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, 2019, 2020 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_DISABLE_OPTION_CHECKING 35 36progname=$0 37# if PWD already has a value, it is probably wrong. 38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 39 40# Export original configure arguments for use by sub-configures. 41# Quote arguments with shell meta charatcers. 42TOPLEVEL_CONFIGURE_ARGUMENTS= 43set -- "$progname" "$@" 44for ac_arg 45do 46 case "$ac_arg" in 47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 49 # if the argument is of the form -foo=baz, quote the baz part only 50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 51 *) ;; 52 esac 53 # Add the quoted argument to the list. 54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 55done 56if test "$silent" = yes; then 57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 58fi 59# Remove the initial space we just introduced and, as these will be 60# expanded by make, quote '$'. 61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 63 64# Find the build, host, and target systems. 65ACX_NONCANONICAL_BUILD 66ACX_NONCANONICAL_HOST 67ACX_NONCANONICAL_TARGET 68 69dnl Autoconf 2.5x and later will set a default program prefix if 70dnl --target was used, even if it was the same as --host. Disable 71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 72dnl to take effect. 73test "$host_noncanonical" = "$target_noncanonical" && 74 test "$program_prefix$program_suffix$program_transform_name" = \ 75 NONENONEs,x,x, && 76 program_transform_name=s,y,y, 77 78AC_CANONICAL_SYSTEM 79AC_ARG_PROGRAM 80 81m4_pattern_allow([^AS_FOR_TARGET$])dnl 82m4_pattern_allow([^AS_FOR_BUILD$])dnl 83 84# Get 'install' or 'install-sh' and its variants. 85AC_PROG_INSTALL 86ACX_PROG_LN 87AC_PROG_LN_S 88AC_PROG_SED 89AC_PROG_AWK 90 91srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 92 93# We pass INSTALL explicitly to sub-makes. Make sure that it is not 94# a relative path. 95if test "$INSTALL" = "${srcdir}/install-sh -c"; then 96 INSTALL="${srcpwd}/install-sh -c" 97fi 98 99# Set srcdir to "." if that's what it is. 100# This is important for multilib support. 101pwd=`${PWDCMD-pwd}` 102if test "${pwd}" = "${srcpwd}" ; then 103 srcdir=. 104fi 105 106topsrcdir=$srcpwd 107 108extra_host_args= 109 110### To add a new directory to the tree, first choose whether it is a target 111### or a host dependent tool. Then put it into the appropriate list 112### (library or tools, host or target), doing a dependency sort. 113 114# Subdirs will be configured in the order listed in build_configdirs, 115# configdirs, or target_configdirs; see the serialization section below. 116 117# Dependency sorting is only needed when *configuration* must be done in 118# a particular order. In all cases a dependency should be specified in 119# the Makefile, whether or not it's implicitly specified here. 120 121# Double entries in build_configdirs, configdirs, or target_configdirs may 122# cause circular dependencies and break everything horribly. 123 124# these library is used by various programs built for the build 125# environment 126# 127build_libs="build-libiberty build-libcpp" 128 129# these tools are built for the build environment 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 131 132# these libraries are used by various programs built for the host environment 133#f 134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf" 135 136# these tools are built for the host environment 137# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 138# know that we are building the simulator. 139# binutils, gas and ld appear in that order because it makes sense to run 140# "make check" in that particular order. 141# If --enable-gold is used, "gold" may replace "ld". 142host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 143 144# these libraries are built for the target environment, and are built after 145# the host libraries and the host tools (which may be a cross compiler) 146# Note that libiberty is not a target library. 147target_libraries="target-libgcc \ 148 target-libbacktrace \ 149 target-libgloss \ 150 target-newlib \ 151 target-libgomp \ 152 target-liboffloadmic \ 153 target-libhsail-rt \ 154 target-libatomic \ 155 target-libitm \ 156 target-libstdc++-v3 \ 157 target-libsanitizer \ 158 target-libvtv \ 159 target-libssp \ 160 target-libquadmath \ 161 target-libgfortran \ 162 target-libffi \ 163 target-libobjc \ 164 target-libada \ 165 target-libgo" 166 167# these tools are built using the target libraries, and are intended to 168# run only in the target environment 169# 170# note: any program that *uses* libraries that are in the "target_libraries" 171# list belongs in this list. 172# 173target_tools="target-rda" 174 175################################################################################ 176 177## All tools belong in one of the four categories, and are assigned above 178## We assign ${configdirs} this way to remove all embedded newlines. This 179## is important because configure will choke if they ever get through. 180## ${configdirs} is directories we build using the host tools. 181## ${target_configdirs} is directories we build using the target tools. 182configdirs=`echo ${host_libs} ${host_tools}` 183target_configdirs=`echo ${target_libraries} ${target_tools}` 184build_configdirs=`echo ${build_libs} ${build_tools}` 185 186m4_divert_text([PARSE_ARGS], 187[case $srcdir in 188 *" "*) 189m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 190 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 191m4_popdef([AS_MESSAGE_LOG_FD])dnl 192 ;; 193esac 194ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 195]) 196 197################################################################################ 198 199srcname="gnu development package" 200 201# This gets set non-empty for some net releases of packages. 202appdirs="" 203 204# Define is_cross_compiler to save on calls to 'test'. 205is_cross_compiler= 206if test x"${host}" = x"${target}" ; then 207 is_cross_compiler=no 208else 209 is_cross_compiler=yes 210fi 211 212# Find the build and target subdir names. 213GCC_TOPLEV_SUBDIRS 214# Be sure to cover against remnants of an in-tree build. 215if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 217Use a pristine source tree when building in a separate tree]) 218fi 219 220# Skipdirs are removed silently. 221skipdirs= 222# Noconfigdirs are removed loudly. 223noconfigdirs="" 224 225use_gnu_ld= 226# Make sure we don't let GNU ld be added if we didn't want it. 227if test x$with_gnu_ld = xno ; then 228 use_gnu_ld=no 229 noconfigdirs="$noconfigdirs ld gold" 230fi 231 232use_gnu_as= 233# Make sure we don't let GNU as be added if we didn't want it. 234if test x$with_gnu_as = xno ; then 235 use_gnu_as=no 236 noconfigdirs="$noconfigdirs gas" 237fi 238 239use_included_zlib= 240AC_ARG_WITH(system-zlib, 241[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 242# Make sure we don't let ZLIB be added if we didn't want it. 243if test x$with_system_zlib = xyes ; then 244 use_included_zlib=no 245 noconfigdirs="$noconfigdirs zlib" 246fi 247 248# Don't compile the bundled readline/libreadline.a if --with-system-readline 249# is provided. 250if test x$with_system_readline = xyes ; then 251 noconfigdirs="$noconfigdirs readline" 252fi 253 254# some tools are so dependent upon X11 that if we're not building with X, 255# it's not even worth trying to configure, much less build, that tool. 256 257case ${with_x} in 258 yes | "") ;; # the default value for this tree is that X11 is available 259 no) 260 skipdirs="${skipdirs} tk itcl libgui" 261 # We won't be able to build gdbtk without X. 262 enable_gdbtk=no 263 ;; 264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 265esac 266 267# Some are only suitable for cross toolchains. 268# Remove these if host=target. 269cross_only="target-libgloss target-newlib target-opcodes" 270 271case $is_cross_compiler in 272 no) skipdirs="${skipdirs} ${cross_only}" ;; 273esac 274 275# If both --with-headers and --with-libs are specified, default to 276# --without-newlib. 277if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 279 if test x"${with_newlib}" = x ; then 280 with_newlib=no 281 fi 282fi 283 284# Recognize --with-newlib/--without-newlib. 285case ${with_newlib} in 286 no) skipdirs="${skipdirs} target-newlib" ;; 287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 288esac 289 290AC_ARG_ENABLE(as-accelerator-for, 291[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 292 [build as offload target compiler. 293 Specify offload host triple by ARG])]) 294 295AC_ARG_ENABLE(offload-targets, 296[AS_HELP_STRING([--enable-offload-targets=LIST], 297 [enable offloading to devices from comma-separated LIST of 298 TARGET[=DIR]. Use optional path to find offload target compiler 299 during the build])], 300[ 301 if test x"$enable_offload_targets" = x; then 302 AC_MSG_ERROR([no offload targets specified]) 303 fi 304], [enable_offload_targets=]) 305 306# Handle --enable-gold, --enable-ld. 307# --disable-gold [--enable-ld] 308# Build only ld. Default option. 309# --enable-gold [--enable-ld] 310# Build both gold and ld. Install gold as "ld.gold", install ld 311# as "ld.bfd" and "ld". 312# --enable-gold=default [--enable-ld] 313# Build both gold and ld. Install gold as "ld.gold" and "ld", 314# install ld as "ld.bfd". 315# --enable-gold[=default] --disable-ld 316# Build only gold, which is then installed as both "ld.gold" and "ld". 317# --enable-gold --enable-ld=default 318# Build both gold (installed as "ld.gold") and ld (installed as "ld" 319# and ld.bfd). 320# In other words, ld is default 321# --enable-gold=default --enable-ld=default 322# Error. 323 324default_ld= 325AC_ARG_ENABLE(gold, 326[AS_HELP_STRING([[--enable-gold[=ARG]]], 327 [build gold @<:@ARG={default,yes,no}@:>@])], 328ENABLE_GOLD=$enableval, 329ENABLE_GOLD=no) 330case "${ENABLE_GOLD}" in 331 yes|default) 332 # Check for ELF target. 333 is_elf=no 334 case "${target}" in 335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 338 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 339 case "${target}" in 340 *-*-linux*aout* | *-*-linux*oldld*) 341 ;; 342 *) 343 is_elf=yes 344 ;; 345 esac 346 esac 347 348 if test "$is_elf" = "yes"; then 349 # Check for target supported by gold. 350 case "${target}" in 351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 352 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 353 configdirs="$configdirs gold" 354 if test x${ENABLE_GOLD} = xdefault; then 355 default_ld=gold 356 fi 357 ENABLE_GOLD=yes 358 ;; 359 esac 360 fi 361 ;; 362 no) 363 ;; 364 *) 365 AC_MSG_ERROR([invalid --enable-gold argument]) 366 ;; 367esac 368 369AC_ARG_ENABLE(ld, 370[AS_HELP_STRING([[--enable-ld[=ARG]]], 371 [build ld @<:@ARG={default,yes,no}@:>@])], 372ENABLE_LD=$enableval, 373ENABLE_LD=yes) 374 375case "${ENABLE_LD}" in 376 default) 377 if test x${default_ld} != x; then 378 AC_MSG_ERROR([either gold or ld can be the default ld]) 379 fi 380 ;; 381 yes) 382 ;; 383 no) 384 if test x${ENABLE_GOLD} != xyes; then 385 AC_MSG_WARN([neither ld nor gold are enabled]) 386 fi 387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 388 ;; 389 *) 390 AC_MSG_ERROR([invalid --enable-ld argument]) 391 ;; 392esac 393 394# PR gas/19109 395# Decide the default method for compressing debug sections. 396# Provide a configure time option to override our default. 397AC_ARG_ENABLE(compressed_debug_sections, 398[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 399 [Enable compressed debug sections for gas, gold or ld by 400 default])], 401[ 402 if test x"$enable_compressed_debug_sections" = xyes; then 403 AC_MSG_ERROR([no program with compressed debug sections specified]) 404 fi 405], [enable_compressed_debug_sections=]) 406 407# Configure extra directories which are host specific 408 409case "${host}" in 410 *-cygwin*) 411 configdirs="$configdirs libtermcap" ;; 412esac 413 414# A target can indicate whether a language isn't supported for some reason. 415# Only spaces may be used in this macro; not newlines or tabs. 416unsupported_languages= 417 418# Remove more programs from consideration, based on the host or 419# target this usually means that a port of the program doesn't 420# exist yet. 421 422case "${host}" in 423 i[[3456789]]86-*-msdosdjgpp*) 424 noconfigdirs="$noconfigdirs tcl tk itcl" 425 ;; 426esac 427 428 429AC_ARG_ENABLE(libquadmath, 430AS_HELP_STRING([--disable-libquadmath], 431 [do not build libquadmath directory]), 432ENABLE_LIBQUADMATH=$enableval, 433ENABLE_LIBQUADMATH=yes) 434if test "${ENABLE_LIBQUADMATH}" = "no" ; then 435 noconfigdirs="$noconfigdirs target-libquadmath" 436fi 437 438 439AC_ARG_ENABLE(libquadmath-support, 440AS_HELP_STRING([--disable-libquadmath-support], 441 [disable libquadmath support for Fortran]), 442ENABLE_LIBQUADMATH_SUPPORT=$enableval, 443ENABLE_LIBQUADMATH_SUPPORT=yes) 444enable_libquadmath_support= 445if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 446 enable_libquadmath_support=no 447fi 448 449 450AC_ARG_ENABLE(libada, 451[AS_HELP_STRING([--enable-libada], [build libada directory])], 452ENABLE_LIBADA=$enableval, 453ENABLE_LIBADA=yes) 454if test "${ENABLE_LIBADA}" != "yes" ; then 455 noconfigdirs="$noconfigdirs gnattools" 456fi 457 458AC_ARG_ENABLE(libssp, 459[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 460ENABLE_LIBSSP=$enableval, 461ENABLE_LIBSSP=yes) 462 463AC_ARG_ENABLE(libstdcxx, 464AS_HELP_STRING([--disable-libstdcxx], 465 [do not build libstdc++-v3 directory]), 466ENABLE_LIBSTDCXX=$enableval, 467ENABLE_LIBSTDCXX=default) 468[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 469 noconfigdirs="$noconfigdirs target-libstdc++-v3" 470fi] 471 472# If this is accelerator compiler and its target is intelmic we enable 473# target liboffloadmic by default. If this is compiler with offloading 474# for intelmic we enable host liboffloadmic by default. Otherwise 475# liboffloadmic is disabled by default. 