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 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
154 target-libbacktrace \
159 target-liboffloadmic \
162 target-libstdc++-v3 \
163 target-libsanitizer \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list.
181 target_tools="target-rda"
183 ################################################################################
185 ## All tools belong in one of the four categories, and are assigned above
186 ## We assign ${configdirs} this way to remove all embedded newlines. This
187 ## is important because configure will choke if they ever get through.
188 ## ${configdirs} is directories we build using the host tools.
189 ## ${target_configdirs} is directories we build using the target tools.
190 configdirs=`echo ${host_libs} ${host_tools}`
191 target_configdirs=`echo ${target_libraries} ${target_tools}`
192 build_configdirs=`echo ${build_libs} ${build_tools}`
194 m4_divert_text([PARSE_ARGS],
197 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199 m4_popdef([AS_MESSAGE_LOG_FD])dnl
202 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
222 # Be sure to cover against remnants of an in-tree build.
223 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225 Use a pristine source tree when building in a separate tree])
228 # Skipdirs are removed silently.
230 # Noconfigdirs are removed loudly.
234 # Make sure we don't let GNU ld be added if we didn't want it.
235 if test x$with_gnu_ld = xno ; then
237 noconfigdirs="$noconfigdirs ld gold"
241 # Make sure we don't let GNU as be added if we didn't want it.
242 if test x$with_gnu_as = xno ; then
244 noconfigdirs="$noconfigdirs gas"
248 AC_ARG_WITH(system-zlib,
249 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
250 # Make sure we don't let ZLIB be added if we didn't want it.
251 if test x$with_system_zlib = xyes ; then
253 noconfigdirs="$noconfigdirs zlib"
256 # some tools are so dependent upon X11 that if we're not building with X,
257 # it's not even worth trying to configure, much less build, that tool.
260 yes | "") ;; # the default value for this tree is that X11 is available
262 skipdirs="${skipdirs} tk itcl libgui"
263 # We won't be able to build gdbtk without X.
266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269 # Some are only suitable for cross toolchains.
270 # Remove these if host=target.
271 cross_only="target-libgloss target-newlib target-opcodes"
273 case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
277 # If both --with-headers and --with-libs are specified, default to
279 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
281 if test x"${with_newlib}" = x ; then
286 # Recognize --with-newlib/--without-newlib.
287 case ${with_newlib} in
288 no) skipdirs="${skipdirs} target-newlib" ;;
289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
292 AC_ARG_ENABLE(as-accelerator-for,
293 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
295 Specify offload host triple by ARG])])
297 AC_ARG_ENABLE(offload-targets,
298 [AS_HELP_STRING([--enable-offload-targets=LIST],
299 [enable offloading to devices from comma-separated LIST of
300 TARGET[=DIR]. Use optional path to find offload target compiler
303 if test x"$enable_offload_targets" = x; then
304 AC_MSG_ERROR([no offload targets specified])
306 ], [enable_offload_targets=])
308 # Handle --enable-gold, --enable-ld.
309 # --disable-gold [--enable-ld]
310 # Build only ld. Default option.
311 # --enable-gold [--enable-ld]
312 # Build both gold and ld. Install gold as "ld.gold", install ld
313 # as "ld.bfd" and "ld".
314 # --enable-gold=default [--enable-ld]
315 # Build both gold and ld. Install gold as "ld.gold" and "ld",
316 # install ld as "ld.bfd".
317 # --enable-gold[=default] --disable-ld
318 # Build only gold, which is then installed as both "ld.gold" and "ld".
319 # --enable-gold --enable-ld=default
320 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
322 # In other words, ld is default
323 # --enable-gold=default --enable-ld=default
328 [AS_HELP_STRING([[--enable-gold[=ARG]]],
329 [build gold @<:@ARG={default,yes,no}@:>@])],
330 ENABLE_GOLD=$enableval,
332 case "${ENABLE_GOLD}" in
334 # Check for ELF target.
337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
340 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
342 *-*-linux*aout* | *-*-linux*oldld*)
350 if test "$is_elf" = "yes"; then
351 # Check for target supported by gold.
353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
354 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
355 configdirs="$configdirs gold"
356 if test x${ENABLE_GOLD} = xdefault; then
367 AC_MSG_ERROR([invalid --enable-gold argument])
372 [AS_HELP_STRING([[--enable-ld[=ARG]]],
373 [build ld @<:@ARG={default,yes,no}@:>@])],
374 ENABLE_LD=$enableval,
377 case "${ENABLE_LD}" in
379 if test x${default_ld} != x; then
380 AC_MSG_ERROR([either gold or ld can be the default ld])
386 if test x${ENABLE_GOLD} != xyes; then
387 AC_MSG_WARN([neither ld nor gold are enabled])
389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
392 AC_MSG_ERROR([invalid --enable-ld argument])
397 # Decide the default method for compressing debug sections.
398 # Provide a configure time option to override our default.
399 AC_ARG_ENABLE(compressed_debug_sections,
400 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
401 [Enable compressed debug sections for gas, gold or ld by
404 if test x"$enable_compressed_debug_sections" = xyes; then
405 AC_MSG_ERROR([no program with compressed debug sections specified])
407 ], [enable_compressed_debug_sections=])
409 # Configure extra directories which are host specific
413 configdirs="$configdirs libtermcap" ;;
416 # A target can indicate whether a language isn't supported for some reason.
417 # Only spaces may be used in this macro; not newlines or tabs.
418 unsupported_languages=
420 # Remove more programs from consideration, based on the host or
421 # target this usually means that a port of the program doesn't
425 i[[3456789]]86-*-msdosdjgpp*)
426 noconfigdirs="$noconfigdirs tcl tk itcl"
431 AC_ARG_ENABLE(libquadmath,
432 AS_HELP_STRING([--disable-libquadmath],
433 [do not build libquadmath directory]),
434 ENABLE_LIBQUADMATH=$enableval,
435 ENABLE_LIBQUADMATH=yes)
436 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
437 noconfigdirs="$noconfigdirs target-libquadmath"
441 AC_ARG_ENABLE(libquadmath-support,
442 AS_HELP_STRING([--disable-libquadmath-support],
443 [disable libquadmath support for Fortran]),
444 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
445 ENABLE_LIBQUADMATH_SUPPORT=yes)
446 enable_libquadmath_support=
447 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
448 enable_libquadmath_support=no
452 AC_ARG_ENABLE(libada,
453 [AS_HELP_STRING([--enable-libada], [build libada directory])],
454 ENABLE_LIBADA=$enableval,
456 if test "${ENABLE_LIBADA}" != "yes" ; then
457 noconfigdirs="$noconfigdirs gnattools"
460 AC_ARG_ENABLE(libssp,
461 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
462 ENABLE_LIBSSP=$enableval,
465 AC_ARG_ENABLE(libstdcxx,
466 AS_HELP_STRING([--disable-libstdcxx],
467 [do not build libstdc++-v3 directory]),
468 ENABLE_LIBSTDCXX=$enableval,
469 ENABLE_LIBSTDCXX=default)
470 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
471 noconfigdirs="$noconfigdirs target-libstdc++-v3"
474 # If this is accelerator compiler and its target is intelmic we enable
475 # target liboffloadmic by default. If this is compiler with offloading
476 # for intelmic we enable host liboffloadmic by default. Otherwise
477 # liboffloadmic is disabled by default.
478 AC_ARG_ENABLE([liboffloadmic],
479 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
481 [case "$enableval" in
483 enable_liboffloadmic=$enableval ;;
485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
487 [if test x"$enable_as_accelerator_for" != x; then
489 *-intelmic-* | *-intelmicemul-*)
490 enable_liboffloadmic=target
491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
494 enable_liboffloadmic=no
498 case "${enable_offload_targets}" in
499 *-intelmic-* | *-intelmicemul-*)
500 enable_liboffloadmic=host
501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
504 enable_liboffloadmic=no
508 AC_SUBST(extra_liboffloadmic_configure_flags)
510 # Save it here so that, even in case of --enable-libgcj, if the Java
511 # front-end isn't enabled, we still get libgcj disabled.
513 case $enable_libgcj in
515 # If we reset it here, it won't get added to noconfigdirs in the
516 # target-specific build rules, so it will be forcibly enabled
517 # (unless the Java language itself isn't enabled).
521 # Make sure we get it printed in the list of not supported target libs.
522 # Don't disable libffi, though, other languages use it.
523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
524 # Clear libgcj_saved so that even if java is enabled libffi won't be
530 AC_ARG_ENABLE(static-libjava,
531 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
532 [build static libjava @<:@default=no@:>@])],
533 ENABLE_STATIC_LIBJAVA=$enableval,
534 ENABLE_STATIC_LIBJAVA=no)
535 enable_static_libjava=
536 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
537 enable_static_libjava=yes
540 if test x$enable_static_libjava != xyes ; then
541 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
543 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
545 # Enable libgomp by default on hosted POSIX systems, and a few others.
546 if test x$enable_libgomp = x ; then
548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
552 *-*-solaris2* | *-*-hpux11*)
554 *-*-darwin* | *-*-aix*)
559 noconfigdirs="$noconfigdirs target-libgomp"
564 # Disable libatomic on unsupported systems.
565 if test -d ${srcdir}/libatomic; then
566 if test x$enable_libatomic = x; then
567 AC_MSG_CHECKING([for libatomic support])
568 if (srcdir=${srcdir}/libatomic; \
569 . ${srcdir}/configure.tgt; \
570 test -n "$UNSUPPORTED")
573 noconfigdirs="$noconfigdirs target-libatomic"
580 # Disable libcilkrts on unsupported systems.
581 if test -d ${srcdir}/libcilkrts; then
582 if test x$enable_libcilkrts = x; then
583 AC_MSG_CHECKING([for libcilkrts support])
584 if (srcdir=${srcdir}/libcilkrts; \
585 . ${srcdir}/configure.tgt; \
586 test -n "$UNSUPPORTED")
589 noconfigdirs="$noconfigdirs target-libcilkrts"
596 # Disable liboffloadmic on unsupported systems.
