1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# libgcj represents the runtime libraries only used by gcj. 146libgcj="target-libffi \ 147 target-zlib \ 148 target-libjava" 149 150# these libraries are built for the target environment, and are built after 151# the host libraries and the host tools (which may be a cross compiler) 152# Note that libiberty is not a target library. 153target_libraries="target-libgcc \ 154 target-libbacktrace \ 155 target-libgloss \ 156 target-newlib \ 157 target-libgomp \ 158 target-libcilkrts \ 159 target-liboffloadmic \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libmpx \ 166 target-libssp \ 167 target-libquadmath \ 168 target-libgfortran \ 169 target-boehm-gc \ 170 ${libgcj} \ 171 target-libobjc \ 172 target-libada \ 173 target-libgo" 174 175# these tools are built using the target libraries, and are intended to 176# run only in the target environment 177# 178# note: any program that *uses* libraries that are in the "target_libraries" 179# list belongs in this list. 180# 181target_tools="target-rda" 182 183################################################################################ 184 185## All tools belong in one of the four categories, and are assigned above 186## We assign ${configdirs} this way to remove all embedded newlines. This 187## is important because configure will choke if they ever get through. 188## ${configdirs} is directories we build using the host tools. 189## ${target_configdirs} is directories we build using the target tools. 190configdirs=`echo ${host_libs} ${host_tools}` 191target_configdirs=`echo ${target_libraries} ${target_tools}` 192build_configdirs=`echo ${build_libs} ${build_tools}` 193 194m4_divert_text([PARSE_ARGS], 195[case $srcdir in 196 *" "*) 197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 198 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 199m4_popdef([AS_MESSAGE_LOG_FD])dnl 200 ;; 201esac 202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 203]) 204 205################################################################################ 206 207srcname="gnu development package" 208 209# This gets set non-empty for some net releases of packages. 210appdirs="" 211 212# Define is_cross_compiler to save on calls to 'test'. 213is_cross_compiler= 214if test x"${host}" = x"${target}" ; then 215 is_cross_compiler=no 216else 217 is_cross_compiler=yes 218fi 219 220# Find the build and target subdir names. 221GCC_TOPLEV_SUBDIRS 222# Be sure to cover against remnants of an in-tree build. 223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 225Use a pristine source tree when building in a separate tree]) 226fi 227 228# Skipdirs are removed silently. 229skipdirs= 230# Noconfigdirs are removed loudly. 231noconfigdirs="" 232 233use_gnu_ld= 234# Make sure we don't let GNU ld be added if we didn't want it. 235if test x$with_gnu_ld = xno ; then 236 use_gnu_ld=no 237 noconfigdirs="$noconfigdirs ld gold" 238fi 239 240use_gnu_as= 241# Make sure we don't let GNU as be added if we didn't want it. 242if test x$with_gnu_as = xno ; then 243 use_gnu_as=no 244 noconfigdirs="$noconfigdirs gas" 245fi 246 247use_included_zlib= 248# Make sure we don't let ZLIB be added if we didn't want it. 249if test x$with_system_zlib = xyes ; then 250 use_included_zlib=no 251 noconfigdirs="$noconfigdirs zlib" 252fi 253 254# some tools are so dependent upon X11 that if we're not building with X, 255# it's not even worth trying to configure, much less build, that tool. 256 257case ${with_x} in 258 yes | "") ;; # the default value for this tree is that X11 is available 259 no) 260 skipdirs="${skipdirs} tk itcl libgui" 261 # We won't be able to build gdbtk without X. 262 enable_gdbtk=no 263 ;; 264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 265esac 266 267# Some are only suitable for cross toolchains. 268# Remove these if host=target. 269cross_only="target-libgloss target-newlib target-opcodes" 270 271case $is_cross_compiler in 272 no) skipdirs="${skipdirs} ${cross_only}" ;; 273esac 274 275# If both --with-headers and --with-libs are specified, default to 276# --without-newlib. 277if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 279 if test x"${with_newlib}" = x ; then 280 with_newlib=no 281 fi 282fi 283 284# Recognize --with-newlib/--without-newlib. 285case ${with_newlib} in 286 no) skipdirs="${skipdirs} target-newlib" ;; 287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 288esac 289 290AC_ARG_ENABLE(as-accelerator-for, 291[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 292 [build as offload target compiler. 293 Specify offload host triple by ARG])]) 294 295AC_ARG_ENABLE(offload-targets, 296[AS_HELP_STRING([--enable-offload-targets=LIST], 297 [enable offloading to devices from comma-separated LIST of 298 TARGET[=DIR]. Use optional path to find offload target compiler 299 during the build])], 300[ 301 if test x"$enable_offload_targets" = x; then 302 AC_MSG_ERROR([no offload targets specified]) 303 fi 304], [enable_offload_targets=]) 305 306# Handle --enable-gold, --enable-ld. 307# --disable-gold [--enable-ld] 308# Build only ld. Default option. 309# --enable-gold [--enable-ld] 310# Build both gold and ld. Install gold as "ld.gold", install ld 311# as "ld.bfd" and "ld". 312# --enable-gold=default [--enable-ld] 313# Build both gold and ld. Install gold as "ld.gold" and "ld", 314# install ld as "ld.bfd". 315# --enable-gold[=default] --disable-ld 316# Build only gold, which is then installed as both "ld.gold" and "ld". 317# --enable-gold --enable-ld=default 318# Build both gold (installed as "ld.gold") and ld (installed as "ld" 319# and ld.bfd). 320# In other words, ld is default 321# --enable-gold=default --enable-ld=default 322# Error. 323 324default_ld= 325AC_ARG_ENABLE(gold, 326[AS_HELP_STRING([[--enable-gold[=ARG]]], 327 [build gold @<:@ARG={default,yes,no}@:>@])], 328ENABLE_GOLD=$enableval, 329ENABLE_GOLD=no) 330case "${ENABLE_GOLD}" in 331 yes|default) 332 # Check for ELF target. 333 is_elf=no 334 case "${target}" in 335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 338 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 339 case "${target}" in 340 *-*-linux*aout* | *-*-linux*oldld*) 341 ;; 342 *) 343 is_elf=yes 344 ;; 345 esac 346 esac 347 348 if test "$is_elf" = "yes"; then 349 # Check for target supported by gold. 350 case "${target}" in 351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 352 | aarch64*-*-* | tilegx*-*-*) 353 configdirs="$configdirs gold" 354 if test x${ENABLE_GOLD} = xdefault; then 355 default_ld=gold 356 fi 357 ENABLE_GOLD=yes 358 ;; 359 esac 360 fi 361 ;; 362 no) 363 ;; 364 *) 365 AC_MSG_ERROR([invalid --enable-gold argument]) 366 ;; 367esac 368 369AC_ARG_ENABLE(ld, 370[AS_HELP_STRING([[--enable-ld[=ARG]]], 371 [build ld @<:@ARG={default,yes,no}@:>@])], 372ENABLE_LD=$enableval, 373ENABLE_LD=yes) 374 375case "${ENABLE_LD}" in 376 default) 377 if test x${default_ld} != x; then 378 AC_MSG_ERROR([either gold or ld can be the default ld]) 379 fi 380 ;; 381 yes) 382 ;; 383 no) 384 if test x${ENABLE_GOLD} != xyes; then 385 AC_MSG_WARN([neither ld nor gold are enabled]) 386 fi 387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 388 ;; 389 *) 390 AC_MSG_ERROR([invalid --enable-ld argument]) 391 ;; 392esac 393 394# Configure extra directories which are host specific 395 396case "${host}" in 397 *-cygwin*) 398 configdirs="$configdirs libtermcap" ;; 399esac 400 401# A target can indicate whether a language isn't supported for some reason. 402# Only spaces may be used in this macro; not newlines or tabs. 403unsupported_languages= 404 405# Remove more programs from consideration, based on the host or 406# target this usually means that a port of the program doesn't 407# exist yet. 408 409case "${host}" in 410 i[[3456789]]86-*-msdosdjgpp*) 411 noconfigdirs="$noconfigdirs tcl tk itcl" 412 ;; 413 *-*-haiku*) 414 noconfigdirs="$noconfigdirs tk itcl libgui gdb" 415 ;; 416esac 417 418 419AC_ARG_ENABLE(libquadmath, 420AS_HELP_STRING([--disable-libquadmath], 421 [do not build libquadmath directory]), 422ENABLE_LIBQUADMATH=$enableval, 423ENABLE_LIBQUADMATH=yes) 424if test "${ENABLE_LIBQUADMATH}" = "no" ; then 425 noconfigdirs="$noconfigdirs target-libquadmath" 426fi 427 428 429AC_ARG_ENABLE(libquadmath-support, 430AS_HELP_STRING([--disable-libquadmath-support], 431 [disable libquadmath support for Fortran]), 432ENABLE_LIBQUADMATH_SUPPORT=$enableval, 433ENABLE_LIBQUADMATH_SUPPORT=yes) 434enable_libquadmath_support= 435if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 436 enable_libquadmath_support=no 437fi 438 439 440AC_ARG_ENABLE(libada, 441[AS_HELP_STRING([--enable-libada], [build libada directory])], 442ENABLE_LIBADA=$enableval, 443ENABLE_LIBADA=yes) 444if test "${ENABLE_LIBADA}" != "yes" ; then 445 noconfigdirs="$noconfigdirs gnattools" 446fi 447 448AC_ARG_ENABLE(libssp, 449[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 450ENABLE_LIBSSP=$enableval, 451ENABLE_LIBSSP=yes) 452 453AC_ARG_ENABLE(libstdcxx, 454AS_HELP_STRING([--disable-libstdcxx], 455 [do not build libstdc++-v3 directory]), 456ENABLE_LIBSTDCXX=$enableval, 457ENABLE_LIBSTDCXX=default) 458[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 459 noconfigdirs="$noconfigdirs target-libstdc++-v3" 460fi] 461 462# If this is accelerator compiler and its target is intelmic we enable 463# target liboffloadmic by default. If this is compiler with offloading 464# for intelmic we enable host liboffloadmic by default. Otherwise 465# liboffloadmic is disabled by default. 466AC_ARG_ENABLE([liboffloadmic], 467AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 468 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 469[case "$enableval" in 470 no | host | target) 471 enable_liboffloadmic=$enableval ;; 472 *) 473 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 474esac], 475[if test x"$enable_as_accelerator_for" != x; then 476 case "${target}" in 477 *-intelmic-* | *-intelmicemul-*) 478 enable_liboffloadmic=target 479 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 480 ;; 481 *) 482 enable_liboffloadmic=no 483 ;; 484 esac 485else 486 case "${enable_offload_targets}" in 487 *-intelmic-* | *-intelmicemul-*) 488 enable_liboffloadmic=host 489 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 490 ;; 491 *) 492 enable_liboffloadmic=no 493 ;; 494 esac 495fi]) 496AC_SUBST(extra_liboffloadmic_configure_flags) 497 498# Save it here so that, even in case of --enable-libgcj, if the Java 499# front-end isn't enabled, we still get libgcj disabled. 500libgcj_saved=$libgcj 501case $enable_libgcj in 502yes) 503 # If we reset it here, it won't get added to noconfigdirs in the 504 # target-specific build rules, so it will be forcibly enabled 505 # (unless the Java language itself isn't enabled). 506 libgcj= 507 ;; 508no) 509 # Make sure we get it printed in the list of not supported target libs. 510 # Don't disable libffi, though, other languages use it. 511 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 512 # Clear libgcj_saved so that even if java is enabled libffi won't be 513 # built. 514 libgcj_saved= 515 ;; 516esac 517 518AC_ARG_ENABLE(static-libjava, 519[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 520 [build static libjava @<:@default=no@:>@])], 521ENABLE_STATIC_LIBJAVA=$enableval, 522ENABLE_STATIC_LIBJAVA=no) 523enable_static_libjava= 524if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 525 enable_static_libjava=yes 526fi 527 528if test x$enable_static_libjava != xyes ; then 529 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 530fi 531AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 532 533# Disable libgomp on non POSIX hosted systems. 534if test x$enable_libgomp = x ; then 535 # Enable libgomp by default on hosted POSIX systems. 536 case "${target}" in 537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 538 ;; 539 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 540 ;; 541 *-*-solaris2* | *-*-hpux11*) 542 ;; 543 *-*-darwin* | *-*-aix*) 544 ;; 545 *) 546 noconfigdirs="$noconfigdirs target-libgomp" 547 ;; 548 esac 549fi 550 551# Disable libatomic on unsupported systems. 552if test -d ${srcdir}/libatomic; then 553 if test x$enable_libatomic = x; then 554 AC_MSG_CHECKING([for libatomic support]) 555 if (srcdir=${srcdir}/libatomic; \ 556 . ${srcdir}/configure.tgt; \ 557 test -n "$UNSUPPORTED") 558 then 559 AC_MSG_RESULT([no]) 560 noconfigdirs="$noconfigdirs target-libatomic" 561 else 562 AC_MSG_RESULT([yes]) 563 fi 564 fi 565fi 566 567# Disable libcilkrts on unsupported systems. 568if test -d ${srcdir}/libcilkrts; then 569 if test x$enable_libcilkrts = x; then 570 AC_MSG_CHECKING([for libcilkrts support]) 571 if (srcdir=${srcdir}/libcilkrts; \ 572 . ${srcdir}/configure.tgt; \ 573 test -n "$UNSUPPORTED") 574 then 575 AC_MSG_RESULT([no]) 576 noconfigdirs="$noconfigdirs target-libcilkrts" 577 else 578 AC_MSG_RESULT([yes]) 579 fi 580 fi 581fi 582 583# Disable liboffloadmic on unsupported systems. 584if test -d ${srcdir}/liboffloadmic; then 585 if test x$enable_liboffloadmic != xno; then 586 AC_MSG_CHECKING([for liboffloadmic support]) 587 if (srcdir=${srcdir}/liboffloadmic; \ 588 . ${srcdir}/configure.tgt; \ 589 test -n "$UNSUPPORTED") 590 then 591 AC_MSG_RESULT([no]) 592 noconfigdirs="$noconfigdirs target-liboffloadmic" 593 else 594 AC_MSG_RESULT([yes]) 595 fi 596 fi 597fi 598 599# Disable libitm on unsupported systems. 600if test -d ${srcdir}/libitm; then 601 if test x$enable_libitm = x; then 602 AC_MSG_CHECKING([for libitm support]) 603 if (srcdir=${srcdir}/libitm; \ 604 . ${srcdir}/configure.tgt; \ 605 test -n "$UNSUPPORTED") 606 then 607 AC_MSG_RESULT([no]) 608 noconfigdirs="$noconfigdirs target-libitm" 609 else 610 AC_MSG_RESULT([yes]) 611 fi 612 fi 613fi 614 615# Disable libsanitizer on unsupported systems. 