476AC_ARG_ENABLE([liboffloadmic], 477AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 478 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 479[case "$enableval" in 480 no | host | target) 481 enable_liboffloadmic=$enableval ;; 482 *) 483 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 484esac], 485[if test x"$enable_as_accelerator_for" != x; then 486 case "${target}" in 487 *-intelmic-* | *-intelmicemul-*) 488 enable_liboffloadmic=target 489 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 490 ;; 491 *) 492 enable_liboffloadmic=no 493 ;; 494 esac 495else 496 case "${enable_offload_targets}" in 497 *-intelmic-* | *-intelmicemul-*) 498 enable_liboffloadmic=host 499 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 500 ;; 501 *) 502 enable_liboffloadmic=no 503 ;; 504 esac 505fi]) 506AC_SUBST(extra_liboffloadmic_configure_flags) 507 508# Enable libgomp by default on hosted POSIX systems, and a few others. 509if test x$enable_libgomp = x ; then 510 case "${target}" in 511 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 512 ;; 513 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 514 ;; 515 *-*-solaris2* | *-*-hpux11*) 516 ;; 517 *-*-darwin* | *-*-aix*) 518 ;; 519 nvptx*-*-*) 520 ;; 521 *) 522 noconfigdirs="$noconfigdirs target-libgomp" 523 ;; 524 esac 525fi 526 527# Disable libatomic on unsupported systems. 528if test -d ${srcdir}/libatomic; then 529 if test x$enable_libatomic = x; then 530 AC_MSG_CHECKING([for libatomic support]) 531 if (srcdir=${srcdir}/libatomic; \ 532 . ${srcdir}/configure.tgt; \ 533 test -n "$UNSUPPORTED") 534 then 535 AC_MSG_RESULT([no]) 536 noconfigdirs="$noconfigdirs target-libatomic" 537 else 538 AC_MSG_RESULT([yes]) 539 fi 540 fi 541fi 542 543# Disable liboffloadmic on unsupported systems. 544if test -d ${srcdir}/liboffloadmic; then 545 if test x$enable_liboffloadmic != xno; then 546 AC_MSG_CHECKING([for liboffloadmic support]) 547 if (srcdir=${srcdir}/liboffloadmic; \ 548 . ${srcdir}/configure.tgt; \ 549 test -n "$UNSUPPORTED") 550 then 551 AC_MSG_RESULT([no]) 552 noconfigdirs="$noconfigdirs target-liboffloadmic" 553 else 554 AC_MSG_RESULT([yes]) 555 fi 556 fi 557fi 558 559# Disable libitm on unsupported systems. 560if test -d ${srcdir}/libitm; then 561 if test x$enable_libitm = x; then 562 AC_MSG_CHECKING([for libitm support]) 563 if (srcdir=${srcdir}/libitm; \ 564 . ${srcdir}/configure.tgt; \ 565 test -n "$UNSUPPORTED") 566 then 567 AC_MSG_RESULT([no]) 568 noconfigdirs="$noconfigdirs target-libitm" 569 else 570 AC_MSG_RESULT([yes]) 571 fi 572 fi 573fi 574 575# Disable libsanitizer on unsupported systems. 576if test -d ${srcdir}/libsanitizer; then 577 if test x$enable_libsanitizer = x; then 578 AC_MSG_CHECKING([for libsanitizer support]) 579 if (srcdir=${srcdir}/libsanitizer; \ 580 . ${srcdir}/configure.tgt; \ 581 test -n "$UNSUPPORTED") 582 then 583 AC_MSG_RESULT([no]) 584 noconfigdirs="$noconfigdirs target-libsanitizer" 585 else 586 AC_MSG_RESULT([yes]) 587 fi 588 fi 589fi 590 591# Disable libvtv on unsupported systems. 592if test -d ${srcdir}/libvtv; then 593 if test x$enable_libvtv = x; then 594 AC_MSG_CHECKING([for libvtv support]) 595 if (srcdir=${srcdir}/libvtv; \ 596 . ${srcdir}/configure.tgt; \ 597 test "$VTV_SUPPORTED" != "yes") 598 then 599 AC_MSG_RESULT([no]) 600 noconfigdirs="$noconfigdirs target-libvtv" 601 else 602 AC_MSG_RESULT([yes]) 603 fi 604 fi 605fi 606 607 608# Disable libhsail-rt on unsupported systems. 609if test -d ${srcdir}/libhsail-rt; then 610 if test x$enable_libhsail_rt = x; then 611 AC_MSG_CHECKING([for libhsail-rt support]) 612 if (srcdir=${srcdir}/libhsail-rt; \ 613 . ${srcdir}/configure.tgt; \ 614 test -n "$UNSUPPORTED") 615 then 616 AC_MSG_RESULT([no]) 617 unsupported_languages="$unsupported_languages brig" 618 # This implicitly disables also target-libhsail-rt as it won't 619 # get added to the build without BRIG FE. 620 else 621 AC_MSG_RESULT([yes]) 622 fi 623 fi 624fi 625 626 627# Disable libquadmath for some systems. 628case "${target}" in 629 avr-*-*) 630 noconfigdirs="$noconfigdirs target-libquadmath" 631 ;; 632 # libquadmath is unused on AIX and libquadmath build process use of 633 # LD_LIBRARY_PATH can break AIX bootstrap. 634 powerpc-*-aix* | rs6000-*-aix*) 635 noconfigdirs="$noconfigdirs target-libquadmath" 636 ;; 637esac 638 639# Disable libssp for some systems. 640case "${target}" in 641 avr-*-*) 642 # No hosted I/O support. 643 noconfigdirs="$noconfigdirs target-libssp" 644 ;; 645 powerpc-*-aix* | rs6000-*-aix*) 646 noconfigdirs="$noconfigdirs target-libssp" 647 ;; 648 rl78-*-*) 649 # libssp uses a misaligned load to trigger a fault, but the RL78 650 # doesn't fault for those - instead, it gives a build-time error 651 # for explicit misaligned loads. 652 noconfigdirs="$noconfigdirs target-libssp" 653 ;; 654 visium-*-*) 655 # No hosted I/O support. 656 noconfigdirs="$noconfigdirs target-libssp" 657 ;; 658esac 659 660# Disable libstdc++-v3 for some systems. 661# Allow user to override this if they pass --enable-libstdc++-v3 662if test "${ENABLE_LIBSTDCXX}" = "default" ; then 663 case "${target}" in 664 *-*-vxworks*) 665 # VxWorks uses the Dinkumware C++ library. 666 noconfigdirs="$noconfigdirs target-libstdc++-v3" 667 ;; 668 arm*-wince-pe*) 669 # the C++ libraries don't build on top of CE's C libraries 670 noconfigdirs="$noconfigdirs target-libstdc++-v3" 671 ;; 672 avr-*-*) 673 noconfigdirs="$noconfigdirs target-libstdc++-v3" 674 ;; 675 ft32-*-*) 676 noconfigdirs="$noconfigdirs target-libstdc++-v3" 677 ;; 678 esac 679fi 680 681# Disable Fortran for some systems. 682case "${target}" in 683 mmix-*-*) 684 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 685 unsupported_languages="$unsupported_languages fortran" 686 ;; 687esac 688 689# Disable libffi for some systems. 690case "${target}" in 691 powerpc-*-darwin*) 692 ;; 693 i[[3456789]]86-*-darwin*) 694 ;; 695 x86_64-*-darwin[[912]]*) 696 ;; 697 *-*-darwin*) 698 noconfigdirs="$noconfigdirs target-libffi" 699 ;; 700 *-*-netware*) 701 noconfigdirs="$noconfigdirs target-libffi" 702 ;; 703 *-*-phoenix*) 704 noconfigdirs="$noconfigdirs target-libffi" 705 ;; 706 *-*-rtems*) 707 noconfigdirs="$noconfigdirs target-libffi" 708 ;; 709 *-*-tpf*) 710 noconfigdirs="$noconfigdirs target-libffi" 711 ;; 712 *-*-uclinux*) 713 noconfigdirs="$noconfigdirs target-libffi" 714 ;; 715 *-*-vxworks*) 716 noconfigdirs="$noconfigdirs target-libffi" 717 ;; 718 aarch64*-*-freebsd*) 719 noconfigdirs="$noconfigdirs target-libffi" 720 ;; 721 alpha*-*-*vms*) 722 noconfigdirs="$noconfigdirs target-libffi" 723 ;; 724 arm*-*-freebsd*) 725 noconfigdirs="$noconfigdirs target-libffi" 726 ;; 727 arm-wince-pe) 728 noconfigdirs="$noconfigdirs target-libffi" 729 ;; 730 arm*-*-symbianelf*) 731 noconfigdirs="$noconfigdirs target-libffi" 732 ;; 733 cris-*-* | crisv32-*-*) 734 case "${target}" in 735 *-*-linux*) 736 ;; 737 *) # See PR46792 regarding target-libffi. 738 noconfigdirs="$noconfigdirs target-libffi";; 739 esac 740 ;; 741 hppa*64*-*-hpux*) 742 noconfigdirs="$noconfigdirs target-libffi" 743 ;; 744 hppa*-hp-hpux11*) 745 ;; 746 hppa*-*-hpux*) 747 noconfigdirs="$noconfigdirs target-libffi" 748 ;; 749 ia64*-*-*vms*) 750 noconfigdirs="$noconfigdirs target-libffi" 751 ;; 752 i[[3456789]]86-w64-mingw*) 753 noconfigdirs="$noconfigdirs target-libffi" 754 ;; 755 i[[3456789]]86-*-mingw*) 756 noconfigdirs="$noconfigdirs target-libffi" 757 ;; 758 x86_64-*-mingw*) 759 noconfigdirs="$noconfigdirs target-libffi" 760 ;; 761 mmix-*-*) 762 noconfigdirs="$noconfigdirs target-libffi" 763 ;; 764 powerpc-*-aix*) 765 ;; 766 rs6000-*-aix*) 767 ;; 768 ft32-*-*) 769 noconfigdirs="$noconfigdirs target-libffi" 770 ;; 771 *-*-lynxos*) 772 noconfigdirs="$noconfigdirs target-libffi" 773 ;; 774esac 775 776# Disable the go frontend on systems where it is known to not work. Please keep 777# this in sync with contrib/config-list.mk. 778case "${target}" in 779*-*-darwin* | *-*-cygwin* | *-*-mingw*) 780 unsupported_languages="$unsupported_languages go" 781 ;; 782esac 783 784# Only allow gdbserver on some systems. 785if test -d ${srcdir}/gdbserver; then 786 if test x$enable_gdbserver = x; then 787 AC_MSG_CHECKING([for gdbserver support]) 788 if (srcdir=${srcdir}/gdbserver; \ 789 . ${srcdir}/configure.srv; \ 790 test -n "$UNSUPPORTED") 791 then 792 AC_MSG_RESULT([no]) 793 noconfigdirs="$noconfigdirs gdbserver" 794 else 795 AC_MSG_RESULT([yes]) 796 fi 797 fi 798fi 799 800# Disable libgo for some systems where it is known to not work. 801# For testing, you can easily override this with --enable-libgo. 802if test x$enable_libgo = x; then 803 case "${target}" in 804 *-*-darwin*) 805 # PR 46986 806 noconfigdirs="$noconfigdirs target-libgo" 807 ;; 808 *-*-cygwin* | *-*-mingw*) 809 noconfigdirs="$noconfigdirs target-libgo" 810 ;; 811 esac 812fi 813 814# Default libgloss CPU subdirectory. 815libgloss_dir="$target_cpu" 816 817case "${target}" in 818 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 819 libgloss_dir=wince 820 ;; 821 aarch64*-*-* ) 822 libgloss_dir=aarch64 823 ;; 824 arm*-*-*) 825 libgloss_dir=arm 826 ;; 827 cris-*-* | crisv32-*-*) 828 libgloss_dir=cris 829 ;; 830 hppa*-*-*) 831 libgloss_dir=pa 832 ;; 833 i[[3456789]]86-*-*) 834 libgloss_dir=i386 835 ;; 836 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 837 libgloss_dir=m68hc11 838 ;; 839 m68*-*-* | fido-*-*) 840 libgloss_dir=m68k 841 ;; 842 mips*-*-*) 843 libgloss_dir=mips 844 ;; 845 powerpc*-*-*) 846 libgloss_dir=rs6000 847 ;; 848 sparc*-*-*) 849 libgloss_dir=sparc 850 ;; 851esac 852 853# Disable newlib and libgloss for various target OSes. 854case "${target}" in 855 alpha*-dec-osf*) 856 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 857 ;; 858 i[[3456789]]86-*-linux*) 859 # This section makes it possible to build newlib natively on linux. 860 # If we are using a cross compiler then don't configure newlib. 861 if test x${is_cross_compiler} != xno ; then 862 noconfigdirs="$noconfigdirs target-newlib" 863 fi 864 noconfigdirs="$noconfigdirs target-libgloss" 865 # If we are not using a cross compiler, do configure newlib. 866 # Note however, that newlib will only be configured in this situation 867 # if the --with-newlib option has been given, because otherwise 868 # 'target-newlib' will appear in skipdirs. 869 ;; 870 i[[3456789]]86-*-rdos*) 871 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 872 ;; 873 sh*-*-pe|mips*-*-pe|arm-wince-pe) 874 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 875 ;; 876 sparc-*-sunos4*) 877 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 878 ;; 879 *-*-aix*) 880 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 881 ;; 882 *-*-beos*) 883 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 884 ;; 885 *-*-chorusos) 886 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 887 ;; 888 *-*-dragonfly*) 889 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 890 ;; 891 *-*-freebsd*) 892 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 893 ;; 894 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 895 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 896 ;; 897 *-*-lynxos*) 898 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 899 ;; 900 *-*-mingw*) 901 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 902 ;; 903 *-*-netbsd*) 904 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 905 ;; 906 *-*-netware*) 907 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 908 ;; 909 *-*-tpf*) 910 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 911 ;; 912 *-*-uclinux*) 913 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 914 ;; 915 *-*-vxworks*) 916 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 917 ;; 918esac 919 920case "${target}" in 921 *-*-chorusos) 922 ;; 923 aarch64-*-darwin*) 924 noconfigdirs="$noconfigdirs ld gas gdb gprof" 925 noconfigdirs="$noconfigdirs sim target-rda" 926 ;; 927 arm-*-darwin*) 928 noconfigdirs="$noconfigdirs ld gas gdb gprof" 929 noconfigdirs="$noconfigdirs sim target-rda" 930 ;; 931 powerpc-*-darwin*) 932 noconfigdirs="$noconfigdirs ld gas gdb gprof" 933 noconfigdirs="$noconfigdirs sim target-rda" 934 ;; 935 i[[3456789]]86-*-darwin*) 936 noconfigdirs="$noconfigdirs ld gprof" 937 noconfigdirs="$noconfigdirs sim target-rda" 938 ;; 939 x86_64-*-darwin[[912]]*) 940 noconfigdirs="$noconfigdirs ld gas gprof" 941 noconfigdirs="$noconfigdirs sim target-rda" 942 ;; 943 *-*-darwin*) 944 noconfigdirs="$noconfigdirs ld gas gdb gprof" 945 noconfigdirs="$noconfigdirs sim target-rda" 946 ;; 947 *-*-dragonfly*) 948 ;; 949 *-*-freebsd*) 950 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 951 && test -f /usr/local/include/gmp.h; then 952 with_gmp=/usr/local 953 fi 954 ;; 955 *-*-kaos*) 956 # Remove unsupported stuff on all kaOS configurations. 957 noconfigdirs="$noconfigdirs target-libgloss" 958 ;; 959 *-*-netbsd*) 960 ;; 961 *-*-netware*) 962 ;; 963 *-*-phoenix*) 964 noconfigdirs="$noconfigdirs target-libgloss" 965 ;; 966 *-*-rtems*) 967 noconfigdirs="$noconfigdirs target-libgloss" 968 ;; 969 # The tpf target doesn't support gdb yet. 970 *-*-tpf*) 971 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 972 ;; 973 *-*-uclinux*) 974 noconfigdirs="$noconfigdirs target-rda" 975 ;; 976 *-*-vxworks*) 977 ;; 978 alpha*-dec-osf*) 979 # ld works, but does not support shared libraries. 980 # gas doesn't generate exception information. 