configure.ac revision 1.1.1.4
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# 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]) 32m4_include([config/cloog.m4]) 33 34AC_INIT(move-if-change) 35AC_PREREQ(2.64) 36AC_DISABLE_OPTION_CHECKING 37 38progname=$0 39# if PWD already has a value, it is probably wrong. 40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 41 42# Export original configure arguments for use by sub-configures. 43# Quote arguments with shell meta charatcers. 44TOPLEVEL_CONFIGURE_ARGUMENTS= 45set -- "$progname" "$@" 46for ac_arg 47do 48 case "$ac_arg" in 49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 51 # if the argument is of the form -foo=baz, quote the baz part only 52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 53 *) ;; 54 esac 55 # Add the quoted argument to the list. 56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 57done 58if test "$silent" = yes; then 59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 60fi 61# Remove the initial space we just introduced and, as these will be 62# expanded by make, quote '$'. 63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 65 66# Find the build, host, and target systems. 67ACX_NONCANONICAL_BUILD 68ACX_NONCANONICAL_HOST 69ACX_NONCANONICAL_TARGET 70 71dnl Autoconf 2.5x and later will set a default program prefix if 72dnl --target was used, even if it was the same as --host. Disable 73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 74dnl to take effect. 75test "$host_noncanonical" = "$target_noncanonical" && 76 test "$program_prefix$program_suffix$program_transform_name" = \ 77 NONENONEs,x,x, && 78 program_transform_name=s,y,y, 79 80AC_CANONICAL_SYSTEM 81AC_ARG_PROGRAM 82 83m4_pattern_allow([^AS_FOR_TARGET$])dnl 84m4_pattern_allow([^AS_FOR_BUILD$])dnl 85 86# Get 'install' or 'install-sh' and its variants. 87AC_PROG_INSTALL 88ACX_PROG_LN 89AC_PROG_LN_S 90AC_PROG_SED 91AC_PROG_AWK 92 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 94 95# We pass INSTALL explicitly to sub-makes. Make sure that it is not 96# a relative path. 97if test "$INSTALL" = "${srcdir}/install-sh -c"; then 98 INSTALL="${srcpwd}/install-sh -c" 99fi 100 101# Set srcdir to "." if that's what it is. 102# This is important for multilib support. 103pwd=`${PWDCMD-pwd}` 104if test "${pwd}" = "${srcpwd}" ; then 105 srcdir=. 106fi 107 108topsrcdir=$srcpwd 109 110extra_host_args= 111 112### To add a new directory to the tree, first choose whether it is a target 113### or a host dependent tool. Then put it into the appropriate list 114### (library or tools, host or target), doing a dependency sort. 115 116# Subdirs will be configured in the order listed in build_configdirs, 117# configdirs, or target_configdirs; see the serialization section below. 118 119# Dependency sorting is only needed when *configuration* must be done in 120# a particular order. In all cases a dependency should be specified in 121# the Makefile, whether or not it's implicitly specified here. 122 123# Double entries in build_configdirs, configdirs, or target_configdirs may 124# cause circular dependencies and break everything horribly. 125 126# these library is used by various programs built for the build 127# environment 128# 129build_libs="build-libiberty" 130 131# these tools are built for the build environment 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 133 134# these libraries are used by various programs built for the host environment 135# 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv" 137 138# these tools are built for the host environment 139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 140# know that we are building the simulator. 141# binutils, gas and ld appear in that order because it makes sense to run 142# "make check" in that particular order. 143# If --enable-gold is used, "gold" may replace "ld". 144host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools" 145 146# libgcj represents the runtime libraries only used by gcj. 147libgcj="target-libffi \ 148 target-zlib \ 149 target-libjava" 150 151# these libraries are built for the target environment, and are built after 152# the host libraries and the host tools (which may be a cross compiler) 153# Note that libiberty is not a target library. 154target_libraries="target-libgcc \ 155 target-libbacktrace \ 156 target-libgloss \ 157 target-newlib \ 158 target-libgomp \ 159 target-libatomic \ 160 target-libitm \ 161 target-libstdc++-v3 \ 162 target-libmudflap \ 163 target-libsanitizer \ 164 target-libssp \ 165 target-libquadmath \ 166 target-libgfortran \ 167 target-boehm-gc \ 168 ${libgcj} \ 169 target-libobjc \ 170 target-libada \ 171 target-libgo" 172 173# these tools are built using the target libraries, and are intended to 174# run only in the target environment 175# 176# note: any program that *uses* libraries that are in the "target_libraries" 177# list belongs in this list. 178# 179target_tools="target-rda" 180 181################################################################################ 182 183## All tools belong in one of the four categories, and are assigned above 184## We assign ${configdirs} this way to remove all embedded newlines. This 185## is important because configure will choke if they ever get through. 186## ${configdirs} is directories we build using the host tools. 187## ${target_configdirs} is directories we build using the target tools. 188configdirs=`echo ${host_libs} ${host_tools}` 189target_configdirs=`echo ${target_libraries} ${target_tools}` 190build_configdirs=`echo ${build_libs} ${build_tools}` 191 192m4_divert_text([PARSE_ARGS], 193[case $srcdir in 194 *" "*) 195m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 196 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 197m4_popdef([AS_MESSAGE_LOG_FD])dnl 198 ;; 199esac 200ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 201]) 202 203################################################################################ 204 205srcname="gnu development package" 206 207# This gets set non-empty for some net releases of packages. 208appdirs="" 209 210# Define is_cross_compiler to save on calls to 'test'. 211is_cross_compiler= 212if test x"${host}" = x"${target}" ; then 213 is_cross_compiler=no 214else 215 is_cross_compiler=yes 216fi 217 218# Find the build and target subdir names. 219GCC_TOPLEV_SUBDIRS 220# Be sure to cover against remnants of an in-tree build. 221if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 222 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 223Use a pristine source tree when building in a separate tree]) 224fi 225 226# Skipdirs are removed silently. 227skipdirs= 228# Noconfigdirs are removed loudly. 229noconfigdirs="" 230 231use_gnu_ld= 232# Make sure we don't let GNU ld be added if we didn't want it. 233if test x$with_gnu_ld = xno ; then 234 use_gnu_ld=no 235 noconfigdirs="$noconfigdirs ld gold" 236fi 237 238use_gnu_as= 239# Make sure we don't let GNU as be added if we didn't want it. 240if test x$with_gnu_as = xno ; then 241 use_gnu_as=no 242 noconfigdirs="$noconfigdirs gas" 243fi 244 245use_included_zlib= 246# Make sure we don't let ZLIB be added if we didn't want it. 247if test x$with_system_zlib = xyes ; then 248 use_included_zlib=no 249 noconfigdirs="$noconfigdirs zlib" 250fi 251 252# some tools are so dependent upon X11 that if we're not building with X, 253# it's not even worth trying to configure, much less build, that tool. 254 255case ${with_x} in 256 yes | "") ;; # the default value for this tree is that X11 is available 257 no) 258 skipdirs="${skipdirs} tk itcl libgui" 259 # We won't be able to build gdbtk without X. 260 enable_gdbtk=no 261 ;; 262 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 263esac 264 265# Some are only suitable for cross toolchains. 266# Remove these if host=target. 267cross_only="target-libgloss target-newlib target-opcodes" 268 269case $is_cross_compiler in 270 no) skipdirs="${skipdirs} ${cross_only}" ;; 271esac 272 273# If both --with-headers and --with-libs are specified, default to 274# --without-newlib. 275if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 276 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 277 if test x"${with_newlib}" = x ; then 278 with_newlib=no 279 fi 280fi 281 282# Recognize --with-newlib/--without-newlib. 283case ${with_newlib} in 284 no) skipdirs="${skipdirs} target-newlib" ;; 285 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 286esac 287 288# Handle --enable-gold, --enable-ld. 289# --disable-gold [--enable-ld] 290# Build only ld. Default option. 291# --enable-gold [--enable-ld] 292# Build both gold and ld. Install gold as "ld.gold", install ld 293# as "ld.bfd" and "ld". 294# --enable-gold=default [--enable-ld] 295# Build both gold and ld. Install gold as "ld.gold" and "ld", 296# install ld as "ld.bfd". 297# --enable-gold[=default] --disable-ld 298# Build only gold, which is then installed as both "ld.gold" and "ld". 299# --enable-gold --enable-ld=default 300# Build both gold (installed as "ld.gold") and ld (installed as "ld" 301# and ld.bfd). 302# In other words, ld is default 303# --enable-gold=default --enable-ld=default 304# Error. 305 306default_ld= 307AC_ARG_ENABLE(gold, 308[AS_HELP_STRING([[--enable-gold[=ARG]]], 309 [build gold @<:@ARG={default,yes,no}@:>@])], 310ENABLE_GOLD=$enableval, 311ENABLE_GOLD=no) 312case "${ENABLE_GOLD}" in 313 yes|default) 314 # Check for ELF target. 