configure.ac revision 1.8
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_DISABLE_OPTION_CHECKING 35 36progname=$0 37# if PWD already has a value, it is probably wrong. 38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 39 40# Export original configure arguments for use by sub-configures. 41# Quote arguments with shell meta charatcers. 42TOPLEVEL_CONFIGURE_ARGUMENTS= 43set -- "$progname" "$@" 44for ac_arg 45do 46 case "$ac_arg" in 47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 49 # if the argument is of the form -foo=baz, quote the baz part only 50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 51 *) ;; 52 esac 53 # Add the quoted argument to the list. 54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 55done 56if test "$silent" = yes; then 57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 58fi 59# Remove the initial space we just introduced and, as these will be 60# expanded by make, quote '$'. 61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 63 64# Find the build, host, and target systems. 65ACX_NONCANONICAL_BUILD 66ACX_NONCANONICAL_HOST 67ACX_NONCANONICAL_TARGET 68 69dnl Autoconf 2.5x and later will set a default program prefix if 70dnl --target was used, even if it was the same as --host. Disable 71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 72dnl to take effect. 73test "$host_noncanonical" = "$target_noncanonical" && 74 test "$program_prefix$program_suffix$program_transform_name" = \ 75 NONENONEs,x,x, && 76 program_transform_name=s,y,y, 77 78AC_CANONICAL_SYSTEM 79AC_ARG_PROGRAM 80 81m4_pattern_allow([^AS_FOR_TARGET$])dnl 82m4_pattern_allow([^AS_FOR_BUILD$])dnl 83 84# Get 'install' or 'install-sh' and its variants. 85AC_PROG_INSTALL 86ACX_PROG_LN 87AC_PROG_LN_S 88AC_PROG_SED 89AC_PROG_AWK 90 91srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 92 93# We pass INSTALL explicitly to sub-makes. Make sure that it is not 94# a relative path. 95if test "$INSTALL" = "${srcdir}/install-sh -c"; then 96 INSTALL="${srcpwd}/install-sh -c" 97fi 98 99# Set srcdir to "." if that's what it is. 100# This is important for multilib support. 101pwd=`${PWDCMD-pwd}` 102if test "${pwd}" = "${srcpwd}" ; then 103 srcdir=. 104fi 105 106topsrcdir=$srcpwd 107 108extra_host_args= 109 110### To add a new directory to the tree, first choose whether it is a target 111### or a host dependent tool. Then put it into the appropriate list 112### (library or tools, host or target), doing a dependency sort. 113 114# Subdirs will be configured in the order listed in build_configdirs, 115# configdirs, or target_configdirs; see the serialization section below. 116 117# Dependency sorting is only needed when *configuration* must be done in 118# a particular order. In all cases a dependency should be specified in 119# the Makefile, whether or not it's implicitly specified here. 120 121# Double entries in build_configdirs, configdirs, or target_configdirs may 122# cause circular dependencies and break everything horribly. 123 124# these library is used by various programs built for the build 125# environment 126# 127build_libs="build-libiberty build-libcpp" 128 129# these tools are built for the build environment 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 131 132# these libraries are used by various programs built for the host environment 133#f 134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 135 136# these tools are built for the host environment 137# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 138# know that we are building the simulator. 139# binutils, gas and ld appear in that order because it makes sense to run 140# "make check" in that particular order. 141# If --enable-gold is used, "gold" may replace "ld". 142host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 143 144# these libraries are built for the target environment, and are built after 145# the host libraries and the host tools (which may be a cross compiler) 146# Note that libiberty is not a target library. 147target_libraries="target-libgcc \ 148 target-libbacktrace \ 149 target-libgloss \ 150 target-newlib \ 151 target-libgomp \ 152 target-liboffloadmic \ 153 target-libhsail-rt \ 154 target-libatomic \ 155 target-libitm \ 156 target-libstdc++-v3 \ 157 target-libsanitizer \ 158 target-libvtv \ 159 target-libssp \ 160 target-libquadmath \ 161 target-libgfortran \ 162 target-libffi \ 163 target-libobjc \ 164 target-libada \ 165 target-libgo" 166 167# these tools are built using the target libraries, and are intended to 168# run only in the target environment 169# 170# note: any program that *uses* libraries that are in the "target_libraries" 171# list belongs in this list. 172# 173target_tools="target-rda" 174 175################################################################################ 176 177## All tools belong in one of the four categories, and are assigned above 178## We assign ${configdirs} this way to remove all embedded newlines. This 179## is important because configure will choke if they ever get through. 180## ${configdirs} is directories we build using the host tools. 181## ${target_configdirs} is directories we build using the target tools. 182configdirs=`echo ${host_libs} ${host_tools}` 183target_configdirs=`echo ${target_libraries} ${target_tools}` 184build_configdirs=`echo ${build_libs} ${build_tools}` 185 186m4_divert_text([PARSE_ARGS], 187[case $srcdir in 188 *" "*) 189m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 190 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 191m4_popdef([AS_MESSAGE_LOG_FD])dnl 192 ;; 193esac 194ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 195]) 196 197################################################################################ 198 199srcname="gnu development package" 200 201# This gets set non-empty for some net releases of packages. 202appdirs="" 203 204# Define is_cross_compiler to save on calls to 'test'. 205is_cross_compiler= 206if test x"${host}" = x"${target}" ; then 207 is_cross_compiler=no 208else 209 is_cross_compiler=yes 210fi 211 212# Find the build and target subdir names. 213GCC_TOPLEV_SUBDIRS 214# Be sure to cover against remnants of an in-tree build. 215if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 217Use a pristine source tree when building in a separate tree]) 218fi 219 220# Skipdirs are removed silently. 221skipdirs= 222# Noconfigdirs are removed loudly. 223noconfigdirs="" 224 225use_gnu_ld= 226# Make sure we don't let GNU ld be added if we didn't want it. 227if test x$with_gnu_ld = xno ; then 228 use_gnu_ld=no 229 noconfigdirs="$noconfigdirs ld gold" 230fi 231 232use_gnu_as= 233# Make sure we don't let GNU as be added if we didn't want it. 234if test x$with_gnu_as = xno ; then 235 use_gnu_as=no 236 noconfigdirs="$noconfigdirs gas" 237fi 238 239use_included_zlib= 240AC_ARG_WITH(system-zlib, 241[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 242# Make sure we don't let ZLIB be added if we didn't want it. 243if test x$with_system_zlib = xyes ; then 244 use_included_zlib=no 245 noconfigdirs="$noconfigdirs zlib" 246fi 247 248# some tools are so dependent upon X11 that if we're not building with X, 249# it's not even worth trying to configure, much less build, that tool. 250 251case ${with_x} in 252 yes | "") ;; # the default value for this tree is that X11 is available 253 no) 254 skipdirs="${skipdirs} tk itcl libgui" 255 # We won't be able to build gdbtk without X. 256 enable_gdbtk=no 257 ;; 258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 259esac 260 261# Some are only suitable for cross toolchains. 262# Remove these if host=target. 263cross_only="target-libgloss target-newlib target-opcodes" 264 265case $is_cross_compiler in 266 no) skipdirs="${skipdirs} ${cross_only}" ;; 267esac 268 269# If both --with-headers and --with-libs are specified, default to 270# --without-newlib. 271if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 273 if test x"${with_newlib}" = x ; then 274 with_newlib=no 275 fi 276fi 277 278# Recognize --with-newlib/--without-newlib. 279case ${with_newlib} in 280 no) skipdirs="${skipdirs} target-newlib" ;; 281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 282esac 283 284AC_ARG_ENABLE(as-accelerator-for, 285[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 286 [build as offload target compiler. 287 Specify offload host triple by ARG])]) 288 289AC_ARG_ENABLE(offload-targets, 290[AS_HELP_STRING([--enable-offload-targets=LIST], 291 [enable offloading to devices from comma-separated LIST of 292 TARGET[=DIR]. Use optional path to find offload target compiler 293 during the build])], 294[ 295 if test x"$enable_offload_targets" = x; then 296 AC_MSG_ERROR([no offload targets specified]) 297 fi 298], [enable_offload_targets=]) 299 300# Handle --enable-gold, --enable-ld. 301# --disable-gold [--enable-ld] 302# Build only ld. Default option. 303# --enable-gold [--enable-ld] 304# Build both gold and ld. Install gold as "ld.gold", install ld 305# as "ld.bfd" and "ld". 306# --enable-gold=default [--enable-ld] 307# Build both gold and ld. Install gold as "ld.gold" and "ld", 308# install ld as "ld.bfd". 309# --enable-gold[=default] --disable-ld 310# Build only gold, which is then installed as both "ld.gold" and "ld". 311# --enable-gold --enable-ld=default 312# Build both gold (installed as "ld.gold") and ld (installed as "ld" 313# and ld.bfd). 314# In other words, ld is default 315# --enable-gold=default --enable-ld=default 316# Error. 317 318default_ld= 319AC_ARG_ENABLE(gold, 320[AS_HELP_STRING([[--enable-gold[=ARG]]], 321 [build gold @<:@ARG={default,yes,no}@:>@])], 322ENABLE_GOLD=$enableval, 323ENABLE_GOLD=no) 324case "${ENABLE_GOLD}" in 325 yes|default) 326 # Check for ELF target. 327 is_elf=no 328 case "${target}" in 329 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 330 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 331 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 332 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 333 case "${target}" in 334 *-*-linux*aout* | *-*-linux*oldld*) 335 ;; 336 *) 337 is_elf=yes 338 ;; 339 esac 340 esac 341 342 if test "$is_elf" = "yes"; then 343 # Check for target supported by gold. 344 case "${target}" in 345 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 346 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 347 configdirs="$configdirs gold" 348 if test x${ENABLE_GOLD} = xdefault; then 349 default_ld=gold 350 fi 351 ENABLE_GOLD=yes 352 ;; 353 esac 354 fi 355 ;; 356 no) 357 ;; 358 *) 359 AC_MSG_ERROR([invalid --enable-gold argument]) 360 ;; 361esac 362 363AC_ARG_ENABLE(ld, 364[AS_HELP_STRING([[--enable-ld[=ARG]]], 365 [build ld @<:@ARG={default,yes,no}@:>@])], 366ENABLE_LD=$enableval, 367ENABLE_LD=yes) 368 369case "${ENABLE_LD}" in 370 default) 371 if test x${default_ld} != x; then 372 AC_MSG_ERROR([either gold or ld can be the default ld]) 373 fi 374 ;; 375 yes) 376 ;; 377 no) 378 if test x${ENABLE_GOLD} != xyes; then 379 AC_MSG_WARN([neither ld nor gold are enabled]) 380 fi 381 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 382 ;; 383 *) 384 AC_MSG_ERROR([invalid --enable-ld argument]) 385 ;; 386esac 387 388# PR gas/19109 389# Decide the default method for compressing debug sections. 390# Provide a configure time option to override our default. 391AC_ARG_ENABLE(compressed_debug_sections, 392[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 393 [Enable compressed debug sections for gas, gold or ld by 394 default])], 395[ 396 if test x"$enable_compressed_debug_sections" = xyes; then 397 AC_MSG_ERROR([no program with compressed debug sections specified]) 398 fi 399], [enable_compressed_debug_sections=]) 400 401# Configure extra directories which are host specific 402 403case "${host}" in 404 *-cygwin*) 405 configdirs="$configdirs libtermcap" ;; 406esac 407 408# A target can indicate whether a language isn't supported for some reason. 409# Only spaces may be used in this macro; not newlines or tabs. 410unsupported_languages= 411 412# Remove more programs from consideration, based on the host or 413# target this usually means that a port of the program doesn't 414# exist yet. 415 416case "${host}" in 417 i[[3456789]]86-*-msdosdjgpp*) 418 noconfigdirs="$noconfigdirs tcl tk itcl" 419 ;; 420esac 421 422 423AC_ARG_ENABLE(libquadmath, 424AS_HELP_STRING([--disable-libquadmath], 425 [do not build libquadmath directory]), 426ENABLE_LIBQUADMATH=$enableval, 427ENABLE_LIBQUADMATH=yes) 428if test "${ENABLE_LIBQUADMATH}" = "no" ; then 429 noconfigdirs="$noconfigdirs target-libquadmath" 430fi 431 432 433AC_ARG_ENABLE(libquadmath-support, 434AS_HELP_STRING([--disable-libquadmath-support], 435 [disable libquadmath support for Fortran]), 436ENABLE_LIBQUADMATH_SUPPORT=$enableval, 437ENABLE_LIBQUADMATH_SUPPORT=yes) 438enable_libquadmath_support= 439if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 440 enable_libquadmath_support=no 441fi 442 443 444AC_ARG_ENABLE(libada, 445[AS_HELP_STRING([--enable-libada], [build libada directory])], 446ENABLE_LIBADA=$enableval, 447ENABLE_LIBADA=yes) 448if test "${ENABLE_LIBADA}" != "yes" ; then 449 noconfigdirs="$noconfigdirs gnattools" 450fi 451 452AC_ARG_ENABLE(libssp, 453[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 454ENABLE_LIBSSP=$enableval, 455ENABLE_LIBSSP=yes) 456 457AC_ARG_ENABLE(libstdcxx, 458AS_HELP_STRING([--disable-libstdcxx], 459 [do not build libstdc++-v3 directory]), 460ENABLE_LIBSTDCXX=$enableval, 461ENABLE_LIBSTDCXX=default) 462[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 463 noconfigdirs="$noconfigdirs target-libstdc++-v3" 464fi] 465 466# If this is accelerator compiler and its target is intelmic we enable 467# target liboffloadmic by default. If this is compiler with offloading 468# for intelmic we enable host liboffloadmic by default. Otherwise 469# liboffloadmic is disabled by default. 