981 noconfigdirs="$noconfigdirs gas ld" 982 ;; 983 alpha*-*-*vms*) 984 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 985 ;; 986 alpha*-*-*) 987 # newlib is not 64 bit ready 988 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 989 ;; 990 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 991 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 992 ;; 993 arc*-*-*) 994 noconfigdirs="$noconfigdirs sim" 995 ;; 996 arm-*-pe*) 997 noconfigdirs="$noconfigdirs target-libgloss" 998 ;; 999 arm-*-riscix*) 1000 noconfigdirs="$noconfigdirs ld target-libgloss" 1001 ;; 1002 avr-*-*) 1003 if test x${with_avrlibc} != xno; then 1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1005 fi 1006 ;; 1007 c4x-*-* | tic4x-*-*) 1008 noconfigdirs="$noconfigdirs target-libgloss" 1009 ;; 1010 tic54x-*-*) 1011 noconfigdirs="$noconfigdirs target-libgloss gdb" 1012 ;; 1013 d10v-*-*) 1014 noconfigdirs="$noconfigdirs target-libgloss" 1015 ;; 1016 d30v-*-*) 1017 noconfigdirs="$noconfigdirs gdb" 1018 ;; 1019 fr30-*-elf*) 1020 noconfigdirs="$noconfigdirs gdb" 1021 ;; 1022 ft32-*-*) 1023 noconfigdirs="$noconfigdirs target-rda gprof" 1024 ;; 1025 moxie-*-*) 1026 noconfigdirs="$noconfigdirs" 1027 ;; 1028 h8300*-*-*) 1029 noconfigdirs="$noconfigdirs target-libgloss" 1030 ;; 1031 h8500-*-*) 1032 noconfigdirs="$noconfigdirs target-libgloss" 1033 ;; 1034 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1035 ;; 1036 hppa*64*-*-hpux*) 1037 noconfigdirs="$noconfigdirs gdb" 1038 ;; 1039 hppa*-*-hpux11*) 1040 noconfigdirs="$noconfigdirs gdb ld" 1041 ;; 1042 hppa*64*-*-linux*) 1043 ;; 1044 hppa*-*-linux*) 1045 ;; 1046 hppa*-*-*elf* | \ 1047 hppa*-*-lites* | \ 1048 hppa*-*-openbsd* | \ 1049 hppa*64*-*-*) 1050 ;; 1051 hppa*-*-pro*) 1052 ;; 1053 hppa*-*-*) 1054 noconfigdirs="$noconfigdirs ld" 1055 ;; 1056 i960-*-*) 1057 noconfigdirs="$noconfigdirs gdb" 1058 ;; 1059 ia64*-*-elf*) 1060 # No gdb support yet. 1061 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1062 ;; 1063 ia64*-**-hpux*) 1064 # No ld support yet. 1065 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1066 ;; 1067 ia64*-*-*vms*) 1068 # No ld support yet. 1069 noconfigdirs="$noconfigdirs libgui itcl ld" 1070 ;; 1071 i[[3456789]]86-w64-mingw*) 1072 ;; 1073 i[[3456789]]86-*-mingw*) 1074 target_configdirs="$target_configdirs target-winsup" 1075 ;; 1076 *-*-cygwin*) 1077 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1078 noconfigdirs="$noconfigdirs target-libgloss" 1079 # always build newlib if winsup directory is present. 1080 if test -d "$srcdir/winsup/cygwin"; then 1081 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1082 elif test -d "$srcdir/newlib"; then 1083 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1084 fi 1085 ;; 1086 i[[3456789]]86-*-pe) 1087 noconfigdirs="$noconfigdirs target-libgloss" 1088 ;; 1089 i[[3456789]]86-*-sco3.2v5*) 1090 # The linker does not yet know about weak symbols in COFF, 1091 # and is not configured to handle mixed ELF and COFF. 1092 noconfigdirs="$noconfigdirs ld target-libgloss" 1093 ;; 1094 i[[3456789]]86-*-sco*) 1095 noconfigdirs="$noconfigdirs gprof target-libgloss" 1096 ;; 1097 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1098 noconfigdirs="$noconfigdirs target-libgloss" 1099 ;; 1100 i[[3456789]]86-*-sysv4*) 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 ;; 1103 i[[3456789]]86-*-beos*) 1104 noconfigdirs="$noconfigdirs gdb" 1105 ;; 1106 i[[3456789]]86-*-rdos*) 1107 noconfigdirs="$noconfigdirs gdb" 1108 ;; 1109 mmix-*-*) 1110 noconfigdirs="$noconfigdirs gdb" 1111 ;; 1112 mt-*-*) 1113 noconfigdirs="$noconfigdirs sim" 1114 ;; 1115 nfp-*-*) 1116 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1117 noconfigdirs="$noconfigdirs $target_libraries" 1118 ;; 1119 pdp11-*-*) 1120 noconfigdirs="$noconfigdirs gdb gprof" 1121 ;; 1122 powerpc-*-aix*) 1123 # copied from rs6000-*-* entry 1124 noconfigdirs="$noconfigdirs gprof" 1125 ;; 1126 powerpc*-*-winnt* | powerpc*-*-pe*) 1127 target_configdirs="$target_configdirs target-winsup" 1128 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1129 # always build newlib. 1130 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1131 ;; 1132 # This is temporary until we can link against shared libraries 1133 powerpcle-*-solaris*) 1134 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1135 ;; 1136 powerpc-*-beos*) 1137 noconfigdirs="$noconfigdirs gdb" 1138 ;; 1139 rs6000-*-lynxos*) 1140 noconfigdirs="$noconfigdirs gprof" 1141 ;; 1142 rs6000-*-aix*) 1143 noconfigdirs="$noconfigdirs gprof" 1144 ;; 1145 rs6000-*-*) 1146 noconfigdirs="$noconfigdirs gprof" 1147 ;; 1148 m68k-apollo-*) 1149 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1150 ;; 1151 microblaze*) 1152 noconfigdirs="$noconfigdirs gprof" 1153 ;; 1154 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1155 if test x$with_newlib = xyes; then 1156 noconfigdirs="$noconfigdirs gprof" 1157 fi 1158 ;; 1159 mips*-*-irix5*) 1160 noconfigdirs="$noconfigdirs gprof target-libgloss" 1161 ;; 1162 mips*-*-irix6*) 1163 noconfigdirs="$noconfigdirs gprof target-libgloss" 1164 ;; 1165 mips*-*-bsd*) 1166 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1167 ;; 1168 mips*-*-linux*) 1169 ;; 1170 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1171 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1172 noconfigdirs="$noconfigdirs ld gas gprof" 1173 ;; 1174 mips*-*-*) 1175 noconfigdirs="$noconfigdirs gprof" 1176 ;; 1177 nvptx*-*-*) 1178 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1179 ;; 1180 sh-*-*) 1181 case "${target}" in 1182 sh*-*-elf) 1183 ;; 1184 *) 1185 noconfigdirs="$noconfigdirs target-libgloss" ;; 1186 esac 1187 ;; 1188 sparc-*-sunos4*) 1189 if test x${is_cross_compiler} = xno ; then 1190 use_gnu_ld=no 1191 fi 1192 ;; 1193 tic6x-*-*) 1194 noconfigdirs="$noconfigdirs sim" 1195 ;; 1196 tilepro*-*-* | tilegx*-*-*) 1197 noconfigdirs="$noconfigdirs sim" 1198 ;; 1199 v810-*-*) 1200 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1201 ;; 1202 vax-*-*) 1203 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1204 ;; 1205 wasm32-*-*) 1206 noconfigdirs="$noconfigdirs ld" 1207 ;; 1208esac 1209 1210# If we aren't building newlib, then don't build libgloss, since libgloss 1211# depends upon some newlib header files. 1212case "${noconfigdirs}" in 1213 *target-libgloss*) ;; 1214 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1215esac 1216 1217# Work in distributions that contain no compiler tools, like Autoconf. 1218host_makefile_frag=/dev/null 1219if test -d ${srcdir}/config ; then 1220case "${host}" in 1221 i[[3456789]]86-*-msdosdjgpp*) 1222 host_makefile_frag="config/mh-djgpp" 1223 ;; 1224 *-cygwin*) 1225 ACX_CHECK_CYGWIN_CAT_WORKS 1226 host_makefile_frag="config/mh-cygwin" 1227 ;; 1228 *-mingw*) 1229 host_makefile_frag="config/mh-mingw" 1230 ;; 1231 alpha*-linux*) 1232 host_makefile_frag="config/mh-alpha-linux" 1233 ;; 1234 hppa*-hp-hpux10*) 1235 host_makefile_frag="config/mh-pa-hpux10" 1236 ;; 1237 hppa*-hp-hpux*) 1238 host_makefile_frag="config/mh-pa" 1239 ;; 1240 hppa*-*) 1241 host_makefile_frag="config/mh-pa" 1242 ;; 1243 *-*-darwin*) 1244 host_makefile_frag="config/mh-darwin" 1245 ;; 1246 powerpc-*-aix*) 1247 host_makefile_frag="config/mh-ppc-aix" 1248 ;; 1249 rs6000-*-aix*) 1250 host_makefile_frag="config/mh-ppc-aix" 1251 ;; 1252esac 1253fi 1254 1255if test "${build}" != "${host}" ; then 1256 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1257 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1258 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1259 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1260 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1261 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1262 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1263 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1264 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1265 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1266 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1267 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1268else 1269 AR_FOR_BUILD="\$(AR)" 1270 AS_FOR_BUILD="\$(AS)" 1271 CC_FOR_BUILD="\$(CC)" 1272 CXX_FOR_BUILD="\$(CXX)" 1273 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1274 GOC_FOR_BUILD="\$(GOC)" 1275 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1276 LD_FOR_BUILD="\$(LD)" 1277 NM_FOR_BUILD="\$(NM)" 1278 RANLIB_FOR_BUILD="\$(RANLIB)" 1279 WINDRES_FOR_BUILD="\$(WINDRES)" 1280 WINDMC_FOR_BUILD="\$(WINDMC)" 1281fi 1282 1283AC_PROG_CC 1284AC_PROG_CXX 1285 1286# We must set the default linker to the linker used by gcc for the correct 1287# operation of libtool. If LD is not defined and we are using gcc, try to 1288# set the LD default to the ld used by gcc. 1289if test -z "$LD"; then 1290 if test "$GCC" = yes; then 1291 case $build in 1292 *-*-mingw*) 1293 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1294 *) 1295 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1296 esac 1297 case $gcc_prog_ld in 1298 # Accept absolute paths. 1299 [[\\/]* | [A-Za-z]:[\\/]*)] 1300 LD="$gcc_prog_ld" ;; 1301 esac 1302 fi 1303fi 1304 1305# Check whether -static-libstdc++ -static-libgcc is supported. 1306have_static_libs=no 1307if test "$GCC" = yes; then 1308 saved_LDFLAGS="$LDFLAGS" 1309 1310 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1311 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1312 AC_LANG_PUSH(C++) 1313 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1314#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1315#error -static-libstdc++ not implemented 1316#endif 1317int main() {}])], 1318 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1319 [AC_MSG_RESULT([no])]) 1320 AC_LANG_POP(C++) 1321 1322 LDFLAGS="$saved_LDFLAGS" 1323fi 1324 1325ACX_PROG_GNAT 1326ACX_PROG_CMP_IGNORE_INITIAL 1327 1328AC_ARG_ENABLE([bootstrap], 1329[AS_HELP_STRING([--enable-bootstrap], 1330 [enable bootstrapping @<:@yes if native build@:>@])],, 1331enable_bootstrap=default) 1332 1333# Issue errors and warnings for invalid/strange bootstrap combinations. 1334if test -r $srcdir/gcc/configure; then 1335 have_compiler=yes 1336else 1337 have_compiler=no 1338fi 1339 1340case "$have_compiler:$host:$target:$enable_bootstrap" in 1341 *:*:*:no) ;; 1342 1343 # Default behavior. Enable bootstrap if we have a compiler 1344 # and we are in a native configuration. 1345 yes:$build:$build:default) 1346 enable_bootstrap=yes ;; 1347 1348 *:*:*:default) 1349 enable_bootstrap=no ;; 1350 1351 # We have a compiler and we are in a native configuration, bootstrap is ok 1352 yes:$build:$build:yes) 1353 ;; 1354 1355 # Other configurations, but we have a compiler. Assume the user knows 1356 # what he's doing. 1357 yes:*:*:yes) 1358 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1359 ;; 1360 1361 # No compiler: if they passed --enable-bootstrap explicitly, fail 1362 no:*:*:yes) 1363 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1364 1365 # Fail if wrong command line 1366 *) 1367 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1368 ;; 1369esac 1370 1371# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1372# C++98 compiler can still start the bootstrap. 1373if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1374 CXX="$CXX -std=gnu++98" 1375fi 1376 1377# Used for setting $lt_cv_objdir 1378_LT_CHECK_OBJDIR 1379 1380# Check for GMP, MPFR and MPC 1381gmplibs="-lmpc -lmpfr -lgmp" 1382gmpinc= 1383have_gmp=no 1384 1385# Specify a location for mpc 1386# check for this first so it ends up on the link line before mpfr. 1387AC_ARG_WITH(mpc, 1388[AS_HELP_STRING([--with-mpc=PATH], 1389 [specify prefix directory for installed MPC package. 1390 Equivalent to --with-mpc-include=PATH/include 1391 plus --with-mpc-lib=PATH/lib])]) 1392AC_ARG_WITH(mpc-include, 1393[AS_HELP_STRING([--with-mpc-include=PATH], 1394 [specify directory for installed MPC include files])]) 1395AC_ARG_WITH(mpc-lib, 1396[AS_HELP_STRING([--with-mpc-lib=PATH], 1397 [specify directory for the installed MPC library])]) 1398 1399if test "x$with_mpc" != x; then 1400 gmplibs="-L$with_mpc/lib $gmplibs" 1401 gmpinc="-I$with_mpc/include $gmpinc" 1402fi 1403if test "x$with_mpc_include" != x; then 1404 gmpinc="-I$with_mpc_include $gmpinc" 1405fi 1406if test "x$with_mpc_lib" != x; then 1407 gmplibs="-L$with_mpc_lib $gmplibs" 1408fi 1409if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1410 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1411 gmpinc='-I$$s/mpc/src '"$gmpinc" 1412 # Do not test the mpc version. Assume that it is sufficient, since 1413 # it is in the source tree, and the library has not been built yet 1414 # but it would be included on the link line in the version check below 1415 # hence making the test fail. 1416 have_gmp=yes 1417fi 1418 1419# Specify a location for mpfr 1420# check for this first so it ends up on the link line before gmp. 1421AC_ARG_WITH(mpfr-dir, 1422[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1423[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1424Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1425 1426AC_ARG_WITH(mpfr, 1427[AS_HELP_STRING([--with-mpfr=PATH], 1428 [specify prefix directory for installed MPFR package. 1429 Equivalent to --with-mpfr-include=PATH/include 1430 plus --with-mpfr-lib=PATH/lib])]) 1431AC_ARG_WITH(mpfr-include, 1432[AS_HELP_STRING([--with-mpfr-include=PATH], 1433 [specify directory for installed MPFR include files])]) 1434AC_ARG_WITH(mpfr-lib, 1435[AS_HELP_STRING([--with-mpfr-lib=PATH], 1436 [specify directory for the installed MPFR library])]) 1437 1438if test "x$with_mpfr" != x; then 1439 gmplibs="-L$with_mpfr/lib $gmplibs" 1440 gmpinc="-I$with_mpfr/include $gmpinc" 1441fi 1442if test "x$with_mpfr_include" != x; then 1443 gmpinc="-I$with_mpfr_include $gmpinc" 1444fi 1445if test "x$with_mpfr_lib" != x; then 1446 gmplibs="-L$with_mpfr_lib $gmplibs" 1447fi 1448if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1449 # MPFR v3.1.0 moved the sources into a src sub-directory. 1450 if ! test -d ${srcdir}/mpfr/src; then 1451 AC_MSG_ERROR([dnl 1452Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1453 fi 1454 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1455 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1456 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1457 # Do not test the mpfr version. Assume that it is sufficient, since 1458 # it is in the source tree, and the library has not been built yet 1459 # but it would be included on the link line in the version check below 1460 # hence making the test fail. 1461 have_gmp=yes 1462fi 1463 1464# Specify a location for gmp 1465AC_ARG_WITH(gmp-dir, 1466[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1467[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1468Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1469 1470AC_ARG_WITH(gmp, 1471[AS_HELP_STRING([--with-gmp=PATH], 1472 [specify prefix directory for the installed GMP package. 