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, 2016 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= 248AC_ARG_WITH(system-zlib, 249[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 250# Make sure we don't let ZLIB be added if we didn't want it. 251if test x$with_system_zlib = xyes ; then 252 use_included_zlib=no 253 noconfigdirs="$noconfigdirs zlib" 254fi 255 256# some tools are so dependent upon X11 that if we're not building with X, 257# it's not even worth trying to configure, much less build, that tool. 258 259case ${with_x} in 260 yes | "") ;; # the default value for this tree is that X11 is available 261 no) 262 skipdirs="${skipdirs} tk itcl libgui" 263 # We won't be able to build gdbtk without X. 264 enable_gdbtk=no 265 ;; 266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 267esac 268 269# Some are only suitable for cross toolchains. 270# Remove these if host=target. 271cross_only="target-libgloss target-newlib target-opcodes" 272 273case $is_cross_compiler in 274 no) skipdirs="${skipdirs} ${cross_only}" ;; 275esac 276 277# If both --with-headers and --with-libs are specified, default to 278# --without-newlib. 279if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 281 if test x"${with_newlib}" = x ; then 282 with_newlib=no 283 fi 284fi 285 286# Recognize --with-newlib/--without-newlib. 287case ${with_newlib} in 288 no) skipdirs="${skipdirs} target-newlib" ;; 289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 290esac 291 292AC_ARG_ENABLE(as-accelerator-for, 293[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 294 [build as offload target compiler. 295 Specify offload host triple by ARG])]) 296 297AC_ARG_ENABLE(offload-targets, 298[AS_HELP_STRING([--enable-offload-targets=LIST], 299 [enable offloading to devices from comma-separated LIST of 300 TARGET[=DIR]. Use optional path to find offload target compiler 301 during the build])], 302[ 303 if test x"$enable_offload_targets" = x; then 304 AC_MSG_ERROR([no offload targets specified]) 305 fi 306], [enable_offload_targets=]) 307 308# Handle --enable-gold, --enable-ld. 309# --disable-gold [--enable-ld] 310# Build only ld. Default option. 311# --enable-gold [--enable-ld] 312# Build both gold and ld. Install gold as "ld.gold", install ld 313# as "ld.bfd" and "ld". 314# --enable-gold=default [--enable-ld] 315# Build both gold and ld. Install gold as "ld.gold" and "ld", 316# install ld as "ld.bfd". 317# --enable-gold[=default] --disable-ld 318# Build only gold, which is then installed as both "ld.gold" and "ld". 319# --enable-gold --enable-ld=default 320# Build both gold (installed as "ld.gold") and ld (installed as "ld" 321# and ld.bfd). 322# In other words, ld is default 323# --enable-gold=default --enable-ld=default 324# Error. 325 326default_ld= 327AC_ARG_ENABLE(gold, 328[AS_HELP_STRING([[--enable-gold[=ARG]]], 329 [build gold @<:@ARG={default,yes,no}@:>@])], 330ENABLE_GOLD=$enableval, 331ENABLE_GOLD=no) 332case "${ENABLE_GOLD}" in 333 yes|default) 334 # Check for ELF target. 335 is_elf=no 336 case "${target}" in 337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 340 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 341 case "${target}" in 342 *-*-linux*aout* | *-*-linux*oldld*) 343 ;; 344 *) 345 is_elf=yes 346 ;; 347 esac 348 esac 349 350 if test "$is_elf" = "yes"; then 351 # Check for target supported by gold. 352 case "${target}" in 353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 354 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 355 configdirs="$configdirs gold" 356 if test x${ENABLE_GOLD} = xdefault; then 357 default_ld=gold 358 fi 359 ENABLE_GOLD=yes 360 ;; 361 esac 362 fi 363 ;; 364 no) 365 ;; 366 *) 367 AC_MSG_ERROR([invalid --enable-gold argument]) 368 ;; 369esac 370 371AC_ARG_ENABLE(ld, 372[AS_HELP_STRING([[--enable-ld[=ARG]]], 373 [build ld @<:@ARG={default,yes,no}@:>@])], 374ENABLE_LD=$enableval, 375ENABLE_LD=yes) 376 377case "${ENABLE_LD}" in 378 default) 379 if test x${default_ld} != x; then 380 AC_MSG_ERROR([either gold or ld can be the default ld]) 381 fi 382 ;; 383 yes) 384 ;; 385 no) 386 if test x${ENABLE_GOLD} != xyes; then 387 AC_MSG_WARN([neither ld nor gold are enabled]) 388 fi 389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 390 ;; 391 *) 392 AC_MSG_ERROR([invalid --enable-ld argument]) 393 ;; 394esac 395 396# PR gas/19109 397# Decide the default method for compressing debug sections. 398# Provide a configure time option to override our default. 399AC_ARG_ENABLE(compressed_debug_sections, 400[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 401 [Enable compressed debug sections for gas, gold or ld by 402 default])], 403[ 404 if test x"$enable_compressed_debug_sections" = xyes; then 405 AC_MSG_ERROR([no program with compressed debug sections specified]) 406 fi 407], [enable_compressed_debug_sections=]) 408 409# Configure extra directories which are host specific 410 411case "${host}" in 412 *-cygwin*) 413 configdirs="$configdirs libtermcap" ;; 414esac 415 416# A target can indicate whether a language isn't supported for some reason. 417# Only spaces may be used in this macro; not newlines or tabs. 418unsupported_languages= 419 420# Remove more programs from consideration, based on the host or 421# target this usually means that a port of the program doesn't 422# exist yet. 423 424case "${host}" in 425 i[[3456789]]86-*-msdosdjgpp*) 426 noconfigdirs="$noconfigdirs tcl tk itcl" 427 ;; 428esac 429 430 431AC_ARG_ENABLE(libquadmath, 432AS_HELP_STRING([--disable-libquadmath], 433 [do not build libquadmath directory]), 434ENABLE_LIBQUADMATH=$enableval, 435ENABLE_LIBQUADMATH=yes) 436if test "${ENABLE_LIBQUADMATH}" = "no" ; then 437 noconfigdirs="$noconfigdirs target-libquadmath" 438fi 439 440 441AC_ARG_ENABLE(libquadmath-support, 442AS_HELP_STRING([--disable-libquadmath-support], 443 [disable libquadmath support for Fortran]), 444ENABLE_LIBQUADMATH_SUPPORT=$enableval, 445ENABLE_LIBQUADMATH_SUPPORT=yes) 446enable_libquadmath_support= 447if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 448 enable_libquadmath_support=no 449fi 450 451 452AC_ARG_ENABLE(libada, 453[AS_HELP_STRING([--enable-libada], [build libada directory])], 454ENABLE_LIBADA=$enableval, 455ENABLE_LIBADA=yes) 456if test "${ENABLE_LIBADA}" != "yes" ; then 457 noconfigdirs="$noconfigdirs gnattools" 458fi 459 460AC_ARG_ENABLE(libssp, 461[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 462ENABLE_LIBSSP=$enableval, 463ENABLE_LIBSSP=yes) 464 465AC_ARG_ENABLE(libstdcxx, 466AS_HELP_STRING([--disable-libstdcxx], 467 [do not build libstdc++-v3 directory]), 468ENABLE_LIBSTDCXX=$enableval, 469ENABLE_LIBSTDCXX=default) 470[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 471 noconfigdirs="$noconfigdirs target-libstdc++-v3" 472fi] 473 474# If this is accelerator compiler and its target is intelmic we enable 475# target liboffloadmic by default. If this is compiler with offloading 476# for intelmic we enable host liboffloadmic by default. Otherwise 477# liboffloadmic is disabled by default. 478AC_ARG_ENABLE([liboffloadmic], 479AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 481[case "$enableval" in 482 no | host | target) 483 enable_liboffloadmic=$enableval ;; 484 *) 485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 486esac], 487[if test x"$enable_as_accelerator_for" != x; then 488 case "${target}" in 489 *-intelmic-* | *-intelmicemul-*) 490 enable_liboffloadmic=target 491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 492 ;; 493 *) 494 enable_liboffloadmic=no 495 ;; 496 esac 497else 498 case "${enable_offload_targets}" in 499 *-intelmic-* | *-intelmicemul-*) 500 enable_liboffloadmic=host 501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 502 ;; 503 *) 504 enable_liboffloadmic=no 505 ;; 506 esac 507fi]) 508AC_SUBST(extra_liboffloadmic_configure_flags) 509 510# Save it here so that, even in case of --enable-libgcj, if the Java 511# front-end isn't enabled, we still get libgcj disabled. 512libgcj_saved=$libgcj 513case $enable_libgcj in 514yes) 515 # If we reset it here, it won't get added to noconfigdirs in the 516 # target-specific build rules, so it will be forcibly enabled 517 # (unless the Java language itself isn't enabled). 518 libgcj= 519 ;; 520no) 521 # Make sure we get it printed in the list of not supported target libs. 522 # Don't disable libffi, though, other languages use it. 523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 524 # Clear libgcj_saved so that even if java is enabled libffi won't be 525 # built. 526 libgcj_saved= 527 ;; 528esac 529 530AC_ARG_ENABLE(static-libjava, 531[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 532 [build static libjava @<:@default=no@:>@])], 533ENABLE_STATIC_LIBJAVA=$enableval, 534ENABLE_STATIC_LIBJAVA=no) 535enable_static_libjava= 536if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 537 enable_static_libjava=yes 538fi 539 540if test x$enable_static_libjava != xyes ; then 541 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 542fi 543AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 544 545# Enable libgomp by default on hosted POSIX systems, and a few others. 546if test x$enable_libgomp = x ; then 547 case "${target}" in 548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 549 ;; 550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 551 ;; 552 *-*-solaris2* | *-*-hpux11*) 553 ;; 554 *-*-darwin* | *-*-aix*) 555 ;; 556 nvptx*-*-*) 557 ;; 558 *) 559 noconfigdirs="$noconfigdirs target-libgomp" 560 ;; 561 esac 562fi 563 564# Disable libatomic on unsupported systems. 565if test -d ${srcdir}/libatomic; then 566 if test x$enable_libatomic = x; then 567 AC_MSG_CHECKING([for libatomic support]) 568 if (srcdir=${srcdir}/libatomic; \ 569 . ${srcdir}/configure.tgt; \ 570 test -n "$UNSUPPORTED") 571 then 572 AC_MSG_RESULT([no]) 573 noconfigdirs="$noconfigdirs target-libatomic" 574 else 575 AC_MSG_RESULT([yes]) 576 fi 577 fi 578fi 579 580# Disable libcilkrts on unsupported systems. 581if test -d ${srcdir}/libcilkrts; then 582 if test x$enable_libcilkrts = x; then 583 AC_MSG_CHECKING([for libcilkrts support]) 584 if (srcdir=${srcdir}/libcilkrts; \ 585 . ${srcdir}/configure.tgt; \ 586 test -n "$UNSUPPORTED") 587 then 588 AC_MSG_RESULT([no]) 589 noconfigdirs="$noconfigdirs target-libcilkrts" 590 else 591 AC_MSG_RESULT([yes]) 592 fi 593 fi 594fi 595 596# Disable liboffloadmic on unsupported systems. 597if test -d ${srcdir}/liboffloadmic; then 598 if test x$enable_liboffloadmic != xno; then 599 AC_MSG_CHECKING([for liboffloadmic support]) 600 if (srcdir=${srcdir}/liboffloadmic; \ 601 . ${srcdir}/configure.tgt; \ 602 test -n "$UNSUPPORTED") 603 then 604 AC_MSG_RESULT([no]) 605 noconfigdirs="$noconfigdirs target-liboffloadmic" 606 else 607 AC_MSG_RESULT([yes]) 608 fi 609 fi 610fi 611 612# Disable libitm on unsupported systems. 613if test -d ${srcdir}/libitm; then 614 if test x$enable_libitm = x; then 615 AC_MSG_CHECKING([for libitm support]) 616 if (srcdir=${srcdir}/libitm; \ 617 . ${srcdir}/configure.tgt; \ 618 test -n "$UNSUPPORTED") 619 then 620 AC_MSG_RESULT([no]) 621 noconfigdirs="$noconfigdirs target-libitm" 622 else 623 AC_MSG_RESULT([yes]) 624 fi 625 fi 626fi 627 628# Disable libsanitizer on unsupported systems. 629if test -d ${srcdir}/libsanitizer; then 630 if test x$enable_libsanitizer = x; then 631 AC_MSG_CHECKING([for libsanitizer support]) 632 if (srcdir=${srcdir}/libsanitizer; \ 633 . ${srcdir}/configure.tgt; \ 634 test -n "$UNSUPPORTED") 635 then 636 AC_MSG_RESULT([no]) 637 noconfigdirs="$noconfigdirs target-libsanitizer" 638 else 639 AC_MSG_RESULT([yes]) 640 fi 641 fi 642fi 643 644# Disable libvtv on unsupported systems. 645if test -d ${srcdir}/libvtv; then 646 if test x$enable_libvtv = x; then 647 AC_MSG_CHECKING([for libvtv support]) 648 if (srcdir=${srcdir}/libvtv; \ 649 . ${srcdir}/configure.tgt; \ 650 test "$VTV_SUPPORTED" != "yes") 651 then 652 AC_MSG_RESULT([no]) 653 noconfigdirs="$noconfigdirs target-libvtv" 654 else 655 AC_MSG_RESULT([yes]) 656 fi 657 fi 658fi 659 660 661# Enable libmpx on supported systems by request. 662if test -d ${srcdir}/libmpx; then 663 if test x$enable_libmpx = x; then 664 AC_MSG_CHECKING([for libmpx support]) 665 if (srcdir=${srcdir}/libmpx; \ 666 . ${srcdir}/configure.tgt; \ 667 test "$LIBMPX_SUPPORTED" != "yes") 668 then 669 AC_MSG_RESULT([no]) 670 noconfigdirs="$noconfigdirs target-libmpx" 671 else 672 AC_MSG_RESULT([yes]) 673 fi 674 fi 675fi 676 677 678 679# Disable libquadmath for some systems. 680case "${target}" in 681 avr-*-*) 682 noconfigdirs="$noconfigdirs target-libquadmath" 683 ;; 684 # libquadmath is unused on AIX and libquadmath build process use of 685 # LD_LIBRARY_PATH can break AIX bootstrap. 686 powerpc-*-aix* | rs6000-*-aix*) 687 noconfigdirs="$noconfigdirs target-libquadmath" 688 ;; 689esac 690 691# Disable libssp for some systems. 692case "${target}" in 693 avr-*-*) 694 # No hosted I/O support. 695 noconfigdirs="$noconfigdirs target-libssp" 696 ;; 697 powerpc-*-aix* | rs6000-*-aix*) 698 noconfigdirs="$noconfigdirs target-libssp" 699 ;; 700 rl78-*-*) 701 # libssp uses a misaligned load to trigger a fault, but the RL78 702 # doesn't fault for those - instead, it gives a build-time error 703 # for explicit misaligned loads. 704 noconfigdirs="$noconfigdirs target-libssp" 705 ;; 706 visium-*-*) 707 # No hosted I/O support. 708 noconfigdirs="$noconfigdirs target-libssp" 709 ;; 710esac 711 712# Disable libstdc++-v3 for some systems. 