configure.ac revision 1.5
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="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*-*-*) 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# Configure extra directories which are host specific 397 398case "${host}" in 399 *-cygwin*) 400 configdirs="$configdirs libtermcap" ;; 401esac 402 403# A target can indicate whether a language isn't supported for some reason. 404# Only spaces may be used in this macro; not newlines or tabs. 405unsupported_languages= 406 407# Remove more programs from consideration, based on the host or 408# target this usually means that a port of the program doesn't 409# exist yet. 410 411case "${host}" in 412 i[[3456789]]86-*-msdosdjgpp*) 413 noconfigdirs="$noconfigdirs tcl tk itcl" 414 ;; 415esac 416 417 418AC_ARG_ENABLE(libquadmath, 419AS_HELP_STRING([--disable-libquadmath], 420 [do not build libquadmath directory]), 421ENABLE_LIBQUADMATH=$enableval, 422ENABLE_LIBQUADMATH=yes) 423if test "${ENABLE_LIBQUADMATH}" = "no" ; then 424 noconfigdirs="$noconfigdirs target-libquadmath" 425fi 426 427 428AC_ARG_ENABLE(libquadmath-support, 429AS_HELP_STRING([--disable-libquadmath-support], 430 [disable libquadmath support for Fortran]), 431ENABLE_LIBQUADMATH_SUPPORT=$enableval, 432ENABLE_LIBQUADMATH_SUPPORT=yes) 433enable_libquadmath_support= 434if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 435 enable_libquadmath_support=no 436fi 437 438 439AC_ARG_ENABLE(libada, 440[AS_HELP_STRING([--enable-libada], [build libada directory])], 441ENABLE_LIBADA=$enableval, 442ENABLE_LIBADA=yes) 443if test "${ENABLE_LIBADA}" != "yes" ; then 444 noconfigdirs="$noconfigdirs gnattools" 445fi 446 447AC_ARG_ENABLE(libssp, 448[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 449ENABLE_LIBSSP=$enableval, 450ENABLE_LIBSSP=yes) 451 452AC_ARG_ENABLE(libstdcxx, 453AS_HELP_STRING([--disable-libstdcxx], 454 [do not build libstdc++-v3 directory]), 455ENABLE_LIBSTDCXX=$enableval, 456ENABLE_LIBSTDCXX=default) 457[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 458 noconfigdirs="$noconfigdirs target-libstdc++-v3" 459fi] 460 461# If this is accelerator compiler and its target is intelmic we enable 462# target liboffloadmic by default. If this is compiler with offloading 463# for intelmic we enable host liboffloadmic by default. Otherwise 464# liboffloadmic is disabled by default. 465AC_ARG_ENABLE([liboffloadmic], 466AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 467 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 468[case "$enableval" in 469 no | host | target) 470 enable_liboffloadmic=$enableval ;; 471 *) 472 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 473esac], 474[if test x"$enable_as_accelerator_for" != x; then 475 case "${target}" in 476 *-intelmic-* | *-intelmicemul-*) 477 enable_liboffloadmic=target 478 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 479 ;; 480 *) 481 enable_liboffloadmic=no 482 ;; 483 esac 484else 485 case "${enable_offload_targets}" in 486 *-intelmic-* | *-intelmicemul-*) 487 enable_liboffloadmic=host 488 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 489 ;; 490 *) 491 enable_liboffloadmic=no 492 ;; 493 esac 494fi]) 495AC_SUBST(extra_liboffloadmic_configure_flags) 496 497# Save it here so that, even in case of --enable-libgcj, if the Java 498# front-end isn't enabled, we still get libgcj disabled. 499libgcj_saved=$libgcj 500case $enable_libgcj in 501yes) 502 # If we reset it here, it won't get added to noconfigdirs in the 503 # target-specific build rules, so it will be forcibly enabled 504 # (unless the Java language itself isn't enabled). 505 libgcj= 506 ;; 507no) 508 # Make sure we get it printed in the list of not supported target libs. 509 # Don't disable libffi, though, other languages use it. 510 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 511 # Clear libgcj_saved so that even if java is enabled libffi won't be 512 # built. 513 libgcj_saved= 514 ;; 515esac 516 517AC_ARG_ENABLE(static-libjava, 518[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 519 [build static libjava @<:@default=no@:>@])], 520ENABLE_STATIC_LIBJAVA=$enableval, 521ENABLE_STATIC_LIBJAVA=no) 522enable_static_libjava= 523if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 524 enable_static_libjava=yes 525fi 526 527if test x$enable_static_libjava != xyes ; then 528 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 529fi 530AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 531 532# Disable libgomp on non POSIX hosted systems. 533if test x$enable_libgomp = x ; then 534 # Enable libgomp by default on hosted POSIX systems. 535 case "${target}" in 536 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 537 ;; 538 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 539 ;; 540 *-*-solaris2* | *-*-hpux11*) 541 ;; 542 *-*-darwin* | *-*-aix*) 543 ;; 544 *) 545 noconfigdirs="$noconfigdirs target-libgomp" 546 ;; 547 esac 548fi 549 550# Disable libatomic on unsupported systems. 551if test -d ${srcdir}/libatomic; then 552 if test x$enable_libatomic = x; then 553 AC_MSG_CHECKING([for libatomic support]) 554 if (srcdir=${srcdir}/libatomic; \ 555 . ${srcdir}/configure.tgt; \ 556 test -n "$UNSUPPORTED") 557 then 558 AC_MSG_RESULT([no]) 559 noconfigdirs="$noconfigdirs target-libatomic" 560 else 561 AC_MSG_RESULT([yes]) 562 fi 563 fi 564fi 565 566# Disable libcilkrts on unsupported systems. 567if test -d ${srcdir}/libcilkrts; then 568 if test x$enable_libcilkrts = x; then 569 AC_MSG_CHECKING([for libcilkrts support]) 570 if (srcdir=${srcdir}/libcilkrts; \ 571 . ${srcdir}/configure.tgt; \ 572 test -n "$UNSUPPORTED") 573 then 574 AC_MSG_RESULT([no]) 575 noconfigdirs="$noconfigdirs target-libcilkrts" 576 else 577 AC_MSG_RESULT([yes]) 578 fi 579 fi 580fi 581 582# Disable liboffloadmic on unsupported systems. 583if test -d ${srcdir}/liboffloadmic; then 584 if test x$enable_liboffloadmic != xno; then 585 AC_MSG_CHECKING([for liboffloadmic support]) 586 if (srcdir=${srcdir}/liboffloadmic; \ 587 . ${srcdir}/configure.tgt; \ 588 test -n "$UNSUPPORTED") 589 then 590 AC_MSG_RESULT([no]) 591 noconfigdirs="$noconfigdirs target-liboffloadmic" 592 else 593 AC_MSG_RESULT([yes]) 594 fi 595 fi 596fi 597 598# Disable libitm on unsupported systems. 599if test -d ${srcdir}/libitm; then 600 if test x$enable_libitm = x; then 601 AC_MSG_CHECKING([for libitm support]) 602 if (srcdir=${srcdir}/libitm; \ 603 . ${srcdir}/configure.tgt; \ 604 test -n "$UNSUPPORTED") 605 then 606 AC_MSG_RESULT([no]) 607 noconfigdirs="$noconfigdirs target-libitm" 608 else 609 AC_MSG_RESULT([yes]) 610 fi 611 fi 612fi 613 614# Disable libsanitizer on unsupported systems. 615if test -d ${srcdir}/libsanitizer; then 616 if test x$enable_libsanitizer = x; then 617 AC_MSG_CHECKING([for libsanitizer support]) 618 if (srcdir=${srcdir}/libsanitizer; \ 619 . ${srcdir}/configure.tgt; \ 620 test -n "$UNSUPPORTED") 621 then 622 AC_MSG_RESULT([no]) 623 noconfigdirs="$noconfigdirs target-libsanitizer" 624 else 625 AC_MSG_RESULT([yes]) 626 fi 627 fi 628fi 629 630# Disable libvtv on unsupported systems. 631if test -d ${srcdir}/libvtv; then 632 if test x$enable_libvtv = x; then 633 AC_MSG_CHECKING([for libvtv support]) 634 if (srcdir=${srcdir}/libvtv; \ 635 . ${srcdir}/configure.tgt; \ 636 test "$VTV_SUPPORTED" != "yes") 637 then 638 AC_MSG_RESULT([no]) 639 noconfigdirs="$noconfigdirs target-libvtv" 640 else 641 AC_MSG_RESULT([yes]) 642 fi 643 fi 644fi 645 646 647# Enable libmpx on supported systems by request. 648if test -d ${srcdir}/libmpx; then 649 if test x$enable_libmpx = xyes; then 650 AC_MSG_CHECKING([for libmpx support]) 651 if (srcdir=${srcdir}/libmpx; \ 652 . ${srcdir}/configure.tgt; \ 653 test "$LIBMPX_SUPPORTED" != "yes") 654 then 655 AC_MSG_RESULT([no]) 656 noconfigdirs="$noconfigdirs target-libmpx" 657 else 658 AC_MSG_RESULT([yes]) 659 fi 660 else 661 noconfigdirs="$noconfigdirs target-libmpx" 662 fi 663fi 664 665 666 667# Disable libquadmath for some systems. 668case "${target}" in 669 avr-*-*) 670 noconfigdirs="$noconfigdirs target-libquadmath" 671 ;; 672 # libquadmath is unused on AIX and libquadmath build process use of 673 # LD_LIBRARY_PATH can break AIX bootstrap. 674 powerpc-*-aix* | rs6000-*-aix*) 675 noconfigdirs="$noconfigdirs target-libquadmath" 676 ;; 677esac 678 679# Disable libssp for some systems. 680case "${target}" in 681 avr-*-*) 682 # No hosted I/O support. 683 noconfigdirs="$noconfigdirs target-libssp" 684 ;; 685 powerpc-*-aix* | rs6000-*-aix*) 686 noconfigdirs="$noconfigdirs target-libssp" 687 ;; 688 rl78-*-*) 689 # libssp uses a misaligned load to trigger a fault, but the RL78 690 # doesn't fault for those - instead, it gives a build-time error 691 # for explicit misaligned loads. 692 noconfigdirs="$noconfigdirs target-libssp" 693 ;; 694 visium-*-*) 695 # No hosted I/O support. 696 noconfigdirs="$noconfigdirs target-libssp" 697 ;; 698esac 699 700# Disable libstdc++-v3 for some systems. 701# Allow user to override this if they pass --enable-libstdc++-v3 702if test "${ENABLE_LIBSTDCXX}" = "default" ; then 703 case "${target}" in 704 *-*-vxworks*) 705 # VxWorks uses the Dinkumware C++ library. 706 noconfigdirs="$noconfigdirs target-libstdc++-v3" 707 ;; 708 arm*-wince-pe*) 709 # the C++ libraries don't build on top of CE's C libraries 710 noconfigdirs="$noconfigdirs target-libstdc++-v3" 711 ;; 712 avr-*-*) 713 noconfigdirs="$noconfigdirs target-libstdc++-v3" 714 ;; 715 esac 716fi 717 718# Disable Fortran for some systems. 719case "${target}" in 720 mmix-*-*) 721 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 722 unsupported_languages="$unsupported_languages fortran" 723 ;; 724esac 725 726# Disable Java if libffi is not supported. 727case "${target}" in 728 aarch64-*-*) 729 ;; 730 alpha*-*-*) 731 ;; 732 arm*-*-*) 733 ;; 734 cris-*-*) 735 ;; 736 frv-*-*) 737 ;; 738 hppa*-*-linux*) 739 ;; 740 hppa*-*-hpux*) 741 ;; 742 i?86-*-*) 743 ;; 744 ia64*-*-*) 745 ;; 746 m32r*-*-*) 747 ;; 748 m68k-*-*) 749 ;; 750 mips*-*-rtems*) 751 ;; 752 mips*-*-linux*) 753 ;; 754 powerpc*-*-linux*) 755 ;; 756 powerpc-*-darwin*) 757 ;; 758 powerpc-*-aix* | rs6000-*-aix*) 759 ;; 760 powerpc-*-freebsd*) 761 ;; 762 powerpc64-*-freebsd*) 763 ;; 764 powerpc*-*-rtems*) 765 ;; 766 s390-*-* | s390x-*-*) 767 ;; 768 sh-*-* | sh[[34]]*-*-*) 769 ;; 770 sh64-*-* | sh5*-*-*) 771 ;; 772 sparc*-*-*) 773 ;; 774 x86_64-*-*) 775 ;; 776 *-*-*) 777 unsupported_languages="$unsupported_languages java" 778 ;; 779esac 780 781# Disable Java, libgcj or related libraries for some systems. 782case "${target}" in 783 powerpc-*-darwin*) 784 ;; 785 i[[3456789]]86-*-darwin*) 786 ;; 787 x86_64-*-darwin[[912]]*) 788 ;; 789 *-*-darwin*) 790 noconfigdirs="$noconfigdirs ${libgcj}" 791 ;; 792 *-*-netware*) 793 noconfigdirs="$noconfigdirs ${libgcj}" 794 ;; 795 *-*-rtems*) 796 noconfigdirs="$noconfigdirs ${libgcj}" 797 ;; 798 *-*-tpf*) 799 noconfigdirs="$noconfigdirs ${libgcj}" 800 ;; 801 *-*-uclinux*) 802 noconfigdirs="$noconfigdirs ${libgcj}" 803 ;; 804 *-*-vxworks*) 805 noconfigdirs="$noconfigdirs ${libgcj}" 806 ;; 807 alpha*-*-*vms*) 808 noconfigdirs="$noconfigdirs ${libgcj}" 809 ;; 810 arm*-*-freebsd*) 811 noconfigdirs="$noconfigdirs ${libgcj}" 812 ;; 813 arm-wince-pe) 814 noconfigdirs="$noconfigdirs ${libgcj}" 815 ;; 816 arm*-*-symbianelf*) 817 noconfigdirs="$noconfigdirs ${libgcj}" 818 ;; 819 bfin-*-*) 820 noconfigdirs="$noconfigdirs target-boehm-gc" 821 ;; 822 cris-*-* | crisv32-*-*) 823 unsupported_languages="$unsupported_languages java" 824 case "${target}" in 825 *-*-linux*) 826 ;; 827 *) # See PR46792 regarding target-libffi. 828 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 829 esac 830 ;; 831 hppa*64*-*-linux*) 832 # In this case, it's because the hppa64-linux target is for 833 # the kernel only at this point and has no libc, and thus no 834 # headers, crt*.o, etc., all of which are needed by these. 835 unsupported_languages="$unsupported_languages java" 836 ;; 837 hppa*64*-*-hpux*) 838 noconfigdirs="$noconfigdirs ${libgcj}" 839 ;; 840 hppa*-hp-hpux11*) 841 ;; 842 hppa*-*-hpux*) 843 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 844 # build on HP-UX 10.20. 845 noconfigdirs="$noconfigdirs ${libgcj}" 846 ;; 847 ia64*-*-*vms*) 848 noconfigdirs="$noconfigdirs ${libgcj}" 849 ;; 850 i[[3456789]]86-w64-mingw*) 851 noconfigdirs="$noconfigdirs ${libgcj}" 852 ;; 853 i[[3456789]]86-*-mingw*) 854 noconfigdirs="$noconfigdirs ${libgcj}" 855 ;; 856 x86_64-*-mingw*) 857 noconfigdirs="$noconfigdirs ${libgcj}" 858 ;; 859 mmix-*-*) 860 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 861 ;; 862 powerpc-*-aix*) 863 # copied from rs6000-*-* entry 864 noconfigdirs="$noconfigdirs ${libgcj}" 865 ;; 866 rs6000-*-aix*) 867 noconfigdirs="$noconfigdirs ${libgcj}" 868 ;; 869 ft32-*-*) 870 noconfigdirs="$noconfigdirs ${libgcj}" 871 ;; 872 *-*-lynxos*) 873 noconfigdirs="$noconfigdirs ${libgcj}" 874 ;; 875esac 876 877# Disable the go frontend on systems where it is known to not work. Please keep 878# this in sync with contrib/config-list.mk. 879case "${target}" in 880*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 881 unsupported_languages="$unsupported_languages go" 882 ;; 883esac 884 885# Disable libgo for some systems where it is known to not work. 886# For testing, you can easily override this with --enable-libgo. 