configure.ac revision 1.6
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# libgcj represents the runtime libraries only used by gcj. 146libgcj="target-libffi \ 147 target-zlib \ 148 target-libjava" 149 150# these libraries are built for the target environment, and are built after 151# the host libraries and the host tools (which may be a cross compiler) 152# Note that libiberty is not a target library. 153target_libraries="target-libgcc \ 154 target-libbacktrace \ 155 target-libgloss \ 156 target-newlib \ 157 target-libgomp \ 158 target-libcilkrts \ 159 target-liboffloadmic \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libmpx \ 166 target-libssp \ 167 target-libquadmath \ 168 target-libgfortran \ 169 target-boehm-gc \ 170 ${libgcj} \ 171 target-libobjc \ 172 target-libada \ 173 target-libgo" 174 175# these tools are built using the target libraries, and are intended to 176# run only in the target environment 177# 178# note: any program that *uses* libraries that are in the "target_libraries" 179# list belongs in this list. 180# 181target_tools="target-rda" 182 183################################################################################ 184 185## All tools belong in one of the four categories, and are assigned above 186## We assign ${configdirs} this way to remove all embedded newlines. This 187## is important because configure will choke if they ever get through. 188## ${configdirs} is directories we build using the host tools. 189## ${target_configdirs} is directories we build using the target tools. 190configdirs=`echo ${host_libs} ${host_tools}` 191target_configdirs=`echo ${target_libraries} ${target_tools}` 192build_configdirs=`echo ${build_libs} ${build_tools}` 193 194m4_divert_text([PARSE_ARGS], 195[case $srcdir in 196 *" "*) 197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 198 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 199m4_popdef([AS_MESSAGE_LOG_FD])dnl 200 ;; 201esac 202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 203]) 204 205################################################################################ 206 207srcname="gnu development package" 208 209# This gets set non-empty for some net releases of packages. 210appdirs="" 211 212# Define is_cross_compiler to save on calls to 'test'. 213is_cross_compiler= 214if test x"${host}" = x"${target}" ; then 215 is_cross_compiler=no 216else 217 is_cross_compiler=yes 218fi 219 220# Find the build and target subdir names. 221GCC_TOPLEV_SUBDIRS 222# Be sure to cover against remnants of an in-tree build. 223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 225Use a pristine source tree when building in a separate tree]) 226fi 227 228# Skipdirs are removed silently. 229skipdirs= 230# Noconfigdirs are removed loudly. 231noconfigdirs="" 232 233use_gnu_ld= 234# Make sure we don't let GNU ld be added if we didn't want it. 235if test x$with_gnu_ld = xno ; then 236 use_gnu_ld=no 237 noconfigdirs="$noconfigdirs ld gold" 238fi 239 240use_gnu_as= 241# Make sure we don't let GNU as be added if we didn't want it. 242if test x$with_gnu_as = xno ; then 243 use_gnu_as=no 244 noconfigdirs="$noconfigdirs gas" 245fi 246 247use_included_zlib= 248# Make sure we don't let ZLIB be added if we didn't want it. 249if test x$with_system_zlib = xyes ; then 250 use_included_zlib=no 251 noconfigdirs="$noconfigdirs zlib" 252fi 253 254# some tools are so dependent upon X11 that if we're not building with X, 255# it's not even worth trying to configure, much less build, that tool. 256 257case ${with_x} in 258 yes | "") ;; # the default value for this tree is that X11 is available 259 no) 260 skipdirs="${skipdirs} tk itcl libgui" 261 # We won't be able to build gdbtk without X. 262 enable_gdbtk=no 263 ;; 264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 265esac 266 267# Some are only suitable for cross toolchains. 268# Remove these if host=target. 269cross_only="target-libgloss target-newlib target-opcodes" 270 271case $is_cross_compiler in 272 no) skipdirs="${skipdirs} ${cross_only}" ;; 273esac 274 275# If both --with-headers and --with-libs are specified, default to 276# --without-newlib. 277if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 279 if test x"${with_newlib}" = x ; then 280 with_newlib=no 281 fi 282fi 283 284# Recognize --with-newlib/--without-newlib. 285case ${with_newlib} in 286 no) skipdirs="${skipdirs} target-newlib" ;; 287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 288esac 289 290AC_ARG_ENABLE(as-accelerator-for, 291[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 292 [build as offload target compiler. 293 Specify offload host triple by ARG])]) 294 295AC_ARG_ENABLE(offload-targets, 296[AS_HELP_STRING([--enable-offload-targets=LIST], 297 [enable offloading to devices from comma-separated LIST of 298 TARGET[=DIR]. Use optional path to find offload target compiler 299 during the build])], 300[ 301 if test x"$enable_offload_targets" = x; then 302 AC_MSG_ERROR([no offload targets specified]) 303 fi 304], [enable_offload_targets=]) 305 306# Handle --enable-gold, --enable-ld. 307# --disable-gold [--enable-ld] 308# Build only ld. Default option. 309# --enable-gold [--enable-ld] 310# Build both gold and ld. Install gold as "ld.gold", install ld 311# as "ld.bfd" and "ld". 312# --enable-gold=default [--enable-ld] 313# Build both gold and ld. Install gold as "ld.gold" and "ld", 314# install ld as "ld.bfd". 315# --enable-gold[=default] --disable-ld 316# Build only gold, which is then installed as both "ld.gold" and "ld". 317# --enable-gold --enable-ld=default 318# Build both gold (installed as "ld.gold") and ld (installed as "ld" 319# and ld.bfd). 320# In other words, ld is default 321# --enable-gold=default --enable-ld=default 322# Error. 323 324default_ld= 325AC_ARG_ENABLE(gold, 326[AS_HELP_STRING([[--enable-gold[=ARG]]], 327 [build gold @<:@ARG={default,yes,no}@:>@])], 328ENABLE_GOLD=$enableval, 329ENABLE_GOLD=no) 330case "${ENABLE_GOLD}" in 331 yes|default) 332 # Check for ELF target. 333 is_elf=no 334 case "${target}" in 335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 338 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 339 case "${target}" in 340 *-*-linux*aout* | *-*-linux*oldld*) 341 ;; 342 *) 343 is_elf=yes 344 ;; 345 esac 346 esac 347 348 if test "$is_elf" = "yes"; then 349 # Check for target supported by gold. 350 case "${target}" in 351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 352 | aarch64*-*-* | tilegx*-*-*) 353 configdirs="$configdirs gold" 354 if test x${ENABLE_GOLD} = xdefault; then 355 default_ld=gold 356 fi 357 ENABLE_GOLD=yes 358 ;; 359 esac 360 fi 361 ;; 362 no) 363 ;; 364 *) 365 AC_MSG_ERROR([invalid --enable-gold argument]) 366 ;; 367esac 368 369AC_ARG_ENABLE(ld, 370[AS_HELP_STRING([[--enable-ld[=ARG]]], 371 [build ld @<:@ARG={default,yes,no}@:>@])], 372ENABLE_LD=$enableval, 373ENABLE_LD=yes) 374 375case "${ENABLE_LD}" in 376 default) 377 if test x${default_ld} != x; then 378 AC_MSG_ERROR([either gold or ld can be the default ld]) 379 fi 380 ;; 381 yes) 382 ;; 383 no) 384 if test x${ENABLE_GOLD} != xyes; then 385 AC_MSG_WARN([neither ld nor gold are enabled]) 386 fi 387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 388 ;; 389 *) 390 AC_MSG_ERROR([invalid --enable-ld argument]) 391 ;; 392esac 393 394# Configure extra directories which are host specific 395 396case "${host}" in 397 *-cygwin*) 398 configdirs="$configdirs libtermcap" ;; 399esac 400 401# A target can indicate whether a language isn't supported for some reason. 402# Only spaces may be used in this macro; not newlines or tabs. 403unsupported_languages= 404 405# Remove more programs from consideration, based on the host or 406# target this usually means that a port of the program doesn't 407# exist yet. 408 409case "${host}" in 410 i[[3456789]]86-*-msdosdjgpp*) 411 noconfigdirs="$noconfigdirs tcl tk itcl" 412 ;; 413esac 414 415 416AC_ARG_ENABLE(libquadmath, 417AS_HELP_STRING([--disable-libquadmath], 418 [do not build libquadmath directory]), 419ENABLE_LIBQUADMATH=$enableval, 420ENABLE_LIBQUADMATH=yes) 421if test "${ENABLE_LIBQUADMATH}" = "no" ; then 422 noconfigdirs="$noconfigdirs target-libquadmath" 423fi 424 425 426AC_ARG_ENABLE(libquadmath-support, 427AS_HELP_STRING([--disable-libquadmath-support], 428 [disable libquadmath support for Fortran]), 429ENABLE_LIBQUADMATH_SUPPORT=$enableval, 430ENABLE_LIBQUADMATH_SUPPORT=yes) 431enable_libquadmath_support= 432if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 433 enable_libquadmath_support=no 434fi 435 436 437AC_ARG_ENABLE(libada, 438[AS_HELP_STRING([--enable-libada], [build libada directory])], 439ENABLE_LIBADA=$enableval, 440ENABLE_LIBADA=yes) 441if test "${ENABLE_LIBADA}" != "yes" ; then 442 noconfigdirs="$noconfigdirs gnattools" 443fi 444 445AC_ARG_ENABLE(libssp, 446[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 447ENABLE_LIBSSP=$enableval, 448ENABLE_LIBSSP=yes) 449 450AC_ARG_ENABLE(libstdcxx, 451AS_HELP_STRING([--disable-libstdcxx], 452 [do not build libstdc++-v3 directory]), 453ENABLE_LIBSTDCXX=$enableval, 454ENABLE_LIBSTDCXX=default) 455[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 456 noconfigdirs="$noconfigdirs target-libstdc++-v3" 457fi] 458 459# If this is accelerator compiler and its target is intelmic we enable 460# target liboffloadmic by default. If this is compiler with offloading 461# for intelmic we enable host liboffloadmic by default. Otherwise 462# liboffloadmic is disabled by default. 463AC_ARG_ENABLE([liboffloadmic], 464AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 465 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 466[case "$enableval" in 467 no | host | target) 468 enable_liboffloadmic=$enableval ;; 469 *) 470 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 471esac], 472[if test x"$enable_as_accelerator_for" != x; then 473 case "${target}" in 474 *-intelmic-* | *-intelmicemul-*) 475 enable_liboffloadmic=target 476 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 477 ;; 478 *) 479 enable_liboffloadmic=no 480 ;; 481 esac 482else 483 case "${enable_offload_targets}" in 484 *-intelmic-* | *-intelmicemul-*) 485 enable_liboffloadmic=host 486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 487 ;; 488 *) 489 enable_liboffloadmic=no 490 ;; 491 esac 492fi]) 493AC_SUBST(extra_liboffloadmic_configure_flags) 494 495# Save it here so that, even in case of --enable-libgcj, if the Java 496# front-end isn't enabled, we still get libgcj disabled. 497libgcj_saved=$libgcj 498case $enable_libgcj in 499yes) 500 # If we reset it here, it won't get added to noconfigdirs in the 501 # target-specific build rules, so it will be forcibly enabled 502 # (unless the Java language itself isn't enabled). 503 libgcj= 504 ;; 505no) 506 # Make sure we get it printed in the list of not supported target libs. 507 # Don't disable libffi, though, other languages use it. 508 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 509 # Clear libgcj_saved so that even if java is enabled libffi won't be 510 # built. 511 libgcj_saved= 512 ;; 513esac 514 515AC_ARG_ENABLE(static-libjava, 516[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 517 [build static libjava @<:@default=no@:>@])], 518ENABLE_STATIC_LIBJAVA=$enableval, 519ENABLE_STATIC_LIBJAVA=no) 520enable_static_libjava= 521if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 522 enable_static_libjava=yes 523fi 524 525if test x$enable_static_libjava != xyes ; then 526 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 527fi 528AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 529 530# Disable libgomp on non POSIX hosted systems. 531if test x$enable_libgomp = x ; then 532 # Enable libgomp by default on hosted POSIX systems. 533 case "${target}" in 534 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 535 ;; 536 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 537 ;; 538 *-*-solaris2* | *-*-hpux11*) 539 ;; 540 *-*-darwin* | *-*-aix*) 541 ;; 542 *) 543 noconfigdirs="$noconfigdirs target-libgomp" 544 ;; 545 esac 546fi 547 548# Disable libatomic on unsupported systems. 549if test -d ${srcdir}/libatomic; then 550 if test x$enable_libatomic = x; then 551 AC_MSG_CHECKING([for libatomic support]) 552 if (srcdir=${srcdir}/libatomic; \ 553 . ${srcdir}/configure.tgt; \ 554 test -n "$UNSUPPORTED") 555 then 556 AC_MSG_RESULT([no]) 557 noconfigdirs="$noconfigdirs target-libatomic" 558 else 559 AC_MSG_RESULT([yes]) 560 fi 561 fi 562fi 563 564# Disable libcilkrts on unsupported systems. 565if test -d ${srcdir}/libcilkrts; then 566 if test x$enable_libcilkrts = x; then 567 AC_MSG_CHECKING([for libcilkrts support]) 568 if (srcdir=${srcdir}/libcilkrts; \ 569 . ${srcdir}/configure.tgt; \ 570 test -n "$UNSUPPORTED") 571 then 572 AC_MSG_RESULT([no]) 573 noconfigdirs="$noconfigdirs target-libcilkrts" 574 else 575 AC_MSG_RESULT([yes]) 576 fi 577 fi 578fi 579 580# Disable liboffloadmic on unsupported systems. 581if test -d ${srcdir}/liboffloadmic; then 582 if test x$enable_liboffloadmic != xno; then 583 AC_MSG_CHECKING([for liboffloadmic support]) 584 if (srcdir=${srcdir}/liboffloadmic; \ 585 . ${srcdir}/configure.tgt; \ 586 test -n "$UNSUPPORTED") 587 then 588 AC_MSG_RESULT([no]) 589 noconfigdirs="$noconfigdirs target-liboffloadmic" 590 else 591 AC_MSG_RESULT([yes]) 592 fi 593 fi 594fi 595 596# Disable libitm on unsupported systems. 597if test -d ${srcdir}/libitm; then 598 if test x$enable_libitm = x; then 599 AC_MSG_CHECKING([for libitm support]) 600 if (srcdir=${srcdir}/libitm; \ 601 . ${srcdir}/configure.tgt; \ 602 test -n "$UNSUPPORTED") 603 then 604 AC_MSG_RESULT([no]) 605 noconfigdirs="$noconfigdirs target-libitm" 606 else 607 AC_MSG_RESULT([yes]) 608 fi 609 fi 610fi 611 612# Disable libsanitizer on unsupported systems. 