configure.ac revision 1.12
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# these libraries are built for the target environment, and are built after 146# the host libraries and the host tools (which may be a cross compiler) 147# Note that libiberty is not a target library. 148target_libraries="target-libgcc \ 149 target-libbacktrace \ 150 target-libgloss \ 151 target-newlib \ 152 target-libgomp \ 153 target-libcilkrts \ 154 target-liboffloadmic \ 155 target-libhsail-rt \ 156 target-libatomic \ 157 target-libitm \ 158 target-libstdc++-v3 \ 159 target-libsanitizer \ 160 target-libvtv \ 161 target-libmpx \ 162 target-libssp \ 163 target-libquadmath \ 164 target-libgfortran \ 165 target-libffi \ 166 target-libobjc \ 167 target-libada \ 168 target-libgo" 169 170# these tools are built using the target libraries, and are intended to 171# run only in the target environment 172# 173# note: any program that *uses* libraries that are in the "target_libraries" 174# list belongs in this list. 175# 176target_tools="target-rda" 177 178################################################################################ 179 180## All tools belong in one of the four categories, and are assigned above 181## We assign ${configdirs} this way to remove all embedded newlines. This 182## is important because configure will choke if they ever get through. 183## ${configdirs} is directories we build using the host tools. 184## ${target_configdirs} is directories we build using the target tools. 185configdirs=`echo ${host_libs} ${host_tools}` 186target_configdirs=`echo ${target_libraries} ${target_tools}` 187build_configdirs=`echo ${build_libs} ${build_tools}` 188 189m4_divert_text([PARSE_ARGS], 190[case $srcdir in 191 *" "*) 192m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 193 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 194m4_popdef([AS_MESSAGE_LOG_FD])dnl 195 ;; 196esac 197ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 198]) 199 200################################################################################ 201 202srcname="gnu development package" 203 204# This gets set non-empty for some net releases of packages. 205appdirs="" 206 207# Define is_cross_compiler to save on calls to 'test'. 208is_cross_compiler= 209if test x"${host}" = x"${target}" ; then 210 is_cross_compiler=no 211else 212 is_cross_compiler=yes 213fi 214 215# Find the build and target subdir names. 216GCC_TOPLEV_SUBDIRS 217# Be sure to cover against remnants of an in-tree build. 218if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 220Use a pristine source tree when building in a separate tree]) 221fi 222 223# Skipdirs are removed silently. 224skipdirs= 225# Noconfigdirs are removed loudly. 226noconfigdirs="" 227 228use_gnu_ld= 229# Make sure we don't let GNU ld be added if we didn't want it. 230if test x$with_gnu_ld = xno ; then 231 use_gnu_ld=no 232 noconfigdirs="$noconfigdirs ld gold" 233fi 234 235use_gnu_as= 236# Make sure we don't let GNU as be added if we didn't want it. 237if test x$with_gnu_as = xno ; then 238 use_gnu_as=no 239 noconfigdirs="$noconfigdirs gas" 240fi 241 242use_included_zlib= 243AC_ARG_WITH(system-zlib, 244[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 245# Make sure we don't let ZLIB be added if we didn't want it. 246if test x$with_system_zlib = xyes ; then 247 use_included_zlib=no 248 noconfigdirs="$noconfigdirs zlib" 249fi 250 251# some tools are so dependent upon X11 that if we're not building with X, 252# it's not even worth trying to configure, much less build, that tool. 253 254case ${with_x} in 255 yes | "") ;; # the default value for this tree is that X11 is available 256 no) 257 skipdirs="${skipdirs} tk itcl libgui" 258 # We won't be able to build gdbtk without X. 259 enable_gdbtk=no 260 ;; 261 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 262esac 263 264# Some are only suitable for cross toolchains. 265# Remove these if host=target. 266cross_only="target-libgloss target-newlib target-opcodes" 267 268case $is_cross_compiler in 269 no) skipdirs="${skipdirs} ${cross_only}" ;; 270esac 271 272# If both --with-headers and --with-libs are specified, default to 273# --without-newlib. 274if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 275 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 276 if test x"${with_newlib}" = x ; then 277 with_newlib=no 278 fi 279fi 280 281# Recognize --with-newlib/--without-newlib. 282case ${with_newlib} in 283 no) skipdirs="${skipdirs} target-newlib" ;; 284 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 285esac 286 287AC_ARG_ENABLE(as-accelerator-for, 288[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 289 [build as offload target compiler. 290 Specify offload host triple by ARG])]) 291 292AC_ARG_ENABLE(offload-targets, 293[AS_HELP_STRING([--enable-offload-targets=LIST], 294 [enable offloading to devices from comma-separated LIST of 295 TARGET[=DIR]. Use optional path to find offload target compiler 296 during the build])], 297[ 298 if test x"$enable_offload_targets" = x; then 299 AC_MSG_ERROR([no offload targets specified]) 300 fi 301], [enable_offload_targets=]) 302 303# Handle --enable-gold, --enable-ld. 304# --disable-gold [--enable-ld] 305# Build only ld. Default option. 306# --enable-gold [--enable-ld] 307# Build both gold and ld. Install gold as "ld.gold", install ld 308# as "ld.bfd" and "ld". 309# --enable-gold=default [--enable-ld] 310# Build both gold and ld. Install gold as "ld.gold" and "ld", 311# install ld as "ld.bfd". 312# --enable-gold[=default] --disable-ld 313# Build only gold, which is then installed as both "ld.gold" and "ld". 314# --enable-gold --enable-ld=default 315# Build both gold (installed as "ld.gold") and ld (installed as "ld" 316# and ld.bfd). 317# In other words, ld is default 318# --enable-gold=default --enable-ld=default 319# Error. 320 321default_ld= 322AC_ARG_ENABLE(gold, 323[AS_HELP_STRING([[--enable-gold[=ARG]]], 324 [build gold @<:@ARG={default,yes,no}@:>@])], 325ENABLE_GOLD=$enableval, 326ENABLE_GOLD=no) 327case "${ENABLE_GOLD}" in 328 yes|default) 329 # Check for ELF target. 330 is_elf=no 331 case "${target}" in 332 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 333 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 334 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 335 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 336 case "${target}" in 337 *-*-linux*aout* | *-*-linux*oldld*) 338 ;; 339 *) 340 is_elf=yes 341 ;; 342 esac 343 esac 344 345 if test "$is_elf" = "yes"; then 346 # Check for target supported by gold. 347 case "${target}" in 348 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 349 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 350 configdirs="$configdirs gold" 351 if test x${ENABLE_GOLD} = xdefault; then 352 default_ld=gold 353 fi 354 ENABLE_GOLD=yes 355 ;; 356 esac 357 fi 358 ;; 359 no) 360 ;; 361 *) 362 AC_MSG_ERROR([invalid --enable-gold argument]) 363 ;; 364esac 365 366AC_ARG_ENABLE(ld, 367[AS_HELP_STRING([[--enable-ld[=ARG]]], 368 [build ld @<:@ARG={default,yes,no}@:>@])], 369ENABLE_LD=$enableval, 370ENABLE_LD=yes) 371 372case "${ENABLE_LD}" in 373 default) 374 if test x${default_ld} != x; then 375 AC_MSG_ERROR([either gold or ld can be the default ld]) 376 fi 377 ;; 378 yes) 379 ;; 380 no) 381 if test x${ENABLE_GOLD} != xyes; then 382 AC_MSG_WARN([neither ld nor gold are enabled]) 383 fi 384 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 385 ;; 386 *) 387 AC_MSG_ERROR([invalid --enable-ld argument]) 388 ;; 389esac 390 391# PR gas/19109 392# Decide the default method for compressing debug sections. 393# Provide a configure time option to override our default. 394AC_ARG_ENABLE(compressed_debug_sections, 395[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 396 [Enable compressed debug sections for gas, gold or ld by 397 default])], 398[ 399 if test x"$enable_compressed_debug_sections" = xyes; then 400 AC_MSG_ERROR([no program with compressed debug sections specified]) 401 fi 402], [enable_compressed_debug_sections=]) 403 404# Configure extra directories which are host specific 405 406case "${host}" in 407 *-cygwin*) 408 configdirs="$configdirs libtermcap" ;; 409esac 410 411# A target can indicate whether a language isn't supported for some reason. 412# Only spaces may be used in this macro; not newlines or tabs. 413unsupported_languages= 414 415# Remove more programs from consideration, based on the host or 416# target this usually means that a port of the program doesn't 417# exist yet. 418 419case "${host}" in 420 i[[3456789]]86-*-msdosdjgpp*) 421 noconfigdirs="$noconfigdirs tcl tk itcl" 422 ;; 423esac 424 425 426AC_ARG_ENABLE(libquadmath, 427AS_HELP_STRING([--disable-libquadmath], 428 [do not build libquadmath directory]), 429ENABLE_LIBQUADMATH=$enableval, 430ENABLE_LIBQUADMATH=yes) 431if test "${ENABLE_LIBQUADMATH}" = "no" ; then 432 noconfigdirs="$noconfigdirs target-libquadmath" 433fi 434 435 436AC_ARG_ENABLE(libquadmath-support, 437AS_HELP_STRING([--disable-libquadmath-support], 438 [disable libquadmath support for Fortran]), 439ENABLE_LIBQUADMATH_SUPPORT=$enableval, 440ENABLE_LIBQUADMATH_SUPPORT=yes) 441enable_libquadmath_support= 442if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 443 enable_libquadmath_support=no 444fi 445 446 447AC_ARG_ENABLE(libada, 448[AS_HELP_STRING([--enable-libada], [build libada directory])], 449ENABLE_LIBADA=$enableval, 450ENABLE_LIBADA=yes) 451if test "${ENABLE_LIBADA}" != "yes" ; then 452 noconfigdirs="$noconfigdirs gnattools" 453fi 454 455AC_ARG_ENABLE(libssp, 456[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 457ENABLE_LIBSSP=$enableval, 458ENABLE_LIBSSP=yes) 459 460AC_ARG_ENABLE(libstdcxx, 461AS_HELP_STRING([--disable-libstdcxx], 462 [do not build libstdc++-v3 directory]), 463ENABLE_LIBSTDCXX=$enableval, 464ENABLE_LIBSTDCXX=default) 465[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 466 noconfigdirs="$noconfigdirs target-libstdc++-v3" 467fi] 468 469# If this is accelerator compiler and its target is intelmic we enable 470# target liboffloadmic by default. If this is compiler with offloading 471# for intelmic we enable host liboffloadmic by default. Otherwise 472# liboffloadmic is disabled by default. 473AC_ARG_ENABLE([liboffloadmic], 474AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 475 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 476[case "$enableval" in 477 no | host | target) 478 enable_liboffloadmic=$enableval ;; 479 *) 480 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 481esac], 482[if test x"$enable_as_accelerator_for" != x; then 483 case "${target}" in 484 *-intelmic-* | *-intelmicemul-*) 485 enable_liboffloadmic=target 486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 487 ;; 488 *) 489 enable_liboffloadmic=no 490 ;; 491 esac 492else 493 case "${enable_offload_targets}" in 494 *-intelmic-* | *-intelmicemul-*) 495 enable_liboffloadmic=host 496 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 497 ;; 498 *) 499 enable_liboffloadmic=no 500 ;; 501 esac 502fi]) 503AC_SUBST(extra_liboffloadmic_configure_flags) 504 505# Enable libgomp by default on hosted POSIX systems, and a few others. 506if test x$enable_libgomp = x ; then 507 case "${target}" in 508 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 509 ;; 510 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 511 ;; 512 *-*-solaris2* | *-*-hpux11*) 513 ;; 514 *-*-darwin* | *-*-aix*) 515 ;; 516 nvptx*-*-*) 517 ;; 518 *) 519 noconfigdirs="$noconfigdirs target-libgomp" 520 ;; 521 esac 522fi 523 524# Disable libatomic on unsupported systems. 525if test -d ${srcdir}/libatomic; then 526 if test x$enable_libatomic = x; then 527 AC_MSG_CHECKING([for libatomic support]) 528 if (srcdir=${srcdir}/libatomic; \ 529 . ${srcdir}/configure.tgt; \ 530 test -n "$UNSUPPORTED") 531 then 532 AC_MSG_RESULT([no]) 533 noconfigdirs="$noconfigdirs target-libatomic" 534 else 535 AC_MSG_RESULT([yes]) 536 fi 537 fi 538fi 539 540# Disable libcilkrts on unsupported systems. 541if test -d ${srcdir}/libcilkrts; then 542 if test x$enable_libcilkrts = x; then 543 AC_MSG_CHECKING([for libcilkrts support]) 544 if (srcdir=${srcdir}/libcilkrts; \ 545 . ${srcdir}/configure.tgt; \ 546 test -n "$UNSUPPORTED") 547 then 548 AC_MSG_RESULT([no]) 549 noconfigdirs="$noconfigdirs target-libcilkrts" 550 else 551 AC_MSG_RESULT([yes]) 552 fi 553 fi 554fi 555 556# Disable liboffloadmic on unsupported systems. 557if test -d ${srcdir}/liboffloadmic; then 558 if test x$enable_liboffloadmic != xno; then 559 AC_MSG_CHECKING([for liboffloadmic support]) 560 if (srcdir=${srcdir}/liboffloadmic; \ 561 . ${srcdir}/configure.tgt; \ 562 test -n "$UNSUPPORTED") 563 then 564 AC_MSG_RESULT([no]) 565 noconfigdirs="$noconfigdirs target-liboffloadmic" 566 else 567 AC_MSG_RESULT([yes]) 568 fi 569 fi 570fi 571 572# Disable libitm on unsupported systems. 573if test -d ${srcdir}/libitm; then 574 if test x$enable_libitm = x; then 575 AC_MSG_CHECKING([for libitm support]) 576 if (srcdir=${srcdir}/libitm; \ 577 . ${srcdir}/configure.tgt; \ 578 test -n "$UNSUPPORTED") 579 then 580 AC_MSG_RESULT([no]) 581 noconfigdirs="$noconfigdirs target-libitm" 582 else 583 AC_MSG_RESULT([yes]) 584 fi 585 fi 586fi 587 588# Disable libsanitizer on unsupported systems. 589if test -d ${srcdir}/libsanitizer; then 590 if test x$enable_libsanitizer = x; then 591 AC_MSG_CHECKING([for libsanitizer support]) 592 if (srcdir=${srcdir}/libsanitizer; \ 593 . ${srcdir}/configure.tgt; \ 594 test -n "$UNSUPPORTED") 595 then 596 AC_MSG_RESULT([no]) 597 noconfigdirs="$noconfigdirs target-libsanitizer" 598 else 599 AC_MSG_RESULT([yes]) 600 fi 601 fi 602fi 603 604# Disable libvtv on unsupported systems. 