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Merge from GCC versions
[deliverable/binutils-gdb.git] / configure.in
CommitLineData
75205f78 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
e31d1ea3 2# 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
252b5132
RH		 3#
4# This file is free software; you can redistribute it and/or modify it
5# under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 2 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful, but
10# WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12# General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18##############################################################################
a0da8069
NN		 19### WARNING: this file contains embedded tabs. Do not run untabify on this file.
20
656fdd47
PB		 21sinclude(config/acx.m4)
22
a0da8069 23AC_INIT(move-if-change)
75778ec4 24AC_PREREQ(2.13)
a0da8069
NN		 25AC_CANONICAL_SYSTEM
26AC_ARG_PROGRAM
27
e5c3f801
NN		 28# Get 'install' or 'install-sh' and its variants.
29AC_PROG_INSTALL
656fdd47 30ACX_PROG_LN
dfdffa2c 31AC_PROG_LN_S
e5c3f801 32
a0da8069
NN		 33### we might need to use some other shell than /bin/sh for running subshells
34### If we are on Windows, search for the shell. This will permit people
35### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36### without also having to set CONFIG_SHELL. This code will work when
37### using bash, which sets OSTYPE.
38case "${OSTYPE}" in
39*win32*)
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
43 CONFIG_SHELL=${SHELL}
44 export CONFIG_SHELL
45 else
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
48 for dir in $PATH; do
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
52 export CONFIG_SHELL
53 break
54 fi
55 done
56 IFS="$save_ifs"
57 test -n "${CONFIG_SHELL}" && break
58 done
59 fi
60 fi
61 fi
62 ;;
63esac
64
65config_shell=${CONFIG_SHELL-/bin/sh}
66
a0da8069
NN		 67progname=$0
68# if PWD already has a value, it is probably wrong.
69if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
70
d2cc0e0d 71# Export original configure arguments for use by sub-configures. These
8ff944f6
DJ		 72# will be expanded by make, so quote '$'.
73tmp="$progname $@"
74sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
75$tmp
d2cc0e0d 76EOF_SED
8ff944f6
DJ		 77TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
78rm -f conftestsed.out
586c0873 79AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
a0da8069
NN		 80
81moveifchange=${srcdir}/move-if-change
82
0fdbe983
DJ		 83srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
84
85# We pass INSTALL explicitly to sub-makes. Make sure that it is not
86# a relative path.
87if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
89fi
90
a0da8069
NN		 91# Set srcdir to "." if that's what it is.
92# This is important for multilib support.
93pwd=`${PWDCMD-pwd}`
a0da8069
NN		 94if test "${pwd}" = "${srcpwd}" ; then
95 srcdir=.
96fi
97
98topsrcdir=$srcpwd
252b5132 99
ae831be5
NN		 100extra_host_args=
101# Define the trigger file to make sure configure will re-run whenever
102# the gcc version number changes.
a0da8069
NN		 103if test "${with_gcc_version_trigger+set}" = set ; then
104 gcc_version_trigger="$with_gcc_version_trigger"
105 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
ae831be5 106else
a0da8069
NN		 107 # If gcc's sources are available, define the trigger file.
108 if test -f ${topsrcdir}/gcc/version.c ; then
109 gcc_version_trigger=${topsrcdir}/gcc/version.c
110 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
111 case "$ac_configure_args" in
112 *--with-gcc-version-trigger=$gcc_version_trigger* )
113 ;;
114 * )
115 # Add to all subconfigure arguments: build, host, and target.
e6bfb94a 116 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
a0da8069
NN		 117 ;;
118 esac
119 fi
ae831be5
NN		 120fi
121
252b5132
RH		 122### To add a new directory to the tree, first choose whether it is a target
123### or a host dependent tool. Then put it into the appropriate list
a2cc058a 124### (library or tools, host or target), doing a dependency sort.
252b5132 125
a2cc058a
NN		 126# Subdirs will be configured in the order listed in build_configdirs,
127# configdirs, or target_configdirs; see the serialization section below.
128
129# Dependency sorting is only needed when *configuration* must be done in
130# a particular order. In all cases a dependency should be specified in
131# the Makefile, whether or not it's implicitly specified here.
132
133# Double entries in build_configdirs, configdirs, or target_configdirs may
134# cause circular dependencies and break everything horribly.
252b5132 135
6a9cf61e
PB		 136# these library is used by various programs built for the build
137# environment
138#
139build_libs="build-libiberty"
140
141# these tools are built for the build environment
ee025550 142build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 143
252b5132
RH		 144# these libraries are used by various programs built for the host environment
145#
be75bbe1 146host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
252b5132 147
252b5132
RH		 148# these tools are built for the host environment
149# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
150# know that we are building the simulator.
2af579c4
NN		 151# binutils, gas and ld appear in that order because it makes sense to run
152# "make check" in that particular order.
d3ed111c 153host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
75205f78
DD		 154
155# libgcj represents the runtime libraries only used by gcj.
156libgcj="target-libffi \
157 target-boehm-gc \
158 target-zlib \
159 target-qthreads \
160 target-libjava"
252b5132
RH		 161
162# these libraries are built for the target environment, and are built after
163# the host libraries and the host tools (which may be a cross compiler)
164#
9c14acb8 165target_libraries="target-libiberty \
252b5132
RH		 166 target-libgloss \
167 target-newlib \
b9459e83 168 target-libstdc++-v3 \
4b1cb4fe 169 target-libmudflap \
4b1cb4fe 170 target-libgfortran \
83326456 171 ${libgcj} \
a2592b1b
DD		 172 target-libobjc \
173 target-libada"
252b5132 174
9c14acb8
NN		 175# these tools are built using the target libraries, and are intended to
176# run only in the target environment
252b5132 177#
9c14acb8 178# note: any program that *uses* libraries that are in the "target_libraries"
252b5132
RH		 179# list belongs in this list. those programs are also very likely
180# candidates for the "native_only" list which follows
181#
a3dd767d 182target_tools="target-examples target-groff target-gperf target-rda"
252b5132
RH		 183
184################################################################################
185
252b5132
RH		 186## All tools belong in one of the four categories, and are assigned above
187## We assign ${configdirs} this way to remove all embedded newlines. This
188## is important because configure will choke if they ever get through.
189## ${configdirs} is directories we build using the host tools.
190## ${target_configdirs} is directories we build using the target tools.
252b5132 191configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 192target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 193build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 194
252b5132
RH		 195################################################################################
196
252b5132
RH		 197srcname="gnu development package"
198
199# This gets set non-empty for some net releases of packages.
200appdirs=""
201
c712250a
DD		 202# Define is_cross_compiler to save on calls to 'test'.
203is_cross_compiler=
204if test x"${host}" = x"${target}" ; then
205 is_cross_compiler=no
206else
207 is_cross_compiler=yes
208fi
209
9175bfc0 210# Find the build and target subdir names.
dd12c3a8 211GCC_TOPLEV_SUBDIRS
252b5132 212
f48556b1
DD		 213# Skipdirs are removed silently.
214skipdirs=
215# Noconfigdirs are removed loudly.
216noconfigdirs=""
252b5132 217
f48556b1
DD		 218use_gnu_ld=
219# Make sure we don't let GNU ld be added if we didn't want it.
220if test x$with_gnu_ld = xno ; then
221 use_gnu_ld=no
222 noconfigdirs="$noconfigdirs ld"
252b5132
RH		 223fi
224
f48556b1
DD		 225use_gnu_as=
226# Make sure we don't let GNU as be added if we didn't want it.
227if test x$with_gnu_as = xno ; then
228 use_gnu_as=no
229 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 230fi
231
f48556b1
DD		 232# some tools are so dependent upon X11 that if we're not building with X,
233# it's not even worth trying to configure, much less build, that tool.
252b5132 234
f48556b1
DD		 235case ${with_x} in
236 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 237 no)
675c6968 238 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD		 239 # We won't be able to build gdbtk without X.
240 enable_gdbtk=no
241 ;;
f48556b1
DD		 242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
243esac
252b5132 244
f48556b1 245# Some tools are only suitable for building in a "native" situation.
405ea7a0 246# Remove these if host!=target.
91f0e695 247native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
405ea7a0
NN		 248
249# Similarly, some are only suitable for cross toolchains.
250# Remove these if host=target.
251cross_only="target-libgloss target-newlib target-opcodes"
252b5132 252
f48556b1
DD		 253case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
256esac
252b5132 257
a32d391c
DD		 258# If both --with-headers and --with-libs are specified, default to
259# --without-newlib.
32be62b5
RS		 260if test x"${with_headers}" != x && test x"${with_headers}" != xno \
261 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 262 if test x"${with_newlib}" = x ; then
263 with_newlib=no
264 fi
265fi
266
267# Recognize --with-newlib/--without-newlib.
268case ${with_newlib} in
269 no) skipdirs="${skipdirs} target-newlib" ;;
270 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
271esac
272
252b5132
RH		 273# Configure extra directories which are host specific
274
275case "${host}" in
f48556b1 276 *-cygwin*)
3866be5d 277 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 278esac
279
280# Remove more programs from consideration, based on the host or
281# target this usually means that a port of the program doesn't
282# exist yet.
283
252b5132 284case "${host}" in
75205f78
DD		 285 hppa*64*-*-*)
286 noconfigdirs="$noconfigdirs byacc"
287 ;;
ec11bdc6 288 i[[3456789]]86-*-vsta)
675c6968 289 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
252b5132 290 ;;
ec11bdc6 291 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
675c6968 292 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
bba45b8b 293 ;;
ec11bdc6 294 i[[3456789]]86-*-mingw32*)
675c6968 295 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
a92834c8 296 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
bba45b8b 297 ;;
ec11bdc6 298 i[[3456789]]86-*-beos*)
675c6968 299 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
bba45b8b 300 ;;
252b5132 301 *-*-cygwin*)
a92834c8 302 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
252b5132
RH		 303 ;;
304 *-*-netbsd*)
a92834c8 305 noconfigdirs="$noconfigdirs rcs"
252b5132
RH		 306 ;;
307 ppc*-*-pe)
675c6968 308 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
252b5132 309 ;;
ba73c63f 310 powerpc-*-beos*)
675c6968 311 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
ba73c63f 312 ;;
bbf7c8ac 313 *-*-darwin*)
675c6968 314 noconfigdirs="$noconfigdirs tk itcl libgui"
bbf7c8ac 315 ;;
252b5132
RH		 316esac
317
4b1cb4fe 318
a2592b1b
DD		 319AC_ARG_ENABLE(libada,
320[ --enable-libada Builds libada directory],
321ENABLE_LIBADA=$enableval,
322ENABLE_LIBADA=yes)
323if test "${ENABLE_LIBADA}" != "yes" ; then
324 noconfigdirs="$noconfigdirs target-libada"
325fi
326
96111c10
AO		 327# Save it here so that, even in case of --enable-libgcj, if the Java
328# front-end isn't enabled, we still get libgcj disabled.