613if test -d ${srcdir}/libsanitizer; then 614 if test x$enable_libsanitizer = x; then 615 AC_MSG_CHECKING([for libsanitizer support]) 616 if (srcdir=${srcdir}/libsanitizer; \ 617 . ${srcdir}/configure.tgt; \ 618 test -n "$UNSUPPORTED") 619 then 620 AC_MSG_RESULT([no]) 621 noconfigdirs="$noconfigdirs target-libsanitizer" 622 else 623 AC_MSG_RESULT([yes]) 624 fi 625 fi 626fi 627 628# Disable libvtv on unsupported systems. 629if test -d ${srcdir}/libvtv; then 630 if test x$enable_libvtv = x; then 631 AC_MSG_CHECKING([for libvtv support]) 632 if (srcdir=${srcdir}/libvtv; \ 633 . ${srcdir}/configure.tgt; \ 634 test "$VTV_SUPPORTED" != "yes") 635 then 636 AC_MSG_RESULT([no]) 637 noconfigdirs="$noconfigdirs target-libvtv" 638 else 639 AC_MSG_RESULT([yes]) 640 fi 641 fi 642fi 643 644 645# Enable libmpx on supported systems by request. 646if test -d ${srcdir}/libmpx; then 647 if test x$enable_libmpx = xyes; then 648 AC_MSG_CHECKING([for libmpx support]) 649 if (srcdir=${srcdir}/libmpx; \ 650 . ${srcdir}/configure.tgt; \ 651 test "$LIBMPX_SUPPORTED" != "yes") 652 then 653 AC_MSG_RESULT([no]) 654 noconfigdirs="$noconfigdirs target-libmpx" 655 else 656 AC_MSG_RESULT([yes]) 657 fi 658 else 659 noconfigdirs="$noconfigdirs target-libmpx" 660 fi 661fi 662 663 664 665# Disable libquadmath for some systems. 666case "${target}" in 667 avr-*-*) 668 noconfigdirs="$noconfigdirs target-libquadmath" 669 ;; 670 # libquadmath is unused on AIX and libquadmath build process use of 671 # LD_LIBRARY_PATH can break AIX bootstrap. 672 powerpc-*-aix* | rs6000-*-aix*) 673 noconfigdirs="$noconfigdirs target-libquadmath" 674 ;; 675esac 676 677# Disable libssp for some systems. 678case "${target}" in 679 avr-*-*) 680 # No hosted I/O support. 681 noconfigdirs="$noconfigdirs target-libssp" 682 ;; 683 powerpc-*-aix* | rs6000-*-aix*) 684 noconfigdirs="$noconfigdirs target-libssp" 685 ;; 686 rl78-*-*) 687 # libssp uses a misaligned load to trigger a fault, but the RL78 688 # doesn't fault for those - instead, it gives a build-time error 689 # for explicit misaligned loads. 690 noconfigdirs="$noconfigdirs target-libssp" 691 ;; 692 visium-*-*) 693 # No hosted I/O support. 694 noconfigdirs="$noconfigdirs target-libssp" 695 ;; 696esac 697 698# Disable libstdc++-v3 for some systems. 699# Allow user to override this if they pass --enable-libstdc++-v3 700if test "${ENABLE_LIBSTDCXX}" = "default" ; then 701 case "${target}" in 702 *-*-vxworks*) 703 # VxWorks uses the Dinkumware C++ library. 704 noconfigdirs="$noconfigdirs target-libstdc++-v3" 705 ;; 706 arm*-wince-pe*) 707 # the C++ libraries don't build on top of CE's C libraries 708 noconfigdirs="$noconfigdirs target-libstdc++-v3" 709 ;; 710 avr-*-*) 711 noconfigdirs="$noconfigdirs target-libstdc++-v3" 712 ;; 713 esac 714fi 715 716# Disable Fortran for some systems. 717case "${target}" in 718 mmix-*-*) 719 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 720 unsupported_languages="$unsupported_languages fortran" 721 ;; 722esac 723 724# Disable Java if libffi is not supported. 725case "${target}" in 726 aarch64-*-*) 727 ;; 728 alpha*-*-*) 729 ;; 730 arm*-*-*) 731 ;; 732 cris-*-*) 733 ;; 734 frv-*-*) 735 ;; 736 hppa*-*-linux*) 737 ;; 738 hppa*-*-hpux*) 739 ;; 740 i?86-*-*) 741 ;; 742 ia64*-*-*) 743 ;; 744 m32r*-*-*) 745 ;; 746 m68k-*-*) 747 ;; 748 mips*-*-rtems*) 749 ;; 750 mips*-*-linux*) 751 ;; 752 powerpc*-*-linux*) 753 ;; 754 powerpc-*-darwin*) 755 ;; 756 powerpc-*-aix* | rs6000-*-aix*) 757 ;; 758 powerpc-*-freebsd*) 759 ;; 760 powerpc64-*-freebsd*) 761 ;; 762 powerpc*-*-rtems*) 763 ;; 764 s390-*-* | s390x-*-*) 765 ;; 766 sh-*-* | sh[[34]]*-*-*) 767 ;; 768 sh64-*-* | sh5*-*-*) 769 ;; 770 sparc*-*-*) 771 ;; 772 x86_64-*-*) 773 ;; 774 *-*-*) 775 unsupported_languages="$unsupported_languages java" 776 ;; 777esac 778 779# Disable Java, libgcj or related libraries for some systems. 780case "${target}" in 781 powerpc-*-darwin*) 782 ;; 783 i[[3456789]]86-*-darwin*) 784 ;; 785 x86_64-*-darwin[[912]]*) 786 ;; 787 *-*-darwin*) 788 noconfigdirs="$noconfigdirs ${libgcj}" 789 ;; 790 *-*-netware*) 791 noconfigdirs="$noconfigdirs ${libgcj}" 792 ;; 793 *-*-rtems*) 794 noconfigdirs="$noconfigdirs ${libgcj}" 795 ;; 796 *-*-tpf*) 797 noconfigdirs="$noconfigdirs ${libgcj}" 798 ;; 799 *-*-uclinux*) 800 noconfigdirs="$noconfigdirs ${libgcj}" 801 ;; 802 *-*-vxworks*) 803 noconfigdirs="$noconfigdirs ${libgcj}" 804 ;; 805 aarch64*-*-freebsd*) 806 noconfigdirs="$noconfigdirs ${libgcj}" 807 ;; 808 alpha*-*-*vms*) 809 noconfigdirs="$noconfigdirs ${libgcj}" 810 ;; 811 arm*-*-freebsd*) 812 noconfigdirs="$noconfigdirs ${libgcj}" 813 ;; 814 arm-wince-pe) 815 noconfigdirs="$noconfigdirs ${libgcj}" 816 ;; 817 arm*-*-symbianelf*) 818 noconfigdirs="$noconfigdirs ${libgcj}" 819 ;; 820 bfin-*-*) 821 noconfigdirs="$noconfigdirs target-boehm-gc" 822 ;; 823 cris-*-* | crisv32-*-*) 824 unsupported_languages="$unsupported_languages java" 825 case "${target}" in 826 *-*-linux*) 827 ;; 828 *) # See PR46792 regarding target-libffi. 829 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 830 esac 831 ;; 832 hppa*64*-*-linux*) 833 # In this case, it's because the hppa64-linux target is for 834 # the kernel only at this point and has no libc, and thus no 835 # headers, crt*.o, etc., all of which are needed by these. 836 unsupported_languages="$unsupported_languages java" 837 ;; 838 hppa*64*-*-hpux*) 839 noconfigdirs="$noconfigdirs ${libgcj}" 840 ;; 841 hppa*-hp-hpux11*) 842 ;; 843 hppa*-*-hpux*) 844 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 845 # build on HP-UX 10.20. 846 noconfigdirs="$noconfigdirs ${libgcj}" 847 ;; 848 ia64*-*-*vms*) 849 noconfigdirs="$noconfigdirs ${libgcj}" 850 ;; 851 i[[3456789]]86-w64-mingw*) 852 noconfigdirs="$noconfigdirs ${libgcj}" 853 ;; 854 i[[3456789]]86-*-mingw*) 855 noconfigdirs="$noconfigdirs ${libgcj}" 856 ;; 857 x86_64-*-mingw*) 858 noconfigdirs="$noconfigdirs ${libgcj}" 859 ;; 860 mmix-*-*) 861 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 862 ;; 863 powerpc-*-aix*) 864 # copied from rs6000-*-* entry 865 noconfigdirs="$noconfigdirs ${libgcj}" 866 ;; 867 rs6000-*-aix*) 868 noconfigdirs="$noconfigdirs ${libgcj}" 869 ;; 870 *-*-lynxos*) 871 noconfigdirs="$noconfigdirs ${libgcj}" 872 ;; 873esac 874 875# Disable the go frontend on systems where it is known to not work. Please keep 876# this in sync with contrib/config-list.mk. 877case "${target}" in 878*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 879 unsupported_languages="$unsupported_languages go" 880 ;; 881esac 882 883# Disable libgo for some systems where it is known to not work. 884# For testing, you can easily override this with --enable-libgo. 885if test x$enable_libgo = x; then 886 case "${target}" in 887 *-*-darwin*) 888 # PR 46986 889 noconfigdirs="$noconfigdirs target-libgo" 890 ;; 891 *-*-cygwin* | *-*-mingw*) 892 noconfigdirs="$noconfigdirs target-libgo" 893 ;; 894 *-*-aix*) 895 noconfigdirs="$noconfigdirs target-libgo" 896 ;; 897 esac 898fi 899 900# Default libgloss CPU subdirectory. 901libgloss_dir="$target_cpu" 902 903case "${target}" in 904 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 905 libgloss_dir=wince 906 ;; 907 aarch64*-*-* ) 908 libgloss_dir=aarch64 909 ;; 910 arm*-*-*) 911 libgloss_dir=arm 912 ;; 913 cris-*-* | crisv32-*-*) 914 libgloss_dir=cris 915 ;; 916 hppa*-*-*) 917 libgloss_dir=pa 918 ;; 919 i[[3456789]]86-*-*) 920 libgloss_dir=i386 921 ;; 922 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 923 libgloss_dir=m68hc11 924 ;; 925 m68*-*-* | fido-*-*) 926 libgloss_dir=m68k 927 ;; 928 mips*-*-*) 929 libgloss_dir=mips 930 ;; 931 powerpc*-*-*) 932 libgloss_dir=rs6000 933 ;; 934 sparc*-*-*) 935 libgloss_dir=sparc 936 ;; 937esac 938 939# Disable newlib and libgloss for various target OSes. 940case "${target}" in 941 alpha*-dec-osf*) 942 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 943 ;; 944 i[[3456789]]86-*-linux*) 945 # This section makes it possible to build newlib natively on linux. 946 # If we are using a cross compiler then don't configure newlib. 947 if test x${is_cross_compiler} != xno ; then 948 noconfigdirs="$noconfigdirs target-newlib" 949 fi 950 noconfigdirs="$noconfigdirs target-libgloss" 951 # If we are not using a cross compiler, do configure newlib. 952 # Note however, that newlib will only be configured in this situation 953 # if the --with-newlib option has been given, because otherwise 954 # 'target-newlib' will appear in skipdirs. 955 ;; 956 i[[3456789]]86-*-rdos*) 957 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 958 ;; 959 sh*-*-pe|mips*-*-pe|arm-wince-pe) 960 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 961 ;; 962 sparc-*-sunos4*) 963 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 964 ;; 965 *-*-aix*) 966 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 967 ;; 968 *-*-beos*) 969 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 970 ;; 971 *-*-chorusos) 972 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 973 ;; 974 *-*-dragonfly*) 975 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 976 ;; 977 *-*-freebsd*) 978 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 979 ;; 980 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 981 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 982 ;; 983 *-*-lynxos*) 984 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 985 ;; 986 *-*-mingw*) 987 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 988 ;; 989 *-*-netbsd*) 990 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 991 ;; 992 *-*-netware*) 993 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 994 ;; 995 *-*-tpf*) 996 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 997 ;; 998 *-*-uclinux*) 999 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1000 ;; 1001 *-*-vxworks*) 1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1003 ;; 1004esac 1005 1006case "${target}" in 1007 *-*-chorusos) 1008 ;; 1009 powerpc-*-darwin*) 1010 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1011 noconfigdirs="$noconfigdirs sim target-rda" 1012 ;; 1013 i[[3456789]]86-*-darwin*) 1014 noconfigdirs="$noconfigdirs ld gprof" 1015 noconfigdirs="$noconfigdirs sim target-rda" 1016 ;; 1017 x86_64-*-darwin[[912]]*) 1018 noconfigdirs="$noconfigdirs ld gas gprof" 1019 noconfigdirs="$noconfigdirs sim target-rda" 1020 ;; 1021 *-*-darwin*) 1022 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1023 noconfigdirs="$noconfigdirs sim target-rda" 1024 ;; 1025 *-*-dragonfly*) 1026 ;; 1027 *-*-freebsd*) 1028 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1029 && test -f /usr/local/include/gmp.h; then 1030 with_gmp=/usr/local 1031 fi 1032 ;; 1033 *-*-kaos*) 1034 # Remove unsupported stuff on all kaOS configurations. 1035 noconfigdirs="$noconfigdirs target-libgloss" 1036 ;; 1037 *-*-netbsd*) 1038 ;; 1039 *-*-netware*) 1040 ;; 1041 *-*-rtems*) 1042 noconfigdirs="$noconfigdirs target-libgloss" 1043 # this is not caught below because this stanza matches earlier 1044 case $target in 1045 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1046 esac 1047 ;; 1048 # The tpf target doesn't support gdb yet. 1049 *-*-tpf*) 1050 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1051 ;; 1052 *-*-uclinux*) 1053 noconfigdirs="$noconfigdirs target-rda" 1054 ;; 1055 *-*-vxworks*) 1056 ;; 1057 alpha*-dec-osf*) 1058 # ld works, but does not support shared libraries. 1059 # gas doesn't generate exception information. 1060 noconfigdirs="$noconfigdirs gas ld" 1061 ;; 1062 alpha*-*-*vms*) 1063 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1064 ;; 1065 alpha*-*-*) 1066 # newlib is not 64 bit ready 1067 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1068 ;; 1069 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1070 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1071 ;; 1072 arc-*-*|arceb-*-*) 1073 noconfigdirs="$noconfigdirs target-libgloss" 1074 ;; 1075 arm-*-pe*) 1076 noconfigdirs="$noconfigdirs target-libgloss" 1077 ;; 1078 arm-*-riscix*) 1079 noconfigdirs="$noconfigdirs ld target-libgloss" 1080 ;; 1081 avr-*-rtems*) 1082 ;; 1083 avr-*-*) 1084 if test x${with_avrlibc} != xno; then 1085 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1086 fi 1087 ;; 1088 c4x-*-* | tic4x-*-*) 1089 noconfigdirs="$noconfigdirs target-libgloss" 1090 ;; 1091 tic54x-*-*) 1092 noconfigdirs="$noconfigdirs target-libgloss gdb" 1093 ;; 1094 d10v-*-*) 1095 noconfigdirs="$noconfigdirs target-libgloss" 1096 ;; 1097 d30v-*-*) 1098 noconfigdirs="$noconfigdirs gdb" 1099 ;; 1100 fr30-*-elf*) 1101 noconfigdirs="$noconfigdirs gdb" 1102 ;; 1103 moxie-*-*) 1104 noconfigdirs="$noconfigdirs gprof" 1105 ;; 1106 h8300*-*-*) 1107 noconfigdirs="$noconfigdirs target-libgloss" 1108 ;; 1109 h8500-*-*) 1110 noconfigdirs="$noconfigdirs target-libgloss" 1111 ;; 1112 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1113 ;; 1114 hppa*64*-*-linux*) 1115 ;; 1116 hppa*-*-linux*) 1117 ;; 1118 hppa*-*-*elf* | \ 1119 hppa*-*-lites* | \ 1120 hppa*-*-openbsd* | \ 1121 hppa*64*-*-*) 1122 ;; 1123 hppa*-hp-hpux11*) 1124 noconfigdirs="$noconfigdirs ld" 1125 ;; 1126 hppa*-*-pro*) 1127 ;; 1128 hppa*-*-*) 1129 noconfigdirs="$noconfigdirs ld" 1130 ;; 1131 i960-*-*) 1132 noconfigdirs="$noconfigdirs gdb" 1133 ;; 1134 ia64*-*-elf*) 1135 # No gdb support yet. 1136 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1137 ;; 1138 ia64*-**-hpux*) 1139 # No ld support yet. 1140 noconfigdirs="$noconfigdirs libgui itcl ld" 1141 ;; 1142 ia64*-*-*vms*) 1143 # No ld support yet. 1144 noconfigdirs="$noconfigdirs libgui itcl ld" 1145 ;; 1146 i[[3456789]]86-w64-mingw*) 1147 ;; 1148 i[[3456789]]86-*-mingw*) 1149 target_configdirs="$target_configdirs target-winsup" 1150 ;; 1151 *-*-cygwin*) 1152 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1153 noconfigdirs="$noconfigdirs target-libgloss" 1154 # always build newlib if winsup directory is present. 