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Merge from gcc
[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
83# Set srcdir to "." if that's what it is.
84# This is important for multilib support.
85pwd=`${PWDCMD-pwd}`
86srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
87if test "${pwd}" = "${srcpwd}" ; then
88 srcdir=.
89fi
90
91topsrcdir=$srcpwd
252b5132 92
ae831be5
NN		 93extra_host_args=
94# Define the trigger file to make sure configure will re-run whenever
95# the gcc version number changes.
a0da8069
NN		 96if test "${with_gcc_version_trigger+set}" = set ; then
97 gcc_version_trigger="$with_gcc_version_trigger"
98 gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
ae831be5 99else
a0da8069
NN		 100 # If gcc's sources are available, define the trigger file.
101 if test -f ${topsrcdir}/gcc/version.c ; then
102 gcc_version_trigger=${topsrcdir}/gcc/version.c
103 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
104 case "$ac_configure_args" in
105 *--with-gcc-version-trigger=$gcc_version_trigger* )
106 ;;
107 * )
108 # Add to all subconfigure arguments: build, host, and target.
e6bfb94a 109 ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
a0da8069
NN		 110 ;;
111 esac
112 fi
ae831be5
NN		 113fi
114
252b5132
RH		 115### To add a new directory to the tree, first choose whether it is a target
116### or a host dependent tool. Then put it into the appropriate list
a2cc058a 117### (library or tools, host or target), doing a dependency sort.
252b5132 118
a2cc058a
NN		 119# Subdirs will be configured in the order listed in build_configdirs,
120# configdirs, or target_configdirs; see the serialization section below.
121
122# Dependency sorting is only needed when *configuration* must be done in
123# a particular order. In all cases a dependency should be specified in
124# the Makefile, whether or not it's implicitly specified here.
125
126# Double entries in build_configdirs, configdirs, or target_configdirs may
127# cause circular dependencies and break everything horribly.
252b5132 128
6a9cf61e
PB		 129# these library is used by various programs built for the build
130# environment
131#
132build_libs="build-libiberty"
133
134# these tools are built for the build environment
ee025550 135build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 136
252b5132
RH		 137# these libraries are used by various programs built for the host environment
138#
be75bbe1 139host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
252b5132 140
252b5132
RH		 141# these tools are built for the host environment
142# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
143# know that we are building the simulator.
2af579c4
NN		 144# binutils, gas and ld appear in that order because it makes sense to run
145# "make check" in that particular order.
91f0e695 146host_tools="texinfo byacc flex bison binutils gas ld 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		 147
148# libgcj represents the runtime libraries only used by gcj.
149libgcj="target-libffi \
150 target-boehm-gc \
151 target-zlib \
152 target-qthreads \
153 target-libjava"
252b5132
RH		 154
155# these libraries are built for the target environment, and are built after
156# the host libraries and the host tools (which may be a cross compiler)
157#
9c14acb8 158target_libraries="target-libiberty \
252b5132
RH		 159 target-libgloss \
160 target-newlib \
b9459e83 161 target-libstdc++-v3 \
4b1cb4fe 162 target-libmudflap \
4b1cb4fe 163 target-libgfortran \
83326456 164 ${libgcj} \
a2592b1b
DD		 165 target-libobjc \
166 target-libada"
252b5132 167
9c14acb8
NN		 168# these tools are built using the target libraries, and are intended to
169# run only in the target environment
252b5132 170#
9c14acb8 171# note: any program that *uses* libraries that are in the "target_libraries"
252b5132
RH		 172# list belongs in this list. those programs are also very likely
173# candidates for the "native_only" list which follows
174#
a3dd767d 175target_tools="target-examples target-groff target-gperf target-rda"
252b5132
RH		 176
177################################################################################
178
252b5132
RH		 179## All tools belong in one of the four categories, and are assigned above
180## We assign ${configdirs} this way to remove all embedded newlines. This
181## is important because configure will choke if they ever get through.
182## ${configdirs} is directories we build using the host tools.
183## ${target_configdirs} is directories we build using the target tools.
252b5132 184configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 185target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 186build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 187
252b5132
RH		 188################################################################################
189
252b5132
RH		 190srcname="gnu development package"
191
192# This gets set non-empty for some net releases of packages.
193appdirs=""
194
c712250a
DD		 195# Define is_cross_compiler to save on calls to 'test'.
196is_cross_compiler=
197if test x"${host}" = x"${target}" ; then
198 is_cross_compiler=no
199else
200 is_cross_compiler=yes
201fi
202
9175bfc0 203# Find the build and target subdir names.
dd12c3a8 204GCC_TOPLEV_SUBDIRS
252b5132 205
f48556b1
DD		 206# Skipdirs are removed silently.
207skipdirs=
208# Noconfigdirs are removed loudly.
209noconfigdirs=""
252b5132 210
f48556b1
DD		 211use_gnu_ld=
212# Make sure we don't let GNU ld be added if we didn't want it.
213if test x$with_gnu_ld = xno ; then
214 use_gnu_ld=no
215 noconfigdirs="$noconfigdirs ld"
252b5132
RH		 216fi
217
f48556b1
DD		 218use_gnu_as=
219# Make sure we don't let GNU as be added if we didn't want it.
220if test x$with_gnu_as = xno ; then
221 use_gnu_as=no
222 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 223fi
224
f48556b1
DD		 225# some tools are so dependent upon X11 that if we're not building with X,
226# it's not even worth trying to configure, much less build, that tool.
252b5132 227
f48556b1
DD		 228case ${with_x} in
229 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 230 no)
675c6968 231 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD		 232 # We won't be able to build gdbtk without X.
233 enable_gdbtk=no
234 ;;
f48556b1
DD		 235 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
236esac
252b5132 237
f48556b1 238# Some tools are only suitable for building in a "native" situation.
405ea7a0 239# Remove these if host!=target.
91f0e695 240native_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		 241
242# Similarly, some are only suitable for cross toolchains.
243# Remove these if host=target.
244cross_only="target-libgloss target-newlib target-opcodes"
252b5132 245
f48556b1
DD		 246case $is_cross_compiler in
247 no) skipdirs="${skipdirs} ${cross_only}" ;;
248 yes) skipdirs="${skipdirs} ${native_only}" ;;
249esac
252b5132 250
a32d391c
DD		 251# If both --with-headers and --with-libs are specified, default to
252# --without-newlib.
d2cc0e0d
GK		 253if test x"${with_headers}" != x && test x"${with_headers} != xno \
254 && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
a32d391c
DD		 255 if test x"${with_newlib}" = x ; then
256 with_newlib=no
257 fi
258fi
259
260# Recognize --with-newlib/--without-newlib.
261case ${with_newlib} in
262 no) skipdirs="${skipdirs} target-newlib" ;;
263 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
264esac
265
252b5132
RH		 266# Configure extra directories which are host specific
267
268case "${host}" in
f48556b1 269 *-cygwin*)
3866be5d 270 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 271esac
272
273# Remove more programs from consideration, based on the host or
274# target this usually means that a port of the program doesn't
275# exist yet.
276
252b5132 277case "${host}" in
75205f78
DD		 278 hppa*64*-*-*)
279 noconfigdirs="$noconfigdirs byacc"
280 ;;
ec11bdc6 281 i[[3456789]]86-*-vsta)
675c6968 282 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
252b5132 283 ;;
ec11bdc6 284 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
675c6968 285 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
bba45b8b 286 ;;
ec11bdc6 287 i[[3456789]]86-*-mingw32*)
675c6968 288 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
a92834c8 289 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
bba45b8b 290 ;;
ec11bdc6 291 i[[3456789]]86-*-beos*)
675c6968 292 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
bba45b8b 293 ;;
252b5132 294 *-*-cygwin*)
a92834c8 295 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
252b5132
RH		 296 ;;
297 *-*-netbsd*)
a92834c8 298 noconfigdirs="$noconfigdirs rcs"
252b5132
RH		 299 ;;
300 ppc*-*-pe)
675c6968 301 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
252b5132 302 ;;
ba73c63f 303 powerpc-*-beos*)
675c6968 304 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
ba73c63f 305 ;;
bbf7c8ac 306 *-*-darwin*)
675c6968 307 noconfigdirs="$noconfigdirs tk itcl libgui"
bbf7c8ac 308 ;;
252b5132
RH		 309esac
310
4b1cb4fe 311
a2592b1b
DD		 312AC_ARG_ENABLE(libada,
313[ --enable-libada Builds libada directory],
314ENABLE_LIBADA=$enableval,
315ENABLE_LIBADA=yes)
316if test "${ENABLE_LIBADA}" != "yes" ; then
317 noconfigdirs="$noconfigdirs target-libada"
318fi
319
96111c10
AO		 320# Save it here so that, even in case of --enable-libgcj, if the Java
321# front-end isn't enabled, we still get libgcj disabled.
322libgcj_saved=$libgcj
323case $enable_libgcj in
324yes)
325 # If we reset it here, it won't get added to noconfigdirs in the
326 # target-specific build rules, so it will be forcibly enabled
327 # (unless the Java language itself isn't enabled).
328 libgcj=
329 ;;
330no)
331 # Make sure we get it printed in the list of not supported target libs.
332 noconfigdirs="$noconfigdirs ${libgcj}"
333 ;;
334esac
335
4b1cb4fe
DD		 336
337# Allow --disable-libmudflap to exclude target-libmudflap
338case $enable_libmudflap in
3e707e94 339yes)
4b1cb4fe
DD		 340 ;;
341no)
342 noconfigdirs="$noconfigdirs target-libmudflap"
343 ;;
3e707e94
PB		 344"")
345 case "${target}" in
3d6dfe0f
NN		 346 *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
347 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 348 ;;
349 *-*-freebsd*)
350 # Enable libmudflap by default in FreeBSD.
351 ;;
352 *)
353 # Disable it by default everywhere else.
