1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016, 2019, 2020 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include(config/debuginfod.m4)
27 m4_include([libtool.m4])
28 m4_include([ltoptions.m4])
29 m4_include([ltsugar.m4])
30 m4_include([ltversion.m4])
31 m4_include([lt~obsolete.m4])
32 m4_include([config/isl.m4])
34 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 libctf"
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 gdbserver 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 \
153 target-liboffloadmic \
157 target-libstdc++-v3 \
158 target-libsanitizer \
168 # these tools are built using the target libraries, and are intended to
169 # run only in the target environment
171 # note: any program that *uses* libraries that are in the "target_libraries"
172 # list belongs in this list.
174 target_tools="target-rda"
176 ################################################################################
178 ## All tools belong in one of the four categories, and are assigned above
179 ## We assign ${configdirs} this way to remove all embedded newlines. This
180 ## is important because configure will choke if they ever get through.
181 ## ${configdirs} is directories we build using the host tools.
182 ## ${target_configdirs} is directories we build using the target tools.
183 configdirs=`echo ${host_libs} ${host_tools}`
184 target_configdirs=`echo ${target_libraries} ${target_tools}`
185 build_configdirs=`echo ${build_libs} ${build_tools}`
187 m4_divert_text([PARSE_ARGS],
190 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
191 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
192 m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
198 ################################################################################
200 srcname="gnu development package"
202 # This gets set non-empty for some net releases of packages.
205 # Define is_cross_compiler to save on calls to 'test'.
207 if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=yes
213 # Find the build and target subdir names.
215 # Be sure to cover against remnants of an in-tree build.
216 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
217 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
218 Use a pristine source tree when building in a separate tree])
221 # Skipdirs are removed silently.
223 # Noconfigdirs are removed loudly.
227 # Make sure we don't let GNU ld be added if we didn't want it.
228 if test x$with_gnu_ld = xno ; then
230 noconfigdirs="$noconfigdirs ld gold"
234 # Make sure we don't let GNU as be added if we didn't want it.
235 if test x$with_gnu_as = xno ; then
237 noconfigdirs="$noconfigdirs gas"
241 AC_ARG_WITH(system-zlib,
242 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
243 # Make sure we don't let ZLIB be added if we didn't want it.
244 if test x$with_system_zlib = xyes ; then
246 noconfigdirs="$noconfigdirs zlib"
249 # Don't compile the bundled readline/libreadline.a if --with-system-readline
251 if test x$with_system_readline = xyes ; then
252 noconfigdirs="$noconfigdirs readline"
255 # some tools are so dependent upon X11 that if we're not building with X,
256 # it's not even worth trying to configure, much less build, that tool.
259 yes | "") ;; # the default value for this tree is that X11 is available
261 skipdirs="${skipdirs} tk itcl libgui"
262 # We won't be able to build gdbtk without X.
265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
268 # Some are only suitable for cross toolchains.
269 # Remove these if host=target.
270 cross_only="target-libgloss target-newlib target-opcodes"
272 case $is_cross_compiler in
273 no) skipdirs="${skipdirs} ${cross_only}" ;;
276 # If both --with-headers and --with-libs are specified, default to
278 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
279 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
280 if test x"${with_newlib}" = x ; then
285 # Recognize --with-newlib/--without-newlib.
286 case ${with_newlib} in
287 no) skipdirs="${skipdirs} target-newlib" ;;
288 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
291 AC_ARG_ENABLE(as-accelerator-for,
292 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
293 [build as offload target compiler.
294 Specify offload host triple by ARG])])
296 AC_ARG_ENABLE(offload-targets,
297 [AS_HELP_STRING([--enable-offload-targets=LIST],
298 [enable offloading to devices from comma-separated LIST of
299 TARGET[=DIR]. Use optional path to find offload target compiler
302 if test x"$enable_offload_targets" = x; then
303 AC_MSG_ERROR([no offload targets specified])
305 ], [enable_offload_targets=])
307 # Handle --enable-gold, --enable-ld.
308 # --disable-gold [--enable-ld]
309 # Build only ld. Default option.
310 # --enable-gold [--enable-ld]
311 # Build both gold and ld. Install gold as "ld.gold", install ld
312 # as "ld.bfd" and "ld".
313 # --enable-gold=default [--enable-ld]
314 # Build both gold and ld. Install gold as "ld.gold" and "ld",
315 # install ld as "ld.bfd".
316 # --enable-gold[=default] --disable-ld
317 # Build only gold, which is then installed as both "ld.gold" and "ld".
318 # --enable-gold --enable-ld=default
319 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
321 # In other words, ld is default
322 # --enable-gold=default --enable-ld=default
327 [AS_HELP_STRING([[--enable-gold[=ARG]]],
328 [build gold @<:@ARG={default,yes,no}@:>@])],
329 ENABLE_GOLD=$enableval,
331 case "${ENABLE_GOLD}" in
333 # Check for ELF target.
336 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
337 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
338 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
339 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
341 *-*-linux*aout* | *-*-linux*oldld*)
349 if test "$is_elf" = "yes"; then
350 # Check for target supported by gold.
352 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
353 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
354 configdirs="$configdirs gold"
355 if test x${ENABLE_GOLD} = xdefault; then
366 AC_MSG_ERROR([invalid --enable-gold argument])
371 [AS_HELP_STRING([[--enable-ld[=ARG]]],
372 [build ld @<:@ARG={default,yes,no}@:>@])],
373 ENABLE_LD=$enableval,
376 case "${ENABLE_LD}" in
378 if test x${default_ld} != x; then
379 AC_MSG_ERROR([either gold or ld can be the default ld])
385 if test x${ENABLE_GOLD} != xyes; then
386 AC_MSG_WARN([neither ld nor gold are enabled])
388 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
391 AC_MSG_ERROR([invalid --enable-ld argument])
396 # Decide the default method for compressing debug sections.
397 # Provide a configure time option to override our default.
398 AC_ARG_ENABLE(compressed_debug_sections,
399 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
400 [Enable compressed debug sections for gas, gold or ld by
403 if test x"$enable_compressed_debug_sections" = xyes; then
404 AC_MSG_ERROR([no program with compressed debug sections specified])
406 ], [enable_compressed_debug_sections=])
408 # Configure extra directories which are host specific
412 configdirs="$configdirs libtermcap" ;;
415 # A target can indicate whether a language isn't supported for some reason.
416 # Only spaces may be used in this macro; not newlines or tabs.
417 unsupported_languages=
419 # Remove more programs from consideration, based on the host or
420 # target this usually means that a port of the program doesn't
424 i[[3456789]]86-*-msdosdjgpp*)
425 noconfigdirs="$noconfigdirs tcl tk itcl"
430 AC_ARG_ENABLE(libquadmath,
431 AS_HELP_STRING([--disable-libquadmath],
432 [do not build libquadmath directory]),
433 ENABLE_LIBQUADMATH=$enableval,
434 ENABLE_LIBQUADMATH=yes)
435 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
436 noconfigdirs="$noconfigdirs target-libquadmath"
440 AC_ARG_ENABLE(libquadmath-support,
441 AS_HELP_STRING([--disable-libquadmath-support],
442 [disable libquadmath support for Fortran]),
443 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
444 ENABLE_LIBQUADMATH_SUPPORT=yes)
445 enable_libquadmath_support=
446 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
447 enable_libquadmath_support=no
451 AC_ARG_ENABLE(libada,
452 [AS_HELP_STRING([--enable-libada], [build libada directory])],
453 ENABLE_LIBADA=$enableval,
455 if test "${ENABLE_LIBADA}" != "yes" ; then
456 noconfigdirs="$noconfigdirs gnattools"
459 AC_ARG_ENABLE(libssp,
460 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
461 ENABLE_LIBSSP=$enableval,
464 AC_ARG_ENABLE(libstdcxx,
465 AS_HELP_STRING([--disable-libstdcxx],
466 [do not build libstdc++-v3 directory]),
467 ENABLE_LIBSTDCXX=$enableval,
468 ENABLE_LIBSTDCXX=default)
469 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
470 noconfigdirs="$noconfigdirs target-libstdc++-v3"
473 # If this is accelerator compiler and its target is intelmic we enable
474 # target liboffloadmic by default. If this is compiler with offloading
475 # for intelmic we enable host liboffloadmic by default. Otherwise
476 # liboffloadmic is disabled by default.
477 AC_ARG_ENABLE([liboffloadmic],
478 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
479 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
480 [case "$enableval" in
482 enable_liboffloadmic=$enableval ;;
484 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
486 [if test x"$enable_as_accelerator_for" != x; then
488 *-intelmic-* | *-intelmicemul-*)
489 enable_liboffloadmic=target
490 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
493 enable_liboffloadmic=no
497 case "${enable_offload_targets}" in
498 *-intelmic-* | *-intelmicemul-*)
499 enable_liboffloadmic=host
500 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
503 enable_liboffloadmic=no
507 AC_SUBST(extra_liboffloadmic_configure_flags)
509 # Enable libgomp by default on hosted POSIX systems, and a few others.
510 if test x$enable_libgomp = x ; then
512 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
514 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
516 *-*-solaris2* | *-*-hpux11*)
518 *-*-darwin* | *-*-aix*)
523 noconfigdirs="$noconfigdirs target-libgomp"
528 # Disable libatomic on unsupported systems.
529 if test -d ${srcdir}/libatomic; then
530 if test x$enable_libatomic = x; then
531 AC_MSG_CHECKING([for libatomic support])
532 if (srcdir=${srcdir}/libatomic; \
533 . ${srcdir}/configure.tgt; \
534 test -n "$UNSUPPORTED")
537 noconfigdirs="$noconfigdirs target-libatomic"
544 # Disable liboffloadmic on unsupported systems.
545 if test -d ${srcdir}/liboffloadmic; then
546 if test x$enable_liboffloadmic != xno; then
547 AC_MSG_CHECKING([for liboffloadmic support])
548 if (srcdir=${srcdir}/liboffloadmic; \
549 . ${srcdir}/configure.tgt; \
550 test -n "$UNSUPPORTED")
553 noconfigdirs="$noconfigdirs target-liboffloadmic"
560 # Disable libitm on unsupported systems.
561 if test -d ${srcdir}/libitm; then
562 if test x$enable_libitm = x; then
563 AC_MSG_CHECKING([for libitm support])
564 if (srcdir=${srcdir}/libitm; \
565 . ${srcdir}/configure.tgt; \
566 test -n "$UNSUPPORTED")
569 noconfigdirs="$noconfigdirs target-libitm"
576 # Disable libsanitizer on unsupported systems.
