1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # libgfortran represents the runtime libraries only used by fortran.
151 AC_ARG_ENABLE(libgfortran,
152 [AS_HELP_STRING([[--enable-libgfortran[=ARG]]],
153 [build target libgfortran @<:@ARG={default,yes,no}@:>@])],
154 libgfortran="target-libgfortran",
157 # these libraries are built for the target environment, and are built after
158 # the host libraries and the host tools (which may be a cross compiler)
159 # Note that libiberty is not a target library.
160 target_libraries="target-libgcc \
161 target-libbacktrace \
166 target-liboffloadmic \
169 target-libstdc++-v3 \
170 target-libsanitizer \
182 # these tools are built using the target libraries, and are intended to
183 # run only in the target environment
185 # note: any program that *uses* libraries that are in the "target_libraries"
186 # list belongs in this list.
188 target_tools="target-rda"
190 ################################################################################
192 ## All tools belong in one of the four categories, and are assigned above
193 ## We assign ${configdirs} this way to remove all embedded newlines. This
194 ## is important because configure will choke if they ever get through.
195 ## ${configdirs} is directories we build using the host tools.
196 ## ${target_configdirs} is directories we build using the target tools.
197 configdirs=`echo ${host_libs} ${host_tools}`
198 target_configdirs=`echo ${target_libraries} ${target_tools}`
199 build_configdirs=`echo ${build_libs} ${build_tools}`
201 m4_divert_text([PARSE_ARGS],
204 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
205 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
206 m4_popdef([AS_MESSAGE_LOG_FD])dnl
209 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
212 ################################################################################
214 srcname="gnu development package"
216 # This gets set non-empty for some net releases of packages.
219 # Define is_cross_compiler to save on calls to 'test'.
221 if test x"${host}" = x"${target}" ; then
224 is_cross_compiler=yes
227 # Find the build and target subdir names.
229 # Be sure to cover against remnants of an in-tree build.
230 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
231 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
232 Use a pristine source tree when building in a separate tree])
235 # Skipdirs are removed silently.
237 # Noconfigdirs are removed loudly.
241 # Make sure we don't let GNU ld be added if we didn't want it.
242 if test x$with_gnu_ld = xno ; then
244 noconfigdirs="$noconfigdirs ld gold"
248 # Make sure we don't let GNU as be added if we didn't want it.
249 if test x$with_gnu_as = xno ; then
251 noconfigdirs="$noconfigdirs gas"
255 AC_ARG_WITH(system-zlib,
256 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
257 # Make sure we don't let ZLIB be added if we didn't want it.
258 if test x$with_system_zlib = xyes ; then
260 noconfigdirs="$noconfigdirs zlib"
263 # some tools are so dependent upon X11 that if we're not building with X,
264 # it's not even worth trying to configure, much less build, that tool.
267 yes | "") ;; # the default value for this tree is that X11 is available
269 skipdirs="${skipdirs} tk itcl libgui"
270 # We won't be able to build gdbtk without X.
273 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
276 # Some are only suitable for cross toolchains.
277 # Remove these if host=target.
278 cross_only="target-libgloss target-newlib target-opcodes"
280 case $is_cross_compiler in
281 no) skipdirs="${skipdirs} ${cross_only}" ;;
284 # If both --with-headers and --with-libs are specified, default to
286 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
287 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
288 if test x"${with_newlib}" = x ; then
293 # Recognize --with-newlib/--without-newlib.
294 case ${with_newlib} in
295 no) skipdirs="${skipdirs} target-newlib" ;;
296 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
299 AC_ARG_ENABLE(as-accelerator-for,
300 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
301 [build as offload target compiler.
302 Specify offload host triple by ARG])])
304 AC_ARG_ENABLE(offload-targets,
305 [AS_HELP_STRING([--enable-offload-targets=LIST],
306 [enable offloading to devices from comma-separated LIST of
307 TARGET[=DIR]. Use optional path to find offload target compiler
310 if test x"$enable_offload_targets" = x; then
311 AC_MSG_ERROR([no offload targets specified])
313 ], [enable_offload_targets=])
315 # Handle --enable-gold, --enable-ld.
316 # --disable-gold [--enable-ld]
317 # Build only ld. Default option.
318 # --enable-gold [--enable-ld]
319 # Build both gold and ld. Install gold as "ld.gold", install ld
320 # as "ld.bfd" and "ld".
321 # --enable-gold=default [--enable-ld]
322 # Build both gold and ld. Install gold as "ld.gold" and "ld",
323 # install ld as "ld.bfd".
324 # --enable-gold[=default] --disable-ld
325 # Build only gold, which is then installed as both "ld.gold" and "ld".
326 # --enable-gold --enable-ld=default
327 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
329 # In other words, ld is default
330 # --enable-gold=default --enable-ld=default
335 [AS_HELP_STRING([[--enable-gold[=ARG]]],
336 [build gold @<:@ARG={default,yes,no}@:>@])],
337 ENABLE_GOLD=$enableval,
339 case "${ENABLE_GOLD}" in
341 # Check for ELF target.
344 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
345 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
346 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
347 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
349 *-*-linux*aout* | *-*-linux*oldld*)
357 if test "$is_elf" = "yes"; then
358 # Check for target supported by gold.
360 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
361 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
362 configdirs="$configdirs gold"
363 if test x${ENABLE_GOLD} = xdefault; then
374 AC_MSG_ERROR([invalid --enable-gold argument])
379 [AS_HELP_STRING([[--enable-ld[=ARG]]],
380 [build ld @<:@ARG={default,yes,no}@:>@])],
381 ENABLE_LD=$enableval,
384 case "${ENABLE_LD}" in
386 if test x${default_ld} != x; then
387 AC_MSG_ERROR([either gold or ld can be the default ld])
393 if test x${ENABLE_GOLD} != xyes; then
394 AC_MSG_WARN([neither ld nor gold are enabled])
396 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
399 AC_MSG_ERROR([invalid --enable-ld argument])
404 # Decide the default method for compressing debug sections.
405 # Provide a configure time option to override our default.
406 AC_ARG_ENABLE(compressed_debug_sections,
407 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
408 [Enable compressed debug sections for gas, gold or ld by
411 if test x"$enable_compressed_debug_sections" = xyes; then
412 AC_MSG_ERROR([no program with compressed debug sections specified])
414 ], [enable_compressed_debug_sections=])
416 # Configure extra directories which are host specific
420 configdirs="$configdirs libtermcap" ;;
423 # A target can indicate whether a language isn't supported for some reason.
424 # Only spaces may be used in this macro; not newlines or tabs.
425 unsupported_languages=
427 # Remove more programs from consideration, based on the host or
428 # target this usually means that a port of the program doesn't
432 i[[3456789]]86-*-msdosdjgpp*)
433 noconfigdirs="$noconfigdirs tcl tk itcl"
438 AC_ARG_ENABLE(libquadmath,
439 AS_HELP_STRING([--disable-libquadmath],
440 [do not build libquadmath directory]),
441 ENABLE_LIBQUADMATH=$enableval,
442 ENABLE_LIBQUADMATH=yes)
443 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
444 noconfigdirs="$noconfigdirs target-libquadmath"
448 AC_ARG_ENABLE(libquadmath-support,
449 AS_HELP_STRING([--disable-libquadmath-support],
450 [disable libquadmath support for Fortran]),
451 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
452 ENABLE_LIBQUADMATH_SUPPORT=yes)
453 enable_libquadmath_support=
454 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
455 enable_libquadmath_support=no
459 AC_ARG_ENABLE(libada,
460 [AS_HELP_STRING([--enable-libada], [build libada directory])],
461 ENABLE_LIBADA=$enableval,
463 if test "${ENABLE_LIBADA}" != "yes" ; then
464 noconfigdirs="$noconfigdirs gnattools"
467 AC_ARG_ENABLE(libssp,
468 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
469 ENABLE_LIBSSP=$enableval,
472 AC_ARG_ENABLE(libstdcxx,
473 AS_HELP_STRING([--disable-libstdcxx],
474 [do not build libstdc++-v3 directory]),
475 ENABLE_LIBSTDCXX=$enableval,
476 ENABLE_LIBSTDCXX=default)
477 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
478 noconfigdirs="$noconfigdirs target-libstdc++-v3"
481 # If this is accelerator compiler and its target is intelmic we enable
482 # target liboffloadmic by default. If this is compiler with offloading
483 # for intelmic we enable host liboffloadmic by default. Otherwise
484 # liboffloadmic is disabled by default.
485 AC_ARG_ENABLE([liboffloadmic],
486 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
487 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
488 [case "$enableval" in
490 enable_liboffloadmic=$enableval ;;
492 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
494 [if test x"$enable_as_accelerator_for" != x; then
496 *-intelmic-* | *-intelmicemul-*)
497 enable_liboffloadmic=target
498 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
501 enable_liboffloadmic=no
505 case "${enable_offload_targets}" in
506 *-intelmic-* | *-intelmicemul-*)
507 enable_liboffloadmic=host
508 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
511 enable_liboffloadmic=no
515 AC_SUBST(extra_liboffloadmic_configure_flags)
517 # Save it here so that, even in case of --enable-libgcj, if the Java
518 # front-end isn't enabled, we still get libgcj disabled.
520 case $enable_libgcj in
522 # If we reset it here, it won't get added to noconfigdirs in the
523 # target-specific build rules, so it will be forcibly enabled
524 # (unless the Java language itself isn't enabled).
528 # Make sure we get it printed in the list of not supported target libs.
529 # Don't disable libffi, though, other languages use it.
530 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
531 # Clear libgcj_saved so that even if java is enabled libffi won't be
537 AC_ARG_ENABLE(static-libjava,
538 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
539 [build static libjava @<:@default=no@:>@])],
540 ENABLE_STATIC_LIBJAVA=$enableval,
541 ENABLE_STATIC_LIBJAVA=no)
542 enable_static_libjava=
543 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
544 enable_static_libjava=yes
547 if test x$enable_static_libjava != xyes ; then
548 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
550 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
552 # Enable libgomp by default on hosted POSIX systems, and a few others.
553 if test x$enable_libgomp = x ; then
555 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
557 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
559 *-*-solaris2* | *-*-hpux11*)
561 *-*-darwin* | *-*-aix*)
566 noconfigdirs="$noconfigdirs target-libgomp"
571 # Disable libatomic on unsupported systems.
