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 # 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])
32 m4_include([config/cloog.m4])
34 AC_INIT(move-if-change)
36 AC_DISABLE_OPTION_CHECKING
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
78 program_transform_name=s,y,y,
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
104 if test "${pwd}" = "${srcpwd}" ; then
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
129 build_libs="build-libiberty"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
146 # libgcj represents the runtime libraries only used by gcj.
147 libgcj="target-libffi \
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
153 # Note that libiberty is not a target library.
154 target_libraries="target-libgcc \
155 target-libbacktrace \
162 target-libstdc++-v3 \
163 target-libsanitizer \
174 # these tools are built using the target libraries, and are intended to
175 # run only in the target environment
177 # note: any program that *uses* libraries that are in the "target_libraries"
178 # list belongs in this list.
180 target_tools="target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 m4_divert_text([PARSE_ARGS],
196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198 m4_popdef([AS_MESSAGE_LOG_FD])dnl
201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
204 ################################################################################
206 srcname="gnu development package"
208 # This gets set non-empty for some net releases of packages.
211 # Define is_cross_compiler to save on calls to 'test'.
213 if test x"${host}" = x"${target}" ; then
216 is_cross_compiler=yes
219 # Find the build and target subdir names.
221 # Be sure to cover against remnants of an in-tree build.
222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224 Use a pristine source tree when building in a separate tree])
227 # Skipdirs are removed silently.
229 # Noconfigdirs are removed loudly.
233 # Make sure we don't let GNU ld be added if we didn't want it.
234 if test x$with_gnu_ld = xno ; then
236 noconfigdirs="$noconfigdirs ld gold"
240 # Make sure we don't let GNU as be added if we didn't want it.
241 if test x$with_gnu_as = xno ; then
243 noconfigdirs="$noconfigdirs gas"
247 # Make sure we don't let ZLIB be added if we didn't want it.
248 if test x$with_system_zlib = xyes ; then
250 noconfigdirs="$noconfigdirs zlib"
253 # some tools are so dependent upon X11 that if we're not building with X,
254 # it's not even worth trying to configure, much less build, that tool.
257 yes | "") ;; # the default value for this tree is that X11 is available
259 skipdirs="${skipdirs} tk itcl libgui"
260 # We won't be able to build gdbtk without X.
263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
266 # Some are only suitable for cross toolchains.
267 # Remove these if host=target.
268 cross_only="target-libgloss target-newlib target-opcodes"
270 case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
274 # If both --with-headers and --with-libs are specified, default to
276 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
278 if test x"${with_newlib}" = x ; then
283 # Recognize --with-newlib/--without-newlib.
284 case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
289 # Handle --enable-gold, --enable-ld.
290 # --disable-gold [--enable-ld]
291 # Build only ld. Default option.
292 # --enable-gold [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold", install ld
294 # as "ld.bfd" and "ld".
295 # --enable-gold=default [--enable-ld]
296 # Build both gold and ld. Install gold as "ld.gold" and "ld",
297 # install ld as "ld.bfd".
298 # --enable-gold[=default] --disable-ld
299 # Build only gold, which is then installed as both "ld.gold" and "ld".
300 # --enable-gold --enable-ld=default
301 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
303 # In other words, ld is default
304 # --enable-gold=default --enable-ld=default
309 [AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
311 ENABLE_GOLD=$enableval,
313 case "${ENABLE_GOLD}" in
315 # Check for ELF target.
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
323 *-*-linux*aout* | *-*-linux*oldld*)
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
335 | aarch64*-*-* | tilegx*-*-*)
336 configdirs="$configdirs gold"
337 if test x${ENABLE_GOLD} = xdefault; then
348 AC_MSG_ERROR([invalid --enable-gold argument])
353 [AS_HELP_STRING([[--enable-ld[=ARG]]],
354 [build ld @<:@ARG={default,yes,no}@:>@])],
355 ENABLE_LD=$enableval,
358 case "${ENABLE_LD}" in
360 if test x${default_ld} != x; then
361 AC_MSG_ERROR([either gold or ld can be the default ld])
367 if test x${ENABLE_GOLD} != xyes; then
368 AC_MSG_WARN([neither ld nor gold are enabled])
370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
373 AC_MSG_ERROR([invalid --enable-ld argument])
377 # Configure extra directories which are host specific
381 configdirs="$configdirs libtermcap" ;;
384 # A target can indicate whether a language isn't supported for some reason.
385 # Only spaces may be used in this macro; not newlines or tabs.
386 unsupported_languages=
388 # Remove more programs from consideration, based on the host or
389 # target this usually means that a port of the program doesn't
393 i[[3456789]]86-*-msdosdjgpp*)
394 noconfigdirs="$noconfigdirs tcl tk itcl"
399 AC_ARG_ENABLE(libquadmath,
400 AS_HELP_STRING([--disable-libquadmath],
401 [do not build libquadmath directory]),
402 ENABLE_LIBQUADMATH=$enableval,
403 ENABLE_LIBQUADMATH=yes)
404 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
405 noconfigdirs="$noconfigdirs target-libquadmath"
409 AC_ARG_ENABLE(libquadmath-support,
410 AS_HELP_STRING([--disable-libquadmath-support],
411 [disable libquadmath support for Fortran]),
412 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
413 ENABLE_LIBQUADMATH_SUPPORT=yes)
414 enable_libquadmath_support=
415 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
416 enable_libquadmath_support=no
420 AC_ARG_ENABLE(libada,
421 [AS_HELP_STRING([--enable-libada], [build libada directory])],
422 ENABLE_LIBADA=$enableval,
424 if test "${ENABLE_LIBADA}" != "yes" ; then
425 noconfigdirs="$noconfigdirs gnattools"
428 AC_ARG_ENABLE(libssp,
429 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
430 ENABLE_LIBSSP=$enableval,
433 AC_ARG_ENABLE(libstdcxx,
434 AS_HELP_STRING([--disable-libstdcxx],
435 [do not build libstdc++-v3 directory]),
436 ENABLE_LIBSTDCXX=$enableval,
437 ENABLE_LIBSTDCXX=default)
438 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
439 noconfigdirs="$noconfigdirs libstdc++-v3"
442 # Save it here so that, even in case of --enable-libgcj, if the Java
443 # front-end isn't enabled, we still get libgcj disabled.
445 case $enable_libgcj in
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
453 # Make sure we get it printed in the list of not supported target libs.
454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
456 # Clear libgcj_saved so that even if java is enabled libffi won't be
462 AC_ARG_ENABLE(static-libjava,
463 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
464 [build static libjava @<:@default=no@:>@])],
465 ENABLE_STATIC_LIBJAVA=$enableval,
466 ENABLE_STATIC_LIBJAVA=no)
467 enable_static_libjava=
468 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
469 enable_static_libjava=yes
472 if test x$enable_static_libjava != xyes ; then
473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
475 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
477 # Disable libgomp on non POSIX hosted systems.
478 if test x$enable_libgomp = x ; then
479 # Enable libgomp by default on hosted POSIX systems.
481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
485 *-*-solaris2* | *-*-hpux11*)
487 *-*-darwin* | *-*-aix*)
490 noconfigdirs="$noconfigdirs target-libgomp"
495 # Disable libatomic on unsupported systems.
496 if test -d ${srcdir}/libatomic; then
497 if test x$enable_libatomic = x; then
498 AC_MSG_CHECKING([for libatomic support])
499 if (srcdir=${srcdir}/libatomic; \
500 . ${srcdir}/configure.tgt; \
501 test -n "$UNSUPPORTED")
504 noconfigdirs="$noconfigdirs target-libatomic"
511 # Disable libcilkrts on unsupported systems.
512 if test -d ${srcdir}/libcilkrts; then
513 if test x$enable_libcilkrts = x; then
514 AC_MSG_CHECKING([for libcilkrts support])
515 if (srcdir=${srcdir}/libcilkrts; \
516 . ${srcdir}/configure.tgt; \
517 test -n "$UNSUPPORTED")
520 noconfigdirs="$noconfigdirs target-libcilkrts"
527 # Disable libitm on unsupported systems.
528 if test -d ${srcdir}/libitm; then
529 if test x$enable_libitm = x; then
530 AC_MSG_CHECKING([for libitm support])
531 if (srcdir=${srcdir}/libitm; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
536 noconfigdirs="$noconfigdirs target-libitm"
543 # Disable libsanitizer on unsupported systems.
544 if test -d ${srcdir}/libsanitizer; then
545 if test x$enable_libsanitizer = x; then
546 AC_MSG_CHECKING([for libsanitizer support])
547 if (srcdir=${srcdir}/libsanitizer; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
552 noconfigdirs="$noconfigdirs target-libsanitizer"
559 # Disable libvtv on unsupported systems.
560 if test -d ${srcdir}/libvtv; then
561 if test x$enable_libvtv = x; then
562 AC_MSG_CHECKING([for libvtv support])
563 if (srcdir=${srcdir}/libvtv; \
564 . ${srcdir}/configure.tgt; \
565 test "$VTV_SUPPORTED" != "yes")
568 noconfigdirs="$noconfigdirs target-libvtv"
575 # Disable libquadmath for some systems.
578 noconfigdirs="$noconfigdirs target-libquadmath"
580 # libquadmath is unused on AIX and libquadmath build process use of
581 # LD_LIBRARY_PATH can break AIX bootstrap.
582 powerpc-*-aix* | rs6000-*-aix*)
583 noconfigdirs="$noconfigdirs target-libquadmath"
587 # Disable libssp for some systems.