577 if test -d ${srcdir}/libsanitizer; then
578 if test x$enable_libsanitizer = x; then
579 AC_MSG_CHECKING([for libsanitizer support])
580 if (srcdir=${srcdir}/libsanitizer; \
581 . ${srcdir}/configure.tgt; \
582 test -n "$UNSUPPORTED")
585 noconfigdirs="$noconfigdirs target-libsanitizer"
592 # Disable libvtv on unsupported systems.
593 if test -d ${srcdir}/libvtv; then
594 if test x$enable_libvtv = x; then
595 AC_MSG_CHECKING([for libvtv support])
596 if (srcdir=${srcdir}/libvtv; \
597 . ${srcdir}/configure.tgt; \
598 test "$VTV_SUPPORTED" != "yes")
601 noconfigdirs="$noconfigdirs target-libvtv"
609 # Disable libhsail-rt on unsupported systems.
610 if test -d ${srcdir}/libhsail-rt; then
611 if test x$enable_libhsail_rt = x; then
612 AC_MSG_CHECKING([for libhsail-rt support])
613 if (srcdir=${srcdir}/libhsail-rt; \
614 . ${srcdir}/configure.tgt; \
615 test -n "$UNSUPPORTED")
618 unsupported_languages="$unsupported_languages brig"
619 # This implicitly disables also target-libhsail-rt as it won't
620 # get added to the build without BRIG FE.
628 # Disable libquadmath for some systems.
631 noconfigdirs="$noconfigdirs target-libquadmath"
633 # libquadmath is unused on AIX and libquadmath build process use of
634 # LD_LIBRARY_PATH can break AIX bootstrap.
635 powerpc-*-aix* | rs6000-*-aix*)
636 noconfigdirs="$noconfigdirs target-libquadmath"
640 # Disable libssp for some systems.
643 # No hosted I/O support.
644 noconfigdirs="$noconfigdirs target-libssp"
646 powerpc-*-aix* | rs6000-*-aix*)
647 noconfigdirs="$noconfigdirs target-libssp"
650 # libssp uses a misaligned load to trigger a fault, but the RL78
651 # doesn't fault for those - instead, it gives a build-time error
652 # for explicit misaligned loads.
653 noconfigdirs="$noconfigdirs target-libssp"
656 # No hosted I/O support.
657 noconfigdirs="$noconfigdirs target-libssp"
661 # Disable libstdc++-v3 for some systems.
662 # Allow user to override this if they pass --enable-libstdc++-v3
663 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
666 # VxWorks uses the Dinkumware C++ library.
667 noconfigdirs="$noconfigdirs target-libstdc++-v3"
670 # the C++ libraries don't build on top of CE's C libraries
671 noconfigdirs="$noconfigdirs target-libstdc++-v3"
674 noconfigdirs="$noconfigdirs target-libstdc++-v3"
677 noconfigdirs="$noconfigdirs target-libstdc++-v3"
682 # Disable Fortran for some systems.
685 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
686 unsupported_languages="$unsupported_languages fortran"
690 # Disable libffi for some systems.
694 i[[3456789]]86-*-darwin*)
696 x86_64-*-darwin[[912]]*)
699 noconfigdirs="$noconfigdirs target-libffi"
702 noconfigdirs="$noconfigdirs target-libffi"
705 noconfigdirs="$noconfigdirs target-libffi"
708 noconfigdirs="$noconfigdirs target-libffi"
711 noconfigdirs="$noconfigdirs target-libffi"
714 noconfigdirs="$noconfigdirs target-libffi"
717 noconfigdirs="$noconfigdirs target-libffi"
720 noconfigdirs="$noconfigdirs target-libffi"
723 noconfigdirs="$noconfigdirs target-libffi"
726 noconfigdirs="$noconfigdirs target-libffi"
729 noconfigdirs="$noconfigdirs target-libffi"
732 noconfigdirs="$noconfigdirs target-libffi"
734 cris-*-* | crisv32-*-*)
738 *) # See PR46792 regarding target-libffi.
739 noconfigdirs="$noconfigdirs target-libffi";;
743 noconfigdirs="$noconfigdirs target-libffi"
748 noconfigdirs="$noconfigdirs target-libffi"
751 noconfigdirs="$noconfigdirs target-libffi"
753 i[[3456789]]86-w64-mingw*)
754 noconfigdirs="$noconfigdirs target-libffi"
756 i[[3456789]]86-*-mingw*)
757 noconfigdirs="$noconfigdirs target-libffi"
760 noconfigdirs="$noconfigdirs target-libffi"
763 noconfigdirs="$noconfigdirs target-libffi"
770 noconfigdirs="$noconfigdirs target-libffi"
773 noconfigdirs="$noconfigdirs target-libffi"
777 # Disable the go frontend on systems where it is known to not work. Please keep
778 # this in sync with contrib/config-list.mk.
780 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
781 unsupported_languages="$unsupported_languages go"
785 # Only allow gdbserver on some systems.
786 if test -d ${srcdir}/gdbserver; then
787 if test x$enable_gdbserver = x; then
788 AC_MSG_CHECKING([for gdbserver support])
789 if (srcdir=${srcdir}/gdbserver; \
790 . ${srcdir}/configure.srv; \
791 test -n "$UNSUPPORTED")
794 noconfigdirs="$noconfigdirs gdbserver"
801 # Disable libgo for some systems where it is known to not work.
802 # For testing, you can easily override this with --enable-libgo.
803 if test x$enable_libgo = x; then
807 noconfigdirs="$noconfigdirs target-libgo"
809 *-*-cygwin* | *-*-mingw*)
810 noconfigdirs="$noconfigdirs target-libgo"
815 # Default libgloss CPU subdirectory.
816 libgloss_dir="$target_cpu"
819 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
828 cris-*-* | crisv32-*-*)
837 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
854 # Disable newlib and libgloss for various target OSes.
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 i[[3456789]]86-*-linux*)
860 # This section makes it possible to build newlib natively on linux.
861 # If we are using a cross compiler then don't configure newlib.
862 if test x${is_cross_compiler} != xno ; then
863 noconfigdirs="$noconfigdirs target-newlib"
865 noconfigdirs="$noconfigdirs target-libgloss"
866 # If we are not using a cross compiler, do configure newlib.
867 # Note however, that newlib will only be configured in this situation
868 # if the --with-newlib option has been given, because otherwise
869 # 'target-newlib' will appear in skipdirs.
871 i[[3456789]]86-*-rdos*)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 sh*-*-pe|mips*-*-pe|arm-wince-pe)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
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"
914 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
917 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
925 noconfigdirs="$noconfigdirs ld gas gdb gprof"
926 noconfigdirs="$noconfigdirs sim target-rda"
929 noconfigdirs="$noconfigdirs ld gas gdb gprof"
930 noconfigdirs="$noconfigdirs sim target-rda"
933 noconfigdirs="$noconfigdirs ld gas gdb gprof"
934 noconfigdirs="$noconfigdirs sim target-rda"
936 i[[3456789]]86-*-darwin*)
937 noconfigdirs="$noconfigdirs ld gprof"
938 noconfigdirs="$noconfigdirs sim target-rda"
940 x86_64-*-darwin[[912]]*)
941 noconfigdirs="$noconfigdirs ld gas gprof"
942 noconfigdirs="$noconfigdirs sim target-rda"
945 noconfigdirs="$noconfigdirs ld gas gdb gprof"
946 noconfigdirs="$noconfigdirs sim target-rda"
951 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
952 && test -f /usr/local/include/gmp.h; then
957 # Remove unsupported stuff on all kaOS configurations.
958 noconfigdirs="$noconfigdirs target-libgloss"
965 noconfigdirs="$noconfigdirs target-libgloss"
968 noconfigdirs="$noconfigdirs target-libgloss"
970 # The tpf target doesn't support gdb yet.
972 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
975 noconfigdirs="$noconfigdirs target-rda"
980 # ld works, but does not support shared libraries.
981 # gas doesn't generate exception information.
982 noconfigdirs="$noconfigdirs gas ld"
985 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
988 # newlib is not 64 bit ready
989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
991 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
992 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
995 noconfigdirs="$noconfigdirs sim"
998 noconfigdirs="$noconfigdirs target-libgloss"
1001 noconfigdirs="$noconfigdirs ld target-libgloss"
1004 if test x${with_avrlibc} != xno; then
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1008 c4x-*-* | tic4x-*-*)
1009 noconfigdirs="$noconfigdirs target-libgloss"
1012 noconfigdirs="$noconfigdirs target-libgloss gdb"
1015 noconfigdirs="$noconfigdirs target-libgloss"
1018 noconfigdirs="$noconfigdirs gdb"
1021 noconfigdirs="$noconfigdirs gdb"
1024 noconfigdirs="$noconfigdirs target-rda gprof"
1027 noconfigdirs="$noconfigdirs"
1030 noconfigdirs="$noconfigdirs target-libgloss"
1033 noconfigdirs="$noconfigdirs target-libgloss"
1035 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1038 noconfigdirs="$noconfigdirs gdb"
1041 noconfigdirs="$noconfigdirs gdb ld"
1049 hppa*-*-openbsd* | \
1055 noconfigdirs="$noconfigdirs ld"
1058 noconfigdirs="$noconfigdirs gdb"
1061 # No gdb support yet.
1062 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1065 # No ld support yet.
1066 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1069 # No ld support yet.
1070 noconfigdirs="$noconfigdirs libgui itcl ld"
1072 i[[3456789]]86-w64-mingw*)
1074 i[[3456789]]86-*-mingw*)
1075 target_configdirs="$target_configdirs target-winsup"
1078 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1079 noconfigdirs="$noconfigdirs target-libgloss"
1080 # always build newlib if winsup directory is present.
1081 if test -d "$srcdir/winsup/cygwin"; then
1082 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1083 elif test -d "$srcdir/newlib"; then
1084 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1087 i[[3456789]]86-*-pe)
1088 noconfigdirs="$noconfigdirs target-libgloss"
1090 i[[3456789]]86-*-sco3.2v5*)
1091 # The linker does not yet know about weak symbols in COFF,
1092 # and is not configured to handle mixed ELF and COFF.