572 if test -d ${srcdir}/libatomic; then
573 if test x$enable_libatomic = x; then
574 AC_MSG_CHECKING([for libatomic support])
575 if (srcdir=${srcdir}/libatomic; \
576 . ${srcdir}/configure.tgt; \
577 test -n "$UNSUPPORTED")
580 noconfigdirs="$noconfigdirs target-libatomic"
587 # Disable libcilkrts on unsupported systems.
588 if test -d ${srcdir}/libcilkrts; then
589 if test x$enable_libcilkrts = x; then
590 AC_MSG_CHECKING([for libcilkrts support])
591 if (srcdir=${srcdir}/libcilkrts; \
592 . ${srcdir}/configure.tgt; \
593 test -n "$UNSUPPORTED")
596 noconfigdirs="$noconfigdirs target-libcilkrts"
603 # Disable liboffloadmic on unsupported systems.
604 if test -d ${srcdir}/liboffloadmic; then
605 if test x$enable_liboffloadmic != xno; then
606 AC_MSG_CHECKING([for liboffloadmic support])
607 if (srcdir=${srcdir}/liboffloadmic; \
608 . ${srcdir}/configure.tgt; \
609 test -n "$UNSUPPORTED")
612 noconfigdirs="$noconfigdirs target-liboffloadmic"
619 # Disable libitm on unsupported systems.
620 if test -d ${srcdir}/libitm; then
621 if test x$enable_libitm = x; then
622 AC_MSG_CHECKING([for libitm support])
623 if (srcdir=${srcdir}/libitm; \
624 . ${srcdir}/configure.tgt; \
625 test -n "$UNSUPPORTED")
628 noconfigdirs="$noconfigdirs target-libitm"
635 # Disable libsanitizer on unsupported systems.
636 if test -d ${srcdir}/libsanitizer; then
637 if test x$enable_libsanitizer = x; then
638 AC_MSG_CHECKING([for libsanitizer support])
639 if (srcdir=${srcdir}/libsanitizer; \
640 . ${srcdir}/configure.tgt; \
641 test -n "$UNSUPPORTED")
644 noconfigdirs="$noconfigdirs target-libsanitizer"
651 # Disable libvtv on unsupported systems.
652 if test -d ${srcdir}/libvtv; then
653 if test x$enable_libvtv = x; then
654 AC_MSG_CHECKING([for libvtv support])
655 if (srcdir=${srcdir}/libvtv; \
656 . ${srcdir}/configure.tgt; \
657 test "$VTV_SUPPORTED" != "yes")
660 noconfigdirs="$noconfigdirs target-libvtv"
668 # Enable libmpx on supported systems by request.
669 if test -d ${srcdir}/libmpx; then
670 if test x$enable_libmpx = x; then
671 AC_MSG_CHECKING([for libmpx support])
672 if (srcdir=${srcdir}/libmpx; \
673 . ${srcdir}/configure.tgt; \
674 test "$LIBMPX_SUPPORTED" != "yes")
677 noconfigdirs="$noconfigdirs target-libmpx"
686 # Disable libquadmath for some systems.
689 noconfigdirs="$noconfigdirs target-libquadmath"
691 # libquadmath is unused on AIX and libquadmath build process use of
692 # LD_LIBRARY_PATH can break AIX bootstrap.
693 powerpc-*-aix* | rs6000-*-aix*)
694 noconfigdirs="$noconfigdirs target-libquadmath"
698 # Disable libssp for some systems.
701 # No hosted I/O support.
702 noconfigdirs="$noconfigdirs target-libssp"
704 powerpc-*-aix* | rs6000-*-aix*)
705 noconfigdirs="$noconfigdirs target-libssp"
708 # libssp uses a misaligned load to trigger a fault, but the RL78
709 # doesn't fault for those - instead, it gives a build-time error
710 # for explicit misaligned loads.
711 noconfigdirs="$noconfigdirs target-libssp"
714 # No hosted I/O support.
715 noconfigdirs="$noconfigdirs target-libssp"
719 # Disable libstdc++-v3 for some systems.
720 # Allow user to override this if they pass --enable-libstdc++-v3
721 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
724 # VxWorks uses the Dinkumware C++ library.
725 noconfigdirs="$noconfigdirs target-libstdc++-v3"
728 # the C++ libraries don't build on top of CE's C libraries
729 noconfigdirs="$noconfigdirs target-libstdc++-v3"
732 noconfigdirs="$noconfigdirs target-libstdc++-v3"
735 noconfigdirs="$noconfigdirs target-libstdc++-v3"
740 # Disable Fortran for some systems.
743 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
744 unsupported_languages="$unsupported_languages fortran"
748 # Disable Java if libffi is not supported.
780 powerpc-*-aix* | rs6000-*-aix*)
784 powerpc64-*-freebsd*)
788 s390-*-* | s390x-*-*)
790 sh-*-* | sh[[34]]*-*-*)
799 unsupported_languages="$unsupported_languages java"
803 # Disable Java, libgcj or related libraries for some systems.
807 i[[3456789]]86-*-darwin*)
809 x86_64-*-darwin[[912]]*)
812 noconfigdirs="$noconfigdirs ${libgcj}"
815 noconfigdirs="$noconfigdirs ${libgcj}"
818 noconfigdirs="$noconfigdirs ${libgcj}"
821 noconfigdirs="$noconfigdirs ${libgcj}"
824 noconfigdirs="$noconfigdirs ${libgcj}"
827 noconfigdirs="$noconfigdirs ${libgcj}"
830 noconfigdirs="$noconfigdirs ${libgcj}"
833 noconfigdirs="$noconfigdirs ${libgcj}"
836 noconfigdirs="$noconfigdirs ${libgcj}"
839 noconfigdirs="$noconfigdirs ${libgcj}"
842 noconfigdirs="$noconfigdirs ${libgcj}"
845 noconfigdirs="$noconfigdirs target-boehm-gc"
847 cris-*-* | crisv32-*-*)
848 unsupported_languages="$unsupported_languages java"
852 *) # See PR46792 regarding target-libffi.
853 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
857 # In this case, it's because the hppa64-linux target is for
858 # the kernel only at this point and has no libc, and thus no
859 # headers, crt*.o, etc., all of which are needed by these.
860 unsupported_languages="$unsupported_languages java"
863 noconfigdirs="$noconfigdirs ${libgcj}"
868 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
869 # build on HP-UX 10.20.
870 noconfigdirs="$noconfigdirs ${libgcj}"
873 noconfigdirs="$noconfigdirs ${libgcj}"
875 i[[3456789]]86-w64-mingw*)
876 noconfigdirs="$noconfigdirs ${libgcj}"
878 i[[3456789]]86-*-mingw*)
879 noconfigdirs="$noconfigdirs ${libgcj}"
882 noconfigdirs="$noconfigdirs ${libgcj}"
885 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
888 # copied from rs6000-*-* entry
889 noconfigdirs="$noconfigdirs ${libgcj}"
892 noconfigdirs="$noconfigdirs ${libgcj}"
895 noconfigdirs="$noconfigdirs ${libgcj}"
898 noconfigdirs="$noconfigdirs ${libgcj}"
902 # Disable the go frontend on systems where it is known to not work. Please keep
903 # this in sync with contrib/config-list.mk.
905 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
906 unsupported_languages="$unsupported_languages go"
910 # Disable libgo for some systems where it is known to not work.
911 # For testing, you can easily override this with --enable-libgo.
912 if test x$enable_libgo = x; then
916 noconfigdirs="$noconfigdirs target-libgo"
918 *-*-cygwin* | *-*-mingw*)
919 noconfigdirs="$noconfigdirs target-libgo"
922 noconfigdirs="$noconfigdirs target-libgo"
927 # Default libgloss CPU subdirectory.
928 libgloss_dir="$target_cpu"
931 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
940 cris-*-* | crisv32-*-*)
949 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
966 # Disable newlib and libgloss for various target OSes.
969 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 i[[3456789]]86-*-linux*)
972 # This section makes it possible to build newlib natively on linux.
973 # If we are using a cross compiler then don't configure newlib.
974 if test x${is_cross_compiler} != xno ; then
975 noconfigdirs="$noconfigdirs target-newlib"
977 noconfigdirs="$noconfigdirs target-libgloss"
978 # If we are not using a cross compiler, do configure newlib.
979 # Note however, that newlib will only be configured in this situation
980 # if the --with-newlib option has been given, because otherwise
981 # 'target-newlib' will appear in skipdirs.
983 i[[3456789]]86-*-rdos*)
984 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 sh*-*-pe|mips*-*-pe|arm-wince-pe)
987 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
990 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
993 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
996 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
999 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1007 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1008 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1011 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1014 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1017 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1020 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1023 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1026 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1029 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1037 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1038 noconfigdirs="$noconfigdirs sim target-rda"
1041 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1042 noconfigdirs="$noconfigdirs sim target-rda"
1045 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1046 noconfigdirs="$noconfigdirs sim target-rda"
1048 i[[3456789]]86-*-darwin*)
1049 noconfigdirs="$noconfigdirs ld gprof"
1050 noconfigdirs="$noconfigdirs sim target-rda"
1052 x86_64-*-darwin[[912]]*)
1053 noconfigdirs="$noconfigdirs ld gas gprof"
1054 noconfigdirs="$noconfigdirs sim target-rda"
1057 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1058 noconfigdirs="$noconfigdirs sim target-rda"
1063 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1064 && test -f /usr/local/include/gmp.h; then
1069 # Remove unsupported stuff on all kaOS configurations.
1070 noconfigdirs="$noconfigdirs target-libgloss"
1077 noconfigdirs="$noconfigdirs target-libgloss"
1078 # this is not caught below because this stanza matches earlier
1080 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1083 # The tpf target doesn't support gdb yet.
1085 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1088 noconfigdirs="$noconfigdirs target-rda"
1093 # ld works, but does not support shared libraries.
1094 # gas doesn't generate exception information.