470AC_ARG_ENABLE([liboffloadmic], 471AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 472 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 473[case "$enableval" in 474 no | host | target) 475 enable_liboffloadmic=$enableval ;; 476 *) 477 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 478esac], 479[if test x"$enable_as_accelerator_for" != x; then 480 case "${target}" in 481 *-intelmic-* | *-intelmicemul-*) 482 enable_liboffloadmic=target 483 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 484 ;; 485 *) 486 enable_liboffloadmic=no 487 ;; 488 esac 489else 490 case "${enable_offload_targets}" in 491 *-intelmic-* | *-intelmicemul-*) 492 enable_liboffloadmic=host 493 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 494 ;; 495 *) 496 enable_liboffloadmic=no 497 ;; 498 esac 499fi]) 500AC_SUBST(extra_liboffloadmic_configure_flags) 501 502# Enable libgomp by default on hosted POSIX systems, and a few others. 503if test x$enable_libgomp = x ; then 504 case "${target}" in 505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 506 ;; 507 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 508 ;; 509 *-*-solaris2* | *-*-hpux11*) 510 ;; 511 *-*-darwin* | *-*-aix*) 512 ;; 513 nvptx*-*-*) 514 ;; 515 *) 516 noconfigdirs="$noconfigdirs target-libgomp" 517 ;; 518 esac 519fi 520 521# Disable libatomic on unsupported systems. 522if test -d ${srcdir}/libatomic; then 523 if test x$enable_libatomic = x; then 524 AC_MSG_CHECKING([for libatomic support]) 525 if (srcdir=${srcdir}/libatomic; \ 526 . ${srcdir}/configure.tgt; \ 527 test -n "$UNSUPPORTED") 528 then 529 AC_MSG_RESULT([no]) 530 noconfigdirs="$noconfigdirs target-libatomic" 531 else 532 AC_MSG_RESULT([yes]) 533 fi 534 fi 535fi 536 537# Disable liboffloadmic on unsupported systems. 538if test -d ${srcdir}/liboffloadmic; then 539 if test x$enable_liboffloadmic != xno; then 540 AC_MSG_CHECKING([for liboffloadmic support]) 541 if (srcdir=${srcdir}/liboffloadmic; \ 542 . ${srcdir}/configure.tgt; \ 543 test -n "$UNSUPPORTED") 544 then 545 AC_MSG_RESULT([no]) 546 noconfigdirs="$noconfigdirs target-liboffloadmic" 547 else 548 AC_MSG_RESULT([yes]) 549 fi 550 fi 551fi 552 553# Disable libitm on unsupported systems. 554if test -d ${srcdir}/libitm; then 555 if test x$enable_libitm = x; then 556 AC_MSG_CHECKING([for libitm support]) 557 if (srcdir=${srcdir}/libitm; \ 558 . ${srcdir}/configure.tgt; \ 559 test -n "$UNSUPPORTED") 560 then 561 AC_MSG_RESULT([no]) 562 noconfigdirs="$noconfigdirs target-libitm" 563 else 564 AC_MSG_RESULT([yes]) 565 fi 566 fi 567fi 568 569# Disable libsanitizer on unsupported systems. 570if test -d ${srcdir}/libsanitizer; then 571 if test x$enable_libsanitizer = x; then 572 AC_MSG_CHECKING([for libsanitizer support]) 573 if (srcdir=${srcdir}/libsanitizer; \ 574 . ${srcdir}/configure.tgt; \ 575 test -n "$UNSUPPORTED") 576 then 577 AC_MSG_RESULT([no]) 578 noconfigdirs="$noconfigdirs target-libsanitizer" 579 else 580 AC_MSG_RESULT([yes]) 581 fi 582 fi 583fi 584 585# Disable libvtv on unsupported systems. 586if test -d ${srcdir}/libvtv; then 587 if test x$enable_libvtv = x; then 588 AC_MSG_CHECKING([for libvtv support]) 589 if (srcdir=${srcdir}/libvtv; \ 590 . ${srcdir}/configure.tgt; \ 591 test "$VTV_SUPPORTED" != "yes") 592 then 593 AC_MSG_RESULT([no]) 594 noconfigdirs="$noconfigdirs target-libvtv" 595 else 596 AC_MSG_RESULT([yes]) 597 fi 598 fi 599fi 600 601 602# Disable libhsail-rt on unsupported systems. 603if test -d ${srcdir}/libhsail-rt; then 604 if test x$enable_libhsail_rt = x; then 605 AC_MSG_CHECKING([for libhsail-rt support]) 606 if (srcdir=${srcdir}/libhsail-rt; \ 607 . ${srcdir}/configure.tgt; \ 608 test -n "$UNSUPPORTED") 609 then 610 AC_MSG_RESULT([no]) 611 unsupported_languages="$unsupported_languages brig" 612 # This implicitly disables also target-libhsail-rt as it won't 613 # get added to the build without BRIG FE. 614 else 615 AC_MSG_RESULT([yes]) 616 fi 617 fi 618fi 619 620 621# Disable libquadmath for some systems. 622case "${target}" in 623 avr-*-*) 624 noconfigdirs="$noconfigdirs target-libquadmath" 625 ;; 626 # libquadmath is unused on AIX and libquadmath build process use of 627 # LD_LIBRARY_PATH can break AIX bootstrap. 628 powerpc-*-aix* | rs6000-*-aix*) 629 noconfigdirs="$noconfigdirs target-libquadmath" 630 ;; 631esac 632 633# Disable libssp for some systems. 634case "${target}" in 635 avr-*-*) 636 # No hosted I/O support. 637 noconfigdirs="$noconfigdirs target-libssp" 638 ;; 639 powerpc-*-aix* | rs6000-*-aix*) 640 noconfigdirs="$noconfigdirs target-libssp" 641 ;; 642 rl78-*-*) 643 # libssp uses a misaligned load to trigger a fault, but the RL78 644 # doesn't fault for those - instead, it gives a build-time error 645 # for explicit misaligned loads. 646 noconfigdirs="$noconfigdirs target-libssp" 647 ;; 648 visium-*-*) 649 # No hosted I/O support. 650 noconfigdirs="$noconfigdirs target-libssp" 651 ;; 652esac 653 654# Disable libstdc++-v3 for some systems. 655# Allow user to override this if they pass --enable-libstdc++-v3 656if test "${ENABLE_LIBSTDCXX}" = "default" ; then 657 case "${target}" in 658 *-*-vxworks*) 659 # VxWorks uses the Dinkumware C++ library. 660 noconfigdirs="$noconfigdirs target-libstdc++-v3" 661 ;; 662 arm*-wince-pe*) 663 # the C++ libraries don't build on top of CE's C libraries 664 noconfigdirs="$noconfigdirs target-libstdc++-v3" 665 ;; 666 avr-*-*) 667 noconfigdirs="$noconfigdirs target-libstdc++-v3" 668 ;; 669 ft32-*-*) 670 noconfigdirs="$noconfigdirs target-libstdc++-v3" 671 ;; 672 esac 673fi 674 675# Disable Fortran for some systems. 676case "${target}" in 677 mmix-*-*) 678 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 679 unsupported_languages="$unsupported_languages fortran" 680 ;; 681esac 682 683# Disable libffi for some systems. 684case "${target}" in 685 powerpc-*-darwin*) 686 ;; 687 i[[3456789]]86-*-darwin*) 688 ;; 689 x86_64-*-darwin[[912]]*) 690 ;; 691 *-*-darwin*) 692 noconfigdirs="$noconfigdirs target-libffi" 693 ;; 694 *-*-netware*) 695 noconfigdirs="$noconfigdirs target-libffi" 696 ;; 697 *-*-phoenix*) 698 noconfigdirs="$noconfigdirs target-libffi" 699 ;; 700 *-*-rtems*) 701 noconfigdirs="$noconfigdirs target-libffi" 702 ;; 703 *-*-tpf*) 704 noconfigdirs="$noconfigdirs target-libffi" 705 ;; 706 *-*-uclinux*) 707 noconfigdirs="$noconfigdirs target-libffi" 708 ;; 709 *-*-vxworks*) 710 noconfigdirs="$noconfigdirs target-libffi" 711 ;; 712 aarch64*-*-freebsd*) 713 noconfigdirs="$noconfigdirs target-libffi" 714 ;; 715 alpha*-*-*vms*) 716 noconfigdirs="$noconfigdirs target-libffi" 717 ;; 718 arm*-*-freebsd*) 719 noconfigdirs="$noconfigdirs target-libffi" 720 ;; 721 arm-wince-pe) 722 noconfigdirs="$noconfigdirs target-libffi" 723 ;; 724 arm*-*-symbianelf*) 725 noconfigdirs="$noconfigdirs target-libffi" 726 ;; 727 cris-*-* | crisv32-*-*) 728 case "${target}" in 729 *-*-linux*) 730 ;; 731 *) # See PR46792 regarding target-libffi. 732 noconfigdirs="$noconfigdirs target-libffi";; 733 esac 734 ;; 735 hppa*64*-*-hpux*) 736 noconfigdirs="$noconfigdirs target-libffi" 737 ;; 738 hppa*-hp-hpux11*) 739 ;; 740 hppa*-*-hpux*) 741 noconfigdirs="$noconfigdirs target-libffi" 742 ;; 743 ia64*-*-*vms*) 744 noconfigdirs="$noconfigdirs target-libffi" 745 ;; 746 i[[3456789]]86-w64-mingw*) 747 noconfigdirs="$noconfigdirs target-libffi" 748 ;; 749 i[[3456789]]86-*-mingw*) 750 noconfigdirs="$noconfigdirs target-libffi" 751 ;; 752 x86_64-*-mingw*) 753 noconfigdirs="$noconfigdirs target-libffi" 754 ;; 755 mmix-*-*) 756 noconfigdirs="$noconfigdirs target-libffi" 757 ;; 758 powerpc-*-aix*) 759 ;; 760 rs6000-*-aix*) 761 ;; 762 ft32-*-*) 763 noconfigdirs="$noconfigdirs target-libffi" 764 ;; 765 *-*-lynxos*) 766 noconfigdirs="$noconfigdirs target-libffi" 767 ;; 768esac 769 770# Disable the go frontend on systems where it is known to not work. Please keep 771# this in sync with contrib/config-list.mk. 772case "${target}" in 773*-*-darwin* | *-*-cygwin* | *-*-mingw*) 774 unsupported_languages="$unsupported_languages go" 775 ;; 776esac 777 778# Disable libgo for some systems where it is known to not work. 779# For testing, you can easily override this with --enable-libgo. 780if test x$enable_libgo = x; then 781 case "${target}" in 782 *-*-darwin*) 783 # PR 46986 784 noconfigdirs="$noconfigdirs target-libgo" 785 ;; 786 *-*-cygwin* | *-*-mingw*) 787 noconfigdirs="$noconfigdirs target-libgo" 788 ;; 789 esac 790fi 791 792# Default libgloss CPU subdirectory. 793libgloss_dir="$target_cpu" 794 795case "${target}" in 796 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 797 libgloss_dir=wince 798 ;; 799 aarch64*-*-* ) 800 libgloss_dir=aarch64 801 ;; 802 arm*-*-*) 803 libgloss_dir=arm 804 ;; 805 cris-*-* | crisv32-*-*) 806 libgloss_dir=cris 807 ;; 808 hppa*-*-*) 809 libgloss_dir=pa 810 ;; 811 i[[3456789]]86-*-*) 812 libgloss_dir=i386 813 ;; 814 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 815 libgloss_dir=m68hc11 816 ;; 817 m68*-*-* | fido-*-*) 818 libgloss_dir=m68k 819 ;; 820 mips*-*-*) 821 libgloss_dir=mips 822 ;; 823 powerpc*-*-*) 824 libgloss_dir=rs6000 825 ;; 826 sparc*-*-*) 827 libgloss_dir=sparc 828 ;; 829esac 830 831# Disable newlib and libgloss for various target OSes. 832case "${target}" in 833 alpha*-dec-osf*) 834 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 835 ;; 836 i[[3456789]]86-*-linux*) 837 # This section makes it possible to build newlib natively on linux. 838 # If we are using a cross compiler then don't configure newlib. 839 if test x${is_cross_compiler} != xno ; then 840 noconfigdirs="$noconfigdirs target-newlib" 841 fi 842 noconfigdirs="$noconfigdirs target-libgloss" 843 # If we are not using a cross compiler, do configure newlib. 844 # Note however, that newlib will only be configured in this situation 845 # if the --with-newlib option has been given, because otherwise 846 # 'target-newlib' will appear in skipdirs. 847 ;; 848 i[[3456789]]86-*-rdos*) 849 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 850 ;; 851 sh*-*-pe|mips*-*-pe|arm-wince-pe) 852 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 853 ;; 854 sparc-*-sunos4*) 855 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 856 ;; 857 *-*-aix*) 858 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 859 ;; 860 *-*-beos*) 861 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 862 ;; 863 *-*-chorusos) 864 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 865 ;; 866 *-*-dragonfly*) 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 868 ;; 869 *-*-freebsd*) 870 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 871 ;; 872 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 873 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 874 ;; 875 *-*-lynxos*) 876 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 877 ;; 878 *-*-mingw*) 879 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 880 ;; 881 *-*-netbsd*) 882 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 883 ;; 884 *-*-netware*) 885 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 886 ;; 887 *-*-tpf*) 888 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 889 ;; 890 *-*-uclinux*) 891 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 892 ;; 893 *-*-vxworks*) 894 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 895 ;; 896esac 897 898case "${target}" in 899 *-*-chorusos) 900 ;; 901 aarch64-*-darwin*) 902 noconfigdirs="$noconfigdirs ld gas gdb gprof" 903 noconfigdirs="$noconfigdirs sim target-rda" 904 ;; 905 arm-*-darwin*) 906 noconfigdirs="$noconfigdirs ld gas gdb gprof" 907 noconfigdirs="$noconfigdirs sim target-rda" 908 ;; 909 powerpc-*-darwin*) 910 noconfigdirs="$noconfigdirs ld gas gdb gprof" 911 noconfigdirs="$noconfigdirs sim target-rda" 912 ;; 913 i[[3456789]]86-*-darwin*) 914 noconfigdirs="$noconfigdirs ld gprof" 915 noconfigdirs="$noconfigdirs sim target-rda" 916 ;; 917 x86_64-*-darwin[[912]]*) 918 noconfigdirs="$noconfigdirs ld gas gprof" 919 noconfigdirs="$noconfigdirs sim target-rda" 920 ;; 921 *-*-darwin*) 922 noconfigdirs="$noconfigdirs ld gas gdb gprof" 923 noconfigdirs="$noconfigdirs sim target-rda" 924 ;; 925 *-*-dragonfly*) 926 ;; 927 *-*-freebsd*) 928 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 929 && test -f /usr/local/include/gmp.h; then 930 with_gmp=/usr/local 931 fi 932 ;; 933 *-*-kaos*) 934 # Remove unsupported stuff on all kaOS configurations. 935 noconfigdirs="$noconfigdirs target-libgloss" 936 ;; 937 *-*-netbsd*) 938 ;; 939 *-*-netware*) 940 ;; 941 *-*-phoenix*) 942 noconfigdirs="$noconfigdirs target-libgloss" 943 ;; 944 *-*-rtems*) 945 noconfigdirs="$noconfigdirs target-libgloss" 946 ;; 947 # The tpf target doesn't support gdb yet. 948 *-*-tpf*) 949 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 950 ;; 951 *-*-uclinux*) 952 noconfigdirs="$noconfigdirs target-rda" 953 ;; 954 *-*-vxworks*) 955 ;; 956 alpha*-dec-osf*) 957 # ld works, but does not support shared libraries. 958 # gas doesn't generate exception information. 