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 \
161 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*-*-* | tilegx*-*-*)
335 configdirs="$configdirs gold"
336 if test x${ENABLE_GOLD} = xdefault; then
347 AC_MSG_ERROR([invalid --enable-gold argument])
352 [AS_HELP_STRING([[--enable-ld[=ARG]]],
353 [build ld @<:@ARG={default,yes,no}@:>@])],
354 ENABLE_LD=$enableval,
357 case "${ENABLE_LD}" in
359 if test x${default_ld} != x; then
360 AC_MSG_ERROR([either gold or ld can be the default ld])
366 if test x${ENABLE_GOLD} != xyes; then
367 AC_MSG_WARN([neither ld nor gold are enabled])
369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
372 AC_MSG_ERROR([invalid --enable-ld argument])
376 # Configure extra directories which are host specific
380 configdirs="$configdirs libtermcap" ;;
383 # A target can indicate whether a language isn't supported for some reason.
384 # Only spaces may be used in this macro; not newlines or tabs.
385 unsupported_languages=
387 # Remove more programs from consideration, based on the host or
388 # target this usually means that a port of the program doesn't
392 i[[3456789]]86-*-msdosdjgpp*)
393 noconfigdirs="$noconfigdirs tcl tk itcl"
398 AC_ARG_ENABLE(libquadmath,
399 AS_HELP_STRING([--disable-libquadmath],
400 [do not build libquadmath directory]),
401 ENABLE_LIBQUADMATH=$enableval,
402 ENABLE_LIBQUADMATH=yes)
403 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
404 noconfigdirs="$noconfigdirs target-libquadmath"
408 AC_ARG_ENABLE(libquadmath-support,
409 AS_HELP_STRING([--disable-libquadmath-support],
410 [disable libquadmath support for Fortran]),
411 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
412 ENABLE_LIBQUADMATH_SUPPORT=yes)
413 enable_libquadmath_support=
414 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
415 enable_libquadmath_support=no
419 AC_ARG_ENABLE(libada,
420 [AS_HELP_STRING([--enable-libada], [build libada directory])],
421 ENABLE_LIBADA=$enableval,
423 if test "${ENABLE_LIBADA}" != "yes" ; then
424 noconfigdirs="$noconfigdirs gnattools"
427 AC_ARG_ENABLE(libssp,
428 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
429 ENABLE_LIBSSP=$enableval,
432 AC_ARG_ENABLE(libstdcxx,
433 AS_HELP_STRING([--disable-libstdcxx],
434 [do not build libstdc++-v3 directory]),
435 ENABLE_LIBSTDCXX=$enableval,
436 ENABLE_LIBSTDCXX=default)
437 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
438 noconfigdirs="$noconfigdirs libstdc++-v3"
441 # Save it here so that, even in case of --enable-libgcj, if the Java
442 # front-end isn't enabled, we still get libgcj disabled.
444 case $enable_libgcj in
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
452 # Make sure we get it printed in the list of not supported target libs.
453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
455 # Clear libgcj_saved so that even if java is enabled libffi won't be
461 AC_ARG_ENABLE(static-libjava,
462 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464 ENABLE_STATIC_LIBJAVA=$enableval,
465 ENABLE_STATIC_LIBJAVA=no)
466 enable_static_libjava=
467 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
471 if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
474 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
476 # Disable libmudflap on some systems.
477 if test x$enable_libmudflap = x ; then
479 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
480 # Enable libmudflap by default in GNU and friends.
483 # Enable libmudflap by default in FreeBSD.
486 # Disable it by default everywhere else.
487 noconfigdirs="$noconfigdirs target-libmudflap"
492 # Disable libgomp on non POSIX hosted systems.
493 if test x$enable_libgomp = x ; then
494 # Enable libgomp by default on hosted POSIX systems.
496 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
498 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
500 *-*-solaris2* | *-*-hpux11*)
502 *-*-darwin* | *-*-aix*)
505 noconfigdirs="$noconfigdirs target-libgomp"
510 # Disable libatomic on unsupported systems.
511 if test -d ${srcdir}/libatomic; then
512 if test x$enable_libatomic = x; then
513 AC_MSG_CHECKING([for libatomic support])
514 if (srcdir=${srcdir}/libatomic; \
515 . ${srcdir}/configure.tgt; \
516 test -n "$UNSUPPORTED")
519 noconfigdirs="$noconfigdirs target-libatomic"
526 # Disable libitm on unsupported systems.
527 if test -d ${srcdir}/libitm; then
528 if test x$enable_libitm = x; then
529 AC_MSG_CHECKING([for libitm support])
530 if (srcdir=${srcdir}/libitm; \
531 . ${srcdir}/configure.tgt; \
532 test -n "$UNSUPPORTED")
535 noconfigdirs="$noconfigdirs target-libitm"
542 # Disable libsanitizer on unsupported systems.
543 if test -d ${srcdir}/libsanitizer; then
544 if test x$enable_libsanitizer = x; then
545 AC_MSG_CHECKING([for libsanitizer support])
546 if (srcdir=${srcdir}/libsanitizer; \
547 . ${srcdir}/configure.tgt; \
548 test -n "$UNSUPPORTED")
551 noconfigdirs="$noconfigdirs target-libsanitizer"
558 # Disable libvtv on unsupported systems.
559 if test -d ${srcdir}/libvtv; then
560 if test x$enable_libvtv = x; then
561 AC_MSG_CHECKING([for libvtv support])
562 if (srcdir=${srcdir}/libvtv; \
563 . ${srcdir}/configure.tgt; \
564 test "$VTV_SUPPORTED" != "yes")
567 noconfigdirs="$noconfigdirs target-libvtv"
574 # Disable libquadmath for some systems.
577 noconfigdirs="$noconfigdirs target-libquadmath"
579 # libquadmath is unused on AIX and libquadmath build process use of
580 # LD_LIBRARY_PATH can break AIX bootstrap.
581 powerpc-*-aix* | rs6000-*-aix*)
582 noconfigdirs="$noconfigdirs target-libquadmath"
586 # Disable libssp for some systems.
589 # No hosted I/O support.
590 noconfigdirs="$noconfigdirs target-libssp"
592 powerpc-*-aix* | rs6000-*-aix*)
593 noconfigdirs="$noconfigdirs target-libssp"
596 # libssp uses a misaligned load to trigger a fault, but the RL78
597 # doesn't fault for those - instead, it gives a build-time error
598 # for explicit misaligned loads.
599 noconfigdirs="$noconfigdirs target-libssp"
603 # Disable libstdc++-v3 for some systems.
604 # Allow user to override this if they pass --enable-libstdc++-v3
605 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
608 # VxWorks uses the Dinkumware C++ library.
609 noconfigdirs="$noconfigdirs target-libstdc++-v3"
612 # the C++ libraries don't build on top of CE's C libraries
613 noconfigdirs="$noconfigdirs target-libstdc++-v3"
616 noconfigdirs="$noconfigdirs target-libstdc++-v3"
621 # Disable Fortran for some systems.
624 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
625 unsupported_languages="$unsupported_languages fortran"
629 # Disable Java if libffi is not supported.
661 powerpc-*-aix* | rs6000-*-aix*)
665 powerpc64-*-freebsd*)
669 s390-*-* | s390x-*-*)
671 sh-*-* | sh[[34]]*-*-*)
680 unsupported_languages="$unsupported_languages java"
684 # Disable Java, libgcj or related libraries for some systems.
688 i[[3456789]]86-*-darwin*)
690 x86_64-*-darwin[[912]]*)
693 noconfigdirs="$noconfigdirs ${libgcj}"
696 noconfigdirs="$noconfigdirs ${libgcj}"
699 noconfigdirs="$noconfigdirs ${libgcj}"
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj}"
708 noconfigdirs="$noconfigdirs ${libgcj}"
711 noconfigdirs="$noconfigdirs ${libgcj}"
714 noconfigdirs="$noconfigdirs ${libgcj}"
717 noconfigdirs="$noconfigdirs ${libgcj}"
720 noconfigdirs="$noconfigdirs target-boehm-gc"
722 cris-*-* | crisv32-*-*)
723 unsupported_languages="$unsupported_languages java"
727 *) # See PR46792 regarding target-libffi.
728 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
732 # In this case, it's because the hppa64-linux target is for
733 # the kernel only at this point and has no libc, and thus no
734 # headers, crt*.o, etc., all of which are needed by these.
735 unsupported_languages="$unsupported_languages java"
738 noconfigdirs="$noconfigdirs ${libgcj}"
743 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
744 # build on HP-UX 10.20.
