1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
154 target-libbacktrace \
159 target-liboffloadmic \
162 target-libstdc++-v3 \
163 target-libsanitizer \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list.
181 target_tools="target-rda"
183 ################################################################################
185 ## All tools belong in one of the four categories, and are assigned above
186 ## We assign ${configdirs} this way to remove all embedded newlines. This
187 ## is important because configure will choke if they ever get through.
188 ## ${configdirs} is directories we build using the host tools.
189 ## ${target_configdirs} is directories we build using the target tools.
190 configdirs=`echo ${host_libs} ${host_tools}`
191 target_configdirs=`echo ${target_libraries} ${target_tools}`
192 build_configdirs=`echo ${build_libs} ${build_tools}`
194 m4_divert_text([PARSE_ARGS],
197 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199 m4_popdef([AS_MESSAGE_LOG_FD])dnl
202 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
222 # Be sure to cover against remnants of an in-tree build.
223 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225 Use a pristine source tree when building in a separate tree])
228 # Skipdirs are removed silently.
230 # Noconfigdirs are removed loudly.
234 # Make sure we don't let GNU ld be added if we didn't want it.
235 if test x$with_gnu_ld = xno ; then
237 noconfigdirs="$noconfigdirs ld gold"
241 # Make sure we don't let GNU as be added if we didn't want it.
242 if test x$with_gnu_as = xno ; then
244 noconfigdirs="$noconfigdirs gas"
248 AC_ARG_WITH(system-zlib,
249 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
250 # Make sure we don't let ZLIB be added if we didn't want it.
251 if test x$with_system_zlib = xyes ; then
253 noconfigdirs="$noconfigdirs zlib"
256 # some tools are so dependent upon X11 that if we're not building with X,
257 # it's not even worth trying to configure, much less build, that tool.
260 yes | "") ;; # the default value for this tree is that X11 is available
262 skipdirs="${skipdirs} tk itcl libgui"
263 # We won't be able to build gdbtk without X.
266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269 # Some are only suitable for cross toolchains.
270 # Remove these if host=target.
271 cross_only="target-libgloss target-newlib target-opcodes"
273 case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
277 # If both --with-headers and --with-libs are specified, default to
279 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
281 if test x"${with_newlib}" = x ; then
286 # Recognize --with-newlib/--without-newlib.
287 case ${with_newlib} in
288 no) skipdirs="${skipdirs} target-newlib" ;;
289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
292 AC_ARG_ENABLE(as-accelerator-for,
293 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
295 Specify offload host triple by ARG])])
297 AC_ARG_ENABLE(offload-targets,
298 [AS_HELP_STRING([--enable-offload-targets=LIST],
299 [enable offloading to devices from comma-separated LIST of
300 TARGET[=DIR]. Use optional path to find offload target compiler
303 if test x"$enable_offload_targets" = x; then
304 AC_MSG_ERROR([no offload targets specified])
306 ], [enable_offload_targets=])
308 # Handle --enable-gold, --enable-ld.
309 # --disable-gold [--enable-ld]
310 # Build only ld. Default option.
311 # --enable-gold [--enable-ld]
312 # Build both gold and ld. Install gold as "ld.gold", install ld
313 # as "ld.bfd" and "ld".
314 # --enable-gold=default [--enable-ld]
315 # Build both gold and ld. Install gold as "ld.gold" and "ld",
316 # install ld as "ld.bfd".
317 # --enable-gold[=default] --disable-ld
318 # Build only gold, which is then installed as both "ld.gold" and "ld".
319 # --enable-gold --enable-ld=default
320 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
322 # In other words, ld is default
323 # --enable-gold=default --enable-ld=default
328 [AS_HELP_STRING([[--enable-gold[=ARG]]],
329 [build gold @<:@ARG={default,yes,no}@:>@])],
330 ENABLE_GOLD=$enableval,
332 case "${ENABLE_GOLD}" in
334 # Check for ELF target.
337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
340 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
342 *-*-linux*aout* | *-*-linux*oldld*)
350 if test "$is_elf" = "yes"; then
351 # Check for target supported by gold.
353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
354 | aarch64*-*-* | tilegx*-*-*)
355 configdirs="$configdirs gold"
356 if test x${ENABLE_GOLD} = xdefault; then
367 AC_MSG_ERROR([invalid --enable-gold argument])
372 [AS_HELP_STRING([[--enable-ld[=ARG]]],
373 [build ld @<:@ARG={default,yes,no}@:>@])],
374 ENABLE_LD=$enableval,
377 case "${ENABLE_LD}" in
379 if test x${default_ld} != x; then
380 AC_MSG_ERROR([either gold or ld can be the default ld])
386 if test x${ENABLE_GOLD} != xyes; then
387 AC_MSG_WARN([neither ld nor gold are enabled])
389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
392 AC_MSG_ERROR([invalid --enable-ld argument])
397 # Decide the default method for compressing debug sections.
398 # Provide a configure time option to override our default.
399 AC_ARG_ENABLE(compressed_debug_sections,
400 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
401 [Enable compressed debug sections for gas, gold or ld by
404 if test x"$enable_compressed_debug_sections" = xyes; then
405 AC_MSG_ERROR([no program with compressed debug sections specified])
407 ], [enable_compressed_debug_sections=])
409 # Configure extra directories which are host specific
413 configdirs="$configdirs libtermcap" ;;
416 # A target can indicate whether a language isn't supported for some reason.
417 # Only spaces may be used in this macro; not newlines or tabs.
418 unsupported_languages=
420 # Remove more programs from consideration, based on the host or
421 # target this usually means that a port of the program doesn't
425 i[[3456789]]86-*-msdosdjgpp*)
426 noconfigdirs="$noconfigdirs tcl tk itcl"
431 AC_ARG_ENABLE(libquadmath,
432 AS_HELP_STRING([--disable-libquadmath],
433 [do not build libquadmath directory]),
434 ENABLE_LIBQUADMATH=$enableval,
435 ENABLE_LIBQUADMATH=yes)
436 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
437 noconfigdirs="$noconfigdirs target-libquadmath"
441 AC_ARG_ENABLE(libquadmath-support,
442 AS_HELP_STRING([--disable-libquadmath-support],
443 [disable libquadmath support for Fortran]),
444 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
445 ENABLE_LIBQUADMATH_SUPPORT=yes)
446 enable_libquadmath_support=
447 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
448 enable_libquadmath_support=no
452 AC_ARG_ENABLE(libada,
453 [AS_HELP_STRING([--enable-libada], [build libada directory])],
454 ENABLE_LIBADA=$enableval,
456 if test "${ENABLE_LIBADA}" != "yes" ; then
457 noconfigdirs="$noconfigdirs gnattools"
460 AC_ARG_ENABLE(libssp,
461 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
462 ENABLE_LIBSSP=$enableval,
465 AC_ARG_ENABLE(libstdcxx,
466 AS_HELP_STRING([--disable-libstdcxx],
467 [do not build libstdc++-v3 directory]),
468 ENABLE_LIBSTDCXX=$enableval,
469 ENABLE_LIBSTDCXX=default)
470 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
471 noconfigdirs="$noconfigdirs target-libstdc++-v3"
474 # If this is accelerator compiler and its target is intelmic we enable
475 # target liboffloadmic by default. If this is compiler with offloading
476 # for intelmic we enable host liboffloadmic by default. Otherwise
477 # liboffloadmic is disabled by default.
478 AC_ARG_ENABLE([liboffloadmic],
479 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
481 [case "$enableval" in
483 enable_liboffloadmic=$enableval ;;
485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
487 [if test x"$enable_as_accelerator_for" != x; then
489 *-intelmic-* | *-intelmicemul-*)
490 enable_liboffloadmic=target
491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
494 enable_liboffloadmic=no
498 case "${enable_offload_targets}" in
499 *-intelmic-* | *-intelmicemul-*)
500 enable_liboffloadmic=host
501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
504 enable_liboffloadmic=no
508 AC_SUBST(extra_liboffloadmic_configure_flags)
510 # Save it here so that, even in case of --enable-libgcj, if the Java
511 # front-end isn't enabled, we still get libgcj disabled.
513 case $enable_libgcj in
515 # If we reset it here, it won't get added to noconfigdirs in the
516 # target-specific build rules, so it will be forcibly enabled
517 # (unless the Java language itself isn't enabled).
521 # Make sure we get it printed in the list of not supported target libs.
522 # Don't disable libffi, though, other languages use it.
523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
524 # Clear libgcj_saved so that even if java is enabled libffi won't be
530 AC_ARG_ENABLE(static-libjava,
531 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
532 [build static libjava @<:@default=no@:>@])],
533 ENABLE_STATIC_LIBJAVA=$enableval,
534 ENABLE_STATIC_LIBJAVA=no)
535 enable_static_libjava=
536 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
537 enable_static_libjava=yes
540 if test x$enable_static_libjava != xyes ; then
541 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
543 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
545 # Enable libgomp by default on hosted POSIX systems, and a few others.
546 if test x$enable_libgomp = x ; then
548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
552 *-*-solaris2* | *-*-hpux11*)
554 *-*-darwin* | *-*-aix*)
559 noconfigdirs="$noconfigdirs target-libgomp"
564 # Disable libatomic on unsupported systems.
565 if test -d ${srcdir}/libatomic; then
566 if test x$enable_libatomic = x; then
567 AC_MSG_CHECKING([for libatomic support])
568 if (srcdir=${srcdir}/libatomic; \
569 . ${srcdir}/configure.tgt; \
570 test -n "$UNSUPPORTED")
573 noconfigdirs="$noconfigdirs target-libatomic"
580 # Disable libcilkrts on unsupported systems.
581 if test -d ${srcdir}/libcilkrts; then
582 if test x$enable_libcilkrts = x; then
583 AC_MSG_CHECKING([for libcilkrts support])
584 if (srcdir=${srcdir}/libcilkrts; \
585 . ${srcdir}/configure.tgt; \
586 test -n "$UNSUPPORTED")
589 noconfigdirs="$noconfigdirs target-libcilkrts"
596 # Disable liboffloadmic on unsupported systems.