315 is_elf=no 316 case "${target}" in 317 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 318 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 319 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 320 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 321 case "${target}" in 322 *-*-linux*aout* | *-*-linux*oldld*) 323 ;; 324 *) 325 is_elf=yes 326 ;; 327 esac 328 esac 329 330 if test "$is_elf" = "yes"; then 331 # Check for target supported by gold. 332 case "${target}" in 333 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*) 334 configdirs="$configdirs gold" 335 if test x${ENABLE_GOLD} = xdefault; then 336 default_ld=gold 337 fi 338 ENABLE_GOLD=yes 339 ;; 340 esac 341 fi 342 ;; 343 no) 344 ;; 345 *) 346 AC_MSG_ERROR([invalid --enable-gold argument]) 347 ;; 348esac 349 350AC_ARG_ENABLE(ld, 351[AS_HELP_STRING([[--enable-ld[=ARG]]], 352 [build ld @<:@ARG={default,yes,no}@:>@])], 353ENABLE_LD=$enableval, 354ENABLE_LD=yes) 355 356case "${ENABLE_LD}" in 357 default) 358 if test x${default_ld} != x; then 359 AC_MSG_ERROR([either gold or ld can be the default ld]) 360 fi 361 ;; 362 yes) 363 ;; 364 no) 365 if test x${ENABLE_GOLD} != xyes; then 366 AC_MSG_WARN([neither ld nor gold are enabled]) 367 fi 368 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 369 ;; 370 *) 371 AC_MSG_ERROR([invalid --enable-ld argument]) 372 ;; 373esac 374 375# Configure extra directories which are host specific 376 377case "${host}" in 378 *-cygwin*) 379 configdirs="$configdirs libtermcap" ;; 380esac 381 382# A target can indicate whether a language isn't supported for some reason. 383# Only spaces may be used in this macro; not newlines or tabs. 384unsupported_languages= 385 386# Remove more programs from consideration, based on the host or 387# target this usually means that a port of the program doesn't 388# exist yet. 389 390case "${host}" in 391 i[[3456789]]86-*-msdosdjgpp*) 392 noconfigdirs="$noconfigdirs tcl tk itcl" 393 ;; 394esac 395 396 397AC_ARG_ENABLE(libquadmath, 398AS_HELP_STRING([--disable-libquadmath], 399 [do not build libquadmath directory]), 400ENABLE_LIBQUADMATH=$enableval, 401ENABLE_LIBQUADMATH=yes) 402if test "${ENABLE_LIBQUADMATH}" = "no" ; then 403 noconfigdirs="$noconfigdirs target-libquadmath" 404fi 405 406 407AC_ARG_ENABLE(libquadmath-support, 408AS_HELP_STRING([--disable-libquadmath-support], 409 [disable libquadmath support for Fortran]), 410ENABLE_LIBQUADMATH_SUPPORT=$enableval, 411ENABLE_LIBQUADMATH_SUPPORT=yes) 412enable_libquadmath_support= 413if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 414 enable_libquadmath_support=no 415fi 416 417 418AC_ARG_ENABLE(libada, 419[AS_HELP_STRING([--enable-libada], [build libada directory])], 420ENABLE_LIBADA=$enableval, 421ENABLE_LIBADA=yes) 422if test "${ENABLE_LIBADA}" != "yes" ; then 423 noconfigdirs="$noconfigdirs gnattools" 424fi 425 426AC_ARG_ENABLE(libssp, 427[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 428ENABLE_LIBSSP=$enableval, 429ENABLE_LIBSSP=yes) 430 431AC_ARG_ENABLE(libstdcxx, 432AS_HELP_STRING([--disable-libstdcxx], 433 [do not build libstdc++-v3 directory]), 434ENABLE_LIBSTDCXX=$enableval, 435ENABLE_LIBSTDCXX=default) 436[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 437 noconfigdirs="$noconfigdirs libstdc++-v3" 438fi] 439 440# Save it here so that, even in case of --enable-libgcj, if the Java 441# front-end isn't enabled, we still get libgcj disabled. 442libgcj_saved=$libgcj 443case $enable_libgcj in 444yes) 445 # If we reset it here, it won't get added to noconfigdirs in the 446 # target-specific build rules, so it will be forcibly enabled 447 # (unless the Java language itself isn't enabled). 448 libgcj= 449 ;; 450no) 451 # Make sure we get it printed in the list of not supported target libs. 452 # Don't disable libffi, though, other languages use it. 453 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 454 # Clear libgcj_saved so that even if java is enabled libffi won't be 455 # built. 456 libgcj_saved= 457 ;; 458esac 459 460AC_ARG_ENABLE(static-libjava, 461[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 462 [build static libjava @<:@default=no@:>@])], 463ENABLE_STATIC_LIBJAVA=$enableval, 464ENABLE_STATIC_LIBJAVA=no) 465enable_static_libjava= 466if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 467 enable_static_libjava=yes 468fi 469 470if test x$enable_static_libjava != xyes ; then 471 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 472fi 473AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 474 475# Disable libmudflap on some systems. 476if test x$enable_libmudflap = x ; then 477 case "${target}" in 478 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu) 479 # Enable libmudflap by default in GNU and friends. 480 ;; 481 *-*-freebsd*) 482 # Enable libmudflap by default in FreeBSD. 483 ;; 484 *) 485 # Disable it by default everywhere else. 486 noconfigdirs="$noconfigdirs target-libmudflap" 487 ;; 488 esac 489fi 490 491# Disable libgomp on non POSIX hosted systems. 492if test x$enable_libgomp = x ; then 493 # Enable libgomp by default on hosted POSIX systems. 494 case "${target}" in 495 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 496 ;; 497 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 498 ;; 499 *-*-solaris2* | *-*-hpux11*) 500 ;; 501 *-*-darwin* | *-*-aix*) 502 ;; 503 *) 504 noconfigdirs="$noconfigdirs target-libgomp" 505 ;; 506 esac 507fi 508 509# Disable libatomic on unsupported systems. 510if test -d ${srcdir}/libatomic; then 511 if test x$enable_libatomic = x; then 512 AC_MSG_CHECKING([for libatomic support]) 513 if (srcdir=${srcdir}/libatomic; \ 514 . ${srcdir}/configure.tgt; \ 515 test -n "$UNSUPPORTED") 516 then 517 AC_MSG_RESULT([no]) 518 noconfigdirs="$noconfigdirs target-libatomic" 519 else 520 AC_MSG_RESULT([yes]) 521 fi 522 fi 523fi 524 525# Disable libitm on unsupported systems. 526if test -d ${srcdir}/libitm; then 527 if test x$enable_libitm = x; then 528 AC_MSG_CHECKING([for libitm support]) 529 if (srcdir=${srcdir}/libitm; \ 530 . ${srcdir}/configure.tgt; \ 531 test -n "$UNSUPPORTED") 532 then 533 AC_MSG_RESULT([no]) 534 noconfigdirs="$noconfigdirs target-libitm" 535 else 536 AC_MSG_RESULT([yes]) 537 fi 538 fi 539fi 540 541# Disable libsanitizer on unsupported systems. 542if test -d ${srcdir}/libsanitizer; then 543 if test x$enable_libsanitizer = x; then 544 AC_MSG_CHECKING([for libsanitizer support]) 545 if (srcdir=${srcdir}/libsanitizer; \ 546 . ${srcdir}/configure.tgt; \ 547 test -n "$UNSUPPORTED") 548 then 549 AC_MSG_RESULT([no]) 550 noconfigdirs="$noconfigdirs target-libsanitizer" 551 else 552 AC_MSG_RESULT([yes]) 553 fi 554 fi 555fi 556 557# Disable libquadmath for some systems. 558case "${target}" in 559 avr-*-*) 560 noconfigdirs="$noconfigdirs target-libquadmath" 561 ;; 562 # libquadmath is unused on AIX and libquadmath build process use of 563 # LD_LIBRARY_PATH can break AIX bootstrap. 564 powerpc-*-aix* | rs6000-*-aix*) 565 noconfigdirs="$noconfigdirs target-libquadmath" 566 ;; 567esac 568 569# Disable libssp for some systems. 570case "${target}" in 571 avr-*-*) 572 # No hosted I/O support. 573 noconfigdirs="$noconfigdirs target-libssp" 574 ;; 575 powerpc-*-aix* | rs6000-*-aix*) 576 noconfigdirs="$noconfigdirs target-libssp" 577 ;; 578 rl78-*-*) 579 # libssp uses a misaligned load to trigger a fault, but the RL78 580 # doesn't fault for those - instead, it gives a build-time error 581 # for explicit misaligned loads. 582 noconfigdirs="$noconfigdirs target-libssp" 583 ;; 584esac 585 586# Disable libstdc++-v3 for some systems. 587# Allow user to override this if they pass --enable-libstdc++-v3 588if test "${ENABLE_LIBSTDCXX}" = "default" ; then 589 case "${target}" in 590 *-*-vxworks*) 591 # VxWorks uses the Dinkumware C++ library. 592 noconfigdirs="$noconfigdirs target-libstdc++-v3" 593 ;; 594 arm*-wince-pe*) 595 # the C++ libraries don't build on top of CE's C libraries 596 noconfigdirs="$noconfigdirs target-libstdc++-v3" 597 ;; 598 avr-*-*) 599 noconfigdirs="$noconfigdirs target-libstdc++-v3" 600 ;; 601 esac 602fi 603 604# Disable Fortran for some systems. 605case "${target}" in 606 mmix-*-*) 607 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 608 unsupported_languages="$unsupported_languages fortran" 609 ;; 610esac 611 612# Disable Java if libffi is not supported. 613case "${target}" in 614 alpha*-*-*) 615 ;; 616 arm*-*-*) 617 ;; 618 cris-*-*) 619 ;; 620 frv-*-*) 621 ;; 622 hppa*-*-linux*) 623 ;; 624 hppa*-*-hpux*) 625 ;; 626 i?86-*-*) 627 ;; 628 ia64*-*-*) 629 ;; 630 m32r*-*-*) 631 ;; 632 m68k-*-*) 633 ;; 634 mips*-*-rtems*) 635 ;; 636 mips*-*-linux*) 637 ;; 638 powerpc*-*-linux*) 639 ;; 640 powerpc-*-darwin*) 641 ;; 642 powerpc-*-aix* | rs6000-*-aix*) 643 ;; 644 powerpc-*-freebsd*) 645 ;; 646 powerpc64-*-freebsd*) 647 ;; 648 powerpc*-*-rtems*) 649 ;; 650 s390-*-* | s390x-*-*) 651 ;; 652 sh-*-* | sh[[34]]*-*-*) 653 ;; 654 sh64-*-* | sh5*-*-*) 655 ;; 656 sparc*-*-*) 657 ;; 658 x86_64-*-*) 659 ;; 660 *-*-*) 661 unsupported_languages="$unsupported_languages java" 662 ;; 663esac 664 665# Disable Java, libgcj or related libraries for some systems. 666case "${target}" in 667 powerpc-*-darwin*) 668 ;; 669 i[[3456789]]86-*-darwin*) 670 ;; 671 x86_64-*-darwin[[912]]*) 672 ;; 673 *-*-darwin*) 674 noconfigdirs="$noconfigdirs ${libgcj}" 675 ;; 676 *-*-netware*) 677 noconfigdirs="$noconfigdirs ${libgcj}" 678 ;; 679 *-*-rtems*) 680 noconfigdirs="$noconfigdirs ${libgcj}" 681 ;; 682 *-*-tpf*) 683 noconfigdirs="$noconfigdirs ${libgcj}" 684 ;; 685 *-*-uclinux*) 686 noconfigdirs="$noconfigdirs ${libgcj}" 687 ;; 688 *-*-vxworks*) 689 noconfigdirs="$noconfigdirs ${libgcj}" 690 ;; 691 alpha*-*-*vms*) 692 noconfigdirs="$noconfigdirs ${libgcj}" 693 ;; 694 arm-wince-pe) 695 noconfigdirs="$noconfigdirs ${libgcj}" 696 ;; 697 arm*-*-symbianelf*) 698 noconfigdirs="$noconfigdirs ${libgcj}" 699 ;; 700 bfin-*-*) 701 noconfigdirs="$noconfigdirs target-boehm-gc" 702 ;; 703 cris-*-* | crisv32-*-*) 704 unsupported_languages="$unsupported_languages java" 705 case "${target}" in 706 *-*-linux*) 707 ;; 708 *) # See PR46792 regarding target-libffi. 709 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 710 esac 711 ;; 712 hppa*64*-*-linux*) 713 # In this case, it's because the hppa64-linux target is for 714 # the kernel only at this point and has no libc, and thus no 715 # headers, crt*.o, etc., all of which are needed by these. 716 unsupported_languages="$unsupported_languages java" 717 ;; 718 hppa*64*-*-hpux*) 719 noconfigdirs="$noconfigdirs ${libgcj}" 720 ;; 721 hppa*-hp-hpux11*) 722 ;; 723 hppa*-*-hpux*) 724 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 725 # build on HP-UX 10.20. 