745 noconfigdirs="$noconfigdirs ${libgcj}"
748 noconfigdirs="$noconfigdirs ${libgcj}"
750 i[[3456789]]86-w64-mingw*)
751 noconfigdirs="$noconfigdirs ${libgcj}"
753 i[[3456789]]86-*-mingw*)
754 noconfigdirs="$noconfigdirs ${libgcj}"
757 noconfigdirs="$noconfigdirs ${libgcj}"
760 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
763 # copied from rs6000-*-* entry
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs ${libgcj}"
774 # Disable libgo for some systems where it is known to not work.
775 # For testing, you can easily override this with --enable-libgo.
776 if test x$enable_libgo = x; then
780 noconfigdirs="$noconfigdirs target-libgo"
782 *-*-cygwin* | *-*-mingw*)
783 noconfigdirs="$noconfigdirs target-libgo"
786 noconfigdirs="$noconfigdirs target-libgo"
791 # Default libgloss CPU subdirectory.
792 libgloss_dir="$target_cpu"
795 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
804 cris-*-* | crisv32-*-*)
813 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
830 # Disable newlib and libgloss for various target OSes.
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
835 i[[3456789]]86-*-linux*)
836 # This section makes it possible to build newlib natively on linux.
837 # If we are using a cross compiler then don't configure newlib.
838 if test x${is_cross_compiler} != xno ; then
839 noconfigdirs="$noconfigdirs target-newlib"
841 noconfigdirs="$noconfigdirs target-libgloss"
842 # If we are not using a cross compiler, do configure newlib.
843 # Note however, that newlib will only be configured in this situation
844 # if the --with-newlib option has been given, because otherwise
845 # 'target-newlib' will appear in skipdirs.
847 i[[3456789]]86-*-rdos*)
848 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
850 sh*-*-pe|mips*-*-pe|arm-wince-pe)
851 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
854 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
860 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
863 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
866 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
869 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
901 noconfigdirs="$noconfigdirs ld gas gdb gprof"
902 noconfigdirs="$noconfigdirs sim target-rda"
904 i[[3456789]]86-*-darwin*)
905 noconfigdirs="$noconfigdirs ld gprof"
906 noconfigdirs="$noconfigdirs sim target-rda"
908 x86_64-*-darwin[[912]]*)
909 noconfigdirs="$noconfigdirs ld gas gprof"
910 noconfigdirs="$noconfigdirs sim target-rda"
913 noconfigdirs="$noconfigdirs ld gas gdb gprof"
914 noconfigdirs="$noconfigdirs sim target-rda"
919 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
920 && test -f /usr/local/include/gmp.h; then
925 # Remove unsupported stuff on all kaOS configurations.
926 noconfigdirs="$noconfigdirs target-libgloss"
933 noconfigdirs="$noconfigdirs target-libgloss"
935 # The tpf target doesn't support gdb yet.
937 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
940 noconfigdirs="$noconfigdirs target-rda"
945 # ld works, but does not support shared libraries.
946 # gas doesn't generate exception information.
947 noconfigdirs="$noconfigdirs gas ld"
950 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
953 # newlib is not 64 bit ready
954 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
957 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
960 noconfigdirs="$noconfigdirs target-libgloss"
963 noconfigdirs="$noconfigdirs target-libgloss"
966 noconfigdirs="$noconfigdirs ld target-libgloss"
971 if test x${with_avrlibc} != xno; then
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
976 noconfigdirs="$noconfigdirs target-libgloss"
979 noconfigdirs="$noconfigdirs target-libgloss gdb"
982 noconfigdirs="$noconfigdirs target-libgloss"
985 noconfigdirs="$noconfigdirs gdb"
988 noconfigdirs="$noconfigdirs gdb"
991 noconfigdirs="$noconfigdirs gprof"
994 noconfigdirs="$noconfigdirs target-libgloss"
997 noconfigdirs="$noconfigdirs target-libgloss"
999 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1007 hppa*-*-openbsd* | \
1011 noconfigdirs="$noconfigdirs ld"
1016 noconfigdirs="$noconfigdirs ld"
1019 noconfigdirs="$noconfigdirs gdb"
1022 # No gdb support yet.
1023 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1026 # No ld support yet.
1027 noconfigdirs="$noconfigdirs libgui itcl ld"
1030 # No ld support yet.
1031 noconfigdirs="$noconfigdirs libgui itcl ld"
1033 i[[3456789]]86-w64-mingw*)
1035 i[[3456789]]86-*-mingw*)
1036 target_configdirs="$target_configdirs target-winsup"
1039 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1040 noconfigdirs="$noconfigdirs target-libgloss"
1041 # always build newlib if winsup directory is present.
1042 if test -d "$srcdir/winsup/cygwin"; then
1043 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1044 elif test -d "$srcdir/newlib"; then
1045 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1048 i[[3456789]]86-*-pe)
1049 noconfigdirs="$noconfigdirs target-libgloss"
1051 i[[3456789]]86-*-sco3.2v5*)
1052 # The linker does not yet know about weak symbols in COFF,
1053 # and is not configured to handle mixed ELF and COFF.
1054 noconfigdirs="$noconfigdirs ld target-libgloss"
1056 i[[3456789]]86-*-sco*)
1057 noconfigdirs="$noconfigdirs gprof target-libgloss"
1059 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1060 noconfigdirs="$noconfigdirs target-libgloss"
1062 i[[3456789]]86-*-sysv4*)
1063 noconfigdirs="$noconfigdirs target-libgloss"
1065 i[[3456789]]86-*-beos*)
1066 noconfigdirs="$noconfigdirs gdb"
1068 i[[3456789]]86-*-rdos*)
1069 noconfigdirs="$noconfigdirs gdb"
1072 noconfigdirs="$noconfigdirs gdb"
1075 noconfigdirs="$noconfigdirs sim"
1078 # copied from rs6000-*-* entry
1079 noconfigdirs="$noconfigdirs gprof"
1081 powerpc*-*-winnt* | powerpc*-*-pe*)
1082 target_configdirs="$target_configdirs target-winsup"
1083 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1084 # always build newlib.
1085 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1087 # This is temporary until we can link against shared libraries
1088 powerpcle-*-solaris*)
1089 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1092 noconfigdirs="$noconfigdirs gdb"
1095 noconfigdirs="$noconfigdirs gprof"
1098 noconfigdirs="$noconfigdirs gprof"
1101 noconfigdirs="$noconfigdirs gprof"
1104 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1107 noconfigdirs="$noconfigdirs gprof"
1109 mips*-sde-elf* | mips*-mti-elf*)
1110 if test x$with_newlib = xyes; then
1111 noconfigdirs="$noconfigdirs gprof"
1115 noconfigdirs="$noconfigdirs gprof target-libgloss"
1118 noconfigdirs="$noconfigdirs gprof target-libgloss"
1121 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1125 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1126 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1127 noconfigdirs="$noconfigdirs ld gas gprof"
1130 noconfigdirs="$noconfigdirs gprof"
1137 noconfigdirs="$noconfigdirs target-libgloss" ;;
1141 if test x${is_cross_compiler} = xno ; then
1146 noconfigdirs="$noconfigdirs sim"
1148 tilepro-*-* | tilegx-*-*)
1149 noconfigdirs="$noconfigdirs sim"
1152 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1155 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1159 # If we aren't building newlib, then don't build libgloss, since libgloss
1160 # depends upon some newlib header files.
1161 case "${noconfigdirs}" in
1162 *target-libgloss*) ;;
1163 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1166 # Work in distributions that contain no compiler tools, like Autoconf.
1167 host_makefile_frag=/dev/null
1168 if test -d ${srcdir}/config ; then
1170 i[[3456789]]86-*-msdosdjgpp*)
1171 host_makefile_frag="config/mh-djgpp"
1174 ACX_CHECK_CYGWIN_CAT_WORKS
1175 host_makefile_frag="config/mh-cygwin"
1178 host_makefile_frag="config/mh-mingw"
1181 host_makefile_frag="config/mh-pa-hpux10"
1184 host_makefile_frag="config/mh-pa"
1187 host_makefile_frag="config/mh-pa"
1190 host_makefile_frag="config/mh-darwin"
1193 host_makefile_frag="config/mh-ppc-aix"
1196 host_makefile_frag="config/mh-ppc-aix"
1201 if test "${build}" != "${host}" ; then
1202 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1203 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1204 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1205 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1206 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1207 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1208 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1209 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1210 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1211 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1212 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1213 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1214 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1216 AR_FOR_BUILD="\$(AR)"
1217 AS_FOR_BUILD="\$(AS)"
1218 CC_FOR_BUILD="\$(CC)"
1219 CXX_FOR_BUILD="\$(CXX)"
1220 GCJ_FOR_BUILD="\$(GCJ)"
1221 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1222 GOC_FOR_BUILD="\$(GOC)"
1223 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1224 LD_FOR_BUILD="\$(LD)"
1225 NM_FOR_BUILD="\$(NM)"
1226 RANLIB_FOR_BUILD="\$(RANLIB)"
1227 WINDRES_FOR_BUILD="\$(WINDRES)"
1228 WINDMC_FOR_BUILD="\$(WINDMC)"
1234 # We must set the default linker to the linker used by gcc for the correct
1235 # operation of libtool. If LD is not defined and we are using gcc, try to
1236 # set the LD default to the ld used by gcc.