1093 noconfigdirs="$noconfigdirs ld target-libgloss"
1095 i[[3456789]]86-*-sco*)
1096 noconfigdirs="$noconfigdirs gprof target-libgloss"
1098 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1099 noconfigdirs="$noconfigdirs target-libgloss"
1101 i[[3456789]]86-*-sysv4*)
1102 noconfigdirs="$noconfigdirs target-libgloss"
1104 i[[3456789]]86-*-beos*)
1105 noconfigdirs="$noconfigdirs gdb"
1107 i[[3456789]]86-*-rdos*)
1108 noconfigdirs="$noconfigdirs gdb"
1111 noconfigdirs="$noconfigdirs gdb"
1114 noconfigdirs="$noconfigdirs sim"
1117 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1118 noconfigdirs="$noconfigdirs $target_libraries"
1121 noconfigdirs="$noconfigdirs gdb gprof"
1124 # copied from rs6000-*-* entry
1125 noconfigdirs="$noconfigdirs gprof"
1127 powerpc*-*-winnt* | powerpc*-*-pe*)
1128 target_configdirs="$target_configdirs target-winsup"
1129 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1130 # always build newlib.
1131 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1133 # This is temporary until we can link against shared libraries
1134 powerpcle-*-solaris*)
1135 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1138 noconfigdirs="$noconfigdirs gdb"
1141 noconfigdirs="$noconfigdirs gprof"
1144 noconfigdirs="$noconfigdirs gprof"
1147 noconfigdirs="$noconfigdirs gprof"
1150 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1153 noconfigdirs="$noconfigdirs gprof"
1155 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1156 if test x$with_newlib = xyes; then
1157 noconfigdirs="$noconfigdirs gprof"
1161 noconfigdirs="$noconfigdirs gprof target-libgloss"
1164 noconfigdirs="$noconfigdirs gprof target-libgloss"
1167 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1171 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1172 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1173 noconfigdirs="$noconfigdirs ld gas gprof"
1176 noconfigdirs="$noconfigdirs gprof"
1179 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1186 noconfigdirs="$noconfigdirs target-libgloss" ;;
1190 if test x${is_cross_compiler} = xno ; then
1195 noconfigdirs="$noconfigdirs sim"
1197 tilepro*-*-* | tilegx*-*-*)
1198 noconfigdirs="$noconfigdirs sim"
1201 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1204 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1207 noconfigdirs="$noconfigdirs ld"
1211 # If we aren't building newlib, then don't build libgloss, since libgloss
1212 # depends upon some newlib header files.
1213 case "${noconfigdirs}" in
1214 *target-libgloss*) ;;
1215 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1218 # Work in distributions that contain no compiler tools, like Autoconf.
1219 host_makefile_frag=/dev/null
1220 if test -d ${srcdir}/config ; then
1222 i[[3456789]]86-*-msdosdjgpp*)
1223 host_makefile_frag="config/mh-djgpp"
1226 ACX_CHECK_CYGWIN_CAT_WORKS
1227 host_makefile_frag="config/mh-cygwin"
1230 host_makefile_frag="config/mh-mingw"
1233 host_makefile_frag="config/mh-alpha-linux"
1236 host_makefile_frag="config/mh-pa-hpux10"
1239 host_makefile_frag="config/mh-pa"
1242 host_makefile_frag="config/mh-pa"
1245 host_makefile_frag="config/mh-darwin"
1248 host_makefile_frag="config/mh-ppc-aix"
1251 host_makefile_frag="config/mh-ppc-aix"
1256 if test "${build}" != "${host}" ; then
1257 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1258 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1259 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1260 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1261 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1262 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1263 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1264 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1265 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1266 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1267 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1268 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1270 AR_FOR_BUILD="\$(AR)"
1271 AS_FOR_BUILD="\$(AS)"
1272 CC_FOR_BUILD="\$(CC)"
1273 CXX_FOR_BUILD="\$(CXX)"
1274 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1275 GOC_FOR_BUILD="\$(GOC)"
1276 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1277 LD_FOR_BUILD="\$(LD)"
1278 NM_FOR_BUILD="\$(NM)"
1279 RANLIB_FOR_BUILD="\$(RANLIB)"
1280 WINDRES_FOR_BUILD="\$(WINDRES)"
1281 WINDMC_FOR_BUILD="\$(WINDMC)"
1287 # We must set the default linker to the linker used by gcc for the correct
1288 # operation of libtool. If LD is not defined and we are using gcc, try to
1289 # set the LD default to the ld used by gcc.
1290 if test -z "$LD"; then
1291 if test "$GCC" = yes; then
1294 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1296 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1298 case $gcc_prog_ld in
1299 # Accept absolute paths.
1300 [[\\/]* | [A-Za-z]:[\\/]*)]
1301 LD="$gcc_prog_ld" ;;
1306 # Check whether -static-libstdc++ -static-libgcc is supported.
1308 if test "$GCC" = yes; then
1309 saved_LDFLAGS="$LDFLAGS"
1311 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1312 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1314 AC_LINK_IFELSE([AC_LANG_SOURCE([
1315 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1316 #error -static-libstdc++ not implemented
1319 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1320 [AC_MSG_RESULT([no])])
1323 LDFLAGS="$saved_LDFLAGS"
1327 ACX_PROG_CMP_IGNORE_INITIAL
1329 AC_ARG_ENABLE([bootstrap],
1330 [AS_HELP_STRING([--enable-bootstrap],
1331 [enable bootstrapping @<:@yes if native build@:>@])],,
1332 enable_bootstrap=default)
1334 # Issue errors and warnings for invalid/strange bootstrap combinations.
1335 if test -r $srcdir/gcc/configure; then
1341 case "$have_compiler:$host:$target:$enable_bootstrap" in
1344 # Default behavior. Enable bootstrap if we have a compiler
1345 # and we are in a native configuration.
1346 yes:$build:$build:default)
1347 enable_bootstrap=yes ;;
1350 enable_bootstrap=no ;;
1352 # We have a compiler and we are in a native configuration, bootstrap is ok
1353 yes:$build:$build:yes)
1356 # Other configurations, but we have a compiler. Assume the user knows
1359 AC_MSG_WARN([trying to bootstrap a cross compiler])
1362 # No compiler: if they passed --enable-bootstrap explicitly, fail
1364 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1366 # Fail if wrong command line
1368 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1372 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1373 # C++98 compiler can still start the bootstrap.
1374 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1375 CXX="$CXX -std=gnu++98"
1378 # Used for setting $lt_cv_objdir
1381 # Check for GMP, MPFR and MPC
1382 gmplibs="-lmpc -lmpfr -lgmp"
1386 # Check for debuginfod
1389 # Specify a location for mpc
1390 # check for this first so it ends up on the link line before mpfr.
1392 [AS_HELP_STRING([--with-mpc=PATH],
1393 [specify prefix directory for installed MPC package.
1394 Equivalent to --with-mpc-include=PATH/include
1395 plus --with-mpc-lib=PATH/lib])])
1396 AC_ARG_WITH(mpc-include,
1397 [AS_HELP_STRING([--with-mpc-include=PATH],
1398 [specify directory for installed MPC include files])])
1399 AC_ARG_WITH(mpc-lib,
1400 [AS_HELP_STRING([--with-mpc-lib=PATH],
1401 [specify directory for the installed MPC library])])
1403 if test "x$with_mpc" != x; then
1404 gmplibs="-L$with_mpc/lib $gmplibs"
1405 gmpinc="-I$with_mpc/include $gmpinc"
1407 if test "x$with_mpc_include" != x; then
1408 gmpinc="-I$with_mpc_include $gmpinc"
1410 if test "x$with_mpc_lib" != x; then
1411 gmplibs="-L$with_mpc_lib $gmplibs"
1413 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1414 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1415 gmpinc='-I$$s/mpc/src '"$gmpinc"
1416 # Do not test the mpc version. Assume that it is sufficient, since
1417 # it is in the source tree, and the library has not been built yet
1418 # but it would be included on the link line in the version check below
1419 # hence making the test fail.
1423 # Specify a location for mpfr
1424 # check for this first so it ends up on the link line before gmp.
1425 AC_ARG_WITH(mpfr-dir,
1426 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1427 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1428 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1431 [AS_HELP_STRING([--with-mpfr=PATH],
1432 [specify prefix directory for installed MPFR package.
1433 Equivalent to --with-mpfr-include=PATH/include
1434 plus --with-mpfr-lib=PATH/lib])])
1435 AC_ARG_WITH(mpfr-include,
1436 [AS_HELP_STRING([--with-mpfr-include=PATH],
1437 [specify directory for installed MPFR include files])])
1438 AC_ARG_WITH(mpfr-lib,
1439 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1440 [specify directory for the installed MPFR library])])
1442 if test "x$with_mpfr" != x; then
1443 gmplibs="-L$with_mpfr/lib $gmplibs"
1444 gmpinc="-I$with_mpfr/include $gmpinc"
1446 if test "x$with_mpfr_include" != x; then
1447 gmpinc="-I$with_mpfr_include $gmpinc"
1449 if test "x$with_mpfr_lib" != x; then
1450 gmplibs="-L$with_mpfr_lib $gmplibs"
1452 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1453 # MPFR v3.1.0 moved the sources into a src sub-directory.
1454 if ! test -d ${srcdir}/mpfr/src; then
1456 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1458 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1459 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1460 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1461 # Do not test the mpfr version. Assume that it is sufficient, since
1462 # it is in the source tree, and the library has not been built yet
1463 # but it would be included on the link line in the version check below
1464 # hence making the test fail.
1468 # Specify a location for gmp
1469 AC_ARG_WITH(gmp-dir,
1470 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1471 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1472 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1475 [AS_HELP_STRING([--with-gmp=PATH],
1476 [specify prefix directory for the installed GMP package.
1477 Equivalent to --with-gmp-include=PATH/include
1478 plus --with-gmp-lib=PATH/lib])])
1479 AC_ARG_WITH(gmp-include,
1480 [AS_HELP_STRING([--with-gmp-include=PATH],
1481 [specify directory for installed GMP include files])])
1482 AC_ARG_WITH(gmp-lib,
1483 [AS_HELP_STRING([--with-gmp-lib=PATH],
1484 [specify directory for the installed GMP library])])
1487 if test "x$with_gmp" != x; then
1488 gmplibs="-L$with_gmp/lib $gmplibs"
1489 gmpinc="-I$with_gmp/include $gmpinc"
1491 if test "x$with_gmp_include" != x; then
1492 gmpinc="-I$with_gmp_include $gmpinc"
1494 if test "x$with_gmp_lib" != x; then
1495 gmplibs="-L$with_gmp_lib $gmplibs"
1497 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1498 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1499 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1500 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1501 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1502 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1503 # Do not test the gmp version. Assume that it is sufficient, since
1504 # it is in the source tree, and the library has not been built yet
1505 # but it would be included on the link line in the version check below
1506 # hence making the test fail.
