1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
154 target-liboffloadmic \
158 target-libstdc++-v3 \
159 target-libsanitizer \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list.
176 target_tools="target-rda"
178 ################################################################################
180 ## All tools belong in one of the four categories, and are assigned above
181 ## We assign ${configdirs} this way to remove all embedded newlines. This
182 ## is important because configure will choke if they ever get through.
183 ## ${configdirs} is directories we build using the host tools.
184 ## ${target_configdirs} is directories we build using the target tools.
185 configdirs=`echo ${host_libs} ${host_tools}`
186 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 build_configdirs=`echo ${build_libs} ${build_tools}`
189 m4_divert_text([PARSE_ARGS],
192 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194 m4_popdef([AS_MESSAGE_LOG_FD])dnl
197 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
200 ################################################################################
202 srcname="gnu development package"
204 # This gets set non-empty for some net releases of packages.
207 # Define is_cross_compiler to save on calls to 'test'.
209 if test x"${host}" = x"${target}" ; then
212 is_cross_compiler=yes
215 # Find the build and target subdir names.
217 # Be sure to cover against remnants of an in-tree build.
218 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220 Use a pristine source tree when building in a separate tree])
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld gold"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
243 AC_ARG_WITH(system-zlib,
244 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
245 # Make sure we don't let ZLIB be added if we didn't want it.
246 if test x$with_system_zlib = xyes ; then
248 noconfigdirs="$noconfigdirs zlib"
251 # some tools are so dependent upon X11 that if we're not building with X,
252 # it's not even worth trying to configure, much less build, that tool.
255 yes | "") ;; # the default value for this tree is that X11 is available
257 skipdirs="${skipdirs} tk itcl libgui"
258 # We won't be able to build gdbtk without X.
261 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
264 # Some are only suitable for cross toolchains.
265 # Remove these if host=target.
266 cross_only="target-libgloss target-newlib target-opcodes"
268 case $is_cross_compiler in
269 no) skipdirs="${skipdirs} ${cross_only}" ;;
272 # If both --with-headers and --with-libs are specified, default to
274 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
275 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
276 if test x"${with_newlib}" = x ; then
281 # Recognize --with-newlib/--without-newlib.
282 case ${with_newlib} in
283 no) skipdirs="${skipdirs} target-newlib" ;;
284 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
287 AC_ARG_ENABLE(as-accelerator-for,
288 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
289 [build as offload target compiler.
290 Specify offload host triple by ARG])])
292 AC_ARG_ENABLE(offload-targets,
293 [AS_HELP_STRING([--enable-offload-targets=LIST],
294 [enable offloading to devices from comma-separated LIST of
295 TARGET[=DIR]. Use optional path to find offload target compiler
298 if test x"$enable_offload_targets" = x; then
299 AC_MSG_ERROR([no offload targets specified])
301 ], [enable_offload_targets=])
303 # Handle --enable-gold, --enable-ld.
304 # --disable-gold [--enable-ld]
305 # Build only ld. Default option.
306 # --enable-gold [--enable-ld]
307 # Build both gold and ld. Install gold as "ld.gold", install ld
308 # as "ld.bfd" and "ld".
309 # --enable-gold=default [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold" and "ld",
311 # install ld as "ld.bfd".
312 # --enable-gold[=default] --disable-ld
313 # Build only gold, which is then installed as both "ld.gold" and "ld".
314 # --enable-gold --enable-ld=default
315 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
317 # In other words, ld is default
318 # --enable-gold=default --enable-ld=default
323 [AS_HELP_STRING([[--enable-gold[=ARG]]],
324 [build gold @<:@ARG={default,yes,no}@:>@])],
325 ENABLE_GOLD=$enableval,
327 case "${ENABLE_GOLD}" in
329 # Check for ELF target.
332 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
333 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
334 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
335 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
337 *-*-linux*aout* | *-*-linux*oldld*)
345 if test "$is_elf" = "yes"; then
346 # Check for target supported by gold.
348 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
349 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
350 configdirs="$configdirs gold"
351 if test x${ENABLE_GOLD} = xdefault; then
362 AC_MSG_ERROR([invalid --enable-gold argument])
367 [AS_HELP_STRING([[--enable-ld[=ARG]]],
368 [build ld @<:@ARG={default,yes,no}@:>@])],
369 ENABLE_LD=$enableval,
372 case "${ENABLE_LD}" in
374 if test x${default_ld} != x; then
375 AC_MSG_ERROR([either gold or ld can be the default ld])
381 if test x${ENABLE_GOLD} != xyes; then
382 AC_MSG_WARN([neither ld nor gold are enabled])
384 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
387 AC_MSG_ERROR([invalid --enable-ld argument])
392 # Decide the default method for compressing debug sections.
393 # Provide a configure time option to override our default.
394 AC_ARG_ENABLE(compressed_debug_sections,
395 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
396 [Enable compressed debug sections for gas, gold or ld by
399 if test x"$enable_compressed_debug_sections" = xyes; then
400 AC_MSG_ERROR([no program with compressed debug sections specified])
402 ], [enable_compressed_debug_sections=])
404 # Configure extra directories which are host specific
408 configdirs="$configdirs libtermcap" ;;
411 # A target can indicate whether a language isn't supported for some reason.
412 # Only spaces may be used in this macro; not newlines or tabs.
413 unsupported_languages=
415 # Remove more programs from consideration, based on the host or
416 # target this usually means that a port of the program doesn't
420 i[[3456789]]86-*-msdosdjgpp*)
421 noconfigdirs="$noconfigdirs tcl tk itcl"
426 AC_ARG_ENABLE(libquadmath,
427 AS_HELP_STRING([--disable-libquadmath],
428 [do not build libquadmath directory]),
429 ENABLE_LIBQUADMATH=$enableval,
430 ENABLE_LIBQUADMATH=yes)
431 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
432 noconfigdirs="$noconfigdirs target-libquadmath"
436 AC_ARG_ENABLE(libquadmath-support,
437 AS_HELP_STRING([--disable-libquadmath-support],
438 [disable libquadmath support for Fortran]),
439 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
440 ENABLE_LIBQUADMATH_SUPPORT=yes)
441 enable_libquadmath_support=
442 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
443 enable_libquadmath_support=no
447 AC_ARG_ENABLE(libada,
448 [AS_HELP_STRING([--enable-libada], [build libada directory])],
449 ENABLE_LIBADA=$enableval,
451 if test "${ENABLE_LIBADA}" != "yes" ; then
452 noconfigdirs="$noconfigdirs gnattools"
455 AC_ARG_ENABLE(libssp,
456 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
457 ENABLE_LIBSSP=$enableval,
460 AC_ARG_ENABLE(libstdcxx,
461 AS_HELP_STRING([--disable-libstdcxx],
462 [do not build libstdc++-v3 directory]),
463 ENABLE_LIBSTDCXX=$enableval,
464 ENABLE_LIBSTDCXX=default)
465 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
466 noconfigdirs="$noconfigdirs target-libstdc++-v3"
469 # If this is accelerator compiler and its target is intelmic we enable
470 # target liboffloadmic by default. If this is compiler with offloading
471 # for intelmic we enable host liboffloadmic by default. Otherwise
472 # liboffloadmic is disabled by default.
473 AC_ARG_ENABLE([liboffloadmic],
474 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
475 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
476 [case "$enableval" in
478 enable_liboffloadmic=$enableval ;;
480 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
482 [if test x"$enable_as_accelerator_for" != x; then
484 *-intelmic-* | *-intelmicemul-*)
485 enable_liboffloadmic=target
486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
489 enable_liboffloadmic=no
493 case "${enable_offload_targets}" in
494 *-intelmic-* | *-intelmicemul-*)
495 enable_liboffloadmic=host
496 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
499 enable_liboffloadmic=no
503 AC_SUBST(extra_liboffloadmic_configure_flags)
505 # Enable libgomp by default on hosted POSIX systems, and a few others.
506 if test x$enable_libgomp = x ; then
508 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
510 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
512 *-*-solaris2* | *-*-hpux11*)
514 *-*-darwin* | *-*-aix*)
519 noconfigdirs="$noconfigdirs target-libgomp"
524 # Disable libatomic on unsupported systems.
525 if test -d ${srcdir}/libatomic; then
526 if test x$enable_libatomic = x; then
527 AC_MSG_CHECKING([for libatomic support])
528 if (srcdir=${srcdir}/libatomic; \
529 . ${srcdir}/configure.tgt; \
530 test -n "$UNSUPPORTED")
533 noconfigdirs="$noconfigdirs target-libatomic"
540 # Disable libcilkrts on unsupported systems.
541 if test -d ${srcdir}/libcilkrts; then
542 if test x$enable_libcilkrts = x; then
543 AC_MSG_CHECKING([for libcilkrts support])
544 if (srcdir=${srcdir}/libcilkrts; \
545 . ${srcdir}/configure.tgt; \
546 test -n "$UNSUPPORTED")
549 noconfigdirs="$noconfigdirs target-libcilkrts"
556 # Disable liboffloadmic on unsupported systems.
557 if test -d ${srcdir}/liboffloadmic; then
558 if test x$enable_liboffloadmic != xno; then
559 AC_MSG_CHECKING([for liboffloadmic support])
560 if (srcdir=${srcdir}/liboffloadmic; \
561 . ${srcdir}/configure.tgt; \
562 test -n "$UNSUPPORTED")
565 noconfigdirs="$noconfigdirs target-liboffloadmic"
572 # Disable libitm on unsupported systems.
573 if test -d ${srcdir}/libitm; then
574 if test x$enable_libitm = x; then
575 AC_MSG_CHECKING([for libitm support])
576 if (srcdir=${srcdir}/libitm; \
577 . ${srcdir}/configure.tgt; \
578 test -n "$UNSUPPORTED")
581 noconfigdirs="$noconfigdirs target-libitm"
588 # Disable libsanitizer on unsupported systems.
589 if test -d ${srcdir}/libsanitizer; then
590 if test x$enable_libsanitizer = x; then
591 AC_MSG_CHECKING([for libsanitizer support])
592 if (srcdir=${srcdir}/libsanitizer; \
593 . ${srcdir}/configure.tgt; \
594 test -n "$UNSUPPORTED")
597 noconfigdirs="$noconfigdirs target-libsanitizer"
604 # Disable libvtv on unsupported systems.
