1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2 # 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
26 # Find the build, host, and target systems.
27 ACX_NONCANONICAL_BUILD
29 ACX_NONCANONICAL_TARGET
31 dnl Autoconf 2.5x and later will set a default program prefix if
32 dnl --target was used, even if it was the same as --host. Disable
33 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
35 test "$host_noncanonical" = "$target_noncanonical" &&
36 test "$program_prefix$program_suffix$program_transform_name" = \
38 program_transform_name=s,y,y,
43 m4_pattern_allow([^AS_FOR_TARGET$])dnl
45 # Get 'install' or 'install-sh' and its variants.
50 ### we might need to use some other shell than /bin/sh for running subshells
51 ### If we are on Windows, search for the shell. This will permit people
52 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
53 ### without also having to set CONFIG_SHELL. This code will work when
54 ### using bash, which sets OSTYPE.
57 if test x${CONFIG_SHELL} = x ; then
58 if test ! -f /bin/sh ; then
59 if test x${SHELL} != x && test -f ${SHELL} ; then
63 for prog in sh sh.exe bash bash.exe; do
64 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
66 test -z "$dir" && dir=.
67 if test -f $dir/$prog; then
68 CONFIG_SHELL=$dir/$prog
74 test -n "${CONFIG_SHELL}" && break
82 config_shell=${CONFIG_SHELL-/bin/sh}
85 # if PWD already has a value, it is probably wrong.
86 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
88 # Export original configure arguments for use by sub-configures. These
89 # will be expanded by make, so quote '$'.
91 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
94 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
96 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
98 moveifchange=${srcdir}/move-if-change
100 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
102 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
104 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
105 INSTALL="${srcpwd}/install-sh -c"
108 # Set srcdir to "." if that's what it is.
109 # This is important for multilib support.
111 if test "${pwd}" = "${srcpwd}" ; then
119 ### To add a new directory to the tree, first choose whether it is a target
120 ### or a host dependent tool. Then put it into the appropriate list
121 ### (library or tools, host or target), doing a dependency sort.
123 # Subdirs will be configured in the order listed in build_configdirs,
124 # configdirs, or target_configdirs; see the serialization section below.
126 # Dependency sorting is only needed when *configuration* must be done in
127 # a particular order. In all cases a dependency should be specified in
128 # the Makefile, whether or not it's implicitly specified here.
130 # Double entries in build_configdirs, configdirs, or target_configdirs may
131 # cause circular dependencies and break everything horribly.
133 # these library is used by various programs built for the build
136 build_libs="build-libiberty"
138 # these tools are built for the build environment
139 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
141 # these libraries are used by various programs built for the host environment
143 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
145 # these tools are built for the host environment
146 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
147 # know that we are building the simulator.
148 # binutils, gas and ld appear in that order because it makes sense to run
149 # "make check" in that particular order.
150 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
152 # libgcj represents the runtime libraries only used by gcj.
153 libgcj="target-libffi \
158 # these libraries are built for the target environment, and are built after
159 # the host libraries and the host tools (which may be a cross compiler)
161 target_libraries="target-libiberty \
165 target-libstdc++-v3 \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list. those programs are also very likely
180 # candidates for the "native_only" list which follows
182 target_tools="target-examples target-groff target-gperf target-rda"
184 ################################################################################
186 ## All tools belong in one of the four categories, and are assigned above
187 ## We assign ${configdirs} this way to remove all embedded newlines. This
188 ## is important because configure will choke if they ever get through.
189 ## ${configdirs} is directories we build using the host tools.
190 ## ${target_configdirs} is directories we build using the target tools.
191 configdirs=`echo ${host_libs} ${host_tools}`
192 target_configdirs=`echo ${target_libraries} ${target_tools}`
193 build_configdirs=`echo ${build_libs} ${build_tools}`
195 ################################################################################
197 srcname="gnu development package"
199 # This gets set non-empty for some net releases of packages.
202 # Define is_cross_compiler to save on calls to 'test'.
204 if test x"${host}" = x"${target}" ; then
207 is_cross_compiler=yes
210 # Find the build and target subdir names.
213 # Skipdirs are removed silently.
215 # Noconfigdirs are removed loudly.
219 # Make sure we don't let GNU ld be added if we didn't want it.
220 if test x$with_gnu_ld = xno ; then
222 noconfigdirs="$noconfigdirs ld"
226 # Make sure we don't let GNU as be added if we didn't want it.
227 if test x$with_gnu_as = xno ; then
229 noconfigdirs="$noconfigdirs gas"
232 # some tools are so dependent upon X11 that if we're not building with X,
233 # it's not even worth trying to configure, much less build, that tool.
236 yes | "") ;; # the default value for this tree is that X11 is available
238 skipdirs="${skipdirs} tk itcl libgui"
239 # We won't be able to build gdbtk without X.
242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
245 # Some tools are only suitable for building in a "native" situation.
246 # Remove these if host!=target.
247 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
249 # Similarly, some are only suitable for cross toolchains.
250 # Remove these if host=target.
251 cross_only="target-libgloss target-newlib target-opcodes"
253 case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
258 # If both --with-headers and --with-libs are specified, default to
260 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
261 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
262 if test x"${with_newlib}" = x ; then
267 # Recognize --with-newlib/--without-newlib.
268 case ${with_newlib} in
269 no) skipdirs="${skipdirs} target-newlib" ;;
270 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
273 # Configure extra directories which are host specific
277 configdirs="$configdirs libtermcap" ;;
280 # A target can indicate whether a language isn't supported for some reason.
281 # Only spaces may be used in this macro; not newlines or tabs.
282 unsupported_languages=
284 # Remove more programs from consideration, based on the host or
285 # target this usually means that a port of the program doesn't
290 noconfigdirs="$noconfigdirs byacc"
292 i[[3456789]]86-*-vsta)
293 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
295 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
296 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
299 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
301 i[[3456789]]86-*-mingw32*)
302 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
303 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
305 i[[3456789]]86-*-beos*)
306 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
309 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
312 noconfigdirs="$noconfigdirs rcs"
315 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
318 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
323 AC_ARG_ENABLE(libada,
324 [ --enable-libada Builds libada directory],
325 ENABLE_LIBADA=$enableval,
327 if test "${ENABLE_LIBADA}" != "yes" ; then
328 noconfigdirs="$noconfigdirs gnattools"
331 AC_ARG_ENABLE(libssp,
332 [ --enable-libssp Builds libssp directory],
333 ENABLE_LIBSSP=$enableval,
336 # Save it here so that, even in case of --enable-libgcj, if the Java
337 # front-end isn't enabled, we still get libgcj disabled.
339 case $enable_libgcj in
341 # If we reset it here, it won't get added to noconfigdirs in the
342 # target-specific build rules, so it will be forcibly enabled
343 # (unless the Java language itself isn't enabled).
347 # Make sure we get it printed in the list of not supported target libs.
348 noconfigdirs="$noconfigdirs ${libgcj}"
353 # Disable libmudflap on some systems.
354 if test x$enable_libmudflap = x ; then
356 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
357 # Enable libmudflap by default in GNU and friends.
360 # Enable libmudflap by default in FreeBSD.
363 # Disable it by default everywhere else.
364 noconfigdirs="$noconfigdirs target-libmudflap"
369 # Disable libgomp on non POSIX hosted systems.