1510 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1512 saved_CFLAGS="$CFLAGS"
1513 CFLAGS="$CFLAGS $gmpinc"
1514 # Check for the recommended and required versions of GMP.
1515 AC_MSG_CHECKING([for the correct version of gmp.h])
1516 AC_TRY_COMPILE([#include "gmp.h"],[
1517 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1518 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1519 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1522 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1523 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1524 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1525 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1529 [AC_MSG_RESULT([no]); have_gmp=no])
1531 # If we have GMP, check the MPFR version.
1532 if test x"$have_gmp" = xyes; then
1533 # Check for the recommended and required versions of MPFR.
1534 AC_MSG_CHECKING([for the correct version of mpfr.h])
1535 AC_TRY_COMPILE([#include <gmp.h>
1536 #include <mpfr.h>],[
1537 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1540 ], [AC_TRY_COMPILE([#include <gmp.h>
1541 #include <mpfr.h>],[
1542 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1545 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1546 [AC_MSG_RESULT([no]); have_gmp=no])
1549 # Check for the MPC header version.
1550 if test x"$have_gmp" = xyes ; then
1551 # Check for the recommended and required versions of MPC.
1552 AC_MSG_CHECKING([for the correct version of mpc.h])
1553 AC_TRY_COMPILE([#include <mpc.h>],[
1554 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1557 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1558 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1561 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1562 [AC_MSG_RESULT([no]); have_gmp=no])
1565 # Now check the MPFR library.
1566 if test x"$have_gmp" = xyes; then
1568 LIBS="$LIBS $gmplibs"
1569 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1570 AC_TRY_LINK([#include <mpc.h>],[
1577 mpfr_atan2 (n, n, x, GMP_RNDN);
1578 mpfr_erfc (n, x, GMP_RNDN);
1579 mpfr_subnormalize (x, t, GMP_RNDN);
1583 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1584 mpc_cosh (c, c, MPC_RNDNN);
1585 mpc_pow (c, c, c, MPC_RNDNN);
1586 mpc_acosh (c, c, MPC_RNDNN);
1588 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1592 CFLAGS="$saved_CFLAGS"
1594 # The library versions listed in the error message below should match
1595 # the HARD-minimums enforced above.
1596 if test x$have_gmp != xyes; then
1597 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1598 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1599 their locations. Source code for these libraries can be found at
1600 their respective hosting sites as well as at
1601 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1602 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1603 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1604 make sure that you have installed both the libraries and the header
1605 files. They may be located in separate packages.])
1609 # Flags needed for both GMP, MPFR and/or MPC.
1612 AC_SUBST(extra_mpfr_configure_flags)
1613 AC_SUBST(extra_mpc_gmp_configure_flags)
1614 AC_SUBST(extra_mpc_mpfr_configure_flags)
1615 AC_SUBST(extra_isl_gmp_configure_flags)
1617 # Libraries to use for stage1 or when not bootstrapping.
1618 AC_ARG_WITH(stage1-libs,
1619 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1620 [if test "$withval" = "no" -o "$withval" = "yes"; then
1623 stage1_libs=$withval
1626 AC_SUBST(stage1_libs)
1628 # Whether or not to use -static-libstdc++ and -static-libgcc. The
1629 # default is yes if gcc is being built; no otherwise. The reason for
1630 # this default is that gdb is sometimes linked against GNU Source
1631 # Highlight, which is a shared library that uses C++ exceptions. In
1632 # this case, -static-libstdc++ will cause crashes.
1633 AC_ARG_WITH(static-standard-libraries,
1634 [AS_HELP_STRING([--with-static-standard-libraries],
1635 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1636 [], [with_static_standard_libraries=auto])
1637 if test "$with_static_standard_libraries" = auto; then
1638 with_static_standard_libraries=$have_compiler
1641 # Linker flags to use for stage1 or when not bootstrapping.
1642 AC_ARG_WITH(stage1-ldflags,
1643 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1644 [if test "$withval" = "no" -o "$withval" = "yes"; then
1647 stage1_ldflags=$withval
1650 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1651 # if supported. But if the user explicitly specified the libraries to use,
1652 # trust that they are doing what they want.
1653 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1654 -a "$have_static_libs" = yes; then
1655 stage1_ldflags="-static-libstdc++ -static-libgcc"
1657 AC_SUBST(stage1_ldflags)
1659 # Libraries to use for stage2 and later builds.
1660 AC_ARG_WITH(boot-libs,
1661 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1662 [if test "$withval" = "no" -o "$withval" = "yes"; then
1665 poststage1_libs=$withval
1668 AC_SUBST(poststage1_libs)
1670 # Linker flags to use for stage2 and later builds.
1671 AC_ARG_WITH(boot-ldflags,
1672 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1673 [linker flags for stage2 and later])],
1674 [if test "$withval" = "no" -o "$withval" = "yes"; then
1677 poststage1_ldflags=$withval
1679 [poststage1_ldflags=
1680 # In stages 2 and 3, default to linking libstdc++ and libgcc
1681 # statically. But if the user explicitly specified the libraries to
1682 # use, trust that they are doing what they want.
1683 if test "$poststage1_libs" = ""; then
1684 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1686 AC_SUBST(poststage1_ldflags)
1688 # GCC GRAPHITE dependency isl.
1689 # Basic setup is inlined here, actual checks are in config/isl.m4
1694 [Specify prefix directory for the installed isl package.
1695 Equivalent to --with-isl-include=PATH/include
1696 plus --with-isl-lib=PATH/lib])])
1698 # Treat --without-isl as a request to disable
1699 # GRAPHITE support and skip all following checks.
1700 if test "x$with_isl" != "xno"; then
1702 dnl Provide configure switches and initialize islinc & isllibs
1703 dnl with user input.
1705 dnl The versions of isl that work for Graphite
1707 dnl Only execute fail-action, if isl has been requested.
1709 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1712 # If the isl check failed, disable builds of in-tree variant of isl
1713 if test "x$with_isl" = xno ||
1714 test "x$gcc_cv_isl" = xno; then
1715 noconfigdirs="$noconfigdirs isl"
1722 # Check for LTO support.
1724 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1725 enable_lto=$enableval,
1726 enable_lto=yes; default_enable_lto=yes)
1728 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1729 build_lto_plugin=yes
1730 ],[if test x"$default_enable_lto" = x"yes" ; then
1732 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1733 # On other non-ELF platforms, LTO has yet to be validated.
1737 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1738 # It would also be nice to check the binutils support, but we don't
1739 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1740 # warn during gcc/ subconfigure; unless you're bootstrapping with
1741 # -flto it won't be needed until after installation anyway.
1743 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1744 *) if test x"$enable_lto" = x"yes"; then
1745 AC_MSG_ERROR([LTO support is not enabled for this target.])
1750 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1751 # Build it unless LTO was explicitly disabled.
1753 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1758 AC_ARG_ENABLE(linker-plugin-configure-flags,
1759 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1760 [additional flags for configuring linker plugins @<:@none@:>@])],
1761 extra_linker_plugin_configure_flags=$enableval,
1762 extra_linker_plugin_configure_flags=)
1763 AC_SUBST(extra_linker_plugin_configure_flags)
1764 AC_ARG_ENABLE(linker-plugin-flags,
1765 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1766 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1767 extra_linker_plugin_flags=$enableval,
1768 extra_linker_plugin_flags=)
1769 AC_SUBST(extra_linker_plugin_flags)
1771 # Enable --enable-host-shared.
1772 # Checked early to determine whether jit is an 'all' language
1773 AC_ARG_ENABLE(host-shared,
1774 [AS_HELP_STRING([--enable-host-shared],
1775 [build host code as shared libraries])],
1776 [host_shared=$enableval], [host_shared=no])
1777 AC_SUBST(host_shared)
1779 # By default, C and C++ are the only stage 1 languages.
1780 stage1_languages=,c,
1782 # Target libraries that we bootstrap.
1783 bootstrap_target_libs=,target-libgcc,
1785 # Figure out what language subdirectories are present.
1786 # Look if the user specified --enable-languages="..."; if not, use
1787 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1789 # NB: embedded tabs in this IF block -- do not untabify
1790 if test -d ${srcdir}/gcc; then
1791 if test x"${enable_languages+set}" != xset; then
1792 if test x"${LANGUAGES+set}" = xset; then
1793 enable_languages="${LANGUAGES}"
1794 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1796 enable_languages=default
1799 if test x"${enable_languages}" = x ||
1800 test x"${enable_languages}" = xyes;
1802 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1806 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1808 # 'f95' is the old name for the 'fortran' language. We issue a warning
1809 # and make the substitution.
1810 case ,${enable_languages}, in
1812 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1813 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1817 # If bootstrapping, C++ must be enabled.
1818 case ",$enable_languages,:$enable_bootstrap" in
1821 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1822 enable_languages="${enable_languages},c++"
1824 AC_MSG_ERROR([bootstrapping requires c++ sources])
1829 # First scan to see if an enabled language requires some other language.
1830 # We assume that a given config-lang.in will list all the language
1831 # front ends it requires, even if some are required indirectly.
1832 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1833 case ${lang_frag} in
1835 # The odd quoting in the next line works around
1836 # an apparent bug in bash 1.12 on linux.
1837 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1839 # From the config-lang.in, get $language, $lang_requires, and
1840 # $lang_requires_boot_languages.
1843 lang_requires_boot_languages=
1844 # set srcdir during sourcing lang_frag to the gcc dir.
1845 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1846 # polutes this shell
1847 saved_srcdir=${srcdir}
1848 srcdir=${srcdir}/gcc . ${lang_frag}
1849 srcdir=${saved_srcdir}
1850 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1851 case ,${enable_languages}, in
1856 echo " \`$other' language required by \`$language'; enabling" 1>&2
1857 enable_languages="${enable_languages},${other}"
1861 for other in ${lang_requires_boot_languages} ; do
1862 if test "$other" != "c"; then
1863 case ,${enable_stage1_languages}, in
1868 case ,${enable_languages}, in
1870 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1871 enable_stage1_languages="$enable_stage1_languages,${other}"
1882 new_enable_languages=,c,
1884 # If LTO is enabled, add the LTO front end.