713# Allow user to override this if they pass --enable-libstdc++-v3 714if test "${ENABLE_LIBSTDCXX}" = "default" ; then 715 case "${target}" in 716 *-*-vxworks*) 717 # VxWorks uses the Dinkumware C++ library. 718 noconfigdirs="$noconfigdirs target-libstdc++-v3" 719 ;; 720 arm*-wince-pe*) 721 # the C++ libraries don't build on top of CE's C libraries 722 noconfigdirs="$noconfigdirs target-libstdc++-v3" 723 ;; 724 avr-*-*) 725 noconfigdirs="$noconfigdirs target-libstdc++-v3" 726 ;; 727 ft32-*-*) 728 noconfigdirs="$noconfigdirs target-libstdc++-v3" 729 ;; 730 esac 731fi 732 733# Disable Fortran for some systems. 734case "${target}" in 735 mmix-*-*) 736 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 737 unsupported_languages="$unsupported_languages fortran" 738 ;; 739esac 740 741# Disable Java if libffi is not supported. 742case "${target}" in 743 aarch64-*-*) 744 ;; 745 alpha*-*-*) 746 ;; 747 arm*-*-*) 748 ;; 749 cris-*-*) 750 ;; 751 frv-*-*) 752 ;; 753 hppa*-*-linux*) 754 ;; 755 hppa*-*-hpux*) 756 ;; 757 i?86-*-*) 758 ;; 759 ia64*-*-*) 760 ;; 761 m32r*-*-*) 762 ;; 763 m68k-*-*) 764 ;; 765 mips*-*-rtems*) 766 ;; 767 mips*-*-linux*) 768 ;; 769 powerpc*-*-linux*) 770 ;; 771 powerpc-*-darwin*) 772 ;; 773 powerpc-*-aix* | rs6000-*-aix*) 774 ;; 775 powerpc-*-freebsd*) 776 ;; 777 powerpc64-*-freebsd*) 778 ;; 779 powerpc*-*-rtems*) 780 ;; 781 s390-*-* | s390x-*-*) 782 ;; 783 sh-*-* | sh[[34]]*-*-*) 784 ;; 785 sh64-*-* | sh5*-*-*) 786 ;; 787 sparc*-*-*) 788 ;; 789 x86_64-*-*) 790 ;; 791 *-*-*) 792 unsupported_languages="$unsupported_languages java" 793 ;; 794esac 795 796# Disable Java, libgcj or related libraries for some systems. 797case "${target}" in 798 powerpc-*-darwin*) 799 ;; 800 i[[3456789]]86-*-darwin*) 801 ;; 802 x86_64-*-darwin[[912]]*) 803 ;; 804 *-*-darwin*) 805 noconfigdirs="$noconfigdirs ${libgcj}" 806 ;; 807 *-*-netware*) 808 noconfigdirs="$noconfigdirs ${libgcj}" 809 ;; 810 *-*-rtems*) 811 noconfigdirs="$noconfigdirs ${libgcj}" 812 ;; 813 *-*-tpf*) 814 noconfigdirs="$noconfigdirs ${libgcj}" 815 ;; 816 *-*-uclinux*) 817 noconfigdirs="$noconfigdirs ${libgcj}" 818 ;; 819 *-*-vxworks*) 820 noconfigdirs="$noconfigdirs ${libgcj}" 821 ;; 822 aarch64*-*-freebsd*) 823 noconfigdirs="$noconfigdirs ${libgcj}" 824 ;; 825 alpha*-*-*vms*) 826 noconfigdirs="$noconfigdirs ${libgcj}" 827 ;; 828 arm*-*-freebsd*) 829 noconfigdirs="$noconfigdirs ${libgcj}" 830 ;; 831 arm-wince-pe) 832 noconfigdirs="$noconfigdirs ${libgcj}" 833 ;; 834 arm*-*-symbianelf*) 835 noconfigdirs="$noconfigdirs ${libgcj}" 836 ;; 837 bfin-*-*) 838 noconfigdirs="$noconfigdirs target-boehm-gc" 839 ;; 840 cris-*-* | crisv32-*-*) 841 unsupported_languages="$unsupported_languages java" 842 case "${target}" in 843 *-*-linux*) 844 ;; 845 *) # See PR46792 regarding target-libffi. 846 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 847 esac 848 ;; 849 hppa*64*-*-linux*) 850 # In this case, it's because the hppa64-linux target is for 851 # the kernel only at this point and has no libc, and thus no 852 # headers, crt*.o, etc., all of which are needed by these. 853 unsupported_languages="$unsupported_languages java" 854 ;; 855 hppa*64*-*-hpux*) 856 noconfigdirs="$noconfigdirs ${libgcj}" 857 ;; 858 hppa*-hp-hpux11*) 859 ;; 860 hppa*-*-hpux*) 861 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 862 # build on HP-UX 10.20. 863 noconfigdirs="$noconfigdirs ${libgcj}" 864 ;; 865 ia64*-*-*vms*) 866 noconfigdirs="$noconfigdirs ${libgcj}" 867 ;; 868 i[[3456789]]86-w64-mingw*) 869 noconfigdirs="$noconfigdirs ${libgcj}" 870 ;; 871 i[[3456789]]86-*-mingw*) 872 noconfigdirs="$noconfigdirs ${libgcj}" 873 ;; 874 x86_64-*-mingw*) 875 noconfigdirs="$noconfigdirs ${libgcj}" 876 ;; 877 mmix-*-*) 878 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 879 ;; 880 powerpc-*-aix*) 881 # copied from rs6000-*-* entry 882 noconfigdirs="$noconfigdirs ${libgcj}" 883 ;; 884 rs6000-*-aix*) 885 noconfigdirs="$noconfigdirs ${libgcj}" 886 ;; 887 ft32-*-*) 888 noconfigdirs="$noconfigdirs ${libgcj}" 889 ;; 890 *-*-lynxos*) 891 noconfigdirs="$noconfigdirs ${libgcj}" 892 ;; 893esac 894 895# Disable the go frontend on systems where it is known to not work. Please keep 896# this in sync with contrib/config-list.mk. 897case "${target}" in 898*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 899 unsupported_languages="$unsupported_languages go" 900 ;; 901esac 902 903# Disable libgo for some systems where it is known to not work. 904# For testing, you can easily override this with --enable-libgo. 905if test x$enable_libgo = x; then 906 case "${target}" in 907 *-*-darwin*) 908 # PR 46986 909 noconfigdirs="$noconfigdirs target-libgo" 910 ;; 911 *-*-cygwin* | *-*-mingw*) 912 noconfigdirs="$noconfigdirs target-libgo" 913 ;; 914 *-*-aix*) 915 noconfigdirs="$noconfigdirs target-libgo" 916 ;; 917 esac 918fi 919 920# Default libgloss CPU subdirectory. 921libgloss_dir="$target_cpu" 922 923case "${target}" in 924 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 925 libgloss_dir=wince 926 ;; 927 aarch64*-*-* ) 928 libgloss_dir=aarch64 929 ;; 930 arm*-*-*) 931 libgloss_dir=arm 932 ;; 933 cris-*-* | crisv32-*-*) 934 libgloss_dir=cris 935 ;; 936 hppa*-*-*) 937 libgloss_dir=pa 938 ;; 939 i[[3456789]]86-*-*) 940 libgloss_dir=i386 941 ;; 942 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 943 libgloss_dir=m68hc11 944 ;; 945 m68*-*-* | fido-*-*) 946 libgloss_dir=m68k 947 ;; 948 mips*-*-*) 949 libgloss_dir=mips 950 ;; 951 powerpc*-*-*) 952 libgloss_dir=rs6000 953 ;; 954 sparc*-*-*) 955 libgloss_dir=sparc 956 ;; 957esac 958 959# Disable newlib and libgloss for various target OSes. 960case "${target}" in 961 alpha*-dec-osf*) 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 963 ;; 964 i[[3456789]]86-*-linux*) 965 # This section makes it possible to build newlib natively on linux. 966 # If we are using a cross compiler then don't configure newlib. 967 if test x${is_cross_compiler} != xno ; then 968 noconfigdirs="$noconfigdirs target-newlib" 969 fi 970 noconfigdirs="$noconfigdirs target-libgloss" 971 # If we are not using a cross compiler, do configure newlib. 972 # Note however, that newlib will only be configured in this situation 973 # if the --with-newlib option has been given, because otherwise 974 # 'target-newlib' will appear in skipdirs. 975 ;; 976 i[[3456789]]86-*-rdos*) 977 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 978 ;; 979 sh*-*-pe|mips*-*-pe|arm-wince-pe) 980 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 981 ;; 982 sparc-*-sunos4*) 983 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 984 ;; 985 *-*-aix*) 986 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 987 ;; 988 *-*-beos*) 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 990 ;; 991 *-*-chorusos) 992 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 993 ;; 994 *-*-dragonfly*) 995 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 996 ;; 997 *-*-freebsd*) 998 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 999 ;; 1000 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1002 ;; 1003 *-*-lynxos*) 1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1005 ;; 1006 *-*-mingw*) 1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1008 ;; 1009 *-*-netbsd*) 1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1011 ;; 1012 *-*-netware*) 1013 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1014 ;; 1015 *-*-tpf*) 1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1017 ;; 1018 *-*-uclinux*) 1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1020 ;; 1021 *-*-vxworks*) 1022 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1023 ;; 1024esac 1025 1026case "${target}" in 1027 *-*-chorusos) 1028 ;; 1029 aarch64-*-darwin*) 1030 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1031 noconfigdirs="$noconfigdirs sim target-rda" 1032 ;; 1033 arm-*-darwin*) 1034 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1035 noconfigdirs="$noconfigdirs sim target-rda" 1036 ;; 1037 powerpc-*-darwin*) 1038 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1039 noconfigdirs="$noconfigdirs sim target-rda" 1040 ;; 1041 i[[3456789]]86-*-darwin*) 1042 noconfigdirs="$noconfigdirs ld gprof" 1043 noconfigdirs="$noconfigdirs sim target-rda" 1044 ;; 1045 x86_64-*-darwin[[912]]*) 1046 noconfigdirs="$noconfigdirs ld gas gprof" 1047 noconfigdirs="$noconfigdirs sim target-rda" 1048 ;; 1049 *-*-darwin*) 1050 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1051 noconfigdirs="$noconfigdirs sim target-rda" 1052 ;; 1053 *-*-dragonfly*) 1054 ;; 1055 *-*-freebsd*) 1056 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1057 && test -f /usr/local/include/gmp.h; then 1058 with_gmp=/usr/local 1059 fi 1060 ;; 1061 *-*-kaos*) 1062 # Remove unsupported stuff on all kaOS configurations. 1063 noconfigdirs="$noconfigdirs target-libgloss" 1064 ;; 1065 *-*-netbsd*) 1066 ;; 1067 *-*-netware*) 1068 ;; 1069 *-*-rtems*) 1070 noconfigdirs="$noconfigdirs target-libgloss" 1071 # this is not caught below because this stanza matches earlier 1072 case $target in 1073 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1074 esac 1075 ;; 1076 # The tpf target doesn't support gdb yet. 1077 *-*-tpf*) 1078 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1079 ;; 1080 *-*-uclinux*) 1081 noconfigdirs="$noconfigdirs target-rda" 1082 ;; 1083 *-*-vxworks*) 1084 ;; 1085 alpha*-dec-osf*) 1086 # ld works, but does not support shared libraries. 1087 # gas doesn't generate exception information. 1088 noconfigdirs="$noconfigdirs gas ld" 1089 ;; 1090 alpha*-*-*vms*) 1091 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1092 ;; 1093 alpha*-*-*) 1094 # newlib is not 64 bit ready 1095 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1096 ;; 1097 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1098 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1099 ;; 1100 arc-*-*|arceb-*-*) 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 ;; 1103 arm-*-pe*) 1104 noconfigdirs="$noconfigdirs target-libgloss" 1105 ;; 1106 arm-*-riscix*) 1107 noconfigdirs="$noconfigdirs ld target-libgloss" 1108 ;; 1109 avr-*-rtems*) 1110 ;; 1111 avr-*-*) 1112 if test x${with_avrlibc} != xno; then 1113 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1114 fi 1115 ;; 1116 c4x-*-* | tic4x-*-*) 1117 noconfigdirs="$noconfigdirs target-libgloss" 1118 ;; 1119 tic54x-*-*) 1120 noconfigdirs="$noconfigdirs target-libgloss gdb" 1121 ;; 1122 d10v-*-*) 1123 noconfigdirs="$noconfigdirs target-libgloss" 1124 ;; 1125 d30v-*-*) 1126 noconfigdirs="$noconfigdirs gdb" 1127 ;; 1128 fr30-*-elf*) 1129 noconfigdirs="$noconfigdirs gdb" 1130 ;; 1131 ft32-*-*) 1132 noconfigdirs="$noconfigdirs target-rda gprof" 1133 ;; 1134 moxie-*-*) 1135 noconfigdirs="$noconfigdirs" 1136 ;; 1137 h8300*-*-*) 1138 noconfigdirs="$noconfigdirs target-libgloss" 1139 ;; 1140 h8500-*-*) 1141 noconfigdirs="$noconfigdirs target-libgloss" 1142 ;; 1143 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1144 ;; 1145 hppa*64*-*-hpux*) 1146 noconfigdirs="$noconfigdirs gdb" 1147 ;; 1148 hppa*-*-hpux11*) 1149 noconfigdirs="$noconfigdirs gdb ld" 1150 ;; 1151 hppa*64*-*-linux*) 1152 ;; 1153 hppa*-*-linux*) 1154 ;; 1155 hppa*-*-*elf* | \ 1156 hppa*-*-lites* | \ 1157 hppa*-*-openbsd* | \ 1158 hppa*64*-*-*) 1159 ;; 1160 hppa*-*-pro*) 1161 ;; 1162 hppa*-*-*) 1163 noconfigdirs="$noconfigdirs ld" 1164 ;; 1165 i960-*-*) 1166 noconfigdirs="$noconfigdirs gdb" 1167 ;; 1168 ia64*-*-elf*) 1169 # No gdb support yet. 1170 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1171 ;; 1172 ia64*-**-hpux*) 1173 # No ld support yet. 1174 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1175 ;; 1176 ia64*-*-*vms*) 1177 # No ld support yet. 1178 noconfigdirs="$noconfigdirs libgui itcl ld" 1179 ;; 1180 i[[3456789]]86-w64-mingw*) 1181 ;; 1182 i[[3456789]]86-*-mingw*) 1183 target_configdirs="$target_configdirs target-winsup" 1184 ;; 1185 *-*-cygwin*) 1186 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1187 noconfigdirs="$noconfigdirs target-libgloss" 1188 # always build newlib if winsup directory is present. 1189 if test -d "$srcdir/winsup/cygwin"; then 1190 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1191 elif test -d "$srcdir/newlib"; then 1192 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1193 fi 1194 ;; 1195 i[[3456789]]86-*-pe) 1196 noconfigdirs="$noconfigdirs target-libgloss" 1197 ;; 1198 i[[3456789]]86-*-sco3.2v5*) 1199 # The linker does not yet know about weak symbols in COFF, 1200 # and is not configured to handle mixed ELF and COFF. 1201 noconfigdirs="$noconfigdirs ld target-libgloss" 1202 ;; 1203 i[[3456789]]86-*-sco*) 1204 noconfigdirs="$noconfigdirs gprof target-libgloss" 1205 ;; 1206 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1207 noconfigdirs="$noconfigdirs target-libgloss" 1208 ;; 1209 i[[3456789]]86-*-sysv4*) 1210 noconfigdirs="$noconfigdirs target-libgloss" 1211 ;; 1212 i[[3456789]]86-*-beos*) 1213 noconfigdirs="$noconfigdirs gdb" 1214 ;; 1215 i[[3456789]]86-*-rdos*) 1216 noconfigdirs="$noconfigdirs gdb" 1217 ;; 1218 mmix-*-*) 1219 noconfigdirs="$noconfigdirs gdb" 1220 ;; 1221 mt-*-*) 1222 noconfigdirs="$noconfigdirs sim" 1223 ;; 1224 powerpc-*-aix*) 1225 # copied from rs6000-*-* entry 1226 noconfigdirs="$noconfigdirs gprof" 1227 ;; 1228 powerpc*-*-winnt* | powerpc*-*-pe*) 1229 target_configdirs="$target_configdirs target-winsup" 1230 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1231 # always build newlib. 