1155 if test -d "$srcdir/winsup/cygwin"; then 1156 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1157 elif test -d "$srcdir/newlib"; then 1158 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1159 fi 1160 ;; 1161 i[[3456789]]86-*-pe) 1162 noconfigdirs="$noconfigdirs target-libgloss" 1163 ;; 1164 i[[3456789]]86-*-sco3.2v5*) 1165 # The linker does not yet know about weak symbols in COFF, 1166 # and is not configured to handle mixed ELF and COFF. 1167 noconfigdirs="$noconfigdirs ld target-libgloss" 1168 ;; 1169 i[[3456789]]86-*-sco*) 1170 noconfigdirs="$noconfigdirs gprof target-libgloss" 1171 ;; 1172 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1173 noconfigdirs="$noconfigdirs target-libgloss" 1174 ;; 1175 i[[3456789]]86-*-sysv4*) 1176 noconfigdirs="$noconfigdirs target-libgloss" 1177 ;; 1178 i[[3456789]]86-*-beos*) 1179 noconfigdirs="$noconfigdirs gdb" 1180 ;; 1181 i[[3456789]]86-*-rdos*) 1182 noconfigdirs="$noconfigdirs gdb" 1183 ;; 1184 mmix-*-*) 1185 noconfigdirs="$noconfigdirs gdb" 1186 ;; 1187 mt-*-*) 1188 noconfigdirs="$noconfigdirs sim" 1189 ;; 1190 powerpc-*-aix*) 1191 # copied from rs6000-*-* entry 1192 noconfigdirs="$noconfigdirs gprof" 1193 ;; 1194 powerpc*-*-winnt* | powerpc*-*-pe*) 1195 target_configdirs="$target_configdirs target-winsup" 1196 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1197 # always build newlib. 1198 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1199 ;; 1200 # This is temporary until we can link against shared libraries 1201 powerpcle-*-solaris*) 1202 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1203 ;; 1204 powerpc-*-beos*) 1205 noconfigdirs="$noconfigdirs gdb" 1206 ;; 1207 rs6000-*-lynxos*) 1208 noconfigdirs="$noconfigdirs gprof" 1209 ;; 1210 rs6000-*-aix*) 1211 noconfigdirs="$noconfigdirs gprof" 1212 ;; 1213 rs6000-*-*) 1214 noconfigdirs="$noconfigdirs gprof" 1215 ;; 1216 m68k-apollo-*) 1217 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1218 ;; 1219 microblaze*) 1220 noconfigdirs="$noconfigdirs gprof" 1221 ;; 1222 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1223 if test x$with_newlib = xyes; then 1224 noconfigdirs="$noconfigdirs gprof" 1225 fi 1226 ;; 1227 mips*-*-irix5*) 1228 noconfigdirs="$noconfigdirs gprof target-libgloss" 1229 ;; 1230 mips*-*-irix6*) 1231 noconfigdirs="$noconfigdirs gprof target-libgloss" 1232 ;; 1233 mips*-*-bsd*) 1234 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1235 ;; 1236 mips*-*-linux*) 1237 ;; 1238 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1239 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1240 noconfigdirs="$noconfigdirs ld gas gprof" 1241 ;; 1242 mips*-*-*) 1243 noconfigdirs="$noconfigdirs gprof" 1244 ;; 1245 nds32*-*-*) 1246 noconfigdirs="$noconfigdirs gdb" 1247 ;; 1248 nvptx*-*-*) 1249 # nvptx is just a compiler 1250 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1251 ;; 1252 or1k*-*-*) 1253 noconfigdirs="$noconfigdirs gdb" 1254 ;; 1255 sh-*-* | sh64-*-*) 1256 case "${target}" in 1257 sh*-*-elf) 1258 ;; 1259 *) 1260 noconfigdirs="$noconfigdirs target-libgloss" ;; 1261 esac 1262 ;; 1263 sparc-*-sunos4*) 1264 if test x${is_cross_compiler} = xno ; then 1265 use_gnu_ld=no 1266 fi 1267 ;; 1268 tic6x-*-*) 1269 noconfigdirs="$noconfigdirs sim" 1270 ;; 1271 tilepro*-*-* | tilegx*-*-*) 1272 noconfigdirs="$noconfigdirs sim" 1273 ;; 1274 v810-*-*) 1275 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1276 ;; 1277 vax-*-*) 1278 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1279 ;; 1280esac 1281 1282# If we aren't building newlib, then don't build libgloss, since libgloss 1283# depends upon some newlib header files. 1284case "${noconfigdirs}" in 1285 *target-libgloss*) ;; 1286 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1287esac 1288 1289# Work in distributions that contain no compiler tools, like Autoconf. 1290host_makefile_frag=/dev/null 1291if test -d ${srcdir}/config ; then 1292case "${host}" in 1293 i[[3456789]]86-*-msdosdjgpp*) 1294 host_makefile_frag="config/mh-djgpp" 1295 ;; 1296 *-cygwin*) 1297 ACX_CHECK_CYGWIN_CAT_WORKS 1298 host_makefile_frag="config/mh-cygwin" 1299 ;; 1300 *-mingw*) 1301 host_makefile_frag="config/mh-mingw" 1302 ;; 1303 alpha*-linux*) 1304 host_makefile_frag="config/mh-alpha-linux" 1305 ;; 1306 hppa*-hp-hpux10*) 1307 host_makefile_frag="config/mh-pa-hpux10" 1308 ;; 1309 hppa*-hp-hpux*) 1310 host_makefile_frag="config/mh-pa" 1311 ;; 1312 hppa*-*) 1313 host_makefile_frag="config/mh-pa" 1314 ;; 1315 *-*-darwin*) 1316 host_makefile_frag="config/mh-darwin" 1317 ;; 1318 powerpc-*-aix*) 1319 host_makefile_frag="config/mh-ppc-aix" 1320 ;; 1321 rs6000-*-aix*) 1322 host_makefile_frag="config/mh-ppc-aix" 1323 ;; 1324esac 1325fi 1326 1327if test "${build}" != "${host}" ; then 1328 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1329 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1330 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1331 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1332 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1333 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1334 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1335 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1336 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1337 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1338 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1339 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1340 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1341else 1342 AR_FOR_BUILD="\$(AR)" 1343 AS_FOR_BUILD="\$(AS)" 1344 CC_FOR_BUILD="\$(CC)" 1345 CXX_FOR_BUILD="\$(CXX)" 1346 GCJ_FOR_BUILD="\$(GCJ)" 1347 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1348 GOC_FOR_BUILD="\$(GOC)" 1349 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1350 LD_FOR_BUILD="\$(LD)" 1351 NM_FOR_BUILD="\$(NM)" 1352 RANLIB_FOR_BUILD="\$(RANLIB)" 1353 WINDRES_FOR_BUILD="\$(WINDRES)" 1354 WINDMC_FOR_BUILD="\$(WINDMC)" 1355fi 1356 1357AC_PROG_CC 1358AC_PROG_CXX 1359 1360# We must set the default linker to the linker used by gcc for the correct 1361# operation of libtool. If LD is not defined and we are using gcc, try to 1362# set the LD default to the ld used by gcc. 1363if test -z "$LD"; then 1364 if test "$GCC" = yes; then 1365 case $build in 1366 *-*-mingw*) 1367 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1368 *) 1369 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1370 esac 1371 case $gcc_prog_ld in 1372 # Accept absolute paths. 1373 [[\\/]* | [A-Za-z]:[\\/]*)] 1374 LD="$gcc_prog_ld" ;; 1375 esac 1376 fi 1377fi 1378 1379# Check whether -static-libstdc++ -static-libgcc is supported. 1380have_static_libs=no 1381if test "$GCC" = yes; then 1382 saved_LDFLAGS="$LDFLAGS" 1383 1384 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1385 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1386 AC_LANG_PUSH(C++) 1387 AC_LINK_IFELSE([ 1388#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1389#error -static-libstdc++ not implemented 1390#endif 1391int main() {}], 1392 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1393 [AC_MSG_RESULT([no])]) 1394 AC_LANG_POP(C++) 1395 1396 LDFLAGS="$saved_LDFLAGS" 1397fi 1398 1399ACX_PROG_GNAT 1400ACX_PROG_CMP_IGNORE_INITIAL 1401 1402AC_ARG_ENABLE([bootstrap], 1403[AS_HELP_STRING([--enable-bootstrap], 1404 [enable bootstrapping @<:@yes if native build@:>@])],, 1405enable_bootstrap=default) 1406 1407# Issue errors and warnings for invalid/strange bootstrap combinations. 1408if test -r $srcdir/gcc/configure; then 1409 have_compiler=yes 1410else 1411 have_compiler=no 1412fi 1413 1414case "$have_compiler:$host:$target:$enable_bootstrap" in 1415 *:*:*:no) ;; 1416 1417 # Default behavior. Enable bootstrap if we have a compiler 1418 # and we are in a native configuration. 1419 yes:$build:$build:default) 1420 enable_bootstrap=yes ;; 1421 1422 *:*:*:default) 1423 enable_bootstrap=no ;; 1424 1425 # We have a compiler and we are in a native configuration, bootstrap is ok 1426 yes:$build:$build:yes) 1427 ;; 1428 1429 # Other configurations, but we have a compiler. Assume the user knows 1430 # what he's doing. 1431 yes:*:*:yes) 1432 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1433 ;; 1434 1435 # No compiler: if they passed --enable-bootstrap explicitly, fail 1436 no:*:*:yes) 1437 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1438 1439 # Fail if wrong command line 1440 *) 1441 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1442 ;; 1443esac 1444 1445# Used for setting $lt_cv_objdir 1446_LT_CHECK_OBJDIR 1447 1448# Check for GMP, MPFR and MPC 1449gmplibs="-lmpc -lmpfr -lgmp" 1450gmpinc= 1451have_gmp=no 1452 1453# Specify a location for mpc 1454# check for this first so it ends up on the link line before mpfr. 1455AC_ARG_WITH(mpc, 1456[AS_HELP_STRING([--with-mpc=PATH], 1457 [specify prefix directory for installed MPC package. 1458 Equivalent to --with-mpc-include=PATH/include 1459 plus --with-mpc-lib=PATH/lib])]) 1460AC_ARG_WITH(mpc-include, 1461[AS_HELP_STRING([--with-mpc-include=PATH], 1462 [specify directory for installed MPC include files])]) 1463AC_ARG_WITH(mpc-lib, 1464[AS_HELP_STRING([--with-mpc-lib=PATH], 1465 [specify directory for the installed MPC library])]) 1466 1467if test "x$with_mpc" != x; then 1468 gmplibs="-L$with_mpc/lib $gmplibs" 1469 gmpinc="-I$with_mpc/include $gmpinc" 1470fi 1471if test "x$with_mpc_include" != x; then 1472 gmpinc="-I$with_mpc_include $gmpinc" 1473fi 1474if test "x$with_mpc_lib" != x; then 1475 gmplibs="-L$with_mpc_lib $gmplibs" 1476fi 1477if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1478 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1479 gmpinc='-I$$s/mpc/src '"$gmpinc" 1480 # Do not test the mpc version. Assume that it is sufficient, since 1481 # it is in the source tree, and the library has not been built yet 1482 # but it would be included on the link line in the version check below 1483 # hence making the test fail. 1484 have_gmp=yes 1485fi 1486 1487# Specify a location for mpfr 1488# check for this first so it ends up on the link line before gmp. 1489AC_ARG_WITH(mpfr-dir, 1490[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1491[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1492Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1493 1494AC_ARG_WITH(mpfr, 1495[AS_HELP_STRING([--with-mpfr=PATH], 1496 [specify prefix directory for installed MPFR package. 1497 Equivalent to --with-mpfr-include=PATH/include 1498 plus --with-mpfr-lib=PATH/lib])]) 1499AC_ARG_WITH(mpfr-include, 1500[AS_HELP_STRING([--with-mpfr-include=PATH], 1501 [specify directory for installed MPFR include files])]) 1502AC_ARG_WITH(mpfr-lib, 1503[AS_HELP_STRING([--with-mpfr-lib=PATH], 1504 [specify directory for the installed MPFR library])]) 1505 1506if test "x$with_mpfr" != x; then 1507 gmplibs="-L$with_mpfr/lib $gmplibs" 1508 gmpinc="-I$with_mpfr/include $gmpinc" 1509fi 1510if test "x$with_mpfr_include" != x; then 1511 gmpinc="-I$with_mpfr_include $gmpinc" 1512fi 1513if test "x$with_mpfr_lib" != x; then 1514 gmplibs="-L$with_mpfr_lib $gmplibs" 1515fi 1516if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1517 # MPFR v3.1.0 moved the sources into a src sub-directory. 1518 if test -d ${srcdir}/mpfr/src; then 1519 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1520 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1521 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1522 else 1523 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1524 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1525 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1526 fi 1527 # Do not test the mpfr version. Assume that it is sufficient, since 1528 # it is in the source tree, and the library has not been built yet 1529 # but it would be included on the link line in the version check below 1530 # hence making the test fail. 1531 have_gmp=yes 1532fi 1533 1534# Specify a location for gmp 1535AC_ARG_WITH(gmp-dir, 1536[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1537[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1538Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1539 1540AC_ARG_WITH(gmp, 1541[AS_HELP_STRING([--with-gmp=PATH], 1542 [specify prefix directory for the installed GMP package. 