1885 if test "$enable_lto" = "yes" ; then
1886 case ,${enable_languages}, in
1888 *) enable_languages="${enable_languages},lto" ;;
1890 if test "${build_lto_plugin}" = "yes" ; then
1891 configdirs="$configdirs lto-plugin"
1895 # If we're building an offloading compiler, add the LTO front end.
1896 if test x"$enable_as_accelerator_for" != x ; then
1897 case ,${enable_languages}, in
1899 *) enable_languages="${enable_languages},lto" ;;
1903 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1904 potential_languages=,c,
1906 enabled_target_libs=
1907 disabled_target_libs=
1909 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1910 case ${lang_frag} in
1912 # The odd quoting in the next line works around
1913 # an apparent bug in bash 1.12 on linux.
1914 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1916 # From the config-lang.in, get $language, $target_libs,
1917 # $lang_dirs, $boot_language, and $build_by_default
1923 build_by_default=yes
1924 # set srcdir during sourcing. See above about save & restore
1925 saved_srcdir=${srcdir}
1926 srcdir=${srcdir}/gcc . ${lang_frag}
1927 srcdir=${saved_srcdir}
1928 if test x${language} = x; then
1929 echo "${lang_frag} doesn't set \$language." 1>&2
1933 if test "$language" = "c++"; then
1938 # C is always enabled, so no need to add it again
1939 if test "$language" != "c"; then
1940 case ,${enable_languages}, in
1942 # Language was explicitly selected; include it
1946 # All languages are enabled
1950 # 'default' was selected, select it if it is a default language
1951 add_this_lang=${build_by_default}
1956 # Disable languages that need other directories if these aren't available.
1957 for i in $subdir_requires; do
1958 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1959 case ${add_this_lang} in
1961 # Specifically requested language; tell them.
1962 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1965 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1966 add_this_lang=unsupported
1970 add_this_lang=unsupported
1975 # Disable Ada if no preexisting GNAT is available.
1976 case ${add_this_lang}:${language}:${have_gnat} in
1978 # Specifically requested language; tell them.
1979 AC_MSG_ERROR([GNAT is required to build $language])
1982 AC_MSG_WARN([GNAT is required to build $language])
1983 add_this_lang=unsupported
1987 add_this_lang=unsupported
1991 # Disable jit if -enable-host-shared not specified
1992 case ${add_this_lang}:${language}:${host_shared} in
1994 # PR jit/64780: explicitly specify --enable-host-shared
1996 Enabling language "jit" requires --enable-host-shared.
1998 --enable-host-shared typically slows the rest of the compiler down by
1999 a few %, so you must explicitly enable it.
2001 If you want to build both the jit and the regular compiler, it is often
2002 best to do this via two separate configure/builds, in separate
2003 directories, to avoid imposing the performance cost of
2004 --enable-host-shared on the regular compiler.])
2007 AC_MSG_WARN([--enable-host-shared required to build $language])
2008 add_this_lang=unsupported
2012 add_this_lang=unsupported
2016 # Disable a language that is unsupported by the target.
2017 case "${add_this_lang}: $unsupported_languages " in
2021 AC_MSG_WARN([${language} not supported for this target])
2022 add_this_lang=unsupported
2026 case $add_this_lang in
2028 # Remove language-dependent dirs.
2029 disabled_target_libs="$disabled_target_libs $target_libs"
2030 noconfigdirs="$noconfigdirs $lang_dirs"
2033 # Remove language-dependent dirs; still show language as supported.
2034 disabled_target_libs="$disabled_target_libs $target_libs"
2035 noconfigdirs="$noconfigdirs $lang_dirs"
2036 potential_languages="${potential_languages}${language},"
2039 new_enable_languages="${new_enable_languages}${language},"
2040 potential_languages="${potential_languages}${language},"
2041 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2042 enabled_target_libs="$enabled_target_libs $target_libs"
2043 case "${boot_language}:,$enable_stage1_languages," in
2044 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2045 # Add to (comma-separated) list of stage 1 languages.
2046 case ",$stage1_languages," in
2047 *,$language,* | ,yes, | ,all,) ;;
2048 *) stage1_languages="${stage1_languages}${language}," ;;
2050 # We need to bootstrap any supporting libraries.
2051 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2060 # Add target libraries which are only needed for disabled languages
2062 if test -n "$disabled_target_libs"; then
2063 for dir in $disabled_target_libs; do
2064 case " $enabled_target_libs " in
2066 *) noconfigdirs="$noconfigdirs $dir" ;;
2071 AC_ARG_ENABLE(stage1-languages,
2072 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2073 [choose additional languages to build during
2074 stage1. Mostly useful for compiler development])],
2075 [case ,${enable_stage1_languages}, in
2077 # Set it to something that will have no effect in the loop below
2078 enable_stage1_languages=c ;;
2080 enable_stage1_languages=`echo $new_enable_languages | \
2081 sed -e "s/^,//" -e "s/,$//" ` ;;
2083 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2084 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2087 # Add "good" languages from enable_stage1_languages to stage1_languages,
2088 # while "bad" languages go in missing_languages. Leave no duplicates.
2089 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2090 case $potential_languages in
2092 case $stage1_languages in
2094 *) stage1_languages="$stage1_languages$i," ;;
2097 case $missing_languages in
2099 *) missing_languages="$missing_languages$i," ;;
2104 # Remove leading/trailing commas that were added for simplicity
2105 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2106 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2107 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2108 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2110 if test "x$missing_languages" != x; then
2112 The following requested languages could not be built: ${missing_languages}
2113 Supported languages are: ${potential_languages}])
2115 if test "x$new_enable_languages" != "x$enable_languages"; then
2116 echo The following languages will be built: ${new_enable_languages}
2117 enable_languages="$new_enable_languages"
2120 AC_SUBST(stage1_languages)
2121 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2124 # Handle --disable-<component> generically.
2125 for dir in $configdirs $build_configdirs $target_configdirs ; do
2126 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2127 varname=`echo $dirname | sed -e s/+/_/g`
2128 if eval test x\${enable_${varname}} "=" xno ; then
2129 noconfigdirs="$noconfigdirs $dir"
2133 # Check for Boehm's garbage collector
2134 AC_ARG_ENABLE(objc-gc,
2135 [AS_HELP_STRING([--enable-objc-gc],
2136 [enable use of Boehm's garbage collector with the
2137 GNU Objective-C runtime])])
2138 AC_ARG_WITH([target-bdw-gc],
2139 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2140 [specify prefix directory for installed bdw-gc package.
2141 Equivalent to --with-target-bdw-gc-include=PATH/include
2142 plus --with-target-bdw-gc-lib=PATH/lib])])
2143 AC_ARG_WITH([target-bdw-gc-include],
2144 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2145 [specify directories for installed bdw-gc include files])])
2146 AC_ARG_WITH([target-bdw-gc-lib],
2147 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2148 [specify directories for installed bdw-gc library])])
2150 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2151 AC_MSG_CHECKING([for bdw garbage collector])
2152 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2153 dnl no bdw-gw options, assume default locations
2154 AC_MSG_RESULT([using bdw-gc in default locations])
2156 dnl bdw-gw options, first error checking, complete checking in libobjc
2157 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2158 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2159 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2160 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2162 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2167 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2168 case ,${enable_languages}, in
2170 # Disable libitm, libsanitizer if we're not building libstdc++
2171 case "${noconfigdirs}" in
2172 *target-libstdc++-v3*)
2173 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2179 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2183 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2184 # $build_configdirs and $target_configdirs.
2185 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2188 for dir in . $skipdirs $noconfigdirs ; do
2189 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2190 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2191 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2192 if test -r $srcdir/$dirname/configure ; then
2193 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2196 notsupp="$notsupp $dir"
2200 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2202 if test -r $srcdir/$dirname/configure ; then
2203 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2206 notsupp="$notsupp $dir"
2210 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2211 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2212 if test -r $srcdir/$dirname/configure ; then
2213 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2216 notsupp="$notsupp $dir"
2222 # Quietly strip out all directories which aren't configurable in this tree.
2223 # This relies on all configurable subdirectories being autoconfiscated, which
2225 build_configdirs_all="$build_configdirs"
2227 for i in ${build_configdirs_all} ; do
2228 j=`echo $i | sed -e s/build-//g`
2229 if test -f ${srcdir}/$j/configure ; then
2230 build_configdirs="${build_configdirs} $i"
2234 configdirs_all="$configdirs"
2236 for i in ${configdirs_all} ; do
2237 if test -f ${srcdir}/$i/configure ; then
2238 configdirs="${configdirs} $i"
2242 target_configdirs_all="$target_configdirs"
2244 for i in ${target_configdirs_all} ; do
2245 j=`echo $i | sed -e s/target-//g`
2246 if test -f ${srcdir}/$j/configure ; then
2247 target_configdirs="${target_configdirs} $i"
2251 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2252 # so we have to add it after the preceding checks.
2253 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2255 case " $configdirs " in
2257 # If we can build libiberty, we can also build libiberty-linker-plugin.
2258 configdirs="$configdirs libiberty-linker-plugin"
2259 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2260 --with-libiberty=../libiberty-linker-plugin";;
2262 AC_MSG_ERROR([libiberty missing]);;
2266 # Sometimes we have special requirements for the host libiberty.
2267 extra_host_libiberty_configure_flags=
2268 extra_host_zlib_configure_flags=
2269 case " $configdirs " in
2270 *" lto-plugin "* | *" libcc1 "*)
2271 # When these are to be built as shared libraries, the same applies to
2273 extra_host_libiberty_configure_flags=--enable-shared
2276 # When bfd is to be built as a shared library, the same applies to
2278 if test "$enable_shared" = "yes"; then
2279 extra_host_zlib_configure_flags=--enable-host-shared
2283 AC_SUBST(extra_host_libiberty_configure_flags)
2284 AC_SUBST(extra_host_zlib_configure_flags)
2286 # Produce a warning message for the subdirs we can't configure.
2287 # This isn't especially interesting in the Cygnus tree, but in the individual
2288 # FSF releases, it's important to let people know when their machine isn't
2289 # supported by the one or two programs in a package.