1473 Equivalent to --with-gmp-include=PATH/include 1474 plus --with-gmp-lib=PATH/lib])]) 1475AC_ARG_WITH(gmp-include, 1476[AS_HELP_STRING([--with-gmp-include=PATH], 1477 [specify directory for installed GMP include files])]) 1478AC_ARG_WITH(gmp-lib, 1479[AS_HELP_STRING([--with-gmp-lib=PATH], 1480 [specify directory for the installed GMP library])]) 1481 1482 1483if test "x$with_gmp" != x; then 1484 gmplibs="-L$with_gmp/lib $gmplibs" 1485 gmpinc="-I$with_gmp/include $gmpinc" 1486fi 1487if test "x$with_gmp_include" != x; then 1488 gmpinc="-I$with_gmp_include $gmpinc" 1489fi 1490if test "x$with_gmp_lib" != x; then 1491 gmplibs="-L$with_gmp_lib $gmplibs" 1492fi 1493if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1494 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1495 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1496 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1497 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1498 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1499 # Do not test the gmp version. Assume that it is sufficient, since 1500 # it is in the source tree, and the library has not been built yet 1501 # but it would be included on the link line in the version check below 1502 # hence making the test fail. 1503 have_gmp=yes 1504fi 1505 1506if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1507 have_gmp=yes 1508 saved_CFLAGS="$CFLAGS" 1509 CFLAGS="$CFLAGS $gmpinc" 1510 # Check for the recommended and required versions of GMP. 1511 AC_MSG_CHECKING([for the correct version of gmp.h]) 1512 AC_TRY_COMPILE([#include "gmp.h"],[ 1513 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1514 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1515 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1516 choke me 1517 #endif 1518 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1519 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1520 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1521 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1522 choke me 1523 #endif 1524 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1525 [AC_MSG_RESULT([no]); have_gmp=no]) 1526 1527 # If we have GMP, check the MPFR version. 1528 if test x"$have_gmp" = xyes; then 1529 # Check for the recommended and required versions of MPFR. 1530 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1531 AC_TRY_COMPILE([#include <gmp.h> 1532 #include <mpfr.h>],[ 1533 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1534 choke me 1535 #endif 1536 ], [AC_TRY_COMPILE([#include <gmp.h> 1537 #include <mpfr.h>],[ 1538 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1539 choke me 1540 #endif 1541 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1542 [AC_MSG_RESULT([no]); have_gmp=no]) 1543 fi 1544 1545 # Check for the MPC header version. 1546 if test x"$have_gmp" = xyes ; then 1547 # Check for the recommended and required versions of MPC. 1548 AC_MSG_CHECKING([for the correct version of mpc.h]) 1549 AC_TRY_COMPILE([#include <mpc.h>],[ 1550 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1551 choke me 1552 #endif 1553 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1554 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1555 choke me 1556 #endif 1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1558 [AC_MSG_RESULT([no]); have_gmp=no]) 1559 fi 1560 1561 # Now check the MPFR library. 1562 if test x"$have_gmp" = xyes; then 1563 saved_LIBS="$LIBS" 1564 LIBS="$LIBS $gmplibs" 1565 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1566 AC_TRY_LINK([#include <mpc.h>],[ 1567 mpfr_t n; 1568 mpfr_t x; 1569 mpc_t c; 1570 int t; 1571 mpfr_init (n); 1572 mpfr_init (x); 1573 mpfr_atan2 (n, n, x, GMP_RNDN); 1574 mpfr_erfc (n, x, GMP_RNDN); 1575 mpfr_subnormalize (x, t, GMP_RNDN); 1576 mpfr_clear(n); 1577 mpfr_clear(x); 1578 mpc_init2 (c, 53); 1579 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1580 mpc_cosh (c, c, MPC_RNDNN); 1581 mpc_pow (c, c, c, MPC_RNDNN); 1582 mpc_acosh (c, c, MPC_RNDNN); 1583 mpc_clear (c); 1584 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1585 LIBS="$saved_LIBS" 1586 fi 1587 1588 CFLAGS="$saved_CFLAGS" 1589 1590# The library versions listed in the error message below should match 1591# the HARD-minimums enforced above. 1592 if test x$have_gmp != xyes; then 1593 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1594Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1595their locations. Source code for these libraries can be found at 1596their respective hosting sites as well as at 1597ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1598http://gcc.gnu.org/install/prerequisites.html for additional info. If 1599you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1600make sure that you have installed both the libraries and the header 1601files. They may be located in separate packages.]) 1602 fi 1603fi 1604 1605# Flags needed for both GMP, MPFR and/or MPC. 1606AC_SUBST(gmplibs) 1607AC_SUBST(gmpinc) 1608AC_SUBST(extra_mpfr_configure_flags) 1609AC_SUBST(extra_mpc_gmp_configure_flags) 1610AC_SUBST(extra_mpc_mpfr_configure_flags) 1611AC_SUBST(extra_isl_gmp_configure_flags) 1612 1613# Libraries to use for stage1 or when not bootstrapping. 1614AC_ARG_WITH(stage1-libs, 1615[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1616[if test "$withval" = "no" -o "$withval" = "yes"; then 1617 stage1_libs= 1618 else 1619 stage1_libs=$withval 1620 fi], 1621[stage1_libs=]) 1622AC_SUBST(stage1_libs) 1623 1624# Whether or not to use -static-libstdc++ and -static-libgcc. The 1625# default is yes if gcc is being built; no otherwise. The reason for 1626# this default is that gdb is sometimes linked against GNU Source 1627# Highlight, which is a shared library that uses C++ exceptions. In 1628# this case, -static-libstdc++ will cause crashes. 1629AC_ARG_WITH(static-standard-libraries, 1630[AS_HELP_STRING([--with-static-standard-libraries], 1631 [use -static-libstdc++ and -static-libgcc (default=auto)])], 1632[], [with_static_standard_libraries=auto]) 1633if test "$with_static_standard_libraries" = auto; then 1634 with_static_standard_libraries=$have_compiler 1635fi 1636 1637# Linker flags to use for stage1 or when not bootstrapping. 1638AC_ARG_WITH(stage1-ldflags, 1639[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1640[if test "$withval" = "no" -o "$withval" = "yes"; then 1641 stage1_ldflags= 1642 else 1643 stage1_ldflags=$withval 1644 fi], 1645[stage1_ldflags= 1646 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1647 # if supported. But if the user explicitly specified the libraries to use, 1648 # trust that they are doing what they want. 1649 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ 1650 -a "$have_static_libs" = yes; then 1651 stage1_ldflags="-static-libstdc++ -static-libgcc" 1652 fi]) 1653AC_SUBST(stage1_ldflags) 1654 1655# Libraries to use for stage2 and later builds. 1656AC_ARG_WITH(boot-libs, 1657[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1658[if test "$withval" = "no" -o "$withval" = "yes"; then 1659 poststage1_libs= 1660 else 1661 poststage1_libs=$withval 1662 fi], 1663[poststage1_libs=]) 1664AC_SUBST(poststage1_libs) 1665 1666# Linker flags to use for stage2 and later builds. 1667AC_ARG_WITH(boot-ldflags, 1668[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1669 [linker flags for stage2 and later])], 1670[if test "$withval" = "no" -o "$withval" = "yes"; then 1671 poststage1_ldflags= 1672 else 1673 poststage1_ldflags=$withval 1674 fi], 1675[poststage1_ldflags= 1676 # In stages 2 and 3, default to linking libstdc++ and libgcc 1677 # statically. But if the user explicitly specified the libraries to 1678 # use, trust that they are doing what they want. 1679 if test "$poststage1_libs" = ""; then 1680 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1681 fi]) 1682AC_SUBST(poststage1_ldflags) 1683 1684# GCC GRAPHITE dependency isl. 1685# Basic setup is inlined here, actual checks are in config/isl.m4 1686 1687AC_ARG_WITH(isl, 1688 [AS_HELP_STRING( 1689 [--with-isl=PATH], 1690 [Specify prefix directory for the installed isl package. 1691 Equivalent to --with-isl-include=PATH/include 1692 plus --with-isl-lib=PATH/lib])]) 1693 1694# Treat --without-isl as a request to disable 1695# GRAPHITE support and skip all following checks. 1696if test "x$with_isl" != "xno"; then 1697 # Check for isl 1698 dnl Provide configure switches and initialize islinc & isllibs 1699 dnl with user input. 1700 ISL_INIT_FLAGS 1701 dnl The versions of isl that work for Graphite 1702 ISL_CHECK_VERSION() 1703 dnl Only execute fail-action, if isl has been requested. 1704 ISL_IF_FAILED([ 1705 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1706fi 1707 1708# If the isl check failed, disable builds of in-tree variant of isl 1709if test "x$with_isl" = xno || 1710 test "x$gcc_cv_isl" = xno; then 1711 noconfigdirs="$noconfigdirs isl" 1712 islinc= 1713fi 1714 1715AC_SUBST(isllibs) 1716AC_SUBST(islinc) 1717 1718# Check for LTO support. 1719AC_ARG_ENABLE(lto, 1720[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1721enable_lto=$enableval, 1722enable_lto=yes; default_enable_lto=yes) 1723 1724ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1725 build_lto_plugin=yes 1726],[if test x"$default_enable_lto" = x"yes" ; then 1727 case $target in 1728 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1729 # On other non-ELF platforms, LTO has yet to be validated. 1730 *) enable_lto=no ;; 1731 esac 1732 else 1733 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1734 # It would also be nice to check the binutils support, but we don't 1735 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1736 # warn during gcc/ subconfigure; unless you're bootstrapping with 1737 # -flto it won't be needed until after installation anyway. 1738 case $target in 1739 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1740 *) if test x"$enable_lto" = x"yes"; then 1741 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1742 fi 1743 ;; 1744 esac 1745 fi 1746 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1747 # Build it unless LTO was explicitly disabled. 1748 case $target in 1749 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1750 *) ;; 1751 esac 1752]) 1753 1754AC_ARG_ENABLE(linker-plugin-configure-flags, 1755 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1756 [additional flags for configuring linker plugins @<:@none@:>@])], 1757 extra_linker_plugin_configure_flags=$enableval, 1758 extra_linker_plugin_configure_flags=) 1759AC_SUBST(extra_linker_plugin_configure_flags) 1760AC_ARG_ENABLE(linker-plugin-flags, 1761 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1762 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1763 extra_linker_plugin_flags=$enableval, 1764 extra_linker_plugin_flags=) 1765AC_SUBST(extra_linker_plugin_flags) 1766 1767# Enable --enable-host-shared. 1768# Checked early to determine whether jit is an 'all' language 1769AC_ARG_ENABLE(host-shared, 1770[AS_HELP_STRING([--enable-host-shared], 1771 [build host code as shared libraries])], 1772[host_shared=$enableval], [host_shared=no]) 1773AC_SUBST(host_shared) 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=default 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 # $lang_requires_boot_languages. 1837 language= 1838 lang_requires= 1839 lang_requires_boot_languages= 1840 # set srcdir during sourcing lang_frag to the gcc dir. 1841 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1842 # polutes this shell 1843 saved_srcdir=${srcdir} 1844 srcdir=${srcdir}/gcc . ${lang_frag} 1845 srcdir=${saved_srcdir} 1846 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1847 case ,${enable_languages}, in 1848 *,$other,*) ;; 1849 *,default,*) ;; 1850 *,all,*) ;; 1851 *,$language,*) 1852 echo " \`$other' language required by \`$language'; enabling" 1>&2 1853 enable_languages="${enable_languages},${other}" 1854 ;; 1855 esac 1856 done 1857 for other in ${lang_requires_boot_languages} ; do 1858 if test "$other" != "c"; then 1859 case ,${enable_stage1_languages}, in 1860 *,$other,*) ;; 1861 *,default,*) ;; 1862 *,all,*) ;; 1863 *) 1864 case ,${enable_languages}, in 1865 *,$language,*) 1866 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1867 enable_stage1_languages="$enable_stage1_languages,${other}" 1868 ;; 1869 esac 1870 ;; 1871 esac 1872 fi 1873 done 1874 ;; 1875 esac 1876 done 1877 1878 new_enable_languages=,c, 1879 1880 # If LTO is enabled, add the LTO front end. 1881 if test "$enable_lto" = "yes" ; then 1882 case ,${enable_languages}, in 1883 *,lto,*) ;; 1884 *) enable_languages="${enable_languages},lto" ;; 1885 esac 1886 if test "${build_lto_plugin}" = "yes" ; then 1887 configdirs="$configdirs lto-plugin" 1888 fi 1889 fi 1890 1891 # If we're building an offloading compiler, add the LTO front end. 1892 if test x"$enable_as_accelerator_for" != x ; then 1893 case ,${enable_languages}, in 1894 *,lto,*) ;; 1895 *) enable_languages="${enable_languages},lto" ;; 1896 esac 1897 fi 1898 1899 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 1900 potential_languages=,c, 1901 1902 enabled_target_libs= 1903 disabled_target_libs= 1904 1905 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1906 case ${lang_frag} in 1907 ..) ;; 1908 # The odd quoting in the next line works around 1909 # an apparent bug in bash 1.12 on linux. 1910 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1911 *) 1912 # From the config-lang.in, get $language, $target_libs, 1913 # $lang_dirs, $boot_language, and $build_by_default 1914 language= 1915 target_libs= 1916 lang_dirs= 1917 subdir_requires= 1918 boot_language=no 1919 build_by_default=yes 1920 # set srcdir during sourcing. See above about save & restore 1921 saved_srcdir=${srcdir} 1922 srcdir=${srcdir}/gcc . ${lang_frag} 1923 srcdir=${saved_srcdir} 1924 if test x${language} = x; then 1925 echo "${lang_frag} doesn't set \$language." 