616if test -d ${srcdir}/libsanitizer; then 617 if test x$enable_libsanitizer = x; then 618 AC_MSG_CHECKING([for libsanitizer support]) 619 if (srcdir=${srcdir}/libsanitizer; \ 620 . ${srcdir}/configure.tgt; \ 621 test -n "$UNSUPPORTED") 622 then 623 AC_MSG_RESULT([no]) 624 noconfigdirs="$noconfigdirs target-libsanitizer" 625 else 626 AC_MSG_RESULT([yes]) 627 fi 628 fi 629fi 630 631# Disable libvtv on unsupported systems. 632if test -d ${srcdir}/libvtv; then 633 if test x$enable_libvtv = x; then 634 AC_MSG_CHECKING([for libvtv support]) 635 if (srcdir=${srcdir}/libvtv; \ 636 . ${srcdir}/configure.tgt; \ 637 test "$VTV_SUPPORTED" != "yes") 638 then 639 AC_MSG_RESULT([no]) 640 noconfigdirs="$noconfigdirs target-libvtv" 641 else 642 AC_MSG_RESULT([yes]) 643 fi 644 fi 645fi 646 647 648# Enable libmpx on supported systems by request. 649if test -d ${srcdir}/libmpx; then 650 if test x$enable_libmpx = xyes; then 651 AC_MSG_CHECKING([for libmpx support]) 652 if (srcdir=${srcdir}/libmpx; \ 653 . ${srcdir}/configure.tgt; \ 654 test "$LIBMPX_SUPPORTED" != "yes") 655 then 656 AC_MSG_RESULT([no]) 657 noconfigdirs="$noconfigdirs target-libmpx" 658 else 659 AC_MSG_RESULT([yes]) 660 fi 661 else 662 noconfigdirs="$noconfigdirs target-libmpx" 663 fi 664fi 665 666 667 668# Disable libquadmath for some systems. 669case "${target}" in 670 avr-*-*) 671 noconfigdirs="$noconfigdirs target-libquadmath" 672 ;; 673 # libquadmath is unused on AIX and libquadmath build process use of 674 # LD_LIBRARY_PATH can break AIX bootstrap. 675 powerpc-*-aix* | rs6000-*-aix*) 676 noconfigdirs="$noconfigdirs target-libquadmath" 677 ;; 678esac 679 680# Disable libssp for some systems. 681case "${target}" in 682 avr-*-*) 683 # No hosted I/O support. 684 noconfigdirs="$noconfigdirs target-libssp" 685 ;; 686 powerpc-*-aix* | rs6000-*-aix*) 687 noconfigdirs="$noconfigdirs target-libssp" 688 ;; 689 rl78-*-*) 690 # libssp uses a misaligned load to trigger a fault, but the RL78 691 # doesn't fault for those - instead, it gives a build-time error 692 # for explicit misaligned loads. 693 noconfigdirs="$noconfigdirs target-libssp" 694 ;; 695 visium-*-*) 696 # No hosted I/O support. 697 noconfigdirs="$noconfigdirs target-libssp" 698 ;; 699esac 700 701# Disable libstdc++-v3 for some systems. 702# Allow user to override this if they pass --enable-libstdc++-v3 703if test "${ENABLE_LIBSTDCXX}" = "default" ; then 704 case "${target}" in 705 *-*-vxworks*) 706 # VxWorks uses the Dinkumware C++ library. 707 noconfigdirs="$noconfigdirs target-libstdc++-v3" 708 ;; 709 arm*-wince-pe*) 710 # the C++ libraries don't build on top of CE's C libraries 711 noconfigdirs="$noconfigdirs target-libstdc++-v3" 712 ;; 713 avr-*-*) 714 noconfigdirs="$noconfigdirs target-libstdc++-v3" 715 ;; 716 esac 717fi 718 719# Disable Fortran for some systems. 720case "${target}" in 721 mmix-*-*) 722 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 723 unsupported_languages="$unsupported_languages fortran" 724 ;; 725esac 726 727# Disable Java if libffi is not supported. 728case "${target}" in 729 aarch64-*-*) 730 ;; 731 alpha*-*-*) 732 ;; 733 arm*-*-*) 734 ;; 735 cris-*-*) 736 ;; 737 frv-*-*) 738 ;; 739 hppa*-*-linux*) 740 ;; 741 hppa*-*-hpux*) 742 ;; 743 i?86-*-*) 744 ;; 745 ia64*-*-*) 746 ;; 747 m32r*-*-*) 748 ;; 749 m68k-*-*) 750 ;; 751 mips*-*-rtems*) 752 ;; 753 mips*-*-linux*) 754 ;; 755 powerpc*-*-linux*) 756 ;; 757 powerpc-*-darwin*) 758 ;; 759 powerpc-*-aix* | rs6000-*-aix*) 760 ;; 761 powerpc-*-freebsd*) 762 ;; 763 powerpc64-*-freebsd*) 764 ;; 765 powerpc*-*-rtems*) 766 ;; 767 s390-*-* | s390x-*-*) 768 ;; 769 sh-*-* | sh[[34]]*-*-*) 770 ;; 771 sh64-*-* | sh5*-*-*) 772 ;; 773 sparc*-*-*) 774 ;; 775 x86_64-*-*) 776 ;; 777 *-*-*) 778 unsupported_languages="$unsupported_languages java" 779 ;; 780esac 781 782# Disable Java, libgcj or related libraries for some systems. 783case "${target}" in 784 powerpc-*-darwin*) 785 ;; 786 i[[3456789]]86-*-darwin*) 787 ;; 788 x86_64-*-darwin[[912]]*) 789 ;; 790 *-*-darwin*) 791 noconfigdirs="$noconfigdirs ${libgcj}" 792 ;; 793 *-*-haiku*) 794 noconfigdirs="$noconfigdirs ${libgcj}" 795 ;; 796 *-*-netware*) 797 noconfigdirs="$noconfigdirs ${libgcj}" 798 ;; 799 *-*-rtems*) 800 noconfigdirs="$noconfigdirs ${libgcj}" 801 ;; 802 *-*-tpf*) 803 noconfigdirs="$noconfigdirs ${libgcj}" 804 ;; 805 *-*-uclinux*) 806 noconfigdirs="$noconfigdirs ${libgcj}" 807 ;; 808 *-*-vxworks*) 809 noconfigdirs="$noconfigdirs ${libgcj}" 810 ;; 811 alpha*-*-*vms*) 812 noconfigdirs="$noconfigdirs ${libgcj}" 813 ;; 814 arm*-*-freebsd*) 815 noconfigdirs="$noconfigdirs ${libgcj}" 816 ;; 817 arm-wince-pe) 818 noconfigdirs="$noconfigdirs ${libgcj}" 819 ;; 820 arm*-*-symbianelf*) 821 noconfigdirs="$noconfigdirs ${libgcj}" 822 ;; 823 bfin-*-*) 824 noconfigdirs="$noconfigdirs target-boehm-gc" 825 ;; 826 cris-*-* | crisv32-*-*) 827 unsupported_languages="$unsupported_languages java" 828 case "${target}" in 829 *-*-linux*) 830 ;; 831 *) # See PR46792 regarding target-libffi. 832 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 833 esac 834 ;; 835 hppa*64*-*-linux*) 836 # In this case, it's because the hppa64-linux target is for 837 # the kernel only at this point and has no libc, and thus no 838 # headers, crt*.o, etc., all of which are needed by these. 839 unsupported_languages="$unsupported_languages java" 840 ;; 841 hppa*64*-*-hpux*) 842 noconfigdirs="$noconfigdirs ${libgcj}" 843 ;; 844 hppa*-hp-hpux11*) 845 ;; 846 hppa*-*-hpux*) 847 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 848 # build on HP-UX 10.20. 849 noconfigdirs="$noconfigdirs ${libgcj}" 850 ;; 851 ia64*-*-*vms*) 852 noconfigdirs="$noconfigdirs ${libgcj}" 853 ;; 854 i[[3456789]]86-w64-mingw*) 855 noconfigdirs="$noconfigdirs ${libgcj}" 856 ;; 857 i[[3456789]]86-*-mingw*) 858 noconfigdirs="$noconfigdirs ${libgcj}" 859 ;; 860 x86_64-*-mingw*) 861 noconfigdirs="$noconfigdirs ${libgcj}" 862 ;; 863 mmix-*-*) 864 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 865 ;; 866 powerpc-*-aix*) 867 # copied from rs6000-*-* entry 868 noconfigdirs="$noconfigdirs ${libgcj}" 869 ;; 870 rs6000-*-aix*) 871 noconfigdirs="$noconfigdirs ${libgcj}" 872 ;; 873 *-*-lynxos*) 874 noconfigdirs="$noconfigdirs ${libgcj}" 875 ;; 876esac 877 878# Disable the go frontend on systems where it is known to not work. Please keep 879# this in sync with contrib/config-list.mk. 880case "${target}" in 881*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 882 unsupported_languages="$unsupported_languages go" 883 ;; 884esac 885 886# Disable libgo for some systems where it is known to not work. 887# For testing, you can easily override this with --enable-libgo. 888if test x$enable_libgo = x; then 889 case "${target}" in 890 *-*-darwin*) 891 # PR 46986 892 noconfigdirs="$noconfigdirs target-libgo" 893 ;; 894 *-*-cygwin* | *-*-mingw*) 895 noconfigdirs="$noconfigdirs target-libgo" 896 ;; 897 *-*-aix*) 898 noconfigdirs="$noconfigdirs target-libgo" 899 ;; 900 esac 901fi 902 903# Default libgloss CPU subdirectory. 904libgloss_dir="$target_cpu" 905 906case "${target}" in 907 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 908 libgloss_dir=wince 909 ;; 910 aarch64*-*-* ) 911 libgloss_dir=aarch64 912 ;; 913 arm*-*-*) 914 libgloss_dir=arm 915 ;; 916 cris-*-* | crisv32-*-*) 917 libgloss_dir=cris 918 ;; 919 hppa*-*-*) 920 libgloss_dir=pa 921 ;; 922 i[[3456789]]86-*-*) 923 libgloss_dir=i386 924 ;; 925 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 926 libgloss_dir=m68hc11 927 ;; 928 m68*-*-* | fido-*-*) 929 libgloss_dir=m68k 930 ;; 931 mips*-*-*) 932 libgloss_dir=mips 933 ;; 934 powerpc*-*-*) 935 libgloss_dir=rs6000 936 ;; 937 sparc*-*-*) 938 libgloss_dir=sparc 939 ;; 940esac 941 942# Disable newlib and libgloss for various target OSes. 943case "${target}" in 944 alpha*-dec-osf*) 945 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 946 ;; 947 i[[3456789]]86-*-linux*) 948 # This section makes it possible to build newlib natively on linux. 949 # If we are using a cross compiler then don't configure newlib. 950 if test x${is_cross_compiler} != xno ; then 951 noconfigdirs="$noconfigdirs target-newlib" 952 fi 953 noconfigdirs="$noconfigdirs target-libgloss" 954 # If we are not using a cross compiler, do configure newlib. 955 # Note however, that newlib will only be configured in this situation 956 # if the --with-newlib option has been given, because otherwise 957 # 'target-newlib' will appear in skipdirs. 958 ;; 959 i[[3456789]]86-*-rdos*) 960 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 961 ;; 962 sh*-*-pe|mips*-*-pe|arm-wince-pe) 963 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 964 ;; 965 sparc-*-sunos4*) 966 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 967 ;; 968 *-*-aix*) 969 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 970 ;; 971 *-*-beos*) 972 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 973 ;; 974 *-*-chorusos) 975 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 976 ;; 977 *-*-dragonfly*) 978 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 979 ;; 980 *-*-freebsd*) 981 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 982 ;; 983 *-*-haiku*) 984 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 985 ;; 986 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 987 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 988 ;; 989 *-*-lynxos*) 990 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 991 ;; 992 *-*-mingw*) 993 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 994 ;; 995 *-*-netbsd*) 996 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 997 ;; 998 *-*-netware*) 999 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1000 ;; 1001 *-*-tpf*) 1002 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1003 ;; 1004 *-*-uclinux*) 1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1006 ;; 1007 *-*-vxworks*) 1008 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1009 ;; 1010esac 1011 1012case "${target}" in 1013 *-*-chorusos) 1014 ;; 1015 powerpc-*-darwin*) 1016 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1017 noconfigdirs="$noconfigdirs sim target-rda" 1018 ;; 1019 i[[3456789]]86-*-darwin*) 1020 noconfigdirs="$noconfigdirs ld gprof" 1021 noconfigdirs="$noconfigdirs sim target-rda" 1022 ;; 1023 x86_64-*-darwin[[912]]*) 1024 noconfigdirs="$noconfigdirs ld gas gprof" 1025 noconfigdirs="$noconfigdirs sim target-rda" 1026 ;; 1027 *-*-darwin*) 1028 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1029 noconfigdirs="$noconfigdirs sim target-rda" 1030 ;; 1031 *-*-dragonfly*) 1032 ;; 1033 *-*-freebsd*) 1034 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1035 && test -f /usr/local/include/gmp.h; then 1036 with_gmp=/usr/local 1037 fi 1038 ;; 1039 *-*-haiku*) 1040 noconfigdirs="$noconfigdirs gdb target-libiberty" 1041 ;; 1042 *-*-kaos*) 1043 # Remove unsupported stuff on all kaOS configurations. 1044 noconfigdirs="$noconfigdirs target-libgloss" 1045 ;; 1046 *-*-netbsd*) 1047 ;; 1048 *-*-netware*) 1049 ;; 1050 *-*-rtems*) 1051 noconfigdirs="$noconfigdirs target-libgloss" 1052 # this is not caught below because this stanza matches earlier 1053 case $target in 1054 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1055 esac 1056 ;; 1057 # The tpf target doesn't support gdb yet. 1058 *-*-tpf*) 1059 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1060 ;; 1061 *-*-uclinux*) 1062 noconfigdirs="$noconfigdirs target-rda" 1063 ;; 1064 *-*-vxworks*) 1065 ;; 1066 alpha*-dec-osf*) 1067 # ld works, but does not support shared libraries. 1068 # gas doesn't generate exception information. 1069 noconfigdirs="$noconfigdirs gas ld" 1070 ;; 1071 alpha*-*-*vms*) 1072 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1073 ;; 1074 alpha*-*-*) 1075 # newlib is not 64 bit ready 1076 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1077 ;; 1078 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1079 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1080 ;; 1081 arc-*-*|arceb-*-*) 1082 noconfigdirs="$noconfigdirs target-libgloss" 1083 ;; 1084 arm-*-pe*) 1085 noconfigdirs="$noconfigdirs target-libgloss" 1086 ;; 1087 arm-*-riscix*) 1088 noconfigdirs="$noconfigdirs ld target-libgloss" 1089 ;; 1090 avr-*-rtems*) 1091 ;; 1092 avr-*-*) 1093 if test x${with_avrlibc} != xno; then 1094 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1095 fi 1096 ;; 1097 c4x-*-* | tic4x-*-*) 1098 noconfigdirs="$noconfigdirs target-libgloss" 1099 ;; 1100 tic54x-*-*) 1101 noconfigdirs="$noconfigdirs target-libgloss gdb" 1102 ;; 1103 d10v-*-*) 1104 noconfigdirs="$noconfigdirs target-libgloss" 1105 ;; 1106 d30v-*-*) 1107 noconfigdirs="$noconfigdirs gdb" 1108 ;; 1109 fr30-*-elf*) 1110 noconfigdirs="$noconfigdirs gdb" 1111 ;; 1112 moxie-*-*) 1113 noconfigdirs="$noconfigdirs gprof" 1114 ;; 1115 h8300*-*-*) 1116 noconfigdirs="$noconfigdirs target-libgloss" 1117 ;; 1118 h8500-*-*) 1119 noconfigdirs="$noconfigdirs target-libgloss" 1120 ;; 1121 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1122 ;; 1123 hppa*64*-*-linux*) 1124 ;; 1125 hppa*-*-linux*) 1126 ;; 1127 hppa*-*-*elf* | \ 1128 hppa*-*-lites* | \ 1129 hppa*-*-openbsd* | \ 1130 hppa*64*-*-*) 1131 ;; 1132 hppa*-hp-hpux11*) 1133 noconfigdirs="$noconfigdirs ld" 1134 ;; 1135 hppa*-*-pro*) 1136 ;; 1137 hppa*-*-*) 1138 noconfigdirs="$noconfigdirs ld" 1139 ;; 1140 i960-*-*) 1141 noconfigdirs="$noconfigdirs gdb" 1142 ;; 1143 ia64*-*-elf*) 1144 # No gdb support yet. 1145 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1146 ;; 1147 ia64*-**-hpux*) 1148 # No ld support yet. 1149 noconfigdirs="$noconfigdirs libgui itcl ld" 1150 ;; 1151 ia64*-*-*vms*) 1152 # No ld support yet. 1153 noconfigdirs="$noconfigdirs libgui itcl ld" 1154 ;; 1155 i[[3456789]]86-w64-mingw*) 1156 ;; 1157 i[[3456789]]86-*-mingw*) 1158 target_configdirs="$target_configdirs target-winsup" 1159 ;; 1160 *-*-cygwin*) 1161 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1162 noconfigdirs="$noconfigdirs target-libgloss" 1163 # always build newlib if winsup directory is present. 