354 noconfigdirs="$noconfigdirs target-libmudflap"
355 ;;
356 esac
4b1cb4fe
DD		 357esac
358
359
252b5132 360case "${target}" in
75205f78
DD		 361 *-*-chorusos)
362 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
363 ;;
04d1ab34 364 powerpc-*-darwin*)
b3f16a9b 365 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
b2884a0c 366 noconfigdirs="$noconfigdirs target-libobjc"
b3f16a9b 367 ;;
04d1ab34
GK		 368 *-*-darwin*)
369 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
370 noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
371 ;;
a0da8069 372 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
ffb97b2f
DD		 373 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
374 ;;
de0b4a87 375 *-*-freebsd*)
4b1cb4fe
DD		 376 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
377 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
378 && test -f /usr/local/include/gmp.h; then
379 with_gmp=/usr/local
380 fi
381
382 # Skip some stuff that's unsupported on some FreeBSD configurations.
383 case "${target}" in
384 i*86-*-*) ;;
385 alpha*-*-*) ;;
386 *)
387 noconfigdirs="$noconfigdirs ${libgcj}"
388 ;;
389 esac
390 ;;
f8a495c8
NC		 391 *-*-kaos*)
392 # Remove unsupported stuff on all kaOS configurations.
80b200a1 393 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
f8a495c8
NC		 394 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
395 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
396 noconfigdirs="$noconfigdirs target-libgloss"
397 ;;
e82380cc
JT		 398 *-*-netbsd*)
399 # Skip some stuff on all NetBSD configurations.
ae03d6e2 400 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
e82380cc
JT		 401
402 # Skip some stuff that's unsupported on some NetBSD configurations.
403 case "${target}" in
75205f78 404 i*86-*-netbsdelf*) ;;
5b474aa8 405 arm*-*-netbsdelf*) ;;
e82380cc 406 *)
75205f78 407 noconfigdirs="$noconfigdirs ${libgcj}"
e82380cc
JT		 408 ;;
409 esac
410 ;;
2a3124ca
RH		 411 *-*-netware*)
412 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
252b5132
RH		 413 ;;
414 *-*-rtems*)
75205f78 415 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 416 ;;
c1968181
DD		 417 *-*-uclinux*)
418 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
419 ;;
252b5132 420 *-*-vxworks*)
3a48a978 421 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
252b5132
RH		 422 ;;
423 alpha*-dec-osf*)
e99daf2b
DD		 424 # ld works, but does not support shared libraries.
425 # newlib is not 64 bit ready. I'm not sure about fileutils.
252b5132 426 # gas doesn't generate exception information.
e99daf2b 427 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
252b5132
RH		 428 ;;
429 alpha*-*-*vms*)
75205f78
DD		 430 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
431 ;;
432 alpha*-*-linux*)
433 # newlib is not 64 bit ready
434 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH		 435 ;;
436 alpha*-*-*)
437 # newlib is not 64 bit ready
75205f78 438 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 439 ;;
4a18bd6b
AO		 440 am33_2.0-*-linux*)
441 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
442 ;;
75205f78
DD		 443 sh-*-linux*)
444 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
75205f78 445 ;;
2fb651f6 446 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
75205f78
DD		 447 noconfigdirs="$noconfigdirs ${libgcj}"
448 noconfigdirs="$noconfigdirs target-examples"
ba73c63f 449 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
675c6968 450 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6
NC		 451 noconfigdirs="$noconfigdirs expect dejagnu"
452 # the C++ libraries don't build on top of CE's C libraries
b9459e83 453 noconfigdirs="$noconfigdirs target-libstdc++-v3"
ae03d6e2 454 noconfigdirs="$noconfigdirs target-newlib"
2fb651f6
NC		 455 case "${host}" in
456 *-*-cygwin*) ;; # keep gdb and readline
b9459e83 457 *) noconfigdirs="$noconfigdirs gdb readline"
2fb651f6
NC		 458 ;;
459 esac
460 ;;
252b5132 461 arc-*-*)
75205f78 462 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 463 ;;
f03b4789
NN		 464 arm-*-coff | strongarm-*-coff | xscale-*-coff)
465 noconfigdirs="$noconfigdirs ${libgcj}"
466 ;;
11b04d1f 467 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
f03b4789
NN		 468 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
469 ;;
df4a6958
MM		 470 arm*-*-symbianelf*)
471 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
472 ;;
252b5132 473 arm-*-pe*)
75205f78 474 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 475 ;;
252b5132 476 arm-*-oabi*)
75205f78 477 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 478 ;;
252b5132 479 thumb-*-coff)
75205f78 480 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 481 ;;
252b5132 482 thumb-*-elf)
75205f78 483 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 484 ;;
485 thumb-*-oabi)
75205f78 486 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 487 ;;
347dad9e 488 thumb-*-pe)
75205f78 489 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 490 ;;
491 arm-*-riscix*)
75205f78 492 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 493 ;;
c95f53ae 494 avr-*-*)
b9459e83 495 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
c95f53ae 496 ;;
ff72e302 497 c4x-*-* | tic4x-*-*)
b9459e83 498 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
077b8428
NC		 499 ;;
500 c54x*-*-* | tic54x-*-*)
b9459e83 501 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
75205f78
DD		 502 ;;
503 cris-*-*)
b07c2aad 504 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
077b8428 505 ;;
3e707e94
PB		 506 crx-*-*)
507 noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
508 ;;
252b5132 509 d10v-*-*)
b9459e83 510 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 511 ;;
252b5132 512 d30v-*-*)
b07c2aad 513 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 514 ;;
252b5132 515 fr30-*-elf*)
b07c2aad 516 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 517 ;;
d2a86414
DB		 518 frv-*-*)
519 noconfigdirs="$noconfigdirs ${libgcj}"
d2a86414 520 ;;
dd1e52a4 521 h8300*-*-*)
80b200a1 522 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
dd1e52a4 523 ;;
252b5132 524 h8500-*-*)
80b200a1 525 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
75205f78
DD		 526 ;;
527 hppa*64*-*-linux* | parisc*64*-*-linux*)
528 # In this case, it's because the hppa64-linux target is for
529 # the kernel only at this point and has no libc, and thus no
530 # headers, crt*.o, etc., all of which are needed by these.
531 noconfigdirs="$noconfigdirs target-zlib"
252b5132
RH		 532 ;;
533 hppa*-*-*elf* | \
75205f78 534 parisc*-*-linux* | hppa*-*-linux* | \
09e90eb4 535 hppa*-*-lites* | \
17240c1f 536 hppa*-*-openbsd* | \
09e90eb4 537 hppa*64*-*-*)
75205f78 538 noconfigdirs="$noconfigdirs ${libgcj}"
ba73c63f 539 # Do configure ld/binutils/gas for this case.
252b5132
RH		 540 ;;
541 hppa*-*-*)
b3ed1d6b
AO		 542 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
543 # build on HP-UX 10.20.
544 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
252b5132 545 ;;
b07c2aad
HPN		 546 i960-*-*)
547 noconfigdirs="$noconfigdirs ${libgcj} gdb"
548 ;;
2315914d
JW		 549 ia64*-*-elf*)
550 # No gdb support yet.
675c6968 551 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
2315914d 552 ;;
a0c1c920
NC		 553 ia64*-**-hpux*)
554 # No gdb or ld support yet.
675c6968 555 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
a0c1c920 556 ;;
ec11bdc6 557 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
75205f78 558 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 559 ;;
ec11bdc6 560 i[[3456789]]86-*-linux*)
28f46298
HPN		 561 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
562 # not build java stuff by default.
563 case "${target}" in
564 *-*-*libc1*)
565 noconfigdirs="$noconfigdirs ${libgcj}";;
566 esac
567
c72f388d
TF		 568 # This section makes it possible to build newlib natively on linux.
569 # If we are using a cross compiler then don't configure newlib.
a018e15b 570 if test x${is_cross_compiler} != xno ; then
bba45b8b 571 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF		 572 fi
573 noconfigdirs="$noconfigdirs target-libgloss"
574 # If we are not using a cross compiler, do configure newlib.
575 # Note however, that newlib will only be configured in this situation
576 # if the --with-newlib option has been given, because otherwise
577 # 'target-newlib' will appear in skipdirs.
c72f388d 578 ;;
ec11bdc6 579 i[[3456789]]86-*-mingw32*)
252b5132 580 target_configdirs="$target_configdirs target-mingw"
b1af961c 581 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
252b5132
RH		 582
583 # Can't build gdb for mingw32 if not native.
584 case "${host}" in
ec11bdc6 585 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
675c6968 586 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
252b5132
RH		 587 ;;
588 esac
589 ;;
590 *-*-cygwin*)
591 target_configdirs="$target_configdirs target-libtermcap target-winsup"
b1af961c 592 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
b76d7de0 593 # always build newlib if winsup directory is present.
929ba6e7 594 if test -d "$srcdir/winsup"
b76d7de0
CV		 595 then
596 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
597 else
598 echo "Warning: winsup is missing so newlib can't be built."
599 fi
252b5132
RH		 600
601 # Can't build gdb for Cygwin if not native.
602 case "${host}" in
603 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
675c6968 604 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
252b5132
RH		 605 ;;
606 esac
607 ;;
ec11bdc6 608 i[[3456789]]86-*-pe)
b9459e83 609 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 610 ;;
ec11bdc6 611 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 612 # The linker does not yet know about weak symbols in COFF,
613 # and is not configured to handle mixed ELF and COFF.
75205f78 614 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 615 ;;
ec11bdc6 616 i[[3456789]]86-*-sco*)
75205f78 617 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 618 ;;
ec11bdc6 619 i[[3456789]]86-*-solaris2*)
252b5132
RH		 620 noconfigdirs="$noconfigdirs target-libgloss"
621 ;;
ec11bdc6 622 i[[3456789]]86-*-sysv4*)
e99daf2b 623 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 624 ;;
ec11bdc6 625 i[[3456789]]86-*-beos*)
bba45b8b
NN		 626 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
627 ;;
b07c2aad 628 m32r-*-*)
970f29af 629 noconfigdirs="$noconfigdirs ${libgcj}"
b07c2aad 630 ;;
75205f78 631 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
b9459e83 632 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f9e0997d 633 ;;
75205f78
DD		 634 m68k-*-elf*)
635 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 636 ;;
637 m68k-*-coff*)
75205f78 638 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 639 ;;
75205f78
DD		 640 mcore-*-pe*)
641 # The EPOC C++ environment does not support exceptions or rtti,
642 # and so building libstdc++-v3 tends not to always work.