959 noconfigdirs="$noconfigdirs gas ld" 960 ;; 961 alpha*-*-*vms*) 962 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 963 ;; 964 alpha*-*-*) 965 # newlib is not 64 bit ready 966 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 967 ;; 968 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 969 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 970 ;; 971 arc*-*-*) 972 noconfigdirs="$noconfigdirs sim" 973 ;; 974 arm-*-pe*) 975 noconfigdirs="$noconfigdirs target-libgloss" 976 ;; 977 arm-*-riscix*) 978 noconfigdirs="$noconfigdirs ld target-libgloss" 979 ;; 980 avr-*-*) 981 if test x${with_avrlibc} != xno; then 982 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 983 fi 984 ;; 985 c4x-*-* | tic4x-*-*) 986 noconfigdirs="$noconfigdirs target-libgloss" 987 ;; 988 tic54x-*-*) 989 noconfigdirs="$noconfigdirs target-libgloss gdb" 990 ;; 991 d10v-*-*) 992 noconfigdirs="$noconfigdirs target-libgloss" 993 ;; 994 d30v-*-*) 995 noconfigdirs="$noconfigdirs gdb" 996 ;; 997 fr30-*-elf*) 998 noconfigdirs="$noconfigdirs gdb" 999 ;; 1000 ft32-*-*) 1001 noconfigdirs="$noconfigdirs target-rda gprof" 1002 ;; 1003 moxie-*-*) 1004 noconfigdirs="$noconfigdirs" 1005 ;; 1006 h8300*-*-*) 1007 noconfigdirs="$noconfigdirs target-libgloss" 1008 ;; 1009 h8500-*-*) 1010 noconfigdirs="$noconfigdirs target-libgloss" 1011 ;; 1012 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1013 ;; 1014 hppa*64*-*-hpux*) 1015 noconfigdirs="$noconfigdirs gdb" 1016 ;; 1017 hppa*-*-hpux11*) 1018 noconfigdirs="$noconfigdirs gdb ld" 1019 ;; 1020 hppa*64*-*-linux*) 1021 ;; 1022 hppa*-*-linux*) 1023 ;; 1024 hppa*-*-*elf* | \ 1025 hppa*-*-lites* | \ 1026 hppa*-*-openbsd* | \ 1027 hppa*64*-*-*) 1028 ;; 1029 hppa*-*-pro*) 1030 ;; 1031 hppa*-*-*) 1032 noconfigdirs="$noconfigdirs ld" 1033 ;; 1034 i960-*-*) 1035 noconfigdirs="$noconfigdirs gdb" 1036 ;; 1037 ia64*-*-elf*) 1038 # No gdb support yet. 1039 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1040 ;; 1041 ia64*-**-hpux*) 1042 # No ld support yet. 1043 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1044 ;; 1045 ia64*-*-*vms*) 1046 # No ld support yet. 1047 noconfigdirs="$noconfigdirs libgui itcl ld" 1048 ;; 1049 i[[3456789]]86-w64-mingw*) 1050 ;; 1051 i[[3456789]]86-*-mingw*) 1052 target_configdirs="$target_configdirs target-winsup" 1053 ;; 1054 *-*-cygwin*) 1055 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1056 noconfigdirs="$noconfigdirs target-libgloss" 1057 # always build newlib if winsup directory is present. 1058 if test -d "$srcdir/winsup/cygwin"; then 1059 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1060 elif test -d "$srcdir/newlib"; then 1061 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1062 fi 1063 ;; 1064 i[[3456789]]86-*-pe) 1065 noconfigdirs="$noconfigdirs target-libgloss" 1066 ;; 1067 i[[3456789]]86-*-sco3.2v5*) 1068 # The linker does not yet know about weak symbols in COFF, 1069 # and is not configured to handle mixed ELF and COFF. 1070 noconfigdirs="$noconfigdirs ld target-libgloss" 1071 ;; 1072 i[[3456789]]86-*-sco*) 1073 noconfigdirs="$noconfigdirs gprof target-libgloss" 1074 ;; 1075 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1076 noconfigdirs="$noconfigdirs target-libgloss" 1077 ;; 1078 i[[3456789]]86-*-sysv4*) 1079 noconfigdirs="$noconfigdirs target-libgloss" 1080 ;; 1081 i[[3456789]]86-*-beos*) 1082 noconfigdirs="$noconfigdirs gdb" 1083 ;; 1084 i[[3456789]]86-*-rdos*) 1085 noconfigdirs="$noconfigdirs gdb" 1086 ;; 1087 mmix-*-*) 1088 noconfigdirs="$noconfigdirs gdb" 1089 ;; 1090 mt-*-*) 1091 noconfigdirs="$noconfigdirs sim" 1092 ;; 1093 nfp-*-*) 1094 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1095 noconfigdirs="$noconfigdirs $target_libraries" 1096 ;; 1097 powerpc-*-aix*) 1098 # copied from rs6000-*-* entry 1099 noconfigdirs="$noconfigdirs gprof" 1100 ;; 1101 powerpc*-*-winnt* | powerpc*-*-pe*) 1102 target_configdirs="$target_configdirs target-winsup" 1103 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1104 # always build newlib. 1105 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1106 ;; 1107 # This is temporary until we can link against shared libraries 1108 powerpcle-*-solaris*) 1109 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1110 ;; 1111 powerpc-*-beos*) 1112 noconfigdirs="$noconfigdirs gdb" 1113 ;; 1114 rs6000-*-lynxos*) 1115 noconfigdirs="$noconfigdirs gprof" 1116 ;; 1117 rs6000-*-aix*) 1118 noconfigdirs="$noconfigdirs gprof" 1119 ;; 1120 rs6000-*-*) 1121 noconfigdirs="$noconfigdirs gprof" 1122 ;; 1123 m68k-apollo-*) 1124 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1125 ;; 1126 microblaze*) 1127 noconfigdirs="$noconfigdirs gprof" 1128 ;; 1129 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1130 if test x$with_newlib = xyes; then 1131 noconfigdirs="$noconfigdirs gprof" 1132 fi 1133 ;; 1134 mips*-*-irix5*) 1135 noconfigdirs="$noconfigdirs gprof target-libgloss" 1136 ;; 1137 mips*-*-irix6*) 1138 noconfigdirs="$noconfigdirs gprof target-libgloss" 1139 ;; 1140 mips*-*-bsd*) 1141 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1142 ;; 1143 mips*-*-linux*) 1144 ;; 1145 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1146 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1147 noconfigdirs="$noconfigdirs ld gas gprof" 1148 ;; 1149 mips*-*-*) 1150 noconfigdirs="$noconfigdirs gprof" 1151 ;; 1152 nvptx*-*-*) 1153 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1154 ;; 1155 sh-*-*) 1156 case "${target}" in 1157 sh*-*-elf) 1158 ;; 1159 *) 1160 noconfigdirs="$noconfigdirs target-libgloss" ;; 1161 esac 1162 ;; 1163 sparc-*-sunos4*) 1164 if test x${is_cross_compiler} = xno ; then 1165 use_gnu_ld=no 1166 fi 1167 ;; 1168 tic6x-*-*) 1169 noconfigdirs="$noconfigdirs sim" 1170 ;; 1171 tilepro*-*-* | tilegx*-*-*) 1172 noconfigdirs="$noconfigdirs sim" 1173 ;; 1174 v810-*-*) 1175 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1176 ;; 1177 vax-*-*) 1178 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1179 ;; 1180 wasm32-*-*) 1181 noconfigdirs="$noconfigdirs ld" 1182 ;; 1183esac 1184 1185# If we aren't building newlib, then don't build libgloss, since libgloss 1186# depends upon some newlib header files. 1187case "${noconfigdirs}" in 1188 *target-libgloss*) ;; 1189 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1190esac 1191 1192# Work in distributions that contain no compiler tools, like Autoconf. 1193host_makefile_frag=/dev/null 1194if test -d ${srcdir}/config ; then 1195case "${host}" in 1196 i[[3456789]]86-*-msdosdjgpp*) 1197 host_makefile_frag="config/mh-djgpp" 1198 ;; 1199 *-cygwin*) 1200 ACX_CHECK_CYGWIN_CAT_WORKS 1201 host_makefile_frag="config/mh-cygwin" 1202 ;; 1203 *-mingw*) 1204 host_makefile_frag="config/mh-mingw" 1205 ;; 1206 alpha*-linux*) 1207 host_makefile_frag="config/mh-alpha-linux" 1208 ;; 1209 hppa*-hp-hpux10*) 1210 host_makefile_frag="config/mh-pa-hpux10" 1211 ;; 1212 hppa*-hp-hpux*) 1213 host_makefile_frag="config/mh-pa" 1214 ;; 1215 hppa*-*) 1216 host_makefile_frag="config/mh-pa" 1217 ;; 1218 *-*-darwin*) 1219 host_makefile_frag="config/mh-darwin" 1220 ;; 1221 powerpc-*-aix*) 1222 host_makefile_frag="config/mh-ppc-aix" 1223 ;; 1224 rs6000-*-aix*) 1225 host_makefile_frag="config/mh-ppc-aix" 1226 ;; 1227esac 1228fi 1229 1230if test "${build}" != "${host}" ; then 1231 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1232 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1233 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1234 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1235 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1236 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1237 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1238 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1239 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1240 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1241 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1242 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1243else 1244 AR_FOR_BUILD="\$(AR)" 1245 AS_FOR_BUILD="\$(AS)" 1246 CC_FOR_BUILD="\$(CC)" 1247 CXX_FOR_BUILD="\$(CXX)" 1248 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1249 GOC_FOR_BUILD="\$(GOC)" 1250 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1251 LD_FOR_BUILD="\$(LD)" 1252 NM_FOR_BUILD="\$(NM)" 1253 RANLIB_FOR_BUILD="\$(RANLIB)" 1254 WINDRES_FOR_BUILD="\$(WINDRES)" 1255 WINDMC_FOR_BUILD="\$(WINDMC)" 1256fi 1257 1258AC_PROG_CC 1259AC_PROG_CXX 1260 1261# We must set the default linker to the linker used by gcc for the correct 1262# operation of libtool. If LD is not defined and we are using gcc, try to 1263# set the LD default to the ld used by gcc. 1264if test -z "$LD"; then 1265 if test "$GCC" = yes; then 1266 case $build in 1267 *-*-mingw*) 1268 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1269 *) 1270 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1271 esac 1272 case $gcc_prog_ld in 1273 # Accept absolute paths. 1274 [[\\/]* | [A-Za-z]:[\\/]*)] 1275 LD="$gcc_prog_ld" ;; 1276 esac 1277 fi 1278fi 1279 1280# Check whether -static-libstdc++ -static-libgcc is supported. 1281have_static_libs=no 1282if test "$GCC" = yes; then 1283 saved_LDFLAGS="$LDFLAGS" 1284 1285 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1286 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1287 AC_LANG_PUSH(C++) 1288 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1289#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1290#error -static-libstdc++ not implemented 1291#endif 1292int main() {}])], 1293 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1294 [AC_MSG_RESULT([no])]) 1295 AC_LANG_POP(C++) 1296 1297 LDFLAGS="$saved_LDFLAGS" 1298fi 1299 1300ACX_PROG_GNAT 1301ACX_PROG_CMP_IGNORE_INITIAL 1302 1303AC_ARG_ENABLE([bootstrap], 1304[AS_HELP_STRING([--enable-bootstrap], 1305 [enable bootstrapping @<:@yes if native build@:>@])],, 1306enable_bootstrap=default) 1307 1308# Issue errors and warnings for invalid/strange bootstrap combinations. 1309if test -r $srcdir/gcc/configure; then 1310 have_compiler=yes 1311else 1312 have_compiler=no 1313fi 1314 1315case "$have_compiler:$host:$target:$enable_bootstrap" in 1316 *:*:*:no) ;; 1317 1318 # Default behavior. Enable bootstrap if we have a compiler 1319 # and we are in a native configuration. 1320 yes:$build:$build:default) 1321 enable_bootstrap=yes ;; 1322 1323 *:*:*:default) 1324 enable_bootstrap=no ;; 1325 1326 # We have a compiler and we are in a native configuration, bootstrap is ok 1327 yes:$build:$build:yes) 1328 ;; 1329 1330 # Other configurations, but we have a compiler. Assume the user knows 1331 # what he's doing. 1332 yes:*:*:yes) 1333 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1334 ;; 1335 1336 # No compiler: if they passed --enable-bootstrap explicitly, fail 1337 no:*:*:yes) 1338 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1339 1340 # Fail if wrong command line 1341 *) 1342 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1343 ;; 1344esac 1345 1346# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1347# C++98 compiler can still start the bootstrap. 1348if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1349 CXX="$CXX -std=gnu++98" 1350fi 1351 1352# Used for setting $lt_cv_objdir 1353_LT_CHECK_OBJDIR 1354 1355# Check for GMP, MPFR and MPC 1356gmplibs="-lmpc -lmpfr -lgmp" 1357gmpinc= 1358have_gmp=no 1359 1360# Specify a location for mpc 1361# check for this first so it ends up on the link line before mpfr. 1362AC_ARG_WITH(mpc, 1363[AS_HELP_STRING([--with-mpc=PATH], 1364 [specify prefix directory for installed MPC package. 1365 Equivalent to --with-mpc-include=PATH/include 1366 plus --with-mpc-lib=PATH/lib])]) 1367AC_ARG_WITH(mpc-include, 1368[AS_HELP_STRING([--with-mpc-include=PATH], 1369 [specify directory for installed MPC include files])]) 1370AC_ARG_WITH(mpc-lib, 1371[AS_HELP_STRING([--with-mpc-lib=PATH], 1372 [specify directory for the installed MPC library])]) 1373 1374if test "x$with_mpc" != x; then 1375 gmplibs="-L$with_mpc/lib $gmplibs" 1376 gmpinc="-I$with_mpc/include $gmpinc" 1377fi 1378if test "x$with_mpc_include" != x; then 1379 gmpinc="-I$with_mpc_include $gmpinc" 1380fi 1381if test "x$with_mpc_lib" != x; then 1382 gmplibs="-L$with_mpc_lib $gmplibs" 1383fi 1384if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1386 gmpinc='-I$$s/mpc/src '"$gmpinc" 1387 # Do not test the mpc version. Assume that it is sufficient, since 1388 # it is in the source tree, and the library has not been built yet 1389 # but it would be included on the link line in the version check below 1390 # hence making the test fail. 1391 have_gmp=yes 1392fi 1393 1394# Specify a location for mpfr 1395# check for this first so it ends up on the link line before gmp. 1396AC_ARG_WITH(mpfr-dir, 1397[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1398[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1399Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1400 1401AC_ARG_WITH(mpfr, 1402[AS_HELP_STRING([--with-mpfr=PATH], 1403 [specify prefix directory for installed MPFR package. 1404 Equivalent to --with-mpfr-include=PATH/include 1405 plus --with-mpfr-lib=PATH/lib])]) 1406AC_ARG_WITH(mpfr-include, 1407[AS_HELP_STRING([--with-mpfr-include=PATH], 1408 [specify directory for installed MPFR include files])]) 1409AC_ARG_WITH(mpfr-lib, 1410[AS_HELP_STRING([--with-mpfr-lib=PATH], 1411 [specify directory for the installed MPFR library])]) 1412 1413if test "x$with_mpfr" != x; then 1414 gmplibs="-L$with_mpfr/lib $gmplibs" 1415 gmpinc="-I$with_mpfr/include $gmpinc" 1416fi 1417if test "x$with_mpfr_include" != x; then 1418 gmpinc="-I$with_mpfr_include $gmpinc" 1419fi 1420if test "x$with_mpfr_lib" != x; then 1421 gmplibs="-L$with_mpfr_lib $gmplibs" 1422fi 1423if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1424 # MPFR v3.1.0 moved the sources into a src sub-directory. 1425 if ! test -d ${srcdir}/mpfr/src; then 1426 AC_MSG_ERROR([dnl 1427Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1428 fi 1429 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1430 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1431 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1432 # Do not test the mpfr version. Assume that it is sufficient, since 1433 # it is in the source tree, and the library has not been built yet 1434 # but it would be included on the link line in the version check below 1435 # hence making the test fail. 1436 have_gmp=yes 1437fi 1438 1439# Specify a location for gmp 1440AC_ARG_WITH(gmp-dir, 1441[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1442[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1443Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1444 1445AC_ARG_WITH(gmp, 1446[AS_HELP_STRING([--with-gmp=PATH], 1447 [specify prefix directory for the installed GMP package. 