370 if test x$enable_libgomp = x ; then
371 # Enable libgomp by default on hosted POSIX systems.
373 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
375 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
377 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
379 *-*-darwin* | *-*-aix*)
382 noconfigdirs="$noconfigdirs target-libgomp"
390 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
392 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
393 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
394 noconfigdirs="$noconfigdirs sim target-rda"
397 noconfigdirs="$noconfigdirs ld gas gdb gprof"
398 noconfigdirs="$noconfigdirs sim target-rda"
399 noconfigdirs="$noconfigdirs ${libgcj}"
401 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
402 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
405 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
406 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
407 && test -f /usr/local/include/gmp.h; then
411 # Skip some stuff that's unsupported on some FreeBSD configurations.
416 noconfigdirs="$noconfigdirs ${libgcj}"
421 # Remove unsupported stuff on all kaOS configurations.
422 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
423 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
424 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
425 noconfigdirs="$noconfigdirs target-libgloss"
428 # Skip some stuff on all NetBSD configurations.
429 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
431 # Skip some stuff that's unsupported on some NetBSD configurations.
433 i*86-*-netbsdelf*) ;;
434 arm*-*-netbsdelf*) ;;
436 noconfigdirs="$noconfigdirs ${libgcj}"
441 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
444 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
446 # The tpf target doesn't support gdb yet.
448 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
451 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
454 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
457 # ld works, but does not support shared libraries.
458 # newlib is not 64 bit ready. I'm not sure about fileutils.
459 # gas doesn't generate exception information.
460 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
463 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
466 # newlib is not 64 bit ready
467 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
470 # newlib is not 64 bit ready
471 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
474 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
477 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
479 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
480 noconfigdirs="$noconfigdirs ${libgcj}"
481 noconfigdirs="$noconfigdirs target-examples"
482 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
483 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
484 noconfigdirs="$noconfigdirs expect dejagnu"
485 # the C++ libraries don't build on top of CE's C libraries
486 noconfigdirs="$noconfigdirs target-libstdc++-v3"
487 noconfigdirs="$noconfigdirs target-newlib"
489 *-*-cygwin*) ;; # keep gdb and readline
490 *) noconfigdirs="$noconfigdirs gdb readline"
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 arm-*-coff | strongarm-*-coff | xscale-*-coff)
500 noconfigdirs="$noconfigdirs ${libgcj}"
502 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
503 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
505 arm*-*-linux-gnueabi)
506 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
507 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
510 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
513 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
516 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
519 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
522 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
525 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
528 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
531 noconfigdirs="$noconfigdirs gdb"
532 if test x${is_cross_compiler} != xno ; then
533 target_configdirs="${target_configdirs} target-bsp target-cygmon"
537 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
539 c54x*-*-* | tic54x-*-*)
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
542 cris-*-* | crisv32-*-*)
543 unsupported_languages="$unsupported_languages java"
546 unsupported_languages="$unsupported_languages fortran"
547 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
549 unsupported_languages="$unsupported_languages fortran"
550 noconfigdirs="$noconfigdirs target-boehm-gc";;
552 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
554 unsupported_languages="$unsupported_languages fortran"
555 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
559 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
562 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
565 noconfigdirs="$noconfigdirs ${libgcj} gdb"
568 noconfigdirs="$noconfigdirs ${libgcj} gdb"
571 noconfigdirs="$noconfigdirs ${libgcj}"
574 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
577 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
579 hppa1.1-*-osf* | hppa1.1-*-bsd* )
581 hppa*64*-*-linux* | parisc*64*-*-linux*)
582 # In this case, it's because the hppa64-linux target is for
583 # the kernel only at this point and has no libc, and thus no
584 # headers, crt*.o, etc., all of which are needed by these.
585 noconfigdirs="$noconfigdirs target-zlib"
587 parisc*-*-linux* | hppa*-*-linux*)
593 noconfigdirs="$noconfigdirs ${libgcj}"
596 noconfigdirs="$noconfigdirs ld shellutils"
599 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
600 # build on HP-UX 10.20.
601 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
604 noconfigdirs="$noconfigdirs ${libgcj} gdb"
607 # No gdb support yet.
608 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
611 # No gdb or ld support yet.
612 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
616 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
617 noconfigdirs="$noconfigdirs ${libgcj}"
619 i[[3456789]]86-*-linux*)
620 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
621 # not build java stuff by default.
624 noconfigdirs="$noconfigdirs ${libgcj}";;
627 # This section makes it possible to build newlib natively on linux.
628 # If we are using a cross compiler then don't configure newlib.
629 if test x${is_cross_compiler} != xno ; then
630 noconfigdirs="$noconfigdirs target-newlib"
632 noconfigdirs="$noconfigdirs target-libgloss"
633 # If we are not using a cross compiler, do configure newlib.
634 # Note however, that newlib will only be configured in this situation
635 # if the --with-newlib option has been given, because otherwise
636 # 'target-newlib' will appear in skipdirs.
638 i[[3456789]]86-*-mingw32*)
639 target_configdirs="$target_configdirs target-winsup"
640 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
643 target_configdirs="$target_configdirs target-winsup"
644 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
647 target_configdirs="$target_configdirs target-libtermcap target-winsup"
648 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
649 # always build newlib if winsup directory is present.
650 if test -d "$srcdir/winsup/cygwin"; then
651 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
652 elif test -d "$srcdir/newlib"; then
653 echo "Warning: winsup/cygwin is missing so newlib can't be built."
656 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
657 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
660 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
662 i[[3456789]]86-*-sco3.2v5*)
663 # The linker does not yet know about weak symbols in COFF,
664 # and is not configured to handle mixed ELF and COFF.
665 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
667 i[[3456789]]86-*-sco*)
668 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
670 i[[3456789]]86-*-solaris2*)
671 noconfigdirs="$noconfigdirs target-libgloss"
673 i[[3456789]]86-*-sysv4*)
674 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
676 i[[3456789]]86-*-beos*)
677 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
679 i[[3456789]]86-*-rdos*)
680 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
683 noconfigdirs="$noconfigdirs ${libgcj}"
685 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
686 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 # The EPOC C++ environment does not support exceptions or rtti,
696 # and so building libstdc++-v3 tends not to always work.
697 noconfigdirs="$noconfigdirs target-libstdc++-v3"
700 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
701 unsupported_languages="$unsupported_languages fortran java"
704 noconfigdirs="$noconfigdirs ${libgcj}"
707 noconfigdirs="$noconfigdirs ${libgcj}"
710 noconfigdirs="$noconfigdirs sim"
713 # copied from rs6000-*-* entry
714 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
716 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
717 target_configdirs="$target_configdirs target-winsup"
718 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
719 # always build newlib.
720 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
722 # This is temporary until we can link against shared libraries
723 powerpcle-*-solaris*)
724 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
727 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs ${libgcj}"
732 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
735 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
738 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
741 noconfigdirs="$noconfigdirs gprof ${libgcj}"
744 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
747 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
750 # Linking libjava exceeds command-line length limits on at least
751 # IRIX 6.2, but not on IRIX 6.5.