726 noconfigdirs="$noconfigdirs ${libgcj}" 727 ;; 728 ia64*-*-*vms*) 729 noconfigdirs="$noconfigdirs ${libgcj}" 730 ;; 731 i[[3456789]]86-w64-mingw*) 732 noconfigdirs="$noconfigdirs ${libgcj}" 733 ;; 734 i[[3456789]]86-*-mingw*) 735 noconfigdirs="$noconfigdirs ${libgcj}" 736 ;; 737 x86_64-*-mingw*) 738 noconfigdirs="$noconfigdirs ${libgcj}" 739 ;; 740 mmix-*-*) 741 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 742 ;; 743 powerpc-*-aix*) 744 # copied from rs6000-*-* entry 745 noconfigdirs="$noconfigdirs ${libgcj}" 746 ;; 747 rs6000-*-aix*) 748 noconfigdirs="$noconfigdirs ${libgcj}" 749 ;; 750 *-*-lynxos*) 751 noconfigdirs="$noconfigdirs ${libgcj}" 752 ;; 753esac 754 755# Disable libgo for some systems where it is known to not work. 756# For testing, you can easily override this with --enable-libgo. 757if test x$enable_libgo = x; then 758 case "${target}" in 759 *-*-darwin*) 760 # PR 46986 761 noconfigdirs="$noconfigdirs target-libgo" 762 ;; 763 *-*-cygwin* | *-*-mingw*) 764 noconfigdirs="$noconfigdirs target-libgo" 765 ;; 766 *-*-aix*) 767 noconfigdirs="$noconfigdirs target-libgo" 768 ;; 769 esac 770fi 771 772# Default libgloss CPU subdirectory. 773libgloss_dir="$target_cpu" 774 775case "${target}" in 776 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 777 libgloss_dir=wince 778 ;; 779 aarch64*-*-* ) 780 libgloss_dir=aarch64 781 ;; 782 arm*-*-*) 783 libgloss_dir=arm 784 ;; 785 cris-*-* | crisv32-*-*) 786 libgloss_dir=cris 787 ;; 788 hppa*-*-*) 789 libgloss_dir=pa 790 ;; 791 i[[3456789]]86-*-*) 792 libgloss_dir=i386 793 ;; 794 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 795 libgloss_dir=m68hc11 796 ;; 797 m68*-*-* | fido-*-*) 798 libgloss_dir=m68k 799 ;; 800 mips*-*-*) 801 libgloss_dir=mips 802 ;; 803 powerpc*-*-*) 804 libgloss_dir=rs6000 805 ;; 806 sparc*-*-*) 807 libgloss_dir=sparc 808 ;; 809esac 810 811# Disable newlib and libgloss for various target OSes. 812case "${target}" in 813 alpha*-dec-osf*) 814 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 815 ;; 816 i[[3456789]]86-*-linux*) 817 # This section makes it possible to build newlib natively on linux. 818 # If we are using a cross compiler then don't configure newlib. 819 if test x${is_cross_compiler} != xno ; then 820 noconfigdirs="$noconfigdirs target-newlib" 821 fi 822 noconfigdirs="$noconfigdirs target-libgloss" 823 # If we are not using a cross compiler, do configure newlib. 824 # Note however, that newlib will only be configured in this situation 825 # if the --with-newlib option has been given, because otherwise 826 # 'target-newlib' will appear in skipdirs. 827 ;; 828 i[[3456789]]86-*-rdos*) 829 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 830 ;; 831 sh*-*-pe|mips*-*-pe|arm-wince-pe) 832 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 833 ;; 834 sparc-*-sunos4*) 835 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 836 ;; 837 *-*-aix*) 838 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 839 ;; 840 *-*-beos*) 841 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 842 ;; 843 *-*-chorusos) 844 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 845 ;; 846 *-*-dragonfly*) 847 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 848 ;; 849 *-*-freebsd*) 850 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 851 ;; 852 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 853 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 854 ;; 855 *-*-lynxos*) 856 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 857 ;; 858 *-*-mingw*) 859 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 860 ;; 861 *-*-netbsd*) 862 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 863 ;; 864 *-*-netware*) 865 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 866 ;; 867 *-*-tpf*) 868 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 869 ;; 870 *-*-uclinux*) 871 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 872 ;; 873 *-*-vxworks*) 874 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 875 ;; 876esac 877 878case "${target}" in 879 *-*-chorusos) 880 ;; 881 powerpc-*-darwin*) 882 noconfigdirs="$noconfigdirs ld gas gdb gprof" 883 noconfigdirs="$noconfigdirs sim target-rda" 884 ;; 885 i[[3456789]]86-*-darwin*) 886 noconfigdirs="$noconfigdirs ld gprof" 887 noconfigdirs="$noconfigdirs sim target-rda" 888 ;; 889 x86_64-*-darwin[[912]]*) 890 noconfigdirs="$noconfigdirs ld gas gprof" 891 noconfigdirs="$noconfigdirs sim target-rda" 892 ;; 893 *-*-darwin*) 894 noconfigdirs="$noconfigdirs ld gas gdb gprof" 895 noconfigdirs="$noconfigdirs sim target-rda" 896 ;; 897 *-*-dragonfly*) 898 ;; 899 *-*-freebsd*) 900 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 901 && test -f /usr/local/include/gmp.h; then 902 with_gmp=/usr/local 903 fi 904 ;; 905 *-*-kaos*) 906 # Remove unsupported stuff on all kaOS configurations. 907 noconfigdirs="$noconfigdirs target-libgloss" 908 ;; 909 *-*-netbsd*) 910 ;; 911 *-*-netware*) 912 ;; 913 *-*-rtems*) 914 noconfigdirs="$noconfigdirs target-libgloss" 915 ;; 916 # The tpf target doesn't support gdb yet. 917 *-*-tpf*) 918 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 919 ;; 920 *-*-uclinux*) 921 noconfigdirs="$noconfigdirs target-rda" 922 ;; 923 *-*-vxworks*) 924 ;; 925 alpha*-dec-osf*) 926 # ld works, but does not support shared libraries. 927 # gas doesn't generate exception information. 928 noconfigdirs="$noconfigdirs gas ld" 929 ;; 930 alpha*-*-*vms*) 931 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 932 ;; 933 alpha*-*-*) 934 # newlib is not 64 bit ready 935 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 936 ;; 937 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 938 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 939 ;; 940 arc-*-*) 941 noconfigdirs="$noconfigdirs target-libgloss" 942 ;; 943 arm-*-pe*) 944 noconfigdirs="$noconfigdirs target-libgloss" 945 ;; 946 arm-*-riscix*) 947 noconfigdirs="$noconfigdirs ld target-libgloss" 948 ;; 949 avr-*-rtems*) 950 ;; 951 avr-*-*) 952 if test x${with_avrlibc} != xno; then 953 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 954 fi 955 ;; 956 c4x-*-* | tic4x-*-*) 957 noconfigdirs="$noconfigdirs target-libgloss" 958 ;; 959 tic54x-*-*) 960 noconfigdirs="$noconfigdirs target-libgloss gdb" 961 ;; 962 d10v-*-*) 963 noconfigdirs="$noconfigdirs target-libgloss" 964 ;; 965 d30v-*-*) 966 noconfigdirs="$noconfigdirs gdb" 967 ;; 968 fr30-*-elf*) 969 noconfigdirs="$noconfigdirs gdb" 970 ;; 971 moxie-*-*) 972 noconfigdirs="$noconfigdirs gprof" 973 ;; 974 h8300*-*-*) 975 noconfigdirs="$noconfigdirs target-libgloss" 976 ;; 977 h8500-*-*) 978 noconfigdirs="$noconfigdirs target-libgloss" 979 ;; 980 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 981 ;; 982 hppa*64*-*-linux*) 983 ;; 984 hppa*-*-linux*) 985 ;; 986 hppa*-*-*elf* | \ 987 hppa*-*-lites* | \ 988 hppa*-*-openbsd* | \ 989 hppa*64*-*-*) 990 ;; 991 hppa*-hp-hpux11*) 992 noconfigdirs="$noconfigdirs ld" 993 ;; 994 hppa*-*-pro*) 995 ;; 996 hppa*-*-*) 997 noconfigdirs="$noconfigdirs ld" 998 ;; 999 i960-*-*) 1000 noconfigdirs="$noconfigdirs gdb" 1001 ;; 1002 ia64*-*-elf*) 1003 # No gdb support yet. 1004 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1005 ;; 1006 ia64*-**-hpux*) 1007 # No ld support yet. 1008 noconfigdirs="$noconfigdirs libgui itcl ld" 1009 ;; 1010 ia64*-*-*vms*) 1011 # No ld support yet. 1012 noconfigdirs="$noconfigdirs libgui itcl ld" 1013 ;; 1014 i[[3456789]]86-w64-mingw*) 1015 ;; 1016 i[[3456789]]86-*-mingw*) 1017 target_configdirs="$target_configdirs target-winsup" 1018 ;; 1019 *-*-cygwin*) 1020 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1021 noconfigdirs="$noconfigdirs target-libgloss" 1022 # always build newlib if winsup directory is present. 1023 if test -d "$srcdir/winsup/cygwin"; then 1024 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1025 elif test -d "$srcdir/newlib"; then 1026 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1027 fi 1028 ;; 1029 i[[3456789]]86-*-pe) 1030 noconfigdirs="$noconfigdirs target-libgloss" 1031 ;; 1032 i[[3456789]]86-*-sco3.2v5*) 1033 # The linker does not yet know about weak symbols in COFF, 1034 # and is not configured to handle mixed ELF and COFF. 1035 noconfigdirs="$noconfigdirs ld target-libgloss" 1036 ;; 1037 i[[3456789]]86-*-sco*) 1038 noconfigdirs="$noconfigdirs gprof target-libgloss" 1039 ;; 1040 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1041 noconfigdirs="$noconfigdirs target-libgloss" 1042 ;; 1043 i[[3456789]]86-*-sysv4*) 1044 noconfigdirs="$noconfigdirs target-libgloss" 1045 ;; 1046 i[[3456789]]86-*-beos*) 1047 noconfigdirs="$noconfigdirs gdb" 1048 ;; 1049 i[[3456789]]86-*-rdos*) 1050 noconfigdirs="$noconfigdirs gdb" 1051 ;; 1052 mmix-*-*) 1053 noconfigdirs="$noconfigdirs gdb" 1054 ;; 1055 mt-*-*) 1056 noconfigdirs="$noconfigdirs sim" 1057 ;; 1058 powerpc-*-aix*) 1059 # copied from rs6000-*-* entry 1060 noconfigdirs="$noconfigdirs gprof" 1061 ;; 1062 powerpc*-*-winnt* | powerpc*-*-pe*) 1063 target_configdirs="$target_configdirs target-winsup" 1064 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1065 # always build newlib. 