1>&2 1926 exit 1 1927 fi 1928 1929 if test "$language" = "c++"; then 1930 boot_language=yes 1931 fi 1932 1933 add_this_lang=no 1934 # C is always enabled, so no need to add it again 1935 if test "$language" != "c"; then 1936 case ,${enable_languages}, in 1937 *,${language},*) 1938 # Language was explicitly selected; include it 1939 add_this_lang=yes 1940 ;; 1941 *,all,*) 1942 # All languages are enabled 1943 add_this_lang=all 1944 ;; 1945 *,default,*) 1946 # 'default' was selected, select it if it is a default language 1947 add_this_lang=${build_by_default} 1948 ;; 1949 esac 1950 fi 1951 1952 # Disable languages that need other directories if these aren't available. 1953 for i in $subdir_requires; do 1954 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1955 case ${add_this_lang} in 1956 yes) 1957 # Specifically requested language; tell them. 1958 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1959 ;; 1960 all) 1961 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 1962 add_this_lang=unsupported 1963 ;; 1964 *) 1965 # Silently disable. 1966 add_this_lang=unsupported 1967 ;; 1968 esac 1969 done 1970 1971 # Disable Ada if no preexisting GNAT is available. 1972 case ${add_this_lang}:${language}:${have_gnat} in 1973 yes:ada:no) 1974 # Specifically requested language; tell them. 1975 AC_MSG_ERROR([GNAT is required to build $language]) 1976 ;; 1977 all:ada:no) 1978 AC_MSG_WARN([GNAT is required to build $language]) 1979 add_this_lang=unsupported 1980 ;; 1981 *:ada:no) 1982 # Silently disable. 1983 add_this_lang=unsupported 1984 ;; 1985 esac 1986 1987 # Disable jit if -enable-host-shared not specified 1988 case ${add_this_lang}:${language}:${host_shared} in 1989 yes:jit:no) 1990 # PR jit/64780: explicitly specify --enable-host-shared 1991 AC_MSG_ERROR([ 1992Enabling language "jit" requires --enable-host-shared. 1993 1994--enable-host-shared typically slows the rest of the compiler down by 1995a few %, so you must explicitly enable it. 1996 1997If you want to build both the jit and the regular compiler, it is often 1998best to do this via two separate configure/builds, in separate 1999directories, to avoid imposing the performance cost of 2000--enable-host-shared on the regular compiler.]) 2001 ;; 2002 all:jit:no) 2003 AC_MSG_WARN([--enable-host-shared required to build $language]) 2004 add_this_lang=unsupported 2005 ;; 2006 *:jit:no) 2007 # Silently disable. 2008 add_this_lang=unsupported 2009 ;; 2010 esac 2011 2012 # Disable a language that is unsupported by the target. 2013 case "${add_this_lang}: $unsupported_languages " in 2014 no:*) ;; 2015 unsupported:*) ;; 2016 *:*" $language "*) 2017 AC_MSG_WARN([${language} not supported for this target]) 2018 add_this_lang=unsupported 2019 ;; 2020 esac 2021 2022 case $add_this_lang in 2023 unsupported) 2024 # Remove language-dependent dirs. 2025 disabled_target_libs="$disabled_target_libs $target_libs" 2026 noconfigdirs="$noconfigdirs $lang_dirs" 2027 ;; 2028 no) 2029 # Remove language-dependent dirs; still show language as supported. 2030 disabled_target_libs="$disabled_target_libs $target_libs" 2031 noconfigdirs="$noconfigdirs $lang_dirs" 2032 potential_languages="${potential_languages}${language}," 2033 ;; 2034 all|yes) 2035 new_enable_languages="${new_enable_languages}${language}," 2036 potential_languages="${potential_languages}${language}," 2037 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2038 enabled_target_libs="$enabled_target_libs $target_libs" 2039 case "${boot_language}:,$enable_stage1_languages," in 2040 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2041 # Add to (comma-separated) list of stage 1 languages. 2042 case ",$stage1_languages," in 2043 *,$language,* | ,yes, | ,all,) ;; 2044 *) stage1_languages="${stage1_languages}${language}," ;; 2045 esac 2046 # We need to bootstrap any supporting libraries. 2047 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2048 ;; 2049 esac 2050 ;; 2051 esac 2052 ;; 2053 esac 2054 done 2055 2056 # Add target libraries which are only needed for disabled languages 2057 # to noconfigdirs. 2058 if test -n "$disabled_target_libs"; then 2059 for dir in $disabled_target_libs; do 2060 case " $enabled_target_libs " in 2061 *" ${dir} "*) ;; 2062 *) noconfigdirs="$noconfigdirs $dir" ;; 2063 esac 2064 done 2065 fi 2066 2067 AC_ARG_ENABLE(stage1-languages, 2068 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2069 [choose additional languages to build during 2070 stage1. Mostly useful for compiler development])], 2071 [case ,${enable_stage1_languages}, in 2072 ,no,|,,) 2073 # Set it to something that will have no effect in the loop below 2074 enable_stage1_languages=c ;; 2075 ,yes,) 2076 enable_stage1_languages=`echo $new_enable_languages | \ 2077 sed -e "s/^,//" -e "s/,$//" ` ;; 2078 *,all,*) 2079 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2080 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2081 esac 2082 2083 # Add "good" languages from enable_stage1_languages to stage1_languages, 2084 # while "bad" languages go in missing_languages. Leave no duplicates. 2085 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2086 case $potential_languages in 2087 *,$i,*) 2088 case $stage1_languages in 2089 *,$i,*) ;; 2090 *) stage1_languages="$stage1_languages$i," ;; 2091 esac ;; 2092 *) 2093 case $missing_languages in 2094 *,$i,*) ;; 2095 *) missing_languages="$missing_languages$i," ;; 2096 esac ;; 2097 esac 2098 done]) 2099 2100 # Remove leading/trailing commas that were added for simplicity 2101 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2102 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2103 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2104 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2105 2106 if test "x$missing_languages" != x; then 2107 AC_MSG_ERROR([ 2108The following requested languages could not be built: ${missing_languages} 2109Supported languages are: ${potential_languages}]) 2110 fi 2111 if test "x$new_enable_languages" != "x$enable_languages"; then 2112 echo The following languages will be built: ${new_enable_languages} 2113 enable_languages="$new_enable_languages" 2114 fi 2115 2116 AC_SUBST(stage1_languages) 2117 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2118fi 2119 2120# Handle --disable-<component> generically. 2121for dir in $configdirs $build_configdirs $target_configdirs ; do 2122 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2123 varname=`echo $dirname | sed -e s/+/_/g` 2124 if eval test x\${enable_${varname}} "=" xno ; then 2125 noconfigdirs="$noconfigdirs $dir" 2126 fi 2127done 2128 2129# Check for Boehm's garbage collector 2130AC_ARG_ENABLE(objc-gc, 2131[AS_HELP_STRING([--enable-objc-gc], 2132 [enable use of Boehm's garbage collector with the 2133 GNU Objective-C runtime])]) 2134AC_ARG_WITH([target-bdw-gc], 2135[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2136 [specify prefix directory for installed bdw-gc package. 2137 Equivalent to --with-target-bdw-gc-include=PATH/include 2138 plus --with-target-bdw-gc-lib=PATH/lib])]) 2139AC_ARG_WITH([target-bdw-gc-include], 2140[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2141 [specify directories for installed bdw-gc include files])]) 2142AC_ARG_WITH([target-bdw-gc-lib], 2143[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2144 [specify directories for installed bdw-gc library])]) 2145 2146case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2147 AC_MSG_CHECKING([for bdw garbage collector]) 2148 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2149 dnl no bdw-gw options, assume default locations 2150 AC_MSG_RESULT([using bdw-gc in default locations]) 2151 else 2152 dnl bdw-gw options, first error checking, complete checking in libobjc 2153 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2154 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2155 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2156 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2157 else 2158 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2159 fi 2160 fi 2161esac 2162 2163# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2164case ,${enable_languages}, in 2165 *,c++,*) 2166 # Disable libitm, libsanitizer if we're not building libstdc++ 2167 case "${noconfigdirs}" in 2168 *target-libstdc++-v3*) 2169 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2170 ;; 2171 *) ;; 2172 esac 2173 ;; 2174 *) 2175 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2176 ;; 2177esac 2178 2179# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2180# $build_configdirs and $target_configdirs. 2181# If we have the source for $noconfigdirs entries, add them to $notsupp. 2182 2183notsupp="" 2184for dir in . $skipdirs $noconfigdirs ; do 2185 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2186 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2187 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2188 if test -r $srcdir/$dirname/configure ; then 2189 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2190 true 2191 else 2192 notsupp="$notsupp $dir" 2193 fi 2194 fi 2195 fi 2196 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2197 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2198 if test -r $srcdir/$dirname/configure ; then 2199 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2200 true 2201 else 2202 notsupp="$notsupp $dir" 2203 fi 2204 fi 2205 fi 2206 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2207 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2208 if test -r $srcdir/$dirname/configure ; then 2209 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2210 true 2211 else 2212 notsupp="$notsupp $dir" 2213 fi 2214 fi 2215 fi 2216done 2217 2218# Quietly strip out all directories which aren't configurable in this tree. 2219# This relies on all configurable subdirectories being autoconfiscated, which 2220# is now the case. 2221build_configdirs_all="$build_configdirs" 2222build_configdirs= 2223for i in ${build_configdirs_all} ; do 2224 j=`echo $i | sed -e s/build-//g` 2225 if test -f ${srcdir}/$j/configure ; then 2226 build_configdirs="${build_configdirs} $i" 2227 fi 2228done 2229 2230configdirs_all="$configdirs" 2231configdirs= 2232for i in ${configdirs_all} ; do 2233 if test -f ${srcdir}/$i/configure ; then 2234 configdirs="${configdirs} $i" 2235 fi 2236done 2237 2238target_configdirs_all="$target_configdirs" 2239target_configdirs= 2240for i in ${target_configdirs_all} ; do 2241 j=`echo $i | sed -e s/target-//g` 2242 if test -f ${srcdir}/$j/configure ; then 2243 target_configdirs="${target_configdirs} $i" 2244 fi 2245done 2246 2247# libiberty-linker-plugin is special: it doesn't have its own source directory, 2248# so we have to add it after the preceding checks. 2249if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2250then 2251 case " $configdirs " in 2252 *" libiberty "*) 2253 # If we can build libiberty, we can also build libiberty-linker-plugin. 2254 configdirs="$configdirs libiberty-linker-plugin" 2255 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2256 --with-libiberty=../libiberty-linker-plugin";; 2257 *) 2258 AC_MSG_ERROR([libiberty missing]);; 2259 esac 2260fi 2261 2262# Sometimes we have special requirements for the host libiberty. 2263extra_host_libiberty_configure_flags= 2264extra_host_zlib_configure_flags= 2265case " $configdirs " in 2266 *" lto-plugin "* | *" libcc1 "*) 2267 # When these are to be built as shared libraries, the same applies to 2268 # libiberty. 2269 extra_host_libiberty_configure_flags=--enable-shared 2270 ;; 2271 *" bfd "*) 2272 # When bfd is to be built as a shared library, the same applies to 2273 # zlib. 2274 if test "$enable_shared" = "yes"; then 2275 extra_host_zlib_configure_flags=--enable-host-shared 2276 fi 2277 ;; 2278esac 2279AC_SUBST(extra_host_libiberty_configure_flags) 2280AC_SUBST(extra_host_zlib_configure_flags) 2281 2282# Produce a warning message for the subdirs we can't configure. 2283# This isn't especially interesting in the Cygnus tree, but in the individual 2284# FSF releases, it's important to let people know when their machine isn't 2285# supported by the one or two programs in a package. 2286 2287if test -n "${notsupp}" && test -z "${norecursion}" ; then 2288 # If $appdirs is non-empty, at least one of those directories must still 2289 # be configured, or we error out. (E.g., if the gas release supports a 2290 # specified target in some subdirs but not the gas subdir, we shouldn't 2291 # pretend that all is well.) 2292 if test -n "$appdirs" ; then 2293 for dir in $appdirs ; do 2294 if test -r $dir/Makefile.in ; then 2295 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2296 appdirs="" 2297 break 2298 fi 2299 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2300 appdirs="" 2301 break 2302 fi 2303 fi 2304 done 2305 if test -n "$appdirs" ; then 2306 echo "*** This configuration is not supported by this package." 1>&2 2307 exit 1 2308 fi 2309 fi 2310 # Okay, some application will build, or we don't care to check. Still 2311 # notify of subdirs not getting built. 2312 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2313 echo " ${notsupp}" 1>&2 2314 echo " (Any other directories should still work fine.)" 1>&2 2315fi 2316 2317case "$host" in 2318 *msdosdjgpp*) 2319 enable_gdbtk=no ;; 2320esac 2321 2322# To find our prefix, in gcc_cv_tool_prefix. 