1095 noconfigdirs="$noconfigdirs gas ld"
1098 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1101 # newlib is not 64 bit ready
1102 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1104 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1105 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1108 noconfigdirs="$noconfigdirs target-libgloss"
1111 noconfigdirs="$noconfigdirs target-libgloss"
1114 noconfigdirs="$noconfigdirs ld target-libgloss"
1119 if test x${with_avrlibc} != xno; then
1120 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1123 c4x-*-* | tic4x-*-*)
1124 noconfigdirs="$noconfigdirs target-libgloss"
1127 noconfigdirs="$noconfigdirs target-libgloss gdb"
1130 noconfigdirs="$noconfigdirs target-libgloss"
1133 noconfigdirs="$noconfigdirs gdb"
1136 noconfigdirs="$noconfigdirs gdb"
1139 noconfigdirs="$noconfigdirs target-rda gprof"
1142 noconfigdirs="$noconfigdirs"
1145 noconfigdirs="$noconfigdirs target-libgloss"
1148 noconfigdirs="$noconfigdirs target-libgloss"
1150 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1153 noconfigdirs="$noconfigdirs gdb"
1156 noconfigdirs="$noconfigdirs gdb ld"
1164 hppa*-*-openbsd* | \
1170 noconfigdirs="$noconfigdirs ld"
1173 noconfigdirs="$noconfigdirs gdb"
1176 # No gdb support yet.
1177 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1180 # No ld support yet.
1181 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1184 # No ld support yet.
1185 noconfigdirs="$noconfigdirs libgui itcl ld"
1187 i[[3456789]]86-w64-mingw*)
1189 i[[3456789]]86-*-mingw*)
1190 target_configdirs="$target_configdirs target-winsup"
1193 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1194 noconfigdirs="$noconfigdirs target-libgloss"
1195 # always build newlib if winsup directory is present.
1196 if test -d "$srcdir/winsup/cygwin"; then
1197 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1198 elif test -d "$srcdir/newlib"; then
1199 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1202 i[[3456789]]86-*-pe)
1203 noconfigdirs="$noconfigdirs target-libgloss"
1205 i[[3456789]]86-*-sco3.2v5*)
1206 # The linker does not yet know about weak symbols in COFF,
1207 # and is not configured to handle mixed ELF and COFF.
1208 noconfigdirs="$noconfigdirs ld target-libgloss"
1210 i[[3456789]]86-*-sco*)
1211 noconfigdirs="$noconfigdirs gprof target-libgloss"
1213 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1214 noconfigdirs="$noconfigdirs target-libgloss"
1216 i[[3456789]]86-*-sysv4*)
1217 noconfigdirs="$noconfigdirs target-libgloss"
1219 i[[3456789]]86-*-beos*)
1220 noconfigdirs="$noconfigdirs gdb"
1222 i[[3456789]]86-*-rdos*)
1223 noconfigdirs="$noconfigdirs gdb"
1226 noconfigdirs="$noconfigdirs gdb"
1229 noconfigdirs="$noconfigdirs sim"
1232 # copied from rs6000-*-* entry
1233 noconfigdirs="$noconfigdirs gprof"
1235 powerpc*-*-winnt* | powerpc*-*-pe*)
1236 target_configdirs="$target_configdirs target-winsup"
1237 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1238 # always build newlib.
1239 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1241 # This is temporary until we can link against shared libraries
1242 powerpcle-*-solaris*)
1243 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1246 noconfigdirs="$noconfigdirs gdb"
1249 noconfigdirs="$noconfigdirs gprof"
1252 noconfigdirs="$noconfigdirs gprof"
1255 noconfigdirs="$noconfigdirs gprof"
1258 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1261 noconfigdirs="$noconfigdirs gprof"
1263 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1264 if test x$with_newlib = xyes; then
1265 noconfigdirs="$noconfigdirs gprof"
1269 noconfigdirs="$noconfigdirs gprof target-libgloss"
1272 noconfigdirs="$noconfigdirs gprof target-libgloss"
1275 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1279 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1280 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1281 noconfigdirs="$noconfigdirs ld gas gprof"
1284 noconfigdirs="$noconfigdirs gprof"
1287 noconfigdirs="$noconfigdirs gdb"
1290 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1293 noconfigdirs="$noconfigdirs gdb"
1300 noconfigdirs="$noconfigdirs target-libgloss" ;;
1304 if test x${is_cross_compiler} = xno ; then
1309 noconfigdirs="$noconfigdirs sim"
1311 tilepro*-*-* | tilegx*-*-*)
1312 noconfigdirs="$noconfigdirs sim"
1315 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1318 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1322 # If we aren't building newlib, then don't build libgloss, since libgloss
1323 # depends upon some newlib header files.
1324 case "${noconfigdirs}" in
1325 *target-libgloss*) ;;
1326 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1329 # Work in distributions that contain no compiler tools, like Autoconf.
1330 host_makefile_frag=/dev/null
1331 if test -d ${srcdir}/config ; then
1333 i[[3456789]]86-*-msdosdjgpp*)
1334 host_makefile_frag="config/mh-djgpp"
1337 ACX_CHECK_CYGWIN_CAT_WORKS
1338 host_makefile_frag="config/mh-cygwin"
1341 host_makefile_frag="config/mh-mingw"
1344 host_makefile_frag="config/mh-alpha-linux"
1347 host_makefile_frag="config/mh-pa-hpux10"
1350 host_makefile_frag="config/mh-pa"
1353 host_makefile_frag="config/mh-pa"
1356 host_makefile_frag="config/mh-darwin"
1359 host_makefile_frag="config/mh-ppc-aix"
1362 host_makefile_frag="config/mh-ppc-aix"
1367 if test "${build}" != "${host}" ; then
1368 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1369 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1370 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1371 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1372 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1373 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1374 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1375 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1376 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1377 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1378 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1379 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1380 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1382 AR_FOR_BUILD="\$(AR)"
1383 AS_FOR_BUILD="\$(AS)"
1384 CC_FOR_BUILD="\$(CC)"
1385 CXX_FOR_BUILD="\$(CXX)"
1386 GCJ_FOR_BUILD="\$(GCJ)"
1387 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1388 GOC_FOR_BUILD="\$(GOC)"
1389 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1390 LD_FOR_BUILD="\$(LD)"
1391 NM_FOR_BUILD="\$(NM)"
1392 RANLIB_FOR_BUILD="\$(RANLIB)"
1393 WINDRES_FOR_BUILD="\$(WINDRES)"
1394 WINDMC_FOR_BUILD="\$(WINDMC)"
1400 # We must set the default linker to the linker used by gcc for the correct
1401 # operation of libtool. If LD is not defined and we are using gcc, try to
1402 # set the LD default to the ld used by gcc.
1403 if test -z "$LD"; then
1404 if test "$GCC" = yes; then
1407 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1409 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1411 case $gcc_prog_ld in
1412 # Accept absolute paths.
1413 [[\\/]* | [A-Za-z]:[\\/]*)]
1414 LD="$gcc_prog_ld" ;;
1419 # Check whether -static-libstdc++ -static-libgcc is supported.
1421 if test "$GCC" = yes; then
1422 saved_LDFLAGS="$LDFLAGS"
1424 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1425 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1428 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1429 #error -static-libstdc++ not implemented
1432 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1433 [AC_MSG_RESULT([no])])
1436 LDFLAGS="$saved_LDFLAGS"
1440 ACX_PROG_CMP_IGNORE_INITIAL
1442 AC_ARG_ENABLE([bootstrap],
1443 [AS_HELP_STRING([--enable-bootstrap],
1444 [enable bootstrapping @<:@yes if native build@:>@])],,
1445 enable_bootstrap=default)
1447 # Issue errors and warnings for invalid/strange bootstrap combinations.
1448 if test -r $srcdir/gcc/configure; then
1454 case "$have_compiler:$host:$target:$enable_bootstrap" in
1457 # Default behavior. Enable bootstrap if we have a compiler
1458 # and we are in a native configuration.
1459 yes:$build:$build:default)
1460 enable_bootstrap=yes ;;
1463 enable_bootstrap=no ;;
1465 # We have a compiler and we are in a native configuration, bootstrap is ok
1466 yes:$build:$build:yes)
1469 # Other configurations, but we have a compiler. Assume the user knows
1472 AC_MSG_WARN([trying to bootstrap a cross compiler])
1475 # No compiler: if they passed --enable-bootstrap explicitly, fail
1477 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1479 # Fail if wrong command line
1481 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1485 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1486 # C++98 compiler can still start the bootstrap.
1487 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1488 CXX="$CXX -std=gnu++98"
1491 # Used for setting $lt_cv_objdir
1494 # Check for GMP, MPFR and MPC
1495 gmplibs="-lmpc -lmpfr -lgmp"
1499 # Specify a location for mpc
1500 # check for this first so it ends up on the link line before mpfr.
1502 [AS_HELP_STRING([--with-mpc=PATH],
1503 [specify prefix directory for installed MPC package.
1504 Equivalent to --with-mpc-include=PATH/include
1505 plus --with-mpc-lib=PATH/lib])])
1506 AC_ARG_WITH(mpc-include,
1507 [AS_HELP_STRING([--with-mpc-include=PATH],
1508 [specify directory for installed MPC include files])])
1509 AC_ARG_WITH(mpc-lib,
1510 [AS_HELP_STRING([--with-mpc-lib=PATH],
1511 [specify directory for the installed MPC library])])
1513 if test "x$with_mpc" != x; then
1514 gmplibs="-L$with_mpc/lib $gmplibs"
1515 gmpinc="-I$with_mpc/include $gmpinc"
1517 if test "x$with_mpc_include" != x; then
1518 gmpinc="-I$with_mpc_include $gmpinc"
1520 if test "x$with_mpc_lib" != x; then
1521 gmplibs="-L$with_mpc_lib $gmplibs"
1523 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1524 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1525 gmpinc='-I$$s/mpc/src '"$gmpinc"
1526 # Do not test the mpc version. Assume that it is sufficient, since
1527 # it is in the source tree, and the library has not been built yet
1528 # but it would be included on the link line in the version check below
1529 # hence making the test fail.
1533 # Specify a location for mpfr
1534 # check for this first so it ends up on the link line before gmp.
1535 AC_ARG_WITH(mpfr-dir,
1536 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1537 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1538 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1541 [AS_HELP_STRING([--with-mpfr=PATH],
1542 [specify prefix directory for installed MPFR package.
