Merge branch 'vendor/BZIP'
[dragonfly.git] / contrib / binutils-2.20 / configure.ac
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SS
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
3# Inc.
4#
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.
9#
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.
14#
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/>.
18
19##############################################################################
20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
22m4_include(config/acx.m4)
23m4_include(config/override.m4)
24m4_include(config/proginstall.m4)
25
26AC_INIT(move-if-change)
27AC_PREREQ(2.64)
28AC_DISABLE_OPTION_CHECKING
29
30progname=$0
31# if PWD already has a value, it is probably wrong.
32if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
33
34# Export original configure arguments for use by sub-configures.
35# Quote arguments with shell meta charatcers.
36TOPLEVEL_CONFIGURE_ARGUMENTS=
37set -- "$progname" "$@"
38for ac_arg
39do
40 case "$ac_arg" in
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
45 *) ;;
46 esac
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
49done
50if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
52fi
53# Remove the initial space we just introduced and, as these will be
54# expanded by make, quote '$'.
55TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
57
58# Find the build, host, and target systems.
59ACX_NONCANONICAL_BUILD
60ACX_NONCANONICAL_HOST
61ACX_NONCANONICAL_TARGET
62
63dnl Autoconf 2.5x and later will set a default program prefix if
64dnl --target was used, even if it was the same as --host. Disable
65dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
66dnl to take effect.
67test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
69 NONENONEs,x,x, &&
70 program_transform_name=s,y,y,
71
72AC_CANONICAL_SYSTEM
73AC_ARG_PROGRAM
74
75m4_pattern_allow([^AS_FOR_TARGET$])dnl
76m4_pattern_allow([^AS_FOR_BUILD$])dnl
77
78# Get 'install' or 'install-sh' and its variants.
79AC_PROG_INSTALL
80ACX_PROG_LN
81AC_PROG_LN_S
82AC_PROG_SED
83AC_PROG_AWK
84
85### we might need to use some other shell than /bin/sh for running subshells
86### If we are on Windows, search for the shell. This will permit people
87### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88### without also having to set CONFIG_SHELL. This code will work when
89### using bash, which sets OSTYPE.
90case "${OSTYPE}" in
91*win32*)
92 if test x${CONFIG_SHELL} = x ; then
93 if test ! -f /bin/sh ; then
94 if test x${SHELL} != x && test -f ${SHELL} ; then
95 CONFIG_SHELL=${SHELL}
96 export CONFIG_SHELL
97 else
98 for prog in sh sh.exe bash bash.exe; do
99 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
100 for dir in $PATH; do
101 test -z "$dir" && dir=.
102 if test -f $dir/$prog; then
103 CONFIG_SHELL=$dir/$prog
104 export CONFIG_SHELL
105 break
106 fi
107 done
108 IFS="$save_ifs"
109 test -n "${CONFIG_SHELL}" && break
110 done
111 fi
112 fi
113 fi
114 ;;
115esac
116
117config_shell=${CONFIG_SHELL-/bin/sh}
118
119moveifchange=${srcdir}/move-if-change
120
121srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
122
123# We pass INSTALL explicitly to sub-makes. Make sure that it is not
124# a relative path.
125if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126 INSTALL="${srcpwd}/install-sh -c"
127fi
128
129# Set srcdir to "." if that's what it is.
130# This is important for multilib support.
131pwd=`${PWDCMD-pwd}`
132if test "${pwd}" = "${srcpwd}" ; then
133 srcdir=.
134fi
135
136topsrcdir=$srcpwd
137
138extra_host_args=
139
140### To add a new directory to the tree, first choose whether it is a target
141### or a host dependent tool. Then put it into the appropriate list
142### (library or tools, host or target), doing a dependency sort.
143
144# Subdirs will be configured in the order listed in build_configdirs,
145# configdirs, or target_configdirs; see the serialization section below.
146
147# Dependency sorting is only needed when *configuration* must be done in
148# a particular order. In all cases a dependency should be specified in
149# the Makefile, whether or not it's implicitly specified here.
150
151# Double entries in build_configdirs, configdirs, or target_configdirs may
152# cause circular dependencies and break everything horribly.
153
154# these library is used by various programs built for the build
155# environment
156#
157build_libs="build-libiberty"
158
159# these tools are built for the build environment
160build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
161
162# these libraries are used by various programs built for the host environment
163#
164host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
165
166# these tools are built for the host environment
167# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168# know that we are building the simulator.
169# binutils, gas and ld appear in that order because it makes sense to run
170# "make check" in that particular order.
171# If --enable-gold is used, "gold" will replace "ld".
172host_tools="byacc flex bison binutils gas ld fixincludes gcc cgen 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"
173
174# libgcj represents the runtime libraries only used by gcj.
175libgcj="target-libffi \
176 target-zlib \
177 target-qthreads \
178 target-libjava"
179
180# these libraries are built for the target environment, and are built after
181# the host libraries and the host tools (which may be a cross compiler)
182#
183target_libraries="target-libgcc \
184 target-libiberty \
185 target-libgloss \
186 target-newlib \
187 target-libgomp \
188 target-libstdc++-v3 \
189 target-libmudflap \
190 target-libssp \
191 target-libgfortran \
192 target-boehm-gc \
193 ${libgcj} \
194 target-libobjc \
195 target-libada"
196
197# these tools are built using the target libraries, and are intended to
198# run only in the target environment
199#
200# note: any program that *uses* libraries that are in the "target_libraries"
201# list belongs in this list. those programs are also very likely
202# candidates for the "native_only" list which follows
203#
204target_tools="target-examples target-groff target-gperf target-rda"
205
206################################################################################
207
208## All tools belong in one of the four categories, and are assigned above
209## We assign ${configdirs} this way to remove all embedded newlines. This
210## is important because configure will choke if they ever get through.
211## ${configdirs} is directories we build using the host tools.
212## ${target_configdirs} is directories we build using the target tools.
213configdirs=`echo ${host_libs} ${host_tools}`
214target_configdirs=`echo ${target_libraries} ${target_tools}`
215build_configdirs=`echo ${build_libs} ${build_tools}`
216
217m4_divert_text([PARSE_ARGS],
218[ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
219])
220
221################################################################################
222
223srcname="gnu development package"
224
225# This gets set non-empty for some net releases of packages.
226appdirs=""
227
228# Define is_cross_compiler to save on calls to 'test'.
229is_cross_compiler=
230if test x"${host}" = x"${target}" ; then
231 is_cross_compiler=no
232else
233 is_cross_compiler=yes
234fi
235
236# Find the build and target subdir names.
237GCC_TOPLEV_SUBDIRS
238
239# Skipdirs are removed silently.
240skipdirs=
241# Noconfigdirs are removed loudly.
242noconfigdirs=""
243
244use_gnu_ld=
245# Make sure we don't let GNU ld be added if we didn't want it.
246if test x$with_gnu_ld = xno ; then
247 use_gnu_ld=no
248 noconfigdirs="$noconfigdirs ld gold"
249fi
250
251use_gnu_as=
252# Make sure we don't let GNU as be added if we didn't want it.
253if test x$with_gnu_as = xno ; then
254 use_gnu_as=no
255 noconfigdirs="$noconfigdirs gas"
256fi
257
258# some tools are so dependent upon X11 that if we're not building with X,
259# it's not even worth trying to configure, much less build, that tool.
260
261case ${with_x} in
262 yes | "") ;; # the default value for this tree is that X11 is available
263 no)
264 skipdirs="${skipdirs} tk itcl libgui"
265 # We won't be able to build gdbtk without X.
266 enable_gdbtk=no
267 ;;
268 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269esac
270
271# Some tools are only suitable for building in a "native" situation.
272# Remove these if host!=target.
273native_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"
274
275# Similarly, some are only suitable for cross toolchains.
276# Remove these if host=target.
277cross_only="target-libgloss target-newlib target-opcodes"
278
279case $is_cross_compiler in
280 no) skipdirs="${skipdirs} ${cross_only}" ;;
281 yes) skipdirs="${skipdirs} ${native_only}" ;;
282esac
283
284# If both --with-headers and --with-libs are specified, default to
285# --without-newlib.
286if test x"${with_headers}" != x && test x"${with_headers}" != xno \
287 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
288 if test x"${with_newlib}" = x ; then
289 with_newlib=no
290 fi
291fi
292
293# Recognize --with-newlib/--without-newlib.
294case ${with_newlib} in
295 no) skipdirs="${skipdirs} target-newlib" ;;
296 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
297esac
298
299# Handle --enable-gold.
300
301AC_ARG_ENABLE(gold,
302[ --enable-gold use gold instead of ld],
303ENABLE_GOLD=$enableval,
304ENABLE_GOLD=no)
305if test "${ENABLE_GOLD}" = "yes"; then
306 # Check for ELF target.
307 is_elf=no
308 case "${target}" in
309 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
310 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
311 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
312 case "${target}" in
313 *-*-linux*aout* | *-*-linux*oldld*)
314 ;;
315 *)
316 is_elf=yes
317 ;;
318 esac
319 esac
320
321 if test "$is_elf" = "yes"; then
322 # Check for target supported by gold.
323 case "${target}" in
324 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
325 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
326 ;;
327 esac
328 fi
329fi
330
331# Configure extra directories which are host specific
332
333case "${host}" in
334 *-cygwin*)
335 configdirs="$configdirs libtermcap" ;;
336esac
337
338# A target can indicate whether a language isn't supported for some reason.
339# Only spaces may be used in this macro; not newlines or tabs.
340unsupported_languages=
341
342# Remove more programs from consideration, based on the host or
343# target this usually means that a port of the program doesn't
344# exist yet.
345
346case "${host}" in
347 hppa*64*-*-*)
348 noconfigdirs="$noconfigdirs byacc"
349 ;;
350 i[[3456789]]86-*-vsta)
351 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
352 ;;
353 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
354 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
355 ;;
356 x86_64-*-mingw*)
357 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
358 ;;
359 i[[3456789]]86-*-mingw32*)
360 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
361 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
362 ;;
363 i[[3456789]]86-*-beos*)
364 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
365 ;;
366 *-*-cygwin*)
367 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
368 ;;
369 *-*-netbsd*)
370 noconfigdirs="$noconfigdirs rcs"
371 ;;
372 ppc*-*-pe)
373 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
374 ;;
375 powerpc-*-beos*)
376 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
377 ;;
378esac
379
380
381AC_ARG_ENABLE(libada,
382[ --enable-libada build libada directory],
383ENABLE_LIBADA=$enableval,
384ENABLE_LIBADA=yes)
385if test "${ENABLE_LIBADA}" != "yes" ; then
386 noconfigdirs="$noconfigdirs gnattools"
387fi
388
389AC_ARG_ENABLE(libssp,
390[ --enable-libssp build libssp directory],
391ENABLE_LIBSSP=$enableval,
392ENABLE_LIBSSP=yes)
393
394# Save it here so that, even in case of --enable-libgcj, if the Java
395# front-end isn't enabled, we still get libgcj disabled.
396libgcj_saved=$libgcj
397case $enable_libgcj in
398yes)
399 # If we reset it here, it won't get added to noconfigdirs in the
400 # target-specific build rules, so it will be forcibly enabled
401 # (unless the Java language itself isn't enabled).
402 libgcj=
403 ;;
404no)
405 # Make sure we get it printed in the list of not supported target libs.
406 noconfigdirs="$noconfigdirs ${libgcj}"
407 ;;
408esac
409
410
411# Disable libmudflap on some systems.
412if test x$enable_libmudflap = x ; then
413 case "${target}" in
414 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
415 # Enable libmudflap by default in GNU and friends.
416 ;;
417 *-*-freebsd*)
418 # Enable libmudflap by default in FreeBSD.
419 ;;
420 *)
421 # Disable it by default everywhere else.
422 noconfigdirs="$noconfigdirs target-libmudflap"
423 ;;
424 esac
425fi
426
427# Disable libgomp on non POSIX hosted systems.
428if test x$enable_libgomp = x ; then
429 # Enable libgomp by default on hosted POSIX systems.