329libgcj_saved=$libgcj
330case $enable_libgcj in
331yes)
332 # If we reset it here, it won't get added to noconfigdirs in the
333 # target-specific build rules, so it will be forcibly enabled
334 # (unless the Java language itself isn't enabled).
335 libgcj=
336 ;;
337no)
338 # Make sure we get it printed in the list of not supported target libs.
339 noconfigdirs="$noconfigdirs ${libgcj}"
340 ;;
341esac
342
4b1cb4fe
DD		 343
344# Allow --disable-libmudflap to exclude target-libmudflap
345case $enable_libmudflap in
3e707e94 346yes)
4b1cb4fe
DD		 347 ;;
348no)
349 noconfigdirs="$noconfigdirs target-libmudflap"
350 ;;
3e707e94
PB		 351"")
352 case "${target}" in
3d6dfe0f
NN		 353 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
354 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 355 ;;
356 *-*-freebsd*)
357 # Enable libmudflap by default in FreeBSD.
358 ;;
359 *)
360 # Disable it by default everywhere else.
361 noconfigdirs="$noconfigdirs target-libmudflap"
362 ;;
363 esac
4b1cb4fe
DD		 364esac
365
366
252b5132 367case "${target}" in
75205f78
DD		 368 *-*-chorusos)
369 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
370 ;;
04d1ab34 371 powerpc-*-darwin*)
b3f16a9b 372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
b3f16a9b 373 ;;
04d1ab34
GK		 374 *-*-darwin*)
375 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
fe69863c 376 noconfigdirs="$noconfigdirs ${libgcj}"
04d1ab34 377 ;;
a0da8069 378 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
ffb97b2f
DD		 379 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
380 ;;
de0b4a87 381 *-*-freebsd*)
4b1cb4fe
DD		 382 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
383 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
384 && test -f /usr/local/include/gmp.h; then
385 with_gmp=/usr/local
386 fi
387
388 # Skip some stuff that's unsupported on some FreeBSD configurations.
389 case "${target}" in
390 i*86-*-*) ;;
391 alpha*-*-*) ;;
392 *)
393 noconfigdirs="$noconfigdirs ${libgcj}"
394 ;;
395 esac
396 ;;
f8a495c8
NC		 397 *-*-kaos*)
398 # Remove unsupported stuff on all kaOS configurations.
80b200a1 399 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
f8a495c8
NC		 400 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
401 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
402 noconfigdirs="$noconfigdirs target-libgloss"
403 ;;
e82380cc
JT		 404 *-*-netbsd*)
405 # Skip some stuff on all NetBSD configurations.
ae03d6e2 406 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
e82380cc
JT		 407
408 # Skip some stuff that's unsupported on some NetBSD configurations.
409 case "${target}" in
75205f78 410 i*86-*-netbsdelf*) ;;
5b474aa8 411 arm*-*-netbsdelf*) ;;
e82380cc 412 *)
75205f78 413 noconfigdirs="$noconfigdirs ${libgcj}"
e82380cc
JT		 414 ;;
415 esac
416 ;;
2a3124ca
RH		 417 *-*-netware*)
418 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
252b5132
RH		 419 ;;
420 *-*-rtems*)
75205f78 421 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 422 ;;
c1968181
DD		 423 *-*-uclinux*)
424 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
425 ;;
252b5132 426 *-*-vxworks*)
3a48a978 427 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
252b5132
RH		 428 ;;
429 alpha*-dec-osf*)
e99daf2b
DD		 430 # ld works, but does not support shared libraries.
431 # newlib is not 64 bit ready. I'm not sure about fileutils.
252b5132 432 # gas doesn't generate exception information.
e99daf2b 433 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
252b5132
RH		 434 ;;
435 alpha*-*-*vms*)
caeba88f 436 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss build-fixincludes ${libgcj}"
75205f78
DD		 437 ;;
438 alpha*-*-linux*)
439 # newlib is not 64 bit ready
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH		 441 ;;
442 alpha*-*-*)
443 # newlib is not 64 bit ready
75205f78 444 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 445 ;;
4a18bd6b
AO		 446 am33_2.0-*-linux*)
447 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
448 ;;
75205f78
DD		 449 sh-*-linux*)
450 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
75205f78 451 ;;
2fb651f6 452 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
75205f78
DD		 453 noconfigdirs="$noconfigdirs ${libgcj}"
454 noconfigdirs="$noconfigdirs target-examples"
ba73c63f 455 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
675c6968 456 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6
NC		 457 noconfigdirs="$noconfigdirs expect dejagnu"
458 # the C++ libraries don't build on top of CE's C libraries
b9459e83 459 noconfigdirs="$noconfigdirs target-libstdc++-v3"
ae03d6e2 460 noconfigdirs="$noconfigdirs target-newlib"
2fb651f6
NC		 461 case "${host}" in
462 *-*-cygwin*) ;; # keep gdb and readline
b9459e83 463 *) noconfigdirs="$noconfigdirs gdb readline"
2fb651f6
NC		 464 ;;
465 esac
466 ;;
252b5132 467 arc-*-*)
75205f78 468 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 469 ;;
caeba88f
AL		 470 arm-semi-aof )
471 noconfigdirs="$noconfigdirs build-fixincludes"
472 ;;
f03b4789
NN		 473 arm-*-coff | strongarm-*-coff | xscale-*-coff)
474 noconfigdirs="$noconfigdirs ${libgcj}"
475 ;;
11b04d1f 476 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
f03b4789
NN		 477 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
478 ;;
df4a6958
MM		 479 arm*-*-symbianelf*)
480 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
481 ;;
252b5132 482 arm-*-pe*)
75205f78 483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 484 ;;
252b5132 485 thumb-*-coff)
75205f78 486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 487 ;;
252b5132 488 thumb-*-elf)
75205f78 489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 490 ;;
347dad9e 491 thumb-*-pe)
75205f78 492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 493 ;;
494 arm-*-riscix*)
75205f78 495 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 496 ;;
c95f53ae 497 avr-*-*)
47444073 498 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 build-fixincludes ${libgcj}"
c95f53ae 499 ;;
ff72e302 500 c4x-*-* | tic4x-*-*)
b9459e83 501 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
077b8428
NC		 502 ;;
503 c54x*-*-* | tic54x-*-*)
b9459e83 504 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
75205f78
DD		 505 ;;
506 cris-*-*)
b07c2aad 507 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
077b8428 508 ;;
3e707e94 509 crx-*-*)
0490e016 510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
3e707e94 511 ;;
252b5132 512 d10v-*-*)
b9459e83 513 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 514 ;;
252b5132 515 d30v-*-*)
b07c2aad 516 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 517 ;;
252b5132 518 fr30-*-elf*)
b07c2aad 519 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 520 ;;
d2a86414
DB		 521 frv-*-*)
522 noconfigdirs="$noconfigdirs ${libgcj}"
d2a86414 523 ;;
dd1e52a4 524 h8300*-*-*)
80b200a1 525 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
dd1e52a4 526 ;;
252b5132 527 h8500-*-*)
80b200a1 528 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
75205f78 529 ;;
caeba88f
AL		 530 hppa1.1-*-osf* | hppa1.1-*-bsd* )
531 noconfigdirs="$noconfigdirs build-fixincludes"
532 ;;
75205f78
DD		 533 hppa*64*-*-linux* | parisc*64*-*-linux*)
534 # In this case, it's because the hppa64-linux target is for
535 # the kernel only at this point and has no libc, and thus no
536 # headers, crt*.o, etc., all of which are needed by these.
537 noconfigdirs="$noconfigdirs target-zlib"
252b5132
RH		 538 ;;
539 hppa*-*-*elf* | \
75205f78 540 parisc*-*-linux* | hppa*-*-linux* | \
09e90eb4 541 hppa*-*-lites* | \
17240c1f 542 hppa*-*-openbsd* | \
09e90eb4 543 hppa*64*-*-*)
75205f78 544 noconfigdirs="$noconfigdirs ${libgcj}"
ba73c63f 545 # Do configure ld/binutils/gas for this case.
252b5132
RH		 546 ;;
547 hppa*-*-*)
b3ed1d6b
AO		 548 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
549 # build on HP-UX 10.20.
550 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
252b5132 551 ;;
b07c2aad
HPN		 552 i960-*-*)
553 noconfigdirs="$noconfigdirs ${libgcj} gdb"
554 ;;
2315914d
JW		 555 ia64*-*-elf*)
556 # No gdb support yet.
675c6968 557 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
2315914d 558 ;;
a0c1c920
NC		 559 ia64*-**-hpux*)
560 # No gdb or ld support yet.
675c6968 561 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
a0c1c920 562 ;;
caeba88f
AL		 563 i370-*-opened*)
564 noconfigdirs="$noconfigdirs build-fixincludes"
565 ;;
ec11bdc6 566 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
75205f78 567 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 568 ;;
ec11bdc6 569 i[[3456789]]86-*-linux*)
28f46298
HPN		 570 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
571 # not build java stuff by default.
572 case "${target}" in
573 *-*-*libc1*)
574 noconfigdirs="$noconfigdirs ${libgcj}";;
575 esac
576
c72f388d
TF		 577 # This section makes it possible to build newlib natively on linux.
578 # If we are using a cross compiler then don't configure newlib.
a018e15b 579 if test x${is_cross_compiler} != xno ; then
bba45b8b 580 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF		 581 fi
582 noconfigdirs="$noconfigdirs target-libgloss"
583 # If we are not using a cross compiler, do configure newlib.
584 # Note however, that newlib will only be configured in this situation
585 # if the --with-newlib option has been given, because otherwise
586 # 'target-newlib' will appear in skipdirs.
c72f388d 587 ;;
ec11bdc6 588 i[[3456789]]86-*-mingw32*)
252b5132 589 target_configdirs="$target_configdirs target-mingw"
caeba88f 590 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj} build-fixincludes"
252b5132
RH		 591
592 # Can't build gdb for mingw32 if not native.
593 case "${host}" in
ec11bdc6 594 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
675c6968 595 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
252b5132
RH		 596 ;;
597 esac
598 ;;
599 *-*-cygwin*)
600 target_configdirs="$target_configdirs target-libtermcap target-winsup"
caeba88f 601 noconfigdirs="$noconfigdirs target-gperf target-libgloss build-fixincludes ${libgcj}"
b76d7de0 602 # always build newlib if winsup directory is present.
ac0fa625 603 if test -d "$srcdir/winsup"; then
b76d7de0 604 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 605 elif test -d "$srcdir/newlib"; then
b76d7de0
CV		 606 echo "Warning: winsup is missing so newlib can't be built."