1232 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1233 ;; 1234 # This is temporary until we can link against shared libraries 1235 powerpcle-*-solaris*) 1236 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1237 ;; 1238 powerpc-*-beos*) 1239 noconfigdirs="$noconfigdirs gdb" 1240 ;; 1241 rs6000-*-lynxos*) 1242 noconfigdirs="$noconfigdirs gprof" 1243 ;; 1244 rs6000-*-aix*) 1245 noconfigdirs="$noconfigdirs gprof" 1246 ;; 1247 rs6000-*-*) 1248 noconfigdirs="$noconfigdirs gprof" 1249 ;; 1250 m68k-apollo-*) 1251 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1252 ;; 1253 microblaze*) 1254 noconfigdirs="$noconfigdirs gprof" 1255 ;; 1256 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1257 if test x$with_newlib = xyes; then 1258 noconfigdirs="$noconfigdirs gprof" 1259 fi 1260 ;; 1261 mips*-*-irix5*) 1262 noconfigdirs="$noconfigdirs gprof target-libgloss" 1263 ;; 1264 mips*-*-irix6*) 1265 noconfigdirs="$noconfigdirs gprof target-libgloss" 1266 ;; 1267 mips*-*-bsd*) 1268 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1269 ;; 1270 mips*-*-linux*) 1271 ;; 1272 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1273 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1274 noconfigdirs="$noconfigdirs ld gas gprof" 1275 ;; 1276 mips*-*-*) 1277 noconfigdirs="$noconfigdirs gprof" 1278 ;; 1279 nds32*-*-*) 1280 noconfigdirs="$noconfigdirs gdb" 1281 ;; 1282 nvptx*-*-*) 1283 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1284 ;; 1285 or1k*-*-*) 1286 noconfigdirs="$noconfigdirs gdb" 1287 ;; 1288 sh-*-* | sh64-*-*) 1289 case "${target}" in 1290 sh*-*-elf) 1291 ;; 1292 *) 1293 noconfigdirs="$noconfigdirs target-libgloss" ;; 1294 esac 1295 ;; 1296 sparc-*-sunos4*) 1297 if test x${is_cross_compiler} = xno ; then 1298 use_gnu_ld=no 1299 fi 1300 ;; 1301 tic6x-*-*) 1302 noconfigdirs="$noconfigdirs sim" 1303 ;; 1304 tilepro*-*-* | tilegx*-*-*) 1305 noconfigdirs="$noconfigdirs sim" 1306 ;; 1307 v810-*-*) 1308 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1309 ;; 1310 vax-*-*) 1311 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1312 ;; 1313esac 1314 1315# If we aren't building newlib, then don't build libgloss, since libgloss 1316# depends upon some newlib header files. 1317case "${noconfigdirs}" in 1318 *target-libgloss*) ;; 1319 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1320esac 1321 1322# Work in distributions that contain no compiler tools, like Autoconf. 1323host_makefile_frag=/dev/null 1324if test -d ${srcdir}/config ; then 1325case "${host}" in 1326 i[[3456789]]86-*-msdosdjgpp*) 1327 host_makefile_frag="config/mh-djgpp" 1328 ;; 1329 *-cygwin*) 1330 ACX_CHECK_CYGWIN_CAT_WORKS 1331 host_makefile_frag="config/mh-cygwin" 1332 ;; 1333 *-mingw*) 1334 host_makefile_frag="config/mh-mingw" 1335 ;; 1336 alpha*-linux*) 1337 host_makefile_frag="config/mh-alpha-linux" 1338 ;; 1339 hppa*-hp-hpux10*) 1340 host_makefile_frag="config/mh-pa-hpux10" 1341 ;; 1342 hppa*-hp-hpux*) 1343 host_makefile_frag="config/mh-pa" 1344 ;; 1345 hppa*-*) 1346 host_makefile_frag="config/mh-pa" 1347 ;; 1348 *-*-darwin*) 1349 host_makefile_frag="config/mh-darwin" 1350 ;; 1351 powerpc-*-aix*) 1352 host_makefile_frag="config/mh-ppc-aix" 1353 ;; 1354 rs6000-*-aix*) 1355 host_makefile_frag="config/mh-ppc-aix" 1356 ;; 1357esac 1358fi 1359 1360if test "${build}" != "${host}" ; then 1361 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1362 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1363 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1364 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1365 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1366 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1367 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1368 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1369 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1370 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1371 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1372 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1373 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1374else 1375 AR_FOR_BUILD="\$(AR)" 1376 AS_FOR_BUILD="\$(AS)" 1377 CC_FOR_BUILD="\$(CC)" 1378 CXX_FOR_BUILD="\$(CXX)" 1379 GCJ_FOR_BUILD="\$(GCJ)" 1380 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1381 GOC_FOR_BUILD="\$(GOC)" 1382 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1383 LD_FOR_BUILD="\$(LD)" 1384 NM_FOR_BUILD="\$(NM)" 1385 RANLIB_FOR_BUILD="\$(RANLIB)" 1386 WINDRES_FOR_BUILD="\$(WINDRES)" 1387 WINDMC_FOR_BUILD="\$(WINDMC)" 1388fi 1389 1390AC_PROG_CC 1391AC_PROG_CXX 1392 1393# We must set the default linker to the linker used by gcc for the correct 1394# operation of libtool. If LD is not defined and we are using gcc, try to 1395# set the LD default to the ld used by gcc. 1396if test -z "$LD"; then 1397 if test "$GCC" = yes; then 1398 case $build in 1399 *-*-mingw*) 1400 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1401 *) 1402 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1403 esac 1404 case $gcc_prog_ld in 1405 # Accept absolute paths. 1406 [[\\/]* | [A-Za-z]:[\\/]*)] 1407 LD="$gcc_prog_ld" ;; 1408 esac 1409 fi 1410fi 1411 1412# Check whether -static-libstdc++ -static-libgcc is supported. 1413have_static_libs=no 1414if test "$GCC" = yes; then 1415 saved_LDFLAGS="$LDFLAGS" 1416 1417 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1418 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1419 AC_LANG_PUSH(C++) 1420 AC_LINK_IFELSE([ 1421#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1422#error -static-libstdc++ not implemented 1423#endif 1424int main() {}], 1425 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1426 [AC_MSG_RESULT([no])]) 1427 AC_LANG_POP(C++) 1428 1429 LDFLAGS="$saved_LDFLAGS" 1430fi 1431 1432ACX_PROG_GNAT 1433ACX_PROG_CMP_IGNORE_INITIAL 1434 1435AC_ARG_ENABLE([bootstrap], 1436[AS_HELP_STRING([--enable-bootstrap], 1437 [enable bootstrapping @<:@yes if native build@:>@])],, 1438enable_bootstrap=default) 1439 1440# Issue errors and warnings for invalid/strange bootstrap combinations. 1441if test -r $srcdir/gcc/configure; then 1442 have_compiler=yes 1443else 1444 have_compiler=no 1445fi 1446 1447case "$have_compiler:$host:$target:$enable_bootstrap" in 1448 *:*:*:no) ;; 1449 1450 # Default behavior. Enable bootstrap if we have a compiler 1451 # and we are in a native configuration. 1452 yes:$build:$build:default) 1453 enable_bootstrap=yes ;; 1454 1455 *:*:*:default) 1456 enable_bootstrap=no ;; 1457 1458 # We have a compiler and we are in a native configuration, bootstrap is ok 1459 yes:$build:$build:yes) 1460 ;; 1461 1462 # Other configurations, but we have a compiler. Assume the user knows 1463 # what he's doing. 1464 yes:*:*:yes) 1465 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1466 ;; 1467 1468 # No compiler: if they passed --enable-bootstrap explicitly, fail 1469 no:*:*:yes) 1470 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1471 1472 # Fail if wrong command line 1473 *) 1474 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1475 ;; 1476esac 1477 1478# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1479# C++98 compiler can still start the bootstrap. 1480if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1481 CXX="$CXX -std=gnu++98" 1482fi 1483 1484# Used for setting $lt_cv_objdir 1485_LT_CHECK_OBJDIR 1486 1487# Check for GMP, MPFR and MPC 1488gmplibs="-lmpc -lmpfr -lgmp" 1489gmpinc= 1490have_gmp=no 1491 1492# Specify a location for mpc 1493# check for this first so it ends up on the link line before mpfr. 1494AC_ARG_WITH(mpc, 1495[AS_HELP_STRING([--with-mpc=PATH], 1496 [specify prefix directory for installed MPC package. 1497 Equivalent to --with-mpc-include=PATH/include 1498 plus --with-mpc-lib=PATH/lib])]) 1499AC_ARG_WITH(mpc-include, 1500[AS_HELP_STRING([--with-mpc-include=PATH], 1501 [specify directory for installed MPC include files])]) 1502AC_ARG_WITH(mpc-lib, 1503[AS_HELP_STRING([--with-mpc-lib=PATH], 1504 [specify directory for the installed MPC library])]) 1505 1506if test "x$with_mpc" != x; then 1507 gmplibs="-L$with_mpc/lib $gmplibs" 1508 gmpinc="-I$with_mpc/include $gmpinc" 1509fi 1510if test "x$with_mpc_include" != x; then 1511 gmpinc="-I$with_mpc_include $gmpinc" 1512fi 1513if test "x$with_mpc_lib" != x; then 1514 gmplibs="-L$with_mpc_lib $gmplibs" 1515fi 1516if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1517 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1518 gmpinc='-I$$s/mpc/src '"$gmpinc" 1519 # Do not test the mpc version. Assume that it is sufficient, since 1520 # it is in the source tree, and the library has not been built yet 1521 # but it would be included on the link line in the version check below 1522 # hence making the test fail. 1523 have_gmp=yes 1524fi 1525 1526# Specify a location for mpfr 1527# check for this first so it ends up on the link line before gmp. 1528AC_ARG_WITH(mpfr-dir, 1529[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1530[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1531Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1532 1533AC_ARG_WITH(mpfr, 1534[AS_HELP_STRING([--with-mpfr=PATH], 1535 [specify prefix directory for installed MPFR package. 1536 Equivalent to --with-mpfr-include=PATH/include 1537 plus --with-mpfr-lib=PATH/lib])]) 1538AC_ARG_WITH(mpfr-include, 1539[AS_HELP_STRING([--with-mpfr-include=PATH], 1540 [specify directory for installed MPFR include files])]) 1541AC_ARG_WITH(mpfr-lib, 1542[AS_HELP_STRING([--with-mpfr-lib=PATH], 1543 [specify directory for the installed MPFR library])]) 1544 1545if test "x$with_mpfr" != x; then 1546 gmplibs="-L$with_mpfr/lib $gmplibs" 1547 gmpinc="-I$with_mpfr/include $gmpinc" 1548fi 1549if test "x$with_mpfr_include" != x; then 1550 gmpinc="-I$with_mpfr_include $gmpinc" 1551fi 1552if test "x$with_mpfr_lib" != x; then 1553 gmplibs="-L$with_mpfr_lib $gmplibs" 1554fi 1555if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1556 # MPFR v3.1.0 moved the sources into a src sub-directory. 1557 if test -d ${srcdir}/mpfr/src; then 1558 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1559 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1560 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1561 else 1562 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1563 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1564 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1565 fi 1566 # Do not test the mpfr version. Assume that it is sufficient, since 1567 # it is in the source tree, and the library has not been built yet 1568 # but it would be included on the link line in the version check below 1569 # hence making the test fail. 1570 have_gmp=yes 1571fi 1572 1573# Specify a location for gmp 1574AC_ARG_WITH(gmp-dir, 1575[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1576[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1577Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1578 1579AC_ARG_WITH(gmp, 1580[AS_HELP_STRING([--with-gmp=PATH], 1581 [specify prefix directory for the installed GMP package. 1582 Equivalent to --with-gmp-include=PATH/include 1583 plus --with-gmp-lib=PATH/lib])]) 1584AC_ARG_WITH(gmp-include, 1585[AS_HELP_STRING([--with-gmp-include=PATH], 1586 [specify directory for installed GMP include files])]) 1587AC_ARG_WITH(gmp-lib, 1588[AS_HELP_STRING([--with-gmp-lib=PATH], 1589 [specify directory for the installed GMP library])]) 1590 1591 1592if test "x$with_gmp" != x; then 1593 gmplibs="-L$with_gmp/lib $gmplibs" 1594 gmpinc="-I$with_gmp/include $gmpinc" 1595fi 1596if test "x$with_gmp_include" != x; then 1597 gmpinc="-I$with_gmp_include $gmpinc" 1598fi 1599if test "x$with_gmp_lib" != x; then 1600 gmplibs="-L$with_gmp_lib $gmplibs" 1601fi 1602if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1603 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1604 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1605 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1606 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1607 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1608 # Do not test the gmp version. Assume that it is sufficient, since 1609 # it is in the source tree, and the library has not been built yet 1610 # but it would be included on the link line in the version check below 1611 # hence making the test fail. 1612 have_gmp=yes 1613fi 1614 1615if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1616 have_gmp=yes 1617 saved_CFLAGS="$CFLAGS" 1618 CFLAGS="$CFLAGS $gmpinc" 1619 # Check for the recommended and required versions of GMP. 1620 AC_MSG_CHECKING([for the correct version of gmp.h]) 1621 AC_TRY_COMPILE([#include "gmp.h"],[ 1622 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1623 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1624 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1625 choke me 1626 #endif 1627 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1628 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1629 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1630 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1631 choke me 1632 #endif 1633 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1634 [AC_MSG_RESULT([no]); have_gmp=no]) 1635 1636 # If we have GMP, check the MPFR version. 