887if test x$enable_libgo = x; then 888 case "${target}" in 889 *-*-darwin*) 890 # PR 46986 891 noconfigdirs="$noconfigdirs target-libgo" 892 ;; 893 *-*-cygwin* | *-*-mingw*) 894 noconfigdirs="$noconfigdirs target-libgo" 895 ;; 896 *-*-aix*) 897 noconfigdirs="$noconfigdirs target-libgo" 898 ;; 899 esac 900fi 901 902# Default libgloss CPU subdirectory. 903libgloss_dir="$target_cpu" 904 905case "${target}" in 906 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 907 libgloss_dir=wince 908 ;; 909 aarch64*-*-* ) 910 libgloss_dir=aarch64 911 ;; 912 arm*-*-*) 913 libgloss_dir=arm 914 ;; 915 cris-*-* | crisv32-*-*) 916 libgloss_dir=cris 917 ;; 918 hppa*-*-*) 919 libgloss_dir=pa 920 ;; 921 i[[3456789]]86-*-*) 922 libgloss_dir=i386 923 ;; 924 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 925 libgloss_dir=m68hc11 926 ;; 927 m68*-*-* | fido-*-*) 928 libgloss_dir=m68k 929 ;; 930 mips*-*-*) 931 libgloss_dir=mips 932 ;; 933 powerpc*-*-*) 934 libgloss_dir=rs6000 935 ;; 936 sparc*-*-*) 937 libgloss_dir=sparc 938 ;; 939esac 940 941# Disable newlib and libgloss for various target OSes. 942case "${target}" in 943 alpha*-dec-osf*) 944 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 945 ;; 946 i[[3456789]]86-*-linux*) 947 # This section makes it possible to build newlib natively on linux. 948 # If we are using a cross compiler then don't configure newlib. 949 if test x${is_cross_compiler} != xno ; then 950 noconfigdirs="$noconfigdirs target-newlib" 951 fi 952 noconfigdirs="$noconfigdirs target-libgloss" 953 # If we are not using a cross compiler, do configure newlib. 954 # Note however, that newlib will only be configured in this situation 955 # if the --with-newlib option has been given, because otherwise 956 # 'target-newlib' will appear in skipdirs. 957 ;; 958 i[[3456789]]86-*-rdos*) 959 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 960 ;; 961 sh*-*-pe|mips*-*-pe|arm-wince-pe) 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 963 ;; 964 sparc-*-sunos4*) 965 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 966 ;; 967 *-*-aix*) 968 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 969 ;; 970 *-*-beos*) 971 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 972 ;; 973 *-*-chorusos) 974 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 975 ;; 976 *-*-dragonfly*) 977 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 978 ;; 979 *-*-freebsd*) 980 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 981 ;; 982 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 983 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 984 ;; 985 *-*-lynxos*) 986 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 987 ;; 988 *-*-mingw*) 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 990 ;; 991 *-*-netbsd*) 992 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 993 ;; 994 *-*-netware*) 995 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 996 ;; 997 *-*-tpf*) 998 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 999 ;; 1000 *-*-uclinux*) 1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1002 ;; 1003 *-*-vxworks*) 1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1005 ;; 1006esac 1007 1008case "${target}" in 1009 *-*-chorusos) 1010 ;; 1011 powerpc-*-darwin*) 1012 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1013 noconfigdirs="$noconfigdirs sim target-rda" 1014 ;; 1015 i[[3456789]]86-*-darwin*) 1016 noconfigdirs="$noconfigdirs ld gprof" 1017 noconfigdirs="$noconfigdirs sim target-rda" 1018 ;; 1019 x86_64-*-darwin[[912]]*) 1020 noconfigdirs="$noconfigdirs ld gas gprof" 1021 noconfigdirs="$noconfigdirs sim target-rda" 1022 ;; 1023 *-*-darwin*) 1024 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1025 noconfigdirs="$noconfigdirs sim target-rda" 1026 ;; 1027 *-*-dragonfly*) 1028 ;; 1029 *-*-freebsd*) 1030 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1031 && test -f /usr/local/include/gmp.h; then 1032 with_gmp=/usr/local 1033 fi 1034 ;; 1035 *-*-kaos*) 1036 # Remove unsupported stuff on all kaOS configurations. 1037 noconfigdirs="$noconfigdirs target-libgloss" 1038 ;; 1039 *-*-netbsd*) 1040 ;; 1041 *-*-netware*) 1042 ;; 1043 *-*-rtems*) 1044 noconfigdirs="$noconfigdirs target-libgloss" 1045 # this is not caught below because this stanza matches earlier 1046 case $target in 1047 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1048 esac 1049 ;; 1050 # The tpf target doesn't support gdb yet. 1051 *-*-tpf*) 1052 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1053 ;; 1054 *-*-uclinux*) 1055 noconfigdirs="$noconfigdirs target-rda" 1056 ;; 1057 *-*-vxworks*) 1058 ;; 1059 alpha*-dec-osf*) 1060 # ld works, but does not support shared libraries. 1061 # gas doesn't generate exception information. 1062 noconfigdirs="$noconfigdirs gas ld" 1063 ;; 1064 alpha*-*-*vms*) 1065 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1066 ;; 1067 alpha*-*-*) 1068 # newlib is not 64 bit ready 1069 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1070 ;; 1071 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1072 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1073 ;; 1074 arc-*-*|arceb-*-*) 1075 noconfigdirs="$noconfigdirs target-libgloss" 1076 ;; 1077 arm-*-pe*) 1078 noconfigdirs="$noconfigdirs target-libgloss" 1079 ;; 1080 arm-*-riscix*) 1081 noconfigdirs="$noconfigdirs ld target-libgloss" 1082 ;; 1083 avr-*-rtems*) 1084 ;; 1085 avr-*-*) 1086 if test x${with_avrlibc} != xno; then 1087 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1088 fi 1089 ;; 1090 c4x-*-* | tic4x-*-*) 1091 noconfigdirs="$noconfigdirs target-libgloss" 1092 ;; 1093 tic54x-*-*) 1094 noconfigdirs="$noconfigdirs target-libgloss gdb" 1095 ;; 1096 d10v-*-*) 1097 noconfigdirs="$noconfigdirs target-libgloss" 1098 ;; 1099 d30v-*-*) 1100 noconfigdirs="$noconfigdirs gdb" 1101 ;; 1102 fr30-*-elf*) 1103 noconfigdirs="$noconfigdirs gdb" 1104 ;; 1105 ft32-*-*) 1106 noconfigdirs="$noconfigdirs target-rda gprof" 1107 ;; 1108 moxie-*-*) 1109 noconfigdirs="$noconfigdirs" 1110 ;; 1111 h8300*-*-*) 1112 noconfigdirs="$noconfigdirs target-libgloss" 1113 ;; 1114 h8500-*-*) 1115 noconfigdirs="$noconfigdirs target-libgloss" 1116 ;; 1117 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1118 ;; 1119 hppa*64*-*-hpux*) 1120 noconfigdirs="$noconfigdirs gdb" 1121 ;; 1122 hppa*-*-hpux11*) 1123 noconfigdirs="$noconfigdirs gdb ld" 1124 ;; 1125 hppa*64*-*-linux*) 1126 ;; 1127 hppa*-*-linux*) 1128 ;; 1129 hppa*-*-*elf* | \ 1130 hppa*-*-lites* | \ 1131 hppa*-*-openbsd* | \ 1132 hppa*64*-*-*) 1133 ;; 1134 hppa*-*-pro*) 1135 ;; 1136 hppa*-*-*) 1137 noconfigdirs="$noconfigdirs ld" 1138 ;; 1139 i960-*-*) 1140 noconfigdirs="$noconfigdirs gdb" 1141 ;; 1142 ia64*-*-elf*) 1143 # No gdb support yet. 1144 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1145 ;; 1146 ia64*-**-hpux*) 1147 # No ld support yet. 1148 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1149 ;; 1150 ia64*-*-*vms*) 1151 # No ld support yet. 1152 noconfigdirs="$noconfigdirs libgui itcl ld" 1153 ;; 1154 i[[3456789]]86-w64-mingw*) 1155 ;; 1156 i[[3456789]]86-*-mingw*) 1157 target_configdirs="$target_configdirs target-winsup" 1158 ;; 1159 *-*-cygwin*) 1160 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1161 noconfigdirs="$noconfigdirs target-libgloss" 1162 # always build newlib if winsup directory is present. 1163 if test -d "$srcdir/winsup/cygwin"; then 1164 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1165 elif test -d "$srcdir/newlib"; then 1166 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1167 fi 1168 ;; 1169 i[[3456789]]86-*-pe) 1170 noconfigdirs="$noconfigdirs target-libgloss" 1171 ;; 1172 i[[3456789]]86-*-sco3.2v5*) 1173 # The linker does not yet know about weak symbols in COFF, 1174 # and is not configured to handle mixed ELF and COFF. 1175 noconfigdirs="$noconfigdirs ld target-libgloss" 1176 ;; 1177 i[[3456789]]86-*-sco*) 1178 noconfigdirs="$noconfigdirs gprof target-libgloss" 1179 ;; 1180 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1181 noconfigdirs="$noconfigdirs target-libgloss" 1182 ;; 1183 i[[3456789]]86-*-sysv4*) 1184 noconfigdirs="$noconfigdirs target-libgloss" 1185 ;; 1186 i[[3456789]]86-*-beos*) 1187 noconfigdirs="$noconfigdirs gdb" 1188 ;; 1189 i[[3456789]]86-*-rdos*) 1190 noconfigdirs="$noconfigdirs gdb" 1191 ;; 1192 mmix-*-*) 1193 noconfigdirs="$noconfigdirs gdb" 1194 ;; 1195 mt-*-*) 1196 noconfigdirs="$noconfigdirs sim" 1197 ;; 1198 powerpc-*-aix*) 1199 # copied from rs6000-*-* entry 1200 noconfigdirs="$noconfigdirs gprof" 1201 ;; 1202 powerpc*-*-winnt* | powerpc*-*-pe*) 1203 target_configdirs="$target_configdirs target-winsup" 1204 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1205 # always build newlib. 1206 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1207 ;; 1208 # This is temporary until we can link against shared libraries 1209 powerpcle-*-solaris*) 1210 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1211 ;; 1212 powerpc-*-beos*) 1213 noconfigdirs="$noconfigdirs gdb" 1214 ;; 1215 rs6000-*-lynxos*) 1216 noconfigdirs="$noconfigdirs gprof" 1217 ;; 1218 rs6000-*-aix*) 1219 noconfigdirs="$noconfigdirs gprof" 1220 ;; 1221 rs6000-*-*) 1222 noconfigdirs="$noconfigdirs gprof" 1223 ;; 1224 m68k-apollo-*) 1225 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1226 ;; 1227 microblaze*) 1228 noconfigdirs="$noconfigdirs gprof" 1229 ;; 1230 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1231 if test x$with_newlib = xyes; then 1232 noconfigdirs="$noconfigdirs gprof" 1233 fi 1234 ;; 1235 mips*-*-irix5*) 1236 noconfigdirs="$noconfigdirs gprof target-libgloss" 1237 ;; 1238 mips*-*-irix6*) 1239 noconfigdirs="$noconfigdirs gprof target-libgloss" 1240 ;; 1241 mips*-*-bsd*) 1242 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1243 ;; 1244 mips*-*-linux*) 1245 ;; 1246 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1247 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1248 noconfigdirs="$noconfigdirs ld gas gprof" 1249 ;; 1250 mips*-*-*) 1251 noconfigdirs="$noconfigdirs gprof" 1252 ;; 1253 nds32*-*-*) 1254 noconfigdirs="$noconfigdirs gdb" 1255 ;; 1256 nvptx*-*-*) 1257 # nvptx is just a compiler 1258 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1259 ;; 1260 or1k*-*-*) 1261 noconfigdirs="$noconfigdirs gdb" 1262 ;; 1263 sh-*-* | sh64-*-*) 1264 case "${target}" in 1265 sh*-*-elf) 1266 ;; 1267 *) 1268 noconfigdirs="$noconfigdirs target-libgloss" ;; 1269 esac 1270 ;; 1271 sparc-*-sunos4*) 1272 if test x${is_cross_compiler} = xno ; then 1273 use_gnu_ld=no 1274 fi 1275 ;; 1276 tic6x-*-*) 1277 noconfigdirs="$noconfigdirs sim" 1278 ;; 1279 tilepro*-*-* | tilegx*-*-*) 1280 noconfigdirs="$noconfigdirs sim" 1281 ;; 1282 v810-*-*) 1283 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1284 ;; 1285 vax-*-*) 1286 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1287 ;; 1288esac 1289 1290# If we aren't building newlib, then don't build libgloss, since libgloss 1291# depends upon some newlib header files. 1292case "${noconfigdirs}" in 1293 *target-libgloss*) ;; 1294 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1295esac 1296 1297# Work in distributions that contain no compiler tools, like Autoconf. 