590 # No hosted I/O support.
591 noconfigdirs="$noconfigdirs target-libssp"
593 powerpc-*-aix* | rs6000-*-aix*)
594 noconfigdirs="$noconfigdirs target-libssp"
597 # libssp uses a misaligned load to trigger a fault, but the RL78
598 # doesn't fault for those - instead, it gives a build-time error
599 # for explicit misaligned loads.
600 noconfigdirs="$noconfigdirs target-libssp"
604 # Disable libstdc++-v3 for some systems.
605 # Allow user to override this if they pass --enable-libstdc++-v3
606 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
609 # VxWorks uses the Dinkumware C++ library.
610 noconfigdirs="$noconfigdirs target-libstdc++-v3"
613 # the C++ libraries don't build on top of CE's C libraries
614 noconfigdirs="$noconfigdirs target-libstdc++-v3"
617 noconfigdirs="$noconfigdirs target-libstdc++-v3"
622 # Disable Fortran for some systems.
625 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
626 unsupported_languages="$unsupported_languages fortran"
630 # Disable Java if libffi is not supported.
662 powerpc-*-aix* | rs6000-*-aix*)
666 powerpc64-*-freebsd*)
670 s390-*-* | s390x-*-*)
672 sh-*-* | sh[[34]]*-*-*)
681 unsupported_languages="$unsupported_languages java"
685 # Disable Java, libgcj or related libraries for some systems.
689 i[[3456789]]86-*-darwin*)
691 x86_64-*-darwin[[912]]*)
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
700 noconfigdirs="$noconfigdirs ${libgcj}"
703 noconfigdirs="$noconfigdirs ${libgcj}"
706 noconfigdirs="$noconfigdirs ${libgcj}"
709 noconfigdirs="$noconfigdirs ${libgcj}"
712 noconfigdirs="$noconfigdirs ${libgcj}"
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj}"
721 noconfigdirs="$noconfigdirs target-boehm-gc"
723 cris-*-* | crisv32-*-*)
724 unsupported_languages="$unsupported_languages java"
728 *) # See PR46792 regarding target-libffi.
729 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
733 # In this case, it's because the hppa64-linux target is for
734 # the kernel only at this point and has no libc, and thus no
735 # headers, crt*.o, etc., all of which are needed by these.
736 unsupported_languages="$unsupported_languages java"
739 noconfigdirs="$noconfigdirs ${libgcj}"
744 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
745 # build on HP-UX 10.20.
746 noconfigdirs="$noconfigdirs ${libgcj}"
749 noconfigdirs="$noconfigdirs ${libgcj}"
751 i[[3456789]]86-w64-mingw*)
752 noconfigdirs="$noconfigdirs ${libgcj}"
754 i[[3456789]]86-*-mingw*)
755 noconfigdirs="$noconfigdirs ${libgcj}"
758 noconfigdirs="$noconfigdirs ${libgcj}"
761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
764 # copied from rs6000-*-* entry
765 noconfigdirs="$noconfigdirs ${libgcj}"
768 noconfigdirs="$noconfigdirs ${libgcj}"
771 noconfigdirs="$noconfigdirs ${libgcj}"
774 noconfigdirs="$noconfigdirs ${libgcj}"
778 # Disable libgo for some systems where it is known to not work.
779 # For testing, you can easily override this with --enable-libgo.
780 if test x$enable_libgo = x; then
784 noconfigdirs="$noconfigdirs target-libgo"
786 *-*-cygwin* | *-*-mingw*)
787 noconfigdirs="$noconfigdirs target-libgo"
790 noconfigdirs="$noconfigdirs target-libgo"
795 # Default libgloss CPU subdirectory.
796 libgloss_dir="$target_cpu"
799 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
808 cris-*-* | crisv32-*-*)
817 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
834 # Disable newlib and libgloss for various target OSes.
837 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
839 i[[3456789]]86-*-linux*)
840 # This section makes it possible to build newlib natively on linux.
841 # If we are using a cross compiler then don't configure newlib.
842 if test x${is_cross_compiler} != xno ; then
843 noconfigdirs="$noconfigdirs target-newlib"
845 noconfigdirs="$noconfigdirs target-libgloss"
846 # If we are not using a cross compiler, do configure newlib.
847 # Note however, that newlib will only be configured in this situation
848 # if the --with-newlib option has been given, because otherwise
849 # 'target-newlib' will appear in skipdirs.
851 i[[3456789]]86-*-rdos*)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
854 sh*-*-pe|mips*-*-pe|arm-wince-pe)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
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"
905 noconfigdirs="$noconfigdirs ld gas gdb gprof"
906 noconfigdirs="$noconfigdirs sim target-rda"
908 i[[3456789]]86-*-darwin*)
909 noconfigdirs="$noconfigdirs ld gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
912 x86_64-*-darwin[[912]]*)
913 noconfigdirs="$noconfigdirs ld gas gprof"
914 noconfigdirs="$noconfigdirs sim target-rda"
917 noconfigdirs="$noconfigdirs ld gas gdb gprof"
918 noconfigdirs="$noconfigdirs sim target-rda"
923 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
924 && test -f /usr/local/include/gmp.h; then
929 # Remove unsupported stuff on all kaOS configurations.
930 noconfigdirs="$noconfigdirs target-libgloss"
937 noconfigdirs="$noconfigdirs target-libgloss"
938 # this is not caught below because this stanza matches earlier
940 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
943 # The tpf target doesn't support gdb yet.
945 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
948 noconfigdirs="$noconfigdirs target-rda"
953 # ld works, but does not support shared libraries.
954 # gas doesn't generate exception information.
955 noconfigdirs="$noconfigdirs gas ld"
958 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
961 # newlib is not 64 bit ready
962 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
964 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
965 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
968 noconfigdirs="$noconfigdirs target-libgloss"
971 noconfigdirs="$noconfigdirs target-libgloss"
974 noconfigdirs="$noconfigdirs ld target-libgloss"
979 if test x${with_avrlibc} != xno; then
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
984 noconfigdirs="$noconfigdirs target-libgloss"
987 noconfigdirs="$noconfigdirs target-libgloss gdb"
990 noconfigdirs="$noconfigdirs target-libgloss"
993 noconfigdirs="$noconfigdirs gdb"
996 noconfigdirs="$noconfigdirs gdb"
999 noconfigdirs="$noconfigdirs target-rda gprof"
1002 noconfigdirs="$noconfigdirs"
1005 noconfigdirs="$noconfigdirs target-libgloss"
1008 noconfigdirs="$noconfigdirs target-libgloss"
1010 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1018 hppa*-*-openbsd* | \
1022 noconfigdirs="$noconfigdirs ld"
1027 noconfigdirs="$noconfigdirs ld"
1030 noconfigdirs="$noconfigdirs gdb"
1033 # No gdb support yet.
1034 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1037 # No ld support yet.
1038 noconfigdirs="$noconfigdirs libgui itcl ld"
1041 # No ld support yet.
1042 noconfigdirs="$noconfigdirs libgui itcl ld"
1044 i[[3456789]]86-w64-mingw*)
1046 i[[3456789]]86-*-mingw*)
1047 target_configdirs="$target_configdirs target-winsup"
1050 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1051 noconfigdirs="$noconfigdirs target-libgloss"
1052 # always build newlib if winsup directory is present.
1053 if test -d "$srcdir/winsup/cygwin"; then
1054 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1055 elif test -d "$srcdir/newlib"; then
1056 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1059 i[[3456789]]86-*-pe)
1060 noconfigdirs="$noconfigdirs target-libgloss"
1062 i[[3456789]]86-*-sco3.2v5*)
1063 # The linker does not yet know about weak symbols in COFF,
1064 # and is not configured to handle mixed ELF and COFF.
1065 noconfigdirs="$noconfigdirs ld target-libgloss"
1067 i[[3456789]]86-*-sco*)
1068 noconfigdirs="$noconfigdirs gprof target-libgloss"
1070 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1071 noconfigdirs="$noconfigdirs target-libgloss"
1073 i[[3456789]]86-*-sysv4*)
1074 noconfigdirs="$noconfigdirs target-libgloss"
1076 i[[3456789]]86-*-beos*)
1077 noconfigdirs="$noconfigdirs gdb"
1079 i[[3456789]]86-*-rdos*)
1080 noconfigdirs="$noconfigdirs gdb"
1083 noconfigdirs="$noconfigdirs gdb"
1086 noconfigdirs="$noconfigdirs sim"
1089 # copied from rs6000-*-* entry
1090 noconfigdirs="$noconfigdirs gprof"
1092 powerpc*-*-winnt* | powerpc*-*-pe*)
1093 target_configdirs="$target_configdirs target-winsup"
1094 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1095 # always build newlib.