605 if test -d ${srcdir}/libvtv; then
606 if test x$enable_libvtv = x; then
607 AC_MSG_CHECKING([for libvtv support])
608 if (srcdir=${srcdir}/libvtv; \
609 . ${srcdir}/configure.tgt; \
610 test "$VTV_SUPPORTED" != "yes")
613 noconfigdirs="$noconfigdirs target-libvtv"
621 # Enable libmpx on supported systems by request.
622 if test -d ${srcdir}/libmpx; then
623 if test x$enable_libmpx = x; then
624 AC_MSG_CHECKING([for libmpx support])
625 if (srcdir=${srcdir}/libmpx; \
626 . ${srcdir}/configure.tgt; \
627 test "$LIBMPX_SUPPORTED" != "yes")
630 noconfigdirs="$noconfigdirs target-libmpx"
637 # Disable libhsail-rt on unsupported systems.
638 if test -d ${srcdir}/libhsail-rt; then
639 if test x$enable_libhsail_rt = x; then
640 AC_MSG_CHECKING([for libhsail-rt support])
641 if (srcdir=${srcdir}/libhsail-rt; \
642 . ${srcdir}/configure.tgt; \
643 test -n "$UNSUPPORTED")
646 unsupported_languages="$unsupported_languages brig"
647 # This implicitly disables also target-libhsail-rt as it won't
648 # get added to the build without BRIG FE.
656 # Disable libquadmath for some systems.
659 noconfigdirs="$noconfigdirs target-libquadmath"
661 # libquadmath is unused on AIX and libquadmath build process use of
662 # LD_LIBRARY_PATH can break AIX bootstrap.
663 powerpc-*-aix* | rs6000-*-aix*)
664 noconfigdirs="$noconfigdirs target-libquadmath"
668 # Disable libssp for some systems.
671 # No hosted I/O support.
672 noconfigdirs="$noconfigdirs target-libssp"
674 powerpc-*-aix* | rs6000-*-aix*)
675 noconfigdirs="$noconfigdirs target-libssp"
678 # libssp uses a misaligned load to trigger a fault, but the RL78
679 # doesn't fault for those - instead, it gives a build-time error
680 # for explicit misaligned loads.
681 noconfigdirs="$noconfigdirs target-libssp"
684 # No hosted I/O support.
685 noconfigdirs="$noconfigdirs target-libssp"
689 # Disable libstdc++-v3 for some systems.
690 # Allow user to override this if they pass --enable-libstdc++-v3
691 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
694 # VxWorks uses the Dinkumware C++ library.
695 noconfigdirs="$noconfigdirs target-libstdc++-v3"
698 # the C++ libraries don't build on top of CE's C libraries
699 noconfigdirs="$noconfigdirs target-libstdc++-v3"
702 noconfigdirs="$noconfigdirs target-libstdc++-v3"
705 noconfigdirs="$noconfigdirs target-libstdc++-v3"
710 # Disable Fortran for some systems.
713 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
714 unsupported_languages="$unsupported_languages fortran"
718 # Disable libffi for some systems.
722 i[[3456789]]86-*-darwin*)
724 x86_64-*-darwin[[912]]*)
727 noconfigdirs="$noconfigdirs target-libffi"
730 noconfigdirs="$noconfigdirs target-libffi"
733 noconfigdirs="$noconfigdirs target-libffi"
736 noconfigdirs="$noconfigdirs target-libffi"
739 noconfigdirs="$noconfigdirs target-libffi"
742 noconfigdirs="$noconfigdirs target-libffi"
745 noconfigdirs="$noconfigdirs target-libffi"
748 noconfigdirs="$noconfigdirs target-libffi"
751 noconfigdirs="$noconfigdirs target-libffi"
754 noconfigdirs="$noconfigdirs target-libffi"
757 noconfigdirs="$noconfigdirs target-libffi"
760 noconfigdirs="$noconfigdirs target-libffi"
762 cris-*-* | crisv32-*-*)
766 *) # See PR46792 regarding target-libffi.
767 noconfigdirs="$noconfigdirs target-libffi";;
771 noconfigdirs="$noconfigdirs target-libffi"
776 noconfigdirs="$noconfigdirs target-libffi"
779 noconfigdirs="$noconfigdirs target-libffi"
781 i[[3456789]]86-w64-mingw*)
782 noconfigdirs="$noconfigdirs target-libffi"
784 i[[3456789]]86-*-mingw*)
785 noconfigdirs="$noconfigdirs target-libffi"
788 noconfigdirs="$noconfigdirs target-libffi"
791 noconfigdirs="$noconfigdirs target-libffi"
794 # copied from rs6000-*-* entry
795 noconfigdirs="$noconfigdirs target-libffi"
798 noconfigdirs="$noconfigdirs target-libffi"
801 noconfigdirs="$noconfigdirs target-libffi"
804 noconfigdirs="$noconfigdirs target-libffi"
808 # Disable the go frontend on systems where it is known to not work. Please keep
809 # this in sync with contrib/config-list.mk.
811 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
812 unsupported_languages="$unsupported_languages go"
816 # Disable libgo for some systems where it is known to not work.
817 # For testing, you can easily override this with --enable-libgo.
818 if test x$enable_libgo = x; then
822 noconfigdirs="$noconfigdirs target-libgo"
824 *-*-cygwin* | *-*-mingw*)
825 noconfigdirs="$noconfigdirs target-libgo"
828 noconfigdirs="$noconfigdirs target-libgo"
833 # Default libgloss CPU subdirectory.
834 libgloss_dir="$target_cpu"
837 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
846 cris-*-* | crisv32-*-*)
855 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
872 # Disable newlib and libgloss for various target OSes.
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 i[[3456789]]86-*-linux*)
878 # This section makes it possible to build newlib natively on linux.
879 # If we are using a cross compiler then don't configure newlib.
880 if test x${is_cross_compiler} != xno ; then
881 noconfigdirs="$noconfigdirs target-newlib"
883 noconfigdirs="$noconfigdirs target-libgloss"
884 # If we are not using a cross compiler, do configure newlib.
885 # Note however, that newlib will only be configured in this situation
886 # if the --with-newlib option has been given, because otherwise
887 # 'target-newlib' will appear in skipdirs.
889 i[[3456789]]86-*-rdos*)
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 sh*-*-pe|mips*-*-pe|arm-wince-pe)
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
896 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
899 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
905 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
914 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
917 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
920 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
923 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
926 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
929 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
932 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
935 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
943 noconfigdirs="$noconfigdirs ld gas gdb gprof"
944 noconfigdirs="$noconfigdirs sim target-rda"
947 noconfigdirs="$noconfigdirs ld gas gdb gprof"
948 noconfigdirs="$noconfigdirs sim target-rda"
951 noconfigdirs="$noconfigdirs ld gas gdb gprof"
952 noconfigdirs="$noconfigdirs sim target-rda"
954 i[[3456789]]86-*-darwin*)
955 noconfigdirs="$noconfigdirs ld gprof"
956 noconfigdirs="$noconfigdirs sim target-rda"
958 x86_64-*-darwin[[912]]*)
959 noconfigdirs="$noconfigdirs ld gas gprof"
960 noconfigdirs="$noconfigdirs sim target-rda"
963 noconfigdirs="$noconfigdirs ld gas gdb gprof"
964 noconfigdirs="$noconfigdirs sim target-rda"
969 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
970 && test -f /usr/local/include/gmp.h; then
975 # Remove unsupported stuff on all kaOS configurations.
976 noconfigdirs="$noconfigdirs target-libgloss"
983 noconfigdirs="$noconfigdirs target-libgloss"
986 noconfigdirs="$noconfigdirs target-libgloss"
987 # this is not caught below because this stanza matches earlier
989 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
992 # The tpf target doesn't support gdb yet.
994 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
997 noconfigdirs="$noconfigdirs target-rda"
1002 # ld works, but does not support shared libraries.
1003 # gas doesn't generate exception information.
1004 noconfigdirs="$noconfigdirs gas ld"
1007 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1010 # newlib is not 64 bit ready
1011 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1013 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1014 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1017 noconfigdirs="$noconfigdirs sim"
1020 noconfigdirs="$noconfigdirs target-libgloss"
1023 noconfigdirs="$noconfigdirs ld target-libgloss"
1026 if test x${with_avrlibc} != xno; then
1027 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1030 c4x-*-* | tic4x-*-*)
1031 noconfigdirs="$noconfigdirs target-libgloss"
1034 noconfigdirs="$noconfigdirs target-libgloss gdb"
1037 noconfigdirs="$noconfigdirs target-libgloss"
1040 noconfigdirs="$noconfigdirs gdb"
1043 noconfigdirs="$noconfigdirs gdb"
1046 noconfigdirs="$noconfigdirs target-rda gprof"
1049 noconfigdirs="$noconfigdirs"
1052 noconfigdirs="$noconfigdirs target-libgloss"
1055 noconfigdirs="$noconfigdirs target-libgloss"
1057 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1060 noconfigdirs="$noconfigdirs gdb"
1063 noconfigdirs="$noconfigdirs gdb ld"
1071 hppa*-*-openbsd* | \
1077 noconfigdirs="$noconfigdirs ld"
1080 noconfigdirs="$noconfigdirs gdb"
1083 # No gdb support yet.
1084 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1087 # No ld support yet.
1088 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1091 # No ld support yet.
1092 noconfigdirs="$noconfigdirs libgui itcl ld"
1094 i[[3456789]]86-w64-mingw*)
1096 i[[3456789]]86-*-mingw*)
1097 target_configdirs="$target_configdirs target-winsup"
1100 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1101 noconfigdirs="$noconfigdirs target-libgloss"
1102 # always build newlib if winsup directory is present.
1103 if test -d "$srcdir/winsup/cygwin"; then
1104 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1105 elif test -d "$srcdir/newlib"; then
1106 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1109 i[[3456789]]86-*-pe)
1110 noconfigdirs="$noconfigdirs target-libgloss"
1112 i[[3456789]]86-*-sco3.2v5*)
1113 # The linker does not yet know about weak symbols in COFF,
1114 # and is not configured to handle mixed ELF and COFF.