1298host_makefile_frag=/dev/null 1299if test -d ${srcdir}/config ; then 1300case "${host}" in 1301 i[[3456789]]86-*-msdosdjgpp*) 1302 host_makefile_frag="config/mh-djgpp" 1303 ;; 1304 *-cygwin*) 1305 ACX_CHECK_CYGWIN_CAT_WORKS 1306 host_makefile_frag="config/mh-cygwin" 1307 ;; 1308 *-mingw*) 1309 host_makefile_frag="config/mh-mingw" 1310 ;; 1311 hppa*-hp-hpux10*) 1312 host_makefile_frag="config/mh-pa-hpux10" 1313 ;; 1314 hppa*-hp-hpux*) 1315 host_makefile_frag="config/mh-pa" 1316 ;; 1317 hppa*-*) 1318 host_makefile_frag="config/mh-pa" 1319 ;; 1320 *-*-darwin*) 1321 host_makefile_frag="config/mh-darwin" 1322 ;; 1323 powerpc-*-aix*) 1324 host_makefile_frag="config/mh-ppc-aix" 1325 ;; 1326 rs6000-*-aix*) 1327 host_makefile_frag="config/mh-ppc-aix" 1328 ;; 1329esac 1330fi 1331 1332if test "${build}" != "${host}" ; then 1333 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1334 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1335 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1336 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1337 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1338 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1339 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1340 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1341 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1342 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1343 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1344 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1345 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1346else 1347 AR_FOR_BUILD="\$(AR)" 1348 AS_FOR_BUILD="\$(AS)" 1349 CC_FOR_BUILD="\$(CC)" 1350 CXX_FOR_BUILD="\$(CXX)" 1351 GCJ_FOR_BUILD="\$(GCJ)" 1352 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1353 GOC_FOR_BUILD="\$(GOC)" 1354 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1355 LD_FOR_BUILD="\$(LD)" 1356 NM_FOR_BUILD="\$(NM)" 1357 RANLIB_FOR_BUILD="\$(RANLIB)" 1358 WINDRES_FOR_BUILD="\$(WINDRES)" 1359 WINDMC_FOR_BUILD="\$(WINDMC)" 1360fi 1361 1362AC_PROG_CC 1363AC_PROG_CXX 1364 1365# We must set the default linker to the linker used by gcc for the correct 1366# operation of libtool. If LD is not defined and we are using gcc, try to 1367# set the LD default to the ld used by gcc. 1368if test -z "$LD"; then 1369 if test "$GCC" = yes; then 1370 case $build in 1371 *-*-mingw*) 1372 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1373 *) 1374 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1375 esac 1376 case $gcc_prog_ld in 1377 # Accept absolute paths. 1378 [[\\/]* | [A-Za-z]:[\\/]*)] 1379 LD="$gcc_prog_ld" ;; 1380 esac 1381 fi 1382fi 1383 1384# Check whether -static-libstdc++ -static-libgcc is supported. 1385have_static_libs=no 1386if test "$GCC" = yes; then 1387 saved_LDFLAGS="$LDFLAGS" 1388 1389 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1390 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1391 AC_LANG_PUSH(C++) 1392 AC_LINK_IFELSE([ 1393#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1394#error -static-libstdc++ not implemented 1395#endif 1396int main() {}], 1397 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1398 [AC_MSG_RESULT([no])]) 1399 AC_LANG_POP(C++) 1400 1401 LDFLAGS="$saved_LDFLAGS" 1402fi 1403 1404ACX_PROG_GNAT 1405ACX_PROG_CMP_IGNORE_INITIAL 1406 1407AC_ARG_ENABLE([bootstrap], 1408[AS_HELP_STRING([--enable-bootstrap], 1409 [enable bootstrapping @<:@yes if native build@:>@])],, 1410enable_bootstrap=default) 1411 1412# Issue errors and warnings for invalid/strange bootstrap combinations. 1413if test -r $srcdir/gcc/configure; then 1414 have_compiler=yes 1415else 1416 have_compiler=no 1417fi 1418 1419case "$have_compiler:$host:$target:$enable_bootstrap" in 1420 *:*:*:no) ;; 1421 1422 # Default behavior. Enable bootstrap if we have a compiler 1423 # and we are in a native configuration. 1424 yes:$build:$build:default) 1425 enable_bootstrap=yes ;; 1426 1427 *:*:*:default) 1428 enable_bootstrap=no ;; 1429 1430 # We have a compiler and we are in a native configuration, bootstrap is ok 1431 yes:$build:$build:yes) 1432 ;; 1433 1434 # Other configurations, but we have a compiler. Assume the user knows 1435 # what he's doing. 1436 yes:*:*:yes) 1437 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1438 ;; 1439 1440 # No compiler: if they passed --enable-bootstrap explicitly, fail 1441 no:*:*:yes) 1442 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1443 1444 # Fail if wrong command line 1445 *) 1446 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1447 ;; 1448esac 1449 1450# Used for setting $lt_cv_objdir 1451_LT_CHECK_OBJDIR 1452 1453# Check for GMP, MPFR and MPC 1454gmplibs="-lmpc -lmpfr -lgmp" 1455gmpinc= 1456have_gmp=no 1457 1458# Specify a location for mpc 1459# check for this first so it ends up on the link line before mpfr. 1460AC_ARG_WITH(mpc, 1461[AS_HELP_STRING([--with-mpc=PATH], 1462 [specify prefix directory for installed MPC package. 1463 Equivalent to --with-mpc-include=PATH/include 1464 plus --with-mpc-lib=PATH/lib])]) 1465AC_ARG_WITH(mpc-include, 1466[AS_HELP_STRING([--with-mpc-include=PATH], 1467 [specify directory for installed MPC include files])]) 1468AC_ARG_WITH(mpc-lib, 1469[AS_HELP_STRING([--with-mpc-lib=PATH], 1470 [specify directory for the installed MPC library])]) 1471 1472if test "x$with_mpc" != x; then 1473 gmplibs="-L$with_mpc/lib $gmplibs" 1474 gmpinc="-I$with_mpc/include $gmpinc" 1475fi 1476if test "x$with_mpc_include" != x; then 1477 gmpinc="-I$with_mpc_include $gmpinc" 1478fi 1479if test "x$with_mpc_lib" != x; then 1480 gmplibs="-L$with_mpc_lib $gmplibs" 1481fi 1482if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1483 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1484 gmpinc='-I$$s/mpc/src '"$gmpinc" 1485 # Do not test the mpc version. Assume that it is sufficient, since 1486 # it is in the source tree, and the library has not been built yet 1487 # but it would be included on the link line in the version check below 1488 # hence making the test fail. 1489 have_gmp=yes 1490fi 1491 1492# Specify a location for mpfr 1493# check for this first so it ends up on the link line before gmp. 1494AC_ARG_WITH(mpfr-dir, 1495[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1496[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1497Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1498 1499AC_ARG_WITH(mpfr, 1500[AS_HELP_STRING([--with-mpfr=PATH], 1501 [specify prefix directory for installed MPFR package. 1502 Equivalent to --with-mpfr-include=PATH/include 1503 plus --with-mpfr-lib=PATH/lib])]) 1504AC_ARG_WITH(mpfr-include, 1505[AS_HELP_STRING([--with-mpfr-include=PATH], 1506 [specify directory for installed MPFR include files])]) 1507AC_ARG_WITH(mpfr-lib, 1508[AS_HELP_STRING([--with-mpfr-lib=PATH], 1509 [specify directory for the installed MPFR library])]) 1510 1511if test "x$with_mpfr" != x; then 1512 gmplibs="-L$with_mpfr/lib $gmplibs" 1513 gmpinc="-I$with_mpfr/include $gmpinc" 1514fi 1515if test "x$with_mpfr_include" != x; then 1516 gmpinc="-I$with_mpfr_include $gmpinc" 1517fi 1518if test "x$with_mpfr_lib" != x; then 1519 gmplibs="-L$with_mpfr_lib $gmplibs" 1520fi 1521if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1522 # MPFR v3.1.0 moved the sources into a src sub-directory. 1523 if test -d ${srcdir}/mpfr/src; then 1524 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1525 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1526 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1527 else 1528 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1529 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1530 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1531 fi 1532 # Do not test the mpfr version. Assume that it is sufficient, since 1533 # it is in the source tree, and the library has not been built yet 1534 # but it would be included on the link line in the version check below 1535 # hence making the test fail. 1536 have_gmp=yes 1537fi 1538 1539# Specify a location for gmp 1540AC_ARG_WITH(gmp-dir, 1541[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1542[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1543Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1544 1545AC_ARG_WITH(gmp, 1546[AS_HELP_STRING([--with-gmp=PATH], 1547 [specify prefix directory for the installed GMP package. 1548 Equivalent to --with-gmp-include=PATH/include 1549 plus --with-gmp-lib=PATH/lib])]) 1550AC_ARG_WITH(gmp-include, 1551[AS_HELP_STRING([--with-gmp-include=PATH], 1552 [specify directory for installed GMP include files])]) 1553AC_ARG_WITH(gmp-lib, 1554[AS_HELP_STRING([--with-gmp-lib=PATH], 1555 [specify directory for the installed GMP library])]) 1556 1557 1558if test "x$with_gmp" != x; then 1559 gmplibs="-L$with_gmp/lib $gmplibs" 1560 gmpinc="-I$with_gmp/include $gmpinc" 1561fi 1562if test "x$with_gmp_include" != x; then 1563 gmpinc="-I$with_gmp_include $gmpinc" 1564fi 1565if test "x$with_gmp_lib" != x; then 1566 gmplibs="-L$with_gmp_lib $gmplibs" 1567fi 1568if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1569 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1570 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1571 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1572 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1573 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1574 # Do not test the gmp version. Assume that it is sufficient, since 1575 # it is in the source tree, and the library has not been built yet 1576 # but it would be included on the link line in the version check below 1577 # hence making the test fail. 1578 have_gmp=yes 1579fi 1580 1581if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1582 have_gmp=yes 1583 saved_CFLAGS="$CFLAGS" 1584 CFLAGS="$CFLAGS $gmpinc" 1585 # Check for the recommended and required versions of GMP. 1586 AC_MSG_CHECKING([for the correct version of gmp.h]) 1587 AC_TRY_COMPILE([#include "gmp.h"],[ 1588 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1589 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1590 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1591 choke me 1592 #endif 1593 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1594 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1595 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1596 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1597 choke me 1598 #endif 1599 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1600 [AC_MSG_RESULT([no]); have_gmp=no]) 1601 1602 # If we have GMP, check the MPFR version. 1603 if test x"$have_gmp" = xyes; then 1604 # Check for the recommended and required versions of MPFR. 1605 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1606 AC_TRY_COMPILE([#include <gmp.h> 1607 #include <mpfr.h>],[ 1608 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1609 choke me 1610 #endif 1611 ], [AC_TRY_COMPILE([#include <gmp.h> 1612 #include <mpfr.h>],[ 1613 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1614 choke me 1615 #endif 1616 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1617 [AC_MSG_RESULT([no]); have_gmp=no]) 1618 fi 1619 1620 # Check for the MPC header version. 1621 if test x"$have_gmp" = xyes ; then 1622 # Check for the recommended and required versions of MPC. 1623 AC_MSG_CHECKING([for the correct version of mpc.h]) 1624 AC_TRY_COMPILE([#include <mpc.h>],[ 1625 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1626 choke me 1627 #endif 1628 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1629 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1630 choke me 1631 #endif 1632 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1633 [AC_MSG_RESULT([no]); have_gmp=no]) 1634 fi 1635 1636 # Now check the MPFR library. 1637 if test x"$have_gmp" = xyes; then 1638 saved_LIBS="$LIBS" 1639 LIBS="$LIBS $gmplibs" 1640 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1641 AC_TRY_LINK([#include <mpc.h>],[ 1642 mpfr_t n; 1643 mpfr_t x; 1644 mpc_t c; 1645 int t; 1646 mpfr_init (n); 1647 mpfr_init (x); 1648 mpfr_atan2 (n, n, x, GMP_RNDN); 1649 mpfr_erfc (n, x, GMP_RNDN); 1650 mpfr_subnormalize (x, t, GMP_RNDN); 1651 mpfr_clear(n); 1652 mpfr_clear(x); 1653 mpc_init2 (c, 53); 1654 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1655 mpc_cosh (c, c, MPC_RNDNN); 1656 mpc_pow (c, c, c, MPC_RNDNN); 1657 mpc_acosh (c, c, MPC_RNDNN); 1658 mpc_clear (c); 1659 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1660 LIBS="$saved_LIBS" 1661 fi 1662 1663 CFLAGS="$saved_CFLAGS" 1664 1665# The library versions listed in the error message below should match 1666# the HARD-minimums enforced above. 1667 if test x$have_gmp != xyes; then 1668 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1669Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1670their locations. Source code for these libraries can be found at 1671their respective hosting sites as well as at 1672ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1673http://gcc.gnu.org/install/prerequisites.html for additional info. If 1674you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1675make sure that you have installed both the libraries and the header 1676files. They may be located in separate packages.]) 1677 fi 1678fi 1679 1680# Flags needed for both GMP, MPFR and/or MPC. 1681AC_SUBST(gmplibs) 1682AC_SUBST(gmpinc) 1683AC_SUBST(extra_mpfr_configure_flags) 1684AC_SUBST(extra_mpc_gmp_configure_flags) 1685AC_SUBST(extra_mpc_mpfr_configure_flags) 1686AC_SUBST(extra_isl_gmp_configure_flags) 1687 1688# Allow host libstdc++ to be specified for static linking with PPL. 1689AC_ARG_WITH(host-libstdcxx, 1690[AS_HELP_STRING([--with-host-libstdcxx=L], 1691 [use linker arguments L to link with libstdc++ 1692 when linking with PPL])]) 1693 1694case $with_host_libstdcxx in 1695 no|yes) 1696 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1697 ;; 1698esac 1699 1700# Libraries to use for stage1 or when not bootstrapping. 