752 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
753 # <oldham@codesourcery.com>
754 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
760 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
766 noconfigdirs="$noconfigdirs gprof ${libgcj}"
769 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
773 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
774 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
775 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
776 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
778 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
781 noconfigdirs="$noconfigdirs ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
787 noconfigdirs="$noconfigdirs ${libgcj}"
790 noconfigdirs="$noconfigdirs ${libgcj}"
791 if test x${is_cross_compiler} != xno ; then
792 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
797 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
798 noconfigdirs="$noconfigdirs ${libgcj}"
800 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
803 skipdirs="target-libssp"
806 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
809 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
812 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
815 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
818 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
824 noconfigdirs="$noconfigdirs ${libgcj}"
827 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
829 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
830 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
836 noconfigdirs="$noconfigdirs ${libgcj}"
840 # If we aren't building newlib, then don't build libgloss, since libgloss
841 # depends upon some newlib header files.
842 case "${noconfigdirs}" in
843 *target-libgloss*) ;;
844 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
847 # Work in distributions that contain no compiler tools, like Autoconf.
849 host_makefile_frag=/dev/null
850 if test -d ${srcdir}/config ; then
853 # Avoid "too much defining" errors from HPUX compiler.
854 tentative_cc="cc -Wp,-H256000"
855 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
856 # If it's HP/UX ar, this should be harmless.
860 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
863 #None of the Apollo compilers can compile gas or binutils. The preprocessor
864 # chokes on bfd, the compiler won't let you assign integers to enums, and
865 # other problems. Defining CC to gcc is a questionable way to say "don't use
866 # the apollo compiler" (the preferred version of GCC could be called cc,
867 # or whatever), but I'm not sure leaving CC as cc is any better...
868 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
869 # Used to have BISON=yacc.
873 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
876 # Under CX/UX, we want to tell the compiler to use ANSI mode.
877 tentative_cc="cc -Xa"
878 host_makefile_frag="config/mh-cxux"
883 tentative_cc="cc -Wf,-XNg1000"
884 host_makefile_frag="config/mh-decstation"
887 # The C compiler on NEC MIPS SVR4 needs bigger tables.
888 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
889 host_makefile_frag="config/mh-necv4"
892 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
893 # environment. Also bump switch table size so that cp-parse will
894 # compile. Bump string length limit so linker builds.
895 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
898 host_makefile_frag="config/mh-sysv4"
901 # This is for a MIPS running RISC/os 4.52C.
903 # This is needed for GDB, but needs to be in the top-level make because
904 # if a library is compiled with the bsd headers and gets linked with the
905 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
907 # ptrace(2) apparently has problems in the BSD environment. No workaround is
908 # known except to select the sysv environment. Could we use /proc instead?
909 # These "sysv environments" and "bsd environments" often end up being a pain.
911 # This is not part of CFLAGS because perhaps not all C compilers have this
913 tentative_cc="cc -systype sysv"
918 i[[3456789]]86-*-sysv5*)
919 host_makefile_frag="config/mh-sysv5"
921 i[[3456789]]86-*-dgux*)
922 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
923 host_makefile_frag="config/mh-dgux386"
925 i[[3456789]]86-ncr-sysv4.3*)
926 # The MetaWare compiler will generate a copyright message unless you
927 # turn it off by adding the -Hnocopyr flag.
928 tentative_cc="cc -Hnocopyr"
930 i[[3456789]]86-ncr-sysv4*)
931 # for an NCR 3000 (i486/SVR4) system.
932 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
933 # This compiler not only emits obnoxious copyright messages every time
934 # you run it, but it chokes and dies on a whole bunch of GNU source
935 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
936 tentative_cc="/usr/ccs/ATT/cc"
937 host_makefile_frag="config/mh-ncr3000"
939 i[[3456789]]86-*-sco3.2v5*)
941 i[[3456789]]86-*-sco*)
942 # The native C compiler botches some simple uses of const. Unfortunately,
943 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
944 tentative_cc="cc -Dconst="
945 host_makefile_frag="config/mh-sco"
947 i[[3456789]]86-*-udk*)
948 host_makefile_frag="config/mh-sysv5"
950 i[[3456789]]86-*-solaris2*)
951 host_makefile_frag="config/mh-sysv4"
953 i[[3456789]]86-*-msdosdjgpp*)
954 host_makefile_frag="config/mh-djgpp"
957 host_makefile_frag="config/mh-cygwin"
964 host_makefile_frag="config/mh-interix"
967 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
971 host_makefile_frag="config/mh-solaris"
974 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
975 # without overflowing the jump tables (-J says to use a 32 bit table)
979 tentative_cc="cc -Wp,-H256000"
982 tentative_cc="cc -Wp,-H256000"
985 # /bin/cc is less than useful for our purposes. Always use GCC
986 tentative_cc="/usr/cygnus/progressive/bin/gcc"
987 host_makefile_frag="config/mh-lynxrs6k"
990 host_makefile_frag="config/mh-ppc-darwin"
993 host_makefile_frag="config/mh-ppc-aix"
996 host_makefile_frag="config/mh-ppc-aix"
999 # /bin/cc is less than useful for our purposes. Always use GCC
1000 tentative_cc="/bin/gcc"
1003 host_makefile_frag="config/mh-sysv4"
1005 # This is placed last to prevent interfering with the cases above.
1007 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1008 host_makefile_frag="config/mh-x86omitfp"
1013 # If we aren't going to be using gcc, see if we can extract a definition
1014 # of CC from the fragment.
1015 # Actually, use the 'pre-extracted' version above.
1016 if test -z "${CC}" && test "${build}" = "${host}" ; then
1017 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1019 for dir in $PATH; do
1020 test -z "$dir" && dir=.
1021 if test -f $dir/gcc; then
1027 if test -z "${found}" && test -n "${tentative_cc}" ; then
1032 if test "${build}" != "${host}" ; then
1033 # If we are doing a Canadian Cross, in which the host and build systems
1034 # are not the same, we set reasonable default values for the tools.
1036 CC=${CC-${host_noncanonical}-gcc}
1037 CFLAGS=${CFLAGS-"-g -O2"}
1038 CXX=${CXX-${host_noncanonical}-c++}
1039 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1040 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1043 # Set reasonable default values for some tools even if not Canadian.
1044 # Of course, these are different reasonable default values, originally
1045 # specified directly in the Makefile.
1046 # We don't export, so that autoconf can do its job.
1047 # Note that all these settings are above the fragment inclusion point
1048 # in Makefile.in, so can still be overridden by fragments.
1049 # This is all going to change when we autoconfiscate...
1051 CC_FOR_BUILD="\$(CC)"
1054 # We must set the default linker to the linker used by gcc for the correct
1055 # operation of libtool. If LD is not defined and we are using gcc, try to
1056 # set the LD default to the ld used by gcc.
1057 if test -z "$LD"; then
1058 if test "$GCC" = yes; then
1061 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1063 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1065 case $gcc_prog_ld in
1066 # Accept absolute paths.
1067 [[\\/]* | [A-Za-z]:[\\/]*)]
1068 LD="$gcc_prog_ld" ;;
1074 CFLAGS=${CFLAGS-"-g"}
1075 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1079 ACX_PROG_CMP_IGNORE_INITIAL
1081 # Check for GMP and MPFR
1082 gmplibs="-lmpfr -lgmp"
1086 # Specify a location for mpfr
1087 # check for this first so it ends up on the link line before gmp.