1096 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1098 # This is temporary until we can link against shared libraries
1099 powerpcle-*-solaris*)
1100 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1103 noconfigdirs="$noconfigdirs gdb"
1106 noconfigdirs="$noconfigdirs gprof"
1109 noconfigdirs="$noconfigdirs gprof"
1112 noconfigdirs="$noconfigdirs gprof"
1115 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1118 noconfigdirs="$noconfigdirs gprof"
1120 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1121 if test x$with_newlib = xyes; then
1122 noconfigdirs="$noconfigdirs gprof"
1126 noconfigdirs="$noconfigdirs gprof target-libgloss"
1129 noconfigdirs="$noconfigdirs gprof target-libgloss"
1132 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1136 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1137 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1138 noconfigdirs="$noconfigdirs ld gas gprof"
1141 noconfigdirs="$noconfigdirs gprof"
1144 noconfigdirs="$noconfigdirs gdb"
1147 noconfigdirs="$noconfigdirs gdb"
1154 noconfigdirs="$noconfigdirs target-libgloss" ;;
1158 if test x${is_cross_compiler} = xno ; then
1163 noconfigdirs="$noconfigdirs sim"
1165 tilepro*-*-* | tilegx*-*-*)
1166 noconfigdirs="$noconfigdirs sim"
1169 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1172 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1176 # If we aren't building newlib, then don't build libgloss, since libgloss
1177 # depends upon some newlib header files.
1178 case "${noconfigdirs}" in
1179 *target-libgloss*) ;;
1180 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1183 # Work in distributions that contain no compiler tools, like Autoconf.
1184 host_makefile_frag=/dev/null
1185 if test -d ${srcdir}/config ; then
1187 i[[3456789]]86-*-msdosdjgpp*)
1188 host_makefile_frag="config/mh-djgpp"
1191 ACX_CHECK_CYGWIN_CAT_WORKS
1192 host_makefile_frag="config/mh-cygwin"
1195 host_makefile_frag="config/mh-mingw"
1198 host_makefile_frag="config/mh-pa-hpux10"
1201 host_makefile_frag="config/mh-pa"
1204 host_makefile_frag="config/mh-pa"
1207 host_makefile_frag="config/mh-darwin"
1210 host_makefile_frag="config/mh-ppc-aix"
1213 host_makefile_frag="config/mh-ppc-aix"
1218 if test "${build}" != "${host}" ; then
1219 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1220 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1221 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1222 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1223 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1224 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1225 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1226 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1227 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1228 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1229 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1230 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1231 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1233 AR_FOR_BUILD="\$(AR)"
1234 AS_FOR_BUILD="\$(AS)"
1235 CC_FOR_BUILD="\$(CC)"
1236 CXX_FOR_BUILD="\$(CXX)"
1237 GCJ_FOR_BUILD="\$(GCJ)"
1238 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1239 GOC_FOR_BUILD="\$(GOC)"
1240 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1241 LD_FOR_BUILD="\$(LD)"
1242 NM_FOR_BUILD="\$(NM)"
1243 RANLIB_FOR_BUILD="\$(RANLIB)"
1244 WINDRES_FOR_BUILD="\$(WINDRES)"
1245 WINDMC_FOR_BUILD="\$(WINDMC)"
1251 # We must set the default linker to the linker used by gcc for the correct
1252 # operation of libtool. If LD is not defined and we are using gcc, try to
1253 # set the LD default to the ld used by gcc.
1254 if test -z "$LD"; then
1255 if test "$GCC" = yes; then
1258 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1260 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1262 case $gcc_prog_ld in
1263 # Accept absolute paths.
1264 [[\\/]* | [A-Za-z]:[\\/]*)]
1265 LD="$gcc_prog_ld" ;;
1270 # Check whether -static-libstdc++ -static-libgcc is supported.
1272 if test "$GCC" = yes; then
1273 saved_LDFLAGS="$LDFLAGS"
1275 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1276 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1279 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1280 #error -static-libstdc++ not implemented
1283 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1284 [AC_MSG_RESULT([no])])
1287 LDFLAGS="$saved_LDFLAGS"
1291 ACX_PROG_CMP_IGNORE_INITIAL
1293 AC_ARG_ENABLE([bootstrap],
1294 [AS_HELP_STRING([--enable-bootstrap],
1295 [enable bootstrapping @<:@yes if native build@:>@])],,
1296 enable_bootstrap=default)
1298 # Issue errors and warnings for invalid/strange bootstrap combinations.
1299 if test -r $srcdir/gcc/configure; then
1305 case "$have_compiler:$host:$target:$enable_bootstrap" in
1308 # Default behavior. Enable bootstrap if we have a compiler
1309 # and we are in a native configuration.
1310 yes:$build:$build:default)
1311 enable_bootstrap=yes ;;
1314 enable_bootstrap=no ;;
1316 # We have a compiler and we are in a native configuration, bootstrap is ok
1317 yes:$build:$build:yes)
1320 # Other configurations, but we have a compiler. Assume the user knows
1323 AC_MSG_WARN([trying to bootstrap a cross compiler])
1326 # No compiler: if they passed --enable-bootstrap explicitly, fail
1328 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1330 # Fail if wrong command line
1332 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1336 # Used for setting $lt_cv_objdir
1339 # Check for GMP, MPFR and MPC
1340 gmplibs="-lmpc -lmpfr -lgmp"
1344 # Specify a location for mpc
1345 # check for this first so it ends up on the link line before mpfr.
1347 [AS_HELP_STRING([--with-mpc=PATH],
1348 [specify prefix directory for installed MPC package.
1349 Equivalent to --with-mpc-include=PATH/include
1350 plus --with-mpc-lib=PATH/lib])])
1351 AC_ARG_WITH(mpc-include,
1352 [AS_HELP_STRING([--with-mpc-include=PATH],
1353 [specify directory for installed MPC include files])])
1354 AC_ARG_WITH(mpc-lib,
1355 [AS_HELP_STRING([--with-mpc-lib=PATH],
1356 [specify directory for the installed MPC library])])
1358 if test "x$with_mpc" != x; then
1359 gmplibs="-L$with_mpc/lib $gmplibs"
1360 gmpinc="-I$with_mpc/include $gmpinc"
1362 if test "x$with_mpc_include" != x; then
1363 gmpinc="-I$with_mpc_include $gmpinc"
1365 if test "x$with_mpc_lib" != x; then
1366 gmplibs="-L$with_mpc_lib $gmplibs"
1368 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1369 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1370 gmpinc='-I$$s/mpc/src '"$gmpinc"
1371 # Do not test the mpc version. Assume that it is sufficient, since
1372 # it is in the source tree, and the library has not been built yet
1373 # but it would be included on the link line in the version check below
1374 # hence making the test fail.
1378 # Specify a location for mpfr
1379 # check for this first so it ends up on the link line before gmp.
1380 AC_ARG_WITH(mpfr-dir,
1381 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1382 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1383 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1386 [AS_HELP_STRING([--with-mpfr=PATH],
1387 [specify prefix directory for installed MPFR package.
1388 Equivalent to --with-mpfr-include=PATH/include
1389 plus --with-mpfr-lib=PATH/lib])])
1390 AC_ARG_WITH(mpfr-include,
1391 [AS_HELP_STRING([--with-mpfr-include=PATH],
1392 [specify directory for installed MPFR include files])])
1393 AC_ARG_WITH(mpfr-lib,
1394 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1395 [specify directory for the installed MPFR library])])
1397 if test "x$with_mpfr" != x; then
1398 gmplibs="-L$with_mpfr/lib $gmplibs"
1399 gmpinc="-I$with_mpfr/include $gmpinc"
1401 if test "x$with_mpfr_include" != x; then
1402 gmpinc="-I$with_mpfr_include $gmpinc"
1404 if test "x$with_mpfr_lib" != x; then
1405 gmplibs="-L$with_mpfr_lib $gmplibs"
1407 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1408 # MPFR v3.1.0 moved the sources into a src sub-directory.
1409 if test -d ${srcdir}/mpfr/src; then
1410 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1411 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1412 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1414 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1415 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1416 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1418 # Do not test the mpfr version. Assume that it is sufficient, since
1419 # it is in the source tree, and the library has not been built yet
1420 # but it would be included on the link line in the version check below
1421 # hence making the test fail.
1425 # Specify a location for gmp
1426 AC_ARG_WITH(gmp-dir,
1427 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1428 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1429 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1432 [AS_HELP_STRING([--with-gmp=PATH],
1433 [specify prefix directory for the installed GMP package.
1434 Equivalent to --with-gmp-include=PATH/include
1435 plus --with-gmp-lib=PATH/lib])])
1436 AC_ARG_WITH(gmp-include,
1437 [AS_HELP_STRING([--with-gmp-include=PATH],
1438 [specify directory for installed GMP include files])])
1439 AC_ARG_WITH(gmp-lib,
1440 [AS_HELP_STRING([--with-gmp-lib=PATH],
1441 [specify directory for the installed GMP library])])
1444 if test "x$with_gmp" != x; then
1445 gmplibs="-L$with_gmp/lib $gmplibs"
1446 gmpinc="-I$with_gmp/include $gmpinc"
1448 if test "x$with_gmp_include" != x; then
1449 gmpinc="-I$with_gmp_include $gmpinc"
1451 if test "x$with_gmp_lib" != x; then
1452 gmplibs="-L$with_gmp_lib $gmplibs"
1454 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1455 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1456 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1457 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1458 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1459 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1460 # Do not test the gmp version. Assume that it is sufficient, since
1461 # it is in the source tree, and the library has not been built yet
1462 # but it would be included on the link line in the version check below
1463 # hence making the test fail.
1467 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1469 saved_CFLAGS="$CFLAGS"
1470 CFLAGS="$CFLAGS $gmpinc"
1471 # Check for the recommended and required versions of GMP.
1472 AC_MSG_CHECKING([for the correct version of gmp.h])
1473 AC_TRY_COMPILE([#include "gmp.h"],[
1474 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1475 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1476 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1479 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1480 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1481 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1482 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1486 [AC_MSG_RESULT([no]); have_gmp=no])
1488 # If we have GMP, check the MPFR version.
