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)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
95 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
99 # Set srcdir to "." if that's what it is.
100 # This is important for multilib support.
102 if test "${pwd}" = "${srcpwd}" ; then
110 ### To add a new directory to the tree, first choose whether it is a target
111 ### or a host dependent tool. Then put it into the appropriate list
112 ### (library or tools, host or target), doing a dependency sort.
114 # Subdirs will be configured in the order listed in build_configdirs,
115 # configdirs, or target_configdirs; see the serialization section below.
117 # Dependency sorting is only needed when *configuration* must be done in
118 # a particular order. In all cases a dependency should be specified in
119 # the Makefile, whether or not it's implicitly specified here.
121 # Double entries in build_configdirs, configdirs, or target_configdirs may
122 # cause circular dependencies and break everything horribly.
124 # these library is used by various programs built for the build
127 build_libs="build-libiberty build-libcpp"
129 # these tools are built for the build environment
130 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
132 # these libraries are used by various programs built for the host environment
134 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
136 # these tools are built for the host environment
137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138 # know that we are building the simulator.
139 # binutils, gas and ld appear in that order because it makes sense to run
140 # "make check" in that particular order.
141 # If --enable-gold is used, "gold" may replace "ld".
142 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"
144 # these libraries are built for the target environment, and are built after
145 # the host libraries and the host tools (which may be a cross compiler)
146 # Note that libiberty is not a target library.
147 target_libraries="target-libgcc \
148 target-libbacktrace \
152 target-liboffloadmic \
156 target-libstdc++-v3 \
157 target-libsanitizer \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 AC_ARG_WITH(system-zlib,
243 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # some tools are so dependent upon X11 that if we're not building with X,
251 # it's not even worth trying to configure, much less build, that tool.
254 yes | "") ;; # the default value for this tree is that X11 is available
256 skipdirs="${skipdirs} tk itcl libgui"
257 # We won't be able to build gdbtk without X.
260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263 # Some are only suitable for cross toolchains.
264 # Remove these if host=target.
265 cross_only="target-libgloss target-newlib target-opcodes"
267 case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
271 # If both --with-headers and --with-libs are specified, default to
273 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
275 if test x"${with_newlib}" = x ; then
280 # Recognize --with-newlib/--without-newlib.
281 case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286 AC_ARG_ENABLE(as-accelerator-for,
287 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
288 [build as offload target compiler.
289 Specify offload host triple by ARG])])
291 AC_ARG_ENABLE(offload-targets,
292 [AS_HELP_STRING([--enable-offload-targets=LIST],
293 [enable offloading to devices from comma-separated LIST of
294 TARGET[=DIR]. Use optional path to find offload target compiler
297 if test x"$enable_offload_targets" = x; then
298 AC_MSG_ERROR([no offload targets specified])
300 ], [enable_offload_targets=])
302 # Handle --enable-gold, --enable-ld.
303 # --disable-gold [--enable-ld]
304 # Build only ld. Default option.
305 # --enable-gold [--enable-ld]
306 # Build both gold and ld. Install gold as "ld.gold", install ld
307 # as "ld.bfd" and "ld".
308 # --enable-gold=default [--enable-ld]
309 # Build both gold and ld. Install gold as "ld.gold" and "ld",
310 # install ld as "ld.bfd".
311 # --enable-gold[=default] --disable-ld
312 # Build only gold, which is then installed as both "ld.gold" and "ld".
313 # --enable-gold --enable-ld=default
314 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
316 # In other words, ld is default
317 # --enable-gold=default --enable-ld=default
322 [AS_HELP_STRING([[--enable-gold[=ARG]]],
323 [build gold @<:@ARG={default,yes,no}@:>@])],
324 ENABLE_GOLD=$enableval,
326 case "${ENABLE_GOLD}" in
328 # Check for ELF target.
331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
334 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
336 *-*-linux*aout* | *-*-linux*oldld*)
344 if test "$is_elf" = "yes"; then
345 # Check for target supported by gold.
347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
349 configdirs="$configdirs gold"
350 if test x${ENABLE_GOLD} = xdefault; then
361 AC_MSG_ERROR([invalid --enable-gold argument])
366 [AS_HELP_STRING([[--enable-ld[=ARG]]],
367 [build ld @<:@ARG={default,yes,no}@:>@])],
368 ENABLE_LD=$enableval,
371 case "${ENABLE_LD}" in
373 if test x${default_ld} != x; then
374 AC_MSG_ERROR([either gold or ld can be the default ld])
380 if test x${ENABLE_GOLD} != xyes; then
381 AC_MSG_WARN([neither ld nor gold are enabled])
383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
386 AC_MSG_ERROR([invalid --enable-ld argument])
391 # Decide the default method for compressing debug sections.
392 # Provide a configure time option to override our default.
393 AC_ARG_ENABLE(compressed_debug_sections,
394 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
395 [Enable compressed debug sections for gas, gold or ld by
398 if test x"$enable_compressed_debug_sections" = xyes; then
399 AC_MSG_ERROR([no program with compressed debug sections specified])
401 ], [enable_compressed_debug_sections=])
403 # Configure extra directories which are host specific
407 configdirs="$configdirs libtermcap" ;;
410 # A target can indicate whether a language isn't supported for some reason.
411 # Only spaces may be used in this macro; not newlines or tabs.
412 unsupported_languages=
414 # Remove more programs from consideration, based on the host or
415 # target this usually means that a port of the program doesn't
419 i[[3456789]]86-*-msdosdjgpp*)
420 noconfigdirs="$noconfigdirs tcl tk itcl"
425 AC_ARG_ENABLE(libquadmath,
426 AS_HELP_STRING([--disable-libquadmath],
427 [do not build libquadmath directory]),
428 ENABLE_LIBQUADMATH=$enableval,
429 ENABLE_LIBQUADMATH=yes)
430 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
431 noconfigdirs="$noconfigdirs target-libquadmath"
435 AC_ARG_ENABLE(libquadmath-support,
436 AS_HELP_STRING([--disable-libquadmath-support],
437 [disable libquadmath support for Fortran]),
438 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
439 ENABLE_LIBQUADMATH_SUPPORT=yes)
440 enable_libquadmath_support=
441 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
442 enable_libquadmath_support=no
446 AC_ARG_ENABLE(libada,
447 [AS_HELP_STRING([--enable-libada], [build libada directory])],
448 ENABLE_LIBADA=$enableval,
450 if test "${ENABLE_LIBADA}" != "yes" ; then
451 noconfigdirs="$noconfigdirs gnattools"
454 AC_ARG_ENABLE(libssp,
455 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
456 ENABLE_LIBSSP=$enableval,
459 AC_ARG_ENABLE(libstdcxx,
460 AS_HELP_STRING([--disable-libstdcxx],
461 [do not build libstdc++-v3 directory]),
462 ENABLE_LIBSTDCXX=$enableval,
463 ENABLE_LIBSTDCXX=default)
464 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
468 # If this is accelerator compiler and its target is intelmic we enable
469 # target liboffloadmic by default. If this is compiler with offloading
470 # for intelmic we enable host liboffloadmic by default. Otherwise
471 # liboffloadmic is disabled by default.
472 AC_ARG_ENABLE([liboffloadmic],
473 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
475 [case "$enableval" in
477 enable_liboffloadmic=$enableval ;;
479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
481 [if test x"$enable_as_accelerator_for" != x; then
483 *-intelmic-* | *-intelmicemul-*)
484 enable_liboffloadmic=target
485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
488 enable_liboffloadmic=no
492 case "${enable_offload_targets}" in
493 *-intelmic-* | *-intelmicemul-*)
494 enable_liboffloadmic=host
495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
498 enable_liboffloadmic=no
502 AC_SUBST(extra_liboffloadmic_configure_flags)
504 # Enable libgomp by default on hosted POSIX systems, and a few others.
505 if test x$enable_libgomp = x ; then
507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
511 *-*-solaris2* | *-*-hpux11*)
513 *-*-darwin* | *-*-aix*)
518 noconfigdirs="$noconfigdirs target-libgomp"
523 # Disable libatomic on unsupported systems.
524 if test -d ${srcdir}/libatomic; then
525 if test x$enable_libatomic = x; then
526 AC_MSG_CHECKING([for libatomic support])
527 if (srcdir=${srcdir}/libatomic; \
528 . ${srcdir}/configure.tgt; \
529 test -n "$UNSUPPORTED")
532 noconfigdirs="$noconfigdirs target-libatomic"
539 # Disable liboffloadmic on unsupported systems.
540 if test -d ${srcdir}/liboffloadmic; then
541 if test x$enable_liboffloadmic != xno; then
542 AC_MSG_CHECKING([for liboffloadmic support])
543 if (srcdir=${srcdir}/liboffloadmic; \
544 . ${srcdir}/configure.tgt; \
545 test -n "$UNSUPPORTED")
548 noconfigdirs="$noconfigdirs target-liboffloadmic"
555 # Disable libitm on unsupported systems.
556 if test -d ${srcdir}/libitm; then
557 if test x$enable_libitm = x; then
558 AC_MSG_CHECKING([for libitm support])
559 if (srcdir=${srcdir}/libitm; \
560 . ${srcdir}/configure.tgt; \
561 test -n "$UNSUPPORTED")
564 noconfigdirs="$noconfigdirs target-libitm"
571 # Disable libsanitizer on unsupported systems.
572 if test -d ${srcdir}/libsanitizer; then
573 if test x$enable_libsanitizer = x; then
574 AC_MSG_CHECKING([for libsanitizer support])
575 if (srcdir=${srcdir}/libsanitizer; \
576 . ${srcdir}/configure.tgt; \
577 test -n "$UNSUPPORTED")
580 noconfigdirs="$noconfigdirs target-libsanitizer"
587 # Disable libvtv on unsupported systems.
588 if test -d ${srcdir}/libvtv; then
589 if test x$enable_libvtv = x; then
590 AC_MSG_CHECKING([for libvtv support])
591 if (srcdir=${srcdir}/libvtv; \
592 . ${srcdir}/configure.tgt; \
593 test "$VTV_SUPPORTED" != "yes")
596 noconfigdirs="$noconfigdirs target-libvtv"
604 # Disable libhsail-rt on unsupported systems.