2323ACX_TOOL_DIRS 2324 2325copy_dirs= 2326 2327AC_ARG_WITH([build-sysroot], 2328 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2329 [use sysroot as the system root during the build])], 2330 [if test x"$withval" != x ; then 2331 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2332 fi], 2333 [SYSROOT_CFLAGS_FOR_TARGET=]) 2334AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2335 2336AC_ARG_WITH([debug-prefix-map], 2337 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2338 [map A to B, C to D ... in debug information])], 2339 [if test x"$withval" != x; then 2340 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2341 for debug_map in $withval; do 2342 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2343 done 2344 fi], 2345 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2346AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2347 2348# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2349# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2350# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2351# We want to ensure that TARGET libraries (which we know are built with 2352# gcc) are built with "-O2 -g", so include those options when setting 2353# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2354if test "x$CFLAGS_FOR_TARGET" = x; then 2355 if test "x${is_cross_compiler}" = xyes; then 2356 CFLAGS_FOR_TARGET="-g -O2" 2357 else 2358 CFLAGS_FOR_TARGET=$CFLAGS 2359 case " $CFLAGS " in 2360 *" -O2 "*) ;; 2361 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2362 esac 2363 case " $CFLAGS " in 2364 *" -g "* | *" -g3 "*) ;; 2365 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2366 esac 2367 fi 2368fi 2369AC_SUBST(CFLAGS_FOR_TARGET) 2370 2371if test "x$CXXFLAGS_FOR_TARGET" = x; then 2372 if test "x${is_cross_compiler}" = xyes; then 2373 CXXFLAGS_FOR_TARGET="-g -O2" 2374 else 2375 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2376 case " $CXXFLAGS " in 2377 *" -O2 "*) ;; 2378 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2379 esac 2380 case " $CXXFLAGS " in 2381 *" -g "* | *" -g3 "*) ;; 2382 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2383 esac 2384 fi 2385fi 2386AC_SUBST(CXXFLAGS_FOR_TARGET) 2387 2388AC_SUBST(LDFLAGS_FOR_TARGET) 2389 2390# Handle --with-headers=XXX. If the value is not "yes", the contents of 2391# the named directory are copied to $(tooldir)/sys-include. 2392if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2393 if test x${is_cross_compiler} = xno ; then 2394 echo 1>&2 '***' --with-headers is only supported when cross compiling 2395 exit 1 2396 fi 2397 if test x"${with_headers}" != xyes ; then 2398 x=${gcc_cv_tool_prefix} 2399 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2400 fi 2401fi 2402 2403# Handle --with-libs=XXX. If the value is not "yes", the contents of 2404# the name directories are copied to $(tooldir)/lib. Multiple directories 2405# are permitted. 2406if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2407 if test x${is_cross_compiler} = xno ; then 2408 echo 1>&2 '***' --with-libs is only supported when cross compiling 2409 exit 1 2410 fi 2411 if test x"${with_libs}" != xyes ; then 2412 # Copy the libraries in reverse order, so that files in the first named 2413 # library override files in subsequent libraries. 2414 x=${gcc_cv_tool_prefix} 2415 for l in ${with_libs}; do 2416 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2417 done 2418 fi 2419fi 2420 2421# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2422# 2423# This is done by determining whether or not the appropriate directory 2424# is available, and by checking whether or not specific configurations 2425# have requested that this magic not happen. 2426# 2427# The command line options always override the explicit settings in 2428# configure.ac, and the settings in configure.ac override this magic. 2429# 2430# If the default for a toolchain is to use GNU as and ld, and you don't 2431# want to do that, then you should use the --without-gnu-as and 2432# --without-gnu-ld options for the configure script. Similarly, if 2433# the default is to use the included zlib and you don't want to do that, 2434# you should use the --with-system-zlib option for the configure script. 2435 2436if test x${use_gnu_as} = x && 2437 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2438 with_gnu_as=yes 2439 extra_host_args="$extra_host_args --with-gnu-as" 2440fi 2441 2442if test x${use_gnu_ld} = x && 2443 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2444 with_gnu_ld=yes 2445 extra_host_args="$extra_host_args --with-gnu-ld" 2446fi 2447 2448if test x${use_included_zlib} = x && 2449 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2450 : 2451else 2452 with_system_zlib=yes 2453 extra_host_args="$extra_host_args --with-system-zlib" 2454fi 2455 2456# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2457# can detect this case. 2458 2459if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2460 with_newlib=yes 2461 extra_host_args="$extra_host_args --with-newlib" 2462fi 2463 2464# Handle ${copy_dirs} 2465set fnord ${copy_dirs} 2466shift 2467while test $# != 0 ; do 2468 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2469 : 2470 else 2471 echo Copying $1 to $2 2472 2473 # Use the install script to create the directory and all required 2474 # parent directories. 2475 if test -d $2 ; then 2476 : 2477 else 2478 echo >config.temp 2479 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2480 fi 2481 2482 # Copy the directory, assuming we have tar. 2483 # FIXME: Should we use B in the second tar? Not all systems support it. 2484 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2485 2486 # It is the responsibility of the user to correctly adjust all 2487 # symlinks. If somebody can figure out how to handle them correctly 2488 # here, feel free to add the code. 2489 2490 echo $1 > $2/COPIED 2491 fi 2492 shift; shift 2493done 2494 2495# Determine a target-dependent exec_prefix that the installed 2496# gcc will search in. Keep this list sorted by triplet, with 2497# the *-*-osname triplets last. 2498md_exec_prefix= 2499case "${target}" in 2500 i[[34567]]86-pc-msdosdjgpp*) 2501 md_exec_prefix=/dev/env/DJDIR/bin 2502 ;; 2503 *-*-hpux* | \ 2504 *-*-nto-qnx* | \ 2505 *-*-solaris2*) 2506 md_exec_prefix=/usr/ccs/bin 2507 ;; 2508esac 2509 2510extra_arflags_for_target= 2511extra_nmflags_for_target= 2512extra_ranlibflags_for_target= 2513target_makefile_frag=/dev/null 2514case "${target}" in 2515 spu-*-*) 2516 target_makefile_frag="config/mt-spu" 2517 ;; 2518 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2519 target_makefile_frag="config/mt-sde" 2520 ;; 2521 mipsisa*-*-elfoabi*) 2522 target_makefile_frag="config/mt-mips-elfoabi" 2523 ;; 2524 mips*-*-*linux* | mips*-*-gnu*) 2525 target_makefile_frag="config/mt-mips-gnu" 2526 ;; 2527 nios2-*-elf*) 2528 target_makefile_frag="config/mt-nios2-elf" 2529 ;; 2530 *-*-linux-android*) 2531 target_makefile_frag="config/mt-android" 2532 ;; 2533 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2534 target_makefile_frag="config/mt-gnu" 2535 ;; 2536 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2537 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2538 # commands to handle both 32-bit and 64-bit objects. These flags are 2539 # harmless if we're using GNU nm or ar. 2540 extra_arflags_for_target=" -X32_64" 2541 extra_nmflags_for_target=" -B -X32_64" 2542 ;; 2543esac 2544 2545alphaieee_frag=/dev/null 2546case $target in 2547 alpha*-*-*) 2548 # This just makes sure to use the -mieee option to build target libs. 2549 # This should probably be set individually by each library. 2550 alphaieee_frag="config/mt-alphaieee" 2551 ;; 2552esac 2553 2554# If --enable-target-optspace always use -Os instead of -O2 to build 2555# the target libraries, similarly if it is not specified, use -Os 2556# on selected platforms. 2557ospace_frag=/dev/null 2558case "${enable_target_optspace}:${target}" in 2559 yes:*) 2560 ospace_frag="config/mt-ospace" 2561 ;; 2562 :d30v-*) 2563 ospace_frag="config/mt-d30v" 2564 ;; 2565 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2566 ospace_frag="config/mt-ospace" 2567 ;; 2568 no:* | :*) 2569 ;; 2570 *) 2571 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2572 ;; 2573esac 2574 2575# Some systems (e.g., one of the i386-aix systems the gas testers are 2576# using) don't handle "\$" correctly, so don't use it here. 2577tooldir='${exec_prefix}'/${target_noncanonical} 2578build_tooldir=${tooldir} 2579 2580# Create a .gdbinit file which runs the one in srcdir 2581# and tells GDB to look there for source files. 2582 2583if test -r ${srcdir}/.gdbinit ; then 2584 case ${srcdir} in 2585 .) ;; 2586 *) cat > ./.gdbinit <<EOF 2587# ${NO_EDIT} 2588dir ${srcdir} 2589dir . 2590source ${srcdir}/.gdbinit 2591EOF 2592 ;; 2593 esac 2594fi 2595 2596# Make sure that the compiler is able to generate an executable. If it 2597# can't, we are probably in trouble. We don't care whether we can run the 2598# executable--we might be using a cross compiler--we only care whether it 2599# can be created. At this point the main configure script has set CC. 2600we_are_ok=no 2601echo "int main () { return 0; }" > conftest.c 2602${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2603if test $? = 0 ; then 2604 if test -s conftest || test -s conftest.exe ; then 2605 we_are_ok=yes 2606 fi 2607fi 2608case $we_are_ok in 2609 no) 2610 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2611 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2612 rm -f conftest* 2613 exit 1 2614 ;; 2615esac 2616rm -f conftest* 2617 2618# Decide which environment variable is used to find dynamic libraries. 2619case "${host}" in 2620 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2621 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2622 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2623 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2624esac 2625 2626# On systems where the dynamic library environment variable is PATH, 2627# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2628# built executables to PATH. 2629if test "$RPATH_ENVVAR" = PATH; then 2630 GCC_SHLIB_SUBDIR=/shlib 2631else 2632 GCC_SHLIB_SUBDIR= 2633fi 2634 2635# Adjust the toplevel makefile according to whether bootstrap was selected. 2636case $enable_bootstrap in 2637 yes) 2638 bootstrap_suffix=bootstrap 2639 BUILD_CONFIG=bootstrap-debug 2640 ;; 2641 no) 2642 bootstrap_suffix=no-bootstrap 2643 BUILD_CONFIG= 2644 ;; 2645esac 2646 2647AC_MSG_CHECKING(for default BUILD_CONFIG) 2648 2649AC_ARG_WITH([build-config], 2650 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2651 [use config/NAME.mk build configuration])], 2652 [case $with_build_config in 2653 yes) with_build_config= ;; 2654 no) with_build_config= BUILD_CONFIG= ;; 2655 esac]) 2656 2657if test "x${with_build_config}" != x; then 2658 BUILD_CONFIG=$with_build_config 2659else 2660 case $BUILD_CONFIG in 2661 bootstrap-debug) 2662 if echo "int f (void) { return 0; }" > conftest.c && 2663 ${CC} -c conftest.c && 2664 mv conftest.o conftest.o.g0 && 2665 ${CC} -c -g conftest.c && 2666 mv conftest.o conftest.o.g && 2667 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2668 : 2669 else 2670 BUILD_CONFIG= 2671 fi 2672 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2673 ;; 2674 esac 2675fi 2676AC_MSG_RESULT($BUILD_CONFIG) 2677AC_SUBST(BUILD_CONFIG) 2678 2679# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2680AC_MSG_CHECKING([for --enable-vtable-verify]) 2681AC_ARG_ENABLE(vtable-verify, 2682[AS_HELP_STRING([--enable-vtable-verify], 2683 [Enable vtable verification feature])], 2684[case "$enableval" in 2685 yes) enable_vtable_verify=yes ;; 2686 no) enable_vtable_verify=no ;; 2687 *) enable_vtable_verify=no;; 2688 esac], 2689[enable_vtable_verify=no]) 2690AC_MSG_RESULT($enable_vtable_verify) 2691 2692# Record target_configdirs and the configure arguments for target and 2693# build configuration in Makefile. 2694target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2695build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2696bootstrap_fixincludes=no 2697 2698# If we are building libgomp, bootstrap it. 2699if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2700 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2701fi 2702 2703# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2704# or bootstrap-ubsan, bootstrap it. 2705if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2706 case "$BUILD_CONFIG" in 2707 *bootstrap-asan* | *bootstrap-ubsan* ) 2708 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2709 bootstrap_fixincludes=yes 2710 ;; 2711 esac 2712fi 2713 2714# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2715if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2716 test "$enable_vtable_verify" != no; then 2717 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2718fi 2719 2720# Determine whether gdb needs tk/tcl or not. 2721# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2722# and in that case we want gdb to be built without tk. Ugh! 2723# In fact I believe gdb is the *only* package directly dependent on tk, 2724# so we should be able to put the 'maybe's in unconditionally and 2725# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2726# 100% sure that that's safe though. 2727 2728gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2729case "$enable_gdbtk" in 2730 no) 2731 GDB_TK="" ;; 2732 yes) 2733 GDB_TK="${gdb_tk}" ;; 2734 *) 2735 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2736 # distro. Eventually someone will fix this and move Insight, nee 2737 # gdbtk to a separate directory. 2738 if test -d ${srcdir}/gdb/gdbtk ; then 2739 GDB_TK="${gdb_tk}" 2740 else 2741 GDB_TK="" 2742 fi 2743 ;; 2744esac 2745CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2746INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2747 2748# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing 2749# else does, only include them if one of these is built. The Makefile 2750# provides the ordering, so it's enough here to add to the list. 2751case " ${configdirs} " in 2752 *\ gdb\ *) 2753 configdirs="${configdirs} gnulib gdbsupport" 2754 ;; 2755 *\ gdbserver\ *) 2756 configdirs="${configdirs} gnulib gdbsupport" 2757 ;; 2758esac 2759 2760# Strip out unwanted targets. 2761 2762# While at that, we remove Makefiles if we were started for recursive 2763# configuration, so that the top-level Makefile reconfigures them, 2764# like we used to do when configure itself was recursive. 