1164 if test -d "$srcdir/winsup/cygwin"; then 1165 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1166 elif test -d "$srcdir/newlib"; then 1167 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1168 fi 1169 ;; 1170 i[[3456789]]86-*-pe) 1171 noconfigdirs="$noconfigdirs target-libgloss" 1172 ;; 1173 i[[3456789]]86-*-sco3.2v5*) 1174 # The linker does not yet know about weak symbols in COFF, 1175 # and is not configured to handle mixed ELF and COFF. 1176 noconfigdirs="$noconfigdirs ld target-libgloss" 1177 ;; 1178 i[[3456789]]86-*-sco*) 1179 noconfigdirs="$noconfigdirs gprof target-libgloss" 1180 ;; 1181 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1182 noconfigdirs="$noconfigdirs target-libgloss" 1183 ;; 1184 i[[3456789]]86-*-sysv4*) 1185 noconfigdirs="$noconfigdirs target-libgloss" 1186 ;; 1187 i[[3456789]]86-*-beos*) 1188 noconfigdirs="$noconfigdirs gdb" 1189 ;; 1190 i[[3456789]]86-*-rdos*) 1191 noconfigdirs="$noconfigdirs gdb" 1192 ;; 1193 mmix-*-*) 1194 noconfigdirs="$noconfigdirs gdb" 1195 ;; 1196 mt-*-*) 1197 noconfigdirs="$noconfigdirs sim" 1198 ;; 1199 powerpc-*-aix*) 1200 # copied from rs6000-*-* entry 1201 noconfigdirs="$noconfigdirs gprof" 1202 ;; 1203 powerpc*-*-winnt* | powerpc*-*-pe*) 1204 target_configdirs="$target_configdirs target-winsup" 1205 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1206 # always build newlib. 1207 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1208 ;; 1209 # This is temporary until we can link against shared libraries 1210 powerpcle-*-solaris*) 1211 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1212 ;; 1213 powerpc-*-beos*) 1214 noconfigdirs="$noconfigdirs gdb" 1215 ;; 1216 rs6000-*-lynxos*) 1217 noconfigdirs="$noconfigdirs gprof" 1218 ;; 1219 rs6000-*-aix*) 1220 noconfigdirs="$noconfigdirs gprof" 1221 ;; 1222 rs6000-*-*) 1223 noconfigdirs="$noconfigdirs gprof" 1224 ;; 1225 m68k-apollo-*) 1226 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1227 ;; 1228 microblaze*) 1229 noconfigdirs="$noconfigdirs gprof" 1230 ;; 1231 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1232 if test x$with_newlib = xyes; then 1233 noconfigdirs="$noconfigdirs gprof" 1234 fi 1235 ;; 1236 mips*-*-irix5*) 1237 noconfigdirs="$noconfigdirs gprof target-libgloss" 1238 ;; 1239 mips*-*-irix6*) 1240 noconfigdirs="$noconfigdirs gprof target-libgloss" 1241 ;; 1242 mips*-*-bsd*) 1243 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1244 ;; 1245 mips*-*-linux*) 1246 ;; 1247 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1248 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1249 noconfigdirs="$noconfigdirs ld gas gprof" 1250 ;; 1251 mips*-*-*) 1252 noconfigdirs="$noconfigdirs gprof" 1253 ;; 1254 nds32*-*-*) 1255 noconfigdirs="$noconfigdirs gdb" 1256 ;; 1257 nvptx*-*-*) 1258 # nvptx is just a compiler 1259 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1260 ;; 1261 or1k*-*-*) 1262 noconfigdirs="$noconfigdirs gdb" 1263 ;; 1264 sh-*-* | sh64-*-*) 1265 case "${target}" in 1266 sh*-*-elf) 1267 ;; 1268 *) 1269 noconfigdirs="$noconfigdirs target-libgloss" ;; 1270 esac 1271 ;; 1272 sparc-*-sunos4*) 1273 if test x${is_cross_compiler} = xno ; then 1274 use_gnu_ld=no 1275 fi 1276 ;; 1277 tic6x-*-*) 1278 noconfigdirs="$noconfigdirs sim" 1279 ;; 1280 tilepro*-*-* | tilegx*-*-*) 1281 noconfigdirs="$noconfigdirs sim" 1282 ;; 1283 v810-*-*) 1284 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1285 ;; 1286 vax-*-*) 1287 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1288 ;; 1289esac 1290 1291# If we aren't building newlib, then don't build libgloss, since libgloss 1292# depends upon some newlib header files. 1293case "${noconfigdirs}" in 1294 *target-libgloss*) ;; 1295 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1296esac 1297 1298# Work in distributions that contain no compiler tools, like Autoconf. 1299host_makefile_frag=/dev/null 1300if test -d ${srcdir}/config ; then 1301case "${host}" in 1302 i[[3456789]]86-*-msdosdjgpp*) 1303 host_makefile_frag="config/mh-djgpp" 1304 ;; 1305 *-cygwin*) 1306 ACX_CHECK_CYGWIN_CAT_WORKS 1307 host_makefile_frag="config/mh-cygwin" 1308 ;; 1309 *-mingw*) 1310 host_makefile_frag="config/mh-mingw" 1311 ;; 1312 alpha*-linux*) 1313 host_makefile_frag="config/mh-alpha-linux" 1314 ;; 1315 hppa*-hp-hpux10*) 1316 host_makefile_frag="config/mh-pa-hpux10" 1317 ;; 1318 hppa*-hp-hpux*) 1319 host_makefile_frag="config/mh-pa" 1320 ;; 1321 hppa*-*) 1322 host_makefile_frag="config/mh-pa" 1323 ;; 1324 *-*-darwin*) 1325 host_makefile_frag="config/mh-darwin" 1326 ;; 1327 powerpc-*-aix*) 1328 host_makefile_frag="config/mh-ppc-aix" 1329 ;; 1330 rs6000-*-aix*) 1331 host_makefile_frag="config/mh-ppc-aix" 1332 ;; 1333esac 1334fi 1335 1336if test "${build}" != "${host}" ; then 1337 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1338 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1339 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1340 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1341 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1342 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1343 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1344 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1345 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1346 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1347 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1348 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1349 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1350else 1351 AR_FOR_BUILD="\$(AR)" 1352 AS_FOR_BUILD="\$(AS)" 1353 CC_FOR_BUILD="\$(CC)" 1354 CXX_FOR_BUILD="\$(CXX)" 1355 GCJ_FOR_BUILD="\$(GCJ)" 1356 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1357 GOC_FOR_BUILD="\$(GOC)" 1358 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1359 LD_FOR_BUILD="\$(LD)" 1360 NM_FOR_BUILD="\$(NM)" 1361 RANLIB_FOR_BUILD="\$(RANLIB)" 1362 WINDRES_FOR_BUILD="\$(WINDRES)" 1363 WINDMC_FOR_BUILD="\$(WINDMC)" 1364fi 1365 1366AC_PROG_CC 1367AC_PROG_CXX 1368 1369# We must set the default linker to the linker used by gcc for the correct 1370# operation of libtool. If LD is not defined and we are using gcc, try to 1371# set the LD default to the ld used by gcc. 1372if test -z "$LD"; then 1373 if test "$GCC" = yes; then 1374 case $build in 1375 *-*-mingw*) 1376 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1377 *) 1378 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1379 esac 1380 case $gcc_prog_ld in 1381 # Accept absolute paths. 1382 [[\\/]* | [A-Za-z]:[\\/]*)] 1383 LD="$gcc_prog_ld" ;; 1384 esac 1385 fi 1386fi 1387 1388# Check whether -static-libstdc++ -static-libgcc is supported. 1389have_static_libs=no 1390if test "$GCC" = yes; then 1391 saved_LDFLAGS="$LDFLAGS" 1392 1393 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1394 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1395 AC_LANG_PUSH(C++) 1396 AC_LINK_IFELSE([ 1397#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1398#error -static-libstdc++ not implemented 1399#endif 1400int main() {}], 1401 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1402 [AC_MSG_RESULT([no])]) 1403 AC_LANG_POP(C++) 1404 1405 LDFLAGS="$saved_LDFLAGS" 1406fi 1407 1408ACX_PROG_GNAT 1409ACX_PROG_CMP_IGNORE_INITIAL 1410 1411AC_ARG_ENABLE([bootstrap], 1412[AS_HELP_STRING([--enable-bootstrap], 1413 [enable bootstrapping @<:@yes if native build@:>@])],, 1414enable_bootstrap=default) 1415 1416# Issue errors and warnings for invalid/strange bootstrap combinations. 1417if test -r $srcdir/gcc/configure; then 1418 have_compiler=yes 1419else 1420 have_compiler=no 1421fi 1422 1423case "$have_compiler:$host:$target:$enable_bootstrap" in 1424 *:*:*:no) ;; 1425 1426 # Default behavior. Enable bootstrap if we have a compiler 1427 # and we are in a native configuration. 1428 yes:$build:$build:default) 1429 enable_bootstrap=yes ;; 1430 1431 *:*:*:default) 1432 enable_bootstrap=no ;; 1433 1434 # We have a compiler and we are in a native configuration, bootstrap is ok 1435 yes:$build:$build:yes) 1436 ;; 1437 1438 # Other configurations, but we have a compiler. Assume the user knows 1439 # what he's doing. 1440 yes:*:*:yes) 1441 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1442 ;; 1443 1444 # No compiler: if they passed --enable-bootstrap explicitly, fail 1445 no:*:*:yes) 1446 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1447 1448 # Fail if wrong command line 1449 *) 1450 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1451 ;; 1452esac 1453 1454# Used for setting $lt_cv_objdir 1455_LT_CHECK_OBJDIR 1456 1457# Check for GMP, MPFR and MPC 1458gmplibs="-lmpc -lmpfr -lgmp" 1459gmpinc= 1460have_gmp=no 1461 1462# Specify a location for mpc 1463# check for this first so it ends up on the link line before mpfr. 1464AC_ARG_WITH(mpc, 1465[AS_HELP_STRING([--with-mpc=PATH], 1466 [specify prefix directory for installed MPC package. 1467 Equivalent to --with-mpc-include=PATH/include 1468 plus --with-mpc-lib=PATH/lib])]) 1469AC_ARG_WITH(mpc-include, 1470[AS_HELP_STRING([--with-mpc-include=PATH], 1471 [specify directory for installed MPC include files])]) 1472AC_ARG_WITH(mpc-lib, 1473[AS_HELP_STRING([--with-mpc-lib=PATH], 1474 [specify directory for the installed MPC library])]) 1475 1476if test "x$with_mpc" != x; then 1477 gmplibs="-L$with_mpc/lib $gmplibs" 1478 gmpinc="-I$with_mpc/include $gmpinc" 1479fi 1480if test "x$with_mpc_include" != x; then 1481 gmpinc="-I$with_mpc_include $gmpinc" 1482fi 1483if test "x$with_mpc_lib" != x; then 1484 gmplibs="-L$with_mpc_lib $gmplibs" 1485fi 1486if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1487 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1488 gmpinc='-I$$s/mpc/src '"$gmpinc" 1489 # Do not test the mpc version. Assume that it is sufficient, since 1490 # it is in the source tree, and the library has not been built yet 1491 # but it would be included on the link line in the version check below 1492 # hence making the test fail. 1493 have_gmp=yes 1494fi 1495 1496# Specify a location for mpfr 1497# check for this first so it ends up on the link line before gmp. 1498AC_ARG_WITH(mpfr-dir, 1499[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1500[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1501Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1502 1503AC_ARG_WITH(mpfr, 1504[AS_HELP_STRING([--with-mpfr=PATH], 1505 [specify prefix directory for installed MPFR package. 1506 Equivalent to --with-mpfr-include=PATH/include 1507 plus --with-mpfr-lib=PATH/lib])]) 1508AC_ARG_WITH(mpfr-include, 1509[AS_HELP_STRING([--with-mpfr-include=PATH], 1510 [specify directory for installed MPFR include files])]) 1511AC_ARG_WITH(mpfr-lib, 1512[AS_HELP_STRING([--with-mpfr-lib=PATH], 1513 [specify directory for the installed MPFR library])]) 1514 1515if test "x$with_mpfr" != x; then 1516 gmplibs="-L$with_mpfr/lib $gmplibs" 1517 gmpinc="-I$with_mpfr/include $gmpinc" 1518fi 1519if test "x$with_mpfr_include" != x; then 1520 gmpinc="-I$with_mpfr_include $gmpinc" 1521fi 1522if test "x$with_mpfr_lib" != x; then 1523 gmplibs="-L$with_mpfr_lib $gmplibs" 1524fi 1525if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1526 # MPFR v3.1.0 moved the sources into a src sub-directory. 1527 if test -d ${srcdir}/mpfr/src; then 1528 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1529 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1530 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1531 else 1532 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1533 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1534 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1535 fi 1536 # Do not test the mpfr version. Assume that it is sufficient, since 1537 # it is in the source tree, and the library has not been built yet 1538 # but it would be included on the link line in the version check below 1539 # hence making the test fail. 1540 have_gmp=yes 1541fi 1542 1543# Specify a location for gmp 1544AC_ARG_WITH(gmp-dir, 1545[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1546[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1547Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1548 1549AC_ARG_WITH(gmp, 1550[AS_HELP_STRING([--with-gmp=PATH], 1551 [specify prefix directory for the installed GMP package. 