605if test -d ${srcdir}/libvtv; then 606 if test x$enable_libvtv = x; then 607 AC_MSG_CHECKING([for libvtv support]) 608 if (srcdir=${srcdir}/libvtv; \ 609 . ${srcdir}/configure.tgt; \ 610 test "$VTV_SUPPORTED" != "yes") 611 then 612 AC_MSG_RESULT([no]) 613 noconfigdirs="$noconfigdirs target-libvtv" 614 else 615 AC_MSG_RESULT([yes]) 616 fi 617 fi 618fi 619 620 621# Enable libmpx on supported systems by request. 622if test -d ${srcdir}/libmpx; then 623 if test x$enable_libmpx = x; then 624 AC_MSG_CHECKING([for libmpx support]) 625 if (srcdir=${srcdir}/libmpx; \ 626 . ${srcdir}/configure.tgt; \ 627 test "$LIBMPX_SUPPORTED" != "yes") 628 then 629 AC_MSG_RESULT([no]) 630 noconfigdirs="$noconfigdirs target-libmpx" 631 else 632 AC_MSG_RESULT([yes]) 633 fi 634 fi 635fi 636 637# Disable libhsail-rt on unsupported systems. 638if test -d ${srcdir}/libhsail-rt; then 639 if test x$enable_libhsail_rt = x; then 640 AC_MSG_CHECKING([for libhsail-rt support]) 641 if (srcdir=${srcdir}/libhsail-rt; \ 642 . ${srcdir}/configure.tgt; \ 643 test -n "$UNSUPPORTED") 644 then 645 AC_MSG_RESULT([no]) 646 unsupported_languages="$unsupported_languages brig" 647 # This implicitly disables also target-libhsail-rt as it won't 648 # get added to the build without BRIG FE. 649 else 650 AC_MSG_RESULT([yes]) 651 fi 652 fi 653fi 654 655 656# Disable libquadmath for some systems. 657case "${target}" in 658 avr-*-*) 659 noconfigdirs="$noconfigdirs target-libquadmath" 660 ;; 661 # libquadmath is unused on AIX and libquadmath build process use of 662 # LD_LIBRARY_PATH can break AIX bootstrap. 663 powerpc-*-aix* | rs6000-*-aix*) 664 noconfigdirs="$noconfigdirs target-libquadmath" 665 ;; 666esac 667 668# Disable libssp for some systems. 669case "${target}" in 670 avr-*-*) 671 # No hosted I/O support. 672 noconfigdirs="$noconfigdirs target-libssp" 673 ;; 674 powerpc-*-aix* | rs6000-*-aix*) 675 noconfigdirs="$noconfigdirs target-libssp" 676 ;; 677 rl78-*-*) 678 # libssp uses a misaligned load to trigger a fault, but the RL78 679 # doesn't fault for those - instead, it gives a build-time error 680 # for explicit misaligned loads. 681 noconfigdirs="$noconfigdirs target-libssp" 682 ;; 683 visium-*-*) 684 # No hosted I/O support. 685 noconfigdirs="$noconfigdirs target-libssp" 686 ;; 687esac 688 689# Disable libstdc++-v3 for some systems. 690# Allow user to override this if they pass --enable-libstdc++-v3 691if test "${ENABLE_LIBSTDCXX}" = "default" ; then 692 case "${target}" in 693 *-*-vxworks*) 694 # VxWorks uses the Dinkumware C++ library. 695 noconfigdirs="$noconfigdirs target-libstdc++-v3" 696 ;; 697 arm*-wince-pe*) 698 # the C++ libraries don't build on top of CE's C libraries 699 noconfigdirs="$noconfigdirs target-libstdc++-v3" 700 ;; 701 avr-*-*) 702 noconfigdirs="$noconfigdirs target-libstdc++-v3" 703 ;; 704 ft32-*-*) 705 noconfigdirs="$noconfigdirs target-libstdc++-v3" 706 ;; 707 esac 708fi 709 710# Disable Fortran for some systems. 711case "${target}" in 712 mmix-*-*) 713 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 714 unsupported_languages="$unsupported_languages fortran" 715 ;; 716esac 717 718# Disable libffi for some systems. 719case "${target}" in 720 powerpc-*-darwin*) 721 ;; 722 i[[3456789]]86-*-darwin*) 723 ;; 724 x86_64-*-darwin[[912]]*) 725 ;; 726 *-*-darwin*) 727 noconfigdirs="$noconfigdirs target-libffi" 728 ;; 729 *-*-netware*) 730 noconfigdirs="$noconfigdirs target-libffi" 731 ;; 732 *-*-phoenix*) 733 noconfigdirs="$noconfigdirs target-libffi" 734 ;; 735 *-*-rtems*) 736 noconfigdirs="$noconfigdirs target-libffi" 737 ;; 738 *-*-tpf*) 739 noconfigdirs="$noconfigdirs target-libffi" 740 ;; 741 *-*-uclinux*) 742 noconfigdirs="$noconfigdirs target-libffi" 743 ;; 744 *-*-vxworks*) 745 noconfigdirs="$noconfigdirs target-libffi" 746 ;; 747 aarch64*-*-freebsd*) 748 noconfigdirs="$noconfigdirs target-libffi" 749 ;; 750 alpha*-*-*vms*) 751 noconfigdirs="$noconfigdirs target-libffi" 752 ;; 753 arm*-*-freebsd*) 754 noconfigdirs="$noconfigdirs target-libffi" 755 ;; 756 arm-wince-pe) 757 noconfigdirs="$noconfigdirs target-libffi" 758 ;; 759 arm*-*-symbianelf*) 760 noconfigdirs="$noconfigdirs target-libffi" 761 ;; 762 cris-*-* | crisv32-*-*) 763 case "${target}" in 764 *-*-linux*) 765 ;; 766 *) # See PR46792 regarding target-libffi. 767 noconfigdirs="$noconfigdirs target-libffi";; 768 esac 769 ;; 770 hppa*64*-*-hpux*) 771 noconfigdirs="$noconfigdirs target-libffi" 772 ;; 773 hppa*-hp-hpux11*) 774 ;; 775 hppa*-*-hpux*) 776 noconfigdirs="$noconfigdirs target-libffi" 777 ;; 778 ia64*-*-*vms*) 779 noconfigdirs="$noconfigdirs target-libffi" 780 ;; 781 i[[3456789]]86-w64-mingw*) 782 noconfigdirs="$noconfigdirs target-libffi" 783 ;; 784 i[[3456789]]86-*-mingw*) 785 noconfigdirs="$noconfigdirs target-libffi" 786 ;; 787 x86_64-*-mingw*) 788 noconfigdirs="$noconfigdirs target-libffi" 789 ;; 790 mmix-*-*) 791 noconfigdirs="$noconfigdirs target-libffi" 792 ;; 793 powerpc-*-aix*) 794 # copied from rs6000-*-* entry 795 noconfigdirs="$noconfigdirs target-libffi" 796 ;; 797 rs6000-*-aix*) 798 noconfigdirs="$noconfigdirs target-libffi" 799 ;; 800 ft32-*-*) 801 noconfigdirs="$noconfigdirs target-libffi" 802 ;; 803 *-*-lynxos*) 804 noconfigdirs="$noconfigdirs target-libffi" 805 ;; 806esac 807 808# Disable the go frontend on systems where it is known to not work. Please keep 809# this in sync with contrib/config-list.mk. 810case "${target}" in 811*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 812 unsupported_languages="$unsupported_languages go" 813 ;; 814esac 815 816# Disable libgo for some systems where it is known to not work. 817# For testing, you can easily override this with --enable-libgo. 818if test x$enable_libgo = x; then 819 case "${target}" in 820 *-*-darwin*) 821 # PR 46986 822 noconfigdirs="$noconfigdirs target-libgo" 823 ;; 824 *-*-cygwin* | *-*-mingw*) 825 noconfigdirs="$noconfigdirs target-libgo" 826 ;; 827 *-*-aix*) 828 noconfigdirs="$noconfigdirs target-libgo" 829 ;; 830 esac 831fi 832 833# Default libgloss CPU subdirectory. 834libgloss_dir="$target_cpu" 835 836case "${target}" in 837 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 838 libgloss_dir=wince 839 ;; 840 aarch64*-*-* ) 841 libgloss_dir=aarch64 842 ;; 843 arm*-*-*) 844 libgloss_dir=arm 845 ;; 846 cris-*-* | crisv32-*-*) 847 libgloss_dir=cris 848 ;; 849 hppa*-*-*) 850 libgloss_dir=pa 851 ;; 852 i[[3456789]]86-*-*) 853 libgloss_dir=i386 854 ;; 855 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 856 libgloss_dir=m68hc11 857 ;; 858 m68*-*-* | fido-*-*) 859 libgloss_dir=m68k 860 ;; 861 mips*-*-*) 862 libgloss_dir=mips 863 ;; 864 powerpc*-*-*) 865 libgloss_dir=rs6000 866 ;; 867 sparc*-*-*) 868 libgloss_dir=sparc 869 ;; 870esac 871 872# Disable newlib and libgloss for various target OSes. 873case "${target}" in 874 alpha*-dec-osf*) 875 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 876 ;; 877 i[[3456789]]86-*-linux*) 878 # This section makes it possible to build newlib natively on linux. 879 # If we are using a cross compiler then don't configure newlib. 880 if test x${is_cross_compiler} != xno ; then 881 noconfigdirs="$noconfigdirs target-newlib" 882 fi 883 noconfigdirs="$noconfigdirs target-libgloss" 884 # If we are not using a cross compiler, do configure newlib. 885 # Note however, that newlib will only be configured in this situation 886 # if the --with-newlib option has been given, because otherwise 887 # 'target-newlib' will appear in skipdirs. 888 ;; 889 i[[3456789]]86-*-rdos*) 890 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 891 ;; 892 sh*-*-pe|mips*-*-pe|arm-wince-pe) 893 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 894 ;; 895 sparc-*-sunos4*) 896 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 897 ;; 898 *-*-aix*) 899 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 900 ;; 901 *-*-beos*) 902 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 903 ;; 904 *-*-chorusos) 905 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 906 ;; 907 *-*-dragonfly*) 908 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 909 ;; 910 *-*-freebsd*) 911 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 912 ;; 913 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 914 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 915 ;; 916 *-*-lynxos*) 917 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 918 ;; 919 *-*-mingw*) 920 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 921 ;; 922 *-*-netbsd*) 923 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 924 ;; 925 *-*-netware*) 926 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 927 ;; 928 *-*-tpf*) 929 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 930 ;; 931 *-*-uclinux*) 932 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 933 ;; 934 *-*-vxworks*) 935 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 936 ;; 937esac 938 939case "${target}" in 940 *-*-chorusos) 941 ;; 942 aarch64-*-darwin*) 943 noconfigdirs="$noconfigdirs ld gas gdb gprof" 944 noconfigdirs="$noconfigdirs sim target-rda" 945 ;; 946 arm-*-darwin*) 947 noconfigdirs="$noconfigdirs ld gas gdb gprof" 948 noconfigdirs="$noconfigdirs sim target-rda" 949 ;; 950 powerpc-*-darwin*) 951 noconfigdirs="$noconfigdirs ld gas gdb gprof" 952 noconfigdirs="$noconfigdirs sim target-rda" 953 ;; 954 i[[3456789]]86-*-darwin*) 955 noconfigdirs="$noconfigdirs ld gprof" 956 noconfigdirs="$noconfigdirs sim target-rda" 957 ;; 958 x86_64-*-darwin[[912]]*) 959 noconfigdirs="$noconfigdirs ld gas gprof" 960 noconfigdirs="$noconfigdirs sim target-rda" 961 ;; 962 *-*-darwin*) 963 noconfigdirs="$noconfigdirs ld gas gdb gprof" 964 noconfigdirs="$noconfigdirs sim target-rda" 965 ;; 966 *-*-dragonfly*) 967 ;; 968 *-*-freebsd*) 969 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 970 && test -f /usr/local/include/gmp.h; then 971 with_gmp=/usr/local 972 fi 973 ;; 974 *-*-kaos*) 975 # Remove unsupported stuff on all kaOS configurations. 976 noconfigdirs="$noconfigdirs target-libgloss" 977 ;; 978 *-*-netbsd*) 979 ;; 980 *-*-netware*) 981 ;; 982 *-*-phoenix*) 983 noconfigdirs="$noconfigdirs target-libgloss" 984 ;; 985 *-*-rtems*) 986 noconfigdirs="$noconfigdirs target-libgloss" 987 # this is not caught below because this stanza matches earlier 988 case $target in 989 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 990 esac 991 ;; 992 # The tpf target doesn't support gdb yet. 993 *-*-tpf*) 994 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 995 ;; 996 *-*-uclinux*) 997 noconfigdirs="$noconfigdirs target-rda" 998 ;; 999 *-*-vxworks*) 1000 ;; 1001 alpha*-dec-osf*) 1002 # ld works, but does not support shared libraries. 1003 # gas doesn't generate exception information. 1004 noconfigdirs="$noconfigdirs gas ld" 1005 ;; 1006 alpha*-*-*vms*) 1007 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1008 ;; 1009 alpha*-*-*) 1010 # newlib is not 64 bit ready 1011 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1012 ;; 1013 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1014 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1015 ;; 1016 arc*-*-*) 1017 noconfigdirs="$noconfigdirs sim" 1018 ;; 1019 arm-*-pe*) 1020 noconfigdirs="$noconfigdirs target-libgloss" 1021 ;; 1022 arm-*-riscix*) 1023 noconfigdirs="$noconfigdirs ld target-libgloss" 1024 ;; 1025 avr-*-*) 1026 if test x${with_avrlibc} != xno; then 1027 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1028 fi 1029 ;; 1030 c4x-*-* | tic4x-*-*) 1031 noconfigdirs="$noconfigdirs target-libgloss" 1032 ;; 1033 tic54x-*-*) 1034 noconfigdirs="$noconfigdirs target-libgloss gdb" 1035 ;; 1036 d10v-*-*) 1037 noconfigdirs="$noconfigdirs target-libgloss" 1038 ;; 1039 d30v-*-*) 1040 noconfigdirs="$noconfigdirs gdb" 1041 ;; 1042 fr30-*-elf*) 1043 noconfigdirs="$noconfigdirs gdb" 1044 ;; 1045 ft32-*-*) 1046 noconfigdirs="$noconfigdirs target-rda gprof" 1047 ;; 1048 moxie-*-*) 1049 noconfigdirs="$noconfigdirs" 1050 ;; 1051 h8300*-*-*) 1052 noconfigdirs="$noconfigdirs target-libgloss" 1053 ;; 1054 h8500-*-*) 1055 noconfigdirs="$noconfigdirs target-libgloss" 1056 ;; 1057 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1058 ;; 1059 hppa*64*-*-hpux*) 1060 noconfigdirs="$noconfigdirs gdb" 1061 ;; 1062 hppa*-*-hpux11*) 1063 noconfigdirs="$noconfigdirs gdb ld" 1064 ;; 1065 hppa*64*-*-linux*) 1066 ;; 1067 hppa*-*-linux*) 1068 ;; 1069 hppa*-*-*elf* | \ 1070 hppa*-*-lites* | \ 1071 hppa*-*-openbsd* | \ 1072 hppa*64*-*-*) 1073 ;; 1074 hppa*-*-pro*) 1075 ;; 1076 hppa*-*-*) 1077 noconfigdirs="$noconfigdirs ld" 1078 ;; 1079 i960-*-*) 1080 noconfigdirs="$noconfigdirs gdb" 1081 ;; 1082 ia64*-*-elf*) 1083 # No gdb support yet. 1084 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1085 ;; 1086 ia64*-**-hpux*) 1087 # No ld support yet. 1088 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1089 ;; 1090 ia64*-*-*vms*) 1091 # No ld support yet. 1092 noconfigdirs="$noconfigdirs libgui itcl ld" 1093 ;; 1094 i[[3456789]]86-w64-mingw*) 1095 ;; 1096 i[[3456789]]86-*-mingw*) 1097 target_configdirs="$target_configdirs target-winsup" 1098 ;; 1099 *-*-cygwin*) 1100 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 # always build newlib if winsup directory is present. 