1115 noconfigdirs="$noconfigdirs ld target-libgloss"
1117 i[[3456789]]86-*-sco*)
1118 noconfigdirs="$noconfigdirs gprof target-libgloss"
1120 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1121 noconfigdirs="$noconfigdirs target-libgloss"
1123 i[[3456789]]86-*-sysv4*)
1124 noconfigdirs="$noconfigdirs target-libgloss"
1126 i[[3456789]]86-*-beos*)
1127 noconfigdirs="$noconfigdirs gdb"
1129 i[[3456789]]86-*-rdos*)
1130 noconfigdirs="$noconfigdirs gdb"
1133 noconfigdirs="$noconfigdirs gdb"
1136 noconfigdirs="$noconfigdirs sim"
1139 # copied from rs6000-*-* entry
1140 noconfigdirs="$noconfigdirs gprof"
1142 powerpc*-*-winnt* | powerpc*-*-pe*)
1143 target_configdirs="$target_configdirs target-winsup"
1144 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1145 # always build newlib.
1146 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1148 # This is temporary until we can link against shared libraries
1149 powerpcle-*-solaris*)
1150 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1153 noconfigdirs="$noconfigdirs gdb"
1156 noconfigdirs="$noconfigdirs gprof"
1159 noconfigdirs="$noconfigdirs gprof"
1162 noconfigdirs="$noconfigdirs gprof"
1165 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1168 noconfigdirs="$noconfigdirs gprof"
1170 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1171 if test x$with_newlib = xyes; then
1172 noconfigdirs="$noconfigdirs gprof"
1176 noconfigdirs="$noconfigdirs gprof target-libgloss"
1179 noconfigdirs="$noconfigdirs gprof target-libgloss"
1182 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1186 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1187 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1188 noconfigdirs="$noconfigdirs ld gas gprof"
1191 noconfigdirs="$noconfigdirs gprof"
1194 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1197 noconfigdirs="$noconfigdirs gdb"
1204 noconfigdirs="$noconfigdirs target-libgloss" ;;
1208 if test x${is_cross_compiler} = xno ; then
1213 noconfigdirs="$noconfigdirs sim"
1215 tilepro*-*-* | tilegx*-*-*)
1216 noconfigdirs="$noconfigdirs sim"
1219 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1222 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1226 # If we aren't building newlib, then don't build libgloss, since libgloss
1227 # depends upon some newlib header files.
1228 case "${noconfigdirs}" in
1229 *target-libgloss*) ;;
1230 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1233 # Work in distributions that contain no compiler tools, like Autoconf.
1234 host_makefile_frag=/dev/null
1235 if test -d ${srcdir}/config ; then
1237 i[[3456789]]86-*-msdosdjgpp*)
1238 host_makefile_frag="config/mh-djgpp"
1241 ACX_CHECK_CYGWIN_CAT_WORKS
1242 host_makefile_frag="config/mh-cygwin"
1245 host_makefile_frag="config/mh-mingw"
1248 host_makefile_frag="config/mh-alpha-linux"
1251 host_makefile_frag="config/mh-pa-hpux10"
1254 host_makefile_frag="config/mh-pa"
1257 host_makefile_frag="config/mh-pa"
1260 host_makefile_frag="config/mh-darwin"
1263 host_makefile_frag="config/mh-ppc-aix"
1266 host_makefile_frag="config/mh-ppc-aix"
1271 if test "${build}" != "${host}" ; then
1272 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1273 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1274 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1275 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1276 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1277 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1278 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1279 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1280 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1281 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1282 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1283 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1285 AR_FOR_BUILD="\$(AR)"
1286 AS_FOR_BUILD="\$(AS)"
1287 CC_FOR_BUILD="\$(CC)"
1288 CXX_FOR_BUILD="\$(CXX)"
1289 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1290 GOC_FOR_BUILD="\$(GOC)"
1291 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1292 LD_FOR_BUILD="\$(LD)"
1293 NM_FOR_BUILD="\$(NM)"
1294 RANLIB_FOR_BUILD="\$(RANLIB)"
1295 WINDRES_FOR_BUILD="\$(WINDRES)"
1296 WINDMC_FOR_BUILD="\$(WINDMC)"
1302 # We must set the default linker to the linker used by gcc for the correct
1303 # operation of libtool. If LD is not defined and we are using gcc, try to
1304 # set the LD default to the ld used by gcc.
1305 if test -z "$LD"; then
1306 if test "$GCC" = yes; then
1309 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1311 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1313 case $gcc_prog_ld in
1314 # Accept absolute paths.
1315 [[\\/]* | [A-Za-z]:[\\/]*)]
1316 LD="$gcc_prog_ld" ;;
1321 # Check whether -static-libstdc++ -static-libgcc is supported.
1323 if test "$GCC" = yes; then
1324 saved_LDFLAGS="$LDFLAGS"
1326 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1327 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1330 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1331 #error -static-libstdc++ not implemented
1334 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1335 [AC_MSG_RESULT([no])])
1338 LDFLAGS="$saved_LDFLAGS"
1342 ACX_PROG_CMP_IGNORE_INITIAL
1344 AC_ARG_ENABLE([bootstrap],
1345 [AS_HELP_STRING([--enable-bootstrap],
1346 [enable bootstrapping @<:@yes if native build@:>@])],,
1347 enable_bootstrap=default)
1349 # Issue errors and warnings for invalid/strange bootstrap combinations.
1350 if test -r $srcdir/gcc/configure; then
1356 case "$have_compiler:$host:$target:$enable_bootstrap" in
1359 # Default behavior. Enable bootstrap if we have a compiler
1360 # and we are in a native configuration.
1361 yes:$build:$build:default)
1362 enable_bootstrap=yes ;;
1365 enable_bootstrap=no ;;
1367 # We have a compiler and we are in a native configuration, bootstrap is ok
1368 yes:$build:$build:yes)
1371 # Other configurations, but we have a compiler. Assume the user knows
1374 AC_MSG_WARN([trying to bootstrap a cross compiler])
1377 # No compiler: if they passed --enable-bootstrap explicitly, fail
1379 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1381 # Fail if wrong command line
1383 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1387 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1388 # C++98 compiler can still start the bootstrap.
1389 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1390 CXX="$CXX -std=gnu++98"
1393 # Used for setting $lt_cv_objdir
1396 # Check for GMP, MPFR and MPC
1397 gmplibs="-lmpc -lmpfr -lgmp"
1401 # Specify a location for mpc
1402 # check for this first so it ends up on the link line before mpfr.
1404 [AS_HELP_STRING([--with-mpc=PATH],
1405 [specify prefix directory for installed MPC package.
1406 Equivalent to --with-mpc-include=PATH/include
1407 plus --with-mpc-lib=PATH/lib])])
1408 AC_ARG_WITH(mpc-include,
1409 [AS_HELP_STRING([--with-mpc-include=PATH],
1410 [specify directory for installed MPC include files])])
1411 AC_ARG_WITH(mpc-lib,
1412 [AS_HELP_STRING([--with-mpc-lib=PATH],
1413 [specify directory for the installed MPC library])])
1415 if test "x$with_mpc" != x; then
1416 gmplibs="-L$with_mpc/lib $gmplibs"
1417 gmpinc="-I$with_mpc/include $gmpinc"
1419 if test "x$with_mpc_include" != x; then
1420 gmpinc="-I$with_mpc_include $gmpinc"
1422 if test "x$with_mpc_lib" != x; then
1423 gmplibs="-L$with_mpc_lib $gmplibs"
1425 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1426 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1427 gmpinc='-I$$s/mpc/src '"$gmpinc"
1428 # Do not test the mpc version. Assume that it is sufficient, since
1429 # it is in the source tree, and the library has not been built yet
1430 # but it would be included on the link line in the version check below
1431 # hence making the test fail.
1435 # Specify a location for mpfr
1436 # check for this first so it ends up on the link line before gmp.
1437 AC_ARG_WITH(mpfr-dir,
1438 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1439 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1440 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1443 [AS_HELP_STRING([--with-mpfr=PATH],
1444 [specify prefix directory for installed MPFR package.
1445 Equivalent to --with-mpfr-include=PATH/include
1446 plus --with-mpfr-lib=PATH/lib])])
1447 AC_ARG_WITH(mpfr-include,
1448 [AS_HELP_STRING([--with-mpfr-include=PATH],
1449 [specify directory for installed MPFR include files])])
1450 AC_ARG_WITH(mpfr-lib,
1451 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1452 [specify directory for the installed MPFR library])])
1454 if test "x$with_mpfr" != x; then
1455 gmplibs="-L$with_mpfr/lib $gmplibs"
1456 gmpinc="-I$with_mpfr/include $gmpinc"
1458 if test "x$with_mpfr_include" != x; then
1459 gmpinc="-I$with_mpfr_include $gmpinc"
1461 if test "x$with_mpfr_lib" != x; then
1462 gmplibs="-L$with_mpfr_lib $gmplibs"
1464 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1465 # MPFR v3.1.0 moved the sources into a src sub-directory.
1466 if ! test -d ${srcdir}/mpfr/src; then
1468 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1470 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1471 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1472 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1473 # Do not test the mpfr version. Assume that it is sufficient, since
1474 # it is in the source tree, and the library has not been built yet
1475 # but it would be included on the link line in the version check below
1476 # hence making the test fail.
1480 # Specify a location for gmp
1481 AC_ARG_WITH(gmp-dir,
1482 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1483 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1484 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1487 [AS_HELP_STRING([--with-gmp=PATH],
1488 [specify prefix directory for the installed GMP package.