430 case "${target}" in
431 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
432 ;;
433 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
434 ;;
435 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
436 ;;
437 *-*-darwin* | *-*-aix*)
438 ;;
439 *)
440 noconfigdirs="$noconfigdirs target-libgomp"
441 ;;
442 esac
443fi
444
445# Default libgloss CPU subdirectory.
446libgloss_dir="$target_cpu"
447
448case "${target}" in
449 *-*-chorusos)
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
451 ;;
452 powerpc-*-darwin*)
453 noconfigdirs="$noconfigdirs ld gas gdb gprof"
454 noconfigdirs="$noconfigdirs sim target-rda"
455 ;;
456 i[[3456789]]86-*-darwin*)
457 noconfigdirs="$noconfigdirs ld gprof"
458 noconfigdirs="$noconfigdirs sim target-rda"
459 ;;
460 x86_64-*-darwin[[912]]*)
461 noconfigdirs="$noconfigdirs ld gas gprof"
462 noconfigdirs="$noconfigdirs sim target-rda"
463 ;;
464 *-*-darwin*)
465 noconfigdirs="$noconfigdirs ld gas gdb gprof"
466 noconfigdirs="$noconfigdirs sim target-rda"
467 noconfigdirs="$noconfigdirs ${libgcj}"
468 ;;
469 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
470 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
471 ;;
472 *-*-freebsd*)
473 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
474 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
475 && test -f /usr/local/include/gmp.h; then
476 with_gmp=/usr/local
477 fi
478
479 # Skip some stuff that's unsupported on some FreeBSD configurations.
480 case "${target}" in
481 i*86-*-*) ;;
482 alpha*-*-*) ;;
483 *)
484 noconfigdirs="$noconfigdirs ${libgcj}"
485 ;;
486 esac
487 ;;
488 *-*-kaos*)
489 # Remove unsupported stuff on all kaOS configurations.
490 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
491 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
492 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
493 noconfigdirs="$noconfigdirs target-libgloss"
494 ;;
495 *-*-netbsd*)
496 # Skip some stuff on all NetBSD configurations.
497 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
498
499 # Skip some stuff that's unsupported on some NetBSD configurations.
500 case "${target}" in
501 i*86-*-netbsdelf*) ;;
502 arm*-*-netbsdelf*) ;;
503 *)
504 noconfigdirs="$noconfigdirs ${libgcj}"
505 ;;
506 esac
507 ;;
508 *-*-netware*)
509 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
510 ;;
511 *-*-rtems*)
512 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
513 ;;
514 # The tpf target doesn't support gdb yet.
515 *-*-tpf*)
516 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
517 ;;
518 *-*-uclinux*)
519 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
520 ;;
521 *-*-vxworks*)
522 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
523 ;;
524 alpha*-dec-osf*)
525 # ld works, but does not support shared libraries.
526 # newlib is not 64 bit ready. I'm not sure about fileutils.
527 # gas doesn't generate exception information.
528 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
529 ;;
530 alpha*-*-*vms*)
531 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
532 ;;
533 alpha*-*-linux*)
534 # newlib is not 64 bit ready
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
536 ;;
537 alpha*-*-*)
538 # newlib is not 64 bit ready
539 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
540 ;;
541 am33_2.0-*-linux*)
542 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
543 ;;
544 sh-*-linux*)
545 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
546 ;;
547 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
548 noconfigdirs="$noconfigdirs ${libgcj}"
549 noconfigdirs="$noconfigdirs target-examples"
550 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
551 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
552 noconfigdirs="$noconfigdirs expect dejagnu"
553 # the C++ libraries don't build on top of CE's C libraries
554 noconfigdirs="$noconfigdirs target-libstdc++-v3"
555 noconfigdirs="$noconfigdirs target-newlib"
556 case "${host}" in
557 *-*-cygwin*) ;; # keep gdb and readline
558 *) noconfigdirs="$noconfigdirs gdb readline"
559 ;;
560 esac
561 libgloss_dir=wince
562 ;;
563 arc-*-*)
564 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
565 ;;
566 arm-semi-aof )
567 ;;
568 arm-*-coff | strongarm-*-coff | xscale-*-coff)
569 noconfigdirs="$noconfigdirs ${libgcj}"
570 libgloss_dir=arm
571 ;;
572 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
573 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
574 libgloss_dir=arm
575 ;;
576 arm*-*-linux-gnueabi)
577 noconfigdirs="$noconfigdirs target-qthreads"
578 case ${with_newlib} in
579 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
580 esac
581 libgloss_dir=arm
582 ;;
583 arm*-*-symbianelf*)
584 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
585 libgloss_dir=arm
586 ;;
587 arm-*-pe*)
588 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
589 ;;
590 thumb-*-coff)
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
592 ;;
593 thumb-*-elf)
594 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
595 ;;
596 thumb-*-pe)
597 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
598 ;;
599 arm-*-riscix*)
600 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
601 ;;
602 avr-*-*)
603 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
604 ;;
605 bfin-*-*)
606 noconfigdirs="$noconfigdirs gdb"
607 if test x${is_cross_compiler} != xno ; then
608 target_configdirs="${target_configdirs} target-bsp target-cygmon"
609 fi
610 ;;
611 c4x-*-* | tic4x-*-*)
612 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
613 ;;
614 c54x*-*-* | tic54x-*-*)
615 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
616 ;;
617 cr16-*-*)
618 noconfigdirs="$noconfigdirs ${libgcj} gdb"
619 ;;
620 cris-*-* | crisv32-*-*)
621 unsupported_languages="$unsupported_languages java"
622 case "${target}" in
623 *-*-aout)
624 unsupported_languages="$unsupported_languages fortran"
625 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
626 *-*-elf)
627 noconfigdirs="$noconfigdirs target-boehm-gc";;
628 *-*-linux*)
629 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
630 *)
631 unsupported_languages="$unsupported_languages fortran"
632 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
633 esac
634 libgloss_dir=cris
635 ;;
636 crx-*-*)
637 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
638 ;;
639 d10v-*-*)
640 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
641 ;;
642 d30v-*-*)
643 noconfigdirs="$noconfigdirs ${libgcj} gdb"
644 ;;
645 ep9312-*-elf | ep9312-*-coff)
646 libgloss_dir=arm
647 ;;
648 fr30-*-elf*)
649 noconfigdirs="$noconfigdirs ${libgcj} gdb"
650 ;;
651 frv-*-*)
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 ;;
654 moxie-*-*)
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs gprof"
657 ;;
658 h8300*-*-*)
659 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
660 ;;
661 h8500-*-*)
662 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
663 ;;
664 hppa1.1-*-osf* | hppa1.1-*-bsd* )
665 ;;
666 hppa*64*-*-linux* | parisc*64*-*-linux*)
667 # In this case, it's because the hppa64-linux target is for
668 # the kernel only at this point and has no libc, and thus no
669 # headers, crt*.o, etc., all of which are needed by these.
670 noconfigdirs="$noconfigdirs target-zlib"
671 ;;
672 parisc*-*-linux* | hppa*-*-linux*)
673 ;;
674 hppa*-*-*elf* | \
675 hppa*-*-lites* | \
676 hppa*-*-openbsd* | \
677 hppa*64*-*-*)
678 noconfigdirs="$noconfigdirs ${libgcj}"
679 ;;
680 hppa*-hp-hpux11*)
681 noconfigdirs="$noconfigdirs ld shellutils"
682 ;;
683 hppa*-*-pro*)
684 libgloss_dir=pa
685 ;;
686 hppa*-*-*)
687 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
688 # build on HP-UX 10.20.
689 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
690 ;;
691 i960-*-*)
692 noconfigdirs="$noconfigdirs ${libgcj} gdb"
693 ;;
694 ia64*-*-elf*)
695 # No gdb support yet.
696 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
697 ;;
698 ia64*-**-hpux*)
699 # No gdb or ld support yet.
700 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
701 ;;
702 ia64*-*-*vms*)
703 # No gdb or ld support yet.
704 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
705 ;;
706 i370-*-opened*)
707 ;;
708 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
709 noconfigdirs="$noconfigdirs ${libgcj}"
710 libgloss_dir=i386
711 ;;
712 i[[3456789]]86-*-linux*)
713 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
714 # not build java stuff by default.
715 case "${target}" in
716 *-*-*libc1*)
717 noconfigdirs="$noconfigdirs ${libgcj}";;
718 esac
719
720 # This section makes it possible to build newlib natively on linux.
721 # If we are using a cross compiler then don't configure newlib.
722 if test x${is_cross_compiler} != xno ; then
723 noconfigdirs="$noconfigdirs target-newlib"
724 fi
725 noconfigdirs="$noconfigdirs target-libgloss"
726 # If we are not using a cross compiler, do configure newlib.
727 # Note however, that newlib will only be configured in this situation
728 # if the --with-newlib option has been given, because otherwise
729 # 'target-newlib' will appear in skipdirs.
730 ;;
731 i[[3456789]]86-*-mingw32*)
732 target_configdirs="$target_configdirs target-winsup"
733 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
734 ;;
735 x86_64-*-mingw*)
736 target_configdirs="$target_configdirs target-winsup"
737 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
738 ;;
739 *-*-cygwin*)
740 target_configdirs="$target_configdirs target-libtermcap target-winsup"
741 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
742 # always build newlib if winsup directory is present.
743 if test -d "$srcdir/winsup/cygwin"; then
744 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
745 elif test -d "$srcdir/newlib"; then
746 echo "Warning: winsup/cygwin is missing so newlib can't be built."
747 fi
748 ;;
749 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
750 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
751 ;;
752 i[[3456789]]86-*-pe)
753 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
754 ;;
755 i[[3456789]]86-*-sco3.2v5*)
756 # The linker does not yet know about weak symbols in COFF,
757 # and is not configured to handle mixed ELF and COFF.
758 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
759 ;;
760 i[[3456789]]86-*-sco*)
761 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
762 ;;
763 i[[3456789]]86-*-solaris2*)
764 noconfigdirs="$noconfigdirs target-libgloss"
765 ;;
766 i[[3456789]]86-*-sysv4*)
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
768 ;;
769 i[[3456789]]86-*-beos*)
770 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
771 ;;
772 i[[3456789]]86-*-rdos*)
773 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
774 ;;
775 m32r-*-*)
776 noconfigdirs="$noconfigdirs ${libgcj}"
777 ;;
778 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
779 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
780 libgloss_dir=m68hc11
781 ;;
782 m68k-*-elf*)
783 noconfigdirs="$noconfigdirs ${libgcj}"
784 ;;
785 m68k-*-coff*)
786 noconfigdirs="$noconfigdirs ${libgcj}"
787 ;;
788 m68*-*-* | fido-*-*)
789 libgloss_dir=m68k
790 ;;
791 mcore-*-pe*)
792 # The EPOC C++ environment does not support exceptions or rtti,
793 # and so building libstdc++-v3 tends not to always work.
794 noconfigdirs="$noconfigdirs target-libstdc++-v3"
795 ;;
796 mmix-*-*)
797 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
798 unsupported_languages="$unsupported_languages fortran java"
799 ;;
800 mn10200-*-*)
801 noconfigdirs="$noconfigdirs ${libgcj}"
802 ;;
803 mn10300-*-*)
804 noconfigdirs="$noconfigdirs ${libgcj}"
805 ;;
806 mt-*-*)
807 noconfigdirs="$noconfigdirs sim"
808 ;;
809 powerpc-*-aix*)
810 # copied from rs6000-*-* entry
811 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
812 ;;
813 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
814 target_configdirs="$target_configdirs target-winsup"
815 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
816 # always build newlib.