1637 if test x"$have_gmp" = xyes; then 1638 # Check for the recommended and required versions of MPFR. 1639 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1640 AC_TRY_COMPILE([#include <gmp.h> 1641 #include <mpfr.h>],[ 1642 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1643 choke me 1644 #endif 1645 ], [AC_TRY_COMPILE([#include <gmp.h> 1646 #include <mpfr.h>],[ 1647 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1648 choke me 1649 #endif 1650 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1651 [AC_MSG_RESULT([no]); have_gmp=no]) 1652 fi 1653 1654 # Check for the MPC header version. 1655 if test x"$have_gmp" = xyes ; then 1656 # Check for the recommended and required versions of MPC. 1657 AC_MSG_CHECKING([for the correct version of mpc.h]) 1658 AC_TRY_COMPILE([#include <mpc.h>],[ 1659 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1660 choke me 1661 #endif 1662 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1663 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1664 choke me 1665 #endif 1666 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1667 [AC_MSG_RESULT([no]); have_gmp=no]) 1668 fi 1669 1670 # Now check the MPFR library. 1671 if test x"$have_gmp" = xyes; then 1672 saved_LIBS="$LIBS" 1673 LIBS="$LIBS $gmplibs" 1674 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1675 AC_TRY_LINK([#include <mpc.h>],[ 1676 mpfr_t n; 1677 mpfr_t x; 1678 mpc_t c; 1679 int t; 1680 mpfr_init (n); 1681 mpfr_init (x); 1682 mpfr_atan2 (n, n, x, GMP_RNDN); 1683 mpfr_erfc (n, x, GMP_RNDN); 1684 mpfr_subnormalize (x, t, GMP_RNDN); 1685 mpfr_clear(n); 1686 mpfr_clear(x); 1687 mpc_init2 (c, 53); 1688 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1689 mpc_cosh (c, c, MPC_RNDNN); 1690 mpc_pow (c, c, c, MPC_RNDNN); 1691 mpc_acosh (c, c, MPC_RNDNN); 1692 mpc_clear (c); 1693 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1694 LIBS="$saved_LIBS" 1695 fi 1696 1697 CFLAGS="$saved_CFLAGS" 1698 1699# The library versions listed in the error message below should match 1700# the HARD-minimums enforced above. 1701 if test x$have_gmp != xyes; then 1702 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1703Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1704their locations. Source code for these libraries can be found at 1705their respective hosting sites as well as at 1706ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1707http://gcc.gnu.org/install/prerequisites.html for additional info. If 1708you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1709make sure that you have installed both the libraries and the header 1710files. They may be located in separate packages.]) 1711 fi 1712fi 1713 1714# Flags needed for both GMP, MPFR and/or MPC. 1715AC_SUBST(gmplibs) 1716AC_SUBST(gmpinc) 1717AC_SUBST(extra_mpfr_configure_flags) 1718AC_SUBST(extra_mpc_gmp_configure_flags) 1719AC_SUBST(extra_mpc_mpfr_configure_flags) 1720AC_SUBST(extra_isl_gmp_configure_flags) 1721 1722# Libraries to use for stage1 or when not bootstrapping. 1723AC_ARG_WITH(stage1-libs, 1724[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1725[if test "$withval" = "no" -o "$withval" = "yes"; then 1726 stage1_libs= 1727 else 1728 stage1_libs=$withval 1729 fi], 1730[stage1_libs=]) 1731AC_SUBST(stage1_libs) 1732 1733# Linker flags to use for stage1 or when not bootstrapping. 1734AC_ARG_WITH(stage1-ldflags, 1735[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1736[if test "$withval" = "no" -o "$withval" = "yes"; then 1737 stage1_ldflags= 1738 else 1739 stage1_ldflags=$withval 1740 fi], 1741[stage1_ldflags= 1742 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1743 # if supported. But if the user explicitly specified the libraries to use, 1744 # trust that they are doing what they want. 1745 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1746 stage1_ldflags="-static-libstdc++ -static-libgcc" 1747 fi]) 1748AC_SUBST(stage1_ldflags) 1749 1750# Libraries to use for stage2 and later builds. 1751AC_ARG_WITH(boot-libs, 1752[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1753[if test "$withval" = "no" -o "$withval" = "yes"; then 1754 poststage1_libs= 1755 else 1756 poststage1_libs=$withval 1757 fi], 1758[poststage1_libs=]) 1759AC_SUBST(poststage1_libs) 1760 1761# Linker flags to use for stage2 and later builds. 1762AC_ARG_WITH(boot-ldflags, 1763[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1764 [linker flags for stage2 and later])], 1765[if test "$withval" = "no" -o "$withval" = "yes"; then 1766 poststage1_ldflags= 1767 else 1768 poststage1_ldflags=$withval 1769 fi], 1770[poststage1_ldflags= 1771 # In stages 2 and 3, default to linking libstdc++ and libgcc 1772 # statically. But if the user explicitly specified the libraries to 1773 # use, trust that they are doing what they want. 1774 if test "$poststage1_libs" = ""; then 1775 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1776 fi]) 1777AC_SUBST(poststage1_ldflags) 1778 1779# GCC GRAPHITE dependency isl. 1780# Basic setup is inlined here, actual checks are in config/isl.m4 1781 1782AC_ARG_WITH(isl, 1783 [AS_HELP_STRING( 1784 [--with-isl=PATH], 1785 [Specify prefix directory for the installed isl package. 1786 Equivalent to --with-isl-include=PATH/include 1787 plus --with-isl-lib=PATH/lib])]) 1788 1789# Treat --without-isl as a request to disable 1790# GRAPHITE support and skip all following checks. 1791if test "x$with_isl" != "xno"; then 1792 # Check for isl 1793 dnl Provide configure switches and initialize islinc & isllibs 1794 dnl with user input. 1795 ISL_INIT_FLAGS 1796 dnl The versions of isl that work for Graphite 1797 ISL_CHECK_VERSION() 1798 dnl Only execute fail-action, if isl has been requested. 1799 ISL_IF_FAILED([ 1800 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1801fi 1802 1803# If the isl check failed, disable builds of in-tree variant of isl 1804if test "x$with_isl" = xno || 1805 test "x$gcc_cv_isl" = xno; then 1806 noconfigdirs="$noconfigdirs isl" 1807 islinc= 1808fi 1809 1810AC_SUBST(isllibs) 1811AC_SUBST(islinc) 1812 1813# Check for LTO support. 1814AC_ARG_ENABLE(lto, 1815[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1816enable_lto=$enableval, 1817enable_lto=yes; default_enable_lto=yes) 1818 1819ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1820 build_lto_plugin=yes 1821],[if test x"$default_enable_lto" = x"yes" ; then 1822 case $target in 1823 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; 1824 # On other non-ELF platforms, LTO has yet to be validated. 1825 *) enable_lto=no ;; 1826 esac 1827 else 1828 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1829 # It would also be nice to check the binutils support, but we don't 1830 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1831 # warn during gcc/ subconfigure; unless you're bootstrapping with 1832 # -flto it won't be needed until after installation anyway. 1833 case $target in 1834 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1835 *) if test x"$enable_lto" = x"yes"; then 1836 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1837 fi 1838 ;; 1839 esac 1840 fi 1841 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1842 # Build it unless LTO was explicitly disabled. 1843 case $target in 1844 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1845 *) ;; 1846 esac 1847]) 1848 1849AC_ARG_ENABLE(linker-plugin-configure-flags, 1850 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1851 [additional flags for configuring linker plugins @<:@none@:>@])], 1852 extra_linker_plugin_configure_flags=$enableval, 1853 extra_linker_plugin_configure_flags=) 1854AC_SUBST(extra_linker_plugin_configure_flags) 1855AC_ARG_ENABLE(linker-plugin-flags, 1856 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1857 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1858 extra_linker_plugin_flags=$enableval, 1859 extra_linker_plugin_flags=) 1860AC_SUBST(extra_linker_plugin_flags) 1861 1862 1863# By default, C and C++ are the only stage 1 languages. 1864stage1_languages=,c, 1865 1866# Target libraries that we bootstrap. 1867bootstrap_target_libs=,target-libgcc, 1868 1869# Figure out what language subdirectories are present. 1870# Look if the user specified --enable-languages="..."; if not, use 1871# the environment variable $LANGUAGES if defined. $LANGUAGES might 1872# go away some day. 1873# NB: embedded tabs in this IF block -- do not untabify 1874if test -d ${srcdir}/gcc; then 1875 if test x"${enable_languages+set}" != xset; then 1876 if test x"${LANGUAGES+set}" = xset; then 1877 enable_languages="${LANGUAGES}" 1878 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1879 else 1880 enable_languages=all 1881 fi 1882 else 1883 if test x"${enable_languages}" = x || 1884 test x"${enable_languages}" = xyes; 1885 then 1886 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1887 exit 1 1888 fi 1889 fi 1890 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1891 1892 # 'f95' is the old name for the 'fortran' language. We issue a warning 1893 # and make the substitution. 1894 case ,${enable_languages}, in 1895 *,f95,*) 1896 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1897 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1898 ;; 1899 esac 1900 1901 # If bootstrapping, C++ must be enabled. 1902 case ",$enable_languages,:$enable_bootstrap" in 1903 *,c++,*:*) ;; 1904 *:yes) 1905 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1906 enable_languages="${enable_languages},c++" 1907 else 1908 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1909 fi 1910 ;; 1911 esac 1912 1913 # First scan to see if an enabled language requires some other language. 1914 # We assume that a given config-lang.in will list all the language 1915 # front ends it requires, even if some are required indirectly. 1916 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1917 case ${lang_frag} in 1918 ..) ;; 1919 # The odd quoting in the next line works around 1920 # an apparent bug in bash 1.12 on linux. 1921 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1922 *) 1923 # From the config-lang.in, get $language, $lang_requires, and 1924 # $lang_requires_boot_languages. 1925 language= 1926 lang_requires= 1927 lang_requires_boot_languages= 1928 . ${lang_frag} 1929 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1930 case ,${enable_languages}, in 1931 *,$other,*) ;; 1932 *,all,*) ;; 1933 *,$language,*) 1934 echo " \`$other' language required by \`$language'; enabling" 1>&2 1935 enable_languages="${enable_languages},${other}" 1936 ;; 1937 esac 1938 done 1939 for other in ${lang_requires_boot_languages} ; do 1940 if test "$other" != "c"; then 1941 case ,${enable_stage1_languages}, in 1942 *,$other,*) ;; 1943 *,all,*) ;; 1944 *) 1945 case ,${enable_languages}, in 1946 *,$language,*) 1947 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1948 enable_stage1_languages="$enable_stage1_languages,${other}" 1949 ;; 1950 esac 1951 ;; 1952 esac 1953 fi 1954 done 1955 ;; 1956 esac 1957 done 1958 1959 new_enable_languages=,c, 1960 1961 # If LTO is enabled, add the LTO front end. 1962 if test "$enable_lto" = "yes" ; then 1963 case ,${enable_languages}, in 1964 *,lto,*) ;; 1965 *) enable_languages="${enable_languages},lto" ;; 1966 esac 1967 if test "${build_lto_plugin}" = "yes" ; then 1968 configdirs="$configdirs lto-plugin" 1969 fi 1970 fi 1971 1972 # If we're building an offloading compiler, add the LTO front end. 1973 if test x"$enable_as_accelerator_for" != x ; then 1974 case ,${enable_languages}, in 1975 *,lto,*) ;; 1976 *) enable_languages="${enable_languages},lto" ;; 1977 esac 1978 fi 1979 1980 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1981 potential_languages=,c, 1982 1983 enabled_target_libs= 1984 disabled_target_libs= 1985 1986 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1987 case ${lang_frag} in 1988 ..) ;; 1989 # The odd quoting in the next line works around 1990 # an apparent bug in bash 1.12 on linux. 1991 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1992 *) 1993 # From the config-lang.in, get $language, $target_libs, 1994 # $lang_dirs, $boot_language, and $build_by_default 1995 language= 1996 target_libs= 1997 lang_dirs= 1998 subdir_requires= 1999 boot_language=no 2000 build_by_default=yes 2001 . ${lang_frag} 2002 if test x${language} = x; then 2003 echo "${lang_frag} doesn't set \$language." 1>&2 2004 exit 1 2005 fi 2006 2007 if test "$language" = "c++"; then 2008 boot_language=yes 2009 fi 2010 2011 add_this_lang=no 2012 case ,${enable_languages}, in 2013 *,${language},*) 2014 # Language was explicitly selected; include it 2015 # unless it is C, which is enabled by default. 2016 if test "$language" != "c"; then 2017 add_this_lang=yes 2018 fi 2019 ;; 2020 *,all,*) 2021 # 'all' was selected, select it if it is a default language 2022 if test "$language" != "c"; then 2023 add_this_lang=${build_by_default} 2024 fi 2025 ;; 2026 esac 2027 2028 # Disable languages that need other directories if these aren't available. 2029 for i in $subdir_requires; do 2030 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2031 case ,${enable_languages}, in 2032 *,${language},*) 2033 # Specifically requested language; tell them. 2034 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2035 ;; 2036 *) 2037 # Silently disable. 2038 add_this_lang=unsupported 2039 ;; 2040 esac 2041 done 2042 2043 # Disable Ada if no preexisting GNAT is available. 2044 case ,${enable_languages},:${language}:${have_gnat} in 2045 *,${language},*:ada:no) 2046 # Specifically requested language; tell them. 2047 AC_MSG_ERROR([GNAT is required to build $language]) 2048 ;; 2049 *:ada:no) 2050 # Silently disable. 