1103 if test -d "$srcdir/winsup/cygwin"; then 1104 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1105 elif test -d "$srcdir/newlib"; then 1106 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1107 fi 1108 ;; 1109 i[[3456789]]86-*-pe) 1110 noconfigdirs="$noconfigdirs target-libgloss" 1111 ;; 1112 i[[3456789]]86-*-sco3.2v5*) 1113 # The linker does not yet know about weak symbols in COFF, 1114 # and is not configured to handle mixed ELF and COFF. 1115 noconfigdirs="$noconfigdirs ld target-libgloss" 1116 ;; 1117 i[[3456789]]86-*-sco*) 1118 noconfigdirs="$noconfigdirs gprof target-libgloss" 1119 ;; 1120 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1121 noconfigdirs="$noconfigdirs target-libgloss" 1122 ;; 1123 i[[3456789]]86-*-sysv4*) 1124 noconfigdirs="$noconfigdirs target-libgloss" 1125 ;; 1126 i[[3456789]]86-*-beos*) 1127 noconfigdirs="$noconfigdirs gdb" 1128 ;; 1129 i[[3456789]]86-*-rdos*) 1130 noconfigdirs="$noconfigdirs gdb" 1131 ;; 1132 mmix-*-*) 1133 noconfigdirs="$noconfigdirs gdb" 1134 ;; 1135 mt-*-*) 1136 noconfigdirs="$noconfigdirs sim" 1137 ;; 1138 powerpc-*-aix*) 1139 # copied from rs6000-*-* entry 1140 noconfigdirs="$noconfigdirs gprof" 1141 ;; 1142 powerpc*-*-winnt* | powerpc*-*-pe*) 1143 target_configdirs="$target_configdirs target-winsup" 1144 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1145 # always build newlib. 1146 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1147 ;; 1148 # This is temporary until we can link against shared libraries 1149 powerpcle-*-solaris*) 1150 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1151 ;; 1152 powerpc-*-beos*) 1153 noconfigdirs="$noconfigdirs gdb" 1154 ;; 1155 rs6000-*-lynxos*) 1156 noconfigdirs="$noconfigdirs gprof" 1157 ;; 1158 rs6000-*-aix*) 1159 noconfigdirs="$noconfigdirs gprof" 1160 ;; 1161 rs6000-*-*) 1162 noconfigdirs="$noconfigdirs gprof" 1163 ;; 1164 m68k-apollo-*) 1165 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1166 ;; 1167 microblaze*) 1168 noconfigdirs="$noconfigdirs gprof" 1169 ;; 1170 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1171 if test x$with_newlib = xyes; then 1172 noconfigdirs="$noconfigdirs gprof" 1173 fi 1174 ;; 1175 mips*-*-irix5*) 1176 noconfigdirs="$noconfigdirs gprof target-libgloss" 1177 ;; 1178 mips*-*-irix6*) 1179 noconfigdirs="$noconfigdirs gprof target-libgloss" 1180 ;; 1181 mips*-*-bsd*) 1182 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1183 ;; 1184 mips*-*-linux*) 1185 ;; 1186 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1187 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1188 noconfigdirs="$noconfigdirs ld gas gprof" 1189 ;; 1190 mips*-*-*) 1191 noconfigdirs="$noconfigdirs gprof" 1192 ;; 1193 nvptx*-*-*) 1194 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1195 ;; 1196 or1k*-*-*) 1197 noconfigdirs="$noconfigdirs gdb" 1198 ;; 1199 sh-*-*) 1200 case "${target}" in 1201 sh*-*-elf) 1202 ;; 1203 *) 1204 noconfigdirs="$noconfigdirs target-libgloss" ;; 1205 esac 1206 ;; 1207 sparc-*-sunos4*) 1208 if test x${is_cross_compiler} = xno ; then 1209 use_gnu_ld=no 1210 fi 1211 ;; 1212 tic6x-*-*) 1213 noconfigdirs="$noconfigdirs sim" 1214 ;; 1215 tilepro*-*-* | tilegx*-*-*) 1216 noconfigdirs="$noconfigdirs sim" 1217 ;; 1218 v810-*-*) 1219 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1220 ;; 1221 vax-*-*) 1222 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1223 ;; 1224esac 1225 1226# If we aren't building newlib, then don't build libgloss, since libgloss 1227# depends upon some newlib header files. 1228case "${noconfigdirs}" in 1229 *target-libgloss*) ;; 1230 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1231esac 1232 1233# Work in distributions that contain no compiler tools, like Autoconf. 1234host_makefile_frag=/dev/null 1235if test -d ${srcdir}/config ; then 1236case "${host}" in 1237 i[[3456789]]86-*-msdosdjgpp*) 1238 host_makefile_frag="config/mh-djgpp" 1239 ;; 1240 *-cygwin*) 1241 ACX_CHECK_CYGWIN_CAT_WORKS 1242 host_makefile_frag="config/mh-cygwin" 1243 ;; 1244 *-mingw*) 1245 host_makefile_frag="config/mh-mingw" 1246 ;; 1247 alpha*-linux*) 1248 host_makefile_frag="config/mh-alpha-linux" 1249 ;; 1250 hppa*-hp-hpux10*) 1251 host_makefile_frag="config/mh-pa-hpux10" 1252 ;; 1253 hppa*-hp-hpux*) 1254 host_makefile_frag="config/mh-pa" 1255 ;; 1256 hppa*-*) 1257 host_makefile_frag="config/mh-pa" 1258 ;; 1259 *-*-darwin*) 1260 host_makefile_frag="config/mh-darwin" 1261 ;; 1262 powerpc-*-aix*) 1263 host_makefile_frag="config/mh-ppc-aix" 1264 ;; 1265 rs6000-*-aix*) 1266 host_makefile_frag="config/mh-ppc-aix" 1267 ;; 1268esac 1269fi 1270 1271if test "${build}" != "${host}" ; then 1272 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1273 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1274 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1275 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1276 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1277 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1278 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1279 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1280 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1281 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1282 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1283 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1284else 1285 AR_FOR_BUILD="\$(AR)" 1286 AS_FOR_BUILD="\$(AS)" 1287 CC_FOR_BUILD="\$(CC)" 1288 CXX_FOR_BUILD="\$(CXX)" 1289 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1290 GOC_FOR_BUILD="\$(GOC)" 1291 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1292 LD_FOR_BUILD="\$(LD)" 1293 NM_FOR_BUILD="\$(NM)" 1294 RANLIB_FOR_BUILD="\$(RANLIB)" 1295 WINDRES_FOR_BUILD="\$(WINDRES)" 1296 WINDMC_FOR_BUILD="\$(WINDMC)" 1297fi 1298 1299AC_PROG_CC 1300AC_PROG_CXX 1301 1302# We must set the default linker to the linker used by gcc for the correct 1303# operation of libtool. If LD is not defined and we are using gcc, try to 1304# set the LD default to the ld used by gcc. 1305if test -z "$LD"; then 1306 if test "$GCC" = yes; then 1307 case $build in 1308 *-*-mingw*) 1309 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1310 *) 1311 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1312 esac 1313 case $gcc_prog_ld in 1314 # Accept absolute paths. 1315 [[\\/]* | [A-Za-z]:[\\/]*)] 1316 LD="$gcc_prog_ld" ;; 1317 esac 1318 fi 1319fi 1320 1321# Check whether -static-libstdc++ -static-libgcc is supported. 1322have_static_libs=no 1323if test "$GCC" = yes; then 1324 saved_LDFLAGS="$LDFLAGS" 1325 1326 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1327 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1328 AC_LANG_PUSH(C++) 1329 AC_LINK_IFELSE([ 1330#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1331#error -static-libstdc++ not implemented 1332#endif 1333int main() {}], 1334 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1335 [AC_MSG_RESULT([no])]) 1336 AC_LANG_POP(C++) 1337 1338 LDFLAGS="$saved_LDFLAGS" 1339fi 1340 1341ACX_PROG_GNAT 1342ACX_PROG_CMP_IGNORE_INITIAL 1343 1344AC_ARG_ENABLE([bootstrap], 1345[AS_HELP_STRING([--enable-bootstrap], 1346 [enable bootstrapping @<:@yes if native build@:>@])],, 1347enable_bootstrap=default) 1348 1349# Issue errors and warnings for invalid/strange bootstrap combinations. 1350if test -r $srcdir/gcc/configure; then 1351 have_compiler=yes 1352else 1353 have_compiler=no 1354fi 1355 1356case "$have_compiler:$host:$target:$enable_bootstrap" in 1357 *:*:*:no) ;; 1358 1359 # Default behavior. Enable bootstrap if we have a compiler 1360 # and we are in a native configuration. 1361 yes:$build:$build:default) 1362 enable_bootstrap=yes ;; 1363 1364 *:*:*:default) 1365 enable_bootstrap=no ;; 1366 1367 # We have a compiler and we are in a native configuration, bootstrap is ok 1368 yes:$build:$build:yes) 1369 ;; 1370 1371 # Other configurations, but we have a compiler. Assume the user knows 1372 # what he's doing. 1373 yes:*:*:yes) 1374 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1375 ;; 1376 1377 # No compiler: if they passed --enable-bootstrap explicitly, fail 1378 no:*:*:yes) 1379 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1380 1381 # Fail if wrong command line 1382 *) 1383 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1384 ;; 1385esac 1386 1387# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1388# C++98 compiler can still start the bootstrap. 1389if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1390 CXX="$CXX -std=gnu++98" 1391fi 1392 1393# Used for setting $lt_cv_objdir 1394_LT_CHECK_OBJDIR 1395 1396# Check for GMP, MPFR and MPC 1397gmplibs="-lmpc -lmpfr -lgmp" 1398gmpinc= 1399have_gmp=no 1400 1401# Specify a location for mpc 1402# check for this first so it ends up on the link line before mpfr. 1403AC_ARG_WITH(mpc, 1404[AS_HELP_STRING([--with-mpc=PATH], 1405 [specify prefix directory for installed MPC package. 1406 Equivalent to --with-mpc-include=PATH/include 1407 plus --with-mpc-lib=PATH/lib])]) 1408AC_ARG_WITH(mpc-include, 1409[AS_HELP_STRING([--with-mpc-include=PATH], 1410 [specify directory for installed MPC include files])]) 1411AC_ARG_WITH(mpc-lib, 1412[AS_HELP_STRING([--with-mpc-lib=PATH], 1413 [specify directory for the installed MPC library])]) 1414 1415if test "x$with_mpc" != x; then 1416 gmplibs="-L$with_mpc/lib $gmplibs" 1417 gmpinc="-I$with_mpc/include $gmpinc" 1418fi 1419if test "x$with_mpc_include" != x; then 1420 gmpinc="-I$with_mpc_include $gmpinc" 1421fi 1422if test "x$with_mpc_lib" != x; then 1423 gmplibs="-L$with_mpc_lib $gmplibs" 1424fi 1425if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1426 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1427 gmpinc='-I$$s/mpc/src '"$gmpinc" 1428 # Do not test the mpc version. Assume that it is sufficient, since 1429 # it is in the source tree, and the library has not been built yet 1430 # but it would be included on the link line in the version check below 1431 # hence making the test fail. 1432 have_gmp=yes 1433fi 1434 1435# Specify a location for mpfr 1436# check for this first so it ends up on the link line before gmp. 1437AC_ARG_WITH(mpfr-dir, 1438[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1439[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1440Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1441 1442AC_ARG_WITH(mpfr, 1443[AS_HELP_STRING([--with-mpfr=PATH], 1444 [specify prefix directory for installed MPFR package. 1445 Equivalent to --with-mpfr-include=PATH/include 1446 plus --with-mpfr-lib=PATH/lib])]) 1447AC_ARG_WITH(mpfr-include, 1448[AS_HELP_STRING([--with-mpfr-include=PATH], 1449 [specify directory for installed MPFR include files])]) 1450AC_ARG_WITH(mpfr-lib, 1451[AS_HELP_STRING([--with-mpfr-lib=PATH], 1452 [specify directory for the installed MPFR library])]) 1453 1454if test "x$with_mpfr" != x; then 1455 gmplibs="-L$with_mpfr/lib $gmplibs" 1456 gmpinc="-I$with_mpfr/include $gmpinc" 1457fi 1458if test "x$with_mpfr_include" != x; then 1459 gmpinc="-I$with_mpfr_include $gmpinc" 1460fi 1461if test "x$with_mpfr_lib" != x; then 1462 gmplibs="-L$with_mpfr_lib $gmplibs" 1463fi 1464if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1465 # MPFR v3.1.0 moved the sources into a src sub-directory. 1466 if ! test -d ${srcdir}/mpfr/src; then 1467 AC_MSG_ERROR([dnl 1468Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1469 fi 1470 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1471 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1472 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1473 # Do not test the mpfr version. Assume that it is sufficient, since 1474 # it is in the source tree, and the library has not been built yet 1475 # but it would be included on the link line in the version check below 1476 # hence making the test fail. 1477 have_gmp=yes 1478fi 1479 1480# Specify a location for gmp 1481AC_ARG_WITH(gmp-dir, 1482[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1483[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1484Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1485 1486AC_ARG_WITH(gmp, 1487[AS_HELP_STRING([--with-gmp=PATH], 1488 [specify prefix directory for the installed GMP package. 1489 Equivalent to --with-gmp-include=PATH/include 1490 plus --with-gmp-lib=PATH/lib])]) 1491AC_ARG_WITH(gmp-include, 1492[AS_HELP_STRING([--with-gmp-include=PATH], 1493 [specify directory for installed GMP include files])]) 1494AC_ARG_WITH(gmp-lib, 1495[AS_HELP_STRING([--with-gmp-lib=PATH], 1496 [specify directory for the installed GMP library])]) 1497 1498 1499if test "x$with_gmp" != x; then 1500 gmplibs="-L$with_gmp/lib $gmplibs" 1501 gmpinc="-I$with_gmp/include $gmpinc" 1502fi 1503if test "x$with_gmp_include" != x; then 1504 gmpinc="-I$with_gmp_include $gmpinc" 1505fi 1506if test "x$with_gmp_lib" != x; then 1507 gmplibs="-L$with_gmp_lib $gmplibs" 1508fi 1509if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1510 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1511 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1512 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1513 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1514 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1515 # Do not test the gmp version. Assume that it is sufficient, since 1516 # it is in the source tree, and the library has not been built yet 1517 # but it would be included on the link line in the version check below 1518 # hence making the test fail. 1519 have_gmp=yes 1520fi 1521 1522if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1523 have_gmp=yes 1524 saved_CFLAGS="$CFLAGS" 1525 CFLAGS="$CFLAGS $gmpinc" 1526 # Check for the recommended and required versions of GMP. 1527 AC_MSG_CHECKING([for the correct version of gmp.h]) 1528 AC_TRY_COMPILE([#include "gmp.h"],[ 1529 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1530 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1531 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1532 choke me 1533 #endif 1534 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1535 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1536 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1537 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1538 choke me 1539 #endif 1540 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1541 [AC_MSG_RESULT([no]); have_gmp=no]) 1542 1543 # If we have GMP, check the MPFR version. 