1543 Equivalent to --with-gmp-include=PATH/include 1544 plus --with-gmp-lib=PATH/lib])]) 1545AC_ARG_WITH(gmp-include, 1546[AS_HELP_STRING([--with-gmp-include=PATH], 1547 [specify directory for installed GMP include files])]) 1548AC_ARG_WITH(gmp-lib, 1549[AS_HELP_STRING([--with-gmp-lib=PATH], 1550 [specify directory for the installed GMP library])]) 1551 1552 1553if test "x$with_gmp" != x; then 1554 gmplibs="-L$with_gmp/lib $gmplibs" 1555 gmpinc="-I$with_gmp/include $gmpinc" 1556fi 1557if test "x$with_gmp_include" != x; then 1558 gmpinc="-I$with_gmp_include $gmpinc" 1559fi 1560if test "x$with_gmp_lib" != x; then 1561 gmplibs="-L$with_gmp_lib $gmplibs" 1562fi 1563if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1564 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1565 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1566 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1567 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1568 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1569 # Do not test the gmp version. Assume that it is sufficient, since 1570 # it is in the source tree, and the library has not been built yet 1571 # but it would be included on the link line in the version check below 1572 # hence making the test fail. 1573 have_gmp=yes 1574fi 1575 1576if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1577 have_gmp=yes 1578 saved_CFLAGS="$CFLAGS" 1579 CFLAGS="$CFLAGS $gmpinc" 1580 # Check for the recommended and required versions of GMP. 1581 AC_MSG_CHECKING([for the correct version of gmp.h]) 1582 AC_TRY_COMPILE([#include "gmp.h"],[ 1583 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1584 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1585 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1586 choke me 1587 #endif 1588 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1589 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1590 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1591 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1592 choke me 1593 #endif 1594 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1595 [AC_MSG_RESULT([no]); have_gmp=no]) 1596 1597 # If we have GMP, check the MPFR version. 1598 if test x"$have_gmp" = xyes; then 1599 # Check for the recommended and required versions of MPFR. 1600 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1601 AC_TRY_COMPILE([#include <gmp.h> 1602 #include <mpfr.h>],[ 1603 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1604 choke me 1605 #endif 1606 ], [AC_TRY_COMPILE([#include <gmp.h> 1607 #include <mpfr.h>],[ 1608 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1609 choke me 1610 #endif 1611 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1612 [AC_MSG_RESULT([no]); have_gmp=no]) 1613 fi 1614 1615 # Check for the MPC header version. 1616 if test x"$have_gmp" = xyes ; then 1617 # Check for the recommended and required versions of MPC. 1618 AC_MSG_CHECKING([for the correct version of mpc.h]) 1619 AC_TRY_COMPILE([#include <mpc.h>],[ 1620 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1621 choke me 1622 #endif 1623 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1624 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1625 choke me 1626 #endif 1627 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1628 [AC_MSG_RESULT([no]); have_gmp=no]) 1629 fi 1630 1631 # Now check the MPFR library. 1632 if test x"$have_gmp" = xyes; then 1633 saved_LIBS="$LIBS" 1634 LIBS="$LIBS $gmplibs" 1635 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1636 AC_TRY_LINK([#include <mpc.h>],[ 1637 mpfr_t n; 1638 mpfr_t x; 1639 mpc_t c; 1640 int t; 1641 mpfr_init (n); 1642 mpfr_init (x); 1643 mpfr_atan2 (n, n, x, GMP_RNDN); 1644 mpfr_erfc (n, x, GMP_RNDN); 1645 mpfr_subnormalize (x, t, GMP_RNDN); 1646 mpfr_clear(n); 1647 mpfr_clear(x); 1648 mpc_init2 (c, 53); 1649 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1650 mpc_cosh (c, c, MPC_RNDNN); 1651 mpc_pow (c, c, c, MPC_RNDNN); 1652 mpc_acosh (c, c, MPC_RNDNN); 1653 mpc_clear (c); 1654 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1655 LIBS="$saved_LIBS" 1656 fi 1657 1658 CFLAGS="$saved_CFLAGS" 1659 1660# The library versions listed in the error message below should match 1661# the HARD-minimums enforced above. 1662 if test x$have_gmp != xyes; then 1663 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1664Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1665their locations. Source code for these libraries can be found at 1666their respective hosting sites as well as at 1667ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1668http://gcc.gnu.org/install/prerequisites.html for additional info. If 1669you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1670make sure that you have installed both the libraries and the header 1671files. They may be located in separate packages.]) 1672 fi 1673fi 1674 1675# Flags needed for both GMP, MPFR and/or MPC. 1676AC_SUBST(gmplibs) 1677AC_SUBST(gmpinc) 1678AC_SUBST(extra_mpfr_configure_flags) 1679AC_SUBST(extra_mpc_gmp_configure_flags) 1680AC_SUBST(extra_mpc_mpfr_configure_flags) 1681AC_SUBST(extra_isl_gmp_configure_flags) 1682 1683# Allow host libstdc++ to be specified for static linking with PPL. 1684AC_ARG_WITH(host-libstdcxx, 1685[AS_HELP_STRING([--with-host-libstdcxx=L], 1686 [use linker arguments L to link with libstdc++ 1687 when linking with PPL])]) 1688 1689case $with_host_libstdcxx in 1690 no|yes) 1691 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1692 ;; 1693esac 1694 1695# Libraries to use for stage1 or when not bootstrapping. 1696AC_ARG_WITH(stage1-libs, 1697[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1698[if test "$withval" = "no" -o "$withval" = "yes"; then 1699 stage1_libs= 1700 else 1701 stage1_libs=$withval 1702 fi], 1703[stage1_libs=$with_host_libstdcxx]) 1704AC_SUBST(stage1_libs) 1705 1706# Linker flags to use for stage1 or when not bootstrapping. 1707AC_ARG_WITH(stage1-ldflags, 1708[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1709[if test "$withval" = "no" -o "$withval" = "yes"; then 1710 stage1_ldflags= 1711 else 1712 stage1_ldflags=$withval 1713 fi], 1714[stage1_ldflags= 1715 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1716 # if supported. But if the user explicitly specified the libraries to use, 1717 # trust that they are doing what they want. 1718 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1719 stage1_ldflags="-static-libstdc++ -static-libgcc" 1720 fi]) 1721AC_SUBST(stage1_ldflags) 1722 1723# Libraries to use for stage2 and later builds. This defaults to the 1724# argument passed to --with-host-libstdcxx. 1725AC_ARG_WITH(boot-libs, 1726[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1727[if test "$withval" = "no" -o "$withval" = "yes"; then 1728 poststage1_libs= 1729 else 1730 poststage1_libs=$withval 1731 fi], 1732[poststage1_libs=$with_host_libstdcxx]) 1733AC_SUBST(poststage1_libs) 1734 1735# Linker flags to use for stage2 and later builds. 1736AC_ARG_WITH(boot-ldflags, 1737[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1738 [linker flags for stage2 and later])], 1739[if test "$withval" = "no" -o "$withval" = "yes"; then 1740 poststage1_ldflags= 1741 else 1742 poststage1_ldflags=$withval 1743 fi], 1744[poststage1_ldflags= 1745 # In stages 2 and 3, default to linking libstdc++ and libgcc 1746 # statically. But if the user explicitly specified the libraries to 1747 # use, trust that they are doing what they want. 1748 if test "$poststage1_libs" = ""; then 1749 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1750 fi]) 1751AC_SUBST(poststage1_ldflags) 1752 1753# GCC GRAPHITE dependency ISL. 1754# Basic setup is inlined here, actual checks are in config/isl.m4 1755 1756AC_ARG_WITH(isl, 1757 [AS_HELP_STRING( 1758 [--with-isl=PATH], 1759 [Specify prefix directory for the installed ISL package. 1760 Equivalent to --with-isl-include=PATH/include 1761 plus --with-isl-lib=PATH/lib])]) 1762 1763# Treat --without-isl as a request to disable 1764# GRAPHITE support and skip all following checks. 1765if test "x$with_isl" != "xno"; then 1766 # Check for ISL 1767 dnl Provide configure switches and initialize islinc & isllibs 1768 dnl with user input. 1769 ISL_INIT_FLAGS 1770 dnl The versions of ISL that work for Graphite 1771 ISL_CHECK_VERSION() 1772 dnl Only execute fail-action, if ISL has been requested. 1773 ISL_IF_FAILED([ 1774 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1775fi 1776 1777# If the ISL check failed, disable builds of in-tree variant of ISL 1778if test "x$with_isl" = xno || 1779 test "x$gcc_cv_isl" = xno; then 1780 noconfigdirs="$noconfigdirs isl" 1781 islinc= 1782fi 1783 1784AC_SUBST(isllibs) 1785AC_SUBST(islinc) 1786 1787# Check for LTO support. 1788AC_ARG_ENABLE(lto, 1789[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1790enable_lto=$enableval, 1791enable_lto=yes; default_enable_lto=yes) 1792 1793ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1794 case $target in 1795 m68010-*) 1796 build_lto_plugin=no;; 1797 *) 1798 build_lto_plugin=yes;; 1799 esac 1800],[if test x"$default_enable_lto" = x"yes" ; then 1801 case $target in 1802 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1803 # On other non-ELF platforms, LTO has yet to be validated. 1804 *) enable_lto=no ;; 1805 esac 1806 else 1807 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1808 # It would also be nice to check the binutils support, but we don't 1809 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1810 # warn during gcc/ subconfigure; unless you're bootstrapping with 1811 # -flto it won't be needed until after installation anyway. 1812 case $target in 1813 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1814 *) if test x"$enable_lto" = x"yes"; then 1815 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1816 fi 1817 ;; 1818 esac 1819 fi 1820 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1821 # Build it unless LTO was explicitly disabled. 1822 case $target in 1823 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1824 *) ;; 1825 esac 1826]) 1827 1828AC_ARG_ENABLE(linker-plugin-configure-flags, 1829 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1830 [additional flags for configuring linker plugins @<:@none@:>@])], 1831 extra_linker_plugin_configure_flags=$enableval, 1832 extra_linker_plugin_configure_flags=) 1833AC_SUBST(extra_linker_plugin_configure_flags) 1834AC_ARG_ENABLE(linker-plugin-flags, 1835 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1836 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1837 extra_linker_plugin_flags=$enableval, 1838 extra_linker_plugin_flags=) 1839AC_SUBST(extra_linker_plugin_flags) 1840 1841 1842# By default, C and C++ are the only stage 1 languages. 1843stage1_languages=,c, 1844 1845# Target libraries that we bootstrap. 1846bootstrap_target_libs=,target-libgcc, 1847 1848# Figure out what language subdirectories are present. 1849# Look if the user specified --enable-languages="..."; if not, use 1850# the environment variable $LANGUAGES if defined. $LANGUAGES might 1851# go away some day. 1852# NB: embedded tabs in this IF block -- do not untabify 1853if test -d ${srcdir}/gcc; then 1854 if test x"${enable_languages+set}" != xset; then 1855 if test x"${LANGUAGES+set}" = xset; then 1856 enable_languages="${LANGUAGES}" 1857 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1858 else 1859 enable_languages=all 1860 fi 1861 else 1862 if test x"${enable_languages}" = x || 1863 test x"${enable_languages}" = xyes; 1864 then 1865 echo configure.in: --enable-languages needs at least one language argument 1>&2 1866 exit 1 1867 fi 1868 fi 1869 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1870 1871 # 'f95' is the old name for the 'fortran' language. We issue a warning 1872 # and make the substitution. 1873 case ,${enable_languages}, in 1874 *,f95,*) 1875 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1876 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1877 ;; 1878 esac 1879 1880 # If bootstrapping, C++ must be enabled. 1881 case ",$enable_languages,:$enable_bootstrap" in 1882 *,c++,*:*) ;; 1883 *:yes) 1884 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1885 enable_languages="${enable_languages},c++" 1886 else 1887 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1888 fi 1889 ;; 1890 esac 1891 1892 # First scan to see if an enabled language requires some other language. 1893 # We assume that a given config-lang.in will list all the language 1894 # front ends it requires, even if some are required indirectly. 1895 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1896 case ${lang_frag} in 1897 ..) ;; 1898 # The odd quoting in the next line works around 1899 # an apparent bug in bash 1.12 on linux. 1900 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1901 *) 1902 # From the config-lang.in, get $language, $lang_requires, and 1903 # $lang_requires_boot_languages. 1904 language= 1905 lang_requires= 1906 lang_requires_boot_languages= 1907 . ${lang_frag} 1908 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1909 case ,${enable_languages}, in 1910 *,$other,*) ;; 1911 *,all,*) ;; 1912 *,$language,*) 1913 echo " \`$other' language required by \`$language'; enabling" 1>&2 1914 enable_languages="${enable_languages},${other}" 1915 ;; 1916 esac 1917 done 1918 for other in ${lang_requires_boot_languages} ; do 1919 if test "$other" != "c"; then 1920 case ,${enable_stage1_languages}, in 1921 *,$other,*) ;; 1922 *,all,*) ;; 1923 *) 1924 case ,${enable_languages}, in 1925 *,$language,*) 1926 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1927 enable_stage1_languages="$enable_stage1_languages,${other}" 1928 ;; 1929 esac 1930 ;; 1931 esac 1932 fi 1933 done 1934 ;; 1935 esac 1936 done 1937 1938 new_enable_languages=,c, 1939 1940 # If LTO is enabled, add the LTO front end. 1941 if test "$enable_lto" = "yes" ; then 1942 case ,${enable_languages}, in 1943 *,lto,*) ;; 1944 *) enable_languages="${enable_languages},lto" ;; 1945 esac 1946 if test "${build_lto_plugin}" = "yes" ; then 1947 configdirs="$configdirs lto-plugin" 1948 fi 1949 fi 1950 1951 # If we're building an offloading compiler, add the LTO front end. 1952 if test x"$enable_as_accelerator_for" != x ; then 1953 case ,${enable_languages}, in 1954 *,lto,*) ;; 1955 *) enable_languages="${enable_languages},lto" ;; 1956 esac 1957 fi 1958 1959 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1960 potential_languages=,c, 1961 1962 enabled_target_libs= 1963 disabled_target_libs= 1964 1965 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1966 case ${lang_frag} in 1967 ..) ;; 1968 # The odd quoting in the next line works around 1969 # an apparent bug in bash 1.12 on linux. 