597 if test -d ${srcdir}/liboffloadmic; then
598 if test x$enable_liboffloadmic != xno; then
599 AC_MSG_CHECKING([for liboffloadmic support])
600 if (srcdir=${srcdir}/liboffloadmic; \
601 . ${srcdir}/configure.tgt; \
602 test -n "$UNSUPPORTED")
605 noconfigdirs="$noconfigdirs target-liboffloadmic"
612 # Disable libitm on unsupported systems.
613 if test -d ${srcdir}/libitm; then
614 if test x$enable_libitm = x; then
615 AC_MSG_CHECKING([for libitm support])
616 if (srcdir=${srcdir}/libitm; \
617 . ${srcdir}/configure.tgt; \
618 test -n "$UNSUPPORTED")
621 noconfigdirs="$noconfigdirs target-libitm"
628 # Disable libsanitizer on unsupported systems.
629 if test -d ${srcdir}/libsanitizer; then
630 if test x$enable_libsanitizer = x; then
631 AC_MSG_CHECKING([for libsanitizer support])
632 if (srcdir=${srcdir}/libsanitizer; \
633 . ${srcdir}/configure.tgt; \
634 test -n "$UNSUPPORTED")
637 noconfigdirs="$noconfigdirs target-libsanitizer"
644 # Disable libvtv on unsupported systems.
645 if test -d ${srcdir}/libvtv; then
646 if test x$enable_libvtv = x; then
647 AC_MSG_CHECKING([for libvtv support])
648 if (srcdir=${srcdir}/libvtv; \
649 . ${srcdir}/configure.tgt; \
650 test "$VTV_SUPPORTED" != "yes")
653 noconfigdirs="$noconfigdirs target-libvtv"
661 # Enable libmpx on supported systems by request.
662 if test -d ${srcdir}/libmpx; then
663 if test x$enable_libmpx = x; then
664 AC_MSG_CHECKING([for libmpx support])
665 if (srcdir=${srcdir}/libmpx; \
666 . ${srcdir}/configure.tgt; \
667 test "$LIBMPX_SUPPORTED" != "yes")
670 noconfigdirs="$noconfigdirs target-libmpx"
679 # Disable libquadmath for some systems.
682 noconfigdirs="$noconfigdirs target-libquadmath"
684 # libquadmath is unused on AIX and libquadmath build process use of
685 # LD_LIBRARY_PATH can break AIX bootstrap.
686 powerpc-*-aix* | rs6000-*-aix*)
687 noconfigdirs="$noconfigdirs target-libquadmath"
691 # Disable libssp for some systems.
694 # No hosted I/O support.
695 noconfigdirs="$noconfigdirs target-libssp"
697 powerpc-*-aix* | rs6000-*-aix*)
698 noconfigdirs="$noconfigdirs target-libssp"
701 # libssp uses a misaligned load to trigger a fault, but the RL78
702 # doesn't fault for those - instead, it gives a build-time error
703 # for explicit misaligned loads.
704 noconfigdirs="$noconfigdirs target-libssp"
707 # No hosted I/O support.
708 noconfigdirs="$noconfigdirs target-libssp"
712 # Disable libstdc++-v3 for some systems.
713 # Allow user to override this if they pass --enable-libstdc++-v3
714 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
717 # VxWorks uses the Dinkumware C++ library.
718 noconfigdirs="$noconfigdirs target-libstdc++-v3"
721 # the C++ libraries don't build on top of CE's C libraries
722 noconfigdirs="$noconfigdirs target-libstdc++-v3"
725 noconfigdirs="$noconfigdirs target-libstdc++-v3"
728 noconfigdirs="$noconfigdirs target-libstdc++-v3"
733 # Disable Fortran for some systems.
736 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
737 unsupported_languages="$unsupported_languages fortran"
741 # Disable Java if libffi is not supported.
773 powerpc-*-aix* | rs6000-*-aix*)
777 powerpc64-*-freebsd*)
781 s390-*-* | s390x-*-*)
783 sh-*-* | sh[[34]]*-*-*)
792 unsupported_languages="$unsupported_languages java"
796 # Disable Java, libgcj or related libraries for some systems.
800 i[[3456789]]86-*-darwin*)
802 x86_64-*-darwin[[912]]*)
805 noconfigdirs="$noconfigdirs ${libgcj}"
808 noconfigdirs="$noconfigdirs ${libgcj}"
811 noconfigdirs="$noconfigdirs ${libgcj}"
814 noconfigdirs="$noconfigdirs ${libgcj}"
817 noconfigdirs="$noconfigdirs ${libgcj}"
820 noconfigdirs="$noconfigdirs ${libgcj}"
823 noconfigdirs="$noconfigdirs ${libgcj}"
826 noconfigdirs="$noconfigdirs ${libgcj}"
829 noconfigdirs="$noconfigdirs ${libgcj}"
832 noconfigdirs="$noconfigdirs ${libgcj}"
835 noconfigdirs="$noconfigdirs target-boehm-gc"
837 cris-*-* | crisv32-*-*)
838 unsupported_languages="$unsupported_languages java"
842 *) # See PR46792 regarding target-libffi.
843 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
847 # In this case, it's because the hppa64-linux target is for
848 # the kernel only at this point and has no libc, and thus no
849 # headers, crt*.o, etc., all of which are needed by these.
850 unsupported_languages="$unsupported_languages java"
853 noconfigdirs="$noconfigdirs ${libgcj}"
858 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
859 # build on HP-UX 10.20.
860 noconfigdirs="$noconfigdirs ${libgcj}"
863 noconfigdirs="$noconfigdirs ${libgcj}"
865 i[[3456789]]86-w64-mingw*)
866 noconfigdirs="$noconfigdirs ${libgcj}"
868 i[[3456789]]86-*-mingw*)
869 noconfigdirs="$noconfigdirs ${libgcj}"
872 noconfigdirs="$noconfigdirs ${libgcj}"
875 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
878 # copied from rs6000-*-* entry
879 noconfigdirs="$noconfigdirs ${libgcj}"
882 noconfigdirs="$noconfigdirs ${libgcj}"
885 noconfigdirs="$noconfigdirs ${libgcj}"
888 noconfigdirs="$noconfigdirs ${libgcj}"
892 # Disable the go frontend on systems where it is known to not work. Please keep
893 # this in sync with contrib/config-list.mk.
895 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
896 unsupported_languages="$unsupported_languages go"
900 # Disable libgo for some systems where it is known to not work.
901 # For testing, you can easily override this with --enable-libgo.
902 if test x$enable_libgo = x; then
906 noconfigdirs="$noconfigdirs target-libgo"
908 *-*-cygwin* | *-*-mingw*)
909 noconfigdirs="$noconfigdirs target-libgo"
912 noconfigdirs="$noconfigdirs target-libgo"
917 # Default libgloss CPU subdirectory.
918 libgloss_dir="$target_cpu"
921 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
930 cris-*-* | crisv32-*-*)
939 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
956 # Disable newlib and libgloss for various target OSes.
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
961 i[[3456789]]86-*-linux*)
962 # This section makes it possible to build newlib natively on linux.
963 # If we are using a cross compiler then don't configure newlib.
964 if test x${is_cross_compiler} != xno ; then
965 noconfigdirs="$noconfigdirs target-newlib"
967 noconfigdirs="$noconfigdirs target-libgloss"
968 # If we are not using a cross compiler, do configure newlib.
969 # Note however, that newlib will only be configured in this situation
970 # if the --with-newlib option has been given, because otherwise
971 # 'target-newlib' will appear in skipdirs.
973 i[[3456789]]86-*-rdos*)
974 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
976 sh*-*-pe|mips*-*-pe|arm-wince-pe)
977 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
992 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
997 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
998 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1013 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1027 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1028 noconfigdirs="$noconfigdirs sim target-rda"
1031 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1032 noconfigdirs="$noconfigdirs sim target-rda"
1035 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1036 noconfigdirs="$noconfigdirs sim target-rda"
1038 i[[3456789]]86-*-darwin*)
1039 noconfigdirs="$noconfigdirs ld gprof"
1040 noconfigdirs="$noconfigdirs sim target-rda"
1042 x86_64-*-darwin[[912]]*)
1043 noconfigdirs="$noconfigdirs ld gas gprof"
1044 noconfigdirs="$noconfigdirs sim target-rda"
1047 noconfigdirs="$noconfigdirs ld gas gdb gprof"
1048 noconfigdirs="$noconfigdirs sim target-rda"
1053 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
1054 && test -f /usr/local/include/gmp.h; then
1059 # Remove unsupported stuff on all kaOS configurations.
1060 noconfigdirs="$noconfigdirs target-libgloss"
1067 noconfigdirs="$noconfigdirs target-libgloss"
1068 # this is not caught below because this stanza matches earlier
1070 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
1073 # The tpf target doesn't support gdb yet.
1075 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1078 noconfigdirs="$noconfigdirs target-rda"
1083 # ld works, but does not support shared libraries.
1084 # gas doesn't generate exception information.
1085 noconfigdirs="$noconfigdirs gas ld"
1088 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1091 # newlib is not 64 bit ready
1092 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1094 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1095 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1098 noconfigdirs="$noconfigdirs target-libgloss"
1101 noconfigdirs="$noconfigdirs target-libgloss"
1104 noconfigdirs="$noconfigdirs ld target-libgloss"
1109 if test x${with_avrlibc} != xno; then
1110 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1113 c4x-*-* | tic4x-*-*)
1114 noconfigdirs="$noconfigdirs target-libgloss"
1117 noconfigdirs="$noconfigdirs target-libgloss gdb"
1120 noconfigdirs="$noconfigdirs target-libgloss"
1123 noconfigdirs="$noconfigdirs gdb"
1126 noconfigdirs="$noconfigdirs gdb"
1129 noconfigdirs="$noconfigdirs target-rda gprof"
1132 noconfigdirs="$noconfigdirs"
1135 noconfigdirs="$noconfigdirs target-libgloss"
1138 noconfigdirs="$noconfigdirs target-libgloss"
1140 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1143 noconfigdirs="$noconfigdirs gdb"
1146 noconfigdirs="$noconfigdirs gdb ld"
1154 hppa*-*-openbsd* | \
1160 noconfigdirs="$noconfigdirs ld"
1163 noconfigdirs="$noconfigdirs gdb"
1166 # No gdb support yet.