607 fi
252b5132
RH		 608
609 # Can't build gdb for Cygwin if not native.
610 case "${host}" in
611 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
675c6968 612 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
252b5132
RH		 613 ;;
614 esac
615 ;;
caeba88f
AL		 616 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
617 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
618 noconfigdirs="$noconfigdirs build-fixincludes"
619 ;;
ec11bdc6 620 i[[3456789]]86-*-pe)
caeba88f 621 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} build-fixincludes"
252b5132 622 ;;
ec11bdc6 623 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 624 # The linker does not yet know about weak symbols in COFF,
625 # and is not configured to handle mixed ELF and COFF.
75205f78 626 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 627 ;;
ec11bdc6 628 i[[3456789]]86-*-sco*)
75205f78 629 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 630 ;;
ec11bdc6 631 i[[3456789]]86-*-solaris2*)
252b5132
RH		 632 noconfigdirs="$noconfigdirs target-libgloss"
633 ;;
ec11bdc6 634 i[[3456789]]86-*-sysv4*)
e99daf2b 635 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 636 ;;
ec11bdc6 637 i[[3456789]]86-*-beos*)
bba45b8b
NN		 638 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
639 ;;
b07c2aad 640 m32r-*-*)
970f29af 641 noconfigdirs="$noconfigdirs ${libgcj}"
b07c2aad 642 ;;
75205f78 643 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
b9459e83 644 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f9e0997d 645 ;;
75205f78
DD		 646 m68k-*-elf*)
647 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 648 ;;
649 m68k-*-coff*)
75205f78 650 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 651 ;;
75205f78
DD		 652 mcore-*-pe*)
653 # The EPOC C++ environment does not support exceptions or rtti,
654 # and so building libstdc++-v3 tends not to always work.
655 noconfigdirs="$noconfigdirs target-libstdc++-v3"
656 ;;
657 mmix-*-*)
95c72c44 658 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
75205f78 659 ;;
252b5132 660 mn10200-*-*)
75205f78 661 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 662 ;;
663 mn10300-*-*)
75205f78 664 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 665 ;;
666 powerpc-*-aix*)
667 # copied from rs6000-*-* entry
54752a6b 668 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 669 ;;
670 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
671 target_configdirs="$target_configdirs target-winsup"
675c6968 672 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
252b5132
RH		 673 # always build newlib.
674 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
675 ;;
676 # This is temporary until we can link against shared libraries
677 powerpcle-*-solaris*)
675c6968 678 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
ba73c63f
JM		 679 ;;
680 powerpc-*-beos*)
75205f78 681 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
252b5132
RH		 682 ;;
683 powerpc-*-eabi)
caeba88f
AL		 684 noconfigdirs="$noconfigdirs ${libgcj} build-fixincludes"
685 ;;
686 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
687 noconfigdirs="$noconfigdirs build-fixincludes"
252b5132
RH		 688 ;;
689 rs6000-*-lynxos*)
07637366 690 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
252b5132
RH		 691 ;;
692 rs6000-*-aix*)
54752a6b 693 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 694 ;;
695 rs6000-*-*)
75205f78 696 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 697 ;;
698 m68k-apollo-*)
75205f78 699 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
252b5132
RH		 700 ;;
701 mips*-*-irix5*)
0f260896 702 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 703 ;;
704 mips*-*-irix6*)
b3ed1d6b
AO		 705 # Linking libjava exceeds command-line length limits on at least
706 # IRIX 6.2, but not on IRIX 6.5.
707 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
708 # <oldham@codesourcery.com>
aa236487 709 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 710 ;;
711 mips*-dec-bsd*)
75205f78 712 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 713 ;;
714 mips*-*-bsd*)
75205f78 715 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 716 ;;
717 mipstx39-*-*)
75205f78 718 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
bba45b8b 719 ;;
1712ab83
RS		 720 mips64*-*-linux*)
721 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
722 ;;
fad93c55 723 mips*-*-linux*)
574e6d11 724 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 725 ;;
252b5132 726 mips*-*-*)
75205f78 727 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 728 ;;
729 romp-*-*)
75205f78 730 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
252b5132
RH		 731 ;;
732 sh-*-*)
733 case "${host}" in
ec11bdc6
DD		 734 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
735 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
736 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
252b5132
RH		 737 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
738 esac
75205f78 739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 740 ;;
20a5393b
AO		 741 sh64-*-*)
742 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
743 ;;
252b5132 744 sparc-*-elf*)
d5ec694c 745 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 746 ;;
747 sparc64-*-elf*)
d5ec694c 748 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 749 ;;
750 sparclite-*-*)
75205f78 751 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 752 ;;
753 sparc-*-sunos4*)
75205f78 754 noconfigdirs="$noconfigdirs ${libgcj}"
a0c4f3a0 755 if test x${is_cross_compiler} != xno ; then
c74222f7 756 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 757 else
758 use_gnu_ld=no
759 fi
760 ;;
3a036cdc 761 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 762 ;;
252b5132 763 v810-*-*)
b9459e83 764 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
252b5132
RH		 765 ;;
766 v850-*-*)
75205f78 767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 768 ;;
347dad9e 769 v850e-*-*)
75205f78 770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 771 ;;
772 v850ea-*-*)
75205f78 773 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
347dad9e 774 ;;
252b5132 775 vax-*-vms)
75205f78 776 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
252b5132
RH		 777 ;;
778 vax-*-*)
75205f78 779 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
96ce09a7 780 ;;
fbd1054d
BW		 781 xtensa-*-*)
782 noconfigdirs="$noconfigdirs ${libgcj}"
783 ;;
f48556b1 784 ip2k-*-*)
b9459e83 785 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f48556b1 786 ;;
de0b4a87 787 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
574e6d11
DD		 788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 ;;
252b5132 790 *-*-lynxos*)
75205f78 791 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 792 ;;
75205f78
DD		 793 *-*-*)
794 noconfigdirs="$noconfigdirs ${libgcj}"
795 ;;
252b5132
RH		 796esac
797
798# If we aren't building newlib, then don't build libgloss, since libgloss
799# depends upon some newlib header files.
800case "${noconfigdirs}" in
801 *target-libgloss*) ;;
802 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 803esac
252b5132 804
f48556b1
DD		 805# Work in distributions that contain no compiler tools, like Autoconf.
806tentative_cc=""
a0da8069 807host_makefile_frag=/dev/null
f48556b1
DD		 808if test -d ${srcdir}/config ; then
809case "${host}" in
810 m68k-hp-hpux*)
811 # Avoid "too much defining" errors from HPUX compiler.
812 tentative_cc="cc -Wp,-H256000"
a0da8069
NN		 813 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
814 # If it's HP/UX ar, this should be harmless.
815 RANLIB="ar ts"
f48556b1
DD		 816 ;;
817 m68k-apollo-sysv*)
818 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
f48556b1
DD		 819 ;;
820 m68k-apollo-bsd*)
821 #None of the Apollo compilers can compile gas or binutils. The preprocessor
822 # chokes on bfd, the compiler won't let you assign integers to enums, and
823 # other problems. Defining CC to gcc is a questionable way to say "don't use
824 # the apollo compiler" (the preferred version of GCC could be called cc,
825 # or whatever), but I'm not sure leaving CC as cc is any better...
826 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
a0da8069 827 # Used to have BISON=yacc.
f48556b1 828 tentative_cc=gcc
f48556b1
DD		 829 ;;
830 m88k-dg-dgux*)
831 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
f48556b1
DD		 832 ;;
833 m88k-harris-cxux*)
834 # Under CX/UX, we want to tell the compiler to use ANSI mode.
835 tentative_cc="cc -Xa"
836 host_makefile_frag="config/mh-cxux"
837 ;;
838 m88k-motorola-sysv*)
f48556b1
DD		 839 ;;
840 mips*-dec-ultrix*)
841 tentative_cc="cc -Wf,-XNg1000"
842 host_makefile_frag="config/mh-decstation"
843 ;;
844 mips*-nec-sysv4*)
845 # The C compiler on NEC MIPS SVR4 needs bigger tables.
846 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
847 host_makefile_frag="config/mh-necv4"
848 ;;
f48556b1
DD		 849 mips*-sgi-irix4*)
850 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
851 # environment. Also bump switch table size so that cp-parse will
852 # compile. Bump string length limit so linker builds.
853 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
854 ;;
f48556b1
DD		 855 mips*-*-sysv4*)
856 host_makefile_frag="config/mh-sysv4"
857 ;;
858 mips*-*-sysv*)
859 # This is for a MIPS running RISC/os 4.52C.
860
861 # This is needed for GDB, but needs to be in the top-level make because
862 # if a library is compiled with the bsd headers and gets linked with the
863 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
864 # a different size).
865 # ptrace(2) apparently has problems in the BSD environment. No workaround is
866 # known except to select the sysv environment. Could we use /proc instead?
867 # These "sysv environments" and "bsd environments" often end up being a pain.
868 #
869 # This is not part of CFLAGS because perhaps not all C compilers have this
870 # option.
871 tentative_cc="cc -systype sysv"
f48556b1
DD		 872 ;;
873 i370-ibm-opened*)
874 tentative_cc="c89"
f48556b1 875 ;;
ec11bdc6 876 i[[3456789]]86-*-sysv5*)
f48556b1
DD		 877 host_makefile_frag="config/mh-sysv5"
878 ;;
ec11bdc6 879 i[[3456789]]86-*-dgux*)
f48556b1
DD		 880 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
881 host_makefile_frag="config/mh-dgux386"
882 ;;
ec11bdc6 883 i[[3456789]]86-ncr-sysv4.3*)
f48556b1
DD		 884 # The MetaWare compiler will generate a copyright message unless you
885 # turn it off by adding the -Hnocopyr flag.
886 tentative_cc="cc -Hnocopyr"
f48556b1 887 ;;
ec11bdc6 888 i[[3456789]]86-ncr-sysv4*)
f48556b1
DD		 889 # for an NCR 3000 (i486/SVR4) system.