1543 Equivalent to --with-mpfr-include=PATH/include
1544 plus --with-mpfr-lib=PATH/lib])])
1545 AC_ARG_WITH(mpfr-include,
1546 [AS_HELP_STRING([--with-mpfr-include=PATH],
1547 [specify directory for installed MPFR include files])])
1548 AC_ARG_WITH(mpfr-lib,
1549 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1550 [specify directory for the installed MPFR library])])
1552 if test "x$with_mpfr" != x; then
1553 gmplibs="-L$with_mpfr/lib $gmplibs"
1554 gmpinc="-I$with_mpfr/include $gmpinc"
1556 if test "x$with_mpfr_include" != x; then
1557 gmpinc="-I$with_mpfr_include $gmpinc"
1559 if test "x$with_mpfr_lib" != x; then
1560 gmplibs="-L$with_mpfr_lib $gmplibs"
1562 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1563 # MPFR v3.1.0 moved the sources into a src sub-directory.
1564 if test -d ${srcdir}/mpfr/src; then
1565 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1566 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1567 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1569 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1570 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1571 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1573 # Do not test the mpfr version. Assume that it is sufficient, since
1574 # it is in the source tree, and the library has not been built yet
1575 # but it would be included on the link line in the version check below
1576 # hence making the test fail.
1580 # Specify a location for gmp
1581 AC_ARG_WITH(gmp-dir,
1582 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1583 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1584 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1587 [AS_HELP_STRING([--with-gmp=PATH],
1588 [specify prefix directory for the installed GMP package.
1589 Equivalent to --with-gmp-include=PATH/include
1590 plus --with-gmp-lib=PATH/lib])])
1591 AC_ARG_WITH(gmp-include,
1592 [AS_HELP_STRING([--with-gmp-include=PATH],
1593 [specify directory for installed GMP include files])])
1594 AC_ARG_WITH(gmp-lib,
1595 [AS_HELP_STRING([--with-gmp-lib=PATH],
1596 [specify directory for the installed GMP library])])
1599 if test "x$with_gmp" != x; then
1600 gmplibs="-L$with_gmp/lib $gmplibs"
1601 gmpinc="-I$with_gmp/include $gmpinc"
1603 if test "x$with_gmp_include" != x; then
1604 gmpinc="-I$with_gmp_include $gmpinc"
1606 if test "x$with_gmp_lib" != x; then
1607 gmplibs="-L$with_gmp_lib $gmplibs"
1609 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1610 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1611 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1612 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1613 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1614 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1615 # Do not test the gmp version. Assume that it is sufficient, since
1616 # it is in the source tree, and the library has not been built yet
1617 # but it would be included on the link line in the version check below
1618 # hence making the test fail.
1622 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1624 saved_CFLAGS="$CFLAGS"
1625 CFLAGS="$CFLAGS $gmpinc"
1626 # Check for the recommended and required versions of GMP.
1627 AC_MSG_CHECKING([for the correct version of gmp.h])
1628 AC_TRY_COMPILE([#include "gmp.h"],[
1629 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1630 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1631 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1634 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1635 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1636 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1637 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1640 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1641 [AC_MSG_RESULT([no]); have_gmp=no])
1643 # If we have GMP, check the MPFR version.
1644 if test x"$have_gmp" = xyes; then
1645 # Check for the recommended and required versions of MPFR.
1646 AC_MSG_CHECKING([for the correct version of mpfr.h])
1647 AC_TRY_COMPILE([#include <gmp.h>
1648 #include <mpfr.h>],[
1649 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1652 ], [AC_TRY_COMPILE([#include <gmp.h>
1653 #include <mpfr.h>],[
1654 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1657 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1658 [AC_MSG_RESULT([no]); have_gmp=no])
1661 # Check for the MPC header version.
1662 if test x"$have_gmp" = xyes ; then
1663 # Check for the recommended and required versions of MPC.
1664 AC_MSG_CHECKING([for the correct version of mpc.h])
1665 AC_TRY_COMPILE([#include <mpc.h>],[
1666 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1669 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1670 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1673 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1674 [AC_MSG_RESULT([no]); have_gmp=no])
1677 # Now check the MPFR library.
1678 if test x"$have_gmp" = xyes; then
1680 LIBS="$LIBS $gmplibs"
1681 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1682 AC_TRY_LINK([#include <mpc.h>],[
1689 mpfr_atan2 (n, n, x, GMP_RNDN);
1690 mpfr_erfc (n, x, GMP_RNDN);
1691 mpfr_subnormalize (x, t, GMP_RNDN);
1695 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1696 mpc_cosh (c, c, MPC_RNDNN);
1697 mpc_pow (c, c, c, MPC_RNDNN);
1698 mpc_acosh (c, c, MPC_RNDNN);
1700 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1704 CFLAGS="$saved_CFLAGS"
1706 # The library versions listed in the error message below should match
1707 # the HARD-minimums enforced above.
1708 if test x$have_gmp != xyes; then
1709 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1710 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1711 their locations. Source code for these libraries can be found at
1712 their respective hosting sites as well as at
1713 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1714 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1715 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1716 make sure that you have installed both the libraries and the header
1717 files. They may be located in separate packages.])
1721 # Flags needed for both GMP, MPFR and/or MPC.
1724 AC_SUBST(extra_mpfr_configure_flags)
1725 AC_SUBST(extra_mpc_gmp_configure_flags)
1726 AC_SUBST(extra_mpc_mpfr_configure_flags)
1727 AC_SUBST(extra_isl_gmp_configure_flags)
1729 # Libraries to use for stage1 or when not bootstrapping.
1730 AC_ARG_WITH(stage1-libs,
1731 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1732 [if test "$withval" = "no" -o "$withval" = "yes"; then
1735 stage1_libs=$withval
1738 AC_SUBST(stage1_libs)
1740 # Linker flags to use for stage1 or when not bootstrapping.
1741 AC_ARG_WITH(stage1-ldflags,
1742 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1743 [if test "$withval" = "no" -o "$withval" = "yes"; then
1746 stage1_ldflags=$withval
1749 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1750 # if supported. But if the user explicitly specified the libraries to use,
1751 # trust that they are doing what they want.
1752 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1753 stage1_ldflags="-static-libstdc++ -static-libgcc"
1755 AC_SUBST(stage1_ldflags)
1757 # Libraries to use for stage2 and later builds.
1758 AC_ARG_WITH(boot-libs,
1759 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1760 [if test "$withval" = "no" -o "$withval" = "yes"; then
1763 poststage1_libs=$withval
1766 AC_SUBST(poststage1_libs)
1768 # Linker flags to use for stage2 and later builds.
1769 AC_ARG_WITH(boot-ldflags,
1770 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1771 [linker flags for stage2 and later])],
1772 [if test "$withval" = "no" -o "$withval" = "yes"; then
1775 poststage1_ldflags=$withval
1777 [poststage1_ldflags=
1778 # In stages 2 and 3, default to linking libstdc++ and libgcc
1779 # statically. But if the user explicitly specified the libraries to
1780 # use, trust that they are doing what they want.
1781 if test "$poststage1_libs" = ""; then
1782 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1784 AC_SUBST(poststage1_ldflags)
1786 # GCC GRAPHITE dependency isl.
1787 # Basic setup is inlined here, actual checks are in config/isl.m4
1792 [Specify prefix directory for the installed isl package.
1793 Equivalent to --with-isl-include=PATH/include
1794 plus --with-isl-lib=PATH/lib])])
1796 # Treat --without-isl as a request to disable
1797 # GRAPHITE support and skip all following checks.
1798 if test "x$with_isl" != "xno"; then
1800 dnl Provide configure switches and initialize islinc & isllibs
1801 dnl with user input.
1803 dnl The versions of isl that work for Graphite
1805 dnl Only execute fail-action, if isl has been requested.
1807 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1810 # If the isl check failed, disable builds of in-tree variant of isl
1811 if test "x$with_isl" = xno ||
1812 test "x$gcc_cv_isl" = xno; then
1813 noconfigdirs="$noconfigdirs isl"
1820 # Check for LTO support.
1822 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1823 enable_lto=$enableval,
1824 enable_lto=yes; default_enable_lto=yes)
1826 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1827 build_lto_plugin=yes
1828 ],[if test x"$default_enable_lto" = x"yes" ; then
1830 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
1831 # On other non-ELF platforms, LTO has yet to be validated.
1835 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1836 # It would also be nice to check the binutils support, but we don't
1837 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1838 # warn during gcc/ subconfigure; unless you're bootstrapping with
1839 # -flto it won't be needed until after installation anyway.
1841 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1842 *) if test x"$enable_lto" = x"yes"; then
1843 AC_MSG_ERROR([LTO support is not enabled for this target.])
1848 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1849 # Build it unless LTO was explicitly disabled.
1851 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1856 AC_ARG_ENABLE(linker-plugin-configure-flags,
1857 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1858 [additional flags for configuring linker plugins @<:@none@:>@])],
1859 extra_linker_plugin_configure_flags=$enableval,
1860 extra_linker_plugin_configure_flags=)
1861 AC_SUBST(extra_linker_plugin_configure_flags)
1862 AC_ARG_ENABLE(linker-plugin-flags,
1863 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1864 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1865 extra_linker_plugin_flags=$enableval,
1866 extra_linker_plugin_flags=)
1867 AC_SUBST(extra_linker_plugin_flags)
1870 # By default, C and C++ are the only stage 1 languages.
1871 stage1_languages=,c,
1873 # Target libraries that we bootstrap.
1874 bootstrap_target_libs=,target-libgcc,
1876 # Figure out what language subdirectories are present.
1877 # Look if the user specified --enable-languages="..."; if not, use
1878 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1880 # NB: embedded tabs in this IF block -- do not untabify
1881 if test -d ${srcdir}/gcc; then
1882 if test x"${enable_languages+set}" != xset; then
1883 if test x"${LANGUAGES+set}" = xset; then
1884 enable_languages="${LANGUAGES}"
1885 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1887 enable_languages=all
1890 if test x"${enable_languages}" = x ||
1891 test x"${enable_languages}" = xyes;
1893 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1897 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1899 # 'f95' is the old name for the 'fortran' language. We issue a warning
1900 # and make the substitution.
1901 case ,${enable_languages}, in
1903 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1904 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1908 # If bootstrapping, C++ must be enabled.
1909 case ",$enable_languages,:$enable_bootstrap" in
1912 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1913 enable_languages="${enable_languages},c++"
1915 AC_MSG_ERROR([bootstrapping requires c++ sources])
1920 # First scan to see if an enabled language requires some other language.