1489 Equivalent to --with-gmp-include=PATH/include
1490 plus --with-gmp-lib=PATH/lib])])
1491 AC_ARG_WITH(gmp-include,
1492 [AS_HELP_STRING([--with-gmp-include=PATH],
1493 [specify directory for installed GMP include files])])
1494 AC_ARG_WITH(gmp-lib,
1495 [AS_HELP_STRING([--with-gmp-lib=PATH],
1496 [specify directory for the installed GMP library])])
1499 if test "x$with_gmp" != x; then
1500 gmplibs="-L$with_gmp/lib $gmplibs"
1501 gmpinc="-I$with_gmp/include $gmpinc"
1503 if test "x$with_gmp_include" != x; then
1504 gmpinc="-I$with_gmp_include $gmpinc"
1506 if test "x$with_gmp_lib" != x; then
1507 gmplibs="-L$with_gmp_lib $gmplibs"
1509 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1510 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1511 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1512 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1513 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1514 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1515 # Do not test the gmp version. Assume that it is sufficient, since
1516 # it is in the source tree, and the library has not been built yet
1517 # but it would be included on the link line in the version check below
1518 # hence making the test fail.
1522 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1524 saved_CFLAGS="$CFLAGS"
1525 CFLAGS="$CFLAGS $gmpinc"
1526 # Check for the recommended and required versions of GMP.
1527 AC_MSG_CHECKING([for the correct version of gmp.h])
1528 AC_TRY_COMPILE([#include "gmp.h"],[
1529 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1530 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1531 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1534 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1535 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1536 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1537 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1540 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1541 [AC_MSG_RESULT([no]); have_gmp=no])
1543 # If we have GMP, check the MPFR version.
1544 if test x"$have_gmp" = xyes; then
1545 # Check for the recommended and required versions of MPFR.
1546 AC_MSG_CHECKING([for the correct version of mpfr.h])
1547 AC_TRY_COMPILE([#include <gmp.h>
1548 #include <mpfr.h>],[
1549 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1552 ], [AC_TRY_COMPILE([#include <gmp.h>
1553 #include <mpfr.h>],[
1554 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1558 [AC_MSG_RESULT([no]); have_gmp=no])
1561 # Check for the MPC header version.
1562 if test x"$have_gmp" = xyes ; then
1563 # Check for the recommended and required versions of MPC.
1564 AC_MSG_CHECKING([for the correct version of mpc.h])
1565 AC_TRY_COMPILE([#include <mpc.h>],[
1566 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1569 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1570 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1573 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1574 [AC_MSG_RESULT([no]); have_gmp=no])
1577 # Now check the MPFR library.
1578 if test x"$have_gmp" = xyes; then
1580 LIBS="$LIBS $gmplibs"
1581 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1582 AC_TRY_LINK([#include <mpc.h>],[
1589 mpfr_atan2 (n, n, x, GMP_RNDN);
1590 mpfr_erfc (n, x, GMP_RNDN);
1591 mpfr_subnormalize (x, t, GMP_RNDN);
1595 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1596 mpc_cosh (c, c, MPC_RNDNN);
1597 mpc_pow (c, c, c, MPC_RNDNN);
1598 mpc_acosh (c, c, MPC_RNDNN);
1600 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1604 CFLAGS="$saved_CFLAGS"
1606 # The library versions listed in the error message below should match
1607 # the HARD-minimums enforced above.
1608 if test x$have_gmp != xyes; then
1609 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1610 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1611 their locations. Source code for these libraries can be found at
1612 their respective hosting sites as well as at
1613 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1614 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1615 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1616 make sure that you have installed both the libraries and the header
1617 files. They may be located in separate packages.])
1621 # Flags needed for both GMP, MPFR and/or MPC.
1624 AC_SUBST(extra_mpfr_configure_flags)
1625 AC_SUBST(extra_mpc_gmp_configure_flags)
1626 AC_SUBST(extra_mpc_mpfr_configure_flags)
1627 AC_SUBST(extra_isl_gmp_configure_flags)
1629 # Libraries to use for stage1 or when not bootstrapping.
1630 AC_ARG_WITH(stage1-libs,
1631 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1632 [if test "$withval" = "no" -o "$withval" = "yes"; then
1635 stage1_libs=$withval
1638 AC_SUBST(stage1_libs)
1640 # Linker flags to use for stage1 or when not bootstrapping.
1641 AC_ARG_WITH(stage1-ldflags,
1642 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1643 [if test "$withval" = "no" -o "$withval" = "yes"; then
1646 stage1_ldflags=$withval
1649 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1650 # if supported. But if the user explicitly specified the libraries to use,
1651 # trust that they are doing what they want.
1652 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1653 stage1_ldflags="-static-libstdc++ -static-libgcc"
1655 AC_SUBST(stage1_ldflags)
1657 # Libraries to use for stage2 and later builds.
1658 AC_ARG_WITH(boot-libs,
1659 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1660 [if test "$withval" = "no" -o "$withval" = "yes"; then
1663 poststage1_libs=$withval
1666 AC_SUBST(poststage1_libs)
1668 # Linker flags to use for stage2 and later builds.
1669 AC_ARG_WITH(boot-ldflags,
1670 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1671 [linker flags for stage2 and later])],
1672 [if test "$withval" = "no" -o "$withval" = "yes"; then
1675 poststage1_ldflags=$withval
1677 [poststage1_ldflags=
1678 # In stages 2 and 3, default to linking libstdc++ and libgcc
1679 # statically. But if the user explicitly specified the libraries to
1680 # use, trust that they are doing what they want.
1681 if test "$poststage1_libs" = ""; then
1682 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1684 AC_SUBST(poststage1_ldflags)
1686 # GCC GRAPHITE dependency isl.
1687 # Basic setup is inlined here, actual checks are in config/isl.m4
1692 [Specify prefix directory for the installed isl package.
1693 Equivalent to --with-isl-include=PATH/include
1694 plus --with-isl-lib=PATH/lib])])
1696 # Treat --without-isl as a request to disable
1697 # GRAPHITE support and skip all following checks.
1698 if test "x$with_isl" != "xno"; then
1700 dnl Provide configure switches and initialize islinc & isllibs
1701 dnl with user input.
1703 dnl The versions of isl that work for Graphite
1705 dnl Only execute fail-action, if isl has been requested.
1707 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1710 # If the isl check failed, disable builds of in-tree variant of isl
1711 if test "x$with_isl" = xno ||
1712 test "x$gcc_cv_isl" = xno; then
1713 noconfigdirs="$noconfigdirs isl"
1720 # Check for LTO support.
1722 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1723 enable_lto=$enableval,
1724 enable_lto=yes; default_enable_lto=yes)
1726 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1727 build_lto_plugin=yes
1728 ],[if test x"$default_enable_lto" = x"yes" ; then
1730 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1731 # On other non-ELF platforms, LTO has yet to be validated.
1735 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1736 # It would also be nice to check the binutils support, but we don't
1737 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1738 # warn during gcc/ subconfigure; unless you're bootstrapping with
1739 # -flto it won't be needed until after installation anyway.
1741 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1742 *) if test x"$enable_lto" = x"yes"; then
1743 AC_MSG_ERROR([LTO support is not enabled for this target.])
1748 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1749 # Build it unless LTO was explicitly disabled.
1751 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1756 AC_ARG_ENABLE(linker-plugin-configure-flags,
1757 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1758 [additional flags for configuring linker plugins @<:@none@:>@])],
1759 extra_linker_plugin_configure_flags=$enableval,
1760 extra_linker_plugin_configure_flags=)
1761 AC_SUBST(extra_linker_plugin_configure_flags)
1762 AC_ARG_ENABLE(linker-plugin-flags,
1763 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1764 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1765 extra_linker_plugin_flags=$enableval,
1766 extra_linker_plugin_flags=)
1767 AC_SUBST(extra_linker_plugin_flags)
1769 # Enable --enable-host-shared.
1770 # Checked early to determine whether jit is an 'all' language
1771 AC_ARG_ENABLE(host-shared,
1772 [AS_HELP_STRING([--enable-host-shared],
1773 [build host code as shared libraries])],
1774 [host_shared=$enableval], [host_shared=no])
1775 AC_SUBST(host_shared)
1777 # By default, C and C++ are the only stage 1 languages.
1778 stage1_languages=,c,
1780 # Target libraries that we bootstrap.
1781 bootstrap_target_libs=,target-libgcc,
1783 # Figure out what language subdirectories are present.
1784 # Look if the user specified --enable-languages="..."; if not, use
1785 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1787 # NB: embedded tabs in this IF block -- do not untabify
1788 if test -d ${srcdir}/gcc; then
1789 if test x"${enable_languages+set}" != xset; then
1790 if test x"${LANGUAGES+set}" = xset; then
1791 enable_languages="${LANGUAGES}"
1792 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1794 enable_languages=default
1797 if test x"${enable_languages}" = x ||
1798 test x"${enable_languages}" = xyes;
1800 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1804 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1806 # 'f95' is the old name for the 'fortran' language. We issue a warning
1807 # and make the substitution.
1808 case ,${enable_languages}, in
1810 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1811 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1815 # If bootstrapping, C++ must be enabled.
1816 case ",$enable_languages,:$enable_bootstrap" in
1819 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1820 enable_languages="${enable_languages},c++"
1822 AC_MSG_ERROR([bootstrapping requires c++ sources])
1827 # First scan to see if an enabled language requires some other language.
1828 # We assume that a given config-lang.in will list all the language
1829 # front ends it requires, even if some are required indirectly.
1830 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1831 case ${lang_frag} in
1833 # The odd quoting in the next line works around
1834 # an apparent bug in bash 1.12 on linux.
1835 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1837 # From the config-lang.in, get $language, $lang_requires, and
1838 # $lang_requires_boot_languages.
1841 lang_requires_boot_languages=
1843 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1844 case ,${enable_languages}, in
1849 echo " \`$other' language required by \`$language'; enabling" 1>&2
1850 enable_languages="${enable_languages},${other}"
1854 for other in ${lang_requires_boot_languages} ; do
1855 if test "$other" != "c"; then
1856 case ,${enable_stage1_languages}, in
1861 case ,${enable_languages}, in
1863 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1864 enable_stage1_languages="$enable_stage1_languages,${other}"
1875 new_enable_languages=,c,
1877 # If LTO is enabled, add the LTO front end.