1237 if test -z "$LD"; then
1238 if test "$GCC" = yes; then
1241 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1243 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1245 case $gcc_prog_ld in
1246 # Accept absolute paths.
1247 [[\\/]* | [A-Za-z]:[\\/]*)]
1248 LD="$gcc_prog_ld" ;;
1253 # Check whether -static-libstdc++ -static-libgcc is supported.
1255 if test "$GCC" = yes; then
1256 saved_LDFLAGS="$LDFLAGS"
1258 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1259 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1262 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1263 #error -static-libstdc++ not implemented
1266 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1267 [AC_MSG_RESULT([no])])
1270 LDFLAGS="$saved_LDFLAGS"
1274 ACX_PROG_CMP_IGNORE_INITIAL
1276 AC_ARG_ENABLE([bootstrap],
1277 [AS_HELP_STRING([--enable-bootstrap],
1278 [enable bootstrapping @<:@yes if native build@:>@])],,
1279 enable_bootstrap=default)
1281 # Issue errors and warnings for invalid/strange bootstrap combinations.
1282 if test -r $srcdir/gcc/configure; then
1288 case "$have_compiler:$host:$target:$enable_bootstrap" in
1291 # Default behavior. Enable bootstrap if we have a compiler
1292 # and we are in a native configuration.
1293 yes:$build:$build:default)
1294 enable_bootstrap=yes ;;
1297 enable_bootstrap=no ;;
1299 # We have a compiler and we are in a native configuration, bootstrap is ok
1300 yes:$build:$build:yes)
1303 # Other configurations, but we have a compiler. Assume the user knows
1306 AC_MSG_WARN([trying to bootstrap a cross compiler])
1309 # No compiler: if they passed --enable-bootstrap explicitly, fail
1311 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1313 # Fail if wrong command line
1315 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1319 # Used for setting $lt_cv_objdir
1322 # Check for GMP, MPFR and MPC
1323 gmplibs="-lmpc -lmpfr -lgmp"
1327 # Specify a location for mpc
1328 # check for this first so it ends up on the link line before mpfr.
1330 [AS_HELP_STRING([--with-mpc=PATH],
1331 [specify prefix directory for installed MPC package.
1332 Equivalent to --with-mpc-include=PATH/include
1333 plus --with-mpc-lib=PATH/lib])])
1334 AC_ARG_WITH(mpc-include,
1335 [AS_HELP_STRING([--with-mpc-include=PATH],
1336 [specify directory for installed MPC include files])])
1337 AC_ARG_WITH(mpc-lib,
1338 [AS_HELP_STRING([--with-mpc-lib=PATH],
1339 [specify directory for the installed MPC library])])
1341 if test "x$with_mpc" != x; then
1342 gmplibs="-L$with_mpc/lib $gmplibs"
1343 gmpinc="-I$with_mpc/include $gmpinc"
1345 if test "x$with_mpc_include" != x; then
1346 gmpinc="-I$with_mpc_include $gmpinc"
1348 if test "x$with_mpc_lib" != x; then
1349 gmplibs="-L$with_mpc_lib $gmplibs"
1351 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1352 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1353 gmpinc='-I$$s/mpc/src '"$gmpinc"
1354 # Do not test the mpc version. Assume that it is sufficient, since
1355 # it is in the source tree, and the library has not been built yet
1356 # but it would be included on the link line in the version check below
1357 # hence making the test fail.
1361 # Specify a location for mpfr
1362 # check for this first so it ends up on the link line before gmp.
1363 AC_ARG_WITH(mpfr-dir,
1364 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1365 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1366 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1369 [AS_HELP_STRING([--with-mpfr=PATH],
1370 [specify prefix directory for installed MPFR package.
1371 Equivalent to --with-mpfr-include=PATH/include
1372 plus --with-mpfr-lib=PATH/lib])])
1373 AC_ARG_WITH(mpfr-include,
1374 [AS_HELP_STRING([--with-mpfr-include=PATH],
1375 [specify directory for installed MPFR include files])])
1376 AC_ARG_WITH(mpfr-lib,
1377 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1378 [specify directory for the installed MPFR library])])
1380 if test "x$with_mpfr" != x; then
1381 gmplibs="-L$with_mpfr/lib $gmplibs"
1382 gmpinc="-I$with_mpfr/include $gmpinc"
1384 if test "x$with_mpfr_include" != x; then
1385 gmpinc="-I$with_mpfr_include $gmpinc"
1387 if test "x$with_mpfr_lib" != x; then
1388 gmplibs="-L$with_mpfr_lib $gmplibs"
1390 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1391 # MPFR v3.1.0 moved the sources into a src sub-directory.
1392 if test -d ${srcdir}/mpfr/src; then
1393 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1394 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1395 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1397 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1398 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1399 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1401 # Do not test the mpfr version. Assume that it is sufficient, since
1402 # it is in the source tree, and the library has not been built yet
1403 # but it would be included on the link line in the version check below
1404 # hence making the test fail.
1408 # Specify a location for gmp
1409 AC_ARG_WITH(gmp-dir,
1410 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1411 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1412 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1415 [AS_HELP_STRING([--with-gmp=PATH],
1416 [specify prefix directory for the installed GMP package.
1417 Equivalent to --with-gmp-include=PATH/include
1418 plus --with-gmp-lib=PATH/lib])])
1419 AC_ARG_WITH(gmp-include,
1420 [AS_HELP_STRING([--with-gmp-include=PATH],
1421 [specify directory for installed GMP include files])])
1422 AC_ARG_WITH(gmp-lib,
1423 [AS_HELP_STRING([--with-gmp-lib=PATH],
1424 [specify directory for the installed GMP library])])
1427 if test "x$with_gmp" != x; then
1428 gmplibs="-L$with_gmp/lib $gmplibs"
1429 gmpinc="-I$with_gmp/include $gmpinc"
1431 if test "x$with_gmp_include" != x; then
1432 gmpinc="-I$with_gmp_include $gmpinc"
1434 if test "x$with_gmp_lib" != x; then
1435 gmplibs="-L$with_gmp_lib $gmplibs"
1437 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1438 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1439 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1440 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1441 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1442 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1443 # Do not test the gmp version. Assume that it is sufficient, since
1444 # it is in the source tree, and the library has not been built yet
1445 # but it would be included on the link line in the version check below
1446 # hence making the test fail.
1450 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1452 saved_CFLAGS="$CFLAGS"
1453 CFLAGS="$CFLAGS $gmpinc"
1454 # Check for the recommended and required versions of GMP.
1455 AC_MSG_CHECKING([for the correct version of gmp.h])
1456 AC_TRY_COMPILE([#include "gmp.h"],[
1457 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1458 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1459 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1462 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1463 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1464 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1465 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1468 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1469 [AC_MSG_RESULT([no]); have_gmp=no])
1471 # If we have GMP, check the MPFR version.
1472 if test x"$have_gmp" = xyes; then
1473 # Check for the recommended and required versions of MPFR.
1474 AC_MSG_CHECKING([for the correct version of mpfr.h])
1475 AC_TRY_COMPILE([#include <gmp.h>
1476 #include <mpfr.h>],[
1477 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1480 ], [AC_TRY_COMPILE([#include <gmp.h>
1481 #include <mpfr.h>],[
1482 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1486 [AC_MSG_RESULT([no]); have_gmp=no])
1489 # Check for the MPC header version.
1490 if test x"$have_gmp" = xyes ; then
1491 # Check for the recommended and required versions of MPC.
1492 AC_MSG_CHECKING([for the correct version of mpc.h])
1493 AC_TRY_COMPILE([#include <mpc.h>],[
1494 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1497 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1502 [AC_MSG_RESULT([no]); have_gmp=no])
1505 # Now check the MPFR library.
1506 if test x"$have_gmp" = xyes; then
1508 LIBS="$LIBS $gmplibs"
1509 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1510 AC_TRY_LINK([#include <mpc.h>],[
1517 mpfr_atan2 (n, n, x, GMP_RNDN);
1518 mpfr_erfc (n, x, GMP_RNDN);
1519 mpfr_subnormalize (x, t, GMP_RNDN);
1523 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1524 mpc_cosh (c, c, MPC_RNDNN);
1525 mpc_pow (c, c, c, MPC_RNDNN);
1526 mpc_acosh (c, c, MPC_RNDNN);
1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1532 CFLAGS="$saved_CFLAGS"
1534 # The library versions listed in the error message below should match
1535 # the HARD-minimums enforced above.