2051 add_this_lang=unsupported 2052 ;; 2053 esac 2054 2055 # Disable a language that is unsupported by the target. 2056 case " $unsupported_languages " in 2057 *" $language "*) 2058 add_this_lang=unsupported 2059 ;; 2060 esac 2061 2062 case $add_this_lang in 2063 unsupported) 2064 # Remove language-dependent dirs. 2065 disabled_target_libs="$disabled_target_libs $target_libs" 2066 noconfigdirs="$noconfigdirs $lang_dirs" 2067 ;; 2068 no) 2069 # Remove language-dependent dirs; still show language as supported. 2070 disabled_target_libs="$disabled_target_libs $target_libs" 2071 noconfigdirs="$noconfigdirs $lang_dirs" 2072 potential_languages="${potential_languages}${language}," 2073 ;; 2074 yes) 2075 new_enable_languages="${new_enable_languages}${language}," 2076 potential_languages="${potential_languages}${language}," 2077 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2078 enabled_target_libs="$enabled_target_libs $target_libs" 2079 case "${boot_language}:,$enable_stage1_languages," in 2080 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2081 # Add to (comma-separated) list of stage 1 languages. 2082 case ",$stage1_languages," in 2083 *,$language,* | ,yes, | ,all,) ;; 2084 *) stage1_languages="${stage1_languages}${language}," ;; 2085 esac 2086 # We need to bootstrap any supporting libraries. 2087 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2088 ;; 2089 esac 2090 ;; 2091 esac 2092 ;; 2093 esac 2094 done 2095 2096 # Add target libraries which are only needed for disabled languages 2097 # to noconfigdirs. 2098 if test -n "$disabled_target_libs"; then 2099 for dir in $disabled_target_libs; do 2100 case " $enabled_target_libs " in 2101 *" ${dir} "*) ;; 2102 *) noconfigdirs="$noconfigdirs $dir" ;; 2103 esac 2104 done 2105 fi 2106 2107 AC_ARG_ENABLE(stage1-languages, 2108 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2109 [choose additional languages to build during 2110 stage1. Mostly useful for compiler development])], 2111 [case ,${enable_stage1_languages}, in 2112 ,no,|,,) 2113 # Set it to something that will have no effect in the loop below 2114 enable_stage1_languages=c ;; 2115 ,yes,) 2116 enable_stage1_languages=`echo $new_enable_languages | \ 2117 sed -e "s/^,//" -e "s/,$//" ` ;; 2118 *,all,*) 2119 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2120 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2121 esac 2122 2123 # Add "good" languages from enable_stage1_languages to stage1_languages, 2124 # while "bad" languages go in missing_languages. Leave no duplicates. 2125 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2126 case $potential_languages in 2127 *,$i,*) 2128 case $stage1_languages in 2129 *,$i,*) ;; 2130 *) stage1_languages="$stage1_languages$i," ;; 2131 esac ;; 2132 *) 2133 case $missing_languages in 2134 *,$i,*) ;; 2135 *) missing_languages="$missing_languages$i," ;; 2136 esac ;; 2137 esac 2138 done]) 2139 2140 # Remove leading/trailing commas that were added for simplicity 2141 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2142 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2143 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2144 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2145 2146 if test "x$missing_languages" != x; then 2147 AC_MSG_ERROR([ 2148The following requested languages could not be built: ${missing_languages} 2149Supported languages are: ${potential_languages}]) 2150 fi 2151 if test "x$new_enable_languages" != "x$enable_languages"; then 2152 echo The following languages will be built: ${new_enable_languages} 2153 enable_languages="$new_enable_languages" 2154 fi 2155 2156 AC_SUBST(stage1_languages) 2157 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2158fi 2159 2160# Handle --disable-<component> generically. 2161for dir in $configdirs $build_configdirs $target_configdirs ; do 2162 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2163 varname=`echo $dirname | sed -e s/+/_/g` 2164 if eval test x\${enable_${varname}} "=" xno ; then 2165 noconfigdirs="$noconfigdirs $dir" 2166 fi 2167done 2168 2169# Check for Boehm's garbage collector 2170AC_ARG_ENABLE(objc-gc, 2171[AS_HELP_STRING([--enable-objc-gc], 2172 [enable use of Boehm's garbage collector with the 2173 GNU Objective-C runtime])], 2174[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2175 *,objc,*:*:yes:*target-boehm-gc*) 2176 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2177 ;; 2178esac]) 2179 2180# Make sure we only build Boehm's garbage collector if required. 2181case ,${enable_languages},:${enable_objc_gc} in 2182 *,objc,*:yes) 2183 # Keep target-boehm-gc if requested for Objective-C. 2184 ;; 2185 *) 2186 # Otherwise remove target-boehm-gc depending on target-libjava. 2187 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2188 noconfigdirs="$noconfigdirs target-boehm-gc" 2189 fi 2190 ;; 2191esac 2192 2193# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2194case ,${enable_languages}, in 2195 *,c++,*) 2196 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2197 case "${noconfigdirs}" in 2198 *target-libstdc++-v3*) 2199 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2200 ;; 2201 *) ;; 2202 esac 2203 ;; 2204 *) 2205 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2206 ;; 2207esac 2208 2209# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2210# $build_configdirs and $target_configdirs. 2211# If we have the source for $noconfigdirs entries, add them to $notsupp. 2212 2213notsupp="" 2214for dir in . $skipdirs $noconfigdirs ; do 2215 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2216 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2217 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2218 if test -r $srcdir/$dirname/configure ; then 2219 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2220 true 2221 else 2222 notsupp="$notsupp $dir" 2223 fi 2224 fi 2225 fi 2226 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2227 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2228 if test -r $srcdir/$dirname/configure ; then 2229 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2230 true 2231 else 2232 notsupp="$notsupp $dir" 2233 fi 2234 fi 2235 fi 2236 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2237 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2238 if test -r $srcdir/$dirname/configure ; then 2239 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2240 true 2241 else 2242 notsupp="$notsupp $dir" 2243 fi 2244 fi 2245 fi 2246done 2247 2248# Quietly strip out all directories which aren't configurable in this tree. 2249# This relies on all configurable subdirectories being autoconfiscated, which 2250# is now the case. 2251build_configdirs_all="$build_configdirs" 2252build_configdirs= 2253for i in ${build_configdirs_all} ; do 2254 j=`echo $i | sed -e s/build-//g` 2255 if test -f ${srcdir}/$j/configure ; then 2256 build_configdirs="${build_configdirs} $i" 2257 fi 2258done 2259 2260configdirs_all="$configdirs" 2261configdirs= 2262for i in ${configdirs_all} ; do 2263 if test -f ${srcdir}/$i/configure ; then 2264 configdirs="${configdirs} $i" 2265 fi 2266done 2267 2268target_configdirs_all="$target_configdirs" 2269target_configdirs= 2270for i in ${target_configdirs_all} ; do 2271 j=`echo $i | sed -e s/target-//g` 2272 if test -f ${srcdir}/$j/configure ; then 2273 target_configdirs="${target_configdirs} $i" 2274 fi 2275done 2276 2277# Exclude target-zlib if target-libjava isn't built. 2278case ${target_configdirs} in 2279*target-libjava*) 2280 ;; 2281*) 2282 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" 2283 ;; 2284esac 2285 2286# libiberty-linker-plugin is special: it doesn't have its own source directory, 2287# so we have to add it after the preceding checks. 2288if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2289then 2290 case " $configdirs " in 2291 *" libiberty "*) 2292 # If we can build libiberty, we can also build libiberty-linker-plugin. 2293 configdirs="$configdirs libiberty-linker-plugin" 2294 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2295 --with-libiberty=../libiberty-linker-plugin";; 2296 *) 2297 AC_MSG_ERROR([libiberty missing]);; 2298 esac 2299fi 2300 2301# Sometimes we have special requirements for the host libiberty. 2302extra_host_libiberty_configure_flags= 2303extra_host_zlib_configure_flags= 2304case " $configdirs " in 2305 *" lto-plugin "* | *" libcc1 "*) 2306 # When these are to be built as shared libraries, the same applies to 2307 # libiberty. 2308 extra_host_libiberty_configure_flags=--enable-shared 2309 ;; 2310 *" bfd "*) 2311 # When bfd is to be built as a shared library, the same applies to 2312 # zlib. 2313 if test "$enable_shared" = "yes"; then 2314 extra_host_zlib_configure_flags=--enable-host-shared 2315 fi 2316 ;; 2317esac 2318AC_SUBST(extra_host_libiberty_configure_flags) 2319AC_SUBST(extra_host_zlib_configure_flags) 2320 2321# Produce a warning message for the subdirs we can't configure. 2322# This isn't especially interesting in the Cygnus tree, but in the individual 2323# FSF releases, it's important to let people know when their machine isn't 2324# supported by the one or two programs in a package. 2325 2326if test -n "${notsupp}" && test -z "${norecursion}" ; then 2327 # If $appdirs is non-empty, at least one of those directories must still 2328 # be configured, or we error out. (E.g., if the gas release supports a 2329 # specified target in some subdirs but not the gas subdir, we shouldn't 2330 # pretend that all is well.) 2331 if test -n "$appdirs" ; then 2332 for dir in $appdirs ; do 2333 if test -r $dir/Makefile.in ; then 2334 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2335 appdirs="" 2336 break 2337 fi 2338 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2339 appdirs="" 2340 break 2341 fi 2342 fi 2343 done 2344 if test -n "$appdirs" ; then 2345 echo "*** This configuration is not supported by this package." 1>&2 2346 exit 1 2347 fi 2348 fi 2349 # Okay, some application will build, or we don't care to check. Still 2350 # notify of subdirs not getting built. 2351 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2352 echo " ${notsupp}" 1>&2 2353 echo " (Any other directories should still work fine.)" 1>&2 2354fi 2355 2356case "$host" in 2357 *msdosdjgpp*) 2358 enable_gdbtk=no ;; 2359esac 2360 2361# To find our prefix, in gcc_cv_tool_prefix. 2362ACX_TOOL_DIRS 2363 2364copy_dirs= 2365 2366AC_ARG_WITH([build-sysroot], 2367 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2368 [use sysroot as the system root during the build])], 2369 [if test x"$withval" != x ; then 2370 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2371 fi], 2372 [SYSROOT_CFLAGS_FOR_TARGET=]) 2373AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2374 2375AC_ARG_WITH([debug-prefix-map], 2376 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2377 [map A to B, C to D ... in debug information])], 2378 [if test x"$withval" != x; then 2379 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2380 for debug_map in $withval; do 2381 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2382 done 2383 fi], 2384 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2385AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2386 2387# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2388# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2389# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2390# We want to ensure that TARGET libraries (which we know are built with 2391# gcc) are built with "-O2 -g", so include those options when setting 2392# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2393if test "x$CFLAGS_FOR_TARGET" = x; then 2394 if test "x${is_cross_compiler}" = xyes; then 2395 CFLAGS_FOR_TARGET="-g -O2" 2396 else 2397 CFLAGS_FOR_TARGET=$CFLAGS 2398 case " $CFLAGS " in 2399 *" -O2 "*) ;; 2400 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2401 esac 2402 case " $CFLAGS " in 2403 *" -g "* | *" -g3 "*) ;; 2404 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2405 esac 2406 fi 2407fi 2408AC_SUBST(CFLAGS_FOR_TARGET) 2409 2410if test "x$CXXFLAGS_FOR_TARGET" = x; then 2411 if test "x${is_cross_compiler}" = xyes; then 2412 CXXFLAGS_FOR_TARGET="-g -O2" 2413 else 2414 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2415 case " $CXXFLAGS " in 2416 *" -O2 "*) ;; 2417 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2418 esac 2419 case " $CXXFLAGS " in 2420 *" -g "* | *" -g3 "*) ;; 2421 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2422 esac 2423 fi 2424fi 2425AC_SUBST(CXXFLAGS_FOR_TARGET) 2426 2427AC_SUBST(LDFLAGS_FOR_TARGET) 2428 2429# Handle --with-headers=XXX. If the value is not "yes", the contents of 2430# the named directory are copied to $(tooldir)/sys-include. 2431if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2432 if test x${is_cross_compiler} = xno ; then 2433 echo 1>&2 '***' --with-headers is only supported when cross compiling 2434 exit 1 2435 fi 2436 if test x"${with_headers}" != xyes ; then 2437 x=${gcc_cv_tool_prefix} 2438 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2439 fi 2440fi 2441 2442# Handle --with-libs=XXX. If the value is not "yes", the contents of 2443# the name directories are copied to $(tooldir)/lib. Multiple directories 2444# are permitted. 