643 noconfigdirs="$noconfigdirs target-libstdc++-v3"
644 ;;
645 mmix-*-*)
95c72c44 646 noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
75205f78 647 ;;
252b5132 648 mn10200-*-*)
75205f78 649 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 650 ;;
651 mn10300-*-*)
75205f78 652 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 653 ;;
654 powerpc-*-aix*)
655 # copied from rs6000-*-* entry
54752a6b 656 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 657 ;;
658 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
659 target_configdirs="$target_configdirs target-winsup"
675c6968 660 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
252b5132
RH		 661 # always build newlib.
662 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
663 ;;
664 # This is temporary until we can link against shared libraries
665 powerpcle-*-solaris*)
675c6968 666 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
ba73c63f
JM		 667 ;;
668 powerpc-*-beos*)
75205f78 669 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
252b5132
RH		 670 ;;
671 powerpc-*-eabi)
75205f78 672 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 673 ;;
674 rs6000-*-lynxos*)
07637366 675 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
252b5132
RH		 676 ;;
677 rs6000-*-aix*)
54752a6b 678 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 679 ;;
680 rs6000-*-*)
75205f78 681 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 682 ;;
683 m68k-apollo-*)
75205f78 684 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
252b5132
RH		 685 ;;
686 mips*-*-irix5*)
0f260896 687 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 688 ;;
689 mips*-*-irix6*)
b3ed1d6b
AO		 690 # Linking libjava exceeds command-line length limits on at least
691 # IRIX 6.2, but not on IRIX 6.5.
692 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
693 # <oldham@codesourcery.com>
aa236487 694 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 695 ;;
696 mips*-dec-bsd*)
75205f78 697 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 698 ;;
699 mips*-*-bsd*)
75205f78 700 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 701 ;;
702 mipstx39-*-*)
75205f78 703 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
bba45b8b 704 ;;
1712ab83
RS		 705 mips64*-*-linux*)
706 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
707 ;;
fad93c55 708 mips*-*-linux*)
574e6d11 709 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 710 ;;
252b5132 711 mips*-*-*)
75205f78 712 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 713 ;;
714 romp-*-*)
75205f78 715 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
252b5132
RH		 716 ;;
717 sh-*-*)
718 case "${host}" in
ec11bdc6
DD		 719 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
720 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
721 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
252b5132
RH		 722 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
723 esac
75205f78 724 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 725 ;;
20a5393b
AO		 726 sh64-*-*)
727 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
728 ;;
252b5132 729 sparc-*-elf*)
d5ec694c 730 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 731 ;;
732 sparc64-*-elf*)
d5ec694c 733 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 734 ;;
735 sparclite-*-*)
75205f78 736 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 737 ;;
738 sparc-*-sunos4*)
75205f78 739 noconfigdirs="$noconfigdirs ${libgcj}"
a0c4f3a0 740 if test x${is_cross_compiler} != xno ; then
c74222f7 741 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 742 else
743 use_gnu_ld=no
744 fi
745 ;;
3a036cdc 746 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 747 ;;
252b5132 748 v810-*-*)
b9459e83 749 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
252b5132
RH		 750 ;;
751 v850-*-*)
75205f78 752 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 753 ;;
347dad9e 754 v850e-*-*)
75205f78 755 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 756 ;;
757 v850ea-*-*)
75205f78 758 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
347dad9e 759 ;;
252b5132 760 vax-*-vms)
75205f78 761 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
252b5132
RH		 762 ;;
763 vax-*-*)
75205f78 764 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
96ce09a7 765 ;;
fbd1054d
BW		 766 xtensa-*-*)
767 noconfigdirs="$noconfigdirs ${libgcj}"
768 ;;
f48556b1 769 ip2k-*-*)
b9459e83 770 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f48556b1 771 ;;
de0b4a87 772 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
574e6d11
DD		 773 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 ;;
252b5132 775 *-*-lynxos*)
75205f78 776 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 777 ;;
75205f78
DD		 778 *-*-*)
779 noconfigdirs="$noconfigdirs ${libgcj}"
780 ;;
252b5132
RH		 781esac
782
783# If we aren't building newlib, then don't build libgloss, since libgloss
784# depends upon some newlib header files.
785case "${noconfigdirs}" in
786 *target-libgloss*) ;;
787 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 788esac
252b5132 789
f48556b1
DD		 790# Work in distributions that contain no compiler tools, like Autoconf.
791tentative_cc=""
a0da8069 792host_makefile_frag=/dev/null
f48556b1
DD		 793if test -d ${srcdir}/config ; then
794case "${host}" in
795 m68k-hp-hpux*)
796 # Avoid "too much defining" errors from HPUX compiler.
797 tentative_cc="cc -Wp,-H256000"
a0da8069
NN		 798 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
799 # If it's HP/UX ar, this should be harmless.
800 RANLIB="ar ts"
f48556b1
DD		 801 ;;
802 m68k-apollo-sysv*)
803 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
f48556b1
DD		 804 ;;
805 m68k-apollo-bsd*)
806 #None of the Apollo compilers can compile gas or binutils. The preprocessor
807 # chokes on bfd, the compiler won't let you assign integers to enums, and
808 # other problems. Defining CC to gcc is a questionable way to say "don't use
809 # the apollo compiler" (the preferred version of GCC could be called cc,
810 # or whatever), but I'm not sure leaving CC as cc is any better...
811 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
a0da8069 812 # Used to have BISON=yacc.
f48556b1 813 tentative_cc=gcc
f48556b1
DD		 814 ;;
815 m88k-dg-dgux*)
816 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
f48556b1
DD		 817 ;;
818 m88k-harris-cxux*)
819 # Under CX/UX, we want to tell the compiler to use ANSI mode.
820 tentative_cc="cc -Xa"
821 host_makefile_frag="config/mh-cxux"
822 ;;
823 m88k-motorola-sysv*)
f48556b1
DD		 824 ;;
825 mips*-dec-ultrix*)
826 tentative_cc="cc -Wf,-XNg1000"
827 host_makefile_frag="config/mh-decstation"
828 ;;
829 mips*-nec-sysv4*)
830 # The C compiler on NEC MIPS SVR4 needs bigger tables.
831 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
832 host_makefile_frag="config/mh-necv4"
833 ;;
f48556b1
DD		 834 mips*-sgi-irix4*)
835 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
836 # environment. Also bump switch table size so that cp-parse will
837 # compile. Bump string length limit so linker builds.
838 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
839 ;;
f48556b1
DD		 840 mips*-*-sysv4*)
841 host_makefile_frag="config/mh-sysv4"
842 ;;
843 mips*-*-sysv*)
844 # This is for a MIPS running RISC/os 4.52C.
845
846 # This is needed for GDB, but needs to be in the top-level make because
847 # if a library is compiled with the bsd headers and gets linked with the
848 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
849 # a different size).
850 # ptrace(2) apparently has problems in the BSD environment. No workaround is
851 # known except to select the sysv environment. Could we use /proc instead?
852 # These "sysv environments" and "bsd environments" often end up being a pain.
853 #
854 # This is not part of CFLAGS because perhaps not all C compilers have this
855 # option.
856 tentative_cc="cc -systype sysv"
f48556b1
DD		 857 ;;
858 i370-ibm-opened*)
859 tentative_cc="c89"
f48556b1 860 ;;
ec11bdc6 861 i[[3456789]]86-*-sysv5*)
f48556b1
DD		 862 host_makefile_frag="config/mh-sysv5"
863 ;;
ec11bdc6 864 i[[3456789]]86-*-dgux*)
f48556b1
DD		 865 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
866 host_makefile_frag="config/mh-dgux386"
867 ;;
ec11bdc6 868 i[[3456789]]86-ncr-sysv4.3*)
f48556b1
DD		 869 # The MetaWare compiler will generate a copyright message unless you
870 # turn it off by adding the -Hnocopyr flag.
871 tentative_cc="cc -Hnocopyr"
f48556b1 872 ;;
ec11bdc6 873 i[[3456789]]86-ncr-sysv4*)
f48556b1
DD		 874 # for an NCR 3000 (i486/SVR4) system.
875 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
876 # This compiler not only emits obnoxious copyright messages every time
877 # you run it, but it chokes and dies on a whole bunch of GNU source
878 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
879 tentative_cc="/usr/ccs/ATT/cc"
880 host_makefile_frag="config/mh-ncr3000"
881 ;;
ec11bdc6 882 i[[3456789]]86-*-sco3.2v5*)
f48556b1 883 ;;
ec11bdc6 884 i[[3456789]]86-*-sco*)
f48556b1
DD		 885 # The native C compiler botches some simple uses of const. Unfortunately,
886 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
887 tentative_cc="cc -Dconst="
888 host_makefile_frag="config/mh-sco"
889 ;;
ec11bdc6 890 i[[3456789]]86-*-udk*)
f48556b1
DD		 891 host_makefile_frag="config/mh-sysv5"
892 ;;
ec11bdc6 893 i[[3456789]]86-*-solaris2*)
f48556b1
DD		 894 host_makefile_frag="config/mh-sysv4"
895 ;;
ec11bdc6 896 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 897 host_makefile_frag="config/mh-djgpp"
898 ;;
899 *-cygwin*)
900 host_makefile_frag="config/mh-cygwin"
901 ;;
902 *-mingw32*)
903 host_makefile_frag="config/mh-mingw32"
904 ;;
905 *-interix*)
906 host_makefile_frag="config/mh-interix"
907 ;;
908 vax-*-ultrix2*)
909 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
910 tentative_cc=gcc
911 ;;
912 *-*-solaris2*)
913 host_makefile_frag="config/mh-solaris"
914 ;;
915 m68k-sun-sunos*)
916 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
917 # without overflowing the jump tables (-J says to use a 32 bit table)
918 tentative_cc="cc -J"
919 ;;
f48556b1
DD		 920 *-hp-hpux*)
921 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 922 ;;
923 *-*-hiux*)
924 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 925 ;;
926 rs6000-*-lynxos*)
927 # /bin/cc is less than useful for our purposes. Always use GCC
928 tentative_cc="/usr/cygnus/progressive/bin/gcc"
929 host_makefile_frag="config/mh-lynxrs6k"
930 ;;
0df3d27f
PB		 931 powerpc-*-darwin*)
932 host_makefile_frag="config/mh-ppc-darwin"
933 ;;
f48556b1
DD		 934 *-*-lynxos*)
935 # /bin/cc is less than useful for our purposes. Always use GCC
936 tentative_cc="/bin/gcc"
937 ;;
938 *-*-sysv4*)
939 host_makefile_frag="config/mh-sysv4"
940 ;;
f48556b1
DD		 941esac
942fi
943
9e07f89d
NN		 944# If we aren't going to be using gcc, see if we can extract a definition
945# of CC from the fragment.