1536 if test x$have_gmp != xyes; then
1537 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1538 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1539 their locations. Source code for these libraries can be found at
1540 their respective hosting sites as well as at
1541 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1542 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1543 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1544 make sure that you have installed both the libraries and the header
1545 files. They may be located in separate packages.])
1549 # Flags needed for both GMP, MPFR and/or MPC.
1552 AC_SUBST(extra_mpfr_configure_flags)
1553 AC_SUBST(extra_mpc_gmp_configure_flags)
1554 AC_SUBST(extra_mpc_mpfr_configure_flags)
1555 AC_SUBST(extra_isl_gmp_configure_flags)
1557 # Allow host libstdc++ to be specified for static linking with PPL.
1558 AC_ARG_WITH(host-libstdcxx,
1559 [AS_HELP_STRING([--with-host-libstdcxx=L],
1560 [use linker arguments L to link with libstdc++
1561 when linking with PPL])])
1563 case $with_host_libstdcxx in
1565 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1569 # Libraries to use for stage1 or when not bootstrapping.
1570 AC_ARG_WITH(stage1-libs,
1571 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1572 [if test "$withval" = "no" -o "$withval" = "yes"; then
1575 stage1_libs=$withval
1577 [stage1_libs=$with_host_libstdcxx])
1578 AC_SUBST(stage1_libs)
1580 # Linker flags to use for stage1 or when not bootstrapping.
1581 AC_ARG_WITH(stage1-ldflags,
1582 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1583 [if test "$withval" = "no" -o "$withval" = "yes"; then
1586 stage1_ldflags=$withval
1589 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1590 # if supported. But if the user explicitly specified the libraries to use,
1591 # trust that they are doing what they want.
1592 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1593 stage1_ldflags="-static-libstdc++ -static-libgcc"
1595 AC_SUBST(stage1_ldflags)
1597 # Libraries to use for stage2 and later builds. This defaults to the
1598 # argument passed to --with-host-libstdcxx.
1599 AC_ARG_WITH(boot-libs,
1600 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1601 [if test "$withval" = "no" -o "$withval" = "yes"; then
1604 poststage1_libs=$withval
1606 [poststage1_libs=$with_host_libstdcxx])
1607 AC_SUBST(poststage1_libs)
1609 # Linker flags to use for stage2 and later builds.
1610 AC_ARG_WITH(boot-ldflags,
1611 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1612 [linker flags for stage2 and later])],
1613 [if test "$withval" = "no" -o "$withval" = "yes"; then
1616 poststage1_ldflags=$withval
1618 [poststage1_ldflags=
1619 # In stages 2 and 3, default to linking libstdc++ and libgcc
1620 # statically. But if the user explicitly specified the libraries to
1621 # use, trust that they are doing what they want.
1622 if test "$poststage1_libs" = ""; then
1623 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1625 AC_SUBST(poststage1_ldflags)
1627 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1628 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1633 [--with-cloog=PATH],
1634 [Specify prefix directory for the installed CLooG-ISL package.
1635 Equivalent to --with-cloog-include=PATH/include
1636 plus --with-cloog-lib=PATH/lib])])
1640 [Specify prefix directory for the installed ISL package.
1641 Equivalent to --with-isl-include=PATH/include
1642 plus --with-isl-lib=PATH/lib])])
1644 # Treat either --without-cloog or --without-isl as a request to disable
1645 # GRAPHITE support and skip all following checks.
1646 if test "x$with_isl" != "xno" &&
1647 test "x$with_cloog" != "xno"; then
1649 dnl Provide configure switches and initialize islinc & isllibs
1650 dnl with user input.
1652 dnl The versions of ISL that work for Graphite
1653 ISL_CHECK_VERSION(0,10)
1654 if test "${gcc_cv_isl}" = no ; then
1655 ISL_CHECK_VERSION(0,11)
1657 dnl Only execute fail-action, if ISL has been requested.
1659 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1661 if test "x$gcc_cv_isl" != "xno"; then
1663 dnl Provide configure switches and initialize clooginc & clooglibs
1664 dnl with user input.
1666 dnl The versions of CLooG that work for Graphite.
1667 CLOOG_CHECK_VERSION(0,17,0)
1668 if test "${gcc_cv_cloog}" = no ; then
1669 CLOOG_CHECK_VERSION(0,18,0)
1672 dnl Only execute fail-action, if CLooG has been requested.
1674 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1678 # If either the ISL or the CLooG check failed, disable builds of in-tree
1680 if test "x$with_isl" = xno ||
1681 test "x$with_cloog" = xno ||
1682 test "x$gcc_cv_cloog" = xno ||
1683 test "x$gcc_cv_isl" = xno; then
1684 noconfigdirs="$noconfigdirs cloog isl"
1695 # Check for LTO support.
1697 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1698 enable_lto=$enableval,
1699 enable_lto=yes; default_enable_lto=yes)
1701 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1702 build_lto_plugin=yes
1703 ],[if test x"$default_enable_lto" = x"yes" ; then
1705 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1706 # On other non-ELF platforms, LTO has yet to be validated.
1710 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1711 # It would also be nice to check the binutils support, but we don't
1712 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1713 # warn during gcc/ subconfigure; unless you're bootstrapping with
1714 # -flto it won't be needed until after installation anyway.
1716 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1717 *) if test x"$enable_lto" = x"yes"; then
1718 AC_MSG_ERROR([LTO support is not enabled for this target.])
1723 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1724 # Build it unless LTO was explicitly disabled.
1726 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1732 # By default, C and C++ are the only stage 1 languages.
1733 stage1_languages=,c,
1735 # Target libraries that we bootstrap.
1736 bootstrap_target_libs=,target-libgcc,
1738 # Figure out what language subdirectories are present.
1739 # Look if the user specified --enable-languages="..."; if not, use
1740 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1742 # NB: embedded tabs in this IF block -- do not untabify
1743 if test -d ${srcdir}/gcc; then
1744 if test x"${enable_languages+set}" != xset; then
1745 if test x"${LANGUAGES+set}" = xset; then
1746 enable_languages="${LANGUAGES}"
1747 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1749 enable_languages=all
1752 if test x"${enable_languages}" = x ||
1753 test x"${enable_languages}" = xyes;
1755 echo configure.in: --enable-languages needs at least one language argument 1>&2
1759 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1761 # 'f95' is the old name for the 'fortran' language. We issue a warning
1762 # and make the substitution.
1763 case ,${enable_languages}, in
1765 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1766 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1770 # If bootstrapping, C++ must be enabled.
1771 case ",$enable_languages,:$enable_bootstrap" in
1774 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1775 enable_languages="${enable_languages},c++"
1777 AC_MSG_ERROR([bootstrapping requires c++ sources])
1782 # First scan to see if an enabled language requires some other language.
1783 # We assume that a given config-lang.in will list all the language
1784 # front ends it requires, even if some are required indirectly.
1785 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1786 case ${lang_frag} in
1788 # The odd quoting in the next line works around
1789 # an apparent bug in bash 1.12 on linux.
1790 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1792 # From the config-lang.in, get $language, $lang_requires, and
1793 # $lang_requires_boot_languages.
1796 lang_requires_boot_languages=
1798 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1799 case ,${enable_languages}, in
1803 echo " \`$other' language required by \`$language'; enabling" 1>&2
1804 enable_languages="${enable_languages},${other}"
1808 for other in ${lang_requires_boot_languages} ; do
1809 if test "$other" != "c"; then
1810 case ,${enable_stage1_languages}, in
1814 case ,${enable_languages}, in
1816 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1817 enable_stage1_languages="$enable_stage1_languages,${other}"
1828 new_enable_languages=,c,
1830 # If LTO is enabled, add the LTO front end.
1831 extra_host_libiberty_configure_flags=
1832 if test "$enable_lto" = "yes" ; then
1833 case ,${enable_languages}, in
1835 *) enable_languages="${enable_languages},lto" ;;
1837 if test "${build_lto_plugin}" = "yes" ; then
1838 configdirs="$configdirs lto-plugin"
1839 extra_host_libiberty_configure_flags=--enable-shared
1842 AC_SUBST(extra_host_libiberty_configure_flags)
1844 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1845 potential_languages=,c,
1847 enabled_target_libs=
1848 disabled_target_libs=
1850 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1851 case ${lang_frag} in
1853 # The odd quoting in the next line works around
1854 # an apparent bug in bash 1.12 on linux.
1855 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1857 # From the config-lang.in, get $language, $target_libs,
1858 # $lang_dirs, $boot_language, and $build_by_default
1864 build_by_default=yes
1866 if test x${language} = x; then
1867 echo "${lang_frag} doesn't set \$language." 1>&2
1871 if test "$language" = "c++"; then
1876 case ,${enable_languages}, in
1878 # Language was explicitly selected; include it
1879 # unless it is C, which is enabled by default.