817 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
818 ;;
819 # This is temporary until we can link against shared libraries
820 powerpcle-*-solaris*)
821 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
822 libgloss_dir=rs6000
823 ;;
824 powerpc-*-beos*)
825 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
826 ;;
827 powerpc-*-eabi)
828 noconfigdirs="$noconfigdirs ${libgcj}"
829 libgloss_dir=rs6000
830 ;;
831 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
832 libgloss_dir=rs6000
833 ;;
834 rs6000-*-lynxos*)
835 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
836 ;;
837 rs6000-*-aix*)
838 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
839 ;;
840 rs6000-*-*)
841 noconfigdirs="$noconfigdirs gprof ${libgcj}"
842 ;;
843 m68k-apollo-*)
844 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
845 ;;
846 microblaze*)
847 noconfigdirs="$noconfigdirs gprof ${libgcj}"
848 ;;
849 mips*-sde-elf*)
850 skipdirs="$skipdirs target-libiberty"
851 noconfigdirs="$noconfigdirs ${libgcj}"
852 if test x$with_newlib = xyes; then
853 noconfigdirs="$noconfigdirs gprof"
854 fi
855 libgloss_dir=mips
856 ;;
857 mips*-*-irix5*)
858 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
859 ;;
860 mips*-*-irix6*)
861 # Linking libjava exceeds command-line length limits on at least
862 # IRIX 6.2, but not on IRIX 6.5.
863 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
864 # <oldham@codesourcery.com>
865 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
866 ;;
867 mips*-*-bsd*)
868 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
869 ;;
870 mips*-*-linux*)
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
872 ;;
873 mips*-*-*)
874 noconfigdirs="$noconfigdirs gprof ${libgcj}"
875 libgloss_dir=mips
876 ;;
877 romp-*-*)
878 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
879 ;;
880 sh-*-* | sh64-*-*)
881 case "${host}" in
882 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
883 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
884 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
885 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
886 esac
887 case "${target}" in
888 sh*-*-elf)
889 noconfigdirs="$noconfigdirs ${libgcj}" ;;
890 *)
891 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
892 esac
893 ;;
894 sparclet-*-aout* | sparc86x-*-*)
895 libgloss_dir=sparc
896 ;;
897 sparc-*-elf*)
898 noconfigdirs="$noconfigdirs ${libgcj}"
899 ;;
900 sparc64-*-elf*)
901 noconfigdirs="$noconfigdirs ${libgcj}"
902 libgloss_dir=sparc
903 ;;
904 sparclite-*-*)
905 noconfigdirs="$noconfigdirs ${libgcj}"
906 libgloss_dir=sparc
907 ;;
908 sparc-*-sunos4*)
909 noconfigdirs="$noconfigdirs ${libgcj}"
910 if test x${is_cross_compiler} != xno ; then
911 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
912 else
913 use_gnu_ld=no
914 fi
915 ;;
916 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
917 noconfigdirs="$noconfigdirs ${libgcj}"
918 ;;
919 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
920 ;;
921 v810-*-*)
922 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
923 ;;
924 v850-*-*)
925 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
926 ;;
927 v850e-*-*)
928 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
929 ;;
930 v850ea-*-*)
931 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
932 ;;
933 vax-*-vms)
934 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
935 ;;
936 vax-*-*)
937 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
938 ;;
939 xtensa*-*-*)
940 noconfigdirs="$noconfigdirs ${libgcj}"
941 ;;
942 ip2k-*-*)
943 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
944 ;;
945 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
946 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
947 ;;
948 *-*-lynxos*)
949 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
950 ;;
951 *-*-*)
952 noconfigdirs="$noconfigdirs ${libgcj}"
953 ;;
954esac
955
956# If we aren't building newlib, then don't build libgloss, since libgloss
957# depends upon some newlib header files.
958case "${noconfigdirs}" in
959 *target-libgloss*) ;;
960 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
961esac
962
963# Work in distributions that contain no compiler tools, like Autoconf.
964tentative_cc=""
965host_makefile_frag=/dev/null
966if test -d ${srcdir}/config ; then
967case "${host}" in
968 m68k-hp-hpux*)
969 # Avoid "too much defining" errors from HPUX compiler.
970 tentative_cc="cc -Wp,-H256000"
971 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
972 # If it's HP/UX ar, this should be harmless.
973 RANLIB="ar ts"
974 ;;
975 m68k-apollo-sysv*)
976 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
977 ;;
978 m68k-apollo-bsd*)
979 #None of the Apollo compilers can compile gas or binutils. The preprocessor
980 # chokes on bfd, the compiler won't let you assign integers to enums, and
981 # other problems. Defining CC to gcc is a questionable way to say "don't use
982 # the apollo compiler" (the preferred version of GCC could be called cc,
983 # or whatever), but I'm not sure leaving CC as cc is any better...
984 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
985 # Used to have BISON=yacc.
986 tentative_cc=gcc
987 ;;
988 m88k-dg-dgux*)
989 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
990 ;;
991 m88k-harris-cxux*)
992 # Under CX/UX, we want to tell the compiler to use ANSI mode.
993 tentative_cc="cc -Xa"
994 host_makefile_frag="config/mh-cxux"
995 ;;
996 m88k-motorola-sysv*)
997 ;;
998 mips*-dec-ultrix*)
999 tentative_cc="cc -Wf,-XNg1000"
1000 host_makefile_frag="config/mh-decstation"
1001 ;;
1002 mips*-nec-sysv4*)
1003 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1004 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1005 host_makefile_frag="config/mh-necv4"
1006 ;;
1007 mips*-sgi-irix4*)
1008 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1009 # environment. Also bump switch table size so that cp-parse will
1010 # compile. Bump string length limit so linker builds.
1011 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1012 ;;
1013 mips*-*-sysv4*)
1014 host_makefile_frag="config/mh-sysv4"
1015 ;;
1016 mips*-*-sysv*)
1017 # This is for a MIPS running RISC/os 4.52C.
1018
1019 # This is needed for GDB, but needs to be in the top-level make because
1020 # if a library is compiled with the bsd headers and gets linked with the
1021 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1022 # a different size).
1023 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1024 # known except to select the sysv environment. Could we use /proc instead?
1025 # These "sysv environments" and "bsd environments" often end up being a pain.
1026 #
1027 # This is not part of CFLAGS because perhaps not all C compilers have this
1028 # option.
1029 tentative_cc="cc -systype sysv"
1030 ;;
1031 i370-ibm-opened*)
1032 tentative_cc="c89"
1033 ;;
1034 i[[3456789]]86-*-sysv5*)
1035 host_makefile_frag="config/mh-sysv5"
1036 ;;
1037 i[[3456789]]86-*-dgux*)
1038 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1039 host_makefile_frag="config/mh-dgux386"
1040 ;;
1041 i[[3456789]]86-ncr-sysv4.3*)
1042 # The MetaWare compiler will generate a copyright message unless you
1043 # turn it off by adding the -Hnocopyr flag.
1044 tentative_cc="cc -Hnocopyr"
1045 ;;
1046 i[[3456789]]86-ncr-sysv4*)
1047 # for an NCR 3000 (i486/SVR4) system.
1048 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1049 # This compiler not only emits obnoxious copyright messages every time
1050 # you run it, but it chokes and dies on a whole bunch of GNU source
1051 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1052 tentative_cc="/usr/ccs/ATT/cc"
1053 host_makefile_frag="config/mh-ncr3000"
1054 ;;
1055 i[[3456789]]86-*-sco3.2v5*)
1056 ;;
1057 i[[3456789]]86-*-sco*)
1058 # The native C compiler botches some simple uses of const. Unfortunately,
1059 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1060 tentative_cc="cc -Dconst="
1061 host_makefile_frag="config/mh-sco"
1062 ;;
1063 i[[3456789]]86-*-udk*)
1064 host_makefile_frag="config/mh-sysv5"
1065 ;;
1066 i[[3456789]]86-*-solaris2*)
1067 host_makefile_frag="config/mh-sysv4"
1068 ;;
1069 i[[3456789]]86-*-msdosdjgpp*)
1070 host_makefile_frag="config/mh-djgpp"
1071 ;;
1072 *-cygwin*)
1073 ACX_CHECK_CYGWIN_CAT_WORKS
1074 host_makefile_frag="config/mh-cygwin"
1075 ;;
1076 *-mingw*)
1077 host_makefile_frag="config/mh-mingw"
1078 ;;
1079 *-interix*)
1080 host_makefile_frag="config/mh-interix"
1081 ;;
1082 vax-*-ultrix2*)
1083 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1084 tentative_cc=gcc
1085 ;;
1086 *-*-solaris2*)
1087 host_makefile_frag="config/mh-solaris"
1088 ;;
1089 m68k-sun-sunos*)
1090 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1091 # without overflowing the jump tables (-J says to use a 32 bit table)
1092 tentative_cc="cc -J"
1093 ;;
1094 hppa*-hp-hpux10*)
1095 tentative_cc="cc -Wp,-H256000"
1096 host_makefile_frag="config/mh-pa-hpux10"
1097 ;;
1098 hppa*-hp-hpux* | hppa*-*-hiux*)
1099 tentative_cc="cc -Wp,-H256000"
1100 host_makefile_frag="config/mh-pa"
1101 ;;
1102 hppa*-*)
1103 host_makefile_frag="config/mh-pa"
1104 ;;
1105 *-hp-hpux* | *-*-hiux*)
1106 tentative_cc="cc -Wp,-H256000"
1107 ;;
1108 rs6000-*-lynxos*)
1109 # /bin/cc is less than useful for our purposes. Always use GCC
1110 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1111 host_makefile_frag="config/mh-lynxrs6k"
1112 ;;
1113 powerpc-*-darwin*)
1114 host_makefile_frag="config/mh-ppc-darwin"
1115 ;;
1116 powerpc-*-aix*)
1117 host_makefile_frag="config/mh-ppc-aix"
1118 ;;
1119 rs6000-*-aix*)
1120 host_makefile_frag="config/mh-ppc-aix"
1121 ;;
1122 *-*-lynxos*)
1123 # /bin/cc is less than useful for our purposes. Always use GCC
1124 tentative_cc="/bin/gcc"
1125 ;;
1126 *-*-sysv4*)
1127 host_makefile_frag="config/mh-sysv4"
1128 ;;
1129 # This is placed last to prevent interfering with the cases above.
1130 i[[3456789]]86-*-*)
1131 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1132 host_makefile_frag="config/mh-x86omitfp"
1133 ;;
1134esac
1135fi
1136
1137# If we aren't going to be using gcc, see if we can extract a definition
1138# of CC from the fragment.
1139# Actually, use the 'pre-extracted' version above.
1140if test -z "${CC}" && test "${build}" = "${host}" ; then
1141 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1142 found=
1143 for dir in $PATH; do
1144 test -z "$dir" && dir=.
1145 if test -f $dir/gcc; then
1146 found=yes
1147 break
1148 fi
1149 done
1150 IFS="$save_ifs"
1151 if test -z "${found}" && test -n "${tentative_cc}" ; then
1152 CC=$tentative_cc
1153 fi
1154fi
1155
1156if test "${build}" != "${host}" ; then
1157 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1158 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1159 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1160 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1161 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1162 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1163 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1164 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1165 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1166 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1167 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1168 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1169else
1170 AR_FOR_BUILD="\$(AR)"
1171 AS_FOR_BUILD="\$(AS)"
1172 CC_FOR_BUILD="\$(CC)"
1173 CXX_FOR_BUILD="\$(CXX)"
1174 GCJ_FOR_BUILD="\$(GCJ)"
1175 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1176 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1177 LD_FOR_BUILD="\$(LD)"
1178 NM_FOR_BUILD="\$(NM)"
1179 RANLIB_FOR_BUILD="\$(RANLIB)"
1180 WINDRES_FOR_BUILD="\$(WINDRES)"
1181 WINDMC_FOR_BUILD="\$(WINDMC)"
1182fi
1183
1184AC_PROG_CC
1185AC_PROG_CXX
1186
1187# We must set the default linker to the linker used by gcc for the correct
1188# operation of libtool. If LD is not defined and we are using gcc, try to
1189# set the LD default to the ld used by gcc.
1190if test -z "$LD"; then
1191 if test "$GCC" = yes; then
1192 case $build in
1193 *-*-mingw*)
1194 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1195 *)
1196 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1197 esac
1198 case $gcc_prog_ld in
1199 # Accept absolute paths.
1200 [[\\/]* | [A-Za-z]:[\\/]*)]
1201 LD="$gcc_prog_ld" ;;
1202 esac
1203 fi
1204fi
1205
1206ACX_PROG_GNAT
1207ACX_PROG_CMP_IGNORE_INITIAL
1208
1209# See if we are building gcc with C++.