1448 Equivalent to --with-gmp-include=PATH/include 1449 plus --with-gmp-lib=PATH/lib])]) 1450AC_ARG_WITH(gmp-include, 1451[AS_HELP_STRING([--with-gmp-include=PATH], 1452 [specify directory for installed GMP include files])]) 1453AC_ARG_WITH(gmp-lib, 1454[AS_HELP_STRING([--with-gmp-lib=PATH], 1455 [specify directory for the installed GMP library])]) 1456 1457 1458if test "x$with_gmp" != x; then 1459 gmplibs="-L$with_gmp/lib $gmplibs" 1460 gmpinc="-I$with_gmp/include $gmpinc" 1461fi 1462if test "x$with_gmp_include" != x; then 1463 gmpinc="-I$with_gmp_include $gmpinc" 1464fi 1465if test "x$with_gmp_lib" != x; then 1466 gmplibs="-L$with_gmp_lib $gmplibs" 1467fi 1468if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1469 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1470 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1471 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1472 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1473 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1474 # Do not test the gmp version. Assume that it is sufficient, since 1475 # it is in the source tree, and the library has not been built yet 1476 # but it would be included on the link line in the version check below 1477 # hence making the test fail. 1478 have_gmp=yes 1479fi 1480 1481if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1482 have_gmp=yes 1483 saved_CFLAGS="$CFLAGS" 1484 CFLAGS="$CFLAGS $gmpinc" 1485 # Check for the recommended and required versions of GMP. 1486 AC_MSG_CHECKING([for the correct version of gmp.h]) 1487 AC_TRY_COMPILE([#include "gmp.h"],[ 1488 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1489 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1490 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1491 choke me 1492 #endif 1493 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1494 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1495 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1496 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1497 choke me 1498 #endif 1499 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1500 [AC_MSG_RESULT([no]); have_gmp=no]) 1501 1502 # If we have GMP, check the MPFR version. 1503 if test x"$have_gmp" = xyes; then 1504 # Check for the recommended and required versions of MPFR. 1505 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1506 AC_TRY_COMPILE([#include <gmp.h> 1507 #include <mpfr.h>],[ 1508 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1509 choke me 1510 #endif 1511 ], [AC_TRY_COMPILE([#include <gmp.h> 1512 #include <mpfr.h>],[ 1513 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1514 choke me 1515 #endif 1516 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1517 [AC_MSG_RESULT([no]); have_gmp=no]) 1518 fi 1519 1520 # Check for the MPC header version. 1521 if test x"$have_gmp" = xyes ; then 1522 # Check for the recommended and required versions of MPC. 1523 AC_MSG_CHECKING([for the correct version of mpc.h]) 1524 AC_TRY_COMPILE([#include <mpc.h>],[ 1525 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1526 choke me 1527 #endif 1528 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1529 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1530 choke me 1531 #endif 1532 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1533 [AC_MSG_RESULT([no]); have_gmp=no]) 1534 fi 1535 1536 # Now check the MPFR library. 1537 if test x"$have_gmp" = xyes; then 1538 saved_LIBS="$LIBS" 1539 LIBS="$LIBS $gmplibs" 1540 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1541 AC_TRY_LINK([#include <mpc.h>],[ 1542 mpfr_t n; 1543 mpfr_t x; 1544 mpc_t c; 1545 int t; 1546 mpfr_init (n); 1547 mpfr_init (x); 1548 mpfr_atan2 (n, n, x, GMP_RNDN); 1549 mpfr_erfc (n, x, GMP_RNDN); 1550 mpfr_subnormalize (x, t, GMP_RNDN); 1551 mpfr_clear(n); 1552 mpfr_clear(x); 1553 mpc_init2 (c, 53); 1554 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1555 mpc_cosh (c, c, MPC_RNDNN); 1556 mpc_pow (c, c, c, MPC_RNDNN); 1557 mpc_acosh (c, c, MPC_RNDNN); 1558 mpc_clear (c); 1559 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1560 LIBS="$saved_LIBS" 1561 fi 1562 1563 CFLAGS="$saved_CFLAGS" 1564 1565# The library versions listed in the error message below should match 1566# the HARD-minimums enforced above. 1567 if test x$have_gmp != xyes; then 1568 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1569Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1570their locations. Source code for these libraries can be found at 1571their respective hosting sites as well as at 1572ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1573http://gcc.gnu.org/install/prerequisites.html for additional info. If 1574you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1575make sure that you have installed both the libraries and the header 1576files. They may be located in separate packages.]) 1577 fi 1578fi 1579 1580# Flags needed for both GMP, MPFR and/or MPC. 1581AC_SUBST(gmplibs) 1582AC_SUBST(gmpinc) 1583AC_SUBST(extra_mpfr_configure_flags) 1584AC_SUBST(extra_mpc_gmp_configure_flags) 1585AC_SUBST(extra_mpc_mpfr_configure_flags) 1586AC_SUBST(extra_isl_gmp_configure_flags) 1587 1588# Libraries to use for stage1 or when not bootstrapping. 1589AC_ARG_WITH(stage1-libs, 1590[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1591[if test "$withval" = "no" -o "$withval" = "yes"; then 1592 stage1_libs= 1593 else 1594 stage1_libs=$withval 1595 fi], 1596[stage1_libs=]) 1597AC_SUBST(stage1_libs) 1598 1599# Linker flags to use for stage1 or when not bootstrapping. 1600AC_ARG_WITH(stage1-ldflags, 1601[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1602[if test "$withval" = "no" -o "$withval" = "yes"; then 1603 stage1_ldflags= 1604 else 1605 stage1_ldflags=$withval 1606 fi], 1607[stage1_ldflags= 1608 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1609 # if supported. But if the user explicitly specified the libraries to use, 1610 # trust that they are doing what they want. 1611 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1612 stage1_ldflags="-static-libstdc++ -static-libgcc" 1613 fi]) 1614AC_SUBST(stage1_ldflags) 1615 1616# Libraries to use for stage2 and later builds. 1617AC_ARG_WITH(boot-libs, 1618[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1619[if test "$withval" = "no" -o "$withval" = "yes"; then 1620 poststage1_libs= 1621 else 1622 poststage1_libs=$withval 1623 fi], 1624[poststage1_libs=]) 1625AC_SUBST(poststage1_libs) 1626 1627# Linker flags to use for stage2 and later builds. 1628AC_ARG_WITH(boot-ldflags, 1629[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1630 [linker flags for stage2 and later])], 1631[if test "$withval" = "no" -o "$withval" = "yes"; then 1632 poststage1_ldflags= 1633 else 1634 poststage1_ldflags=$withval 1635 fi], 1636[poststage1_ldflags= 1637 # In stages 2 and 3, default to linking libstdc++ and libgcc 1638 # statically. But if the user explicitly specified the libraries to 1639 # use, trust that they are doing what they want. 1640 if test "$poststage1_libs" = ""; then 1641 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1642 fi]) 1643AC_SUBST(poststage1_ldflags) 1644 1645# GCC GRAPHITE dependency isl. 1646# Basic setup is inlined here, actual checks are in config/isl.m4 1647 1648AC_ARG_WITH(isl, 1649 [AS_HELP_STRING( 1650 [--with-isl=PATH], 1651 [Specify prefix directory for the installed isl package. 1652 Equivalent to --with-isl-include=PATH/include 1653 plus --with-isl-lib=PATH/lib])]) 1654 1655# Treat --without-isl as a request to disable 1656# GRAPHITE support and skip all following checks. 1657if test "x$with_isl" != "xno"; then 1658 # Check for isl 1659 dnl Provide configure switches and initialize islinc & isllibs 1660 dnl with user input. 1661 ISL_INIT_FLAGS 1662 dnl The versions of isl that work for Graphite 1663 ISL_CHECK_VERSION() 1664 dnl Only execute fail-action, if isl has been requested. 1665 ISL_IF_FAILED([ 1666 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1667fi 1668 1669# If the isl check failed, disable builds of in-tree variant of isl 1670if test "x$with_isl" = xno || 1671 test "x$gcc_cv_isl" = xno; then 1672 noconfigdirs="$noconfigdirs isl" 1673 islinc= 1674fi 1675 1676AC_SUBST(isllibs) 1677AC_SUBST(islinc) 1678 1679# Check for LTO support. 1680AC_ARG_ENABLE(lto, 1681[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1682enable_lto=$enableval, 1683enable_lto=yes; default_enable_lto=yes) 1684 1685ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1686 build_lto_plugin=yes 1687],[if test x"$default_enable_lto" = x"yes" ; then 1688 case $target in 1689 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1690 # On other non-ELF platforms, LTO has yet to be validated. 1691 *) enable_lto=no ;; 1692 esac 1693 else 1694 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1695 # It would also be nice to check the binutils support, but we don't 1696 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1697 # warn during gcc/ subconfigure; unless you're bootstrapping with 1698 # -flto it won't be needed until after installation anyway. 1699 case $target in 1700 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1701 *) if test x"$enable_lto" = x"yes"; then 1702 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1703 fi 1704 ;; 1705 esac 1706 fi 1707 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1708 # Build it unless LTO was explicitly disabled. 1709 case $target in 1710 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1711 *) ;; 1712 esac 1713]) 1714 1715AC_ARG_ENABLE(linker-plugin-configure-flags, 1716 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1717 [additional flags for configuring linker plugins @<:@none@:>@])], 1718 extra_linker_plugin_configure_flags=$enableval, 1719 extra_linker_plugin_configure_flags=) 1720AC_SUBST(extra_linker_plugin_configure_flags) 1721AC_ARG_ENABLE(linker-plugin-flags, 1722 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1723 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1724 extra_linker_plugin_flags=$enableval, 1725 extra_linker_plugin_flags=) 1726AC_SUBST(extra_linker_plugin_flags) 1727 1728# Enable --enable-host-shared. 1729# Checked early to determine whether jit is an 'all' language 1730AC_ARG_ENABLE(host-shared, 1731[AS_HELP_STRING([--enable-host-shared], 1732 [build host code as shared libraries])], 1733[host_shared=$enableval], [host_shared=no]) 1734AC_SUBST(host_shared) 1735 1736# By default, C and C++ are the only stage 1 languages. 1737stage1_languages=,c, 1738 1739# Target libraries that we bootstrap. 1740bootstrap_target_libs=,target-libgcc, 1741 1742# Figure out what language subdirectories are present. 1743# Look if the user specified --enable-languages="..."; if not, use 1744# the environment variable $LANGUAGES if defined. $LANGUAGES might 1745# go away some day. 1746# NB: embedded tabs in this IF block -- do not untabify 1747if test -d ${srcdir}/gcc; then 1748 if test x"${enable_languages+set}" != xset; then 1749 if test x"${LANGUAGES+set}" = xset; then 1750 enable_languages="${LANGUAGES}" 1751 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1752 else 1753 enable_languages=default 1754 fi 1755 else 1756 if test x"${enable_languages}" = x || 1757 test x"${enable_languages}" = xyes; 1758 then 1759 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1760 exit 1 1761 fi 1762 fi 1763 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1764 1765 # 'f95' is the old name for the 'fortran' language. We issue a warning 1766 # and make the substitution. 1767 case ,${enable_languages}, in 1768 *,f95,*) 1769 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1770 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1771 ;; 1772 esac 1773 1774 # If bootstrapping, C++ must be enabled. 1775 case ",$enable_languages,:$enable_bootstrap" in 1776 *,c++,*:*) ;; 1777 *:yes) 1778 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1779 enable_languages="${enable_languages},c++" 1780 else 1781 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1782 fi 1783 ;; 1784 esac 1785 1786 # First scan to see if an enabled language requires some other language. 1787 # We assume that a given config-lang.in will list all the language 1788 # front ends it requires, even if some are required indirectly. 1789 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1790 case ${lang_frag} in 1791 ..) ;; 1792 # The odd quoting in the next line works around 1793 # an apparent bug in bash 1.12 on linux. 1794 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1795 *) 1796 # From the config-lang.in, get $language, $lang_requires, and 1797 # $lang_requires_boot_languages. 1798 language= 1799 lang_requires= 1800 lang_requires_boot_languages= 1801 # set srcdir during sourcing lang_frag to the gcc dir. 1802 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1803 # polutes this shell 1804 saved_srcdir=${srcdir} 1805 srcdir=${srcdir}/gcc . ${lang_frag} 1806 srcdir=${saved_srcdir} 1807 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1808 case ,${enable_languages}, in 1809 *,$other,*) ;; 1810 *,default,*) ;; 1811 *,all,*) ;; 1812 *,$language,*) 1813 echo " \`$other' language required by \`$language'; enabling" 1>&2 1814 enable_languages="${enable_languages},${other}" 1815 ;; 1816 esac 1817 done 1818 for other in ${lang_requires_boot_languages} ; do 1819 if test "$other" != "c"; then 1820 case ,${enable_stage1_languages}, in 1821 *,$other,*) ;; 1822 *,default,*) ;; 1823 *,all,*) ;; 1824 *) 1825 case ,${enable_languages}, in 1826 *,$language,*) 1827 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1828 enable_stage1_languages="$enable_stage1_languages,${other}" 1829 ;; 1830 esac 1831 ;; 1832 esac 1833 fi 1834 done 1835 ;; 1836 esac 1837 done 1838 1839 new_enable_languages=,c, 1840 1841 # If LTO is enabled, add the LTO front end. 1842 if test "$enable_lto" = "yes" ; then 1843 case ,${enable_languages}, in 1844 *,lto,*) ;; 1845 *) enable_languages="${enable_languages},lto" ;; 1846 esac 1847 if test "${build_lto_plugin}" = "yes" ; then 1848 configdirs="$configdirs lto-plugin" 1849 fi 1850 fi 1851 1852 # If we're building an offloading compiler, add the LTO front end. 1853 if test x"$enable_as_accelerator_for" != x ; then 1854 case ,${enable_languages}, in 1855 *,lto,*) ;; 1856 *) enable_languages="${enable_languages},lto" ;; 1857 esac 1858 fi 1859 1860 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 1861 potential_languages=,c, 1862 1863 enabled_target_libs= 1864 disabled_target_libs= 1865 1866 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1867 case ${lang_frag} in 1868 ..) ;; 1869 # The odd quoting in the next line works around 1870 # an apparent bug in bash 1.12 on linux. 