1489 if test x"$have_gmp" = xyes; then
1490 # Check for the recommended and required versions of MPFR.
1491 AC_MSG_CHECKING([for the correct version of mpfr.h])
1492 AC_TRY_COMPILE([#include <gmp.h>
1493 #include <mpfr.h>],[
1494 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1497 ], [AC_TRY_COMPILE([#include <gmp.h>
1498 #include <mpfr.h>],[
1499 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1502 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1503 [AC_MSG_RESULT([no]); have_gmp=no])
1506 # Check for the MPC header version.
1507 if test x"$have_gmp" = xyes ; then
1508 # Check for the recommended and required versions of MPC.
1509 AC_MSG_CHECKING([for the correct version of mpc.h])
1510 AC_TRY_COMPILE([#include <mpc.h>],[
1511 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1514 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1515 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1518 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1519 [AC_MSG_RESULT([no]); have_gmp=no])
1522 # Now check the MPFR library.
1523 if test x"$have_gmp" = xyes; then
1525 LIBS="$LIBS $gmplibs"
1526 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1527 AC_TRY_LINK([#include <mpc.h>],[
1534 mpfr_atan2 (n, n, x, GMP_RNDN);
1535 mpfr_erfc (n, x, GMP_RNDN);
1536 mpfr_subnormalize (x, t, GMP_RNDN);
1540 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1541 mpc_cosh (c, c, MPC_RNDNN);
1542 mpc_pow (c, c, c, MPC_RNDNN);
1543 mpc_acosh (c, c, MPC_RNDNN);
1545 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1549 CFLAGS="$saved_CFLAGS"
1551 # The library versions listed in the error message below should match
1552 # the HARD-minimums enforced above.
1553 if test x$have_gmp != xyes; then
1554 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1555 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1556 their locations. Source code for these libraries can be found at
1557 their respective hosting sites as well as at
1558 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1559 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1560 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1561 make sure that you have installed both the libraries and the header
1562 files. They may be located in separate packages.])
1566 # Flags needed for both GMP, MPFR and/or MPC.
1569 AC_SUBST(extra_mpfr_configure_flags)
1570 AC_SUBST(extra_mpc_gmp_configure_flags)
1571 AC_SUBST(extra_mpc_mpfr_configure_flags)
1572 AC_SUBST(extra_isl_gmp_configure_flags)
1574 # Allow host libstdc++ to be specified for static linking with PPL.
1575 AC_ARG_WITH(host-libstdcxx,
1576 [AS_HELP_STRING([--with-host-libstdcxx=L],
1577 [use linker arguments L to link with libstdc++
1578 when linking with PPL])])
1580 case $with_host_libstdcxx in
1582 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1586 # Libraries to use for stage1 or when not bootstrapping.
1587 AC_ARG_WITH(stage1-libs,
1588 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1589 [if test "$withval" = "no" -o "$withval" = "yes"; then
1592 stage1_libs=$withval
1594 [stage1_libs=$with_host_libstdcxx])
1595 AC_SUBST(stage1_libs)
1597 # Linker flags to use for stage1 or when not bootstrapping.
1598 AC_ARG_WITH(stage1-ldflags,
1599 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1600 [if test "$withval" = "no" -o "$withval" = "yes"; then
1603 stage1_ldflags=$withval
1606 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1607 # if supported. But if the user explicitly specified the libraries to use,
1608 # trust that they are doing what they want.
1609 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1610 stage1_ldflags="-static-libstdc++ -static-libgcc"
1612 AC_SUBST(stage1_ldflags)
1614 # Libraries to use for stage2 and later builds. This defaults to the
1615 # argument passed to --with-host-libstdcxx.
1616 AC_ARG_WITH(boot-libs,
1617 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1618 [if test "$withval" = "no" -o "$withval" = "yes"; then
1621 poststage1_libs=$withval
1623 [poststage1_libs=$with_host_libstdcxx])
1624 AC_SUBST(poststage1_libs)
1626 # Linker flags to use for stage2 and later builds.
1627 AC_ARG_WITH(boot-ldflags,
1628 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1629 [linker flags for stage2 and later])],
1630 [if test "$withval" = "no" -o "$withval" = "yes"; then
1633 poststage1_ldflags=$withval
1635 [poststage1_ldflags=
1636 # In stages 2 and 3, default to linking libstdc++ and libgcc
1637 # statically. But if the user explicitly specified the libraries to
1638 # use, trust that they are doing what they want.
1639 if test "$poststage1_libs" = ""; then
1640 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1642 AC_SUBST(poststage1_ldflags)
1644 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1645 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1650 [--with-cloog=PATH],
1651 [Specify prefix directory for the installed CLooG-ISL package.
1652 Equivalent to --with-cloog-include=PATH/include
1653 plus --with-cloog-lib=PATH/lib])])
1657 [Specify prefix directory for the installed ISL package.
1658 Equivalent to --with-isl-include=PATH/include
1659 plus --with-isl-lib=PATH/lib])])
1661 # Treat either --without-cloog or --without-isl as a request to disable
1662 # GRAPHITE support and skip all following checks.
1663 if test "x$with_isl" != "xno" &&
1664 test "x$with_cloog" != "xno"; then
1666 dnl Provide configure switches and initialize islinc & isllibs
1667 dnl with user input.
1669 dnl The versions of ISL that work for Graphite
1670 ISL_CHECK_VERSION(0,10)
1671 if test "${gcc_cv_isl}" = no ; then
1672 ISL_CHECK_VERSION(0,11)
1673 if test "${gcc_cv_isl}" = no ; then
1674 ISL_CHECK_VERSION(0,12)
1677 dnl Only execute fail-action, if ISL has been requested.
1679 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1681 if test "x$gcc_cv_isl" != "xno"; then
1683 dnl Provide configure switches and initialize clooginc & clooglibs
1684 dnl with user input.
1686 dnl The versions of CLooG that work for Graphite.
1687 CLOOG_CHECK_VERSION(0,17,0)
1688 if test "${gcc_cv_cloog}" = no ; then
1689 CLOOG_CHECK_VERSION(0,18,0)
1692 dnl Only execute fail-action, if CLooG has been requested.
1694 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1698 # If either the ISL or the CLooG check failed, disable builds of in-tree
1700 if test "x$with_isl" = xno ||
1701 test "x$with_cloog" = xno ||
1702 test "x$gcc_cv_cloog" = xno ||
1703 test "x$gcc_cv_isl" = xno; then
1704 noconfigdirs="$noconfigdirs cloog isl"
1715 # Check for LTO support.
1717 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1718 enable_lto=$enableval,
1719 enable_lto=yes; default_enable_lto=yes)
1721 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1722 build_lto_plugin=yes
1723 ],[if test x"$default_enable_lto" = x"yes" ; then
1725 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1726 # On other non-ELF platforms, LTO has yet to be validated.
1730 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1731 # It would also be nice to check the binutils support, but we don't
1732 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1733 # warn during gcc/ subconfigure; unless you're bootstrapping with
1734 # -flto it won't be needed until after installation anyway.
1736 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1737 *) if test x"$enable_lto" = x"yes"; then
1738 AC_MSG_ERROR([LTO support is not enabled for this target.])
1743 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1744 # Build it unless LTO was explicitly disabled.
1746 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1752 # By default, C and C++ are the only stage 1 languages.
1753 stage1_languages=,c,
1755 # Target libraries that we bootstrap.
1756 bootstrap_target_libs=,target-libgcc,
1758 # Figure out what language subdirectories are present.
1759 # Look if the user specified --enable-languages="..."; if not, use
1760 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1762 # NB: embedded tabs in this IF block -- do not untabify
1763 if test -d ${srcdir}/gcc; then
1764 if test x"${enable_languages+set}" != xset; then
1765 if test x"${LANGUAGES+set}" = xset; then
1766 enable_languages="${LANGUAGES}"
1767 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1769 enable_languages=all
1772 if test x"${enable_languages}" = x ||
1773 test x"${enable_languages}" = xyes;
1775 echo configure.in: --enable-languages needs at least one language argument 1>&2
1779 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1781 # 'f95' is the old name for the 'fortran' language. We issue a warning
1782 # and make the substitution.
1783 case ,${enable_languages}, in
1785 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1786 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1790 # If bootstrapping, C++ must be enabled.
1791 case ",$enable_languages,:$enable_bootstrap" in
1794 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1795 enable_languages="${enable_languages},c++"
1797 AC_MSG_ERROR([bootstrapping requires c++ sources])
1802 # First scan to see if an enabled language requires some other language.
1803 # We assume that a given config-lang.in will list all the language
1804 # front ends it requires, even if some are required indirectly.
1805 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1806 case ${lang_frag} in
1808 # The odd quoting in the next line works around
1809 # an apparent bug in bash 1.12 on linux.
1810 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1812 # From the config-lang.in, get $language, $lang_requires, and
1813 # $lang_requires_boot_languages.
1816 lang_requires_boot_languages=
1818 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1819 case ,${enable_languages}, in
1823 echo " \`$other' language required by \`$language'; enabling" 1>&2
1824 enable_languages="${enable_languages},${other}"
1828 for other in ${lang_requires_boot_languages} ; do
1829 if test "$other" != "c"; then
1830 case ,${enable_stage1_languages}, in
1834 case ,${enable_languages}, in
1836 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1837 enable_stage1_languages="$enable_stage1_languages,${other}"
1848 new_enable_languages=,c,
1850 # If LTO is enabled, add the LTO front end.