1167 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1170 # No ld support yet.
1171 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1174 # No ld support yet.
1175 noconfigdirs="$noconfigdirs libgui itcl ld"
1177 i[[3456789]]86-w64-mingw*)
1179 i[[3456789]]86-*-mingw*)
1180 target_configdirs="$target_configdirs target-winsup"
1183 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1184 noconfigdirs="$noconfigdirs target-libgloss"
1185 # always build newlib if winsup directory is present.
1186 if test -d "$srcdir/winsup/cygwin"; then
1187 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1188 elif test -d "$srcdir/newlib"; then
1189 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1192 i[[3456789]]86-*-pe)
1193 noconfigdirs="$noconfigdirs target-libgloss"
1195 i[[3456789]]86-*-sco3.2v5*)
1196 # The linker does not yet know about weak symbols in COFF,
1197 # and is not configured to handle mixed ELF and COFF.
1198 noconfigdirs="$noconfigdirs ld target-libgloss"
1200 i[[3456789]]86-*-sco*)
1201 noconfigdirs="$noconfigdirs gprof target-libgloss"
1203 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1204 noconfigdirs="$noconfigdirs target-libgloss"
1206 i[[3456789]]86-*-sysv4*)
1207 noconfigdirs="$noconfigdirs target-libgloss"
1209 i[[3456789]]86-*-beos*)
1210 noconfigdirs="$noconfigdirs gdb"
1212 i[[3456789]]86-*-rdos*)
1213 noconfigdirs="$noconfigdirs gdb"
1216 noconfigdirs="$noconfigdirs gdb"
1219 noconfigdirs="$noconfigdirs sim"
1222 # copied from rs6000-*-* entry
1223 noconfigdirs="$noconfigdirs gprof"
1225 powerpc*-*-winnt* | powerpc*-*-pe*)
1226 target_configdirs="$target_configdirs target-winsup"
1227 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1228 # always build newlib.
1229 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1231 # This is temporary until we can link against shared libraries
1232 powerpcle-*-solaris*)
1233 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1236 noconfigdirs="$noconfigdirs gdb"
1239 noconfigdirs="$noconfigdirs gprof"
1242 noconfigdirs="$noconfigdirs gprof"
1245 noconfigdirs="$noconfigdirs gprof"
1248 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1251 noconfigdirs="$noconfigdirs gprof"
1253 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1254 if test x$with_newlib = xyes; then
1255 noconfigdirs="$noconfigdirs gprof"
1259 noconfigdirs="$noconfigdirs gprof target-libgloss"
1262 noconfigdirs="$noconfigdirs gprof target-libgloss"
1265 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1269 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1270 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1271 noconfigdirs="$noconfigdirs ld gas gprof"
1274 noconfigdirs="$noconfigdirs gprof"
1277 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1280 noconfigdirs="$noconfigdirs gdb"
1287 noconfigdirs="$noconfigdirs target-libgloss" ;;
1291 if test x${is_cross_compiler} = xno ; then
1296 noconfigdirs="$noconfigdirs sim"
1299 noconfigdirs="$noconfigdirs sim"
1302 noconfigdirs="$noconfigdirs gdb sim"
1305 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1308 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1312 # If we aren't building newlib, then don't build libgloss, since libgloss
1313 # depends upon some newlib header files.
1314 case "${noconfigdirs}" in
1315 *target-libgloss*) ;;
1316 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1319 # Work in distributions that contain no compiler tools, like Autoconf.
1320 host_makefile_frag=/dev/null
1321 if test -d ${srcdir}/config ; then
1323 i[[3456789]]86-*-msdosdjgpp*)
1324 host_makefile_frag="config/mh-djgpp"
1327 ACX_CHECK_CYGWIN_CAT_WORKS
1328 host_makefile_frag="config/mh-cygwin"
1331 host_makefile_frag="config/mh-mingw"
1334 host_makefile_frag="config/mh-alpha-linux"
1337 host_makefile_frag="config/mh-pa-hpux10"
1340 host_makefile_frag="config/mh-pa"
1343 host_makefile_frag="config/mh-pa"
1346 host_makefile_frag="config/mh-darwin"
1349 host_makefile_frag="config/mh-ppc-aix"
1352 host_makefile_frag="config/mh-ppc-aix"
1357 if test "${build}" != "${host}" ; then
1358 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1359 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1360 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1361 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1362 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1363 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1364 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1365 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1366 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1367 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1368 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1369 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1370 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1372 AR_FOR_BUILD="\$(AR)"
1373 AS_FOR_BUILD="\$(AS)"
1374 CC_FOR_BUILD="\$(CC)"
1375 CXX_FOR_BUILD="\$(CXX)"
1376 GCJ_FOR_BUILD="\$(GCJ)"
1377 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1378 GOC_FOR_BUILD="\$(GOC)"
1379 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1380 LD_FOR_BUILD="\$(LD)"
1381 NM_FOR_BUILD="\$(NM)"
1382 RANLIB_FOR_BUILD="\$(RANLIB)"
1383 WINDRES_FOR_BUILD="\$(WINDRES)"
1384 WINDMC_FOR_BUILD="\$(WINDMC)"
1390 # We must set the default linker to the linker used by gcc for the correct
1391 # operation of libtool. If LD is not defined and we are using gcc, try to
1392 # set the LD default to the ld used by gcc.
1393 if test -z "$LD"; then
1394 if test "$GCC" = yes; then
1397 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1399 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1401 case $gcc_prog_ld in
1402 # Accept absolute paths.
1403 [[\\/]* | [A-Za-z]:[\\/]*)]
1404 LD="$gcc_prog_ld" ;;
1409 # Check whether -static-libstdc++ -static-libgcc is supported.
1411 if test "$GCC" = yes; then
1412 saved_LDFLAGS="$LDFLAGS"
1414 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1415 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1418 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1419 #error -static-libstdc++ not implemented
1422 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1423 [AC_MSG_RESULT([no])])
1426 LDFLAGS="$saved_LDFLAGS"
1430 ACX_PROG_CMP_IGNORE_INITIAL
1432 AC_ARG_ENABLE([bootstrap],
1433 [AS_HELP_STRING([--enable-bootstrap],
1434 [enable bootstrapping @<:@yes if native build@:>@])],,
1435 enable_bootstrap=default)
1437 # Issue errors and warnings for invalid/strange bootstrap combinations.
1438 if test -r $srcdir/gcc/configure; then
1444 case "$have_compiler:$host:$target:$enable_bootstrap" in
1447 # Default behavior. Enable bootstrap if we have a compiler
1448 # and we are in a native configuration.
1449 yes:$build:$build:default)
1450 enable_bootstrap=yes ;;
1453 enable_bootstrap=no ;;
1455 # We have a compiler and we are in a native configuration, bootstrap is ok
1456 yes:$build:$build:yes)
1459 # Other configurations, but we have a compiler. Assume the user knows
1462 AC_MSG_WARN([trying to bootstrap a cross compiler])
1465 # No compiler: if they passed --enable-bootstrap explicitly, fail
1467 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1469 # Fail if wrong command line
1471 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1475 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1476 # C++98 compiler can still start the bootstrap.
1477 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1478 CXX="$CXX -std=gnu++98"
1481 # Used for setting $lt_cv_objdir
1484 # Check for GMP, MPFR and MPC
1485 gmplibs="-lmpc -lmpfr -lgmp"
1489 # Specify a location for mpc
1490 # check for this first so it ends up on the link line before mpfr.
1492 [AS_HELP_STRING([--with-mpc=PATH],
1493 [specify prefix directory for installed MPC package.
1494 Equivalent to --with-mpc-include=PATH/include
1495 plus --with-mpc-lib=PATH/lib])])
1496 AC_ARG_WITH(mpc-include,
1497 [AS_HELP_STRING([--with-mpc-include=PATH],
1498 [specify directory for installed MPC include files])])
1499 AC_ARG_WITH(mpc-lib,
1500 [AS_HELP_STRING([--with-mpc-lib=PATH],
1501 [specify directory for the installed MPC library])])
1503 if test "x$with_mpc" != x; then
1504 gmplibs="-L$with_mpc/lib $gmplibs"
1505 gmpinc="-I$with_mpc/include $gmpinc"
1507 if test "x$with_mpc_include" != x; then
1508 gmpinc="-I$with_mpc_include $gmpinc"
1510 if test "x$with_mpc_lib" != x; then
1511 gmplibs="-L$with_mpc_lib $gmplibs"
1513 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1514 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1515 gmpinc='-I$$s/mpc/src '"$gmpinc"
1516 # Do not test the mpc version. Assume that it is sufficient, since
1517 # it is in the source tree, and the library has not been built yet
1518 # but it would be included on the link line in the version check below
1519 # hence making the test fail.
1523 # Specify a location for mpfr
1524 # check for this first so it ends up on the link line before gmp.
1525 AC_ARG_WITH(mpfr-dir,
1526 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1527 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1528 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1531 [AS_HELP_STRING([--with-mpfr=PATH],
1532 [specify prefix directory for installed MPFR package.
1533 Equivalent to --with-mpfr-include=PATH/include
1534 plus --with-mpfr-lib=PATH/lib])])
1535 AC_ARG_WITH(mpfr-include,
1536 [AS_HELP_STRING([--with-mpfr-include=PATH],
1537 [specify directory for installed MPFR include files])])
1538 AC_ARG_WITH(mpfr-lib,
1539 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1540 [specify directory for the installed MPFR library])])
1542 if test "x$with_mpfr" != x; then
1543 gmplibs="-L$with_mpfr/lib $gmplibs"
1544 gmpinc="-I$with_mpfr/include $gmpinc"
1546 if test "x$with_mpfr_include" != x; then
1547 gmpinc="-I$with_mpfr_include $gmpinc"
1549 if test "x$with_mpfr_lib" != x; then
1550 gmplibs="-L$with_mpfr_lib $gmplibs"
1552 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1553 # MPFR v3.1.0 moved the sources into a src sub-directory.