1921 # We assume that a given config-lang.in will list all the language
1922 # front ends it requires, even if some are required indirectly.
1923 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1924 case ${lang_frag} in
1926 # The odd quoting in the next line works around
1927 # an apparent bug in bash 1.12 on linux.
1928 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1930 # From the config-lang.in, get $language, $lang_requires, and
1931 # $lang_requires_boot_languages.
1934 lang_requires_boot_languages=
1936 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1937 case ,${enable_languages}, in
1941 echo " \`$other' language required by \`$language'; enabling" 1>&2
1942 enable_languages="${enable_languages},${other}"
1946 for other in ${lang_requires_boot_languages} ; do
1947 if test "$other" != "c"; then
1948 case ,${enable_stage1_languages}, in
1952 case ,${enable_languages}, in
1954 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1955 enable_stage1_languages="$enable_stage1_languages,${other}"
1966 new_enable_languages=,c,
1968 # If LTO is enabled, add the LTO front end.
1969 if test "$enable_lto" = "yes" ; then
1970 case ,${enable_languages}, in
1972 *) enable_languages="${enable_languages},lto" ;;
1974 if test "${build_lto_plugin}" = "yes" ; then
1975 configdirs="$configdirs lto-plugin"
1979 # If we're building an offloading compiler, add the LTO front end.
1980 if test x"$enable_as_accelerator_for" != x ; then
1981 case ,${enable_languages}, in
1983 *) enable_languages="${enable_languages},lto" ;;
1987 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1988 potential_languages=,c,
1990 enabled_target_libs=
1991 disabled_target_libs=
1993 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1994 case ${lang_frag} in
1996 # The odd quoting in the next line works around
1997 # an apparent bug in bash 1.12 on linux.
1998 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2000 # From the config-lang.in, get $language, $target_libs,
2001 # $lang_dirs, $boot_language, and $build_by_default
2007 build_by_default=yes
2009 if test x${language} = x; then
2010 echo "${lang_frag} doesn't set \$language." 1>&2
2014 if test "$language" = "c++"; then
2019 case ,${enable_languages}, in
2021 # Language was explicitly selected; include it
2022 # unless it is C, which is enabled by default.
2023 if test "$language" != "c"; then
2028 # 'all' was selected, select it if it is a default language
2029 if test "$language" != "c"; then
2030 add_this_lang=${build_by_default}
2035 # Disable languages that need other directories if these aren't available.
2036 for i in $subdir_requires; do
2037 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2038 case ,${enable_languages}, in
2040 # Specifically requested language; tell them.
2041 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2045 add_this_lang=unsupported
2050 # Disable Ada if no preexisting GNAT is available.
2051 case ,${enable_languages},:${language}:${have_gnat} in
2052 *,${language},*:ada:no)
2053 # Specifically requested language; tell them.
2054 AC_MSG_ERROR([GNAT is required to build $language])
2058 add_this_lang=unsupported
2062 # Disable a language that is unsupported by the target.
2063 case " $unsupported_languages " in
2065 add_this_lang=unsupported
2069 case $add_this_lang in
2071 # Remove language-dependent dirs.
2072 disabled_target_libs="$disabled_target_libs $target_libs"
2073 noconfigdirs="$noconfigdirs $lang_dirs"
2076 # Remove language-dependent dirs; still show language as supported.
2077 disabled_target_libs="$disabled_target_libs $target_libs"
2078 noconfigdirs="$noconfigdirs $lang_dirs"
2079 potential_languages="${potential_languages}${language},"
2082 new_enable_languages="${new_enable_languages}${language},"
2083 potential_languages="${potential_languages}${language},"
2084 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2085 enabled_target_libs="$enabled_target_libs $target_libs"
2086 case "${boot_language}:,$enable_stage1_languages," in
2087 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2088 # Add to (comma-separated) list of stage 1 languages.
2089 case ",$stage1_languages," in
2090 *,$language,* | ,yes, | ,all,) ;;
2091 *) stage1_languages="${stage1_languages}${language}," ;;
2093 # We need to bootstrap any supporting libraries.
2094 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2103 # Add target libraries which are only needed for disabled languages
2105 if test -n "$disabled_target_libs"; then
2106 for dir in $disabled_target_libs; do
2107 case " $enabled_target_libs " in
2109 *) noconfigdirs="$noconfigdirs $dir" ;;
2114 AC_ARG_ENABLE(stage1-languages,
2115 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2116 [choose additional languages to build during
2117 stage1. Mostly useful for compiler development])],
2118 [case ,${enable_stage1_languages}, in
2120 # Set it to something that will have no effect in the loop below
2121 enable_stage1_languages=c ;;
2123 enable_stage1_languages=`echo $new_enable_languages | \
2124 sed -e "s/^,//" -e "s/,$//" ` ;;
2126 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2127 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2130 # Add "good" languages from enable_stage1_languages to stage1_languages,
2131 # while "bad" languages go in missing_languages. Leave no duplicates.
2132 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2133 case $potential_languages in
2135 case $stage1_languages in
2137 *) stage1_languages="$stage1_languages$i," ;;
2140 case $missing_languages in
2142 *) missing_languages="$missing_languages$i," ;;
2147 # Remove leading/trailing commas that were added for simplicity
2148 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2149 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2150 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2151 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2153 if test "x$missing_languages" != x; then
2155 The following requested languages could not be built: ${missing_languages}
2156 Supported languages are: ${potential_languages}])
2158 if test "x$new_enable_languages" != "x$enable_languages"; then
2159 echo The following languages will be built: ${new_enable_languages}
2160 enable_languages="$new_enable_languages"
2163 AC_SUBST(stage1_languages)
2164 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2167 # Handle --disable-<component> generically.
2168 for dir in $configdirs $build_configdirs $target_configdirs ; do
2169 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2170 varname=`echo $dirname | sed -e s/+/_/g`
2171 if eval test x\${enable_${varname}} "=" xno ; then
2172 noconfigdirs="$noconfigdirs $dir"
2176 # Check for Boehm's garbage collector
2177 AC_ARG_ENABLE(objc-gc,
2178 [AS_HELP_STRING([--enable-objc-gc],
2179 [enable use of Boehm's garbage collector with the
2180 GNU Objective-C runtime])],
2181 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2182 *,objc,*:*:yes:*target-boehm-gc*)
2183 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2187 # Make sure we only build Boehm's garbage collector if required.
2188 case ,${enable_languages},:${enable_objc_gc} in
2190 # Keep target-boehm-gc if requested for Objective-C.
2193 # Otherwise remove target-boehm-gc depending on target-libjava.
2194 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2195 noconfigdirs="$noconfigdirs target-boehm-gc"
2200 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2201 case ,${enable_languages}, in
2203 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2204 case "${noconfigdirs}" in
2205 *target-libstdc++-v3*)
2206 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2212 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2216 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2217 # $build_configdirs and $target_configdirs.
2218 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2221 for dir in . $skipdirs $noconfigdirs ; do
2222 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2223 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2224 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2225 if test -r $srcdir/$dirname/configure ; then
2226 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2229 notsupp="$notsupp $dir"
2233 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2234 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2235 if test -r $srcdir/$dirname/configure ; then
2236 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2239 notsupp="$notsupp $dir"
2243 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2244 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2245 if test -r $srcdir/$dirname/configure ; then
2246 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2249 notsupp="$notsupp $dir"
2255 # Quietly strip out all directories which aren't configurable in this tree.
2256 # This relies on all configurable subdirectories being autoconfiscated, which
2258 build_configdirs_all="$build_configdirs"
2260 for i in ${build_configdirs_all} ; do
2261 j=`echo $i | sed -e s/build-//g`
2262 if test -f ${srcdir}/$j/configure ; then
2263 build_configdirs="${build_configdirs} $i"
2267 configdirs_all="$configdirs"
2269 for i in ${configdirs_all} ; do
2270 if test -f ${srcdir}/$i/configure ; then
2271 configdirs="${configdirs} $i"
2275 target_configdirs_all="$target_configdirs"
2277 for i in ${target_configdirs_all} ; do
2278 j=`echo $i | sed -e s/target-//g`
2279 if test -f ${srcdir}/$j/configure ; then
2280 target_configdirs="${target_configdirs} $i"
2284 # Exclude target-zlib if target-libjava isn't built.
2285 case ${target_configdirs} in
2289 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2293 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2294 # so we have to add it after the preceding checks.
2295 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2297 case " $configdirs " in
2299 # If we can build libiberty, we can also build libiberty-linker-plugin.
2300 configdirs="$configdirs libiberty-linker-plugin"
2301 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2302 --with-libiberty=../libiberty-linker-plugin";;
2304 AC_MSG_ERROR([libiberty missing]);;
2308 # Sometimes we have special requirements for the host libiberty.
2309 extra_host_libiberty_configure_flags=
2310 extra_host_zlib_configure_flags=
2311 case " $configdirs " in
2312 *" lto-plugin "* | *" libcc1 "*)
2313 # When these are to be built as shared libraries, the same applies to
2315 extra_host_libiberty_configure_flags=--enable-shared
2318 # When bfd is to be built as a shared library, the same applies to
2320 if test "$enable_shared" = "yes"; then
2321 extra_host_zlib_configure_flags=--enable-host-shared
2325 AC_SUBST(extra_host_libiberty_configure_flags)
2326 AC_SUBST(extra_host_zlib_configure_flags)
2328 # Produce a warning message for the subdirs we can't configure.
2329 # This isn't especially interesting in the Cygnus tree, but in the individual
2330 # FSF releases, it's important to let people know when their machine isn't
2331 # supported by the one or two programs in a package.
2333 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2334 # If $appdirs is non-empty, at least one of those directories must still
2335 # be configured, or we error out. (E.g., if the gas release supports a
2336 # specified target in some subdirs but not the gas subdir, we shouldn't
2337 # pretend that all is well.)
2338 if test -n "$appdirs" ; then
2339 for dir in $appdirs ; do
2340 if test -r $dir/Makefile.in ; then
2341 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2345 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2351 if test -n "$appdirs" ; then
2352 echo "*** This configuration is not supported by this package." 1>&2
2356 # Okay, some application will build, or we don't care to check. Still
2357 # notify of subdirs not getting built.
2358 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2359 echo " ${notsupp}" 1>&2
2360 echo " (Any other directories should still work fine.)" 1>&2
2368 # To find our prefix, in gcc_cv_tool_prefix.