2445if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2446 if test x${is_cross_compiler} = xno ; then 2447 echo 1>&2 '***' --with-libs is only supported when cross compiling 2448 exit 1 2449 fi 2450 if test x"${with_libs}" != xyes ; then 2451 # Copy the libraries in reverse order, so that files in the first named 2452 # library override files in subsequent libraries. 2453 x=${gcc_cv_tool_prefix} 2454 for l in ${with_libs}; do 2455 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2456 done 2457 fi 2458fi 2459 2460# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2461# 2462# This is done by determining whether or not the appropriate directory 2463# is available, and by checking whether or not specific configurations 2464# have requested that this magic not happen. 2465# 2466# The command line options always override the explicit settings in 2467# configure.ac, and the settings in configure.ac override this magic. 2468# 2469# If the default for a toolchain is to use GNU as and ld, and you don't 2470# want to do that, then you should use the --without-gnu-as and 2471# --without-gnu-ld options for the configure script. Similarly, if 2472# the default is to use the included zlib and you don't want to do that, 2473# you should use the --with-system-zlib option for the configure script. 2474 2475if test x${use_gnu_as} = x && 2476 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2477 with_gnu_as=yes 2478 extra_host_args="$extra_host_args --with-gnu-as" 2479fi 2480 2481if test x${use_gnu_ld} = x && 2482 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2483 with_gnu_ld=yes 2484 extra_host_args="$extra_host_args --with-gnu-ld" 2485fi 2486 2487if test x${use_included_zlib} = x && 2488 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2489 : 2490else 2491 with_system_zlib=yes 2492 extra_host_args="$extra_host_args --with-system-zlib" 2493fi 2494 2495# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2496# can detect this case. 2497 2498if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2499 with_newlib=yes 2500 extra_host_args="$extra_host_args --with-newlib" 2501fi 2502 2503# Handle ${copy_dirs} 2504set fnord ${copy_dirs} 2505shift 2506while test $# != 0 ; do 2507 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2508 : 2509 else 2510 echo Copying $1 to $2 2511 2512 # Use the install script to create the directory and all required 2513 # parent directories. 2514 if test -d $2 ; then 2515 : 2516 else 2517 echo >config.temp 2518 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2519 fi 2520 2521 # Copy the directory, assuming we have tar. 2522 # FIXME: Should we use B in the second tar? Not all systems support it. 2523 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2524 2525 # It is the responsibility of the user to correctly adjust all 2526 # symlinks. If somebody can figure out how to handle them correctly 2527 # here, feel free to add the code. 2528 2529 echo $1 > $2/COPIED 2530 fi 2531 shift; shift 2532done 2533 2534# Determine a target-dependent exec_prefix that the installed 2535# gcc will search in. Keep this list sorted by triplet, with 2536# the *-*-osname triplets last. 2537md_exec_prefix= 2538case "${target}" in 2539 i[[34567]]86-pc-msdosdjgpp*) 2540 md_exec_prefix=/dev/env/DJDIR/bin 2541 ;; 2542 *-*-hpux* | \ 2543 *-*-nto-qnx* | \ 2544 *-*-solaris2*) 2545 md_exec_prefix=/usr/ccs/bin 2546 ;; 2547esac 2548 2549extra_arflags_for_target= 2550extra_nmflags_for_target= 2551extra_ranlibflags_for_target= 2552target_makefile_frag=/dev/null 2553case "${target}" in 2554 spu-*-*) 2555 target_makefile_frag="config/mt-spu" 2556 ;; 2557 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2558 target_makefile_frag="config/mt-sde" 2559 ;; 2560 mipsisa*-*-elfoabi*) 2561 target_makefile_frag="config/mt-mips-elfoabi" 2562 ;; 2563 mips*-*-*linux* | mips*-*-gnu*) 2564 target_makefile_frag="config/mt-mips-gnu" 2565 ;; 2566 nios2-*-elf*) 2567 target_makefile_frag="config/mt-nios2-elf" 2568 ;; 2569 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2570 target_makefile_frag="config/mt-gnu" 2571 ;; 2572 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2573 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2574 # commands to handle both 32-bit and 64-bit objects. These flags are 2575 # harmless if we're using GNU nm or ar. 2576 extra_arflags_for_target=" -X32_64" 2577 extra_nmflags_for_target=" -B -X32_64" 2578 ;; 2579esac 2580 2581alphaieee_frag=/dev/null 2582case $target in 2583 alpha*-*-*) 2584 # This just makes sure to use the -mieee option to build target libs. 2585 # This should probably be set individually by each library. 2586 alphaieee_frag="config/mt-alphaieee" 2587 ;; 2588esac 2589 2590# If --enable-target-optspace always use -Os instead of -O2 to build 2591# the target libraries, similarly if it is not specified, use -Os 2592# on selected platforms. 2593ospace_frag=/dev/null 2594case "${enable_target_optspace}:${target}" in 2595 yes:*) 2596 ospace_frag="config/mt-ospace" 2597 ;; 2598 :d30v-*) 2599 ospace_frag="config/mt-d30v" 2600 ;; 2601 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2602 ospace_frag="config/mt-ospace" 2603 ;; 2604 no:* | :*) 2605 ;; 2606 *) 2607 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2608 ;; 2609esac 2610 2611# Some systems (e.g., one of the i386-aix systems the gas testers are 2612# using) don't handle "\$" correctly, so don't use it here. 2613tooldir='${exec_prefix}'/${target_noncanonical} 2614build_tooldir=${tooldir} 2615 2616# Create a .gdbinit file which runs the one in srcdir 2617# and tells GDB to look there for source files. 2618 2619if test -r ${srcdir}/.gdbinit ; then 2620 case ${srcdir} in 2621 .) ;; 2622 *) cat > ./.gdbinit <<EOF 2623# ${NO_EDIT} 2624dir ${srcdir} 2625dir . 2626source ${srcdir}/.gdbinit 2627EOF 2628 ;; 2629 esac 2630fi 2631 2632# Make sure that the compiler is able to generate an executable. If it 2633# can't, we are probably in trouble. We don't care whether we can run the 2634# executable--we might be using a cross compiler--we only care whether it 2635# can be created. At this point the main configure script has set CC. 2636we_are_ok=no 2637echo "int main () { return 0; }" > conftest.c 2638${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2639if test $? = 0 ; then 2640 if test -s conftest || test -s conftest.exe ; then 2641 we_are_ok=yes 2642 fi 2643fi 2644case $we_are_ok in 2645 no) 2646 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2647 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2648 rm -f conftest* 2649 exit 1 2650 ;; 2651esac 2652rm -f conftest* 2653 2654# Decide which environment variable is used to find dynamic libraries. 2655case "${host}" in 2656 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2657 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2658 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2659 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2660esac 2661 2662# On systems where the dynamic library environment variable is PATH, 2663# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2664# built executables to PATH. 2665if test "$RPATH_ENVVAR" = PATH; then 2666 GCC_SHLIB_SUBDIR=/shlib 2667else 2668 GCC_SHLIB_SUBDIR= 2669fi 2670 2671# Adjust the toplevel makefile according to whether bootstrap was selected. 2672case $enable_bootstrap in 2673 yes) 2674 bootstrap_suffix=bootstrap 2675 BUILD_CONFIG=bootstrap-debug 2676 ;; 2677 no) 2678 bootstrap_suffix=no-bootstrap 2679 BUILD_CONFIG= 2680 ;; 2681esac 2682 2683AC_MSG_CHECKING(for default BUILD_CONFIG) 2684 2685AC_ARG_WITH([build-config], 2686 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2687 [use config/NAME.mk build configuration])], 2688 [case $with_build_config in 2689 yes) with_build_config= ;; 2690 no) with_build_config= BUILD_CONFIG= ;; 2691 esac]) 2692 2693if test "x${with_build_config}" != x; then 2694 BUILD_CONFIG=$with_build_config 2695else 2696 case $BUILD_CONFIG in 2697 bootstrap-debug) 2698 if echo "int f (void) { return 0; }" > conftest.c && 2699 ${CC} -c conftest.c && 2700 mv conftest.o conftest.o.g0 && 2701 ${CC} -c -g conftest.c && 2702 mv conftest.o conftest.o.g && 2703 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2704 : 2705 else 2706 BUILD_CONFIG= 2707 fi 2708 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2709 ;; 2710 esac 2711fi 2712AC_MSG_RESULT($BUILD_CONFIG) 2713AC_SUBST(BUILD_CONFIG) 2714 2715# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2716AC_MSG_CHECKING([for --enable-vtable-verify]) 2717AC_ARG_ENABLE(vtable-verify, 2718[AS_HELP_STRING([--enable-vtable-verify], 2719 [Enable vtable verification feature])], 2720[case "$enableval" in 2721 yes) enable_vtable_verify=yes ;; 2722 no) enable_vtable_verify=no ;; 2723 *) enable_vtable_verify=no;; 2724 esac], 2725[enable_vtable_verify=no]) 2726AC_MSG_RESULT($enable_vtable_verify) 2727 2728# Record target_configdirs and the configure arguments for target and 2729# build configuration in Makefile. 2730target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2731build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2732bootstrap_fixincludes=no 2733 2734# If we are building libgomp, bootstrap it. 2735if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2736 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2737fi 2738 2739# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2740# or bootstrap-ubsan, bootstrap it. 2741if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2742 case "$BUILD_CONFIG" in 2743 *bootstrap-asan* | *bootstrap-ubsan* ) 2744 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2745 bootstrap_fixincludes=yes 2746 ;; 2747 esac 2748fi 2749 2750# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2751if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2752 test "$enable_vtable_verify" != no; then 2753 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2754fi 2755 2756# If we are building libmpx, bootstrap it. 2757if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2758 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2759fi 2760 2761# Determine whether gdb needs tk/tcl or not. 2762# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2763# and in that case we want gdb to be built without tk. Ugh! 2764# In fact I believe gdb is the *only* package directly dependent on tk, 2765# so we should be able to put the 'maybe's in unconditionally and 2766# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2767# 100% sure that that's safe though. 2768 2769gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2770case "$enable_gdbtk" in 2771 no) 2772 GDB_TK="" ;; 2773 yes) 2774 GDB_TK="${gdb_tk}" ;; 2775 *) 2776 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2777 # distro. Eventually someone will fix this and move Insight, nee 2778 # gdbtk to a separate directory. 2779 if test -d ${srcdir}/gdb/gdbtk ; then 2780 GDB_TK="${gdb_tk}" 2781 else 2782 GDB_TK="" 2783 fi 2784 ;; 2785esac 2786CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2787INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2788 2789# Strip out unwanted targets. 2790 2791# While at that, we remove Makefiles if we were started for recursive 2792# configuration, so that the top-level Makefile reconfigures them, 2793# like we used to do when configure itself was recursive. 2794 2795# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2796# but now we're fixing up the Makefile ourselves with the additional 2797# commands passed to AC_CONFIG_FILES. Use separate variables 2798# extrasub-{build,host,target} not because there is any reason to split 2799# the substitutions up that way, but only to remain below the limit of 2800# 99 commands in a script, for HP-UX sed. 2801# Do not nest @if/@endif pairs, because configure will not warn you at all. 2802 2803case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2804 yes:yes:*\ gold\ *:*,c++,*) ;; 2805 yes:yes:*\ gold\ *:*) 2806 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2807 ;; 2808esac 2809 2810extrasub_build= 2811for module in ${build_configdirs} ; do 2812 if test -z "${no_recursion}" \ 2813 && test -f ${build_subdir}/${module}/Makefile; then 2814 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2815 rm -f ${build_subdir}/${module}/Makefile 2816 fi 2817 extrasub_build="$extrasub_build 2818/^@if build-$module\$/d 2819/^@endif build-$module\$/d 2820/^@if build-$module-$bootstrap_suffix\$/d 2821/^@endif build-$module-$bootstrap_suffix\$/d" 2822done 2823extrasub_host= 2824for module in ${configdirs} ; do 2825 if test -z "${no_recursion}"; then 2826 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2827 if test -f ${file}; then 2828 echo 1>&2 "*** removing ${file} to force reconfigure" 2829 rm -f ${file} 2830 fi 2831 done 2832 fi 2833 case ${module},${bootstrap_fixincludes} in 2834 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2835 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2836 esac 2837 extrasub_host="$extrasub_host 2838/^@if $module\$/d 2839/^@endif $module\$/d 2840/^@if $module-$host_bootstrap_suffix\$/d 2841/^@endif $module-$host_bootstrap_suffix\$/d" 2842done 2843extrasub_target= 2844for module in ${target_configdirs} ; do 2845 if test -z "${no_recursion}" \ 2846 && test -f ${target_subdir}/${module}/Makefile; then 2847 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2848 rm -f ${target_subdir}/${module}/Makefile 2849 fi 2850 2851 # We only bootstrap target libraries listed in bootstrap_target_libs. 2852 case $bootstrap_target_libs in 2853 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2854 *) target_bootstrap_suffix=no-bootstrap ;; 2855 esac 2856 2857 extrasub_target="$extrasub_target 2858/^@if target-$module\$/d 2859/^@endif target-$module\$/d 2860/^@if target-$module-$target_bootstrap_suffix\$/d 2861/^@endif target-$module-$target_bootstrap_suffix\$/d" 2862done 2863 2864# Do the final fixup along with target modules. 