597 if test -d ${srcdir}/liboffloadmic; then
598 if test x$enable_liboffloadmic != xno; then
599 AC_MSG_CHECKING([for liboffloadmic support])
600 if (srcdir=${srcdir}/liboffloadmic; \
601 . ${srcdir}/configure.tgt; \
602 test -n "$UNSUPPORTED")
605 noconfigdirs="$noconfigdirs target-liboffloadmic"
612 # Disable libitm on unsupported systems.
613 if test -d ${srcdir}/libitm; then
614 if test x$enable_libitm = x; then
615 AC_MSG_CHECKING([for libitm support])
616 if (srcdir=${srcdir}/libitm; \
617 . ${srcdir}/configure.tgt; \
618 test -n "$UNSUPPORTED")
621 noconfigdirs="$noconfigdirs target-libitm"
628 # Disable libsanitizer on unsupported systems.
629 if test -d ${srcdir}/libsanitizer; then
630 if test x$enable_libsanitizer = x; then
631 AC_MSG_CHECKING([for libsanitizer support])
632 if (srcdir=${srcdir}/libsanitizer; \
633 . ${srcdir}/configure.tgt; \
634 test -n "$UNSUPPORTED")
637 noconfigdirs="$noconfigdirs target-libsanitizer"
644 # Disable libvtv on unsupported systems.
645 if test -d ${srcdir}/libvtv; then
646 if test x$enable_libvtv = x; then
647 AC_MSG_CHECKING([for libvtv support])
648 if (srcdir=${srcdir}/libvtv; \
649 . ${srcdir}/configure.tgt; \
650 test "$VTV_SUPPORTED" != "yes")
653 noconfigdirs="$noconfigdirs target-libvtv"
661 # Enable libmpx on supported systems by request.
662 if test -d ${srcdir}/libmpx; then
663 if test x$enable_libmpx = xyes; then
664 AC_MSG_CHECKING([for libmpx support])
665 if (srcdir=${srcdir}/libmpx; \
666 . ${srcdir}/configure.tgt; \
667 test "$LIBMPX_SUPPORTED" != "yes")
670 noconfigdirs="$noconfigdirs target-libmpx"
675 noconfigdirs="$noconfigdirs target-libmpx"
681 # Disable libquadmath for some systems.
684 noconfigdirs="$noconfigdirs target-libquadmath"
686 # libquadmath is unused on AIX and libquadmath build process use of
687 # LD_LIBRARY_PATH can break AIX bootstrap.
688 powerpc-*-aix* | rs6000-*-aix*)
689 noconfigdirs="$noconfigdirs target-libquadmath"
693 # Disable libssp for some systems.
696 # No hosted I/O support.
697 noconfigdirs="$noconfigdirs target-libssp"
699 powerpc-*-aix* | rs6000-*-aix*)
700 noconfigdirs="$noconfigdirs target-libssp"
703 # libssp uses a misaligned load to trigger a fault, but the RL78
704 # doesn't fault for those - instead, it gives a build-time error
705 # for explicit misaligned loads.
706 noconfigdirs="$noconfigdirs target-libssp"
709 # No hosted I/O support.
710 noconfigdirs="$noconfigdirs target-libssp"
714 # Disable libstdc++-v3 for some systems.
715 # Allow user to override this if they pass --enable-libstdc++-v3
716 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
719 # VxWorks uses the Dinkumware C++ library.
720 noconfigdirs="$noconfigdirs target-libstdc++-v3"
723 # the C++ libraries don't build on top of CE's C libraries
724 noconfigdirs="$noconfigdirs target-libstdc++-v3"
727 noconfigdirs="$noconfigdirs target-libstdc++-v3"
730 noconfigdirs="$noconfigdirs target-libstdc++-v3"
735 # Disable Fortran for some systems.
738 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
739 unsupported_languages="$unsupported_languages fortran"
743 # Disable Java if libffi is not supported.
775 powerpc-*-aix* | rs6000-*-aix*)
779 powerpc64-*-freebsd*)
783 s390-*-* | s390x-*-*)
785 sh-*-* | sh[[34]]*-*-*)
794 unsupported_languages="$unsupported_languages java"
798 # Disable Java, libgcj or related libraries for some systems.
802 i[[3456789]]86-*-darwin*)
804 x86_64-*-darwin[[912]]*)
807 noconfigdirs="$noconfigdirs ${libgcj}"
810 noconfigdirs="$noconfigdirs ${libgcj}"
813 noconfigdirs="$noconfigdirs ${libgcj}"
816 noconfigdirs="$noconfigdirs ${libgcj}"
819 noconfigdirs="$noconfigdirs ${libgcj}"
822 noconfigdirs="$noconfigdirs ${libgcj}"
825 noconfigdirs="$noconfigdirs ${libgcj}"
828 noconfigdirs="$noconfigdirs ${libgcj}"
831 noconfigdirs="$noconfigdirs ${libgcj}"
834 noconfigdirs="$noconfigdirs ${libgcj}"
837 noconfigdirs="$noconfigdirs target-boehm-gc"
839 cris-*-* | crisv32-*-*)
840 unsupported_languages="$unsupported_languages java"
844 *) # See PR46792 regarding target-libffi.
845 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
849 # In this case, it's because the hppa64-linux target is for
850 # the kernel only at this point and has no libc, and thus no
851 # headers, crt*.o, etc., all of which are needed by these.
852 unsupported_languages="$unsupported_languages java"
855 noconfigdirs="$noconfigdirs ${libgcj}"
860 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
861 # build on HP-UX 10.20.
862 noconfigdirs="$noconfigdirs ${libgcj}"
865 noconfigdirs="$noconfigdirs ${libgcj}"
867 i[[3456789]]86-w64-mingw*)
868 noconfigdirs="$noconfigdirs ${libgcj}"
870 i[[3456789]]86-*-mingw*)
871 noconfigdirs="$noconfigdirs ${libgcj}"
874 noconfigdirs="$noconfigdirs ${libgcj}"
877 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
880 # copied from rs6000-*-* entry
881 noconfigdirs="$noconfigdirs ${libgcj}"
884 noconfigdirs="$noconfigdirs ${libgcj}"
887 noconfigdirs="$noconfigdirs ${libgcj}"
890 noconfigdirs="$noconfigdirs ${libgcj}"
894 # Disable the go frontend on systems where it is known to not work. Please keep
895 # this in sync with contrib/config-list.mk.
897 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
898 unsupported_languages="$unsupported_languages go"
902 # Disable libgo for some systems where it is known to not work.
903 # For testing, you can easily override this with --enable-libgo.
904 if test x$enable_libgo = x; then
908 noconfigdirs="$noconfigdirs target-libgo"
910 *-*-cygwin* | *-*-mingw*)
911 noconfigdirs="$noconfigdirs target-libgo"
914 noconfigdirs="$noconfigdirs target-libgo"
919 # Default libgloss CPU subdirectory.
920 libgloss_dir="$target_cpu"
923 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
932 cris-*-* | crisv32-*-*)
941 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
958 # Disable newlib and libgloss for various target OSes.
961 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
963 i[[3456789]]86-*-linux*)
964 # This section makes it possible to build newlib natively on linux.
965 # If we are using a cross compiler then don't configure newlib.
966 if test x${is_cross_compiler} != xno ; then
967 noconfigdirs="$noconfigdirs target-newlib"
969 noconfigdirs="$noconfigdirs target-libgloss"
970 # If we are not using a cross compiler, do configure newlib.
971 # Note however, that newlib will only be configured in this situation
972 # if the --with-newlib option has been given, because otherwise
973 # 'target-newlib' will appear in skipdirs.
975 i[[3456789]]86-*-rdos*)
976 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
978 sh*-*-pe|mips*-*-pe|arm-wince-pe)
979 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
985 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
991 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
994 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
997 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
999 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1012 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1015 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1021 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1029 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1030 noconfigdirs="$noconfigdirs sim target-rda"
1032 i[[3456789]]86-*-darwin*)
1033 noconfigdirs="$noconfigdirs ld gprof"
1034 noconfigdirs="$noconfigdirs sim target-rda"
1036 x86_64-*-darwin[[912]]*)
1037 noconfigdirs="$noconfigdirs ld gas gprof"
1038 noconfigdirs="$noconfigdirs sim target-rda"
1041 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1042 noconfigdirs="$noconfigdirs sim target-rda"
1047 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1048 && test -f /usr/local/include/gmp.h; then
1053 # Remove unsupported stuff on all kaOS configurations.
1054 noconfigdirs="$noconfigdirs target-libgloss"
1061 noconfigdirs="$noconfigdirs target-libgloss"
1062 # this is not caught below because this stanza matches earlier
1064 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1067 # The tpf target doesn't support gdb yet.
1069 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1072 noconfigdirs="$noconfigdirs target-rda"
1077 # ld works, but does not support shared libraries.
1078 # gas doesn't generate exception information.
1079 noconfigdirs="$noconfigdirs gas ld"
1082 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1085 # newlib is not 64 bit ready
1086 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1088 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1089 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1092 noconfigdirs="$noconfigdirs target-libgloss"
1095 noconfigdirs="$noconfigdirs target-libgloss"
1098 noconfigdirs="$noconfigdirs ld target-libgloss"
1103 if test x${with_avrlibc} != xno; then
1104 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1107 c4x-*-* | tic4x-*-*)
1108 noconfigdirs="$noconfigdirs target-libgloss"
1111 noconfigdirs="$noconfigdirs target-libgloss gdb"
1114 noconfigdirs="$noconfigdirs target-libgloss"
1117 noconfigdirs="$noconfigdirs gdb"
1120 noconfigdirs="$noconfigdirs gdb"
1123 noconfigdirs="$noconfigdirs target-rda gprof"
1126 noconfigdirs="$noconfigdirs"
1129 noconfigdirs="$noconfigdirs target-libgloss"
1132 noconfigdirs="$noconfigdirs target-libgloss"
1134 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1137 noconfigdirs="$noconfigdirs gdb"
1140 noconfigdirs="$noconfigdirs gdb ld"
1148 hppa*-*-openbsd* | \
1154 noconfigdirs="$noconfigdirs ld"
1157 noconfigdirs="$noconfigdirs gdb"
1160 # No gdb support yet.
