
2857 case ${enable_serial_configure} in
2859 enable_serial_build_configure=yes
2860 enable_serial_host_configure=yes
2861 enable_serial_target_configure=yes
2865 # These force 'configure's to be done one at a time, to avoid problems
2866 # with contention over a shared config.cache.
2868 echo '# serdep.tmp' > serdep.tmp
2870 test "x${enable_serial_build_configure}" = xyes &&
2871 for item in ${build_configdirs} ; do
2874 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2879 test "x${enable_serial_host_configure}" = xyes &&
2880 for item in ${configdirs} ; do
2883 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2888 test "x${enable_serial_target_configure}" = xyes &&
2889 for item in ${target_configdirs} ; do
2892 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2896 serialization_dependencies=serdep.tmp
2897 AC_SUBST_FILE(serialization_dependencies)
2899 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2900 # target, nonopt, and variable assignments. These are the ones we
2901 # might not want to pass down to subconfigures. The exception being
2902 # --cache-file=/dev/null, which is used to turn off the use of cache
2903 # files altogether, and which should be passed on to subconfigures.
2904 # Also strip program-prefix, program-suffix, and program-transform-name,
2905 # so that we can pass down a consistent program-transform-name.
2910 eval "set -- $ac_configure_args"
2913 if test X"$skip_next" = X"yes"; then
2917 if test X"$keep_next" = X"yes"; then
2920 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2922 baseargs="$baseargs '$ac_arg'"
2923 tbaseargs="$tbaseargs '$ac_arg'"
2928 # Handle separated arguments. Based on the logic generated by
2931 *=* | --config-cache | -C | -disable-* | --disable-* \
2932 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2933 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2934 | -with-* | --with-* | -without-* | --without-* | --x)
2948 --with-* | --without-*)
2949 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2953 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2956 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2965 mpc | mpfr | gmp | isl)
2966 # If we're processing --with-$lib, --with-$lib-include or
2967 # --with-$lib-lib, for one of the libs above, and target is
2968 # different from host, don't pass the current argument to any
2969 # target library's configure.
2970 if test x$is_cross_compiler = xyes; then
2979 --cache-file=/dev/null | \
2980 -cache-file=/dev/null )
2981 # Handled here to avoid the test to skip args below.
2982 baseargs="$baseargs '$ac_arg'"
2983 tbaseargs="$tbaseargs '$ac_arg'"
2984 # Assert: $separate_arg should always be no.
2985 keep_next=$separate_arg
3001 -program-prefix* | \
3002 -program-suffix* | \
3003 -program-transform-name* )
3004 skip_next=$separate_arg
3008 # An option. Add it.
3011 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3013 baseargs="$baseargs '$ac_arg'"
3014 if test X"$skip_targ" = Xno; then
3015 tbaseargs="$tbaseargs '$ac_arg'"
3017 keep_next=$separate_arg
3020 # Either a variable assignment, or a nonopt (triplet). Don't
3021 # pass it down; let the Makefile handle this.
3026 # Remove the initial space we just introduced and, as these will be
3027 # expanded by make, quote '$'.
3028 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3030 # Add in --program-transform-name, after --program-prefix and
3031 # --program-suffix have been applied to it. Autoconf has already
3032 # doubled dollar signs and backslashes in program_transform_name; we want
3033 # the backslashes un-doubled, and then the entire thing wrapped in single
3034 # quotes, because this will be expanded first by make and then by the shell.
3035 # Also, because we want to override the logic in subdir configure scripts to
3036 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3037 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3038 ${program_transform_name}
3040 gcc_transform_name=`cat conftestsed.out`
3041 rm -f conftestsed.out
3042 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3043 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3044 if test "$silent" = yes; then
3045 baseargs="$baseargs --silent"
3046 tbaseargs="$tbaseargs --silent"
3048 baseargs="$baseargs --disable-option-checking"
3049 tbaseargs="$tbaseargs --disable-option-checking"
3051 # Record and document user additions to sub configure arguments.
3052 AC_ARG_VAR([build_configargs],
3053 [additional configure arguments for build directories])
3054 AC_ARG_VAR([host_configargs],
3055 [additional configure arguments for host directories])
3056 AC_ARG_VAR([target_configargs],
3057 [additional configure arguments for target directories])
3059 # For the build-side libraries, we just need to pretend we're native,
3060 # and not use the same cache file. Multilibs are neither needed nor
3061 # desired. We can't even use the same cache file for all build-side
3062 # libraries, as they're compiled differently; some with C, some with
3063 # C++ or with different feature-enabling options.