1088 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1089 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1090 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1092 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1093 Equivalent to --with-mpfr-include=PATH/include
1094 plus --with-mpfr-lib=PATH/lib])
1095 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1096 Specify directory for installed MPFR include files])
1097 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1099 if test "x$with_mpfr" != x; then
1100 gmplibs="-L$with_mpfr/lib $gmplibs"
1101 gmpinc="-I$with_mpfr/include"
1103 if test "x$with_mpfr_include" != x; then
1104 gmpinc="-I$with_mpfr_include"
1106 if test "x$with_mpfr_lib" != x; then
1107 gmplibs="-L$with_mpfr_lib $gmplibs"
1109 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1110 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1111 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1112 # Do not test the mpfr version. Assume that it is sufficient, since
1113 # it is in the source tree, and the library has not been built yet
1114 # but it would be included on the link line in the version check below
1115 # hence making the test fail.
1119 # Specify a location for gmp
1120 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1121 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1122 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1124 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1125 Equivalent to --with-gmp-include=PATH/include
1126 plus --with-gmp-lib=PATH/lib])
1127 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1128 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1131 if test "x$with_gmp" != x; then
1132 gmplibs="-L$with_gmp/lib $gmplibs"
1133 gmpinc="-I$with_gmp/include $gmpinc"
1135 if test "x$with_gmp_include" != x; then
1136 gmpinc="-I$with_gmp_include $gmpinc"
1138 if test "x$with_gmp_lib" != x; then
1139 gmplibs="-L$with_gmp_lib $gmplibs"
1141 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1142 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1143 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1144 # Do not test the gmp version. Assume that it is sufficient, since
1145 # it is in the source tree, and the library has not been built yet
1146 # but it would be included on the link line in the version check below
1147 # hence making the test fail.
1151 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1153 saved_CFLAGS="$CFLAGS"
1154 CFLAGS="$CFLAGS $gmpinc"
1155 # Check GMP actually works
1156 AC_MSG_CHECKING([for correct version of gmp.h])
1157 AC_TRY_COMPILE([#include "gmp.h"],[
1158 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1161 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1163 if test x"$have_gmp" = xyes; then
1165 LIBS="$LIBS $gmplibs"
1166 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1167 AC_MSG_CHECKING([for correct version of mpfr.h])
1168 AC_TRY_LINK([#include <gmp.h>
1169 #include <mpfr.h>],[
1170 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1173 mpfr_t n; mpfr_init(n);
1174 mpfr_t x; mpfr_init(x);
1176 mpfr_atan2 (n, n, x, GMP_RNDN);
1177 mpfr_erfc (n, x, GMP_RNDN);
1178 mpfr_subnormalize (x, t, GMP_RNDN);
1179 ], [AC_TRY_LINK([#include <gmp.h>
1180 #include <mpfr.h>],[
1181 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1184 mpfr_t n; mpfr_init(n);
1185 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1186 [AC_MSG_RESULT([no]); have_gmp=no])
1189 CFLAGS="$saved_CFLAGS"
1191 if test x$have_gmp != xyes; then
1192 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1193 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1194 Copies of these libraries' source code can be found at their respective
1195 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1196 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1197 If you obtained GMP and/or MPFR from a vendor distribution package, make
1198 sure that you have installed both the libraries and the header files.
1199 They may be located in separate packages.])
1203 # Flags needed for both GMP and/or MPFR
1207 # By default, C is the only stage 1 language.
1208 stage1_languages=,c,
1210 # Figure out what language subdirectories are present.
1211 # Look if the user specified --enable-languages="..."; if not, use
1212 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1214 # NB: embedded tabs in this IF block -- do not untabify
1215 if test -d ${srcdir}/gcc; then
1216 if test x"${enable_languages+set}" != xset; then
1217 if test x"${LANGUAGES+set}" = xset; then
1218 enable_languages="${LANGUAGES}"
1219 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1221 enable_languages=all
1224 if test x"${enable_languages}" = x ||
1225 test x"${enable_languages}" = xyes;
1227 echo configure.in: --enable-languages needs at least one language argument 1>&2
1231 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1233 # 'f95' is the old name for the 'fortran' language. We issue a warning
1234 # and make the substitution.
1235 case ,${enable_languages}, in
1237 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1238 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1242 # First scan to see if an enabled language requires some other language.
1243 # We assume that a given config-lang.in will list all the language
1244 # front ends it requires, even if some are required indirectly.
1245 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1246 case ${lang_frag} in
1248 # The odd quoting in the next line works around
1249 # an apparent bug in bash 1.12 on linux.
1250 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1252 # From the config-lang.in, get $language, $lang_requires
1256 for other in ${lang_requires} ; do
1257 case ,${enable_languages}, in
1261 echo " \`$other' language required by \`$language'; enabling" 1>&2
1262 enable_languages="${enable_languages},${other}"
1270 new_enable_languages=,c,
1271 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1272 potential_languages=,c,
1274 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1275 case ${lang_frag} in
1277 # The odd quoting in the next line works around
1278 # an apparent bug in bash 1.12 on linux.
1279 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1281 # From the config-lang.in, get $language, $target_libs,
1282 # $lang_dirs, $boot_language, and $build_by_default
1288 build_by_default=yes
1290 if test x${language} = x; then
1291 echo "${lang_frag} doesn't set \$language." 1>&2
1295 case ,${enable_languages}, in
1297 # Language was explicitly selected; include it.
1301 # 'all' was selected, select it if it is a default language
1302 add_this_lang=${build_by_default}
1309 # Disable languages that need other directories if these aren't available.
1310 for i in $subdir_requires; do
1311 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1312 case ,${enable_languages}, in
1314 # Specifically requested language; tell them.
1315 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1319 add_this_lang=unsupported
1324 # Disable Ada if no preexisting GNAT is available.
1325 case ,${enable_languages},:${language}:${have_gnat} in
1326 *,${language},*:ada:no)
1327 # Specifically requested language; tell them.
1328 AC_MSG_ERROR([GNAT is required to build $language])
1332 add_this_lang=unsupported
1336 # Disable a language that is unsupported by the target.
1337 case " $unsupported_languages " in
1339 add_this_lang=unsupported
1343 case $add_this_lang in
1345 # Remove language-dependent dirs.
1346 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1349 # Remove language-dependent dirs; still show language as supported.
1350 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1351 potential_languages="${potential_languages}${language},"
1354 new_enable_languages="${new_enable_languages}${language},"
1355 potential_languages="${potential_languages}${language},"
1356 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1357 case ${boot_language} in
1359 # Add to (comma-separated) list of stage 1 languages.
1360 stage1_languages="${stage1_languages}${language},"
1369 AC_ARG_ENABLE(stage1-languages,
1370 [ --enable-stage1-languages[=all] choose additional languages to build during
1371 stage1. Mostly useful for compiler development.],
1372 [case ,${enable_stage1_languages}, in
1374 # Set it to something that will have no effect in the loop below
1375 enable_stage1_languages=c ;;
1377 enable_stage1_languages=`echo $new_enable_languages | \
1378 sed -e "s/^,//" -e "s/,$//" ` ;;
1380 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1381 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1384 # Add "good" languages from enable_stage1_languages to stage1_languages,
1385 # while "bad" languages go in missing_languages. Leave no duplicates.