2865extrasub_target="$extrasub_target 2866/^@if /,/^@endif /d" 2867 2868# Create the serialization dependencies. This uses a temporary file. 2869 2870AC_ARG_ENABLE([serial-configure], 2871[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2872 [force sequential configuration of 2873 sub-packages for the host, target or build 2874 machine, or all sub-packages])]) 2875 2876case ${enable_serial_configure} in 2877 yes) 2878 enable_serial_build_configure=yes 2879 enable_serial_host_configure=yes 2880 enable_serial_target_configure=yes 2881 ;; 2882esac 2883 2884# These force 'configure's to be done one at a time, to avoid problems 2885# with contention over a shared config.cache. 2886rm -f serdep.tmp 2887echo '# serdep.tmp' > serdep.tmp 2888olditem= 2889test "x${enable_serial_build_configure}" = xyes && 2890for item in ${build_configdirs} ; do 2891 case ${olditem} in 2892 "") ;; 2893 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2894 esac 2895 olditem=${item} 2896done 2897olditem= 2898test "x${enable_serial_host_configure}" = xyes && 2899for item in ${configdirs} ; do 2900 case ${olditem} in 2901 "") ;; 2902 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2903 esac 2904 olditem=${item} 2905done 2906olditem= 2907test "x${enable_serial_target_configure}" = xyes && 2908for item in ${target_configdirs} ; do 2909 case ${olditem} in 2910 "") ;; 2911 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2912 esac 2913 olditem=${item} 2914done 2915serialization_dependencies=serdep.tmp 2916AC_SUBST_FILE(serialization_dependencies) 2917 2918# Base args. Strip norecursion, cache-file, srcdir, host, build, 2919# target, nonopt, and variable assignments. These are the ones we 2920# might not want to pass down to subconfigures. The exception being 2921# --cache-file=/dev/null, which is used to turn off the use of cache 2922# files altogether, and which should be passed on to subconfigures. 2923# Also strip program-prefix, program-suffix, and program-transform-name, 2924# so that we can pass down a consistent program-transform-name. 2925baseargs= 2926tbaseargs= 2927keep_next=no 2928skip_next=no 2929eval "set -- $ac_configure_args" 2930for ac_arg 2931do 2932 if test X"$skip_next" = X"yes"; then 2933 skip_next=no 2934 continue 2935 fi 2936 if test X"$keep_next" = X"yes"; then 2937 case $ac_arg in 2938 *\'*) 2939 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2940 esac 2941 baseargs="$baseargs '$ac_arg'" 2942 tbaseargs="$tbaseargs '$ac_arg'" 2943 keep_next=no 2944 continue 2945 fi 2946 2947 # Handle separated arguments. Based on the logic generated by 2948 # autoconf 2.59. 2949 case $ac_arg in 2950 *=* | --config-cache | -C | -disable-* | --disable-* \ 2951 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2952 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2953 | -with-* | --with-* | -without-* | --without-* | --x) 2954 separate_arg=no 2955 ;; 2956 -*) 2957 separate_arg=yes 2958 ;; 2959 *) 2960 separate_arg=no 2961 ;; 2962 esac 2963 2964 skip_targ=no 2965 case $ac_arg in 2966changequote(,) 2967 --with-* | --without-*) 2968 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2969 2970 case $libopt in 2971 *[-_]include) 2972 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2973 ;; 2974 *[-_]lib) 2975 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2976 ;; 2977 *) 2978 lib=$libopt 2979 ;; 2980 esac 2981changequote([,]) 2982 2983 case $lib in 2984 mpc | mpfr | gmp | isl) 2985 # If we're processing --with-$lib, --with-$lib-include or 2986 # --with-$lib-lib, for one of the libs above, and target is 2987 # different from host, don't pass the current argument to any 2988 # target library's configure. 2989 if test x$is_cross_compiler = xyes; then 2990 skip_targ=yes 2991 fi 2992 ;; 2993 esac 2994 ;; 2995 esac 2996 2997 case "$ac_arg" in 2998 --cache-file=/dev/null | \ 2999 -cache-file=/dev/null ) 3000 # Handled here to avoid the test to skip args below. 3001 baseargs="$baseargs '$ac_arg'" 3002 tbaseargs="$tbaseargs '$ac_arg'" 3003 # Assert: $separate_arg should always be no. 3004 keep_next=$separate_arg 3005 ;; 3006 --no*) 3007 continue 3008 ;; 3009 --c* | \ 3010 --sr* | \ 3011 --ho* | \ 3012 --bu* | \ 3013 --t* | \ 3014 --program-* | \ 3015 -cache_file* | \ 3016 -srcdir* | \ 3017 -host* | \ 3018 -build* | \ 3019 -target* | \ 3020 -program-prefix* | \ 3021 -program-suffix* | \ 3022 -program-transform-name* ) 3023 skip_next=$separate_arg 3024 continue 3025 ;; 3026 -*) 3027 # An option. Add it. 3028 case $ac_arg in 3029 *\'*) 3030 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3031 esac 3032 baseargs="$baseargs '$ac_arg'" 3033 if test X"$skip_targ" = Xno; then 3034 tbaseargs="$tbaseargs '$ac_arg'" 3035 fi 3036 keep_next=$separate_arg 3037 ;; 3038 *) 3039 # Either a variable assignment, or a nonopt (triplet). Don't 3040 # pass it down; let the Makefile handle this. 3041 continue 3042 ;; 3043 esac 3044done 3045# Remove the initial space we just introduced and, as these will be 3046# expanded by make, quote '$'. 3047baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3048 3049# Add in --program-transform-name, after --program-prefix and 3050# --program-suffix have been applied to it. Autoconf has already 3051# doubled dollar signs and backslashes in program_transform_name; we want 3052# the backslashes un-doubled, and then the entire thing wrapped in single 3053# quotes, because this will be expanded first by make and then by the shell. 3054# Also, because we want to override the logic in subdir configure scripts to 3055# choose program_transform_name, replace any s,x,x, with s,y,y,. 3056sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3057${program_transform_name} 3058EOF_SED 3059gcc_transform_name=`cat conftestsed.out` 3060rm -f conftestsed.out 3061baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3062tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3063if test "$silent" = yes; then 3064 baseargs="$baseargs --silent" 3065 tbaseargs="$tbaseargs --silent" 3066fi 3067baseargs="$baseargs --disable-option-checking" 3068tbaseargs="$tbaseargs --disable-option-checking" 3069 3070# Record and document user additions to sub configure arguments. 3071AC_ARG_VAR([build_configargs], 3072 [additional configure arguments for build directories]) 3073AC_ARG_VAR([host_configargs], 3074 [additional configure arguments for host directories]) 3075AC_ARG_VAR([target_configargs], 3076 [additional configure arguments for target directories]) 3077 3078# For the build-side libraries, we just need to pretend we're native, 3079# and not use the same cache file. Multilibs are neither needed nor 3080# desired. We can't even use the same cache file for all build-side 3081# libraries, as they're compiled differently; some with C, some with 3082# C++ or with different feature-enabling options. 3083build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3084 3085# For host modules, accept cache file option, or specification as blank. 3086case "${cache_file}" in 3087"") # empty 3088 cache_file_option="" ;; 3089/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3090 cache_file_option="--cache-file=${cache_file}" ;; 3091*) # relative path 3092 cache_file_option="--cache-file=../${cache_file}" ;; 3093esac 3094 3095# Host dirs don't like to share a cache file either, horribly enough. 3096# This seems to be due to autoconf 2.5x stupidity. 3097host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3098 3099target_configargs="$target_configargs ${tbaseargs}" 3100 3101# Passing a --with-cross-host argument lets the target libraries know 3102# whether they are being built with a cross-compiler or being built 3103# native. However, it would be better to use other mechanisms to make the 3104# sorts of decisions they want to make on this basis. Please consider 3105# this option to be deprecated. FIXME. 3106if test x${is_cross_compiler} = xyes ; then 3107 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3108fi 3109 3110# Special user-friendly check for native x86_64-linux build, if 3111# multilib is not explicitly enabled. 3112case "$target:$have_compiler:$host:$target:$enable_multilib" in 3113 x86_64-*linux*:yes:$build:$build:) 3114 # Make sure we have a development environment that handles 32-bit 3115 dev64=no 3116 echo "int main () { return 0; }" > conftest.c 3117 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3118 if test $? = 0 ; then 3119 if test -s conftest || test -s conftest.exe ; then 3120 dev64=yes 3121 fi 3122 fi 3123 rm -f conftest* 3124 if test x${dev64} != xyes ; then 3125 AC_MSG_ERROR([I suspect your system does not have 32-bit development 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.]) 3126 fi 3127 ;; 3128esac 3129 3130# Default to --enable-multilib. 3131if test x${enable_multilib} = x ; then 3132 target_configargs="--enable-multilib ${target_configargs}" 3133fi 3134 3135# Pass --with-newlib if appropriate. Note that target_configdirs has 3136# changed from the earlier setting of with_newlib. 3137if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3138 target_configargs="--with-newlib ${target_configargs}" 3139fi 3140 3141# Different target subdirs use different values of certain variables 3142# (notably CXX). Worse, multilibs use *lots* of different values. 3143# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3144# it doesn't automatically accept command-line overrides of them. 3145# This means it's not safe for target subdirs to share a cache file, 3146# which is disgusting, but there you have it. Hopefully this can be 3147# fixed in future. It's still worthwhile to use a cache file for each 3148# directory. I think. 3149 3150# Pass the appropriate --build, --host, --target and --cache-file arguments. 3151# We need to pass --target, as newer autoconf's requires consistency 3152# for target_alias and gcc doesn't manage it consistently. 3153target_configargs="--cache-file=./config.cache ${target_configargs}" 3154 3155FLAGS_FOR_TARGET= 3156case " $target_configdirs " in 3157 *" newlib "*) 3158 case " $target_configargs " in 3159 *" --with-newlib "*) 3160 case "$target" in 3161 *-cygwin*) 3162 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3163 ;; 3164 esac 3165 3166 # If we're not building GCC, don't discard standard headers. 3167 if test -d ${srcdir}/gcc; then 3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3169 3170 if test "${build}" != "${host}"; then 3171 # On Canadian crosses, CC_FOR_TARGET will have already been set 3172 # by `configure', so we won't have an opportunity to add -Bgcc/ 3173 # to it. This is right: we don't want to search that directory 3174 # for binaries, but we want the header files in there, so add 3175 # them explicitly. 3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3177 3178 # Someone might think of using the pre-installed headers on 3179 # Canadian crosses, in case the installed compiler is not fully 3180 # compatible with the compiler being built. In this case, it 3181 # would be better to flag an error than risking having 3182 # incompatible object files being constructed. We can't 3183 # guarantee that an error will be flagged, but let's hope the 3184 # compiler will do it, when presented with incompatible header 3185 # files. 3186 fi 3187 fi 3188 3189 case "${target}-${is_cross_compiler}" in 3190 i[[3456789]]86-*-linux*-no) 3191 # Here host == target, so we don't need to build gcc, 3192 # so we don't want to discard standard headers. 3193 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3194 ;; 3195 *) 3196 # If we're building newlib, use its generic headers last, but search 3197 # for any libc-related directories first (so make it the last -B 3198 # switch). 3199 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3200 3201 # If we're building libgloss, find the startup file, simulator library 3202 # and linker script. 3203 case " $target_configdirs " in 3204 *" libgloss "*) 3205 # Look for startup file, simulator library and maybe linker script. 3206 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3207 # Look for libnosys.a in case the target needs it. 3208 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3209 # Most targets have the linker script in the source directory. 3210 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3211 ;; 3212 esac 3213 ;; 3214 esac 3215 ;; 3216 esac 3217 ;; 3218esac 3219 3220case "$target" in 3221 x86_64-*mingw* | *-w64-mingw*) 3222 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3223 # however, use a symlink named 'mingw' in ${prefix} . 3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3225 ;; 3226 *-mingw*) 3227 # MinGW can't be handled as Cygwin above since it does not use newlib. 3228 FLAGS_FOR_TARGET=$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' 3229 ;; 3230esac 3231 3232# Allow the user to override the flags for 3233# our build compiler if desired. 