1552 Equivalent to --with-gmp-include=PATH/include 1553 plus --with-gmp-lib=PATH/lib])]) 1554AC_ARG_WITH(gmp-include, 1555[AS_HELP_STRING([--with-gmp-include=PATH], 1556 [specify directory for installed GMP include files])]) 1557AC_ARG_WITH(gmp-lib, 1558[AS_HELP_STRING([--with-gmp-lib=PATH], 1559 [specify directory for the installed GMP library])]) 1560 1561 1562if test "x$with_gmp" != x; then 1563 gmplibs="-L$with_gmp/lib $gmplibs" 1564 gmpinc="-I$with_gmp/include $gmpinc" 1565fi 1566if test "x$with_gmp_include" != x; then 1567 gmpinc="-I$with_gmp_include $gmpinc" 1568fi 1569if test "x$with_gmp_lib" != x; then 1570 gmplibs="-L$with_gmp_lib $gmplibs" 1571fi 1572if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1573 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1574 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1575 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1576 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1577 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1578 # Do not test the gmp version. Assume that it is sufficient, since 1579 # it is in the source tree, and the library has not been built yet 1580 # but it would be included on the link line in the version check below 1581 # hence making the test fail. 1582 have_gmp=yes 1583fi 1584 1585if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1586 have_gmp=yes 1587 saved_CFLAGS="$CFLAGS" 1588 CFLAGS="$CFLAGS $gmpinc" 1589 # Check for the recommended and required versions of GMP. 1590 AC_MSG_CHECKING([for the correct version of gmp.h]) 1591 AC_TRY_COMPILE([#include "gmp.h"],[ 1592 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1593 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1594 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1595 choke me 1596 #endif 1597 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1598 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1599 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1600 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1601 choke me 1602 #endif 1603 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1604 [AC_MSG_RESULT([no]); have_gmp=no]) 1605 1606 # If we have GMP, check the MPFR version. 1607 if test x"$have_gmp" = xyes; then 1608 # Check for the recommended and required versions of MPFR. 1609 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1610 AC_TRY_COMPILE([#include <gmp.h> 1611 #include <mpfr.h>],[ 1612 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1613 choke me 1614 #endif 1615 ], [AC_TRY_COMPILE([#include <gmp.h> 1616 #include <mpfr.h>],[ 1617 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1618 choke me 1619 #endif 1620 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1621 [AC_MSG_RESULT([no]); have_gmp=no]) 1622 fi 1623 1624 # Check for the MPC header version. 1625 if test x"$have_gmp" = xyes ; then 1626 # Check for the recommended and required versions of MPC. 1627 AC_MSG_CHECKING([for the correct version of mpc.h]) 1628 AC_TRY_COMPILE([#include <mpc.h>],[ 1629 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1630 choke me 1631 #endif 1632 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1633 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1634 choke me 1635 #endif 1636 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1637 [AC_MSG_RESULT([no]); have_gmp=no]) 1638 fi 1639 1640 # Now check the MPFR library. 1641 if test x"$have_gmp" = xyes; then 1642 saved_LIBS="$LIBS" 1643 LIBS="$LIBS $gmplibs" 1644 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1645 AC_TRY_LINK([#include <mpc.h>],[ 1646 mpfr_t n; 1647 mpfr_t x; 1648 mpc_t c; 1649 int t; 1650 mpfr_init (n); 1651 mpfr_init (x); 1652 mpfr_atan2 (n, n, x, GMP_RNDN); 1653 mpfr_erfc (n, x, GMP_RNDN); 1654 mpfr_subnormalize (x, t, GMP_RNDN); 1655 mpfr_clear(n); 1656 mpfr_clear(x); 1657 mpc_init2 (c, 53); 1658 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1659 mpc_cosh (c, c, MPC_RNDNN); 1660 mpc_pow (c, c, c, MPC_RNDNN); 1661 mpc_acosh (c, c, MPC_RNDNN); 1662 mpc_clear (c); 1663 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1664 LIBS="$saved_LIBS" 1665 fi 1666 1667 CFLAGS="$saved_CFLAGS" 1668 1669# The library versions listed in the error message below should match 1670# the HARD-minimums enforced above. 1671 if test x$have_gmp != xyes; then 1672 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1673Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1674their locations. Source code for these libraries can be found at 1675their respective hosting sites as well as at 1676ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1677http://gcc.gnu.org/install/prerequisites.html for additional info. If 1678you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1679make sure that you have installed both the libraries and the header 1680files. They may be located in separate packages.]) 1681 fi 1682fi 1683 1684# Flags needed for both GMP, MPFR and/or MPC. 1685AC_SUBST(gmplibs) 1686AC_SUBST(gmpinc) 1687AC_SUBST(extra_mpfr_configure_flags) 1688AC_SUBST(extra_mpc_gmp_configure_flags) 1689AC_SUBST(extra_mpc_mpfr_configure_flags) 1690AC_SUBST(extra_isl_gmp_configure_flags) 1691 1692# Allow host libstdc++ to be specified for static linking with PPL. 1693AC_ARG_WITH(host-libstdcxx, 1694[AS_HELP_STRING([--with-host-libstdcxx=L], 1695 [use linker arguments L to link with libstdc++ 1696 when linking with PPL])]) 1697 1698case $with_host_libstdcxx in 1699 no|yes) 1700 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1701 ;; 1702esac 1703 1704# Libraries to use for stage1 or when not bootstrapping. 1705AC_ARG_WITH(stage1-libs, 1706[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1707[if test "$withval" = "no" -o "$withval" = "yes"; then 1708 stage1_libs= 1709 else 1710 stage1_libs=$withval 1711 fi], 1712[stage1_libs=$with_host_libstdcxx]) 1713AC_SUBST(stage1_libs) 1714 1715# Linker flags to use for stage1 or when not bootstrapping. 1716AC_ARG_WITH(stage1-ldflags, 1717[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1718[if test "$withval" = "no" -o "$withval" = "yes"; then 1719 stage1_ldflags= 1720 else 1721 stage1_ldflags=$withval 1722 fi], 1723[stage1_ldflags= 1724 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1725 # if supported. But if the user explicitly specified the libraries to use, 1726 # trust that they are doing what they want. 1727 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1728 stage1_ldflags="-static-libstdc++ -static-libgcc" 1729 fi]) 1730AC_SUBST(stage1_ldflags) 1731 1732# Libraries to use for stage2 and later builds. This defaults to the 1733# argument passed to --with-host-libstdcxx. 1734AC_ARG_WITH(boot-libs, 1735[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1736[if test "$withval" = "no" -o "$withval" = "yes"; then 1737 poststage1_libs= 1738 else 1739 poststage1_libs=$withval 1740 fi], 1741[poststage1_libs=$with_host_libstdcxx]) 1742AC_SUBST(poststage1_libs) 1743 1744# Linker flags to use for stage2 and later builds. 1745AC_ARG_WITH(boot-ldflags, 1746[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1747 [linker flags for stage2 and later])], 1748[if test "$withval" = "no" -o "$withval" = "yes"; then 1749 poststage1_ldflags= 1750 else 1751 poststage1_ldflags=$withval 1752 fi], 1753[poststage1_ldflags= 1754 # In stages 2 and 3, default to linking libstdc++ and libgcc 1755 # statically. But if the user explicitly specified the libraries to 1756 # use, trust that they are doing what they want. 1757 if test "$poststage1_libs" = ""; then 1758 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1759 fi]) 1760AC_SUBST(poststage1_ldflags) 1761 1762# GCC GRAPHITE dependency ISL. 1763# Basic setup is inlined here, actual checks are in config/isl.m4 1764 1765AC_ARG_WITH(isl, 1766 [AS_HELP_STRING( 1767 [--with-isl=PATH], 1768 [Specify prefix directory for the installed ISL package. 1769 Equivalent to --with-isl-include=PATH/include 1770 plus --with-isl-lib=PATH/lib])]) 1771 1772# Treat --without-isl as a request to disable 1773# GRAPHITE support and skip all following checks. 1774if test "x$with_isl" != "xno"; then 1775 # Check for ISL 1776 dnl Provide configure switches and initialize islinc & isllibs 1777 dnl with user input. 1778 ISL_INIT_FLAGS 1779 dnl The versions of ISL that work for Graphite 1780 ISL_CHECK_VERSION() 1781 dnl Only execute fail-action, if ISL has been requested. 1782 ISL_IF_FAILED([ 1783 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1784fi 1785 1786# If the ISL check failed, disable builds of in-tree variant of ISL 1787if test "x$with_isl" = xno || 1788 test "x$gcc_cv_isl" = xno; then 1789 noconfigdirs="$noconfigdirs isl" 1790 islinc= 1791fi 1792 1793AC_SUBST(isllibs) 1794AC_SUBST(islinc) 1795 1796# Check for LTO support. 1797AC_ARG_ENABLE(lto, 1798[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1799enable_lto=$enableval, 1800enable_lto=yes; default_enable_lto=yes) 1801 1802ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1803 build_lto_plugin=yes 1804],[if test x"$default_enable_lto" = x"yes" ; then 1805 case $target in 1806 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1807 # On other non-ELF platforms, LTO has yet to be validated. 1808 *) enable_lto=no ;; 1809 esac 1810 else 1811 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1812 # It would also be nice to check the binutils support, but we don't 1813 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1814 # warn during gcc/ subconfigure; unless you're bootstrapping with 1815 # -flto it won't be needed until after installation anyway. 1816 case $target in 1817 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1818 *) if test x"$enable_lto" = x"yes"; then 1819 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1820 fi 1821 ;; 1822 esac 1823 fi 1824 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1825 # Build it unless LTO was explicitly disabled. 1826 case $target in 1827 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1828 *) ;; 1829 esac 1830]) 1831 1832AC_ARG_ENABLE(linker-plugin-configure-flags, 1833 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1834 [additional flags for configuring linker plugins @<:@none@:>@])], 1835 extra_linker_plugin_configure_flags=$enableval, 1836 extra_linker_plugin_configure_flags=) 1837AC_SUBST(extra_linker_plugin_configure_flags) 1838AC_ARG_ENABLE(linker-plugin-flags, 1839 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1840 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1841 extra_linker_plugin_flags=$enableval, 1842 extra_linker_plugin_flags=) 1843AC_SUBST(extra_linker_plugin_flags) 1844 1845 1846# By default, C and C++ are the only stage 1 languages. 1847stage1_languages=,c, 1848 1849# Target libraries that we bootstrap. 1850bootstrap_target_libs=,target-libgcc, 1851 1852# Figure out what language subdirectories are present. 1853# Look if the user specified --enable-languages="..."; if not, use 1854# the environment variable $LANGUAGES if defined. $LANGUAGES might 1855# go away some day. 1856# NB: embedded tabs in this IF block -- do not untabify 1857if test -d ${srcdir}/gcc; then 1858 if test x"${enable_languages+set}" != xset; then 1859 if test x"${LANGUAGES+set}" = xset; then 1860 enable_languages="${LANGUAGES}" 1861 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1862 else 1863 enable_languages=all 1864 fi 1865 else 1866 if test x"${enable_languages}" = x || 1867 test x"${enable_languages}" = xyes; 1868 then 1869 echo configure.in: --enable-languages needs at least one language argument 1>&2 1870 exit 1 1871 fi 1872 fi 1873 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1874 1875 # 'f95' is the old name for the 'fortran' language. We issue a warning 1876 # and make the substitution. 1877 case ,${enable_languages}, in 1878 *,f95,*) 1879 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1880 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1881 ;; 1882 esac 1883 1884 # If bootstrapping, C++ must be enabled. 1885 case ",$enable_languages,:$enable_bootstrap" in 1886 *,c++,*:*) ;; 1887 *:yes) 1888 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1889 enable_languages="${enable_languages},c++" 1890 else 1891 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1892 fi 1893 ;; 1894 esac 1895 1896 # First scan to see if an enabled language requires some other language. 1897 # We assume that a given config-lang.in will list all the language 1898 # front ends it requires, even if some are required indirectly. 1899 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1900 case ${lang_frag} in 1901 ..) ;; 1902 # The odd quoting in the next line works around 1903 # an apparent bug in bash 1.12 on linux. 1904 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1905 *) 1906 # From the config-lang.in, get $language, $lang_requires, and 1907 # $lang_requires_boot_languages. 1908 language= 1909 lang_requires= 1910 lang_requires_boot_languages= 1911 . ${lang_frag} 1912 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1913 case ,${enable_languages}, in 1914 *,$other,*) ;; 1915 *,all,*) ;; 1916 *,$language,*) 1917 echo " \`$other' language required by \`$language'; enabling" 1>&2 1918 enable_languages="${enable_languages},${other}" 1919 ;; 1920 esac 1921 done 1922 for other in ${lang_requires_boot_languages} ; do 1923 if test "$other" != "c"; then 1924 case ,${enable_stage1_languages}, in 1925 *,$other,*) ;; 1926 *,all,*) ;; 1927 *) 1928 case ,${enable_languages}, in 1929 *,$language,*) 1930 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1931 enable_stage1_languages="$enable_stage1_languages,${other}" 1932 ;; 1933 esac 1934 ;; 1935 esac 1936 fi 1937 done 1938 ;; 1939 esac 1940 done 1941 1942 new_enable_languages=,c, 1943 1944 # If LTO is enabled, add the LTO front end. 1945 if test "$enable_lto" = "yes" ; then 1946 case ,${enable_languages}, in 1947 *,lto,*) ;; 1948 *) enable_languages="${enable_languages},lto" ;; 1949 esac 1950 if test "${build_lto_plugin}" = "yes" ; then 1951 configdirs="$configdirs lto-plugin" 1952 fi 1953 fi 1954 1955 # If we're building an offloading compiler, add the LTO front end. 1956 if test x"$enable_as_accelerator_for" != x ; then 1957 case ,${enable_languages}, in 1958 *,lto,*) ;; 1959 *) enable_languages="${enable_languages},lto" ;; 1960 esac 1961 fi 1962 1963 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1964 potential_languages=,c, 1965 1966 enabled_target_libs= 1967 disabled_target_libs= 1968 1969 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1970 case ${lang_frag} in 1971 ..) ;; 1972 # The odd quoting in the next line works around 1973 # an apparent bug in bash 1.12 on linux. 