1386 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1387 case $potential_languages in
1389 case $stage1_languages in
1391 *) stage1_languages="$stage1_languages$i," ;;
1394 case $missing_languages in
1396 *) missing_languages="$missing_languages$i," ;;
1401 # Remove leading/trailing commas that were added for simplicity
1402 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1403 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1404 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1405 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1407 if test "x$missing_languages" != x; then
1409 The following requested languages could not be built: ${missing_languages}
1410 Supported languages are: ${potential_languages}])
1412 if test "x$new_enable_languages" != "x$enable_languages"; then
1413 echo The following languages will be built: ${new_enable_languages}
1414 enable_languages="$new_enable_languages"
1417 AC_SUBST(stage1_languages)
1418 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1421 # Handle --disable-<component> generically.
1422 for dir in $configdirs $build_configdirs $target_configdirs ; do
1423 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1424 if eval test x\${enable_${dirname}} "=" xno ; then
1425 noconfigdirs="$noconfigdirs $dir"
1429 # Check for Boehm's garbage collector
1430 AC_ARG_ENABLE(objc-gc,
1431 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1432 the GNU Objective-C runtime.],
1433 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1434 *,objc,*:*:yes:*target-boehm-gc*)
1435 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1439 # Make sure we only build Boehm's garbage collector if required.
1440 case ,${enable_languages},:${enable_objc_gc} in
1442 # Keep target-boehm-gc if requested for Objective-C.
1445 # Otherwise remove target-boehm-gc depending on target-libjava.
1446 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1447 noconfigdirs="$noconfigdirs target-boehm-gc"
1452 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1453 # $build_configdirs and $target_configdirs.
1454 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1457 for dir in . $skipdirs $noconfigdirs ; do
1458 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1459 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1460 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1461 if test -r $srcdir/$dirname/configure ; then
1462 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1465 notsupp="$notsupp $dir"
1469 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1470 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1471 if test -r $srcdir/$dirname/configure ; then
1472 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1475 notsupp="$notsupp $dir"
1479 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1480 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1481 if test -r $srcdir/$dirname/configure ; then
1482 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1485 notsupp="$notsupp $dir"
1491 # Sometimes the tools are distributed with libiberty but with no other
1492 # libraries. In that case, we don't want to build target-libiberty.
1493 # Don't let libgcc imply libiberty either.
1494 if test -n "${target_configdirs}" ; then
1497 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1498 if test "$i" = "libgcc"; then
1499 libgcc=target-libgcc
1500 elif test "$i" != "libiberty" ; then
1501 if test -r $srcdir/$i/configure ; then
1507 if test -z "${others}" ; then
1508 target_configdirs=$libgcc
1512 # Quietly strip out all directories which aren't configurable in this tree.
1513 # This relies on all configurable subdirectories being autoconfiscated, which
1515 build_configdirs_all="$build_configdirs"
1517 for i in ${build_configdirs_all} ; do
1518 j=`echo $i | sed -e s/build-//g`
1519 if test -f ${srcdir}/$j/configure ; then
1520 build_configdirs="${build_configdirs} $i"
1524 configdirs_all="$configdirs"
1526 for i in ${configdirs_all} ; do
1527 if test -f ${srcdir}/$i/configure ; then
1528 configdirs="${configdirs} $i"
1532 target_configdirs_all="$target_configdirs"
1534 for i in ${target_configdirs_all} ; do
1535 j=`echo $i | sed -e s/target-//g`
1536 if test -f ${srcdir}/$j/configure ; then
1537 target_configdirs="${target_configdirs} $i"
1541 # Produce a warning message for the subdirs we can't configure.
1542 # This isn't especially interesting in the Cygnus tree, but in the individual
1543 # FSF releases, it's important to let people know when their machine isn't
1544 # supported by the one or two programs in a package.
1546 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1547 # If $appdirs is non-empty, at least one of those directories must still
1548 # be configured, or we error out. (E.g., if the gas release supports a
1549 # specified target in some subdirs but not the gas subdir, we shouldn't
1550 # pretend that all is well.)
1551 if test -n "$appdirs" ; then
1552 for dir in $appdirs ; do
1553 if test -r $dir/Makefile.in ; then
1554 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1558 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1564 if test -n "$appdirs" ; then
1565 echo "*** This configuration is not supported by this package." 1>&2
1569 # Okay, some application will build, or we don't care to check. Still
1570 # notify of subdirs not getting built.
1571 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1572 echo " ${notsupp}" 1>&2
1573 echo " (Any other directories should still work fine.)" 1>&2
1583 AC_ARG_WITH([build-sysroot],
1584 [ --with-build-sysroot=sysroot
1585 use sysroot as the system root during the build],
1586 [if test x"$withval" != x ; then
1587 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1589 [SYSROOT_CFLAGS_FOR_TARGET=])
1590 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1592 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1593 # the named directory are copied to $(tooldir)/sys-include.
1594 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1595 if test x${is_cross_compiler} = xno ; then
1596 echo 1>&2 '***' --with-headers is only supported when cross compiling
1599 if test x"${with_headers}" != xyes ; then
1600 case "${exec_prefixoption}" in
1602 *) x=${exec_prefix} ;;
1604 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1608 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1609 # the name directories are copied to $(tooldir)/lib. Multiple directories
1611 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1612 if test x${is_cross_compiler} = xno ; then
1613 echo 1>&2 '***' --with-libs is only supported when cross compiling
1616 if test x"${with_libs}" != xyes ; then
1617 # Copy the libraries in reverse order, so that files in the first named
1618 # library override files in subsequent libraries.
1619 case "${exec_prefixoption}" in
1621 *) x=${exec_prefix} ;;
1623 for l in ${with_libs}; do
1624 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1629 # Set with_gnu_as and with_gnu_ld as appropriate.
1631 # This is done by determining whether or not the appropriate directory
1632 # is available, and by checking whether or not specific configurations
1633 # have requested that this magic not happen.
1635 # The command line options always override the explicit settings in
1636 # configure.in, and the settings in configure.in override this magic.
1638 # If the default for a toolchain is to use GNU as and ld, and you don't
1639 # want to do that, then you should use the --without-gnu-as and
1640 # --without-gnu-ld options for the configure script.
1642 if test x${use_gnu_as} = x &&
1643 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1645 extra_host_args="$extra_host_args --with-gnu-as"
1648 if test x${use_gnu_ld} = x &&
1649 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1651 extra_host_args="$extra_host_args --with-gnu-ld"
1654 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1655 # can detect this case.
1657 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1659 extra_host_args="$extra_host_args --with-newlib"
1662 # Handle ${copy_dirs}
1663 set fnord ${copy_dirs}
1665 while test $# != 0 ; do
1666 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1669 echo Copying $1 to $2
1671 # Use the install script to create the directory and all required
1672 # parent directories.
1673 if test -d $2 ; then
1677 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1680 # Copy the directory, assuming we have tar.
1681 # FIXME: Should we use B in the second tar? Not all systems support it.
1682 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1684 # It is the responsibility of the user to correctly adjust all
1685 # symlinks. If somebody can figure out how to handle them correctly
1686 # here, feel free to add the code.
1693 # Determine a target-dependent exec_prefix that the installed
1694 # gcc will search in. Keep this list sorted by triplet, with
1695 # the *-*-osname triplets last.