1851 extra_host_libiberty_configure_flags=
1852 if test "$enable_lto" = "yes" ; then
1853 case ,${enable_languages}, in
1855 *) enable_languages="${enable_languages},lto" ;;
1857 if test "${build_lto_plugin}" = "yes" ; then
1858 configdirs="$configdirs lto-plugin"
1859 extra_host_libiberty_configure_flags=--enable-shared
1862 AC_SUBST(extra_host_libiberty_configure_flags)
1864 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1865 potential_languages=,c,
1867 enabled_target_libs=
1868 disabled_target_libs=
1870 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1871 case ${lang_frag} in
1873 # The odd quoting in the next line works around
1874 # an apparent bug in bash 1.12 on linux.
1875 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1877 # From the config-lang.in, get $language, $target_libs,
1878 # $lang_dirs, $boot_language, and $build_by_default
1884 build_by_default=yes
1886 if test x${language} = x; then
1887 echo "${lang_frag} doesn't set \$language." 1>&2
1891 if test "$language" = "c++"; then
1896 case ,${enable_languages}, in
1898 # Language was explicitly selected; include it
1899 # unless it is C, which is enabled by default.
1900 if test "$language" != "c"; then
1905 # 'all' was selected, select it if it is a default language
1906 if test "$language" != "c"; then
1907 add_this_lang=${build_by_default}
1912 # Disable languages that need other directories if these aren't available.
1913 for i in $subdir_requires; do
1914 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1915 case ,${enable_languages}, in
1917 # Specifically requested language; tell them.
1918 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1922 add_this_lang=unsupported
1927 # Disable Ada if no preexisting GNAT is available.
1928 case ,${enable_languages},:${language}:${have_gnat} in
1929 *,${language},*:ada:no)
1930 # Specifically requested language; tell them.
1931 AC_MSG_ERROR([GNAT is required to build $language])
1935 add_this_lang=unsupported
1939 # Disable a language that is unsupported by the target.
1940 case " $unsupported_languages " in
1942 add_this_lang=unsupported
1946 case $add_this_lang in
1948 # Remove language-dependent dirs.
1949 disabled_target_libs="$disabled_target_libs $target_libs"
1950 noconfigdirs="$noconfigdirs $lang_dirs"
1953 # Remove language-dependent dirs; still show language as supported.
1954 disabled_target_libs="$disabled_target_libs $target_libs"
1955 noconfigdirs="$noconfigdirs $lang_dirs"
1956 potential_languages="${potential_languages}${language},"
1959 new_enable_languages="${new_enable_languages}${language},"
1960 potential_languages="${potential_languages}${language},"
1961 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1962 enabled_target_libs="$enabled_target_libs $target_libs"
1963 case "${boot_language}:,$enable_stage1_languages," in
1964 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1965 # Add to (comma-separated) list of stage 1 languages.
1966 case ",$stage1_languages," in
1967 *,$language,* | ,yes, | ,all,) ;;
1968 *) stage1_languages="${stage1_languages}${language}," ;;
1970 # We need to bootstrap any supporting libraries.
1971 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1980 # Add target libraries which are only needed for disabled languages
1982 if test -n "$disabled_target_libs"; then
1983 for dir in $disabled_target_libs; do
1984 case " $enabled_target_libs " in
1986 *) noconfigdirs="$noconfigdirs $dir" ;;
1991 AC_ARG_ENABLE(stage1-languages,
1992 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1993 [choose additional languages to build during
1994 stage1. Mostly useful for compiler development])],
1995 [case ,${enable_stage1_languages}, in
1997 # Set it to something that will have no effect in the loop below
1998 enable_stage1_languages=c ;;
2000 enable_stage1_languages=`echo $new_enable_languages | \
2001 sed -e "s/^,//" -e "s/,$//" ` ;;
2003 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2004 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2007 # Add "good" languages from enable_stage1_languages to stage1_languages,
2008 # while "bad" languages go in missing_languages. Leave no duplicates.
2009 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2010 case $potential_languages in
2012 case $stage1_languages in
2014 *) stage1_languages="$stage1_languages$i," ;;
2017 case $missing_languages in
2019 *) missing_languages="$missing_languages$i," ;;
2024 # Remove leading/trailing commas that were added for simplicity
2025 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2026 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2027 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2028 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2030 if test "x$missing_languages" != x; then
2032 The following requested languages could not be built: ${missing_languages}
2033 Supported languages are: ${potential_languages}])
2035 if test "x$new_enable_languages" != "x$enable_languages"; then
2036 echo The following languages will be built: ${new_enable_languages}
2037 enable_languages="$new_enable_languages"
2040 AC_SUBST(stage1_languages)
2041 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2044 # Handle --disable-<component> generically.
2045 for dir in $configdirs $build_configdirs $target_configdirs ; do
2046 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2047 varname=`echo $dirname | sed -e s/+/_/g`
2048 if eval test x\${enable_${varname}} "=" xno ; then
2049 noconfigdirs="$noconfigdirs $dir"
2053 # Check for Boehm's garbage collector
2054 AC_ARG_ENABLE(objc-gc,
2055 [AS_HELP_STRING([--enable-objc-gc],
2056 [enable use of Boehm's garbage collector with the
2057 GNU Objective-C runtime])],
2058 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2059 *,objc,*:*:yes:*target-boehm-gc*)
2060 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2064 # Make sure we only build Boehm's garbage collector if required.
2065 case ,${enable_languages},:${enable_objc_gc} in
2067 # Keep target-boehm-gc if requested for Objective-C.
2070 # Otherwise remove target-boehm-gc depending on target-libjava.
2071 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2072 noconfigdirs="$noconfigdirs target-boehm-gc"
2077 # Disable libitm, libsanitizer, libvtv if we're not building C++
2078 case ,${enable_languages}, in
2081 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
2085 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2086 # $build_configdirs and $target_configdirs.
2087 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2090 for dir in . $skipdirs $noconfigdirs ; do
2091 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2092 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2093 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2094 if test -r $srcdir/$dirname/configure ; then
2095 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2098 notsupp="$notsupp $dir"
2102 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2103 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2104 if test -r $srcdir/$dirname/configure ; then
2105 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2108 notsupp="$notsupp $dir"
2112 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2113 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2114 if test -r $srcdir/$dirname/configure ; then
2115 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2118 notsupp="$notsupp $dir"
2124 # Quietly strip out all directories which aren't configurable in this tree.
2125 # This relies on all configurable subdirectories being autoconfiscated, which
2127 build_configdirs_all="$build_configdirs"
2129 for i in ${build_configdirs_all} ; do
2130 j=`echo $i | sed -e s/build-//g`
2131 if test -f ${srcdir}/$j/configure ; then
2132 build_configdirs="${build_configdirs} $i"
2136 configdirs_all="$configdirs"
2138 for i in ${configdirs_all} ; do
2139 if test -f ${srcdir}/$i/configure ; then
2140 configdirs="${configdirs} $i"
2144 target_configdirs_all="$target_configdirs"
2146 for i in ${target_configdirs_all} ; do
2147 j=`echo $i | sed -e s/target-//g`
2148 if test -f ${srcdir}/$j/configure ; then
2149 target_configdirs="${target_configdirs} $i"
2153 # Produce a warning message for the subdirs we can't configure.
2154 # This isn't especially interesting in the Cygnus tree, but in the individual
2155 # FSF releases, it's important to let people know when their machine isn't
2156 # supported by the one or two programs in a package.
2158 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2159 # If $appdirs is non-empty, at least one of those directories must still
2160 # be configured, or we error out. (E.g., if the gas release supports a
2161 # specified target in some subdirs but not the gas subdir, we shouldn't
2162 # pretend that all is well.)
2163 if test -n "$appdirs" ; then
2164 for dir in $appdirs ; do
2165 if test -r $dir/Makefile.in ; then
2166 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2170 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2176 if test -n "$appdirs" ; then
2177 echo "*** This configuration is not supported by this package." 1>&2
2181 # Okay, some application will build, or we don't care to check. Still
2182 # notify of subdirs not getting built.
2183 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2184 echo " ${notsupp}" 1>&2
2185 echo " (Any other directories should still work fine.)" 1>&2
2193 # To find our prefix, in gcc_cv_tool_prefix.
2198 AC_ARG_WITH([build-sysroot],
2199 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2200 [use sysroot as the system root during the build])],
2201 [if test x"$withval" != x ; then
2202 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2204 [SYSROOT_CFLAGS_FOR_TARGET=])
2205 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2207 AC_ARG_WITH([debug-prefix-map],
2208 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2209 [map A to B, C to D ... in debug information])],
2210 [if test x"$withval" != x; then
2211 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2212 for debug_map in $withval; do
2213 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2216 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2217 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2219 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2220 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2221 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2222 # We want to ensure that TARGET libraries (which we know are built with
2223 # gcc) are built with "-O2 -g", so include those options when setting
2224 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2225 if test "x$CFLAGS_FOR_TARGET" = x; then
2226 CFLAGS_FOR_TARGET=$CFLAGS
2229 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2232 *" -g "* | *" -g3 "*) ;;
2233 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2236 AC_SUBST(CFLAGS_FOR_TARGET)
2238 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2239 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2240 case " $CXXFLAGS " in
2242 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2244 case " $CXXFLAGS " in
2245 *" -g "* | *" -g3 "*) ;;
2246 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2249 AC_SUBST(CXXFLAGS_FOR_TARGET)
2251 AC_SUBST(LDFLAGS_FOR_TARGET)
2253 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2254 # the named directory are copied to $(tooldir)/sys-include.