1554 if test -d ${srcdir}/mpfr/src; then
1555 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1556 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1557 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1559 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1560 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1561 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1563 # Do not test the mpfr version. Assume that it is sufficient, since
1564 # it is in the source tree, and the library has not been built yet
1565 # but it would be included on the link line in the version check below
1566 # hence making the test fail.
1570 # Specify a location for gmp
1571 AC_ARG_WITH(gmp-dir,
1572 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1573 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1574 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1577 [AS_HELP_STRING([--with-gmp=PATH],
1578 [specify prefix directory for the installed GMP package.
1579 Equivalent to --with-gmp-include=PATH/include
1580 plus --with-gmp-lib=PATH/lib])])
1581 AC_ARG_WITH(gmp-include,
1582 [AS_HELP_STRING([--with-gmp-include=PATH],
1583 [specify directory for installed GMP include files])])
1584 AC_ARG_WITH(gmp-lib,
1585 [AS_HELP_STRING([--with-gmp-lib=PATH],
1586 [specify directory for the installed GMP library])])
1589 if test "x$with_gmp" != x; then
1590 gmplibs="-L$with_gmp/lib $gmplibs"
1591 gmpinc="-I$with_gmp/include $gmpinc"
1593 if test "x$with_gmp_include" != x; then
1594 gmpinc="-I$with_gmp_include $gmpinc"
1596 if test "x$with_gmp_lib" != x; then
1597 gmplibs="-L$with_gmp_lib $gmplibs"
1599 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1600 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1601 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1602 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1603 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1604 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1605 # Do not test the gmp version. Assume that it is sufficient, since
1606 # it is in the source tree, and the library has not been built yet
1607 # but it would be included on the link line in the version check below
1608 # hence making the test fail.
1612 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1614 saved_CFLAGS="$CFLAGS"
1615 CFLAGS="$CFLAGS $gmpinc"
1616 # Check for the recommended and required versions of GMP.
1617 AC_MSG_CHECKING([for the correct version of gmp.h])
1618 AC_TRY_COMPILE([#include "gmp.h"],[
1619 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1620 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1621 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1624 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1625 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1626 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1627 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1630 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1631 [AC_MSG_RESULT([no]); have_gmp=no])
1633 # If we have GMP, check the MPFR version.
1634 if test x"$have_gmp" = xyes; then
1635 # Check for the recommended and required versions of MPFR.
1636 AC_MSG_CHECKING([for the correct version of mpfr.h])
1637 AC_TRY_COMPILE([#include <gmp.h>
1638 #include <mpfr.h>],[
1639 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1642 ], [AC_TRY_COMPILE([#include <gmp.h>
1643 #include <mpfr.h>],[
1644 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1647 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1648 [AC_MSG_RESULT([no]); have_gmp=no])
1651 # Check for the MPC header version.
1652 if test x"$have_gmp" = xyes ; then
1653 # Check for the recommended and required versions of MPC.
1654 AC_MSG_CHECKING([for the correct version of mpc.h])
1655 AC_TRY_COMPILE([#include <mpc.h>],[
1656 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1659 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1660 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1663 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1664 [AC_MSG_RESULT([no]); have_gmp=no])
1667 # Now check the MPFR library.
1668 if test x"$have_gmp" = xyes; then
1670 LIBS="$LIBS $gmplibs"
1671 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1672 AC_TRY_LINK([#include <mpc.h>],[
1679 mpfr_atan2 (n, n, x, GMP_RNDN);
1680 mpfr_erfc (n, x, GMP_RNDN);
1681 mpfr_subnormalize (x, t, GMP_RNDN);
1685 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1686 mpc_cosh (c, c, MPC_RNDNN);
1687 mpc_pow (c, c, c, MPC_RNDNN);
1688 mpc_acosh (c, c, MPC_RNDNN);
1690 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1694 CFLAGS="$saved_CFLAGS"
1696 # The library versions listed in the error message below should match
1697 # the HARD-minimums enforced above.
1698 if test x$have_gmp != xyes; then
1699 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1700 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1701 their locations. Source code for these libraries can be found at
1702 their respective hosting sites as well as at
1703 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1704 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1705 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1706 make sure that you have installed both the libraries and the header
1707 files. They may be located in separate packages.])
1711 # Flags needed for both GMP, MPFR and/or MPC.
1714 AC_SUBST(extra_mpfr_configure_flags)
1715 AC_SUBST(extra_mpc_gmp_configure_flags)
1716 AC_SUBST(extra_mpc_mpfr_configure_flags)
1717 AC_SUBST(extra_isl_gmp_configure_flags)
1719 # Libraries to use for stage1 or when not bootstrapping.
1720 AC_ARG_WITH(stage1-libs,
1721 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1722 [if test "$withval" = "no" -o "$withval" = "yes"; then
1725 stage1_libs=$withval
1728 AC_SUBST(stage1_libs)
1730 # Linker flags to use for stage1 or when not bootstrapping.
1731 AC_ARG_WITH(stage1-ldflags,
1732 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1733 [if test "$withval" = "no" -o "$withval" = "yes"; then
1736 stage1_ldflags=$withval
1739 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1740 # if supported. But if the user explicitly specified the libraries to use,
1741 # trust that they are doing what they want.
1742 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1743 stage1_ldflags="-static-libstdc++ -static-libgcc"
1745 AC_SUBST(stage1_ldflags)
1747 # Libraries to use for stage2 and later builds.
1748 AC_ARG_WITH(boot-libs,
1749 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1750 [if test "$withval" = "no" -o "$withval" = "yes"; then
1753 poststage1_libs=$withval
1756 AC_SUBST(poststage1_libs)
1758 # Linker flags to use for stage2 and later builds.
1759 AC_ARG_WITH(boot-ldflags,
1760 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1761 [linker flags for stage2 and later])],
1762 [if test "$withval" = "no" -o "$withval" = "yes"; then
1765 poststage1_ldflags=$withval
1767 [poststage1_ldflags=
1768 # In stages 2 and 3, default to linking libstdc++ and libgcc
1769 # statically. But if the user explicitly specified the libraries to
1770 # use, trust that they are doing what they want.
1771 if test "$poststage1_libs" = ""; then
1772 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1774 AC_SUBST(poststage1_ldflags)
1776 # GCC GRAPHITE dependency isl.
1777 # Basic setup is inlined here, actual checks are in config/isl.m4
1782 [Specify prefix directory for the installed isl package.
1783 Equivalent to --with-isl-include=PATH/include
1784 plus --with-isl-lib=PATH/lib])])
1786 # Treat --without-isl as a request to disable
1787 # GRAPHITE support and skip all following checks.
1788 if test "x$with_isl" != "xno"; then
1790 dnl Provide configure switches and initialize islinc & isllibs
1791 dnl with user input.
1793 dnl The versions of isl that work for Graphite
1795 dnl Only execute fail-action, if isl has been requested.
1797 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1800 # If the isl check failed, disable builds of in-tree variant of isl
1801 if test "x$with_isl" = xno ||
1802 test "x$gcc_cv_isl" = xno; then
1803 noconfigdirs="$noconfigdirs isl"
1810 # Check for LTO support.
1812 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1813 enable_lto=$enableval,
1814 enable_lto=yes; default_enable_lto=yes)
1816 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1817 build_lto_plugin=yes
1818 ],[if test x"$default_enable_lto" = x"yes" ; then
1820 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
1821 # On other non-ELF platforms, LTO has yet to be validated.
1825 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1826 # It would also be nice to check the binutils support, but we don't
1827 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1828 # warn during gcc/ subconfigure; unless you're bootstrapping with
1829 # -flto it won't be needed until after installation anyway.
1831 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1832 *) if test x"$enable_lto" = x"yes"; then
1833 AC_MSG_ERROR([LTO support is not enabled for this target.])
1838 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1839 # Build it unless LTO was explicitly disabled.
1841 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1846 AC_ARG_ENABLE(linker-plugin-configure-flags,
1847 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1848 [additional flags for configuring linker plugins @<:@none@:>@])],
1849 extra_linker_plugin_configure_flags=$enableval,
1850 extra_linker_plugin_configure_flags=)
1851 AC_SUBST(extra_linker_plugin_configure_flags)
1852 AC_ARG_ENABLE(linker-plugin-flags,
1853 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1854 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1855 extra_linker_plugin_flags=$enableval,
1856 extra_linker_plugin_flags=)
1857 AC_SUBST(extra_linker_plugin_flags)
1860 # By default, C and C++ are the only stage 1 languages.
1861 stage1_languages=,c,
1863 # Target libraries that we bootstrap.
1864 bootstrap_target_libs=,target-libgcc,
1866 # Figure out what language subdirectories are present.
1867 # Look if the user specified --enable-languages="..."; if not, use
1868 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1870 # NB: embedded tabs in this IF block -- do not untabify
1871 if test -d ${srcdir}/gcc; then
1872 if test x"${enable_languages+set}" != xset; then
1873 if test x"${LANGUAGES+set}" = xset; then
1874 enable_languages="${LANGUAGES}"
1875 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1877 enable_languages=all
1880 if test x"${enable_languages}" = x ||
1881 test x"${enable_languages}" = xyes;
1883 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1887 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1889 # 'f95' is the old name for the 'fortran' language. We issue a warning
1890 # and make the substitution.
1891 case ,${enable_languages}, in
1893 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1894 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1898 # If bootstrapping, C++ must be enabled.
1899 case ",$enable_languages,:$enable_bootstrap" in
1902 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1903 enable_languages="${enable_languages},c++"
1905 AC_MSG_ERROR([bootstrapping requires c++ sources])
1910 # First scan to see if an enabled language requires some other language.
1911 # We assume that a given config-lang.in will list all the language
1912 # front ends it requires, even if some are required indirectly.
1913 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1914 case ${lang_frag} in
1916 # The odd quoting in the next line works around
1917 # an apparent bug in bash 1.12 on linux.
1918 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1920 # From the config-lang.in, get $language, $lang_requires, and
1921 # $lang_requires_boot_languages.