1970 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1971 *) 1972 # From the config-lang.in, get $language, $target_libs, 1973 # $lang_dirs, $boot_language, and $build_by_default 1974 language= 1975 target_libs= 1976 lang_dirs= 1977 subdir_requires= 1978 boot_language=no 1979 build_by_default=yes 1980 . ${lang_frag} 1981 if test x${language} = x; then 1982 echo "${lang_frag} doesn't set \$language." 1>&2 1983 exit 1 1984 fi 1985 1986 if test "$language" = "c++"; then 1987 boot_language=yes 1988 fi 1989 1990 add_this_lang=no 1991 case ,${enable_languages}, in 1992 *,${language},*) 1993 # Language was explicitly selected; include it 1994 # unless it is C, which is enabled by default. 1995 if test "$language" != "c"; then 1996 add_this_lang=yes 1997 fi 1998 ;; 1999 *,all,*) 2000 # 'all' was selected, select it if it is a default language 2001 if test "$language" != "c"; then 2002 add_this_lang=${build_by_default} 2003 fi 2004 ;; 2005 esac 2006 2007 # Disable languages that need other directories if these aren't available. 2008 for i in $subdir_requires; do 2009 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2010 case ,${enable_languages}, in 2011 *,${language},*) 2012 # Specifically requested language; tell them. 2013 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2014 ;; 2015 *) 2016 # Silently disable. 2017 add_this_lang=unsupported 2018 ;; 2019 esac 2020 done 2021 2022 # Disable Ada if no preexisting GNAT is available. 2023 case ,${enable_languages},:${language}:${have_gnat} in 2024 *,${language},*:ada:no) 2025 # Specifically requested language; tell them. 2026 AC_MSG_ERROR([GNAT is required to build $language]) 2027 ;; 2028 *:ada:no) 2029 # Silently disable. 2030 add_this_lang=unsupported 2031 ;; 2032 esac 2033 2034 # Disable a language that is unsupported by the target. 2035 case " $unsupported_languages " in 2036 *" $language "*) 2037 add_this_lang=unsupported 2038 ;; 2039 esac 2040 2041 case $add_this_lang in 2042 unsupported) 2043 # Remove language-dependent dirs. 2044 disabled_target_libs="$disabled_target_libs $target_libs" 2045 noconfigdirs="$noconfigdirs $lang_dirs" 2046 ;; 2047 no) 2048 # Remove language-dependent dirs; still show language as supported. 2049 disabled_target_libs="$disabled_target_libs $target_libs" 2050 noconfigdirs="$noconfigdirs $lang_dirs" 2051 potential_languages="${potential_languages}${language}," 2052 ;; 2053 yes) 2054 new_enable_languages="${new_enable_languages}${language}," 2055 potential_languages="${potential_languages}${language}," 2056 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2057 enabled_target_libs="$enabled_target_libs $target_libs" 2058 case "${boot_language}:,$enable_stage1_languages," in 2059 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2060 # Add to (comma-separated) list of stage 1 languages. 2061 case ",$stage1_languages," in 2062 *,$language,* | ,yes, | ,all,) ;; 2063 *) stage1_languages="${stage1_languages}${language}," ;; 2064 esac 2065 # We need to bootstrap any supporting libraries. 2066 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2067 ;; 2068 esac 2069 ;; 2070 esac 2071 ;; 2072 esac 2073 done 2074 2075 # Add target libraries which are only needed for disabled languages 2076 # to noconfigdirs. 2077 if test -n "$disabled_target_libs"; then 2078 for dir in $disabled_target_libs; do 2079 case " $enabled_target_libs " in 2080 *" ${dir} "*) ;; 2081 *) noconfigdirs="$noconfigdirs $dir" ;; 2082 esac 2083 done 2084 fi 2085 2086 AC_ARG_ENABLE(stage1-languages, 2087 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2088 [choose additional languages to build during 2089 stage1. Mostly useful for compiler development])], 2090 [case ,${enable_stage1_languages}, in 2091 ,no,|,,) 2092 # Set it to something that will have no effect in the loop below 2093 enable_stage1_languages=c ;; 2094 ,yes,) 2095 enable_stage1_languages=`echo $new_enable_languages | \ 2096 sed -e "s/^,//" -e "s/,$//" ` ;; 2097 *,all,*) 2098 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2099 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2100 esac 2101 2102 # Add "good" languages from enable_stage1_languages to stage1_languages, 2103 # while "bad" languages go in missing_languages. Leave no duplicates. 2104 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2105 case $potential_languages in 2106 *,$i,*) 2107 case $stage1_languages in 2108 *,$i,*) ;; 2109 *) stage1_languages="$stage1_languages$i," ;; 2110 esac ;; 2111 *) 2112 case $missing_languages in 2113 *,$i,*) ;; 2114 *) missing_languages="$missing_languages$i," ;; 2115 esac ;; 2116 esac 2117 done]) 2118 2119 # Remove leading/trailing commas that were added for simplicity 2120 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2121 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2122 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2123 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2124 2125 if test "x$missing_languages" != x; then 2126 AC_MSG_ERROR([ 2127The following requested languages could not be built: ${missing_languages} 2128Supported languages are: ${potential_languages}]) 2129 fi 2130 if test "x$new_enable_languages" != "x$enable_languages"; then 2131 echo The following languages will be built: ${new_enable_languages} 2132 enable_languages="$new_enable_languages" 2133 fi 2134 2135 AC_SUBST(stage1_languages) 2136 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2137fi 2138 2139# Handle --disable-<component> generically. 2140for dir in $configdirs $build_configdirs $target_configdirs ; do 2141 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2142 varname=`echo $dirname | sed -e s/+/_/g` 2143 if eval test x\${enable_${varname}} "=" xno ; then 2144 noconfigdirs="$noconfigdirs $dir" 2145 fi 2146done 2147 2148# Check for Boehm's garbage collector 2149AC_ARG_ENABLE(objc-gc, 2150[AS_HELP_STRING([--enable-objc-gc], 2151 [enable use of Boehm's garbage collector with the 2152 GNU Objective-C runtime])], 2153[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2154 *,objc,*:*:yes:*target-boehm-gc*) 2155 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2156 ;; 2157esac]) 2158 2159# Make sure we only build Boehm's garbage collector if required. 2160case ,${enable_languages},:${enable_objc_gc} in 2161 *,objc,*:yes) 2162 # Keep target-boehm-gc if requested for Objective-C. 2163 ;; 2164 *) 2165 # Otherwise remove target-boehm-gc depending on target-libjava. 2166 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2167 noconfigdirs="$noconfigdirs target-boehm-gc" 2168 fi 2169 ;; 2170esac 2171 2172# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2173case ,${enable_languages}, in 2174 *,c++,*) 2175 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2176 case "${noconfigdirs}" in 2177 *target-libstdc++-v3*) 2178 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2179 ;; 2180 *) ;; 2181 esac 2182 ;; 2183 *) 2184 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2185 ;; 2186esac 2187 2188# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2189# $build_configdirs and $target_configdirs. 2190# If we have the source for $noconfigdirs entries, add them to $notsupp. 2191 2192notsupp="" 2193for dir in . $skipdirs $noconfigdirs ; do 2194 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2195 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2196 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2197 if test -r $srcdir/$dirname/configure ; then 2198 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2199 true 2200 else 2201 notsupp="$notsupp $dir" 2202 fi 2203 fi 2204 fi 2205 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2206 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2207 if test -r $srcdir/$dirname/configure ; then 2208 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2209 true 2210 else 2211 notsupp="$notsupp $dir" 2212 fi 2213 fi 2214 fi 2215 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2216 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2217 if test -r $srcdir/$dirname/configure ; then 2218 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2219 true 2220 else 2221 notsupp="$notsupp $dir" 2222 fi 2223 fi 2224 fi 2225done 2226 2227# Quietly strip out all directories which aren't configurable in this tree. 2228# This relies on all configurable subdirectories being autoconfiscated, which 2229# is now the case. 2230build_configdirs_all="$build_configdirs" 2231build_configdirs= 2232for i in ${build_configdirs_all} ; do 2233 j=`echo $i | sed -e s/build-//g` 2234 if test -f ${srcdir}/$j/configure ; then 2235 build_configdirs="${build_configdirs} $i" 2236 fi 2237done 2238 2239configdirs_all="$configdirs" 2240configdirs= 2241for i in ${configdirs_all} ; do 2242 if test -f ${srcdir}/$i/configure ; then 2243 configdirs="${configdirs} $i" 2244 fi 2245done 2246 2247target_configdirs_all="$target_configdirs" 2248target_configdirs= 2249for i in ${target_configdirs_all} ; do 2250 j=`echo $i | sed -e s/target-//g` 2251 if test -f ${srcdir}/$j/configure ; then 2252 target_configdirs="${target_configdirs} $i" 2253 fi 2254done 2255 2256# libiberty-linker-plugin is special: it doesn't have its own source directory, 2257# so we have to add it after the preceding checks. 2258if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2259then 2260 case " $configdirs " in 2261 *" libiberty "*) 2262 # If we can build libiberty, we can also build libiberty-linker-plugin. 2263 configdirs="$configdirs libiberty-linker-plugin" 2264 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2265 --with-libiberty=../libiberty-linker-plugin";; 2266 *) 2267 AC_MSG_ERROR([libiberty missing]);; 2268 esac 2269fi 2270 2271# Sometimes we have special requirements for the host libiberty. 2272extra_host_libiberty_configure_flags= 2273case " $configdirs " in 2274 *" lto-plugin "* | *" libcc1 "*) 2275 # When these are to be built as shared libraries, the same applies to 2276 # libiberty. 2277 extra_host_libiberty_configure_flags=--enable-shared 2278 ;; 2279esac 2280AC_SUBST(extra_host_libiberty_configure_flags) 2281 2282# Produce a warning message for the subdirs we can't configure. 2283# This isn't especially interesting in the Cygnus tree, but in the individual 2284# FSF releases, it's important to let people know when their machine isn't 2285# supported by the one or two programs in a package. 2286 2287if test -n "${notsupp}" && test -z "${norecursion}" ; then 2288 # If $appdirs is non-empty, at least one of those directories must still 2289 # be configured, or we error out. (E.g., if the gas release supports a 2290 # specified target in some subdirs but not the gas subdir, we shouldn't 2291 # pretend that all is well.) 2292 if test -n "$appdirs" ; then 2293 for dir in $appdirs ; do 2294 if test -r $dir/Makefile.in ; then 2295 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2296 appdirs="" 2297 break 2298 fi 2299 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2300 appdirs="" 2301 break 2302 fi 2303 fi 2304 done 2305 if test -n "$appdirs" ; then 2306 echo "*** This configuration is not supported by this package." 1>&2 2307 exit 1 2308 fi 2309 fi 2310 # Okay, some application will build, or we don't care to check. Still 2311 # notify of subdirs not getting built. 2312 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2313 echo " ${notsupp}" 1>&2 2314 echo " (Any other directories should still work fine.)" 1>&2 2315fi 2316 2317case "$host" in 2318 *msdosdjgpp*) 2319 enable_gdbtk=no ;; 2320esac 2321 2322# To find our prefix, in gcc_cv_tool_prefix. 2323ACX_TOOL_DIRS 2324 2325copy_dirs= 2326 2327AC_ARG_WITH([build-sysroot], 2328 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2329 [use sysroot as the system root during the build])], 2330 [if test x"$withval" != x ; then 2331 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2332 fi], 2333 [SYSROOT_CFLAGS_FOR_TARGET=]) 2334AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2335 2336AC_ARG_WITH([debug-prefix-map], 2337 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2338 [map A to B, C to D ... in debug information])], 2339 [if test x"$withval" != x; then 2340 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2341 for debug_map in $withval; do 2342 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2343 done 2344 fi], 2345 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2346AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2347 2348# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2349# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2350# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2351# We want to ensure that TARGET libraries (which we know are built with 2352# gcc) are built with "-O2 -g", so include those options when setting 2353# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2354if test "x$CFLAGS_FOR_TARGET" = x; then 2355 if test "x${is_cross_compiler}" = xyes; then 2356 CFLAGS_FOR_TARGET="-g -O2" 2357 else 2358 CFLAGS_FOR_TARGET=$CFLAGS 2359 case " $CFLAGS " in 2360 *" -O2 "*) ;; 2361 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2362 esac 2363 case " $CFLAGS " in 2364 *" -g "* | *" -g3 "*) ;; 2365 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2366 esac 2367 fi 2368fi 2369AC_SUBST(CFLAGS_FOR_TARGET) 2370 2371if test "x$CXXFLAGS_FOR_TARGET" = x; then 2372 if test "x${is_cross_compiler}" = xyes; then 2373 CXXFLAGS_FOR_TARGET="-g -O2" 2374 else 2375 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2376 case " $CXXFLAGS " in 2377 *" -O2 "*) ;; 2378 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2379 esac 2380 case " $CXXFLAGS " in 2381 *" -g "* | *" -g3 "*) ;; 2382 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2383 esac 2384 fi 2385fi 2386AC_SUBST(CXXFLAGS_FOR_TARGET) 2387 2388AC_SUBST(LDFLAGS_FOR_TARGET) 2389 2390# Handle --with-headers=XXX. If the value is not "yes", the contents of 2391# the named directory are copied to $(tooldir)/sys-include. 