1161 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1164 # No ld support yet.
1165 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1168 # No ld support yet.
1169 noconfigdirs="$noconfigdirs libgui itcl ld"
1171 i[[3456789]]86-w64-mingw*)
1173 i[[3456789]]86-*-mingw*)
1174 target_configdirs="$target_configdirs target-winsup"
1177 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1178 noconfigdirs="$noconfigdirs target-libgloss"
1179 # always build newlib if winsup directory is present.
1180 if test -d "$srcdir/winsup/cygwin"; then
1181 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1182 elif test -d "$srcdir/newlib"; then
1183 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1186 i[[3456789]]86-*-pe)
1187 noconfigdirs="$noconfigdirs target-libgloss"
1189 i[[3456789]]86-*-sco3.2v5*)
1190 # The linker does not yet know about weak symbols in COFF,
1191 # and is not configured to handle mixed ELF and COFF.
1192 noconfigdirs="$noconfigdirs ld target-libgloss"
1194 i[[3456789]]86-*-sco*)
1195 noconfigdirs="$noconfigdirs gprof target-libgloss"
1197 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1198 noconfigdirs="$noconfigdirs target-libgloss"
1200 i[[3456789]]86-*-sysv4*)
1201 noconfigdirs="$noconfigdirs target-libgloss"
1203 i[[3456789]]86-*-beos*)
1204 noconfigdirs="$noconfigdirs gdb"
1206 i[[3456789]]86-*-rdos*)
1207 noconfigdirs="$noconfigdirs gdb"
1210 noconfigdirs="$noconfigdirs gdb"
1213 noconfigdirs="$noconfigdirs sim"
1216 # copied from rs6000-*-* entry
1217 noconfigdirs="$noconfigdirs gprof"
1219 powerpc*-*-winnt* | powerpc*-*-pe*)
1220 target_configdirs="$target_configdirs target-winsup"
1221 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1222 # always build newlib.
1223 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1225 # This is temporary until we can link against shared libraries
1226 powerpcle-*-solaris*)
1227 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1230 noconfigdirs="$noconfigdirs gdb"
1233 noconfigdirs="$noconfigdirs gprof"
1236 noconfigdirs="$noconfigdirs gprof"
1239 noconfigdirs="$noconfigdirs gprof"
1242 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1245 noconfigdirs="$noconfigdirs gprof"
1247 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1248 if test x$with_newlib = xyes; then
1249 noconfigdirs="$noconfigdirs gprof"
1253 noconfigdirs="$noconfigdirs gprof target-libgloss"
1256 noconfigdirs="$noconfigdirs gprof target-libgloss"
1259 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1263 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1264 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1265 noconfigdirs="$noconfigdirs ld gas gprof"
1268 noconfigdirs="$noconfigdirs gprof"
1271 noconfigdirs="$noconfigdirs gdb"
1274 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1277 noconfigdirs="$noconfigdirs gdb"
1284 noconfigdirs="$noconfigdirs target-libgloss" ;;
1288 if test x${is_cross_compiler} = xno ; then
1293 noconfigdirs="$noconfigdirs sim"
1295 tilepro*-*-* | tilegx*-*-*)
1296 noconfigdirs="$noconfigdirs sim"
1299 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1302 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1306 # If we aren't building newlib, then don't build libgloss, since libgloss
1307 # depends upon some newlib header files.
1308 case "${noconfigdirs}" in
1309 *target-libgloss*) ;;
1310 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1313 # Work in distributions that contain no compiler tools, like Autoconf.
1314 host_makefile_frag=/dev/null
1315 if test -d ${srcdir}/config ; then
1317 i[[3456789]]86-*-msdosdjgpp*)
1318 host_makefile_frag="config/mh-djgpp"
1321 ACX_CHECK_CYGWIN_CAT_WORKS
1322 host_makefile_frag="config/mh-cygwin"
1325 host_makefile_frag="config/mh-mingw"
1328 host_makefile_frag="config/mh-alpha-linux"
1331 host_makefile_frag="config/mh-pa-hpux10"
1334 host_makefile_frag="config/mh-pa"
1337 host_makefile_frag="config/mh-pa"
1340 host_makefile_frag="config/mh-darwin"
1343 host_makefile_frag="config/mh-ppc-aix"
1346 host_makefile_frag="config/mh-ppc-aix"
1351 if test "${build}" != "${host}" ; then
1352 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1353 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1354 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1355 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1356 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1357 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1358 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1359 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1360 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1361 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1362 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1363 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1364 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1366 AR_FOR_BUILD="\$(AR)"
1367 AS_FOR_BUILD="\$(AS)"
1368 CC_FOR_BUILD="\$(CC)"
1369 CXX_FOR_BUILD="\$(CXX)"
1370 GCJ_FOR_BUILD="\$(GCJ)"
1371 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1372 GOC_FOR_BUILD="\$(GOC)"
1373 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1374 LD_FOR_BUILD="\$(LD)"
1375 NM_FOR_BUILD="\$(NM)"
1376 RANLIB_FOR_BUILD="\$(RANLIB)"
1377 WINDRES_FOR_BUILD="\$(WINDRES)"
1378 WINDMC_FOR_BUILD="\$(WINDMC)"
1384 # We must set the default linker to the linker used by gcc for the correct
1385 # operation of libtool. If LD is not defined and we are using gcc, try to
1386 # set the LD default to the ld used by gcc.
1387 if test -z "$LD"; then
1388 if test "$GCC" = yes; then
1391 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1393 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1395 case $gcc_prog_ld in
1396 # Accept absolute paths.
1397 [[\\/]* | [A-Za-z]:[\\/]*)]
1398 LD="$gcc_prog_ld" ;;
1403 # Check whether -static-libstdc++ -static-libgcc is supported.
1405 if test "$GCC" = yes; then
1406 saved_LDFLAGS="$LDFLAGS"
1408 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1409 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1412 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1413 #error -static-libstdc++ not implemented
1416 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1417 [AC_MSG_RESULT([no])])
1420 LDFLAGS="$saved_LDFLAGS"
1424 ACX_PROG_CMP_IGNORE_INITIAL
1426 AC_ARG_ENABLE([bootstrap],
1427 [AS_HELP_STRING([--enable-bootstrap],
1428 [enable bootstrapping @<:@yes if native build@:>@])],,
1429 enable_bootstrap=default)
1431 # Issue errors and warnings for invalid/strange bootstrap combinations.
1432 if test -r $srcdir/gcc/configure; then
1438 case "$have_compiler:$host:$target:$enable_bootstrap" in
1441 # Default behavior. Enable bootstrap if we have a compiler
1442 # and we are in a native configuration.
1443 yes:$build:$build:default)
1444 enable_bootstrap=yes ;;
1447 enable_bootstrap=no ;;
1449 # We have a compiler and we are in a native configuration, bootstrap is ok
1450 yes:$build:$build:yes)
1453 # Other configurations, but we have a compiler. Assume the user knows
1456 AC_MSG_WARN([trying to bootstrap a cross compiler])
1459 # No compiler: if they passed --enable-bootstrap explicitly, fail
1461 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1463 # Fail if wrong command line
1465 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1469 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1470 # C++98 compiler can still start the bootstrap.
1471 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1472 CXX="$CXX -std=gnu++98"
1475 # Used for setting $lt_cv_objdir
1478 # Check for GMP, MPFR and MPC
1479 gmplibs="-lmpc -lmpfr -lgmp"
1483 # Specify a location for mpc
1484 # check for this first so it ends up on the link line before mpfr.
1486 [AS_HELP_STRING([--with-mpc=PATH],
1487 [specify prefix directory for installed MPC package.
1488 Equivalent to --with-mpc-include=PATH/include
1489 plus --with-mpc-lib=PATH/lib])])
1490 AC_ARG_WITH(mpc-include,
1491 [AS_HELP_STRING([--with-mpc-include=PATH],
1492 [specify directory for installed MPC include files])])
1493 AC_ARG_WITH(mpc-lib,
1494 [AS_HELP_STRING([--with-mpc-lib=PATH],
1495 [specify directory for the installed MPC library])])
1497 if test "x$with_mpc" != x; then
1498 gmplibs="-L$with_mpc/lib $gmplibs"
1499 gmpinc="-I$with_mpc/include $gmpinc"
1501 if test "x$with_mpc_include" != x; then
1502 gmpinc="-I$with_mpc_include $gmpinc"
1504 if test "x$with_mpc_lib" != x; then
1505 gmplibs="-L$with_mpc_lib $gmplibs"
1507 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1508 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1509 gmpinc='-I$$s/mpc/src '"$gmpinc"
1510 # Do not test the mpc version. Assume that it is sufficient, since
1511 # it is in the source tree, and the library has not been built yet
1512 # but it would be included on the link line in the version check below
1513 # hence making the test fail.
1517 # Specify a location for mpfr
1518 # check for this first so it ends up on the link line before gmp.
1519 AC_ARG_WITH(mpfr-dir,
1520 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1521 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1522 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1525 [AS_HELP_STRING([--with-mpfr=PATH],
1526 [specify prefix directory for installed MPFR package.
1527 Equivalent to --with-mpfr-include=PATH/include
1528 plus --with-mpfr-lib=PATH/lib])])
1529 AC_ARG_WITH(mpfr-include,
1530 [AS_HELP_STRING([--with-mpfr-include=PATH],
1531 [specify directory for installed MPFR include files])])
1532 AC_ARG_WITH(mpfr-lib,
1533 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1534 [specify directory for the installed MPFR library])])
1536 if test "x$with_mpfr" != x; then
1537 gmplibs="-L$with_mpfr/lib $gmplibs"
1538 gmpinc="-I$with_mpfr/include $gmpinc"
1540 if test "x$with_mpfr_include" != x; then
1541 gmpinc="-I$with_mpfr_include $gmpinc"
1543 if test "x$with_mpfr_lib" != x; then
1544 gmplibs="-L$with_mpfr_lib $gmplibs"
1546 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1547 # MPFR v3.1.0 moved the sources into a src sub-directory.
1548 if test -d ${srcdir}/mpfr/src; then
1549 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1550 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1551 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1553 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1554 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1555 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1557 # Do not test the mpfr version. Assume that it is sufficient, since
1558 # it is in the source tree, and the library has not been built yet
1559 # but it would be included on the link line in the version check below
1560 # hence making the test fail.