3064 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3066 # For host modules, accept cache file option, or specification as blank.
3067 case "${cache_file}" in
3069 cache_file_option="" ;;
3070 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3071 cache_file_option="--cache-file=${cache_file}" ;;
3073 cache_file_option="--cache-file=../${cache_file}" ;;
3076 # Host dirs don't like to share a cache file either, horribly enough.
3077 # This seems to be due to autoconf 2.5x stupidity.
3078 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3080 target_configargs="$target_configargs ${tbaseargs}"
3082 # Passing a --with-cross-host argument lets the target libraries know
3083 # whether they are being built with a cross-compiler or being built
3084 # native. However, it would be better to use other mechanisms to make the
3085 # sorts of decisions they want to make on this basis. Please consider
3086 # this option to be deprecated. FIXME.
3087 if test x${is_cross_compiler} = xyes ; then
3088 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3091 # Special user-friendly check for native x86_64-linux build, if
3092 # multilib is not explicitly enabled.
3093 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3094 x86_64-*linux*:yes:$build:$build:)
3095 # Make sure we have a development environment that handles 32-bit
3097 echo "int main () { return 0; }" > conftest.c
3098 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3099 if test $? = 0 ; then
3100 if test -s conftest || test -s conftest.exe ; then
3105 if test x${dev64} != xyes ; then
3106 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.])
3111 # Default to --enable-multilib.
3112 if test x${enable_multilib} = x ; then
3113 target_configargs="--enable-multilib ${target_configargs}"
3116 # Pass --with-newlib if appropriate. Note that target_configdirs has
3117 # changed from the earlier setting of with_newlib.
3118 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3119 target_configargs="--with-newlib ${target_configargs}"
3122 # Different target subdirs use different values of certain variables
3123 # (notably CXX). Worse, multilibs use *lots* of different values.
3124 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3125 # it doesn't automatically accept command-line overrides of them.
3126 # This means it's not safe for target subdirs to share a cache file,
3127 # which is disgusting, but there you have it. Hopefully this can be
3128 # fixed in future. It's still worthwhile to use a cache file for each
3129 # directory. I think.
3131 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3132 # We need to pass --target, as newer autoconf's requires consistency
3133 # for target_alias and gcc doesn't manage it consistently.
3134 target_configargs="--cache-file=./config.cache ${target_configargs}"
3137 case " $target_configdirs " in
3139 case " $target_configargs " in
3140 *" --with-newlib "*)
3143 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3147 # If we're not building GCC, don't discard standard headers.
3148 if test -d ${srcdir}/gcc; then
3149 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3151 if test "${build}" != "${host}"; then
3152 # On Canadian crosses, CC_FOR_TARGET will have already been set
3153 # by `configure', so we won't have an opportunity to add -Bgcc/
3154 # to it. This is right: we don't want to search that directory
3155 # for binaries, but we want the header files in there, so add
3157 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3159 # Someone might think of using the pre-installed headers on
3160 # Canadian crosses, in case the installed compiler is not fully
3161 # compatible with the compiler being built. In this case, it
3162 # would be better to flag an error than risking having
3163 # incompatible object files being constructed. We can't
3164 # guarantee that an error will be flagged, but let's hope the
3165 # compiler will do it, when presented with incompatible header
3170 case "${target}-${is_cross_compiler}" in
3171 i[[3456789]]86-*-linux*-no)
3172 # Here host == target, so we don't need to build gcc,
3173 # so we don't want to discard standard headers.
3174 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3177 # If we're building newlib, use its generic headers last, but search
3178 # for any libc-related directories first (so make it the last -B
3180 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3182 # If we're building libgloss, find the startup file, simulator library
3183 # and linker script.
3184 case " $target_configdirs " in
3186 # Look for startup file, simulator library and maybe linker script.
3187 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3188 # Look for libnosys.a in case the target needs it.
3189 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3190 # Most targets have the linker script in the source directory.
3191 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3202 x86_64-*mingw* | *-w64-mingw*)
3203 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3204 # however, use a symlink named 'mingw' in ${prefix} .
3205 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3208 # MinGW can't be handled as Cygwin above since it does not use newlib.
3209 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3213 # Allow the user to override the flags for
3214 # our build compiler if desired.