605 if test -d ${srcdir}/libhsail-rt; then
606 if test x$enable_libhsail_rt = x; then
607 AC_MSG_CHECKING([for libhsail-rt support])
608 if (srcdir=${srcdir}/libhsail-rt; \
609 . ${srcdir}/configure.tgt; \
610 test -n "$UNSUPPORTED")
613 unsupported_languages="$unsupported_languages brig"
614 # This implicitly disables also target-libhsail-rt as it won't
615 # get added to the build without BRIG FE.
623 # Disable libquadmath for some systems.
626 noconfigdirs="$noconfigdirs target-libquadmath"
628 # libquadmath is unused on AIX and libquadmath build process use of
629 # LD_LIBRARY_PATH can break AIX bootstrap.
630 powerpc-*-aix* | rs6000-*-aix*)
631 noconfigdirs="$noconfigdirs target-libquadmath"
635 # Disable libssp for some systems.
638 # No hosted I/O support.
639 noconfigdirs="$noconfigdirs target-libssp"
641 powerpc-*-aix* | rs6000-*-aix*)
642 noconfigdirs="$noconfigdirs target-libssp"
645 # libssp uses a misaligned load to trigger a fault, but the RL78
646 # doesn't fault for those - instead, it gives a build-time error
647 # for explicit misaligned loads.
648 noconfigdirs="$noconfigdirs target-libssp"
651 # No hosted I/O support.
652 noconfigdirs="$noconfigdirs target-libssp"
656 # Disable libstdc++-v3 for some systems.
657 # Allow user to override this if they pass --enable-libstdc++-v3
658 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
661 # VxWorks uses the Dinkumware C++ library.
662 noconfigdirs="$noconfigdirs target-libstdc++-v3"
665 # the C++ libraries don't build on top of CE's C libraries
666 noconfigdirs="$noconfigdirs target-libstdc++-v3"
669 noconfigdirs="$noconfigdirs target-libstdc++-v3"
672 noconfigdirs="$noconfigdirs target-libstdc++-v3"
677 # Disable D on systems where it is known to not work.
678 # For testing, you can override this with --enable-languages=d.
679 case ,${enable_languages}, in
685 unsupported_languages="$unsupported_languages d"
691 # Disable libphobos on unsupported systems.
692 # For testing, you can override this with --enable-libphobos.
693 if test -d ${srcdir}/libphobos; then
694 if test x$enable_libphobos = x; then
695 AC_MSG_CHECKING([for libphobos support])
696 if (srcdir=${srcdir}/libphobos; \
697 . ${srcdir}/configure.tgt; \
698 test "$LIBPHOBOS_SUPPORTED" != "yes")
701 noconfigdirs="$noconfigdirs target-libphobos"
708 # Disable Fortran for some systems.
711 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
712 unsupported_languages="$unsupported_languages fortran"
716 # Disable libffi for some systems.
720 i[[3456789]]86-*-darwin*)
722 x86_64-*-darwin[[912]]*)
725 noconfigdirs="$noconfigdirs target-libffi"
728 noconfigdirs="$noconfigdirs target-libffi"
731 noconfigdirs="$noconfigdirs target-libffi"
734 noconfigdirs="$noconfigdirs target-libffi"
737 noconfigdirs="$noconfigdirs target-libffi"
740 noconfigdirs="$noconfigdirs target-libffi"
743 noconfigdirs="$noconfigdirs target-libffi"
746 noconfigdirs="$noconfigdirs target-libffi"
749 noconfigdirs="$noconfigdirs target-libffi"
752 noconfigdirs="$noconfigdirs target-libffi"
755 noconfigdirs="$noconfigdirs target-libffi"
758 noconfigdirs="$noconfigdirs target-libffi"
760 cris-*-* | crisv32-*-*)
764 *) # See PR46792 regarding target-libffi.
765 noconfigdirs="$noconfigdirs target-libffi";;
769 noconfigdirs="$noconfigdirs target-libffi"
774 noconfigdirs="$noconfigdirs target-libffi"
777 noconfigdirs="$noconfigdirs target-libffi"
779 i[[3456789]]86-w64-mingw*)
780 noconfigdirs="$noconfigdirs target-libffi"
782 i[[3456789]]86-*-mingw*)
783 noconfigdirs="$noconfigdirs target-libffi"
786 noconfigdirs="$noconfigdirs target-libffi"
789 noconfigdirs="$noconfigdirs target-libffi"
796 noconfigdirs="$noconfigdirs target-libffi"
799 noconfigdirs="$noconfigdirs target-libffi"
803 # Disable the go frontend on systems where it is known to not work. Please keep
804 # this in sync with contrib/config-list.mk.
806 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
807 unsupported_languages="$unsupported_languages go"
811 # Disable libgo for some systems where it is known to not work.
812 # For testing, you can easily override this with --enable-libgo.
813 if test x$enable_libgo = x; then
817 noconfigdirs="$noconfigdirs target-libgo"
819 *-*-cygwin* | *-*-mingw*)
820 noconfigdirs="$noconfigdirs target-libgo"
825 # Default libgloss CPU subdirectory.
826 libgloss_dir="$target_cpu"
829 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
838 cris-*-* | crisv32-*-*)
847 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
864 # Disable newlib and libgloss for various target OSes.
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
869 i[[3456789]]86-*-linux*)
870 # This section makes it possible to build newlib natively on linux.
871 # If we are using a cross compiler then don't configure newlib.
872 if test x${is_cross_compiler} != xno ; then
873 noconfigdirs="$noconfigdirs target-newlib"
875 noconfigdirs="$noconfigdirs target-libgloss"
876 # If we are not using a cross compiler, do configure newlib.
877 # Note however, that newlib will only be configured in this situation
878 # if the --with-newlib option has been given, because otherwise
879 # 'target-newlib' will appear in skipdirs.
881 i[[3456789]]86-*-rdos*)
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 sh*-*-pe|mips*-*-pe|arm-wince-pe)
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
903 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
905 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
906 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
912 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
915 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
921 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
924 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
935 noconfigdirs="$noconfigdirs ld gas gdb gprof"
936 noconfigdirs="$noconfigdirs sim target-rda"
941 noconfigdirs="$noconfigdirs ld gas gdb gprof"
942 noconfigdirs="$noconfigdirs sim target-rda"
945 noconfigdirs="$noconfigdirs ld gas gdb gprof"
946 noconfigdirs="$noconfigdirs sim target-rda"
948 i[[3456789]]86-*-darwin*)
949 noconfigdirs="$noconfigdirs ld gprof"
950 noconfigdirs="$noconfigdirs sim target-rda"
952 x86_64-*-darwin[[912]]*)
953 noconfigdirs="$noconfigdirs ld gas gprof"
954 noconfigdirs="$noconfigdirs sim target-rda"
957 noconfigdirs="$noconfigdirs ld gas gdb gprof"
958 noconfigdirs="$noconfigdirs sim target-rda"
963 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
964 && ! test -d ${srcdir}/gmp \
965 && test -f /usr/local/include/gmp.h; then
970 # Remove unsupported stuff on all kaOS configurations.
971 noconfigdirs="$noconfigdirs target-libgloss"
978 noconfigdirs="$noconfigdirs target-libgloss"
981 noconfigdirs="$noconfigdirs target-libgloss"
983 # The tpf target doesn't support gdb yet.
985 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
988 noconfigdirs="$noconfigdirs target-rda"
993 # ld works, but does not support shared libraries.
994 # gas doesn't generate exception information.
995 noconfigdirs="$noconfigdirs gas ld"
998 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1001 # newlib is not 64 bit ready
1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1004 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1005 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1008 noconfigdirs="$noconfigdirs sim"
1011 noconfigdirs="$noconfigdirs target-libgloss"
1014 noconfigdirs="$noconfigdirs ld target-libgloss"
1017 if test x${with_avrlibc} != xno; then
1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1021 c4x-*-* | tic4x-*-*)
1022 noconfigdirs="$noconfigdirs target-libgloss"
1025 noconfigdirs="$noconfigdirs target-libgloss gdb"
1028 noconfigdirs="$noconfigdirs target-libgloss"
1031 noconfigdirs="$noconfigdirs gdb"
1034 noconfigdirs="$noconfigdirs gdb"
1037 noconfigdirs="$noconfigdirs target-rda gprof"
1040 noconfigdirs="$noconfigdirs"
1043 noconfigdirs="$noconfigdirs target-libgloss"
1046 noconfigdirs="$noconfigdirs target-libgloss"
1048 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1051 noconfigdirs="$noconfigdirs gdb"
1054 noconfigdirs="$noconfigdirs gdb ld"
1062 hppa*-*-openbsd* | \
1068 noconfigdirs="$noconfigdirs ld"
1071 noconfigdirs="$noconfigdirs gdb"
1074 # No gdb support yet.
1075 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1078 # No ld support yet.
1079 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1082 # No ld support yet.
1083 noconfigdirs="$noconfigdirs libgui itcl ld"
1085 i[[3456789]]86-w64-mingw*)
1087 i[[3456789]]86-*-mingw*)
1088 target_configdirs="$target_configdirs target-winsup"
1091 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1092 noconfigdirs="$noconfigdirs target-libgloss"
1093 # always build newlib if winsup directory is present.
1094 if test -d "$srcdir/winsup/cygwin"; then
1095 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1096 elif test -d "$srcdir/newlib"; then
1097 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1100 i[[3456789]]86-*-pe)
1101 noconfigdirs="$noconfigdirs target-libgloss"
1103 i[[3456789]]86-*-sco3.2v5*)
1104 # The linker does not yet know about weak symbols in COFF,
1105 # and is not configured to handle mixed ELF and COFF.