1564 # Specify a location for gmp
1565 AC_ARG_WITH(gmp-dir,
1566 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1567 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1568 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1571 [AS_HELP_STRING([--with-gmp=PATH],
1572 [specify prefix directory for the installed GMP package.
1573 Equivalent to --with-gmp-include=PATH/include
1574 plus --with-gmp-lib=PATH/lib])])
1575 AC_ARG_WITH(gmp-include,
1576 [AS_HELP_STRING([--with-gmp-include=PATH],
1577 [specify directory for installed GMP include files])])
1578 AC_ARG_WITH(gmp-lib,
1579 [AS_HELP_STRING([--with-gmp-lib=PATH],
1580 [specify directory for the installed GMP library])])
1583 if test "x$with_gmp" != x; then
1584 gmplibs="-L$with_gmp/lib $gmplibs"
1585 gmpinc="-I$with_gmp/include $gmpinc"
1587 if test "x$with_gmp_include" != x; then
1588 gmpinc="-I$with_gmp_include $gmpinc"
1590 if test "x$with_gmp_lib" != x; then
1591 gmplibs="-L$with_gmp_lib $gmplibs"
1593 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1594 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1595 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1596 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1597 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1598 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1599 # Do not test the gmp version. Assume that it is sufficient, since
1600 # it is in the source tree, and the library has not been built yet
1601 # but it would be included on the link line in the version check below
1602 # hence making the test fail.
1606 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1608 saved_CFLAGS="$CFLAGS"
1609 CFLAGS="$CFLAGS $gmpinc"
1610 # Check for the recommended and required versions of GMP.
1611 AC_MSG_CHECKING([for the correct version of gmp.h])
1612 AC_TRY_COMPILE([#include "gmp.h"],[
1613 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1614 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1615 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1618 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1619 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1620 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1621 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1624 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1625 [AC_MSG_RESULT([no]); have_gmp=no])
1627 # If we have GMP, check the MPFR version.
1628 if test x"$have_gmp" = xyes; then
1629 # Check for the recommended and required versions of MPFR.
1630 AC_MSG_CHECKING([for the correct version of mpfr.h])
1631 AC_TRY_COMPILE([#include <gmp.h>
1632 #include <mpfr.h>],[
1633 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1636 ], [AC_TRY_COMPILE([#include <gmp.h>
1637 #include <mpfr.h>],[
1638 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1641 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1642 [AC_MSG_RESULT([no]); have_gmp=no])
1645 # Check for the MPC header version.
1646 if test x"$have_gmp" = xyes ; then
1647 # Check for the recommended and required versions of MPC.
1648 AC_MSG_CHECKING([for the correct version of mpc.h])
1649 AC_TRY_COMPILE([#include <mpc.h>],[
1650 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1653 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1654 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1657 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1658 [AC_MSG_RESULT([no]); have_gmp=no])
1661 # Now check the MPFR library.
1662 if test x"$have_gmp" = xyes; then
1664 LIBS="$LIBS $gmplibs"
1665 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1666 AC_TRY_LINK([#include <mpc.h>],[
1673 mpfr_atan2 (n, n, x, GMP_RNDN);
1674 mpfr_erfc (n, x, GMP_RNDN);
1675 mpfr_subnormalize (x, t, GMP_RNDN);
1679 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1680 mpc_cosh (c, c, MPC_RNDNN);
1681 mpc_pow (c, c, c, MPC_RNDNN);
1682 mpc_acosh (c, c, MPC_RNDNN);
1684 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1688 CFLAGS="$saved_CFLAGS"
1690 # The library versions listed in the error message below should match
1691 # the HARD-minimums enforced above.
1692 if test x$have_gmp != xyes; then
1693 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1694 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1695 their locations. Source code for these libraries can be found at
1696 their respective hosting sites as well as at
1697 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1698 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1699 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1700 make sure that you have installed both the libraries and the header
1701 files. They may be located in separate packages.])
1705 # Flags needed for both GMP, MPFR and/or MPC.
1708 AC_SUBST(extra_mpfr_configure_flags)
1709 AC_SUBST(extra_mpc_gmp_configure_flags)
1710 AC_SUBST(extra_mpc_mpfr_configure_flags)
1711 AC_SUBST(extra_isl_gmp_configure_flags)
1713 # Libraries to use for stage1 or when not bootstrapping.
1714 AC_ARG_WITH(stage1-libs,
1715 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1716 [if test "$withval" = "no" -o "$withval" = "yes"; then
1719 stage1_libs=$withval
1722 AC_SUBST(stage1_libs)
1724 # Linker flags to use for stage1 or when not bootstrapping.
1725 AC_ARG_WITH(stage1-ldflags,
1726 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1727 [if test "$withval" = "no" -o "$withval" = "yes"; then
1730 stage1_ldflags=$withval
1733 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1734 # if supported. But if the user explicitly specified the libraries to use,
1735 # trust that they are doing what they want.
1736 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1737 stage1_ldflags="-static-libstdc++ -static-libgcc"
1739 AC_SUBST(stage1_ldflags)
1741 # Libraries to use for stage2 and later builds.
1742 AC_ARG_WITH(boot-libs,
1743 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1744 [if test "$withval" = "no" -o "$withval" = "yes"; then
1747 poststage1_libs=$withval
1750 AC_SUBST(poststage1_libs)
1752 # Linker flags to use for stage2 and later builds.
1753 AC_ARG_WITH(boot-ldflags,
1754 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1755 [linker flags for stage2 and later])],
1756 [if test "$withval" = "no" -o "$withval" = "yes"; then
1759 poststage1_ldflags=$withval
1761 [poststage1_ldflags=
1762 # In stages 2 and 3, default to linking libstdc++ and libgcc
1763 # statically. But if the user explicitly specified the libraries to
1764 # use, trust that they are doing what they want.
1765 if test "$poststage1_libs" = ""; then
1766 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1768 AC_SUBST(poststage1_ldflags)
1770 # GCC GRAPHITE dependency ISL.
1771 # Basic setup is inlined here, actual checks are in config/isl.m4
1776 [Specify prefix directory for the installed ISL package.
1777 Equivalent to --with-isl-include=PATH/include
1778 plus --with-isl-lib=PATH/lib])])
1780 # Treat --without-isl as a request to disable
1781 # GRAPHITE support and skip all following checks.
1782 if test "x$with_isl" != "xno"; then
1784 dnl Provide configure switches and initialize islinc & isllibs
1785 dnl with user input.
1787 dnl The versions of ISL that work for Graphite
1789 dnl Only execute fail-action, if ISL has been requested.
1791 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1794 # If the ISL check failed, disable builds of in-tree variant of ISL
1795 if test "x$with_isl" = xno ||
1796 test "x$gcc_cv_isl" = xno; then
1797 noconfigdirs="$noconfigdirs isl"
1804 # Check for LTO support.
1806 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1807 enable_lto=$enableval,
1808 enable_lto=yes; default_enable_lto=yes)
1810 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1811 build_lto_plugin=yes
1812 ],[if test x"$default_enable_lto" = x"yes" ; then
1814 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1815 # On other non-ELF platforms, LTO has yet to be validated.
1819 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1820 # It would also be nice to check the binutils support, but we don't
1821 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1822 # warn during gcc/ subconfigure; unless you're bootstrapping with
1823 # -flto it won't be needed until after installation anyway.
1825 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1826 *) if test x"$enable_lto" = x"yes"; then
1827 AC_MSG_ERROR([LTO support is not enabled for this target.])
1832 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1833 # Build it unless LTO was explicitly disabled.
1835 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1840 AC_ARG_ENABLE(linker-plugin-configure-flags,
1841 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1842 [additional flags for configuring linker plugins @<:@none@:>@])],
1843 extra_linker_plugin_configure_flags=$enableval,
1844 extra_linker_plugin_configure_flags=)
1845 AC_SUBST(extra_linker_plugin_configure_flags)
1846 AC_ARG_ENABLE(linker-plugin-flags,
1847 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1848 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1849 extra_linker_plugin_flags=$enableval,
1850 extra_linker_plugin_flags=)
1851 AC_SUBST(extra_linker_plugin_flags)
1854 # By default, C and C++ are the only stage 1 languages.
1855 stage1_languages=,c,
1857 # Target libraries that we bootstrap.
1858 bootstrap_target_libs=,target-libgcc,
1860 # Figure out what language subdirectories are present.
1861 # Look if the user specified --enable-languages="..."; if not, use
1862 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1864 # NB: embedded tabs in this IF block -- do not untabify
1865 if test -d ${srcdir}/gcc; then
1866 if test x"${enable_languages+set}" != xset; then
1867 if test x"${LANGUAGES+set}" = xset; then
1868 enable_languages="${LANGUAGES}"
1869 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1871 enable_languages=all
1874 if test x"${enable_languages}" = x ||
1875 test x"${enable_languages}" = xyes;
1877 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1881 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1883 # 'f95' is the old name for the 'fortran' language. We issue a warning
1884 # and make the substitution.
1885 case ,${enable_languages}, in
1887 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1888 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1892 # If bootstrapping, C++ must be enabled.
1893 case ",$enable_languages,:$enable_bootstrap" in
1896 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1897 enable_languages="${enable_languages},c++"
1899 AC_MSG_ERROR([bootstrapping requires c++ sources])
1904 # First scan to see if an enabled language requires some other language.
1905 # We assume that a given config-lang.in will list all the language
1906 # front ends it requires, even if some are required indirectly.
1907 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1908 case ${lang_frag} in
1910 # The odd quoting in the next line works around
1911 # an apparent bug in bash 1.12 on linux.
1912 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1914 # From the config-lang.in, get $language, $lang_requires, and
1915 # $lang_requires_boot_languages.
1918 lang_requires_boot_languages=
1920 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1921 case ,${enable_languages}, in
1925 echo " \`$other' language required by \`$language'; enabling" 1>&2
1926 enable_languages="${enable_languages},${other}"
1930 for other in ${lang_requires_boot_languages} ; do
1931 if test "$other" != "c"; then
1932 case ,${enable_stage1_languages}, in
1936 case ,${enable_languages}, in
1938 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1939 enable_stage1_languages="$enable_stage1_languages,${other}"
1950 new_enable_languages=,c,
1952 # If LTO is enabled, add the LTO front end.