890 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
891 # This compiler not only emits obnoxious copyright messages every time
892 # you run it, but it chokes and dies on a whole bunch of GNU source
893 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
894 tentative_cc="/usr/ccs/ATT/cc"
895 host_makefile_frag="config/mh-ncr3000"
896 ;;
ec11bdc6 897 i[[3456789]]86-*-sco3.2v5*)
f48556b1 898 ;;
ec11bdc6 899 i[[3456789]]86-*-sco*)
f48556b1
DD		 900 # The native C compiler botches some simple uses of const. Unfortunately,
901 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
902 tentative_cc="cc -Dconst="
903 host_makefile_frag="config/mh-sco"
904 ;;
ec11bdc6 905 i[[3456789]]86-*-udk*)
f48556b1
DD		 906 host_makefile_frag="config/mh-sysv5"
907 ;;
ec11bdc6 908 i[[3456789]]86-*-solaris2*)
f48556b1
DD		 909 host_makefile_frag="config/mh-sysv4"
910 ;;
ec11bdc6 911 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 912 host_makefile_frag="config/mh-djgpp"
913 ;;
914 *-cygwin*)
915 host_makefile_frag="config/mh-cygwin"
916 ;;
917 *-mingw32*)
918 host_makefile_frag="config/mh-mingw32"
919 ;;
920 *-interix*)
921 host_makefile_frag="config/mh-interix"
922 ;;
923 vax-*-ultrix2*)
924 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
925 tentative_cc=gcc
926 ;;
927 *-*-solaris2*)
928 host_makefile_frag="config/mh-solaris"
929 ;;
930 m68k-sun-sunos*)
931 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
932 # without overflowing the jump tables (-J says to use a 32 bit table)
933 tentative_cc="cc -J"
934 ;;
f48556b1
DD		 935 *-hp-hpux*)
936 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 937 ;;
938 *-*-hiux*)
939 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 940 ;;
941 rs6000-*-lynxos*)
942 # /bin/cc is less than useful for our purposes. Always use GCC
943 tentative_cc="/usr/cygnus/progressive/bin/gcc"
944 host_makefile_frag="config/mh-lynxrs6k"
945 ;;
0df3d27f
PB		 946 powerpc-*-darwin*)
947 host_makefile_frag="config/mh-ppc-darwin"
948 ;;
f48556b1
DD		 949 *-*-lynxos*)
950 # /bin/cc is less than useful for our purposes. Always use GCC
951 tentative_cc="/bin/gcc"
952 ;;
953 *-*-sysv4*)
954 host_makefile_frag="config/mh-sysv4"
955 ;;
fe69863c
DD		 956 # This is placed last to prevent interfering with the cases above.
957 i[[3456789]]86-*-*)
958 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
959 host_makefile_frag="config/mh-x86omitfp"
960 ;;
f48556b1
DD		 961esac
962fi
963
9e07f89d
NN		 964# If we aren't going to be using gcc, see if we can extract a definition
965# of CC from the fragment.
966# Actually, use the 'pre-extracted' version above.
967if test -z "${CC}" && test "${build}" = "${host}" ; then
968 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
969 found=
970 for dir in $PATH; do
971 test -z "$dir" && dir=.
972 if test -f $dir/gcc; then
973 found=yes
974 break
975 fi
976 done
977 IFS="$save_ifs"
978 if test -z "${found}" && test -n "${tentative_cc}" ; then
979 CC=$tentative_cc
980 fi
981fi
982
983if test "${build}" != "${host}" ; then
984 # If we are doing a Canadian Cross, in which the host and build systems
985 # are not the same, we set reasonable default values for the tools.
986
9e07f89d
NN		 987 CC=${CC-${host_alias}-gcc}
988 CFLAGS=${CFLAGS-"-g -O2"}
989 CXX=${CXX-${host_alias}-c++}
990 CXXFLAGS=${CXXFLAGS-"-g -O2"}
991 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
992 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
993 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
994 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
995 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
996 BUILD_PREFIX=${build_alias}-
997 BUILD_PREFIX_1=${build_alias}-
9e07f89d
NN		 998
999else
1000 # Set reasonable default values for some tools even if not Canadian.
1001 # Of course, these are different reasonable default values, originally
1002 # specified directly in the Makefile.
1003 # We don't export, so that autoconf can do its job.
1004 # Note that all these settings are above the fragment inclusion point
1005 # in Makefile.in, so can still be overridden by fragments.
1006 # This is all going to change when we autoconfiscate...
1007
9e07f89d
NN		 1008 CC_FOR_BUILD="\$(CC)"
1009 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1010 BUILD_PREFIX=
1011 BUILD_PREFIX_1=loser-
6a9cf61e
PB		 1012
1013 AC_PROG_CC
9e07f89d
NN		 1014
1015 # We must set the default linker to the linker used by gcc for the correct
1016 # operation of libtool. If LD is not defined and we are using gcc, try to
1017 # set the LD default to the ld used by gcc.
1018 if test -z "$LD"; then
6a9cf61e 1019 if test "$GCC" = yes; then
9e07f89d
NN		 1020 case $build in
1021 *-*-mingw*)
1022 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1023 *)
1024 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1025 esac
1026 case $gcc_prog_ld in
1027 # Accept absolute paths.
1028 [[\\/]* | [A-Za-z]:[\\/]*)]
1029 LD="$gcc_prog_ld" ;;
1030 esac
1031 fi
1032 fi
1033
1034 CXX=${CXX-"c++"}
1035 CFLAGS=${CFLAGS-"-g"}
1036 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1037fi
1038
1039ACX_PROG_GNAT
b8908782 1040ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1041
11b04d1f 1042# Check for GMP and MPFR
4b1cb4fe
DD		 1043gmplibs=
1044gmpinc=
1045have_gmp=yes
11b04d1f
DD		 1046# Specify a location for mpfr
1047# check for this first so it ends up on the link line before gmp.
1048AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1049
1050if test "x$with_mpfr_dir" != x; then
1051 gmpinc="-I$with_mpfr_dir/mpfr"
1052 gmplibs="$with_mpfr_dir/libmpfr.a"
1053else
1054 gmplibs="-lmpfr"
1055fi
1056
1057AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1058
1059if test "x$with_mpfr" != x; then
1060 gmplibs="-L$with_mpfr/lib $gmplibs"
1061 gmpinc="-I$with_mpfr/include"
1062fi
1063
4b1cb4fe
DD		 1064# Specify a location for gmp
1065AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1066
11b04d1f
DD		 1067if test "x$with_gmp_dir" != x; then
1068 gmpinc="$gmpinc -I$with_gmp_dir"
4b1cb4fe 1069 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
11b04d1f 1070 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
4b1cb4fe 1071 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
11b04d1f 1072 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
4b1cb4fe
DD		 1073 fi
1074 # One of the later tests will catch the error if neither library is present.
11b04d1f
DD		 1075else
1076 gmplibs="$gmplibs -lgmp"
4b1cb4fe
DD		 1077fi
1078
1079AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1080
11b04d1f
DD		 1081if test "x$with_gmp" != x; then
1082 gmplibs="-L$with_gmp/lib $gmplibs"
1083 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe
DD		 1084fi
1085
1086saved_CFLAGS="$CFLAGS"
1087CFLAGS="$CFLAGS $gmpinc"
1088# Check GMP actually works
1089AC_MSG_CHECKING([for correct version of gmp.h])
1090AC_TRY_COMPILE([#include "gmp.h"],[
1091#if __GNU_MP_VERSION < 3
1092choke me
1093#endif
1094], [AC_MSG_RESULT([yes])],
1095 [AC_MSG_RESULT([no]); have_gmp=no])
1096
1097if test x"$have_gmp" = xyes; then
11b04d1f 1098 AC_MSG_CHECKING([for MPFR])
4b1cb4fe
DD		 1099
1100 saved_LIBS="$LIBS"
1101 LIBS="$LIBS $gmplibs"
11b04d1f
DD		 1102 AC_TRY_LINK([#include <gmp.h>
1103#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
4b1cb4fe
DD		 1104 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1105 LIBS="$saved_LIBS"
1106 CFLAGS="$saved_CFLAGS"
1107fi
1108
11b04d1f 1109# Flags needed for both GMP and/or MPFR
4b1cb4fe
DD		 1110AC_SUBST(gmplibs)
1111AC_SUBST(gmpinc)
1112
947f426e 1113# By default, C is the only stage 1 language.
1d39f329
NN		 1114stage1_languages=c
1115AC_SUBST(stage1_languages)
1116
9e07f89d
NN		 1117# Figure out what language subdirectories are present.
1118# Look if the user specified --enable-languages="..."; if not, use
1119# the environment variable $LANGUAGES if defined. $LANGUAGES might
1120# go away some day.
1121# NB: embedded tabs in this IF block -- do not untabify
1122if test -d ${srcdir}/gcc; then
1123 if test x"${enable_languages+set}" != xset; then
1124 if test x"${LANGUAGES+set}" = xset; then
1125 enable_languages="${LANGUAGES}"
1126 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1127 else
1128 enable_languages=all
1129 fi
1130 else
1131 if test x"${enable_languages}" = x ||
1132 test x"${enable_languages}" = xyes;
1133 then
1134 echo configure.in: --enable-languages needs at least one language argument 1>&2
1135 exit 1
1136 fi
1137 fi
1138 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1139
1140 # First scan to see if an enabled language requires some other language.
1141 # We assume that a given config-lang.in will list all the language
1142 # front ends it requires, even if some are required indirectly.
1143 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1144 case ${lang_frag} in
1145 ..) ;;
1146 # The odd quoting in the next line works around
1147 # an apparent bug in bash 1.12 on linux.
1148 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1149 *)
1150 # From the config-lang.in, get $language, $lang_requires
1151 language=
1152 lang_requires=
1153 . ${lang_frag}
1154 for other in ${lang_requires} ; do
1155 case ,${enable_languages}, in
1156 *,$other,*) ;;
1157 *,all,*) ;;
1158 *,$language,*)
1159 echo " \`$other' language required by \`$language'; enabling" 1>&2
1160 enable_languages="${enable_languages},${other}"
1161 ;;
1162 esac
1163 done
1164 ;;
1165 esac
1166 done
1167
1168 new_enable_languages=c
1169 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9cb3fa6f 1170 potential_languages=c
9e07f89d
NN		 1171
1172 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1173 case ${lang_frag} in
1174 ..) ;;
1175 # The odd quoting in the next line works around
1176 # an apparent bug in bash 1.12 on linux.
1177 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1178 *)
1179 # From the config-lang.in, get $language, $target_libs,
1d39f329 1180 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1181 language=
1182 target_libs=
1183 lang_dirs=
1d39f329 1184 boot_language=
9e07f89d 1185 build_by_default=
9cb3fa6f 1186 need_gmp=
9e07f89d 1187 . ${lang_frag}
9cb3fa6f 1188 potential_languages="${potential_languages},${language}"
9e07f89d
NN		 1189 # This is quite sensitive to the ordering of the case statement arms.
1190 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1191 *::*:*)
1192 echo "${lang_frag} doesn't set \$language." 1>&2
1193 exit 1
9cb3fa6f 1194 ;;
9e07f89d
NN		 1195 *:ada:no:*)
1196 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1197 add_this_lang=no
1198 ;;
1199 *,${language},*:*:*:*)
1200 # Language was explicitly selected; include it.