1924 lang_requires_boot_languages=
1926 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1927 case ,${enable_languages}, in
1931 echo " \`$other' language required by \`$language'; enabling" 1>&2
1932 enable_languages="${enable_languages},${other}"
1936 for other in ${lang_requires_boot_languages} ; do
1937 if test "$other" != "c"; then
1938 case ,${enable_stage1_languages}, in
1942 case ,${enable_languages}, in
1944 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1945 enable_stage1_languages="$enable_stage1_languages,${other}"
1956 new_enable_languages=,c,
1958 # If LTO is enabled, add the LTO front end.
1959 if test "$enable_lto" = "yes" ; then
1960 case ,${enable_languages}, in
1962 *) enable_languages="${enable_languages},lto" ;;
1964 if test "${build_lto_plugin}" = "yes" ; then
1965 configdirs="$configdirs lto-plugin"
1969 # If we're building an offloading compiler, add the LTO front end.
1970 if test x"$enable_as_accelerator_for" != x ; then
1971 case ,${enable_languages}, in
1973 *) enable_languages="${enable_languages},lto" ;;
1977 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1978 potential_languages=,c,
1980 enabled_target_libs=
1981 disabled_target_libs=
1983 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1984 case ${lang_frag} in
1986 # The odd quoting in the next line works around
1987 # an apparent bug in bash 1.12 on linux.
1988 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1990 # From the config-lang.in, get $language, $target_libs,
1991 # $lang_dirs, $boot_language, and $build_by_default
1997 build_by_default=yes
1999 if test x${language} = x; then
2000 echo "${lang_frag} doesn't set \$language." 1>&2
2004 if test "$language" = "c++"; then
2009 case ,${enable_languages}, in
2011 # Language was explicitly selected; include it
2012 # unless it is C, which is enabled by default.
2013 if test "$language" != "c"; then
2018 # 'all' was selected, select it if it is a default language
2019 if test "$language" != "c"; then
2020 add_this_lang=${build_by_default}
2025 # Disable languages that need other directories if these aren't available.
2026 for i in $subdir_requires; do
2027 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2028 case ,${enable_languages}, in
2030 # Specifically requested language; tell them.
2031 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2035 add_this_lang=unsupported
2040 # Disable Ada if no preexisting GNAT is available.
2041 case ,${enable_languages},:${language}:${have_gnat} in
2042 *,${language},*:ada:no)
2043 # Specifically requested language; tell them.
2044 AC_MSG_ERROR([GNAT is required to build $language])
2048 add_this_lang=unsupported
2052 # Disable a language that is unsupported by the target.
2053 case " $unsupported_languages " in
2055 add_this_lang=unsupported
2059 case $add_this_lang in
2061 # Remove language-dependent dirs.
2062 disabled_target_libs="$disabled_target_libs $target_libs"
2063 noconfigdirs="$noconfigdirs $lang_dirs"
2066 # Remove language-dependent dirs; still show language as supported.
2067 disabled_target_libs="$disabled_target_libs $target_libs"
2068 noconfigdirs="$noconfigdirs $lang_dirs"
2069 potential_languages="${potential_languages}${language},"
2072 new_enable_languages="${new_enable_languages}${language},"
2073 potential_languages="${potential_languages}${language},"
2074 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2075 enabled_target_libs="$enabled_target_libs $target_libs"
2076 case "${boot_language}:,$enable_stage1_languages," in
2077 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2078 # Add to (comma-separated) list of stage 1 languages.
2079 case ",$stage1_languages," in
2080 *,$language,* | ,yes, | ,all,) ;;
2081 *) stage1_languages="${stage1_languages}${language}," ;;
2083 # We need to bootstrap any supporting libraries.
2084 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2093 # Add target libraries which are only needed for disabled languages
2095 if test -n "$disabled_target_libs"; then
2096 for dir in $disabled_target_libs; do
2097 case " $enabled_target_libs " in
2099 *) noconfigdirs="$noconfigdirs $dir" ;;
2104 AC_ARG_ENABLE(stage1-languages,
2105 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2106 [choose additional languages to build during
2107 stage1. Mostly useful for compiler development])],
2108 [case ,${enable_stage1_languages}, in
2110 # Set it to something that will have no effect in the loop below
2111 enable_stage1_languages=c ;;
2113 enable_stage1_languages=`echo $new_enable_languages | \
2114 sed -e "s/^,//" -e "s/,$//" ` ;;
2116 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2117 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2120 # Add "good" languages from enable_stage1_languages to stage1_languages,
2121 # while "bad" languages go in missing_languages. Leave no duplicates.
2122 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2123 case $potential_languages in
2125 case $stage1_languages in
2127 *) stage1_languages="$stage1_languages$i," ;;
2130 case $missing_languages in
2132 *) missing_languages="$missing_languages$i," ;;
2137 # Remove leading/trailing commas that were added for simplicity
2138 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2139 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2140 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2141 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2143 if test "x$missing_languages" != x; then
2145 The following requested languages could not be built: ${missing_languages}
2146 Supported languages are: ${potential_languages}])
2148 if test "x$new_enable_languages" != "x$enable_languages"; then
2149 echo The following languages will be built: ${new_enable_languages}
2150 enable_languages="$new_enable_languages"
2153 AC_SUBST(stage1_languages)
2154 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2157 # Handle --disable-<component> generically.
2158 for dir in $configdirs $build_configdirs $target_configdirs ; do
2159 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2160 varname=`echo $dirname | sed -e s/+/_/g`
2161 if eval test x\${enable_${varname}} "=" xno ; then
2162 noconfigdirs="$noconfigdirs $dir"
2166 # Check for Boehm's garbage collector
2167 AC_ARG_ENABLE(objc-gc,
2168 [AS_HELP_STRING([--enable-objc-gc],
2169 [enable use of Boehm's garbage collector with the
2170 GNU Objective-C runtime])],
2171 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2172 *,objc,*:*:yes:*target-boehm-gc*)
2173 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2177 # Make sure we only build Boehm's garbage collector if required.
2178 case ,${enable_languages},:${enable_objc_gc} in
2180 # Keep target-boehm-gc if requested for Objective-C.
2183 # Otherwise remove target-boehm-gc depending on target-libjava.
2184 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2185 noconfigdirs="$noconfigdirs target-boehm-gc"
2190 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2191 case ,${enable_languages}, in
2193 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2194 case "${noconfigdirs}" in
2195 *target-libstdc++-v3*)
2196 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2202 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2206 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2207 # $build_configdirs and $target_configdirs.
2208 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2211 for dir in . $skipdirs $noconfigdirs ; do
2212 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2213 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2214 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2215 if test -r $srcdir/$dirname/configure ; then
2216 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2219 notsupp="$notsupp $dir"
2223 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2224 build_configdirs=`echo " ${build_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 " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2234 target_configdirs=`echo " ${target_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"
2245 # Quietly strip out all directories which aren't configurable in this tree.
2246 # This relies on all configurable subdirectories being autoconfiscated, which
2248 build_configdirs_all="$build_configdirs"
2250 for i in ${build_configdirs_all} ; do
2251 j=`echo $i | sed -e s/build-//g`
2252 if test -f ${srcdir}/$j/configure ; then
2253 build_configdirs="${build_configdirs} $i"
2257 configdirs_all="$configdirs"
2259 for i in ${configdirs_all} ; do
2260 if test -f ${srcdir}/$i/configure ; then
2261 configdirs="${configdirs} $i"
2265 target_configdirs_all="$target_configdirs"
2267 for i in ${target_configdirs_all} ; do
2268 j=`echo $i | sed -e s/target-//g`
2269 if test -f ${srcdir}/$j/configure ; then
2270 target_configdirs="${target_configdirs} $i"
2274 # Exclude target-zlib if target-libjava isn't built.
2275 case ${target_configdirs} in
2279 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
2283 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2284 # so we have to add it after the preceding checks.
2285 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2287 case " $configdirs " in
2289 # If we can build libiberty, we can also build libiberty-linker-plugin.
2290 configdirs="$configdirs libiberty-linker-plugin"
2291 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2292 --with-libiberty=../libiberty-linker-plugin";;
2294 AC_MSG_ERROR([libiberty missing]);;
2298 # Sometimes we have special requirements for the host libiberty.
2299 extra_host_libiberty_configure_flags=
2300 extra_host_zlib_configure_flags=
2301 case " $configdirs " in
2302 *" lto-plugin "* | *" libcc1 "*)
2303 # When these are to be built as shared libraries, the same applies to
2305 extra_host_libiberty_configure_flags=--enable-shared
2308 # When bfd is to be built as a shared library, the same applies to
2310 if test "$enable_shared" = "yes"; then
2311 extra_host_zlib_configure_flags=--enable-host-shared
2315 AC_SUBST(extra_host_libiberty_configure_flags)
2316 AC_SUBST(extra_host_zlib_configure_flags)
2318 # Produce a warning message for the subdirs we can't configure.
2319 # This isn't especially interesting in the Cygnus tree, but in the individual
2320 # FSF releases, it's important to let people know when their machine isn't
2321 # supported by the one or two programs in a package.
2323 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2324 # If $appdirs is non-empty, at least one of those directories must still
2325 # be configured, or we error out. (E.g., if the gas release supports a
2326 # specified target in some subdirs but not the gas subdir, we shouldn't
2327 # pretend that all is well.)
2328 if test -n "$appdirs" ; then
2329 for dir in $appdirs ; do
2330 if test -r $dir/Makefile.in ; then
2331 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2335 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2341 if test -n "$appdirs" ; then
2342 echo "*** This configuration is not supported by this package." 1>&2
2346 # Okay, some application will build, or we don't care to check. Still
2347 # notify of subdirs not getting built.
2348 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2349 echo " ${notsupp}" 1>&2
2350 echo " (Any other directories should still work fine.)" 1>&2
2358 # To find our prefix, in gcc_cv_tool_prefix.