1953 if test "$enable_lto" = "yes" ; then
1954 case ,${enable_languages}, in
1956 *) enable_languages="${enable_languages},lto" ;;
1958 if test "${build_lto_plugin}" = "yes" ; then
1959 configdirs="$configdirs lto-plugin"
1963 # If we're building an offloading compiler, add the LTO front end.
1964 if test x"$enable_as_accelerator_for" != x ; then
1965 case ,${enable_languages}, in
1967 *) enable_languages="${enable_languages},lto" ;;
1971 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1972 potential_languages=,c,
1974 enabled_target_libs=
1975 disabled_target_libs=
1977 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1978 case ${lang_frag} in
1980 # The odd quoting in the next line works around
1981 # an apparent bug in bash 1.12 on linux.
1982 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1984 # From the config-lang.in, get $language, $target_libs,
1985 # $lang_dirs, $boot_language, and $build_by_default
1991 build_by_default=yes
1993 if test x${language} = x; then
1994 echo "${lang_frag} doesn't set \$language." 1>&2
1998 if test "$language" = "c++"; then
2003 case ,${enable_languages}, in
2005 # Language was explicitly selected; include it
2006 # unless it is C, which is enabled by default.
2007 if test "$language" != "c"; then
2012 # 'all' was selected, select it if it is a default language
2013 if test "$language" != "c"; then
2014 add_this_lang=${build_by_default}
2019 # Disable languages that need other directories if these aren't available.
2020 for i in $subdir_requires; do
2021 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2022 case ,${enable_languages}, in
2024 # Specifically requested language; tell them.
2025 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2029 add_this_lang=unsupported
2034 # Disable Ada if no preexisting GNAT is available.
2035 case ,${enable_languages},:${language}:${have_gnat} in
2036 *,${language},*:ada:no)
2037 # Specifically requested language; tell them.
2038 AC_MSG_ERROR([GNAT is required to build $language])
2042 add_this_lang=unsupported
2046 # Disable a language that is unsupported by the target.
2047 case " $unsupported_languages " in
2049 add_this_lang=unsupported
2053 case $add_this_lang in
2055 # Remove language-dependent dirs.
2056 disabled_target_libs="$disabled_target_libs $target_libs"
2057 noconfigdirs="$noconfigdirs $lang_dirs"
2060 # Remove language-dependent dirs; still show language as supported.
2061 disabled_target_libs="$disabled_target_libs $target_libs"
2062 noconfigdirs="$noconfigdirs $lang_dirs"
2063 potential_languages="${potential_languages}${language},"
2066 new_enable_languages="${new_enable_languages}${language},"
2067 potential_languages="${potential_languages}${language},"
2068 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2069 enabled_target_libs="$enabled_target_libs $target_libs"
2070 case "${boot_language}:,$enable_stage1_languages," in
2071 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2072 # Add to (comma-separated) list of stage 1 languages.
2073 case ",$stage1_languages," in
2074 *,$language,* | ,yes, | ,all,) ;;
2075 *) stage1_languages="${stage1_languages}${language}," ;;
2077 # We need to bootstrap any supporting libraries.
2078 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2087 # Add target libraries which are only needed for disabled languages
2089 if test -n "$disabled_target_libs"; then
2090 for dir in $disabled_target_libs; do
2091 case " $enabled_target_libs " in
2093 *) noconfigdirs="$noconfigdirs $dir" ;;
2098 AC_ARG_ENABLE(stage1-languages,
2099 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2100 [choose additional languages to build during
2101 stage1. Mostly useful for compiler development])],
2102 [case ,${enable_stage1_languages}, in
2104 # Set it to something that will have no effect in the loop below
2105 enable_stage1_languages=c ;;
2107 enable_stage1_languages=`echo $new_enable_languages | \
2108 sed -e "s/^,//" -e "s/,$//" ` ;;
2110 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2111 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2114 # Add "good" languages from enable_stage1_languages to stage1_languages,
2115 # while "bad" languages go in missing_languages. Leave no duplicates.
2116 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2117 case $potential_languages in
2119 case $stage1_languages in
2121 *) stage1_languages="$stage1_languages$i," ;;
2124 case $missing_languages in
2126 *) missing_languages="$missing_languages$i," ;;
2131 # Remove leading/trailing commas that were added for simplicity
2132 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2133 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2134 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2135 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2137 if test "x$missing_languages" != x; then
2139 The following requested languages could not be built: ${missing_languages}
2140 Supported languages are: ${potential_languages}])
2142 if test "x$new_enable_languages" != "x$enable_languages"; then
2143 echo The following languages will be built: ${new_enable_languages}
2144 enable_languages="$new_enable_languages"
2147 AC_SUBST(stage1_languages)
2148 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2151 # Handle --disable-<component> generically.
2152 for dir in $configdirs $build_configdirs $target_configdirs ; do
2153 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2154 varname=`echo $dirname | sed -e s/+/_/g`
2155 if eval test x\${enable_${varname}} "=" xno ; then
2156 noconfigdirs="$noconfigdirs $dir"
2160 # Check for Boehm's garbage collector
2161 AC_ARG_ENABLE(objc-gc,
2162 [AS_HELP_STRING([--enable-objc-gc],
2163 [enable use of Boehm's garbage collector with the
2164 GNU Objective-C runtime])],
2165 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2166 *,objc,*:*:yes:*target-boehm-gc*)
2167 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2171 # Make sure we only build Boehm's garbage collector if required.
2172 case ,${enable_languages},:${enable_objc_gc} in
2174 # Keep target-boehm-gc if requested for Objective-C.
2177 # Otherwise remove target-boehm-gc depending on target-libjava.
2178 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2179 noconfigdirs="$noconfigdirs target-boehm-gc"
2184 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2185 case ,${enable_languages}, in
2187 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2188 case "${noconfigdirs}" in
2189 *target-libstdc++-v3*)
2190 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2196 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2200 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2201 # $build_configdirs and $target_configdirs.
2202 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2205 for dir in . $skipdirs $noconfigdirs ; do
2206 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2207 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2208 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2209 if test -r $srcdir/$dirname/configure ; then
2210 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2213 notsupp="$notsupp $dir"
2217 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2218 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2219 if test -r $srcdir/$dirname/configure ; then
2220 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2223 notsupp="$notsupp $dir"
2227 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2228 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2229 if test -r $srcdir/$dirname/configure ; then
2230 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2233 notsupp="$notsupp $dir"
2239 # Quietly strip out all directories which aren't configurable in this tree.
2240 # This relies on all configurable subdirectories being autoconfiscated, which
2242 build_configdirs_all="$build_configdirs"
2244 for i in ${build_configdirs_all} ; do
2245 j=`echo $i | sed -e s/build-//g`
2246 if test -f ${srcdir}/$j/configure ; then
2247 build_configdirs="${build_configdirs} $i"
2251 configdirs_all="$configdirs"
2253 for i in ${configdirs_all} ; do
2254 if test -f ${srcdir}/$i/configure ; then
2255 configdirs="${configdirs} $i"
2259 target_configdirs_all="$target_configdirs"
2261 for i in ${target_configdirs_all} ; do
2262 j=`echo $i | sed -e s/target-//g`
2263 if test -f ${srcdir}/$j/configure ; then
2264 target_configdirs="${target_configdirs} $i"
2268 # Exclude target-zlib if target-libjava isn't built.
2269 case ${target_configdirs} in
2273 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2277 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2278 # so we have to add it after the preceding checks.
2279 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2281 case " $configdirs " in
2283 # If we can build libiberty, we can also build libiberty-linker-plugin.
2284 configdirs="$configdirs libiberty-linker-plugin"
2285 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2286 --with-libiberty=../libiberty-linker-plugin";;
2288 AC_MSG_ERROR([libiberty missing]);;
2292 # Sometimes we have special requirements for the host libiberty.
2293 extra_host_libiberty_configure_flags=
2294 extra_host_zlib_configure_flags=
2295 case " $configdirs " in
2296 *" lto-plugin "* | *" libcc1 "*)
2297 # When these are to be built as shared libraries, the same applies to
2299 extra_host_libiberty_configure_flags=--enable-shared
2302 # When bfd is to be built as a shared library, the same applies to
2304 if test "$enable_shared" = "yes"; then
2305 extra_host_zlib_configure_flags=--enable-host-shared
2309 AC_SUBST(extra_host_libiberty_configure_flags)
2310 AC_SUBST(extra_host_zlib_configure_flags)
2312 # Produce a warning message for the subdirs we can't configure.
2313 # This isn't especially interesting in the Cygnus tree, but in the individual
2314 # FSF releases, it's important to let people know when their machine isn't
2315 # supported by the one or two programs in a package.
2317 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2318 # If $appdirs is non-empty, at least one of those directories must still
2319 # be configured, or we error out. (E.g., if the gas release supports a
2320 # specified target in some subdirs but not the gas subdir, we shouldn't
2321 # pretend that all is well.)
2322 if test -n "$appdirs" ; then
2323 for dir in $appdirs ; do
2324 if test -r $dir/Makefile.in ; then
2325 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2329 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2335 if test -n "$appdirs" ; then
2336 echo "*** This configuration is not supported by this package." 1>&2
2340 # Okay, some application will build, or we don't care to check. Still
2341 # notify of subdirs not getting built.
2342 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2343 echo " ${notsupp}" 1>&2
2344 echo " (Any other directories should still work fine.)" 1>&2
2352 # To find our prefix, in gcc_cv_tool_prefix.