1878 if test "$enable_lto" = "yes" ; then
1879 case ,${enable_languages}, in
1881 *) enable_languages="${enable_languages},lto" ;;
1883 if test "${build_lto_plugin}" = "yes" ; then
1884 configdirs="$configdirs lto-plugin"
1888 # If we're building an offloading compiler, add the LTO front end.
1889 if test x"$enable_as_accelerator_for" != x ; then
1890 case ,${enable_languages}, in
1892 *) enable_languages="${enable_languages},lto" ;;
1896 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1897 potential_languages=,c,
1899 enabled_target_libs=
1900 disabled_target_libs=
1902 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1903 case ${lang_frag} in
1905 # The odd quoting in the next line works around
1906 # an apparent bug in bash 1.12 on linux.
1907 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1909 # From the config-lang.in, get $language, $target_libs,
1910 # $lang_dirs, $boot_language, and $build_by_default
1916 build_by_default=yes
1918 if test x${language} = x; then
1919 echo "${lang_frag} doesn't set \$language." 1>&2
1923 if test "$language" = "c++"; then
1928 # C is always enabled, so no need to add it again
1929 if test "$language" != "c"; then
1930 case ,${enable_languages}, in
1932 # Language was explicitly selected; include it
1936 # All languages are enabled
1940 # 'default' was selected, select it if it is a default language
1941 add_this_lang=${build_by_default}
1946 # Disable languages that need other directories if these aren't available.
1947 for i in $subdir_requires; do
1948 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1949 case ${add_this_lang} in
1951 # Specifically requested language; tell them.
1952 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1955 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1956 add_this_lang=unsupported
1960 add_this_lang=unsupported
1965 # Disable Ada if no preexisting GNAT is available.
1966 case ${add_this_lang}:${language}:${have_gnat} in
1968 # Specifically requested language; tell them.
1969 AC_MSG_ERROR([GNAT is required to build $language])
1972 AC_MSG_WARN([GNAT is required to build $language])
1973 add_this_lang=unsupported
1977 add_this_lang=unsupported
1981 # Disable jit if -enable-host-shared not specified
1982 case ${add_this_lang}:${language}:${host_shared} in
1984 # PR jit/64780: explicitly specify --enable-host-shared
1986 Enabling language "jit" requires --enable-host-shared.
1988 --enable-host-shared typically slows the rest of the compiler down by
1989 a few %, so you must explicitly enable it.
1991 If you want to build both the jit and the regular compiler, it is often
1992 best to do this via two separate configure/builds, in separate
1993 directories, to avoid imposing the performance cost of
1994 --enable-host-shared on the regular compiler.])
1997 AC_MSG_WARN([--enable-host-shared required to build $language])
1998 add_this_lang=unsupported
2002 add_this_lang=unsupported
2006 # Disable a language that is unsupported by the target.
2007 case "${add_this_lang}: $unsupported_languages " in
2011 AC_MSG_WARN([${language} not supported for this target])
2012 add_this_lang=unsupported
2016 case $add_this_lang in
2018 # Remove language-dependent dirs.
2019 disabled_target_libs="$disabled_target_libs $target_libs"
2020 noconfigdirs="$noconfigdirs $lang_dirs"
2023 # Remove language-dependent dirs; still show language as supported.
2024 disabled_target_libs="$disabled_target_libs $target_libs"
2025 noconfigdirs="$noconfigdirs $lang_dirs"
2026 potential_languages="${potential_languages}${language},"
2029 new_enable_languages="${new_enable_languages}${language},"
2030 potential_languages="${potential_languages}${language},"
2031 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2032 enabled_target_libs="$enabled_target_libs $target_libs"
2033 case "${boot_language}:,$enable_stage1_languages," in
2034 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2035 # Add to (comma-separated) list of stage 1 languages.
2036 case ",$stage1_languages," in
2037 *,$language,* | ,yes, | ,all,) ;;
2038 *) stage1_languages="${stage1_languages}${language}," ;;
2040 # We need to bootstrap any supporting libraries.
2041 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2050 # Add target libraries which are only needed for disabled languages
2052 if test -n "$disabled_target_libs"; then
2053 for dir in $disabled_target_libs; do
2054 case " $enabled_target_libs " in
2056 *) noconfigdirs="$noconfigdirs $dir" ;;
2061 AC_ARG_ENABLE(stage1-languages,
2062 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2063 [choose additional languages to build during
2064 stage1. Mostly useful for compiler development])],
2065 [case ,${enable_stage1_languages}, in
2067 # Set it to something that will have no effect in the loop below
2068 enable_stage1_languages=c ;;
2070 enable_stage1_languages=`echo $new_enable_languages | \
2071 sed -e "s/^,//" -e "s/,$//" ` ;;
2073 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2074 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2077 # Add "good" languages from enable_stage1_languages to stage1_languages,
2078 # while "bad" languages go in missing_languages. Leave no duplicates.
2079 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2080 case $potential_languages in
2082 case $stage1_languages in
2084 *) stage1_languages="$stage1_languages$i," ;;
2087 case $missing_languages in
2089 *) missing_languages="$missing_languages$i," ;;
2094 # Remove leading/trailing commas that were added for simplicity
2095 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2096 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2097 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2098 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2100 if test "x$missing_languages" != x; then
2102 The following requested languages could not be built: ${missing_languages}
2103 Supported languages are: ${potential_languages}])
2105 if test "x$new_enable_languages" != "x$enable_languages"; then
2106 echo The following languages will be built: ${new_enable_languages}
2107 enable_languages="$new_enable_languages"
2110 AC_SUBST(stage1_languages)
2111 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2114 # Handle --disable-<component> generically.
2115 for dir in $configdirs $build_configdirs $target_configdirs ; do
2116 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2117 varname=`echo $dirname | sed -e s/+/_/g`
2118 if eval test x\${enable_${varname}} "=" xno ; then
2119 noconfigdirs="$noconfigdirs $dir"
2123 # Check for Boehm's garbage collector
2124 AC_ARG_ENABLE(objc-gc,
2125 [AS_HELP_STRING([--enable-objc-gc],
2126 [enable use of Boehm's garbage collector with the
2127 GNU Objective-C runtime])])
2128 AC_ARG_WITH([target-bdw-gc],
2129 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2130 [specify prefix directory for installed bdw-gc package.
2131 Equivalent to --with-target-bdw-gc-include=PATH/include
2132 plus --with-target-bdw-gc-lib=PATH/lib])])
2133 AC_ARG_WITH([target-bdw-gc-include],
2134 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2135 [specify directories for installed bdw-gc include files])])
2136 AC_ARG_WITH([target-bdw-gc-lib],
2137 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2138 [specify directories for installed bdw-gc library])])
2140 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2141 AC_MSG_CHECKING([for bdw garbage collector])
2142 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2143 dnl no bdw-gw options, assume default locations
2144 AC_MSG_RESULT([using bdw-gc in default locations])
2146 dnl bdw-gw options, first error checking, complete checking in libobjc
2147 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2148 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2149 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2150 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2152 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2157 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2158 case ,${enable_languages}, in
2160 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2161 case "${noconfigdirs}" in
2162 *target-libstdc++-v3*)
2163 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2169 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2173 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2174 # $build_configdirs and $target_configdirs.
2175 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2178 for dir in . $skipdirs $noconfigdirs ; do
2179 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2180 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2181 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2182 if test -r $srcdir/$dirname/configure ; then
2183 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2186 notsupp="$notsupp $dir"
2190 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2191 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2192 if test -r $srcdir/$dirname/configure ; then
2193 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2196 notsupp="$notsupp $dir"
2200 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2202 if test -r $srcdir/$dirname/configure ; then
2203 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2206 notsupp="$notsupp $dir"
2212 # Quietly strip out all directories which aren't configurable in this tree.
2213 # This relies on all configurable subdirectories being autoconfiscated, which
2215 build_configdirs_all="$build_configdirs"
2217 for i in ${build_configdirs_all} ; do
2218 j=`echo $i | sed -e s/build-//g`
2219 if test -f ${srcdir}/$j/configure ; then
2220 build_configdirs="${build_configdirs} $i"
2224 configdirs_all="$configdirs"
2226 for i in ${configdirs_all} ; do
2227 if test -f ${srcdir}/$i/configure ; then
2228 configdirs="${configdirs} $i"
2232 target_configdirs_all="$target_configdirs"
2234 for i in ${target_configdirs_all} ; do
2235 j=`echo $i | sed -e s/target-//g`
2236 if test -f ${srcdir}/$j/configure ; then
2237 target_configdirs="${target_configdirs} $i"
2241 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2242 # so we have to add it after the preceding checks.
2243 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2245 case " $configdirs " in
2247 # If we can build libiberty, we can also build libiberty-linker-plugin.
2248 configdirs="$configdirs libiberty-linker-plugin"
2249 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2250 --with-libiberty=../libiberty-linker-plugin";;
2252 AC_MSG_ERROR([libiberty missing]);;
2256 # Sometimes we have special requirements for the host libiberty.
2257 extra_host_libiberty_configure_flags=
2258 extra_host_zlib_configure_flags=
2259 case " $configdirs " in
2260 *" lto-plugin "* | *" libcc1 "*)
2261 # When these are to be built as shared libraries, the same applies to
2263 extra_host_libiberty_configure_flags=--enable-shared
2266 # When bfd is to be built as a shared library, the same applies to
2268 if test "$enable_shared" = "yes"; then
2269 extra_host_zlib_configure_flags=--enable-host-shared
2273 AC_SUBST(extra_host_libiberty_configure_flags)
2274 AC_SUBST(extra_host_zlib_configure_flags)
2276 # Produce a warning message for the subdirs we can't configure.
2277 # This isn't especially interesting in the Cygnus tree, but in the individual
2278 # FSF releases, it's important to let people know when their machine isn't
2279 # supported by the one or two programs in a package.
2281 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2282 # If $appdirs is non-empty, at least one of those directories must still
2283 # be configured, or we error out. (E.g., if the gas release supports a
2284 # specified target in some subdirs but not the gas subdir, we shouldn't
2285 # pretend that all is well.)