946# Actually, use the 'pre-extracted' version above.
947if test -z "${CC}" && test "${build}" = "${host}" ; then
948 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
949 found=
950 for dir in $PATH; do
951 test -z "$dir" && dir=.
952 if test -f $dir/gcc; then
953 found=yes
954 break
955 fi
956 done
957 IFS="$save_ifs"
958 if test -z "${found}" && test -n "${tentative_cc}" ; then
959 CC=$tentative_cc
960 fi
961fi
962
963if test "${build}" != "${host}" ; then
964 # If we are doing a Canadian Cross, in which the host and build systems
965 # are not the same, we set reasonable default values for the tools.
966
9e07f89d
NN		 967 CC=${CC-${host_alias}-gcc}
968 CFLAGS=${CFLAGS-"-g -O2"}
969 CXX=${CXX-${host_alias}-c++}
970 CXXFLAGS=${CXXFLAGS-"-g -O2"}
971 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
972 CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
973 CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
974 GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
975 GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
976 BUILD_PREFIX=${build_alias}-
977 BUILD_PREFIX_1=${build_alias}-
9e07f89d
NN		 978
979else
980 # Set reasonable default values for some tools even if not Canadian.
981 # Of course, these are different reasonable default values, originally
982 # specified directly in the Makefile.
983 # We don't export, so that autoconf can do its job.
984 # Note that all these settings are above the fragment inclusion point
985 # in Makefile.in, so can still be overridden by fragments.
986 # This is all going to change when we autoconfiscate...
987
9e07f89d
NN		 988 CC_FOR_BUILD="\$(CC)"
989 GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
990 BUILD_PREFIX=
991 BUILD_PREFIX_1=loser-
6a9cf61e
PB		 992
993 AC_PROG_CC
9e07f89d
NN		 994
995 # We must set the default linker to the linker used by gcc for the correct
996 # operation of libtool. If LD is not defined and we are using gcc, try to
997 # set the LD default to the ld used by gcc.
998 if test -z "$LD"; then
6a9cf61e 999 if test "$GCC" = yes; then
9e07f89d
NN		 1000 case $build in
1001 *-*-mingw*)
1002 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1003 *)
1004 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1005 esac
1006 case $gcc_prog_ld in
1007 # Accept absolute paths.
1008 [[\\/]* | [A-Za-z]:[\\/]*)]
1009 LD="$gcc_prog_ld" ;;
1010 esac
1011 fi
1012 fi
1013
1014 CXX=${CXX-"c++"}
1015 CFLAGS=${CFLAGS-"-g"}
1016 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1017fi
1018
1019ACX_PROG_GNAT
b8908782 1020ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1021
11b04d1f 1022# Check for GMP and MPFR
4b1cb4fe
DD		 1023gmplibs=
1024gmpinc=
1025have_gmp=yes
11b04d1f
DD		 1026# Specify a location for mpfr
1027# check for this first so it ends up on the link line before gmp.
1028AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1029
1030if test "x$with_mpfr_dir" != x; then
1031 gmpinc="-I$with_mpfr_dir/mpfr"
1032 gmplibs="$with_mpfr_dir/libmpfr.a"
1033else
1034 gmplibs="-lmpfr"
1035fi
1036
1037AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1038
1039if test "x$with_mpfr" != x; then
1040 gmplibs="-L$with_mpfr/lib $gmplibs"
1041 gmpinc="-I$with_mpfr/include"
1042fi
1043
4b1cb4fe
DD		 1044# Specify a location for gmp
1045AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1046
11b04d1f
DD		 1047if test "x$with_gmp_dir" != x; then
1048 gmpinc="$gmpinc -I$with_gmp_dir"
4b1cb4fe 1049 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
11b04d1f 1050 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
4b1cb4fe 1051 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
11b04d1f 1052 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
4b1cb4fe
DD		 1053 fi
1054 # One of the later tests will catch the error if neither library is present.
11b04d1f
DD		 1055else
1056 gmplibs="$gmplibs -lgmp"
4b1cb4fe
DD		 1057fi
1058
1059AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1060
11b04d1f
DD		 1061if test "x$with_gmp" != x; then
1062 gmplibs="-L$with_gmp/lib $gmplibs"
1063 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe
DD		 1064fi
1065
1066saved_CFLAGS="$CFLAGS"
1067CFLAGS="$CFLAGS $gmpinc"
1068# Check GMP actually works
1069AC_MSG_CHECKING([for correct version of gmp.h])
1070AC_TRY_COMPILE([#include "gmp.h"],[
1071#if __GNU_MP_VERSION < 3
1072choke me
1073#endif
1074], [AC_MSG_RESULT([yes])],
1075 [AC_MSG_RESULT([no]); have_gmp=no])
1076
1077if test x"$have_gmp" = xyes; then
11b04d1f 1078 AC_MSG_CHECKING([for MPFR])
4b1cb4fe
DD		 1079
1080 saved_LIBS="$LIBS"
1081 LIBS="$LIBS $gmplibs"
11b04d1f
DD		 1082 AC_TRY_LINK([#include <gmp.h>
1083#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
4b1cb4fe
DD		 1084 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1085 LIBS="$saved_LIBS"
1086 CFLAGS="$saved_CFLAGS"
1087fi
1088
11b04d1f 1089# Flags needed for both GMP and/or MPFR
4b1cb4fe
DD		 1090AC_SUBST(gmplibs)
1091AC_SUBST(gmpinc)
1092
947f426e 1093# By default, C is the only stage 1 language.
1d39f329
NN		 1094stage1_languages=c
1095AC_SUBST(stage1_languages)
1096
9e07f89d
NN		 1097# Figure out what language subdirectories are present.
1098# Look if the user specified --enable-languages="..."; if not, use
1099# the environment variable $LANGUAGES if defined. $LANGUAGES might
1100# go away some day.
1101# NB: embedded tabs in this IF block -- do not untabify
1102if test -d ${srcdir}/gcc; then
1103 if test x"${enable_languages+set}" != xset; then
1104 if test x"${LANGUAGES+set}" = xset; then
1105 enable_languages="${LANGUAGES}"
1106 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1107 else
1108 enable_languages=all
1109 fi
1110 else
1111 if test x"${enable_languages}" = x ||
1112 test x"${enable_languages}" = xyes;
1113 then
1114 echo configure.in: --enable-languages needs at least one language argument 1>&2
1115 exit 1
1116 fi
1117 fi
1118 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1119
1120 # First scan to see if an enabled language requires some other language.
1121 # We assume that a given config-lang.in will list all the language
1122 # front ends it requires, even if some are required indirectly.
1123 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1124 case ${lang_frag} in
1125 ..) ;;
1126 # The odd quoting in the next line works around
1127 # an apparent bug in bash 1.12 on linux.
1128 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1129 *)
1130 # From the config-lang.in, get $language, $lang_requires
1131 language=
1132 lang_requires=
1133 . ${lang_frag}
1134 for other in ${lang_requires} ; do
1135 case ,${enable_languages}, in
1136 *,$other,*) ;;
1137 *,all,*) ;;
1138 *,$language,*)
1139 echo " \`$other' language required by \`$language'; enabling" 1>&2
1140 enable_languages="${enable_languages},${other}"
1141 ;;
1142 esac
1143 done
1144 ;;
1145 esac
1146 done
1147
1148 new_enable_languages=c
1149 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9cb3fa6f 1150 potential_languages=c
9e07f89d
NN		 1151
1152 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1153 case ${lang_frag} in
1154 ..) ;;
1155 # The odd quoting in the next line works around
1156 # an apparent bug in bash 1.12 on linux.
1157 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1158 *)
1159 # From the config-lang.in, get $language, $target_libs,
1d39f329 1160 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1161 language=
1162 target_libs=
1163 lang_dirs=
1d39f329 1164 boot_language=
9e07f89d 1165 build_by_default=
9cb3fa6f 1166 need_gmp=
9e07f89d 1167 . ${lang_frag}
9cb3fa6f 1168 potential_languages="${potential_languages},${language}"
9e07f89d
NN		 1169 # This is quite sensitive to the ordering of the case statement arms.
1170 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1171 *::*:*)
1172 echo "${lang_frag} doesn't set \$language." 1>&2
1173 exit 1
9cb3fa6f 1174 ;;
9e07f89d
NN		 1175 *:ada:no:*)
1176 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1177 add_this_lang=no
1178 ;;
1179 *,${language},*:*:*:*)
1180 # Language was explicitly selected; include it.
1181 add_this_lang=yes
1182 ;;
1183 *,all,*:*:*:no)
1184 # 'all' was selected, but this is not a default language
9cb3fa6f 1185 # so do not include it.
9e07f89d 1186 add_this_lang=no
9cb3fa6f 1187 ;;
9e07f89d
NN		 1188 *,all,*:*:*:*)
1189 # 'all' was selected and this is a default language; include it.
1190 add_this_lang=yes
1191 ;;
1192 *)
1193 add_this_lang=no
1194 ;;
1195 esac
4b1cb4fe 1196
9cb3fa6f
PB		 1197 # Disable languages that need GMP if it isn't available.
1198 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1199 *,${language},*:no:yes)
1200 # Specifically requested language; tell them.
1201 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1202 ;;
1203 *:no:yes)
1204 # Silently disable.
1205 add_this_lang=no
1206 ;;
1207 esac
4b1cb4fe
DD		 1208
1209 case $add_this_lang in
9e07f89d
NN		 1210 no)
1211 # Remove language-dependent dirs.
1d39f329
NN		 1212 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1213 ;;
9e07f89d
NN		 1214 *)
1215 new_enable_languages="$new_enable_languages,$language"
1d39f329
NN		 1216 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1217 case ${boot_language} in
1218 yes)
4fa63067
NN		 1219 # Add to (comma-separated) list of stage 1 languages.