2373 AC_ARG_WITH([build-sysroot],
2374 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2375 [use sysroot as the system root during the build])],
2376 [if test x"$withval" != x ; then
2377 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2379 [SYSROOT_CFLAGS_FOR_TARGET=])
2380 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2382 AC_ARG_WITH([debug-prefix-map],
2383 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2384 [map A to B, C to D ... in debug information])],
2385 [if test x"$withval" != x; then
2386 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2387 for debug_map in $withval; do
2388 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2391 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2392 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2394 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2395 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2396 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2397 # We want to ensure that TARGET libraries (which we know are built with
2398 # gcc) are built with "-O2 -g", so include those options when setting
2399 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2400 if test "x$CFLAGS_FOR_TARGET" = x; then
2401 if test "x${is_cross_compiler}" = xyes; then
2402 CFLAGS_FOR_TARGET="-g -O2"
2404 CFLAGS_FOR_TARGET=$CFLAGS
2407 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2410 *" -g "* | *" -g3 "*) ;;
2411 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2415 AC_SUBST(CFLAGS_FOR_TARGET)
2417 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2418 if test "x${is_cross_compiler}" = xyes; then
2419 CXXFLAGS_FOR_TARGET="-g -O2"
2421 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2422 case " $CXXFLAGS " in
2424 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2426 case " $CXXFLAGS " in
2427 *" -g "* | *" -g3 "*) ;;
2428 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2432 AC_SUBST(CXXFLAGS_FOR_TARGET)
2434 AC_SUBST(LDFLAGS_FOR_TARGET)
2436 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2437 # the named directory are copied to $(tooldir)/sys-include.
2438 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2439 if test x${is_cross_compiler} = xno ; then
2440 echo 1>&2 '***' --with-headers is only supported when cross compiling
2443 if test x"${with_headers}" != xyes ; then
2444 x=${gcc_cv_tool_prefix}
2445 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2449 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2450 # the name directories are copied to $(tooldir)/lib. Multiple directories
2452 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2453 if test x${is_cross_compiler} = xno ; then
2454 echo 1>&2 '***' --with-libs is only supported when cross compiling
2457 if test x"${with_libs}" != xyes ; then
2458 # Copy the libraries in reverse order, so that files in the first named
2459 # library override files in subsequent libraries.
2460 x=${gcc_cv_tool_prefix}
2461 for l in ${with_libs}; do
2462 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2467 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2469 # This is done by determining whether or not the appropriate directory
2470 # is available, and by checking whether or not specific configurations
2471 # have requested that this magic not happen.
2473 # The command line options always override the explicit settings in
2474 # configure.ac, and the settings in configure.ac override this magic.
2476 # If the default for a toolchain is to use GNU as and ld, and you don't
2477 # want to do that, then you should use the --without-gnu-as and
2478 # --without-gnu-ld options for the configure script. Similarly, if
2479 # the default is to use the included zlib and you don't want to do that,
2480 # you should use the --with-system-zlib option for the configure script.
2482 if test x${use_gnu_as} = x &&
2483 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2485 extra_host_args="$extra_host_args --with-gnu-as"
2488 if test x${use_gnu_ld} = x &&
2489 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2491 extra_host_args="$extra_host_args --with-gnu-ld"
2494 if test x${use_included_zlib} = x &&
2495 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2498 with_system_zlib=yes
2499 extra_host_args="$extra_host_args --with-system-zlib"
2502 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2503 # can detect this case.
2505 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2507 extra_host_args="$extra_host_args --with-newlib"
2510 # Handle ${copy_dirs}
2511 set fnord ${copy_dirs}
2513 while test $# != 0 ; do
2514 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2517 echo Copying $1 to $2
2519 # Use the install script to create the directory and all required
2520 # parent directories.
2521 if test -d $2 ; then
2525 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2528 # Copy the directory, assuming we have tar.
2529 # FIXME: Should we use B in the second tar? Not all systems support it.
2530 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2532 # It is the responsibility of the user to correctly adjust all
2533 # symlinks. If somebody can figure out how to handle them correctly
2534 # here, feel free to add the code.
2541 # Determine a target-dependent exec_prefix that the installed
2542 # gcc will search in. Keep this list sorted by triplet, with
2543 # the *-*-osname triplets last.
2546 i[[34567]]86-pc-msdosdjgpp*)
2547 md_exec_prefix=/dev/env/DJDIR/bin
2552 md_exec_prefix=/usr/ccs/bin
2556 extra_arflags_for_target=
2557 extra_nmflags_for_target=
2558 extra_ranlibflags_for_target=
2559 target_makefile_frag=/dev/null
2562 target_makefile_frag="config/mt-spu"
2564 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2565 target_makefile_frag="config/mt-sde"
2567 mipsisa*-*-elfoabi*)
2568 target_makefile_frag="config/mt-mips-elfoabi"
2570 mips*-*-*linux* | mips*-*-gnu*)
2571 target_makefile_frag="config/mt-mips-gnu"
2574 target_makefile_frag="config/mt-nios2-elf"
2576 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2577 target_makefile_frag="config/mt-gnu"
2579 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2580 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2581 # commands to handle both 32-bit and 64-bit objects. These flags are
2582 # harmless if we're using GNU nm or ar.
2583 extra_arflags_for_target=" -X32_64"
2584 extra_nmflags_for_target=" -B -X32_64"
2588 alphaieee_frag=/dev/null
2591 # This just makes sure to use the -mieee option to build target libs.
2592 # This should probably be set individually by each library.
2593 alphaieee_frag="config/mt-alphaieee"
2597 # If --enable-target-optspace always use -Os instead of -O2 to build
2598 # the target libraries, similarly if it is not specified, use -Os
2599 # on selected platforms.
2600 ospace_frag=/dev/null
2601 case "${enable_target_optspace}:${target}" in
2603 ospace_frag="config/mt-ospace"
2606 ospace_frag="config/mt-d30v"
2608 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2609 ospace_frag="config/mt-ospace"
2614 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2618 # Some systems (e.g., one of the i386-aix systems the gas testers are
2619 # using) don't handle "\$" correctly, so don't use it here.
2620 tooldir='${exec_prefix}'/${target_noncanonical}
2621 build_tooldir=${tooldir}
2623 # Create a .gdbinit file which runs the one in srcdir
2624 # and tells GDB to look there for source files.
2626 if test -r ${srcdir}/.gdbinit ; then
2629 *) cat > ./.gdbinit <<EOF
2633 source ${srcdir}/.gdbinit
2639 # Make sure that the compiler is able to generate an executable. If it
2640 # can't, we are probably in trouble. We don't care whether we can run the
2641 # executable--we might be using a cross compiler--we only care whether it
2642 # can be created. At this point the main configure script has set CC.
2644 echo "int main () { return 0; }" > conftest.c
2645 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2646 if test $? = 0 ; then
2647 if test -s conftest || test -s conftest.exe ; then
2653 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2654 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2661 # Decide which environment variable is used to find dynamic libraries.
2663 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2664 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2665 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2666 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2669 # On systems where the dynamic library environment variable is PATH,
2670 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2671 # built executables to PATH.
2672 if test "$RPATH_ENVVAR" = PATH; then
2673 GCC_SHLIB_SUBDIR=/shlib
2678 # Adjust the toplevel makefile according to whether bootstrap was selected.
2679 case $enable_bootstrap in
2681 bootstrap_suffix=bootstrap
2682 BUILD_CONFIG=bootstrap-debug
2685 bootstrap_suffix=no-bootstrap
2690 AC_MSG_CHECKING(for default BUILD_CONFIG)
2692 AC_ARG_WITH([build-config],
2693 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2694 [use config/NAME.mk build configuration])],
2695 [case $with_build_config in
2696 yes) with_build_config= ;;
2697 no) with_build_config= BUILD_CONFIG= ;;
2700 if test "x${with_build_config}" != x; then
2701 BUILD_CONFIG=$with_build_config
2703 case $BUILD_CONFIG in
2705 if echo "int f (void) { return 0; }" > conftest.c &&
2706 ${CC} -c conftest.c &&
2707 mv conftest.o conftest.o.g0 &&
2708 ${CC} -c -g conftest.c &&
2709 mv conftest.o conftest.o.g &&
2710 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2715 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2719 AC_MSG_RESULT($BUILD_CONFIG)
2720 AC_SUBST(BUILD_CONFIG)
2722 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2723 AC_MSG_CHECKING([for --enable-vtable-verify])
2724 AC_ARG_ENABLE(vtable-verify,
2725 [AS_HELP_STRING([--enable-vtable-verify],
2726 [Enable vtable verification feature])],
2727 [case "$enableval" in
2728 yes) enable_vtable_verify=yes ;;
2729 no) enable_vtable_verify=no ;;
2730 *) enable_vtable_verify=no;;
2732 [enable_vtable_verify=no])
2733 AC_MSG_RESULT($enable_vtable_verify)
2735 # Record target_configdirs and the configure arguments for target and
2736 # build configuration in Makefile.
2737 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2738 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2739 bootstrap_fixincludes=no
2741 # If we are building libgomp, bootstrap it.
2742 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2743 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2746 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2747 # or bootstrap-ubsan, bootstrap it.
2748 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2749 case "$BUILD_CONFIG" in
2750 *bootstrap-asan* | *bootstrap-ubsan* )
2751 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2752 bootstrap_fixincludes=yes
2757 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2758 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2759 test "$enable_vtable_verify" != no; then
2760 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2763 # If we are building libmpx, bootstrap it.
2764 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2765 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2768 # Determine whether gdb needs tk/tcl or not.
2769 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2770 # and in that case we want gdb to be built without tk. Ugh!
2771 # In fact I believe gdb is the *only* package directly dependent on tk,
2772 # so we should be able to put the 'maybe's in unconditionally and
2773 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2774 # 100% sure that that's safe though.
2776 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2777 case "$enable_gdbtk" in
2781 GDB_TK="${gdb_tk}" ;;
2783 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2784 # distro. Eventually someone will fix this and move Insight, nee
2785 # gdbtk to a separate directory.
2786 if test -d ${srcdir}/gdb/gdbtk ; then
2793 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2794 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2796 # Strip out unwanted targets.
2798 # While at that, we remove Makefiles if we were started for recursive
2799 # configuration, so that the top-level Makefile reconfigures them,
2800 # like we used to do when configure itself was recursive.