2255 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2256 if test x${is_cross_compiler} = xno ; then
2257 echo 1>&2 '***' --with-headers is only supported when cross compiling
2260 if test x"${with_headers}" != xyes ; then
2261 x=${gcc_cv_tool_prefix}
2262 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2266 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2267 # the name directories are copied to $(tooldir)/lib. Multiple directories
2269 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2270 if test x${is_cross_compiler} = xno ; then
2271 echo 1>&2 '***' --with-libs is only supported when cross compiling
2274 if test x"${with_libs}" != xyes ; then
2275 # Copy the libraries in reverse order, so that files in the first named
2276 # library override files in subsequent libraries.
2277 x=${gcc_cv_tool_prefix}
2278 for l in ${with_libs}; do
2279 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2284 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2286 # This is done by determining whether or not the appropriate directory
2287 # is available, and by checking whether or not specific configurations
2288 # have requested that this magic not happen.
2290 # The command line options always override the explicit settings in
2291 # configure.in, and the settings in configure.in override this magic.
2293 # If the default for a toolchain is to use GNU as and ld, and you don't
2294 # want to do that, then you should use the --without-gnu-as and
2295 # --without-gnu-ld options for the configure script. Similarly, if
2296 # the default is to use the included zlib and you don't want to do that,
2297 # you should use the --with-system-zlib option for the configure script.
2299 if test x${use_gnu_as} = x &&
2300 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2302 extra_host_args="$extra_host_args --with-gnu-as"
2305 if test x${use_gnu_ld} = x &&
2306 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2308 extra_host_args="$extra_host_args --with-gnu-ld"
2311 if test x${use_included_zlib} = x &&
2312 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2315 with_system_zlib=yes
2316 extra_host_args="$extra_host_args --with-system-zlib"
2319 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2320 # can detect this case.
2322 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2324 extra_host_args="$extra_host_args --with-newlib"
2327 # Handle ${copy_dirs}
2328 set fnord ${copy_dirs}
2330 while test $# != 0 ; do
2331 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2334 echo Copying $1 to $2
2336 # Use the install script to create the directory and all required
2337 # parent directories.
2338 if test -d $2 ; then
2342 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2345 # Copy the directory, assuming we have tar.
2346 # FIXME: Should we use B in the second tar? Not all systems support it.
2347 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2349 # It is the responsibility of the user to correctly adjust all
2350 # symlinks. If somebody can figure out how to handle them correctly
2351 # here, feel free to add the code.
2358 # Determine a target-dependent exec_prefix that the installed
2359 # gcc will search in. Keep this list sorted by triplet, with
2360 # the *-*-osname triplets last.
2363 i[[34567]]86-pc-msdosdjgpp*)
2364 md_exec_prefix=/dev/env/DJDIR/bin
2369 md_exec_prefix=/usr/ccs/bin
2373 extra_arflags_for_target=
2374 extra_nmflags_for_target=
2375 extra_ranlibflags_for_target=
2376 target_makefile_frag=/dev/null
2379 target_makefile_frag="config/mt-spu"
2381 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2382 target_makefile_frag="config/mt-sde"
2384 mipsisa*-*-elfoabi*)
2385 target_makefile_frag="config/mt-mips-elfoabi"
2387 mips*-*-*linux* | mips*-*-gnu*)
2388 target_makefile_frag="config/mt-mips-gnu"
2391 target_makefile_frag="config/mt-nios2-elf"
2393 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2394 target_makefile_frag="config/mt-gnu"
2396 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2397 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2398 # commands to handle both 32-bit and 64-bit objects. These flags are
2399 # harmless if we're using GNU nm or ar.
2400 extra_arflags_for_target=" -X32_64"
2401 extra_nmflags_for_target=" -B -X32_64"
2405 alphaieee_frag=/dev/null
2408 # This just makes sure to use the -mieee option to build target libs.
2409 # This should probably be set individually by each library.
2410 alphaieee_frag="config/mt-alphaieee"
2414 # If --enable-target-optspace always use -Os instead of -O2 to build
2415 # the target libraries, similarly if it is not specified, use -Os
2416 # on selected platforms.
2417 ospace_frag=/dev/null
2418 case "${enable_target_optspace}:${target}" in
2420 ospace_frag="config/mt-ospace"
2423 ospace_frag="config/mt-d30v"
2425 :m32r-* | :d10v-* | :fr30-*)
2426 ospace_frag="config/mt-ospace"
2431 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2435 # Some systems (e.g., one of the i386-aix systems the gas testers are
2436 # using) don't handle "\$" correctly, so don't use it here.
2437 tooldir='${exec_prefix}'/${target_noncanonical}
2438 build_tooldir=${tooldir}
2440 # Create a .gdbinit file which runs the one in srcdir
2441 # and tells GDB to look there for source files.
2443 if test -r ${srcdir}/.gdbinit ; then
2446 *) cat > ./.gdbinit <<EOF
2450 source ${srcdir}/.gdbinit
2456 # Make sure that the compiler is able to generate an executable. If it
2457 # can't, we are probably in trouble. We don't care whether we can run the
2458 # executable--we might be using a cross compiler--we only care whether it
2459 # can be created. At this point the main configure script has set CC.
2461 echo "int main () { return 0; }" > conftest.c
2462 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2463 if test $? = 0 ; then
2464 if test -s conftest || test -s conftest.exe ; then
2470 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2471 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2478 # Decide which environment variable is used to find dynamic libraries.
2480 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2481 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2482 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2483 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2486 # On systems where the dynamic library environment variable is PATH,
2487 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2488 # built executables to PATH.
2489 if test "$RPATH_ENVVAR" = PATH; then
2490 GCC_SHLIB_SUBDIR=/shlib
2495 # Adjust the toplevel makefile according to whether bootstrap was selected.
2496 case $enable_bootstrap in
2498 bootstrap_suffix=bootstrap
2499 BUILD_CONFIG=bootstrap-debug
2502 bootstrap_suffix=no-bootstrap
2507 AC_MSG_CHECKING(for default BUILD_CONFIG)
2509 AC_ARG_WITH([build-config],
2510 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2511 [use config/NAME.mk build configuration])],
2512 [case $with_build_config in
2513 yes) with_build_config= ;;
2514 no) with_build_config= BUILD_CONFIG= ;;
2517 if test "x${with_build_config}" != x; then
2518 BUILD_CONFIG=$with_build_config
2520 case $BUILD_CONFIG in
2522 if echo "int f (void) { return 0; }" > conftest.c &&
2523 ${CC} -c conftest.c &&
2524 mv conftest.o conftest.o.g0 &&
2525 ${CC} -c -g conftest.c &&
2526 mv conftest.o conftest.o.g &&
2527 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2532 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2536 AC_MSG_RESULT($BUILD_CONFIG)
2537 AC_SUBST(BUILD_CONFIG)
2539 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2540 AC_MSG_CHECKING([for --enable-vtable-verify])
2541 AC_ARG_ENABLE(vtable-verify,
2542 [ --enable-vtable-verify Enable vtable verification feature ],
2543 [case "$enableval" in
2544 yes) enable_vtable_verify=yes ;;
2545 no) enable_vtable_verify=no ;;
2546 *) enable_vtable_verify=no;;
2548 [enable_vtable_verify=no])
2549 AC_MSG_RESULT($enable_vtable_verify)
2551 # Record target_configdirs and the configure arguments for target and
2552 # build configuration in Makefile.
2553 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2554 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2555 bootstrap_fixincludes=no
2557 # If we are building libgomp, bootstrap it.
2558 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2559 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2562 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2563 # or bootstrap-ubsan, bootstrap it.
2564 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2565 case "$BUILD_CONFIG" in
2566 *bootstrap-asan* | *bootstrap-ubsan* )
2567 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2568 bootstrap_fixincludes=yes
2573 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2574 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2575 test "$enable_vtable_verify" != no; then
2576 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2579 # Determine whether gdb needs tk/tcl or not.
2580 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2581 # and in that case we want gdb to be built without tk. Ugh!
2582 # In fact I believe gdb is the *only* package directly dependent on tk,
2583 # so we should be able to put the 'maybe's in unconditionally and
2584 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2585 # 100% sure that that's safe though.
2587 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2588 case "$enable_gdbtk" in
2592 GDB_TK="${gdb_tk}" ;;
2594 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2595 # distro. Eventually someone will fix this and move Insight, nee
2596 # gdbtk to a separate directory.
2597 if test -d ${srcdir}/gdb/gdbtk ; then
2604 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2605 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2607 # Strip out unwanted targets.
2609 # While at that, we remove Makefiles if we were started for recursive
2610 # configuration, so that the top-level Makefile reconfigures them,
2611 # like we used to do when configure itself was recursive.
2613 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2614 # but now we're fixing up the Makefile ourselves with the additional
2615 # commands passed to AC_CONFIG_FILES. Use separate variables
2616 # extrasub-{build,host,target} not because there is any reason to split
2617 # the substitutions up that way, but only to remain below the limit of
2618 # 99 commands in a script, for HP-UX sed.