1974 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1975 *) 1976 # From the config-lang.in, get $language, $target_libs, 1977 # $lang_dirs, $boot_language, and $build_by_default 1978 language= 1979 target_libs= 1980 lang_dirs= 1981 subdir_requires= 1982 boot_language=no 1983 build_by_default=yes 1984 . ${lang_frag} 1985 if test x${language} = x; then 1986 echo "${lang_frag} doesn't set \$language." 1>&2 1987 exit 1 1988 fi 1989 1990 if test "$language" = "c++"; then 1991 boot_language=yes 1992 fi 1993 1994 add_this_lang=no 1995 case ,${enable_languages}, in 1996 *,${language},*) 1997 # Language was explicitly selected; include it 1998 # unless it is C, which is enabled by default. 1999 if test "$language" != "c"; then 2000 add_this_lang=yes 2001 fi 2002 ;; 2003 *,all,*) 2004 # 'all' was selected, select it if it is a default language 2005 if test "$language" != "c"; then 2006 add_this_lang=${build_by_default} 2007 fi 2008 ;; 2009 esac 2010 2011 # Disable languages that need other directories if these aren't available. 2012 for i in $subdir_requires; do 2013 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2014 case ,${enable_languages}, in 2015 *,${language},*) 2016 # Specifically requested language; tell them. 2017 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2018 ;; 2019 *) 2020 # Silently disable. 2021 add_this_lang=unsupported 2022 ;; 2023 esac 2024 done 2025 2026 # Disable Ada if no preexisting GNAT is available. 2027 case ,${enable_languages},:${language}:${have_gnat} in 2028 *,${language},*:ada:no) 2029 # Specifically requested language; tell them. 2030 AC_MSG_ERROR([GNAT is required to build $language]) 2031 ;; 2032 *:ada:no) 2033 # Silently disable. 2034 add_this_lang=unsupported 2035 ;; 2036 esac 2037 2038 # Disable a language that is unsupported by the target. 2039 case " $unsupported_languages " in 2040 *" $language "*) 2041 add_this_lang=unsupported 2042 ;; 2043 esac 2044 2045 case $add_this_lang in 2046 unsupported) 2047 # Remove language-dependent dirs. 2048 disabled_target_libs="$disabled_target_libs $target_libs" 2049 noconfigdirs="$noconfigdirs $lang_dirs" 2050 ;; 2051 no) 2052 # Remove language-dependent dirs; still show language as supported. 2053 disabled_target_libs="$disabled_target_libs $target_libs" 2054 noconfigdirs="$noconfigdirs $lang_dirs" 2055 potential_languages="${potential_languages}${language}," 2056 ;; 2057 yes) 2058 new_enable_languages="${new_enable_languages}${language}," 2059 potential_languages="${potential_languages}${language}," 2060 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2061 enabled_target_libs="$enabled_target_libs $target_libs" 2062 case "${boot_language}:,$enable_stage1_languages," in 2063 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2064 # Add to (comma-separated) list of stage 1 languages. 2065 case ",$stage1_languages," in 2066 *,$language,* | ,yes, | ,all,) ;; 2067 *) stage1_languages="${stage1_languages}${language}," ;; 2068 esac 2069 # We need to bootstrap any supporting libraries. 2070 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2071 ;; 2072 esac 2073 ;; 2074 esac 2075 ;; 2076 esac 2077 done 2078 2079 # Add target libraries which are only needed for disabled languages 2080 # to noconfigdirs. 2081 if test -n "$disabled_target_libs"; then 2082 for dir in $disabled_target_libs; do 2083 case " $enabled_target_libs " in 2084 *" ${dir} "*) ;; 2085 *) noconfigdirs="$noconfigdirs $dir" ;; 2086 esac 2087 done 2088 fi 2089 2090 AC_ARG_ENABLE(stage1-languages, 2091 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2092 [choose additional languages to build during 2093 stage1. Mostly useful for compiler development])], 2094 [case ,${enable_stage1_languages}, in 2095 ,no,|,,) 2096 # Set it to something that will have no effect in the loop below 2097 enable_stage1_languages=c ;; 2098 ,yes,) 2099 enable_stage1_languages=`echo $new_enable_languages | \ 2100 sed -e "s/^,//" -e "s/,$//" ` ;; 2101 *,all,*) 2102 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2103 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2104 esac 2105 2106 # Add "good" languages from enable_stage1_languages to stage1_languages, 2107 # while "bad" languages go in missing_languages. Leave no duplicates. 2108 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2109 case $potential_languages in 2110 *,$i,*) 2111 case $stage1_languages in 2112 *,$i,*) ;; 2113 *) stage1_languages="$stage1_languages$i," ;; 2114 esac ;; 2115 *) 2116 case $missing_languages in 2117 *,$i,*) ;; 2118 *) missing_languages="$missing_languages$i," ;; 2119 esac ;; 2120 esac 2121 done]) 2122 2123 # Remove leading/trailing commas that were added for simplicity 2124 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2125 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2126 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2127 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2128 2129 if test "x$missing_languages" != x; then 2130 AC_MSG_ERROR([ 2131The following requested languages could not be built: ${missing_languages} 2132Supported languages are: ${potential_languages}]) 2133 fi 2134 if test "x$new_enable_languages" != "x$enable_languages"; then 2135 echo The following languages will be built: ${new_enable_languages} 2136 enable_languages="$new_enable_languages" 2137 fi 2138 2139 AC_SUBST(stage1_languages) 2140 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2141fi 2142 2143# Handle --disable-<component> generically. 2144for dir in $configdirs $build_configdirs $target_configdirs ; do 2145 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2146 varname=`echo $dirname | sed -e s/+/_/g` 2147 if eval test x\${enable_${varname}} "=" xno ; then 2148 noconfigdirs="$noconfigdirs $dir" 2149 fi 2150done 2151 2152# Check for Boehm's garbage collector 2153AC_ARG_ENABLE(objc-gc, 2154[AS_HELP_STRING([--enable-objc-gc], 2155 [enable use of Boehm's garbage collector with the 2156 GNU Objective-C runtime])], 2157[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2158 *,objc,*:*:yes:*target-boehm-gc*) 2159 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2160 ;; 2161esac]) 2162 2163# Make sure we only build Boehm's garbage collector if required. 2164case ,${enable_languages},:${enable_objc_gc} in 2165 *,objc,*:yes) 2166 # Keep target-boehm-gc if requested for Objective-C. 2167 ;; 2168 *) 2169 # Otherwise remove target-boehm-gc depending on target-libjava. 2170 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2171 noconfigdirs="$noconfigdirs target-boehm-gc" 2172 fi 2173 ;; 2174esac 2175 2176# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2177case ,${enable_languages}, in 2178 *,c++,*) 2179 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2180 case "${noconfigdirs}" in 2181 *target-libstdc++-v3*) 2182 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2183 ;; 2184 *) ;; 2185 esac 2186 ;; 2187 *) 2188 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2189 ;; 2190esac 2191 2192# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2193# $build_configdirs and $target_configdirs. 2194# If we have the source for $noconfigdirs entries, add them to $notsupp. 2195 2196notsupp="" 2197for dir in . $skipdirs $noconfigdirs ; do 2198 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2199 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2200 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2201 if test -r $srcdir/$dirname/configure ; then 2202 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2203 true 2204 else 2205 notsupp="$notsupp $dir" 2206 fi 2207 fi 2208 fi 2209 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2210 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2211 if test -r $srcdir/$dirname/configure ; then 2212 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2213 true 2214 else 2215 notsupp="$notsupp $dir" 2216 fi 2217 fi 2218 fi 2219 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2220 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2221 if test -r $srcdir/$dirname/configure ; then 2222 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2223 true 2224 else 2225 notsupp="$notsupp $dir" 2226 fi 2227 fi 2228 fi 2229done 2230 2231# Quietly strip out all directories which aren't configurable in this tree. 2232# This relies on all configurable subdirectories being autoconfiscated, which 2233# is now the case. 2234build_configdirs_all="$build_configdirs" 2235build_configdirs= 2236for i in ${build_configdirs_all} ; do 2237 j=`echo $i | sed -e s/build-//g` 2238 if test -f ${srcdir}/$j/configure ; then 2239 build_configdirs="${build_configdirs} $i" 2240 fi 2241done 2242 2243configdirs_all="$configdirs" 2244configdirs= 2245for i in ${configdirs_all} ; do 2246 if test -f ${srcdir}/$i/configure ; then 2247 configdirs="${configdirs} $i" 2248 fi 2249done 2250 2251target_configdirs_all="$target_configdirs" 2252target_configdirs= 2253for i in ${target_configdirs_all} ; do 2254 j=`echo $i | sed -e s/target-//g` 2255 if test -f ${srcdir}/$j/configure ; then 2256 target_configdirs="${target_configdirs} $i" 2257 fi 2258done 2259 2260# libiberty-linker-plugin is special: it doesn't have its own source directory, 2261# so we have to add it after the preceding checks. 2262if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2263then 2264 case " $configdirs " in 2265 *" libiberty "*) 2266 # If we can build libiberty, we can also build libiberty-linker-plugin. 2267 configdirs="$configdirs libiberty-linker-plugin" 2268 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2269 --with-libiberty=../libiberty-linker-plugin";; 2270 *) 2271 AC_MSG_ERROR([libiberty missing]);; 2272 esac 2273fi 2274 2275# Sometimes we have special requirements for the host libiberty. 2276extra_host_libiberty_configure_flags= 2277case " $configdirs " in 2278 *" lto-plugin "* | *" libcc1 "*) 2279 # When these are to be built as shared libraries, the same applies to 2280 # libiberty. 2281 extra_host_libiberty_configure_flags=--enable-shared 2282 ;; 2283esac 2284AC_SUBST(extra_host_libiberty_configure_flags) 2285 2286# Produce a warning message for the subdirs we can't configure. 2287# This isn't especially interesting in the Cygnus tree, but in the individual 2288# FSF releases, it's important to let people know when their machine isn't 2289# supported by the one or two programs in a package. 2290 2291if test -n "${notsupp}" && test -z "${norecursion}" ; then 2292 # If $appdirs is non-empty, at least one of those directories must still 2293 # be configured, or we error out. (E.g., if the gas release supports a 2294 # specified target in some subdirs but not the gas subdir, we shouldn't 2295 # pretend that all is well.) 2296 if test -n "$appdirs" ; then 2297 for dir in $appdirs ; do 2298 if test -r $dir/Makefile.in ; then 2299 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2300 appdirs="" 2301 break 2302 fi 2303 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2304 appdirs="" 2305 break 2306 fi 2307 fi 2308 done 2309 if test -n "$appdirs" ; then 2310 echo "*** This configuration is not supported by this package." 1>&2 2311 exit 1 2312 fi 2313 fi 2314 # Okay, some application will build, or we don't care to check. Still 2315 # notify of subdirs not getting built. 2316 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2317 echo " ${notsupp}" 1>&2 2318 echo " (Any other directories should still work fine.)" 1>&2 2319fi 2320 2321case "$host" in 2322 *msdosdjgpp*) 2323 enable_gdbtk=no ;; 2324esac 2325 2326# To find our prefix, in gcc_cv_tool_prefix. 2327ACX_TOOL_DIRS 2328 2329copy_dirs= 2330 2331AC_ARG_WITH([build-sysroot], 2332 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2333 [use sysroot as the system root during the build])], 2334 [if test x"$withval" != x ; then 2335 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2336 fi], 2337 [SYSROOT_CFLAGS_FOR_TARGET=]) 2338AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2339 2340AC_ARG_WITH([debug-prefix-map], 2341 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2342 [map A to B, C to D ... in debug information])], 2343 [if test x"$withval" != x; then 2344 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2345 for debug_map in $withval; do 2346 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2347 done 2348 fi], 2349 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2350AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2351 2352# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2353# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2354# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2355# We want to ensure that TARGET libraries (which we know are built with 2356# gcc) are built with "-O2 -g", so include those options when setting 2357# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2358if test "x$CFLAGS_FOR_TARGET" = x; then 2359 if test "x${is_cross_compiler}" = xyes; then 2360 CFLAGS_FOR_TARGET="-g -O2" 2361 else 2362 CFLAGS_FOR_TARGET=$CFLAGS 2363 case " $CFLAGS " in 2364 *" -O2 "*) ;; 2365 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2366 esac 2367 case " $CFLAGS " in 2368 *" -g "* | *" -g3 "*) ;; 2369 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2370 esac 2371 fi 2372fi 2373AC_SUBST(CFLAGS_FOR_TARGET) 2374 2375if test "x$CXXFLAGS_FOR_TARGET" = x; then 2376 if test "x${is_cross_compiler}" = xyes; then 2377 CXXFLAGS_FOR_TARGET="-g -O2" 2378 else 2379 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2380 case " $CXXFLAGS " in 2381 *" -O2 "*) ;; 2382 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2383 esac 2384 case " $CXXFLAGS " in 2385 *" -g "* | *" -g3 "*) ;; 2386 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2387 esac 2388 fi 2389fi 2390AC_SUBST(CXXFLAGS_FOR_TARGET) 2391 2392AC_SUBST(LDFLAGS_FOR_TARGET) 2393 2394# Handle --with-headers=XXX. If the value is not "yes", the contents of 2395# the named directory are copied to $(tooldir)/sys-include. 