1220 stage1_languages="${stage1_languages},${language}"
1d39f329
NN		 1221 ;;
1222 esac
1223 ;;
9e07f89d
NN		 1224 esac
1225 ;;
1226 esac
1227 done
1228
4b0ac75d 1229 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9e07f89d
NN		 1230 if test "x$missing_languages" != x; then
1231 AC_MSG_ERROR([
9cb3fa6f
PB		 1232The following requested languages were not found: ${missing_languages}
1233The available languages are: ${potential_languages}])
9e07f89d
NN		 1234 fi
1235
1236 if test "x$new_enable_languages" != "x$enable_languages"; then
1237 echo The following languages will be built: ${new_enable_languages}
1238 fi
1239 enable_languages="$new_enable_languages"
2e70b094 1240 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
9e07f89d
NN		 1241fi
1242
1243# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1244# $target_configdirs.
1245# If we have the source for $noconfigdirs entries, add them to $notsupp.
1246
1247notsupp=""
1248for dir in . $skipdirs $noconfigdirs ; do
1249 dirname=`echo $dir | sed -e s/target-//g`
1250 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1251 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1252 if test -r $srcdir/$dirname/configure ; then
1253 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1254 true
1255 else
1256 notsupp="$notsupp $dir"
1257 fi
1258 fi
1259 fi
1260 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1261 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1262 if test -r $srcdir/$dirname/configure ; then
1263 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1264 true
1265 else
1266 notsupp="$notsupp $dir"
1267 fi
1268 fi
1269 fi
1270done
1271
1272# Sometimes the tools are distributed with libiberty but with no other
1273# libraries. In that case, we don't want to build target-libiberty.
1274if test -n "${target_configdirs}" ; then
1275 others=
1276 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1277 if test "$i" != "libiberty" ; then
1278 if test -r $srcdir/$i/configure ; then
1279 others=yes;
1280 break;
1281 fi
1282 fi
1283 done
1284 if test -z "${others}" ; then
1285 target_configdirs=
1286 fi
1287fi
1288
1289# Quietly strip out all directories which aren't configurable in this tree.
1290# This relies on all configurable subdirectories being autoconfiscated, which
1291# is now the case.
6a9cf61e
PB		 1292build_configdirs_all="$build_configdirs"
1293build_configdirs=
1294for i in ${build_configdirs_all} ; do
1295 j=`echo $i | sed -e s/build-//g`
1296 if test -f ${srcdir}/$j/configure ; then
1297 build_configdirs="${build_configdirs} $i"
1298 fi
1299done
1300
9e07f89d
NN		 1301configdirs_all="$configdirs"
1302configdirs=
1303for i in ${configdirs_all} ; do
1304 if test -f ${srcdir}/$i/configure ; then
1305 configdirs="${configdirs} $i"
1306 fi
1307done
6a9cf61e 1308
9e07f89d
NN		 1309target_configdirs_all="$target_configdirs"
1310target_configdirs=
1311for i in ${target_configdirs_all} ; do
1312 j=`echo $i | sed -e s/target-//g`
1313 if test -f ${srcdir}/$j/configure ; then
1314 target_configdirs="${target_configdirs} $i"
1315 fi
1316done
1317
1318# Produce a warning message for the subdirs we can't configure.
1319# This isn't especially interesting in the Cygnus tree, but in the individual
1320# FSF releases, it's important to let people know when their machine isn't
1321# supported by the one or two programs in a package.
1322
1323if test -n "${notsupp}" && test -z "${norecursion}" ; then
1324 # If $appdirs is non-empty, at least one of those directories must still
1325 # be configured, or we error out. (E.g., if the gas release supports a
1326 # specified target in some subdirs but not the gas subdir, we shouldn't
1327 # pretend that all is well.)
1328 if test -n "$appdirs" ; then
1329 for dir in $appdirs ; do
1330 if test -r $dir/Makefile.in ; then
1331 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1332 appdirs=""
1333 break
1334 fi
6a9cf61e 1335 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 1336 appdirs=""
1337 break
1338 fi
1339 fi
1340 done
1341 if test -n "$appdirs" ; then
1342 echo "*** This configuration is not supported by this package." 1>&2
1343 exit 1
1344 fi
1345 fi
1346 # Okay, some application will build, or we don't care to check. Still
1347 # notify of subdirs not getting built.
1348 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1349 echo " ${notsupp}" 1>&2
1350 echo " (Any other directories should still work fine.)" 1>&2
1351fi
1352
1353case "$host" in
1354 *msdosdjgpp*)
1355 enable_gdbtk=no ;;
1356esac
1357
1358copy_dirs=
1359
1360# Handle --with-headers=XXX. If the value is not "yes", the contents of
1361# the named directory are copied to $(tooldir)/sys-include.
1362if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1363 if test x${is_cross_compiler} = xno ; then
1364 echo 1>&2 '***' --with-headers is only supported when cross compiling
1365 exit 1
1366 fi
1367 if test x"${with_headers}" != xyes ; then
1368 case "${exec_prefixoption}" in
1369 "") x=${prefix} ;;
1370 *) x=${exec_prefix} ;;
1371 esac
1372 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1373 fi
1374fi
1375
1376# Handle --with-libs=XXX. If the value is not "yes", the contents of
1377# the name directories are copied to $(tooldir)/lib. Multiple directories
1378# are permitted.
1379if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1380 if test x${is_cross_compiler} = xno ; then
1381 echo 1>&2 '***' --with-libs is only supported when cross compiling
1382 exit 1
1383 fi
1384 if test x"${with_libs}" != xyes ; then
1385 # Copy the libraries in reverse order, so that files in the first named
1386 # library override files in subsequent libraries.
1387 case "${exec_prefixoption}" in
1388 "") x=${prefix} ;;
1389 *) x=${exec_prefix} ;;
1390 esac
1391 for l in ${with_libs}; do
1392 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1393 done
1394 fi
1395fi
1396
1397# Handle ${copy_dirs}
1398set fnord ${copy_dirs}
1399shift
1400while test $# != 0 ; do
1401 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1402 :
1403 else
1404 echo Copying $1 to $2
1405
1406 # Use the install script to create the directory and all required
1407 # parent directories.
1408 if test -d $2 ; then
1409 :
1410 else
1411 echo >config.temp
1412 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1413 fi
1414
1415 # Copy the directory, assuming we have tar.
1416 # FIXME: Should we use B in the second tar? Not all systems support it.
1417 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1418
1419 # It is the responsibility of the user to correctly adjust all
1420 # symlinks. If somebody can figure out how to handle them correctly
1421 # here, feel free to add the code.
1422
1423 echo $1 > $2/COPIED
1424 fi
1425 shift; shift
1426done
1427
874e38b4
NN		 1428extra_arflags_for_target=
1429extra_nmflags_for_target=
1086bc09 1430extra_ranlibflags_for_target=
a0da8069 1431target_makefile_frag=/dev/null
f48556b1 1432case "${target}" in
2a3124ca 1433 *-*-netware*)
b6f83f2a 1434 target_makefile_frag="config/mt-netware"
f48556b1 1435 ;;
3d6dfe0f
NN		 1436 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1437 target_makefile_frag="config/mt-gnu"
f48556b1 1438 ;;
a0da8069 1439 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN		 1440 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1441 # commands to handle both 32-bit and 64-bit objects. These flags are
1442 # harmless if we're using GNU nm or ar.
1443 extra_arflags_for_target=" -X32_64"
1444 extra_nmflags_for_target=" -B -X32_64"
f48556b1 1445 ;;
1086bc09
NN		 1446 *-*-darwin*)
1447 # ranlib from Darwin requires the -c flag to look at common symbols.
1448 extra_ranlibflags_for_target=" -c"
1449 ;;
f48556b1 1450 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
b6f83f2a
DD		 1451 target_makefile_frag="config/mt-wince"
1452 ;;
1453esac
1454
a0da8069 1455alphaieee_frag=/dev/null
b6f83f2a
DD		 1456case $target in
1457 alpha*-*-*)
1458 # This just makes sure to use the -mieee option to build target libs.
1459 # This should probably be set individually by each library.
1460 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 1461 ;;
1462esac
a0a2c6c6 1463
f48556b1
DD		 1464# If --enable-target-optspace always use -Os instead of -O2 to build
1465# the target libraries, similarly if it is not specified, use -Os
1466# on selected platforms.
a0da8069 1467ospace_frag=/dev/null
f48556b1
DD		 1468case "${enable_target_optspace}:${target}" in
1469 yes:*)
b6f83f2a 1470 ospace_frag="config/mt-ospace"
f48556b1
DD		 1471 ;;
1472 :d30v-*)
b6f83f2a 1473 ospace_frag="config/mt-d30v"
f48556b1
DD		 1474 ;;
1475 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 1476 ospace_frag="config/mt-ospace"
f48556b1
DD		 1477 ;;
1478 no:* | :*)
1479 ;;
1480 *)
1481 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1482 ;;
1483esac
252b5132 1484
252b5132
RH		 1485# Set with_gnu_as and with_gnu_ld as appropriate.
1486#
1487# This is done by determining whether or not the appropriate directory
1488# is available, and by checking whether or not specific configurations
1489# have requested that this magic not happen.
1490#
1491# The command line options always override the explicit settings in
1492# configure.in, and the settings in configure.in override this magic.
1493#
1494# If the default for a toolchain is to use GNU as and ld, and you don't
1495# want to do that, then you should use the --without-gnu-as and
1496# --without-gnu-ld options for the configure script.
1497
f48556b1
DD		 1498if test x${use_gnu_as} = x &&
1499 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1500 with_gnu_as=yes
ae831be5 1501 extra_host_args="$extra_host_args --with-gnu-as"
252b5132
RH		 1502fi
1503
f48556b1
DD		 1504if test x${use_gnu_ld} = x &&
1505 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1506 with_gnu_ld=yes
ae831be5 1507 extra_host_args="$extra_host_args --with-gnu-ld"
252b5132
RH		 1508fi
1509
ae831be5 1510# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
252b5132
RH		 1511# can detect this case.
1512
f48556b1 1513if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
252b5132 1514 with_newlib=yes
ae831be5 1515 extra_host_args="$extra_host_args --with-newlib"
252b5132
RH		 1516fi
1517
f48556b1
DD		 1518# Default to using --with-stabs for certain targets.