1201 add_this_lang=yes
1202 ;;
1203 *,all,*:*:*:no)
1204 # 'all' was selected, but this is not a default language
9cb3fa6f 1205 # so do not include it.
9e07f89d 1206 add_this_lang=no
9cb3fa6f 1207 ;;
9e07f89d
NN		 1208 *,all,*:*:*:*)
1209 # 'all' was selected and this is a default language; include it.
1210 add_this_lang=yes
1211 ;;
1212 *)
1213 add_this_lang=no
1214 ;;
1215 esac
4b1cb4fe 1216
9cb3fa6f
PB		 1217 # Disable languages that need GMP if it isn't available.
1218 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1219 *,${language},*:no:yes)
1220 # Specifically requested language; tell them.
1221 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1222 ;;
1223 *:no:yes)
1224 # Silently disable.
1225 add_this_lang=no
1226 ;;
1227 esac
4b1cb4fe
DD		 1228
1229 case $add_this_lang in
9e07f89d
NN		 1230 no)
1231 # Remove language-dependent dirs.
1d39f329
NN		 1232 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1233 ;;
9e07f89d
NN		 1234 *)
1235 new_enable_languages="$new_enable_languages,$language"
1d39f329
NN		 1236 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1237 case ${boot_language} in
1238 yes)
4fa63067
NN		 1239 # Add to (comma-separated) list of stage 1 languages.
1240 stage1_languages="${stage1_languages},${language}"
1d39f329
NN		 1241 ;;
1242 esac
1243 ;;
9e07f89d
NN		 1244 esac
1245 ;;
1246 esac
1247 done
1248
4b0ac75d 1249 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9e07f89d
NN		 1250 if test "x$missing_languages" != x; then
1251 AC_MSG_ERROR([
9cb3fa6f
PB		 1252The following requested languages were not found: ${missing_languages}
1253The available languages are: ${potential_languages}])
9e07f89d
NN		 1254 fi
1255
1256 if test "x$new_enable_languages" != "x$enable_languages"; then
1257 echo The following languages will be built: ${new_enable_languages}
1258 fi
1259 enable_languages="$new_enable_languages"
2e70b094 1260 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
9e07f89d
NN		 1261fi
1262
caeba88f
AL		 1263# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1264# $build_configdirs and $target_configdirs.
9e07f89d
NN		 1265# If we have the source for $noconfigdirs entries, add them to $notsupp.
1266
1267notsupp=""
1268for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1269 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 1270 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1271 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1272 if test -r $srcdir/$dirname/configure ; then
1273 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1274 true
1275 else
1276 notsupp="$notsupp $dir"
1277 fi
1278 fi
1279 fi
caeba88f
AL		 1280 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1281 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1282 if test -r $srcdir/$dirname/configure ; then
1283 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1284 true
1285 else
1286 notsupp="$notsupp $dir"
1287 fi
1288 fi
1289 fi
9e07f89d
NN		 1290 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1291 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1292 if test -r $srcdir/$dirname/configure ; then
1293 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1294 true
1295 else
1296 notsupp="$notsupp $dir"
1297 fi
1298 fi
1299 fi
1300done
1301
1302# Sometimes the tools are distributed with libiberty but with no other
1303# libraries. In that case, we don't want to build target-libiberty.
1304if test -n "${target_configdirs}" ; then
1305 others=
1306 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1307 if test "$i" != "libiberty" ; then
1308 if test -r $srcdir/$i/configure ; then
1309 others=yes;
1310 break;
1311 fi
1312 fi
1313 done
1314 if test -z "${others}" ; then
1315 target_configdirs=
1316 fi
1317fi
1318
1319# Quietly strip out all directories which aren't configurable in this tree.
1320# This relies on all configurable subdirectories being autoconfiscated, which
1321# is now the case.
6a9cf61e
PB		 1322build_configdirs_all="$build_configdirs"
1323build_configdirs=
1324for i in ${build_configdirs_all} ; do
1325 j=`echo $i | sed -e s/build-//g`
1326 if test -f ${srcdir}/$j/configure ; then
1327 build_configdirs="${build_configdirs} $i"
1328 fi
1329done
1330
9e07f89d
NN		 1331configdirs_all="$configdirs"
1332configdirs=
1333for i in ${configdirs_all} ; do
1334 if test -f ${srcdir}/$i/configure ; then
1335 configdirs="${configdirs} $i"
1336 fi
1337done
6a9cf61e 1338
9e07f89d
NN		 1339target_configdirs_all="$target_configdirs"
1340target_configdirs=
1341for i in ${target_configdirs_all} ; do
1342 j=`echo $i | sed -e s/target-//g`
1343 if test -f ${srcdir}/$j/configure ; then
1344 target_configdirs="${target_configdirs} $i"
1345 fi
1346done
1347
1348# Produce a warning message for the subdirs we can't configure.
1349# This isn't especially interesting in the Cygnus tree, but in the individual
1350# FSF releases, it's important to let people know when their machine isn't
1351# supported by the one or two programs in a package.
1352
1353if test -n "${notsupp}" && test -z "${norecursion}" ; then
1354 # If $appdirs is non-empty, at least one of those directories must still
1355 # be configured, or we error out. (E.g., if the gas release supports a
1356 # specified target in some subdirs but not the gas subdir, we shouldn't
1357 # pretend that all is well.)
1358 if test -n "$appdirs" ; then
1359 for dir in $appdirs ; do
1360 if test -r $dir/Makefile.in ; then
1361 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1362 appdirs=""
1363 break
1364 fi
6a9cf61e 1365 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 1366 appdirs=""
1367 break
1368 fi
1369 fi
1370 done
1371 if test -n "$appdirs" ; then
1372 echo "*** This configuration is not supported by this package." 1>&2
1373 exit 1
1374 fi
1375 fi
1376 # Okay, some application will build, or we don't care to check. Still
1377 # notify of subdirs not getting built.
1378 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1379 echo " ${notsupp}" 1>&2
1380 echo " (Any other directories should still work fine.)" 1>&2
1381fi
1382
1383case "$host" in
1384 *msdosdjgpp*)
1385 enable_gdbtk=no ;;
1386esac
1387
1388copy_dirs=
1389
1390# Handle --with-headers=XXX. If the value is not "yes", the contents of
1391# the named directory are copied to $(tooldir)/sys-include.
1392if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1393 if test x${is_cross_compiler} = xno ; then
1394 echo 1>&2 '***' --with-headers is only supported when cross compiling
1395 exit 1
1396 fi
1397 if test x"${with_headers}" != xyes ; then
1398 case "${exec_prefixoption}" in
1399 "") x=${prefix} ;;
1400 *) x=${exec_prefix} ;;
1401 esac
1402 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1403 fi
1404fi
1405
1406# Handle --with-libs=XXX. If the value is not "yes", the contents of
1407# the name directories are copied to $(tooldir)/lib. Multiple directories
1408# are permitted.
1409if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1410 if test x${is_cross_compiler} = xno ; then
1411 echo 1>&2 '***' --with-libs is only supported when cross compiling
1412 exit 1
1413 fi
1414 if test x"${with_libs}" != xyes ; then
1415 # Copy the libraries in reverse order, so that files in the first named
1416 # library override files in subsequent libraries.
1417 case "${exec_prefixoption}" in
1418 "") x=${prefix} ;;
1419 *) x=${exec_prefix} ;;
1420 esac
1421 for l in ${with_libs}; do
1422 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1423 done
1424 fi
1425fi
1426
1427# Handle ${copy_dirs}
1428set fnord ${copy_dirs}
1429shift
1430while test $# != 0 ; do
1431 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1432 :
1433 else
1434 echo Copying $1 to $2
1435
1436 # Use the install script to create the directory and all required
1437 # parent directories.
1438 if test -d $2 ; then
1439 :
1440 else
1441 echo >config.temp
1442 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1443 fi
1444
1445 # Copy the directory, assuming we have tar.
1446 # FIXME: Should we use B in the second tar? Not all systems support it.
1447 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1448
1449 # It is the responsibility of the user to correctly adjust all
1450 # symlinks. If somebody can figure out how to handle them correctly
1451 # here, feel free to add the code.
1452
1453 echo $1 > $2/COPIED
1454 fi
1455 shift; shift
1456done
1457
874e38b4
NN		 1458extra_arflags_for_target=
1459extra_nmflags_for_target=
1086bc09 1460extra_ranlibflags_for_target=
a0da8069 1461target_makefile_frag=/dev/null
f48556b1 1462case "${target}" in
2a3124ca 1463 *-*-netware*)
b6f83f2a 1464 target_makefile_frag="config/mt-netware"
f48556b1 1465 ;;
3d6dfe0f
NN		 1466 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1467 target_makefile_frag="config/mt-gnu"
f48556b1 1468 ;;
a0da8069 1469 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN		 1470 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1471 # commands to handle both 32-bit and 64-bit objects. These flags are
1472 # harmless if we're using GNU nm or ar.
1473 extra_arflags_for_target=" -X32_64"
1474 extra_nmflags_for_target=" -B -X32_64"
f48556b1 1475 ;;
1086bc09
NN		 1476 *-*-darwin*)
1477 # ranlib from Darwin requires the -c flag to look at common symbols.
1478 extra_ranlibflags_for_target=" -c"
1479 ;;
f48556b1 1480 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
b6f83f2a
DD		 1481 target_makefile_frag="config/mt-wince"
1482 ;;
1483esac
1484
a0da8069 1485alphaieee_frag=/dev/null
b6f83f2a
DD		 1486case $target in
1487 alpha*-*-*)
1488 # This just makes sure to use the -mieee option to build target libs.
1489 # This should probably be set individually by each library.
1490 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 1491 ;;
1492esac
a0a2c6c6 1493
f48556b1
DD		 1494# If --enable-target-optspace always use -Os instead of -O2 to build
1495# the target libraries, similarly if it is not specified, use -Os
1496# on selected platforms.
a0da8069 1497ospace_frag=/dev/null
f48556b1
DD		 1498case "${enable_target_optspace}:${target}" in
1499 yes:*)
b6f83f2a 1500 ospace_frag="config/mt-ospace"
f48556b1
DD		 1501 ;;
1502 :d30v-*)
b6f83f2a 1503 ospace_frag="config/mt-d30v"
f48556b1
DD		 1504 ;;
1505 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 1506 ospace_frag="config/mt-ospace"
f48556b1
DD		 1507 ;;
1508 no:* | :*)
1509 ;;
1510 *)
1511 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1512 ;;
1513esac
252b5132 1514
252b5132
RH		 1515# Set with_gnu_as and with_gnu_ld as appropriate.