1066 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1067 ;; 1068 # This is temporary until we can link against shared libraries 1069 powerpcle-*-solaris*) 1070 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1071 ;; 1072 powerpc-*-beos*) 1073 noconfigdirs="$noconfigdirs gdb" 1074 ;; 1075 rs6000-*-lynxos*) 1076 noconfigdirs="$noconfigdirs gprof" 1077 ;; 1078 rs6000-*-aix*) 1079 noconfigdirs="$noconfigdirs gprof" 1080 ;; 1081 rs6000-*-*) 1082 noconfigdirs="$noconfigdirs gprof" 1083 ;; 1084 m68k-apollo-*) 1085 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1086 ;; 1087 microblaze*) 1088 noconfigdirs="$noconfigdirs gprof" 1089 ;; 1090 mips*-sde-elf* | mips*-mti-elf*) 1091 if test x$with_newlib = xyes; then 1092 noconfigdirs="$noconfigdirs gprof" 1093 fi 1094 ;; 1095 mips*-*-irix5*) 1096 noconfigdirs="$noconfigdirs gprof target-libgloss" 1097 ;; 1098 mips*-*-irix6*) 1099 noconfigdirs="$noconfigdirs gprof target-libgloss" 1100 ;; 1101 mips*-*-bsd*) 1102 noconfigdirs="$noconfigdirs gprof target-libgloss" 1103 ;; 1104 mips*-*-linux*) 1105 ;; 1106 mips*-*-*) 1107 noconfigdirs="$noconfigdirs gprof" 1108 ;; 1109 sh-*-* | sh64-*-*) 1110 case "${target}" in 1111 sh*-*-elf) 1112 ;; 1113 *) 1114 noconfigdirs="$noconfigdirs target-libgloss" ;; 1115 esac 1116 ;; 1117 sparc-*-sunos4*) 1118 if test x${is_cross_compiler} = xno ; then 1119 use_gnu_ld=no 1120 fi 1121 ;; 1122 tic6x-*-*) 1123 noconfigdirs="$noconfigdirs sim" 1124 ;; 1125 tilepro-*-* | tilegx-*-*) 1126 noconfigdirs="$noconfigdirs sim" 1127 ;; 1128 v810-*-*) 1129 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1130 ;; 1131 vax-*-*) 1132 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1133 ;; 1134esac 1135 1136# If we aren't building newlib, then don't build libgloss, since libgloss 1137# depends upon some newlib header files. 1138case "${noconfigdirs}" in 1139 *target-libgloss*) ;; 1140 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1141esac 1142 1143# Work in distributions that contain no compiler tools, like Autoconf. 1144host_makefile_frag=/dev/null 1145if test -d ${srcdir}/config ; then 1146case "${host}" in 1147 i[[3456789]]86-*-msdosdjgpp*) 1148 host_makefile_frag="config/mh-djgpp" 1149 ;; 1150 *-cygwin*) 1151 ACX_CHECK_CYGWIN_CAT_WORKS 1152 host_makefile_frag="config/mh-cygwin" 1153 ;; 1154 *-mingw*) 1155 host_makefile_frag="config/mh-mingw" 1156 ;; 1157 alpha*-*-linux*) 1158 host_makefile_frag="config/mh-alpha-linux" 1159 ;; 1160 hppa*-hp-hpux10*) 1161 host_makefile_frag="config/mh-pa-hpux10" 1162 ;; 1163 hppa*-hp-hpux*) 1164 host_makefile_frag="config/mh-pa" 1165 ;; 1166 hppa*-*) 1167 host_makefile_frag="config/mh-pa" 1168 ;; 1169 *-*-darwin*) 1170 host_makefile_frag="config/mh-darwin" 1171 ;; 1172 powerpc-*-aix*) 1173 host_makefile_frag="config/mh-ppc-aix" 1174 ;; 1175 rs6000-*-aix*) 1176 host_makefile_frag="config/mh-ppc-aix" 1177 ;; 1178esac 1179fi 1180 1181if test "${build}" != "${host}" ; then 1182 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1183 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1184 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1185 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1186 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1187 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1188 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1189 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1190 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1191 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1192 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1193 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1194 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1195else 1196 AR_FOR_BUILD="\$(AR)" 1197 AS_FOR_BUILD="\$(AS)" 1198 CC_FOR_BUILD="\$(CC)" 1199 CXX_FOR_BUILD="\$(CXX)" 1200 GCJ_FOR_BUILD="\$(GCJ)" 1201 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1202 GOC_FOR_BUILD="\$(GOC)" 1203 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1204 LD_FOR_BUILD="\$(LD)" 1205 NM_FOR_BUILD="\$(NM)" 1206 RANLIB_FOR_BUILD="\$(RANLIB)" 1207 WINDRES_FOR_BUILD="\$(WINDRES)" 1208 WINDMC_FOR_BUILD="\$(WINDMC)" 1209fi 1210 1211AC_PROG_CC 1212AC_PROG_CXX 1213 1214# We must set the default linker to the linker used by gcc for the correct 1215# operation of libtool. If LD is not defined and we are using gcc, try to 1216# set the LD default to the ld used by gcc. 1217if test -z "$LD"; then 1218 if test "$GCC" = yes; then 1219 case $build in 1220 *-*-mingw*) 1221 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1222 *) 1223 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1224 esac 1225 case $gcc_prog_ld in 1226 # Accept absolute paths. 1227 [[\\/]* | [A-Za-z]:[\\/]*)] 1228 LD="$gcc_prog_ld" ;; 1229 esac 1230 fi 1231fi 1232 1233# Check whether -static-libstdc++ -static-libgcc is supported. 1234have_static_libs=no 1235if test "$GCC" = yes; then 1236 saved_LDFLAGS="$LDFLAGS" 1237 1238 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1239 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1240 AC_LANG_PUSH(C++) 1241 AC_LINK_IFELSE([ 1242#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1243#error -static-libstdc++ not implemented 1244#endif 1245int main() {}], 1246 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1247 [AC_MSG_RESULT([no])]) 1248 AC_LANG_POP(C++) 1249 1250 LDFLAGS="$saved_LDFLAGS" 1251fi 1252 1253ACX_PROG_GNAT 1254ACX_PROG_CMP_IGNORE_INITIAL 1255 1256AC_ARG_ENABLE([bootstrap], 1257[AS_HELP_STRING([--enable-bootstrap], 1258 [enable bootstrapping @<:@yes if native build@:>@])],, 1259enable_bootstrap=default) 1260 1261# Issue errors and warnings for invalid/strange bootstrap combinations. 1262if test -r $srcdir/gcc/configure; then 1263 have_compiler=yes 1264else 1265 have_compiler=no 1266fi 1267 1268case "$have_compiler:$host:$target:$enable_bootstrap" in 1269 *:*:*:no) ;; 1270 1271 # Default behavior. Enable bootstrap if we have a compiler 1272 # and we are in a native configuration. 1273 yes:$build:$build:default) 1274 enable_bootstrap=yes ;; 1275 1276 *:*:*:default) 1277 enable_bootstrap=no ;; 1278 1279 # We have a compiler and we are in a native configuration, bootstrap is ok 1280 yes:$build:$build:yes) 1281 ;; 1282 1283 # Other configurations, but we have a compiler. Assume the user knows 1284 # what he's doing. 1285 yes:*:*:yes) 1286 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1287 ;; 1288 1289 # No compiler: if they passed --enable-bootstrap explicitly, fail 1290 no:*:*:yes) 1291 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1292 1293 # Fail if wrong command line 1294 *) 1295 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1296 ;; 1297esac 1298 1299# Used for setting $lt_cv_objdir 1300_LT_CHECK_OBJDIR 1301 1302# Check for GMP, MPFR and MPC 1303gmplibs="-lmpc -lmpfr -lgmp" 1304gmpinc= 1305have_gmp=no 1306 1307# Specify a location for mpc 1308# check for this first so it ends up on the link line before mpfr. 1309AC_ARG_WITH(mpc, 1310[AS_HELP_STRING([--with-mpc=PATH], 1311 [specify prefix directory for installed MPC package. 1312 Equivalent to --with-mpc-include=PATH/include 1313 plus --with-mpc-lib=PATH/lib])]) 1314AC_ARG_WITH(mpc-include, 1315[AS_HELP_STRING([--with-mpc-include=PATH], 1316 [specify directory for installed MPC include files])]) 1317AC_ARG_WITH(mpc-lib, 1318[AS_HELP_STRING([--with-mpc-lib=PATH], 1319 [specify directory for the installed MPC library])]) 1320 1321if test "x$with_mpc" != x; then 1322 gmplibs="-L$with_mpc/lib $gmplibs" 1323 gmpinc="-I$with_mpc/include $gmpinc" 1324fi 1325if test "x$with_mpc_include" != x; then 1326 gmpinc="-I$with_mpc_include $gmpinc" 1327fi 1328if test "x$with_mpc_lib" != x; then 1329 gmplibs="-L$with_mpc_lib $gmplibs" 1330fi 1331if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1332 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1333 gmpinc='-I$$s/mpc/src '"$gmpinc" 1334 # Do not test the mpc version. Assume that it is sufficient, since 1335 # it is in the source tree, and the library has not been built yet 1336 # but it would be included on the link line in the version check below 1337 # hence making the test fail. 1338 have_gmp=yes 1339fi 1340 1341# Specify a location for mpfr 1342# check for this first so it ends up on the link line before gmp. 1343AC_ARG_WITH(mpfr-dir, 1344[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1345[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1346Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1347 1348AC_ARG_WITH(mpfr, 1349[AS_HELP_STRING([--with-mpfr=PATH], 1350 [specify prefix directory for installed MPFR package. 1351 Equivalent to --with-mpfr-include=PATH/include 1352 plus --with-mpfr-lib=PATH/lib])]) 1353AC_ARG_WITH(mpfr-include, 1354[AS_HELP_STRING([--with-mpfr-include=PATH], 1355 [specify directory for installed MPFR include files])]) 1356AC_ARG_WITH(mpfr-lib, 1357[AS_HELP_STRING([--with-mpfr-lib=PATH], 1358 [specify directory for the installed MPFR library])]) 1359 1360if test "x$with_mpfr" != x; then 1361 gmplibs="-L$with_mpfr/lib $gmplibs" 1362 gmpinc="-I$with_mpfr/include $gmpinc" 1363fi 1364if test "x$with_mpfr_include" != x; then 1365 gmpinc="-I$with_mpfr_include $gmpinc" 1366fi 1367if test "x$with_mpfr_lib" != x; then 1368 gmplibs="-L$with_mpfr_lib $gmplibs" 1369fi 1370if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1371 # MPFR v3.1.0 moved the sources into a src sub-directory. 1372 if test -d ${srcdir}/mpfr/src; then 1373 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1374 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1375 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1376 else 1377 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1378 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1379 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1380 fi 1381 # Do not test the mpfr version. Assume that it is sufficient, since 1382 # it is in the source tree, and the library has not been built yet 1383 # but it would be included on the link line in the version check below 1384 # hence making the test fail. 1385 have_gmp=yes 1386fi 1387 1388# Specify a location for gmp 1389AC_ARG_WITH(gmp-dir, 1390[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1391[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1392Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1393 1394AC_ARG_WITH(gmp, 1395[AS_HELP_STRING([--with-gmp=PATH], 1396 [specify prefix directory for the installed GMP package. 