2765 2766# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2767# but now we're fixing up the Makefile ourselves with the additional 2768# commands passed to AC_CONFIG_FILES. Use separate variables 2769# extrasub-{build,host,target} not because there is any reason to split 2770# the substitutions up that way, but only to remain below the limit of 2771# 99 commands in a script, for HP-UX sed. 2772 2773# Do not nest @if/@endif or @unless/@endunless pairs, because 2774# configure will not warn you at all. 2775 2776case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2777 yes:yes:*\ gold\ *:*,c++,*) ;; 2778 yes:yes:*\ gold\ *:*) 2779 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2780 ;; 2781esac 2782 2783extrasub_build= 2784for module in ${build_configdirs} ; do 2785 if test -z "${no_recursion}" \ 2786 && test -f ${build_subdir}/${module}/Makefile; then 2787 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2788 rm -f ${build_subdir}/${module}/Makefile 2789 fi 2790 extrasub_build="$extrasub_build 2791/^@if build-$module\$/d 2792/^@endif build-$module\$/d 2793/^@unless build-$module\$/,/^@endunless build-$module\$/d 2794/^@if build-$module-$bootstrap_suffix\$/d 2795/^@endif build-$module-$bootstrap_suffix\$/d 2796/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 2797done 2798extrasub_host= 2799for module in ${configdirs} ; do 2800 if test -z "${no_recursion}"; then 2801 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2802 if test -f ${file}; then 2803 echo 1>&2 "*** removing ${file} to force reconfigure" 2804 rm -f ${file} 2805 fi 2806 done 2807 fi 2808 case ${module},${bootstrap_fixincludes} in 2809 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2810 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2811 esac 2812 extrasub_host="$extrasub_host 2813/^@if $module\$/d 2814/^@endif $module\$/d 2815/^@unless $module\$/,/^@endunless $module\$/d 2816/^@if $module-$host_bootstrap_suffix\$/d 2817/^@endif $module-$host_bootstrap_suffix\$/d 2818/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 2819done 2820extrasub_target= 2821for module in ${target_configdirs} ; do 2822 if test -z "${no_recursion}" \ 2823 && test -f ${target_subdir}/${module}/Makefile; then 2824 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2825 rm -f ${target_subdir}/${module}/Makefile 2826 fi 2827 2828 # We only bootstrap target libraries listed in bootstrap_target_libs. 2829 case $bootstrap_target_libs in 2830 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2831 *) target_bootstrap_suffix=no-bootstrap ;; 2832 esac 2833 2834 extrasub_target="$extrasub_target 2835/^@if target-$module\$/d 2836/^@endif target-$module\$/d 2837/^@unless target-$module\$/,/^@endunless target-$module\$/d 2838/^@if target-$module-$target_bootstrap_suffix\$/d 2839/^@endif target-$module-$target_bootstrap_suffix\$/d 2840/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 2841done 2842 2843# Do the final fixup along with target modules. 2844extrasub_target="$extrasub_target 2845/^@if /,/^@endif /d 2846/^@unless /d 2847/^@endunless /d" 2848 2849# Create the serialization dependencies. This uses a temporary file. 2850 2851AC_ARG_ENABLE([serial-configure], 2852[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2853 [force sequential configuration of 2854 sub-packages for the host, target or build 2855 machine, or all sub-packages])]) 2856 2857case ${enable_serial_configure} in 2858 yes) 2859 enable_serial_build_configure=yes 2860 enable_serial_host_configure=yes 2861 enable_serial_target_configure=yes 2862 ;; 2863esac 2864 2865# These force 'configure's to be done one at a time, to avoid problems 2866# with contention over a shared config.cache. 2867rm -f serdep.tmp 2868echo '# serdep.tmp' > serdep.tmp 2869olditem= 2870test "x${enable_serial_build_configure}" = xyes && 2871for item in ${build_configdirs} ; do 2872 case ${olditem} in 2873 "") ;; 2874 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2875 esac 2876 olditem=${item} 2877done 2878olditem= 2879test "x${enable_serial_host_configure}" = xyes && 2880for item in ${configdirs} ; do 2881 case ${olditem} in 2882 "") ;; 2883 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2884 esac 2885 olditem=${item} 2886done 2887olditem= 2888test "x${enable_serial_target_configure}" = xyes && 2889for item in ${target_configdirs} ; do 2890 case ${olditem} in 2891 "") ;; 2892 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2893 esac 2894 olditem=${item} 2895done 2896serialization_dependencies=serdep.tmp 2897AC_SUBST_FILE(serialization_dependencies) 2898 2899# Base args. Strip norecursion, cache-file, srcdir, host, build, 2900# target, nonopt, and variable assignments. These are the ones we 2901# might not want to pass down to subconfigures. The exception being 2902# --cache-file=/dev/null, which is used to turn off the use of cache 2903# files altogether, and which should be passed on to subconfigures. 2904# Also strip program-prefix, program-suffix, and program-transform-name, 2905# so that we can pass down a consistent program-transform-name. 2906baseargs= 2907tbaseargs= 2908keep_next=no 2909skip_next=no 2910eval "set -- $ac_configure_args" 2911for ac_arg 2912do 2913 if test X"$skip_next" = X"yes"; then 2914 skip_next=no 2915 continue 2916 fi 2917 if test X"$keep_next" = X"yes"; then 2918 case $ac_arg in 2919 *\'*) 2920 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2921 esac 2922 baseargs="$baseargs '$ac_arg'" 2923 tbaseargs="$tbaseargs '$ac_arg'" 2924 keep_next=no 2925 continue 2926 fi 2927 2928 # Handle separated arguments. Based on the logic generated by 2929 # autoconf 2.59. 2930 case $ac_arg in 2931 *=* | --config-cache | -C | -disable-* | --disable-* \ 2932 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2933 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2934 | -with-* | --with-* | -without-* | --without-* | --x) 2935 separate_arg=no 2936 ;; 2937 -*) 2938 separate_arg=yes 2939 ;; 2940 *) 2941 separate_arg=no 2942 ;; 2943 esac 2944 2945 skip_targ=no 2946 case $ac_arg in 2947changequote(,) 2948 --with-* | --without-*) 2949 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2950 2951 case $libopt in 2952 *[-_]include) 2953 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2954 ;; 2955 *[-_]lib) 2956 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2957 ;; 2958 *) 2959 lib=$libopt 2960 ;; 2961 esac 2962changequote([,]) 2963 2964 case $lib in 2965 mpc | mpfr | gmp | isl) 2966 # If we're processing --with-$lib, --with-$lib-include or 2967 # --with-$lib-lib, for one of the libs above, and target is 2968 # different from host, don't pass the current argument to any 2969 # target library's configure. 2970 if test x$is_cross_compiler = xyes; then 2971 skip_targ=yes 2972 fi 2973 ;; 2974 esac 2975 ;; 2976 esac 2977 2978 case "$ac_arg" in 2979 --cache-file=/dev/null | \ 2980 -cache-file=/dev/null ) 2981 # Handled here to avoid the test to skip args below. 2982 baseargs="$baseargs '$ac_arg'" 2983 tbaseargs="$tbaseargs '$ac_arg'" 2984 # Assert: $separate_arg should always be no. 2985 keep_next=$separate_arg 2986 ;; 2987 --no*) 2988 continue 2989 ;; 2990 --c* | \ 2991 --sr* | \ 2992 --ho* | \ 2993 --bu* | \ 2994 --t* | \ 2995 --program-* | \ 2996 -cache_file* | \ 2997 -srcdir* | \ 2998 -host* | \ 2999 -build* | \ 3000 -target* | \ 3001 -program-prefix* | \ 3002 -program-suffix* | \ 3003 -program-transform-name* ) 3004 skip_next=$separate_arg 3005 continue 3006 ;; 3007 -*) 3008 # An option. Add it. 3009 case $ac_arg in 3010 *\'*) 3011 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3012 esac 3013 baseargs="$baseargs '$ac_arg'" 3014 if test X"$skip_targ" = Xno; then 3015 tbaseargs="$tbaseargs '$ac_arg'" 3016 fi 3017 keep_next=$separate_arg 3018 ;; 3019 *) 3020 # Either a variable assignment, or a nonopt (triplet). Don't 3021 # pass it down; let the Makefile handle this. 3022 continue 3023 ;; 3024 esac 3025done 3026# Remove the initial space we just introduced and, as these will be 3027# expanded by make, quote '$'. 3028baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3029 3030# Add in --program-transform-name, after --program-prefix and 3031# --program-suffix have been applied to it. Autoconf has already 3032# doubled dollar signs and backslashes in program_transform_name; we want 3033# the backslashes un-doubled, and then the entire thing wrapped in single 3034# quotes, because this will be expanded first by make and then by the shell. 3035# Also, because we want to override the logic in subdir configure scripts to 3036# choose program_transform_name, replace any s,x,x, with s,y,y,. 3037sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3038${program_transform_name} 3039EOF_SED 3040gcc_transform_name=`cat conftestsed.out` 3041rm -f conftestsed.out 3042baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3043tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3044if test "$silent" = yes; then 3045 baseargs="$baseargs --silent" 3046 tbaseargs="$tbaseargs --silent" 3047fi 3048baseargs="$baseargs --disable-option-checking" 3049tbaseargs="$tbaseargs --disable-option-checking" 3050 3051# Record and document user additions to sub configure arguments. 3052AC_ARG_VAR([build_configargs], 3053 [additional configure arguments for build directories]) 3054AC_ARG_VAR([host_configargs], 3055 [additional configure arguments for host directories]) 3056AC_ARG_VAR([target_configargs], 3057 [additional configure arguments for target directories]) 3058 3059# For the build-side libraries, we just need to pretend we're native, 3060# and not use the same cache file. Multilibs are neither needed nor 3061# desired. We can't even use the same cache file for all build-side 3062# libraries, as they're compiled differently; some with C, some with 3063# C++ or with different feature-enabling options. 3064build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3065 3066# For host modules, accept cache file option, or specification as blank. 3067case "${cache_file}" in 3068"") # empty 3069 cache_file_option="" ;; 3070/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3071 cache_file_option="--cache-file=${cache_file}" ;; 3072*) # relative path 3073 cache_file_option="--cache-file=../${cache_file}" ;; 3074esac 3075 3076# Host dirs don't like to share a cache file either, horribly enough. 3077# This seems to be due to autoconf 2.5x stupidity. 3078host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3079 3080target_configargs="$target_configargs ${tbaseargs}" 3081 3082# Passing a --with-cross-host argument lets the target libraries know 3083# whether they are being built with a cross-compiler or being built 3084# native. However, it would be better to use other mechanisms to make the 3085# sorts of decisions they want to make on this basis. Please consider 3086# this option to be deprecated. FIXME. 3087if test x${is_cross_compiler} = xyes ; then 3088 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3089fi 3090 3091# Special user-friendly check for native x86_64-linux build, if 3092# multilib is not explicitly enabled. 3093case "$target:$have_compiler:$host:$target:$enable_multilib" in 3094 x86_64-*linux*:yes:$build:$build:) 3095 # Make sure we have a development environment that handles 32-bit 3096 dev64=no 3097 echo "int main () { return 0; }" > conftest.c 3098 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3099 if test $? = 0 ; then 3100 if test -s conftest || test -s conftest.exe ; then 3101 dev64=yes 3102 fi 3103 fi 3104 rm -f conftest* 3105 if test x${dev64} != xyes ; then 3106 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.]) 3107 fi 3108 ;; 3109esac 3110 3111# Default to --enable-multilib. 3112if test x${enable_multilib} = x ; then 3113 target_configargs="--enable-multilib ${target_configargs}" 3114fi 3115 3116# Pass --with-newlib if appropriate. Note that target_configdirs has 3117# changed from the earlier setting of with_newlib. 3118if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3119 target_configargs="--with-newlib ${target_configargs}" 3120fi 3121 3122# Different target subdirs use different values of certain variables 3123# (notably CXX). Worse, multilibs use *lots* of different values. 3124# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3125# it doesn't automatically accept command-line overrides of them. 3126# This means it's not safe for target subdirs to share a cache file, 3127# which is disgusting, but there you have it. Hopefully this can be 3128# fixed in future. It's still worthwhile to use a cache file for each 3129# directory. I think. 3130 3131# Pass the appropriate --build, --host, --target and --cache-file arguments. 3132# We need to pass --target, as newer autoconf's requires consistency 3133# for target_alias and gcc doesn't manage it consistently. 3134target_configargs="--cache-file=./config.cache ${target_configargs}" 3135 3136FLAGS_FOR_TARGET= 3137case " $target_configdirs " in 3138 *" newlib "*) 3139 case " $target_configargs " in 3140 *" --with-newlib "*) 3141 case "$target" in 3142 *-cygwin*) 3143 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3144 ;; 3145 esac 3146 3147 # If we're not building GCC, don't discard standard headers. 3148 if test -d ${srcdir}/gcc; then 3149 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3150 3151 if test "${build}" != "${host}"; then 3152 # On Canadian crosses, CC_FOR_TARGET will have already been set 3153 # by `configure', so we won't have an opportunity to add -Bgcc/ 3154 # to it. This is right: we don't want to search that directory 3155 # for binaries, but we want the header files in there, so add 3156 # them explicitly. 3157 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3158 3159 # Someone might think of using the pre-installed headers on 3160 # Canadian crosses, in case the installed compiler is not fully 3161 # compatible with the compiler being built. In this case, it 3162 # would be better to flag an error than risking having 3163 # incompatible object files being constructed. We can't 3164 # guarantee that an error will be flagged, but let's hope the 3165 # compiler will do it, when presented with incompatible header 3166 # files. 