3215 if test x"${build}" = x"${host}" ; then
3216 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3217 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3218 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3221 # On Canadian crosses, we'll be searching the right directories for
3222 # the previously-installed cross compiler, so don't bother to add
3223 # flags for directories within the install tree of the compiler
3224 # being built; programs in there won't even run.
3225 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3226 # Search for pre-installed headers if nothing else fits.
3227 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3230 if test "x${use_gnu_ld}" = x &&
3231 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3232 # Arrange for us to find uninstalled linker scripts.
3233 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3236 # Search for other target-specific linker scripts and such.
3239 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3243 # Makefile fragments.
3244 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3246 eval fragval=\$$frag
3247 if test $fragval != /dev/null; then
3248 eval $frag=${srcdir}/$fragval
3251 AC_SUBST_FILE(host_makefile_frag)
3252 AC_SUBST_FILE(target_makefile_frag)
3253 AC_SUBST_FILE(alphaieee_frag)
3254 AC_SUBST_FILE(ospace_frag)
3256 # Miscellanea: directories, flags, etc.
3257 AC_SUBST(RPATH_ENVVAR)
3258 AC_SUBST(GCC_SHLIB_SUBDIR)
3260 AC_SUBST(build_tooldir)
3261 AC_SUBST(CONFIGURE_GDB_TK)
3263 AC_SUBST(INSTALL_GDB_TK)
3265 # Build module lists & subconfigure args.
3266 AC_SUBST(build_configargs)
3267 AC_SUBST(build_configdirs)
3269 # Host module lists & subconfigure args.
3270 AC_SUBST(host_configargs)
3271 AC_SUBST(configdirs)
3272 AC_SUBST(target_configdirs)
3274 # Target module lists & subconfigure args.
3275 AC_SUBST(target_configargs)
3279 AC_SUBST(AR_FOR_BUILD)
3280 AC_SUBST(AS_FOR_BUILD)
3281 AC_SUBST(CC_FOR_BUILD)
3282 AC_SUBST(CFLAGS_FOR_BUILD)
3283 AC_SUBST(CXXFLAGS_FOR_BUILD)
3284 AC_SUBST(CXX_FOR_BUILD)
3285 AC_SUBST(DLLTOOL_FOR_BUILD)
3286 AC_SUBST(GFORTRAN_FOR_BUILD)
3287 AC_SUBST(GOC_FOR_BUILD)
3288 AC_SUBST(LDFLAGS_FOR_BUILD)
3289 AC_SUBST(LD_FOR_BUILD)
3290 AC_SUBST(NM_FOR_BUILD)
3291 AC_SUBST(RANLIB_FOR_BUILD)
3292 AC_SUBST(WINDMC_FOR_BUILD)
3293 AC_SUBST(WINDRES_FOR_BUILD)
3295 # Generate default definitions for YACC, M4, LEX and other programs that run
3296 # on the build machine. These are used if the Makefile can't locate these
3297 # programs in objdir.
3298 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3300 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3301 case " $build_configdirs " in
3302 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3305 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3306 case " $build_configdirs " in
3307 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3310 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3311 case " $build_configdirs " in
3312 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3315 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3316 case " $build_configdirs " in
3317 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3318 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3321 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3322 case " $build_configdirs " in
3323 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3326 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3327 case " $build_configdirs " in
3328 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3331 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3332 # higher, else we use the "missing" dummy.
3333 if ${MAKEINFO} --version \
3334 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3337 MAKEINFO="$MISSING makeinfo"
3343 # FIXME: expect and dejagnu may become build tools?
3345 AC_CHECK_PROGS(EXPECT, expect, expect)
3346 case " $configdirs " in
3348 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3352 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3353 case " $configdirs " in
3355 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3361 NCN_STRICT_CHECK_TOOLS(AR, ar)
3362 NCN_STRICT_CHECK_TOOLS(AS, as)
3363 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3364 NCN_STRICT_CHECK_TOOLS(LD, ld)
3365 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3366 NCN_STRICT_CHECK_TOOLS(NM, nm)
3367 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3368 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3369 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3370 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3371 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3372 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3373 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3380 AC_ARG_WITH([build-time-tools],
3381 [AS_HELP_STRING([--with-build-time-tools=PATH],
3382 [use given path to find target tools during the build])],
3383 [case x"$withval" in
3386 with_build_time_tools=
3387 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3390 [with_build_time_tools=])
3392 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3393 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3394 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3395 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3396 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3398 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3399 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3400 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3401 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3402 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3403 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3404 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3405 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3406 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3407 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3408 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3409 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3410 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3412 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3414 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3415 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3416 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3417 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3418 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3419 [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],
3421 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3422 [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],
3424 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3425 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3426 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3427 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3428 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3429 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3430 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3431 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3432 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3433 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3434 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3435 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3436 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3437 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3438 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3439 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3441 AC_SUBST(FLAGS_FOR_TARGET)
3442 AC_SUBST(RAW_CXX_FOR_TARGET)
3444 # Certain tools may need extra flags.