2363 AC_ARG_WITH([build-sysroot],
2364 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2365 [use sysroot as the system root during the build])],
2366 [if test x"$withval" != x ; then
2367 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2369 [SYSROOT_CFLAGS_FOR_TARGET=])
2370 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2372 AC_ARG_WITH([debug-prefix-map],
2373 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2374 [map A to B, C to D ... in debug information])],
2375 [if test x"$withval" != x; then
2376 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2377 for debug_map in $withval; do
2378 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2381 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2382 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2384 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2385 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2386 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2387 # We want to ensure that TARGET libraries (which we know are built with
2388 # gcc) are built with "-O2 -g", so include those options when setting
2389 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2390 if test "x$CFLAGS_FOR_TARGET" = x; then
2391 if test "x${is_cross_compiler}" = xyes; then
2392 CFLAGS_FOR_TARGET="-g -O2"
2394 CFLAGS_FOR_TARGET=$CFLAGS
2397 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2400 *" -g "* | *" -g3 "*) ;;
2401 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2405 AC_SUBST(CFLAGS_FOR_TARGET)
2407 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2408 if test "x${is_cross_compiler}" = xyes; then
2409 CXXFLAGS_FOR_TARGET="-g -O2"
2411 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2412 case " $CXXFLAGS " in
2414 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2416 case " $CXXFLAGS " in
2417 *" -g "* | *" -g3 "*) ;;
2418 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2422 AC_SUBST(CXXFLAGS_FOR_TARGET)
2424 AC_SUBST(LDFLAGS_FOR_TARGET)
2426 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2427 # the named directory are copied to $(tooldir)/sys-include.
2428 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2429 if test x${is_cross_compiler} = xno ; then
2430 echo 1>&2 '***' --with-headers is only supported when cross compiling
2433 if test x"${with_headers}" != xyes ; then
2434 x=${gcc_cv_tool_prefix}
2435 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2439 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2440 # the name directories are copied to $(tooldir)/lib. Multiple directories
2442 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2443 if test x${is_cross_compiler} = xno ; then
2444 echo 1>&2 '***' --with-libs is only supported when cross compiling
2447 if test x"${with_libs}" != xyes ; then
2448 # Copy the libraries in reverse order, so that files in the first named
2449 # library override files in subsequent libraries.
2450 x=${gcc_cv_tool_prefix}
2451 for l in ${with_libs}; do
2452 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2457 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2459 # This is done by determining whether or not the appropriate directory
2460 # is available, and by checking whether or not specific configurations
2461 # have requested that this magic not happen.
2463 # The command line options always override the explicit settings in
2464 # configure.ac, and the settings in configure.ac override this magic.
2466 # If the default for a toolchain is to use GNU as and ld, and you don't
2467 # want to do that, then you should use the --without-gnu-as and
2468 # --without-gnu-ld options for the configure script. Similarly, if
2469 # the default is to use the included zlib and you don't want to do that,
2470 # you should use the --with-system-zlib option for the configure script.
2472 if test x${use_gnu_as} = x &&
2473 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2475 extra_host_args="$extra_host_args --with-gnu-as"
2478 if test x${use_gnu_ld} = x &&
2479 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2481 extra_host_args="$extra_host_args --with-gnu-ld"
2484 if test x${use_included_zlib} = x &&
2485 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2488 with_system_zlib=yes
2489 extra_host_args="$extra_host_args --with-system-zlib"
2492 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2493 # can detect this case.
2495 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2497 extra_host_args="$extra_host_args --with-newlib"
2500 # Handle ${copy_dirs}
2501 set fnord ${copy_dirs}
2503 while test $# != 0 ; do
2504 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2507 echo Copying $1 to $2
2509 # Use the install script to create the directory and all required
2510 # parent directories.
2511 if test -d $2 ; then
2515 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2518 # Copy the directory, assuming we have tar.
2519 # FIXME: Should we use B in the second tar? Not all systems support it.
2520 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2522 # It is the responsibility of the user to correctly adjust all
2523 # symlinks. If somebody can figure out how to handle them correctly
2524 # here, feel free to add the code.
2531 # Determine a target-dependent exec_prefix that the installed
2532 # gcc will search in. Keep this list sorted by triplet, with
2533 # the *-*-osname triplets last.
2536 i[[34567]]86-pc-msdosdjgpp*)
2537 md_exec_prefix=/dev/env/DJDIR/bin
2542 md_exec_prefix=/usr/ccs/bin
2546 extra_arflags_for_target=
2547 extra_nmflags_for_target=
2548 extra_ranlibflags_for_target=
2549 target_makefile_frag=/dev/null
2552 target_makefile_frag="config/mt-spu"
2554 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2555 target_makefile_frag="config/mt-sde"
2557 mipsisa*-*-elfoabi*)
2558 target_makefile_frag="config/mt-mips-elfoabi"
2560 mips*-*-*linux* | mips*-*-gnu*)
2561 target_makefile_frag="config/mt-mips-gnu"
2564 target_makefile_frag="config/mt-nios2-elf"
2566 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2567 target_makefile_frag="config/mt-gnu"
2569 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2570 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2571 # commands to handle both 32-bit and 64-bit objects. These flags are
2572 # harmless if we're using GNU nm or ar.
2573 extra_arflags_for_target=" -X32_64"
2574 extra_nmflags_for_target=" -B -X32_64"
2578 alphaieee_frag=/dev/null
2581 # This just makes sure to use the -mieee option to build target libs.
2582 # This should probably be set individually by each library.
2583 alphaieee_frag="config/mt-alphaieee"
2587 # If --enable-target-optspace always use -Os instead of -O2 to build
2588 # the target libraries, similarly if it is not specified, use -Os
2589 # on selected platforms.
2590 ospace_frag=/dev/null
2591 case "${enable_target_optspace}:${target}" in
2593 ospace_frag="config/mt-ospace"
2596 ospace_frag="config/mt-d30v"
2598 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2599 ospace_frag="config/mt-ospace"
2604 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2608 # Some systems (e.g., one of the i386-aix systems the gas testers are
2609 # using) don't handle "\$" correctly, so don't use it here.
2610 tooldir='${exec_prefix}'/${target_noncanonical}
2611 build_tooldir=${tooldir}
2613 # Create a .gdbinit file which runs the one in srcdir
2614 # and tells GDB to look there for source files.
2616 if test -r ${srcdir}/.gdbinit ; then
2619 *) cat > ./.gdbinit <<EOF
2623 source ${srcdir}/.gdbinit
2629 # Make sure that the compiler is able to generate an executable. If it
2630 # can't, we are probably in trouble. We don't care whether we can run the
2631 # executable--we might be using a cross compiler--we only care whether it
2632 # can be created. At this point the main configure script has set CC.
2634 echo "int main () { return 0; }" > conftest.c
2635 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2636 if test $? = 0 ; then
2637 if test -s conftest || test -s conftest.exe ; then
2643 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2644 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2651 # Decide which environment variable is used to find dynamic libraries.
2653 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2654 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2655 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2656 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2659 # On systems where the dynamic library environment variable is PATH,
2660 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2661 # built executables to PATH.
2662 if test "$RPATH_ENVVAR" = PATH; then
2663 GCC_SHLIB_SUBDIR=/shlib
2668 # Adjust the toplevel makefile according to whether bootstrap was selected.
2669 case $enable_bootstrap in
2671 bootstrap_suffix=bootstrap
2672 BUILD_CONFIG=bootstrap-debug
2675 bootstrap_suffix=no-bootstrap
2680 AC_MSG_CHECKING(for default BUILD_CONFIG)
2682 AC_ARG_WITH([build-config],
2683 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2684 [use config/NAME.mk build configuration])],
2685 [case $with_build_config in
2686 yes) with_build_config= ;;
2687 no) with_build_config= BUILD_CONFIG= ;;
2690 if test "x${with_build_config}" != x; then
2691 BUILD_CONFIG=$with_build_config
2693 case $BUILD_CONFIG in
2695 if echo "int f (void) { return 0; }" > conftest.c &&
2696 ${CC} -c conftest.c &&
2697 mv conftest.o conftest.o.g0 &&
2698 ${CC} -c -g conftest.c &&
2699 mv conftest.o conftest.o.g &&
2700 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2705 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2709 AC_MSG_RESULT($BUILD_CONFIG)
2710 AC_SUBST(BUILD_CONFIG)
2712 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2713 AC_MSG_CHECKING([for --enable-vtable-verify])
2714 AC_ARG_ENABLE(vtable-verify,
2715 [AS_HELP_STRING([--enable-vtable-verify],
2716 [Enable vtable verification feature])],
2717 [case "$enableval" in
2718 yes) enable_vtable_verify=yes ;;
2719 no) enable_vtable_verify=no ;;
2720 *) enable_vtable_verify=no;;
2722 [enable_vtable_verify=no])
2723 AC_MSG_RESULT($enable_vtable_verify)
2725 # Record target_configdirs and the configure arguments for target and
2726 # build configuration in Makefile.
2727 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2728 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2729 bootstrap_fixincludes=no
2731 # If we are building libgomp, bootstrap it.
2732 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2733 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2736 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2737 # or bootstrap-ubsan, bootstrap it.
2738 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2739 case "$BUILD_CONFIG" in
2740 *bootstrap-asan* | *bootstrap-ubsan* )
2741 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2742 bootstrap_fixincludes=yes
2747 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2748 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2749 test "$enable_vtable_verify" != no; then
2750 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2753 # If we are building libmpx, bootstrap it.
2754 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2755 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2758 # Determine whether gdb needs tk/tcl or not.
2759 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2760 # and in that case we want gdb to be built without tk. Ugh!
2761 # In fact I believe gdb is the *only* package directly dependent on tk,
2762 # so we should be able to put the 'maybe's in unconditionally and
2763 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2764 # 100% sure that that's safe though.
2766 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2767 case "$enable_gdbtk" in
2771 GDB_TK="${gdb_tk}" ;;
2773 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2774 # distro. Eventually someone will fix this and move Insight, nee
2775 # gdbtk to a separate directory.
2776 if test -d ${srcdir}/gdb/gdbtk ; then
2783 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2784 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2786 # Strip out unwanted targets.
2788 # While at that, we remove Makefiles if we were started for recursive
2789 # configuration, so that the top-level Makefile reconfigures them,
2790 # like we used to do when configure itself was recursive.
2792 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2793 # but now we're fixing up the Makefile ourselves with the additional
2794 # commands passed to AC_CONFIG_FILES. Use separate variables
2795 # extrasub-{build,host,target} not because there is any reason to split
2796 # the substitutions up that way, but only to remain below the limit of
2797 # 99 commands in a script, for HP-UX sed.