2396if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2397 if test x${is_cross_compiler} = xno ; then 2398 echo 1>&2 '***' --with-headers is only supported when cross compiling 2399 exit 1 2400 fi 2401 if test x"${with_headers}" != xyes ; then 2402 x=${gcc_cv_tool_prefix} 2403 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2404 fi 2405fi 2406 2407# Handle --with-libs=XXX. If the value is not "yes", the contents of 2408# the name directories are copied to $(tooldir)/lib. Multiple directories 2409# are permitted. 2410if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2411 if test x${is_cross_compiler} = xno ; then 2412 echo 1>&2 '***' --with-libs is only supported when cross compiling 2413 exit 1 2414 fi 2415 if test x"${with_libs}" != xyes ; then 2416 # Copy the libraries in reverse order, so that files in the first named 2417 # library override files in subsequent libraries. 2418 x=${gcc_cv_tool_prefix} 2419 for l in ${with_libs}; do 2420 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2421 done 2422 fi 2423fi 2424 2425# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2426# 2427# This is done by determining whether or not the appropriate directory 2428# is available, and by checking whether or not specific configurations 2429# have requested that this magic not happen. 2430# 2431# The command line options always override the explicit settings in 2432# configure.in, and the settings in configure.in override this magic. 2433# 2434# If the default for a toolchain is to use GNU as and ld, and you don't 2435# want to do that, then you should use the --without-gnu-as and 2436# --without-gnu-ld options for the configure script. Similarly, if 2437# the default is to use the included zlib and you don't want to do that, 2438# you should use the --with-system-zlib option for the configure script. 2439 2440if test x${use_gnu_as} = x && 2441 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2442 with_gnu_as=yes 2443 extra_host_args="$extra_host_args --with-gnu-as" 2444fi 2445 2446if test x${use_gnu_ld} = x && 2447 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2448 with_gnu_ld=yes 2449 extra_host_args="$extra_host_args --with-gnu-ld" 2450fi 2451 2452if test x${use_included_zlib} = x && 2453 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2454 : 2455else 2456 with_system_zlib=yes 2457 extra_host_args="$extra_host_args --with-system-zlib" 2458fi 2459 2460# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2461# can detect this case. 2462 2463if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2464 with_newlib=yes 2465 extra_host_args="$extra_host_args --with-newlib" 2466fi 2467 2468# Handle ${copy_dirs} 2469set fnord ${copy_dirs} 2470shift 2471while test $# != 0 ; do 2472 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2473 : 2474 else 2475 echo Copying $1 to $2 2476 2477 # Use the install script to create the directory and all required 2478 # parent directories. 2479 if test -d $2 ; then 2480 : 2481 else 2482 echo >config.temp 2483 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2484 fi 2485 2486 # Copy the directory, assuming we have tar. 2487 # FIXME: Should we use B in the second tar? Not all systems support it. 2488 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2489 2490 # It is the responsibility of the user to correctly adjust all 2491 # symlinks. If somebody can figure out how to handle them correctly 2492 # here, feel free to add the code. 2493 2494 echo $1 > $2/COPIED 2495 fi 2496 shift; shift 2497done 2498 2499# Determine a target-dependent exec_prefix that the installed 2500# gcc will search in. Keep this list sorted by triplet, with 2501# the *-*-osname triplets last. 2502md_exec_prefix= 2503case "${target}" in 2504 i[[34567]]86-pc-msdosdjgpp*) 2505 md_exec_prefix=/dev/env/DJDIR/bin 2506 ;; 2507 *-*-hpux* | \ 2508 *-*-nto-qnx* | \ 2509 *-*-solaris2*) 2510 md_exec_prefix=/usr/ccs/bin 2511 ;; 2512esac 2513 2514extra_arflags_for_target= 2515extra_nmflags_for_target= 2516extra_ranlibflags_for_target= 2517target_makefile_frag=/dev/null 2518case "${target}" in 2519 spu-*-*) 2520 target_makefile_frag="config/mt-spu" 2521 ;; 2522 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2523 target_makefile_frag="config/mt-sde" 2524 ;; 2525 mipsisa*-*-elfoabi*) 2526 target_makefile_frag="config/mt-mips-elfoabi" 2527 ;; 2528 mips*-*-*linux* | mips*-*-gnu*) 2529 target_makefile_frag="config/mt-mips-gnu" 2530 ;; 2531 nios2-*-elf*) 2532 target_makefile_frag="config/mt-nios2-elf" 2533 ;; 2534 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2535 target_makefile_frag="config/mt-gnu" 2536 ;; 2537 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2538 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2539 # commands to handle both 32-bit and 64-bit objects. These flags are 2540 # harmless if we're using GNU nm or ar. 2541 extra_arflags_for_target=" -X32_64" 2542 extra_nmflags_for_target=" -B -X32_64" 2543 ;; 2544esac 2545 2546alphaieee_frag=/dev/null 2547case $target in 2548 alpha*-*-*) 2549 # This just makes sure to use the -mieee option to build target libs. 2550 # This should probably be set individually by each library. 2551 alphaieee_frag="config/mt-alphaieee" 2552 ;; 2553esac 2554 2555# If --enable-target-optspace always use -Os instead of -O2 to build 2556# the target libraries, similarly if it is not specified, use -Os 2557# on selected platforms. 2558ospace_frag=/dev/null 2559case "${enable_target_optspace}:${target}" in 2560 yes:*) 2561 ospace_frag="config/mt-ospace" 2562 ;; 2563 :d30v-*) 2564 ospace_frag="config/mt-d30v" 2565 ;; 2566 :m32r-* | :d10v-* | :fr30-*) 2567 ospace_frag="config/mt-ospace" 2568 ;; 2569 no:* | :*) 2570 ;; 2571 *) 2572 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2573 ;; 2574esac 2575 2576# Some systems (e.g., one of the i386-aix systems the gas testers are 2577# using) don't handle "\$" correctly, so don't use it here. 2578tooldir='${exec_prefix}'/${target_noncanonical} 2579build_tooldir=${tooldir} 2580 2581# Create a .gdbinit file which runs the one in srcdir 2582# and tells GDB to look there for source files. 2583 2584if test -r ${srcdir}/.gdbinit ; then 2585 case ${srcdir} in 2586 .) ;; 2587 *) cat > ./.gdbinit <<EOF 2588# ${NO_EDIT} 2589dir ${srcdir} 2590dir . 2591source ${srcdir}/.gdbinit 2592EOF 2593 ;; 2594 esac 2595fi 2596 2597# Make sure that the compiler is able to generate an executable. If it 2598# can't, we are probably in trouble. We don't care whether we can run the 2599# executable--we might be using a cross compiler--we only care whether it 2600# can be created. At this point the main configure script has set CC. 2601we_are_ok=no 2602echo "int main () { return 0; }" > conftest.c 2603${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2604if test $? = 0 ; then 2605 if test -s conftest || test -s conftest.exe ; then 2606 we_are_ok=yes 2607 fi 2608fi 2609case $we_are_ok in 2610 no) 2611 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2612 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2613 rm -f conftest* 2614 exit 1 2615 ;; 2616esac 2617rm -f conftest* 2618 2619# Decide which environment variable is used to find dynamic libraries. 2620case "${host}" in 2621 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2622 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2623 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2624 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2625esac 2626 2627# On systems where the dynamic library environment variable is PATH, 2628# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2629# built executables to PATH. 2630if test "$RPATH_ENVVAR" = PATH; then 2631 GCC_SHLIB_SUBDIR=/shlib 2632else 2633 GCC_SHLIB_SUBDIR= 2634fi 2635 2636# Adjust the toplevel makefile according to whether bootstrap was selected. 2637case $enable_bootstrap in 2638 yes) 2639 bootstrap_suffix=bootstrap 2640 BUILD_CONFIG=bootstrap-debug 2641 ;; 2642 no) 2643 bootstrap_suffix=no-bootstrap 2644 BUILD_CONFIG= 2645 ;; 2646esac 2647 2648AC_MSG_CHECKING(for default BUILD_CONFIG) 2649 2650AC_ARG_WITH([build-config], 2651 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2652 [use config/NAME.mk build configuration])], 2653 [case $with_build_config in 2654 yes) with_build_config= ;; 2655 no) with_build_config= BUILD_CONFIG= ;; 2656 esac]) 2657 2658if test "x${with_build_config}" != x; then 2659 BUILD_CONFIG=$with_build_config 2660else 2661 case $BUILD_CONFIG in 2662 bootstrap-debug) 2663 if echo "int f (void) { return 0; }" > conftest.c && 2664 ${CC} -c conftest.c && 2665 mv conftest.o conftest.o.g0 && 2666 ${CC} -c -g conftest.c && 2667 mv conftest.o conftest.o.g && 2668 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2669 : 2670 else 2671 BUILD_CONFIG= 2672 fi 2673 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2674 ;; 2675 esac 2676fi 2677AC_MSG_RESULT($BUILD_CONFIG) 2678AC_SUBST(BUILD_CONFIG) 2679 2680# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2681AC_MSG_CHECKING([for --enable-vtable-verify]) 2682AC_ARG_ENABLE(vtable-verify, 2683[ --enable-vtable-verify Enable vtable verification feature ], 2684[case "$enableval" in 2685 yes) enable_vtable_verify=yes ;; 2686 no) enable_vtable_verify=no ;; 2687 *) enable_vtable_verify=no;; 2688 esac], 2689[enable_vtable_verify=no]) 2690AC_MSG_RESULT($enable_vtable_verify) 2691 2692# Record target_configdirs and the configure arguments for target and 2693# build configuration in Makefile. 2694target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2695build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2696bootstrap_fixincludes=no 2697 2698# If we are building libgomp, bootstrap it. 2699if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2700 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2701fi 2702 2703# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2704# or bootstrap-ubsan, bootstrap it. 2705if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2706 case "$BUILD_CONFIG" in 2707 *bootstrap-asan* | *bootstrap-ubsan* ) 2708 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2709 bootstrap_fixincludes=yes 2710 ;; 2711 esac 2712fi 2713 2714# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2715if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2716 test "$enable_vtable_verify" != no; then 2717 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2718fi 2719 2720# If we are building libmpx, bootstrap it. 2721if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2722 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2723fi 2724 2725# Determine whether gdb needs tk/tcl or not. 2726# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2727# and in that case we want gdb to be built without tk. Ugh! 2728# In fact I believe gdb is the *only* package directly dependent on tk, 2729# so we should be able to put the 'maybe's in unconditionally and 2730# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2731# 100% sure that that's safe though. 2732 2733gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2734case "$enable_gdbtk" in 2735 no) 2736 GDB_TK="" ;; 2737 yes) 2738 GDB_TK="${gdb_tk}" ;; 2739 *) 2740 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2741 # distro. Eventually someone will fix this and move Insight, nee 2742 # gdbtk to a separate directory. 2743 if test -d ${srcdir}/gdb/gdbtk ; then 2744 GDB_TK="${gdb_tk}" 2745 else 2746 GDB_TK="" 2747 fi 2748 ;; 2749esac 2750CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2751INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2752 2753# Strip out unwanted targets. 2754 2755# While at that, we remove Makefiles if we were started for recursive 2756# configuration, so that the top-level Makefile reconfigures them, 2757# like we used to do when configure itself was recursive. 2758 2759# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2760# but now we're fixing up the Makefile ourselves with the additional 2761# commands passed to AC_CONFIG_FILES. Use separate variables 2762# extrasub-{build,host,target} not because there is any reason to split 2763# the substitutions up that way, but only to remain below the limit of 2764# 99 commands in a script, for HP-UX sed. 2765# Do not nest @if/@endif pairs, because configure will not warn you at all. 2766 2767case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2768 yes:yes:*\ gold\ *:*,c++,*) ;; 2769 yes:yes:*\ gold\ *:*) 2770 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2771 ;; 2772esac 2773 2774extrasub_build= 2775for module in ${build_configdirs} ; do 2776 if test -z "${no_recursion}" \ 2777 && test -f ${build_subdir}/${module}/Makefile; then 2778 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2779 rm -f ${build_subdir}/${module}/Makefile 2780 fi 2781 extrasub_build="$extrasub_build 2782/^@if build-$module\$/d 2783/^@endif build-$module\$/d 2784/^@if build-$module-$bootstrap_suffix\$/d 2785/^@endif build-$module-$bootstrap_suffix\$/d" 2786done 2787extrasub_host= 2788for module in ${configdirs} ; do 2789 if test -z "${no_recursion}"; then 2790 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2791 if test -f ${file}; then 2792 echo 1>&2 "*** removing ${file} to force reconfigure" 2793 rm -f ${file} 2794 fi 2795 done 2796 fi 2797 case ${module},${bootstrap_fixincludes} in 2798 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2799 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2800 esac 2801 extrasub_host="$extrasub_host 2802/^@if $module\$/d 2803/^@endif $module\$/d 2804/^@if $module-$host_bootstrap_suffix\$/d 2805/^@endif $module-$host_bootstrap_suffix\$/d" 2806done 2807extrasub_target= 2808for module in ${target_configdirs} ; do 2809 if test -z "${no_recursion}" \ 2810 && test -f ${target_subdir}/${module}/Makefile; then 2811 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2812 rm -f ${target_subdir}/${module}/Makefile 2813 fi 2814 2815 # We only bootstrap target libraries listed in bootstrap_target_libs. 2816 case $bootstrap_target_libs in 2817 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2818 *) target_bootstrap_suffix=no-bootstrap ;; 2819 esac 2820 2821 extrasub_target="$extrasub_target 2822/^@if target-$module\$/d 2823/^@endif target-$module\$/d 2824/^@if target-$module-$target_bootstrap_suffix\$/d 2825/^@endif target-$module-$target_bootstrap_suffix\$/d" 2826done 2827 2828# Do the final fixup along with target modules. 