1871 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1872 *) 1873 # From the config-lang.in, get $language, $target_libs, 1874 # $lang_dirs, $boot_language, and $build_by_default 1875 language= 1876 target_libs= 1877 lang_dirs= 1878 subdir_requires= 1879 boot_language=no 1880 build_by_default=yes 1881 # set srcdir during sourcing. See above about save & restore 1882 saved_srcdir=${srcdir} 1883 srcdir=${srcdir}/gcc . ${lang_frag} 1884 srcdir=${saved_srcdir} 1885 if test x${language} = x; then 1886 echo "${lang_frag} doesn't set \$language." 1>&2 1887 exit 1 1888 fi 1889 1890 if test "$language" = "c++"; then 1891 boot_language=yes 1892 fi 1893 1894 add_this_lang=no 1895 # C is always enabled, so no need to add it again 1896 if test "$language" != "c"; then 1897 case ,${enable_languages}, in 1898 *,${language},*) 1899 # Language was explicitly selected; include it 1900 add_this_lang=yes 1901 ;; 1902 *,all,*) 1903 # All languages are enabled 1904 add_this_lang=all 1905 ;; 1906 *,default,*) 1907 # 'default' was selected, select it if it is a default language 1908 add_this_lang=${build_by_default} 1909 ;; 1910 esac 1911 fi 1912 1913 # Disable languages that need other directories if these aren't available. 1914 for i in $subdir_requires; do 1915 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1916 case ${add_this_lang} in 1917 yes) 1918 # Specifically requested language; tell them. 1919 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1920 ;; 1921 all) 1922 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 1923 add_this_lang=unsupported 1924 ;; 1925 *) 1926 # Silently disable. 1927 add_this_lang=unsupported 1928 ;; 1929 esac 1930 done 1931 1932 # Disable Ada if no preexisting GNAT is available. 1933 case ${add_this_lang}:${language}:${have_gnat} in 1934 yes:ada:no) 1935 # Specifically requested language; tell them. 1936 AC_MSG_ERROR([GNAT is required to build $language]) 1937 ;; 1938 all:ada:no) 1939 AC_MSG_WARN([GNAT is required to build $language]) 1940 add_this_lang=unsupported 1941 ;; 1942 *:ada:no) 1943 # Silently disable. 1944 add_this_lang=unsupported 1945 ;; 1946 esac 1947 1948 # Disable jit if -enable-host-shared not specified 1949 case ${add_this_lang}:${language}:${host_shared} in 1950 yes:jit:no) 1951 # PR jit/64780: explicitly specify --enable-host-shared 1952 AC_MSG_ERROR([ 1953Enabling language "jit" requires --enable-host-shared. 1954 1955--enable-host-shared typically slows the rest of the compiler down by 1956a few %, so you must explicitly enable it. 1957 1958If you want to build both the jit and the regular compiler, it is often 1959best to do this via two separate configure/builds, in separate 1960directories, to avoid imposing the performance cost of 1961--enable-host-shared on the regular compiler.]) 1962 ;; 1963 all:jit:no) 1964 AC_MSG_WARN([--enable-host-shared required to build $language]) 1965 add_this_lang=unsupported 1966 ;; 1967 *:jit:no) 1968 # Silently disable. 1969 add_this_lang=unsupported 1970 ;; 1971 esac 1972 1973 # Disable a language that is unsupported by the target. 1974 case "${add_this_lang}: $unsupported_languages " in 1975 no:*) ;; 1976 unsupported:*) ;; 1977 *:*" $language "*) 1978 AC_MSG_WARN([${language} not supported for this target]) 1979 add_this_lang=unsupported 1980 ;; 1981 esac 1982 1983 case $add_this_lang in 1984 unsupported) 1985 # Remove language-dependent dirs. 1986 disabled_target_libs="$disabled_target_libs $target_libs" 1987 noconfigdirs="$noconfigdirs $lang_dirs" 1988 ;; 1989 no) 1990 # Remove language-dependent dirs; still show language as supported. 1991 disabled_target_libs="$disabled_target_libs $target_libs" 1992 noconfigdirs="$noconfigdirs $lang_dirs" 1993 potential_languages="${potential_languages}${language}," 1994 ;; 1995 all|yes) 1996 new_enable_languages="${new_enable_languages}${language}," 1997 potential_languages="${potential_languages}${language}," 1998 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1999 enabled_target_libs="$enabled_target_libs $target_libs" 2000 case "${boot_language}:,$enable_stage1_languages," in 2001 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2002 # Add to (comma-separated) list of stage 1 languages. 2003 case ",$stage1_languages," in 2004 *,$language,* | ,yes, | ,all,) ;; 2005 *) stage1_languages="${stage1_languages}${language}," ;; 2006 esac 2007 # We need to bootstrap any supporting libraries. 2008 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2009 ;; 2010 esac 2011 ;; 2012 esac 2013 ;; 2014 esac 2015 done 2016 2017 # Add target libraries which are only needed for disabled languages 2018 # to noconfigdirs. 2019 if test -n "$disabled_target_libs"; then 2020 for dir in $disabled_target_libs; do 2021 case " $enabled_target_libs " in 2022 *" ${dir} "*) ;; 2023 *) noconfigdirs="$noconfigdirs $dir" ;; 2024 esac 2025 done 2026 fi 2027 2028 AC_ARG_ENABLE(stage1-languages, 2029 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2030 [choose additional languages to build during 2031 stage1. Mostly useful for compiler development])], 2032 [case ,${enable_stage1_languages}, in 2033 ,no,|,,) 2034 # Set it to something that will have no effect in the loop below 2035 enable_stage1_languages=c ;; 2036 ,yes,) 2037 enable_stage1_languages=`echo $new_enable_languages | \ 2038 sed -e "s/^,//" -e "s/,$//" ` ;; 2039 *,all,*) 2040 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2041 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2042 esac 2043 2044 # Add "good" languages from enable_stage1_languages to stage1_languages, 2045 # while "bad" languages go in missing_languages. Leave no duplicates. 2046 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2047 case $potential_languages in 2048 *,$i,*) 2049 case $stage1_languages in 2050 *,$i,*) ;; 2051 *) stage1_languages="$stage1_languages$i," ;; 2052 esac ;; 2053 *) 2054 case $missing_languages in 2055 *,$i,*) ;; 2056 *) missing_languages="$missing_languages$i," ;; 2057 esac ;; 2058 esac 2059 done]) 2060 2061 # Remove leading/trailing commas that were added for simplicity 2062 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2063 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2064 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2065 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2066 2067 if test "x$missing_languages" != x; then 2068 AC_MSG_ERROR([ 2069The following requested languages could not be built: ${missing_languages} 2070Supported languages are: ${potential_languages}]) 2071 fi 2072 if test "x$new_enable_languages" != "x$enable_languages"; then 2073 echo The following languages will be built: ${new_enable_languages} 2074 enable_languages="$new_enable_languages" 2075 fi 2076 2077 AC_SUBST(stage1_languages) 2078 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2079fi 2080 2081# Handle --disable-<component> generically. 2082for dir in $configdirs $build_configdirs $target_configdirs ; do 2083 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2084 varname=`echo $dirname | sed -e s/+/_/g` 2085 if eval test x\${enable_${varname}} "=" xno ; then 2086 noconfigdirs="$noconfigdirs $dir" 2087 fi 2088done 2089 2090# Check for Boehm's garbage collector 2091AC_ARG_ENABLE(objc-gc, 2092[AS_HELP_STRING([--enable-objc-gc], 2093 [enable use of Boehm's garbage collector with the 2094 GNU Objective-C runtime])]) 2095AC_ARG_WITH([target-bdw-gc], 2096[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2097 [specify prefix directory for installed bdw-gc package. 2098 Equivalent to --with-target-bdw-gc-include=PATH/include 2099 plus --with-target-bdw-gc-lib=PATH/lib])]) 2100AC_ARG_WITH([target-bdw-gc-include], 2101[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2102 [specify directories for installed bdw-gc include files])]) 2103AC_ARG_WITH([target-bdw-gc-lib], 2104[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2105 [specify directories for installed bdw-gc library])]) 2106 2107case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2108 AC_MSG_CHECKING([for bdw garbage collector]) 2109 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2110 dnl no bdw-gw options, assume default locations 2111 AC_MSG_RESULT([using bdw-gc in default locations]) 2112 else 2113 dnl bdw-gw options, first error checking, complete checking in libobjc 2114 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2115 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2116 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2117 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2118 else 2119 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2120 fi 2121 fi 2122esac 2123 2124# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2125case ,${enable_languages}, in 2126 *,c++,*) 2127 # Disable libitm, libsanitizer if we're not building libstdc++ 2128 case "${noconfigdirs}" in 2129 *target-libstdc++-v3*) 2130 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2131 ;; 2132 *) ;; 2133 esac 2134 ;; 2135 *) 2136 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2137 ;; 2138esac 2139 2140# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2141# $build_configdirs and $target_configdirs. 2142# If we have the source for $noconfigdirs entries, add them to $notsupp. 2143 2144notsupp="" 2145for dir in . $skipdirs $noconfigdirs ; do 2146 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2147 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2148 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2149 if test -r $srcdir/$dirname/configure ; then 2150 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2151 true 2152 else 2153 notsupp="$notsupp $dir" 2154 fi 2155 fi 2156 fi 2157 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2158 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2159 if test -r $srcdir/$dirname/configure ; then 2160 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2161 true 2162 else 2163 notsupp="$notsupp $dir" 2164 fi 2165 fi 2166 fi 2167 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2168 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2169 if test -r $srcdir/$dirname/configure ; then 2170 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2171 true 2172 else 2173 notsupp="$notsupp $dir" 2174 fi 2175 fi 2176 fi 2177done 2178 2179# Quietly strip out all directories which aren't configurable in this tree. 2180# This relies on all configurable subdirectories being autoconfiscated, which 2181# is now the case. 2182build_configdirs_all="$build_configdirs" 2183build_configdirs= 2184for i in ${build_configdirs_all} ; do 2185 j=`echo $i | sed -e s/build-//g` 2186 if test -f ${srcdir}/$j/configure ; then 2187 build_configdirs="${build_configdirs} $i" 2188 fi 2189done 2190 2191configdirs_all="$configdirs" 2192configdirs= 2193for i in ${configdirs_all} ; do 2194 if test -f ${srcdir}/$i/configure ; then 2195 configdirs="${configdirs} $i" 2196 fi 2197done 2198 2199target_configdirs_all="$target_configdirs" 2200target_configdirs= 2201for i in ${target_configdirs_all} ; do 2202 j=`echo $i | sed -e s/target-//g` 2203 if test -f ${srcdir}/$j/configure ; then 2204 target_configdirs="${target_configdirs} $i" 2205 fi 2206done 2207 2208# libiberty-linker-plugin is special: it doesn't have its own source directory, 2209# so we have to add it after the preceding checks. 2210if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2211then 2212 case " $configdirs " in 2213 *" libiberty "*) 2214 # If we can build libiberty, we can also build libiberty-linker-plugin. 2215 configdirs="$configdirs libiberty-linker-plugin" 2216 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2217 --with-libiberty=../libiberty-linker-plugin";; 2218 *) 2219 AC_MSG_ERROR([libiberty missing]);; 2220 esac 2221fi 2222 2223# Sometimes we have special requirements for the host libiberty. 2224extra_host_libiberty_configure_flags= 2225extra_host_zlib_configure_flags= 2226case " $configdirs " in 2227 *" lto-plugin "* | *" libcc1 "*) 2228 # When these are to be built as shared libraries, the same applies to 2229 # libiberty. 2230 extra_host_libiberty_configure_flags=--enable-shared 2231 ;; 2232 *" bfd "*) 2233 # When bfd is to be built as a shared library, the same applies to 2234 # zlib. 2235 if test "$enable_shared" = "yes"; then 2236 extra_host_zlib_configure_flags=--enable-host-shared 2237 fi 2238 ;; 2239esac 2240AC_SUBST(extra_host_libiberty_configure_flags) 2241AC_SUBST(extra_host_zlib_configure_flags) 2242 2243# Produce a warning message for the subdirs we can't configure. 2244# This isn't especially interesting in the Cygnus tree, but in the individual 2245# FSF releases, it's important to let people know when their machine isn't 2246# supported by the one or two programs in a package. 2247 2248if test -n "${notsupp}" && test -z "${norecursion}" ; then 2249 # If $appdirs is non-empty, at least one of those directories must still 2250 # be configured, or we error out. (E.g., if the gas release supports a 2251 # specified target in some subdirs but not the gas subdir, we shouldn't 2252 # pretend that all is well.) 2253 if test -n "$appdirs" ; then 2254 for dir in $appdirs ; do 2255 if test -r $dir/Makefile.in ; then 2256 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2257 appdirs="" 2258 break 2259 fi 2260 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2261 appdirs="" 2262 break 2263 fi 2264 fi 2265 done 2266 if test -n "$appdirs" ; then 2267 echo "*** This configuration is not supported by this package." 1>&2 2268 exit 1 2269 fi 2270 fi 2271 # Okay, some application will build, or we don't care to check. Still 2272 # notify of subdirs not getting built. 2273 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2274 echo " ${notsupp}" 1>&2 2275 echo " (Any other directories should still work fine.)" 1>&2 2276fi 2277 2278case "$host" in 2279 *msdosdjgpp*) 2280 enable_gdbtk=no ;; 2281esac 2282 2283# To find our prefix, in gcc_cv_tool_prefix. 