3445 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3446 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3447 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3449 # When building target libraries, except in a Canadian cross, we use
3450 # the same toolchain as the compiler we just built.
3451 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3452 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3453 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3454 if test $host = $build; then
3455 case " $configdirs " in
3457 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3458 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3459 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3464 AC_SUBST(COMPILER_AS_FOR_TARGET)
3465 AC_SUBST(COMPILER_LD_FOR_TARGET)
3466 AC_SUBST(COMPILER_NM_FOR_TARGET)
3468 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3469 AC_ARG_ENABLE(maintainer-mode,
3470 [AS_HELP_STRING([--enable-maintainer-mode],
3471 [enable make rules and dependencies not useful
3472 (and sometimes confusing) to the casual installer])],
3473 USE_MAINTAINER_MODE=$enableval,
3474 USE_MAINTAINER_MODE=no)
3475 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3476 AC_SUBST(MAINTAINER_MODE_TRUE)
3477 AC_SUBST(MAINTAINER_MODE_FALSE)
3478 if test "$USE_MAINTAINER_MODE" = yes; then
3479 MAINTAINER_MODE_TRUE=
3480 MAINTAINER_MODE_FALSE='#'
3482 MAINTAINER_MODE_TRUE='#'
3483 MAINTAINER_MODE_FALSE=
3485 MAINT=$MAINTAINER_MODE_TRUE
3488 # ---------------------
3489 # GCC bootstrap support
3490 # ---------------------
3492 # Stage specific cflags for build.
3497 yes) stage1_cflags="-g -Wa,-J" ;;
3498 *) stage1_cflags="-g -J" ;;
3502 AC_SUBST(stage1_cflags)
3504 # Enable --enable-checking in stage1 of the compiler.
3505 AC_ARG_ENABLE(stage1-checking,
3506 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3507 [choose additional checking for stage1 of the compiler])],
3508 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3509 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3510 # For --disable-checking or implicit --enable-checking=release, avoid
3511 # setting --enable-checking=gc in the default stage1 checking for LTO
3512 # bootstraps. See PR62077.
3513 case $BUILD_CONFIG in
3515 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3517 stage1_checking=--enable-checking=yes,types;;
3519 if test "x$enable_checking" = x && \
3520 test -d ${srcdir}/gcc && \
3521 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3522 stage1_checking=--enable-checking=yes,types,extra
3525 stage1_checking=--enable-checking=$enable_checking,types
3527 AC_SUBST(stage1_checking)
3529 # Enable -Werror in bootstrap stage2 and later.
3530 AC_ARG_ENABLE(werror,
3531 [AS_HELP_STRING([--enable-werror],
3532 [enable -Werror in bootstrap stage2 and later])],
3534 case ${enable_werror} in
3535 yes) stage2_werror_flag="--enable-werror-always" ;;
3536 *) stage2_werror_flag="" ;;
3540 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3541 case $BUILD_CONFIG in
3543 stage2_werror_flag="--enable-werror-always" ;;
3545 stage2_werror_flag="--enable-werror-always" ;;
3550 AC_SUBST(stage2_werror_flag)
3552 # Specify what files to not compare during bootstrap.
3554 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3556 hppa*64*-*-hpux*) ;;
3557 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3558 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3560 AC_SUBST(compare_exclusions)
3562 AC_CONFIG_FILES([Makefile],
3563 [sed "$extrasub_build" Makefile |
3564 sed "$extrasub_host" |
3565 sed "$extrasub_target" > mf$$
3566 mv -f mf$$ Makefile],
3567 [extrasub_build="$extrasub_build"
3568 extrasub_host="$extrasub_host"
3569 extrasub_target="$extrasub_target"])
projects / thirdparty / binutils-gdb.git / blob