1880 if test "$language" != "c"; then
1885 # 'all' was selected, select it if it is a default language
1886 if test "$language" != "c"; then
1887 add_this_lang=${build_by_default}
1892 # Disable languages that need other directories if these aren't available.
1893 for i in $subdir_requires; do
1894 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1895 case ,${enable_languages}, in
1897 # Specifically requested language; tell them.
1898 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1902 add_this_lang=unsupported
1907 # Disable Ada if no preexisting GNAT is available.
1908 case ,${enable_languages},:${language}:${have_gnat} in
1909 *,${language},*:ada:no)
1910 # Specifically requested language; tell them.
1911 AC_MSG_ERROR([GNAT is required to build $language])
1915 add_this_lang=unsupported
1919 # Disable a language that is unsupported by the target.
1920 case " $unsupported_languages " in
1922 add_this_lang=unsupported
1926 case $add_this_lang in
1928 # Remove language-dependent dirs.
1929 disabled_target_libs="$disabled_target_libs $target_libs"
1930 noconfigdirs="$noconfigdirs $lang_dirs"
1933 # Remove language-dependent dirs; still show language as supported.
1934 disabled_target_libs="$disabled_target_libs $target_libs"
1935 noconfigdirs="$noconfigdirs $lang_dirs"
1936 potential_languages="${potential_languages}${language},"
1939 new_enable_languages="${new_enable_languages}${language},"
1940 potential_languages="${potential_languages}${language},"
1941 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1942 enabled_target_libs="$enabled_target_libs $target_libs"
1943 case "${boot_language}:,$enable_stage1_languages," in
1944 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1945 # Add to (comma-separated) list of stage 1 languages.
1946 case ",$stage1_languages," in
1947 *,$language,* | ,yes, | ,all,) ;;
1948 *) stage1_languages="${stage1_languages}${language}," ;;
1950 # We need to bootstrap any supporting libraries.
1951 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1960 # Add target libraries which are only needed for disabled languages
1962 if test -n "$disabled_target_libs"; then
1963 for dir in $disabled_target_libs; do
1964 case " $enabled_target_libs " in
1966 *) noconfigdirs="$noconfigdirs $dir" ;;
1971 AC_ARG_ENABLE(stage1-languages,
1972 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1973 [choose additional languages to build during
1974 stage1. Mostly useful for compiler development])],
1975 [case ,${enable_stage1_languages}, in
1977 # Set it to something that will have no effect in the loop below
1978 enable_stage1_languages=c ;;
1980 enable_stage1_languages=`echo $new_enable_languages | \
1981 sed -e "s/^,//" -e "s/,$//" ` ;;
1983 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1984 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1987 # Add "good" languages from enable_stage1_languages to stage1_languages,
1988 # while "bad" languages go in missing_languages. Leave no duplicates.
1989 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1990 case $potential_languages in
1992 case $stage1_languages in
1994 *) stage1_languages="$stage1_languages$i," ;;
1997 case $missing_languages in
1999 *) missing_languages="$missing_languages$i," ;;
2004 # Remove leading/trailing commas that were added for simplicity
2005 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2006 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2007 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2008 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2010 if test "x$missing_languages" != x; then
2012 The following requested languages could not be built: ${missing_languages}
2013 Supported languages are: ${potential_languages}])
2015 if test "x$new_enable_languages" != "x$enable_languages"; then
2016 echo The following languages will be built: ${new_enable_languages}
2017 enable_languages="$new_enable_languages"
2020 AC_SUBST(stage1_languages)
2021 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2024 # Handle --disable-<component> generically.
2025 for dir in $configdirs $build_configdirs $target_configdirs ; do
2026 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2027 varname=`echo $dirname | sed -e s/+/_/g`
2028 if eval test x\${enable_${varname}} "=" xno ; then
2029 noconfigdirs="$noconfigdirs $dir"
2033 # Check for Boehm's garbage collector
2034 AC_ARG_ENABLE(objc-gc,
2035 [AS_HELP_STRING([--enable-objc-gc],
2036 [enable use of Boehm's garbage collector with the
2037 GNU Objective-C runtime])],
2038 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2039 *,objc,*:*:yes:*target-boehm-gc*)
2040 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2044 # Make sure we only build Boehm's garbage collector if required.
2045 case ,${enable_languages},:${enable_objc_gc} in
2047 # Keep target-boehm-gc if requested for Objective-C.
2050 # Otherwise remove target-boehm-gc depending on target-libjava.
2051 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2052 noconfigdirs="$noconfigdirs target-boehm-gc"
2057 # Disable libitm, libsanitizer, libvtv if we're not building C++
2058 case ,${enable_languages}, in
2061 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
2065 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2066 # $build_configdirs and $target_configdirs.
2067 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2070 for dir in . $skipdirs $noconfigdirs ; do
2071 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2072 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2073 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2074 if test -r $srcdir/$dirname/configure ; then
2075 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2078 notsupp="$notsupp $dir"
2082 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2083 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2084 if test -r $srcdir/$dirname/configure ; then
2085 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2088 notsupp="$notsupp $dir"
2092 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2093 target_configdirs=`echo " ${target_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"
2104 # Quietly strip out all directories which aren't configurable in this tree.
2105 # This relies on all configurable subdirectories being autoconfiscated, which
2107 build_configdirs_all="$build_configdirs"
2109 for i in ${build_configdirs_all} ; do
2110 j=`echo $i | sed -e s/build-//g`
2111 if test -f ${srcdir}/$j/configure ; then
2112 build_configdirs="${build_configdirs} $i"
2116 configdirs_all="$configdirs"
2118 for i in ${configdirs_all} ; do
2119 if test -f ${srcdir}/$i/configure ; then
2120 configdirs="${configdirs} $i"
2124 target_configdirs_all="$target_configdirs"
2126 for i in ${target_configdirs_all} ; do
2127 j=`echo $i | sed -e s/target-//g`
2128 if test -f ${srcdir}/$j/configure ; then
2129 target_configdirs="${target_configdirs} $i"
2133 # Produce a warning message for the subdirs we can't configure.
2134 # This isn't especially interesting in the Cygnus tree, but in the individual
2135 # FSF releases, it's important to let people know when their machine isn't
2136 # supported by the one or two programs in a package.
2138 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2139 # If $appdirs is non-empty, at least one of those directories must still
2140 # be configured, or we error out. (E.g., if the gas release supports a
2141 # specified target in some subdirs but not the gas subdir, we shouldn't
2142 # pretend that all is well.)
2143 if test -n "$appdirs" ; then
2144 for dir in $appdirs ; do
2145 if test -r $dir/Makefile.in ; then
2146 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2150 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2156 if test -n "$appdirs" ; then
2157 echo "*** This configuration is not supported by this package." 1>&2
2161 # Okay, some application will build, or we don't care to check. Still
2162 # notify of subdirs not getting built.
2163 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2164 echo " ${notsupp}" 1>&2
2165 echo " (Any other directories should still work fine.)" 1>&2
2173 # To find our prefix, in gcc_cv_tool_prefix.
2178 AC_ARG_WITH([build-sysroot],
2179 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2180 [use sysroot as the system root during the build])],
2181 [if test x"$withval" != x ; then
2182 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2184 [SYSROOT_CFLAGS_FOR_TARGET=])
2185 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2187 AC_ARG_WITH([debug-prefix-map],
2188 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2189 [map A to B, C to D ... in debug information])],
2190 [if test x"$withval" != x; then
2191 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2192 for debug_map in $withval; do
2193 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2196 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2197 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2199 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2200 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2201 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2202 # We want to ensure that TARGET libraries (which we know are built with
2203 # gcc) are built with "-O2 -g", so include those options when setting
2204 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2205 if test "x$CFLAGS_FOR_TARGET" = x; then
2206 CFLAGS_FOR_TARGET=$CFLAGS
2209 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2212 *" -g "* | *" -g3 "*) ;;
2213 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2216 AC_SUBST(CFLAGS_FOR_TARGET)
2218 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2219 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2220 case " $CXXFLAGS " in
2222 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2224 case " $CXXFLAGS " in
2225 *" -g "* | *" -g3 "*) ;;
2226 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2229 AC_SUBST(CXXFLAGS_FOR_TARGET)
2231 AC_SUBST(LDFLAGS_FOR_TARGET)
2233 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2234 # the named directory are copied to $(tooldir)/sys-include.