1516#
1517# This is done by determining whether or not the appropriate directory
1518# is available, and by checking whether or not specific configurations
1519# have requested that this magic not happen.
1520#
1521# The command line options always override the explicit settings in
1522# configure.in, and the settings in configure.in override this magic.
1523#
1524# If the default for a toolchain is to use GNU as and ld, and you don't
1525# want to do that, then you should use the --without-gnu-as and
1526# --without-gnu-ld options for the configure script.
1527
f48556b1
DD		 1528if test x${use_gnu_as} = x &&
1529 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1530 with_gnu_as=yes
ae831be5 1531 extra_host_args="$extra_host_args --with-gnu-as"
252b5132
RH		 1532fi
1533
f48556b1
DD		 1534if test x${use_gnu_ld} = x &&
1535 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1536 with_gnu_ld=yes
ae831be5 1537 extra_host_args="$extra_host_args --with-gnu-ld"
252b5132
RH		 1538fi
1539
ae831be5 1540# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
252b5132
RH		 1541# can detect this case.
1542
f48556b1 1543if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
252b5132 1544 with_newlib=yes
ae831be5 1545 extra_host_args="$extra_host_args --with-newlib"
252b5132
RH		 1546fi
1547
f48556b1
DD		 1548# Default to using --with-stabs for certain targets.
1549if test x${with_stabs} = x ; then
1550 case "${target}" in
e31d1ea3 1551 mips*-*-irix[[56]]*)
f48556b1
DD		 1552 ;;
1553 mips*-*-* | alpha*-*-osf*)
1554 with_stabs=yes;
ae831be5 1555 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD		 1556 ;;
1557 esac
1558fi
1559
1560# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1561# them automatically.
1562case "${host}" in
1563 hppa*64*-*-hpux11*)
ae831be5 1564 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 1565 ;;
c92a0210
DD		 1566esac
1567
a0da8069
NN		 1568# Some systems (e.g., one of the i386-aix systems the gas testers are
1569# using) don't handle "\$" correctly, so don't use it here.
8013444f 1570tooldir='${exec_prefix}'/${target_alias}
a0da8069
NN		 1571build_tooldir=${tooldir}
1572
6a9cf61e
PB		 1573# Generate default definitions for YACC, M4, LEX and other programs that run
1574# on the build machine. These are used if the Makefile can't locate these
1575# programs in objdir.
947f426e 1576MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
6a9cf61e
PB		 1577AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1578AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1579AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1580AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1581AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1582AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
a0da8069 1583
a0da8069
NN		 1584# Create a .gdbinit file which runs the one in srcdir
1585# and tells GDB to look there for source files.
1586
1587if test -r ${srcdir}/.gdbinit ; then
1588 case ${srcdir} in
1589 .) ;;
1590 *) cat > ./.gdbinit <<EOF
1591# ${NO_EDIT}
1592dir ${srcdir}
1593dir .
1594source ${srcdir}/.gdbinit
1595EOF
1596 ;;
1597 esac
1598fi
1599
252b5132
RH		 1600# Make sure that the compiler is able to generate an executable. If it
1601# can't, we are probably in trouble. We don't care whether we can run the
1602# executable--we might be using a cross compiler--we only care whether it
1603# can be created. At this point the main configure script has set CC.
a0c4f3a0 1604we_are_ok=no
252b5132
RH		 1605echo "int main () { return 0; }" > conftest.c
1606${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 1607if test $? = 0 ; then
1608 if test -s conftest || test -s conftest.exe ; then
1609 we_are_ok=yes
1610 fi
1611fi
1612case $we_are_ok in
1613 no)
1614 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1615 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1616 rm -f conftest*
1617 exit 1
1618 ;;
1619esac
252b5132
RH		 1620rm -f conftest*
1621
1622# The Solaris /usr/ucb/cc compiler does not appear to work.
1623case "${host}" in
1624 sparc-sun-solaris2*)
1625 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 1626 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 1627 could_use=
a0c4f3a0
DD		 1628 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1629 if test -d /opt/cygnus/bin ; then
1630 if test "$could_use" = "" ; then
252b5132
RH		 1631 could_use="/opt/cygnus/bin"
1632 else
1633 could_use="$could_use or /opt/cygnus/bin"
1634 fi
1635 fi
a0c4f3a0 1636 if test "$could_use" = "" ; then
252b5132
RH		 1637 echo "Warning: compilation may fail because you're using"
1638 echo "/usr/ucb/cc. You should change your PATH or CC "
1639 echo "variable and rerun configure."
1640 else
1641 echo "Warning: compilation may fail because you're using"
1642 echo "/usr/ucb/cc, when you should use the C compiler from"
1643 echo "$could_use. You should change your"
1644 echo "PATH or CC variable and rerun configure."
1645 fi
1646 fi
1647 ;;
1648esac
1649
02b1af09
L		 1650# If no --enable-shared nor --disable-shared is specified, we set up
1651# LD_LIBRARY_PATH when we build for gcc.
1652case $enable_shared in
1653"")
1654 if test -d ${srcdir}/gcc; then
1655 set_lib_path=yes
1656 else
1657 set_lib_path=no
1658 fi
1659 ;;
1660*)
1661 set_lib_path=$enable_shared
1662 ;;
1663esac
1664
252b5132
RH		 1665# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1666# binutils tools will find libbfd.so.
02b1af09
L		 1667case "${set_lib_path}" in
1668 no) SET_LIB_PATH= ;;
b9459e83
NN		 1669 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1670esac
8607b6c9
NN		 1671
1672case "${host}" in
1673 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1674 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1675esac
8607b6c9 1676
3866be5d
NN		 1677# Record target_configdirs and the configure arguments for target and
1678# build configuration in Makefile.
1679target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 1680build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 1681
930314a4
NN		 1682# Determine whether gdb needs tk/tcl or not.
1683# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1684# and in that case we want gdb to be built without tk. Ugh!
1685# In fact I believe gdb is the *only* package directly dependent on tk,
1686# so we should be able to put the 'maybe's in unconditionally and
1687# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1688# 100% sure that that's safe though.
c180f501 1689
675c6968 1690gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 1691case "$enable_gdbtk" in
1692 no)
1693 GDB_TK="" ;;
c180f501
AC		 1694 yes)
1695 GDB_TK="${gdb_tk}" ;;
930314a4 1696 *)
c180f501
AC		 1697 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1698 # distro. Eventually someone will fix this and move Insight, nee
1699 # gdbtk to a separate directory.
1700 if test -d ${srcdir}/gdb/gdbtk ; then
1701 GDB_TK="${gdb_tk}"
1702 else
1703 GDB_TK=""
1704 fi
1705 ;;
930314a4
NN		 1706esac
1707
6bd3dfaa 1708# Strip out unwanted targets.
dd12c3a8
NN		 1709
1710# While at that, we remove Makefiles if we were started for recursive
1711# configuration, so that the top-level Makefile reconfigures them,
1712# like we used to do when configure itself was recursive.
dd12c3a8 1713
6bd3dfaa
PB		 1714# Loop over modules. $extrasub must be used with care, limiting as
1715# much as possible the usage of range addresses. That's because autoconf
1716# splits the sed script to overcome limits in the number of commands,
1717# and relying on carefully-timed sed passes may turn out to be very hard
1718# to maintain later. In this particular case, you just have to be careful
1719# not to nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 1720
498d4a71 1721AC_ARG_ENABLE([bootstrap],
9cb3fa6f
PB		 1722[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1723enable_bootstrap=default)
1724
1725# Issue errors and warnings for invalid/strange bootstrap combinations.
1726case "$configdirs" in
1727 *gcc*) have_compiler=yes ;;
1728 *) have_compiler=no ;;
1729esac
1730
1731case "$have_compiler:$host:$target:$enable_bootstrap" in
1732 *:*:*:no) ;;
1733
1734 # Default behavior. (We'll) enable bootstrap if we have a compiler
1735 # and we are in a native configuration.
1736 yes:$build:$build:default)
1737 # This will become 'yes'
1738 enable_bootstrap=no ;;
1739
1740 *:*:*:default)
1741 enable_bootstrap=no ;;
1742
1743 # We have a compiler and we are in a native configuration, bootstrap is ok
1744 yes:$build:$build:yes | yes:$build:$build:lean)
1745 ;;
1746
1747 # Other configurations, but we have a compiler. Assume the user knows
1748 # what he's doing.
1749 yes:*:*:yes | yes:*:*:lean)
1750 AC_MSG_WARN([trying to bootstrap a cross compiler])
1751 ;;
498d4a71 1752
9cb3fa6f
PB		 1753 # No compiler: if they passed --enable-bootstrap explicitly, fail
1754 no:*:*:yes | no:*:*:lean)
1755 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1756
1757 # Fail if wrong command line
1758 *)
1759 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1760 ;;
1761esac
1762
1763# Adjust the toplevel makefile according to whether bootstrap was selected.
498d4a71
CF		 1764case "$enable_bootstrap" in
1765 yes)
9cb3fa6f
PB		 1766 bootstrap_lean='#'
1767 default_target=bootstrap
1768 bootstrap_suffix=bootstrap ;;
1769 lean)
1770 bootstrap_lean=''
498d4a71
CF		 1771 default_target=bootstrap
1772 bootstrap_suffix=bootstrap ;;
1773 no)
1774 default_target=all
1775 bootstrap_suffix=no-bootstrap ;;
1776esac
9cb3fa6f 1777AC_SUBST(bootstrap_lean)
498d4a71
CF		 1778AC_SUBST(default_target)
1779
6a9cf61e 1780for module in ${build_configdirs} ; do
dd12c3a8
NN		 1781 if test -z "${no_recursion}" \
1782 && test -f ${build_subdir}/${module}/Makefile; then
1783 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1784 rm -f ${build_subdir}/${module}/Makefile
1785 fi
6bd3dfaa
PB		 1786 extrasub="$extrasub
1787/^@if build-$module\$/d
498d4a71
CF		 1788/^@endif build-$module\$/d
1789/^@if build-$module-$bootstrap_suffix\$/d
1790/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1791done
1792for module in ${configdirs} ; do
1793 if test -z "${no_recursion}" \
1794 && test -f ${module}/Makefile; then
1795 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1796 rm -f ${module}/Makefile
1797 fi
6bd3dfaa
PB		 1798 extrasub="$extrasub
1799/^@if $module\$/d
498d4a71
CF		 1800/^@endif $module\$/d
1801/^@if $module-$bootstrap_suffix\$/d
1802/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1803done
1804for module in ${target_configdirs} ; do
1805 if test -z "${no_recursion}" \
1806 && test -f ${target_subdir}/${module}/Makefile; then
1807 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1808 rm -f ${target_subdir}/${module}/Makefile
1809 fi
6bd3dfaa
PB		 1810 extrasub="$extrasub
1811/^@if target-$module\$/d
498d4a71
CF		 1812/^@endif target-$module\$/d
1813/^@if target-$module-$bootstrap_suffix\$/d
1814/^@endif target-$module-$bootstrap_suffix\$/d"
930314a4 1815done
319cab08 1816
6bd3dfaa
PB		 1817extrasub="$extrasub
1818/^@if /,/^@endif /d"
930314a4 1819
a2cc058a
NN		 1820# Create the serialization dependencies. This uses a temporary file.