1544 if test x"$have_gmp" = xyes; then 1545 # Check for the recommended and required versions of MPFR. 1546 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1547 AC_TRY_COMPILE([#include <gmp.h> 1548 #include <mpfr.h>],[ 1549 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1550 choke me 1551 #endif 1552 ], [AC_TRY_COMPILE([#include <gmp.h> 1553 #include <mpfr.h>],[ 1554 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1555 choke me 1556 #endif 1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1558 [AC_MSG_RESULT([no]); have_gmp=no]) 1559 fi 1560 1561 # Check for the MPC header version. 1562 if test x"$have_gmp" = xyes ; then 1563 # Check for the recommended and required versions of MPC. 1564 AC_MSG_CHECKING([for the correct version of mpc.h]) 1565 AC_TRY_COMPILE([#include <mpc.h>],[ 1566 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1567 choke me 1568 #endif 1569 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1570 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1571 choke me 1572 #endif 1573 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1574 [AC_MSG_RESULT([no]); have_gmp=no]) 1575 fi 1576 1577 # Now check the MPFR library. 1578 if test x"$have_gmp" = xyes; then 1579 saved_LIBS="$LIBS" 1580 LIBS="$LIBS $gmplibs" 1581 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1582 AC_TRY_LINK([#include <mpc.h>],[ 1583 mpfr_t n; 1584 mpfr_t x; 1585 mpc_t c; 1586 int t; 1587 mpfr_init (n); 1588 mpfr_init (x); 1589 mpfr_atan2 (n, n, x, GMP_RNDN); 1590 mpfr_erfc (n, x, GMP_RNDN); 1591 mpfr_subnormalize (x, t, GMP_RNDN); 1592 mpfr_clear(n); 1593 mpfr_clear(x); 1594 mpc_init2 (c, 53); 1595 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1596 mpc_cosh (c, c, MPC_RNDNN); 1597 mpc_pow (c, c, c, MPC_RNDNN); 1598 mpc_acosh (c, c, MPC_RNDNN); 1599 mpc_clear (c); 1600 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1601 LIBS="$saved_LIBS" 1602 fi 1603 1604 CFLAGS="$saved_CFLAGS" 1605 1606# The library versions listed in the error message below should match 1607# the HARD-minimums enforced above. 1608 if test x$have_gmp != xyes; then 1609 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1610Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1611their locations. Source code for these libraries can be found at 1612their respective hosting sites as well as at 1613ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1614http://gcc.gnu.org/install/prerequisites.html for additional info. If 1615you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1616make sure that you have installed both the libraries and the header 1617files. They may be located in separate packages.]) 1618 fi 1619fi 1620 1621# Flags needed for both GMP, MPFR and/or MPC. 1622AC_SUBST(gmplibs) 1623AC_SUBST(gmpinc) 1624AC_SUBST(extra_mpfr_configure_flags) 1625AC_SUBST(extra_mpc_gmp_configure_flags) 1626AC_SUBST(extra_mpc_mpfr_configure_flags) 1627AC_SUBST(extra_isl_gmp_configure_flags) 1628 1629# Libraries to use for stage1 or when not bootstrapping. 1630AC_ARG_WITH(stage1-libs, 1631[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1632[if test "$withval" = "no" -o "$withval" = "yes"; then 1633 stage1_libs= 1634 else 1635 stage1_libs=$withval 1636 fi], 1637[stage1_libs=]) 1638AC_SUBST(stage1_libs) 1639 1640# Linker flags to use for stage1 or when not bootstrapping. 1641AC_ARG_WITH(stage1-ldflags, 1642[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1643[if test "$withval" = "no" -o "$withval" = "yes"; then 1644 stage1_ldflags= 1645 else 1646 stage1_ldflags=$withval 1647 fi], 1648[stage1_ldflags= 1649 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1650 # if supported. But if the user explicitly specified the libraries to use, 1651 # trust that they are doing what they want. 1652 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1653 stage1_ldflags="-static-libstdc++ -static-libgcc" 1654 fi]) 1655AC_SUBST(stage1_ldflags) 1656 1657# Libraries to use for stage2 and later builds. 1658AC_ARG_WITH(boot-libs, 1659[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1660[if test "$withval" = "no" -o "$withval" = "yes"; then 1661 poststage1_libs= 1662 else 1663 poststage1_libs=$withval 1664 fi], 1665[poststage1_libs=]) 1666AC_SUBST(poststage1_libs) 1667 1668# Linker flags to use for stage2 and later builds. 1669AC_ARG_WITH(boot-ldflags, 1670[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1671 [linker flags for stage2 and later])], 1672[if test "$withval" = "no" -o "$withval" = "yes"; then 1673 poststage1_ldflags= 1674 else 1675 poststage1_ldflags=$withval 1676 fi], 1677[poststage1_ldflags= 1678 # In stages 2 and 3, default to linking libstdc++ and libgcc 1679 # statically. But if the user explicitly specified the libraries to 1680 # use, trust that they are doing what they want. 1681 if test "$poststage1_libs" = ""; then 1682 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1683 fi]) 1684AC_SUBST(poststage1_ldflags) 1685 1686# GCC GRAPHITE dependency isl. 1687# Basic setup is inlined here, actual checks are in config/isl.m4 1688 1689AC_ARG_WITH(isl, 1690 [AS_HELP_STRING( 1691 [--with-isl=PATH], 1692 [Specify prefix directory for the installed isl package. 1693 Equivalent to --with-isl-include=PATH/include 1694 plus --with-isl-lib=PATH/lib])]) 1695 1696# Treat --without-isl as a request to disable 1697# GRAPHITE support and skip all following checks. 1698if test "x$with_isl" != "xno"; then 1699 # Check for isl 1700 dnl Provide configure switches and initialize islinc & isllibs 1701 dnl with user input. 1702 ISL_INIT_FLAGS 1703 dnl The versions of isl that work for Graphite 1704 ISL_CHECK_VERSION() 1705 dnl Only execute fail-action, if isl has been requested. 1706 ISL_IF_FAILED([ 1707 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1708fi 1709 1710# If the isl check failed, disable builds of in-tree variant of isl 1711if test "x$with_isl" = xno || 1712 test "x$gcc_cv_isl" = xno; then 1713 noconfigdirs="$noconfigdirs isl" 1714 islinc= 1715fi 1716 1717AC_SUBST(isllibs) 1718AC_SUBST(islinc) 1719 1720# Check for LTO support. 1721AC_ARG_ENABLE(lto, 1722[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1723enable_lto=$enableval, 1724enable_lto=yes; default_enable_lto=yes) 1725 1726ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1727 case $target in 1728 m68010-*) 1729 build_lto_plugin=no;; 1730 *) 1731 build_lto_plugin=yes;; 1732 esac 1733],[if test x"$default_enable_lto" = x"yes" ; then 1734 case $target in 1735 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1736 # On other non-ELF platforms, LTO has yet to be validated. 1737 *) enable_lto=no ;; 1738 esac 1739 else 1740 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1741 # It would also be nice to check the binutils support, but we don't 1742 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1743 # warn during gcc/ subconfigure; unless you're bootstrapping with 1744 # -flto it won't be needed until after installation anyway. 1745 case $target in 1746 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1747 *) if test x"$enable_lto" = x"yes"; then 1748 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1749 fi 1750 ;; 1751 esac 1752 fi 1753 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1754 # Build it unless LTO was explicitly disabled. 1755 case $target in 1756 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1757 *) ;; 1758 esac 1759]) 1760 1761AC_ARG_ENABLE(linker-plugin-configure-flags, 1762 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1763 [additional flags for configuring linker plugins @<:@none@:>@])], 1764 extra_linker_plugin_configure_flags=$enableval, 1765 extra_linker_plugin_configure_flags=) 1766AC_SUBST(extra_linker_plugin_configure_flags) 1767AC_ARG_ENABLE(linker-plugin-flags, 1768 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1769 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1770 extra_linker_plugin_flags=$enableval, 1771 extra_linker_plugin_flags=) 1772AC_SUBST(extra_linker_plugin_flags) 1773 1774 1775# By default, C and C++ are the only stage 1 languages. 1776stage1_languages=,c, 1777 1778# Target libraries that we bootstrap. 1779bootstrap_target_libs=,target-libgcc, 1780 1781# Figure out what language subdirectories are present. 1782# Look if the user specified --enable-languages="..."; if not, use 1783# the environment variable $LANGUAGES if defined. $LANGUAGES might 1784# go away some day. 1785# NB: embedded tabs in this IF block -- do not untabify 1786if test -d ${srcdir}/gcc; then 1787 if test x"${enable_languages+set}" != xset; then 1788 if test x"${LANGUAGES+set}" = xset; then 1789 enable_languages="${LANGUAGES}" 1790 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1791 else 1792 enable_languages=all 1793 fi 1794 else 1795 if test x"${enable_languages}" = x || 1796 test x"${enable_languages}" = xyes; 1797 then 1798 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1799 exit 1 1800 fi 1801 fi 1802 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1803 1804 # 'f95' is the old name for the 'fortran' language. We issue a warning 1805 # and make the substitution. 1806 case ,${enable_languages}, in 1807 *,f95,*) 1808 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1809 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1810 ;; 1811 esac 1812 1813 # If bootstrapping, C++ must be enabled. 1814 case ",$enable_languages,:$enable_bootstrap" in 1815 *,c++,*:*) ;; 1816 *:yes) 1817 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1818 enable_languages="${enable_languages},c++" 1819 else 1820 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1821 fi 1822 ;; 1823 esac 1824 1825 # First scan to see if an enabled language requires some other language. 1826 # We assume that a given config-lang.in will list all the language 1827 # front ends it requires, even if some are required indirectly. 1828 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1829 case ${lang_frag} in 1830 ..) ;; 1831 # The odd quoting in the next line works around 1832 # an apparent bug in bash 1.12 on linux. 1833 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1834 *) 1835 # From the config-lang.in, get $language, $lang_requires, and 1836 # $lang_requires_boot_languages. 1837 language= 1838 lang_requires= 1839 lang_requires_boot_languages= 1840 . ${lang_frag} 1841 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1842 case ,${enable_languages}, in 1843 *,$other,*) ;; 1844 *,all,*) ;; 1845 *,$language,*) 1846 echo " \`$other' language required by \`$language'; enabling" 1>&2 1847 enable_languages="${enable_languages},${other}" 1848 ;; 1849 esac 1850 done 1851 for other in ${lang_requires_boot_languages} ; do 1852 if test "$other" != "c"; then 1853 case ,${enable_stage1_languages}, in 1854 *,$other,*) ;; 1855 *,all,*) ;; 1856 *) 1857 case ,${enable_languages}, in 1858 *,$language,*) 1859 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1860 enable_stage1_languages="$enable_stage1_languages,${other}" 1861 ;; 1862 esac 1863 ;; 1864 esac 1865 fi 1866 done 1867 ;; 1868 esac 1869 done 1870 1871 new_enable_languages=,c, 1872 1873 # If LTO is enabled, add the LTO front end. 1874 if test "$enable_lto" = "yes" ; then 1875 case ,${enable_languages}, in 1876 *,lto,*) ;; 1877 *) enable_languages="${enable_languages},lto" ;; 1878 esac 1879 if test "${build_lto_plugin}" = "yes" ; then 1880 configdirs="$configdirs lto-plugin" 1881 fi 1882 fi 1883 1884 # If we're building an offloading compiler, add the LTO front end. 1885 if test x"$enable_as_accelerator_for" != x ; then 1886 case ,${enable_languages}, in 1887 *,lto,*) ;; 1888 *) enable_languages="${enable_languages},lto" ;; 1889 esac 1890 fi 1891 1892 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1893 potential_languages=,c, 1894 1895 enabled_target_libs= 1896 disabled_target_libs= 1897 1898 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1899 case ${lang_frag} in 1900 ..) ;; 1901 # The odd quoting in the next line works around 1902 # an apparent bug in bash 1.12 on linux. 1903 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1904 *) 1905 # From the config-lang.in, get $language, $target_libs, 1906 # $lang_dirs, $boot_language, and $build_by_default 1907 language= 1908 target_libs= 1909 lang_dirs= 1910 subdir_requires= 1911 boot_language=no 1912 build_by_default=yes 1913 . ${lang_frag} 1914 if test x${language} = x; then 1915 echo "${lang_frag} doesn't set \$language." 1>&2 1916 exit 1 1917 fi 1918 1919 if test "$language" = "c++"; then 1920 boot_language=yes 1921 fi 1922 1923 add_this_lang=no 1924 case ,${enable_languages}, in 1925 *,${language},*) 1926 # Language was explicitly selected; include it 1927 # unless it is C, which is enabled by default. 1928 if test "$language" != "c"; then 1929 add_this_lang=yes 1930 fi 1931 ;; 1932 *,all,*) 1933 # 'all' was selected, select it if it is a default language 1934 if test "$language" != "c"; then 1935 add_this_lang=${build_by_default} 1936 fi 1937 ;; 1938 esac 1939 1940 # Disable languages that need other directories if these aren't available. 