1397 Equivalent to --with-gmp-include=PATH/include 1398 plus --with-gmp-lib=PATH/lib])]) 1399AC_ARG_WITH(gmp-include, 1400[AS_HELP_STRING([--with-gmp-include=PATH], 1401 [specify directory for installed GMP include files])]) 1402AC_ARG_WITH(gmp-lib, 1403[AS_HELP_STRING([--with-gmp-lib=PATH], 1404 [specify directory for the installed GMP library])]) 1405 1406 1407if test "x$with_gmp" != x; then 1408 gmplibs="-L$with_gmp/lib $gmplibs" 1409 gmpinc="-I$with_gmp/include $gmpinc" 1410fi 1411if test "x$with_gmp_include" != x; then 1412 gmpinc="-I$with_gmp_include $gmpinc" 1413fi 1414if test "x$with_gmp_lib" != x; then 1415 gmplibs="-L$with_gmp_lib $gmplibs" 1416fi 1417if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1418 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1419 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1420 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1421 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1422 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1423 # Do not test the gmp version. Assume that it is sufficient, since 1424 # it is in the source tree, and the library has not been built yet 1425 # but it would be included on the link line in the version check below 1426 # hence making the test fail. 1427 have_gmp=yes 1428fi 1429 1430if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1431 have_gmp=yes 1432 saved_CFLAGS="$CFLAGS" 1433 CFLAGS="$CFLAGS $gmpinc" 1434 # Check for the recommended and required versions of GMP. 1435 AC_MSG_CHECKING([for the correct version of gmp.h]) 1436 AC_TRY_COMPILE([#include "gmp.h"],[ 1437 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1438 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1439 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1440 choke me 1441 #endif 1442 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1443 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1444 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1445 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1446 choke me 1447 #endif 1448 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1449 [AC_MSG_RESULT([no]); have_gmp=no]) 1450 1451 # If we have GMP, check the MPFR version. 1452 if test x"$have_gmp" = xyes; then 1453 # Check for the recommended and required versions of MPFR. 1454 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1455 AC_TRY_COMPILE([#include <gmp.h> 1456 #include <mpfr.h>],[ 1457 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1458 choke me 1459 #endif 1460 ], [AC_TRY_COMPILE([#include <gmp.h> 1461 #include <mpfr.h>],[ 1462 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1463 choke me 1464 #endif 1465 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1466 [AC_MSG_RESULT([no]); have_gmp=no]) 1467 fi 1468 1469 # Check for the MPC header version. 1470 if test x"$have_gmp" = xyes ; then 1471 # Check for the recommended and required versions of MPC. 1472 AC_MSG_CHECKING([for the correct version of mpc.h]) 1473 AC_TRY_COMPILE([#include <mpc.h>],[ 1474 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1475 choke me 1476 #endif 1477 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1478 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1479 choke me 1480 #endif 1481 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1482 [AC_MSG_RESULT([no]); have_gmp=no]) 1483 fi 1484 1485 # Now check the MPFR library. 1486 if test x"$have_gmp" = xyes; then 1487 saved_LIBS="$LIBS" 1488 LIBS="$LIBS $gmplibs" 1489 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1490 AC_TRY_LINK([#include <mpc.h>],[ 1491 mpfr_t n; 1492 mpfr_t x; 1493 mpc_t c; 1494 int t; 1495 mpfr_init (n); 1496 mpfr_init (x); 1497 mpfr_atan2 (n, n, x, GMP_RNDN); 1498 mpfr_erfc (n, x, GMP_RNDN); 1499 mpfr_subnormalize (x, t, GMP_RNDN); 1500 mpfr_clear(n); 1501 mpfr_clear(x); 1502 mpc_init2 (c, 53); 1503 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1504 mpc_cosh (c, c, MPC_RNDNN); 1505 mpc_pow (c, c, c, MPC_RNDNN); 1506 mpc_acosh (c, c, MPC_RNDNN); 1507 mpc_clear (c); 1508 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1509 LIBS="$saved_LIBS" 1510 fi 1511 1512 CFLAGS="$saved_CFLAGS" 1513 1514# The library versions listed in the error message below should match 1515# the HARD-minimums enforced above. 1516 if test x$have_gmp != xyes; then 1517 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1518Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1519their locations. Source code for these libraries can be found at 1520their respective hosting sites as well as at 1521ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1522http://gcc.gnu.org/install/prerequisites.html for additional info. If 1523you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1524make sure that you have installed both the libraries and the header 1525files. They may be located in separate packages.]) 1526 fi 1527fi 1528 1529# Flags needed for both GMP, MPFR and/or MPC. 1530AC_SUBST(gmplibs) 1531AC_SUBST(gmpinc) 1532AC_SUBST(extra_mpfr_configure_flags) 1533AC_SUBST(extra_mpc_gmp_configure_flags) 1534AC_SUBST(extra_mpc_mpfr_configure_flags) 1535AC_SUBST(extra_isl_gmp_configure_flags) 1536 1537# Allow host libstdc++ to be specified for static linking with PPL. 1538AC_ARG_WITH(host-libstdcxx, 1539[AS_HELP_STRING([--with-host-libstdcxx=L], 1540 [use linker arguments L to link with libstdc++ 1541 when linking with PPL])]) 1542 1543case $with_host_libstdcxx in 1544 no|yes) 1545 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1546 ;; 1547esac 1548 1549# Libraries to use for stage1 or when not bootstrapping. 1550AC_ARG_WITH(stage1-libs, 1551[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1552[if test "$withval" = "no" -o "$withval" = "yes"; then 1553 stage1_libs= 1554 else 1555 stage1_libs=$withval 1556 fi], 1557[stage1_libs=$with_host_libstdcxx]) 1558AC_SUBST(stage1_libs) 1559 1560# Linker flags to use for stage1 or when not bootstrapping. 1561AC_ARG_WITH(stage1-ldflags, 1562[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1563[if test "$withval" = "no" -o "$withval" = "yes"; then 1564 stage1_ldflags= 1565 else 1566 stage1_ldflags=$withval 1567 fi], 1568[stage1_ldflags= 1569 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1570 # if supported. But if the user explicitly specified the libraries to use, 1571 # trust that they are doing what they want. 1572 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1573 stage1_ldflags="-static-libstdc++ -static-libgcc" 1574 fi]) 1575AC_SUBST(stage1_ldflags) 1576 1577# Libraries to use for stage2 and later builds. This defaults to the 1578# argument passed to --with-host-libstdcxx. 1579AC_ARG_WITH(boot-libs, 1580[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1581[if test "$withval" = "no" -o "$withval" = "yes"; then 1582 poststage1_libs= 1583 else 1584 poststage1_libs=$withval 1585 fi], 1586[poststage1_libs=$with_host_libstdcxx]) 1587AC_SUBST(poststage1_libs) 1588 1589# Linker flags to use for stage2 and later builds. 1590AC_ARG_WITH(boot-ldflags, 1591[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1592 [linker flags for stage2 and later])], 1593[if test "$withval" = "no" -o "$withval" = "yes"; then 1594 poststage1_ldflags= 1595 else 1596 poststage1_ldflags=$withval 1597 fi], 1598[poststage1_ldflags= 1599 # In stages 2 and 3, default to linking libstdc++ and libgcc 1600 # statically. But if the user explicitly specified the libraries to 1601 # use, trust that they are doing what they want. 1602 if test "$poststage1_libs" = ""; then 1603 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1604 fi]) 1605AC_SUBST(poststage1_ldflags) 1606 1607# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. 1608# Basic setup is inlined here, actual checks are in config/cloog.m4 and 1609# config/isl.m4 1610 1611AC_ARG_WITH(cloog, 1612 [AS_HELP_STRING( 1613 [--with-cloog=PATH], 1614 [Specify prefix directory for the installed CLooG-ISL package. 1615 Equivalent to --with-cloog-include=PATH/include 1616 plus --with-cloog-lib=PATH/lib])]) 1617AC_ARG_WITH(isl, 1618 [AS_HELP_STRING( 1619 [--with-isl=PATH], 1620 [Specify prefix directory for the installed ISL package. 1621 Equivalent to --with-isl-include=PATH/include 1622 plus --with-isl-lib=PATH/lib])]) 1623 1624# Treat either --without-cloog or --without-isl as a request to disable 1625# GRAPHITE support and skip all following checks. 1626if test "x$with_isl" != "xno" && 1627 test "x$with_cloog" != "xno"; then 1628 # Check for ISL 1629 dnl Provide configure switches and initialize islinc & isllibs 1630 dnl with user input. 1631 ISL_INIT_FLAGS 1632 dnl The versions of ISL that work for Graphite 1633 ISL_CHECK_VERSION(0,10) 1634 if test "${gcc_cv_isl}" = no ; then 1635 ISL_CHECK_VERSION(0,11) 1636 if test "${gcc_cv_isl}" = no ; then 1637 ISL_CHECK_VERSION(0,12) 1638 fi 1639 fi 1640 dnl Only execute fail-action, if ISL has been requested. 1641 ISL_IF_FAILED([ 1642 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1643 1644 if test "x$gcc_cv_isl" != "xno"; then 1645 # Check for CLOOG 1646 dnl Provide configure switches and initialize clooginc & clooglibs 1647 dnl with user input. 1648 CLOOG_INIT_FLAGS 1649 dnl The versions of CLooG that work for Graphite. 1650 CLOOG_CHECK_VERSION(0,17,0) 1651 if test "${gcc_cv_cloog}" = no ; then 1652 CLOOG_CHECK_VERSION(0,18,0) 1653 fi 1654 1655 dnl Only execute fail-action, if CLooG has been requested. 1656 CLOOG_IF_FAILED([ 1657 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) 1658 fi 1659fi 1660 1661# If either the ISL or the CLooG check failed, disable builds of in-tree 1662# variants of both 1663if test "x$with_isl" = xno || 1664 test "x$with_cloog" = xno || 1665 test "x$gcc_cv_cloog" = xno || 1666 test "x$gcc_cv_isl" = xno; then 1667 noconfigdirs="$noconfigdirs cloog isl" 1668 islinc= 1669 clooginc= 1670 clooglibs= 1671fi 1672 1673AC_SUBST(islinc) 1674AC_SUBST(clooglibs) 1675AC_SUBST(clooginc) 1676 1677 1678# Check for LTO support. 1679AC_ARG_ENABLE(lto, 1680[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1681enable_lto=$enableval, 1682enable_lto=yes; default_enable_lto=yes) 1683 1684ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1685 build_lto_plugin=yes 1686],[if test x"$default_enable_lto" = x"yes" ; then 1687 case $target in 1688 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1689 # On other non-ELF platforms, LTO has yet to be validated. 