2802 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2803 # but now we're fixing up the Makefile ourselves with the additional
2804 # commands passed to AC_CONFIG_FILES. Use separate variables
2805 # extrasub-{build,host,target} not because there is any reason to split
2806 # the substitutions up that way, but only to remain below the limit of
2807 # 99 commands in a script, for HP-UX sed.
2808 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2810 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2811 yes:yes:*\ gold\ *:*,c++,*) ;;
2812 yes:yes:*\ gold\ *:*)
2813 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2818 for module in ${build_configdirs} ; do
2819 if test -z "${no_recursion}" \
2820 && test -f ${build_subdir}/${module}/Makefile; then
2821 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2822 rm -f ${build_subdir}/${module}/Makefile
2824 extrasub_build="$extrasub_build
2825 /^@if build-$module\$/d
2826 /^@endif build-$module\$/d
2827 /^@if build-$module-$bootstrap_suffix\$/d
2828 /^@endif build-$module-$bootstrap_suffix\$/d"
2831 for module in ${configdirs} ; do
2832 if test -z "${no_recursion}"; then
2833 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2834 if test -f ${file}; then
2835 echo 1>&2 "*** removing ${file} to force reconfigure"
2840 case ${module},${bootstrap_fixincludes} in
2841 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2842 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2844 extrasub_host="$extrasub_host
2846 /^@endif $module\$/d
2847 /^@if $module-$host_bootstrap_suffix\$/d
2848 /^@endif $module-$host_bootstrap_suffix\$/d"
2851 for module in ${target_configdirs} ; do
2852 if test -z "${no_recursion}" \
2853 && test -f ${target_subdir}/${module}/Makefile; then
2854 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2855 rm -f ${target_subdir}/${module}/Makefile
2858 # We only bootstrap target libraries listed in bootstrap_target_libs.
2859 case $bootstrap_target_libs in
2860 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2861 *) target_bootstrap_suffix=no-bootstrap ;;
2864 extrasub_target="$extrasub_target
2865 /^@if target-$module\$/d
2866 /^@endif target-$module\$/d
2867 /^@if target-$module-$target_bootstrap_suffix\$/d
2868 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2871 # Do the final fixup along with target modules.
2872 extrasub_target="$extrasub_target
2873 /^@if /,/^@endif /d"
2875 # Create the serialization dependencies. This uses a temporary file.
2877 AC_ARG_ENABLE([serial-configure],
2878 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2879 [force sequential configuration of
2880 sub-packages for the host, target or build
2881 machine, or all sub-packages])])
2883 case ${enable_serial_configure} in
2885 enable_serial_build_configure=yes
2886 enable_serial_host_configure=yes
2887 enable_serial_target_configure=yes
2891 # These force 'configure's to be done one at a time, to avoid problems
2892 # with contention over a shared config.cache.
2894 echo '# serdep.tmp' > serdep.tmp
2896 test "x${enable_serial_build_configure}" = xyes &&
2897 for item in ${build_configdirs} ; do
2900 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2905 test "x${enable_serial_host_configure}" = xyes &&
2906 for item in ${configdirs} ; do
2909 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2914 test "x${enable_serial_target_configure}" = xyes &&
2915 for item in ${target_configdirs} ; do
2918 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2922 serialization_dependencies=serdep.tmp
2923 AC_SUBST_FILE(serialization_dependencies)
2925 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2926 # target, nonopt, and variable assignments. These are the ones we
2927 # might not want to pass down to subconfigures. The exception being
2928 # --cache-file=/dev/null, which is used to turn off the use of cache
2929 # files altogether, and which should be passed on to subconfigures.
2930 # Also strip program-prefix, program-suffix, and program-transform-name,
2931 # so that we can pass down a consistent program-transform-name.
2936 eval "set -- $ac_configure_args"
2939 if test X"$skip_next" = X"yes"; then
2943 if test X"$keep_next" = X"yes"; then
2946 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2948 baseargs="$baseargs '$ac_arg'"
2949 tbaseargs="$tbaseargs '$ac_arg'"
2954 # Handle separated arguments. Based on the logic generated by
2957 *=* | --config-cache | -C | -disable-* | --disable-* \
2958 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2959 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2960 | -with-* | --with-* | -without-* | --without-* | --x)
2974 --with-* | --without-*)
2975 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2979 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2982 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2991 mpc | mpfr | gmp | isl)
2992 # If we're processing --with-$lib, --with-$lib-include or
2993 # --with-$lib-lib, for one of the libs above, and target is
2994 # different from host, don't pass the current argument to any
2995 # target library's configure.
2996 if test x$is_cross_compiler = xyes; then
3005 --cache-file=/dev/null | \
3006 -cache-file=/dev/null )
3007 # Handled here to avoid the test to skip args below.
3008 baseargs="$baseargs '$ac_arg'"
3009 tbaseargs="$tbaseargs '$ac_arg'"
3010 # Assert: $separate_arg should always be no.
3011 keep_next=$separate_arg
3027 -program-prefix* | \
3028 -program-suffix* | \
3029 -program-transform-name* )
3030 skip_next=$separate_arg
3034 # An option. Add it.
3037 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3039 baseargs="$baseargs '$ac_arg'"
3040 if test X"$skip_targ" = Xno; then
3041 tbaseargs="$tbaseargs '$ac_arg'"
3043 keep_next=$separate_arg
3046 # Either a variable assignment, or a nonopt (triplet). Don't
3047 # pass it down; let the Makefile handle this.
3052 # Remove the initial space we just introduced and, as these will be
3053 # expanded by make, quote '$'.
3054 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3056 # Add in --program-transform-name, after --program-prefix and
3057 # --program-suffix have been applied to it. Autoconf has already
3058 # doubled dollar signs and backslashes in program_transform_name; we want
3059 # the backslashes un-doubled, and then the entire thing wrapped in single
3060 # quotes, because this will be expanded first by make and then by the shell.
3061 # Also, because we want to override the logic in subdir configure scripts to
3062 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3063 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3064 ${program_transform_name}
3066 gcc_transform_name=`cat conftestsed.out`
3067 rm -f conftestsed.out
3068 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3069 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3070 if test "$silent" = yes; then
3071 baseargs="$baseargs --silent"
3072 tbaseargs="$tbaseargs --silent"
3074 baseargs="$baseargs --disable-option-checking"
3075 tbaseargs="$tbaseargs --disable-option-checking"
3077 # Record and document user additions to sub configure arguments.
3078 AC_ARG_VAR([build_configargs],
3079 [additional configure arguments for build directories])
3080 AC_ARG_VAR([host_configargs],
3081 [additional configure arguments for host directories])
3082 AC_ARG_VAR([target_configargs],
3083 [additional configure arguments for target directories])
3085 # For the build-side libraries, we just need to pretend we're native,
3086 # and not use the same cache file. Multilibs are neither needed nor
3087 # desired. We can't even use the same cache file for all build-side
3088 # libraries, as they're compiled differently; some with C, some with
3089 # C++ or with different feature-enabling options.
3090 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3092 # For host modules, accept cache file option, or specification as blank.
3093 case "${cache_file}" in
3095 cache_file_option="" ;;
3096 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3097 cache_file_option="--cache-file=${cache_file}" ;;
3099 cache_file_option="--cache-file=../${cache_file}" ;;
3102 # Host dirs don't like to share a cache file either, horribly enough.
3103 # This seems to be due to autoconf 2.5x stupidity.
3104 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3106 target_configargs="$target_configargs ${tbaseargs}"
3108 # Passing a --with-cross-host argument lets the target libraries know
3109 # whether they are being built with a cross-compiler or being built
3110 # native. However, it would be better to use other mechanisms to make the
3111 # sorts of decisions they want to make on this basis. Please consider
3112 # this option to be deprecated. FIXME.
3113 if test x${is_cross_compiler} = xyes ; then
3114 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3117 # Special user-friendly check for native x86_64-linux build, if
3118 # multilib is not explicitly enabled.
3119 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3120 x86_64-*linux*:yes:$build:$build:)
3121 # Make sure we have a development environment that handles 32-bit
3123 echo "int main () { return 0; }" > conftest.c
3124 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3125 if test $? = 0 ; then
3126 if test -s conftest || test -s conftest.exe ; then
3131 if test x${dev64} != xyes ; then
3132 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.])
3137 # Default to --enable-multilib.
3138 if test x${enable_multilib} = x ; then
3139 target_configargs="--enable-multilib ${target_configargs}"
3142 # Pass --with-newlib if appropriate. Note that target_configdirs has
3143 # changed from the earlier setting of with_newlib.
3144 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3145 target_configargs="--with-newlib ${target_configargs}"
3148 # Different target subdirs use different values of certain variables
3149 # (notably CXX). Worse, multilibs use *lots* of different values.
3150 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3151 # it doesn't automatically accept command-line overrides of them.
3152 # This means it's not safe for target subdirs to share a cache file,
3153 # which is disgusting, but there you have it. Hopefully this can be
3154 # fixed in future. It's still worthwhile to use a cache file for each
3155 # directory. I think.
3157 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3158 # We need to pass --target, as newer autoconf's requires consistency
3159 # for target_alias and gcc doesn't manage it consistently.
3160 target_configargs="--cache-file=./config.cache ${target_configargs}"
3163 case " $target_configdirs " in
3165 case " $target_configargs " in
3166 *" --with-newlib "*)
3169 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3173 # If we're not building GCC, don't discard standard headers.
3174 if test -d ${srcdir}/gcc; then
3175 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3177 if test "${build}" != "${host}"; then
3178 # On Canadian crosses, CC_FOR_TARGET will have already been set
3179 # by `configure', so we won't have an opportunity to add -Bgcc/
3180 # to it. This is right: we don't want to search that directory
3181 # for binaries, but we want the header files in there, so add
3183 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3185 # Someone might think of using the pre-installed headers on
3186 # Canadian crosses, in case the installed compiler is not fully
3187 # compatible with the compiler being built. In this case, it
3188 # would be better to flag an error than risking having
3189 # incompatible object files being constructed. We can't
3190 # guarantee that an error will be flagged, but let's hope the
3191 # compiler will do it, when presented with incompatible header
3196 case "${target}-${is_cross_compiler}" in
3197 i[[3456789]]86-*-linux*-no)
3198 # Here host == target, so we don't need to build gcc,
3199 # so we don't want to discard standard headers.