3234if test x"${build}" = x"${host}" ; then 3235 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3236 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3237 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3238fi 3239 3240# On Canadian crosses, we'll be searching the right directories for 3241# the previously-installed cross compiler, so don't bother to add 3242# flags for directories within the install tree of the compiler 3243# being built; programs in there won't even run. 3244if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3245 # Search for pre-installed headers if nothing else fits. 3246 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3247fi 3248 3249if test "x${use_gnu_ld}" = x && 3250 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3251 # Arrange for us to find uninstalled linker scripts. 3252 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3253fi 3254 3255# Search for other target-specific linker scripts and such. 3256case "${target}" in 3257 mep*) 3258 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3259 ;; 3260esac 3261 3262# Makefile fragments. 3263for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3264do 3265 eval fragval=\$$frag 3266 if test $fragval != /dev/null; then 3267 eval $frag=${srcdir}/$fragval 3268 fi 3269done 3270AC_SUBST_FILE(host_makefile_frag) 3271AC_SUBST_FILE(target_makefile_frag) 3272AC_SUBST_FILE(alphaieee_frag) 3273AC_SUBST_FILE(ospace_frag) 3274 3275# Miscellanea: directories, flags, etc. 3276AC_SUBST(RPATH_ENVVAR) 3277AC_SUBST(GCC_SHLIB_SUBDIR) 3278AC_SUBST(tooldir) 3279AC_SUBST(build_tooldir) 3280AC_SUBST(CONFIGURE_GDB_TK) 3281AC_SUBST(GDB_TK) 3282AC_SUBST(INSTALL_GDB_TK) 3283 3284# Build module lists & subconfigure args. 3285AC_SUBST(build_configargs) 3286AC_SUBST(build_configdirs) 3287 3288# Host module lists & subconfigure args. 3289AC_SUBST(host_configargs) 3290AC_SUBST(configdirs) 3291AC_SUBST(target_configdirs) 3292 3293# Target module lists & subconfigure args. 3294AC_SUBST(target_configargs) 3295 3296 3297# Build tools. 3298AC_SUBST(AR_FOR_BUILD) 3299AC_SUBST(AS_FOR_BUILD) 3300AC_SUBST(CC_FOR_BUILD) 3301AC_SUBST(CFLAGS_FOR_BUILD) 3302AC_SUBST(CXXFLAGS_FOR_BUILD) 3303AC_SUBST(CXX_FOR_BUILD) 3304AC_SUBST(DLLTOOL_FOR_BUILD) 3305AC_SUBST(GCJ_FOR_BUILD) 3306AC_SUBST(GFORTRAN_FOR_BUILD) 3307AC_SUBST(GOC_FOR_BUILD) 3308AC_SUBST(LDFLAGS_FOR_BUILD) 3309AC_SUBST(LD_FOR_BUILD) 3310AC_SUBST(NM_FOR_BUILD) 3311AC_SUBST(RANLIB_FOR_BUILD) 3312AC_SUBST(WINDMC_FOR_BUILD) 3313AC_SUBST(WINDRES_FOR_BUILD) 3314 3315# Generate default definitions for YACC, M4, LEX and other programs that run 3316# on the build machine. These are used if the Makefile can't locate these 3317# programs in objdir. 3318MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3319 3320AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3321case " $build_configdirs " in 3322 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3323esac 3324 3325AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3326case " $build_configdirs " in 3327 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3328esac 3329 3330AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3331case " $build_configdirs " in 3332 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3333esac 3334 3335AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3336case " $build_configdirs " in 3337 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3338 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3339esac 3340 3341AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3342case " $build_configdirs " in 3343 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3344esac 3345 3346AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3347case " $build_configdirs " in 3348 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3349 *) 3350changequote(,) 3351 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3352 # higher, else we use the "missing" dummy. 3353 if ${MAKEINFO} --version \ 3354 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3355 : 3356 else 3357 MAKEINFO="$MISSING makeinfo" 3358 fi 3359 ;; 3360changequote([,]) 3361esac 3362 3363# FIXME: expect and dejagnu may become build tools? 3364 3365AC_CHECK_PROGS(EXPECT, expect, expect) 3366case " $configdirs " in 3367 *" expect "*) 3368 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3369 ;; 3370esac 3371 3372AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3373case " $configdirs " in 3374 *" dejagnu "*) 3375 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3376 ;; 3377esac 3378 3379 3380# Host tools. 3381NCN_STRICT_CHECK_TOOLS(AR, ar) 3382NCN_STRICT_CHECK_TOOLS(AS, as) 3383NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3384NCN_STRICT_CHECK_TOOLS(LD, ld) 3385NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3386NCN_STRICT_CHECK_TOOLS(NM, nm) 3387NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3388NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3389NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3390NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3391NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3392NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3393NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3394AC_SUBST(CC) 3395AC_SUBST(CXX) 3396AC_SUBST(CFLAGS) 3397AC_SUBST(CXXFLAGS) 3398 3399# Target tools. 3400AC_ARG_WITH([build-time-tools], 3401 [AS_HELP_STRING([--with-build-time-tools=PATH], 3402 [use given path to find target tools during the build])], 3403 [case x"$withval" in 3404 x/*) ;; 3405 *) 3406 with_build_time_tools= 3407 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3408 ;; 3409 esac], 3410 [with_build_time_tools=]) 3411 3412NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3413NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3414NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3415NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3416NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3417NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3418 3419ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3420ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3421ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3422ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3423ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3424ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3425ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3426ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3427ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3428ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3429ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3430ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3431ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3432 3433RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3434 3435GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3436GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3437GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3438dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3439GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3440 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3441 c++) 3442GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3443 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3444 c++) 3445GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3446GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3447GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3448 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3449GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3450 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3451GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3452 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3453GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3454GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3455GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3456GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3457GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3458GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3459GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3460GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3461GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3462GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3463 3464AC_SUBST(FLAGS_FOR_TARGET) 3465AC_SUBST(RAW_CXX_FOR_TARGET) 3466 3467# Certain tools may need extra flags. 3468AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3469RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3470NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3471 3472# When building target libraries, except in a Canadian cross, we use 3473# the same toolchain as the compiler we just built. 3474COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3475COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3476COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3477if test $host = $build; then 3478 case " $configdirs " in 3479 *" gcc "*) 3480 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3481 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3482 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3483 ;; 3484 esac 3485fi 3486 3487AC_SUBST(COMPILER_AS_FOR_TARGET) 3488AC_SUBST(COMPILER_LD_FOR_TARGET) 3489AC_SUBST(COMPILER_NM_FOR_TARGET) 3490 3491AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3492AC_ARG_ENABLE(maintainer-mode, 3493[AS_HELP_STRING([--enable-maintainer-mode], 3494 [enable make rules and dependencies not useful 3495 (and sometimes confusing) to the casual installer])], 3496 USE_MAINTAINER_MODE=$enableval, 3497 USE_MAINTAINER_MODE=no) 3498AC_MSG_RESULT($USE_MAINTAINER_MODE) 3499AC_SUBST(MAINTAINER_MODE_TRUE) 3500AC_SUBST(MAINTAINER_MODE_FALSE) 3501if test "$USE_MAINTAINER_MODE" = yes; then 3502 MAINTAINER_MODE_TRUE= 3503 MAINTAINER_MODE_FALSE='#' 3504else 3505 MAINTAINER_MODE_TRUE='#' 3506 MAINTAINER_MODE_FALSE= 3507fi 3508MAINT=$MAINTAINER_MODE_TRUE 3509AC_SUBST(MAINT)dnl 3510 3511# --------------------- 3512# GCC bootstrap support 3513# --------------------- 3514 3515# Stage specific cflags for build. 3516stage1_cflags="-g" 3517case $build in 3518 vax-*-*) 3519 case ${GCC} in 3520 yes) stage1_cflags="-g -Wa,-J" ;; 3521 *) stage1_cflags="-g -J" ;; 3522 esac ;; 3523esac 3524 3525AC_SUBST(stage1_cflags) 3526 3527# Enable --enable-checking in stage1 of the compiler. 3528AC_ARG_ENABLE(stage1-checking, 3529[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3530 [choose additional checking for stage1 of the compiler])], 3531[stage1_checking=--enable-checking=${enable_stage1_checking}], 3532[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3533 # For --disable-checking or implicit --enable-checking=release, avoid 3534 # setting --enable-checking=gc in the default stage1 checking for LTO 3535 # bootstraps. See PR62077. 3536 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3537 case $BUILD_CONFIG in 3538 *lto*) 3539 if test "x$enable_checking" = x && \ 3540 test -d ${srcdir}/gcc && \ 3541 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3542 stage1_checking=--enable-checking=yes,types 3543 fi;; 3544 *) stage1_checking=--enable-checking=yes,types;; 3545 esac 3546else 3547 stage1_checking=--enable-checking=$enable_checking,types 3548fi]) 3549AC_SUBST(stage1_checking) 3550 3551# Enable -Werror in bootstrap stage2 and later. 3552AC_ARG_ENABLE(werror, 3553[AS_HELP_STRING([--enable-werror], 3554 [enable -Werror in bootstrap stage2 and later])], [], 3555[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3556 enable_werror=yes 3557else 3558 enable_werror=no 3559fi]) 3560case ${enable_werror} in 3561 yes) stage2_werror_flag="--enable-werror-always" ;; 3562 *) stage2_werror_flag="" ;; 3563esac 3564AC_SUBST(stage2_werror_flag) 3565 3566# Enable --enable-host-shared. 3567AC_ARG_ENABLE(host-shared, 3568[AS_HELP_STRING([--enable-host-shared], 3569 [build host code as shared libraries])], 3570[host_shared=$enableval], [host_shared=no]) 3571AC_SUBST(host_shared) 3572 3573# PR jit/64780: Require the user to explicitly specify 3574# --enable-host-shared if the jit is enabled, hinting 3575# that they might want to do a separate configure/build of 3576# the jit, to avoid users from slowing down the rest of the 3577# compiler by enabling the jit. 3578if test ${host_shared} = "no" ; then 3579 case "${enable_languages}" in 3580 *jit*) 3581 AC_MSG_ERROR([ 3582Enabling language "jit" requires --enable-host-shared. 3583 3584--enable-host-shared typically slows the rest of the compiler down by 3585a few %, so you must explicitly enable it. 3586 3587If you want to build both the jit and the regular compiler, it is often 3588best to do this via two separate configure/builds, in separate 3589directories, to avoid imposing the performance cost of 3590--enable-host-shared on the regular compiler.]) 3591 ;; 3592 *) 3593 ;; 3594 esac 3595fi 3596 3597# Specify what files to not compare during bootstrap. 3598 3599compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3600case "$target" in 3601 hppa*64*-*-hpux*) ;; 3602 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3603 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3604esac 3605AC_SUBST(compare_exclusions) 3606 3607AC_CONFIG_FILES([Makefile], 3608 [sed "$extrasub_build" Makefile | 3609 sed "$extrasub_host" | 3610 sed "$extrasub_target" > mf$$ 3611 mv -f mf$$ Makefile], 3612 [extrasub_build="$extrasub_build" 3613 extrasub_host="$extrasub_host" 3614 extrasub_target="$extrasub_target"]) 3615AC_OUTPUT 3616