1210AC_ARG_ENABLE(build-with-cxx,
1211[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1212ENABLE_BUILD_WITH_CXX=$enableval,
1213ENABLE_BUILD_WITH_CXX=no)
1214
1215# Check for GMP, MPFR and MPC
1216gmplibs="-lmpfr -lgmp"
1217gmpinc=
1218have_gmp=no
1219mpclibs=-lmpc
1220mpcinc=
1221have_mpc=no
1222
1223# Specify a location for mpc
1224# check for this first so it ends up on the link line before mpfr.
1225AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1226 Equivalent to --with-mpc-include=PATH/include
1227 plus --with-mpc-lib=PATH/lib])
1228AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1229 specify directory for installed MPC include files])
1230AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1231
1232if test "x$with_mpc" != x; then
1233 mpclibs="-L$with_mpc/lib -lmpc"
1234 mpcinc="-I$with_mpc/include $mpcinc"
1235fi
1236if test "x$with_mpc_include" != x; then
1237 mpcinc="-I$with_mpc_include $mpcinc"
1238fi
1239if test "x$with_mpc_lib" != x; then
1240 mpclibs="-L$with_mpc_lib -lmpc"
1241fi
1242if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1243 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1244 mpcinc='-I$$s/mpc/src '"$mpcinc"
1245 # Do not test the mpc version. Assume that it is sufficient, since
1246 # it is in the source tree, and the library has not been built yet
1247 # but it would be included on the link line in the version check below
1248 # hence making the test fail.
1249 have_mpc=yes
1250fi
1251
1252# Specify a location for mpfr
1253# check for this first so it ends up on the link line before gmp.
1254AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1255 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1256Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1257
1258AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1259 Equivalent to --with-mpfr-include=PATH/include
1260 plus --with-mpfr-lib=PATH/lib])
1261AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1262 specify directory for installed MPFR include files])
1263AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1264
1265if test "x$with_mpfr" != x; then
1266 gmplibs="-L$with_mpfr/lib $gmplibs"
1267 gmpinc="-I$with_mpfr/include"
1268fi
1269if test "x$with_mpfr_include" != x; then
1270 gmpinc="-I$with_mpfr_include"
1271fi
1272if test "x$with_mpfr_lib" != x; then
1273 gmplibs="-L$with_mpfr_lib $gmplibs"
1274fi
1275if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1276 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1277 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1278 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1279 # Do not test the mpfr version. Assume that it is sufficient, since
1280 # it is in the source tree, and the library has not been built yet
1281 # but it would be included on the link line in the version check below
1282 # hence making the test fail.
1283 have_gmp=yes
1284fi
1285
1286# Specify a location for gmp
1287AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1288 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1289Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1290
1291AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1292 Equivalent to --with-gmp-include=PATH/include
1293 plus --with-gmp-lib=PATH/lib])
1294AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1295AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1296
1297
1298if test "x$with_gmp" != x; then
1299 gmplibs="-L$with_gmp/lib $gmplibs"
1300 gmpinc="-I$with_gmp/include $gmpinc"
1301fi
1302if test "x$with_gmp_include" != x; then
1303 gmpinc="-I$with_gmp_include $gmpinc"
1304fi
1305if test "x$with_gmp_lib" != x; then
1306 gmplibs="-L$with_gmp_lib $gmplibs"
1307fi
1308if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1309 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1310 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1311 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1312 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1313 # Do not test the gmp version. Assume that it is sufficient, since
1314 # it is in the source tree, and the library has not been built yet
1315 # but it would be included on the link line in the version check below
1316 # hence making the test fail.
1317 have_gmp=yes
1318fi
1319
1320if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1321 have_gmp=yes
1322 saved_CFLAGS="$CFLAGS"
1323 CFLAGS="$CFLAGS $gmpinc"
1324 # Check GMP actually works
1325 AC_MSG_CHECKING([for correct version of gmp.h])
1326 AC_TRY_COMPILE([#include "gmp.h"],[
1327 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1328 choke me
1329 #endif
1330 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1331
1332 # If we have GMP, check the MPFR version.
1333 if test x"$have_gmp" = xyes; then
1334 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1335 AC_MSG_CHECKING([for correct version of mpfr.h])
1336 AC_TRY_COMPILE([#include <gmp.h>
1337 #include <mpfr.h>],[
1338 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1339 choke me
1340 #endif
1341 ], AC_TRY_COMPILE([#include <gmp.h>
1342 #include <mpfr.h>],[
1343 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1344 choke me
1345 #endif
1346 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1347 [AC_MSG_RESULT([no]); have_gmp=no])
1348 fi
1349
1350 # Check for the MPC header version.
1351 if test x"$have_mpc" != xyes ; then
1352 CFLAGS="$CFLAGS $mpcinc"
1353 AC_MSG_CHECKING([for the correct version of mpc.h])
1354 AC_TRY_COMPILE([#include <mpc.h>],[
1355 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1356 choke me
1357 #endif
1358 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1359 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1360 fi
1361
1362 # Now check the MPFR library.
1363 if test x"$have_gmp" = xyes; then
1364 saved_LIBS="$LIBS"
1365 LIBS="$LIBS $gmplibs"
1366 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1367 AC_TRY_LINK([#include <gmp.h>
1368 #include <mpfr.h>],[
1369 mpfr_t n;
1370 mpfr_t x;
1371 int t;
1372 mpfr_init (n);
1373 mpfr_init (x);
1374 mpfr_atan2 (n, n, x, GMP_RNDN);
1375 mpfr_erfc (n, x, GMP_RNDN);
1376 mpfr_subnormalize (x, t, GMP_RNDN);
1377 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1378 LIBS="$saved_LIBS"
1379 fi
1380
1381 if test x"$have_mpc" = xmaybe; then
1382 saved_LIBS="$LIBS"
1383 LIBS="$LIBS $mpclibs $gmplibs"
1384 AC_MSG_CHECKING([for the correct version of the mpc library])
1385 AC_TRY_LINK([#include <mpc.h>],[
1386 mpc_t n;
1387 mpc_init2 (n, 53);
1388 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1389 mpc_sin (n, n, MPC_RNDNN);
1390 mpc_cos (n, n, MPC_RNDNN);
1391 mpc_tan (n, n, MPC_RNDNN);
1392 mpc_sinh (n, n, MPC_RNDNN);
1393 mpc_cosh (n, n, MPC_RNDNN);
1394 mpc_tanh (n, n, MPC_RNDNN);
1395 mpc_exp (n, n, MPC_RNDNN);
1396 mpc_log (n, n, MPC_RNDNN);
1397 mpc_sqrt (n, n, MPC_RNDNN);
1398 mpc_proj (n, n, MPC_RNDNN);
1399 mpc_neg (n, n, MPC_RNDNN);
1400 mpc_sqr (n, n, MPC_RNDNN);
1401 mpc_clear (n);
1402 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1403 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1404 LIBS="$saved_LIBS"
1405 fi
1406
1407 CFLAGS="$saved_CFLAGS"
1408
1409 if test x$have_gmp != xyes; then
1410 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1411Try the --with-gmp and/or --with-mpfr options to specify their locations.
1412Copies of these libraries' source code can be found at their respective
1413hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1414See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1415If you obtained GMP and/or MPFR from a vendor distribution package, make
1416sure that you have installed both the libraries and the header files.
1417They may be located in separate packages.])
1418 fi
1419fi
1420
1421if test x$have_mpc != xyes ; then
1422 mpcinc=
1423 mpclibs=
1424fi
1425
1426gmpinc="$mpcinc $gmpinc"
1427gmplibs="$mpclibs $gmplibs"
1428
1429# Flags needed for both GMP, MPFR and/or MPC.
1430AC_SUBST(gmplibs)
1431AC_SUBST(gmpinc)
1432AC_SUBST(extra_mpfr_configure_flags)
1433AC_SUBST(extra_mpc_gmp_configure_flags)
1434AC_SUBST(extra_mpc_mpfr_configure_flags)
1435
1436# Allow host libstdc++ to be specified for static linking with PPL.
1437AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1438 when linking with PPL])
1439
1440case $with_host_libstdcxx in
1441 no|yes)
1442 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1443 ;;
1444esac
1445
1446# Linker flags to use for stage1 or when not boostrapping.
1447AC_ARG_WITH(stage1-ldflags,
1448[ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1449[if test "$withval" = "no" -o "$withval" = "yes"; then
1450 stage1_ldflags=
1451 else
1452 stage1_ldflags=$withval
1453 fi],
1454[stage1_ldflags=])
1455AC_SUBST(stage1_ldflags)
1456
1457# Libraries to use for stage1 or when not bootstrapping.
1458AC_ARG_WITH(stage1-libs,
1459[ -with-stage1-libs=LIBS Libraries for stage1],
1460[if test "$withval" = "no" -o "$withval" = "yes"; then
1461 stage1_libs=
1462 else
1463 stage1_libs=$withval
1464 fi],
1465[stage1_libs=$with_host_libstdcxx])
1466AC_SUBST(stage1_libs)
1467
1468# Linker flags to use for stage2 and later builds.
1469AC_ARG_WITH(boot-ldflags,
1470[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1471[if test "$withval" = "no" -o "$withval" = "yes"; then
1472 poststage1_ldflags=
1473 else
1474 poststage1_ldflags=$withval
1475 fi],
1476[if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1477 poststage1_ldflags=-static-libstdc++
1478 else
1479 poststage1_ldflags=
1480 fi])
1481AC_SUBST(poststage1_ldflags)
1482
1483# Libraries to use for stage2 and later builds. This defaults to the
1484# argument passed to --with-host-libstdcxx.
1485AC_ARG_WITH(boot-libs,
1486[ --with-boot-libs=LIBS Libraries for stage2 and later],
1487[if test "$withval" = "no" -o "$withval" = "yes"; then
1488 poststage1_libs=
1489 else
1490 poststage1_libs=$withval
1491 fi],
1492[poststage1_libs=$with_host_libstdcxx])
1493AC_SUBST(poststage1_libs)
1494
1495# Check for PPL
1496ppl_major_version=0
1497ppl_minor_version=10
1498ppllibs=" -lppl_c -lppl -lgmpxx"
1499pplinc=
1500
1501AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1502 Equivalent to --with-ppl-include=PATH/include
1503 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1504AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1505AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1506
1507case $with_ppl in
1508 no)
1509 ppllibs=
1510 ;;
1511 *)
1512 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1513 pplinc="-I$with_ppl/include $pplinc"
1514 LIBS="$ppllibs $LIBS"
1515 ;;
1516esac
1517if test "x$with_ppl_include" != x; then
1518 pplinc="-I$with_ppl_include $pplinc"
1519fi
1520if test "x$with_ppl_lib" != x; then
1521 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1522 LIBS="$ppllibs $LIBS"
1523fi
1524if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1525 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1526 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1527 LIBS="$ppllibs $LIBS"
1528fi
1529
1530AC_ARG_ENABLE(ppl-version-check,
1531[ --disable-ppl-version-check disable check for PPL version],
1532ENABLE_PPL_CHECK=$enableval,
1533ENABLE_PPL_CHECK=yes)
1534
1535if test "${ENABLE_PPL_CHECK}" = "yes"; then
1536 saved_CFLAGS="$CFLAGS"
1537 CFLAGS="$CFLAGS $pplinc $gmpinc"
1538 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1539 AC_TRY_COMPILE([#include "ppl_c.h"],[
1540 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1541 choke me
1542 #endif
1543 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1544 CFLAGS="$saved_CFLAGS"
1545fi
1546
1547# Flags needed for PPL
1548AC_SUBST(ppllibs)
1549AC_SUBST(pplinc)
1550
1551
1552# Check for CLOOG
1553clooglibs=" -lcloog "
1554clooginc=" -DCLOOG_PPL_BACKEND "
1555
1556AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1557 Equivalent to --with-cloog-include=PATH/include
1558 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1559AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1560AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1561
1562case $with_cloog in
1563 no)
1564 clooglibs=
1565 clooginc=
1566 ;;
1567 *)
1568 clooglibs="-L$with_cloog/lib -lcloog"
1569 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1570 LIBS="$clooglibs $LIBS"
1571 ;;
1572esac
1573if test "x$with_cloog_include" != x; then
1574 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1575fi
1576if test "x$with_cloog_lib" != x; then
1577 clooglibs="-L$with_cloog_lib -lcloog"
1578 LIBS="$clooglibs $LIBS"
1579fi
1580if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1581 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1582 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1583 LIBS="$clooglibs $LIBS"
1584fi
1585
1586AC_ARG_ENABLE(cloog-version-check,
1587[ --disable-cloog-version-check disable check for CLooG version],
1588ENABLE_CLOOG_CHECK=$enableval,
1589ENABLE_CLOOG_CHECK=yes)
1590
1591if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1592 saved_CFLAGS="$CFLAGS"
1593 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1594 AC_MSG_CHECKING([for correct version of CLooG])
1595 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1596 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1597 choke me
1598 #endif
1599 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1600 CFLAGS="$saved_CFLAGS"
1601fi
1602
1603# Flags needed for CLOOG
1604AC_SUBST(clooglibs)
1605AC_SUBST(clooginc)
1606
1607
1608# By default, C is the only stage 1 language.