1519if test x${with_stabs} = x ; then
1520 case "${target}" in
e31d1ea3 1521 mips*-*-irix[[56]]*)
f48556b1
DD		 1522 ;;
1523 mips*-*-* | alpha*-*-osf*)
1524 with_stabs=yes;
ae831be5 1525 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD		 1526 ;;
1527 esac
1528fi
1529
1530# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1531# them automatically.
1532case "${host}" in
1533 hppa*64*-*-hpux11*)
ae831be5 1534 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 1535 ;;
c92a0210
DD		 1536esac
1537
a0da8069
NN		 1538# Some systems (e.g., one of the i386-aix systems the gas testers are
1539# using) don't handle "\$" correctly, so don't use it here.
8013444f 1540tooldir='${exec_prefix}'/${target_alias}
a0da8069
NN		 1541build_tooldir=${tooldir}
1542
6a9cf61e
PB		 1543# Generate default definitions for YACC, M4, LEX and other programs that run
1544# on the build machine. These are used if the Makefile can't locate these
1545# programs in objdir.
947f426e 1546MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
6a9cf61e
PB		 1547AC_CHECK_PROGS([CONFIGURED_BISON], [bison], [$MISSING bison])
1548AC_CHECK_PROGS([CONFIGURED_YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
1549AC_CHECK_PROGS([CONFIGURED_M4], [gm4 gnum4 m4], [$MISSING m4])
1550AC_CHECK_PROGS([CONFIGURED_FLEX], [flex], [$MISSING flex])
1551AC_CHECK_PROGS([CONFIGURED_LEX], [flex lex], [$MISSING flex])
1552AC_CHECK_PROGS([CONFIGURED_MAKEINFO], makeinfo, [$MISSING makeinfo])
a0da8069 1553
a0da8069
NN		 1554# Create a .gdbinit file which runs the one in srcdir
1555# and tells GDB to look there for source files.
1556
1557if test -r ${srcdir}/.gdbinit ; then
1558 case ${srcdir} in
1559 .) ;;
1560 *) cat > ./.gdbinit <<EOF
1561# ${NO_EDIT}
1562dir ${srcdir}
1563dir .
1564source ${srcdir}/.gdbinit
1565EOF
1566 ;;
1567 esac
1568fi
1569
252b5132
RH		 1570# Make sure that the compiler is able to generate an executable. If it
1571# can't, we are probably in trouble. We don't care whether we can run the
1572# executable--we might be using a cross compiler--we only care whether it
1573# can be created. At this point the main configure script has set CC.
a0c4f3a0 1574we_are_ok=no
252b5132
RH		 1575echo "int main () { return 0; }" > conftest.c
1576${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 1577if test $? = 0 ; then
1578 if test -s conftest || test -s conftest.exe ; then
1579 we_are_ok=yes
1580 fi
1581fi
1582case $we_are_ok in
1583 no)
1584 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1585 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1586 rm -f conftest*
1587 exit 1
1588 ;;
1589esac
252b5132
RH		 1590rm -f conftest*
1591
1592# The Solaris /usr/ucb/cc compiler does not appear to work.
1593case "${host}" in
1594 sparc-sun-solaris2*)
1595 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 1596 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 1597 could_use=
a0c4f3a0
DD		 1598 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1599 if test -d /opt/cygnus/bin ; then
1600 if test "$could_use" = "" ; then
252b5132
RH		 1601 could_use="/opt/cygnus/bin"
1602 else
1603 could_use="$could_use or /opt/cygnus/bin"
1604 fi
1605 fi
a0c4f3a0 1606 if test "$could_use" = "" ; then
252b5132
RH		 1607 echo "Warning: compilation may fail because you're using"
1608 echo "/usr/ucb/cc. You should change your PATH or CC "
1609 echo "variable and rerun configure."
1610 else
1611 echo "Warning: compilation may fail because you're using"
1612 echo "/usr/ucb/cc, when you should use the C compiler from"
1613 echo "$could_use. You should change your"
1614 echo "PATH or CC variable and rerun configure."
1615 fi
1616 fi
1617 ;;
1618esac
1619
1620# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1621# binutils tools will find libbfd.so.
b9459e83
NN		 1622case "${enable_shared}" in
1623 no | "") SET_LIB_PATH= ;;
1624 *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1625esac
8607b6c9
NN		 1626
1627case "${host}" in
1628 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1629 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1630esac
8607b6c9 1631
3866be5d
NN		 1632# Record target_configdirs and the configure arguments for target and
1633# build configuration in Makefile.
1634target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 1635build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 1636
930314a4
NN		 1637# Determine whether gdb needs tk/tcl or not.
1638# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1639# and in that case we want gdb to be built without tk. Ugh!
1640# In fact I believe gdb is the *only* package directly dependent on tk,
1641# so we should be able to put the 'maybe's in unconditionally and
1642# leave out the maybe dependencies when enable_gdbtk is false. I'm not
1643# 100% sure that that's safe though.
c180f501 1644
675c6968 1645gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 1646case "$enable_gdbtk" in
1647 no)
1648 GDB_TK="" ;;
c180f501
AC		 1649 yes)
1650 GDB_TK="${gdb_tk}" ;;
930314a4 1651 *)
c180f501
AC		 1652 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1653 # distro. Eventually someone will fix this and move Insight, nee
1654 # gdbtk to a separate directory.
1655 if test -d ${srcdir}/gdb/gdbtk ; then
1656 GDB_TK="${gdb_tk}"
1657 else
1658 GDB_TK=""
1659 fi
1660 ;;
930314a4
NN		 1661esac
1662
6bd3dfaa 1663# Strip out unwanted targets.
dd12c3a8
NN		 1664
1665# While at that, we remove Makefiles if we were started for recursive
1666# configuration, so that the top-level Makefile reconfigures them,
1667# like we used to do when configure itself was recursive.
dd12c3a8 1668
6bd3dfaa
PB		 1669# Loop over modules. $extrasub must be used with care, limiting as
1670# much as possible the usage of range addresses. That's because autoconf
1671# splits the sed script to overcome limits in the number of commands,
1672# and relying on carefully-timed sed passes may turn out to be very hard
1673# to maintain later. In this particular case, you just have to be careful
1674# not to nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 1675
498d4a71 1676AC_ARG_ENABLE([bootstrap],
9cb3fa6f
PB		 1677[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
1678enable_bootstrap=default)
1679
1680# Issue errors and warnings for invalid/strange bootstrap combinations.
1681case "$configdirs" in
1682 *gcc*) have_compiler=yes ;;
1683 *) have_compiler=no ;;
1684esac
1685
1686case "$have_compiler:$host:$target:$enable_bootstrap" in
1687 *:*:*:no) ;;
1688
1689 # Default behavior. (We'll) enable bootstrap if we have a compiler
1690 # and we are in a native configuration.
1691 yes:$build:$build:default)
1692 # This will become 'yes'
1693 enable_bootstrap=no ;;
1694
1695 *:*:*:default)
1696 enable_bootstrap=no ;;
1697
1698 # We have a compiler and we are in a native configuration, bootstrap is ok
1699 yes:$build:$build:yes | yes:$build:$build:lean)
1700 ;;
1701
1702 # Other configurations, but we have a compiler. Assume the user knows
1703 # what he's doing.
1704 yes:*:*:yes | yes:*:*:lean)
1705 AC_MSG_WARN([trying to bootstrap a cross compiler])
1706 ;;
498d4a71 1707
9cb3fa6f
PB		 1708 # No compiler: if they passed --enable-bootstrap explicitly, fail
1709 no:*:*:yes | no:*:*:lean)
1710 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1711
1712 # Fail if wrong command line
1713 *)
1714 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1715 ;;
1716esac
1717
1718# Adjust the toplevel makefile according to whether bootstrap was selected.
498d4a71
CF		 1719case "$enable_bootstrap" in
1720 yes)
9cb3fa6f
PB		 1721 bootstrap_lean='#'
1722 default_target=bootstrap
1723 bootstrap_suffix=bootstrap ;;
1724 lean)
1725 bootstrap_lean=''
498d4a71
CF		 1726 default_target=bootstrap
1727 bootstrap_suffix=bootstrap ;;
1728 no)
1729 default_target=all
1730 bootstrap_suffix=no-bootstrap ;;
1731esac
9cb3fa6f 1732AC_SUBST(bootstrap_lean)
498d4a71
CF		 1733AC_SUBST(default_target)
1734
6a9cf61e 1735for module in ${build_configdirs} ; do
dd12c3a8
NN		 1736 if test -z "${no_recursion}" \
1737 && test -f ${build_subdir}/${module}/Makefile; then
1738 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1739 rm -f ${build_subdir}/${module}/Makefile
1740 fi
6bd3dfaa
PB		 1741 extrasub="$extrasub
1742/^@if build-$module\$/d
498d4a71
CF		 1743/^@endif build-$module\$/d
1744/^@if build-$module-$bootstrap_suffix\$/d
1745/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1746done
1747for module in ${configdirs} ; do
1748 if test -z "${no_recursion}" \
1749 && test -f ${module}/Makefile; then
1750 echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1751 rm -f ${module}/Makefile
1752 fi
6bd3dfaa
PB		 1753 extrasub="$extrasub
1754/^@if $module\$/d
498d4a71
CF		 1755/^@endif $module\$/d
1756/^@if $module-$bootstrap_suffix\$/d
1757/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8
NN		 1758done
1759for module in ${target_configdirs} ; do
1760 if test -z "${no_recursion}" \
1761 && test -f ${target_subdir}/${module}/Makefile; then
1762 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1763 rm -f ${target_subdir}/${module}/Makefile
1764 fi
6bd3dfaa
PB		 1765 extrasub="$extrasub
1766/^@if target-$module\$/d
498d4a71
CF		 1767/^@endif target-$module\$/d
1768/^@if target-$module-$bootstrap_suffix\$/d
1769/^@endif target-$module-$bootstrap_suffix\$/d"
930314a4 1770done
319cab08 1771
6bd3dfaa
PB		 1772extrasub="$extrasub
1773/^@if /,/^@endif /d"
930314a4 1774
a2cc058a
NN		 1775# Create the serialization dependencies. This uses a temporary file.