1701AC_ARG_WITH(stage1-libs, 1702[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1703[if test "$withval" = "no" -o "$withval" = "yes"; then 1704 stage1_libs= 1705 else 1706 stage1_libs=$withval 1707 fi], 1708[stage1_libs=$with_host_libstdcxx]) 1709AC_SUBST(stage1_libs) 1710 1711# Linker flags to use for stage1 or when not bootstrapping. 1712AC_ARG_WITH(stage1-ldflags, 1713[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1714[if test "$withval" = "no" -o "$withval" = "yes"; then 1715 stage1_ldflags= 1716 else 1717 stage1_ldflags=$withval 1718 fi], 1719[stage1_ldflags= 1720 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1721 # if supported. But if the user explicitly specified the libraries to use, 1722 # trust that they are doing what they want. 1723 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1724 stage1_ldflags="-static-libstdc++ -static-libgcc" 1725 fi]) 1726AC_SUBST(stage1_ldflags) 1727 1728# Libraries to use for stage2 and later builds. This defaults to the 1729# argument passed to --with-host-libstdcxx. 1730AC_ARG_WITH(boot-libs, 1731[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1732[if test "$withval" = "no" -o "$withval" = "yes"; then 1733 poststage1_libs= 1734 else 1735 poststage1_libs=$withval 1736 fi], 1737[poststage1_libs=$with_host_libstdcxx]) 1738AC_SUBST(poststage1_libs) 1739 1740# Linker flags to use for stage2 and later builds. 1741AC_ARG_WITH(boot-ldflags, 1742[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1743 [linker flags for stage2 and later])], 1744[if test "$withval" = "no" -o "$withval" = "yes"; then 1745 poststage1_ldflags= 1746 else 1747 poststage1_ldflags=$withval 1748 fi], 1749[poststage1_ldflags= 1750 # In stages 2 and 3, default to linking libstdc++ and libgcc 1751 # statically. But if the user explicitly specified the libraries to 1752 # use, trust that they are doing what they want. 1753 if test "$poststage1_libs" = ""; then 1754 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1755 fi]) 1756AC_SUBST(poststage1_ldflags) 1757 1758# GCC GRAPHITE dependency ISL. 1759# Basic setup is inlined here, actual checks are in config/isl.m4 1760 1761AC_ARG_WITH(isl, 1762 [AS_HELP_STRING( 1763 [--with-isl=PATH], 1764 [Specify prefix directory for the installed ISL package. 1765 Equivalent to --with-isl-include=PATH/include 1766 plus --with-isl-lib=PATH/lib])]) 1767 1768# Treat --without-isl as a request to disable 1769# GRAPHITE support and skip all following checks. 1770if test "x$with_isl" != "xno"; then 1771 # Check for ISL 1772 dnl Provide configure switches and initialize islinc & isllibs 1773 dnl with user input. 1774 ISL_INIT_FLAGS 1775 dnl The versions of ISL that work for Graphite 1776 ISL_CHECK_VERSION() 1777 dnl Only execute fail-action, if ISL has been requested. 1778 ISL_IF_FAILED([ 1779 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1780fi 1781 1782# If the ISL check failed, disable builds of in-tree variant of ISL 1783if test "x$with_isl" = xno || 1784 test "x$gcc_cv_isl" = xno; then 1785 noconfigdirs="$noconfigdirs isl" 1786 islinc= 1787fi 1788 1789AC_SUBST(isllibs) 1790AC_SUBST(islinc) 1791 1792# Check for LTO support. 1793AC_ARG_ENABLE(lto, 1794[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1795enable_lto=$enableval, 1796enable_lto=yes; default_enable_lto=yes) 1797 1798ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1799 build_lto_plugin=yes 1800],[if test x"$default_enable_lto" = x"yes" ; then 1801 case $target in 1802 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1803 # On other non-ELF platforms, LTO has yet to be validated. 1804 *) enable_lto=no ;; 1805 esac 1806 else 1807 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1808 # It would also be nice to check the binutils support, but we don't 1809 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1810 # warn during gcc/ subconfigure; unless you're bootstrapping with 1811 # -flto it won't be needed until after installation anyway. 1812 case $target in 1813 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1814 *) if test x"$enable_lto" = x"yes"; then 1815 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1816 fi 1817 ;; 1818 esac 1819 fi 1820 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1821 # Build it unless LTO was explicitly disabled. 1822 case $target in 1823 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1824 *) ;; 1825 esac 1826]) 1827 1828AC_ARG_ENABLE(linker-plugin-configure-flags, 1829 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1830 [additional flags for configuring linker plugins @<:@none@:>@])], 1831 extra_linker_plugin_configure_flags=$enableval, 1832 extra_linker_plugin_configure_flags=) 1833AC_SUBST(extra_linker_plugin_configure_flags) 1834AC_ARG_ENABLE(linker-plugin-flags, 1835 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1836 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1837 extra_linker_plugin_flags=$enableval, 1838 extra_linker_plugin_flags=) 1839AC_SUBST(extra_linker_plugin_flags) 1840 1841 1842# By default, C and C++ are the only stage 1 languages. 1843stage1_languages=,c, 1844 1845# Target libraries that we bootstrap. 1846bootstrap_target_libs=,target-libgcc, 1847 1848# Figure out what language subdirectories are present. 1849# Look if the user specified --enable-languages="..."; if not, use 1850# the environment variable $LANGUAGES if defined. $LANGUAGES might 1851# go away some day. 1852# NB: embedded tabs in this IF block -- do not untabify 1853if test -d ${srcdir}/gcc; then 1854 if test x"${enable_languages+set}" != xset; then 1855 if test x"${LANGUAGES+set}" = xset; then 1856 enable_languages="${LANGUAGES}" 1857 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1858 else 1859 enable_languages=all 1860 fi 1861 else 1862 if test x"${enable_languages}" = x || 1863 test x"${enable_languages}" = xyes; 1864 then 1865 echo configure.in: --enable-languages needs at least one language argument 1>&2 1866 exit 1 1867 fi 1868 fi 1869 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1870 1871 # 'f95' is the old name for the 'fortran' language. We issue a warning 1872 # and make the substitution. 1873 case ,${enable_languages}, in 1874 *,f95,*) 1875 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1876 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1877 ;; 1878 esac 1879 1880 # If bootstrapping, C++ must be enabled. 1881 case ",$enable_languages,:$enable_bootstrap" in 1882 *,c++,*:*) ;; 1883 *:yes) 1884 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1885 enable_languages="${enable_languages},c++" 1886 else 1887 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1888 fi 1889 ;; 1890 esac 1891 1892 # First scan to see if an enabled language requires some other language. 1893 # We assume that a given config-lang.in will list all the language 1894 # front ends it requires, even if some are required indirectly. 1895 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1896 case ${lang_frag} in 1897 ..) ;; 1898 # The odd quoting in the next line works around 1899 # an apparent bug in bash 1.12 on linux. 1900 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1901 *) 1902 # From the config-lang.in, get $language, $lang_requires, and 1903 # $lang_requires_boot_languages. 1904 language= 1905 lang_requires= 1906 lang_requires_boot_languages= 1907 . ${lang_frag} 1908 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1909 case ,${enable_languages}, in 1910 *,$other,*) ;; 1911 *,all,*) ;; 1912 *,$language,*) 1913 echo " \`$other' language required by \`$language'; enabling" 1>&2 1914 enable_languages="${enable_languages},${other}" 1915 ;; 1916 esac 1917 done 1918 for other in ${lang_requires_boot_languages} ; do 1919 if test "$other" != "c"; then 1920 case ,${enable_stage1_languages}, in 1921 *,$other,*) ;; 1922 *,all,*) ;; 1923 *) 1924 case ,${enable_languages}, in 1925 *,$language,*) 1926 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1927 enable_stage1_languages="$enable_stage1_languages,${other}" 1928 ;; 1929 esac 1930 ;; 1931 esac 1932 fi 1933 done 1934 ;; 1935 esac 1936 done 1937 1938 new_enable_languages=,c, 1939 1940 # If LTO is enabled, add the LTO front end. 1941 if test "$enable_lto" = "yes" ; then 1942 case ,${enable_languages}, in 1943 *,lto,*) ;; 1944 *) enable_languages="${enable_languages},lto" ;; 1945 esac 1946 if test "${build_lto_plugin}" = "yes" ; then 1947 configdirs="$configdirs lto-plugin" 1948 fi 1949 fi 1950 1951 # If we're building an offloading compiler, add the LTO front end. 1952 if test x"$enable_as_accelerator_for" != x ; then 1953 case ,${enable_languages}, in 1954 *,lto,*) ;; 1955 *) enable_languages="${enable_languages},lto" ;; 1956 esac 1957 fi 1958 1959 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1960 potential_languages=,c, 1961 1962 enabled_target_libs= 1963 disabled_target_libs= 1964 1965 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1966 case ${lang_frag} in 1967 ..) ;; 1968 # The odd quoting in the next line works around 1969 # an apparent bug in bash 1.12 on linux. 1970 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1971 *) 1972 # From the config-lang.in, get $language, $target_libs, 1973 # $lang_dirs, $boot_language, and $build_by_default 1974 language= 1975 target_libs= 1976 lang_dirs= 1977 subdir_requires= 1978 boot_language=no 1979 build_by_default=yes 1980 . ${lang_frag} 1981 if test x${language} = x; then 1982 echo "${lang_frag} doesn't set \$language." 1>&2 1983 exit 1 1984 fi 1985 1986 if test "$language" = "c++"; then 1987 boot_language=yes 1988 fi 1989 1990 add_this_lang=no 1991 case ,${enable_languages}, in 1992 *,${language},*) 1993 # Language was explicitly selected; include it 1994 # unless it is C, which is enabled by default. 1995 if test "$language" != "c"; then 1996 add_this_lang=yes 1997 fi 1998 ;; 1999 *,all,*) 2000 # 'all' was selected, select it if it is a default language 2001 if test "$language" != "c"; then 2002 add_this_lang=${build_by_default} 2003 fi 2004 ;; 2005 esac 2006 2007 # Disable languages that need other directories if these aren't available. 2008 for i in $subdir_requires; do 2009 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2010 case ,${enable_languages}, in 2011 *,${language},*) 2012 # Specifically requested language; tell them. 2013 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2014 ;; 2015 *) 2016 # Silently disable. 2017 add_this_lang=unsupported 2018 ;; 2019 esac 2020 done 2021 2022 # Disable Ada if no preexisting GNAT is available. 2023 case ,${enable_languages},:${language}:${have_gnat} in 2024 *,${language},*:ada:no) 2025 # Specifically requested language; tell them. 2026 AC_MSG_ERROR([GNAT is required to build $language]) 2027 ;; 2028 *:ada:no) 2029 # Silently disable. 2030 add_this_lang=unsupported 2031 ;; 2032 esac 2033 2034 # Disable a language that is unsupported by the target. 2035 case " $unsupported_languages " in 2036 *" $language "*) 2037 add_this_lang=unsupported 2038 ;; 2039 esac 2040 2041 case $add_this_lang in 2042 unsupported) 2043 # Remove language-dependent dirs. 2044 disabled_target_libs="$disabled_target_libs $target_libs" 2045 noconfigdirs="$noconfigdirs $lang_dirs" 2046 ;; 2047 no) 2048 # Remove language-dependent dirs; still show language as supported. 2049 disabled_target_libs="$disabled_target_libs $target_libs" 2050 noconfigdirs="$noconfigdirs $lang_dirs" 2051 potential_languages="${potential_languages}${language}," 2052 ;; 2053 yes) 2054 new_enable_languages="${new_enable_languages}${language}," 2055 potential_languages="${potential_languages}${language}," 2056 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2057 enabled_target_libs="$enabled_target_libs $target_libs" 2058 case "${boot_language}:,$enable_stage1_languages," in 2059 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2060 # Add to (comma-separated) list of stage 1 languages. 2061 case ",$stage1_languages," in 2062 *,$language,* | ,yes, | ,all,) ;; 2063 *) stage1_languages="${stage1_languages}${language}," ;; 2064 esac 2065 # We need to bootstrap any supporting libraries. 2066 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2067 ;; 2068 esac 2069 ;; 2070 esac 2071 ;; 2072 esac 2073 done 2074 2075 # Add target libraries which are only needed for disabled languages 2076 # to noconfigdirs. 