1609stage1_languages=,c,
1610
1611# Target libraries that we bootstrap.
1612bootstrap_target_libs=,target-libgcc,
1613
1614# Figure out what language subdirectories are present.
1615# Look if the user specified --enable-languages="..."; if not, use
1616# the environment variable $LANGUAGES if defined. $LANGUAGES might
1617# go away some day.
1618# NB: embedded tabs in this IF block -- do not untabify
1619if test -d ${srcdir}/gcc; then
1620 if test x"${enable_languages+set}" != xset; then
1621 if test x"${LANGUAGES+set}" = xset; then
1622 enable_languages="${LANGUAGES}"
1623 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1624 else
1625 enable_languages=all
1626 fi
1627 else
1628 if test x"${enable_languages}" = x ||
1629 test x"${enable_languages}" = xyes;
1630 then
1631 echo configure.in: --enable-languages needs at least one language argument 1>&2
1632 exit 1
1633 fi
1634 fi
1635 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1636
1637 # 'f95' is the old name for the 'fortran' language. We issue a warning
1638 # and make the substitution.
1639 case ,${enable_languages}, in
1640 *,f95,*)
1641 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1642 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1643 ;;
1644 esac
1645
1646 # First scan to see if an enabled language requires some other language.
1647 # We assume that a given config-lang.in will list all the language
1648 # front ends it requires, even if some are required indirectly.
1649 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1650 case ${lang_frag} in
1651 ..) ;;
1652 # The odd quoting in the next line works around
1653 # an apparent bug in bash 1.12 on linux.
1654 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1655 *)
1656 # From the config-lang.in, get $language, $lang_requires
1657 language=
1658 lang_requires=
1659 . ${lang_frag}
1660 for other in ${lang_requires} ; do
1661 case ,${enable_languages}, in
1662 *,$other,*) ;;
1663 *,all,*) ;;
1664 *,$language,*)
1665 echo " \`$other' language required by \`$language'; enabling" 1>&2
1666 enable_languages="${enable_languages},${other}"
1667 ;;
1668 esac
1669 done
1670 ;;
1671 esac
1672 done
1673
1674 new_enable_languages=,c,
1675 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1676 potential_languages=,c,
1677
1678 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1679 case ${lang_frag} in
1680 ..) ;;
1681 # The odd quoting in the next line works around
1682 # an apparent bug in bash 1.12 on linux.
1683 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1684 *)
1685 # From the config-lang.in, get $language, $target_libs,
1686 # $lang_dirs, $boot_language, and $build_by_default
1687 language=
1688 target_libs=
1689 lang_dirs=
1690 subdir_requires=
1691 boot_language=no
1692 build_by_default=yes
1693 . ${lang_frag}
1694 if test x${language} = x; then
1695 echo "${lang_frag} doesn't set \$language." 1>&2
1696 exit 1
1697 fi
1698
1699 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1700 boot_language=yes
1701 fi
1702
1703 case ,${enable_languages}, in
1704 *,${language},*)
1705 # Language was explicitly selected; include it.
1706 add_this_lang=yes
1707 ;;
1708 *,all,*)
1709 # 'all' was selected, select it if it is a default language
1710 add_this_lang=${build_by_default}
1711 ;;
1712 *)
1713 add_this_lang=no
1714 ;;
1715 esac
1716
1717 # Disable languages that need other directories if these aren't available.
1718 for i in $subdir_requires; do
1719 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1720 case ,${enable_languages}, in
1721 *,${language},*)
1722 # Specifically requested language; tell them.
1723 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1724 ;;
1725 *)
1726 # Silently disable.
1727 add_this_lang=unsupported
1728 ;;
1729 esac
1730 done
1731
1732 # Disable Ada if no preexisting GNAT is available.
1733 case ,${enable_languages},:${language}:${have_gnat} in
1734 *,${language},*:ada:no)
1735 # Specifically requested language; tell them.
1736 AC_MSG_ERROR([GNAT is required to build $language])
1737 ;;
1738 *:ada:no)
1739 # Silently disable.
1740 add_this_lang=unsupported
1741 ;;
1742 esac
1743
1744 # Disable a language that is unsupported by the target.
1745 case " $unsupported_languages " in
1746 *" $language "*)
1747 add_this_lang=unsupported
1748 ;;
1749 esac
1750
1751 case $add_this_lang in
1752 unsupported)
1753 # Remove language-dependent dirs.
1754 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1755 ;;
1756 no)
1757 # Remove language-dependent dirs; still show language as supported.
1758 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1759 potential_languages="${potential_languages}${language},"
1760 ;;
1761 yes)
1762 new_enable_languages="${new_enable_languages}${language},"
1763 potential_languages="${potential_languages}${language},"
1764 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1765 case ${boot_language} in
1766 yes)
1767 # Add to (comma-separated) list of stage 1 languages.
1768 stage1_languages="${stage1_languages}${language},"
1769 # We need to bootstrap any supporting libraries.
1770 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1771 ;;
1772 esac
1773 ;;
1774 esac
1775 ;;
1776 esac
1777 done
1778
1779 AC_ARG_ENABLE(stage1-languages,
1780[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1781 stage1. Mostly useful for compiler development.],
1782 [case ,${enable_stage1_languages}, in
1783 ,no,|,,)
1784 # Set it to something that will have no effect in the loop below
1785 enable_stage1_languages=c ;;
1786 ,yes,)
1787 enable_stage1_languages=`echo $new_enable_languages | \
1788 sed -e "s/^,//" -e "s/,$//" ` ;;
1789 *,all,*)
1790 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1791 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1792 esac
1793
1794 # Add "good" languages from enable_stage1_languages to stage1_languages,
1795 # while "bad" languages go in missing_languages. Leave no duplicates.
1796 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1797 case $potential_languages in
1798 *,$i,*)
1799 case $stage1_languages in
1800 *,$i,*) ;;
1801 *) stage1_languages="$stage1_languages$i," ;;
1802 esac ;;
1803 *)
1804 case $missing_languages in
1805 *,$i,*) ;;
1806 *) missing_languages="$missing_languages$i," ;;
1807 esac ;;
1808 esac
1809 done])
1810
1811 # Remove leading/trailing commas that were added for simplicity
1812 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1813 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1815 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1816
1817 if test "x$missing_languages" != x; then
1818 AC_MSG_ERROR([
1819The following requested languages could not be built: ${missing_languages}
1820Supported languages are: ${potential_languages}])
1821 fi
1822 if test "x$new_enable_languages" != "x$enable_languages"; then
1823 echo The following languages will be built: ${new_enable_languages}
1824 enable_languages="$new_enable_languages"
1825 fi
1826
1827 AC_SUBST(stage1_languages)
1828 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1829fi
1830
1831# Handle --disable-<component> generically.
1832for dir in $configdirs $build_configdirs $target_configdirs ; do
1833 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1834 varname=`echo $dirname | sed -e s/+/_/g`
1835 if eval test x\${enable_${varname}} "=" xno ; then
1836 noconfigdirs="$noconfigdirs $dir"
1837 fi
1838done
1839
1840# Check for Boehm's garbage collector
1841AC_ARG_ENABLE(objc-gc,
1842[ --enable-objc-gc enable use of Boehm's garbage collector with the
1843 GNU Objective-C runtime],
1844[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1845 *,objc,*:*:yes:*target-boehm-gc*)
1846 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1847 ;;
1848esac])
1849
1850# Make sure we only build Boehm's garbage collector if required.
1851case ,${enable_languages},:${enable_objc_gc} in
1852 *,objc,*:yes)
1853 # Keep target-boehm-gc if requested for Objective-C.
1854 ;;
1855 *)
1856 # Otherwise remove target-boehm-gc depending on target-libjava.
1857 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1858 noconfigdirs="$noconfigdirs target-boehm-gc"
1859 fi
1860 ;;
1861esac
1862
1863# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1864# $build_configdirs and $target_configdirs.
1865# If we have the source for $noconfigdirs entries, add them to $notsupp.
1866
1867notsupp=""
1868for dir in . $skipdirs $noconfigdirs ; do
1869 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1870 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1871 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1872 if test -r $srcdir/$dirname/configure ; then
1873 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1874 true
1875 else
1876 notsupp="$notsupp $dir"
1877 fi
1878 fi
1879 fi
1880 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1881 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1882 if test -r $srcdir/$dirname/configure ; then
1883 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1884 true
1885 else
1886 notsupp="$notsupp $dir"
1887 fi
1888 fi
1889 fi
1890 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1891 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1892 if test -r $srcdir/$dirname/configure ; then
1893 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1894 true
1895 else
1896 notsupp="$notsupp $dir"
1897 fi
1898 fi
1899 fi
1900done
1901
1902# Sometimes the tools are distributed with libiberty but with no other
1903# libraries. In that case, we don't want to build target-libiberty.
1904# Don't let libgcc imply libiberty either.
1905if test -n "${target_configdirs}" ; then
1906 libgcc=
1907 others=
1908 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1909 if test "$i" = "libgcc"; then
1910 libgcc=target-libgcc
1911 elif test "$i" != "libiberty" ; then
1912 if test -r $srcdir/$i/configure ; then
1913 others=yes;
1914 break;
1915 fi
1916 fi
1917 done
1918 if test -z "${others}" ; then
1919 target_configdirs=$libgcc
1920 fi
1921fi
1922
1923# Quietly strip out all directories which aren't configurable in this tree.
1924# This relies on all configurable subdirectories being autoconfiscated, which
1925# is now the case.
1926build_configdirs_all="$build_configdirs"
1927build_configdirs=
1928for i in ${build_configdirs_all} ; do
1929 j=`echo $i | sed -e s/build-//g`
1930 if test -f ${srcdir}/$j/configure ; then
1931 build_configdirs="${build_configdirs} $i"
1932 fi
1933done
1934
1935configdirs_all="$configdirs"
1936configdirs=
1937for i in ${configdirs_all} ; do
1938 if test -f ${srcdir}/$i/configure ; then
1939 configdirs="${configdirs} $i"
1940 fi
1941done
1942
1943target_configdirs_all="$target_configdirs"
1944target_configdirs=
1945for i in ${target_configdirs_all} ; do
1946 j=`echo $i | sed -e s/target-//g`
1947 if test -f ${srcdir}/$j/configure ; then
1948 target_configdirs="${target_configdirs} $i"
1949 fi
1950done
1951
1952# Produce a warning message for the subdirs we can't configure.
1953# This isn't especially interesting in the Cygnus tree, but in the individual
1954# FSF releases, it's important to let people know when their machine isn't
1955# supported by the one or two programs in a package.
1956
1957if test -n "${notsupp}" && test -z "${norecursion}" ; then
1958 # If $appdirs is non-empty, at least one of those directories must still
1959 # be configured, or we error out. (E.g., if the gas release supports a
1960 # specified target in some subdirs but not the gas subdir, we shouldn't
1961 # pretend that all is well.)