1699 md_exec_prefix=/gnu/lib/gcc-lib
1701 i[34567]86-pc-msdosdjgpp*)
1702 md_exec_prefix=/dev/env/DJDIR/bin
1704 i[34567]86-*-sco3.2v5*)
1705 if test $with_gnu_as = yes; then
1706 md_exec_prefix=/usr/gnu/bin
1708 md_exec_prefix=/usr/ccs/bin/elf
1713 powerpc-*-chorusos* | \
1714 powerpc*-*-eabi* | \
1715 powerpc*-*-sysv* | \
1716 powerpc*-*-kaos* | \
1718 md_exec_prefix=/usr/ccs/bin
1723 md_exec_prefix=/usr/ccs/bin
1738 md_exec_prefix=/usr/ccs/bin
1742 extra_arflags_for_target=
1743 extra_nmflags_for_target=
1744 extra_ranlibflags_for_target=
1745 target_makefile_frag=/dev/null
1748 target_makefile_frag="config/mt-mep"
1751 target_makefile_frag="config/mt-spu"
1754 target_makefile_frag="config/mt-netware"
1756 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1757 target_makefile_frag="config/mt-gnu"
1759 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1760 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1761 # commands to handle both 32-bit and 64-bit objects. These flags are
1762 # harmless if we're using GNU nm or ar.
1763 extra_arflags_for_target=" -X32_64"
1764 extra_nmflags_for_target=" -B -X32_64"
1767 # ranlib from Darwin requires the -c flag to look at common symbols.
1768 extra_ranlibflags_for_target=" -c"
1770 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1771 target_makefile_frag="config/mt-wince"
1775 alphaieee_frag=/dev/null
1778 # This just makes sure to use the -mieee option to build target libs.
1779 # This should probably be set individually by each library.
1780 alphaieee_frag="config/mt-alphaieee"
1784 # If --enable-target-optspace always use -Os instead of -O2 to build
1785 # the target libraries, similarly if it is not specified, use -Os
1786 # on selected platforms.
1787 ospace_frag=/dev/null
1788 case "${enable_target_optspace}:${target}" in
1790 ospace_frag="config/mt-ospace"
1793 ospace_frag="config/mt-d30v"
1795 :m32r-* | :d10v-* | :fr30-*)
1796 ospace_frag="config/mt-ospace"
1801 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1805 # Default to using --with-stabs for certain targets.
1806 if test x${with_stabs} = x ; then
1808 mips*-*-irix[[56]]*)
1810 mips*-*-* | alpha*-*-osf*)
1812 extra_host_args="${extra_host_args} --with-stabs"
1817 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1818 # them automatically.
1821 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1825 # Some systems (e.g., one of the i386-aix systems the gas testers are
1826 # using) don't handle "\$" correctly, so don't use it here.
1827 tooldir='${exec_prefix}'/${target_noncanonical}
1828 build_tooldir=${tooldir}
1830 # Create a .gdbinit file which runs the one in srcdir
1831 # and tells GDB to look there for source files.
1833 if test -r ${srcdir}/.gdbinit ; then
1836 *) cat > ./.gdbinit <<EOF
1840 source ${srcdir}/.gdbinit
1846 # Make sure that the compiler is able to generate an executable. If it
1847 # can't, we are probably in trouble. We don't care whether we can run the
1848 # executable--we might be using a cross compiler--we only care whether it
1849 # can be created. At this point the main configure script has set CC.
1851 echo "int main () { return 0; }" > conftest.c
1852 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1853 if test $? = 0 ; then
1854 if test -s conftest || test -s conftest.exe ; then
1860 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1861 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1868 # The Solaris /usr/ucb/cc compiler does not appear to work.
1870 sparc-sun-solaris2*)
1871 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1872 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1874 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1875 if test -d /opt/cygnus/bin ; then
1876 if test "$could_use" = "" ; then
1877 could_use="/opt/cygnus/bin"
1879 could_use="$could_use or /opt/cygnus/bin"
1882 if test "$could_use" = "" ; then
1883 echo "Warning: compilation may fail because you're using"
1884 echo "/usr/ucb/cc. You should change your PATH or CC "
1885 echo "variable and rerun configure."
1887 echo "Warning: compilation may fail because you're using"
1888 echo "/usr/ucb/cc, when you should use the C compiler from"
1889 echo "$could_use. You should change your"
1890 echo "PATH or CC variable and rerun configure."
1897 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1898 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1899 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1902 # Record target_configdirs and the configure arguments for target and
1903 # build configuration in Makefile.
1904 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1905 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1907 # Determine whether gdb needs tk/tcl or not.
1908 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1909 # and in that case we want gdb to be built without tk. Ugh!
1910 # In fact I believe gdb is the *only* package directly dependent on tk,
1911 # so we should be able to put the 'maybe's in unconditionally and
1912 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1913 # 100% sure that that's safe though.
1915 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1916 case "$enable_gdbtk" in
1920 GDB_TK="${gdb_tk}" ;;
1922 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1923 # distro. Eventually someone will fix this and move Insight, nee
1924 # gdbtk to a separate directory.
1925 if test -d ${srcdir}/gdb/gdbtk ; then
1932 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1933 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1935 # Strip out unwanted targets.
1937 # While at that, we remove Makefiles if we were started for recursive
1938 # configuration, so that the top-level Makefile reconfigures them,
1939 # like we used to do when configure itself was recursive.
1941 # Loop over modules. $extrasub must be used with care, limiting as
1942 # much as possible the usage of range addresses. That's because autoconf
1943 # splits the sed script to overcome limits in the number of commands,
1944 # and relying on carefully-timed sed passes may turn out to be very hard
1945 # to maintain later. In this particular case, you just have to be careful
1946 # not to nest @if/@endif pairs, because configure will not warn you at all.
1948 AC_ARG_ENABLE([bootstrap],
1949 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1950 enable_bootstrap=default)
1952 # Issue errors and warnings for invalid/strange bootstrap combinations.
1953 case "$configdirs" in
1954 *gcc*) have_compiler=yes ;;
1955 *) have_compiler=no ;;
1958 case "$have_compiler:$host:$target:$enable_bootstrap" in
1961 # Default behavior. Enable bootstrap if we have a compiler
1962 # and we are in a native configuration.
1963 yes:$build:$build:default)
1964 enable_bootstrap=yes ;;
1967 enable_bootstrap=no ;;
1969 # We have a compiler and we are in a native configuration, bootstrap is ok
1970 yes:$build:$build:yes)
1973 # Other configurations, but we have a compiler. Assume the user knows
1976 AC_MSG_WARN([trying to bootstrap a cross compiler])
1979 # No compiler: if they passed --enable-bootstrap explicitly, fail
1981 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1983 # Fail if wrong command line
1985 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1989 # Adjust the toplevel makefile according to whether bootstrap was selected.