2284ACX_TOOL_DIRS 2285 2286copy_dirs= 2287 2288AC_ARG_WITH([build-sysroot], 2289 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2290 [use sysroot as the system root during the build])], 2291 [if test x"$withval" != x ; then 2292 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2293 fi], 2294 [SYSROOT_CFLAGS_FOR_TARGET=]) 2295AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2296 2297AC_ARG_WITH([debug-prefix-map], 2298 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2299 [map A to B, C to D ... in debug information])], 2300 [if test x"$withval" != x; then 2301 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2302 for debug_map in $withval; do 2303 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2304 done 2305 fi], 2306 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2307AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2308 2309# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2310# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2311# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2312# We want to ensure that TARGET libraries (which we know are built with 2313# gcc) are built with "-O2 -g", so include those options when setting 2314# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2315if test "x$CFLAGS_FOR_TARGET" = x; then 2316 if test "x${is_cross_compiler}" = xyes; then 2317 CFLAGS_FOR_TARGET="-g -O2" 2318 else 2319 CFLAGS_FOR_TARGET=$CFLAGS 2320 case " $CFLAGS " in 2321 *" -O2 "*) ;; 2322 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2323 esac 2324 case " $CFLAGS " in 2325 *" -g "* | *" -g3 "*) ;; 2326 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2327 esac 2328 fi 2329fi 2330AC_SUBST(CFLAGS_FOR_TARGET) 2331 2332if test "x$CXXFLAGS_FOR_TARGET" = x; then 2333 if test "x${is_cross_compiler}" = xyes; then 2334 CXXFLAGS_FOR_TARGET="-g -O2" 2335 else 2336 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2337 case " $CXXFLAGS " in 2338 *" -O2 "*) ;; 2339 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2340 esac 2341 case " $CXXFLAGS " in 2342 *" -g "* | *" -g3 "*) ;; 2343 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2344 esac 2345 fi 2346fi 2347AC_SUBST(CXXFLAGS_FOR_TARGET) 2348 2349AC_SUBST(LDFLAGS_FOR_TARGET) 2350 2351# Handle --with-headers=XXX. If the value is not "yes", the contents of 2352# the named directory are copied to $(tooldir)/sys-include. 2353if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2354 if test x${is_cross_compiler} = xno ; then 2355 echo 1>&2 '***' --with-headers is only supported when cross compiling 2356 exit 1 2357 fi 2358 if test x"${with_headers}" != xyes ; then 2359 x=${gcc_cv_tool_prefix} 2360 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2361 fi 2362fi 2363 2364# Handle --with-libs=XXX. If the value is not "yes", the contents of 2365# the name directories are copied to $(tooldir)/lib. Multiple directories 2366# are permitted. 2367if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2368 if test x${is_cross_compiler} = xno ; then 2369 echo 1>&2 '***' --with-libs is only supported when cross compiling 2370 exit 1 2371 fi 2372 if test x"${with_libs}" != xyes ; then 2373 # Copy the libraries in reverse order, so that files in the first named 2374 # library override files in subsequent libraries. 2375 x=${gcc_cv_tool_prefix} 2376 for l in ${with_libs}; do 2377 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2378 done 2379 fi 2380fi 2381 2382# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2383# 2384# This is done by determining whether or not the appropriate directory 2385# is available, and by checking whether or not specific configurations 2386# have requested that this magic not happen. 2387# 2388# The command line options always override the explicit settings in 2389# configure.ac, and the settings in configure.ac override this magic. 2390# 2391# If the default for a toolchain is to use GNU as and ld, and you don't 2392# want to do that, then you should use the --without-gnu-as and 2393# --without-gnu-ld options for the configure script. Similarly, if 2394# the default is to use the included zlib and you don't want to do that, 2395# you should use the --with-system-zlib option for the configure script. 2396 2397if test x${use_gnu_as} = x && 2398 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2399 with_gnu_as=yes 2400 extra_host_args="$extra_host_args --with-gnu-as" 2401fi 2402 2403if test x${use_gnu_ld} = x && 2404 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2405 with_gnu_ld=yes 2406 extra_host_args="$extra_host_args --with-gnu-ld" 2407fi 2408 2409if test x${use_included_zlib} = x && 2410 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2411 : 2412else 2413 with_system_zlib=yes 2414 extra_host_args="$extra_host_args --with-system-zlib" 2415fi 2416 2417# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2418# can detect this case. 2419 2420if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2421 with_newlib=yes 2422 extra_host_args="$extra_host_args --with-newlib" 2423fi 2424 2425# Handle ${copy_dirs} 2426set fnord ${copy_dirs} 2427shift 2428while test $# != 0 ; do 2429 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2430 : 2431 else 2432 echo Copying $1 to $2 2433 2434 # Use the install script to create the directory and all required 2435 # parent directories. 2436 if test -d $2 ; then 2437 : 2438 else 2439 echo >config.temp 2440 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2441 fi 2442 2443 # Copy the directory, assuming we have tar. 2444 # FIXME: Should we use B in the second tar? Not all systems support it. 2445 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2446 2447 # It is the responsibility of the user to correctly adjust all 2448 # symlinks. If somebody can figure out how to handle them correctly 2449 # here, feel free to add the code. 2450 2451 echo $1 > $2/COPIED 2452 fi 2453 shift; shift 2454done 2455 2456# Determine a target-dependent exec_prefix that the installed 2457# gcc will search in. Keep this list sorted by triplet, with 2458# the *-*-osname triplets last. 2459md_exec_prefix= 2460case "${target}" in 2461 i[[34567]]86-pc-msdosdjgpp*) 2462 md_exec_prefix=/dev/env/DJDIR/bin 2463 ;; 2464 *-*-hpux* | \ 2465 *-*-nto-qnx* | \ 2466 *-*-solaris2*) 2467 md_exec_prefix=/usr/ccs/bin 2468 ;; 2469esac 2470 2471extra_arflags_for_target= 2472extra_nmflags_for_target= 2473extra_ranlibflags_for_target= 2474target_makefile_frag=/dev/null 2475case "${target}" in 2476 spu-*-*) 2477 target_makefile_frag="config/mt-spu" 2478 ;; 2479 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2480 target_makefile_frag="config/mt-sde" 2481 ;; 2482 mipsisa*-*-elfoabi*) 2483 target_makefile_frag="config/mt-mips-elfoabi" 2484 ;; 2485 mips*-*-*linux* | mips*-*-gnu*) 2486 target_makefile_frag="config/mt-mips-gnu" 2487 ;; 2488 nios2-*-elf*) 2489 target_makefile_frag="config/mt-nios2-elf" 2490 ;; 2491 *-*-linux-android*) 2492 target_makefile_frag="config/mt-android" 2493 ;; 2494 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2495 target_makefile_frag="config/mt-gnu" 2496 ;; 2497 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2498 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2499 # commands to handle both 32-bit and 64-bit objects. These flags are 2500 # harmless if we're using GNU nm or ar. 2501 extra_arflags_for_target=" -X32_64" 2502 extra_nmflags_for_target=" -B -X32_64" 2503 ;; 2504esac 2505 2506alphaieee_frag=/dev/null 2507case $target in 2508 alpha*-*-*) 2509 # This just makes sure to use the -mieee option to build target libs. 2510 # This should probably be set individually by each library. 2511 alphaieee_frag="config/mt-alphaieee" 2512 ;; 2513esac 2514 2515# If --enable-target-optspace always use -Os instead of -O2 to build 2516# the target libraries, similarly if it is not specified, use -Os 2517# on selected platforms. 2518ospace_frag=/dev/null 2519case "${enable_target_optspace}:${target}" in 2520 yes:*) 2521 ospace_frag="config/mt-ospace" 2522 ;; 2523 :d30v-*) 2524 ospace_frag="config/mt-d30v" 2525 ;; 2526 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2527 ospace_frag="config/mt-ospace" 2528 ;; 2529 no:* | :*) 2530 ;; 2531 *) 2532 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2533 ;; 2534esac 2535 2536# Some systems (e.g., one of the i386-aix systems the gas testers are 2537# using) don't handle "\$" correctly, so don't use it here. 2538tooldir='${exec_prefix}'/${target_noncanonical} 2539build_tooldir=${tooldir} 2540 2541# Create a .gdbinit file which runs the one in srcdir 2542# and tells GDB to look there for source files. 2543 2544if test -r ${srcdir}/.gdbinit ; then 2545 case ${srcdir} in 2546 .) ;; 2547 *) cat > ./.gdbinit <<EOF 2548# ${NO_EDIT} 2549dir ${srcdir} 2550dir . 2551source ${srcdir}/.gdbinit 2552EOF 2553 ;; 2554 esac 2555fi 2556 2557# Make sure that the compiler is able to generate an executable. If it 2558# can't, we are probably in trouble. We don't care whether we can run the 2559# executable--we might be using a cross compiler--we only care whether it 2560# can be created. At this point the main configure script has set CC. 2561we_are_ok=no 2562echo "int main () { return 0; }" > conftest.c 2563${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2564if test $? = 0 ; then 2565 if test -s conftest || test -s conftest.exe ; then 2566 we_are_ok=yes 2567 fi 2568fi 2569case $we_are_ok in 2570 no) 2571 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2572 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2573 rm -f conftest* 2574 exit 1 2575 ;; 2576esac 2577rm -f conftest* 2578 2579# Decide which environment variable is used to find dynamic libraries. 2580case "${host}" in 2581 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2582 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2583 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2584 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2585esac 2586 2587# On systems where the dynamic library environment variable is PATH, 2588# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2589# built executables to PATH. 2590if test "$RPATH_ENVVAR" = PATH; then 2591 GCC_SHLIB_SUBDIR=/shlib 2592else 2593 GCC_SHLIB_SUBDIR= 2594fi 2595 2596# Adjust the toplevel makefile according to whether bootstrap was selected. 2597case $enable_bootstrap in 2598 yes) 2599 bootstrap_suffix=bootstrap 2600 BUILD_CONFIG=bootstrap-debug 2601 ;; 2602 no) 2603 bootstrap_suffix=no-bootstrap 2604 BUILD_CONFIG= 2605 ;; 2606esac 2607 2608AC_MSG_CHECKING(for default BUILD_CONFIG) 2609 2610AC_ARG_WITH([build-config], 2611 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2612 [use config/NAME.mk build configuration])], 2613 [case $with_build_config in 2614 yes) with_build_config= ;; 2615 no) with_build_config= BUILD_CONFIG= ;; 2616 esac]) 2617 2618if test "x${with_build_config}" != x; then 2619 BUILD_CONFIG=$with_build_config 2620else 2621 case $BUILD_CONFIG in 2622 bootstrap-debug) 2623 if echo "int f (void) { return 0; }" > conftest.c && 2624 ${CC} -c conftest.c && 2625 mv conftest.o conftest.o.g0 && 2626 ${CC} -c -g conftest.c && 2627 mv conftest.o conftest.o.g && 2628 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2629 : 2630 else 2631 BUILD_CONFIG= 2632 fi 2633 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2634 ;; 2635 esac 2636fi 2637AC_MSG_RESULT($BUILD_CONFIG) 2638AC_SUBST(BUILD_CONFIG) 2639 2640# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2641AC_MSG_CHECKING([for --enable-vtable-verify]) 2642AC_ARG_ENABLE(vtable-verify, 2643[AS_HELP_STRING([--enable-vtable-verify], 2644 [Enable vtable verification feature])], 2645[case "$enableval" in 2646 yes) enable_vtable_verify=yes ;; 2647 no) enable_vtable_verify=no ;; 2648 *) enable_vtable_verify=no;; 2649 esac], 2650[enable_vtable_verify=no]) 2651AC_MSG_RESULT($enable_vtable_verify) 2652 2653# Record target_configdirs and the configure arguments for target and 2654# build configuration in Makefile. 2655target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2656build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2657bootstrap_fixincludes=no 2658 2659# If we are building libgomp, bootstrap it. 2660if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2661 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2662fi 2663 2664# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2665# or bootstrap-ubsan, bootstrap it. 2666if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2667 case "$BUILD_CONFIG" in 2668 *bootstrap-asan* | *bootstrap-ubsan* ) 2669 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2670 bootstrap_fixincludes=yes 2671 ;; 2672 esac 2673fi 2674 2675# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2676if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2677 test "$enable_vtable_verify" != no; then 2678 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2679fi 2680 2681# Determine whether gdb needs tk/tcl or not. 2682# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2683# and in that case we want gdb to be built without tk. Ugh! 2684# In fact I believe gdb is the *only* package directly dependent on tk, 2685# so we should be able to put the 'maybe's in unconditionally and 2686# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2687# 100% sure that that's safe though. 2688 2689gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2690case "$enable_gdbtk" in 2691 no) 2692 GDB_TK="" ;; 2693 yes) 2694 GDB_TK="${gdb_tk}" ;; 2695 *) 2696 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2697 # distro. Eventually someone will fix this and move Insight, nee 2698 # gdbtk to a separate directory. 2699 if test -d ${srcdir}/gdb/gdbtk ; then 2700 GDB_TK="${gdb_tk}" 2701 else 2702 GDB_TK="" 2703 fi 2704 ;; 2705esac 2706CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2707INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2708 2709# Strip out unwanted targets. 