2291 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2292 # If $appdirs is non-empty, at least one of those directories must still
2293 # be configured, or we error out. (E.g., if the gas release supports a
2294 # specified target in some subdirs but not the gas subdir, we shouldn't
2295 # pretend that all is well.)
2296 if test -n "$appdirs" ; then
2297 for dir in $appdirs ; do
2298 if test -r $dir/Makefile.in ; then
2299 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2303 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2309 if test -n "$appdirs" ; then
2310 echo "*** This configuration is not supported by this package." 1>&2
2314 # Okay, some application will build, or we don't care to check. Still
2315 # notify of subdirs not getting built.
2316 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2317 echo " ${notsupp}" 1>&2
2318 echo " (Any other directories should still work fine.)" 1>&2
2326 # To find our prefix, in gcc_cv_tool_prefix.
2331 AC_ARG_WITH([build-sysroot],
2332 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2333 [use sysroot as the system root during the build])],
2334 [if test x"$withval" != x ; then
2335 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2337 [SYSROOT_CFLAGS_FOR_TARGET=])
2338 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2340 AC_ARG_WITH([debug-prefix-map],
2341 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2342 [map A to B, C to D ... in debug information])],
2343 [if test x"$withval" != x; then
2344 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2345 for debug_map in $withval; do
2346 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2349 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2350 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2352 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2353 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2354 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2355 # We want to ensure that TARGET libraries (which we know are built with
2356 # gcc) are built with "-O2 -g", so include those options when setting
2357 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2358 if test "x$CFLAGS_FOR_TARGET" = x; then
2359 if test "x${is_cross_compiler}" = xyes; then
2360 CFLAGS_FOR_TARGET="-g -O2"
2362 CFLAGS_FOR_TARGET=$CFLAGS
2365 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2368 *" -g "* | *" -g3 "*) ;;
2369 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2373 AC_SUBST(CFLAGS_FOR_TARGET)
2375 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2376 if test "x${is_cross_compiler}" = xyes; then
2377 CXXFLAGS_FOR_TARGET="-g -O2"
2379 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2380 case " $CXXFLAGS " in
2382 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2384 case " $CXXFLAGS " in
2385 *" -g "* | *" -g3 "*) ;;
2386 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2390 AC_SUBST(CXXFLAGS_FOR_TARGET)
2392 AC_SUBST(LDFLAGS_FOR_TARGET)
2394 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2395 # the named directory are copied to $(tooldir)/sys-include.
2396 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2397 if test x${is_cross_compiler} = xno ; then
2398 echo 1>&2 '***' --with-headers is only supported when cross compiling
2401 if test x"${with_headers}" != xyes ; then
2402 x=${gcc_cv_tool_prefix}
2403 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2407 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2408 # the name directories are copied to $(tooldir)/lib. Multiple directories
2410 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2411 if test x${is_cross_compiler} = xno ; then
2412 echo 1>&2 '***' --with-libs is only supported when cross compiling
2415 if test x"${with_libs}" != xyes ; then
2416 # Copy the libraries in reverse order, so that files in the first named
2417 # library override files in subsequent libraries.
2418 x=${gcc_cv_tool_prefix}
2419 for l in ${with_libs}; do
2420 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2425 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2427 # This is done by determining whether or not the appropriate directory
2428 # is available, and by checking whether or not specific configurations
2429 # have requested that this magic not happen.
2431 # The command line options always override the explicit settings in
2432 # configure.ac, and the settings in configure.ac override this magic.
2434 # If the default for a toolchain is to use GNU as and ld, and you don't
2435 # want to do that, then you should use the --without-gnu-as and
2436 # --without-gnu-ld options for the configure script. Similarly, if
2437 # the default is to use the included zlib and you don't want to do that,
2438 # you should use the --with-system-zlib option for the configure script.
2440 if test x${use_gnu_as} = x &&
2441 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2443 extra_host_args="$extra_host_args --with-gnu-as"
2446 if test x${use_gnu_ld} = x &&
2447 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2449 extra_host_args="$extra_host_args --with-gnu-ld"
2452 if test x${use_included_zlib} = x &&
2453 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2456 with_system_zlib=yes
2457 extra_host_args="$extra_host_args --with-system-zlib"
2460 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2461 # can detect this case.
2463 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2465 extra_host_args="$extra_host_args --with-newlib"
2468 # Handle ${copy_dirs}
2469 set fnord ${copy_dirs}
2471 while test $# != 0 ; do
2472 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2475 echo Copying $1 to $2
2477 # Use the install script to create the directory and all required
2478 # parent directories.
2479 if test -d $2 ; then
2483 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2486 # Copy the directory, assuming we have tar.
2487 # FIXME: Should we use B in the second tar? Not all systems support it.
2488 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2490 # It is the responsibility of the user to correctly adjust all
2491 # symlinks. If somebody can figure out how to handle them correctly
2492 # here, feel free to add the code.
2499 # Determine a target-dependent exec_prefix that the installed
2500 # gcc will search in. Keep this list sorted by triplet, with
2501 # the *-*-osname triplets last.
2504 i[[34567]]86-pc-msdosdjgpp*)
2505 md_exec_prefix=/dev/env/DJDIR/bin
2510 md_exec_prefix=/usr/ccs/bin
2514 extra_arflags_for_target=
2515 extra_nmflags_for_target=
2516 extra_ranlibflags_for_target=
2517 target_makefile_frag=/dev/null
2520 target_makefile_frag="config/mt-spu"
2522 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2523 target_makefile_frag="config/mt-sde"
2525 mipsisa*-*-elfoabi*)
2526 target_makefile_frag="config/mt-mips-elfoabi"
2528 mips*-*-*linux* | mips*-*-gnu*)
2529 target_makefile_frag="config/mt-mips-gnu"
2532 target_makefile_frag="config/mt-nios2-elf"
2535 target_makefile_frag="config/mt-android"
2537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2538 target_makefile_frag="config/mt-gnu"
2540 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2541 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2542 # commands to handle both 32-bit and 64-bit objects. These flags are
2543 # harmless if we're using GNU nm or ar.
2544 extra_arflags_for_target=" -X32_64"
2545 extra_nmflags_for_target=" -B -X32_64"
2549 alphaieee_frag=/dev/null
2552 # This just makes sure to use the -mieee option to build target libs.
2553 # This should probably be set individually by each library.
2554 alphaieee_frag="config/mt-alphaieee"
2558 # If --enable-target-optspace always use -Os instead of -O2 to build
2559 # the target libraries, similarly if it is not specified, use -Os
2560 # on selected platforms.
2561 ospace_frag=/dev/null
2562 case "${enable_target_optspace}:${target}" in
2564 ospace_frag="config/mt-ospace"
2567 ospace_frag="config/mt-d30v"
2569 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2570 ospace_frag="config/mt-ospace"
2575 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2579 # Some systems (e.g., one of the i386-aix systems the gas testers are
2580 # using) don't handle "\$" correctly, so don't use it here.
2581 tooldir='${exec_prefix}'/${target_noncanonical}
2582 build_tooldir=${tooldir}
2584 # Create a .gdbinit file which runs the one in srcdir
2585 # and tells GDB to look there for source files.
2587 if test -r ${srcdir}/.gdbinit ; then
2590 *) cat > ./.gdbinit <<EOF
2594 source ${srcdir}/.gdbinit
2600 # Make sure that the compiler is able to generate an executable. If it
2601 # can't, we are probably in trouble. We don't care whether we can run the
2602 # executable--we might be using a cross compiler--we only care whether it
2603 # can be created. At this point the main configure script has set CC.
2605 echo "int main () { return 0; }" > conftest.c
2606 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2607 if test $? = 0 ; then
2608 if test -s conftest || test -s conftest.exe ; then
2614 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2615 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2622 # Decide which environment variable is used to find dynamic libraries.
2624 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2625 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2626 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2627 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2630 # On systems where the dynamic library environment variable is PATH,
2631 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2632 # built executables to PATH.
2633 if test "$RPATH_ENVVAR" = PATH; then
2634 GCC_SHLIB_SUBDIR=/shlib
2639 # Adjust the toplevel makefile according to whether bootstrap was selected.
2640 case $enable_bootstrap in
2642 bootstrap_suffix=bootstrap
2643 BUILD_CONFIG=bootstrap-debug
2646 bootstrap_suffix=no-bootstrap
2651 AC_MSG_CHECKING(for default BUILD_CONFIG)
2653 AC_ARG_WITH([build-config],
2654 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2655 [use config/NAME.mk build configuration])],
2656 [case $with_build_config in
2657 yes) with_build_config= ;;
2658 no) with_build_config= BUILD_CONFIG= ;;
2661 if test "x${with_build_config}" != x; then
2662 BUILD_CONFIG=$with_build_config
2664 case $BUILD_CONFIG in
2666 if echo "int f (void) { return 0; }" > conftest.c &&
2667 ${CC} -c conftest.c &&
2668 mv conftest.o conftest.o.g0 &&
2669 ${CC} -c -g conftest.c &&
2670 mv conftest.o conftest.o.g &&
2671 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2676 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2680 AC_MSG_RESULT($BUILD_CONFIG)
2681 AC_SUBST(BUILD_CONFIG)
2683 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2684 AC_MSG_CHECKING([for --enable-vtable-verify])
2685 AC_ARG_ENABLE(vtable-verify,
2686 [AS_HELP_STRING([--enable-vtable-verify],
2687 [Enable vtable verification feature])],
2688 [case "$enableval" in
2689 yes) enable_vtable_verify=yes ;;
2690 no) enable_vtable_verify=no ;;
2691 *) enable_vtable_verify=no;;
2693 [enable_vtable_verify=no])
2694 AC_MSG_RESULT($enable_vtable_verify)
2696 # Record target_configdirs and the configure arguments for target and
2697 # build configuration in Makefile.
2698 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2699 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2700 bootstrap_fixincludes=no
2702 # If we are building libgomp, bootstrap it.
2703 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2704 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2707 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2708 # or bootstrap-ubsan, bootstrap it.
2709 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2710 case "$BUILD_CONFIG" in
2711 *bootstrap-asan* | *bootstrap-ubsan* )
2712 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2713 bootstrap_fixincludes=yes
2718 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2719 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2720 test "$enable_vtable_verify" != no; then
2721 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2724 # Determine whether gdb needs tk/tcl or not.
2725 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2726 # and in that case we want gdb to be built without tk. Ugh!
2727 # In fact I believe gdb is the *only* package directly dependent on tk,
2728 # so we should be able to put the 'maybe's in unconditionally and
2729 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2730 # 100% sure that that's safe though.