2286 if test -n "$appdirs" ; then
2287 for dir in $appdirs ; do
2288 if test -r $dir/Makefile.in ; then
2289 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2293 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2299 if test -n "$appdirs" ; then
2300 echo "*** This configuration is not supported by this package." 1>&2
2304 # Okay, some application will build, or we don't care to check. Still
2305 # notify of subdirs not getting built.
2306 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2307 echo " ${notsupp}" 1>&2
2308 echo " (Any other directories should still work fine.)" 1>&2
2316 # To find our prefix, in gcc_cv_tool_prefix.
2321 AC_ARG_WITH([build-sysroot],
2322 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2323 [use sysroot as the system root during the build])],
2324 [if test x"$withval" != x ; then
2325 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2327 [SYSROOT_CFLAGS_FOR_TARGET=])
2328 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2330 AC_ARG_WITH([debug-prefix-map],
2331 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2332 [map A to B, C to D ... in debug information])],
2333 [if test x"$withval" != x; then
2334 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2335 for debug_map in $withval; do
2336 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2339 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2340 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2342 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2343 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2344 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2345 # We want to ensure that TARGET libraries (which we know are built with
2346 # gcc) are built with "-O2 -g", so include those options when setting
2347 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2348 if test "x$CFLAGS_FOR_TARGET" = x; then
2349 if test "x${is_cross_compiler}" = xyes; then
2350 CFLAGS_FOR_TARGET="-g -O2"
2352 CFLAGS_FOR_TARGET=$CFLAGS
2355 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2358 *" -g "* | *" -g3 "*) ;;
2359 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2363 AC_SUBST(CFLAGS_FOR_TARGET)
2365 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2366 if test "x${is_cross_compiler}" = xyes; then
2367 CXXFLAGS_FOR_TARGET="-g -O2"
2369 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2370 case " $CXXFLAGS " in
2372 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2374 case " $CXXFLAGS " in
2375 *" -g "* | *" -g3 "*) ;;
2376 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2380 AC_SUBST(CXXFLAGS_FOR_TARGET)
2382 AC_SUBST(LDFLAGS_FOR_TARGET)
2384 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2385 # the named directory are copied to $(tooldir)/sys-include.
2386 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2387 if test x${is_cross_compiler} = xno ; then
2388 echo 1>&2 '***' --with-headers is only supported when cross compiling
2391 if test x"${with_headers}" != xyes ; then
2392 x=${gcc_cv_tool_prefix}
2393 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2397 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2398 # the name directories are copied to $(tooldir)/lib. Multiple directories
2400 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2401 if test x${is_cross_compiler} = xno ; then
2402 echo 1>&2 '***' --with-libs is only supported when cross compiling
2405 if test x"${with_libs}" != xyes ; then
2406 # Copy the libraries in reverse order, so that files in the first named
2407 # library override files in subsequent libraries.
2408 x=${gcc_cv_tool_prefix}
2409 for l in ${with_libs}; do
2410 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2415 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2417 # This is done by determining whether or not the appropriate directory
2418 # is available, and by checking whether or not specific configurations
2419 # have requested that this magic not happen.
2421 # The command line options always override the explicit settings in
2422 # configure.ac, and the settings in configure.ac override this magic.
2424 # If the default for a toolchain is to use GNU as and ld, and you don't
2425 # want to do that, then you should use the --without-gnu-as and
2426 # --without-gnu-ld options for the configure script. Similarly, if
2427 # the default is to use the included zlib and you don't want to do that,
2428 # you should use the --with-system-zlib option for the configure script.
2430 if test x${use_gnu_as} = x &&
2431 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2433 extra_host_args="$extra_host_args --with-gnu-as"
2436 if test x${use_gnu_ld} = x &&
2437 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2439 extra_host_args="$extra_host_args --with-gnu-ld"
2442 if test x${use_included_zlib} = x &&
2443 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2446 with_system_zlib=yes
2447 extra_host_args="$extra_host_args --with-system-zlib"
2450 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2451 # can detect this case.
2453 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2455 extra_host_args="$extra_host_args --with-newlib"
2458 # Handle ${copy_dirs}
2459 set fnord ${copy_dirs}
2461 while test $# != 0 ; do
2462 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2465 echo Copying $1 to $2
2467 # Use the install script to create the directory and all required
2468 # parent directories.
2469 if test -d $2 ; then
2473 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2476 # Copy the directory, assuming we have tar.
2477 # FIXME: Should we use B in the second tar? Not all systems support it.
2478 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2480 # It is the responsibility of the user to correctly adjust all
2481 # symlinks. If somebody can figure out how to handle them correctly
2482 # here, feel free to add the code.
2489 # Determine a target-dependent exec_prefix that the installed
2490 # gcc will search in. Keep this list sorted by triplet, with
2491 # the *-*-osname triplets last.
2494 i[[34567]]86-pc-msdosdjgpp*)
2495 md_exec_prefix=/dev/env/DJDIR/bin
2500 md_exec_prefix=/usr/ccs/bin
2504 extra_arflags_for_target=
2505 extra_nmflags_for_target=
2506 extra_ranlibflags_for_target=
2507 target_makefile_frag=/dev/null
2510 target_makefile_frag="config/mt-spu"
2512 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2513 target_makefile_frag="config/mt-sde"
2515 mipsisa*-*-elfoabi*)
2516 target_makefile_frag="config/mt-mips-elfoabi"
2518 mips*-*-*linux* | mips*-*-gnu*)
2519 target_makefile_frag="config/mt-mips-gnu"
2522 target_makefile_frag="config/mt-nios2-elf"
2524 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2525 target_makefile_frag="config/mt-gnu"
2527 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2528 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2529 # commands to handle both 32-bit and 64-bit objects. These flags are
2530 # harmless if we're using GNU nm or ar.
2531 extra_arflags_for_target=" -X32_64"
2532 extra_nmflags_for_target=" -B -X32_64"
2536 alphaieee_frag=/dev/null
2539 # This just makes sure to use the -mieee option to build target libs.
2540 # This should probably be set individually by each library.
2541 alphaieee_frag="config/mt-alphaieee"
2545 # If --enable-target-optspace always use -Os instead of -O2 to build
2546 # the target libraries, similarly if it is not specified, use -Os
2547 # on selected platforms.
2548 ospace_frag=/dev/null
2549 case "${enable_target_optspace}:${target}" in
2551 ospace_frag="config/mt-ospace"
2554 ospace_frag="config/mt-d30v"
2556 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2557 ospace_frag="config/mt-ospace"
2562 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2566 # Some systems (e.g., one of the i386-aix systems the gas testers are
2567 # using) don't handle "\$" correctly, so don't use it here.
2568 tooldir='${exec_prefix}'/${target_noncanonical}
2569 build_tooldir=${tooldir}
2571 # Create a .gdbinit file which runs the one in srcdir
2572 # and tells GDB to look there for source files.
2574 if test -r ${srcdir}/.gdbinit ; then
2577 *) cat > ./.gdbinit <<EOF
2581 source ${srcdir}/.gdbinit
2587 # Make sure that the compiler is able to generate an executable. If it
2588 # can't, we are probably in trouble. We don't care whether we can run the
2589 # executable--we might be using a cross compiler--we only care whether it
2590 # can be created. At this point the main configure script has set CC.
2592 echo "int main () { return 0; }" > conftest.c
2593 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2594 if test $? = 0 ; then
2595 if test -s conftest || test -s conftest.exe ; then
2601 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2602 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2609 # Decide which environment variable is used to find dynamic libraries.
2611 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2612 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2613 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2614 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2617 # On systems where the dynamic library environment variable is PATH,
2618 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2619 # built executables to PATH.
2620 if test "$RPATH_ENVVAR" = PATH; then
2621 GCC_SHLIB_SUBDIR=/shlib
2626 # Adjust the toplevel makefile according to whether bootstrap was selected.
2627 case $enable_bootstrap in
2629 bootstrap_suffix=bootstrap
2630 BUILD_CONFIG=bootstrap-debug
2633 bootstrap_suffix=no-bootstrap
2638 AC_MSG_CHECKING(for default BUILD_CONFIG)
2640 AC_ARG_WITH([build-config],
2641 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2642 [use config/NAME.mk build configuration])],
2643 [case $with_build_config in
2644 yes) with_build_config= ;;
2645 no) with_build_config= BUILD_CONFIG= ;;
2648 if test "x${with_build_config}" != x; then
2649 BUILD_CONFIG=$with_build_config
2651 case $BUILD_CONFIG in
2653 if echo "int f (void) { return 0; }" > conftest.c &&
2654 ${CC} -c conftest.c &&
2655 mv conftest.o conftest.o.g0 &&
2656 ${CC} -c -g conftest.c &&
2657 mv conftest.o conftest.o.g &&
2658 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2663 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2667 AC_MSG_RESULT($BUILD_CONFIG)
2668 AC_SUBST(BUILD_CONFIG)
2670 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2671 AC_MSG_CHECKING([for --enable-vtable-verify])
2672 AC_ARG_ENABLE(vtable-verify,
2673 [AS_HELP_STRING([--enable-vtable-verify],
2674 [Enable vtable verification feature])],
2675 [case "$enableval" in
2676 yes) enable_vtable_verify=yes ;;
2677 no) enable_vtable_verify=no ;;
2678 *) enable_vtable_verify=no;;
2680 [enable_vtable_verify=no])
2681 AC_MSG_RESULT($enable_vtable_verify)
2683 # Record target_configdirs and the configure arguments for target and
2684 # build configuration in Makefile.
2685 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2686 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2687 bootstrap_fixincludes=no
2689 # If we are building libgomp, bootstrap it.
2690 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2691 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2694 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2695 # or bootstrap-ubsan, bootstrap it.
2696 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2697 case "$BUILD_CONFIG" in
2698 *bootstrap-asan* | *bootstrap-ubsan* )
2699 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2700 bootstrap_fixincludes=yes
2705 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2706 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2707 test "$enable_vtable_verify" != no; then
2708 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2711 # If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx,
2713 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2714 case "$BUILD_CONFIG" in
2716 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2721 # Determine whether gdb needs tk/tcl or not.
2722 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2723 # and in that case we want gdb to be built without tk. Ugh!