2235 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2236 if test x${is_cross_compiler} = xno ; then
2237 echo 1>&2 '***' --with-headers is only supported when cross compiling
2240 if test x"${with_headers}" != xyes ; then
2241 x=${gcc_cv_tool_prefix}
2242 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2246 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2247 # the name directories are copied to $(tooldir)/lib. Multiple directories
2249 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2250 if test x${is_cross_compiler} = xno ; then
2251 echo 1>&2 '***' --with-libs is only supported when cross compiling
2254 if test x"${with_libs}" != xyes ; then
2255 # Copy the libraries in reverse order, so that files in the first named
2256 # library override files in subsequent libraries.
2257 x=${gcc_cv_tool_prefix}
2258 for l in ${with_libs}; do
2259 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2264 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2266 # This is done by determining whether or not the appropriate directory
2267 # is available, and by checking whether or not specific configurations
2268 # have requested that this magic not happen.
2270 # The command line options always override the explicit settings in
2271 # configure.in, and the settings in configure.in override this magic.
2273 # If the default for a toolchain is to use GNU as and ld, and you don't
2274 # want to do that, then you should use the --without-gnu-as and
2275 # --without-gnu-ld options for the configure script. Similarly, if
2276 # the default is to use the included zlib and you don't want to do that,
2277 # you should use the --with-system-zlib option for the configure script.
2279 if test x${use_gnu_as} = x &&
2280 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2282 extra_host_args="$extra_host_args --with-gnu-as"
2285 if test x${use_gnu_ld} = x &&
2286 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2288 extra_host_args="$extra_host_args --with-gnu-ld"
2291 if test x${use_included_zlib} = x &&
2292 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2295 with_system_zlib=yes
2296 extra_host_args="$extra_host_args --with-system-zlib"
2299 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2300 # can detect this case.
2302 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2304 extra_host_args="$extra_host_args --with-newlib"
2307 # Handle ${copy_dirs}
2308 set fnord ${copy_dirs}
2310 while test $# != 0 ; do
2311 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2314 echo Copying $1 to $2
2316 # Use the install script to create the directory and all required
2317 # parent directories.
2318 if test -d $2 ; then
2322 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2325 # Copy the directory, assuming we have tar.
2326 # FIXME: Should we use B in the second tar? Not all systems support it.
2327 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2329 # It is the responsibility of the user to correctly adjust all
2330 # symlinks. If somebody can figure out how to handle them correctly
2331 # here, feel free to add the code.
2338 # Determine a target-dependent exec_prefix that the installed
2339 # gcc will search in. Keep this list sorted by triplet, with
2340 # the *-*-osname triplets last.
2343 i[[34567]]86-pc-msdosdjgpp*)
2344 md_exec_prefix=/dev/env/DJDIR/bin
2349 md_exec_prefix=/usr/ccs/bin
2353 extra_arflags_for_target=
2354 extra_nmflags_for_target=
2355 extra_ranlibflags_for_target=
2356 target_makefile_frag=/dev/null
2359 target_makefile_frag="config/mt-spu"
2361 mips*-sde-elf* | mips*-mti-elf*)
2362 target_makefile_frag="config/mt-sde"
2364 mipsisa*-*-elfoabi*)
2365 target_makefile_frag="config/mt-mips-elfoabi"
2367 mips*-*-*linux* | mips*-*-gnu*)
2368 target_makefile_frag="config/mt-mips-gnu"
2370 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2371 target_makefile_frag="config/mt-gnu"
2373 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2374 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2375 # commands to handle both 32-bit and 64-bit objects. These flags are
2376 # harmless if we're using GNU nm or ar.
2377 extra_arflags_for_target=" -X32_64"
2378 extra_nmflags_for_target=" -B -X32_64"
2382 alphaieee_frag=/dev/null
2385 # This just makes sure to use the -mieee option to build target libs.
2386 # This should probably be set individually by each library.
2387 alphaieee_frag="config/mt-alphaieee"
2391 # If --enable-target-optspace always use -Os instead of -O2 to build
2392 # the target libraries, similarly if it is not specified, use -Os
2393 # on selected platforms.
2394 ospace_frag=/dev/null
2395 case "${enable_target_optspace}:${target}" in
2397 ospace_frag="config/mt-ospace"
2400 ospace_frag="config/mt-d30v"
2402 :m32r-* | :d10v-* | :fr30-*)
2403 ospace_frag="config/mt-ospace"
2408 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2412 # Some systems (e.g., one of the i386-aix systems the gas testers are
2413 # using) don't handle "\$" correctly, so don't use it here.
2414 tooldir='${exec_prefix}'/${target_noncanonical}
2415 build_tooldir=${tooldir}
2417 # Create a .gdbinit file which runs the one in srcdir
2418 # and tells GDB to look there for source files.
2420 if test -r ${srcdir}/.gdbinit ; then
2423 *) cat > ./.gdbinit <<EOF
2427 source ${srcdir}/.gdbinit
2433 # Make sure that the compiler is able to generate an executable. If it
2434 # can't, we are probably in trouble. We don't care whether we can run the
2435 # executable--we might be using a cross compiler--we only care whether it
2436 # can be created. At this point the main configure script has set CC.
2438 echo "int main () { return 0; }" > conftest.c
2439 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2440 if test $? = 0 ; then
2441 if test -s conftest || test -s conftest.exe ; then
2447 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2448 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2455 # Decide which environment variable is used to find dynamic libraries.
2457 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2458 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2459 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2460 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2463 # On systems where the dynamic library environment variable is PATH,
2464 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2465 # built executables to PATH.
2466 if test "$RPATH_ENVVAR" = PATH; then
2467 GCC_SHLIB_SUBDIR=/shlib
2472 # Record target_configdirs and the configure arguments for target and
2473 # build configuration in Makefile.
2474 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2475 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2477 # If we are building libgomp, bootstrap it.
2478 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2479 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2482 # If we are building libsanitizer, bootstrap it.
2483 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2484 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2487 # If we are building libvtv, bootstrap it.
2488 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then
2489 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2492 # Determine whether gdb needs tk/tcl or not.
2493 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2494 # and in that case we want gdb to be built without tk. Ugh!
2495 # In fact I believe gdb is the *only* package directly dependent on tk,
2496 # so we should be able to put the 'maybe's in unconditionally and
2497 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2498 # 100% sure that that's safe though.
2500 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2501 case "$enable_gdbtk" in
2505 GDB_TK="${gdb_tk}" ;;
2507 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2508 # distro. Eventually someone will fix this and move Insight, nee
2509 # gdbtk to a separate directory.
2510 if test -d ${srcdir}/gdb/gdbtk ; then
2517 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2518 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2520 # Strip out unwanted targets.
2522 # While at that, we remove Makefiles if we were started for recursive
2523 # configuration, so that the top-level Makefile reconfigures them,
2524 # like we used to do when configure itself was recursive.
2526 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2527 # but now we're fixing up the Makefile ourselves with the additional
2528 # commands passed to AC_CONFIG_FILES. Use separate variables
2529 # extrasub-{build,host,target} not because there is any reason to split
2530 # the substitutions up that way, but only to remain below the limit of
2531 # 99 commands in a script, for HP-UX sed.
2532 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2534 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2535 yes:yes:*\ gold\ *:*,c++,*) ;;
2536 yes:yes:*\ gold\ *:*)
2537 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2541 # Adjust the toplevel makefile according to whether bootstrap was selected.
2542 case $enable_bootstrap in
2544 bootstrap_suffix=bootstrap
2545 BUILD_CONFIG=bootstrap-debug
2548 bootstrap_suffix=no-bootstrap
2553 AC_MSG_CHECKING(for default BUILD_CONFIG)
2555 AC_ARG_WITH([build-config],
2556 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2557 [use config/NAME.mk build configuration])],
2558 [case $with_build_config in
2559 yes) with_build_config= ;;
2560 no) with_build_config= BUILD_CONFIG= ;;
2563 if test "x${with_build_config}" != x; then
2564 BUILD_CONFIG=$with_build_config
2566 case $BUILD_CONFIG in
2568 if echo "int f (void) { return 0; }" > conftest.c &&
2569 ${CC} -c conftest.c &&
2570 mv conftest.o conftest.o.g0 &&
2571 ${CC} -c -g conftest.c &&
2572 mv conftest.o conftest.o.g &&
2573 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2578 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2582 AC_MSG_RESULT($BUILD_CONFIG)
2583 AC_SUBST(BUILD_CONFIG)
2586 for module in ${build_configdirs} ; do
2587 if test -z "${no_recursion}" \
2588 && test -f ${build_subdir}/${module}/Makefile; then
2589 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2590 rm -f ${build_subdir}/${module}/Makefile
2592 extrasub_build="$extrasub_build
2593 /^@if build-$module\$/d
2594 /^@endif build-$module\$/d
2595 /^@if build-$module-$bootstrap_suffix\$/d
2596 /^@endif build-$module-$bootstrap_suffix\$/d"
2599 for module in ${configdirs} ; do
2600 if test -z "${no_recursion}"; then
2601 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2602 if test -f ${file}; then
2603 echo 1>&2 "*** removing ${file} to force reconfigure"
2608 extrasub_host="$extrasub_host
2610 /^@endif $module\$/d
2611 /^@if $module-$bootstrap_suffix\$/d
2612 /^@endif $module-$bootstrap_suffix\$/d"
2615 for module in ${target_configdirs} ; do
2616 if test -z "${no_recursion}" \
2617 && test -f ${target_subdir}/${module}/Makefile; then
2618 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2619 rm -f ${target_subdir}/${module}/Makefile
2622 # We only bootstrap target libraries listed in bootstrap_target_libs.