2798 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2800 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2801 yes:yes:*\ gold\ *:*,c++,*) ;;
2802 yes:yes:*\ gold\ *:*)
2803 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2808 for module in ${build_configdirs} ; do
2809 if test -z "${no_recursion}" \
2810 && test -f ${build_subdir}/${module}/Makefile; then
2811 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2812 rm -f ${build_subdir}/${module}/Makefile
2814 extrasub_build="$extrasub_build
2815 /^@if build-$module\$/d
2816 /^@endif build-$module\$/d
2817 /^@if build-$module-$bootstrap_suffix\$/d
2818 /^@endif build-$module-$bootstrap_suffix\$/d"
2821 for module in ${configdirs} ; do
2822 if test -z "${no_recursion}"; then
2823 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2824 if test -f ${file}; then
2825 echo 1>&2 "*** removing ${file} to force reconfigure"
2830 case ${module},${bootstrap_fixincludes} in
2831 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2832 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2834 extrasub_host="$extrasub_host
2836 /^@endif $module\$/d
2837 /^@if $module-$host_bootstrap_suffix\$/d
2838 /^@endif $module-$host_bootstrap_suffix\$/d"
2841 for module in ${target_configdirs} ; do
2842 if test -z "${no_recursion}" \
2843 && test -f ${target_subdir}/${module}/Makefile; then
2844 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2845 rm -f ${target_subdir}/${module}/Makefile
2848 # We only bootstrap target libraries listed in bootstrap_target_libs.
2849 case $bootstrap_target_libs in
2850 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2851 *) target_bootstrap_suffix=no-bootstrap ;;
2854 extrasub_target="$extrasub_target
2855 /^@if target-$module\$/d
2856 /^@endif target-$module\$/d
2857 /^@if target-$module-$target_bootstrap_suffix\$/d
2858 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2861 # Do the final fixup along with target modules.
2862 extrasub_target="$extrasub_target
2863 /^@if /,/^@endif /d"
2865 # Create the serialization dependencies. This uses a temporary file.
2867 AC_ARG_ENABLE([serial-configure],
2868 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2869 [force sequential configuration of
2870 sub-packages for the host, target or build
2871 machine, or all sub-packages])])
2873 case ${enable_serial_configure} in
2875 enable_serial_build_configure=yes
2876 enable_serial_host_configure=yes
2877 enable_serial_target_configure=yes
2881 # These force 'configure's to be done one at a time, to avoid problems
2882 # with contention over a shared config.cache.
2884 echo '# serdep.tmp' > serdep.tmp
2886 test "x${enable_serial_build_configure}" = xyes &&
2887 for item in ${build_configdirs} ; do
2890 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2895 test "x${enable_serial_host_configure}" = xyes &&
2896 for item in ${configdirs} ; do
2899 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2904 test "x${enable_serial_target_configure}" = xyes &&
2905 for item in ${target_configdirs} ; do
2908 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2912 serialization_dependencies=serdep.tmp
2913 AC_SUBST_FILE(serialization_dependencies)
2915 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2916 # target, nonopt, and variable assignments. These are the ones we
2917 # might not want to pass down to subconfigures. The exception being
2918 # --cache-file=/dev/null, which is used to turn off the use of cache
2919 # files altogether, and which should be passed on to subconfigures.
2920 # Also strip program-prefix, program-suffix, and program-transform-name,
2921 # so that we can pass down a consistent program-transform-name.
2926 eval "set -- $ac_configure_args"
2929 if test X"$skip_next" = X"yes"; then
2933 if test X"$keep_next" = X"yes"; then
2936 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2938 baseargs="$baseargs '$ac_arg'"
2939 tbaseargs="$tbaseargs '$ac_arg'"
2944 # Handle separated arguments. Based on the logic generated by
2947 *=* | --config-cache | -C | -disable-* | --disable-* \
2948 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2949 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2950 | -with-* | --with-* | -without-* | --without-* | --x)
2964 --with-* | --without-*)
2965 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2969 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2972 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2981 mpc | mpfr | gmp | isl)
2982 # If we're processing --with-$lib, --with-$lib-include or
2983 # --with-$lib-lib, for one of the libs above, and target is
2984 # different from host, don't pass the current argument to any
2985 # target library's configure.
2986 if test x$is_cross_compiler = xyes; then
2995 --cache-file=/dev/null | \
2996 -cache-file=/dev/null )
2997 # Handled here to avoid the test to skip args below.
2998 baseargs="$baseargs '$ac_arg'"
2999 tbaseargs="$tbaseargs '$ac_arg'"
3000 # Assert: $separate_arg should always be no.
3001 keep_next=$separate_arg
3017 -program-prefix* | \
3018 -program-suffix* | \
3019 -program-transform-name* )
3020 skip_next=$separate_arg
3024 # An option. Add it.
3027 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3029 baseargs="$baseargs '$ac_arg'"
3030 if test X"$skip_targ" = Xno; then
3031 tbaseargs="$tbaseargs '$ac_arg'"
3033 keep_next=$separate_arg
3036 # Either a variable assignment, or a nonopt (triplet). Don't
3037 # pass it down; let the Makefile handle this.
3042 # Remove the initial space we just introduced and, as these will be
3043 # expanded by make, quote '$'.
3044 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3046 # Add in --program-transform-name, after --program-prefix and
3047 # --program-suffix have been applied to it. Autoconf has already
3048 # doubled dollar signs and backslashes in program_transform_name; we want
3049 # the backslashes un-doubled, and then the entire thing wrapped in single
3050 # quotes, because this will be expanded first by make and then by the shell.
3051 # Also, because we want to override the logic in subdir configure scripts to
3052 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3053 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3054 ${program_transform_name}
3056 gcc_transform_name=`cat conftestsed.out`
3057 rm -f conftestsed.out
3058 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3059 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3060 if test "$silent" = yes; then
3061 baseargs="$baseargs --silent"
3062 tbaseargs="$tbaseargs --silent"
3064 baseargs="$baseargs --disable-option-checking"
3065 tbaseargs="$tbaseargs --disable-option-checking"
3067 # Record and document user additions to sub configure arguments.
3068 AC_ARG_VAR([build_configargs],
3069 [additional configure arguments for build directories])
3070 AC_ARG_VAR([host_configargs],
3071 [additional configure arguments for host directories])
3072 AC_ARG_VAR([target_configargs],
3073 [additional configure arguments for target directories])
3075 # For the build-side libraries, we just need to pretend we're native,
3076 # and not use the same cache file. Multilibs are neither needed nor
3077 # desired. We can't even use the same cache file for all build-side
3078 # libraries, as they're compiled differently; some with C, some with
3079 # C++ or with different feature-enabling options.
3080 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3082 # For host modules, accept cache file option, or specification as blank.
3083 case "${cache_file}" in
3085 cache_file_option="" ;;
3086 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3087 cache_file_option="--cache-file=${cache_file}" ;;
3089 cache_file_option="--cache-file=../${cache_file}" ;;
3092 # Host dirs don't like to share a cache file either, horribly enough.
3093 # This seems to be due to autoconf 2.5x stupidity.
3094 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3096 target_configargs="$target_configargs ${tbaseargs}"
3098 # Passing a --with-cross-host argument lets the target libraries know
3099 # whether they are being built with a cross-compiler or being built
3100 # native. However, it would be better to use other mechanisms to make the
3101 # sorts of decisions they want to make on this basis. Please consider
3102 # this option to be deprecated. FIXME.
3103 if test x${is_cross_compiler} = xyes ; then
3104 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3107 # Special user-friendly check for native x86_64-linux build, if
3108 # multilib is not explicitly enabled.
3109 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3110 x86_64-*linux*:yes:$build:$build:)
3111 # Make sure we have a development environment that handles 32-bit
3113 echo "int main () { return 0; }" > conftest.c
3114 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3115 if test $? = 0 ; then
3116 if test -s conftest || test -s conftest.exe ; then
3121 if test x${dev64} != xyes ; then
3122 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.])
3127 # Default to --enable-multilib.
3128 if test x${enable_multilib} = x ; then
3129 target_configargs="--enable-multilib ${target_configargs}"
3132 # Pass --with-newlib if appropriate. Note that target_configdirs has
3133 # changed from the earlier setting of with_newlib.
3134 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3135 target_configargs="--with-newlib ${target_configargs}"
3138 # Different target subdirs use different values of certain variables
3139 # (notably CXX). Worse, multilibs use *lots* of different values.
3140 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3141 # it doesn't automatically accept command-line overrides of them.
3142 # This means it's not safe for target subdirs to share a cache file,
3143 # which is disgusting, but there you have it. Hopefully this can be
3144 # fixed in future. It's still worthwhile to use a cache file for each
3145 # directory. I think.
3147 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3148 # We need to pass --target, as newer autoconf's requires consistency
3149 # for target_alias and gcc doesn't manage it consistently.
3150 target_configargs="--cache-file=./config.cache ${target_configargs}"
3153 case " $target_configdirs " in
3155 case " $target_configargs " in
3156 *" --with-newlib "*)
3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3163 # If we're not building GCC, don't discard standard headers.
3164 if test -d ${srcdir}/gcc; then
3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3167 if test "${build}" != "${host}"; then
3168 # On Canadian crosses, CC_FOR_TARGET will have already been set
3169 # by `configure', so we won't have an opportunity to add -Bgcc/
3170 # to it. This is right: we don't want to search that directory
3171 # for binaries, but we want the header files in there, so add
3173 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3175 # Someone might think of using the pre-installed headers on
3176 # Canadian crosses, in case the installed compiler is not fully
3177 # compatible with the compiler being built. In this case, it
3178 # would be better to flag an error than risking having
3179 # incompatible object files being constructed. We can't
3180 # guarantee that an error will be flagged, but let's hope the
3181 # compiler will do it, when presented with incompatible header
3186 case "${target}-${is_cross_compiler}" in
3187 i[[3456789]]86-*-linux*-no)
3188 # Here host == target, so we don't need to build gcc,
3189 # so we don't want to discard standard headers.
3190 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3193 # If we're building newlib, use its generic headers last, but search
3194 # for any libc-related directories first (so make it the last -B
3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3198 # If we're building libgloss, find the startup file, simulator library
3199 # and linker script.