1941 for i in $subdir_requires; do 1942 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1943 case ,${enable_languages}, in 1944 *,${language},*) 1945 # Specifically requested language; tell them. 1946 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1947 ;; 1948 *) 1949 # Silently disable. 1950 add_this_lang=unsupported 1951 ;; 1952 esac 1953 done 1954 1955 # Disable Ada if no preexisting GNAT is available. 1956 case ,${enable_languages},:${language}:${have_gnat} in 1957 *,${language},*:ada:no) 1958 # Specifically requested language; tell them. 1959 AC_MSG_ERROR([GNAT is required to build $language]) 1960 ;; 1961 *:ada:no) 1962 # Silently disable. 1963 add_this_lang=unsupported 1964 ;; 1965 esac 1966 1967 # Disable a language that is unsupported by the target. 1968 case " $unsupported_languages " in 1969 *" $language "*) 1970 add_this_lang=unsupported 1971 ;; 1972 esac 1973 1974 case $add_this_lang in 1975 unsupported) 1976 # Remove language-dependent dirs. 1977 disabled_target_libs="$disabled_target_libs $target_libs" 1978 noconfigdirs="$noconfigdirs $lang_dirs" 1979 ;; 1980 no) 1981 # Remove language-dependent dirs; still show language as supported. 1982 disabled_target_libs="$disabled_target_libs $target_libs" 1983 noconfigdirs="$noconfigdirs $lang_dirs" 1984 potential_languages="${potential_languages}${language}," 1985 ;; 1986 yes) 1987 new_enable_languages="${new_enable_languages}${language}," 1988 potential_languages="${potential_languages}${language}," 1989 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1990 enabled_target_libs="$enabled_target_libs $target_libs" 1991 case "${boot_language}:,$enable_stage1_languages," in 1992 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 1993 # Add to (comma-separated) list of stage 1 languages. 1994 case ",$stage1_languages," in 1995 *,$language,* | ,yes, | ,all,) ;; 1996 *) stage1_languages="${stage1_languages}${language}," ;; 1997 esac 1998 # We need to bootstrap any supporting libraries. 1999 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2000 ;; 2001 esac 2002 ;; 2003 esac 2004 ;; 2005 esac 2006 done 2007 2008 # Add target libraries which are only needed for disabled languages 2009 # to noconfigdirs. 2010 if test -n "$disabled_target_libs"; then 2011 for dir in $disabled_target_libs; do 2012 case " $enabled_target_libs " in 2013 *" ${dir} "*) ;; 2014 *) noconfigdirs="$noconfigdirs $dir" ;; 2015 esac 2016 done 2017 fi 2018 2019 AC_ARG_ENABLE(stage1-languages, 2020 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2021 [choose additional languages to build during 2022 stage1. Mostly useful for compiler development])], 2023 [case ,${enable_stage1_languages}, in 2024 ,no,|,,) 2025 # Set it to something that will have no effect in the loop below 2026 enable_stage1_languages=c ;; 2027 ,yes,) 2028 enable_stage1_languages=`echo $new_enable_languages | \ 2029 sed -e "s/^,//" -e "s/,$//" ` ;; 2030 *,all,*) 2031 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2032 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2033 esac 2034 2035 # Add "good" languages from enable_stage1_languages to stage1_languages, 2036 # while "bad" languages go in missing_languages. Leave no duplicates. 2037 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2038 case $potential_languages in 2039 *,$i,*) 2040 case $stage1_languages in 2041 *,$i,*) ;; 2042 *) stage1_languages="$stage1_languages$i," ;; 2043 esac ;; 2044 *) 2045 case $missing_languages in 2046 *,$i,*) ;; 2047 *) missing_languages="$missing_languages$i," ;; 2048 esac ;; 2049 esac 2050 done]) 2051 2052 # Remove leading/trailing commas that were added for simplicity 2053 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2054 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2055 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2056 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2057 2058 if test "x$missing_languages" != x; then 2059 AC_MSG_ERROR([ 2060The following requested languages could not be built: ${missing_languages} 2061Supported languages are: ${potential_languages}]) 2062 fi 2063 if test "x$new_enable_languages" != "x$enable_languages"; then 2064 echo The following languages will be built: ${new_enable_languages} 2065 enable_languages="$new_enable_languages" 2066 fi 2067 2068 AC_SUBST(stage1_languages) 2069 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2070fi 2071 2072# Handle --disable-<component> generically. 2073for dir in $configdirs $build_configdirs $target_configdirs ; do 2074 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2075 varname=`echo $dirname | sed -e s/+/_/g` 2076 if eval test x\${enable_${varname}} "=" xno ; then 2077 noconfigdirs="$noconfigdirs $dir" 2078 fi 2079done 2080 2081# Check for Boehm's garbage collector 2082AC_ARG_ENABLE(objc-gc, 2083[AS_HELP_STRING([--enable-objc-gc], 2084 [enable use of Boehm's garbage collector with the 2085 GNU Objective-C runtime])]) 2086AC_ARG_WITH([target-bdw-gc], 2087[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2088 [specify prefix directory for installed bdw-gc package. 2089 Equivalent to --with-target-bdw-gc-include=PATH/include 2090 plus --with-target-bdw-gc-lib=PATH/lib])]) 2091AC_ARG_WITH([target-bdw-gc-include], 2092[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2093 [specify directories for installed bdw-gc include files])]) 2094AC_ARG_WITH([target-bdw-gc-lib], 2095[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2096 [specify directories for installed bdw-gc library])]) 2097 2098case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2099 AC_MSG_CHECKING([for bdw garbage collector]) 2100 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2101 dnl no bdw-gw options, assume default locations 2102 AC_MSG_RESULT([using bdw-gc in default locations]) 2103 else 2104 dnl bdw-gw options, first error checking, complete checking in libobjc 2105 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2106 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2107 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2108 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2109 else 2110 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2111 fi 2112 fi 2113esac 2114 2115# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2116case ,${enable_languages}, in 2117 *,c++,*) 2118 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2119 case "${noconfigdirs}" in 2120 *target-libstdc++-v3*) 2121 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2122 ;; 2123 *) ;; 2124 esac 2125 ;; 2126 *) 2127 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2128 ;; 2129esac 2130 2131# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2132# $build_configdirs and $target_configdirs. 2133# If we have the source for $noconfigdirs entries, add them to $notsupp. 2134 2135notsupp="" 2136for dir in . $skipdirs $noconfigdirs ; do 2137 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2138 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2139 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2140 if test -r $srcdir/$dirname/configure ; then 2141 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2142 true 2143 else 2144 notsupp="$notsupp $dir" 2145 fi 2146 fi 2147 fi 2148 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2149 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2150 if test -r $srcdir/$dirname/configure ; then 2151 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2152 true 2153 else 2154 notsupp="$notsupp $dir" 2155 fi 2156 fi 2157 fi 2158 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2159 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2160 if test -r $srcdir/$dirname/configure ; then 2161 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2162 true 2163 else 2164 notsupp="$notsupp $dir" 2165 fi 2166 fi 2167 fi 2168done 2169 2170# Quietly strip out all directories which aren't configurable in this tree. 2171# This relies on all configurable subdirectories being autoconfiscated, which 2172# is now the case. 2173build_configdirs_all="$build_configdirs" 2174build_configdirs= 2175for i in ${build_configdirs_all} ; do 2176 j=`echo $i | sed -e s/build-//g` 2177 if test -f ${srcdir}/$j/configure ; then 2178 build_configdirs="${build_configdirs} $i" 2179 fi 2180done 2181 2182configdirs_all="$configdirs" 2183configdirs= 2184for i in ${configdirs_all} ; do 2185 if test -f ${srcdir}/$i/configure ; then 2186 configdirs="${configdirs} $i" 2187 fi 2188done 2189 2190target_configdirs_all="$target_configdirs" 2191target_configdirs= 2192for i in ${target_configdirs_all} ; do 2193 j=`echo $i | sed -e s/target-//g` 2194 if test -f ${srcdir}/$j/configure ; then 2195 target_configdirs="${target_configdirs} $i" 2196 fi 2197done 2198 2199# libiberty-linker-plugin is special: it doesn't have its own source directory, 2200# so we have to add it after the preceding checks. 2201if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2202then 2203 case " $configdirs " in 2204 *" libiberty "*) 2205 # If we can build libiberty, we can also build libiberty-linker-plugin. 2206 configdirs="$configdirs libiberty-linker-plugin" 2207 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2208 --with-libiberty=../libiberty-linker-plugin";; 2209 *) 2210 AC_MSG_ERROR([libiberty missing]);; 2211 esac 2212fi 2213 2214# Sometimes we have special requirements for the host libiberty. 2215extra_host_libiberty_configure_flags= 2216extra_host_zlib_configure_flags= 2217case " $configdirs " in 2218 *" lto-plugin "* | *" libcc1 "*) 2219 # When these are to be built as shared libraries, the same applies to 2220 # libiberty. 2221 extra_host_libiberty_configure_flags=--enable-shared 2222 ;; 2223 *" bfd "*) 2224 # When bfd is to be built as a shared library, the same applies to 2225 # zlib. 2226 if test "$enable_shared" = "yes"; then 2227 extra_host_zlib_configure_flags=--enable-host-shared 2228 fi 2229 ;; 2230esac 2231AC_SUBST(extra_host_libiberty_configure_flags) 2232AC_SUBST(extra_host_zlib_configure_flags) 2233 2234# Produce a warning message for the subdirs we can't configure. 2235# This isn't especially interesting in the Cygnus tree, but in the individual 2236# FSF releases, it's important to let people know when their machine isn't 2237# supported by the one or two programs in a package. 2238 2239if test -n "${notsupp}" && test -z "${norecursion}" ; then 2240 # If $appdirs is non-empty, at least one of those directories must still 2241 # be configured, or we error out. (E.g., if the gas release supports a 2242 # specified target in some subdirs but not the gas subdir, we shouldn't 2243 # pretend that all is well.) 2244 if test -n "$appdirs" ; then 2245 for dir in $appdirs ; do 2246 if test -r $dir/Makefile.in ; then 2247 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2248 appdirs="" 2249 break 2250 fi 2251 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2252 appdirs="" 2253 break 2254 fi 2255 fi 2256 done 2257 if test -n "$appdirs" ; then 2258 echo "*** This configuration is not supported by this package." 1>&2 2259 exit 1 2260 fi 2261 fi 2262 # Okay, some application will build, or we don't care to check. Still 2263 # notify of subdirs not getting built. 2264 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2265 echo " ${notsupp}" 1>&2 2266 echo " (Any other directories should still work fine.)" 1>&2 2267fi 2268 2269case "$host" in 2270 *msdosdjgpp*) 2271 enable_gdbtk=no ;; 2272esac 2273 2274# To find our prefix, in gcc_cv_tool_prefix. 2275ACX_TOOL_DIRS 2276 2277copy_dirs= 2278 2279AC_ARG_WITH([build-sysroot], 2280 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2281 [use sysroot as the system root during the build])], 2282 [if test x"$withval" != x ; then 2283 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2284 fi], 2285 [SYSROOT_CFLAGS_FOR_TARGET=]) 2286AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2287 2288AC_ARG_WITH([debug-prefix-map], 2289 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2290 [map A to B, C to D ... in debug information])], 2291 [if test x"$withval" != x; then 2292 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2293 for debug_map in $withval; do 2294 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2295 done 2296 fi], 2297 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2298AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2299 2300# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2301# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2302# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2303# We want to ensure that TARGET libraries (which we know are built with 2304# gcc) are built with "-O2 -g", so include those options when setting 2305# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2306if test "x$CFLAGS_FOR_TARGET" = x; then 2307 if test "x${is_cross_compiler}" = xyes; then 2308 CFLAGS_FOR_TARGET="-g -O2" 2309 else 2310 CFLAGS_FOR_TARGET=$CFLAGS 2311 case " $CFLAGS " in 2312 *" -O2 "*) ;; 2313 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2314 esac 2315 case " $CFLAGS " in 2316 *" -g "* | *" -g3 "*) ;; 2317 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2318 esac 2319 fi 2320fi 2321AC_SUBST(CFLAGS_FOR_TARGET) 2322 2323if test "x$CXXFLAGS_FOR_TARGET" = x; then 2324 if test "x${is_cross_compiler}" = xyes; then 2325 CXXFLAGS_FOR_TARGET="-g -O2" 2326 else 2327 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2328 case " $CXXFLAGS " in 2329 *" -O2 "*) ;; 2330 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2331 esac 2332 case " $CXXFLAGS " in 2333 *" -g "* | *" -g3 "*) ;; 2334 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2335 esac 2336 fi 2337fi 2338AC_SUBST(CXXFLAGS_FOR_TARGET) 2339 2340AC_SUBST(LDFLAGS_FOR_TARGET) 2341 2342# Handle --with-headers=XXX. If the value is not "yes", the contents of 2343# the named directory are copied to $(tooldir)/sys-include. 