3167 fi 3168 fi 3169 3170 case "${target}-${is_cross_compiler}" in 3171 i[[3456789]]86-*-linux*-no) 3172 # Here host == target, so we don't need to build gcc, 3173 # so we don't want to discard standard headers. 3174 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3175 ;; 3176 *) 3177 # If we're building newlib, use its generic headers last, but search 3178 # for any libc-related directories first (so make it the last -B 3179 # switch). 3180 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3181 3182 # If we're building libgloss, find the startup file, simulator library 3183 # and linker script. 3184 case " $target_configdirs " in 3185 *" libgloss "*) 3186 # Look for startup file, simulator library and maybe linker script. 3187 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3188 # Look for libnosys.a in case the target needs it. 3189 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3190 # Most targets have the linker script in the source directory. 3191 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3192 ;; 3193 esac 3194 ;; 3195 esac 3196 ;; 3197 esac 3198 ;; 3199esac 3200 3201case "$target" in 3202 x86_64-*mingw* | *-w64-mingw*) 3203 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3204 # however, use a symlink named 'mingw' in ${prefix} . 3205 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3206 ;; 3207 *-mingw*) 3208 # MinGW can't be handled as Cygwin above since it does not use newlib. 3209 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3210 ;; 3211esac 3212 3213# Allow the user to override the flags for 3214# our build compiler if desired. 3215if test x"${build}" = x"${host}" ; then 3216 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3217 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3218 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3219fi 3220 3221# On Canadian crosses, we'll be searching the right directories for 3222# the previously-installed cross compiler, so don't bother to add 3223# flags for directories within the install tree of the compiler 3224# being built; programs in there won't even run. 3225if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3226 # Search for pre-installed headers if nothing else fits. 3227 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3228fi 3229 3230if test "x${use_gnu_ld}" = x && 3231 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3232 # Arrange for us to find uninstalled linker scripts. 3233 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3234fi 3235 3236# Search for other target-specific linker scripts and such. 3237case "${target}" in 3238 mep*) 3239 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3240 ;; 3241esac 3242 3243# Makefile fragments. 3244for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3245do 3246 eval fragval=\$$frag 3247 if test $fragval != /dev/null; then 3248 eval $frag=${srcdir}/$fragval 3249 fi 3250done 3251AC_SUBST_FILE(host_makefile_frag) 3252AC_SUBST_FILE(target_makefile_frag) 3253AC_SUBST_FILE(alphaieee_frag) 3254AC_SUBST_FILE(ospace_frag) 3255 3256# Miscellanea: directories, flags, etc. 3257AC_SUBST(RPATH_ENVVAR) 3258AC_SUBST(GCC_SHLIB_SUBDIR) 3259AC_SUBST(tooldir) 3260AC_SUBST(build_tooldir) 3261AC_SUBST(CONFIGURE_GDB_TK) 3262AC_SUBST(GDB_TK) 3263AC_SUBST(INSTALL_GDB_TK) 3264 3265# Build module lists & subconfigure args. 3266AC_SUBST(build_configargs) 3267AC_SUBST(build_configdirs) 3268 3269# Host module lists & subconfigure args. 3270AC_SUBST(host_configargs) 3271AC_SUBST(configdirs) 3272AC_SUBST(target_configdirs) 3273 3274# Target module lists & subconfigure args. 3275AC_SUBST(target_configargs) 3276 3277 3278# Build tools. 3279AC_SUBST(AR_FOR_BUILD) 3280AC_SUBST(AS_FOR_BUILD) 3281AC_SUBST(CC_FOR_BUILD) 3282AC_SUBST(CFLAGS_FOR_BUILD) 3283AC_SUBST(CXXFLAGS_FOR_BUILD) 3284AC_SUBST(CXX_FOR_BUILD) 3285AC_SUBST(DLLTOOL_FOR_BUILD) 3286AC_SUBST(GFORTRAN_FOR_BUILD) 3287AC_SUBST(GOC_FOR_BUILD) 3288AC_SUBST(LDFLAGS_FOR_BUILD) 3289AC_SUBST(LD_FOR_BUILD) 3290AC_SUBST(NM_FOR_BUILD) 3291AC_SUBST(RANLIB_FOR_BUILD) 3292AC_SUBST(WINDMC_FOR_BUILD) 3293AC_SUBST(WINDRES_FOR_BUILD) 3294 3295# Generate default definitions for YACC, M4, LEX and other programs that run 3296# on the build machine. These are used if the Makefile can't locate these 3297# programs in objdir. 3298MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3299 3300AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3301case " $build_configdirs " in 3302 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3303esac 3304 3305AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3306case " $build_configdirs " in 3307 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3308esac 3309 3310AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3311case " $build_configdirs " in 3312 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3313esac 3314 3315AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3316case " $build_configdirs " in 3317 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3318 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3319esac 3320 3321AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3322case " $build_configdirs " in 3323 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3324esac 3325 3326AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3327case " $build_configdirs " in 3328 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3329 *) 3330changequote(,) 3331 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3332 # higher, else we use the "missing" dummy. 3333 if ${MAKEINFO} --version \ 3334 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3335 : 3336 else 3337 MAKEINFO="$MISSING makeinfo" 3338 fi 3339 ;; 3340changequote([,]) 3341esac 3342 3343# FIXME: expect and dejagnu may become build tools? 3344 3345AC_CHECK_PROGS(EXPECT, expect, expect) 3346case " $configdirs " in 3347 *" expect "*) 3348 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3349 ;; 3350esac 3351 3352AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3353case " $configdirs " in 3354 *" dejagnu "*) 3355 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3356 ;; 3357esac 3358 3359 3360# Host tools. 3361NCN_STRICT_CHECK_TOOLS(AR, ar) 3362NCN_STRICT_CHECK_TOOLS(AS, as) 3363NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3364NCN_STRICT_CHECK_TOOLS(LD, ld) 3365NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3366NCN_STRICT_CHECK_TOOLS(NM, nm) 3367NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3368NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3369NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3370NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3371NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3372NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3373NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3374AC_SUBST(CC) 3375AC_SUBST(CXX) 3376AC_SUBST(CFLAGS) 3377AC_SUBST(CXXFLAGS) 3378 3379# Target tools. 3380AC_ARG_WITH([build-time-tools], 3381 [AS_HELP_STRING([--with-build-time-tools=PATH], 3382 [use given path to find target tools during the build])], 3383 [case x"$withval" in 3384 x/*) ;; 3385 *) 3386 with_build_time_tools= 3387 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3388 ;; 3389 esac], 3390 [with_build_time_tools=]) 3391 3392NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3393NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3394NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3395NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3396NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3397 3398ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3399ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3400ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3401ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3402ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3403ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3404ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3405ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3406ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3407ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3408ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3409ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3410ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3411 3412RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3413 3414GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3415GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3416GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3417dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3418GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3419 [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], 3420 c++) 3421GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3422 [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], 3423 c++) 3424GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3425GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3426GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3427 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3428GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3429 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3430GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3431GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3432GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3433GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3434GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3435GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3436GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3437GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3438GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3439GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3440 3441AC_SUBST(FLAGS_FOR_TARGET) 3442AC_SUBST(RAW_CXX_FOR_TARGET) 3443 3444# Certain tools may need extra flags. 3445AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3446RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3447NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3448 3449# When building target libraries, except in a Canadian cross, we use 3450# the same toolchain as the compiler we just built. 3451COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3452COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3453COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3454if test $host = $build; then 3455 case " $configdirs " in 3456 *" gcc "*) 3457 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3458 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3459 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3460 ;; 3461 esac 3462fi 3463 3464AC_SUBST(COMPILER_AS_FOR_TARGET) 3465AC_SUBST(COMPILER_LD_FOR_TARGET) 3466AC_SUBST(COMPILER_NM_FOR_TARGET) 3467 3468AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3469AC_ARG_ENABLE(maintainer-mode, 3470[AS_HELP_STRING([--enable-maintainer-mode], 3471 [enable make rules and dependencies not useful 3472 (and sometimes confusing) to the casual installer])], 3473 USE_MAINTAINER_MODE=$enableval, 3474 USE_MAINTAINER_MODE=no) 3475AC_MSG_RESULT($USE_MAINTAINER_MODE) 3476AC_SUBST(MAINTAINER_MODE_TRUE) 3477AC_SUBST(MAINTAINER_MODE_FALSE) 3478if test "$USE_MAINTAINER_MODE" = yes; then 3479 MAINTAINER_MODE_TRUE= 3480 MAINTAINER_MODE_FALSE='#' 3481else 3482 MAINTAINER_MODE_TRUE='#' 3483 MAINTAINER_MODE_FALSE= 3484fi 3485MAINT=$MAINTAINER_MODE_TRUE 3486AC_SUBST(MAINT)dnl 3487 3488# --------------------- 3489# GCC bootstrap support 3490# --------------------- 3491 3492# Stage specific cflags for build. 3493stage1_cflags="-g" 3494case $build in 3495 vax-*-*) 3496 case ${GCC} in 3497 yes) stage1_cflags="-g -Wa,-J" ;; 3498 *) stage1_cflags="-g -J" ;; 3499 esac ;; 3500esac 3501 3502AC_SUBST(stage1_cflags) 3503 3504# Enable --enable-checking in stage1 of the compiler. 3505AC_ARG_ENABLE(stage1-checking, 3506[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3507 [choose additional checking for stage1 of the compiler])], 3508[stage1_checking=--enable-checking=${enable_stage1_checking}], 3509[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3510 # For --disable-checking or implicit --enable-checking=release, avoid 3511 # setting --enable-checking=gc in the default stage1 checking for LTO 3512 # bootstraps. See PR62077. 3513 case $BUILD_CONFIG in 3514 *lto*) 3515 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3516 *) 3517 stage1_checking=--enable-checking=yes,types;; 3518 esac 3519 if test "x$enable_checking" = x && \ 3520 test -d ${srcdir}/gcc && \ 3521 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3522 stage1_checking=--enable-checking=yes,types,extra 3523 fi 3524else 3525 stage1_checking=--enable-checking=$enable_checking,types 3526fi]) 3527AC_SUBST(stage1_checking) 3528 3529# Enable -Werror in bootstrap stage2 and later. 3530AC_ARG_ENABLE(werror, 3531[AS_HELP_STRING([--enable-werror], 3532 [enable -Werror in bootstrap stage2 and later])], 3533[ 3534case ${enable_werror} in 3535 yes) stage2_werror_flag="--enable-werror-always" ;; 3536 *) stage2_werror_flag="" ;; 3537esac 3538], 3539[ 3540if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3541 case $BUILD_CONFIG in 3542 bootstrap-debug) 3543 stage2_werror_flag="--enable-werror-always" ;; 3544 "") 3545 stage2_werror_flag="--enable-werror-always" ;; 3546 esac 3547fi 3548]) 3549 3550AC_SUBST(stage2_werror_flag) 3551 3552# Specify what files to not compare during bootstrap. 3553 3554compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3555case "$target" in 3556 hppa*64*-*-hpux*) ;; 3557 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3558 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3559esac 3560AC_SUBST(compare_exclusions) 3561 3562AC_CONFIG_FILES([Makefile], 3563 [sed "$extrasub_build" Makefile | 3564 sed "$extrasub_host" | 3565 sed "$extrasub_target" > mf$$ 3566 mv -f mf$$ Makefile], 3567 [extrasub_build="$extrasub_build" 3568 extrasub_host="$extrasub_host" 3569 extrasub_target="$extrasub_target"]) 3570AC_OUTPUT 3571