2829extrasub_target="$extrasub_target 2830/^@if /,/^@endif /d" 2831 2832# Create the serialization dependencies. This uses a temporary file. 2833 2834AC_ARG_ENABLE([serial-configure], 2835[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2836 [force sequential configuration of 2837 sub-packages for the host, target or build 2838 machine, or all sub-packages])]) 2839 2840case ${enable_serial_configure} in 2841 yes) 2842 enable_serial_build_configure=yes 2843 enable_serial_host_configure=yes 2844 enable_serial_target_configure=yes 2845 ;; 2846esac 2847 2848# These force 'configure's to be done one at a time, to avoid problems 2849# with contention over a shared config.cache. 2850rm -f serdep.tmp 2851echo '# serdep.tmp' > serdep.tmp 2852olditem= 2853test "x${enable_serial_build_configure}" = xyes && 2854for item in ${build_configdirs} ; do 2855 case ${olditem} in 2856 "") ;; 2857 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2858 esac 2859 olditem=${item} 2860done 2861olditem= 2862test "x${enable_serial_host_configure}" = xyes && 2863for item in ${configdirs} ; do 2864 case ${olditem} in 2865 "") ;; 2866 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2867 esac 2868 olditem=${item} 2869done 2870olditem= 2871test "x${enable_serial_target_configure}" = xyes && 2872for item in ${target_configdirs} ; do 2873 case ${olditem} in 2874 "") ;; 2875 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2876 esac 2877 olditem=${item} 2878done 2879serialization_dependencies=serdep.tmp 2880AC_SUBST_FILE(serialization_dependencies) 2881 2882# Base args. Strip norecursion, cache-file, srcdir, host, build, 2883# target, nonopt, and variable assignments. These are the ones we 2884# might not want to pass down to subconfigures. The exception being 2885# --cache-file=/dev/null, which is used to turn off the use of cache 2886# files altogether, and which should be passed on to subconfigures. 2887# Also strip program-prefix, program-suffix, and program-transform-name, 2888# so that we can pass down a consistent program-transform-name. 2889baseargs= 2890tbaseargs= 2891keep_next=no 2892skip_next=no 2893eval "set -- $ac_configure_args" 2894for ac_arg 2895do 2896 if test X"$skip_next" = X"yes"; then 2897 skip_next=no 2898 continue 2899 fi 2900 if test X"$keep_next" = X"yes"; then 2901 case $ac_arg in 2902 *\'*) 2903 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2904 esac 2905 baseargs="$baseargs '$ac_arg'" 2906 tbaseargs="$tbaseargs '$ac_arg'" 2907 keep_next=no 2908 continue 2909 fi 2910 2911 # Handle separated arguments. Based on the logic generated by 2912 # autoconf 2.59. 2913 case $ac_arg in 2914 *=* | --config-cache | -C | -disable-* | --disable-* \ 2915 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2916 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2917 | -with-* | --with-* | -without-* | --without-* | --x) 2918 separate_arg=no 2919 ;; 2920 -*) 2921 separate_arg=yes 2922 ;; 2923 *) 2924 separate_arg=no 2925 ;; 2926 esac 2927 2928 skip_targ=no 2929 case $ac_arg in 2930changequote(,) 2931 --with-* | --without-*) 2932 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2933 2934 case $libopt in 2935 *[-_]include) 2936 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2937 ;; 2938 *[-_]lib) 2939 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2940 ;; 2941 *) 2942 lib=$libopt 2943 ;; 2944 esac 2945changequote([,]) 2946 2947 case $lib in 2948 mpc | mpfr | gmp | isl) 2949 # If we're processing --with-$lib, --with-$lib-include or 2950 # --with-$lib-lib, for one of the libs above, and target is 2951 # different from host, don't pass the current argument to any 2952 # target library's configure. 2953 if test x$is_cross_compiler = xyes; then 2954 skip_targ=yes 2955 fi 2956 ;; 2957 esac 2958 ;; 2959 esac 2960 2961 case "$ac_arg" in 2962 --cache-file=/dev/null | \ 2963 -cache-file=/dev/null ) 2964 # Handled here to avoid the test to skip args below. 2965 baseargs="$baseargs '$ac_arg'" 2966 tbaseargs="$tbaseargs '$ac_arg'" 2967 # Assert: $separate_arg should always be no. 2968 keep_next=$separate_arg 2969 ;; 2970 --no*) 2971 continue 2972 ;; 2973 --c* | \ 2974 --sr* | \ 2975 --ho* | \ 2976 --bu* | \ 2977 --t* | \ 2978 --program-* | \ 2979 -cache_file* | \ 2980 -srcdir* | \ 2981 -host* | \ 2982 -build* | \ 2983 -target* | \ 2984 -program-prefix* | \ 2985 -program-suffix* | \ 2986 -program-transform-name* ) 2987 skip_next=$separate_arg 2988 continue 2989 ;; 2990 -*) 2991 # An option. Add it. 2992 case $ac_arg in 2993 *\'*) 2994 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2995 esac 2996 baseargs="$baseargs '$ac_arg'" 2997 if test X"$skip_targ" = Xno; then 2998 tbaseargs="$tbaseargs '$ac_arg'" 2999 fi 3000 keep_next=$separate_arg 3001 ;; 3002 *) 3003 # Either a variable assignment, or a nonopt (triplet). Don't 3004 # pass it down; let the Makefile handle this. 3005 continue 3006 ;; 3007 esac 3008done 3009# Remove the initial space we just introduced and, as these will be 3010# expanded by make, quote '$'. 3011baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3012 3013# Add in --program-transform-name, after --program-prefix and 3014# --program-suffix have been applied to it. Autoconf has already 3015# doubled dollar signs and backslashes in program_transform_name; we want 3016# the backslashes un-doubled, and then the entire thing wrapped in single 3017# quotes, because this will be expanded first by make and then by the shell. 3018# Also, because we want to override the logic in subdir configure scripts to 3019# choose program_transform_name, replace any s,x,x, with s,y,y,. 3020sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3021${program_transform_name} 3022EOF_SED 3023gcc_transform_name=`cat conftestsed.out` 3024rm -f conftestsed.out 3025baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3026tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3027if test "$silent" = yes; then 3028 baseargs="$baseargs --silent" 3029 tbaseargs="$tbaseargs --silent" 3030fi 3031baseargs="$baseargs --disable-option-checking" 3032tbaseargs="$tbaseargs --disable-option-checking" 3033 3034# Record and document user additions to sub configure arguments. 3035AC_ARG_VAR([build_configargs], 3036 [additional configure arguments for build directories]) 3037AC_ARG_VAR([host_configargs], 3038 [additional configure arguments for host directories]) 3039AC_ARG_VAR([target_configargs], 3040 [additional configure arguments for target directories]) 3041 3042# For the build-side libraries, we just need to pretend we're native, 3043# and not use the same cache file. Multilibs are neither needed nor 3044# desired. We can't even use the same cache file for all build-side 3045# libraries, as they're compiled differently; some with C, some with 3046# C++ or with different feature-enabling options. 3047build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3048 3049# For host modules, accept cache file option, or specification as blank. 3050case "${cache_file}" in 3051"") # empty 3052 cache_file_option="" ;; 3053/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3054 cache_file_option="--cache-file=${cache_file}" ;; 3055*) # relative path 3056 cache_file_option="--cache-file=../${cache_file}" ;; 3057esac 3058 3059# Host dirs don't like to share a cache file either, horribly enough. 3060# This seems to be due to autoconf 2.5x stupidity. 3061host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3062 3063target_configargs="$target_configargs ${tbaseargs}" 3064 3065# Passing a --with-cross-host argument lets the target libraries know 3066# whether they are being built with a cross-compiler or being built 3067# native. However, it would be better to use other mechanisms to make the 3068# sorts of decisions they want to make on this basis. Please consider 3069# this option to be deprecated. FIXME. 3070if test x${is_cross_compiler} = xyes ; then 3071 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3072fi 3073 3074# Special user-friendly check for native x86_64-linux build, if 3075# multilib is not explicitly enabled. 3076case "$target:$have_compiler:$host:$target:$enable_multilib" in 3077 x86_64-*linux*:yes:$build:$build:) 3078 # Make sure we have a developement environment that handles 32-bit 3079 dev64=no 3080 echo "int main () { return 0; }" > conftest.c 3081 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3082 if test $? = 0 ; then 3083 if test -s conftest || test -s conftest.exe ; then 3084 dev64=yes 3085 fi 3086 fi 3087 rm -f conftest* 3088 if test x${dev64} != xyes ; then 3089 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.]) 3090 fi 3091 ;; 3092esac 3093 3094# Default to --enable-multilib. 3095if test x${enable_multilib} = x ; then 3096 target_configargs="--enable-multilib ${target_configargs}" 3097fi 3098 3099# Pass --with-newlib if appropriate. Note that target_configdirs has 3100# changed from the earlier setting of with_newlib. 3101if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3102 target_configargs="--with-newlib ${target_configargs}" 3103fi 3104 3105# Different target subdirs use different values of certain variables 3106# (notably CXX). Worse, multilibs use *lots* of different values. 3107# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3108# it doesn't automatically accept command-line overrides of them. 3109# This means it's not safe for target subdirs to share a cache file, 3110# which is disgusting, but there you have it. Hopefully this can be 3111# fixed in future. It's still worthwhile to use a cache file for each 3112# directory. I think. 3113 3114# Pass the appropriate --build, --host, --target and --cache-file arguments. 3115# We need to pass --target, as newer autoconf's requires consistency 3116# for target_alias and gcc doesn't manage it consistently. 3117target_configargs="--cache-file=./config.cache ${target_configargs}" 3118 3119FLAGS_FOR_TARGET= 3120case " $target_configdirs " in 3121 *" newlib "*) 3122 case " $target_configargs " in 3123 *" --with-newlib "*) 3124 case "$target" in 3125 *-cygwin*) 3126 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3127 ;; 3128 esac 3129 3130 # If we're not building GCC, don't discard standard headers. 3131 if test -d ${srcdir}/gcc; then 3132 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3133 3134 if test "${build}" != "${host}"; then 3135 # On Canadian crosses, CC_FOR_TARGET will have already been set 3136 # by `configure', so we won't have an opportunity to add -Bgcc/ 3137 # to it. This is right: we don't want to search that directory 3138 # for binaries, but we want the header files in there, so add 3139 # them explicitly. 3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3141 3142 # Someone might think of using the pre-installed headers on 3143 # Canadian crosses, in case the installed compiler is not fully 3144 # compatible with the compiler being built. In this case, it 3145 # would be better to flag an error than risking having 3146 # incompatible object files being constructed. We can't 3147 # guarantee that an error will be flagged, but let's hope the 3148 # compiler will do it, when presented with incompatible header 3149 # files. 3150 fi 3151 fi 3152 3153 case "${target}-${is_cross_compiler}" in 3154 i[[3456789]]86-*-linux*-no) 3155 # Here host == target, so we don't need to build gcc, 3156 # so we don't want to discard standard headers. 3157 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3158 ;; 3159 *) 3160 # If we're building newlib, use its generic headers last, but search 3161 # for any libc-related directories first (so make it the last -B 3162 # switch). 3163 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3164 3165 # If we're building libgloss, find the startup file, simulator library 3166 # and linker script. 3167 case " $target_configdirs " in 3168 *" libgloss "*) 3169 # Look for startup file, simulator library and maybe linker script. 3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3171 # Look for libnosys.a in case the target needs it. 3172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3173 # Most targets have the linker script in the source directory. 3174 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3175 ;; 3176 esac 3177 ;; 3178 esac 3179 ;; 3180 esac 3181 ;; 3182esac 3183 3184case "$target" in 3185 x86_64-*mingw* | *-w64-mingw*) 3186 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3187 # however, use a symlink named 'mingw' in ${prefix} . 3188 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3189 ;; 3190 *-mingw*) 3191 # MinGW can't be handled as Cygwin above since it does not use newlib. 