2710 2711# While at that, we remove Makefiles if we were started for recursive 2712# configuration, so that the top-level Makefile reconfigures them, 2713# like we used to do when configure itself was recursive. 2714 2715# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2716# but now we're fixing up the Makefile ourselves with the additional 2717# commands passed to AC_CONFIG_FILES. Use separate variables 2718# extrasub-{build,host,target} not because there is any reason to split 2719# the substitutions up that way, but only to remain below the limit of 2720# 99 commands in a script, for HP-UX sed. 2721# Do not nest @if/@endif pairs, because configure will not warn you at all. 2722 2723case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2724 yes:yes:*\ gold\ *:*,c++,*) ;; 2725 yes:yes:*\ gold\ *:*) 2726 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2727 ;; 2728esac 2729 2730extrasub_build= 2731for module in ${build_configdirs} ; do 2732 if test -z "${no_recursion}" \ 2733 && test -f ${build_subdir}/${module}/Makefile; then 2734 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2735 rm -f ${build_subdir}/${module}/Makefile 2736 fi 2737 extrasub_build="$extrasub_build 2738/^@if build-$module\$/d 2739/^@endif build-$module\$/d 2740/^@if build-$module-$bootstrap_suffix\$/d 2741/^@endif build-$module-$bootstrap_suffix\$/d" 2742done 2743extrasub_host= 2744for module in ${configdirs} ; do 2745 if test -z "${no_recursion}"; then 2746 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2747 if test -f ${file}; then 2748 echo 1>&2 "*** removing ${file} to force reconfigure" 2749 rm -f ${file} 2750 fi 2751 done 2752 fi 2753 case ${module},${bootstrap_fixincludes} in 2754 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2755 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2756 esac 2757 extrasub_host="$extrasub_host 2758/^@if $module\$/d 2759/^@endif $module\$/d 2760/^@if $module-$host_bootstrap_suffix\$/d 2761/^@endif $module-$host_bootstrap_suffix\$/d" 2762done 2763extrasub_target= 2764for module in ${target_configdirs} ; do 2765 if test -z "${no_recursion}" \ 2766 && test -f ${target_subdir}/${module}/Makefile; then 2767 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2768 rm -f ${target_subdir}/${module}/Makefile 2769 fi 2770 2771 # We only bootstrap target libraries listed in bootstrap_target_libs. 2772 case $bootstrap_target_libs in 2773 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2774 *) target_bootstrap_suffix=no-bootstrap ;; 2775 esac 2776 2777 extrasub_target="$extrasub_target 2778/^@if target-$module\$/d 2779/^@endif target-$module\$/d 2780/^@if target-$module-$target_bootstrap_suffix\$/d 2781/^@endif target-$module-$target_bootstrap_suffix\$/d" 2782done 2783 2784# Do the final fixup along with target modules. 2785extrasub_target="$extrasub_target 2786/^@if /,/^@endif /d" 2787 2788# Create the serialization dependencies. This uses a temporary file. 2789 2790AC_ARG_ENABLE([serial-configure], 2791[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2792 [force sequential configuration of 2793 sub-packages for the host, target or build 2794 machine, or all sub-packages])]) 2795 2796case ${enable_serial_configure} in 2797 yes) 2798 enable_serial_build_configure=yes 2799 enable_serial_host_configure=yes 2800 enable_serial_target_configure=yes 2801 ;; 2802esac 2803 2804# These force 'configure's to be done one at a time, to avoid problems 2805# with contention over a shared config.cache. 2806rm -f serdep.tmp 2807echo '# serdep.tmp' > serdep.tmp 2808olditem= 2809test "x${enable_serial_build_configure}" = xyes && 2810for item in ${build_configdirs} ; do 2811 case ${olditem} in 2812 "") ;; 2813 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2814 esac 2815 olditem=${item} 2816done 2817olditem= 2818test "x${enable_serial_host_configure}" = xyes && 2819for item in ${configdirs} ; do 2820 case ${olditem} in 2821 "") ;; 2822 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2823 esac 2824 olditem=${item} 2825done 2826olditem= 2827test "x${enable_serial_target_configure}" = xyes && 2828for item in ${target_configdirs} ; do 2829 case ${olditem} in 2830 "") ;; 2831 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2832 esac 2833 olditem=${item} 2834done 2835serialization_dependencies=serdep.tmp 2836AC_SUBST_FILE(serialization_dependencies) 2837 2838# Base args. Strip norecursion, cache-file, srcdir, host, build, 2839# target, nonopt, and variable assignments. These are the ones we 2840# might not want to pass down to subconfigures. The exception being 2841# --cache-file=/dev/null, which is used to turn off the use of cache 2842# files altogether, and which should be passed on to subconfigures. 2843# Also strip program-prefix, program-suffix, and program-transform-name, 2844# so that we can pass down a consistent program-transform-name. 2845baseargs= 2846tbaseargs= 2847keep_next=no 2848skip_next=no 2849eval "set -- $ac_configure_args" 2850for ac_arg 2851do 2852 if test X"$skip_next" = X"yes"; then 2853 skip_next=no 2854 continue 2855 fi 2856 if test X"$keep_next" = X"yes"; then 2857 case $ac_arg in 2858 *\'*) 2859 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2860 esac 2861 baseargs="$baseargs '$ac_arg'" 2862 tbaseargs="$tbaseargs '$ac_arg'" 2863 keep_next=no 2864 continue 2865 fi 2866 2867 # Handle separated arguments. Based on the logic generated by 2868 # autoconf 2.59. 2869 case $ac_arg in 2870 *=* | --config-cache | -C | -disable-* | --disable-* \ 2871 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2872 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2873 | -with-* | --with-* | -without-* | --without-* | --x) 2874 separate_arg=no 2875 ;; 2876 -*) 2877 separate_arg=yes 2878 ;; 2879 *) 2880 separate_arg=no 2881 ;; 2882 esac 2883 2884 skip_targ=no 2885 case $ac_arg in 2886changequote(,) 2887 --with-* | --without-*) 2888 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2889 2890 case $libopt in 2891 *[-_]include) 2892 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2893 ;; 2894 *[-_]lib) 2895 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2896 ;; 2897 *) 2898 lib=$libopt 2899 ;; 2900 esac 2901changequote([,]) 2902 2903 case $lib in 2904 mpc | mpfr | gmp | isl) 2905 # If we're processing --with-$lib, --with-$lib-include or 2906 # --with-$lib-lib, for one of the libs above, and target is 2907 # different from host, don't pass the current argument to any 2908 # target library's configure. 2909 if test x$is_cross_compiler = xyes; then 2910 skip_targ=yes 2911 fi 2912 ;; 2913 esac 2914 ;; 2915 esac 2916 2917 case "$ac_arg" in 2918 --cache-file=/dev/null | \ 2919 -cache-file=/dev/null ) 2920 # Handled here to avoid the test to skip args below. 2921 baseargs="$baseargs '$ac_arg'" 2922 tbaseargs="$tbaseargs '$ac_arg'" 2923 # Assert: $separate_arg should always be no. 2924 keep_next=$separate_arg 2925 ;; 2926 --no*) 2927 continue 2928 ;; 2929 --c* | \ 2930 --sr* | \ 2931 --ho* | \ 2932 --bu* | \ 2933 --t* | \ 2934 --program-* | \ 2935 -cache_file* | \ 2936 -srcdir* | \ 2937 -host* | \ 2938 -build* | \ 2939 -target* | \ 2940 -program-prefix* | \ 2941 -program-suffix* | \ 2942 -program-transform-name* ) 2943 skip_next=$separate_arg 2944 continue 2945 ;; 2946 -*) 2947 # An option. Add it. 2948 case $ac_arg in 2949 *\'*) 2950 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2951 esac 2952 baseargs="$baseargs '$ac_arg'" 2953 if test X"$skip_targ" = Xno; then 2954 tbaseargs="$tbaseargs '$ac_arg'" 2955 fi 2956 keep_next=$separate_arg 2957 ;; 2958 *) 2959 # Either a variable assignment, or a nonopt (triplet). Don't 2960 # pass it down; let the Makefile handle this. 2961 continue 2962 ;; 2963 esac 2964done 2965# Remove the initial space we just introduced and, as these will be 2966# expanded by make, quote '$'. 2967baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2968 2969# Add in --program-transform-name, after --program-prefix and 2970# --program-suffix have been applied to it. Autoconf has already 2971# doubled dollar signs and backslashes in program_transform_name; we want 2972# the backslashes un-doubled, and then the entire thing wrapped in single 2973# quotes, because this will be expanded first by make and then by the shell. 2974# Also, because we want to override the logic in subdir configure scripts to 2975# choose program_transform_name, replace any s,x,x, with s,y,y,. 2976sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2977${program_transform_name} 2978EOF_SED 2979gcc_transform_name=`cat conftestsed.out` 2980rm -f conftestsed.out 2981baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2982tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 2983if test "$silent" = yes; then 2984 baseargs="$baseargs --silent" 2985 tbaseargs="$tbaseargs --silent" 2986fi 2987baseargs="$baseargs --disable-option-checking" 2988tbaseargs="$tbaseargs --disable-option-checking" 2989 2990# Record and document user additions to sub configure arguments. 2991AC_ARG_VAR([build_configargs], 2992 [additional configure arguments for build directories]) 2993AC_ARG_VAR([host_configargs], 2994 [additional configure arguments for host directories]) 2995AC_ARG_VAR([target_configargs], 2996 [additional configure arguments for target directories]) 2997 2998# For the build-side libraries, we just need to pretend we're native, 2999# and not use the same cache file. Multilibs are neither needed nor 3000# desired. We can't even use the same cache file for all build-side 3001# libraries, as they're compiled differently; some with C, some with 3002# C++ or with different feature-enabling options. 3003build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3004 3005# For host modules, accept cache file option, or specification as blank. 3006case "${cache_file}" in 3007"") # empty 3008 cache_file_option="" ;; 3009/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3010 cache_file_option="--cache-file=${cache_file}" ;; 3011*) # relative path 3012 cache_file_option="--cache-file=../${cache_file}" ;; 3013esac 3014 3015# Host dirs don't like to share a cache file either, horribly enough. 3016# This seems to be due to autoconf 2.5x stupidity. 3017host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3018 3019target_configargs="$target_configargs ${tbaseargs}" 3020 3021# Passing a --with-cross-host argument lets the target libraries know 3022# whether they are being built with a cross-compiler or being built 3023# native. However, it would be better to use other mechanisms to make the 3024# sorts of decisions they want to make on this basis. Please consider 3025# this option to be deprecated. FIXME. 3026if test x${is_cross_compiler} = xyes ; then 3027 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3028fi 3029 3030# Special user-friendly check for native x86_64-linux build, if 3031# multilib is not explicitly enabled. 3032case "$target:$have_compiler:$host:$target:$enable_multilib" in 3033 x86_64-*linux*:yes:$build:$build:) 3034 # Make sure we have a development environment that handles 32-bit 3035 dev64=no 3036 echo "int main () { return 0; }" > conftest.c 3037 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3038 if test $? = 0 ; then 3039 if test -s conftest || test -s conftest.exe ; then 3040 dev64=yes 3041 fi 3042 fi 3043 rm -f conftest* 3044 if test x${dev64} != xyes ; then 3045 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3046 fi 3047 ;; 3048esac 3049 3050# Default to --enable-multilib. 3051if test x${enable_multilib} = x ; then 3052 target_configargs="--enable-multilib ${target_configargs}" 3053fi 3054 3055# Pass --with-newlib if appropriate. Note that target_configdirs has 3056# changed from the earlier setting of with_newlib. 3057if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3058 target_configargs="--with-newlib ${target_configargs}" 3059fi 3060 3061# Different target subdirs use different values of certain variables 3062# (notably CXX). Worse, multilibs use *lots* of different values. 3063# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3064# it doesn't automatically accept command-line overrides of them. 3065# This means it's not safe for target subdirs to share a cache file, 3066# which is disgusting, but there you have it. Hopefully this can be 3067# fixed in future. It's still worthwhile to use a cache file for each 3068# directory. I think. 3069 3070# Pass the appropriate --build, --host, --target and --cache-file arguments. 3071# We need to pass --target, as newer autoconf's requires consistency 3072# for target_alias and gcc doesn't manage it consistently. 3073target_configargs="--cache-file=./config.cache ${target_configargs}" 3074 3075FLAGS_FOR_TARGET= 3076case " $target_configdirs " in 3077 *" newlib "*) 3078 case " $target_configargs " in 3079 *" --with-newlib "*) 3080 case "$target" in 3081 *-cygwin*) 3082 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3083 ;; 3084 esac 3085 3086 # If we're not building GCC, don't discard standard headers. 3087 if test -d ${srcdir}/gcc; then 3088 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3089 3090 if test "${build}" != "${host}"; then 3091 # On Canadian crosses, CC_FOR_TARGET will have already been set 3092 # by `configure', so we won't have an opportunity to add -Bgcc/ 3093 # to it. This is right: we don't want to search that directory 3094 # for binaries, but we want the header files in there, so add 3095 # them explicitly. 3096 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3097 3098 # Someone might think of using the pre-installed headers on 3099 # Canadian crosses, in case the installed compiler is not fully 3100 # compatible with the compiler being built. In this case, it 3101 # would be better to flag an error than risking having 3102 # incompatible object files being constructed. We can't 3103 # guarantee that an error will be flagged, but let's hope the 3104 # compiler will do it, when presented with incompatible header 3105 # files. 