2344if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2345 if test x${is_cross_compiler} = xno ; then 2346 echo 1>&2 '***' --with-headers is only supported when cross compiling 2347 exit 1 2348 fi 2349 if test x"${with_headers}" != xyes ; then 2350 x=${gcc_cv_tool_prefix} 2351 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2352 fi 2353fi 2354 2355# Handle --with-libs=XXX. If the value is not "yes", the contents of 2356# the name directories are copied to $(tooldir)/lib. Multiple directories 2357# are permitted. 2358if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2359 if test x${is_cross_compiler} = xno ; then 2360 echo 1>&2 '***' --with-libs is only supported when cross compiling 2361 exit 1 2362 fi 2363 if test x"${with_libs}" != xyes ; then 2364 # Copy the libraries in reverse order, so that files in the first named 2365 # library override files in subsequent libraries. 2366 x=${gcc_cv_tool_prefix} 2367 for l in ${with_libs}; do 2368 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2369 done 2370 fi 2371fi 2372 2373# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2374# 2375# This is done by determining whether or not the appropriate directory 2376# is available, and by checking whether or not specific configurations 2377# have requested that this magic not happen. 2378# 2379# The command line options always override the explicit settings in 2380# configure.ac, and the settings in configure.ac override this magic. 2381# 2382# If the default for a toolchain is to use GNU as and ld, and you don't 2383# want to do that, then you should use the --without-gnu-as and 2384# --without-gnu-ld options for the configure script. Similarly, if 2385# the default is to use the included zlib and you don't want to do that, 2386# you should use the --with-system-zlib option for the configure script. 2387 2388if test x${use_gnu_as} = x && 2389 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2390 with_gnu_as=yes 2391 extra_host_args="$extra_host_args --with-gnu-as" 2392fi 2393 2394if test x${use_gnu_ld} = x && 2395 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2396 with_gnu_ld=yes 2397 extra_host_args="$extra_host_args --with-gnu-ld" 2398fi 2399 2400if test x${use_included_zlib} = x && 2401 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2402 : 2403else 2404 with_system_zlib=yes 2405 extra_host_args="$extra_host_args --with-system-zlib" 2406fi 2407 2408# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2409# can detect this case. 2410 2411if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2412 with_newlib=yes 2413 extra_host_args="$extra_host_args --with-newlib" 2414fi 2415 2416# Handle ${copy_dirs} 2417set fnord ${copy_dirs} 2418shift 2419while test $# != 0 ; do 2420 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2421 : 2422 else 2423 echo Copying $1 to $2 2424 2425 # Use the install script to create the directory and all required 2426 # parent directories. 2427 if test -d $2 ; then 2428 : 2429 else 2430 echo >config.temp 2431 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2432 fi 2433 2434 # Copy the directory, assuming we have tar. 2435 # FIXME: Should we use B in the second tar? Not all systems support it. 2436 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2437 2438 # It is the responsibility of the user to correctly adjust all 2439 # symlinks. If somebody can figure out how to handle them correctly 2440 # here, feel free to add the code. 2441 2442 echo $1 > $2/COPIED 2443 fi 2444 shift; shift 2445done 2446 2447# Determine a target-dependent exec_prefix that the installed 2448# gcc will search in. Keep this list sorted by triplet, with 2449# the *-*-osname triplets last. 2450md_exec_prefix= 2451case "${target}" in 2452 i[[34567]]86-pc-msdosdjgpp*) 2453 md_exec_prefix=/dev/env/DJDIR/bin 2454 ;; 2455 *-*-hpux* | \ 2456 *-*-nto-qnx* | \ 2457 *-*-solaris2*) 2458 md_exec_prefix=/usr/ccs/bin 2459 ;; 2460esac 2461 2462extra_arflags_for_target= 2463extra_nmflags_for_target= 2464extra_ranlibflags_for_target= 2465target_makefile_frag=/dev/null 2466case "${target}" in 2467 spu-*-*) 2468 target_makefile_frag="config/mt-spu" 2469 ;; 2470 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2471 target_makefile_frag="config/mt-sde" 2472 ;; 2473 mipsisa*-*-elfoabi*) 2474 target_makefile_frag="config/mt-mips-elfoabi" 2475 ;; 2476 mips*-*-*linux* | mips*-*-gnu*) 2477 target_makefile_frag="config/mt-mips-gnu" 2478 ;; 2479 nios2-*-elf*) 2480 target_makefile_frag="config/mt-nios2-elf" 2481 ;; 2482 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2483 target_makefile_frag="config/mt-gnu" 2484 ;; 2485 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2486 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2487 # commands to handle both 32-bit and 64-bit objects. These flags are 2488 # harmless if we're using GNU nm or ar. 2489 extra_arflags_for_target=" -X32_64" 2490 extra_nmflags_for_target=" -B -X32_64" 2491 ;; 2492esac 2493 2494alphaieee_frag=/dev/null 2495case $target in 2496 alpha*-*-*) 2497 # This just makes sure to use the -mieee option to build target libs. 2498 # This should probably be set individually by each library. 2499 alphaieee_frag="config/mt-alphaieee" 2500 ;; 2501esac 2502 2503# If --enable-target-optspace always use -Os instead of -O2 to build 2504# the target libraries, similarly if it is not specified, use -Os 2505# on selected platforms. 2506ospace_frag=/dev/null 2507case "${enable_target_optspace}:${target}" in 2508 yes:*) 2509 ospace_frag="config/mt-ospace" 2510 ;; 2511 :d30v-*) 2512 ospace_frag="config/mt-d30v" 2513 ;; 2514 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2515 ospace_frag="config/mt-ospace" 2516 ;; 2517 no:* | :*) 2518 ;; 2519 *) 2520 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2521 ;; 2522esac 2523 2524# Some systems (e.g., one of the i386-aix systems the gas testers are 2525# using) don't handle "\$" correctly, so don't use it here. 2526tooldir='${exec_prefix}'/${target_noncanonical} 2527build_tooldir=${tooldir} 2528 2529# Create a .gdbinit file which runs the one in srcdir 2530# and tells GDB to look there for source files. 2531 2532if test -r ${srcdir}/.gdbinit ; then 2533 case ${srcdir} in 2534 .) ;; 2535 *) cat > ./.gdbinit <<EOF 2536# ${NO_EDIT} 2537dir ${srcdir} 2538dir . 2539source ${srcdir}/.gdbinit 2540EOF 2541 ;; 2542 esac 2543fi 2544 2545# Make sure that the compiler is able to generate an executable. If it 2546# can't, we are probably in trouble. We don't care whether we can run the 2547# executable--we might be using a cross compiler--we only care whether it 2548# can be created. At this point the main configure script has set CC. 2549we_are_ok=no 2550echo "int main () { return 0; }" > conftest.c 2551${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2552if test $? = 0 ; then 2553 if test -s conftest || test -s conftest.exe ; then 2554 we_are_ok=yes 2555 fi 2556fi 2557case $we_are_ok in 2558 no) 2559 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2560 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2561 rm -f conftest* 2562 exit 1 2563 ;; 2564esac 2565rm -f conftest* 2566 2567# Decide which environment variable is used to find dynamic libraries. 2568case "${host}" in 2569 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2570 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2571 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2572 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2573esac 2574 2575# On systems where the dynamic library environment variable is PATH, 2576# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2577# built executables to PATH. 2578if test "$RPATH_ENVVAR" = PATH; then 2579 GCC_SHLIB_SUBDIR=/shlib 2580else 2581 GCC_SHLIB_SUBDIR= 2582fi 2583 2584# Adjust the toplevel makefile according to whether bootstrap was selected. 2585case $enable_bootstrap in 2586 yes) 2587 bootstrap_suffix=bootstrap 2588 BUILD_CONFIG=bootstrap-debug 2589 ;; 2590 no) 2591 bootstrap_suffix=no-bootstrap 2592 BUILD_CONFIG= 2593 ;; 2594esac 2595 2596AC_MSG_CHECKING(for default BUILD_CONFIG) 2597 2598AC_ARG_WITH([build-config], 2599 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2600 [use config/NAME.mk build configuration])], 2601 [case $with_build_config in 2602 yes) with_build_config= ;; 2603 no) with_build_config= BUILD_CONFIG= ;; 2604 esac]) 2605 2606if test "x${with_build_config}" != x; then 2607 BUILD_CONFIG=$with_build_config 2608else 2609 case $BUILD_CONFIG in 2610 bootstrap-debug) 2611 if echo "int f (void) { return 0; }" > conftest.c && 2612 ${CC} -c conftest.c && 2613 mv conftest.o conftest.o.g0 && 2614 ${CC} -c -g conftest.c && 2615 mv conftest.o conftest.o.g && 2616 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2617 : 2618 else 2619 BUILD_CONFIG= 2620 fi 2621 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2622 ;; 2623 esac 2624fi 2625AC_MSG_RESULT($BUILD_CONFIG) 2626AC_SUBST(BUILD_CONFIG) 2627 2628# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2629AC_MSG_CHECKING([for --enable-vtable-verify]) 2630AC_ARG_ENABLE(vtable-verify, 2631[AS_HELP_STRING([--enable-vtable-verify], 2632 [Enable vtable verification feature])], 2633[case "$enableval" in 2634 yes) enable_vtable_verify=yes ;; 2635 no) enable_vtable_verify=no ;; 2636 *) enable_vtable_verify=no;; 2637 esac], 2638[enable_vtable_verify=no]) 2639AC_MSG_RESULT($enable_vtable_verify) 2640 2641# Record target_configdirs and the configure arguments for target and 2642# build configuration in Makefile. 2643target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2644build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2645bootstrap_fixincludes=no 2646 2647# If we are building libgomp, bootstrap it. 2648if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2649 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2650fi 2651 2652# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2653# or bootstrap-ubsan, bootstrap it. 2654if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2655 case "$BUILD_CONFIG" in 2656 *bootstrap-asan* | *bootstrap-ubsan* ) 2657 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2658 bootstrap_fixincludes=yes 2659 ;; 2660 esac 2661fi 2662 2663# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2664if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2665 test "$enable_vtable_verify" != no; then 2666 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2667fi 2668 2669# If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx, 2670# bootstrap it. 2671if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2672 case "$BUILD_CONFIG" in 2673 *bootstrap-mpx* ) 2674 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2675 ;; 2676 esac 2677fi 2678 2679# Determine whether gdb needs tk/tcl or not. 2680# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2681# and in that case we want gdb to be built without tk. Ugh! 2682# In fact I believe gdb is the *only* package directly dependent on tk, 2683# so we should be able to put the 'maybe's in unconditionally and 2684# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2685# 100% sure that that's safe though. 2686 2687gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2688case "$enable_gdbtk" in 2689 no) 2690 GDB_TK="" ;; 2691 yes) 2692 GDB_TK="${gdb_tk}" ;; 2693 *) 2694 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2695 # distro. Eventually someone will fix this and move Insight, nee 2696 # gdbtk to a separate directory. 2697 if test -d ${srcdir}/gdb/gdbtk ; then 2698 GDB_TK="${gdb_tk}" 2699 else 2700 GDB_TK="" 2701 fi 2702 ;; 2703esac 2704CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2705INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2706 2707# Strip out unwanted targets. 2708 2709# While at that, we remove Makefiles if we were started for recursive 2710# configuration, so that the top-level Makefile reconfigures them, 2711# like we used to do when configure itself was recursive. 2712 2713# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2714# but now we're fixing up the Makefile ourselves with the additional 2715# commands passed to AC_CONFIG_FILES. Use separate variables 2716# extrasub-{build,host,target} not because there is any reason to split 2717# the substitutions up that way, but only to remain below the limit of 2718# 99 commands in a script, for HP-UX sed. 2719# Do not nest @if/@endif pairs, because configure will not warn you at all. 2720 2721case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2722 yes:yes:*\ gold\ *:*,c++,*) ;; 2723 yes:yes:*\ gold\ *:*) 2724 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2725 ;; 2726esac 2727 2728extrasub_build= 2729for module in ${build_configdirs} ; do 2730 if test -z "${no_recursion}" \ 2731 && test -f ${build_subdir}/${module}/Makefile; then 2732 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2733 rm -f ${build_subdir}/${module}/Makefile 2734 fi 2735 extrasub_build="$extrasub_build 2736/^@if build-$module\$/d 2737/^@endif build-$module\$/d 2738/^@if build-$module-$bootstrap_suffix\$/d 2739/^@endif build-$module-$bootstrap_suffix\$/d" 2740done 2741extrasub_host= 2742for module in ${configdirs} ; do 2743 if test -z "${no_recursion}"; then 2744 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2745 if test -f ${file}; then 2746 echo 1>&2 "*** removing ${file} to force reconfigure" 2747 rm -f ${file} 2748 fi 2749 done 2750 fi 2751 case ${module},${bootstrap_fixincludes} in 2752 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2753 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2754 esac 2755 extrasub_host="$extrasub_host 2756/^@if $module\$/d 2757/^@endif $module\$/d 2758/^@if $module-$host_bootstrap_suffix\$/d 2759/^@endif $module-$host_bootstrap_suffix\$/d" 2760done 2761extrasub_target= 2762for module in ${target_configdirs} ; do 2763 if test -z "${no_recursion}" \ 2764 && test -f ${target_subdir}/${module}/Makefile; then 2765 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2766 rm -f ${target_subdir}/${module}/Makefile 2767 fi 2768 2769 # We only bootstrap target libraries listed in bootstrap_target_libs. 2770 case $bootstrap_target_libs in 2771 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2772 *) target_bootstrap_suffix=no-bootstrap ;; 2773 esac 2774 2775 extrasub_target="$extrasub_target 2776/^@if target-$module\$/d 2777/^@endif target-$module\$/d 2778/^@if target-$module-$target_bootstrap_suffix\$/d 2779/^@endif target-$module-$target_bootstrap_suffix\$/d" 2780done 2781 2782# Do the final fixup along with target modules. 