2619 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2621 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2622 yes:yes:*\ gold\ *:*,c++,*) ;;
2623 yes:yes:*\ gold\ *:*)
2624 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2629 for module in ${build_configdirs} ; do
2630 if test -z "${no_recursion}" \
2631 && test -f ${build_subdir}/${module}/Makefile; then
2632 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2633 rm -f ${build_subdir}/${module}/Makefile
2635 extrasub_build="$extrasub_build
2636 /^@if build-$module\$/d
2637 /^@endif build-$module\$/d
2638 /^@if build-$module-$bootstrap_suffix\$/d
2639 /^@endif build-$module-$bootstrap_suffix\$/d"
2642 for module in ${configdirs} ; do
2643 if test -z "${no_recursion}"; then
2644 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2645 if test -f ${file}; then
2646 echo 1>&2 "*** removing ${file} to force reconfigure"
2651 case ${module},${bootstrap_fixincludes} in
2652 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2653 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2655 extrasub_host="$extrasub_host
2657 /^@endif $module\$/d
2658 /^@if $module-$host_bootstrap_suffix\$/d
2659 /^@endif $module-$host_bootstrap_suffix\$/d"
2662 for module in ${target_configdirs} ; do
2663 if test -z "${no_recursion}" \
2664 && test -f ${target_subdir}/${module}/Makefile; then
2665 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2666 rm -f ${target_subdir}/${module}/Makefile
2669 # We only bootstrap target libraries listed in bootstrap_target_libs.
2670 case $bootstrap_target_libs in
2671 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2672 *) target_bootstrap_suffix=no-bootstrap ;;
2675 extrasub_target="$extrasub_target
2676 /^@if target-$module\$/d
2677 /^@endif target-$module\$/d
2678 /^@if target-$module-$target_bootstrap_suffix\$/d
2679 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2682 # Do the final fixup along with target modules.
2683 extrasub_target="$extrasub_target
2684 /^@if /,/^@endif /d"
2686 # Create the serialization dependencies. This uses a temporary file.
2688 AC_ARG_ENABLE([serial-configure],
2689 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2690 [force sequential configuration of
2691 sub-packages for the host, target or build
2692 machine, or all sub-packages])])
2694 case ${enable_serial_configure} in
2696 enable_serial_build_configure=yes
2697 enable_serial_host_configure=yes
2698 enable_serial_target_configure=yes
2702 # These force 'configure's to be done one at a time, to avoid problems
2703 # with contention over a shared config.cache.
2705 echo '# serdep.tmp' > serdep.tmp
2707 test "x${enable_serial_build_configure}" = xyes &&
2708 for item in ${build_configdirs} ; do
2711 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2716 test "x${enable_serial_host_configure}" = xyes &&
2717 for item in ${configdirs} ; do
2720 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2725 test "x${enable_serial_target_configure}" = xyes &&
2726 for item in ${target_configdirs} ; do
2729 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2733 serialization_dependencies=serdep.tmp
2734 AC_SUBST_FILE(serialization_dependencies)
2736 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2737 # target, nonopt, and variable assignments. These are the ones we
2738 # might not want to pass down to subconfigures. The exception being
2739 # --cache-file=/dev/null, which is used to turn off the use of cache
2740 # files altogether, and which should be passed on to subconfigures.
2741 # Also strip program-prefix, program-suffix, and program-transform-name,
2742 # so that we can pass down a consistent program-transform-name.
2747 eval "set -- $ac_configure_args"
2750 if test X"$skip_next" = X"yes"; then
2754 if test X"$keep_next" = X"yes"; then
2757 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2759 baseargs="$baseargs '$ac_arg'"
2760 tbaseargs="$tbaseargs '$ac_arg'"
2765 # Handle separated arguments. Based on the logic generated by
2768 *=* | --config-cache | -C | -disable-* | --disable-* \
2769 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2770 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2771 | -with-* | --with-* | -without-* | --without-* | --x)
2785 --with-* | --without-*)
2786 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2790 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2793 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2802 mpc | mpfr | gmp | cloog)
2803 # If we're processing --with-$lib, --with-$lib-include or
2804 # --with-$lib-lib, for one of the libs above, and target is
2805 # different from host, don't pass the current argument to any
2806 # target library's configure.
2807 if test x$is_cross_compiler = xyes; then
2816 --cache-file=/dev/null | \
2817 -cache-file=/dev/null )
2818 # Handled here to avoid the test to skip args below.
2819 baseargs="$baseargs '$ac_arg'"
2820 tbaseargs="$tbaseargs '$ac_arg'"
2821 # Assert: $separate_arg should always be no.
2822 keep_next=$separate_arg
2838 -program-prefix* | \
2839 -program-suffix* | \
2840 -program-transform-name* )
2841 skip_next=$separate_arg
2845 # An option. Add it.
2848 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2850 baseargs="$baseargs '$ac_arg'"
2851 if test X"$skip_targ" = Xno; then
2852 tbaseargs="$tbaseargs '$ac_arg'"
2854 keep_next=$separate_arg
2857 # Either a variable assignment, or a nonopt (triplet). Don't
2858 # pass it down; let the Makefile handle this.
2863 # Remove the initial space we just introduced and, as these will be
2864 # expanded by make, quote '$'.
2865 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2867 # Add in --program-transform-name, after --program-prefix and
2868 # --program-suffix have been applied to it. Autoconf has already
2869 # doubled dollar signs and backslashes in program_transform_name; we want
2870 # the backslashes un-doubled, and then the entire thing wrapped in single
2871 # quotes, because this will be expanded first by make and then by the shell.
2872 # Also, because we want to override the logic in subdir configure scripts to
2873 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2874 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2875 ${program_transform_name}
2877 gcc_transform_name=`cat conftestsed.out`
2878 rm -f conftestsed.out
2879 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2880 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2881 if test "$silent" = yes; then
2882 baseargs="$baseargs --silent"
2883 tbaseargs="$tbaseargs --silent"
2885 baseargs="$baseargs --disable-option-checking"
2886 tbaseargs="$tbaseargs --disable-option-checking"
2888 # Record and document user additions to sub configure arguments.
2889 AC_ARG_VAR([build_configargs],
2890 [additional configure arguments for build directories])
2891 AC_ARG_VAR([host_configargs],
2892 [additional configure arguments for host directories])
2893 AC_ARG_VAR([target_configargs],
2894 [additional configure arguments for target directories])
2896 # For the build-side libraries, we just need to pretend we're native,
2897 # and not use the same cache file. Multilibs are neither needed nor
2899 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2901 # For host modules, accept cache file option, or specification as blank.
2902 case "${cache_file}" in
2904 cache_file_option="" ;;
2905 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2906 cache_file_option="--cache-file=${cache_file}" ;;
2908 cache_file_option="--cache-file=../${cache_file}" ;;
2911 # Host dirs don't like to share a cache file either, horribly enough.
2912 # This seems to be due to autoconf 2.5x stupidity.
2913 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2915 target_configargs="$target_configargs ${tbaseargs}"
2917 # Passing a --with-cross-host argument lets the target libraries know
2918 # whether they are being built with a cross-compiler or being built
2919 # native. However, it would be better to use other mechanisms to make the
2920 # sorts of decisions they want to make on this basis. Please consider
2921 # this option to be deprecated. FIXME.
2922 if test x${is_cross_compiler} = xyes ; then
2923 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2926 # Special user-friendly check for native x86_64-linux build, if
2927 # multilib is not explicitly enabled.
2928 case "$target:$have_compiler:$host:$target:$enable_multilib" in
2929 x86_64-*linux*:yes:$build:$build:)
2930 # Make sure we have a developement environment that handles 32-bit
2932 echo "int main () { return 0; }" > conftest.c
2933 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2934 if test $? = 0 ; then
2935 if test -s conftest || test -s conftest.exe ; then
2940 if test x${dev64} != xyes ; then
2941 AC_MSG_ERROR([I suspect your system does not have 32-bit developement 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.])
2946 # Default to --enable-multilib.
2947 if test x${enable_multilib} = x ; then
2948 target_configargs="--enable-multilib ${target_configargs}"
2951 # Pass --with-newlib if appropriate. Note that target_configdirs has
2952 # changed from the earlier setting of with_newlib.
2953 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2954 target_configargs="--with-newlib ${target_configargs}"
2957 # Different target subdirs use different values of certain variables
2958 # (notably CXX). Worse, multilibs use *lots* of different values.
2959 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2960 # it doesn't automatically accept command-line overrides of them.
2961 # This means it's not safe for target subdirs to share a cache file,
2962 # which is disgusting, but there you have it. Hopefully this can be
2963 # fixed in future. It's still worthwhile to use a cache file for each
2964 # directory. I think.
2966 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2967 # We need to pass --target, as newer autoconf's requires consistency
2968 # for target_alias and gcc doesn't manage it consistently.
2969 target_configargs="--cache-file=./config.cache ${target_configargs}"
2972 case " $target_configdirs " in
2974 case " $target_configargs " in
2975 *" --with-newlib "*)
2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2982 # If we're not building GCC, don't discard standard headers.
2983 if test -d ${srcdir}/gcc; then
2984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2986 if test "${build}" != "${host}"; then
2987 # On Canadian crosses, CC_FOR_TARGET will have already been set
2988 # by `configure', so we won't have an opportunity to add -Bgcc/
2989 # to it. This is right: we don't want to search that directory
2990 # for binaries, but we want the header files in there, so add
2992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2994 # Someone might think of using the pre-installed headers on
2995 # Canadian crosses, in case the installed compiler is not fully
2996 # compatible with the compiler being built. In this case, it
2997 # would be better to flag an error than risking having
2998 # incompatible object files being constructed. We can't
2999 # guarantee that an error will be flagged, but let's hope the
3000 # compiler will do it, when presented with incompatible header
3005 case "${target}-${is_cross_compiler}" in
3006 i[[3456789]]86-*-linux*-no)
3007 # Here host == target, so we don't need to build gcc,
3008 # so we don't want to discard standard headers.