1962 if test -n "$appdirs" ; then
1963 for dir in $appdirs ; do
1964 if test -r $dir/Makefile.in ; then
1965 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1966 appdirs=""
1967 break
1968 fi
1969 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1970 appdirs=""
1971 break
1972 fi
1973 fi
1974 done
1975 if test -n "$appdirs" ; then
1976 echo "*** This configuration is not supported by this package." 1>&2
1977 exit 1
1978 fi
1979 fi
1980 # Okay, some application will build, or we don't care to check. Still
1981 # notify of subdirs not getting built.
1982 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1983 echo " ${notsupp}" 1>&2
1984 echo " (Any other directories should still work fine.)" 1>&2
1985fi
1986
1987case "$host" in
1988 *msdosdjgpp*)
1989 enable_gdbtk=no ;;
1990esac
1991
1992# To find our prefix, in gcc_cv_tool_prefix.
1993ACX_TOOL_DIRS
1994
1995copy_dirs=
1996
1997AC_ARG_WITH([build-sysroot],
1998 [ --with-build-sysroot=SYSROOT
1999 use sysroot as the system root during the build],
2000 [if test x"$withval" != x ; then
2001 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2002 fi],
2003 [SYSROOT_CFLAGS_FOR_TARGET=])
2004AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2005
2006AC_ARG_WITH([debug-prefix-map],
2007 [ --with-debug-prefix-map='A=B C=D ...'
2008 map A to B, C to D ... in debug information],
2009 [if test x"$withval" != x; then
2010 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2011 for debug_map in $withval; do
2012 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2013 done
2014 fi],
2015 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2016AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2017
2018# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2019# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2020# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2021# We want to ensure that TARGET libraries (which we know are built with
2022# gcc) are built with "-O2 -g", so include those options when setting
2023# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2024if test "x$CFLAGS_FOR_TARGET" = x; then
2025 CFLAGS_FOR_TARGET=$CFLAGS
2026 case " $CFLAGS " in
2027 *" -O2 "*) ;;
2028 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2029 esac
2030 case " $CFLAGS " in
2031 *" -g "* | *" -g3 "*) ;;
2032 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2033 esac
2034fi
2035AC_SUBST(CFLAGS_FOR_TARGET)
2036
2037if test "x$CXXFLAGS_FOR_TARGET" = x; then
2038 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2039 case " $CXXFLAGS " in
2040 *" -O2 "*) ;;
2041 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2042 esac
2043 case " $CXXFLAGS " in
2044 *" -g "* | *" -g3 "*) ;;
2045 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2046 esac
2047fi
2048AC_SUBST(CXXFLAGS_FOR_TARGET)
2049
2050# Handle --with-headers=XXX. If the value is not "yes", the contents of
2051# the named directory are copied to $(tooldir)/sys-include.
2052if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2053 if test x${is_cross_compiler} = xno ; then
2054 echo 1>&2 '***' --with-headers is only supported when cross compiling
2055 exit 1
2056 fi
2057 if test x"${with_headers}" != xyes ; then
2058 x=${gcc_cv_tool_prefix}
2059 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2060 fi
2061fi
2062
2063# Handle --with-libs=XXX. If the value is not "yes", the contents of
2064# the name directories are copied to $(tooldir)/lib. Multiple directories
2065# are permitted.
2066if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2067 if test x${is_cross_compiler} = xno ; then
2068 echo 1>&2 '***' --with-libs is only supported when cross compiling
2069 exit 1
2070 fi
2071 if test x"${with_libs}" != xyes ; then
2072 # Copy the libraries in reverse order, so that files in the first named
2073 # library override files in subsequent libraries.
2074 x=${gcc_cv_tool_prefix}
2075 for l in ${with_libs}; do
2076 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2077 done
2078 fi
2079fi
2080
2081# Set with_gnu_as and with_gnu_ld as appropriate.
2082#
2083# This is done by determining whether or not the appropriate directory
2084# is available, and by checking whether or not specific configurations
2085# have requested that this magic not happen.
2086#
2087# The command line options always override the explicit settings in
2088# configure.in, and the settings in configure.in override this magic.
2089#
2090# If the default for a toolchain is to use GNU as and ld, and you don't
2091# want to do that, then you should use the --without-gnu-as and
2092# --without-gnu-ld options for the configure script.
2093
2094if test x${use_gnu_as} = x &&
2095 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2096 with_gnu_as=yes
2097 extra_host_args="$extra_host_args --with-gnu-as"
2098fi
2099
2100if test x${use_gnu_ld} = x &&
2101 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2102 with_gnu_ld=yes
2103 extra_host_args="$extra_host_args --with-gnu-ld"
2104fi
2105
2106# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2107# can detect this case.
2108
2109if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2110 with_newlib=yes
2111 extra_host_args="$extra_host_args --with-newlib"
2112fi
2113
2114# Handle ${copy_dirs}
2115set fnord ${copy_dirs}
2116shift
2117while test $# != 0 ; do
2118 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2119 :
2120 else
2121 echo Copying $1 to $2
2122
2123 # Use the install script to create the directory and all required
2124 # parent directories.
2125 if test -d $2 ; then
2126 :
2127 else
2128 echo >config.temp
2129 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2130 fi
2131
2132 # Copy the directory, assuming we have tar.
2133 # FIXME: Should we use B in the second tar? Not all systems support it.
2134 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2135
2136 # It is the responsibility of the user to correctly adjust all
2137 # symlinks. If somebody can figure out how to handle them correctly
2138 # here, feel free to add the code.
2139
2140 echo $1 > $2/COPIED
2141 fi
2142 shift; shift
2143done
2144
2145# Determine a target-dependent exec_prefix that the installed
2146# gcc will search in. Keep this list sorted by triplet, with
2147# the *-*-osname triplets last.
2148md_exec_prefix=
2149case "${target}" in
2150 alpha*-*-*vms*)
2151 md_exec_prefix=/gnu/lib/gcc-lib
2152 ;;
2153 i[[34567]]86-pc-msdosdjgpp*)
2154 md_exec_prefix=/dev/env/DJDIR/bin
2155 ;;
2156 i[[34567]]86-*-sco3.2v5*)
2157 if test $with_gnu_as = yes; then
2158 md_exec_prefix=/usr/gnu/bin
2159 else
2160 md_exec_prefix=/usr/ccs/bin/elf
2161 fi
2162 ;;
2163
2164 mn10300-*-* | \
2165 powerpc-*-chorusos* | \
2166 powerpc*-*-eabi* | \
2167 powerpc*-*-sysv* | \
2168 powerpc*-*-kaos* | \
2169 s390x-ibm-tpf*)
2170 md_exec_prefix=/usr/ccs/bin
2171 ;;
2172 sparc64-*-elf*)
2173 ;;
2174 v850*-*-*)
2175 md_exec_prefix=/usr/ccs/bin
2176 ;;
2177 xtensa*-*-elf*)
2178 ;;
2179
2180 *-*-beos* | \
2181 *-*-elf* | \
2182 *-*-hpux* | \
2183 *-*-netware* | \
2184 *-*-nto-qnx* | \
2185 *-*-rtems* | \
2186 *-*-solaris2* | \
2187 *-*-sysv[[45]]* | \
2188 *-*-vxworks* | \
2189 *-wrs-windiss)
2190 md_exec_prefix=/usr/ccs/bin
2191 ;;
2192esac
2193
2194extra_arflags_for_target=
2195extra_nmflags_for_target=
2196extra_ranlibflags_for_target=
2197target_makefile_frag=/dev/null
2198case "${target}" in
2199 mep*-*-*)
2200 target_makefile_frag="config/mt-mep"
2201 ;;
2202 spu-*-*)
2203 target_makefile_frag="config/mt-spu"
2204 ;;
2205 mips*-sde-elf*)
2206 target_makefile_frag="config/mt-sde"
2207 ;;
2208 mipsisa*-*-elfoabi*)
2209 target_makefile_frag="config/mt-mips-elfoabi"
2210 ;;
2211 mips*-*-*linux* | mips*-*-gnu*)
2212 target_makefile_frag="config/mt-mips-gnu"
2213 ;;
2214 *-*-netware*)
2215 target_makefile_frag="config/mt-netware"
2216 ;;
2217 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2218 target_makefile_frag="config/mt-gnu"
2219 ;;
2220 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2221 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2222 # commands to handle both 32-bit and 64-bit objects. These flags are
2223 # harmless if we're using GNU nm or ar.
2224 extra_arflags_for_target=" -X32_64"
2225 extra_nmflags_for_target=" -B -X32_64"
2226 ;;
2227 *-*-darwin*)
2228 # ranlib from Darwin requires the -c flag to look at common symbols.
2229 extra_ranlibflags_for_target=" -c"
2230 ;;
2231 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2232 target_makefile_frag="config/mt-wince"
2233 ;;
2234esac
2235
2236alphaieee_frag=/dev/null
2237case $target in
2238 alpha*-*-*)
2239 # This just makes sure to use the -mieee option to build target libs.
2240 # This should probably be set individually by each library.
2241 alphaieee_frag="config/mt-alphaieee"
2242 ;;
2243esac
2244
2245# If --enable-target-optspace always use -Os instead of -O2 to build
2246# the target libraries, similarly if it is not specified, use -Os
2247# on selected platforms.
2248ospace_frag=/dev/null
2249case "${enable_target_optspace}:${target}" in
2250 yes:*)
2251 ospace_frag="config/mt-ospace"
2252 ;;
2253 :d30v-*)
2254 ospace_frag="config/mt-d30v"
2255 ;;
2256 :m32r-* | :d10v-* | :fr30-*)
2257 ospace_frag="config/mt-ospace"
2258 ;;
2259 no:* | :*)
2260 ;;
2261 *)
2262 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2263 ;;
2264esac
2265
2266# Default to using --with-stabs for certain targets.
2267if test x${with_stabs} = x ; then
2268 case "${target}" in
2269 mips*-*-irix[[56]]*)
2270 ;;
2271 mips*-*-* | alpha*-*-osf*)
2272 with_stabs=yes;
2273 extra_host_args="${extra_host_args} --with-stabs"
2274 ;;
2275 esac
2276fi
2277
2278# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2279# them automatically.
2280case "${host}" in
2281 hppa*64*-*-hpux11*)
2282 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2283 ;;
2284esac
2285
2286# Some systems (e.g., one of the i386-aix systems the gas testers are
2287# using) don't handle "\$" correctly, so don't use it here.
2288tooldir='${exec_prefix}'/${target_noncanonical}
2289build_tooldir=${tooldir}
2290
2291# Create a .gdbinit file which runs the one in srcdir
2292# and tells GDB to look there for source files.
2293
2294if test -r ${srcdir}/.gdbinit ; then
2295 case ${srcdir} in
2296 .) ;;
2297 *) cat > ./.gdbinit <<EOF
2298# ${NO_EDIT}
2299dir ${srcdir}
2300dir .
2301source ${srcdir}/.gdbinit
2302EOF
2303 ;;
2304 esac
2305fi
2306
2307# Make sure that the compiler is able to generate an executable. If it
2308# can't, we are probably in trouble. We don't care whether we can run the
2309# executable--we might be using a cross compiler--we only care whether it
2310# can be created. At this point the main configure script has set CC.
2311we_are_ok=no
2312echo "int main () { return 0; }" > conftest.c
2313${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2314if test $? = 0 ; then
2315 if test -s conftest || test -s conftest.exe ; then
2316 we_are_ok=yes
2317 fi
2318fi
2319case $we_are_ok in
2320 no)
2321 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2322 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2323 rm -f conftest*
2324 exit 1
2325 ;;
2326esac
2327rm -f conftest*
2328
2329# The Solaris /usr/ucb/cc compiler does not appear to work.
2330case "${host}" in
2331 sparc-sun-solaris2*)
2332 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2333 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2334 could_use=
2335 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2336 if test -d /opt/cygnus/bin ; then
2337 if test "$could_use" = "" ; then
2338 could_use="/opt/cygnus/bin"
2339 else
2340 could_use="$could_use or /opt/cygnus/bin"
2341 fi
2342 fi
2343 if test "$could_use" = "" ; then
2344 echo "Warning: compilation may fail because you're using"
2345 echo "/usr/ucb/cc. You should change your PATH or CC "
2346 echo "variable and rerun configure."