2724 # In fact I believe gdb is the *only* package directly dependent on tk,
2725 # so we should be able to put the 'maybe's in unconditionally and
2726 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2727 # 100% sure that that's safe though.
2729 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2730 case "$enable_gdbtk" in
2734 GDB_TK="${gdb_tk}" ;;
2736 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2737 # distro. Eventually someone will fix this and move Insight, nee
2738 # gdbtk to a separate directory.
2739 if test -d ${srcdir}/gdb/gdbtk ; then
2746 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2747 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2749 # Strip out unwanted targets.
2751 # While at that, we remove Makefiles if we were started for recursive
2752 # configuration, so that the top-level Makefile reconfigures them,
2753 # like we used to do when configure itself was recursive.
2755 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2756 # but now we're fixing up the Makefile ourselves with the additional
2757 # commands passed to AC_CONFIG_FILES. Use separate variables
2758 # extrasub-{build,host,target} not because there is any reason to split
2759 # the substitutions up that way, but only to remain below the limit of
2760 # 99 commands in a script, for HP-UX sed.
2761 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2763 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2764 yes:yes:*\ gold\ *:*,c++,*) ;;
2765 yes:yes:*\ gold\ *:*)
2766 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2771 for module in ${build_configdirs} ; do
2772 if test -z "${no_recursion}" \
2773 && test -f ${build_subdir}/${module}/Makefile; then
2774 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2775 rm -f ${build_subdir}/${module}/Makefile
2777 extrasub_build="$extrasub_build
2778 /^@if build-$module\$/d
2779 /^@endif build-$module\$/d
2780 /^@if build-$module-$bootstrap_suffix\$/d
2781 /^@endif build-$module-$bootstrap_suffix\$/d"
2784 for module in ${configdirs} ; do
2785 if test -z "${no_recursion}"; then
2786 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2787 if test -f ${file}; then
2788 echo 1>&2 "*** removing ${file} to force reconfigure"
2793 case ${module},${bootstrap_fixincludes} in
2794 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2795 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2797 extrasub_host="$extrasub_host
2799 /^@endif $module\$/d
2800 /^@if $module-$host_bootstrap_suffix\$/d
2801 /^@endif $module-$host_bootstrap_suffix\$/d"
2804 for module in ${target_configdirs} ; do
2805 if test -z "${no_recursion}" \
2806 && test -f ${target_subdir}/${module}/Makefile; then
2807 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2808 rm -f ${target_subdir}/${module}/Makefile
2811 # We only bootstrap target libraries listed in bootstrap_target_libs.
2812 case $bootstrap_target_libs in
2813 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2814 *) target_bootstrap_suffix=no-bootstrap ;;
2817 extrasub_target="$extrasub_target
2818 /^@if target-$module\$/d
2819 /^@endif target-$module\$/d
2820 /^@if target-$module-$target_bootstrap_suffix\$/d
2821 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2824 # Do the final fixup along with target modules.
2825 extrasub_target="$extrasub_target
2826 /^@if /,/^@endif /d"
2828 # Create the serialization dependencies. This uses a temporary file.
2830 AC_ARG_ENABLE([serial-configure],
2831 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2832 [force sequential configuration of
2833 sub-packages for the host, target or build
2834 machine, or all sub-packages])])
2836 case ${enable_serial_configure} in
2838 enable_serial_build_configure=yes
2839 enable_serial_host_configure=yes
2840 enable_serial_target_configure=yes
2844 # These force 'configure's to be done one at a time, to avoid problems
2845 # with contention over a shared config.cache.
2847 echo '# serdep.tmp' > serdep.tmp
2849 test "x${enable_serial_build_configure}" = xyes &&
2850 for item in ${build_configdirs} ; do
2853 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2858 test "x${enable_serial_host_configure}" = xyes &&
2859 for item in ${configdirs} ; do
2862 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2867 test "x${enable_serial_target_configure}" = xyes &&
2868 for item in ${target_configdirs} ; do
2871 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2875 serialization_dependencies=serdep.tmp
2876 AC_SUBST_FILE(serialization_dependencies)
2878 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2879 # target, nonopt, and variable assignments. These are the ones we
2880 # might not want to pass down to subconfigures. The exception being
2881 # --cache-file=/dev/null, which is used to turn off the use of cache
2882 # files altogether, and which should be passed on to subconfigures.
2883 # Also strip program-prefix, program-suffix, and program-transform-name,
2884 # so that we can pass down a consistent program-transform-name.
2889 eval "set -- $ac_configure_args"
2892 if test X"$skip_next" = X"yes"; then
2896 if test X"$keep_next" = X"yes"; then
2899 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2901 baseargs="$baseargs '$ac_arg'"
2902 tbaseargs="$tbaseargs '$ac_arg'"
2907 # Handle separated arguments. Based on the logic generated by
2910 *=* | --config-cache | -C | -disable-* | --disable-* \
2911 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2912 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2913 | -with-* | --with-* | -without-* | --without-* | --x)
2927 --with-* | --without-*)
2928 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2932 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2935 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2944 mpc | mpfr | gmp | isl)
2945 # If we're processing --with-$lib, --with-$lib-include or
2946 # --with-$lib-lib, for one of the libs above, and target is
2947 # different from host, don't pass the current argument to any
2948 # target library's configure.
2949 if test x$is_cross_compiler = xyes; then
2958 --cache-file=/dev/null | \
2959 -cache-file=/dev/null )
2960 # Handled here to avoid the test to skip args below.
2961 baseargs="$baseargs '$ac_arg'"
2962 tbaseargs="$tbaseargs '$ac_arg'"
2963 # Assert: $separate_arg should always be no.
2964 keep_next=$separate_arg
2980 -program-prefix* | \
2981 -program-suffix* | \
2982 -program-transform-name* )
2983 skip_next=$separate_arg
2987 # An option. Add it.
2990 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2992 baseargs="$baseargs '$ac_arg'"
2993 if test X"$skip_targ" = Xno; then
2994 tbaseargs="$tbaseargs '$ac_arg'"
2996 keep_next=$separate_arg
2999 # Either a variable assignment, or a nonopt (triplet). Don't
3000 # pass it down; let the Makefile handle this.
3005 # Remove the initial space we just introduced and, as these will be
3006 # expanded by make, quote '$'.
3007 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3009 # Add in --program-transform-name, after --program-prefix and
3010 # --program-suffix have been applied to it. Autoconf has already
3011 # doubled dollar signs and backslashes in program_transform_name; we want
3012 # the backslashes un-doubled, and then the entire thing wrapped in single
3013 # quotes, because this will be expanded first by make and then by the shell.
3014 # Also, because we want to override the logic in subdir configure scripts to
3015 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3016 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3017 ${program_transform_name}
3019 gcc_transform_name=`cat conftestsed.out`
3020 rm -f conftestsed.out
3021 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3022 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3023 if test "$silent" = yes; then
3024 baseargs="$baseargs --silent"
3025 tbaseargs="$tbaseargs --silent"
3027 baseargs="$baseargs --disable-option-checking"
3028 tbaseargs="$tbaseargs --disable-option-checking"
3030 # Record and document user additions to sub configure arguments.
3031 AC_ARG_VAR([build_configargs],
3032 [additional configure arguments for build directories])
3033 AC_ARG_VAR([host_configargs],
3034 [additional configure arguments for host directories])
3035 AC_ARG_VAR([target_configargs],
3036 [additional configure arguments for target directories])
3038 # For the build-side libraries, we just need to pretend we're native,
3039 # and not use the same cache file. Multilibs are neither needed nor
3040 # desired. We can't even use the same cache file for all build-side
3041 # libraries, as they're compiled differently; some with C, some with
3042 # C++ or with different feature-enabling options.
3043 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3045 # For host modules, accept cache file option, or specification as blank.
3046 case "${cache_file}" in
3048 cache_file_option="" ;;
3049 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3050 cache_file_option="--cache-file=${cache_file}" ;;
3052 cache_file_option="--cache-file=../${cache_file}" ;;
3055 # Host dirs don't like to share a cache file either, horribly enough.
3056 # This seems to be due to autoconf 2.5x stupidity.
3057 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3059 target_configargs="$target_configargs ${tbaseargs}"
3061 # Passing a --with-cross-host argument lets the target libraries know
3062 # whether they are being built with a cross-compiler or being built
3063 # native. However, it would be better to use other mechanisms to make the
3064 # sorts of decisions they want to make on this basis. Please consider
3065 # this option to be deprecated. FIXME.
3066 if test x${is_cross_compiler} = xyes ; then
3067 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3070 # Special user-friendly check for native x86_64-linux build, if
3071 # multilib is not explicitly enabled.
3072 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3073 x86_64-*linux*:yes:$build:$build:)
3074 # Make sure we have a development environment that handles 32-bit
3076 echo "int main () { return 0; }" > conftest.c
3077 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3078 if test $? = 0 ; then
3079 if test -s conftest || test -s conftest.exe ; then
3084 if test x${dev64} != xyes ; then
3085 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.])
3090 # Default to --enable-multilib.
3091 if test x${enable_multilib} = x ; then
3092 target_configargs="--enable-multilib ${target_configargs}"
3095 # Pass --with-newlib if appropriate. Note that target_configdirs has
3096 # changed from the earlier setting of with_newlib.
3097 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3098 target_configargs="--with-newlib ${target_configargs}"
3101 # Different target subdirs use different values of certain variables
3102 # (notably CXX). Worse, multilibs use *lots* of different values.
3103 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3104 # it doesn't automatically accept command-line overrides of them.
3105 # This means it's not safe for target subdirs to share a cache file,
3106 # which is disgusting, but there you have it. Hopefully this can be
3107 # fixed in future. It's still worthwhile to use a cache file for each
3108 # directory. I think.
3110 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3111 # We need to pass --target, as newer autoconf's requires consistency
3112 # for target_alias and gcc doesn't manage it consistently.
3113 target_configargs="--cache-file=./config.cache ${target_configargs}"
3116 case " $target_configdirs " in
3118 case " $target_configargs " in
3119 *" --with-newlib "*)
3122 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3126 # If we're not building GCC, don't discard standard headers.