2077 if test -n "$disabled_target_libs"; then 2078 for dir in $disabled_target_libs; do 2079 case " $enabled_target_libs " in 2080 *" ${dir} "*) ;; 2081 *) noconfigdirs="$noconfigdirs $dir" ;; 2082 esac 2083 done 2084 fi 2085 2086 AC_ARG_ENABLE(stage1-languages, 2087 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2088 [choose additional languages to build during 2089 stage1. Mostly useful for compiler development])], 2090 [case ,${enable_stage1_languages}, in 2091 ,no,|,,) 2092 # Set it to something that will have no effect in the loop below 2093 enable_stage1_languages=c ;; 2094 ,yes,) 2095 enable_stage1_languages=`echo $new_enable_languages | \ 2096 sed -e "s/^,//" -e "s/,$//" ` ;; 2097 *,all,*) 2098 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2099 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2100 esac 2101 2102 # Add "good" languages from enable_stage1_languages to stage1_languages, 2103 # while "bad" languages go in missing_languages. Leave no duplicates. 2104 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2105 case $potential_languages in 2106 *,$i,*) 2107 case $stage1_languages in 2108 *,$i,*) ;; 2109 *) stage1_languages="$stage1_languages$i," ;; 2110 esac ;; 2111 *) 2112 case $missing_languages in 2113 *,$i,*) ;; 2114 *) missing_languages="$missing_languages$i," ;; 2115 esac ;; 2116 esac 2117 done]) 2118 2119 # Remove leading/trailing commas that were added for simplicity 2120 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2121 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2122 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2123 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2124 2125 if test "x$missing_languages" != x; then 2126 AC_MSG_ERROR([ 2127The following requested languages could not be built: ${missing_languages} 2128Supported languages are: ${potential_languages}]) 2129 fi 2130 if test "x$new_enable_languages" != "x$enable_languages"; then 2131 echo The following languages will be built: ${new_enable_languages} 2132 enable_languages="$new_enable_languages" 2133 fi 2134 2135 AC_SUBST(stage1_languages) 2136 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2137fi 2138 2139# Handle --disable-<component> generically. 2140for dir in $configdirs $build_configdirs $target_configdirs ; do 2141 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2142 varname=`echo $dirname | sed -e s/+/_/g` 2143 if eval test x\${enable_${varname}} "=" xno ; then 2144 noconfigdirs="$noconfigdirs $dir" 2145 fi 2146done 2147 2148# Check for Boehm's garbage collector 2149AC_ARG_ENABLE(objc-gc, 2150[AS_HELP_STRING([--enable-objc-gc], 2151 [enable use of Boehm's garbage collector with the 2152 GNU Objective-C runtime])], 2153[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2154 *,objc,*:*:yes:*target-boehm-gc*) 2155 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2156 ;; 2157esac]) 2158 2159# Make sure we only build Boehm's garbage collector if required. 2160case ,${enable_languages},:${enable_objc_gc} in 2161 *,objc,*:yes) 2162 # Keep target-boehm-gc if requested for Objective-C. 2163 ;; 2164 *) 2165 # Otherwise remove target-boehm-gc depending on target-libjava. 2166 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2167 noconfigdirs="$noconfigdirs target-boehm-gc" 2168 fi 2169 ;; 2170esac 2171 2172# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2173case ,${enable_languages}, in 2174 *,c++,*) 2175 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2176 case "${noconfigdirs}" in 2177 *target-libstdc++-v3*) 2178 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2179 ;; 2180 *) ;; 2181 esac 2182 ;; 2183 *) 2184 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2185 ;; 2186esac 2187 2188# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2189# $build_configdirs and $target_configdirs. 2190# If we have the source for $noconfigdirs entries, add them to $notsupp. 2191 2192notsupp="" 2193for dir in . $skipdirs $noconfigdirs ; do 2194 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2195 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2196 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2197 if test -r $srcdir/$dirname/configure ; then 2198 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2199 true 2200 else 2201 notsupp="$notsupp $dir" 2202 fi 2203 fi 2204 fi 2205 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2206 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2207 if test -r $srcdir/$dirname/configure ; then 2208 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2209 true 2210 else 2211 notsupp="$notsupp $dir" 2212 fi 2213 fi 2214 fi 2215 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2216 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2217 if test -r $srcdir/$dirname/configure ; then 2218 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2219 true 2220 else 2221 notsupp="$notsupp $dir" 2222 fi 2223 fi 2224 fi 2225done 2226 2227# Quietly strip out all directories which aren't configurable in this tree. 2228# This relies on all configurable subdirectories being autoconfiscated, which 2229# is now the case. 2230build_configdirs_all="$build_configdirs" 2231build_configdirs= 2232for i in ${build_configdirs_all} ; do 2233 j=`echo $i | sed -e s/build-//g` 2234 if test -f ${srcdir}/$j/configure ; then 2235 build_configdirs="${build_configdirs} $i" 2236 fi 2237done 2238 2239configdirs_all="$configdirs" 2240configdirs= 2241for i in ${configdirs_all} ; do 2242 if test -f ${srcdir}/$i/configure ; then 2243 configdirs="${configdirs} $i" 2244 fi 2245done 2246 2247target_configdirs_all="$target_configdirs" 2248target_configdirs= 2249for i in ${target_configdirs_all} ; do 2250 j=`echo $i | sed -e s/target-//g` 2251 if test -f ${srcdir}/$j/configure ; then 2252 target_configdirs="${target_configdirs} $i" 2253 fi 2254done 2255 2256# Exclude target-zlib if target-libjava isn't built. 2257case ${target_configdirs} in 2258*target-libjava*) 2259 ;; 2260*) 2261 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" 2262 ;; 2263esac 2264 2265# libiberty-linker-plugin is special: it doesn't have its own source directory, 2266# so we have to add it after the preceding checks. 2267if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2268then 2269 case " $configdirs " in 2270 *" libiberty "*) 2271 # If we can build libiberty, we can also build libiberty-linker-plugin. 2272 configdirs="$configdirs libiberty-linker-plugin" 2273 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2274 --with-libiberty=../libiberty-linker-plugin";; 2275 *) 2276 AC_MSG_ERROR([libiberty missing]);; 2277 esac 2278fi 2279 2280# Sometimes we have special requirements for the host libiberty. 2281extra_host_libiberty_configure_flags= 2282extra_host_zlib_configure_flags= 2283case " $configdirs " in 2284 *" lto-plugin "* | *" libcc1 "*) 2285 # When these are to be built as shared libraries, the same applies to 2286 # libiberty. 2287 extra_host_libiberty_configure_flags=--enable-shared 2288 ;; 2289 *" bfd "*) 2290 # When bfd is to be built as a shared library, the same applies to 2291 # zlib. 2292 if test "$enable_shared" = "yes"; then 2293 extra_host_zlib_configure_flags=--enable-host-shared 2294 fi 2295 ;; 2296esac 2297AC_SUBST(extra_host_libiberty_configure_flags) 2298AC_SUBST(extra_host_zlib_configure_flags) 2299 2300# Produce a warning message for the subdirs we can't configure. 2301# This isn't especially interesting in the Cygnus tree, but in the individual 2302# FSF releases, it's important to let people know when their machine isn't 2303# supported by the one or two programs in a package. 2304 2305if test -n "${notsupp}" && test -z "${norecursion}" ; then 2306 # If $appdirs is non-empty, at least one of those directories must still 2307 # be configured, or we error out. (E.g., if the gas release supports a 2308 # specified target in some subdirs but not the gas subdir, we shouldn't 2309 # pretend that all is well.) 2310 if test -n "$appdirs" ; then 2311 for dir in $appdirs ; do 2312 if test -r $dir/Makefile.in ; then 2313 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2314 appdirs="" 2315 break 2316 fi 2317 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2318 appdirs="" 2319 break 2320 fi 2321 fi 2322 done 2323 if test -n "$appdirs" ; then 2324 echo "*** This configuration is not supported by this package." 1>&2 2325 exit 1 2326 fi 2327 fi 2328 # Okay, some application will build, or we don't care to check. Still 2329 # notify of subdirs not getting built. 2330 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2331 echo " ${notsupp}" 1>&2 2332 echo " (Any other directories should still work fine.)" 1>&2 2333fi 2334 2335case "$host" in 2336 *msdosdjgpp*) 2337 enable_gdbtk=no ;; 2338esac 2339 2340# To find our prefix, in gcc_cv_tool_prefix. 2341ACX_TOOL_DIRS 2342 2343copy_dirs= 2344 2345AC_ARG_WITH([build-sysroot], 2346 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2347 [use sysroot as the system root during the build])], 2348 [if test x"$withval" != x ; then 2349 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2350 fi], 2351 [SYSROOT_CFLAGS_FOR_TARGET=]) 2352AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2353 2354AC_ARG_WITH([debug-prefix-map], 2355 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2356 [map A to B, C to D ... in debug information])], 2357 [if test x"$withval" != x; then 2358 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2359 for debug_map in $withval; do 2360 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2361 done 2362 fi], 2363 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2364AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2365 2366# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2367# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2368# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2369# We want to ensure that TARGET libraries (which we know are built with 2370# gcc) are built with "-O2 -g", so include those options when setting 2371# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2372if test "x$CFLAGS_FOR_TARGET" = x; then 2373 if test "x${is_cross_compiler}" = xyes; then 2374 CFLAGS_FOR_TARGET="-g -O2" 2375 else 2376 CFLAGS_FOR_TARGET=$CFLAGS 2377 case " $CFLAGS " in 2378 *" -O2 "*) ;; 2379 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2380 esac 2381 case " $CFLAGS " in 2382 *" -g "* | *" -g3 "*) ;; 2383 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2384 esac 2385 fi 2386fi 2387AC_SUBST(CFLAGS_FOR_TARGET) 2388 2389if test "x$CXXFLAGS_FOR_TARGET" = x; then 2390 if test "x${is_cross_compiler}" = xyes; then 2391 CXXFLAGS_FOR_TARGET="-g -O2" 2392 else 2393 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2394 case " $CXXFLAGS " in 2395 *" -O2 "*) ;; 2396 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2397 esac 2398 case " $CXXFLAGS " in 2399 *" -g "* | *" -g3 "*) ;; 2400 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2401 esac 2402 fi 2403fi 2404AC_SUBST(CXXFLAGS_FOR_TARGET) 2405 2406AC_SUBST(LDFLAGS_FOR_TARGET) 2407 2408# Handle --with-headers=XXX. If the value is not "yes", the contents of 2409# the named directory are copied to $(tooldir)/sys-include. 2410if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2411 if test x${is_cross_compiler} = xno ; then 2412 echo 1>&2 '***' --with-headers is only supported when cross compiling 2413 exit 1 2414 fi 2415 if test x"${with_headers}" != xyes ; then 2416 x=${gcc_cv_tool_prefix} 2417 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2418 fi 2419fi 2420 2421# Handle --with-libs=XXX. If the value is not "yes", the contents of 2422# the name directories are copied to $(tooldir)/lib. Multiple directories 2423# are permitted. 2424if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2425 if test x${is_cross_compiler} = xno ; then 2426 echo 1>&2 '***' --with-libs is only supported when cross compiling 2427 exit 1 2428 fi 2429 if test x"${with_libs}" != xyes ; then 2430 # Copy the libraries in reverse order, so that files in the first named 2431 # library override files in subsequent libraries. 2432 x=${gcc_cv_tool_prefix} 2433 for l in ${with_libs}; do 2434 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2435 done 2436 fi 2437fi 2438 2439# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2440# 2441# This is done by determining whether or not the appropriate directory 2442# is available, and by checking whether or not specific configurations 2443# have requested that this magic not happen. 2444# 2445# The command line options always override the explicit settings in 2446# configure.in, and the settings in configure.in override this magic. 2447# 2448# If the default for a toolchain is to use GNU as and ld, and you don't 2449# want to do that, then you should use the --without-gnu-as and 2450# --without-gnu-ld options for the configure script. Similarly, if 2451# the default is to use the included zlib and you don't want to do that, 2452# you should use the --with-system-zlib option for the configure script. 