2357 AC_ARG_WITH([build-sysroot],
2358 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2359 [use sysroot as the system root during the build])],
2360 [if test x"$withval" != x ; then
2361 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2363 [SYSROOT_CFLAGS_FOR_TARGET=])
2364 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2366 AC_ARG_WITH([debug-prefix-map],
2367 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2368 [map A to B, C to D ... in debug information])],
2369 [if test x"$withval" != x; then
2370 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2371 for debug_map in $withval; do
2372 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2375 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2376 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2378 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2379 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2380 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2381 # We want to ensure that TARGET libraries (which we know are built with
2382 # gcc) are built with "-O2 -g", so include those options when setting
2383 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2384 if test "x$CFLAGS_FOR_TARGET" = x; then
2385 if test "x${is_cross_compiler}" = xyes; then
2386 CFLAGS_FOR_TARGET="-g -O2"
2388 CFLAGS_FOR_TARGET=$CFLAGS
2391 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2394 *" -g "* | *" -g3 "*) ;;
2395 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2399 AC_SUBST(CFLAGS_FOR_TARGET)
2401 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2402 if test "x${is_cross_compiler}" = xyes; then
2403 CXXFLAGS_FOR_TARGET="-g -O2"
2405 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2406 case " $CXXFLAGS " in
2408 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2410 case " $CXXFLAGS " in
2411 *" -g "* | *" -g3 "*) ;;
2412 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2416 AC_SUBST(CXXFLAGS_FOR_TARGET)
2418 AC_SUBST(LDFLAGS_FOR_TARGET)
2420 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2421 # the named directory are copied to $(tooldir)/sys-include.
2422 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2423 if test x${is_cross_compiler} = xno ; then
2424 echo 1>&2 '***' --with-headers is only supported when cross compiling
2427 if test x"${with_headers}" != xyes ; then
2428 x=${gcc_cv_tool_prefix}
2429 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2433 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2434 # the name directories are copied to $(tooldir)/lib. Multiple directories
2436 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2437 if test x${is_cross_compiler} = xno ; then
2438 echo 1>&2 '***' --with-libs is only supported when cross compiling
2441 if test x"${with_libs}" != xyes ; then
2442 # Copy the libraries in reverse order, so that files in the first named
2443 # library override files in subsequent libraries.
2444 x=${gcc_cv_tool_prefix}
2445 for l in ${with_libs}; do
2446 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2451 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2453 # This is done by determining whether or not the appropriate directory
2454 # is available, and by checking whether or not specific configurations
2455 # have requested that this magic not happen.
2457 # The command line options always override the explicit settings in
2458 # configure.ac, and the settings in configure.ac override this magic.
2460 # If the default for a toolchain is to use GNU as and ld, and you don't
2461 # want to do that, then you should use the --without-gnu-as and
2462 # --without-gnu-ld options for the configure script. Similarly, if
2463 # the default is to use the included zlib and you don't want to do that,
2464 # you should use the --with-system-zlib option for the configure script.
2466 if test x${use_gnu_as} = x &&
2467 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2469 extra_host_args="$extra_host_args --with-gnu-as"
2472 if test x${use_gnu_ld} = x &&
2473 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2475 extra_host_args="$extra_host_args --with-gnu-ld"
2478 if test x${use_included_zlib} = x &&
2479 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2482 with_system_zlib=yes
2483 extra_host_args="$extra_host_args --with-system-zlib"
2486 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2487 # can detect this case.
2489 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2491 extra_host_args="$extra_host_args --with-newlib"
2494 # Handle ${copy_dirs}
2495 set fnord ${copy_dirs}
2497 while test $# != 0 ; do
2498 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2501 echo Copying $1 to $2
2503 # Use the install script to create the directory and all required
2504 # parent directories.
2505 if test -d $2 ; then
2509 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2512 # Copy the directory, assuming we have tar.
2513 # FIXME: Should we use B in the second tar? Not all systems support it.
2514 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2516 # It is the responsibility of the user to correctly adjust all
2517 # symlinks. If somebody can figure out how to handle them correctly
2518 # here, feel free to add the code.
2525 # Determine a target-dependent exec_prefix that the installed
2526 # gcc will search in. Keep this list sorted by triplet, with
2527 # the *-*-osname triplets last.
2530 i[[34567]]86-pc-msdosdjgpp*)
2531 md_exec_prefix=/dev/env/DJDIR/bin
2536 md_exec_prefix=/usr/ccs/bin
2540 extra_arflags_for_target=
2541 extra_nmflags_for_target=
2542 extra_ranlibflags_for_target=
2543 target_makefile_frag=/dev/null
2546 target_makefile_frag="config/mt-spu"
2548 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2549 target_makefile_frag="config/mt-sde"
2551 mipsisa*-*-elfoabi*)
2552 target_makefile_frag="config/mt-mips-elfoabi"
2554 mips*-*-*linux* | mips*-*-gnu*)
2555 target_makefile_frag="config/mt-mips-gnu"
2558 target_makefile_frag="config/mt-nios2-elf"
2560 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2561 target_makefile_frag="config/mt-gnu"
2563 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2564 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2565 # commands to handle both 32-bit and 64-bit objects. These flags are
2566 # harmless if we're using GNU nm or ar.
2567 extra_arflags_for_target=" -X32_64"
2568 extra_nmflags_for_target=" -B -X32_64"
2572 alphaieee_frag=/dev/null
2575 # This just makes sure to use the -mieee option to build target libs.
2576 # This should probably be set individually by each library.
2577 alphaieee_frag="config/mt-alphaieee"
2581 # If --enable-target-optspace always use -Os instead of -O2 to build
2582 # the target libraries, similarly if it is not specified, use -Os
2583 # on selected platforms.
2584 ospace_frag=/dev/null
2585 case "${enable_target_optspace}:${target}" in
2587 ospace_frag="config/mt-ospace"
2590 ospace_frag="config/mt-d30v"
2592 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2593 ospace_frag="config/mt-ospace"
2598 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2602 # Some systems (e.g., one of the i386-aix systems the gas testers are
2603 # using) don't handle "\$" correctly, so don't use it here.
2604 tooldir='${exec_prefix}'/${target_noncanonical}
2605 build_tooldir=${tooldir}
2607 # Create a .gdbinit file which runs the one in srcdir
2608 # and tells GDB to look there for source files.
2610 if test -r ${srcdir}/.gdbinit ; then
2613 *) cat > ./.gdbinit <<EOF
2617 source ${srcdir}/.gdbinit
2623 # Make sure that the compiler is able to generate an executable. If it
2624 # can't, we are probably in trouble. We don't care whether we can run the
2625 # executable--we might be using a cross compiler--we only care whether it
2626 # can be created. At this point the main configure script has set CC.
2628 echo "int main () { return 0; }" > conftest.c
2629 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2630 if test $? = 0 ; then
2631 if test -s conftest || test -s conftest.exe ; then
2637 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2638 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2645 # Decide which environment variable is used to find dynamic libraries.
2647 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2648 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2649 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2650 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2653 # On systems where the dynamic library environment variable is PATH,
2654 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2655 # built executables to PATH.
2656 if test "$RPATH_ENVVAR" = PATH; then
2657 GCC_SHLIB_SUBDIR=/shlib
2662 # Adjust the toplevel makefile according to whether bootstrap was selected.
2663 case $enable_bootstrap in
2665 bootstrap_suffix=bootstrap
2666 BUILD_CONFIG=bootstrap-debug
2669 bootstrap_suffix=no-bootstrap
2674 AC_MSG_CHECKING(for default BUILD_CONFIG)
2676 AC_ARG_WITH([build-config],
2677 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2678 [use config/NAME.mk build configuration])],
2679 [case $with_build_config in
2680 yes) with_build_config= ;;
2681 no) with_build_config= BUILD_CONFIG= ;;
2684 if test "x${with_build_config}" != x; then
2685 BUILD_CONFIG=$with_build_config
2687 case $BUILD_CONFIG in
2689 if echo "int f (void) { return 0; }" > conftest.c &&
2690 ${CC} -c conftest.c &&
2691 mv conftest.o conftest.o.g0 &&
2692 ${CC} -c -g conftest.c &&
2693 mv conftest.o conftest.o.g &&
2694 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2699 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2703 AC_MSG_RESULT($BUILD_CONFIG)
2704 AC_SUBST(BUILD_CONFIG)
2706 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2707 AC_MSG_CHECKING([for --enable-vtable-verify])
2708 AC_ARG_ENABLE(vtable-verify,
2709 [AS_HELP_STRING([--enable-vtable-verify],
2710 [Enable vtable verification feature])],
2711 [case "$enableval" in
2712 yes) enable_vtable_verify=yes ;;
2713 no) enable_vtable_verify=no ;;
2714 *) enable_vtable_verify=no;;
2716 [enable_vtable_verify=no])
2717 AC_MSG_RESULT($enable_vtable_verify)
2719 # Record target_configdirs and the configure arguments for target and
2720 # build configuration in Makefile.
2721 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2722 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2723 bootstrap_fixincludes=no
2725 # If we are building libgomp, bootstrap it.
2726 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2727 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2730 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2731 # or bootstrap-ubsan, bootstrap it.
2732 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2733 case "$BUILD_CONFIG" in
2734 *bootstrap-asan* | *bootstrap-ubsan* )
2735 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2736 bootstrap_fixincludes=yes
2741 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2742 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2743 test "$enable_vtable_verify" != no; then
2744 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2747 # If we are building libmpx, bootstrap it.
2748 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2749 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2752 # Determine whether gdb needs tk/tcl or not.
2753 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2754 # and in that case we want gdb to be built without tk. Ugh!
2755 # In fact I believe gdb is the *only* package directly dependent on tk,
2756 # so we should be able to put the 'maybe's in unconditionally and
2757 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2758 # 100% sure that that's safe though.
2760 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2761 case "$enable_gdbtk" in
2765 GDB_TK="${gdb_tk}" ;;
2767 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2768 # distro. Eventually someone will fix this and move Insight, nee
2769 # gdbtk to a separate directory.
2770 if test -d ${srcdir}/gdb/gdbtk ; then
2777 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2778 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2780 # Strip out unwanted targets.
2782 # While at that, we remove Makefiles if we were started for recursive
2783 # configuration, so that the top-level Makefile reconfigures them,
2784 # like we used to do when configure itself was recursive.
2786 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2787 # but now we're fixing up the Makefile ourselves with the additional
2788 # commands passed to AC_CONFIG_FILES. Use separate variables
2789 # extrasub-{build,host,target} not because there is any reason to split
2790 # the substitutions up that way, but only to remain below the limit of
2791 # 99 commands in a script, for HP-UX sed.