2783extrasub_target="$extrasub_target 2784/^@if /,/^@endif /d" 2785 2786# Create the serialization dependencies. This uses a temporary file. 2787 2788AC_ARG_ENABLE([serial-configure], 2789[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2790 [force sequential configuration of 2791 sub-packages for the host, target or build 2792 machine, or all sub-packages])]) 2793 2794case ${enable_serial_configure} in 2795 yes) 2796 enable_serial_build_configure=yes 2797 enable_serial_host_configure=yes 2798 enable_serial_target_configure=yes 2799 ;; 2800esac 2801 2802# These force 'configure's to be done one at a time, to avoid problems 2803# with contention over a shared config.cache. 2804rm -f serdep.tmp 2805echo '# serdep.tmp' > serdep.tmp 2806olditem= 2807test "x${enable_serial_build_configure}" = xyes && 2808for item in ${build_configdirs} ; do 2809 case ${olditem} in 2810 "") ;; 2811 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2812 esac 2813 olditem=${item} 2814done 2815olditem= 2816test "x${enable_serial_host_configure}" = xyes && 2817for item in ${configdirs} ; do 2818 case ${olditem} in 2819 "") ;; 2820 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2821 esac 2822 olditem=${item} 2823done 2824olditem= 2825test "x${enable_serial_target_configure}" = xyes && 2826for item in ${target_configdirs} ; do 2827 case ${olditem} in 2828 "") ;; 2829 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2830 esac 2831 olditem=${item} 2832done 2833serialization_dependencies=serdep.tmp 2834AC_SUBST_FILE(serialization_dependencies) 2835 2836# Base args. Strip norecursion, cache-file, srcdir, host, build, 2837# target, nonopt, and variable assignments. These are the ones we 2838# might not want to pass down to subconfigures. The exception being 2839# --cache-file=/dev/null, which is used to turn off the use of cache 2840# files altogether, and which should be passed on to subconfigures. 2841# Also strip program-prefix, program-suffix, and program-transform-name, 2842# so that we can pass down a consistent program-transform-name. 2843baseargs= 2844tbaseargs= 2845keep_next=no 2846skip_next=no 2847eval "set -- $ac_configure_args" 2848for ac_arg 2849do 2850 if test X"$skip_next" = X"yes"; then 2851 skip_next=no 2852 continue 2853 fi 2854 if test X"$keep_next" = X"yes"; then 2855 case $ac_arg in 2856 *\'*) 2857 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2858 esac 2859 baseargs="$baseargs '$ac_arg'" 2860 tbaseargs="$tbaseargs '$ac_arg'" 2861 keep_next=no 2862 continue 2863 fi 2864 2865 # Handle separated arguments. Based on the logic generated by 2866 # autoconf 2.59. 2867 case $ac_arg in 2868 *=* | --config-cache | -C | -disable-* | --disable-* \ 2869 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2870 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2871 | -with-* | --with-* | -without-* | --without-* | --x) 2872 separate_arg=no 2873 ;; 2874 -*) 2875 separate_arg=yes 2876 ;; 2877 *) 2878 separate_arg=no 2879 ;; 2880 esac 2881 2882 skip_targ=no 2883 case $ac_arg in 2884changequote(,) 2885 --with-* | --without-*) 2886 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2887 2888 case $libopt in 2889 *[-_]include) 2890 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2891 ;; 2892 *[-_]lib) 2893 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2894 ;; 2895 *) 2896 lib=$libopt 2897 ;; 2898 esac 2899changequote([,]) 2900 2901 case $lib in 2902 mpc | mpfr | gmp | isl) 2903 # If we're processing --with-$lib, --with-$lib-include or 2904 # --with-$lib-lib, for one of the libs above, and target is 2905 # different from host, don't pass the current argument to any 2906 # target library's configure. 2907 if test x$is_cross_compiler = xyes; then 2908 skip_targ=yes 2909 fi 2910 ;; 2911 esac 2912 ;; 2913 esac 2914 2915 case "$ac_arg" in 2916 --cache-file=/dev/null | \ 2917 -cache-file=/dev/null ) 2918 # Handled here to avoid the test to skip args below. 2919 baseargs="$baseargs '$ac_arg'" 2920 tbaseargs="$tbaseargs '$ac_arg'" 2921 # Assert: $separate_arg should always be no. 2922 keep_next=$separate_arg 2923 ;; 2924 --no*) 2925 continue 2926 ;; 2927 --c* | \ 2928 --sr* | \ 2929 --ho* | \ 2930 --bu* | \ 2931 --t* | \ 2932 --program-* | \ 2933 -cache_file* | \ 2934 -srcdir* | \ 2935 -host* | \ 2936 -build* | \ 2937 -target* | \ 2938 -program-prefix* | \ 2939 -program-suffix* | \ 2940 -program-transform-name* ) 2941 skip_next=$separate_arg 2942 continue 2943 ;; 2944 -*) 2945 # An option. Add it. 2946 case $ac_arg in 2947 *\'*) 2948 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2949 esac 2950 baseargs="$baseargs '$ac_arg'" 2951 if test X"$skip_targ" = Xno; then 2952 tbaseargs="$tbaseargs '$ac_arg'" 2953 fi 2954 keep_next=$separate_arg 2955 ;; 2956 *) 2957 # Either a variable assignment, or a nonopt (triplet). Don't 2958 # pass it down; let the Makefile handle this. 2959 continue 2960 ;; 2961 esac 2962done 2963# Remove the initial space we just introduced and, as these will be 2964# expanded by make, quote '$'. 2965baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2966 2967# Add in --program-transform-name, after --program-prefix and 2968# --program-suffix have been applied to it. Autoconf has already 2969# doubled dollar signs and backslashes in program_transform_name; we want 2970# the backslashes un-doubled, and then the entire thing wrapped in single 2971# quotes, because this will be expanded first by make and then by the shell. 2972# Also, because we want to override the logic in subdir configure scripts to 2973# choose program_transform_name, replace any s,x,x, with s,y,y,. 2974sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2975${program_transform_name} 2976EOF_SED 2977gcc_transform_name=`cat conftestsed.out` 2978rm -f conftestsed.out 2979baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2980tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 2981if test "$silent" = yes; then 2982 baseargs="$baseargs --silent" 2983 tbaseargs="$tbaseargs --silent" 2984fi 2985baseargs="$baseargs --disable-option-checking" 2986tbaseargs="$tbaseargs --disable-option-checking" 2987 2988# Record and document user additions to sub configure arguments. 2989AC_ARG_VAR([build_configargs], 2990 [additional configure arguments for build directories]) 2991AC_ARG_VAR([host_configargs], 2992 [additional configure arguments for host directories]) 2993AC_ARG_VAR([target_configargs], 2994 [additional configure arguments for target directories]) 2995 2996# For the build-side libraries, we just need to pretend we're native, 2997# and not use the same cache file. Multilibs are neither needed nor 2998# desired. We can't even use the same cache file for all build-side 2999# libraries, as they're compiled differently; some with C, some with 3000# C++ or with different feature-enabling options. 3001build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3002 3003# For host modules, accept cache file option, or specification as blank. 3004case "${cache_file}" in 3005"") # empty 3006 cache_file_option="" ;; 3007/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3008 cache_file_option="--cache-file=${cache_file}" ;; 3009*) # relative path 3010 cache_file_option="--cache-file=../${cache_file}" ;; 3011esac 3012 3013# Host dirs don't like to share a cache file either, horribly enough. 3014# This seems to be due to autoconf 2.5x stupidity. 3015host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3016 3017target_configargs="$target_configargs ${tbaseargs}" 3018 3019# Passing a --with-cross-host argument lets the target libraries know 3020# whether they are being built with a cross-compiler or being built 3021# native. However, it would be better to use other mechanisms to make the 3022# sorts of decisions they want to make on this basis. Please consider 3023# this option to be deprecated. FIXME. 3024if test x${is_cross_compiler} = xyes ; then 3025 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3026fi 3027 3028# Special user-friendly check for native x86_64-linux build, if 3029# multilib is not explicitly enabled. 3030case "$target:$have_compiler:$host:$target:$enable_multilib" in 3031 x86_64-*linux*:yes:$build:$build:) 3032 # Make sure we have a development environment that handles 32-bit 3033 dev64=no 3034 echo "int main () { return 0; }" > conftest.c 3035 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3036 if test $? = 0 ; then 3037 if test -s conftest || test -s conftest.exe ; then 3038 dev64=yes 3039 fi 3040 fi 3041 rm -f conftest* 3042 if test x${dev64} != xyes ; then 3043 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.]) 3044 fi 3045 ;; 3046esac 3047 3048# Default to --enable-multilib. 3049if test x${enable_multilib} = x ; then 3050 target_configargs="--enable-multilib ${target_configargs}" 3051fi 3052 3053# Pass --with-newlib if appropriate. Note that target_configdirs has 3054# changed from the earlier setting of with_newlib. 3055if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3056 target_configargs="--with-newlib ${target_configargs}" 3057fi 3058 3059# Different target subdirs use different values of certain variables 3060# (notably CXX). Worse, multilibs use *lots* of different values. 3061# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3062# it doesn't automatically accept command-line overrides of them. 3063# This means it's not safe for target subdirs to share a cache file, 3064# which is disgusting, but there you have it. Hopefully this can be 3065# fixed in future. It's still worthwhile to use a cache file for each 3066# directory. I think. 3067 3068# Pass the appropriate --build, --host, --target and --cache-file arguments. 3069# We need to pass --target, as newer autoconf's requires consistency 3070# for target_alias and gcc doesn't manage it consistently. 3071target_configargs="--cache-file=./config.cache ${target_configargs}" 3072 3073FLAGS_FOR_TARGET= 3074case " $target_configdirs " in 3075 *" newlib "*) 3076 case " $target_configargs " in 3077 *" --with-newlib "*) 3078 case "$target" in 3079 *-cygwin*) 3080 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3081 ;; 3082 esac 3083 3084 # If we're not building GCC, don't discard standard headers. 3085 if test -d ${srcdir}/gcc; then 3086 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3087 3088 if test "${build}" != "${host}"; then 3089 # On Canadian crosses, CC_FOR_TARGET will have already been set 3090 # by `configure', so we won't have an opportunity to add -Bgcc/ 3091 # to it. This is right: we don't want to search that directory 3092 # for binaries, but we want the header files in there, so add 3093 # them explicitly. 3094 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3095 3096 # Someone might think of using the pre-installed headers on 3097 # Canadian crosses, in case the installed compiler is not fully 3098 # compatible with the compiler being built. In this case, it 3099 # would be better to flag an error than risking having 3100 # incompatible object files being constructed. We can't 3101 # guarantee that an error will be flagged, but let's hope the 3102 # compiler will do it, when presented with incompatible header 3103 # files. 3104 fi 3105 fi 3106 3107 case "${target}-${is_cross_compiler}" in 3108 i[[3456789]]86-*-linux*-no) 3109 # Here host == target, so we don't need to build gcc, 3110 # so we don't want to discard standard headers. 3111 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3112 ;; 3113 *) 3114 # If we're building newlib, use its generic headers last, but search 3115 # for any libc-related directories first (so make it the last -B 3116 # switch). 3117 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3118 3119 # If we're building libgloss, find the startup file, simulator library 3120 # and linker script. 3121 case " $target_configdirs " in 3122 *" libgloss "*) 3123 # Look for startup file, simulator library and maybe linker script. 3124 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3125 # Look for libnosys.a in case the target needs it. 3126 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3127 # Most targets have the linker script in the source directory. 3128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3129 ;; 3130 esac 3131 ;; 3132 esac 3133 ;; 3134 esac 3135 ;; 3136esac 3137 3138case "$target" in 3139 x86_64-*mingw* | *-w64-mingw*) 3140 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3141 # however, use a symlink named 'mingw' in ${prefix} . 3142 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3143 ;; 3144 *-mingw*) 3145 # MinGW can't be handled as Cygwin above since it does not use newlib. 