1821
e6bfb94a 1822AC_ARG_ENABLE([serial-configure],
1047cb91
DD		 1823[ --enable-serial-[{host,target,build}-]configure
1824 Force sequential configuration of
e6bfb94a 1825 sub-packages for the host, target or build
1047cb91
DD		 1826 machine, or all sub-packages])
1827
1828case ${enable_serial_configure} in
1829 yes)
1830 enable_serial_build_configure=yes
1831 enable_serial_host_configure=yes
1832 enable_serial_target_configure=yes
1833 ;;
1834esac
e6bfb94a 1835
a2cc058a
NN		 1836# These force 'configure's to be done one at a time, to avoid problems
1837# with contention over a shared config.cache.
1838rm -f serdep.tmp
e6bfb94a 1839echo '# serdep.tmp' > serdep.tmp
a2cc058a 1840olditem=
1047cb91 1841test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 1842for item in ${build_configdirs} ; do
1843 case ${olditem} in
1844 "") ;;
e6bfb94a 1845 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1846 esac
1847 olditem=${item}
1848done
1849olditem=
1047cb91 1850test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 1851for item in ${configdirs} ; do
1852 case ${olditem} in
1853 "") ;;
e6bfb94a 1854 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1855 esac
1856 olditem=${item}
1857done
1858olditem=
1047cb91 1859test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 1860for item in ${target_configdirs} ; do
1861 case ${olditem} in
1862 "") ;;
e6bfb94a 1863 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1864 esac
1865 olditem=${item}
1866done
a0da8069
NN		 1867serialization_dependencies=serdep.tmp
1868AC_SUBST_FILE(serialization_dependencies)
a2cc058a 1869
e6bfb94a
AO		 1870# Base args. Strip norecursion, cache-file, srcdir, host, build,
1871# target and nonopt. These are the ones we might not want to pass
f27d4f92
DJ		 1872# down to subconfigures. Also strip program-prefix, program-suffix,
1873# and program-transform-name, so that we can pass down a consistent
1874# program-transform-name. If autoconf has put single quotes around
1875# any of these arguments (because they contain shell metacharacters)
1876# then this will fail; in practice this only happens for
1877# --program-transform-name, so be sure to override --program-transform-name
1878# at the end of the argument list.
1879# These will be expanded by make, so quote '$'.
d2cc0e0d 1880cat <<\EOF_SED > conftestsed
54752a6b
NN		 1881s/ --no[[^ ]]*/ /g
1882s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1883s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1884s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1885s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1886s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1887s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1888s/ -cache-file[[= ]][[^ ]]*//g
1889s/ -srcdir[[= ]][[^ ]]*//g
1890s/ -host[[= ]][[^ ]]*//g
1891s/ -build[[= ]][[^ ]]*//g
1892s/ -target[[= ]][[^ ]]*//g
1893s/ -program-prefix[[= ]][[^ ]]*//g
1894s/ -program-suffix[[= ]][[^ ]]*//g
1895s/ -program-transform-name[[= ]][[^ ]]*//g
d2cc0e0d
GK		 1896s/ [[^' -][^ ]*] / /
1897s/^ *//;s/ *$//
8ff944f6
DJ		 1898s,\$,$$,g
1899EOF_SED
1900sed -f conftestsed <<EOF_SED > conftestsed.out
1901 ${ac_configure_args}
d2cc0e0d 1902EOF_SED
8ff944f6
DJ		 1903baseargs=`cat conftestsed.out`
1904rm -f conftestsed conftestsed.out
252b5132 1905
f27d4f92
DJ		 1906# Add in --program-transform-name, after --program-prefix and
1907# --program-suffix have been applied to it. Autoconf has already
1908# doubled dollar signs and backslashes in program_transform_name; we want
1909# the backslashes un-doubled, and then the entire thing wrapped in single
1910# quotes, because this will be expanded first by make and then by the shell.
1911# Also, because we want to override the logic in subdir configure scripts to
1912# choose program_transform_name, replace any s,x,x, with s,y,y,.
1913sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1914${program_transform_name}
1915EOF_SED
1916gcc_transform_name=`cat conftestsed.out`
1917rm -f conftestsed.out
1918baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1919
49b7683b
DD		 1920# For the build-side libraries, we just need to pretend we're native,
1921# and not use the same cache file. Multilibs are neither needed nor
1922# desired.
a0da8069 1923build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
91e060aa 1924
ae831be5
NN		 1925# For host modules, accept cache file option, or specification as blank.
1926case "${cache_file}" in
1927"") # empty
1928 cache_file_option="" ;;
a0da8069 1929/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 1930 cache_file_option="--cache-file=${cache_file}" ;;
1931*) # relative path
1932 cache_file_option="--cache-file=../${cache_file}" ;;
1933esac
1934
82252c06
NN		 1935# Host dirs don't like to share a cache file either, horribly enough.
1936# This seems to be due to autoconf 2.5x stupidity.
bb5dca17 1937host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
ae831be5 1938
a0da8069 1939target_configargs=${baseargs}
49b7683b 1940
252b5132
RH		 1941# Passing a --with-cross-host argument lets the target libraries know
1942# whether they are being built with a cross-compiler or being built
1943# native. However, it would be better to use other mechanisms to make the
1944# sorts of decisions they want to make on this basis. Please consider
1945# this option to be deprecated. FIXME.
a0c4f3a0 1946if test x${is_cross_compiler} = xyes ; then
a0da8069 1947 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
252b5132
RH		 1948fi
1949
1950# Default to --enable-multilib.
a0c4f3a0 1951if test x${enable_multilib} = x ; then
a0da8069 1952 target_configargs="--enable-multilib ${target_configargs}"
252b5132
RH		 1953fi
1954
1955# Pass --with-newlib if appropriate. Note that target_configdirs has
1956# changed from the earlier setting of with_newlib.
a0c4f3a0 1957if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 1958 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 1959fi
1960
95036d20
NN		 1961# Different target subdirs use different values of certain variables
1962# (notably CXX). Worse, multilibs use *lots* of different values.
1963# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1964# it doesn't automatically accept command-line overrides of them.
1965# This means it's not safe for target subdirs to share a cache file,
1966# which is disgusting, but there you have it. Hopefully this can be
1967# fixed in future. It's still worthwhile to use a cache file for each
1968# directory. I think.
1969
49b7683b 1970# Pass the appropriate --host, --build, and --cache-file arguments.
bb5dca17 1971target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
49b7683b 1972
252b5132
RH		 1973# provide a proper gxx_include_dir.
1974# Note, if you change the default, make sure to fix both here and in
75205f78 1975# the gcc and libstdc++-v3 subdirectories.
252b5132 1976# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
3db0a37f
NN		 1977case "${with_gxx_include_dir}" in
1978 yes)
1979 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1980 ;;
1981 no | "")
1982 case "${enable_version_specific_runtime_libs}" in
1983 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1984 *)
1985 . ${srcdir}/config.if
1986 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1987 esac ;;
1988 *) gxx_include_dir=${with_gxx_include_dir} ;;
1989esac
252b5132 1990
9e449d3e 1991FLAGS_FOR_TARGET=
7c1f909c 1992case " $target_configdirs " in
75205f78 1993 *" newlib "*)
a0da8069 1994 case " $target_configargs " in
75205f78 1995 *" --with-newlib "*)
9e449d3e 1996 case "$target" in
63266560 1997 *-cygwin*)
564b43e5 1998 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 $$s/winsup/w32api/include' ;;
9e449d3e
AO		 1999 esac
2000
7450026c 2001 # If we're not building GCC, don't discard standard headers.
4d5fd396 2002 if test -d ${srcdir}/gcc; then
63266560 2003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2004
2005 if test "${build}" != "${host}"; then
2006 # On Canadian crosses, CC_FOR_TARGET will have already been set
2007 # by `configure', so we won't have an opportunity to add -Bgcc/
2008 # to it. This is right: we don't want to search that directory
2009 # for binaries, but we want the header files in there, so add
2010 # them explicitly.
2011 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
2012
2013 # Someone might think of using the pre-installed headers on
2014 # Canadian crosses, in case the installed compiler is not fully
2015 # compatible with the compiler being built. In this case, it
2016 # would be better to flag an error than risking having
2017 # incompatible object files being constructed. We can't
2018 # guarantee that an error will be flagged, but let's hope the
2019 # compiler will do it, when presented with incompatible header
2020 # files.
2021 fi
63266560
DD		 2022 fi
2023
0a0d0041 2024 case "${target}-${is_cross_compiler}" in
ec11bdc6 2025 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2026 # Here host == target, so we don't need to build gcc,
2027 # so we don't want to discard standard headers.
2028 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2029 ;;
2030 *)
2031 # If we're building newlib, use its generic headers last, but search
2032 # for any libc-related directories first (so make it the last -B
2033 # switch).
2034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2035 ;;
2036 esac
9e449d3e 2037 ;;
75205f78
DD		 2038 esac
2039 ;;
9e449d3e 2040esac
63266560 2041
5fbad20a
DD		 2042# Allow the user to override the flags for
2043# our build compiler if desired.
2044CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2045
63266560
DD		 2046# On Canadian crosses, we'll be searching the right directories for
2047# the previously-installed cross compiler, so don't bother to add
2048# flags for directories within the install tree of the compiler
2049# being built; programs in there won't even run.
4d5fd396 2050if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2051 # Search for pre-installed headers if nothing else fits.
bba45b8b 2052 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2053fi
63266560 2054
7c1f909c 2055if test "x${use_gnu_ld}" = x &&
f48556b1 2056 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e
AO		 2057 # Arrange for us to find uninstalled linker scripts.