1776
e6bfb94a 1777AC_ARG_ENABLE([serial-configure],
1047cb91
DD		 1778[ --enable-serial-[{host,target,build}-]configure
1779 Force sequential configuration of
e6bfb94a 1780 sub-packages for the host, target or build
1047cb91
DD		 1781 machine, or all sub-packages])
1782
1783case ${enable_serial_configure} in
1784 yes)
1785 enable_serial_build_configure=yes
1786 enable_serial_host_configure=yes
1787 enable_serial_target_configure=yes
1788 ;;
1789esac
e6bfb94a 1790
a2cc058a
NN		 1791# These force 'configure's to be done one at a time, to avoid problems
1792# with contention over a shared config.cache.
1793rm -f serdep.tmp
e6bfb94a 1794echo '# serdep.tmp' > serdep.tmp
a2cc058a 1795olditem=
1047cb91 1796test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 1797for item in ${build_configdirs} ; do
1798 case ${olditem} in
1799 "") ;;
e6bfb94a 1800 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1801 esac
1802 olditem=${item}
1803done
1804olditem=
1047cb91 1805test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 1806for item in ${configdirs} ; do
1807 case ${olditem} in
1808 "") ;;
e6bfb94a 1809 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1810 esac
1811 olditem=${item}
1812done
1813olditem=
1047cb91 1814test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 1815for item in ${target_configdirs} ; do
1816 case ${olditem} in
1817 "") ;;
e6bfb94a 1818 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 1819 esac
1820 olditem=${item}
1821done
a0da8069
NN		 1822serialization_dependencies=serdep.tmp
1823AC_SUBST_FILE(serialization_dependencies)
a2cc058a 1824
e6bfb94a
AO		 1825# Base args. Strip norecursion, cache-file, srcdir, host, build,
1826# target and nonopt. These are the ones we might not want to pass
f27d4f92
DJ		 1827# down to subconfigures. Also strip program-prefix, program-suffix,
1828# and program-transform-name, so that we can pass down a consistent
1829# program-transform-name. If autoconf has put single quotes around
1830# any of these arguments (because they contain shell metacharacters)
1831# then this will fail; in practice this only happens for
1832# --program-transform-name, so be sure to override --program-transform-name
1833# at the end of the argument list.
1834# These will be expanded by make, so quote '$'.
d2cc0e0d 1835cat <<\EOF_SED > conftestsed
54752a6b
NN		 1836s/ --no[[^ ]]*/ /g
1837s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1838s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1839s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1840s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1841s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1842s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1843s/ -cache-file[[= ]][[^ ]]*//g
1844s/ -srcdir[[= ]][[^ ]]*//g
1845s/ -host[[= ]][[^ ]]*//g
1846s/ -build[[= ]][[^ ]]*//g
1847s/ -target[[= ]][[^ ]]*//g
1848s/ -program-prefix[[= ]][[^ ]]*//g
1849s/ -program-suffix[[= ]][[^ ]]*//g
1850s/ -program-transform-name[[= ]][[^ ]]*//g
d2cc0e0d
GK		 1851s/ [[^' -][^ ]*] / /
1852s/^ *//;s/ *$//
8ff944f6
DJ		 1853s,\$,$$,g
1854EOF_SED
1855sed -f conftestsed <<EOF_SED > conftestsed.out
1856 ${ac_configure_args}
d2cc0e0d 1857EOF_SED
8ff944f6
DJ		 1858baseargs=`cat conftestsed.out`
1859rm -f conftestsed conftestsed.out
252b5132 1860
f27d4f92
DJ		 1861# Add in --program-transform-name, after --program-prefix and
1862# --program-suffix have been applied to it. Autoconf has already
1863# doubled dollar signs and backslashes in program_transform_name; we want
1864# the backslashes un-doubled, and then the entire thing wrapped in single
1865# quotes, because this will be expanded first by make and then by the shell.
1866# Also, because we want to override the logic in subdir configure scripts to
1867# choose program_transform_name, replace any s,x,x, with s,y,y,.
1868sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1869${program_transform_name}
1870EOF_SED
1871gcc_transform_name=`cat conftestsed.out`
1872rm -f conftestsed.out
1873baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1874
49b7683b
DD		 1875# For the build-side libraries, we just need to pretend we're native,
1876# and not use the same cache file. Multilibs are neither needed nor
1877# desired.
a0da8069 1878build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
91e060aa 1879
ae831be5
NN		 1880# For host modules, accept cache file option, or specification as blank.
1881case "${cache_file}" in
1882"") # empty
1883 cache_file_option="" ;;
a0da8069 1884/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 1885 cache_file_option="--cache-file=${cache_file}" ;;
1886*) # relative path
1887 cache_file_option="--cache-file=../${cache_file}" ;;
1888esac
1889
82252c06
NN		 1890# Host dirs don't like to share a cache file either, horribly enough.
1891# This seems to be due to autoconf 2.5x stupidity.
bb5dca17 1892host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
ae831be5 1893
a0da8069 1894target_configargs=${baseargs}
49b7683b 1895
252b5132
RH		 1896# Passing a --with-cross-host argument lets the target libraries know
1897# whether they are being built with a cross-compiler or being built
1898# native. However, it would be better to use other mechanisms to make the
1899# sorts of decisions they want to make on this basis. Please consider
1900# this option to be deprecated. FIXME.
a0c4f3a0 1901if test x${is_cross_compiler} = xyes ; then
a0da8069 1902 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
252b5132
RH		 1903fi
1904
1905# Default to --enable-multilib.
a0c4f3a0 1906if test x${enable_multilib} = x ; then
a0da8069 1907 target_configargs="--enable-multilib ${target_configargs}"
252b5132
RH		 1908fi
1909
1910# Pass --with-newlib if appropriate. Note that target_configdirs has
1911# changed from the earlier setting of with_newlib.
a0c4f3a0 1912if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 1913 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 1914fi
1915
95036d20
NN		 1916# Different target subdirs use different values of certain variables
1917# (notably CXX). Worse, multilibs use *lots* of different values.
1918# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1919# it doesn't automatically accept command-line overrides of them.
1920# This means it's not safe for target subdirs to share a cache file,
1921# which is disgusting, but there you have it. Hopefully this can be
1922# fixed in future. It's still worthwhile to use a cache file for each
1923# directory. I think.
1924
49b7683b 1925# Pass the appropriate --host, --build, and --cache-file arguments.
bb5dca17 1926target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
49b7683b 1927
252b5132
RH		 1928# provide a proper gxx_include_dir.
1929# Note, if you change the default, make sure to fix both here and in
75205f78 1930# the gcc and libstdc++-v3 subdirectories.
252b5132 1931# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
3db0a37f
NN		 1932case "${with_gxx_include_dir}" in
1933 yes)
1934 AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1935 ;;
1936 no | "")
1937 case "${enable_version_specific_runtime_libs}" in
1938 yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1939 *)
1940 . ${srcdir}/config.if
1941 gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1942 esac ;;
1943 *) gxx_include_dir=${with_gxx_include_dir} ;;
1944esac
252b5132 1945
9e449d3e 1946FLAGS_FOR_TARGET=
7c1f909c 1947case " $target_configdirs " in
75205f78 1948 *" newlib "*)
a0da8069 1949 case " $target_configargs " in
75205f78 1950 *" --with-newlib "*)
9e449d3e 1951 case "$target" in
63266560 1952 *-cygwin*)
564b43e5 1953 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 $$s/winsup/w32api/include' ;;
9e449d3e
AO		 1954 esac
1955
7450026c 1956 # If we're not building GCC, don't discard standard headers.
4d5fd396 1957 if test -d ${srcdir}/gcc; then
63266560 1958 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 1959
1960 if test "${build}" != "${host}"; then
1961 # On Canadian crosses, CC_FOR_TARGET will have already been set
1962 # by `configure', so we won't have an opportunity to add -Bgcc/
1963 # to it. This is right: we don't want to search that directory
1964 # for binaries, but we want the header files in there, so add
1965 # them explicitly.
1966 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1967
1968 # Someone might think of using the pre-installed headers on
1969 # Canadian crosses, in case the installed compiler is not fully
1970 # compatible with the compiler being built. In this case, it
1971 # would be better to flag an error than risking having
1972 # incompatible object files being constructed. We can't
1973 # guarantee that an error will be flagged, but let's hope the
1974 # compiler will do it, when presented with incompatible header
1975 # files.
1976 fi
63266560
DD		 1977 fi
1978
0a0d0041 1979 case "${target}-${is_cross_compiler}" in
ec11bdc6 1980 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 1981 # Here host == target, so we don't need to build gcc,
1982 # so we don't want to discard standard headers.
1983 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 1984 ;;
1985 *)
1986 # If we're building newlib, use its generic headers last, but search
1987 # for any libc-related directories first (so make it the last -B
1988 # switch).
1989 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1990 ;;
1991 esac
9e449d3e 1992 ;;
75205f78
DD		 1993 esac
1994 ;;
9e449d3e 1995esac
63266560 1996
5fbad20a
DD		 1997# Allow the user to override the flags for
1998# our build compiler if desired.
1999CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2000
63266560
DD		 2001# On Canadian crosses, we'll be searching the right directories for
2002# the previously-installed cross compiler, so don't bother to add
2003# flags for directories within the install tree of the compiler
2004# being built; programs in there won't even run.
4d5fd396 2005if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2006 # Search for pre-installed headers if nothing else fits.
bba45b8b 2007 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2008fi
63266560 2009
7c1f909c 2010if test "x${use_gnu_ld}" = x &&
f48556b1 2011 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e
AO		 2012 # Arrange for us to find uninstalled linker scripts.
2013 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2014fi
2015
63266560
DD		 2016if test "x${CC_FOR_TARGET+set}" = xset; then
2017 :
4d5fd396 2018elif test -d ${srcdir}/gcc; then
98fbe43f 2019 CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
9e449d3e
AO		 2020elif test "$host" = "$target"; then
2021 CC_FOR_TARGET='$(CC)'
2022else
e78b5cfe 2023 CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
9e449d3e 2024fi
a0da8069 2025CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
9e449d3e 2026
75205f78
DD		 2027if test "x${GCJ_FOR_TARGET+set}" = xset; then
2028 :
4d5fd396 2029elif test -d ${srcdir}/gcc; then
75205f78
DD		 2030 GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2031elif test "$host" = "$target"; then
2032 GCJ_FOR_TARGET='gcj'
2033else
e78b5cfe 2034 GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
75205f78 2035fi
a0da8069 2036GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
75205f78 2037
4b1cb4fe
DD		 2038if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2039 :
2040elif test -d ${srcdir}/gcc; then
2041 GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2042elif test "$host" = "$target"; then
2043 GFORTRAN_FOR_TARGET='gfortran'
2044else
88f64edc 2045 GFORTRAN_FOR_TARGET=`echo gfortran | sed "${program_transform_name}"`
4b1cb4fe
DD		 2046fi
2047case $GFORTRAN_FOR_TARGET in
2048*' $(FLAGS_FOR_TARGET)') ;;
2049*) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2050esac
2051
8ee424c0 2052# Don't use libstdc++-v3's flags to configure/build itself.