3200 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3203 # If we're building newlib, use its generic headers last, but search
3204 # for any libc-related directories first (so make it the last -B
3206 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3208 # If we're building libgloss, find the startup file, simulator library
3209 # and linker script.
3210 case " $target_configdirs " in
3212 # Look for startup file, simulator library and maybe linker script.
3213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3214 # Look for libnosys.a in case the target needs it.
3215 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3216 # Most targets have the linker script in the source directory.
3217 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3228 x86_64-*mingw* | *-w64-mingw*)
3229 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3230 # however, use a symlink named 'mingw' in ${prefix} .
3231 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3234 # MinGW can't be handled as Cygwin above since it does not use newlib.
3235 FLAGS_FOR_TARGET=$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'
3239 # Allow the user to override the flags for
3240 # our build compiler if desired.
3241 if test x"${build}" = x"${host}" ; then
3242 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3243 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3244 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3247 # On Canadian crosses, we'll be searching the right directories for
3248 # the previously-installed cross compiler, so don't bother to add
3249 # flags for directories within the install tree of the compiler
3250 # being built; programs in there won't even run.
3251 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3252 # Search for pre-installed headers if nothing else fits.
3253 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3256 if test "x${use_gnu_ld}" = x &&
3257 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3258 # Arrange for us to find uninstalled linker scripts.
3259 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3262 # Search for other target-specific linker scripts and such.
3265 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3269 # Makefile fragments.
3270 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3272 eval fragval=\$$frag
3273 if test $fragval != /dev/null; then
3274 eval $frag=${srcdir}/$fragval
3277 AC_SUBST_FILE(host_makefile_frag)
3278 AC_SUBST_FILE(target_makefile_frag)
3279 AC_SUBST_FILE(alphaieee_frag)
3280 AC_SUBST_FILE(ospace_frag)
3282 # Miscellanea: directories, flags, etc.
3283 AC_SUBST(RPATH_ENVVAR)
3284 AC_SUBST(GCC_SHLIB_SUBDIR)
3286 AC_SUBST(build_tooldir)
3287 AC_SUBST(CONFIGURE_GDB_TK)
3289 AC_SUBST(INSTALL_GDB_TK)
3291 # Build module lists & subconfigure args.
3292 AC_SUBST(build_configargs)
3293 AC_SUBST(build_configdirs)
3295 # Host module lists & subconfigure args.
3296 AC_SUBST(host_configargs)
3297 AC_SUBST(configdirs)
3298 AC_SUBST(target_configdirs)
3300 # Target module lists & subconfigure args.
3301 AC_SUBST(target_configargs)
3305 AC_SUBST(AR_FOR_BUILD)
3306 AC_SUBST(AS_FOR_BUILD)
3307 AC_SUBST(CC_FOR_BUILD)
3308 AC_SUBST(CFLAGS_FOR_BUILD)
3309 AC_SUBST(CXXFLAGS_FOR_BUILD)
3310 AC_SUBST(CXX_FOR_BUILD)
3311 AC_SUBST(DLLTOOL_FOR_BUILD)
3312 AC_SUBST(GCJ_FOR_BUILD)
3313 AC_SUBST(GFORTRAN_FOR_BUILD)
3314 AC_SUBST(GOC_FOR_BUILD)
3315 AC_SUBST(LDFLAGS_FOR_BUILD)
3316 AC_SUBST(LD_FOR_BUILD)
3317 AC_SUBST(NM_FOR_BUILD)
3318 AC_SUBST(RANLIB_FOR_BUILD)
3319 AC_SUBST(WINDMC_FOR_BUILD)
3320 AC_SUBST(WINDRES_FOR_BUILD)
3322 # Generate default definitions for YACC, M4, LEX and other programs that run
3323 # on the build machine. These are used if the Makefile can't locate these
3324 # programs in objdir.
3325 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3327 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3328 case " $build_configdirs " in
3329 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3332 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3333 case " $build_configdirs " in
3334 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3337 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3338 case " $build_configdirs " in
3339 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3342 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3343 case " $build_configdirs " in
3344 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3345 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3348 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3349 case " $build_configdirs " in
3350 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3353 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3354 case " $build_configdirs " in
3355 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3358 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3359 # higher, else we use the "missing" dummy.
3360 if ${MAKEINFO} --version \
3361 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3364 MAKEINFO="$MISSING makeinfo"
3370 # FIXME: expect and dejagnu may become build tools?
3372 AC_CHECK_PROGS(EXPECT, expect, expect)
3373 case " $configdirs " in
3375 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3379 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3380 case " $configdirs " in
3382 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3388 NCN_STRICT_CHECK_TOOLS(AR, ar)
3389 NCN_STRICT_CHECK_TOOLS(AS, as)
3390 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3391 NCN_STRICT_CHECK_TOOLS(LD, ld)
3392 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3393 NCN_STRICT_CHECK_TOOLS(NM, nm)
3394 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3395 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3396 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3397 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3398 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3399 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3400 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3407 AC_ARG_WITH([build-time-tools],
3408 [AS_HELP_STRING([--with-build-time-tools=PATH],
3409 [use given path to find target tools during the build])],
3410 [case x"$withval" in
3413 with_build_time_tools=
3414 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3417 [with_build_time_tools=])
3419 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3420 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3421 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3422 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3423 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3424 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3426 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3427 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3428 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3429 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3430 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3431 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3432 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3433 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3434 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3435 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3436 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3437 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3438 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3440 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3442 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3443 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3444 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3445 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3446 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3447 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3449 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3450 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3452 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3453 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3454 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3455 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3456 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3457 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3458 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3459 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3460 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3461 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3462 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3463 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3464 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3465 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3466 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3467 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3468 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3469 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3471 AC_SUBST(FLAGS_FOR_TARGET)
3472 AC_SUBST(RAW_CXX_FOR_TARGET)
3474 # Certain tools may need extra flags.
3475 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3476 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3477 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3479 # When building target libraries, except in a Canadian cross, we use
3480 # the same toolchain as the compiler we just built.
3481 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3482 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3483 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3484 if test $host = $build; then
3485 case " $configdirs " in
3487 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3488 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3489 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3494 AC_SUBST(COMPILER_AS_FOR_TARGET)
3495 AC_SUBST(COMPILER_LD_FOR_TARGET)
3496 AC_SUBST(COMPILER_NM_FOR_TARGET)
3498 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3499 AC_ARG_ENABLE(maintainer-mode,
3500 [AS_HELP_STRING([--enable-maintainer-mode],
3501 [enable make rules and dependencies not useful
3502 (and sometimes confusing) to the casual installer])],
3503 USE_MAINTAINER_MODE=$enableval,
3504 USE_MAINTAINER_MODE=no)
3505 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3506 AC_SUBST(MAINTAINER_MODE_TRUE)
3507 AC_SUBST(MAINTAINER_MODE_FALSE)
3508 if test "$USE_MAINTAINER_MODE" = yes; then
3509 MAINTAINER_MODE_TRUE=
3510 MAINTAINER_MODE_FALSE='#'
3512 MAINTAINER_MODE_TRUE='#'
3513 MAINTAINER_MODE_FALSE=
3515 MAINT=$MAINTAINER_MODE_TRUE
3518 # ---------------------
3519 # GCC bootstrap support
3520 # ---------------------
3522 # Stage specific cflags for build.
3527 yes) stage1_cflags="-g -Wa,-J" ;;
3528 *) stage1_cflags="-g -J" ;;
3532 AC_SUBST(stage1_cflags)
3534 # Enable --enable-checking in stage1 of the compiler.
3535 AC_ARG_ENABLE(stage1-checking,
3536 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3537 [choose additional checking for stage1 of the compiler])],
3538 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3539 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3540 # For --disable-checking or implicit --enable-checking=release, avoid
3541 # setting --enable-checking=gc in the default stage1 checking for LTO
3542 # bootstraps. See PR62077.
3543 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3544 case $BUILD_CONFIG in
3546 if test "x$enable_checking" = x && \
3547 test -d ${srcdir}/gcc && \
3548 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3549 stage1_checking=--enable-checking=yes,types
3551 *) stage1_checking=--enable-checking=yes,types;;
3554 stage1_checking=--enable-checking=$enable_checking,types
3556 AC_SUBST(stage1_checking)
3558 # Enable -Werror in bootstrap stage2 and later.
3559 AC_ARG_ENABLE(werror,
3560 [AS_HELP_STRING([--enable-werror],
3561 [enable -Werror in bootstrap stage2 and later])], [],
3562 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3567 case ${enable_werror} in
3568 yes) stage2_werror_flag="--enable-werror-always" ;;
3569 *) stage2_werror_flag="" ;;
3571 AC_SUBST(stage2_werror_flag)
3573 # Enable --enable-host-shared.
3574 AC_ARG_ENABLE(host-shared,
3575 [AS_HELP_STRING([--enable-host-shared],
3576 [build host code as shared libraries])],
3577 [host_shared=$enableval], [host_shared=no])
3578 AC_SUBST(host_shared)
3580 # PR jit/64780: Require the user to explicitly specify
3581 # --enable-host-shared if the jit is enabled, hinting
3582 # that they might want to do a separate configure/build of
3583 # the jit, to avoid users from slowing down the rest of the
3584 # compiler by enabling the jit.
3585 if test ${host_shared} = "no" ; then
3586 case "${enable_languages}" in
3589 Enabling language "jit" requires --enable-host-shared.
3591 --enable-host-shared typically slows the rest of the compiler down by
3592 a few %, so you must explicitly enable it.
3594 If you want to build both the jit and the regular compiler, it is often
3595 best to do this via two separate configure/builds, in separate
3596 directories, to avoid imposing the performance cost of
3597 --enable-host-shared on the regular compiler.])
3604 # Specify what files to not compare during bootstrap.
3606 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3608 hppa*64*-*-hpux*) ;;
3609 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3610 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3612 AC_SUBST(compare_exclusions)
3614 AC_CONFIG_FILES([Makefile],
3615 [sed "$extrasub_build" Makefile |
3616 sed "$extrasub_host" |
3617 sed "$extrasub_target" > mf$$
3618 mv -f mf$$ Makefile],
3619 [extrasub_build="$extrasub_build"
3620 extrasub_host="$extrasub_host"
3621 extrasub_target="$extrasub_target"])