1990 case "$enable_bootstrap" in
1992 bootstrap_suffix=bootstrap ;;
1994 bootstrap_suffix=no-bootstrap ;;
1997 for module in ${build_configdirs} ; do
1998 if test -z "${no_recursion}" \
1999 && test -f ${build_subdir}/${module}/Makefile; then
2000 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2001 rm -f ${build_subdir}/${module}/Makefile
2004 /^@if build-$module\$/d
2005 /^@endif build-$module\$/d
2006 /^@if build-$module-$bootstrap_suffix\$/d
2007 /^@endif build-$module-$bootstrap_suffix\$/d"
2009 for module in ${configdirs} ; do
2010 if test -z "${no_recursion}"; then
2011 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2012 if test -f ${file}; then
2013 echo 1>&2 "*** removing ${file} to force reconfigure"
2020 /^@endif $module\$/d
2021 /^@if $module-$bootstrap_suffix\$/d
2022 /^@endif $module-$bootstrap_suffix\$/d"
2024 for module in ${target_configdirs} ; do
2025 if test -z "${no_recursion}" \
2026 && test -f ${target_subdir}/${module}/Makefile; then
2027 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2028 rm -f ${target_subdir}/${module}/Makefile
2031 /^@if target-$module\$/d
2032 /^@endif target-$module\$/d
2033 /^@if target-$module-$bootstrap_suffix\$/d
2034 /^@endif target-$module-$bootstrap_suffix\$/d"
2038 /^@if /,/^@endif /d"
2040 # Create the serialization dependencies. This uses a temporary file.
2042 AC_ARG_ENABLE([serial-configure],
2043 [ --enable-serial-[{host,target,build}-]configure
2044 Force sequential configuration of
2045 sub-packages for the host, target or build
2046 machine, or all sub-packages])
2048 case ${enable_serial_configure} in
2050 enable_serial_build_configure=yes
2051 enable_serial_host_configure=yes
2052 enable_serial_target_configure=yes
2056 # These force 'configure's to be done one at a time, to avoid problems
2057 # with contention over a shared config.cache.
2059 echo '# serdep.tmp' > serdep.tmp
2061 test "x${enable_serial_build_configure}" = xyes &&
2062 for item in ${build_configdirs} ; do
2065 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2070 test "x${enable_serial_host_configure}" = xyes &&
2071 for item in ${configdirs} ; do
2074 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2079 test "x${enable_serial_target_configure}" = xyes &&
2080 for item in ${target_configdirs} ; do
2083 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2087 serialization_dependencies=serdep.tmp
2088 AC_SUBST_FILE(serialization_dependencies)
2090 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2091 # target, nonopt, and variable assignments. These are the ones we
2092 # might not want to pass down to subconfigures. Also strip
2093 # program-prefix, program-suffix, and program-transform-name, so that
2094 # we can pass down a consistent program-transform-name.
2098 eval "set -- $ac_configure_args"
2101 if test X"$skip_next" = X"yes"; then
2105 if test X"$keep_next" = X"yes"; then
2108 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2110 baseargs="$baseargs '$ac_arg'"
2115 # Handle separated arguments. Based on the logic generated by
2118 *=* | --config-cache | -C | -disable-* | --disable-* \
2119 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2120 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2121 | -with-* | --with-* | -without-* | --without-* | --x)
2147 -program-prefix* | \
2148 -program-suffix* | \
2149 -program-transform-name* )
2150 skip_next=$separate_arg
2154 # An option. Add it.
2157 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2159 baseargs="$baseargs '$ac_arg'"
2160 keep_next=$separate_arg
2163 # Either a variable assignment, or a nonopt (triplet). Don't
2164 # pass it down; let the Makefile handle this.
2169 # Remove the initial space we just introduced and, as these will be
2170 # expanded by make, quote '$'.
2171 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2173 # Add in --program-transform-name, after --program-prefix and
2174 # --program-suffix have been applied to it. Autoconf has already
2175 # doubled dollar signs and backslashes in program_transform_name; we want
2176 # the backslashes un-doubled, and then the entire thing wrapped in single
2177 # quotes, because this will be expanded first by make and then by the shell.
2178 # Also, because we want to override the logic in subdir configure scripts to
2179 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2180 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2181 ${program_transform_name}
2183 gcc_transform_name=`cat conftestsed.out`
2184 rm -f conftestsed.out
2185 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2187 # For the build-side libraries, we just need to pretend we're native,
2188 # and not use the same cache file. Multilibs are neither needed nor
2190 build_configargs="--cache-file=../config.cache ${baseargs}"
2192 # For host modules, accept cache file option, or specification as blank.
2193 case "${cache_file}" in
2195 cache_file_option="" ;;
2196 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2197 cache_file_option="--cache-file=${cache_file}" ;;
2199 cache_file_option="--cache-file=../${cache_file}" ;;
2202 # Host dirs don't like to share a cache file either, horribly enough.
2203 # This seems to be due to autoconf 2.5x stupidity.
2204 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2206 target_configargs=${baseargs}
2208 # Passing a --with-cross-host argument lets the target libraries know
2209 # whether they are being built with a cross-compiler or being built
2210 # native. However, it would be better to use other mechanisms to make the
2211 # sorts of decisions they want to make on this basis. Please consider
2212 # this option to be deprecated. FIXME.
2213 if test x${is_cross_compiler} = xyes ; then
2214 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2217 # Default to --enable-multilib.
2218 if test x${enable_multilib} = x ; then
2219 target_configargs="--enable-multilib ${target_configargs}"
2222 # Pass --with-newlib if appropriate. Note that target_configdirs has
2223 # changed from the earlier setting of with_newlib.
2224 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2225 target_configargs="--with-newlib ${target_configargs}"
2228 # Different target subdirs use different values of certain variables
2229 # (notably CXX). Worse, multilibs use *lots* of different values.
2230 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2231 # it doesn't automatically accept command-line overrides of them.
2232 # This means it's not safe for target subdirs to share a cache file,
2233 # which is disgusting, but there you have it. Hopefully this can be
2234 # fixed in future. It's still worthwhile to use a cache file for each
2235 # directory. I think.
2237 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2238 # We need to pass --target, as newer autoconf's requires consistency
2239 # for target_alias and gcc doesn't manage it consistently.
2240 target_configargs="--cache-file=./config.cache ${target_configargs}"
2243 case " $target_configdirs " in
2245 case " $target_configargs " in
2246 *" --with-newlib "*)
2249 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
2252 # If we're not building GCC, don't discard standard headers.
2253 if test -d ${srcdir}/gcc; then
2254 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2256 if test "${build}" != "${host}"; then
2257 # On Canadian crosses, CC_FOR_TARGET will have already been set
2258 # by `configure', so we won't have an opportunity to add -Bgcc/
2259 # to it. This is right: we don't want to search that directory
2260 # for binaries, but we want the header files in there, so add
2262 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2264 # Someone might think of using the pre-installed headers on
2265 # Canadian crosses, in case the installed compiler is not fully
2266 # compatible with the compiler being built. In this case, it
2267 # would be better to flag an error than risking having
2268 # incompatible object files being constructed. We can't
2269 # guarantee that an error will be flagged, but let's hope the
2270 # compiler will do it, when presented with incompatible header
2275 case "${target}-${is_cross_compiler}" in
2276 i[[3456789]]86-*-linux*-no)
2277 # Here host == target, so we don't need to build gcc,
2278 # so we don't want to discard standard headers.
2279 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2282 # If we're building newlib, use its generic headers last, but search
2283 # for any libc-related directories first (so make it the last -B
2285 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2294 # Can't be handled as Cygwin above since Mingw does not use newlib.
2295 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' ;;
2298 # Allow the user to override the flags for
2299 # our build compiler if desired.