1106 noconfigdirs="$noconfigdirs ld target-libgloss"
1108 i[[3456789]]86-*-sco*)
1109 noconfigdirs="$noconfigdirs gprof target-libgloss"
1111 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1112 noconfigdirs="$noconfigdirs target-libgloss"
1114 i[[3456789]]86-*-sysv4*)
1115 noconfigdirs="$noconfigdirs target-libgloss"
1117 i[[3456789]]86-*-beos*)
1118 noconfigdirs="$noconfigdirs gdb"
1120 i[[3456789]]86-*-rdos*)
1121 noconfigdirs="$noconfigdirs gdb"
1124 noconfigdirs="$noconfigdirs gdb"
1127 noconfigdirs="$noconfigdirs sim"
1130 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1131 noconfigdirs="$noconfigdirs $target_libraries"
1134 # copied from rs6000-*-* entry
1135 noconfigdirs="$noconfigdirs gprof"
1137 powerpc*-*-winnt* | powerpc*-*-pe*)
1138 target_configdirs="$target_configdirs target-winsup"
1139 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1140 # always build newlib.
1141 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1143 # This is temporary until we can link against shared libraries
1144 powerpcle-*-solaris*)
1145 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1148 noconfigdirs="$noconfigdirs gdb"
1151 noconfigdirs="$noconfigdirs gprof"
1154 noconfigdirs="$noconfigdirs gprof"
1157 noconfigdirs="$noconfigdirs gprof"
1160 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1163 noconfigdirs="$noconfigdirs gprof"
1165 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1166 if test x$with_newlib = xyes; then
1167 noconfigdirs="$noconfigdirs gprof"
1171 noconfigdirs="$noconfigdirs gprof target-libgloss"
1174 noconfigdirs="$noconfigdirs gprof target-libgloss"
1177 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1181 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1182 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1183 noconfigdirs="$noconfigdirs ld gas gprof"
1186 noconfigdirs="$noconfigdirs gprof"
1189 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1196 noconfigdirs="$noconfigdirs target-libgloss" ;;
1200 if test x${is_cross_compiler} = xno ; then
1205 noconfigdirs="$noconfigdirs sim"
1207 tilepro*-*-* | tilegx*-*-*)
1208 noconfigdirs="$noconfigdirs sim"
1211 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1214 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1217 noconfigdirs="$noconfigdirs ld"
1221 # If we aren't building newlib, then don't build libgloss, since libgloss
1222 # depends upon some newlib header files.
1223 case "${noconfigdirs}" in
1224 *target-libgloss*) ;;
1225 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1228 # Work in distributions that contain no compiler tools, like Autoconf.
1229 host_makefile_frag=/dev/null
1230 if test -d ${srcdir}/config ; then
1232 i[[3456789]]86-*-msdosdjgpp*)
1233 host_makefile_frag="config/mh-djgpp"
1236 ACX_CHECK_CYGWIN_CAT_WORKS
1237 host_makefile_frag="config/mh-cygwin"
1240 host_makefile_frag="config/mh-mingw"
1243 host_makefile_frag="config/mh-alpha-linux"
1246 host_makefile_frag="config/mh-pa-hpux10"
1249 host_makefile_frag="config/mh-pa"
1252 host_makefile_frag="config/mh-pa"
1255 host_makefile_frag="config/mh-darwin"
1258 host_makefile_frag="config/mh-ppc-aix"
1261 host_makefile_frag="config/mh-ppc-aix"
1266 if test "${build}" != "${host}" ; then
1267 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1268 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1269 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1270 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1271 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1272 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1273 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
1274 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1275 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1276 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1277 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1278 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1279 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1281 AR_FOR_BUILD="\$(AR)"
1282 AS_FOR_BUILD="\$(AS)"
1283 CC_FOR_BUILD="\$(CC)"
1284 CXX_FOR_BUILD="\$(CXX)"
1285 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1286 GOC_FOR_BUILD="\$(GOC)"
1287 GDC_FOR_BUILD="\$(GDC)"
1288 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1289 LD_FOR_BUILD="\$(LD)"
1290 NM_FOR_BUILD="\$(NM)"
1291 RANLIB_FOR_BUILD="\$(RANLIB)"
1292 WINDRES_FOR_BUILD="\$(WINDRES)"
1293 WINDMC_FOR_BUILD="\$(WINDMC)"
1299 # We must set the default linker to the linker used by gcc for the correct
1300 # operation of libtool. If LD is not defined and we are using gcc, try to
1301 # set the LD default to the ld used by gcc.
1302 if test -z "$LD"; then
1303 if test "$GCC" = yes; then
1306 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1308 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1310 case $gcc_prog_ld in
1311 # Accept absolute paths.
1312 [[\\/]* | [A-Za-z]:[\\/]*)]
1313 LD="$gcc_prog_ld" ;;
1318 # Check whether -static-libstdc++ -static-libgcc is supported.
1320 if test "$GCC" = yes; then
1321 saved_LDFLAGS="$LDFLAGS"
1323 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1324 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1326 AC_LINK_IFELSE([AC_LANG_SOURCE([
1327 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1328 #error -static-libstdc++ not implemented
1331 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1332 [AC_MSG_RESULT([no])])
1335 LDFLAGS="$saved_LDFLAGS"
1339 ACX_PROG_CMP_IGNORE_INITIAL
1341 AC_ARG_ENABLE([bootstrap],
1342 [AS_HELP_STRING([--enable-bootstrap],
1343 [enable bootstrapping @<:@yes if native build@:>@])],,
1344 enable_bootstrap=default)
1346 # Issue errors and warnings for invalid/strange bootstrap combinations.
1347 if test -r $srcdir/gcc/configure; then
1353 case "$have_compiler:$host:$target:$enable_bootstrap" in
1356 # Default behavior. Enable bootstrap if we have a compiler
1357 # and we are in a native configuration.
1358 yes:$build:$build:default)
1359 enable_bootstrap=yes ;;
1362 enable_bootstrap=no ;;
1364 # We have a compiler and we are in a native configuration, bootstrap is ok
1365 yes:$build:$build:yes)
1368 # Other configurations, but we have a compiler. Assume the user knows
1371 AC_MSG_WARN([trying to bootstrap a cross compiler])
1374 # No compiler: if they passed --enable-bootstrap explicitly, fail
1376 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1378 # Fail if wrong command line
1380 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1384 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1385 # C++98 compiler can still start the bootstrap.
1386 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1387 CXX="$CXX -std=gnu++98"
1390 # Used for setting $lt_cv_objdir
1393 # Check for GMP, MPFR and MPC
1394 gmplibs="-lmpc -lmpfr -lgmp"
1398 # Specify a location for mpc
1399 # check for this first so it ends up on the link line before mpfr.
1401 [AS_HELP_STRING([--with-mpc=PATH],
1402 [specify prefix directory for installed MPC package.
1403 Equivalent to --with-mpc-include=PATH/include
1404 plus --with-mpc-lib=PATH/lib])])
1405 AC_ARG_WITH(mpc-include,
1406 [AS_HELP_STRING([--with-mpc-include=PATH],
1407 [specify directory for installed MPC include files])])
1408 AC_ARG_WITH(mpc-lib,
1409 [AS_HELP_STRING([--with-mpc-lib=PATH],
1410 [specify directory for the installed MPC library])])
1412 if test "x$with_mpc" != x; then
1413 gmplibs="-L$with_mpc/lib $gmplibs"
1414 gmpinc="-I$with_mpc/include $gmpinc"
1416 if test "x$with_mpc_include" != x; then
1417 gmpinc="-I$with_mpc_include $gmpinc"
1419 if test "x$with_mpc_lib" != x; then
1420 gmplibs="-L$with_mpc_lib $gmplibs"
1422 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1423 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1424 gmpinc='-I$$s/mpc/src '"$gmpinc"
1425 # Do not test the mpc version. Assume that it is sufficient, since
1426 # it is in the source tree, and the library has not been built yet
1427 # but it would be included on the link line in the version check below
1428 # hence making the test fail.
1432 # Specify a location for mpfr
1433 # check for this first so it ends up on the link line before gmp.
1434 AC_ARG_WITH(mpfr-dir,
1435 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1436 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1437 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1440 [AS_HELP_STRING([--with-mpfr=PATH],
1441 [specify prefix directory for installed MPFR package.
1442 Equivalent to --with-mpfr-include=PATH/include
1443 plus --with-mpfr-lib=PATH/lib])])
1444 AC_ARG_WITH(mpfr-include,
1445 [AS_HELP_STRING([--with-mpfr-include=PATH],
1446 [specify directory for installed MPFR include files])])
1447 AC_ARG_WITH(mpfr-lib,
1448 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1449 [specify directory for the installed MPFR library])])
1451 if test "x$with_mpfr" != x; then
1452 gmplibs="-L$with_mpfr/lib $gmplibs"
1453 gmpinc="-I$with_mpfr/include $gmpinc"
1455 if test "x$with_mpfr_include" != x; then
1456 gmpinc="-I$with_mpfr_include $gmpinc"
1458 if test "x$with_mpfr_lib" != x; then
1459 gmplibs="-L$with_mpfr_lib $gmplibs"
1461 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1462 # MPFR v3.1.0 moved the sources into a src sub-directory.
1463 if ! test -d ${srcdir}/mpfr/src; then
1465 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1467 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1468 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1469 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1470 # Do not test the mpfr version. Assume that it is sufficient, since
1471 # it is in the source tree, and the library has not been built yet
1472 # but it would be included on the link line in the version check below
1473 # hence making the test fail.
1477 # Specify a location for gmp
1478 AC_ARG_WITH(gmp-dir,
1479 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1480 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1481 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1484 [AS_HELP_STRING([--with-gmp=PATH],
1485 [specify prefix directory for the installed GMP package.
1486 Equivalent to --with-gmp-include=PATH/include
1487 plus --with-gmp-lib=PATH/lib])])
1488 AC_ARG_WITH(gmp-include,
1489 [AS_HELP_STRING([--with-gmp-include=PATH],
1490 [specify directory for installed GMP include files])])
1491 AC_ARG_WITH(gmp-lib,
1492 [AS_HELP_STRING([--with-gmp-lib=PATH],
1493 [specify directory for the installed GMP library])])
1496 if test "x$with_gmp" != x; then
1497 gmplibs="-L$with_gmp/lib $gmplibs"
1498 gmpinc="-I$with_gmp/include $gmpinc"
1500 if test "x$with_gmp_include" != x; then
1501 gmpinc="-I$with_gmp_include $gmpinc"
1503 if test "x$with_gmp_lib" != x; then
1504 gmplibs="-L$with_gmp_lib $gmplibs"
1506 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1507 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1508 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1509 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1510 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1511 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1512 # Do not test the gmp version. Assume that it is sufficient, since
1513 # it is in the source tree, and the library has not been built yet
1514 # but it would be included on the link line in the version check below
1515 # hence making the test fail.