3192 FLAGS_FOR_TARGET=$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' 3193 ;; 3194esac 3195 3196# Allow the user to override the flags for 3197# our build compiler if desired. 3198if test x"${build}" = x"${host}" ; then 3199 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3200 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3201 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3202fi 3203 3204# On Canadian crosses, we'll be searching the right directories for 3205# the previously-installed cross compiler, so don't bother to add 3206# flags for directories within the install tree of the compiler 3207# being built; programs in there won't even run. 3208if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3209 # Search for pre-installed headers if nothing else fits. 3210 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3211fi 3212 3213if test "x${use_gnu_ld}" = x && 3214 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3215 # Arrange for us to find uninstalled linker scripts. 3216 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3217fi 3218 3219# Search for other target-specific linker scripts and such. 3220case "${target}" in 3221 mep*) 3222 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3223 ;; 3224esac 3225 3226# Makefile fragments. 3227for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3228do 3229 eval fragval=\$$frag 3230 if test $fragval != /dev/null; then 3231 eval $frag=${srcdir}/$fragval 3232 fi 3233done 3234AC_SUBST_FILE(host_makefile_frag) 3235AC_SUBST_FILE(target_makefile_frag) 3236AC_SUBST_FILE(alphaieee_frag) 3237AC_SUBST_FILE(ospace_frag) 3238 3239# Miscellanea: directories, flags, etc. 3240AC_SUBST(RPATH_ENVVAR) 3241AC_SUBST(GCC_SHLIB_SUBDIR) 3242AC_SUBST(tooldir) 3243AC_SUBST(build_tooldir) 3244AC_SUBST(CONFIGURE_GDB_TK) 3245AC_SUBST(GDB_TK) 3246AC_SUBST(INSTALL_GDB_TK) 3247 3248# Build module lists & subconfigure args. 3249AC_SUBST(build_configargs) 3250AC_SUBST(build_configdirs) 3251 3252# Host module lists & subconfigure args. 3253AC_SUBST(host_configargs) 3254AC_SUBST(configdirs) 3255AC_SUBST(target_configdirs) 3256 3257# Target module lists & subconfigure args. 3258AC_SUBST(target_configargs) 3259 3260 3261# Build tools. 3262AC_SUBST(AR_FOR_BUILD) 3263AC_SUBST(AS_FOR_BUILD) 3264AC_SUBST(CC_FOR_BUILD) 3265AC_SUBST(CFLAGS_FOR_BUILD) 3266AC_SUBST(CXXFLAGS_FOR_BUILD) 3267AC_SUBST(CXX_FOR_BUILD) 3268AC_SUBST(DLLTOOL_FOR_BUILD) 3269AC_SUBST(GCJ_FOR_BUILD) 3270AC_SUBST(GFORTRAN_FOR_BUILD) 3271AC_SUBST(GOC_FOR_BUILD) 3272AC_SUBST(LDFLAGS_FOR_BUILD) 3273AC_SUBST(LD_FOR_BUILD) 3274AC_SUBST(NM_FOR_BUILD) 3275AC_SUBST(RANLIB_FOR_BUILD) 3276AC_SUBST(WINDMC_FOR_BUILD) 3277AC_SUBST(WINDRES_FOR_BUILD) 3278 3279# Generate default definitions for YACC, M4, LEX and other programs that run 3280# on the build machine. These are used if the Makefile can't locate these 3281# programs in objdir. 3282MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3283 3284AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3285case " $build_configdirs " in 3286 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3287esac 3288 3289AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3290case " $build_configdirs " in 3291 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3292esac 3293 3294AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3295case " $build_configdirs " in 3296 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3297esac 3298 3299AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3300case " $build_configdirs " in 3301 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3302 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3303esac 3304 3305AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3306case " $build_configdirs " in 3307 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3308esac 3309 3310AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3311case " $build_configdirs " in 3312 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3313 *) 3314changequote(,) 3315 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3316 # higher, else we use the "missing" dummy. 3317 if ${MAKEINFO} --version \ 3318 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3319 : 3320 else 3321 MAKEINFO="$MISSING makeinfo" 3322 fi 3323 ;; 3324changequote([,]) 3325esac 3326 3327# FIXME: expect and dejagnu may become build tools? 3328 3329AC_CHECK_PROGS(EXPECT, expect, expect) 3330case " $configdirs " in 3331 *" expect "*) 3332 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3333 ;; 3334esac 3335 3336AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3337case " $configdirs " in 3338 *" dejagnu "*) 3339 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3340 ;; 3341esac 3342 3343 3344# Host tools. 3345NCN_STRICT_CHECK_TOOLS(AR, ar) 3346NCN_STRICT_CHECK_TOOLS(AS, as) 3347NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3348NCN_STRICT_CHECK_TOOLS(LD, ld) 3349NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3350NCN_STRICT_CHECK_TOOLS(NM, nm) 3351NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3352NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3353NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3354NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3355NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3356NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3357NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3358AC_SUBST(CC) 3359AC_SUBST(CXX) 3360AC_SUBST(CFLAGS) 3361AC_SUBST(CXXFLAGS) 3362 3363# Target tools. 3364AC_ARG_WITH([build-time-tools], 3365 [AS_HELP_STRING([--with-build-time-tools=PATH], 3366 [use given path to find target tools during the build])], 3367 [case x"$withval" in 3368 x/*) ;; 3369 *) 3370 with_build_time_tools= 3371 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3372 ;; 3373 esac], 3374 [with_build_time_tools=]) 3375 3376NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3377NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3378NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3379NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3380NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3381NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3382 3383ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3384ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3385ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3386ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3387ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3388ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3389ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3390ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3391ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3392ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3393ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3394ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3395ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3396 3397RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3398 3399GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3400GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3401GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3402dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3403GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3404 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3405 c++) 3406GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3407 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3408 c++) 3409GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3410GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3411GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3412 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3413GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3414 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3415GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3416 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3417GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3418GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3419GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3420GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3421GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3422GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3423GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3424GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3425GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3426GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3427 3428AC_SUBST(FLAGS_FOR_TARGET) 3429AC_SUBST(RAW_CXX_FOR_TARGET) 3430 3431# Certain tools may need extra flags. 3432AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3433RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3434NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3435 3436# When building target libraries, except in a Canadian cross, we use 3437# the same toolchain as the compiler we just built. 3438COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3439COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3440COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3441if test $host = $build; then 3442 case " $configdirs " in 3443 *" gcc "*) 3444 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3445 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3446 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3447 ;; 3448 esac 3449fi 3450 3451AC_SUBST(COMPILER_AS_FOR_TARGET) 3452AC_SUBST(COMPILER_LD_FOR_TARGET) 3453AC_SUBST(COMPILER_NM_FOR_TARGET) 3454 3455AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3456AC_ARG_ENABLE(maintainer-mode, 3457[AS_HELP_STRING([--enable-maintainer-mode], 3458 [enable make rules and dependencies not useful 3459 (and sometimes confusing) to the casual installer])], 3460 USE_MAINTAINER_MODE=$enableval, 3461 USE_MAINTAINER_MODE=no) 3462AC_MSG_RESULT($USE_MAINTAINER_MODE) 3463AC_SUBST(MAINTAINER_MODE_TRUE) 3464AC_SUBST(MAINTAINER_MODE_FALSE) 3465if test "$USE_MAINTAINER_MODE" = yes; then 3466 MAINTAINER_MODE_TRUE= 3467 MAINTAINER_MODE_FALSE='#' 3468else 3469 MAINTAINER_MODE_TRUE='#' 3470 MAINTAINER_MODE_FALSE= 3471fi 3472MAINT=$MAINTAINER_MODE_TRUE 3473AC_SUBST(MAINT)dnl 3474 3475# --------------------- 3476# GCC bootstrap support 3477# --------------------- 3478 3479# Stage specific cflags for build. 3480stage1_cflags="-g" 3481case $build in 3482 vax-*-*) 3483 case ${GCC} in 3484 yes) stage1_cflags="-g -Wa,-J" ;; 3485 *) stage1_cflags="-g -J" ;; 3486 esac ;; 3487esac 3488 3489AC_SUBST(stage1_cflags) 3490 3491# Enable --enable-checking in stage1 of the compiler. 3492AC_ARG_ENABLE(stage1-checking, 3493[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3494 [choose additional checking for stage1 of the compiler])], 3495[stage1_checking=--enable-checking=${enable_stage1_checking}], 3496[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3497 # For --disable-checking or implicit --enable-checking=release, avoid 3498 # setting --enable-checking=gc in the default stage1 checking for LTO 3499 # bootstraps. See PR62077. 3500 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3501 case $BUILD_CONFIG in 3502 *lto*) 3503 if test "x$enable_checking" = x && \ 3504 test -d ${srcdir}/gcc && \ 3505 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3506 stage1_checking=--enable-checking=yes,types 3507 fi;; 3508 *) stage1_checking=--enable-checking=yes,types;; 3509 esac 3510else 3511 stage1_checking=--enable-checking=$enable_checking,types 3512fi]) 3513AC_SUBST(stage1_checking) 3514 3515# Enable -Werror in bootstrap stage2 and later. 3516AC_ARG_ENABLE(werror, 3517[AS_HELP_STRING([--enable-werror], 3518 [enable -Werror in bootstrap stage2 and later])], [], 3519[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3520 enable_werror=yes 3521else 3522 enable_werror=no 3523fi]) 3524case ${enable_werror} in 3525 yes) stage2_werror_flag="--enable-werror-always" ;; 3526 *) stage2_werror_flag="" ;; 3527esac 3528AC_SUBST(stage2_werror_flag) 3529 3530# Enable --enable-host-shared. 3531AC_ARG_ENABLE(host-shared, 3532[AS_HELP_STRING([--enable-host-shared], 3533 [build host code as shared libraries])], 3534[host_shared=$enableval], [host_shared=no]) 3535AC_SUBST(host_shared) 3536 3537# PR jit/64780: Require the user to explicitly specify 3538# --enable-host-shared if the jit is enabled, hinting 3539# that they might want to do a separate configure/build of 3540# the jit, to avoid users from slowing down the rest of the 3541# compiler by enabling the jit. 3542if test ${host_shared} = "no" ; then 3543 case "${enable_languages}" in 3544 *jit*) 3545 AC_MSG_ERROR([ 3546Enabling language "jit" requires --enable-host-shared. 3547 3548--enable-host-shared typically slows the rest of the compiler down by 3549a few %, so you must explicitly enable it. 3550 3551If you want to build both the jit and the regular compiler, it is often 3552best to do this via two separate configure/builds, in separate 3553directories, to avoid imposing the performance cost of 3554--enable-host-shared on the regular compiler.]) 3555 ;; 3556 *) 3557 ;; 3558 esac 3559fi 3560 3561# Specify what files to not compare during bootstrap. 3562 3563compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3564case "$target" in 3565 hppa*64*-*-hpux*) ;; 3566 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3567 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3568esac 3569AC_SUBST(compare_exclusions) 3570 3571AC_CONFIG_FILES([Makefile], 3572 [sed "$extrasub_build" Makefile | 3573 sed "$extrasub_host" | 3574 sed "$extrasub_target" > mf$$ 3575 mv -f mf$$ Makefile], 3576 [extrasub_build="$extrasub_build" 3577 extrasub_host="$extrasub_host" 3578 extrasub_target="$extrasub_target"]) 3579AC_OUTPUT 3580