3009 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3012 # If we're building newlib, use its generic headers last, but search
3013 # for any libc-related directories first (so make it the last -B
3015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3017 # If we're building libgloss, find the startup file, simulator library
3018 # and linker script.
3019 case " $target_configdirs " in
3021 # Look for startup file, simulator library and maybe linker script.
3022 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3023 # Look for libnosys.a in case the target needs it.
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3025 # Most targets have the linker script in the source directory.
3026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3037 x86_64-*mingw* | *-w64-mingw*)
3038 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3039 # however, use a symlink named 'mingw' in ${prefix} .
3040 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3043 # MinGW can't be handled as Cygwin above since it does not use newlib.
3044 FLAGS_FOR_TARGET=$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'
3048 # Allow the user to override the flags for
3049 # our build compiler if desired.
3050 if test x"${build}" = x"${host}" ; then
3051 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3052 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3053 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3056 # On Canadian crosses, we'll be searching the right directories for
3057 # the previously-installed cross compiler, so don't bother to add
3058 # flags for directories within the install tree of the compiler
3059 # being built; programs in there won't even run.
3060 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3061 # Search for pre-installed headers if nothing else fits.
3062 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3065 if test "x${use_gnu_ld}" = x &&
3066 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3067 # Arrange for us to find uninstalled linker scripts.
3068 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3071 # Search for other target-specific linker scripts and such.
3074 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3078 # Makefile fragments.
3079 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3081 eval fragval=\$$frag
3082 if test $fragval != /dev/null; then
3083 eval $frag=${srcdir}/$fragval
3086 AC_SUBST_FILE(host_makefile_frag)
3087 AC_SUBST_FILE(target_makefile_frag)
3088 AC_SUBST_FILE(alphaieee_frag)
3089 AC_SUBST_FILE(ospace_frag)
3091 # Miscellanea: directories, flags, etc.
3092 AC_SUBST(RPATH_ENVVAR)
3093 AC_SUBST(GCC_SHLIB_SUBDIR)
3095 AC_SUBST(build_tooldir)
3096 AC_SUBST(CONFIGURE_GDB_TK)
3098 AC_SUBST(INSTALL_GDB_TK)
3100 # Build module lists & subconfigure args.
3101 AC_SUBST(build_configargs)
3102 AC_SUBST(build_configdirs)
3104 # Host module lists & subconfigure args.
3105 AC_SUBST(host_configargs)
3106 AC_SUBST(configdirs)
3107 AC_SUBST(target_configdirs)
3109 # Target module lists & subconfigure args.
3110 AC_SUBST(target_configargs)
3114 AC_SUBST(AR_FOR_BUILD)
3115 AC_SUBST(AS_FOR_BUILD)
3116 AC_SUBST(CC_FOR_BUILD)
3117 AC_SUBST(CFLAGS_FOR_BUILD)
3118 AC_SUBST(CXXFLAGS_FOR_BUILD)
3119 AC_SUBST(CXX_FOR_BUILD)
3120 AC_SUBST(DLLTOOL_FOR_BUILD)
3121 AC_SUBST(GCJ_FOR_BUILD)
3122 AC_SUBST(GFORTRAN_FOR_BUILD)
3123 AC_SUBST(GOC_FOR_BUILD)
3124 AC_SUBST(LDFLAGS_FOR_BUILD)
3125 AC_SUBST(LD_FOR_BUILD)
3126 AC_SUBST(NM_FOR_BUILD)
3127 AC_SUBST(RANLIB_FOR_BUILD)
3128 AC_SUBST(WINDMC_FOR_BUILD)
3129 AC_SUBST(WINDRES_FOR_BUILD)
3131 # Generate default definitions for YACC, M4, LEX and other programs that run
3132 # on the build machine. These are used if the Makefile can't locate these
3133 # programs in objdir.
3134 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3136 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3137 case " $build_configdirs " in
3138 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3141 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3142 case " $build_configdirs " in
3143 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3146 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3147 case " $build_configdirs " in
3148 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3151 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3152 case " $build_configdirs " in
3153 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3154 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3157 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3158 case " $build_configdirs " in
3159 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3162 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3163 case " $build_configdirs " in
3164 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3167 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3168 # higher, else we use the "missing" dummy.
3169 if ${MAKEINFO} --version \
3170 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3173 MAKEINFO="$MISSING makeinfo"
3179 # FIXME: expect and dejagnu may become build tools?
3181 AC_CHECK_PROGS(EXPECT, expect, expect)
3182 case " $configdirs " in
3184 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3188 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3189 case " $configdirs " in
3191 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3197 NCN_STRICT_CHECK_TOOLS(AR, ar)
3198 NCN_STRICT_CHECK_TOOLS(AS, as)
3199 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3200 NCN_STRICT_CHECK_TOOLS(LD, ld)
3201 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3202 NCN_STRICT_CHECK_TOOLS(NM, nm)
3203 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3204 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3205 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3206 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3207 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3208 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3209 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3216 AC_ARG_WITH([build-time-tools],
3217 [AS_HELP_STRING([--with-build-time-tools=PATH],
3218 [use given path to find target tools during the build])],
3219 [case x"$withval" in
3222 with_build_time_tools=
3223 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3226 [with_build_time_tools=])
3228 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3229 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3230 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3231 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3232 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3233 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3235 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3236 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3237 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3238 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3239 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3240 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3241 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3242 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3243 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3244 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3245 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3249 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3251 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3252 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3253 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3254 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3255 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3256 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3258 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3259 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3261 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3262 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3263 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3264 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3265 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3266 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3267 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3268 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3269 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3270 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3271 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3272 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJDUMP, [binutils/objcopy])
3273 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3274 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3275 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3276 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3277 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3278 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3280 AC_SUBST(FLAGS_FOR_TARGET)
3281 AC_SUBST(RAW_CXX_FOR_TARGET)
3283 # Certain tools may need extra flags.
3284 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3285 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3286 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3288 # When building target libraries, except in a Canadian cross, we use
3289 # the same toolchain as the compiler we just built.
3290 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3291 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3292 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3293 if test $host = $build; then
3294 case " $configdirs " in
3296 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3297 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3298 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3303 AC_SUBST(COMPILER_AS_FOR_TARGET)
3304 AC_SUBST(COMPILER_LD_FOR_TARGET)
3305 AC_SUBST(COMPILER_NM_FOR_TARGET)
3307 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3308 AC_ARG_ENABLE(maintainer-mode,
3309 [AS_HELP_STRING([--enable-maintainer-mode],
3310 [enable make rules and dependencies not useful
3311 (and sometimes confusing) to the casual installer])],
3312 USE_MAINTAINER_MODE=$enableval,
3313 USE_MAINTAINER_MODE=no)
3314 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3315 AC_SUBST(MAINTAINER_MODE_TRUE)
3316 AC_SUBST(MAINTAINER_MODE_FALSE)
3317 if test "$USE_MAINTAINER_MODE" = yes; then
3318 MAINTAINER_MODE_TRUE=
3319 MAINTAINER_MODE_FALSE='#'
3321 MAINTAINER_MODE_TRUE='#'
3322 MAINTAINER_MODE_FALSE=
3324 MAINT=$MAINTAINER_MODE_TRUE
3327 # ---------------------
3328 # GCC bootstrap support
3329 # ---------------------
3331 # Stage specific cflags for build.
3336 yes) stage1_cflags="-g -Wa,-J" ;;
3337 *) stage1_cflags="-g -J" ;;
3341 AC_SUBST(stage1_cflags)
3343 # Enable --enable-checking in stage1 of the compiler.
3344 AC_ARG_ENABLE(stage1-checking,
3345 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3346 [choose additional checking for stage1 of the compiler])],
3347 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3348 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3349 stage1_checking=--enable-checking=yes,types
3351 stage1_checking=--enable-checking=$enable_checking,types
3353 AC_SUBST(stage1_checking)
3355 # Enable -Werror in bootstrap stage2 and later.
3356 AC_ARG_ENABLE(werror,
3357 [AS_HELP_STRING([--enable-werror],
3358 [enable -Werror in bootstrap stage2 and later])], [],
3359 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3364 case ${enable_werror} in
3365 yes) stage2_werror_flag="--enable-werror-always" ;;
3366 *) stage2_werror_flag="" ;;
3368 AC_SUBST(stage2_werror_flag)
3370 # Enable --enable-host-shared.
3371 AC_ARG_ENABLE(host-shared,
3372 [AS_HELP_STRING([--enable-host-shared],
3373 [build host code as shared libraries])],
3374 [host_shared=$enableval], [host_shared=no])
3375 AC_SUBST(host_shared)
3377 # Specify what files to not compare during bootstrap.
3379 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3381 hppa*64*-*-hpux*) ;;
3382 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3383 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3385 AC_SUBST(compare_exclusions)
3387 AC_CONFIG_FILES([Makefile],
3388 [sed "$extrasub_build" Makefile |
3389 sed "$extrasub_host" |
3390 sed "$extrasub_target" > mf$$
3391 mv -f mf$$ Makefile],
3392 [extrasub_build="$extrasub_build"
3393 extrasub_host="$extrasub_host"
3394 extrasub_target="$extrasub_target"])