2623 case $bootstrap_target_libs in
2624 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2625 *) target_bootstrap_suffix=no-bootstrap ;;
2628 extrasub_target="$extrasub_target
2629 /^@if target-$module\$/d
2630 /^@endif target-$module\$/d
2631 /^@if target-$module-$target_bootstrap_suffix\$/d
2632 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2635 # Do the final fixup along with target modules.
2636 extrasub_target="$extrasub_target
2637 /^@if /,/^@endif /d"
2639 # Create the serialization dependencies. This uses a temporary file.
2641 AC_ARG_ENABLE([serial-configure],
2642 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2643 [force sequential configuration of
2644 sub-packages for the host, target or build
2645 machine, or all sub-packages])])
2647 case ${enable_serial_configure} in
2649 enable_serial_build_configure=yes
2650 enable_serial_host_configure=yes
2651 enable_serial_target_configure=yes
2655 # These force 'configure's to be done one at a time, to avoid problems
2656 # with contention over a shared config.cache.
2658 echo '# serdep.tmp' > serdep.tmp
2660 test "x${enable_serial_build_configure}" = xyes &&
2661 for item in ${build_configdirs} ; do
2664 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2669 test "x${enable_serial_host_configure}" = xyes &&
2670 for item in ${configdirs} ; do
2673 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2678 test "x${enable_serial_target_configure}" = xyes &&
2679 for item in ${target_configdirs} ; do
2682 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2686 serialization_dependencies=serdep.tmp
2687 AC_SUBST_FILE(serialization_dependencies)
2689 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2690 # target, nonopt, and variable assignments. These are the ones we
2691 # might not want to pass down to subconfigures. The exception being
2692 # --cache-file=/dev/null, which is used to turn off the use of cache
2693 # files altogether, and which should be passed on to subconfigures.
2694 # Also strip program-prefix, program-suffix, and program-transform-name,
2695 # so that we can pass down a consistent program-transform-name.
2700 eval "set -- $ac_configure_args"
2703 if test X"$skip_next" = X"yes"; then
2707 if test X"$keep_next" = X"yes"; then
2710 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2712 baseargs="$baseargs '$ac_arg'"
2713 tbaseargs="$tbaseargs '$ac_arg'"
2718 # Handle separated arguments. Based on the logic generated by
2721 *=* | --config-cache | -C | -disable-* | --disable-* \
2722 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2723 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2724 | -with-* | --with-* | -without-* | --without-* | --x)
2738 --with-* | --without-*)
2739 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2743 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2746 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2755 mpc | mpfr | gmp | cloog)
2756 # If we're processing --with-$lib, --with-$lib-include or
2757 # --with-$lib-lib, for one of the libs above, and target is
2758 # different from host, don't pass the current argument to any
2759 # target library's configure.
2760 if test x$is_cross_compiler = xyes; then
2769 --cache-file=/dev/null | \
2770 -cache-file=/dev/null )
2771 # Handled here to avoid the test to skip args below.
2772 baseargs="$baseargs '$ac_arg'"
2773 tbaseargs="$tbaseargs '$ac_arg'"
2774 # Assert: $separate_arg should always be no.
2775 keep_next=$separate_arg
2791 -program-prefix* | \
2792 -program-suffix* | \
2793 -program-transform-name* )
2794 skip_next=$separate_arg
2798 # An option. Add it.
2801 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2803 baseargs="$baseargs '$ac_arg'"
2804 if test X"$skip_targ" = Xno; then
2805 tbaseargs="$tbaseargs '$ac_arg'"
2807 keep_next=$separate_arg
2810 # Either a variable assignment, or a nonopt (triplet). Don't
2811 # pass it down; let the Makefile handle this.
2816 # Remove the initial space we just introduced and, as these will be
2817 # expanded by make, quote '$'.
2818 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2820 # Add in --program-transform-name, after --program-prefix and
2821 # --program-suffix have been applied to it. Autoconf has already
2822 # doubled dollar signs and backslashes in program_transform_name; we want
2823 # the backslashes un-doubled, and then the entire thing wrapped in single
2824 # quotes, because this will be expanded first by make and then by the shell.
2825 # Also, because we want to override the logic in subdir configure scripts to
2826 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2827 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2828 ${program_transform_name}
2830 gcc_transform_name=`cat conftestsed.out`
2831 rm -f conftestsed.out
2832 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2833 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2834 if test "$silent" = yes; then
2835 baseargs="$baseargs --silent"
2836 tbaseargs="$tbaseargs --silent"
2838 baseargs="$baseargs --disable-option-checking"
2839 tbaseargs="$tbaseargs --disable-option-checking"
2841 # Record and document user additions to sub configure arguments.
2842 AC_ARG_VAR([build_configargs],
2843 [additional configure arguments for build directories])
2844 AC_ARG_VAR([host_configargs],
2845 [additional configure arguments for host directories])
2846 AC_ARG_VAR([target_configargs],
2847 [additional configure arguments for target directories])
2849 # For the build-side libraries, we just need to pretend we're native,
2850 # and not use the same cache file. Multilibs are neither needed nor
2852 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2854 # For host modules, accept cache file option, or specification as blank.
2855 case "${cache_file}" in
2857 cache_file_option="" ;;
2858 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2859 cache_file_option="--cache-file=${cache_file}" ;;
2861 cache_file_option="--cache-file=../${cache_file}" ;;
2864 # Host dirs don't like to share a cache file either, horribly enough.
2865 # This seems to be due to autoconf 2.5x stupidity.
2866 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2868 target_configargs="$target_configargs ${tbaseargs}"
2870 # Passing a --with-cross-host argument lets the target libraries know
2871 # whether they are being built with a cross-compiler or being built
2872 # native. However, it would be better to use other mechanisms to make the
2873 # sorts of decisions they want to make on this basis. Please consider
2874 # this option to be deprecated. FIXME.
2875 if test x${is_cross_compiler} = xyes ; then
2876 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2879 # Default to --enable-multilib.
2880 if test x${enable_multilib} = x ; then
2881 target_configargs="--enable-multilib ${target_configargs}"
2884 # Pass --with-newlib if appropriate. Note that target_configdirs has
2885 # changed from the earlier setting of with_newlib.
2886 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2887 target_configargs="--with-newlib ${target_configargs}"
2890 # Different target subdirs use different values of certain variables
2891 # (notably CXX). Worse, multilibs use *lots* of different values.
2892 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2893 # it doesn't automatically accept command-line overrides of them.
2894 # This means it's not safe for target subdirs to share a cache file,
2895 # which is disgusting, but there you have it. Hopefully this can be
2896 # fixed in future. It's still worthwhile to use a cache file for each
2897 # directory. I think.
2899 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2900 # We need to pass --target, as newer autoconf's requires consistency
2901 # for target_alias and gcc doesn't manage it consistently.
2902 target_configargs="--cache-file=./config.cache ${target_configargs}"
2905 case " $target_configdirs " in
2907 case " $target_configargs " in
2908 *" --with-newlib "*)
2911 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2915 # If we're not building GCC, don't discard standard headers.
2916 if test -d ${srcdir}/gcc; then
2917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2919 if test "${build}" != "${host}"; then
2920 # On Canadian crosses, CC_FOR_TARGET will have already been set
2921 # by `configure', so we won't have an opportunity to add -Bgcc/
2922 # to it. This is right: we don't want to search that directory
2923 # for binaries, but we want the header files in there, so add
2925 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2927 # Someone might think of using the pre-installed headers on
2928 # Canadian crosses, in case the installed compiler is not fully
2929 # compatible with the compiler being built. In this case, it
2930 # would be better to flag an error than risking having
2931 # incompatible object files being constructed. We can't
2932 # guarantee that an error will be flagged, but let's hope the
2933 # compiler will do it, when presented with incompatible header
2938 case "${target}-${is_cross_compiler}" in
2939 i[[3456789]]86-*-linux*-no)
2940 # Here host == target, so we don't need to build gcc,
2941 # so we don't want to discard standard headers.
2942 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2945 # If we're building newlib, use its generic headers last, but search
2946 # for any libc-related directories first (so make it the last -B
2948 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2950 # If we're building libgloss, find the startup file, simulator library
2951 # and linker script.