2732 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2733 case "$enable_gdbtk" in
2737 GDB_TK="${gdb_tk}" ;;
2739 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2740 # distro. Eventually someone will fix this and move Insight, nee
2741 # gdbtk to a separate directory.
2742 if test -d ${srcdir}/gdb/gdbtk ; then
2749 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2750 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2752 # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
2753 # else does, only include them if one of these is built. The Makefile
2754 # provides the ordering, so it's enough here to add to the list.
2755 case " ${configdirs} " in
2757 configdirs="${configdirs} gnulib gdbsupport"
2760 configdirs="${configdirs} gnulib gdbsupport"
2764 # Strip out unwanted targets.
2766 # While at that, we remove Makefiles if we were started for recursive
2767 # configuration, so that the top-level Makefile reconfigures them,
2768 # like we used to do when configure itself was recursive.
2770 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2771 # but now we're fixing up the Makefile ourselves with the additional
2772 # commands passed to AC_CONFIG_FILES. Use separate variables
2773 # extrasub-{build,host,target} not because there is any reason to split
2774 # the substitutions up that way, but only to remain below the limit of
2775 # 99 commands in a script, for HP-UX sed.
2777 # Do not nest @if/@endif or @unless/@endunless pairs, because
2778 # configure will not warn you at all.
2780 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2781 yes:yes:*\ gold\ *:*,c++,*) ;;
2782 yes:yes:*\ gold\ *:*)
2783 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2788 for module in ${build_configdirs} ; do
2789 if test -z "${no_recursion}" \
2790 && test -f ${build_subdir}/${module}/Makefile; then
2791 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2792 rm -f ${build_subdir}/${module}/Makefile
2794 extrasub_build="$extrasub_build
2795 /^@if build-$module\$/d
2796 /^@endif build-$module\$/d
2797 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2798 /^@if build-$module-$bootstrap_suffix\$/d
2799 /^@endif build-$module-$bootstrap_suffix\$/d
2800 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2803 for module in ${configdirs} ; do
2804 if test -z "${no_recursion}"; then
2805 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2806 if test -f ${file}; then
2807 echo 1>&2 "*** removing ${file} to force reconfigure"
2812 case ${module},${bootstrap_fixincludes} in
2813 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2814 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2816 extrasub_host="$extrasub_host
2818 /^@endif $module\$/d
2819 /^@unless $module\$/,/^@endunless $module\$/d
2820 /^@if $module-$host_bootstrap_suffix\$/d
2821 /^@endif $module-$host_bootstrap_suffix\$/d
2822 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2825 for module in ${target_configdirs} ; do
2826 if test -z "${no_recursion}" \
2827 && test -f ${target_subdir}/${module}/Makefile; then
2828 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2829 rm -f ${target_subdir}/${module}/Makefile
2832 # We only bootstrap target libraries listed in bootstrap_target_libs.
2833 case $bootstrap_target_libs in
2834 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2835 *) target_bootstrap_suffix=no-bootstrap ;;
2838 extrasub_target="$extrasub_target
2839 /^@if target-$module\$/d
2840 /^@endif target-$module\$/d
2841 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2842 /^@if target-$module-$target_bootstrap_suffix\$/d
2843 /^@endif target-$module-$target_bootstrap_suffix\$/d
2844 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2847 # Do the final fixup along with target modules.
2848 extrasub_target="$extrasub_target
2853 # Create the serialization dependencies. This uses a temporary file.
2855 AC_ARG_ENABLE([serial-configure],
2856 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2857 [force sequential configuration of
2858 sub-packages for the host, target or build
2859 machine, or all sub-packages])])
2861 case ${enable_serial_configure} in
2863 enable_serial_build_configure=yes
2864 enable_serial_host_configure=yes
2865 enable_serial_target_configure=yes
2869 # These force 'configure's to be done one at a time, to avoid problems
2870 # with contention over a shared config.cache.
2872 echo '# serdep.tmp' > serdep.tmp
2874 test "x${enable_serial_build_configure}" = xyes &&
2875 for item in ${build_configdirs} ; do
2878 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2883 test "x${enable_serial_host_configure}" = xyes &&
2884 for item in ${configdirs} ; do
2887 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2892 test "x${enable_serial_target_configure}" = xyes &&
2893 for item in ${target_configdirs} ; do
2896 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2900 serialization_dependencies=serdep.tmp
2901 AC_SUBST_FILE(serialization_dependencies)
2903 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2904 # target, nonopt, and variable assignments. These are the ones we
2905 # might not want to pass down to subconfigures. The exception being
2906 # --cache-file=/dev/null, which is used to turn off the use of cache
2907 # files altogether, and which should be passed on to subconfigures.
2908 # Also strip program-prefix, program-suffix, and program-transform-name,
2909 # so that we can pass down a consistent program-transform-name.
2914 eval "set -- $ac_configure_args"
2917 if test X"$skip_next" = X"yes"; then
2921 if test X"$keep_next" = X"yes"; then
2924 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2926 baseargs="$baseargs '$ac_arg'"
2927 tbaseargs="$tbaseargs '$ac_arg'"
2932 # Handle separated arguments. Based on the logic generated by
2935 *=* | --config-cache | -C | -disable-* | --disable-* \
2936 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2937 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2938 | -with-* | --with-* | -without-* | --without-* | --x)
2952 --with-* | --without-*)
2953 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2957 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2960 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2969 mpc | mpfr | gmp | isl)
2970 # If we're processing --with-$lib, --with-$lib-include or
2971 # --with-$lib-lib, for one of the libs above, and target is
2972 # different from host, don't pass the current argument to any
2973 # target library's configure.
2974 if test x$is_cross_compiler = xyes; then
2983 --cache-file=/dev/null | \
2984 -cache-file=/dev/null )
2985 # Handled here to avoid the test to skip args below.
2986 baseargs="$baseargs '$ac_arg'"
2987 tbaseargs="$tbaseargs '$ac_arg'"
2988 # Assert: $separate_arg should always be no.
2989 keep_next=$separate_arg
3005 -program-prefix* | \
3006 -program-suffix* | \
3007 -program-transform-name* )
3008 skip_next=$separate_arg
3012 # An option. Add it.
3015 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3017 baseargs="$baseargs '$ac_arg'"
3018 if test X"$skip_targ" = Xno; then
3019 tbaseargs="$tbaseargs '$ac_arg'"
3021 keep_next=$separate_arg
3024 # Either a variable assignment, or a nonopt (triplet). Don't
3025 # pass it down; let the Makefile handle this.
3030 # Remove the initial space we just introduced and, as these will be
3031 # expanded by make, quote '$'.
3032 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3034 # Add in --program-transform-name, after --program-prefix and
3035 # --program-suffix have been applied to it. Autoconf has already
3036 # doubled dollar signs and backslashes in program_transform_name; we want
3037 # the backslashes un-doubled, and then the entire thing wrapped in single
3038 # quotes, because this will be expanded first by make and then by the shell.
3039 # Also, because we want to override the logic in subdir configure scripts to
3040 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3041 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3042 ${program_transform_name}
3044 gcc_transform_name=`cat conftestsed.out`
3045 rm -f conftestsed.out
3046 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3047 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3048 if test "$silent" = yes; then
3049 baseargs="$baseargs --silent"
3050 tbaseargs="$tbaseargs --silent"
3052 baseargs="$baseargs --disable-option-checking"
3053 tbaseargs="$tbaseargs --disable-option-checking"
3055 # Record and document user additions to sub configure arguments.
3056 AC_ARG_VAR([build_configargs],
3057 [additional configure arguments for build directories])
3058 AC_ARG_VAR([host_configargs],
3059 [additional configure arguments for host directories])
3060 AC_ARG_VAR([target_configargs],
3061 [additional configure arguments for target directories])
3063 # For the build-side libraries, we just need to pretend we're native,
3064 # and not use the same cache file. Multilibs are neither needed nor
3065 # desired. We can't even use the same cache file for all build-side
3066 # libraries, as they're compiled differently; some with C, some with
3067 # C++ or with different feature-enabling options.
3068 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3070 # For host modules, accept cache file option, or specification as blank.
3071 case "${cache_file}" in
3073 cache_file_option="" ;;
3074 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3075 cache_file_option="--cache-file=${cache_file}" ;;
3077 cache_file_option="--cache-file=../${cache_file}" ;;
3080 # Host dirs don't like to share a cache file either, horribly enough.
3081 # This seems to be due to autoconf 2.5x stupidity.
3082 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3084 target_configargs="$target_configargs ${tbaseargs}"
3086 # Passing a --with-cross-host argument lets the target libraries know
3087 # whether they are being built with a cross-compiler or being built
3088 # native. However, it would be better to use other mechanisms to make the
3089 # sorts of decisions they want to make on this basis. Please consider
3090 # this option to be deprecated. FIXME.
3091 if test x${is_cross_compiler} = xyes ; then
3092 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3095 # Special user-friendly check for native x86_64-linux build, if
3096 # multilib is not explicitly enabled.
3097 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3098 x86_64-*linux*:yes:$build:$build:)
3099 # Make sure we have a development environment that handles 32-bit
3101 echo "int main () { return 0; }" > conftest.c
3102 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3103 if test $? = 0 ; then
3104 if test -s conftest || test -s conftest.exe ; then
3109 if test x${dev64} != xyes ; then
3110 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.])
3115 # Default to --enable-multilib.
3116 if test x${enable_multilib} = x ; then
3117 target_configargs="--enable-multilib ${target_configargs}"
3120 # Pass --with-newlib if appropriate. Note that target_configdirs has
3121 # changed from the earlier setting of with_newlib.
3122 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3123 target_configargs="--with-newlib ${target_configargs}"
3126 # Different target subdirs use different values of certain variables
3127 # (notably CXX). Worse, multilibs use *lots* of different values.
3128 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3129 # it doesn't automatically accept command-line overrides of them.
3130 # This means it's not safe for target subdirs to share a cache file,
3131 # which is disgusting, but there you have it. Hopefully this can be
3132 # fixed in future. It's still worthwhile to use a cache file for each
3133 # directory. I think.
3135 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3136 # We need to pass --target, as newer autoconf's requires consistency
3137 # for target_alias and gcc doesn't manage it consistently.