1519 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1521 saved_CFLAGS="$CFLAGS"
1522 CFLAGS="$CFLAGS $gmpinc"
1523 # Check for the recommended and required versions of GMP.
1524 AC_MSG_CHECKING([for the correct version of gmp.h])
1525 AC_TRY_COMPILE([#include "gmp.h"],[
1526 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1527 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1528 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1531 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1532 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1533 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1534 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1537 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1538 [AC_MSG_RESULT([no]); have_gmp=no])
1540 # If we have GMP, check the MPFR version.
1541 if test x"$have_gmp" = xyes; then
1542 # Check for the recommended and required versions of MPFR.
1543 AC_MSG_CHECKING([for the correct version of mpfr.h])
1544 AC_TRY_COMPILE([#include <gmp.h>
1545 #include <mpfr.h>],[
1546 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1549 ], [AC_TRY_COMPILE([#include <gmp.h>
1550 #include <mpfr.h>],[
1551 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1554 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1555 [AC_MSG_RESULT([no]); have_gmp=no])
1558 # Check for the MPC header version.
1559 if test x"$have_gmp" = xyes ; then
1560 # Check for the recommended and required versions of MPC.
1561 AC_MSG_CHECKING([for the correct version of mpc.h])
1562 AC_TRY_COMPILE([#include <mpc.h>],[
1563 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1566 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1567 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1570 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1571 [AC_MSG_RESULT([no]); have_gmp=no])
1574 # Now check the MPFR library.
1575 if test x"$have_gmp" = xyes; then
1577 LIBS="$LIBS $gmplibs"
1578 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1579 AC_TRY_LINK([#include <mpc.h>],[
1586 mpfr_atan2 (n, n, x, GMP_RNDN);
1587 mpfr_erfc (n, x, GMP_RNDN);
1588 mpfr_subnormalize (x, t, GMP_RNDN);
1592 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1593 mpc_cosh (c, c, MPC_RNDNN);
1594 mpc_pow (c, c, c, MPC_RNDNN);
1595 mpc_acosh (c, c, MPC_RNDNN);
1597 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1601 CFLAGS="$saved_CFLAGS"
1603 # The library versions listed in the error message below should match
1604 # the HARD-minimums enforced above.
1605 if test x$have_gmp != xyes; then
1606 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1607 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1608 their locations. Source code for these libraries can be found at
1609 their respective hosting sites as well as at
1610 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1611 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1612 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1613 make sure that you have installed both the libraries and the header
1614 files. They may be located in separate packages.])
1618 # Flags needed for both GMP, MPFR and/or MPC.
1621 AC_SUBST(extra_mpfr_configure_flags)
1622 AC_SUBST(extra_mpc_gmp_configure_flags)
1623 AC_SUBST(extra_mpc_mpfr_configure_flags)
1624 AC_SUBST(extra_isl_gmp_configure_flags)
1626 # Libraries to use for stage1 or when not bootstrapping.
1627 AC_ARG_WITH(stage1-libs,
1628 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1629 [if test "$withval" = "no" -o "$withval" = "yes"; then
1632 stage1_libs=$withval
1635 AC_SUBST(stage1_libs)
1637 # Linker flags to use for stage1 or when not bootstrapping.
1638 AC_ARG_WITH(stage1-ldflags,
1639 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1640 [if test "$withval" = "no" -o "$withval" = "yes"; then
1643 stage1_ldflags=$withval
1646 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1647 # if supported. But if the user explicitly specified the libraries to use,
1648 # trust that they are doing what they want.
1649 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1650 stage1_ldflags="-static-libstdc++ -static-libgcc"
1652 AC_SUBST(stage1_ldflags)
1654 # Libraries to use for stage2 and later builds.
1655 AC_ARG_WITH(boot-libs,
1656 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1657 [if test "$withval" = "no" -o "$withval" = "yes"; then
1660 poststage1_libs=$withval
1663 AC_SUBST(poststage1_libs)
1665 # Linker flags to use for stage2 and later builds.
1666 AC_ARG_WITH(boot-ldflags,
1667 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1668 [linker flags for stage2 and later])],
1669 [if test "$withval" = "no" -o "$withval" = "yes"; then
1672 poststage1_ldflags=$withval
1674 [poststage1_ldflags=
1675 # In stages 2 and 3, default to linking libstdc++ and libgcc
1676 # statically. But if the user explicitly specified the libraries to
1677 # use, trust that they are doing what they want.
1678 if test "$poststage1_libs" = ""; then
1679 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1681 AC_SUBST(poststage1_ldflags)
1683 # GCC GRAPHITE dependency isl.
1684 # Basic setup is inlined here, actual checks are in config/isl.m4
1689 [Specify prefix directory for the installed isl package.
1690 Equivalent to --with-isl-include=PATH/include
1691 plus --with-isl-lib=PATH/lib])])
1693 # Treat --without-isl as a request to disable
1694 # GRAPHITE support and skip all following checks.
1695 if test "x$with_isl" != "xno"; then
1697 dnl Provide configure switches and initialize islinc & isllibs
1698 dnl with user input.
1700 dnl The versions of isl that work for Graphite
1702 dnl Only execute fail-action, if isl has been requested.
1704 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1707 # If the isl check failed, disable builds of in-tree variant of isl
1708 if test "x$with_isl" = xno ||
1709 test "x$gcc_cv_isl" = xno; then
1710 noconfigdirs="$noconfigdirs isl"
1717 # Check for LTO support.
1719 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1720 enable_lto=$enableval,
1721 enable_lto=yes; default_enable_lto=yes)
1723 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1724 build_lto_plugin=yes
1725 ],[if test x"$default_enable_lto" = x"yes" ; then
1727 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1728 # On other non-ELF platforms, LTO has yet to be validated.
1732 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1733 # It would also be nice to check the binutils support, but we don't
1734 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1735 # warn during gcc/ subconfigure; unless you're bootstrapping with
1736 # -flto it won't be needed until after installation anyway.
1738 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1739 *) if test x"$enable_lto" = x"yes"; then
1740 AC_MSG_ERROR([LTO support is not enabled for this target.])
1745 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1746 # Build it unless LTO was explicitly disabled.
1748 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1753 AC_ARG_ENABLE(linker-plugin-configure-flags,
1754 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1755 [additional flags for configuring linker plugins @<:@none@:>@])],
1756 extra_linker_plugin_configure_flags=$enableval,
1757 extra_linker_plugin_configure_flags=)
1758 AC_SUBST(extra_linker_plugin_configure_flags)
1759 AC_ARG_ENABLE(linker-plugin-flags,
1760 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1761 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1762 extra_linker_plugin_flags=$enableval,
1763 extra_linker_plugin_flags=)
1764 AC_SUBST(extra_linker_plugin_flags)
1766 # Enable --enable-host-shared.
1767 # Checked early to determine whether jit is an 'all' language
1768 AC_ARG_ENABLE(host-shared,
1769 [AS_HELP_STRING([--enable-host-shared],
1770 [build host code as shared libraries])],
1771 [host_shared=$enableval], [host_shared=no])
1772 AC_SUBST(host_shared)
1774 # By default, C and C++ are the only stage 1 languages.
1775 stage1_languages=,c,
1777 # Target libraries that we bootstrap.
1778 bootstrap_target_libs=,target-libgcc,
1780 # Figure out what language subdirectories are present.
1781 # Look if the user specified --enable-languages="..."; if not, use
1782 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1784 # NB: embedded tabs in this IF block -- do not untabify
1785 if test -d ${srcdir}/gcc; then
1786 if test x"${enable_languages+set}" != xset; then
1787 if test x"${LANGUAGES+set}" = xset; then
1788 enable_languages="${LANGUAGES}"
1789 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1791 enable_languages=default
1794 if test x"${enable_languages}" = x ||
1795 test x"${enable_languages}" = xyes;
1797 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1801 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1803 # 'f95' is the old name for the 'fortran' language. We issue a warning
1804 # and make the substitution.
1805 case ,${enable_languages}, in
1807 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1808 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1812 # If bootstrapping, C++ must be enabled.
1813 case ",$enable_languages,:$enable_bootstrap" in
1816 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1817 enable_languages="${enable_languages},c++"
1819 AC_MSG_ERROR([bootstrapping requires c++ sources])
1824 # First scan to see if an enabled language requires some other language.
1825 # We assume that a given config-lang.in will list all the language
1826 # front ends it requires, even if some are required indirectly.
1827 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1828 case ${lang_frag} in
1830 # The odd quoting in the next line works around
1831 # an apparent bug in bash 1.12 on linux.
1832 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1834 # From the config-lang.in, get $language, $lang_requires, and
1835 # $lang_requires_boot_languages.
1838 lang_requires_boot_languages=
1839 # set srcdir during sourcing lang_frag to the gcc dir.
1840 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1841 # polutes this shell
1842 saved_srcdir=${srcdir}
1843 srcdir=${srcdir}/gcc . ${lang_frag}
1844 srcdir=${saved_srcdir}
1845 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1846 case ,${enable_languages}, in
1851 echo " \`$other' language required by \`$language'; enabling" 1>&2
1852 enable_languages="${enable_languages},${other}"
1856 for other in ${lang_requires_boot_languages} ; do
1857 if test "$other" != "c"; then
1858 case ,${enable_stage1_languages}, in
1863 case ,${enable_languages}, in
1865 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1866 enable_stage1_languages="$enable_stage1_languages,${other}"
1877 new_enable_languages=,c,
1879 # If LTO is enabled, add the LTO front end.
1880 if test "$enable_lto" = "yes" ; then
1881 case ,${enable_languages}, in
1883 *) enable_languages="${enable_languages},lto" ;;
1885 if test "${build_lto_plugin}" = "yes" ; then
1886 configdirs="$configdirs lto-plugin"
1890 # If we're building an offloading compiler, add the LTO front end.