3106 fi 3107 fi 3108 3109 case "${target}-${is_cross_compiler}" in 3110 i[[3456789]]86-*-linux*-no) 3111 # Here host == target, so we don't need to build gcc, 3112 # so we don't want to discard standard headers. 3113 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3114 ;; 3115 *) 3116 # If we're building newlib, use its generic headers last, but search 3117 # for any libc-related directories first (so make it the last -B 3118 # switch). 3119 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3120 3121 # If we're building libgloss, find the startup file, simulator library 3122 # and linker script. 3123 case " $target_configdirs " in 3124 *" libgloss "*) 3125 # Look for startup file, simulator library and maybe linker script. 3126 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3127 # Look for libnosys.a in case the target needs it. 3128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3129 # Most targets have the linker script in the source directory. 3130 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3131 ;; 3132 esac 3133 ;; 3134 esac 3135 ;; 3136 esac 3137 ;; 3138esac 3139 3140case "$target" in 3141 x86_64-*mingw* | *-w64-mingw*) 3142 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3143 # however, use a symlink named 'mingw' in ${prefix} . 3144 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3145 ;; 3146 *-mingw*) 3147 # MinGW can't be handled as Cygwin above since it does not use newlib. 3148 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3149 ;; 3150esac 3151 3152# Allow the user to override the flags for 3153# our build compiler if desired. 3154if test x"${build}" = x"${host}" ; then 3155 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3156 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3157 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3158fi 3159 3160# On Canadian crosses, we'll be searching the right directories for 3161# the previously-installed cross compiler, so don't bother to add 3162# flags for directories within the install tree of the compiler 3163# being built; programs in there won't even run. 3164if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3165 # Search for pre-installed headers if nothing else fits. 3166 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3167fi 3168 3169if test "x${use_gnu_ld}" = x && 3170 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3171 # Arrange for us to find uninstalled linker scripts. 3172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3173fi 3174 3175# Search for other target-specific linker scripts and such. 3176case "${target}" in 3177 mep*) 3178 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3179 ;; 3180esac 3181 3182# Makefile fragments. 3183for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3184do 3185 eval fragval=\$$frag 3186 if test $fragval != /dev/null; then 3187 eval $frag=${srcdir}/$fragval 3188 fi 3189done 3190AC_SUBST_FILE(host_makefile_frag) 3191AC_SUBST_FILE(target_makefile_frag) 3192AC_SUBST_FILE(alphaieee_frag) 3193AC_SUBST_FILE(ospace_frag) 3194 3195# Miscellanea: directories, flags, etc. 3196AC_SUBST(RPATH_ENVVAR) 3197AC_SUBST(GCC_SHLIB_SUBDIR) 3198AC_SUBST(tooldir) 3199AC_SUBST(build_tooldir) 3200AC_SUBST(CONFIGURE_GDB_TK) 3201AC_SUBST(GDB_TK) 3202AC_SUBST(INSTALL_GDB_TK) 3203 3204# Build module lists & subconfigure args. 3205AC_SUBST(build_configargs) 3206AC_SUBST(build_configdirs) 3207 3208# Host module lists & subconfigure args. 3209AC_SUBST(host_configargs) 3210AC_SUBST(configdirs) 3211AC_SUBST(target_configdirs) 3212 3213# Target module lists & subconfigure args. 3214AC_SUBST(target_configargs) 3215 3216 3217# Build tools. 3218AC_SUBST(AR_FOR_BUILD) 3219AC_SUBST(AS_FOR_BUILD) 3220AC_SUBST(CC_FOR_BUILD) 3221AC_SUBST(CFLAGS_FOR_BUILD) 3222AC_SUBST(CXXFLAGS_FOR_BUILD) 3223AC_SUBST(CXX_FOR_BUILD) 3224AC_SUBST(DLLTOOL_FOR_BUILD) 3225AC_SUBST(GFORTRAN_FOR_BUILD) 3226AC_SUBST(GOC_FOR_BUILD) 3227AC_SUBST(LDFLAGS_FOR_BUILD) 3228AC_SUBST(LD_FOR_BUILD) 3229AC_SUBST(NM_FOR_BUILD) 3230AC_SUBST(RANLIB_FOR_BUILD) 3231AC_SUBST(WINDMC_FOR_BUILD) 3232AC_SUBST(WINDRES_FOR_BUILD) 3233 3234# Generate default definitions for YACC, M4, LEX and other programs that run 3235# on the build machine. These are used if the Makefile can't locate these 3236# programs in objdir. 3237MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3238 3239AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3240case " $build_configdirs " in 3241 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3242esac 3243 3244AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3245case " $build_configdirs " in 3246 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3247esac 3248 3249AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3250case " $build_configdirs " in 3251 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3252esac 3253 3254AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3255case " $build_configdirs " in 3256 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3257 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3258esac 3259 3260AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3261case " $build_configdirs " in 3262 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3263esac 3264 3265AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3266case " $build_configdirs " in 3267 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3268 *) 3269changequote(,) 3270 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3271 # higher, else we use the "missing" dummy. 3272 if ${MAKEINFO} --version \ 3273 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3274 : 3275 else 3276 MAKEINFO="$MISSING makeinfo" 3277 fi 3278 ;; 3279changequote([,]) 3280esac 3281 3282# FIXME: expect and dejagnu may become build tools? 3283 3284AC_CHECK_PROGS(EXPECT, expect, expect) 3285case " $configdirs " in 3286 *" expect "*) 3287 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3288 ;; 3289esac 3290 3291AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3292case " $configdirs " in 3293 *" dejagnu "*) 3294 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3295 ;; 3296esac 3297 3298 3299# Host tools. 3300NCN_STRICT_CHECK_TOOLS(AR, ar) 3301NCN_STRICT_CHECK_TOOLS(AS, as) 3302NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3303NCN_STRICT_CHECK_TOOLS(LD, ld) 3304NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3305NCN_STRICT_CHECK_TOOLS(NM, nm) 3306NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3307NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3308NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3309NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3310NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3311NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3312NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3313AC_SUBST(CC) 3314AC_SUBST(CXX) 3315AC_SUBST(CFLAGS) 3316AC_SUBST(CXXFLAGS) 3317 3318# Target tools. 3319AC_ARG_WITH([build-time-tools], 3320 [AS_HELP_STRING([--with-build-time-tools=PATH], 3321 [use given path to find target tools during the build])], 3322 [case x"$withval" in 3323 x/*) ;; 3324 *) 3325 with_build_time_tools= 3326 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3327 ;; 3328 esac], 3329 [with_build_time_tools=]) 3330 3331NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3332NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3333NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3334NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3335NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3336 3337ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3338ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3339ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3340ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3341ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3342ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3343ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3344ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3345ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3346ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3347ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3348ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3349ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3350 3351RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3352 3353GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3354GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3355GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3356dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3357GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3358 [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], 3359 c++) 3360GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3361 [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], 3362 c++) 3363GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3364GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3365GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3366 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3367GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3368 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3369GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3370GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3371GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3372GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3373GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3374GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3375GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3376GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3377GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3378GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3379 3380AC_SUBST(FLAGS_FOR_TARGET) 3381AC_SUBST(RAW_CXX_FOR_TARGET) 3382 3383# Certain tools may need extra flags. 3384AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3385RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3386NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3387 3388# When building target libraries, except in a Canadian cross, we use 3389# the same toolchain as the compiler we just built. 3390COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3391COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3392COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3393if test $host = $build; then 3394 case " $configdirs " in 3395 *" gcc "*) 3396 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3397 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3398 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3399 ;; 3400 esac 3401fi 3402 3403AC_SUBST(COMPILER_AS_FOR_TARGET) 3404AC_SUBST(COMPILER_LD_FOR_TARGET) 3405AC_SUBST(COMPILER_NM_FOR_TARGET) 3406 3407AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3408AC_ARG_ENABLE(maintainer-mode, 3409[AS_HELP_STRING([--enable-maintainer-mode], 3410 [enable make rules and dependencies not useful 3411 (and sometimes confusing) to the casual installer])], 3412 USE_MAINTAINER_MODE=$enableval, 3413 USE_MAINTAINER_MODE=no) 3414AC_MSG_RESULT($USE_MAINTAINER_MODE) 3415AC_SUBST(MAINTAINER_MODE_TRUE) 3416AC_SUBST(MAINTAINER_MODE_FALSE) 3417if test "$USE_MAINTAINER_MODE" = yes; then 3418 MAINTAINER_MODE_TRUE= 3419 MAINTAINER_MODE_FALSE='#' 3420else 3421 MAINTAINER_MODE_TRUE='#' 3422 MAINTAINER_MODE_FALSE= 3423fi 3424MAINT=$MAINTAINER_MODE_TRUE 3425AC_SUBST(MAINT)dnl 3426 3427# --------------------- 3428# GCC bootstrap support 3429# --------------------- 3430 3431# Stage specific cflags for build. 3432stage1_cflags="-g" 3433case $build in 3434 vax-*-*) 3435 case ${GCC} in 3436 yes) stage1_cflags="-g -Wa,-J" ;; 3437 *) stage1_cflags="-g -J" ;; 3438 esac ;; 3439esac 3440 3441AC_SUBST(stage1_cflags) 3442 3443# Enable --enable-checking in stage1 of the compiler. 3444AC_ARG_ENABLE(stage1-checking, 3445[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3446 [choose additional checking for stage1 of the compiler])], 3447[stage1_checking=--enable-checking=${enable_stage1_checking}], 3448[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3449 # For --disable-checking or implicit --enable-checking=release, avoid 3450 # setting --enable-checking=gc in the default stage1 checking for LTO 3451 # bootstraps. See PR62077. 3452 case $BUILD_CONFIG in 3453 *lto*) 3454 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3455 *) 3456 stage1_checking=--enable-checking=yes,types;; 3457 esac 3458 if test "x$enable_checking" = x && \ 3459 test -d ${srcdir}/gcc && \ 3460 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3461 stage1_checking=--enable-checking=yes,types,extra 3462 fi 3463else 3464 stage1_checking=--enable-checking=$enable_checking,types 3465fi]) 3466AC_SUBST(stage1_checking) 3467 3468# Enable -Werror in bootstrap stage2 and later. 3469AC_ARG_ENABLE(werror, 3470[AS_HELP_STRING([--enable-werror], 3471 [enable -Werror in bootstrap stage2 and later])], 3472[ 3473case ${enable_werror} in 3474 yes) stage2_werror_flag="--enable-werror-always" ;; 3475 *) stage2_werror_flag="" ;; 3476esac 3477], 3478[ 3479if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3480 case $BUILD_CONFIG in 3481 bootstrap-debug) 3482 stage2_werror_flag="--enable-werror-always" ;; 3483 "") 3484 stage2_werror_flag="--enable-werror-always" ;; 3485 esac 3486fi 3487]) 3488 3489AC_SUBST(stage2_werror_flag) 3490 3491# Specify what files to not compare during bootstrap. 3492 3493compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3494case "$target" in 3495 hppa*64*-*-hpux*) ;; 3496 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3497 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3498esac 3499AC_SUBST(compare_exclusions) 3500 3501AC_CONFIG_FILES([Makefile], 3502 [sed "$extrasub_build" Makefile | 3503 sed "$extrasub_host" | 3504 sed "$extrasub_target" > mf$$ 3505 mv -f mf$$ Makefile], 3506 [extrasub_build="$extrasub_build" 3507 extrasub_host="$extrasub_host" 3508 extrasub_target="$extrasub_target"]) 3509AC_OUTPUT 3510