2347 else
2348 echo "Warning: compilation may fail because you're using"
2349 echo "/usr/ucb/cc, when you should use the C compiler from"
2350 echo "$could_use. You should change your"
2351 echo "PATH or CC variable and rerun configure."
2352 fi
2353 fi
2354 ;;
2355esac
2356
2357# Decide which environment variable is used to find dynamic libraries.
2358case "${host}" in
2359 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2360 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2361 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2362 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2363esac
2364
2365# On systems where the dynamic library environment variable is PATH,
2366# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2367# built executables to PATH.
2368if test "$RPATH_ENVVAR" = PATH; then
2369 GCC_SHLIB_SUBDIR=/shlib
2370else
2371 GCC_SHLIB_SUBDIR=
2372fi
2373
2374# Record target_configdirs and the configure arguments for target and
2375# build configuration in Makefile.
2376target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2377build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2378
2379# Determine whether gdb needs tk/tcl or not.
2380# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2381# and in that case we want gdb to be built without tk. Ugh!
2382# In fact I believe gdb is the *only* package directly dependent on tk,
2383# so we should be able to put the 'maybe's in unconditionally and
2384# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2385# 100% sure that that's safe though.
2386
2387gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2388case "$enable_gdbtk" in
2389 no)
2390 GDB_TK="" ;;
2391 yes)
2392 GDB_TK="${gdb_tk}" ;;
2393 *)
2394 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2395 # distro. Eventually someone will fix this and move Insight, nee
2396 # gdbtk to a separate directory.
2397 if test -d ${srcdir}/gdb/gdbtk ; then
2398 GDB_TK="${gdb_tk}"
2399 else
2400 GDB_TK=""
2401 fi
2402 ;;
2403esac
2404CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2405INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2406
2407# Strip out unwanted targets.
2408
2409# While at that, we remove Makefiles if we were started for recursive
2410# configuration, so that the top-level Makefile reconfigures them,
2411# like we used to do when configure itself was recursive.
2412
2413# Loop over modules. $extrasub must be used with care, limiting as
2414# much as possible the usage of range addresses. That's because autoconf
2415# splits the sed script to overcome limits in the number of commands,
2416# and relying on carefully-timed sed passes may turn out to be very hard
2417# to maintain later. In this particular case, you just have to be careful
2418# not to nest @if/@endif pairs, because configure will not warn you at all.
2419
2420AC_ARG_ENABLE([bootstrap],
2421[ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2422enable_bootstrap=default)
2423
2424# Issue errors and warnings for invalid/strange bootstrap combinations.
2425case "$configdirs" in
2426 *gcc*) have_compiler=yes ;;
2427 *) have_compiler=no ;;
2428esac
2429
2430case "$have_compiler:$host:$target:$enable_bootstrap" in
2431 *:*:*:no) ;;
2432
2433 # Default behavior. Enable bootstrap if we have a compiler
2434 # and we are in a native configuration.
2435 yes:$build:$build:default)
2436 enable_bootstrap=yes ;;
2437
2438 *:*:*:default)
2439 enable_bootstrap=no ;;
2440
2441 # We have a compiler and we are in a native configuration, bootstrap is ok
2442 yes:$build:$build:yes)
2443 ;;
2444
2445 # Other configurations, but we have a compiler. Assume the user knows
2446 # what he's doing.
2447 yes:*:*:yes)
2448 AC_MSG_WARN([trying to bootstrap a cross compiler])
2449 ;;
2450
2451 # No compiler: if they passed --enable-bootstrap explicitly, fail
2452 no:*:*:yes)
2453 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2454
2455 # Fail if wrong command line
2456 *)
2457 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2458 ;;
2459esac
2460
2461# Adjust the toplevel makefile according to whether bootstrap was selected.
2462case "$enable_bootstrap" in
2463 yes)
2464 bootstrap_suffix=bootstrap ;;
2465 no)
2466 bootstrap_suffix=no-bootstrap ;;
2467esac
2468
2469for module in ${build_configdirs} ; do
2470 if test -z "${no_recursion}" \
2471 && test -f ${build_subdir}/${module}/Makefile; then
2472 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2473 rm -f ${build_subdir}/${module}/Makefile
2474 fi
2475 extrasub="$extrasub
2476/^@if build-$module\$/d
2477/^@endif build-$module\$/d
2478/^@if build-$module-$bootstrap_suffix\$/d
2479/^@endif build-$module-$bootstrap_suffix\$/d"
2480done
2481for module in ${configdirs} ; do
2482 if test -z "${no_recursion}"; then
2483 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2484 if test -f ${file}; then
2485 echo 1>&2 "*** removing ${file} to force reconfigure"
2486 rm -f ${file}
2487 fi
2488 done
2489 fi
2490 extrasub="$extrasub
2491/^@if $module\$/d
2492/^@endif $module\$/d
2493/^@if $module-$bootstrap_suffix\$/d
2494/^@endif $module-$bootstrap_suffix\$/d"
2495done
2496for module in ${target_configdirs} ; do
2497 if test -z "${no_recursion}" \
2498 && test -f ${target_subdir}/${module}/Makefile; then
2499 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2500 rm -f ${target_subdir}/${module}/Makefile
2501 fi
2502
2503 # We only bootstrap target libraries listed in bootstrap_target_libs.
2504 case $bootstrap_target_libs in
2505 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2506 *) target_bootstrap_suffix=no-bootstrap ;;
2507 esac
2508
2509 extrasub="$extrasub
2510/^@if target-$module\$/d
2511/^@endif target-$module\$/d
2512/^@if target-$module-$target_bootstrap_suffix\$/d
2513/^@endif target-$module-$target_bootstrap_suffix\$/d"
2514done
2515
2516extrasub="$extrasub
2517/^@if /,/^@endif /d"
2518
2519# Create the serialization dependencies. This uses a temporary file.
2520
2521AC_ARG_ENABLE([serial-configure],
2522[ --enable-serial-@<:@{host,target,build}-@:>@configure
2523 force sequential configuration of
2524 sub-packages for the host, target or build
2525 machine, or all sub-packages])
2526
2527case ${enable_serial_configure} in
2528 yes)
2529 enable_serial_build_configure=yes
2530 enable_serial_host_configure=yes
2531 enable_serial_target_configure=yes
2532 ;;
2533esac
2534
2535# These force 'configure's to be done one at a time, to avoid problems
2536# with contention over a shared config.cache.
2537rm -f serdep.tmp
2538echo '# serdep.tmp' > serdep.tmp
2539olditem=
2540test "x${enable_serial_build_configure}" = xyes &&
2541for item in ${build_configdirs} ; do
2542 case ${olditem} in
2543 "") ;;
2544 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2545 esac
2546 olditem=${item}
2547done
2548olditem=
2549test "x${enable_serial_host_configure}" = xyes &&
2550for item in ${configdirs} ; do
2551 case ${olditem} in
2552 "") ;;
2553 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2554 esac
2555 olditem=${item}
2556done
2557olditem=
2558test "x${enable_serial_target_configure}" = xyes &&
2559for item in ${target_configdirs} ; do
2560 case ${olditem} in
2561 "") ;;
2562 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2563 esac
2564 olditem=${item}
2565done
2566serialization_dependencies=serdep.tmp
2567AC_SUBST_FILE(serialization_dependencies)
2568
2569# Base args. Strip norecursion, cache-file, srcdir, host, build,
2570# target, nonopt, and variable assignments. These are the ones we
2571# might not want to pass down to subconfigures. Also strip
2572# program-prefix, program-suffix, and program-transform-name, so that
2573# we can pass down a consistent program-transform-name.
2574baseargs=
2575keep_next=no
2576skip_next=no
2577eval "set -- $ac_configure_args"
2578for ac_arg
2579do
2580 if test X"$skip_next" = X"yes"; then
2581 skip_next=no
2582 continue
2583 fi
2584 if test X"$keep_next" = X"yes"; then
2585 case $ac_arg in
2586 *\'*)
2587 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2588 esac
2589 baseargs="$baseargs '$ac_arg'"
2590 keep_next=no
2591 continue
2592 fi
2593
2594 # Handle separated arguments. Based on the logic generated by
2595 # autoconf 2.59.
2596 case $ac_arg in
2597 *=* | --config-cache | -C | -disable-* | --disable-* \
2598 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2599 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2600 | -with-* | --with-* | -without-* | --without-* | --x)
2601 separate_arg=no
2602 ;;
2603 -*)
2604 separate_arg=yes
2605 ;;
2606 *)
2607 separate_arg=no
2608 ;;
2609 esac
2610
2611 case "$ac_arg" in
2612 --no*)
2613 continue
2614 ;;
2615 --c* | \
2616 --sr* | \
2617 --ho* | \
2618 --bu* | \
2619 --t* | \
2620 --program-* | \
2621 -cache_file* | \
2622 -srcdir* | \
2623 -host* | \
2624 -build* | \
2625 -target* | \
2626 -program-prefix* | \
2627 -program-suffix* | \
2628 -program-transform-name* )
2629 skip_next=$separate_arg
2630 continue
2631 ;;
2632 -*)
2633 # An option. Add it.
2634 case $ac_arg in
2635 *\'*)
2636 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2637 esac
2638 baseargs="$baseargs '$ac_arg'"
2639 keep_next=$separate_arg
2640 ;;
2641 *)
2642 # Either a variable assignment, or a nonopt (triplet). Don't
2643 # pass it down; let the Makefile handle this.
2644 continue
2645 ;;
2646 esac
2647done
2648# Remove the initial space we just introduced and, as these will be
2649# expanded by make, quote '$'.
2650baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2651
2652# Add in --program-transform-name, after --program-prefix and
2653# --program-suffix have been applied to it. Autoconf has already
2654# doubled dollar signs and backslashes in program_transform_name; we want
2655# the backslashes un-doubled, and then the entire thing wrapped in single
2656# quotes, because this will be expanded first by make and then by the shell.
2657# Also, because we want to override the logic in subdir configure scripts to
2658# choose program_transform_name, replace any s,x,x, with s,y,y,.
2659sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2660${program_transform_name}
2661EOF_SED
2662gcc_transform_name=`cat conftestsed.out`
2663rm -f conftestsed.out
2664baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2665if test "$silent" = yes; then
2666 baseargs="$baseargs --silent"
2667fi
2668baseargs="$baseargs --disable-option-checking"
2669
2670# For the build-side libraries, we just need to pretend we're native,
2671# and not use the same cache file. Multilibs are neither needed nor
2672# desired.
2673build_configargs="--cache-file=../config.cache ${baseargs}"
2674
2675# For host modules, accept cache file option, or specification as blank.
2676case "${cache_file}" in
2677"") # empty
2678 cache_file_option="" ;;
2679/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2680 cache_file_option="--cache-file=${cache_file}" ;;
2681*) # relative path
2682 cache_file_option="--cache-file=../${cache_file}" ;;
2683esac
2684
2685# Host dirs don't like to share a cache file either, horribly enough.
2686# This seems to be due to autoconf 2.5x stupidity.
2687host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2688
2689target_configargs=${baseargs}
2690
2691# Passing a --with-cross-host argument lets the target libraries know
2692# whether they are being built with a cross-compiler or being built
2693# native. However, it would be better to use other mechanisms to make the
2694# sorts of decisions they want to make on this basis. Please consider
2695# this option to be deprecated. FIXME.
2696if test x${is_cross_compiler} = xyes ; then
2697 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2698fi
2699
2700# Default to --enable-multilib.
2701if test x${enable_multilib} = x ; then
2702 target_configargs="--enable-multilib ${target_configargs}"
2703fi
2704
2705# Pass --with-newlib if appropriate. Note that target_configdirs has
2706# changed from the earlier setting of with_newlib.
2707if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2708 target_configargs="--with-newlib ${target_configargs}"
2709fi
2710
2711# Different target subdirs use different values of certain variables
2712# (notably CXX). Worse, multilibs use *lots* of different values.
2713# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2714# it doesn't automatically accept command-line overrides of them.