1891 if test x"$enable_as_accelerator_for" != x ; then
1892 case ,${enable_languages}, in
1894 *) enable_languages="${enable_languages},lto" ;;
1898 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1899 potential_languages=,c,
1901 enabled_target_libs=
1902 disabled_target_libs=
1904 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1905 case ${lang_frag} in
1907 # The odd quoting in the next line works around
1908 # an apparent bug in bash 1.12 on linux.
1909 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1911 # From the config-lang.in, get $language, $target_libs,
1912 # $lang_dirs, $boot_language, and $build_by_default
1918 build_by_default=yes
1919 # set srcdir during sourcing. See above about save & restore
1920 saved_srcdir=${srcdir}
1921 srcdir=${srcdir}/gcc . ${lang_frag}
1922 srcdir=${saved_srcdir}
1923 if test x${language} = x; then
1924 echo "${lang_frag} doesn't set \$language." 1>&2
1928 if test "$language" = "c++"; then
1933 # C is always enabled, so no need to add it again
1934 if test "$language" != "c"; then
1935 case ,${enable_languages}, in
1937 # Language was explicitly selected; include it
1941 # All languages are enabled
1945 # 'default' was selected, select it if it is a default language
1946 add_this_lang=${build_by_default}
1951 # Disable languages that need other directories if these aren't available.
1952 for i in $subdir_requires; do
1953 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1954 case ${add_this_lang} in
1956 # Specifically requested language; tell them.
1957 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1960 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1961 add_this_lang=unsupported
1965 add_this_lang=unsupported
1970 # Disable Ada if no preexisting GNAT is available.
1971 case ${add_this_lang}:${language}:${have_gnat} in
1973 # Specifically requested language; tell them.
1974 AC_MSG_ERROR([GNAT is required to build $language])
1977 AC_MSG_WARN([GNAT is required to build $language])
1978 add_this_lang=unsupported
1982 add_this_lang=unsupported
1986 # Disable jit if -enable-host-shared not specified
1987 case ${add_this_lang}:${language}:${host_shared} in
1989 # PR jit/64780: explicitly specify --enable-host-shared
1991 Enabling language "jit" requires --enable-host-shared.
1993 --enable-host-shared typically slows the rest of the compiler down by
1994 a few %, so you must explicitly enable it.
1996 If you want to build both the jit and the regular compiler, it is often
1997 best to do this via two separate configure/builds, in separate
1998 directories, to avoid imposing the performance cost of
1999 --enable-host-shared on the regular compiler.])
2002 AC_MSG_WARN([--enable-host-shared required to build $language])
2003 add_this_lang=unsupported
2007 add_this_lang=unsupported
2011 # Disable a language that is unsupported by the target.
2012 case "${add_this_lang}: $unsupported_languages " in
2016 AC_MSG_WARN([${language} not supported for this target])
2017 add_this_lang=unsupported
2021 case $add_this_lang in
2023 # Remove language-dependent dirs.
2024 disabled_target_libs="$disabled_target_libs $target_libs"
2025 noconfigdirs="$noconfigdirs $lang_dirs"
2028 # Remove language-dependent dirs; still show language as supported.
2029 disabled_target_libs="$disabled_target_libs $target_libs"
2030 noconfigdirs="$noconfigdirs $lang_dirs"
2031 potential_languages="${potential_languages}${language},"
2034 new_enable_languages="${new_enable_languages}${language},"
2035 potential_languages="${potential_languages}${language},"
2036 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2037 enabled_target_libs="$enabled_target_libs $target_libs"
2038 case "${boot_language}:,$enable_stage1_languages," in
2039 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2040 # Add to (comma-separated) list of stage 1 languages.
2041 case ",$stage1_languages," in
2042 *,$language,* | ,yes, | ,all,) ;;
2043 *) stage1_languages="${stage1_languages}${language}," ;;
2045 # We need to bootstrap any supporting libraries.
2046 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2055 # Add target libraries which are only needed for disabled languages
2057 if test -n "$disabled_target_libs"; then
2058 for dir in $disabled_target_libs; do
2059 case " $enabled_target_libs " in
2061 *) noconfigdirs="$noconfigdirs $dir" ;;
2066 AC_ARG_ENABLE(stage1-languages,
2067 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2068 [choose additional languages to build during
2069 stage1. Mostly useful for compiler development])],
2070 [case ,${enable_stage1_languages}, in
2072 # Set it to something that will have no effect in the loop below
2073 enable_stage1_languages=c ;;
2075 enable_stage1_languages=`echo $new_enable_languages | \
2076 sed -e "s/^,//" -e "s/,$//" ` ;;
2078 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2079 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2082 # Add "good" languages from enable_stage1_languages to stage1_languages,
2083 # while "bad" languages go in missing_languages. Leave no duplicates.
2084 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2085 case $potential_languages in
2087 case $stage1_languages in
2089 *) stage1_languages="$stage1_languages$i," ;;
2092 case $missing_languages in
2094 *) missing_languages="$missing_languages$i," ;;
2099 # Remove leading/trailing commas that were added for simplicity
2100 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2101 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2102 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2103 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2105 if test "x$missing_languages" != x; then
2107 The following requested languages could not be built: ${missing_languages}
2108 Supported languages are: ${potential_languages}])
2110 if test "x$new_enable_languages" != "x$enable_languages"; then
2111 echo The following languages will be built: ${new_enable_languages}
2112 enable_languages="$new_enable_languages"
2115 AC_SUBST(stage1_languages)
2116 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2119 # Handle --disable-<component> generically.
2120 for dir in $configdirs $build_configdirs $target_configdirs ; do
2121 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2122 varname=`echo $dirname | sed -e s/+/_/g`
2123 if eval test x\${enable_${varname}} "=" xno ; then
2124 noconfigdirs="$noconfigdirs $dir"
2128 # Check for Boehm's garbage collector
2129 AC_ARG_ENABLE(objc-gc,
2130 [AS_HELP_STRING([--enable-objc-gc],
2131 [enable use of Boehm's garbage collector with the
2132 GNU Objective-C runtime])])
2133 AC_ARG_WITH([target-bdw-gc],
2134 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2135 [specify prefix directory for installed bdw-gc package.
2136 Equivalent to --with-target-bdw-gc-include=PATH/include
2137 plus --with-target-bdw-gc-lib=PATH/lib])])
2138 AC_ARG_WITH([target-bdw-gc-include],
2139 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2140 [specify directories for installed bdw-gc include files])])
2141 AC_ARG_WITH([target-bdw-gc-lib],
2142 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2143 [specify directories for installed bdw-gc library])])
2145 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2146 AC_MSG_CHECKING([for bdw garbage collector])
2147 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2148 dnl no bdw-gw options, assume default locations
2149 AC_MSG_RESULT([using bdw-gc in default locations])
2151 dnl bdw-gw options, first error checking, complete checking in libobjc
2152 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2153 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2154 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2155 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2157 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2162 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2163 case ,${enable_languages}, in
2165 # Disable libitm, libsanitizer if we're not building libstdc++
2166 case "${noconfigdirs}" in
2167 *target-libstdc++-v3*)
2168 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2174 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2178 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2179 # $build_configdirs and $target_configdirs.
2180 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2183 for dir in . $skipdirs $noconfigdirs ; do
2184 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2185 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2186 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2187 if test -r $srcdir/$dirname/configure ; then
2188 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2191 notsupp="$notsupp $dir"
2195 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2196 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2197 if test -r $srcdir/$dirname/configure ; then
2198 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2201 notsupp="$notsupp $dir"
2205 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2206 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2207 if test -r $srcdir/$dirname/configure ; then
2208 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2211 notsupp="$notsupp $dir"
2217 # Quietly strip out all directories which aren't configurable in this tree.
2218 # This relies on all configurable subdirectories being autoconfiscated, which
2220 build_configdirs_all="$build_configdirs"
2222 for i in ${build_configdirs_all} ; do
2223 j=`echo $i | sed -e s/build-//g`
2224 if test -f ${srcdir}/$j/configure ; then
2225 build_configdirs="${build_configdirs} $i"
2229 configdirs_all="$configdirs"
2231 for i in ${configdirs_all} ; do
2232 if test -f ${srcdir}/$i/configure ; then
2233 configdirs="${configdirs} $i"
2237 target_configdirs_all="$target_configdirs"
2239 for i in ${target_configdirs_all} ; do
2240 j=`echo $i | sed -e s/target-//g`
2241 if test -f ${srcdir}/$j/configure ; then
2242 target_configdirs="${target_configdirs} $i"
2246 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2247 # so we have to add it after the preceding checks.
2248 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2250 case " $configdirs " in
2252 # If we can build libiberty, we can also build libiberty-linker-plugin.
2253 configdirs="$configdirs libiberty-linker-plugin"
2254 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2255 --with-libiberty=../libiberty-linker-plugin";;
2257 AC_MSG_ERROR([libiberty missing]);;
2261 # Sometimes we have special requirements for the host libiberty.
2262 extra_host_libiberty_configure_flags=
2263 extra_host_zlib_configure_flags=
2264 case " $configdirs " in
2265 *" lto-plugin "* | *" libcc1 "*)
2266 # When these are to be built as shared libraries, the same applies to
2268 extra_host_libiberty_configure_flags=--enable-shared
2271 # When bfd is to be built as a shared library, the same applies to
2273 if test "$enable_shared" = "yes"; then
2274 extra_host_zlib_configure_flags=--enable-host-shared
2278 AC_SUBST(extra_host_libiberty_configure_flags)
2279 AC_SUBST(extra_host_zlib_configure_flags)
2281 # Produce a warning message for the subdirs we can't configure.
2282 # This isn't especially interesting in the Cygnus tree, but in the individual
2283 # FSF releases, it's important to let people know when their machine isn't
2284 # supported by the one or two programs in a package.
2286 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2287 # If $appdirs is non-empty, at least one of those directories must still
2288 # be configured, or we error out. (E.g., if the gas release supports a
2289 # specified target in some subdirs but not the gas subdir, we shouldn't
2290 # pretend that all is well.)
2291 if test -n "$appdirs" ; then
2292 for dir in $appdirs ; do
2293 if test -r $dir/Makefile.in ; then
2294 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2298 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2304 if test -n "$appdirs" ; then
2305 echo "*** This configuration is not supported by this package." 1>&2
2309 # Okay, some application will build, or we don't care to check. Still
2310 # notify of subdirs not getting built.