2392if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2393 if test x${is_cross_compiler} = xno ; then 2394 echo 1>&2 '***' --with-headers is only supported when cross compiling 2395 exit 1 2396 fi 2397 if test x"${with_headers}" != xyes ; then 2398 x=${gcc_cv_tool_prefix} 2399 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2400 fi 2401fi 2402 2403# Handle --with-libs=XXX. If the value is not "yes", the contents of 2404# the name directories are copied to $(tooldir)/lib. Multiple directories 2405# are permitted. 2406if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2407 if test x${is_cross_compiler} = xno ; then 2408 echo 1>&2 '***' --with-libs is only supported when cross compiling 2409 exit 1 2410 fi 2411 if test x"${with_libs}" != xyes ; then 2412 # Copy the libraries in reverse order, so that files in the first named 2413 # library override files in subsequent libraries. 2414 x=${gcc_cv_tool_prefix} 2415 for l in ${with_libs}; do 2416 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2417 done 2418 fi 2419fi 2420 2421# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2422# 2423# This is done by determining whether or not the appropriate directory 2424# is available, and by checking whether or not specific configurations 2425# have requested that this magic not happen. 2426# 2427# The command line options always override the explicit settings in 2428# configure.in, and the settings in configure.in override this magic. 2429# 2430# If the default for a toolchain is to use GNU as and ld, and you don't 2431# want to do that, then you should use the --without-gnu-as and 2432# --without-gnu-ld options for the configure script. Similarly, if 2433# the default is to use the included zlib and you don't want to do that, 2434# you should use the --with-system-zlib option for the configure script. 2435 2436if test x${use_gnu_as} = x && 2437 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2438 with_gnu_as=yes 2439 extra_host_args="$extra_host_args --with-gnu-as" 2440fi 2441 2442if test x${use_gnu_ld} = x && 2443 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2444 with_gnu_ld=yes 2445 extra_host_args="$extra_host_args --with-gnu-ld" 2446fi 2447 2448if test x${use_included_zlib} = x && 2449 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2450 : 2451else 2452 with_system_zlib=yes 2453 extra_host_args="$extra_host_args --with-system-zlib" 2454fi 2455 2456# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2457# can detect this case. 2458 2459if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2460 with_newlib=yes 2461 extra_host_args="$extra_host_args --with-newlib" 2462fi 2463 2464# Handle ${copy_dirs} 2465set fnord ${copy_dirs} 2466shift 2467while test $# != 0 ; do 2468 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2469 : 2470 else 2471 echo Copying $1 to $2 2472 2473 # Use the install script to create the directory and all required 2474 # parent directories. 2475 if test -d $2 ; then 2476 : 2477 else 2478 echo >config.temp 2479 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2480 fi 2481 2482 # Copy the directory, assuming we have tar. 2483 # FIXME: Should we use B in the second tar? Not all systems support it. 2484 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2485 2486 # It is the responsibility of the user to correctly adjust all 2487 # symlinks. If somebody can figure out how to handle them correctly 2488 # here, feel free to add the code. 2489 2490 echo $1 > $2/COPIED 2491 fi 2492 shift; shift 2493done 2494 2495# Determine a target-dependent exec_prefix that the installed 2496# gcc will search in. Keep this list sorted by triplet, with 2497# the *-*-osname triplets last. 2498md_exec_prefix= 2499case "${target}" in 2500 i[[34567]]86-pc-msdosdjgpp*) 2501 md_exec_prefix=/dev/env/DJDIR/bin 2502 ;; 2503 *-*-hpux* | \ 2504 *-*-nto-qnx* | \ 2505 *-*-solaris2*) 2506 md_exec_prefix=/usr/ccs/bin 2507 ;; 2508esac 2509 2510extra_arflags_for_target= 2511extra_nmflags_for_target= 2512extra_ranlibflags_for_target= 2513target_makefile_frag=/dev/null 2514case "${target}" in 2515 spu-*-*) 2516 target_makefile_frag="config/mt-spu" 2517 ;; 2518 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2519 target_makefile_frag="config/mt-sde" 2520 ;; 2521 mipsisa*-*-elfoabi*) 2522 target_makefile_frag="config/mt-mips-elfoabi" 2523 ;; 2524 mips*-*-*linux* | mips*-*-gnu*) 2525 target_makefile_frag="config/mt-mips-gnu" 2526 ;; 2527 nios2-*-elf*) 2528 target_makefile_frag="config/mt-nios2-elf" 2529 ;; 2530 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2531 target_makefile_frag="config/mt-gnu" 2532 ;; 2533 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2534 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2535 # commands to handle both 32-bit and 64-bit objects. These flags are 2536 # harmless if we're using GNU nm or ar. 2537 extra_arflags_for_target=" -X32_64" 2538 extra_nmflags_for_target=" -B -X32_64" 2539 ;; 2540esac 2541 2542alphaieee_frag=/dev/null 2543case $target in 2544 alpha*-*-*) 2545 # This just makes sure to use the -mieee option to build target libs. 2546 # This should probably be set individually by each library. 2547 alphaieee_frag="config/mt-alphaieee" 2548 ;; 2549esac 2550 2551# If --enable-target-optspace always use -Os instead of -O2 to build 2552# the target libraries, similarly if it is not specified, use -Os 2553# on selected platforms. 2554ospace_frag=/dev/null 2555case "${enable_target_optspace}:${target}" in 2556 yes:*) 2557 ospace_frag="config/mt-ospace" 2558 ;; 2559 :d30v-*) 2560 ospace_frag="config/mt-d30v" 2561 ;; 2562 :m32r-* | :d10v-* | :fr30-*) 2563 ospace_frag="config/mt-ospace" 2564 ;; 2565 no:* | :*) 2566 ;; 2567 *) 2568 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2569 ;; 2570esac 2571 2572# Some systems (e.g., one of the i386-aix systems the gas testers are 2573# using) don't handle "\$" correctly, so don't use it here. 2574tooldir='${exec_prefix}'/${target_noncanonical} 2575build_tooldir=${tooldir} 2576 2577# Create a .gdbinit file which runs the one in srcdir 2578# and tells GDB to look there for source files. 2579 2580if test -r ${srcdir}/.gdbinit ; then 2581 case ${srcdir} in 2582 .) ;; 2583 *) cat > ./.gdbinit <<EOF 2584# ${NO_EDIT} 2585dir ${srcdir} 2586dir . 2587source ${srcdir}/.gdbinit 2588EOF 2589 ;; 2590 esac 2591fi 2592 2593# Make sure that the compiler is able to generate an executable. If it 2594# can't, we are probably in trouble. We don't care whether we can run the 2595# executable--we might be using a cross compiler--we only care whether it 2596# can be created. At this point the main configure script has set CC. 2597we_are_ok=no 2598echo "int main () { return 0; }" > conftest.c 2599${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2600if test $? = 0 ; then 2601 if test -s conftest || test -s conftest.exe ; then 2602 we_are_ok=yes 2603 fi 2604fi 2605case $we_are_ok in 2606 no) 2607 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2608 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2609 rm -f conftest* 2610 exit 1 2611 ;; 2612esac 2613rm -f conftest* 2614 2615# Decide which environment variable is used to find dynamic libraries. 2616case "${host}" in 2617 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2618 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2619 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2620 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2621esac 2622 2623# On systems where the dynamic library environment variable is PATH, 2624# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2625# built executables to PATH. 2626if test "$RPATH_ENVVAR" = PATH; then 2627 GCC_SHLIB_SUBDIR=/shlib 2628else 2629 GCC_SHLIB_SUBDIR= 2630fi 2631 2632# Adjust the toplevel makefile according to whether bootstrap was selected. 2633case $enable_bootstrap in 2634 yes) 2635 bootstrap_suffix=bootstrap 2636 BUILD_CONFIG=bootstrap-debug 2637 ;; 2638 no) 2639 bootstrap_suffix=no-bootstrap 2640 BUILD_CONFIG= 2641 ;; 2642esac 2643 2644AC_MSG_CHECKING(for default BUILD_CONFIG) 2645 2646AC_ARG_WITH([build-config], 2647 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2648 [use config/NAME.mk build configuration])], 2649 [case $with_build_config in 2650 yes) with_build_config= ;; 2651 no) with_build_config= BUILD_CONFIG= ;; 2652 esac]) 2653 2654if test "x${with_build_config}" != x; then 2655 BUILD_CONFIG=$with_build_config 2656else 2657 case $BUILD_CONFIG in 2658 bootstrap-debug) 2659 if echo "int f (void) { return 0; }" > conftest.c && 2660 ${CC} -c conftest.c && 2661 mv conftest.o conftest.o.g0 && 2662 ${CC} -c -g conftest.c && 2663 mv conftest.o conftest.o.g && 2664 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2665 : 2666 else 2667 BUILD_CONFIG= 2668 fi 2669 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2670 ;; 2671 esac 2672fi 2673AC_MSG_RESULT($BUILD_CONFIG) 2674AC_SUBST(BUILD_CONFIG) 2675 2676# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2677AC_MSG_CHECKING([for --enable-vtable-verify]) 2678AC_ARG_ENABLE(vtable-verify, 2679[ --enable-vtable-verify Enable vtable verification feature ], 2680[case "$enableval" in 2681 yes) enable_vtable_verify=yes ;; 2682 no) enable_vtable_verify=no ;; 2683 *) enable_vtable_verify=no;; 2684 esac], 2685[enable_vtable_verify=no]) 2686AC_MSG_RESULT($enable_vtable_verify) 2687 2688# Record target_configdirs and the configure arguments for target and 2689# build configuration in Makefile. 2690target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2691build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2692bootstrap_fixincludes=no 2693 2694# If we are building libgomp, bootstrap it. 2695if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2696 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2697fi 2698 2699# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2700# or bootstrap-ubsan, bootstrap it. 2701if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2702 case "$BUILD_CONFIG" in 2703 *bootstrap-asan* | *bootstrap-ubsan* ) 2704 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2705 bootstrap_fixincludes=yes 2706 ;; 2707 esac 2708fi 2709 2710# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2711if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2712 test "$enable_vtable_verify" != no; then 2713 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2714fi 2715 2716# If we are building libmpx, bootstrap it. 2717if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2718 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2719fi 2720 2721# Determine whether gdb needs tk/tcl or not. 2722# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2723# and in that case we want gdb to be built without tk. Ugh! 2724# In fact I believe gdb is the *only* package directly dependent on tk, 2725# so we should be able to put the 'maybe's in unconditionally and 2726# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2727# 100% sure that that's safe though. 2728 2729gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2730case "$enable_gdbtk" in 2731 no) 2732 GDB_TK="" ;; 2733 yes) 2734 GDB_TK="${gdb_tk}" ;; 2735 *) 2736 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2737 # distro. Eventually someone will fix this and move Insight, nee 2738 # gdbtk to a separate directory. 2739 if test -d ${srcdir}/gdb/gdbtk ; then 2740 GDB_TK="${gdb_tk}" 2741 else 2742 GDB_TK="" 2743 fi 2744 ;; 2745esac 2746CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2747INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2748 2749# Strip out unwanted targets. 2750 2751# While at that, we remove Makefiles if we were started for recursive 2752# configuration, so that the top-level Makefile reconfigures them, 2753# like we used to do when configure itself was recursive. 2754 2755# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2756# but now we're fixing up the Makefile ourselves with the additional 2757# commands passed to AC_CONFIG_FILES. Use separate variables 2758# extrasub-{build,host,target} not because there is any reason to split 2759# the substitutions up that way, but only to remain below the limit of 2760# 99 commands in a script, for HP-UX sed. 2761# Do not nest @if/@endif pairs, because configure will not warn you at all. 2762 2763case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2764 yes:yes:*\ gold\ *:*,c++,*) ;; 2765 yes:yes:*\ gold\ *:*) 2766 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2767 ;; 2768esac 2769 2770extrasub_build= 2771for module in ${build_configdirs} ; do 2772 if test -z "${no_recursion}" \ 2773 && test -f ${build_subdir}/${module}/Makefile; then 2774 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2775 rm -f ${build_subdir}/${module}/Makefile 2776 fi 2777 extrasub_build="$extrasub_build 2778/^@if build-$module\$/d 2779/^@endif build-$module\$/d 2780/^@if build-$module-$bootstrap_suffix\$/d 2781/^@endif build-$module-$bootstrap_suffix\$/d" 2782done 2783extrasub_host= 2784for module in ${configdirs} ; do 2785 if test -z "${no_recursion}"; then 2786 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2787 if test -f ${file}; then 2788 echo 1>&2 "*** removing ${file} to force reconfigure" 2789 rm -f ${file} 2790 fi 2791 done 2792 fi 2793 case ${module},${bootstrap_fixincludes} in 2794 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2795 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2796 esac 2797 extrasub_host="$extrasub_host 2798/^@if $module\$/d 2799/^@endif $module\$/d 2800/^@if $module-$host_bootstrap_suffix\$/d 2801/^@endif $module-$host_bootstrap_suffix\$/d" 2802done 2803extrasub_target= 2804for module in ${target_configdirs} ; do 2805 if test -z "${no_recursion}" \ 2806 && test -f ${target_subdir}/${module}/Makefile; then 2807 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2808 rm -f ${target_subdir}/${module}/Makefile 2809 fi 2810 2811 # We only bootstrap target libraries listed in bootstrap_target_libs. 2812 case $bootstrap_target_libs in 2813 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2814 *) target_bootstrap_suffix=no-bootstrap ;; 2815 esac 2816 2817 extrasub_target="$extrasub_target 2818/^@if target-$module\$/d 2819/^@endif target-$module\$/d 2820/^@if target-$module-$target_bootstrap_suffix\$/d 2821/^@endif target-$module-$target_bootstrap_suffix\$/d" 2822done 2823 2824# Do the final fixup along with target modules. 