2715# This means it's not safe for target subdirs to share a cache file,
2716# which is disgusting, but there you have it. Hopefully this can be
2717# fixed in future. It's still worthwhile to use a cache file for each
2718# directory. I think.
2719
2720# Pass the appropriate --build, --host, --target and --cache-file arguments.
2721# We need to pass --target, as newer autoconf's requires consistency
2722# for target_alias and gcc doesn't manage it consistently.
2723target_configargs="--cache-file=./config.cache ${target_configargs}"
2724
2725FLAGS_FOR_TARGET=
2726case " $target_configdirs " in
2727 *" newlib "*)
2728 case " $target_configargs " in
2729 *" --with-newlib "*)
2730 case "$target" in
2731 *-cygwin*)
2732 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' ;;
2733 esac
2734
2735 # If we're not building GCC, don't discard standard headers.
2736 if test -d ${srcdir}/gcc; then
2737 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2738
2739 if test "${build}" != "${host}"; then
2740 # On Canadian crosses, CC_FOR_TARGET will have already been set
2741 # by `configure', so we won't have an opportunity to add -Bgcc/
2742 # to it. This is right: we don't want to search that directory
2743 # for binaries, but we want the header files in there, so add
2744 # them explicitly.
2745 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2746
2747 # Someone might think of using the pre-installed headers on
2748 # Canadian crosses, in case the installed compiler is not fully
2749 # compatible with the compiler being built. In this case, it
2750 # would be better to flag an error than risking having
2751 # incompatible object files being constructed. We can't
2752 # guarantee that an error will be flagged, but let's hope the
2753 # compiler will do it, when presented with incompatible header
2754 # files.
2755 fi
2756 fi
2757
2758 case "${target}-${is_cross_compiler}" in
2759 i[[3456789]]86-*-linux*-no)
2760 # Here host == target, so we don't need to build gcc,
2761 # so we don't want to discard standard headers.
2762 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2763 ;;
2764 *)
2765 # If we're building newlib, use its generic headers last, but search
2766 # for any libc-related directories first (so make it the last -B
2767 # switch).
2768 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2769
2770 # If we're building libgloss, find the startup file, simulator library
2771 # and linker script.
2772 case " $target_configdirs " in
2773 *" libgloss "*)
2774 # Look for startup file, simulator library and maybe linker script.
2775 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2776 # Look for libnosys.a in case the target needs it.
2777 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2778 # Most targets have the linker script in the source directory.
2779 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2780 ;;
2781 esac
2782 ;;
2783 esac
2784 ;;
2785 esac
2786 ;;
2787esac
2788case "$target" in
2789*-mingw*)
2790 # Can't be handled as Cygwin above since Mingw does not use newlib.
2791 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2792esac
2793
2794# Allow the user to override the flags for
2795# our build compiler if desired.
2796if test x"${build}" = x"${host}" ; then
2797 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2798 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2799 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2800fi
2801
2802# On Canadian crosses, we'll be searching the right directories for
2803# the previously-installed cross compiler, so don't bother to add
2804# flags for directories within the install tree of the compiler
2805# being built; programs in there won't even run.
2806if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2807 # Search for pre-installed headers if nothing else fits.
2808 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2809fi
2810
2811if test "x${use_gnu_ld}" = x &&
2812 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2813 # Arrange for us to find uninstalled linker scripts.
2814 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2815fi
2816
2817# Search for other target-specific linker scripts and such.
2818case "${target}" in
2819 mep*)
2820 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2821 ;;
2822esac
2823
2824# Makefile fragments.
2825for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2826do
2827 eval fragval=\$$frag
2828 if test $fragval != /dev/null; then
2829 eval $frag=${srcdir}/$fragval
2830 fi
2831done
2832AC_SUBST_FILE(host_makefile_frag)
2833AC_SUBST_FILE(target_makefile_frag)
2834AC_SUBST_FILE(alphaieee_frag)
2835AC_SUBST_FILE(ospace_frag)
2836
2837# Miscellanea: directories, flags, etc.
2838AC_SUBST(RPATH_ENVVAR)
2839AC_SUBST(GCC_SHLIB_SUBDIR)
2840AC_SUBST(tooldir)
2841AC_SUBST(build_tooldir)
2842AC_SUBST(CONFIGURE_GDB_TK)
2843AC_SUBST(GDB_TK)
2844AC_SUBST(INSTALL_GDB_TK)
2845
2846# Build module lists & subconfigure args.
2847AC_SUBST(build_configargs)
2848AC_SUBST(build_configdirs)
2849
2850# Host module lists & subconfigure args.
2851AC_SUBST(host_configargs)
2852AC_SUBST(configdirs)
2853
2854# Target module lists & subconfigure args.
2855AC_SUBST(target_configargs)
2856
2857
2858# Build tools.
2859AC_SUBST(AR_FOR_BUILD)
2860AC_SUBST(AS_FOR_BUILD)
2861AC_SUBST(CC_FOR_BUILD)
2862AC_SUBST(CFLAGS_FOR_BUILD)
2863AC_SUBST(CXXFLAGS_FOR_BUILD)
2864AC_SUBST(CXX_FOR_BUILD)
2865AC_SUBST(DLLTOOL_FOR_BUILD)
2866AC_SUBST(GCJ_FOR_BUILD)
2867AC_SUBST(GFORTRAN_FOR_BUILD)
2868AC_SUBST(LDFLAGS_FOR_BUILD)
2869AC_SUBST(LD_FOR_BUILD)
2870AC_SUBST(NM_FOR_BUILD)
2871AC_SUBST(RANLIB_FOR_BUILD)
2872AC_SUBST(WINDMC_FOR_BUILD)
2873AC_SUBST(WINDRES_FOR_BUILD)
2874AC_SUBST(config_shell)
2875
2876# Generate default definitions for YACC, M4, LEX and other programs that run
2877# on the build machine. These are used if the Makefile can't locate these
2878# programs in objdir.
2879MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2880
2881AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2882case " $build_configdirs " in
2883 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2884 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2885esac
2886
2887AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2888case " $build_configdirs " in
2889 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2890esac
2891
2892AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2893case " $build_configdirs " in
2894 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2895esac
2896
2897AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2898case " $build_configdirs " in
2899 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2900 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2901esac
2902
2903AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2904case " $build_configdirs " in
2905 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2906esac
2907
2908AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2909case " $build_configdirs " in
2910 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2911 *)
2912changequote(,)
2913 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2914 # higher, else we use the "missing" dummy.
2915 if ${MAKEINFO} --version \
2916 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2917 :
2918 else
2919 MAKEINFO="$MISSING makeinfo"
2920 fi
2921 ;;
2922changequote([,])
2923esac
2924
2925# FIXME: expect and dejagnu may become build tools?
2926
2927AC_CHECK_PROGS(EXPECT, expect, expect)
2928case " $configdirs " in
2929 *" expect "*)
2930 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2931 ;;
2932esac
2933
2934AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2935case " $configdirs " in
2936 *" dejagnu "*)
2937 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2938 ;;
2939esac
2940
2941
2942# Host tools.
2943NCN_STRICT_CHECK_TOOLS(AR, ar)
2944NCN_STRICT_CHECK_TOOLS(AS, as)
2945NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2946NCN_STRICT_CHECK_TOOLS(LD, ld)
2947NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2948NCN_STRICT_CHECK_TOOLS(NM, nm)
2949NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2950NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2951NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2952NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2953NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2954NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2955AC_SUBST(CC)
2956AC_SUBST(CXX)
2957AC_SUBST(CFLAGS)
2958AC_SUBST(CXXFLAGS)
2959
2960# Target tools.
2961AC_ARG_WITH([build-time-tools],
2962 [ --with-build-time-tools=PATH
2963 use given path to find target tools during the build],
2964 [case x"$withval" in
2965 x/*) ;;
2966 *)
2967 with_build_time_tools=
2968 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2969 ;;
2970 esac],
2971 [with_build_time_tools=])
2972
2973NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2974NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2975NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2976NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2977NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2978
2979ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2980ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2981ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2982ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2983ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2984ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2985ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2986ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2987ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2988ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2989ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
2990
2991RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2992
2993GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2994GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2995GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2996GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2997 [gcc/g++ -B$$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],
2998 c++)
2999GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3000 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3001 c++)
3002GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3003GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3004GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3005 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3006GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3007 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3008GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3009GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3010GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3011GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3012GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3013GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3014GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3015GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3016
3017AC_SUBST(FLAGS_FOR_TARGET)
3018AC_SUBST(RAW_CXX_FOR_TARGET)
3019
3020# Certain tools may need extra flags.
3021AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3022RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3023NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3024
3025# When building target libraries, except in a Canadian cross, we use
3026# the same toolchain as the compiler we just built.
3027COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3028COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3029COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3030if test $host = $build; then
3031 case " $configdirs " in
3032 *" gcc "*)
3033 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3034 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3035 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3036 ;;
3037 esac
3038fi
3039
3040AC_SUBST(COMPILER_AS_FOR_TARGET)
3041AC_SUBST(COMPILER_LD_FOR_TARGET)
3042AC_SUBST(COMPILER_NM_FOR_TARGET)
3043
3044AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3045AC_ARG_ENABLE(maintainer-mode,
3046[ --enable-maintainer-mode enable make rules and dependencies not useful
3047 (and sometimes confusing) to the casual installer],
3048 USE_MAINTAINER_MODE=$enableval,
3049 USE_MAINTAINER_MODE=no)
3050AC_MSG_RESULT($USE_MAINTAINER_MODE)
3051AC_SUBST(MAINTAINER_MODE_TRUE)
3052AC_SUBST(MAINTAINER_MODE_FALSE)
3053if test "$USE_MAINTAINER_MODE" = yes; then
3054 MAINTAINER_MODE_TRUE=
3055 MAINTAINER_MODE_FALSE='#'
3056else
3057 MAINTAINER_MODE_TRUE='#'
3058 MAINTAINER_MODE_FALSE=
3059fi
3060MAINT=$MAINTAINER_MODE_TRUE
3061AC_SUBST(MAINT)dnl
3062
3063# ---------------------
3064# GCC bootstrap support
3065# ---------------------
3066
3067# Stage specific cflags for build.
3068stage1_cflags="-g"
3069case $build in
3070 vax-*-*)
3071 case ${GCC} in
3072 yes) stage1_cflags="-g -Wa,-J" ;;
3073 *) stage1_cflags="-g -J" ;;
3074 esac ;;
3075esac
3076
3077# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3078if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3079 saved_CFLAGS="$CFLAGS"
3080
3081 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3082 CFLAGS="$CFLAGS -fkeep-inline-functions"
3083 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3084 AC_TRY_COMPILE([
3085#if (__GNUC__ < 3) \
3086 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3087 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3088#error http://gcc.gnu.org/PR29382
3089#endif
3090 ],,
3091 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3092 [AC_MSG_RESULT([no])])
3093
3094 CFLAGS="$saved_CFLAGS"
3095fi
3096
3097AC_SUBST(stage1_cflags)
3098
3099# Enable --enable-checking in stage1 of the compiler.
3100AC_ARG_ENABLE(stage1-checking,
3101[ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3102 of the compiler],
3103[stage1_checking=--enable-checking=${enable_stage1_checking}],
3104[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3105 stage1_checking=--enable-checking=yes,types
3106else
3107 stage1_checking=--enable-checking=$enable_checking,types
3108fi])
3109AC_SUBST(stage1_checking)
3110
3111# Enable -Werror in bootstrap stage2 and later.
3112AC_ARG_ENABLE(werror,
3113[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3114[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3115 enable_werror=yes
3116else
3117 enable_werror=no
3118fi])
3119case ${enable_werror} in
3120 yes) stage2_werror_flag="--enable-werror-always" ;;
3121 *) stage2_werror_flag="" ;;
3122esac
3123AC_SUBST(stage2_werror_flag)
3124
3125# Specify what files to not compare during bootstrap.
3126
3127compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3128case "$target" in
3129 hppa*64*-*-hpux*) ;;
3130 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3131esac
3132AC_SUBST(compare_exclusions)
3133
3134AC_OUTPUT(Makefile)