2792 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2794 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2795 yes:yes:*\ gold\ *:*,c++,*) ;;
2796 yes:yes:*\ gold\ *:*)
2797 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2802 for module in ${build_configdirs} ; do
2803 if test -z "${no_recursion}" \
2804 && test -f ${build_subdir}/${module}/Makefile; then
2805 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2806 rm -f ${build_subdir}/${module}/Makefile
2808 extrasub_build="$extrasub_build
2809 /^@if build-$module\$/d
2810 /^@endif build-$module\$/d
2811 /^@if build-$module-$bootstrap_suffix\$/d
2812 /^@endif build-$module-$bootstrap_suffix\$/d"
2815 for module in ${configdirs} ; do
2816 if test -z "${no_recursion}"; then
2817 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2818 if test -f ${file}; then
2819 echo 1>&2 "*** removing ${file} to force reconfigure"
2824 case ${module},${bootstrap_fixincludes} in
2825 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2826 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2828 extrasub_host="$extrasub_host
2830 /^@endif $module\$/d
2831 /^@if $module-$host_bootstrap_suffix\$/d
2832 /^@endif $module-$host_bootstrap_suffix\$/d"
2835 for module in ${target_configdirs} ; do
2836 if test -z "${no_recursion}" \
2837 && test -f ${target_subdir}/${module}/Makefile; then
2838 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2839 rm -f ${target_subdir}/${module}/Makefile
2842 # We only bootstrap target libraries listed in bootstrap_target_libs.
2843 case $bootstrap_target_libs in
2844 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2845 *) target_bootstrap_suffix=no-bootstrap ;;
2848 extrasub_target="$extrasub_target
2849 /^@if target-$module\$/d
2850 /^@endif target-$module\$/d
2851 /^@if target-$module-$target_bootstrap_suffix\$/d
2852 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2855 # Do the final fixup along with target modules.
2856 extrasub_target="$extrasub_target
2857 /^@if /,/^@endif /d"
2859 # Create the serialization dependencies. This uses a temporary file.
2861 AC_ARG_ENABLE([serial-configure],
2862 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2863 [force sequential configuration of
2864 sub-packages for the host, target or build
2865 machine, or all sub-packages])])
2867 case ${enable_serial_configure} in
2869 enable_serial_build_configure=yes
2870 enable_serial_host_configure=yes
2871 enable_serial_target_configure=yes
2875 # These force 'configure's to be done one at a time, to avoid problems
2876 # with contention over a shared config.cache.
2878 echo '# serdep.tmp' > serdep.tmp
2880 test "x${enable_serial_build_configure}" = xyes &&
2881 for item in ${build_configdirs} ; do
2884 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2889 test "x${enable_serial_host_configure}" = xyes &&
2890 for item in ${configdirs} ; do
2893 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2898 test "x${enable_serial_target_configure}" = xyes &&
2899 for item in ${target_configdirs} ; do
2902 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2906 serialization_dependencies=serdep.tmp
2907 AC_SUBST_FILE(serialization_dependencies)
2909 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2910 # target, nonopt, and variable assignments. These are the ones we
2911 # might not want to pass down to subconfigures. The exception being
2912 # --cache-file=/dev/null, which is used to turn off the use of cache
2913 # files altogether, and which should be passed on to subconfigures.
2914 # Also strip program-prefix, program-suffix, and program-transform-name,
2915 # so that we can pass down a consistent program-transform-name.
2920 eval "set -- $ac_configure_args"
2923 if test X"$skip_next" = X"yes"; then
2927 if test X"$keep_next" = X"yes"; then
2930 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2932 baseargs="$baseargs '$ac_arg'"
2933 tbaseargs="$tbaseargs '$ac_arg'"
2938 # Handle separated arguments. Based on the logic generated by
2941 *=* | --config-cache | -C | -disable-* | --disable-* \
2942 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2943 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2944 | -with-* | --with-* | -without-* | --without-* | --x)
2958 --with-* | --without-*)
2959 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2963 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2966 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2975 mpc | mpfr | gmp | isl)
2976 # If we're processing --with-$lib, --with-$lib-include or
2977 # --with-$lib-lib, for one of the libs above, and target is
2978 # different from host, don't pass the current argument to any
2979 # target library's configure.
2980 if test x$is_cross_compiler = xyes; then
2989 --cache-file=/dev/null | \
2990 -cache-file=/dev/null )
2991 # Handled here to avoid the test to skip args below.
2992 baseargs="$baseargs '$ac_arg'"
2993 tbaseargs="$tbaseargs '$ac_arg'"
2994 # Assert: $separate_arg should always be no.
2995 keep_next=$separate_arg
3011 -program-prefix* | \
3012 -program-suffix* | \
3013 -program-transform-name* )
3014 skip_next=$separate_arg
3018 # An option. Add it.
3021 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3023 baseargs="$baseargs '$ac_arg'"
3024 if test X"$skip_targ" = Xno; then
3025 tbaseargs="$tbaseargs '$ac_arg'"
3027 keep_next=$separate_arg
3030 # Either a variable assignment, or a nonopt (triplet). Don't
3031 # pass it down; let the Makefile handle this.
3036 # Remove the initial space we just introduced and, as these will be
3037 # expanded by make, quote '$'.
3038 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3040 # Add in --program-transform-name, after --program-prefix and
3041 # --program-suffix have been applied to it. Autoconf has already
3042 # doubled dollar signs and backslashes in program_transform_name; we want
3043 # the backslashes un-doubled, and then the entire thing wrapped in single
3044 # quotes, because this will be expanded first by make and then by the shell.
3045 # Also, because we want to override the logic in subdir configure scripts to
3046 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3047 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3048 ${program_transform_name}
3050 gcc_transform_name=`cat conftestsed.out`
3051 rm -f conftestsed.out
3052 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3053 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3054 if test "$silent" = yes; then
3055 baseargs="$baseargs --silent"
3056 tbaseargs="$tbaseargs --silent"
3058 baseargs="$baseargs --disable-option-checking"
3059 tbaseargs="$tbaseargs --disable-option-checking"
3061 # Record and document user additions to sub configure arguments.
3062 AC_ARG_VAR([build_configargs],
3063 [additional configure arguments for build directories])
3064 AC_ARG_VAR([host_configargs],
3065 [additional configure arguments for host directories])
3066 AC_ARG_VAR([target_configargs],
3067 [additional configure arguments for target directories])
3069 # For the build-side libraries, we just need to pretend we're native,
3070 # and not use the same cache file. Multilibs are neither needed nor
3071 # desired. We can't even use the same cache file for all build-side
3072 # libraries, as they're compiled differently; some with C, some with
3073 # C++ or with different feature-enabling options.
3074 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3076 # For host modules, accept cache file option, or specification as blank.
3077 case "${cache_file}" in
3079 cache_file_option="" ;;
3080 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3081 cache_file_option="--cache-file=${cache_file}" ;;
3083 cache_file_option="--cache-file=../${cache_file}" ;;
3086 # Host dirs don't like to share a cache file either, horribly enough.
3087 # This seems to be due to autoconf 2.5x stupidity.
3088 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3090 target_configargs="$target_configargs ${tbaseargs}"
3092 # Passing a --with-cross-host argument lets the target libraries know
3093 # whether they are being built with a cross-compiler or being built
3094 # native. However, it would be better to use other mechanisms to make the
3095 # sorts of decisions they want to make on this basis. Please consider
3096 # this option to be deprecated. FIXME.
3097 if test x${is_cross_compiler} = xyes ; then
3098 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3101 # Special user-friendly check for native x86_64-linux build, if
3102 # multilib is not explicitly enabled.
3103 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3104 x86_64-*linux*:yes:$build:$build:)
3105 # Make sure we have a development environment that handles 32-bit
3107 echo "int main () { return 0; }" > conftest.c
3108 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3109 if test $? = 0 ; then
3110 if test -s conftest || test -s conftest.exe ; then
3115 if test x${dev64} != xyes ; then
3116 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.])
3121 # Default to --enable-multilib.
3122 if test x${enable_multilib} = x ; then
3123 target_configargs="--enable-multilib ${target_configargs}"
3126 # Pass --with-newlib if appropriate. Note that target_configdirs has
3127 # changed from the earlier setting of with_newlib.
3128 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3129 target_configargs="--with-newlib ${target_configargs}"
3132 # Different target subdirs use different values of certain variables
3133 # (notably CXX). Worse, multilibs use *lots* of different values.
3134 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3135 # it doesn't automatically accept command-line overrides of them.
3136 # This means it's not safe for target subdirs to share a cache file,
3137 # which is disgusting, but there you have it. Hopefully this can be
3138 # fixed in future. It's still worthwhile to use a cache file for each
3139 # directory. I think.
3141 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3142 # We need to pass --target, as newer autoconf's requires consistency
3143 # for target_alias and gcc doesn't manage it consistently.
3144 target_configargs="--cache-file=./config.cache ${target_configargs}"
3147 case " $target_configdirs " in
3149 case " $target_configargs " in
3150 *" --with-newlib "*)
3153 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3157 # If we're not building GCC, don't discard standard headers.
3158 if test -d ${srcdir}/gcc; then
3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3161 if test "${build}" != "${host}"; then
3162 # On Canadian crosses, CC_FOR_TARGET will have already been set
3163 # by `configure', so we won't have an opportunity to add -Bgcc/
3164 # to it. This is right: we don't want to search that directory
3165 # for binaries, but we want the header files in there, so add
3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3169 # Someone might think of using the pre-installed headers on
3170 # Canadian crosses, in case the installed compiler is not fully
3171 # compatible with the compiler being built. In this case, it
3172 # would be better to flag an error than risking having
3173 # incompatible object files being constructed. We can't
3174 # guarantee that an error will be flagged, but let's hope the
3175 # compiler will do it, when presented with incompatible header
3180 case "${target}-${is_cross_compiler}" in
3181 i[[3456789]]86-*-linux*-no)
3182 # Here host == target, so we don't need to build gcc,
3183 # so we don't want to discard standard headers.
3184 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3187 # If we're building newlib, use its generic headers last, but search
3188 # for any libc-related directories first (so make it the last -B
3190 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3192 # If we're building libgloss, find the startup file, simulator library
3193 # and linker script.