1690 *) enable_lto=no ;; 1691 esac 1692 else 1693 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1694 # It would also be nice to check the binutils support, but we don't 1695 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1696 # warn during gcc/ subconfigure; unless you're bootstrapping with 1697 # -flto it won't be needed until after installation anyway. 1698 case $target in 1699 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1700 *) if test x"$enable_lto" = x"yes"; then 1701 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1702 fi 1703 ;; 1704 esac 1705 fi 1706 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1707 # Build it unless LTO was explicitly disabled. 1708 case $target in 1709 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1710 *) ;; 1711 esac 1712]) 1713 1714 1715# By default, C and C++ are the only stage 1 languages. 1716stage1_languages=,c, 1717 1718# Target libraries that we bootstrap. 1719bootstrap_target_libs=,target-libgcc, 1720 1721# Figure out what language subdirectories are present. 1722# Look if the user specified --enable-languages="..."; if not, use 1723# the environment variable $LANGUAGES if defined. $LANGUAGES might 1724# go away some day. 1725# NB: embedded tabs in this IF block -- do not untabify 1726if test -d ${srcdir}/gcc; then 1727 if test x"${enable_languages+set}" != xset; then 1728 if test x"${LANGUAGES+set}" = xset; then 1729 enable_languages="${LANGUAGES}" 1730 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1731 else 1732 enable_languages=all 1733 fi 1734 else 1735 if test x"${enable_languages}" = x || 1736 test x"${enable_languages}" = xyes; 1737 then 1738 echo configure.in: --enable-languages needs at least one language argument 1>&2 1739 exit 1 1740 fi 1741 fi 1742 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1743 1744 # 'f95' is the old name for the 'fortran' language. We issue a warning 1745 # and make the substitution. 1746 case ,${enable_languages}, in 1747 *,f95,*) 1748 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1749 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1750 ;; 1751 esac 1752 1753 # If bootstrapping, C++ must be enabled. 1754 case ",$enable_languages,:$enable_bootstrap" in 1755 *,c++,*:*) ;; 1756 *:yes) 1757 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1758 enable_languages="${enable_languages},c++" 1759 else 1760 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1761 fi 1762 ;; 1763 esac 1764 1765 # First scan to see if an enabled language requires some other language. 1766 # We assume that a given config-lang.in will list all the language 1767 # front ends it requires, even if some are required indirectly. 1768 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1769 case ${lang_frag} in 1770 ..) ;; 1771 # The odd quoting in the next line works around 1772 # an apparent bug in bash 1.12 on linux. 1773 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1774 *) 1775 # From the config-lang.in, get $language, $lang_requires, and 1776 # $lang_requires_boot_languages. 1777 language= 1778 lang_requires= 1779 lang_requires_boot_languages= 1780 . ${lang_frag} 1781 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1782 case ,${enable_languages}, in 1783 *,$other,*) ;; 1784 *,all,*) ;; 1785 *,$language,*) 1786 echo " \`$other' language required by \`$language'; enabling" 1>&2 1787 enable_languages="${enable_languages},${other}" 1788 ;; 1789 esac 1790 done 1791 for other in ${lang_requires_boot_languages} ; do 1792 if test "$other" != "c"; then 1793 case ,${enable_stage1_languages}, in 1794 *,$other,*) ;; 1795 *,all,*) ;; 1796 *) 1797 case ,${enable_languages}, in 1798 *,$language,*) 1799 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1800 enable_stage1_languages="$enable_stage1_languages,${other}" 1801 ;; 1802 esac 1803 ;; 1804 esac 1805 fi 1806 done 1807 ;; 1808 esac 1809 done 1810 1811 new_enable_languages=,c, 1812 1813 # If LTO is enabled, add the LTO front end. 1814 extra_host_libiberty_configure_flags= 1815 if test "$enable_lto" = "yes" ; then 1816 case ,${enable_languages}, in 1817 *,lto,*) ;; 1818 *) enable_languages="${enable_languages},lto" ;; 1819 esac 1820 if test "${build_lto_plugin}" = "yes" ; then 1821 configdirs="$configdirs lto-plugin" 1822 extra_host_libiberty_configure_flags=--enable-shared 1823 fi 1824 fi 1825 AC_SUBST(extra_host_libiberty_configure_flags) 1826 1827 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1828 potential_languages=,c, 1829 1830 enabled_target_libs= 1831 disabled_target_libs= 1832 1833 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1834 case ${lang_frag} in 1835 ..) ;; 1836 # The odd quoting in the next line works around 1837 # an apparent bug in bash 1.12 on linux. 1838 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1839 *) 1840 # From the config-lang.in, get $language, $target_libs, 1841 # $lang_dirs, $boot_language, and $build_by_default 1842 language= 1843 target_libs= 1844 lang_dirs= 1845 subdir_requires= 1846 boot_language=no 1847 build_by_default=yes 1848 . ${lang_frag} 1849 if test x${language} = x; then 1850 echo "${lang_frag} doesn't set \$language." 1>&2 1851 exit 1 1852 fi 1853 1854 if test "$language" = "c++"; then 1855 boot_language=yes 1856 fi 1857 1858 add_this_lang=no 1859 case ,${enable_languages}, in 1860 *,${language},*) 1861 # Language was explicitly selected; include it 1862 # unless it is C, which is enabled by default. 1863 if test "$language" != "c"; then 1864 add_this_lang=yes 1865 fi 1866 ;; 1867 *,all,*) 1868 # 'all' was selected, select it if it is a default language 1869 if test "$language" != "c"; then 1870 add_this_lang=${build_by_default} 1871 fi 1872 ;; 1873 esac 1874 1875 # Disable languages that need other directories if these aren't available. 1876 for i in $subdir_requires; do 1877 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1878 case ,${enable_languages}, in 1879 *,${language},*) 1880 # Specifically requested language; tell them. 1881 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1882 ;; 1883 *) 1884 # Silently disable. 1885 add_this_lang=unsupported 1886 ;; 1887 esac 1888 done 1889 1890 # Disable Ada if no preexisting GNAT is available. 1891 case ,${enable_languages},:${language}:${have_gnat} in 1892 *,${language},*:ada:no) 1893 # Specifically requested language; tell them. 1894 AC_MSG_ERROR([GNAT is required to build $language]) 1895 ;; 1896 *:ada:no) 1897 # Silently disable. 1898 add_this_lang=unsupported 1899 ;; 1900 esac 1901 1902 # Disable a language that is unsupported by the target. 1903 case " $unsupported_languages " in 1904 *" $language "*) 1905 add_this_lang=unsupported 1906 ;; 1907 esac 1908 1909 case $add_this_lang in 1910 unsupported) 1911 # Remove language-dependent dirs. 1912 disabled_target_libs="$disabled_target_libs $target_libs" 1913 noconfigdirs="$noconfigdirs $lang_dirs" 1914 ;; 1915 no) 1916 # Remove language-dependent dirs; still show language as supported. 1917 disabled_target_libs="$disabled_target_libs $target_libs" 1918 noconfigdirs="$noconfigdirs $lang_dirs" 1919 potential_languages="${potential_languages}${language}," 1920 ;; 1921 yes) 1922 new_enable_languages="${new_enable_languages}${language}," 1923 potential_languages="${potential_languages}${language}," 1924 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1925 enabled_target_libs="$enabled_target_libs $target_libs" 1926 case "${boot_language}:,$enable_stage1_languages," in 1927 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 1928 # Add to (comma-separated) list of stage 1 languages. 1929 case ",$stage1_languages," in 1930 *,$language,* | ,yes, | ,all,) ;; 1931 *) stage1_languages="${stage1_languages}${language}," ;; 1932 esac 1933 # We need to bootstrap any supporting libraries. 1934 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 1935 ;; 1936 esac 1937 ;; 1938 esac 1939 ;; 1940 esac 1941 done 1942 1943 # Add target libraries which are only needed for disabled languages 1944 # to noconfigdirs. 1945 if test -n "$disabled_target_libs"; then 1946 for dir in $disabled_target_libs; do 1947 case " $enabled_target_libs " in 1948 *" ${dir} "*) ;; 1949 *) noconfigdirs="$noconfigdirs $dir" ;; 1950 esac 1951 done 1952 fi 1953 1954 AC_ARG_ENABLE(stage1-languages, 1955 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 1956 [choose additional languages to build during 1957 stage1. Mostly useful for compiler development])], 1958 [case ,${enable_stage1_languages}, in 1959 ,no,|,,) 1960 # Set it to something that will have no effect in the loop below 1961 enable_stage1_languages=c ;; 1962 ,yes,) 1963 enable_stage1_languages=`echo $new_enable_languages | \ 1964 sed -e "s/^,//" -e "s/,$//" ` ;; 1965 *,all,*) 1966 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 1967 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 1968 esac 1969 1970 # Add "good" languages from enable_stage1_languages to stage1_languages, 1971 # while "bad" languages go in missing_languages. Leave no duplicates. 1972 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 1973 case $potential_languages in 1974 *,$i,*) 1975 case $stage1_languages in 1976 *,$i,*) ;; 1977 *) stage1_languages="$stage1_languages$i," ;; 1978 esac ;; 1979 *) 1980 case $missing_languages in 1981 *,$i,*) ;; 1982 *) missing_languages="$missing_languages$i," ;; 1983 esac ;; 1984 esac 1985 done]) 1986 1987 # Remove leading/trailing commas that were added for simplicity 1988 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 1989 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 1990 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 1991 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 1992 1993 if test "x$missing_languages" != x; then 1994 AC_MSG_ERROR([ 1995The following requested languages could not be built: ${missing_languages} 1996Supported languages are: ${potential_languages}]) 1997 fi 1998 if test "x$new_enable_languages" != "x$enable_languages"; then 1999 echo The following languages will be built: ${new_enable_languages} 2000 enable_languages="$new_enable_languages" 2001 fi 2002 2003 AC_SUBST(stage1_languages) 2004 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2005fi 2006 2007# Handle --disable-<component> generically. 