3146 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3147 ;; 3148esac 3149 3150# Allow the user to override the flags for 3151# our build compiler if desired. 3152if test x"${build}" = x"${host}" ; then 3153 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3154 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3155 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3156fi 3157 3158# On Canadian crosses, we'll be searching the right directories for 3159# the previously-installed cross compiler, so don't bother to add 3160# flags for directories within the install tree of the compiler 3161# being built; programs in there won't even run. 3162if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3163 # Search for pre-installed headers if nothing else fits. 3164 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3165fi 3166 3167if test "x${use_gnu_ld}" = x && 3168 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3169 # Arrange for us to find uninstalled linker scripts. 3170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3171fi 3172 3173# Search for other target-specific linker scripts and such. 3174case "${target}" in 3175 mep*) 3176 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3177 ;; 3178esac 3179 3180# Makefile fragments. 3181for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3182do 3183 eval fragval=\$$frag 3184 if test $fragval != /dev/null; then 3185 eval $frag=${srcdir}/$fragval 3186 fi 3187done 3188AC_SUBST_FILE(host_makefile_frag) 3189AC_SUBST_FILE(target_makefile_frag) 3190AC_SUBST_FILE(alphaieee_frag) 3191AC_SUBST_FILE(ospace_frag) 3192 3193# Miscellanea: directories, flags, etc. 3194AC_SUBST(RPATH_ENVVAR) 3195AC_SUBST(GCC_SHLIB_SUBDIR) 3196AC_SUBST(tooldir) 3197AC_SUBST(build_tooldir) 3198AC_SUBST(CONFIGURE_GDB_TK) 3199AC_SUBST(GDB_TK) 3200AC_SUBST(INSTALL_GDB_TK) 3201 3202# Build module lists & subconfigure args. 3203AC_SUBST(build_configargs) 3204AC_SUBST(build_configdirs) 3205 3206# Host module lists & subconfigure args. 3207AC_SUBST(host_configargs) 3208AC_SUBST(configdirs) 3209AC_SUBST(target_configdirs) 3210 3211# Target module lists & subconfigure args. 3212AC_SUBST(target_configargs) 3213 3214 3215# Build tools. 3216AC_SUBST(AR_FOR_BUILD) 3217AC_SUBST(AS_FOR_BUILD) 3218AC_SUBST(CC_FOR_BUILD) 3219AC_SUBST(CFLAGS_FOR_BUILD) 3220AC_SUBST(CXXFLAGS_FOR_BUILD) 3221AC_SUBST(CXX_FOR_BUILD) 3222AC_SUBST(DLLTOOL_FOR_BUILD) 3223AC_SUBST(GFORTRAN_FOR_BUILD) 3224AC_SUBST(GOC_FOR_BUILD) 3225AC_SUBST(LDFLAGS_FOR_BUILD) 3226AC_SUBST(LD_FOR_BUILD) 3227AC_SUBST(NM_FOR_BUILD) 3228AC_SUBST(RANLIB_FOR_BUILD) 3229AC_SUBST(WINDMC_FOR_BUILD) 3230AC_SUBST(WINDRES_FOR_BUILD) 3231 3232# Generate default definitions for YACC, M4, LEX and other programs that run 3233# on the build machine. These are used if the Makefile can't locate these 3234# programs in objdir. 3235MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3236 3237AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3238case " $build_configdirs " in 3239 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3240esac 3241 3242AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3243case " $build_configdirs " in 3244 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3245esac 3246 3247AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3248case " $build_configdirs " in 3249 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3250esac 3251 3252AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3253case " $build_configdirs " in 3254 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3255 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3256esac 3257 3258AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3259case " $build_configdirs " in 3260 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3261esac 3262 3263AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3264case " $build_configdirs " in 3265 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3266 *) 3267changequote(,) 3268 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3269 # higher, else we use the "missing" dummy. 3270 if ${MAKEINFO} --version \ 3271 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3272 : 3273 else 3274 MAKEINFO="$MISSING makeinfo" 3275 fi 3276 ;; 3277changequote([,]) 3278esac 3279 3280# FIXME: expect and dejagnu may become build tools? 3281 3282AC_CHECK_PROGS(EXPECT, expect, expect) 3283case " $configdirs " in 3284 *" expect "*) 3285 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3286 ;; 3287esac 3288 3289AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3290case " $configdirs " in 3291 *" dejagnu "*) 3292 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3293 ;; 3294esac 3295 3296 3297# Host tools. 3298NCN_STRICT_CHECK_TOOLS(AR, ar) 3299NCN_STRICT_CHECK_TOOLS(AS, as) 3300NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3301NCN_STRICT_CHECK_TOOLS(LD, ld) 3302NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3303NCN_STRICT_CHECK_TOOLS(NM, nm) 3304NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3305NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3306NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3307NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3308NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3309NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3310NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3311AC_SUBST(CC) 3312AC_SUBST(CXX) 3313AC_SUBST(CFLAGS) 3314AC_SUBST(CXXFLAGS) 3315 3316# Target tools. 3317AC_ARG_WITH([build-time-tools], 3318 [AS_HELP_STRING([--with-build-time-tools=PATH], 3319 [use given path to find target tools during the build])], 3320 [case x"$withval" in 3321 x/*) ;; 3322 *) 3323 with_build_time_tools= 3324 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3325 ;; 3326 esac], 3327 [with_build_time_tools=]) 3328 3329NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3330NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3331NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3332NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3333NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3334 3335ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3336ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3337ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3338ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3339ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3340ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3341ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3342ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3343ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3344ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3345ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3346ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3347ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3348 3349RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3350 3351GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3352GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3353GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3354dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3355GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3356 [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], 3357 c++) 3358GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3359 [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], 3360 c++) 3361GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3362GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3363GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3364 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3365GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3366 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3367GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3368GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3369GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3370GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3371GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3372GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3373GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3374GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3375GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3376GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3377 3378AC_SUBST(FLAGS_FOR_TARGET) 3379AC_SUBST(RAW_CXX_FOR_TARGET) 3380 3381# Certain tools may need extra flags. 3382AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3383RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3384NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3385 3386# When building target libraries, except in a Canadian cross, we use 3387# the same toolchain as the compiler we just built. 3388COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3389COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3390COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3391if test $host = $build; then 3392 case " $configdirs " in 3393 *" gcc "*) 3394 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3395 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3396 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3397 ;; 3398 esac 3399fi 3400 3401AC_SUBST(COMPILER_AS_FOR_TARGET) 3402AC_SUBST(COMPILER_LD_FOR_TARGET) 3403AC_SUBST(COMPILER_NM_FOR_TARGET) 3404 3405AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3406AC_ARG_ENABLE(maintainer-mode, 3407[AS_HELP_STRING([--enable-maintainer-mode], 3408 [enable make rules and dependencies not useful 3409 (and sometimes confusing) to the casual installer])], 3410 USE_MAINTAINER_MODE=$enableval, 3411 USE_MAINTAINER_MODE=no) 3412AC_MSG_RESULT($USE_MAINTAINER_MODE) 3413AC_SUBST(MAINTAINER_MODE_TRUE) 3414AC_SUBST(MAINTAINER_MODE_FALSE) 3415if test "$USE_MAINTAINER_MODE" = yes; then 3416 MAINTAINER_MODE_TRUE= 3417 MAINTAINER_MODE_FALSE='#' 3418else 3419 MAINTAINER_MODE_TRUE='#' 3420 MAINTAINER_MODE_FALSE= 3421fi 3422MAINT=$MAINTAINER_MODE_TRUE 3423AC_SUBST(MAINT)dnl 3424 3425# --------------------- 3426# GCC bootstrap support 3427# --------------------- 3428 3429# Stage specific cflags for build. 3430stage1_cflags="-g" 3431case $build in 3432 vax-*-*) 3433 case ${GCC} in 3434 yes) stage1_cflags="-g -Wa,-J" ;; 3435 *) stage1_cflags="-g -J" ;; 3436 esac ;; 3437esac 3438 3439AC_SUBST(stage1_cflags) 3440 3441# Enable --enable-checking in stage1 of the compiler. 3442AC_ARG_ENABLE(stage1-checking, 3443[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3444 [choose additional checking for stage1 of the compiler])], 3445[stage1_checking=--enable-checking=${enable_stage1_checking}], 3446[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3447 # For --disable-checking or implicit --enable-checking=release, avoid 3448 # setting --enable-checking=gc in the default stage1 checking for LTO 3449 # bootstraps. See PR62077. 3450 case $BUILD_CONFIG in 3451 *lto*) 3452 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3453 *) 3454 stage1_checking=--enable-checking=yes,types;; 3455 esac 3456 if test "x$enable_checking" = x && \ 3457 test -d ${srcdir}/gcc && \ 3458 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3459 stage1_checking=--enable-checking=yes,types,extra 3460 fi 3461else 3462 stage1_checking=--enable-checking=$enable_checking,types 3463fi]) 3464AC_SUBST(stage1_checking) 3465 3466# Enable -Werror in bootstrap stage2 and later. 3467AC_ARG_ENABLE(werror, 3468[AS_HELP_STRING([--enable-werror], 3469 [enable -Werror in bootstrap stage2 and later])], [], 3470[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3471 enable_werror=yes 3472else 3473 enable_werror=no 3474fi]) 3475case ${enable_werror} in 3476 yes) stage2_werror_flag="--enable-werror-always" ;; 3477 *) stage2_werror_flag="" ;; 3478esac 3479AC_SUBST(stage2_werror_flag) 3480 3481# Enable --enable-host-shared. 3482AC_ARG_ENABLE(host-shared, 3483[AS_HELP_STRING([--enable-host-shared], 3484 [build host code as shared libraries])], 3485[host_shared=$enableval], [host_shared=no]) 3486AC_SUBST(host_shared) 3487 3488# PR jit/64780: Require the user to explicitly specify 3489# --enable-host-shared if the jit is enabled, hinting 3490# that they might want to do a separate configure/build of 3491# the jit, to avoid users from slowing down the rest of the 3492# compiler by enabling the jit. 3493if test ${host_shared} = "no" ; then 3494 case "${enable_languages}" in 3495 *jit*) 3496 AC_MSG_ERROR([ 3497Enabling language "jit" requires --enable-host-shared. 3498 3499--enable-host-shared typically slows the rest of the compiler down by 3500a few %, so you must explicitly enable it. 3501 3502If you want to build both the jit and the regular compiler, it is often 3503best to do this via two separate configure/builds, in separate 3504directories, to avoid imposing the performance cost of 3505--enable-host-shared on the regular compiler.]) 3506 ;; 3507 *) 3508 ;; 3509 esac 3510fi 3511 3512# Specify what files to not compare during bootstrap. 3513 3514compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3515case "$target" in 3516 hppa*64*-*-hpux*) ;; 3517 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3518 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3519esac 3520AC_SUBST(compare_exclusions) 3521 3522AC_CONFIG_FILES([Makefile], 3523 [sed "$extrasub_build" Makefile | 3524 sed "$extrasub_host" | 3525 sed "$extrasub_target" > mf$$ 3526 mv -f mf$$ Makefile], 3527 [extrasub_build="$extrasub_build" 3528 extrasub_host="$extrasub_host" 3529 extrasub_target="$extrasub_target"]) 3530AC_OUTPUT 3531