3138 target_configargs="--cache-file=./config.cache ${target_configargs}"
3141 case " $target_configdirs " in
3143 case " $target_configargs " in
3144 *" --with-newlib "*)
3147 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3151 # If we're not building GCC, don't discard standard headers.
3152 if test -d ${srcdir}/gcc; then
3153 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3155 if test "${build}" != "${host}"; then
3156 # On Canadian crosses, CC_FOR_TARGET will have already been set
3157 # by `configure', so we won't have an opportunity to add -Bgcc/
3158 # to it. This is right: we don't want to search that directory
3159 # for binaries, but we want the header files in there, so add
3161 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3163 # Someone might think of using the pre-installed headers on
3164 # Canadian crosses, in case the installed compiler is not fully
3165 # compatible with the compiler being built. In this case, it
3166 # would be better to flag an error than risking having
3167 # incompatible object files being constructed. We can't
3168 # guarantee that an error will be flagged, but let's hope the
3169 # compiler will do it, when presented with incompatible header
3174 case "${target}-${is_cross_compiler}" in
3175 i[[3456789]]86-*-linux*-no)
3176 # Here host == target, so we don't need to build gcc,
3177 # so we don't want to discard standard headers.
3178 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3181 # If we're building newlib, use its generic headers last, but search
3182 # for any libc-related directories first (so make it the last -B
3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3186 # If we're building libgloss, find the startup file, simulator library
3187 # and linker script.
3188 case " $target_configdirs " in
3190 # Look for startup file, simulator library and maybe linker script.
3191 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3192 # Look for libnosys.a in case the target needs it.
3193 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3194 # Most targets have the linker script in the source directory.
3195 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3206 x86_64-*mingw* | *-w64-mingw*)
3207 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3208 # however, use a symlink named 'mingw' in ${prefix} .
3209 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3212 # MinGW can't be handled as Cygwin above since it does not use newlib.
3213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3217 # Allow the user to override the flags for
3218 # our build compiler if desired.
3219 if test x"${build}" = x"${host}" ; then
3220 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3221 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3222 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3225 # On Canadian crosses, we'll be searching the right directories for
3226 # the previously-installed cross compiler, so don't bother to add
3227 # flags for directories within the install tree of the compiler
3228 # being built; programs in there won't even run.
3229 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3230 # Search for pre-installed headers if nothing else fits.
3231 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3234 if test "x${use_gnu_ld}" = x &&
3235 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3236 # Arrange for us to find uninstalled linker scripts.
3237 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3240 # Search for other target-specific linker scripts and such.
3243 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3247 # Makefile fragments.
3248 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3250 eval fragval=\$$frag
3251 if test $fragval != /dev/null; then
3252 eval $frag=${srcdir}/$fragval
3255 AC_SUBST_FILE(host_makefile_frag)
3256 AC_SUBST_FILE(target_makefile_frag)
3257 AC_SUBST_FILE(alphaieee_frag)
3258 AC_SUBST_FILE(ospace_frag)
3260 # Miscellanea: directories, flags, etc.
3261 AC_SUBST(RPATH_ENVVAR)
3262 AC_SUBST(GCC_SHLIB_SUBDIR)
3264 AC_SUBST(build_tooldir)
3265 AC_SUBST(CONFIGURE_GDB_TK)
3267 AC_SUBST(INSTALL_GDB_TK)
3269 # Build module lists & subconfigure args.
3270 AC_SUBST(build_configargs)
3271 AC_SUBST(build_configdirs)
3273 # Host module lists & subconfigure args.
3274 AC_SUBST(host_configargs)
3275 AC_SUBST(configdirs)
3276 AC_SUBST(target_configdirs)
3278 # Target module lists & subconfigure args.
3279 AC_SUBST(target_configargs)
3283 AC_SUBST(AR_FOR_BUILD)
3284 AC_SUBST(AS_FOR_BUILD)
3285 AC_SUBST(CC_FOR_BUILD)
3286 AC_SUBST(CFLAGS_FOR_BUILD)
3287 AC_SUBST(CXXFLAGS_FOR_BUILD)
3288 AC_SUBST(CXX_FOR_BUILD)
3289 AC_SUBST(DLLTOOL_FOR_BUILD)
3290 AC_SUBST(GFORTRAN_FOR_BUILD)
3291 AC_SUBST(GOC_FOR_BUILD)
3292 AC_SUBST(LDFLAGS_FOR_BUILD)
3293 AC_SUBST(LD_FOR_BUILD)
3294 AC_SUBST(NM_FOR_BUILD)
3295 AC_SUBST(RANLIB_FOR_BUILD)
3296 AC_SUBST(WINDMC_FOR_BUILD)
3297 AC_SUBST(WINDRES_FOR_BUILD)
3299 # Generate default definitions for YACC, M4, LEX and other programs that run
3300 # on the build machine. These are used if the Makefile can't locate these
3301 # programs in objdir.
3302 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3304 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3305 case " $build_configdirs " in
3306 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3309 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3310 case " $build_configdirs " in
3311 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3314 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3315 case " $build_configdirs " in
3316 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3319 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3320 case " $build_configdirs " in
3321 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3322 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3325 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3326 case " $build_configdirs " in
3327 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3330 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3331 case " $build_configdirs " in
3332 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3335 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3336 # higher, else we use the "missing" dummy.
3337 if ${MAKEINFO} --version \
3338 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3341 MAKEINFO="$MISSING makeinfo"
3347 # FIXME: expect and dejagnu may become build tools?
3349 AC_CHECK_PROGS(EXPECT, expect, expect)
3350 case " $configdirs " in
3352 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3356 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3357 case " $configdirs " in
3359 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3365 NCN_STRICT_CHECK_TOOLS(AR, ar)
3366 NCN_STRICT_CHECK_TOOLS(AS, as)
3367 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3368 NCN_STRICT_CHECK_TOOLS(LD, ld)
3369 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3370 NCN_STRICT_CHECK_TOOLS(NM, nm)
3371 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3372 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3373 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3374 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3375 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3376 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3377 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3384 AC_ARG_WITH([build-time-tools],
3385 [AS_HELP_STRING([--with-build-time-tools=PATH],
3386 [use given path to find target tools during the build])],
3387 [case x"$withval" in
3390 with_build_time_tools=
3391 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3394 [with_build_time_tools=])
3396 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3397 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3398 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3399 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3400 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3402 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3403 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3404 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3405 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3406 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3407 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3408 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3409 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3410 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3411 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3412 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3413 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3414 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3416 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3418 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3419 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3420 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3421 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3422 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3423 [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],
3425 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3426 [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],
3428 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3429 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3430 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3431 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3432 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3433 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3434 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3435 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3436 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3437 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3438 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3439 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3440 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3441 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3442 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3443 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3445 AC_SUBST(FLAGS_FOR_TARGET)
3446 AC_SUBST(RAW_CXX_FOR_TARGET)
3448 # Certain tools may need extra flags.
3449 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3450 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3451 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3453 # When building target libraries, except in a Canadian cross, we use
3454 # the same toolchain as the compiler we just built.
3455 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3456 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3457 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3458 if test $host = $build; then
3459 case " $configdirs " in
3461 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3462 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3463 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3468 AC_SUBST(COMPILER_AS_FOR_TARGET)
3469 AC_SUBST(COMPILER_LD_FOR_TARGET)
3470 AC_SUBST(COMPILER_NM_FOR_TARGET)
3472 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3473 AC_ARG_ENABLE(maintainer-mode,
3474 [AS_HELP_STRING([--enable-maintainer-mode],
3475 [enable make rules and dependencies not useful
3476 (and sometimes confusing) to the casual installer])],
3477 USE_MAINTAINER_MODE=$enableval,
3478 USE_MAINTAINER_MODE=no)
3479 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3480 AC_SUBST(MAINTAINER_MODE_TRUE)
3481 AC_SUBST(MAINTAINER_MODE_FALSE)
3482 if test "$USE_MAINTAINER_MODE" = yes; then
3483 MAINTAINER_MODE_TRUE=
3484 MAINTAINER_MODE_FALSE='#'
3486 MAINTAINER_MODE_TRUE='#'
3487 MAINTAINER_MODE_FALSE=
3489 MAINT=$MAINTAINER_MODE_TRUE
3492 # ---------------------
3493 # GCC bootstrap support
3494 # ---------------------
3496 # Stage specific cflags for build.
3501 yes) stage1_cflags="-g -Wa,-J" ;;
3502 *) stage1_cflags="-g -J" ;;
3506 AC_SUBST(stage1_cflags)
3508 # Enable --enable-checking in stage1 of the compiler.
3509 AC_ARG_ENABLE(stage1-checking,
3510 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3511 [choose additional checking for stage1 of the compiler])],
3512 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3513 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3514 # For --disable-checking or implicit --enable-checking=release, avoid
3515 # setting --enable-checking=gc in the default stage1 checking for LTO
3516 # bootstraps. See PR62077.
3517 case $BUILD_CONFIG in
3519 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3521 stage1_checking=--enable-checking=yes,types;;
3523 if test "x$enable_checking" = x && \
3524 test -d ${srcdir}/gcc && \
3525 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3526 stage1_checking=--enable-checking=yes,types,extra
3529 stage1_checking=--enable-checking=$enable_checking,types
3531 AC_SUBST(stage1_checking)
3533 # Enable -Werror in bootstrap stage2 and later.
3534 AC_ARG_ENABLE(werror,
3535 [AS_HELP_STRING([--enable-werror],
3536 [enable -Werror in bootstrap stage2 and later])],
3538 case ${enable_werror} in
3539 yes) stage2_werror_flag="--enable-werror-always" ;;
3540 *) stage2_werror_flag="" ;;
3544 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3545 case $BUILD_CONFIG in
3547 stage2_werror_flag="--enable-werror-always" ;;
3549 stage2_werror_flag="--enable-werror-always" ;;
3554 AC_SUBST(stage2_werror_flag)
3556 # Specify what files to not compare during bootstrap.
3558 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3560 hppa*64*-*-hpux*) ;;
3561 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3562 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3564 AC_SUBST(compare_exclusions)
3566 AC_CONFIG_FILES([Makefile],
3567 [sed "$extrasub_build" Makefile |
3568 sed "$extrasub_host" |
3569 sed "$extrasub_target" > mf$$
3570 mv -f mf$$ Makefile],
3571 [extrasub_build="$extrasub_build"
3572 extrasub_host="$extrasub_host"
3573 extrasub_target="$extrasub_target"])
projects / thirdparty / binutils-gdb.git / blob