2300 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2302 # On Canadian crosses, we'll be searching the right directories for
2303 # the previously-installed cross compiler, so don't bother to add
2304 # flags for directories within the install tree of the compiler
2305 # being built; programs in there won't even run.
2306 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2307 # Search for pre-installed headers if nothing else fits.
2308 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2311 if test "x${use_gnu_ld}" = x &&
2312 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2313 # Arrange for us to find uninstalled linker scripts.
2314 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2317 # Search for other target-specific linker scripts and such.
2320 if test -d ${srcdir}/libgloss/m32c; then
2321 # This is for crt0.o
2322 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2323 # This is for r8c.ld
2324 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2325 # This is for libnosys.a
2326 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2330 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2334 # Makefile fragments.
2335 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2337 eval fragval=\$$frag
2338 if test $fragval != /dev/null; then
2339 eval $frag=${srcdir}/$fragval
2342 AC_SUBST_FILE(host_makefile_frag)
2343 AC_SUBST_FILE(target_makefile_frag)
2344 AC_SUBST_FILE(alphaieee_frag)
2345 AC_SUBST_FILE(ospace_frag)
2347 # Miscellanea: directories, flags, etc.
2348 AC_SUBST(RPATH_ENVVAR)
2350 AC_SUBST(build_tooldir)
2351 AC_SUBST(CONFIGURE_GDB_TK)
2353 AC_SUBST(INSTALL_GDB_TK)
2355 # Build module lists & subconfigure args.
2356 AC_SUBST(build_configargs)
2357 AC_SUBST(build_configdirs)
2359 # Host module lists & subconfigure args.
2360 AC_SUBST(host_configargs)
2361 AC_SUBST(configdirs)
2363 # Target module lists & subconfigure args.
2364 AC_SUBST(target_configargs)
2368 AC_SUBST(CC_FOR_BUILD)
2369 AC_SUBST(config_shell)
2371 # Generate default definitions for YACC, M4, LEX and other programs that run
2372 # on the build machine. These are used if the Makefile can't locate these
2373 # programs in objdir.
2374 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2376 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2377 case " $build_configdirs " in
2378 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2379 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2382 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2383 case " $build_configdirs " in
2384 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2387 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2388 case " $build_configdirs " in
2389 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2392 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2393 case " $build_configdirs " in
2394 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2395 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2398 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2399 case " $build_configdirs " in
2400 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2403 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2404 case " $build_configdirs " in
2405 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2408 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2409 # higher, else we use the "missing" dummy.
2410 if ${MAKEINFO} --version \
2411 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2414 MAKEINFO="$MISSING makeinfo"
2420 # FIXME: expect and dejagnu may become build tools?
2422 AC_CHECK_PROGS(EXPECT, expect, expect)
2423 case " $configdirs " in
2425 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2429 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2430 case " $configdirs " in
2432 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2438 NCN_STRICT_CHECK_TOOLS(AR, ar)
2439 NCN_STRICT_CHECK_TOOLS(AS, as)
2440 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2441 NCN_STRICT_CHECK_TOOLS(LD, ld)
2442 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2443 NCN_STRICT_CHECK_TOOLS(NM, nm)
2444 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2445 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2446 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2447 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2448 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2452 AC_SUBST(CFLAGS_FOR_BUILD)
2456 AC_ARG_WITH([build-time-tools],
2457 [ --with-build-time-tools=path
2458 use given path to find target tools during the build],
2459 [case x"$withval" in
2462 with_build_time_tools=
2463 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2466 [with_build_time_tools=])
2468 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2469 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2470 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2471 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2472 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2474 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2475 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2476 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2477 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2478 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2479 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2480 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2481 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2482 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2483 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2485 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2487 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2488 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2489 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2490 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2491 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2493 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2494 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2496 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2497 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2498 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2499 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2500 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2501 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2502 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2503 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2504 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2505 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2506 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2507 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2508 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2510 AC_SUBST(FLAGS_FOR_TARGET)
2511 AC_SUBST(RAW_CXX_FOR_TARGET)
2513 # Certain tools may need extra flags.
2514 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2515 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2516 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2518 # When building target libraries, except in a Canadian cross, we use
2519 # the same toolchain as the compiler we just built.
2520 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2521 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2522 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2523 if test $host = $build; then
2524 case " $configdirs " in
2526 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2527 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2528 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2533 AC_SUBST(COMPILER_AS_FOR_TARGET)
2534 AC_SUBST(COMPILER_LD_FOR_TARGET)
2535 AC_SUBST(COMPILER_NM_FOR_TARGET)
2537 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2538 AC_ARG_ENABLE(maintainer-mode,
2539 [ --enable-maintainer-mode enable make rules and dependencies not useful
2540 (and sometimes confusing) to the casual installer],
2541 USE_MAINTAINER_MODE=$enableval,
2542 USE_MAINTAINER_MODE=no)
2543 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2544 AC_SUBST(MAINTAINER_MODE_TRUE)
2545 AC_SUBST(MAINTAINER_MODE_FALSE)
2546 if test "$USE_MAINTAINER_MODE" = yes; then
2547 MAINTAINER_MODE_TRUE=
2548 MAINTAINER_MODE_FALSE='#'
2550 MAINTAINER_MODE_TRUE='#'
2551 MAINTAINER_MODE_FALSE=
2553 MAINT=$MAINTAINER_MODE_TRUE
2556 # ---------------------
2557 # GCC bootstrap support
2558 # ---------------------
2560 # Stage specific cflags for build.
2565 yes) stage1_cflags="-g -Wa,-J" ;;
2566 *) stage1_cflags="-g -J" ;;
2570 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2571 if test "$GCC" = yes; then
2572 saved_CFLAGS="$CFLAGS"
2574 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2575 CFLAGS="$CFLAGS -fkeep-inline-functions"
2576 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2578 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2579 [AC_MSG_RESULT([no])])
2581 CFLAGS="$saved_CFLAGS"
2584 AC_SUBST(stage1_cflags)
2586 # Enable --enable-checking in stage1 of the compiler.
2587 AC_ARG_ENABLE(stage1-checking,
2588 [ --enable-stage1-checking[=all] choose additional checking for stage1
2590 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2591 [if test "x$enable_checking" = xno; then
2592 stage1_checking=--enable-checking
2594 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2596 AC_SUBST(stage1_checking)
2598 # Enable -Werror in bootstrap stage2 and later.
2599 AC_ARG_ENABLE(werror,
2600 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2601 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2606 case ${enable_werror} in
2607 yes) stage2_werror_flag="--enable-werror-always" ;;
2608 *) stage2_werror_flag="" ;;
2610 AC_SUBST(stage2_werror_flag)
2612 # Flags needed to enable html installing and building
2613 AC_ARG_WITH(datarootdir,
2614 [ --with-datarootdir Use datarootdir as the data root directory.],
2615 [datarootdir="\${prefix}/${withval}"],
2616 [datarootdir="\${prefix}/share"])
2619 [ --with-docdir Install documentation in this directory.],
2620 [docdir="\${prefix}/${withval}"],
2621 [docdir="\${datarootdir}/doc"])
2623 AC_ARG_WITH(htmldir,
2624 [ --with-htmldir Install html in this directory.],
2625 [htmldir="\${prefix}/${withval}"],
2626 [htmldir="\${docdir}"])
2628 AC_SUBST(datarootdir)