2058 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2059fi
2060
63266560
DD		 2061if test "x${CC_FOR_TARGET+set}" = xset; then
2062 :
4d5fd396 2063elif test -d ${srcdir}/gcc; then
98fbe43f 2064 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
9e449d3e
AO		 2065elif test "$host" = "$target"; then
2066 CC_FOR_TARGET='$(CC)'
2067else
e78b5cfe 2068 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
9e449d3e 2069fi
a0da8069 2070CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
9e449d3e 2071
75205f78
DD		 2072if test "x${GCJ_FOR_TARGET+set}" = xset; then
2073 :
4d5fd396 2074elif test -d ${srcdir}/gcc; then
75205f78
DD		 2075 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2076elif test "$host" = "$target"; then
2077 GCJ_FOR_TARGET='gcj'
2078else
e78b5cfe 2079 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
75205f78 2080fi
a0da8069 2081GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
75205f78 2082
4b1cb4fe
DD		 2083if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2084 :
2085elif test -d ${srcdir}/gcc; then
2086 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2087elif test "$host" = "$target"; then
2088 GFORTRAN_FOR_TARGET='gfortran'
2089else
88f64edc 2090 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
4b1cb4fe
DD		 2091fi
2092case $GFORTRAN_FOR_TARGET in
2093*' $(FLAGS_FOR_TARGET)') ;;
2094*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2095esac
2096
8ee424c0 2097# Don't use libstdc++-v3's flags to configure/build itself.
56f25033 2098libstdcxx_flags='`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'
f2ab5990 2099raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
8ee424c0 2100
63266560 2101if test "x${CXX_FOR_TARGET+set}" = xset; then
75addda2
DJ		 2102 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2103 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2104 fi
4d5fd396 2105elif test -d ${srcdir}/gcc; then
2e8357fc
AO		 2106 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2107 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2108 # default whereas gcc does not.
930314a4
NN		 2109 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2110 # all other cases.
2111 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2112 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
9e449d3e
AO		 2113elif test "$host" = "$target"; then
2114 CXX_FOR_TARGET='$(CXX)'
930314a4 2115 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
9e449d3e 2116else
e78b5cfe 2117 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
930314a4 2118 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
9e449d3e 2119fi
a0da8069
NN		 2120CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2121RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
930314a4 2122
a0da8069
NN		 2123qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2124qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
dec0cb0c
AO		 2125
2126# We want to defer the evaluation of `cmd`s and shell variables in
2127# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2128# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2129# quotes, but we still have to duplicate `$'s so that shell variables
2130# can be expanded by the nested make as shell variables, not as make
2131# macros.
a0da8069
NN		 2132qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2133qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2134
2135# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2136CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2137GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
4b1cb4fe 2138GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
a0da8069
NN		 2139CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2140RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2141CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2142RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2143
2144# Makefile fragments.
3e707e94
PB		 2145for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2146do
2147 eval fragval=\$$frag
2148 if test $fragval != /dev/null; then
2149 eval $frag=${srcdir}/$fragval
2150 fi
2151done
a0da8069
NN		 2152AC_SUBST_FILE(host_makefile_frag)
2153AC_SUBST_FILE(target_makefile_frag)
2154AC_SUBST_FILE(alphaieee_frag)
2155AC_SUBST_FILE(ospace_frag)
2156
2157# Miscellanea: directories, flags, etc.
2158AC_SUBST(SET_LIB_PATH)
2159AC_SUBST(RPATH_ENVVAR)
2160AC_SUBST(BUILD_PREFIX)
2161AC_SUBST(BUILD_PREFIX_1)
a0da8069
NN		 2162AC_SUBST(gcc_version_trigger)
2163AC_SUBST(gcc_version)
2164AC_SUBST(tooldir)
2165AC_SUBST(build_tooldir)
2166AC_SUBST(GDB_TK)
2167AC_SUBST(gxx_include_dir)
2168AC_SUBST(libstdcxx_incdir)
2169
2170# Build module lists & subconfigure args.
a0da8069 2171AC_SUBST(build_configargs)
6a9cf61e 2172AC_SUBST(build_configdirs)
a0da8069
NN		 2173
2174# Host module lists & subconfigure args.
2175AC_SUBST(host_configargs)
2176AC_SUBST(configdirs)
a0da8069
NN		 2177
2178# Target module lists & subconfigure args.
a0da8069
NN		 2179AC_SUBST(target_configargs)
2180AC_SUBST(target_configdirs)
a0da8069
NN		 2181
2182# Build tools.
a0da8069 2183AC_SUBST(CC_FOR_BUILD)
a0da8069
NN		 2184AC_SUBST(config_shell)
2185
2186# Host tools.
d18f1c9f
NN		 2187NCN_STRICT_CHECK_TOOL(AR, ar)
2188NCN_STRICT_CHECK_TOOL(AS, as)
2189NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2190NCN_STRICT_CHECK_TOOL(LD, ld)
2191NCN_STRICT_CHECK_TOOL(NM, nm)
2192NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2193NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2194NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2195NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
a0da8069
NN		 2196AC_SUBST(CC)
2197AC_SUBST(CXX)
2198AC_SUBST(CFLAGS)
5fbad20a 2199AC_SUBST(CFLAGS_FOR_BUILD)
a0da8069 2200AC_SUBST(CXXFLAGS)
a0da8069
NN		 2201
2202# Target tools.
54752a6b
NN		 2203NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2204NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2205NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2206NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2207NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2208NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2209NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
a0da8069
NN		 2210
2211AC_SUBST(GCC_FOR_TARGET)
2212AC_SUBST(FLAGS_FOR_TARGET)
2213AC_SUBST(CC_FOR_TARGET)
2214AC_SUBST(GCJ_FOR_TARGET)
4b1cb4fe 2215AC_SUBST(GFORTRAN_FOR_TARGET)
a0da8069
NN		 2216AC_SUBST(CXX_FOR_TARGET)
2217AC_SUBST(RAW_CXX_FOR_TARGET)
2218AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2219AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2220
2221# Fix up target tools.
2222if test "x${build}" = "x${host}" ; then
2223 # In this case, the newly built tools can and should be used,
2224 # so we override the results of the autoconf tests.
2225 # This should really only happen when the tools are actually being built,
2226 # but that's a further refinement. The new build scheme, where
2227 # tools are built into a structure paralleling where they're installed,
2228 # should also eliminate all of this cleanly.
2229 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2230 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2231 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2232 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2233 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2234 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2235 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
54752a6b
NN		 2236else
2237 # Just use the ones we found.
2238 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2239 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2240 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2241 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2242 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2243 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2244 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
a0da8069 2245fi
54752a6b
NN		 2246AC_SUBST(AR_FOR_TARGET)
2247AC_SUBST(AS_FOR_TARGET)
2248AC_SUBST(DLLTOOL_FOR_TARGET)
2249AC_SUBST(LD_FOR_TARGET)
2250AC_SUBST(NM_FOR_TARGET)
2251AC_SUBST(RANLIB_FOR_TARGET)
2252AC_SUBST(WINDRES_FOR_TARGET)
2253
a0da8069
NN		 2254# Certain tools may need extra flags.
2255AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2256RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2257NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 2258
6b784d9f
AO		 2259AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2260AC_ARG_ENABLE(maintainer-mode,
2261[ --enable-maintainer-mode enable make rules and dependencies not useful
2262 (and sometimes confusing) to the casual installer],
2263 USE_MAINTAINER_MODE=$enableval,
2264 USE_MAINTAINER_MODE=no)
2265AC_MSG_RESULT($USE_MAINTAINER_MODE)
2266AC_SUBST(MAINTAINER_MODE_TRUE)
2267AC_SUBST(MAINTAINER_MODE_FALSE)
2268if test "$USE_MAINTAINER_MODE" = yes; then
2269 MAINTAINER_MODE_TRUE=
2270 MAINTAINER_MODE_FALSE='#'
2271else
2272 MAINTAINER_MODE_TRUE='#'
2273 MAINTAINER_MODE_FALSE=
2274fi
2275MAINT=$MAINTAINER_MODE_TRUE
2276AC_SUBST(MAINT)dnl
2277
1d39f329
NN		 2278# ---------------------
2279# GCC bootstrap support
2280# ---------------------
2281
2282# Stage specific cflags for build.
2283stage1_cflags="-g"
2284case $build in
2285 vax-*-*)
2286 case ${GCC} in
2287 yes) stage1_cflags="-g -Wa,-J" ;;
2288 *) stage1_cflags="-g -J" ;;
2289 esac ;;
2290 powerpc-*-darwin*)
2291 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2292 # sources; use -no-cpp-precomp to get to GNU cpp.
2293 # Apple's GCC has bugs in designated initializer handling, so disable
2294 # that too.
2295 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2296 ;;
2297esac
2298AC_SUBST(stage1_cflags)
2299
dfdffa2c 2300# It makes debugging easier if we create as symlinks the stage directories
9cb3fa6f 2301# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
dfdffa2c
PB		 2302# possible, however, we can resort to mv.
2303AC_CACHE_CHECK([if symbolic links between directories work],
2304[gcc_cv_prog_ln_s_dir],
2305[if test "${LN_S}" = "ln -s" \
2306 && mkdir confdir.s1 \
2307 && ln -s confdir.s1 confdir.s2 \
2308 && echo timestamp1 > confdir.s1/conftest.1 \
2309 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2310 && echo timestamp2 > confdir.s2/conftest.2 \
2311 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2312 && rm -f confdir.s2; then
2313 gcc_cv_prog_ln_s_dir=yes
2314else
2315 gcc_cv_prog_ln_s_dir=yes
2316fi
2317rm -rf confdir.s1 confdir.s2])
2318
2319case ${gcc_cv_prog_ln_s_dir} in
2320 yes)
2321 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2322 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2323 *)
2324 CREATE_LINK_TO_DIR='mv $$1 $$2'
2325 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2326esac
2327AC_SUBST(CREATE_LINK_TO_DIR)
2328AC_SUBST(UNDO_LINK_TO_DIR)
2329
1d39f329
NN		 2330# Enable -Werror in bootstrap stage2 and later.
2331# Change the default to "no" on release branches.
2332AC_ARG_ENABLE(werror,
2333[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2334[enable_werror=yes])
1a6f2dc7
NN		 2335case ${enable_werror} in
2336 yes) stage2_werror_flag="--enable-werror-always" ;;
2337 *) stage2_werror_flag="" ;;
1d39f329 2338esac
1a6f2dc7 2339AC_SUBST(stage2_werror_flag)
1d39f329 2340
315b3b02
L		 2341# If gcc is built natively with shared library enabled, set
2342# $RPATH_ENVVAR to make sure the newly built gcc shared librares are
2343# used.
2344SET_GCC_LIB_PATH=
2345if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
02b1af09
L		 2346 case "${set_lib_path}" in
2347 no) ;;
315b3b02
L		 2348 *)
2349 eval "d=\$$RPATH_ENVVAR"
2350 if test x"$d" != x; then
2351 d="$pwd/gcc:$d"
2352 else
2353 d="$pwd/gcc"
2354 fi
2355 SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
2356 ;;
2357 esac
2358fi
2359AC_SUBST(SET_GCC_LIB_PATH)
2360
a0da8069 2361AC_OUTPUT(Makefile)
GDB Binutils - Deliverables
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