2311 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2312 echo " ${notsupp}" 1>&2
2313 echo " (Any other directories should still work fine.)" 1>&2
2321 # To find our prefix, in gcc_cv_tool_prefix.
2326 AC_ARG_WITH([build-sysroot],
2327 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2328 [use sysroot as the system root during the build])],
2329 [if test x"$withval" != x ; then
2330 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2332 [SYSROOT_CFLAGS_FOR_TARGET=])
2333 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2335 AC_ARG_WITH([debug-prefix-map],
2336 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2337 [map A to B, C to D ... in debug information])],
2338 [if test x"$withval" != x; then
2339 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2340 for debug_map in $withval; do
2341 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2344 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2345 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2347 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2348 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2349 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2350 # We want to ensure that TARGET libraries (which we know are built with
2351 # gcc) are built with "-O2 -g", so include those options when setting
2352 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2353 if test "x$CFLAGS_FOR_TARGET" = x; then
2354 if test "x${is_cross_compiler}" = xyes; then
2355 CFLAGS_FOR_TARGET="-g -O2"
2357 CFLAGS_FOR_TARGET=$CFLAGS
2360 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2363 *" -g "* | *" -g3 "*) ;;
2364 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2368 AC_SUBST(CFLAGS_FOR_TARGET)
2370 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2371 if test "x${is_cross_compiler}" = xyes; then
2372 CXXFLAGS_FOR_TARGET="-g -O2"
2374 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2375 case " $CXXFLAGS " in
2377 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2379 case " $CXXFLAGS " in
2380 *" -g "* | *" -g3 "*) ;;
2381 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2385 AC_SUBST(CXXFLAGS_FOR_TARGET)
2387 AC_SUBST(LDFLAGS_FOR_TARGET)
2389 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2390 # the named directory are copied to $(tooldir)/sys-include.
2391 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2392 if test x${is_cross_compiler} = xno ; then
2393 echo 1>&2 '***' --with-headers is only supported when cross compiling
2396 if test x"${with_headers}" != xyes ; then
2397 x=${gcc_cv_tool_prefix}
2398 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2402 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2403 # the name directories are copied to $(tooldir)/lib. Multiple directories
2405 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2406 if test x${is_cross_compiler} = xno ; then
2407 echo 1>&2 '***' --with-libs is only supported when cross compiling
2410 if test x"${with_libs}" != xyes ; then
2411 # Copy the libraries in reverse order, so that files in the first named
2412 # library override files in subsequent libraries.
2413 x=${gcc_cv_tool_prefix}
2414 for l in ${with_libs}; do
2415 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2420 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2422 # This is done by determining whether or not the appropriate directory
2423 # is available, and by checking whether or not specific configurations
2424 # have requested that this magic not happen.
2426 # The command line options always override the explicit settings in
2427 # configure.ac, and the settings in configure.ac override this magic.
2429 # If the default for a toolchain is to use GNU as and ld, and you don't
2430 # want to do that, then you should use the --without-gnu-as and
2431 # --without-gnu-ld options for the configure script. Similarly, if
2432 # the default is to use the included zlib and you don't want to do that,
2433 # you should use the --with-system-zlib option for the configure script.
2435 if test x${use_gnu_as} = x &&
2436 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2438 extra_host_args="$extra_host_args --with-gnu-as"
2441 if test x${use_gnu_ld} = x &&
2442 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2444 extra_host_args="$extra_host_args --with-gnu-ld"
2447 if test x${use_included_zlib} = x &&
2448 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2451 with_system_zlib=yes
2452 extra_host_args="$extra_host_args --with-system-zlib"
2455 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2456 # can detect this case.
2458 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2460 extra_host_args="$extra_host_args --with-newlib"
2463 # Handle ${copy_dirs}
2464 set fnord ${copy_dirs}
2466 while test $# != 0 ; do
2467 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2470 echo Copying $1 to $2
2472 # Use the install script to create the directory and all required
2473 # parent directories.
2474 if test -d $2 ; then
2478 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2481 # Copy the directory, assuming we have tar.
2482 # FIXME: Should we use B in the second tar? Not all systems support it.
2483 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2485 # It is the responsibility of the user to correctly adjust all
2486 # symlinks. If somebody can figure out how to handle them correctly
2487 # here, feel free to add the code.
2494 # Determine a target-dependent exec_prefix that the installed
2495 # gcc will search in. Keep this list sorted by triplet, with
2496 # the *-*-osname triplets last.
2499 i[[34567]]86-pc-msdosdjgpp*)
2500 md_exec_prefix=/dev/env/DJDIR/bin
2505 md_exec_prefix=/usr/ccs/bin
2509 extra_arflags_for_target=
2510 extra_nmflags_for_target=
2511 extra_ranlibflags_for_target=
2512 target_makefile_frag=/dev/null
2515 target_makefile_frag="config/mt-spu"
2517 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2518 target_makefile_frag="config/mt-sde"
2520 mipsisa*-*-elfoabi*)
2521 target_makefile_frag="config/mt-mips-elfoabi"
2523 mips*-*-*linux* | mips*-*-gnu*)
2524 target_makefile_frag="config/mt-mips-gnu"
2527 target_makefile_frag="config/mt-nios2-elf"
2530 target_makefile_frag="config/mt-android"
2532 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2533 target_makefile_frag="config/mt-gnu"
2535 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2536 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2537 # commands to handle both 32-bit and 64-bit objects. These flags are
2538 # harmless if we're using GNU nm or ar.
2539 extra_arflags_for_target=" -X32_64"
2540 extra_nmflags_for_target=" -B -X32_64"
2544 alphaieee_frag=/dev/null
2547 # This just makes sure to use the -mieee option to build target libs.
2548 # This should probably be set individually by each library.
2549 alphaieee_frag="config/mt-alphaieee"
2553 # If --enable-target-optspace always use -Os instead of -O2 to build
2554 # the target libraries, similarly if it is not specified, use -Os
2555 # on selected platforms.
2556 ospace_frag=/dev/null
2557 case "${enable_target_optspace}:${target}" in
2559 ospace_frag="config/mt-ospace"
2562 ospace_frag="config/mt-d30v"
2564 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2565 ospace_frag="config/mt-ospace"
2570 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2574 # Some systems (e.g., one of the i386-aix systems the gas testers are
2575 # using) don't handle "\$" correctly, so don't use it here.
2576 tooldir='${exec_prefix}'/${target_noncanonical}
2577 build_tooldir=${tooldir}
2579 # Create a .gdbinit file which runs the one in srcdir
2580 # and tells GDB to look there for source files.
2582 if test -r ${srcdir}/.gdbinit ; then
2585 *) cat > ./.gdbinit <<EOF
2589 source ${srcdir}/.gdbinit
2595 # Make sure that the compiler is able to generate an executable. If it
2596 # can't, we are probably in trouble. We don't care whether we can run the
2597 # executable--we might be using a cross compiler--we only care whether it
2598 # can be created. At this point the main configure script has set CC.
2600 echo "int main () { return 0; }" > conftest.c
2601 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2602 if test $? = 0 ; then
2603 if test -s conftest || test -s conftest.exe ; then
2609 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2610 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2617 # Decide which environment variable is used to find dynamic libraries.
2619 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2620 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2621 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2622 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2625 # On systems where the dynamic library environment variable is PATH,
2626 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2627 # built executables to PATH.
2628 if test "$RPATH_ENVVAR" = PATH; then
2629 GCC_SHLIB_SUBDIR=/shlib
2634 # Adjust the toplevel makefile according to whether bootstrap was selected.
2635 case $enable_bootstrap in
2637 bootstrap_suffix=bootstrap
2638 BUILD_CONFIG=bootstrap-debug
2641 bootstrap_suffix=no-bootstrap
2646 AC_MSG_CHECKING(for default BUILD_CONFIG)
2648 AC_ARG_WITH([build-config],
2649 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2650 [use config/NAME.mk build configuration])],
2651 [case $with_build_config in
2652 yes) with_build_config= ;;
2653 no) with_build_config= BUILD_CONFIG= ;;
2656 if test "x${with_build_config}" != x; then
2657 BUILD_CONFIG=$with_build_config
2659 case $BUILD_CONFIG in
2661 if echo "int f (void) { return 0; }" > conftest.c &&
2662 ${CC} -c conftest.c &&
2663 mv conftest.o conftest.o.g0 &&
2664 ${CC} -c -g conftest.c &&
2665 mv conftest.o conftest.o.g &&
2666 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2671 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2675 AC_MSG_RESULT($BUILD_CONFIG)
2676 AC_SUBST(BUILD_CONFIG)
2678 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2679 AC_MSG_CHECKING([for --enable-vtable-verify])
2680 AC_ARG_ENABLE(vtable-verify,
2681 [AS_HELP_STRING([--enable-vtable-verify],
2682 [Enable vtable verification feature])],
2683 [case "$enableval" in
2684 yes) enable_vtable_verify=yes ;;
2685 no) enable_vtable_verify=no ;;
2686 *) enable_vtable_verify=no;;
2688 [enable_vtable_verify=no])
2689 AC_MSG_RESULT($enable_vtable_verify)
2691 # Record target_configdirs and the configure arguments for target and
2692 # build configuration in Makefile.
2693 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2694 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2695 bootstrap_fixincludes=no
2697 # If we are building libgomp, bootstrap it.
2698 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2699 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2702 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2703 # or bootstrap-ubsan, bootstrap it.
2704 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2705 case "$BUILD_CONFIG" in
2706 *bootstrap-asan* | *bootstrap-ubsan* )
2707 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2708 bootstrap_fixincludes=yes
2713 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2714 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2715 test "$enable_vtable_verify" != no; then
2716 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2719 # Determine whether gdb needs tk/tcl or not.
2720 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2721 # and in that case we want gdb to be built without tk. Ugh!
2722 # In fact I believe gdb is the *only* package directly dependent on tk,
2723 # so we should be able to put the 'maybe's in unconditionally and
2724 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2725 # 100% sure that that's safe though.
2727 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2728 case "$enable_gdbtk" in
2732 GDB_TK="${gdb_tk}" ;;
2734 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2735 # distro. Eventually someone will fix this and move Insight, nee
2736 # gdbtk to a separate directory.