2008for dir in $configdirs $build_configdirs $target_configdirs ; do 2009 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2010 varname=`echo $dirname | sed -e s/+/_/g` 2011 if eval test x\${enable_${varname}} "=" xno ; then 2012 noconfigdirs="$noconfigdirs $dir" 2013 fi 2014done 2015 2016# Check for Boehm's garbage collector 2017AC_ARG_ENABLE(objc-gc, 2018[AS_HELP_STRING([--enable-objc-gc], 2019 [enable use of Boehm's garbage collector with the 2020 GNU Objective-C runtime])], 2021[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2022 *,objc,*:*:yes:*target-boehm-gc*) 2023 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2024 ;; 2025esac]) 2026 2027# Make sure we only build Boehm's garbage collector if required. 2028case ,${enable_languages},:${enable_objc_gc} in 2029 *,objc,*:yes) 2030 # Keep target-boehm-gc if requested for Objective-C. 2031 ;; 2032 *) 2033 # Otherwise remove target-boehm-gc depending on target-libjava. 2034 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2035 noconfigdirs="$noconfigdirs target-boehm-gc" 2036 fi 2037 ;; 2038esac 2039 2040# Disable libitm and libsanitizer if we're not building C++ 2041case ,${enable_languages}, in 2042 *,c++,*) ;; 2043 *) 2044 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2045 ;; 2046esac 2047 2048# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2049# $build_configdirs and $target_configdirs. 2050# If we have the source for $noconfigdirs entries, add them to $notsupp. 2051 2052notsupp="" 2053for dir in . $skipdirs $noconfigdirs ; do 2054 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2055 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2056 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2057 if test -r $srcdir/$dirname/configure ; then 2058 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2059 true 2060 else 2061 notsupp="$notsupp $dir" 2062 fi 2063 fi 2064 fi 2065 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2066 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2067 if test -r $srcdir/$dirname/configure ; then 2068 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2069 true 2070 else 2071 notsupp="$notsupp $dir" 2072 fi 2073 fi 2074 fi 2075 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2076 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2077 if test -r $srcdir/$dirname/configure ; then 2078 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2079 true 2080 else 2081 notsupp="$notsupp $dir" 2082 fi 2083 fi 2084 fi 2085done 2086 2087# Quietly strip out all directories which aren't configurable in this tree. 2088# This relies on all configurable subdirectories being autoconfiscated, which 2089# is now the case. 2090build_configdirs_all="$build_configdirs" 2091build_configdirs= 2092for i in ${build_configdirs_all} ; do 2093 j=`echo $i | sed -e s/build-//g` 2094 if test -f ${srcdir}/$j/configure ; then 2095 build_configdirs="${build_configdirs} $i" 2096 fi 2097done 2098 2099configdirs_all="$configdirs" 2100configdirs= 2101for i in ${configdirs_all} ; do 2102 if test -f ${srcdir}/$i/configure ; then 2103 configdirs="${configdirs} $i" 2104 fi 2105done 2106 2107target_configdirs_all="$target_configdirs" 2108target_configdirs= 2109for i in ${target_configdirs_all} ; do 2110 j=`echo $i | sed -e s/target-//g` 2111 if test -f ${srcdir}/$j/configure ; then 2112 target_configdirs="${target_configdirs} $i" 2113 fi 2114done 2115 2116# Produce a warning message for the subdirs we can't configure. 2117# This isn't especially interesting in the Cygnus tree, but in the individual 2118# FSF releases, it's important to let people know when their machine isn't 2119# supported by the one or two programs in a package. 2120 2121if test -n "${notsupp}" && test -z "${norecursion}" ; then 2122 # If $appdirs is non-empty, at least one of those directories must still 2123 # be configured, or we error out. (E.g., if the gas release supports a 2124 # specified target in some subdirs but not the gas subdir, we shouldn't 2125 # pretend that all is well.) 2126 if test -n "$appdirs" ; then 2127 for dir in $appdirs ; do 2128 if test -r $dir/Makefile.in ; then 2129 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2130 appdirs="" 2131 break 2132 fi 2133 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2134 appdirs="" 2135 break 2136 fi 2137 fi 2138 done 2139 if test -n "$appdirs" ; then 2140 echo "*** This configuration is not supported by this package." 1>&2 2141 exit 1 2142 fi 2143 fi 2144 # Okay, some application will build, or we don't care to check. Still 2145 # notify of subdirs not getting built. 2146 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2147 echo " ${notsupp}" 1>&2 2148 echo " (Any other directories should still work fine.)" 1>&2 2149fi 2150 2151case "$host" in 2152 *msdosdjgpp*) 2153 enable_gdbtk=no ;; 2154esac 2155 2156# To find our prefix, in gcc_cv_tool_prefix. 2157ACX_TOOL_DIRS 2158 2159copy_dirs= 2160 2161AC_ARG_WITH([build-sysroot], 2162 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2163 [use sysroot as the system root during the build])], 2164 [if test x"$withval" != x ; then 2165 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2166 fi], 2167 [SYSROOT_CFLAGS_FOR_TARGET=]) 2168AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2169 2170AC_ARG_WITH([debug-prefix-map], 2171 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2172 [map A to B, C to D ... in debug information])], 2173 [if test x"$withval" != x; then 2174 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2175 for debug_map in $withval; do 2176 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2177 done 2178 fi], 2179 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2180AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2181 2182# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2183# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2184# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2185# We want to ensure that TARGET libraries (which we know are built with 2186# gcc) are built with "-O2 -g", so include those options when setting 2187# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2188if test "x$CFLAGS_FOR_TARGET" = x; then 2189 CFLAGS_FOR_TARGET=$CFLAGS 2190 case " $CFLAGS " in 2191 *" -O2 "*) ;; 2192 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2193 esac 2194 case " $CFLAGS " in 2195 *" -g "* | *" -g3 "*) ;; 2196 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2197 esac 2198fi 2199AC_SUBST(CFLAGS_FOR_TARGET) 2200 2201if test "x$CXXFLAGS_FOR_TARGET" = x; then 2202 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2203 case " $CXXFLAGS " in 2204 *" -O2 "*) ;; 2205 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2206 esac 2207 case " $CXXFLAGS " in 2208 *" -g "* | *" -g3 "*) ;; 2209 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2210 esac 2211fi 2212AC_SUBST(CXXFLAGS_FOR_TARGET) 2213 2214AC_SUBST(LDFLAGS_FOR_TARGET) 2215 2216# Handle --with-headers=XXX. If the value is not "yes", the contents of 2217# the named directory are copied to $(tooldir)/sys-include. 2218if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2219 if test x${is_cross_compiler} = xno ; then 2220 echo 1>&2 '***' --with-headers is only supported when cross compiling 2221 exit 1 2222 fi 2223 if test x"${with_headers}" != xyes ; then 2224 x=${gcc_cv_tool_prefix} 2225 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2226 fi 2227fi 2228 2229# Handle --with-libs=XXX. If the value is not "yes", the contents of 2230# the name directories are copied to $(tooldir)/lib. Multiple directories 2231# are permitted. 2232if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2233 if test x${is_cross_compiler} = xno ; then 2234 echo 1>&2 '***' --with-libs is only supported when cross compiling 2235 exit 1 2236 fi 2237 if test x"${with_libs}" != xyes ; then 2238 # Copy the libraries in reverse order, so that files in the first named 2239 # library override files in subsequent libraries. 2240 x=${gcc_cv_tool_prefix} 2241 for l in ${with_libs}; do 2242 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2243 done 2244 fi 2245fi 2246 2247# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2248# 2249# This is done by determining whether or not the appropriate directory 2250# is available, and by checking whether or not specific configurations 2251# have requested that this magic not happen. 2252# 2253# The command line options always override the explicit settings in 2254# configure.in, and the settings in configure.in override this magic. 2255# 2256# If the default for a toolchain is to use GNU as and ld, and you don't 2257# want to do that, then you should use the --without-gnu-as and 2258# --without-gnu-ld options for the configure script. Similarly, if 2259# the default is to use the included zlib and you don't want to do that, 2260# you should use the --with-system-zlib option for the configure script. 2261 2262if test x${use_gnu_as} = x && 2263 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2264 with_gnu_as=yes 2265 extra_host_args="$extra_host_args --with-gnu-as" 2266fi 2267 2268if test x${use_gnu_ld} = x && 2269 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2270 with_gnu_ld=yes 2271 extra_host_args="$extra_host_args --with-gnu-ld" 2272fi 2273 2274if test x${use_included_zlib} = x && 2275 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2276 : 2277else 2278 with_system_zlib=yes 2279 extra_host_args="$extra_host_args --with-system-zlib" 2280fi 2281 2282# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2283# can detect this case. 2284 2285if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2286 with_newlib=yes 2287 extra_host_args="$extra_host_args --with-newlib" 2288fi 2289 2290# Handle ${copy_dirs} 2291set fnord ${copy_dirs} 2292shift 2293while test $# != 0 ; do 2294 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2295 : 2296 else 2297 echo Copying $1 to $2 2298 2299 # Use the install script to create the directory and all required 2300 # parent directories. 