3200 case " $target_configdirs " in
3202 # Look for startup file, simulator library and maybe linker script.
3203 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3204 # Look for libnosys.a in case the target needs it.
3205 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3206 # Most targets have the linker script in the source directory.
3207 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3218 x86_64-*mingw* | *-w64-mingw*)
3219 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3220 # however, use a symlink named 'mingw' in ${prefix} .
3221 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3224 # MinGW can't be handled as Cygwin above since it does not use newlib.
3225 FLAGS_FOR_TARGET=$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'
3229 # Allow the user to override the flags for
3230 # our build compiler if desired.
3231 if test x"${build}" = x"${host}" ; then
3232 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3233 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3234 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3237 # On Canadian crosses, we'll be searching the right directories for
3238 # the previously-installed cross compiler, so don't bother to add
3239 # flags for directories within the install tree of the compiler
3240 # being built; programs in there won't even run.
3241 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3242 # Search for pre-installed headers if nothing else fits.
3243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3246 if test "x${use_gnu_ld}" = x &&
3247 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3248 # Arrange for us to find uninstalled linker scripts.
3249 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3252 # Search for other target-specific linker scripts and such.
3255 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3259 # Makefile fragments.
3260 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3262 eval fragval=\$$frag
3263 if test $fragval != /dev/null; then
3264 eval $frag=${srcdir}/$fragval
3267 AC_SUBST_FILE(host_makefile_frag)
3268 AC_SUBST_FILE(target_makefile_frag)
3269 AC_SUBST_FILE(alphaieee_frag)
3270 AC_SUBST_FILE(ospace_frag)
3272 # Miscellanea: directories, flags, etc.
3273 AC_SUBST(RPATH_ENVVAR)
3274 AC_SUBST(GCC_SHLIB_SUBDIR)
3276 AC_SUBST(build_tooldir)
3277 AC_SUBST(CONFIGURE_GDB_TK)
3279 AC_SUBST(INSTALL_GDB_TK)
3281 # Build module lists & subconfigure args.
3282 AC_SUBST(build_configargs)
3283 AC_SUBST(build_configdirs)
3285 # Host module lists & subconfigure args.
3286 AC_SUBST(host_configargs)
3287 AC_SUBST(configdirs)
3288 AC_SUBST(target_configdirs)
3290 # Target module lists & subconfigure args.
3291 AC_SUBST(target_configargs)
3295 AC_SUBST(AR_FOR_BUILD)
3296 AC_SUBST(AS_FOR_BUILD)
3297 AC_SUBST(CC_FOR_BUILD)
3298 AC_SUBST(CFLAGS_FOR_BUILD)
3299 AC_SUBST(CXXFLAGS_FOR_BUILD)
3300 AC_SUBST(CXX_FOR_BUILD)
3301 AC_SUBST(DLLTOOL_FOR_BUILD)
3302 AC_SUBST(GCJ_FOR_BUILD)
3303 AC_SUBST(GFORTRAN_FOR_BUILD)
3304 AC_SUBST(GOC_FOR_BUILD)
3305 AC_SUBST(LDFLAGS_FOR_BUILD)
3306 AC_SUBST(LD_FOR_BUILD)
3307 AC_SUBST(NM_FOR_BUILD)
3308 AC_SUBST(RANLIB_FOR_BUILD)
3309 AC_SUBST(WINDMC_FOR_BUILD)
3310 AC_SUBST(WINDRES_FOR_BUILD)
3312 # Generate default definitions for YACC, M4, LEX and other programs that run
3313 # on the build machine. These are used if the Makefile can't locate these
3314 # programs in objdir.
3315 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3317 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3318 case " $build_configdirs " in
3319 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3322 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3323 case " $build_configdirs " in
3324 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3327 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3328 case " $build_configdirs " in
3329 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3332 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3333 case " $build_configdirs " in
3334 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3335 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3338 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3339 case " $build_configdirs " in
3340 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3343 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3344 case " $build_configdirs " in
3345 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3348 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3349 # higher, else we use the "missing" dummy.
3350 if ${MAKEINFO} --version \
3351 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3354 MAKEINFO="$MISSING makeinfo"
3360 # FIXME: expect and dejagnu may become build tools?
3362 AC_CHECK_PROGS(EXPECT, expect, expect)
3363 case " $configdirs " in
3365 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3369 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3370 case " $configdirs " in
3372 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3378 NCN_STRICT_CHECK_TOOLS(AR, ar)
3379 NCN_STRICT_CHECK_TOOLS(AS, as)
3380 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3381 NCN_STRICT_CHECK_TOOLS(LD, ld)
3382 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3383 NCN_STRICT_CHECK_TOOLS(NM, nm)
3384 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3385 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3386 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3387 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3388 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3389 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3390 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3397 AC_ARG_WITH([build-time-tools],
3398 [AS_HELP_STRING([--with-build-time-tools=PATH],
3399 [use given path to find target tools during the build])],
3400 [case x"$withval" in
3403 with_build_time_tools=
3404 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3407 [with_build_time_tools=])
3409 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3410 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3411 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3412 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3413 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3414 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3416 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3417 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3418 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3419 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3420 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3421 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3422 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3423 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3424 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3425 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3426 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3427 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3428 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3430 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3432 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3433 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3434 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3435 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3436 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3437 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3439 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3440 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3442 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3443 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3444 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3445 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3446 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3447 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3448 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3449 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3450 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3451 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3452 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3453 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3454 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3455 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3456 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3457 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3458 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3459 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3461 AC_SUBST(FLAGS_FOR_TARGET)
3462 AC_SUBST(RAW_CXX_FOR_TARGET)
3464 # Certain tools may need extra flags.
3465 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3466 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3467 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3469 # When building target libraries, except in a Canadian cross, we use
3470 # the same toolchain as the compiler we just built.
3471 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3472 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3473 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3474 if test $host = $build; then
3475 case " $configdirs " in
3477 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3478 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3479 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3484 AC_SUBST(COMPILER_AS_FOR_TARGET)
3485 AC_SUBST(COMPILER_LD_FOR_TARGET)
3486 AC_SUBST(COMPILER_NM_FOR_TARGET)
3488 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3489 AC_ARG_ENABLE(maintainer-mode,
3490 [AS_HELP_STRING([--enable-maintainer-mode],
3491 [enable make rules and dependencies not useful
3492 (and sometimes confusing) to the casual installer])],
3493 USE_MAINTAINER_MODE=$enableval,
3494 USE_MAINTAINER_MODE=no)
3495 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3496 AC_SUBST(MAINTAINER_MODE_TRUE)
3497 AC_SUBST(MAINTAINER_MODE_FALSE)
3498 if test "$USE_MAINTAINER_MODE" = yes; then
3499 MAINTAINER_MODE_TRUE=
3500 MAINTAINER_MODE_FALSE='#'
3502 MAINTAINER_MODE_TRUE='#'
3503 MAINTAINER_MODE_FALSE=
3505 MAINT=$MAINTAINER_MODE_TRUE
3508 # ---------------------
3509 # GCC bootstrap support
3510 # ---------------------
3512 # Stage specific cflags for build.
3517 yes) stage1_cflags="-g -Wa,-J" ;;
3518 *) stage1_cflags="-g -J" ;;
3522 AC_SUBST(stage1_cflags)
3524 # Enable --enable-checking in stage1 of the compiler.
3525 AC_ARG_ENABLE(stage1-checking,
3526 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3527 [choose additional checking for stage1 of the compiler])],
3528 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3529 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3530 # For --disable-checking or implicit --enable-checking=release, avoid
3531 # setting --enable-checking=gc in the default stage1 checking for LTO
3532 # bootstraps. See PR62077.
3533 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
3534 case $BUILD_CONFIG in
3536 if test "x$enable_checking" = x && \
3537 test -d ${srcdir}/gcc && \
3538 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3539 stage1_checking=--enable-checking=yes,types
3541 *) stage1_checking=--enable-checking=yes,types;;
3544 stage1_checking=--enable-checking=$enable_checking,types
3546 AC_SUBST(stage1_checking)
3548 # Enable -Werror in bootstrap stage2 and later.
3549 AC_ARG_ENABLE(werror,
3550 [AS_HELP_STRING([--enable-werror],
3551 [enable -Werror in bootstrap stage2 and later])], [],
3552 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3557 case ${enable_werror} in
3558 yes) stage2_werror_flag="--enable-werror-always" ;;
3559 *) stage2_werror_flag="" ;;
3561 AC_SUBST(stage2_werror_flag)
3563 # Enable --enable-host-shared.
3564 AC_ARG_ENABLE(host-shared,
3565 [AS_HELP_STRING([--enable-host-shared],
3566 [build host code as shared libraries])],
3567 [host_shared=$enableval], [host_shared=no])
3568 AC_SUBST(host_shared)
3570 # PR jit/64780: Require the user to explicitly specify
3571 # --enable-host-shared if the jit is enabled, hinting
3572 # that they might want to do a separate configure/build of
3573 # the jit, to avoid users from slowing down the rest of the
3574 # compiler by enabling the jit.
3575 if test ${host_shared} = "no" ; then
3576 case "${enable_languages}" in
3579 Enabling language "jit" requires --enable-host-shared.
3581 --enable-host-shared typically slows the rest of the compiler down by
3582 a few %, so you must explicitly enable it.
3584 If you want to build both the jit and the regular compiler, it is often
3585 best to do this via two separate configure/builds, in separate
3586 directories, to avoid imposing the performance cost of
3587 --enable-host-shared on the regular compiler.])
3594 # Specify what files to not compare during bootstrap.
3596 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3598 hppa*64*-*-hpux*) ;;
3599 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3600 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3602 AC_SUBST(compare_exclusions)
3604 AC_CONFIG_FILES([Makefile],
3605 [sed "$extrasub_build" Makefile |
3606 sed "$extrasub_host" |
3607 sed "$extrasub_target" > mf$$
3608 mv -f mf$$ Makefile],
3609 [extrasub_build="$extrasub_build"
3610 extrasub_host="$extrasub_host"
3611 extrasub_target="$extrasub_target"])