2737 if test -d ${srcdir}/gdb/gdbtk ; then
2744 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2745 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2747 # Strip out unwanted targets.
2749 # While at that, we remove Makefiles if we were started for recursive
2750 # configuration, so that the top-level Makefile reconfigures them,
2751 # like we used to do when configure itself was recursive.
2753 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2754 # but now we're fixing up the Makefile ourselves with the additional
2755 # commands passed to AC_CONFIG_FILES. Use separate variables
2756 # extrasub-{build,host,target} not because there is any reason to split
2757 # the substitutions up that way, but only to remain below the limit of
2758 # 99 commands in a script, for HP-UX sed.
2760 # Do not nest @if/@endif or @unless/@endunless pairs, because
2761 # configure will not warn you at all.
2763 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2764 yes:yes:*\ gold\ *:*,c++,*) ;;
2765 yes:yes:*\ gold\ *:*)
2766 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2771 for module in ${build_configdirs} ; do
2772 if test -z "${no_recursion}" \
2773 && test -f ${build_subdir}/${module}/Makefile; then
2774 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2775 rm -f ${build_subdir}/${module}/Makefile
2777 extrasub_build="$extrasub_build
2778 /^@if build-$module\$/d
2779 /^@endif build-$module\$/d
2780 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2781 /^@if build-$module-$bootstrap_suffix\$/d
2782 /^@endif build-$module-$bootstrap_suffix\$/d
2783 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2786 for module in ${configdirs} ; do
2787 if test -z "${no_recursion}"; then
2788 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2789 if test -f ${file}; then
2790 echo 1>&2 "*** removing ${file} to force reconfigure"
2795 case ${module},${bootstrap_fixincludes} in
2796 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2797 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2799 extrasub_host="$extrasub_host
2801 /^@endif $module\$/d
2802 /^@unless $module\$/,/^@endunless $module\$/d
2803 /^@if $module-$host_bootstrap_suffix\$/d
2804 /^@endif $module-$host_bootstrap_suffix\$/d
2805 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2808 for module in ${target_configdirs} ; do
2809 if test -z "${no_recursion}" \
2810 && test -f ${target_subdir}/${module}/Makefile; then
2811 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2812 rm -f ${target_subdir}/${module}/Makefile
2815 # We only bootstrap target libraries listed in bootstrap_target_libs.
2816 case $bootstrap_target_libs in
2817 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2818 *) target_bootstrap_suffix=no-bootstrap ;;
2821 extrasub_target="$extrasub_target
2822 /^@if target-$module\$/d
2823 /^@endif target-$module\$/d
2824 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2825 /^@if target-$module-$target_bootstrap_suffix\$/d
2826 /^@endif target-$module-$target_bootstrap_suffix\$/d
2827 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2830 # Do the final fixup along with target modules.
2831 extrasub_target="$extrasub_target
2836 # Create the serialization dependencies. This uses a temporary file.
2838 AC_ARG_ENABLE([serial-configure],
2839 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2840 [force sequential configuration of
2841 sub-packages for the host, target or build
2842 machine, or all sub-packages])])
2844 case ${enable_serial_configure} in
2846 enable_serial_build_configure=yes
2847 enable_serial_host_configure=yes
2848 enable_serial_target_configure=yes
2852 # These force 'configure's to be done one at a time, to avoid problems
2853 # with contention over a shared config.cache.
2855 echo '# serdep.tmp' > serdep.tmp
2857 test "x${enable_serial_build_configure}" = xyes &&
2858 for item in ${build_configdirs} ; do
2861 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2866 test "x${enable_serial_host_configure}" = xyes &&
2867 for item in ${configdirs} ; do
2870 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2875 test "x${enable_serial_target_configure}" = xyes &&
2876 for item in ${target_configdirs} ; do
2879 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2883 serialization_dependencies=serdep.tmp
2884 AC_SUBST_FILE(serialization_dependencies)
2886 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2887 # target, nonopt, and variable assignments. These are the ones we
2888 # might not want to pass down to subconfigures. The exception being
2889 # --cache-file=/dev/null, which is used to turn off the use of cache
2890 # files altogether, and which should be passed on to subconfigures.
2891 # Also strip program-prefix, program-suffix, and program-transform-name,
2892 # so that we can pass down a consistent program-transform-name.
2897 eval "set -- $ac_configure_args"
2900 if test X"$skip_next" = X"yes"; then
2904 if test X"$keep_next" = X"yes"; then
2907 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2909 baseargs="$baseargs '$ac_arg'"
2910 tbaseargs="$tbaseargs '$ac_arg'"
2915 # Handle separated arguments. Based on the logic generated by
2918 *=* | --config-cache | -C | -disable-* | --disable-* \
2919 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2920 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2921 | -with-* | --with-* | -without-* | --without-* | --x)
2935 --with-* | --without-*)
2936 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2940 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2943 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2952 mpc | mpfr | gmp | isl)
2953 # If we're processing --with-$lib, --with-$lib-include or
2954 # --with-$lib-lib, for one of the libs above, and target is
2955 # different from host, don't pass the current argument to any
2956 # target library's configure.
2957 if test x$is_cross_compiler = xyes; then
2966 --cache-file=/dev/null | \
2967 -cache-file=/dev/null )
2968 # Handled here to avoid the test to skip args below.
2969 baseargs="$baseargs '$ac_arg'"
2970 tbaseargs="$tbaseargs '$ac_arg'"
2971 # Assert: $separate_arg should always be no.
2972 keep_next=$separate_arg
2988 -program-prefix* | \
2989 -program-suffix* | \
2990 -program-transform-name* )
2991 skip_next=$separate_arg
2995 # An option. Add it.
2998 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3000 baseargs="$baseargs '$ac_arg'"
3001 if test X"$skip_targ" = Xno; then
3002 tbaseargs="$tbaseargs '$ac_arg'"
3004 keep_next=$separate_arg
3007 # Either a variable assignment, or a nonopt (triplet). Don't
3008 # pass it down; let the Makefile handle this.
3013 # Remove the initial space we just introduced and, as these will be
3014 # expanded by make, quote '$'.
3015 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3017 # Add in --program-transform-name, after --program-prefix and
3018 # --program-suffix have been applied to it. Autoconf has already
3019 # doubled dollar signs and backslashes in program_transform_name; we want
3020 # the backslashes un-doubled, and then the entire thing wrapped in single
3021 # quotes, because this will be expanded first by make and then by the shell.
3022 # Also, because we want to override the logic in subdir configure scripts to
3023 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3024 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3025 ${program_transform_name}
3027 gcc_transform_name=`cat conftestsed.out`
3028 rm -f conftestsed.out
3029 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3030 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3031 if test "$silent" = yes; then
3032 baseargs="$baseargs --silent"
3033 tbaseargs="$tbaseargs --silent"
3035 baseargs="$baseargs --disable-option-checking"
3036 tbaseargs="$tbaseargs --disable-option-checking"
3038 # Record and document user additions to sub configure arguments.
3039 AC_ARG_VAR([build_configargs],
3040 [additional configure arguments for build directories])
3041 AC_ARG_VAR([host_configargs],
3042 [additional configure arguments for host directories])
3043 AC_ARG_VAR([target_configargs],
3044 [additional configure arguments for target directories])
3046 # For the build-side libraries, we just need to pretend we're native,
3047 # and not use the same cache file. Multilibs are neither needed nor
3048 # desired. We can't even use the same cache file for all build-side
3049 # libraries, as they're compiled differently; some with C, some with
3050 # C++ or with different feature-enabling options.
3051 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3053 # For host modules, accept cache file option, or specification as blank.
3054 case "${cache_file}" in
3056 cache_file_option="" ;;
3057 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3058 cache_file_option="--cache-file=${cache_file}" ;;
3060 cache_file_option="--cache-file=../${cache_file}" ;;
3063 # Host dirs don't like to share a cache file either, horribly enough.
3064 # This seems to be due to autoconf 2.5x stupidity.
3065 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3067 target_configargs="$target_configargs ${tbaseargs}"
3069 # Passing a --with-cross-host argument lets the target libraries know
3070 # whether they are being built with a cross-compiler or being built
3071 # native. However, it would be better to use other mechanisms to make the
3072 # sorts of decisions they want to make on this basis. Please consider
3073 # this option to be deprecated. FIXME.
3074 if test x${is_cross_compiler} = xyes ; then
3075 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3078 # Special user-friendly check for native x86_64-linux build, if
3079 # multilib is not explicitly enabled.
3080 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3081 x86_64-*linux*:yes:$build:$build:)
3082 # Make sure we have a development environment that handles 32-bit
3084 echo "int main () { return 0; }" > conftest.c
3085 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3086 if test $? = 0 ; then
3087 if test -s conftest || test -s conftest.exe ; then
3092 if test x${dev64} != xyes ; then
3093 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.])
3098 # Default to --enable-multilib.
3099 if test x${enable_multilib} = x ; then
3100 target_configargs="--enable-multilib ${target_configargs}"
3103 # Pass --with-newlib if appropriate. Note that target_configdirs has
3104 # changed from the earlier setting of with_newlib.
3105 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3106 target_configargs="--with-newlib ${target_configargs}"
3109 # Different target subdirs use different values of certain variables
3110 # (notably CXX). Worse, multilibs use *lots* of different values.
3111 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3112 # it doesn't automatically accept command-line overrides of them.
3113 # This means it's not safe for target subdirs to share a cache file,
3114 # which is disgusting, but there you have it. Hopefully this can be
3115 # fixed in future. It's still worthwhile to use a cache file for each
3116 # directory. I think.
3118 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3119 # We need to pass --target, as newer autoconf's requires consistency
3120 # for target_alias and gcc doesn't manage it consistently.
3121 target_configargs="--cache-file=./config.cache ${target_configargs}"
3124 case " $target_configdirs " in
3126 case " $target_configargs " in
3127 *" --with-newlib "*)
3130 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3134 # If we're not building GCC, don't discard standard headers.