2453 2454if test x${use_gnu_as} = x && 2455 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2456 with_gnu_as=yes 2457 extra_host_args="$extra_host_args --with-gnu-as" 2458fi 2459 2460if test x${use_gnu_ld} = x && 2461 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2462 with_gnu_ld=yes 2463 extra_host_args="$extra_host_args --with-gnu-ld" 2464fi 2465 2466if test x${use_included_zlib} = x && 2467 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2468 : 2469else 2470 with_system_zlib=yes 2471 extra_host_args="$extra_host_args --with-system-zlib" 2472fi 2473 2474# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2475# can detect this case. 2476 2477if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2478 with_newlib=yes 2479 extra_host_args="$extra_host_args --with-newlib" 2480fi 2481 2482# Handle ${copy_dirs} 2483set fnord ${copy_dirs} 2484shift 2485while test $# != 0 ; do 2486 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2487 : 2488 else 2489 echo Copying $1 to $2 2490 2491 # Use the install script to create the directory and all required 2492 # parent directories. 2493 if test -d $2 ; then 2494 : 2495 else 2496 echo >config.temp 2497 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2498 fi 2499 2500 # Copy the directory, assuming we have tar. 2501 # FIXME: Should we use B in the second tar? Not all systems support it. 2502 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2503 2504 # It is the responsibility of the user to correctly adjust all 2505 # symlinks. If somebody can figure out how to handle them correctly 2506 # here, feel free to add the code. 2507 2508 echo $1 > $2/COPIED 2509 fi 2510 shift; shift 2511done 2512 2513# Determine a target-dependent exec_prefix that the installed 2514# gcc will search in. Keep this list sorted by triplet, with 2515# the *-*-osname triplets last. 2516md_exec_prefix= 2517case "${target}" in 2518 i[[34567]]86-pc-msdosdjgpp*) 2519 md_exec_prefix=/dev/env/DJDIR/bin 2520 ;; 2521 *-*-hpux* | \ 2522 *-*-nto-qnx* | \ 2523 *-*-solaris2*) 2524 md_exec_prefix=/usr/ccs/bin 2525 ;; 2526esac 2527 2528extra_arflags_for_target= 2529extra_nmflags_for_target= 2530extra_ranlibflags_for_target= 2531target_makefile_frag=/dev/null 2532case "${target}" in 2533 spu-*-*) 2534 target_makefile_frag="config/mt-spu" 2535 ;; 2536 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2537 target_makefile_frag="config/mt-sde" 2538 ;; 2539 mipsisa*-*-elfoabi*) 2540 target_makefile_frag="config/mt-mips-elfoabi" 2541 ;; 2542 mips*-*-*linux* | mips*-*-gnu*) 2543 target_makefile_frag="config/mt-mips-gnu" 2544 ;; 2545 nios2-*-elf*) 2546 target_makefile_frag="config/mt-nios2-elf" 2547 ;; 2548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2549 target_makefile_frag="config/mt-gnu" 2550 ;; 2551 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2552 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2553 # commands to handle both 32-bit and 64-bit objects. These flags are 2554 # harmless if we're using GNU nm or ar. 2555 extra_arflags_for_target=" -X32_64" 2556 extra_nmflags_for_target=" -B -X32_64" 2557 ;; 2558esac 2559 2560alphaieee_frag=/dev/null 2561case $target in 2562 alpha*-*-*) 2563 # This just makes sure to use the -mieee option to build target libs. 2564 # This should probably be set individually by each library. 2565 alphaieee_frag="config/mt-alphaieee" 2566 ;; 2567esac 2568 2569# If --enable-target-optspace always use -Os instead of -O2 to build 2570# the target libraries, similarly if it is not specified, use -Os 2571# on selected platforms. 2572ospace_frag=/dev/null 2573case "${enable_target_optspace}:${target}" in 2574 yes:*) 2575 ospace_frag="config/mt-ospace" 2576 ;; 2577 :d30v-*) 2578 ospace_frag="config/mt-d30v" 2579 ;; 2580 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2581 ospace_frag="config/mt-ospace" 2582 ;; 2583 no:* | :*) 2584 ;; 2585 *) 2586 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2587 ;; 2588esac 2589 2590# Some systems (e.g., one of the i386-aix systems the gas testers are 2591# using) don't handle "\$" correctly, so don't use it here. 2592tooldir='${exec_prefix}'/${target_noncanonical} 2593build_tooldir=${tooldir} 2594 2595# Create a .gdbinit file which runs the one in srcdir 2596# and tells GDB to look there for source files. 2597 2598if test -r ${srcdir}/.gdbinit ; then 2599 case ${srcdir} in 2600 .) ;; 2601 *) cat > ./.gdbinit <<EOF 2602# ${NO_EDIT} 2603dir ${srcdir} 2604dir . 2605source ${srcdir}/.gdbinit 2606EOF 2607 ;; 2608 esac 2609fi 2610 2611# Make sure that the compiler is able to generate an executable. If it 2612# can't, we are probably in trouble. We don't care whether we can run the 2613# executable--we might be using a cross compiler--we only care whether it 2614# can be created. At this point the main configure script has set CC. 2615we_are_ok=no 2616echo "int main () { return 0; }" > conftest.c 2617${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2618if test $? = 0 ; then 2619 if test -s conftest || test -s conftest.exe ; then 2620 we_are_ok=yes 2621 fi 2622fi 2623case $we_are_ok in 2624 no) 2625 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2626 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2627 rm -f conftest* 2628 exit 1 2629 ;; 2630esac 2631rm -f conftest* 2632 2633# Decide which environment variable is used to find dynamic libraries. 2634case "${host}" in 2635 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2636 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2637 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2638 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2639esac 2640 2641# On systems where the dynamic library environment variable is PATH, 2642# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2643# built executables to PATH. 2644if test "$RPATH_ENVVAR" = PATH; then 2645 GCC_SHLIB_SUBDIR=/shlib 2646else 2647 GCC_SHLIB_SUBDIR= 2648fi 2649 2650# Adjust the toplevel makefile according to whether bootstrap was selected. 2651case $enable_bootstrap in 2652 yes) 2653 bootstrap_suffix=bootstrap 2654 BUILD_CONFIG=bootstrap-debug 2655 ;; 2656 no) 2657 bootstrap_suffix=no-bootstrap 2658 BUILD_CONFIG= 2659 ;; 2660esac 2661 2662AC_MSG_CHECKING(for default BUILD_CONFIG) 2663 2664AC_ARG_WITH([build-config], 2665 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2666 [use config/NAME.mk build configuration])], 2667 [case $with_build_config in 2668 yes) with_build_config= ;; 2669 no) with_build_config= BUILD_CONFIG= ;; 2670 esac]) 2671 2672if test "x${with_build_config}" != x; then 2673 BUILD_CONFIG=$with_build_config 2674else 2675 case $BUILD_CONFIG in 2676 bootstrap-debug) 2677 if echo "int f (void) { return 0; }" > conftest.c && 2678 ${CC} -c conftest.c && 2679 mv conftest.o conftest.o.g0 && 2680 ${CC} -c -g conftest.c && 2681 mv conftest.o conftest.o.g && 2682 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2683 : 2684 else 2685 BUILD_CONFIG= 2686 fi 2687 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2688 ;; 2689 esac 2690fi 2691AC_MSG_RESULT($BUILD_CONFIG) 2692AC_SUBST(BUILD_CONFIG) 2693 2694# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2695AC_MSG_CHECKING([for --enable-vtable-verify]) 2696AC_ARG_ENABLE(vtable-verify, 2697[ --enable-vtable-verify Enable vtable verification feature ], 2698[case "$enableval" in 2699 yes) enable_vtable_verify=yes ;; 2700 no) enable_vtable_verify=no ;; 2701 *) enable_vtable_verify=no;; 2702 esac], 2703[enable_vtable_verify=no]) 2704AC_MSG_RESULT($enable_vtable_verify) 2705 2706# Record target_configdirs and the configure arguments for target and 2707# build configuration in Makefile. 2708target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2709build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2710bootstrap_fixincludes=no 2711 2712# If we are building libgomp, bootstrap it. 2713if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2714 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2715fi 2716 2717# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2718# or bootstrap-ubsan, bootstrap it. 2719if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2720 case "$BUILD_CONFIG" in 2721 *bootstrap-asan* | *bootstrap-ubsan* ) 2722 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2723 bootstrap_fixincludes=yes 2724 ;; 2725 esac 2726fi 2727 2728# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2729if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2730 test "$enable_vtable_verify" != no; then 2731 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2732fi 2733 2734# If we are building libmpx, bootstrap it. 2735if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2736 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2737fi 2738 2739# Determine whether gdb needs tk/tcl or not. 2740# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2741# and in that case we want gdb to be built without tk. Ugh! 2742# In fact I believe gdb is the *only* package directly dependent on tk, 2743# so we should be able to put the 'maybe's in unconditionally and 2744# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2745# 100% sure that that's safe though. 2746 2747gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2748case "$enable_gdbtk" in 2749 no) 2750 GDB_TK="" ;; 2751 yes) 2752 GDB_TK="${gdb_tk}" ;; 2753 *) 2754 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2755 # distro. Eventually someone will fix this and move Insight, nee 2756 # gdbtk to a separate directory. 2757 if test -d ${srcdir}/gdb/gdbtk ; then 2758 GDB_TK="${gdb_tk}" 2759 else 2760 GDB_TK="" 2761 fi 2762 ;; 2763esac 2764CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2765INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2766 2767# Strip out unwanted targets. 2768 2769# While at that, we remove Makefiles if we were started for recursive 2770# configuration, so that the top-level Makefile reconfigures them, 2771# like we used to do when configure itself was recursive. 2772 2773# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2774# but now we're fixing up the Makefile ourselves with the additional 2775# commands passed to AC_CONFIG_FILES. Use separate variables 2776# extrasub-{build,host,target} not because there is any reason to split 2777# the substitutions up that way, but only to remain below the limit of 2778# 99 commands in a script, for HP-UX sed. 2779# Do not nest @if/@endif pairs, because configure will not warn you at all. 2780 2781case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2782 yes:yes:*\ gold\ *:*,c++,*) ;; 2783 yes:yes:*\ gold\ *:*) 2784 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2785 ;; 2786esac 2787 2788extrasub_build= 2789for module in ${build_configdirs} ; do 2790 if test -z "${no_recursion}" \ 2791 && test -f ${build_subdir}/${module}/Makefile; then 2792 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2793 rm -f ${build_subdir}/${module}/Makefile 2794 fi 2795 extrasub_build="$extrasub_build 2796/^@if build-$module\$/d 2797/^@endif build-$module\$/d 2798/^@if build-$module-$bootstrap_suffix\$/d 2799/^@endif build-$module-$bootstrap_suffix\$/d" 2800done 2801extrasub_host= 2802for module in ${configdirs} ; do 2803 if test -z "${no_recursion}"; then 2804 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2805 if test -f ${file}; then 2806 echo 1>&2 "*** removing ${file} to force reconfigure" 2807 rm -f ${file} 2808 fi 2809 done 2810 fi 2811 case ${module},${bootstrap_fixincludes} in 2812 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2813 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2814 esac 2815 extrasub_host="$extrasub_host 2816/^@if $module\$/d 2817/^@endif $module\$/d 2818/^@if $module-$host_bootstrap_suffix\$/d 2819/^@endif $module-$host_bootstrap_suffix\$/d" 2820done 2821extrasub_target= 2822for module in ${target_configdirs} ; do 2823 if test -z "${no_recursion}" \ 2824 && test -f ${target_subdir}/${module}/Makefile; then 2825 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2826 rm -f ${target_subdir}/${module}/Makefile 2827 fi 2828 2829 # We only bootstrap target libraries listed in bootstrap_target_libs. 2830 case $bootstrap_target_libs in 2831 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2832 *) target_bootstrap_suffix=no-bootstrap ;; 2833 esac 2834 2835 extrasub_target="$extrasub_target 2836/^@if target-$module\$/d 2837/^@endif target-$module\$/d 2838/^@if target-$module-$target_bootstrap_suffix\$/d 2839/^@endif target-$module-$target_bootstrap_suffix\$/d" 2840done 2841 2842# Do the final fixup along with target modules. 