2952 case " $target_configdirs " in
2954 # Look for startup file, simulator library and maybe linker script.
2955 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2956 # Look for libnosys.a in case the target needs it.
2957 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2958 # Most targets have the linker script in the source directory.
2959 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2970 x86_64-*mingw* | *-w64-mingw*)
2971 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2972 # however, use a symlink named 'mingw' in ${prefix} .
2973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2976 # MinGW can't be handled as Cygwin above since it does not use newlib.
2977 FLAGS_FOR_TARGET=$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'
2981 # Allow the user to override the flags for
2982 # our build compiler if desired.
2983 if test x"${build}" = x"${host}" ; then
2984 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2985 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2986 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2989 # On Canadian crosses, we'll be searching the right directories for
2990 # the previously-installed cross compiler, so don't bother to add
2991 # flags for directories within the install tree of the compiler
2992 # being built; programs in there won't even run.
2993 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2994 # Search for pre-installed headers if nothing else fits.
2995 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2998 if test "x${use_gnu_ld}" = x &&
2999 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3000 # Arrange for us to find uninstalled linker scripts.
3001 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3004 # Search for other target-specific linker scripts and such.
3007 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3011 # Makefile fragments.
3012 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3014 eval fragval=\$$frag
3015 if test $fragval != /dev/null; then
3016 eval $frag=${srcdir}/$fragval
3019 AC_SUBST_FILE(host_makefile_frag)
3020 AC_SUBST_FILE(target_makefile_frag)
3021 AC_SUBST_FILE(alphaieee_frag)
3022 AC_SUBST_FILE(ospace_frag)
3024 # Miscellanea: directories, flags, etc.
3025 AC_SUBST(RPATH_ENVVAR)
3026 AC_SUBST(GCC_SHLIB_SUBDIR)
3028 AC_SUBST(build_tooldir)
3029 AC_SUBST(CONFIGURE_GDB_TK)
3031 AC_SUBST(INSTALL_GDB_TK)
3033 # Build module lists & subconfigure args.
3034 AC_SUBST(build_configargs)
3035 AC_SUBST(build_configdirs)
3037 # Host module lists & subconfigure args.
3038 AC_SUBST(host_configargs)
3039 AC_SUBST(configdirs)
3040 AC_SUBST(target_configdirs)
3042 # Target module lists & subconfigure args.
3043 AC_SUBST(target_configargs)
3047 AC_SUBST(AR_FOR_BUILD)
3048 AC_SUBST(AS_FOR_BUILD)
3049 AC_SUBST(CC_FOR_BUILD)
3050 AC_SUBST(CFLAGS_FOR_BUILD)
3051 AC_SUBST(CXXFLAGS_FOR_BUILD)
3052 AC_SUBST(CXX_FOR_BUILD)
3053 AC_SUBST(DLLTOOL_FOR_BUILD)
3054 AC_SUBST(GCJ_FOR_BUILD)
3055 AC_SUBST(GFORTRAN_FOR_BUILD)
3056 AC_SUBST(GOC_FOR_BUILD)
3057 AC_SUBST(LDFLAGS_FOR_BUILD)
3058 AC_SUBST(LD_FOR_BUILD)
3059 AC_SUBST(NM_FOR_BUILD)
3060 AC_SUBST(RANLIB_FOR_BUILD)
3061 AC_SUBST(WINDMC_FOR_BUILD)
3062 AC_SUBST(WINDRES_FOR_BUILD)
3064 # Generate default definitions for YACC, M4, LEX and other programs that run
3065 # on the build machine. These are used if the Makefile can't locate these
3066 # programs in objdir.
3067 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3069 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3070 case " $build_configdirs " in
3071 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3074 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3075 case " $build_configdirs " in
3076 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3079 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3080 case " $build_configdirs " in
3081 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3084 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3085 case " $build_configdirs " in
3086 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3087 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3090 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3091 case " $build_configdirs " in
3092 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3095 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3096 case " $build_configdirs " in
3097 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3100 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3101 # higher, else we use the "missing" dummy.
3102 if ${MAKEINFO} --version \
3103 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3106 MAKEINFO="$MISSING makeinfo"
3112 # FIXME: expect and dejagnu may become build tools?
3114 AC_CHECK_PROGS(EXPECT, expect, expect)
3115 case " $configdirs " in
3117 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3121 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3122 case " $configdirs " in
3124 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3130 NCN_STRICT_CHECK_TOOLS(AR, ar)
3131 NCN_STRICT_CHECK_TOOLS(AS, as)
3132 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3133 NCN_STRICT_CHECK_TOOLS(LD, ld)
3134 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3135 NCN_STRICT_CHECK_TOOLS(NM, nm)
3136 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3137 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3138 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3139 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3140 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3141 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3142 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3149 AC_ARG_WITH([build-time-tools],
3150 [AS_HELP_STRING([--with-build-time-tools=PATH],
3151 [use given path to find target tools during the build])],
3152 [case x"$withval" in
3155 with_build_time_tools=
3156 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3159 [with_build_time_tools=])
3161 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3162 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3163 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3164 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3165 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3166 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3168 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3169 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3170 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3171 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3172 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3173 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3174 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3175 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3176 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3177 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3178 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3179 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3181 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3183 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3184 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3185 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3186 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3187 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3188 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3190 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3191 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3193 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3194 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3195 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3196 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3197 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3198 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3199 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3200 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3201 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3202 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3203 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3204 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3205 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3206 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3207 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3208 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3209 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3211 AC_SUBST(FLAGS_FOR_TARGET)
3212 AC_SUBST(RAW_CXX_FOR_TARGET)
3214 # Certain tools may need extra flags.
3215 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3216 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3217 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3219 # When building target libraries, except in a Canadian cross, we use
3220 # the same toolchain as the compiler we just built.
3221 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3222 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3223 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3224 if test $host = $build; then
3225 case " $configdirs " in
3227 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3228 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3229 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3234 AC_SUBST(COMPILER_AS_FOR_TARGET)
3235 AC_SUBST(COMPILER_LD_FOR_TARGET)
3236 AC_SUBST(COMPILER_NM_FOR_TARGET)
3238 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3239 AC_ARG_ENABLE(maintainer-mode,
3240 [AS_HELP_STRING([--enable-maintainer-mode],
3241 [enable make rules and dependencies not useful
3242 (and sometimes confusing) to the casual installer])],
3243 USE_MAINTAINER_MODE=$enableval,
3244 USE_MAINTAINER_MODE=no)
3245 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3246 AC_SUBST(MAINTAINER_MODE_TRUE)
3247 AC_SUBST(MAINTAINER_MODE_FALSE)
3248 if test "$USE_MAINTAINER_MODE" = yes; then
3249 MAINTAINER_MODE_TRUE=
3250 MAINTAINER_MODE_FALSE='#'
3252 MAINTAINER_MODE_TRUE='#'
3253 MAINTAINER_MODE_FALSE=
3255 MAINT=$MAINTAINER_MODE_TRUE
3258 # ---------------------
3259 # GCC bootstrap support
3260 # ---------------------
3262 # Stage specific cflags for build.
3267 yes) stage1_cflags="-g -Wa,-J" ;;
3268 *) stage1_cflags="-g -J" ;;
3272 AC_SUBST(stage1_cflags)
3274 # Enable --enable-checking in stage1 of the compiler.
3275 AC_ARG_ENABLE(stage1-checking,
3276 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3277 [choose additional checking for stage1 of the compiler])],
3278 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3279 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3280 stage1_checking=--enable-checking=yes,types
3282 stage1_checking=--enable-checking=$enable_checking,types
3284 AC_SUBST(stage1_checking)
3286 # Enable -Werror in bootstrap stage2 and later.
3287 AC_ARG_ENABLE(werror,
3288 [AS_HELP_STRING([--enable-werror],
3289 [enable -Werror in bootstrap stage2 and later])], [],
3290 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3295 case ${enable_werror} in
3296 yes) stage2_werror_flag="--enable-werror-always" ;;
3297 *) stage2_werror_flag="" ;;
3299 AC_SUBST(stage2_werror_flag)
3301 # Specify what files to not compare during bootstrap.
3303 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3305 hppa*64*-*-hpux*) ;;
3306 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3307 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3309 AC_SUBST(compare_exclusions)
3311 AC_CONFIG_FILES([Makefile],
3312 [sed "$extrasub_build" Makefile |
3313 sed "$extrasub_host" |
3314 sed "$extrasub_target" > mf$$
3315 mv -f mf$$ Makefile],
3316 [extrasub_build="$extrasub_build"
3317 extrasub_host="$extrasub_host"
3318 extrasub_target="$extrasub_target"])
projects / deliverable / binutils-gdb.git / blob