56f25033 2053libstdcxx_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 2054raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
8ee424c0 2055
63266560 2056if test "x${CXX_FOR_TARGET+set}" = xset; then
75addda2
DJ		 2057 if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2058 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2059 fi
4d5fd396 2060elif test -d ${srcdir}/gcc; then
2e8357fc
AO		 2061 # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2062 # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2063 # default whereas gcc does not.
930314a4
NN		 2064 # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2065 # all other cases.
2066 CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2067 RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
9e449d3e
AO		 2068elif test "$host" = "$target"; then
2069 CXX_FOR_TARGET='$(CXX)'
930314a4 2070 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
9e449d3e 2071else
e78b5cfe 2072 CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
930314a4 2073 RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
9e449d3e 2074fi
a0da8069
NN		 2075CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2076RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
930314a4 2077
a0da8069
NN		 2078qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2079qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
dec0cb0c
AO		 2080
2081# We want to defer the evaluation of `cmd`s and shell variables in
2082# CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2083# bootstrap. We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2084# quotes, but we still have to duplicate `$'s so that shell variables
2085# can be expanded by the nested make as shell variables, not as make
2086# macros.
a0da8069
NN		 2087qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2088qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2089
2090# Wrap CC_FOR_TARGET and friends, for certain types of builds.
2091CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2092GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
4b1cb4fe 2093GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
a0da8069
NN		 2094CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2095RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2096CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2097RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2098
2099# Makefile fragments.
3e707e94
PB		 2100for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2101do
2102 eval fragval=\$$frag
2103 if test $fragval != /dev/null; then
2104 eval $frag=${srcdir}/$fragval
2105 fi
2106done
a0da8069
NN		 2107AC_SUBST_FILE(host_makefile_frag)
2108AC_SUBST_FILE(target_makefile_frag)
2109AC_SUBST_FILE(alphaieee_frag)
2110AC_SUBST_FILE(ospace_frag)
2111
2112# Miscellanea: directories, flags, etc.
2113AC_SUBST(SET_LIB_PATH)
2114AC_SUBST(RPATH_ENVVAR)
2115AC_SUBST(BUILD_PREFIX)
2116AC_SUBST(BUILD_PREFIX_1)
a0da8069
NN		 2117AC_SUBST(gcc_version_trigger)
2118AC_SUBST(gcc_version)
2119AC_SUBST(tooldir)
2120AC_SUBST(build_tooldir)
2121AC_SUBST(GDB_TK)
2122AC_SUBST(gxx_include_dir)
2123AC_SUBST(libstdcxx_incdir)
2124
2125# Build module lists & subconfigure args.
a0da8069 2126AC_SUBST(build_configargs)
6a9cf61e 2127AC_SUBST(build_configdirs)
a0da8069
NN		 2128
2129# Host module lists & subconfigure args.
2130AC_SUBST(host_configargs)
2131AC_SUBST(configdirs)
a0da8069
NN		 2132
2133# Target module lists & subconfigure args.
a0da8069
NN		 2134AC_SUBST(target_configargs)
2135AC_SUBST(target_configdirs)
a0da8069
NN		 2136
2137# Build tools.
a0da8069 2138AC_SUBST(CC_FOR_BUILD)
a0da8069
NN		 2139AC_SUBST(config_shell)
2140
2141# Host tools.
d18f1c9f
NN		 2142NCN_STRICT_CHECK_TOOL(AR, ar)
2143NCN_STRICT_CHECK_TOOL(AS, as)
2144NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2145NCN_STRICT_CHECK_TOOL(LD, ld)
2146NCN_STRICT_CHECK_TOOL(NM, nm)
2147NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2148NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2149NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2150NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
a0da8069
NN		 2151AC_SUBST(CC)
2152AC_SUBST(CXX)
2153AC_SUBST(CFLAGS)
5fbad20a 2154AC_SUBST(CFLAGS_FOR_BUILD)
a0da8069 2155AC_SUBST(CXXFLAGS)
a0da8069
NN		 2156
2157# Target tools.
54752a6b
NN		 2158NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2159NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2160NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2161NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2162NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2163NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2164NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
a0da8069
NN		 2165
2166AC_SUBST(GCC_FOR_TARGET)
2167AC_SUBST(FLAGS_FOR_TARGET)
2168AC_SUBST(CC_FOR_TARGET)
2169AC_SUBST(GCJ_FOR_TARGET)
4b1cb4fe 2170AC_SUBST(GFORTRAN_FOR_TARGET)
a0da8069
NN		 2171AC_SUBST(CXX_FOR_TARGET)
2172AC_SUBST(RAW_CXX_FOR_TARGET)
2173AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2174AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2175
2176# Fix up target tools.
2177if test "x${build}" = "x${host}" ; then
2178 # In this case, the newly built tools can and should be used,
2179 # so we override the results of the autoconf tests.
2180 # This should really only happen when the tools are actually being built,
2181 # but that's a further refinement. The new build scheme, where
2182 # tools are built into a structure paralleling where they're installed,
2183 # should also eliminate all of this cleanly.
2184 AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2185 AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2186 DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2187 LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2188 NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2189 RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2190 WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
54752a6b
NN		 2191else
2192 # Just use the ones we found.
2193 AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2194 AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2195 DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2196 LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2197 NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2198 RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2199 WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
a0da8069 2200fi
54752a6b
NN		 2201AC_SUBST(AR_FOR_TARGET)
2202AC_SUBST(AS_FOR_TARGET)
2203AC_SUBST(DLLTOOL_FOR_TARGET)
2204AC_SUBST(LD_FOR_TARGET)
2205AC_SUBST(NM_FOR_TARGET)
2206AC_SUBST(RANLIB_FOR_TARGET)
2207AC_SUBST(WINDRES_FOR_TARGET)
2208
a0da8069
NN		 2209# Certain tools may need extra flags.
2210AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2211RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2212NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 2213
6b784d9f
AO		 2214AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2215AC_ARG_ENABLE(maintainer-mode,
2216[ --enable-maintainer-mode enable make rules and dependencies not useful
2217 (and sometimes confusing) to the casual installer],
2218 USE_MAINTAINER_MODE=$enableval,
2219 USE_MAINTAINER_MODE=no)
2220AC_MSG_RESULT($USE_MAINTAINER_MODE)
2221AC_SUBST(MAINTAINER_MODE_TRUE)
2222AC_SUBST(MAINTAINER_MODE_FALSE)
2223if test "$USE_MAINTAINER_MODE" = yes; then
2224 MAINTAINER_MODE_TRUE=
2225 MAINTAINER_MODE_FALSE='#'
2226else
2227 MAINTAINER_MODE_TRUE='#'
2228 MAINTAINER_MODE_FALSE=
2229fi
2230MAINT=$MAINTAINER_MODE_TRUE
2231AC_SUBST(MAINT)dnl
2232
1d39f329
NN		 2233# ---------------------
2234# GCC bootstrap support
2235# ---------------------
2236
2237# Stage specific cflags for build.
2238stage1_cflags="-g"
2239case $build in
2240 vax-*-*)
2241 case ${GCC} in
2242 yes) stage1_cflags="-g -Wa,-J" ;;
2243 *) stage1_cflags="-g -J" ;;
2244 esac ;;
2245 powerpc-*-darwin*)
2246 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2247 # sources; use -no-cpp-precomp to get to GNU cpp.
2248 # Apple's GCC has bugs in designated initializer handling, so disable
2249 # that too.
2250 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2251 ;;
2252esac
2253AC_SUBST(stage1_cflags)
2254
dfdffa2c 2255# It makes debugging easier if we create as symlinks the stage directories
9cb3fa6f 2256# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
dfdffa2c
PB		 2257# possible, however, we can resort to mv.
2258AC_CACHE_CHECK([if symbolic links between directories work],
2259[gcc_cv_prog_ln_s_dir],
2260[if test "${LN_S}" = "ln -s" \
2261 && mkdir confdir.s1 \
2262 && ln -s confdir.s1 confdir.s2 \
2263 && echo timestamp1 > confdir.s1/conftest.1 \
2264 && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \
2265 && echo timestamp2 > confdir.s2/conftest.2 \
2266 && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \
2267 && rm -f confdir.s2; then
2268 gcc_cv_prog_ln_s_dir=yes
2269else
2270 gcc_cv_prog_ln_s_dir=yes
2271fi
2272rm -rf confdir.s1 confdir.s2])
2273
2274case ${gcc_cv_prog_ln_s_dir} in
2275 yes)
2276 CREATE_LINK_TO_DIR='ln -s $$1 $$2'
2277 UNDO_LINK_TO_DIR='rm -f $$1' ;;
2278 *)
2279 CREATE_LINK_TO_DIR='mv $$1 $$2'
2280 UNDO_LINK_TO_DIR='mv $$1 $$2' ;;
2281esac
2282AC_SUBST(CREATE_LINK_TO_DIR)
2283AC_SUBST(UNDO_LINK_TO_DIR)
2284
1d39f329
NN		 2285# Enable -Werror in bootstrap stage2 and later.
2286# Change the default to "no" on release branches.
2287AC_ARG_ENABLE(werror,
2288[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2289[enable_werror=yes])
1a6f2dc7
NN		 2290case ${enable_werror} in
2291 yes) stage2_werror_flag="--enable-werror-always" ;;
2292 *) stage2_werror_flag="" ;;
1d39f329 2293esac
1a6f2dc7 2294AC_SUBST(stage2_werror_flag)
1d39f329 2295
a0da8069 2296AC_OUTPUT(Makefile)
GDB Binutils - Deliverables
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