2843extrasub_target="$extrasub_target 2844/^@if /,/^@endif /d" 2845 2846# Create the serialization dependencies. This uses a temporary file. 2847 2848AC_ARG_ENABLE([serial-configure], 2849[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2850 [force sequential configuration of 2851 sub-packages for the host, target or build 2852 machine, or all sub-packages])]) 2853 2854case ${enable_serial_configure} in 2855 yes) 2856 enable_serial_build_configure=yes 2857 enable_serial_host_configure=yes 2858 enable_serial_target_configure=yes 2859 ;; 2860esac 2861 2862# These force 'configure's to be done one at a time, to avoid problems 2863# with contention over a shared config.cache. 2864rm -f serdep.tmp 2865echo '# serdep.tmp' > serdep.tmp 2866olditem= 2867test "x${enable_serial_build_configure}" = xyes && 2868for item in ${build_configdirs} ; do 2869 case ${olditem} in 2870 "") ;; 2871 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2872 esac 2873 olditem=${item} 2874done 2875olditem= 2876test "x${enable_serial_host_configure}" = xyes && 2877for item in ${configdirs} ; do 2878 case ${olditem} in 2879 "") ;; 2880 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2881 esac 2882 olditem=${item} 2883done 2884olditem= 2885test "x${enable_serial_target_configure}" = xyes && 2886for item in ${target_configdirs} ; do 2887 case ${olditem} in 2888 "") ;; 2889 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2890 esac 2891 olditem=${item} 2892done 2893serialization_dependencies=serdep.tmp 2894AC_SUBST_FILE(serialization_dependencies) 2895 2896# Base args. Strip norecursion, cache-file, srcdir, host, build, 2897# target, nonopt, and variable assignments. These are the ones we 2898# might not want to pass down to subconfigures. The exception being 2899# --cache-file=/dev/null, which is used to turn off the use of cache 2900# files altogether, and which should be passed on to subconfigures. 2901# Also strip program-prefix, program-suffix, and program-transform-name, 2902# so that we can pass down a consistent program-transform-name. 2903baseargs= 2904tbaseargs= 2905keep_next=no 2906skip_next=no 2907eval "set -- $ac_configure_args" 2908for ac_arg 2909do 2910 if test X"$skip_next" = X"yes"; then 2911 skip_next=no 2912 continue 2913 fi 2914 if test X"$keep_next" = X"yes"; then 2915 case $ac_arg in 2916 *\'*) 2917 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2918 esac 2919 baseargs="$baseargs '$ac_arg'" 2920 tbaseargs="$tbaseargs '$ac_arg'" 2921 keep_next=no 2922 continue 2923 fi 2924 2925 # Handle separated arguments. Based on the logic generated by 2926 # autoconf 2.59. 2927 case $ac_arg in 2928 *=* | --config-cache | -C | -disable-* | --disable-* \ 2929 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2930 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2931 | -with-* | --with-* | -without-* | --without-* | --x) 2932 separate_arg=no 2933 ;; 2934 -*) 2935 separate_arg=yes 2936 ;; 2937 *) 2938 separate_arg=no 2939 ;; 2940 esac 2941 2942 skip_targ=no 2943 case $ac_arg in 2944changequote(,) 2945 --with-* | --without-*) 2946 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2947 2948 case $libopt in 2949 *[-_]include) 2950 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2951 ;; 2952 *[-_]lib) 2953 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2954 ;; 2955 *) 2956 lib=$libopt 2957 ;; 2958 esac 2959changequote([,]) 2960 2961 case $lib in 2962 mpc | mpfr | gmp | isl) 2963 # If we're processing --with-$lib, --with-$lib-include or 2964 # --with-$lib-lib, for one of the libs above, and target is 2965 # different from host, don't pass the current argument to any 2966 # target library's configure. 2967 if test x$is_cross_compiler = xyes; then 2968 skip_targ=yes 2969 fi 2970 ;; 2971 esac 2972 ;; 2973 esac 2974 2975 case "$ac_arg" in 2976 --cache-file=/dev/null | \ 2977 -cache-file=/dev/null ) 2978 # Handled here to avoid the test to skip args below. 2979 baseargs="$baseargs '$ac_arg'" 2980 tbaseargs="$tbaseargs '$ac_arg'" 2981 # Assert: $separate_arg should always be no. 2982 keep_next=$separate_arg 2983 ;; 2984 --no*) 2985 continue 2986 ;; 2987 --c* | \ 2988 --sr* | \ 2989 --ho* | \ 2990 --bu* | \ 2991 --t* | \ 2992 --program-* | \ 2993 -cache_file* | \ 2994 -srcdir* | \ 2995 -host* | \ 2996 -build* | \ 2997 -target* | \ 2998 -program-prefix* | \ 2999 -program-suffix* | \ 3000 -program-transform-name* ) 3001 skip_next=$separate_arg 3002 continue 3003 ;; 3004 -*) 3005 # An option. Add it. 3006 case $ac_arg in 3007 *\'*) 3008 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3009 esac 3010 baseargs="$baseargs '$ac_arg'" 3011 if test X"$skip_targ" = Xno; then 3012 tbaseargs="$tbaseargs '$ac_arg'" 3013 fi 3014 keep_next=$separate_arg 3015 ;; 3016 *) 3017 # Either a variable assignment, or a nonopt (triplet). Don't 3018 # pass it down; let the Makefile handle this. 3019 continue 3020 ;; 3021 esac 3022done 3023# Remove the initial space we just introduced and, as these will be 3024# expanded by make, quote '$'. 3025baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3026 3027# Add in --program-transform-name, after --program-prefix and 3028# --program-suffix have been applied to it. Autoconf has already 3029# doubled dollar signs and backslashes in program_transform_name; we want 3030# the backslashes un-doubled, and then the entire thing wrapped in single 3031# quotes, because this will be expanded first by make and then by the shell. 3032# Also, because we want to override the logic in subdir configure scripts to 3033# choose program_transform_name, replace any s,x,x, with s,y,y,. 3034sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3035${program_transform_name} 3036EOF_SED 3037gcc_transform_name=`cat conftestsed.out` 3038rm -f conftestsed.out 3039baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3040tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3041if test "$silent" = yes; then 3042 baseargs="$baseargs --silent" 3043 tbaseargs="$tbaseargs --silent" 3044fi 3045baseargs="$baseargs --disable-option-checking" 3046tbaseargs="$tbaseargs --disable-option-checking" 3047 3048# Record and document user additions to sub configure arguments. 3049AC_ARG_VAR([build_configargs], 3050 [additional configure arguments for build directories]) 3051AC_ARG_VAR([host_configargs], 3052 [additional configure arguments for host directories]) 3053AC_ARG_VAR([target_configargs], 3054 [additional configure arguments for target directories]) 3055 3056# For the build-side libraries, we just need to pretend we're native, 3057# and not use the same cache file. Multilibs are neither needed nor 3058# desired. We can't even use the same cache file for all build-side 3059# libraries, as they're compiled differently; some with C, some with 3060# C++ or with different feature-enabling options. 3061build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3062 3063# For host modules, accept cache file option, or specification as blank. 3064case "${cache_file}" in 3065"") # empty 3066 cache_file_option="" ;; 3067/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3068 cache_file_option="--cache-file=${cache_file}" ;; 3069*) # relative path 3070 cache_file_option="--cache-file=../${cache_file}" ;; 3071esac 3072 3073# Host dirs don't like to share a cache file either, horribly enough. 3074# This seems to be due to autoconf 2.5x stupidity. 3075host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3076 3077target_configargs="$target_configargs ${tbaseargs}" 3078 3079# Passing a --with-cross-host argument lets the target libraries know 3080# whether they are being built with a cross-compiler or being built 3081# native. However, it would be better to use other mechanisms to make the 3082# sorts of decisions they want to make on this basis. Please consider 3083# this option to be deprecated. FIXME. 3084if test x${is_cross_compiler} = xyes ; then 3085 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3086fi 3087 3088# Special user-friendly check for native x86_64-linux build, if 3089# multilib is not explicitly enabled. 3090case "$target:$have_compiler:$host:$target:$enable_multilib" in 3091 x86_64-*linux*:yes:$build:$build:) 3092 # Make sure we have a developement environment that handles 32-bit 3093 dev64=no 3094 echo "int main () { return 0; }" > conftest.c 3095 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3096 if test $? = 0 ; then 3097 if test -s conftest || test -s conftest.exe ; then 3098 dev64=yes 3099 fi 3100 fi 3101 rm -f conftest* 3102 if test x${dev64} != xyes ; then 3103 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3104 fi 3105 ;; 3106esac 3107 3108# Default to --enable-multilib. 3109if test x${enable_multilib} = x ; then 3110 target_configargs="--enable-multilib ${target_configargs}" 3111fi 3112 3113# Pass --with-newlib if appropriate. Note that target_configdirs has 3114# changed from the earlier setting of with_newlib. 3115if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3116 target_configargs="--with-newlib ${target_configargs}" 3117fi 3118 3119# Different target subdirs use different values of certain variables 3120# (notably CXX). Worse, multilibs use *lots* of different values. 3121# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3122# it doesn't automatically accept command-line overrides of them. 3123# This means it's not safe for target subdirs to share a cache file, 3124# which is disgusting, but there you have it. Hopefully this can be 3125# fixed in future. It's still worthwhile to use a cache file for each 3126# directory. I think. 3127 3128# Pass the appropriate --build, --host, --target and --cache-file arguments. 3129# We need to pass --target, as newer autoconf's requires consistency 3130# for target_alias and gcc doesn't manage it consistently. 3131target_configargs="--cache-file=./config.cache ${target_configargs}" 3132 3133FLAGS_FOR_TARGET= 3134case " $target_configdirs " in 3135 *" newlib "*) 3136 case " $target_configargs " in 3137 *" --with-newlib "*) 3138 case "$target" in 3139 *-cygwin*) 3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3141 ;; 3142 esac 3143 3144 # If we're not building GCC, don't discard standard headers. 3145 if test -d ${srcdir}/gcc; then 3146 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3147 3148 if test "${build}" != "${host}"; then 3149 # On Canadian crosses, CC_FOR_TARGET will have already been set 3150 # by `configure', so we won't have an opportunity to add -Bgcc/ 3151 # to it. This is right: we don't want to search that directory 3152 # for binaries, but we want the header files in there, so add 3153 # them explicitly. 3154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3155 3156 # Someone might think of using the pre-installed headers on 3157 # Canadian crosses, in case the installed compiler is not fully 3158 # compatible with the compiler being built. In this case, it 3159 # would be better to flag an error than risking having 3160 # incompatible object files being constructed. We can't 3161 # guarantee that an error will be flagged, but let's hope the 3162 # compiler will do it, when presented with incompatible header 3163 # files. 3164 fi 3165 fi 3166 3167 case "${target}-${is_cross_compiler}" in 3168 i[[3456789]]86-*-linux*-no) 3169 # Here host == target, so we don't need to build gcc, 3170 # so we don't want to discard standard headers. 3171 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3172 ;; 3173 *) 3174 # If we're building newlib, use its generic headers last, but search 3175 # for any libc-related directories first (so make it the last -B 3176 # switch). 3177 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3178 3179 # If we're building libgloss, find the startup file, simulator library 3180 # and linker script. 3181 case " $target_configdirs " in 3182 *" libgloss "*) 3183 # Look for startup file, simulator library and maybe linker script. 3184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3185 # Look for libnosys.a in case the target needs it. 3186 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3187 # Most targets have the linker script in the source directory. 3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3189 ;; 3190 esac 3191 ;; 3192 esac 3193 ;; 3194 esac 3195 ;; 3196esac 3197 3198case "$target" in 3199 x86_64-*mingw* | *-w64-mingw*) 3200 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3201 # however, use a symlink named 'mingw' in ${prefix} . 3202 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3203 ;; 3204 *-mingw*) 3205 # MinGW can't be handled as Cygwin above since it does not use newlib. 3206 FLAGS_FOR_TARGET=$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' 3207 ;; 3208esac 3209 3210# Allow the user to override the flags for 3211# our build compiler if desired. 