3194 case " $target_configdirs " in
3196 # Look for startup file, simulator library and maybe linker script.
3197 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3198 # Look for libnosys.a in case the target needs it.
3199 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3200 # Most targets have the linker script in the source directory.
3201 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3212 x86_64-*mingw* | *-w64-mingw*)
3213 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3214 # however, use a symlink named 'mingw' in ${prefix} .
3215 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3218 # MinGW can't be handled as Cygwin above since it does not use newlib.
3219 FLAGS_FOR_TARGET=$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'
3223 # Allow the user to override the flags for
3224 # our build compiler if desired.
3225 if test x"${build}" = x"${host}" ; then
3226 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3227 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3228 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3231 # On Canadian crosses, we'll be searching the right directories for
3232 # the previously-installed cross compiler, so don't bother to add
3233 # flags for directories within the install tree of the compiler
3234 # being built; programs in there won't even run.
3235 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3236 # Search for pre-installed headers if nothing else fits.
3237 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3240 if test "x${use_gnu_ld}" = x &&
3241 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3242 # Arrange for us to find uninstalled linker scripts.
3243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3246 # Search for other target-specific linker scripts and such.
3249 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3253 # Makefile fragments.
3254 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3256 eval fragval=\$$frag
3257 if test $fragval != /dev/null; then
3258 eval $frag=${srcdir}/$fragval
3261 AC_SUBST_FILE(host_makefile_frag)
3262 AC_SUBST_FILE(target_makefile_frag)
3263 AC_SUBST_FILE(alphaieee_frag)
3264 AC_SUBST_FILE(ospace_frag)
3266 # Miscellanea: directories, flags, etc.
3267 AC_SUBST(RPATH_ENVVAR)
3268 AC_SUBST(GCC_SHLIB_SUBDIR)
3270 AC_SUBST(build_tooldir)
3271 AC_SUBST(CONFIGURE_GDB_TK)
3273 AC_SUBST(INSTALL_GDB_TK)
3275 # Build module lists & subconfigure args.
3276 AC_SUBST(build_configargs)
3277 AC_SUBST(build_configdirs)
3279 # Host module lists & subconfigure args.
3280 AC_SUBST(host_configargs)
3281 AC_SUBST(configdirs)
3282 AC_SUBST(target_configdirs)
3284 # Target module lists & subconfigure args.
3285 AC_SUBST(target_configargs)
3289 AC_SUBST(AR_FOR_BUILD)
3290 AC_SUBST(AS_FOR_BUILD)
3291 AC_SUBST(CC_FOR_BUILD)
3292 AC_SUBST(CFLAGS_FOR_BUILD)
3293 AC_SUBST(CXXFLAGS_FOR_BUILD)
3294 AC_SUBST(CXX_FOR_BUILD)
3295 AC_SUBST(DLLTOOL_FOR_BUILD)
3296 AC_SUBST(GCJ_FOR_BUILD)
3297 AC_SUBST(GFORTRAN_FOR_BUILD)
3298 AC_SUBST(GOC_FOR_BUILD)
3299 AC_SUBST(LDFLAGS_FOR_BUILD)
3300 AC_SUBST(LD_FOR_BUILD)
3301 AC_SUBST(NM_FOR_BUILD)
3302 AC_SUBST(RANLIB_FOR_BUILD)
3303 AC_SUBST(WINDMC_FOR_BUILD)
3304 AC_SUBST(WINDRES_FOR_BUILD)
3306 # Generate default definitions for YACC, M4, LEX and other programs that run
3307 # on the build machine. These are used if the Makefile can't locate these
3308 # programs in objdir.
3309 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3311 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3312 case " $build_configdirs " in
3313 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3316 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3317 case " $build_configdirs " in
3318 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3321 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3322 case " $build_configdirs " in
3323 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3326 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3327 case " $build_configdirs " in
3328 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3329 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3332 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3333 case " $build_configdirs " in
3334 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3337 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3338 case " $build_configdirs " in
3339 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3342 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3343 # higher, else we use the "missing" dummy.
3344 if ${MAKEINFO} --version \
3345 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3348 MAKEINFO="$MISSING makeinfo"
3354 # FIXME: expect and dejagnu may become build tools?
3356 AC_CHECK_PROGS(EXPECT, expect, expect)
3357 case " $configdirs " in
3359 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3363 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3364 case " $configdirs " in
3366 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3372 NCN_STRICT_CHECK_TOOLS(AR, ar)
3373 NCN_STRICT_CHECK_TOOLS(AS, as)
3374 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3375 NCN_STRICT_CHECK_TOOLS(LD, ld)
3376 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3377 NCN_STRICT_CHECK_TOOLS(NM, nm)
3378 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3379 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3380 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3381 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3382 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3383 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3384 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3391 AC_ARG_WITH([build-time-tools],
3392 [AS_HELP_STRING([--with-build-time-tools=PATH],
3393 [use given path to find target tools during the build])],
3394 [case x"$withval" in
3397 with_build_time_tools=
3398 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3401 [with_build_time_tools=])
3403 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3404 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3405 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3406 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3407 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3408 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3410 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3411 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3412 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3413 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3414 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3415 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3416 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3417 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3418 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3419 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3420 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3421 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3422 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3424 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3426 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3427 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3428 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3429 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3430 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3431 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3433 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3434 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3436 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3437 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3438 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3439 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3440 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3441 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3442 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3443 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3444 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3445 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3446 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3447 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3448 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3449 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3450 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3451 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3452 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3453 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3455 AC_SUBST(FLAGS_FOR_TARGET)
3456 AC_SUBST(RAW_CXX_FOR_TARGET)
3458 # Certain tools may need extra flags.
3459 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3460 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3461 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3463 # When building target libraries, except in a Canadian cross, we use
3464 # the same toolchain as the compiler we just built.
3465 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3466 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3467 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3468 if test $host = $build; then
3469 case " $configdirs " in
3471 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3472 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3473 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3478 AC_SUBST(COMPILER_AS_FOR_TARGET)
3479 AC_SUBST(COMPILER_LD_FOR_TARGET)
3480 AC_SUBST(COMPILER_NM_FOR_TARGET)
3482 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3483 AC_ARG_ENABLE(maintainer-mode,
3484 [AS_HELP_STRING([--enable-maintainer-mode],
3485 [enable make rules and dependencies not useful
3486 (and sometimes confusing) to the casual installer])],
3487 USE_MAINTAINER_MODE=$enableval,
3488 USE_MAINTAINER_MODE=no)
3489 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3490 AC_SUBST(MAINTAINER_MODE_TRUE)
3491 AC_SUBST(MAINTAINER_MODE_FALSE)
3492 if test "$USE_MAINTAINER_MODE" = yes; then
3493 MAINTAINER_MODE_TRUE=
3494 MAINTAINER_MODE_FALSE='#'
3496 MAINTAINER_MODE_TRUE='#'
3497 MAINTAINER_MODE_FALSE=
3499 MAINT=$MAINTAINER_MODE_TRUE
3502 # ---------------------
3503 # GCC bootstrap support
3504 # ---------------------
3506 # Stage specific cflags for build.
3511 yes) stage1_cflags="-g -Wa,-J" ;;
3512 *) stage1_cflags="-g -J" ;;
3516 AC_SUBST(stage1_cflags)
3518 # Enable --enable-checking in stage1 of the compiler.
3519 AC_ARG_ENABLE(stage1-checking,
3520 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3521 [choose additional checking for stage1 of the compiler])],
3522 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3523 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3524 # For --disable-checking or implicit --enable-checking=release, avoid
3525 # setting --enable-checking=gc in the default stage1 checking for LTO
3526 # bootstraps. See PR62077.
3527 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3528 case $BUILD_CONFIG in
3530 if test "x$enable_checking" = x && \
3531 test -d ${srcdir}/gcc && \
3532 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3533 stage1_checking=--enable-checking=yes,types
3535 *) stage1_checking=--enable-checking=yes,types;;
3538 stage1_checking=--enable-checking=$enable_checking,types
3540 AC_SUBST(stage1_checking)
3542 # Enable -Werror in bootstrap stage2 and later.
3543 AC_ARG_ENABLE(werror,
3544 [AS_HELP_STRING([--enable-werror],
3545 [enable -Werror in bootstrap stage2 and later])], [],
3546 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3551 case ${enable_werror} in
3552 yes) stage2_werror_flag="--enable-werror-always" ;;
3553 *) stage2_werror_flag="" ;;
3555 AC_SUBST(stage2_werror_flag)
3557 # Enable --enable-host-shared.
3558 AC_ARG_ENABLE(host-shared,
3559 [AS_HELP_STRING([--enable-host-shared],
3560 [build host code as shared libraries])],
3561 [host_shared=$enableval], [host_shared=no])
3562 AC_SUBST(host_shared)
3564 # PR jit/64780: Require the user to explicitly specify
3565 # --enable-host-shared if the jit is enabled, hinting
3566 # that they might want to do a separate configure/build of
3567 # the jit, to avoid users from slowing down the rest of the
3568 # compiler by enabling the jit.
3569 if test ${host_shared} = "no" ; then
3570 case "${enable_languages}" in
3573 Enabling language "jit" requires --enable-host-shared.
3575 --enable-host-shared typically slows the rest of the compiler down by
3576 a few %, so you must explicitly enable it.
3578 If you want to build both the jit and the regular compiler, it is often
3579 best to do this via two separate configure/builds, in separate
3580 directories, to avoid imposing the performance cost of
3581 --enable-host-shared on the regular compiler.])
3588 # Specify what files to not compare during bootstrap.
3590 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3592 hppa*64*-*-hpux*) ;;
3593 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3594 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3596 AC_SUBST(compare_exclusions)
3598 AC_CONFIG_FILES([Makefile],
3599 [sed "$extrasub_build" Makefile |
3600 sed "$extrasub_host" |
3601 sed "$extrasub_target" > mf$$
3602 mv -f mf$$ Makefile],
3603 [extrasub_build="$extrasub_build"
3604 extrasub_host="$extrasub_host"
3605 extrasub_target="$extrasub_target"])