3127 if test -d ${srcdir}/gcc; then
3128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3130 if test "${build}" != "${host}"; then
3131 # On Canadian crosses, CC_FOR_TARGET will have already been set
3132 # by `configure', so we won't have an opportunity to add -Bgcc/
3133 # to it. This is right: we don't want to search that directory
3134 # for binaries, but we want the header files in there, so add
3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3138 # Someone might think of using the pre-installed headers on
3139 # Canadian crosses, in case the installed compiler is not fully
3140 # compatible with the compiler being built. In this case, it
3141 # would be better to flag an error than risking having
3142 # incompatible object files being constructed. We can't
3143 # guarantee that an error will be flagged, but let's hope the
3144 # compiler will do it, when presented with incompatible header
3149 case "${target}-${is_cross_compiler}" in
3150 i[[3456789]]86-*-linux*-no)
3151 # Here host == target, so we don't need to build gcc,
3152 # so we don't want to discard standard headers.
3153 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3156 # If we're building newlib, use its generic headers last, but search
3157 # for any libc-related directories first (so make it the last -B
3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3161 # If we're building libgloss, find the startup file, simulator library
3162 # and linker script.
3163 case " $target_configdirs " in
3165 # Look for startup file, simulator library and maybe linker script.
3166 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3167 # Look for libnosys.a in case the target needs it.
3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3169 # Most targets have the linker script in the source directory.
3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3181 x86_64-*mingw* | *-w64-mingw*)
3182 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3183 # however, use a symlink named 'mingw' in ${prefix} .
3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3187 # MinGW can't be handled as Cygwin above since it does not use newlib.
3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3192 # Allow the user to override the flags for
3193 # our build compiler if desired.
3194 if test x"${build}" = x"${host}" ; then
3195 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3196 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3197 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3200 # On Canadian crosses, we'll be searching the right directories for
3201 # the previously-installed cross compiler, so don't bother to add
3202 # flags for directories within the install tree of the compiler
3203 # being built; programs in there won't even run.
3204 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3205 # Search for pre-installed headers if nothing else fits.
3206 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3209 if test "x${use_gnu_ld}" = x &&
3210 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3211 # Arrange for us to find uninstalled linker scripts.
3212 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3215 # Search for other target-specific linker scripts and such.
3218 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3222 # Makefile fragments.
3223 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3225 eval fragval=\$$frag
3226 if test $fragval != /dev/null; then
3227 eval $frag=${srcdir}/$fragval
3230 AC_SUBST_FILE(host_makefile_frag)
3231 AC_SUBST_FILE(target_makefile_frag)
3232 AC_SUBST_FILE(alphaieee_frag)
3233 AC_SUBST_FILE(ospace_frag)
3235 # Miscellanea: directories, flags, etc.
3236 AC_SUBST(RPATH_ENVVAR)
3237 AC_SUBST(GCC_SHLIB_SUBDIR)
3239 AC_SUBST(build_tooldir)
3240 AC_SUBST(CONFIGURE_GDB_TK)
3242 AC_SUBST(INSTALL_GDB_TK)
3244 # Build module lists & subconfigure args.
3245 AC_SUBST(build_configargs)
3246 AC_SUBST(build_configdirs)
3248 # Host module lists & subconfigure args.
3249 AC_SUBST(host_configargs)
3250 AC_SUBST(configdirs)
3251 AC_SUBST(target_configdirs)
3253 # Target module lists & subconfigure args.
3254 AC_SUBST(target_configargs)
3258 AC_SUBST(AR_FOR_BUILD)
3259 AC_SUBST(AS_FOR_BUILD)
3260 AC_SUBST(CC_FOR_BUILD)
3261 AC_SUBST(CFLAGS_FOR_BUILD)
3262 AC_SUBST(CXXFLAGS_FOR_BUILD)
3263 AC_SUBST(CXX_FOR_BUILD)
3264 AC_SUBST(DLLTOOL_FOR_BUILD)
3265 AC_SUBST(GFORTRAN_FOR_BUILD)
3266 AC_SUBST(GOC_FOR_BUILD)
3267 AC_SUBST(LDFLAGS_FOR_BUILD)
3268 AC_SUBST(LD_FOR_BUILD)
3269 AC_SUBST(NM_FOR_BUILD)
3270 AC_SUBST(RANLIB_FOR_BUILD)
3271 AC_SUBST(WINDMC_FOR_BUILD)
3272 AC_SUBST(WINDRES_FOR_BUILD)
3274 # Generate default definitions for YACC, M4, LEX and other programs that run
3275 # on the build machine. These are used if the Makefile can't locate these
3276 # programs in objdir.
3277 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3279 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3280 case " $build_configdirs " in
3281 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3284 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3285 case " $build_configdirs " in
3286 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3289 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3290 case " $build_configdirs " in
3291 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3294 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3295 case " $build_configdirs " in
3296 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3297 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3300 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3301 case " $build_configdirs " in
3302 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3305 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3306 case " $build_configdirs " in
3307 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3310 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3311 # higher, else we use the "missing" dummy.
3312 if ${MAKEINFO} --version \
3313 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3316 MAKEINFO="$MISSING makeinfo"
3322 # FIXME: expect and dejagnu may become build tools?
3324 AC_CHECK_PROGS(EXPECT, expect, expect)
3325 case " $configdirs " in
3327 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3331 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3332 case " $configdirs " in
3334 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3340 NCN_STRICT_CHECK_TOOLS(AR, ar)
3341 NCN_STRICT_CHECK_TOOLS(AS, as)
3342 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3343 NCN_STRICT_CHECK_TOOLS(LD, ld)
3344 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3345 NCN_STRICT_CHECK_TOOLS(NM, nm)
3346 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3347 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3348 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3349 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3350 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3351 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3352 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3359 AC_ARG_WITH([build-time-tools],
3360 [AS_HELP_STRING([--with-build-time-tools=PATH],
3361 [use given path to find target tools during the build])],
3362 [case x"$withval" in
3365 with_build_time_tools=
3366 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3369 [with_build_time_tools=])
3371 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3372 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3373 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3374 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3375 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3377 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3378 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3379 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3380 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3381 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3382 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3383 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3384 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3385 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3386 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3387 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3388 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3389 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3391 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3393 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3394 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3395 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3396 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3397 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3398 [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],
3400 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3401 [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],
3403 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3404 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3405 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3406 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3407 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3408 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3409 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3410 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3411 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3412 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3413 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3414 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3415 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3416 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3417 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3418 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3420 AC_SUBST(FLAGS_FOR_TARGET)
3421 AC_SUBST(RAW_CXX_FOR_TARGET)
3423 # Certain tools may need extra flags.
3424 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3425 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3426 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3428 # When building target libraries, except in a Canadian cross, we use
3429 # the same toolchain as the compiler we just built.
3430 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3431 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3432 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3433 if test $host = $build; then
3434 case " $configdirs " in
3436 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3437 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3438 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3443 AC_SUBST(COMPILER_AS_FOR_TARGET)
3444 AC_SUBST(COMPILER_LD_FOR_TARGET)
3445 AC_SUBST(COMPILER_NM_FOR_TARGET)
3447 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3448 AC_ARG_ENABLE(maintainer-mode,
3449 [AS_HELP_STRING([--enable-maintainer-mode],
3450 [enable make rules and dependencies not useful
3451 (and sometimes confusing) to the casual installer])],
3452 USE_MAINTAINER_MODE=$enableval,
3453 USE_MAINTAINER_MODE=no)
3454 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3455 AC_SUBST(MAINTAINER_MODE_TRUE)
3456 AC_SUBST(MAINTAINER_MODE_FALSE)
3457 if test "$USE_MAINTAINER_MODE" = yes; then
3458 MAINTAINER_MODE_TRUE=
3459 MAINTAINER_MODE_FALSE='#'
3461 MAINTAINER_MODE_TRUE='#'
3462 MAINTAINER_MODE_FALSE=
3464 MAINT=$MAINTAINER_MODE_TRUE
3467 # ---------------------
3468 # GCC bootstrap support
3469 # ---------------------
3471 # Stage specific cflags for build.
3476 yes) stage1_cflags="-g -Wa,-J" ;;
3477 *) stage1_cflags="-g -J" ;;
3481 AC_SUBST(stage1_cflags)
3483 # Enable --enable-checking in stage1 of the compiler.
3484 AC_ARG_ENABLE(stage1-checking,
3485 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3486 [choose additional checking for stage1 of the compiler])],
3487 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3488 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3489 # For --disable-checking or implicit --enable-checking=release, avoid
3490 # setting --enable-checking=gc in the default stage1 checking for LTO
3491 # bootstraps. See PR62077.
3492 case $BUILD_CONFIG in
3494 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3496 stage1_checking=--enable-checking=yes,types;;
3498 if test "x$enable_checking" = x && \
3499 test -d ${srcdir}/gcc && \
3500 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3501 stage1_checking=--enable-checking=yes,types,extra
3504 stage1_checking=--enable-checking=$enable_checking,types
3506 AC_SUBST(stage1_checking)
3508 # Enable -Werror in bootstrap stage2 and later.
3509 AC_ARG_ENABLE(werror,
3510 [AS_HELP_STRING([--enable-werror],
3511 [enable -Werror in bootstrap stage2 and later])],
3513 case ${enable_werror} in
3514 yes) stage2_werror_flag="--enable-werror-always" ;;
3515 *) stage2_werror_flag="" ;;
3519 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3520 case $BUILD_CONFIG in
3522 stage2_werror_flag="--enable-werror-always" ;;
3524 stage2_werror_flag="--enable-werror-always" ;;
3529 AC_SUBST(stage2_werror_flag)
3531 # Specify what files to not compare during bootstrap.
3533 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3535 hppa*64*-*-hpux*) ;;
3536 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3537 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3539 AC_SUBST(compare_exclusions)
3541 AC_CONFIG_FILES([Makefile],
3542 [sed "$extrasub_build" Makefile |
3543 sed "$extrasub_host" |
3544 sed "$extrasub_target" > mf$$
3545 mv -f mf$$ Makefile],
3546 [extrasub_build="$extrasub_build"
3547 extrasub_host="$extrasub_host"
3548 extrasub_target="$extrasub_target"])