2825extrasub_target="$extrasub_target 2826/^@if /,/^@endif /d" 2827 2828# Create the serialization dependencies. This uses a temporary file. 2829 2830AC_ARG_ENABLE([serial-configure], 2831[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2832 [force sequential configuration of 2833 sub-packages for the host, target or build 2834 machine, or all sub-packages])]) 2835 2836case ${enable_serial_configure} in 2837 yes) 2838 enable_serial_build_configure=yes 2839 enable_serial_host_configure=yes 2840 enable_serial_target_configure=yes 2841 ;; 2842esac 2843 2844# These force 'configure's to be done one at a time, to avoid problems 2845# with contention over a shared config.cache. 2846rm -f serdep.tmp 2847echo '# serdep.tmp' > serdep.tmp 2848olditem= 2849test "x${enable_serial_build_configure}" = xyes && 2850for item in ${build_configdirs} ; do 2851 case ${olditem} in 2852 "") ;; 2853 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2854 esac 2855 olditem=${item} 2856done 2857olditem= 2858test "x${enable_serial_host_configure}" = xyes && 2859for item in ${configdirs} ; do 2860 case ${olditem} in 2861 "") ;; 2862 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2863 esac 2864 olditem=${item} 2865done 2866olditem= 2867test "x${enable_serial_target_configure}" = xyes && 2868for item in ${target_configdirs} ; do 2869 case ${olditem} in 2870 "") ;; 2871 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2872 esac 2873 olditem=${item} 2874done 2875serialization_dependencies=serdep.tmp 2876AC_SUBST_FILE(serialization_dependencies) 2877 2878# Base args. Strip norecursion, cache-file, srcdir, host, build, 2879# target, nonopt, and variable assignments. These are the ones we 2880# might not want to pass down to subconfigures. The exception being 2881# --cache-file=/dev/null, which is used to turn off the use of cache 2882# files altogether, and which should be passed on to subconfigures. 2883# Also strip program-prefix, program-suffix, and program-transform-name, 2884# so that we can pass down a consistent program-transform-name. 2885baseargs= 2886tbaseargs= 2887keep_next=no 2888skip_next=no 2889eval "set -- $ac_configure_args" 2890for ac_arg 2891do 2892 if test X"$skip_next" = X"yes"; then 2893 skip_next=no 2894 continue 2895 fi 2896 if test X"$keep_next" = X"yes"; then 2897 case $ac_arg in 2898 *\'*) 2899 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2900 esac 2901 baseargs="$baseargs '$ac_arg'" 2902 tbaseargs="$tbaseargs '$ac_arg'" 2903 keep_next=no 2904 continue 2905 fi 2906 2907 # Handle separated arguments. Based on the logic generated by 2908 # autoconf 2.59. 2909 case $ac_arg in 2910 *=* | --config-cache | -C | -disable-* | --disable-* \ 2911 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2912 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2913 | -with-* | --with-* | -without-* | --without-* | --x) 2914 separate_arg=no 2915 ;; 2916 -*) 2917 separate_arg=yes 2918 ;; 2919 *) 2920 separate_arg=no 2921 ;; 2922 esac 2923 2924 skip_targ=no 2925 case $ac_arg in 2926changequote(,) 2927 --with-* | --without-*) 2928 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2929 2930 case $libopt in 2931 *[-_]include) 2932 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2933 ;; 2934 *[-_]lib) 2935 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2936 ;; 2937 *) 2938 lib=$libopt 2939 ;; 2940 esac 2941changequote([,]) 2942 2943 case $lib in 2944 mpc | mpfr | gmp | isl) 2945 # If we're processing --with-$lib, --with-$lib-include or 2946 # --with-$lib-lib, for one of the libs above, and target is 2947 # different from host, don't pass the current argument to any 2948 # target library's configure. 2949 if test x$is_cross_compiler = xyes; then 2950 skip_targ=yes 2951 fi 2952 ;; 2953 esac 2954 ;; 2955 esac 2956 2957 case "$ac_arg" in 2958 --cache-file=/dev/null | \ 2959 -cache-file=/dev/null ) 2960 # Handled here to avoid the test to skip args below. 2961 baseargs="$baseargs '$ac_arg'" 2962 tbaseargs="$tbaseargs '$ac_arg'" 2963 # Assert: $separate_arg should always be no. 2964 keep_next=$separate_arg 2965 ;; 2966 --no*) 2967 continue 2968 ;; 2969 --c* | \ 2970 --sr* | \ 2971 --ho* | \ 2972 --bu* | \ 2973 --t* | \ 2974 --program-* | \ 2975 -cache_file* | \ 2976 -srcdir* | \ 2977 -host* | \ 2978 -build* | \ 2979 -target* | \ 2980 -program-prefix* | \ 2981 -program-suffix* | \ 2982 -program-transform-name* ) 2983 skip_next=$separate_arg 2984 continue 2985 ;; 2986 -*) 2987 # An option. Add it. 2988 case $ac_arg in 2989 *\'*) 2990 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2991 esac 2992 baseargs="$baseargs '$ac_arg'" 2993 if test X"$skip_targ" = Xno; then 2994 tbaseargs="$tbaseargs '$ac_arg'" 2995 fi 2996 keep_next=$separate_arg 2997 ;; 2998 *) 2999 # Either a variable assignment, or a nonopt (triplet). Don't 3000 # pass it down; let the Makefile handle this. 3001 continue 3002 ;; 3003 esac 3004done 3005# Remove the initial space we just introduced and, as these will be 3006# expanded by make, quote '$'. 3007baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3008 3009# Add in --program-transform-name, after --program-prefix and 3010# --program-suffix have been applied to it. Autoconf has already 3011# doubled dollar signs and backslashes in program_transform_name; we want 3012# the backslashes un-doubled, and then the entire thing wrapped in single 3013# quotes, because this will be expanded first by make and then by the shell. 3014# Also, because we want to override the logic in subdir configure scripts to 3015# choose program_transform_name, replace any s,x,x, with s,y,y,. 3016sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3017${program_transform_name} 3018EOF_SED 3019gcc_transform_name=`cat conftestsed.out` 3020rm -f conftestsed.out 3021baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3022tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3023if test "$silent" = yes; then 3024 baseargs="$baseargs --silent" 3025 tbaseargs="$tbaseargs --silent" 3026fi 3027baseargs="$baseargs --disable-option-checking" 3028tbaseargs="$tbaseargs --disable-option-checking" 3029 3030# Record and document user additions to sub configure arguments. 3031AC_ARG_VAR([build_configargs], 3032 [additional configure arguments for build directories]) 3033AC_ARG_VAR([host_configargs], 3034 [additional configure arguments for host directories]) 3035AC_ARG_VAR([target_configargs], 3036 [additional configure arguments for target directories]) 3037 3038# For the build-side libraries, we just need to pretend we're native, 3039# and not use the same cache file. Multilibs are neither needed nor 3040# desired. We can't even use the same cache file for all build-side 3041# libraries, as they're compiled differently; some with C, some with 3042# C++ or with different feature-enabling options. 3043build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3044 3045# For host modules, accept cache file option, or specification as blank. 3046case "${cache_file}" in 3047"") # empty 3048 cache_file_option="" ;; 3049/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3050 cache_file_option="--cache-file=${cache_file}" ;; 3051*) # relative path 3052 cache_file_option="--cache-file=../${cache_file}" ;; 3053esac 3054 3055# Host dirs don't like to share a cache file either, horribly enough. 3056# This seems to be due to autoconf 2.5x stupidity. 3057host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3058 3059target_configargs="$target_configargs ${tbaseargs}" 3060 3061# Passing a --with-cross-host argument lets the target libraries know 3062# whether they are being built with a cross-compiler or being built 3063# native. However, it would be better to use other mechanisms to make the 3064# sorts of decisions they want to make on this basis. Please consider 3065# this option to be deprecated. FIXME. 3066if test x${is_cross_compiler} = xyes ; then 3067 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3068fi 3069 3070# Special user-friendly check for native x86_64-linux build, if 3071# multilib is not explicitly enabled. 3072case "$target:$have_compiler:$host:$target:$enable_multilib" in 3073 x86_64-*linux*:yes:$build:$build:) 3074 # Make sure we have a developement environment that handles 32-bit 3075 dev64=no 3076 echo "int main () { return 0; }" > conftest.c 3077 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3078 if test $? = 0 ; then 3079 if test -s conftest || test -s conftest.exe ; then 3080 dev64=yes 3081 fi 3082 fi 3083 rm -f conftest* 3084 if test x${dev64} != xyes ; then 3085 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3086 fi 3087 ;; 3088esac 3089 3090# Default to --enable-multilib. 3091if test x${enable_multilib} = x ; then 3092 target_configargs="--enable-multilib ${target_configargs}" 3093fi 3094 3095# Pass --with-newlib if appropriate. Note that target_configdirs has 3096# changed from the earlier setting of with_newlib. 3097if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3098 target_configargs="--with-newlib ${target_configargs}" 3099fi 3100 3101# Different target subdirs use different values of certain variables 3102# (notably CXX). Worse, multilibs use *lots* of different values. 3103# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3104# it doesn't automatically accept command-line overrides of them. 3105# This means it's not safe for target subdirs to share a cache file, 3106# which is disgusting, but there you have it. Hopefully this can be 3107# fixed in future. It's still worthwhile to use a cache file for each 3108# directory. I think. 3109 3110# Pass the appropriate --build, --host, --target and --cache-file arguments. 3111# We need to pass --target, as newer autoconf's requires consistency 3112# for target_alias and gcc doesn't manage it consistently. 3113target_configargs="--cache-file=./config.cache ${target_configargs}" 3114 3115FLAGS_FOR_TARGET= 3116case " $target_configdirs " in 3117 *" newlib "*) 3118 case " $target_configargs " in 3119 *" --with-newlib "*) 3120 case "$target" in 3121 *-cygwin*) 3122 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3123 ;; 3124 esac 3125 3126 # If we're not building GCC, don't discard standard headers. 3127 if test -d ${srcdir}/gcc; then 3128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3129 3130 if test "${build}" != "${host}"; then 3131 # On Canadian crosses, CC_FOR_TARGET will have already been set 3132 # by `configure', so we won't have an opportunity to add -Bgcc/ 3133 # to it. This is right: we don't want to search that directory 3134 # for binaries, but we want the header files in there, so add 3135 # them explicitly. 3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3137 3138 # Someone might think of using the pre-installed headers on 3139 # Canadian crosses, in case the installed compiler is not fully 3140 # compatible with the compiler being built. In this case, it 3141 # would be better to flag an error than risking having 3142 # incompatible object files being constructed. We can't 3143 # guarantee that an error will be flagged, but let's hope the 3144 # compiler will do it, when presented with incompatible header 3145 # files. 3146 fi 3147 fi 3148 3149 case "${target}-${is_cross_compiler}" in 3150 i[[3456789]]86-*-linux*-no) 3151 # Here host == target, so we don't need to build gcc, 3152 # so we don't want to discard standard headers. 3153 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3154 ;; 3155 *) 3156 # If we're building newlib, use its generic headers last, but search 3157 # for any libc-related directories first (so make it the last -B 3158 # switch). 3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3160 3161 # If we're building libgloss, find the startup file, simulator library 3162 # and linker script. 3163 case " $target_configdirs " in 3164 *" libgloss "*) 3165 # Look for startup file, simulator library and maybe linker script. 3166 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3167 # Look for libnosys.a in case the target needs it. 3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3169 # Most targets have the linker script in the source directory. 3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3171 ;; 3172 esac 3173 ;; 3174 esac 3175 ;; 3176 esac 3177 ;; 3178esac 3179 3180case "$target" in 3181 x86_64-*mingw* | *-w64-mingw*) 3182 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3183 # however, use a symlink named 'mingw' in ${prefix} . 3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3185 ;; 3186 *-mingw*) 3187 # MinGW can't be handled as Cygwin above since it does not use newlib. 3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3189 ;; 3190esac 3191 3192# Allow the user to override the flags for 3193# our build compiler if desired. 