3135 if test -d ${srcdir}/gcc; then
3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3138 if test "${build}" != "${host}"; then
3139 # On Canadian crosses, CC_FOR_TARGET will have already been set
3140 # by `configure', so we won't have an opportunity to add -Bgcc/
3141 # to it. This is right: we don't want to search that directory
3142 # for binaries, but we want the header files in there, so add
3144 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3146 # Someone might think of using the pre-installed headers on
3147 # Canadian crosses, in case the installed compiler is not fully
3148 # compatible with the compiler being built. In this case, it
3149 # would be better to flag an error than risking having
3150 # incompatible object files being constructed. We can't
3151 # guarantee that an error will be flagged, but let's hope the
3152 # compiler will do it, when presented with incompatible header
3157 case "${target}-${is_cross_compiler}" in
3158 i[[3456789]]86-*-linux*-no)
3159 # Here host == target, so we don't need to build gcc,
3160 # so we don't want to discard standard headers.
3161 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3164 # If we're building newlib, use its generic headers last, but search
3165 # for any libc-related directories first (so make it the last -B
3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3169 # If we're building libgloss, find the startup file, simulator library
3170 # and linker script.
3171 case " $target_configdirs " in
3173 # Look for startup file, simulator library and maybe linker script.
3174 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3175 # Look for libnosys.a in case the target needs it.
3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3177 # Most targets have the linker script in the source directory.
3178 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3189 x86_64-*mingw* | *-w64-mingw*)
3190 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3191 # however, use a symlink named 'mingw' in ${prefix} .
3192 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3195 # MinGW can't be handled as Cygwin above since it does not use newlib.
3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3200 # Allow the user to override the flags for
3201 # our build compiler if desired.
3202 if test x"${build}" = x"${host}" ; then
3203 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3204 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3205 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3208 # On Canadian crosses, we'll be searching the right directories for
3209 # the previously-installed cross compiler, so don't bother to add
3210 # flags for directories within the install tree of the compiler
3211 # being built; programs in there won't even run.
3212 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3213 # Search for pre-installed headers if nothing else fits.
3214 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3217 if test "x${use_gnu_ld}" = x &&
3218 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3219 # Arrange for us to find uninstalled linker scripts.
3220 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3223 # Search for other target-specific linker scripts and such.
3226 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3230 # Makefile fragments.
3231 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3233 eval fragval=\$$frag
3234 if test $fragval != /dev/null; then
3235 eval $frag=${srcdir}/$fragval
3238 AC_SUBST_FILE(host_makefile_frag)
3239 AC_SUBST_FILE(target_makefile_frag)
3240 AC_SUBST_FILE(alphaieee_frag)
3241 AC_SUBST_FILE(ospace_frag)
3243 # Miscellanea: directories, flags, etc.
3244 AC_SUBST(RPATH_ENVVAR)
3245 AC_SUBST(GCC_SHLIB_SUBDIR)
3247 AC_SUBST(build_tooldir)
3248 AC_SUBST(CONFIGURE_GDB_TK)
3250 AC_SUBST(INSTALL_GDB_TK)
3252 # Build module lists & subconfigure args.
3253 AC_SUBST(build_configargs)
3254 AC_SUBST(build_configdirs)
3256 # Host module lists & subconfigure args.
3257 AC_SUBST(host_configargs)
3258 AC_SUBST(configdirs)
3259 AC_SUBST(target_configdirs)
3261 # Target module lists & subconfigure args.
3262 AC_SUBST(target_configargs)
3266 AC_SUBST(AR_FOR_BUILD)
3267 AC_SUBST(AS_FOR_BUILD)
3268 AC_SUBST(CC_FOR_BUILD)
3269 AC_SUBST(CFLAGS_FOR_BUILD)
3270 AC_SUBST(CXXFLAGS_FOR_BUILD)
3271 AC_SUBST(CXX_FOR_BUILD)
3272 AC_SUBST(DLLTOOL_FOR_BUILD)
3273 AC_SUBST(GFORTRAN_FOR_BUILD)
3274 AC_SUBST(GOC_FOR_BUILD)
3275 AC_SUBST(GDC_FOR_BUILD)
3276 AC_SUBST(LDFLAGS_FOR_BUILD)
3277 AC_SUBST(LD_FOR_BUILD)
3278 AC_SUBST(NM_FOR_BUILD)
3279 AC_SUBST(RANLIB_FOR_BUILD)
3280 AC_SUBST(WINDMC_FOR_BUILD)
3281 AC_SUBST(WINDRES_FOR_BUILD)
3283 # Generate default definitions for YACC, M4, LEX and other programs that run
3284 # on the build machine. These are used if the Makefile can't locate these
3285 # programs in objdir.
3286 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3288 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3289 case " $build_configdirs " in
3290 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3293 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3294 case " $build_configdirs " in
3295 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3298 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3299 case " $build_configdirs " in
3300 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3303 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3304 case " $build_configdirs " in
3305 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3306 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3309 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3310 case " $build_configdirs " in
3311 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3314 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3315 case " $build_configdirs " in
3316 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3319 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3320 # higher, else we use the "missing" dummy.
3321 if ${MAKEINFO} --version \
3322 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3325 MAKEINFO="$MISSING makeinfo"
3331 # FIXME: expect and dejagnu may become build tools?
3333 AC_CHECK_PROGS(EXPECT, expect, expect)
3334 case " $configdirs " in
3336 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3340 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3341 case " $configdirs " in
3343 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3349 NCN_STRICT_CHECK_TOOLS(AR, ar)
3350 NCN_STRICT_CHECK_TOOLS(AS, as)
3351 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3352 NCN_STRICT_CHECK_TOOLS(LD, ld)
3353 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3354 NCN_STRICT_CHECK_TOOLS(NM, nm)
3355 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3356 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3357 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3358 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3359 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3360 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3361 NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
3362 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3369 AC_ARG_WITH([build-time-tools],
3370 [AS_HELP_STRING([--with-build-time-tools=PATH],
3371 [use given path to find target tools during the build])],
3372 [case x"$withval" in
3375 with_build_time_tools=
3376 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3379 [with_build_time_tools=])
3381 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3382 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3383 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3384 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3385 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3386 NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
3388 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3389 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3390 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3391 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3392 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3393 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3394 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3395 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3396 ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
3397 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3398 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3399 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3400 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3401 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3403 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3405 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3406 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3407 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3408 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3409 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3410 [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],
3412 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3413 [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],
3415 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3416 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3417 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3418 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3419 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3420 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3421 GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3422 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
3423 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3424 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3425 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3426 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3427 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3428 GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
3429 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3430 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3431 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3432 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3433 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3435 AC_SUBST(FLAGS_FOR_TARGET)
3436 AC_SUBST(RAW_CXX_FOR_TARGET)
3438 # Certain tools may need extra flags.
3439 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3440 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3441 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3443 # When building target libraries, except in a Canadian cross, we use
3444 # the same toolchain as the compiler we just built.
3445 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3446 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3447 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3448 if test $host = $build; then
3449 case " $configdirs " in
3451 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3452 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3453 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3458 AC_SUBST(COMPILER_AS_FOR_TARGET)
3459 AC_SUBST(COMPILER_LD_FOR_TARGET)
3460 AC_SUBST(COMPILER_NM_FOR_TARGET)
3462 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3463 AC_ARG_ENABLE(maintainer-mode,
3464 [AS_HELP_STRING([--enable-maintainer-mode],
3465 [enable make rules and dependencies not useful
3466 (and sometimes confusing) to the casual installer])],
3467 USE_MAINTAINER_MODE=$enableval,
3468 USE_MAINTAINER_MODE=no)
3469 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3470 AC_SUBST(MAINTAINER_MODE_TRUE)
3471 AC_SUBST(MAINTAINER_MODE_FALSE)
3472 if test "$USE_MAINTAINER_MODE" = yes; then
3473 MAINTAINER_MODE_TRUE=
3474 MAINTAINER_MODE_FALSE='#'
3476 MAINTAINER_MODE_TRUE='#'
3477 MAINTAINER_MODE_FALSE=
3479 MAINT=$MAINTAINER_MODE_TRUE
3482 # ---------------------
3483 # GCC bootstrap support
3484 # ---------------------
3486 # Stage specific cflags for build.
3491 yes) stage1_cflags="-g -Wa,-J" ;;
3492 *) stage1_cflags="-g -J" ;;
3496 AC_SUBST(stage1_cflags)
3498 # Enable --enable-checking in stage1 of the compiler.
3499 AC_ARG_ENABLE(stage1-checking,
3500 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3501 [choose additional checking for stage1 of the compiler])],
3502 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3503 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3504 # For --disable-checking or implicit --enable-checking=release, avoid
3505 # setting --enable-checking=gc in the default stage1 checking for LTO
3506 # bootstraps. See PR62077.
3507 case $BUILD_CONFIG in
3509 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3511 stage1_checking=--enable-checking=yes,types;;
3513 if test "x$enable_checking" = x && \
3514 test -d ${srcdir}/gcc && \
3515 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3516 stage1_checking=--enable-checking=yes,types,extra
3519 stage1_checking=--enable-checking=$enable_checking,types
3521 AC_SUBST(stage1_checking)
3523 # Enable -Werror in bootstrap stage2 and later.
3524 AC_ARG_ENABLE(werror,
3525 [AS_HELP_STRING([--enable-werror],
3526 [enable -Werror in bootstrap stage2 and later])],
3528 case ${enable_werror} in
3529 yes) stage2_werror_flag="--enable-werror-always" ;;
3530 *) stage2_werror_flag="" ;;
3534 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3535 case $BUILD_CONFIG in
3537 stage2_werror_flag="--enable-werror-always" ;;
3539 stage2_werror_flag="--enable-werror-always" ;;
3544 AC_SUBST(stage2_werror_flag)
3546 # Specify what files to not compare during bootstrap.
3548 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3550 hppa*64*-*-hpux*) ;;
3551 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3552 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3554 AC_SUBST(compare_exclusions)
3556 AC_CONFIG_FILES([Makefile],
3557 [sed "$extrasub_build" Makefile |
3558 sed "$extrasub_host" |
3559 sed "$extrasub_target" > mf$$
3560 mv -f mf$$ Makefile],
3561 [extrasub_build="$extrasub_build"
3562 extrasub_host="$extrasub_host"
3563 extrasub_target="$extrasub_target"])