3212if test x"${build}" = x"${host}" ; then 3213 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3214 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3215 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3216fi 3217 3218# On Canadian crosses, we'll be searching the right directories for 3219# the previously-installed cross compiler, so don't bother to add 3220# flags for directories within the install tree of the compiler 3221# being built; programs in there won't even run. 3222if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3223 # Search for pre-installed headers if nothing else fits. 3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3225fi 3226 3227if test "x${use_gnu_ld}" = x && 3228 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3229 # Arrange for us to find uninstalled linker scripts. 3230 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3231fi 3232 3233# Search for other target-specific linker scripts and such. 3234case "${target}" in 3235 mep*) 3236 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3237 ;; 3238esac 3239 3240# Makefile fragments. 3241for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3242do 3243 eval fragval=\$$frag 3244 if test $fragval != /dev/null; then 3245 eval $frag=${srcdir}/$fragval 3246 fi 3247done 3248AC_SUBST_FILE(host_makefile_frag) 3249AC_SUBST_FILE(target_makefile_frag) 3250AC_SUBST_FILE(alphaieee_frag) 3251AC_SUBST_FILE(ospace_frag) 3252 3253# Miscellanea: directories, flags, etc. 3254AC_SUBST(RPATH_ENVVAR) 3255AC_SUBST(GCC_SHLIB_SUBDIR) 3256AC_SUBST(tooldir) 3257AC_SUBST(build_tooldir) 3258AC_SUBST(CONFIGURE_GDB_TK) 3259AC_SUBST(GDB_TK) 3260AC_SUBST(INSTALL_GDB_TK) 3261 3262# Build module lists & subconfigure args. 3263AC_SUBST(build_configargs) 3264AC_SUBST(build_configdirs) 3265 3266# Host module lists & subconfigure args. 3267AC_SUBST(host_configargs) 3268AC_SUBST(configdirs) 3269AC_SUBST(target_configdirs) 3270 3271# Target module lists & subconfigure args. 3272AC_SUBST(target_configargs) 3273 3274 3275# Build tools. 3276AC_SUBST(AR_FOR_BUILD) 3277AC_SUBST(AS_FOR_BUILD) 3278AC_SUBST(CC_FOR_BUILD) 3279AC_SUBST(CFLAGS_FOR_BUILD) 3280AC_SUBST(CXXFLAGS_FOR_BUILD) 3281AC_SUBST(CXX_FOR_BUILD) 3282AC_SUBST(DLLTOOL_FOR_BUILD) 3283AC_SUBST(GCJ_FOR_BUILD) 3284AC_SUBST(GFORTRAN_FOR_BUILD) 3285AC_SUBST(GOC_FOR_BUILD) 3286AC_SUBST(LDFLAGS_FOR_BUILD) 3287AC_SUBST(LD_FOR_BUILD) 3288AC_SUBST(NM_FOR_BUILD) 3289AC_SUBST(RANLIB_FOR_BUILD) 3290AC_SUBST(WINDMC_FOR_BUILD) 3291AC_SUBST(WINDRES_FOR_BUILD) 3292 3293# Generate default definitions for YACC, M4, LEX and other programs that run 3294# on the build machine. These are used if the Makefile can't locate these 3295# programs in objdir. 3296MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3297 3298AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3299case " $build_configdirs " in 3300 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3301esac 3302 3303AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3304case " $build_configdirs " in 3305 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3306esac 3307 3308AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3309case " $build_configdirs " in 3310 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3311esac 3312 3313AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3314case " $build_configdirs " in 3315 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3316 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3317esac 3318 3319AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3320case " $build_configdirs " in 3321 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3322esac 3323 3324AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3325case " $build_configdirs " in 3326 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3327 *) 3328changequote(,) 3329 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3330 # higher, else we use the "missing" dummy. 3331 if ${MAKEINFO} --version \ 3332 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3333 : 3334 else 3335 MAKEINFO="$MISSING makeinfo" 3336 fi 3337 ;; 3338changequote([,]) 3339esac 3340 3341# FIXME: expect and dejagnu may become build tools? 3342 3343AC_CHECK_PROGS(EXPECT, expect, expect) 3344case " $configdirs " in 3345 *" expect "*) 3346 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3347 ;; 3348esac 3349 3350AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3351case " $configdirs " in 3352 *" dejagnu "*) 3353 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3354 ;; 3355esac 3356 3357 3358# Host tools. 3359NCN_STRICT_CHECK_TOOLS(AR, ar) 3360NCN_STRICT_CHECK_TOOLS(AS, as) 3361NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3362NCN_STRICT_CHECK_TOOLS(LD, ld) 3363NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3364NCN_STRICT_CHECK_TOOLS(NM, nm) 3365NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3366NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3367NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3368NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3369NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3370NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3371NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3372AC_SUBST(CC) 3373AC_SUBST(CXX) 3374AC_SUBST(CFLAGS) 3375AC_SUBST(CXXFLAGS) 3376 3377# Target tools. 3378AC_ARG_WITH([build-time-tools], 3379 [AS_HELP_STRING([--with-build-time-tools=PATH], 3380 [use given path to find target tools during the build])], 3381 [case x"$withval" in 3382 x/*) ;; 3383 *) 3384 with_build_time_tools= 3385 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3386 ;; 3387 esac], 3388 [with_build_time_tools=]) 3389 3390NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3391NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3392NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3393NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3394NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3395NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3396 3397ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3398ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3399ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3400ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3401ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3402ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3403ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3404ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3405ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3406ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3407ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3408ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3409ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3410 3411RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3412 3413GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3414GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3415GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3416dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3417GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3418 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3419 c++) 3420GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3421 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3422 c++) 3423GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3424GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3425GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3426 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3427GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3428 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3429GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3430 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3431GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3432GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3433GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3434GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3435GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3436GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3437GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3438GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3439GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3440GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3441 3442AC_SUBST(FLAGS_FOR_TARGET) 3443AC_SUBST(RAW_CXX_FOR_TARGET) 3444 3445# Certain tools may need extra flags. 3446AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3447RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3448NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3449 3450# When building target libraries, except in a Canadian cross, we use 3451# the same toolchain as the compiler we just built. 3452COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3453COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3454COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3455if test $host = $build; then 3456 case " $configdirs " in 3457 *" gcc "*) 3458 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3459 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3460 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3461 ;; 3462 esac 3463fi 3464 3465AC_SUBST(COMPILER_AS_FOR_TARGET) 3466AC_SUBST(COMPILER_LD_FOR_TARGET) 3467AC_SUBST(COMPILER_NM_FOR_TARGET) 3468 3469AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3470AC_ARG_ENABLE(maintainer-mode, 3471[AS_HELP_STRING([--enable-maintainer-mode], 3472 [enable make rules and dependencies not useful 3473 (and sometimes confusing) to the casual installer])], 3474 USE_MAINTAINER_MODE=$enableval, 3475 USE_MAINTAINER_MODE=no) 3476AC_MSG_RESULT($USE_MAINTAINER_MODE) 3477AC_SUBST(MAINTAINER_MODE_TRUE) 3478AC_SUBST(MAINTAINER_MODE_FALSE) 3479if test "$USE_MAINTAINER_MODE" = yes; then 3480 MAINTAINER_MODE_TRUE= 3481 MAINTAINER_MODE_FALSE='#' 3482else 3483 MAINTAINER_MODE_TRUE='#' 3484 MAINTAINER_MODE_FALSE= 3485fi 3486MAINT=$MAINTAINER_MODE_TRUE 3487AC_SUBST(MAINT)dnl 3488 3489# --------------------- 3490# GCC bootstrap support 3491# --------------------- 3492 3493# Stage specific cflags for build. 3494stage1_cflags="-g" 3495case $build in 3496 vax-*-*) 3497 case ${GCC} in 3498 yes) stage1_cflags="-g -Wa,-J" ;; 3499 *) stage1_cflags="-g -J" ;; 3500 esac ;; 3501esac 3502 3503AC_SUBST(stage1_cflags) 3504 3505# Enable --enable-checking in stage1 of the compiler. 3506AC_ARG_ENABLE(stage1-checking, 3507[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3508 [choose additional checking for stage1 of the compiler])], 3509[stage1_checking=--enable-checking=${enable_stage1_checking}], 3510[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3511 stage1_checking=--enable-checking=yes,types 3512else 3513 stage1_checking=--enable-checking=$enable_checking,types 3514fi]) 3515AC_SUBST(stage1_checking) 3516 3517# Enable -Werror in bootstrap stage2 and later. 3518AC_ARG_ENABLE(werror, 3519[AS_HELP_STRING([--enable-werror], 3520 [enable -Werror in bootstrap stage2 and later])], [], 3521[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3522 enable_werror=yes 3523else 3524 enable_werror=no 3525fi]) 3526case ${enable_werror} in 3527 yes) stage2_werror_flag="--enable-werror-always" ;; 3528 *) stage2_werror_flag="" ;; 3529esac 3530AC_SUBST(stage2_werror_flag) 3531 3532# Enable --enable-host-shared. 3533AC_ARG_ENABLE(host-shared, 3534[AS_HELP_STRING([--enable-host-shared], 3535 [build host code as shared libraries])], 3536[host_shared=$enableval], [host_shared=no]) 3537AC_SUBST(host_shared) 3538 3539# PR jit/64780: Require the user to explicitly specify 3540# --enable-host-shared if the jit is enabled, hinting 3541# that they might want to do a separate configure/build of 3542# the jit, to avoid users from slowing down the rest of the 3543# compiler by enabling the jit. 3544if test ${host_shared} = "no" ; then 3545 case "${enable_languages}" in 3546 *jit*) 3547 AC_MSG_ERROR([ 3548Enabling language "jit" requires --enable-host-shared. 3549 3550--enable-host-shared typically slows the rest of the compiler down by 3551a few %, so you must explicitly enable it. 3552 3553If you want to build both the jit and the regular compiler, it is often 3554best to do this via two separate configure/builds, in separate 3555directories, to avoid imposing the performance cost of 3556--enable-host-shared on the regular compiler.]) 3557 ;; 3558 *) 3559 ;; 3560 esac 3561fi 3562 3563# Specify what files to not compare during bootstrap. 3564 3565compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3566case "$target" in 3567 hppa*64*-*-hpux*) ;; 3568 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3569 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3570esac 3571AC_SUBST(compare_exclusions) 3572 3573AC_CONFIG_FILES([Makefile], 3574 [sed "$extrasub_build" Makefile | 3575 sed "$extrasub_host" | 3576 sed "$extrasub_target" > mf$$ 3577 mv -f mf$$ Makefile], 3578 [extrasub_build="$extrasub_build" 3579 extrasub_host="$extrasub_host" 3580 extrasub_target="$extrasub_target"]) 3581AC_OUTPUT 3582