3194if test x"${build}" = x"${host}" ; then 3195 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3196 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3197 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3198fi 3199 3200# On Canadian crosses, we'll be searching the right directories for 3201# the previously-installed cross compiler, so don't bother to add 3202# flags for directories within the install tree of the compiler 3203# being built; programs in there won't even run. 3204if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3205 # Search for pre-installed headers if nothing else fits. 3206 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3207fi 3208 3209if test "x${use_gnu_ld}" = x && 3210 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3211 # Arrange for us to find uninstalled linker scripts. 3212 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3213fi 3214 3215# Search for other target-specific linker scripts and such. 3216case "${target}" in 3217 mep*) 3218 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3219 ;; 3220esac 3221 3222# Makefile fragments. 3223for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3224do 3225 eval fragval=\$$frag 3226 if test $fragval != /dev/null; then 3227 eval $frag=${srcdir}/$fragval 3228 fi 3229done 3230AC_SUBST_FILE(host_makefile_frag) 3231AC_SUBST_FILE(target_makefile_frag) 3232AC_SUBST_FILE(alphaieee_frag) 3233AC_SUBST_FILE(ospace_frag) 3234 3235# Miscellanea: directories, flags, etc. 3236AC_SUBST(RPATH_ENVVAR) 3237AC_SUBST(GCC_SHLIB_SUBDIR) 3238AC_SUBST(tooldir) 3239AC_SUBST(build_tooldir) 3240AC_SUBST(CONFIGURE_GDB_TK) 3241AC_SUBST(GDB_TK) 3242AC_SUBST(INSTALL_GDB_TK) 3243 3244# Build module lists & subconfigure args. 3245AC_SUBST(build_configargs) 3246AC_SUBST(build_configdirs) 3247 3248# Host module lists & subconfigure args. 3249AC_SUBST(host_configargs) 3250AC_SUBST(configdirs) 3251AC_SUBST(target_configdirs) 3252 3253# Target module lists & subconfigure args. 3254AC_SUBST(target_configargs) 3255 3256 3257# Build tools. 3258AC_SUBST(AR_FOR_BUILD) 3259AC_SUBST(AS_FOR_BUILD) 3260AC_SUBST(CC_FOR_BUILD) 3261AC_SUBST(CFLAGS_FOR_BUILD) 3262AC_SUBST(CXXFLAGS_FOR_BUILD) 3263AC_SUBST(CXX_FOR_BUILD) 3264AC_SUBST(DLLTOOL_FOR_BUILD) 3265AC_SUBST(GCJ_FOR_BUILD) 3266AC_SUBST(GFORTRAN_FOR_BUILD) 3267AC_SUBST(GOC_FOR_BUILD) 3268AC_SUBST(LDFLAGS_FOR_BUILD) 3269AC_SUBST(LD_FOR_BUILD) 3270AC_SUBST(NM_FOR_BUILD) 3271AC_SUBST(RANLIB_FOR_BUILD) 3272AC_SUBST(WINDMC_FOR_BUILD) 3273AC_SUBST(WINDRES_FOR_BUILD) 3274 3275# Generate default definitions for YACC, M4, LEX and other programs that run 3276# on the build machine. These are used if the Makefile can't locate these 3277# programs in objdir. 3278MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3279 3280AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3281case " $build_configdirs " in 3282 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3283esac 3284 3285AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3286case " $build_configdirs " in 3287 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3288esac 3289 3290AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3291case " $build_configdirs " in 3292 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3293esac 3294 3295AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3296case " $build_configdirs " in 3297 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3298 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3299esac 3300 3301AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3302case " $build_configdirs " in 3303 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3304esac 3305 3306AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3307case " $build_configdirs " in 3308 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3309 *) 3310changequote(,) 3311 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3312 # higher, else we use the "missing" dummy. 3313 if ${MAKEINFO} --version \ 3314 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3315 : 3316 else 3317 MAKEINFO="$MISSING makeinfo" 3318 fi 3319 ;; 3320changequote([,]) 3321esac 3322 3323# FIXME: expect and dejagnu may become build tools? 3324 3325AC_CHECK_PROGS(EXPECT, expect, expect) 3326case " $configdirs " in 3327 *" expect "*) 3328 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3329 ;; 3330esac 3331 3332AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3333case " $configdirs " in 3334 *" dejagnu "*) 3335 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3336 ;; 3337esac 3338 3339 3340# Host tools. 3341NCN_STRICT_CHECK_TOOLS(AR, ar) 3342NCN_STRICT_CHECK_TOOLS(AS, as) 3343NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3344NCN_STRICT_CHECK_TOOLS(LD, ld) 3345NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3346NCN_STRICT_CHECK_TOOLS(NM, nm) 3347NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3348NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3349NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3350NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3351NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3352NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3353NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3354AC_SUBST(CC) 3355AC_SUBST(CXX) 3356AC_SUBST(CFLAGS) 3357AC_SUBST(CXXFLAGS) 3358 3359# Target tools. 3360AC_ARG_WITH([build-time-tools], 3361 [AS_HELP_STRING([--with-build-time-tools=PATH], 3362 [use given path to find target tools during the build])], 3363 [case x"$withval" in 3364 x/*) ;; 3365 *) 3366 with_build_time_tools= 3367 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3368 ;; 3369 esac], 3370 [with_build_time_tools=]) 3371 3372NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3373NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3374NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3375NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3376NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3377NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3378 3379ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3380ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3381ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3382ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3383ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3384ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3385ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3386ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3387ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3388ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3389ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3390ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3391ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3392 3393RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3394 3395GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3396GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3397GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3398dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3399GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3400 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3401 c++) 3402GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3403 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3404 c++) 3405GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3406GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3407GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3408 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3409GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3410 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3411GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3412 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3413GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3414GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3415GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3416GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3417GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3418GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3419GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3420GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3421GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3422GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3423 3424AC_SUBST(FLAGS_FOR_TARGET) 3425AC_SUBST(RAW_CXX_FOR_TARGET) 3426 3427# Certain tools may need extra flags. 3428AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3429RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3430NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3431 3432# When building target libraries, except in a Canadian cross, we use 3433# the same toolchain as the compiler we just built. 3434COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3435COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3436COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3437if test $host = $build; then 3438 case " $configdirs " in 3439 *" gcc "*) 3440 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3441 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3442 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3443 ;; 3444 esac 3445fi 3446 3447AC_SUBST(COMPILER_AS_FOR_TARGET) 3448AC_SUBST(COMPILER_LD_FOR_TARGET) 3449AC_SUBST(COMPILER_NM_FOR_TARGET) 3450 3451AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3452AC_ARG_ENABLE(maintainer-mode, 3453[AS_HELP_STRING([--enable-maintainer-mode], 3454 [enable make rules and dependencies not useful 3455 (and sometimes confusing) to the casual installer])], 3456 USE_MAINTAINER_MODE=$enableval, 3457 USE_MAINTAINER_MODE=no) 3458AC_MSG_RESULT($USE_MAINTAINER_MODE) 3459AC_SUBST(MAINTAINER_MODE_TRUE) 3460AC_SUBST(MAINTAINER_MODE_FALSE) 3461if test "$USE_MAINTAINER_MODE" = yes; then 3462 MAINTAINER_MODE_TRUE= 3463 MAINTAINER_MODE_FALSE='#' 3464else 3465 MAINTAINER_MODE_TRUE='#' 3466 MAINTAINER_MODE_FALSE= 3467fi 3468MAINT=$MAINTAINER_MODE_TRUE 3469AC_SUBST(MAINT)dnl 3470 3471# --------------------- 3472# GCC bootstrap support 3473# --------------------- 3474 3475# Stage specific cflags for build. 3476stage1_cflags="-g" 3477case $build in 3478 vax-*-*) 3479 case ${GCC} in 3480 yes) stage1_cflags="-g -Wa,-J" ;; 3481 *) stage1_cflags="-g -J" ;; 3482 esac ;; 3483esac 3484 3485AC_SUBST(stage1_cflags) 3486 3487# Enable --enable-checking in stage1 of the compiler. 3488AC_ARG_ENABLE(stage1-checking, 3489[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3490 [choose additional checking for stage1 of the compiler])], 3491[stage1_checking=--enable-checking=${enable_stage1_checking}], 3492[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3493 # For --disable-checking or implicit --enable-checking=release, avoid 3494 # setting --enable-checking=gc in the default stage1 checking for LTO 3495 # bootstraps. See PR62077. 3496 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3497 case $BUILD_CONFIG in 3498 *lto*) 3499 if test "x$enable_checking" = x && \ 3500 test -d ${srcdir}/gcc && \ 3501 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3502 stage1_checking=--enable-checking=yes,types 3503 fi;; 3504 *) stage1_checking=--enable-checking=yes,types;; 3505 esac 3506else 3507 stage1_checking=--enable-checking=$enable_checking,types 3508fi]) 3509AC_SUBST(stage1_checking) 3510 3511# Enable -Werror in bootstrap stage2 and later. 3512AC_ARG_ENABLE(werror, 3513[AS_HELP_STRING([--enable-werror], 3514 [enable -Werror in bootstrap stage2 and later])], [], 3515[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3516 enable_werror=yes 3517else 3518 enable_werror=no 3519fi]) 3520case ${enable_werror} in 3521 yes) stage2_werror_flag="--enable-werror-always" ;; 3522 *) stage2_werror_flag="" ;; 3523esac 3524AC_SUBST(stage2_werror_flag) 3525 3526# Enable --enable-host-shared. 3527AC_ARG_ENABLE(host-shared, 3528[AS_HELP_STRING([--enable-host-shared], 3529 [build host code as shared libraries])], 3530[host_shared=$enableval], [host_shared=no]) 3531AC_SUBST(host_shared) 3532 3533# PR jit/64780: Require the user to explicitly specify 3534# --enable-host-shared if the jit is enabled, hinting 3535# that they might want to do a separate configure/build of 3536# the jit, to avoid users from slowing down the rest of the 3537# compiler by enabling the jit. 3538if test ${host_shared} = "no" ; then 3539 case "${enable_languages}" in 3540 *jit*) 3541 AC_MSG_ERROR([ 3542Enabling language "jit" requires --enable-host-shared. 3543 3544--enable-host-shared typically slows the rest of the compiler down by 3545a few %, so you must explicitly enable it. 3546 3547If you want to build both the jit and the regular compiler, it is often 3548best to do this via two separate configure/builds, in separate 3549directories, to avoid imposing the performance cost of 3550--enable-host-shared on the regular compiler.]) 3551 ;; 3552 *) 3553 ;; 3554 esac 3555fi 3556 3557# Specify what files to not compare during bootstrap. 3558 3559compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3560case "$target" in 3561 hppa*64*-*-hpux*) ;; 3562 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3563 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3564esac 3565AC_SUBST(compare_exclusions) 3566 3567AC_CONFIG_FILES([Makefile], 3568 [sed "$extrasub_build" Makefile | 3569 sed "$extrasub_host" | 3570 sed "$extrasub_target" > mf$$ 3571 mv -f mf$$ Makefile], 3572 [extrasub_build="$extrasub_build" 3573 extrasub_host="$extrasub_host" 3574 extrasub_target="$extrasub_target"]) 3575AC_OUTPUT 3576