2301 if test -d $2 ; then 2302 : 2303 else 2304 echo >config.temp 2305 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2306 fi 2307 2308 # Copy the directory, assuming we have tar. 2309 # FIXME: Should we use B in the second tar? Not all systems support it. 2310 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2311 2312 # It is the responsibility of the user to correctly adjust all 2313 # symlinks. If somebody can figure out how to handle them correctly 2314 # here, feel free to add the code. 2315 2316 echo $1 > $2/COPIED 2317 fi 2318 shift; shift 2319done 2320 2321# Determine a target-dependent exec_prefix that the installed 2322# gcc will search in. Keep this list sorted by triplet, with 2323# the *-*-osname triplets last. 2324md_exec_prefix= 2325case "${target}" in 2326 i[[34567]]86-pc-msdosdjgpp*) 2327 md_exec_prefix=/dev/env/DJDIR/bin 2328 ;; 2329 *-*-hpux* | \ 2330 *-*-nto-qnx* | \ 2331 *-*-solaris2*) 2332 md_exec_prefix=/usr/ccs/bin 2333 ;; 2334esac 2335 2336extra_arflags_for_target= 2337extra_nmflags_for_target= 2338extra_ranlibflags_for_target= 2339target_makefile_frag=/dev/null 2340case "${target}" in 2341 spu-*-*) 2342 target_makefile_frag="config/mt-spu" 2343 ;; 2344 mips*-sde-elf* | mips*-mti-elf*) 2345 target_makefile_frag="config/mt-sde" 2346 ;; 2347 mipsisa*-*-elfoabi*) 2348 target_makefile_frag="config/mt-mips-elfoabi" 2349 ;; 2350 mips*-*-*linux* | mips*-*-gnu*) 2351 target_makefile_frag="config/mt-mips-gnu" 2352 ;; 2353 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2354 target_makefile_frag="config/mt-gnu" 2355 ;; 2356 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2357 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2358 # commands to handle both 32-bit and 64-bit objects. These flags are 2359 # harmless if we're using GNU nm or ar. 2360 extra_arflags_for_target=" -X32_64" 2361 extra_nmflags_for_target=" -B -X32_64" 2362 ;; 2363esac 2364 2365alphaieee_frag=/dev/null 2366case $target in 2367 alpha*-*-*) 2368 # This just makes sure to use the -mieee option to build target libs. 2369 # This should probably be set individually by each library. 2370 alphaieee_frag="config/mt-alphaieee" 2371 ;; 2372esac 2373 2374# If --enable-target-optspace always use -Os instead of -O2 to build 2375# the target libraries, similarly if it is not specified, use -Os 2376# on selected platforms. 2377ospace_frag=/dev/null 2378case "${enable_target_optspace}:${target}" in 2379 yes:*) 2380 ospace_frag="config/mt-ospace" 2381 ;; 2382 :d30v-*) 2383 ospace_frag="config/mt-d30v" 2384 ;; 2385 :m32r-* | :d10v-* | :fr30-*) 2386 ospace_frag="config/mt-ospace" 2387 ;; 2388 no:* | :*) 2389 ;; 2390 *) 2391 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2392 ;; 2393esac 2394 2395# Some systems (e.g., one of the i386-aix systems the gas testers are 2396# using) don't handle "\$" correctly, so don't use it here. 2397tooldir='${exec_prefix}'/${target_noncanonical} 2398build_tooldir=${tooldir} 2399 2400# Create a .gdbinit file which runs the one in srcdir 2401# and tells GDB to look there for source files. 2402 2403if test -r ${srcdir}/.gdbinit ; then 2404 case ${srcdir} in 2405 .) ;; 2406 *) cat > ./.gdbinit <<EOF 2407# ${NO_EDIT} 2408dir ${srcdir} 2409dir . 2410source ${srcdir}/.gdbinit 2411EOF 2412 ;; 2413 esac 2414fi 2415 2416# Make sure that the compiler is able to generate an executable. If it 2417# can't, we are probably in trouble. We don't care whether we can run the 2418# executable--we might be using a cross compiler--we only care whether it 2419# can be created. At this point the main configure script has set CC. 2420we_are_ok=no 2421echo "int main () { return 0; }" > conftest.c 2422${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2423if test $? = 0 ; then 2424 if test -s conftest || test -s conftest.exe ; then 2425 we_are_ok=yes 2426 fi 2427fi 2428case $we_are_ok in 2429 no) 2430 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2431 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2432 rm -f conftest* 2433 exit 1 2434 ;; 2435esac 2436rm -f conftest* 2437 2438# Decide which environment variable is used to find dynamic libraries. 2439case "${host}" in 2440 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2441 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2442 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2443 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2444esac 2445 2446# On systems where the dynamic library environment variable is PATH, 2447# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2448# built executables to PATH. 2449if test "$RPATH_ENVVAR" = PATH; then 2450 GCC_SHLIB_SUBDIR=/shlib 2451else 2452 GCC_SHLIB_SUBDIR= 2453fi 2454 2455# Record target_configdirs and the configure arguments for target and 2456# build configuration in Makefile. 2457target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2458build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2459 2460# If we are building libgomp, bootstrap it. 2461if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2462 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2463fi 2464 2465# If we are building libsanitizer, bootstrap it. 2466if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then 2467 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2468fi 2469 2470# Determine whether gdb needs tk/tcl or not. 2471# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2472# and in that case we want gdb to be built without tk. Ugh! 2473# In fact I believe gdb is the *only* package directly dependent on tk, 2474# so we should be able to put the 'maybe's in unconditionally and 2475# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2476# 100% sure that that's safe though. 2477 2478gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2479case "$enable_gdbtk" in 2480 no) 2481 GDB_TK="" ;; 2482 yes) 2483 GDB_TK="${gdb_tk}" ;; 2484 *) 2485 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2486 # distro. Eventually someone will fix this and move Insight, nee 2487 # gdbtk to a separate directory. 2488 if test -d ${srcdir}/gdb/gdbtk ; then 2489 GDB_TK="${gdb_tk}" 2490 else 2491 GDB_TK="" 2492 fi 2493 ;; 2494esac 2495CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2496INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2497 2498# Strip out unwanted targets. 2499 2500# While at that, we remove Makefiles if we were started for recursive 2501# configuration, so that the top-level Makefile reconfigures them, 2502# like we used to do when configure itself was recursive. 2503 2504# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2505# but now we're fixing up the Makefile ourselves with the additional 2506# commands passed to AC_CONFIG_FILES. Use separate variables 2507# extrasub-{build,host,target} not because there is any reason to split 2508# the substitutions up that way, but only to remain below the limit of 2509# 99 commands in a script, for HP-UX sed. 2510# Do not nest @if/@endif pairs, because configure will not warn you at all. 2511 2512case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2513 yes:yes:*\ gold\ *:*,c++,*) ;; 2514 yes:yes:*\ gold\ *:*) 2515 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2516 ;; 2517esac 2518 2519# Adjust the toplevel makefile according to whether bootstrap was selected. 2520case $enable_bootstrap in 2521 yes) 2522 bootstrap_suffix=bootstrap 2523 BUILD_CONFIG=bootstrap-debug 2524 ;; 2525 no) 2526 bootstrap_suffix=no-bootstrap 2527 BUILD_CONFIG= 2528 ;; 2529esac 2530 2531AC_MSG_CHECKING(for default BUILD_CONFIG) 2532 2533AC_ARG_WITH([build-config], 2534 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2535 [use config/NAME.mk build configuration])], 2536 [case $with_build_config in 2537 yes) with_build_config= ;; 2538 no) with_build_config= BUILD_CONFIG= ;; 2539 esac]) 2540 2541if test "x${with_build_config}" != x; then 2542 BUILD_CONFIG=$with_build_config 2543else 2544 case $BUILD_CONFIG in 2545 bootstrap-debug) 2546 if echo "int f (void) { return 0; }" > conftest.c && 2547 ${CC} -c conftest.c && 2548 mv conftest.o conftest.o.g0 && 2549 ${CC} -c -g conftest.c && 2550 mv conftest.o conftest.o.g && 2551 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2552 : 2553 else 2554 BUILD_CONFIG= 2555 fi 2556 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2557 ;; 2558 esac 2559fi 2560AC_MSG_RESULT($BUILD_CONFIG) 2561AC_SUBST(BUILD_CONFIG) 2562 2563extrasub_build= 2564for module in ${build_configdirs} ; do 2565 if test -z "${no_recursion}" \ 2566 && test -f ${build_subdir}/${module}/Makefile; then 2567 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2568 rm -f ${build_subdir}/${module}/Makefile 2569 fi 2570 extrasub_build="$extrasub_build 2571/^@if build-$module\$/d 2572/^@endif build-$module\$/d 2573/^@if build-$module-$bootstrap_suffix\$/d 2574/^@endif build-$module-$bootstrap_suffix\$/d" 2575done 2576extrasub_host= 2577for module in ${configdirs} ; do 2578 if test -z "${no_recursion}"; then 2579 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2580 if test -f ${file}; then 2581 echo 1>&2 "*** removing ${file} to force reconfigure" 2582 rm -f ${file} 2583 fi 2584 done 2585 fi 2586 extrasub_host="$extrasub_host 2587/^@if $module\$/d 2588/^@endif $module\$/d 2589/^@if $module-$bootstrap_suffix\$/d 2590/^@endif $module-$bootstrap_suffix\$/d" 2591done 2592extrasub_target= 2593for module in ${target_configdirs} ; do 2594 if test -z "${no_recursion}" \ 2595 && test -f ${target_subdir}/${module}/Makefile; then 2596 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2597 rm -f ${target_subdir}/${module}/Makefile 2598 fi 2599 2600 # We only bootstrap target libraries listed in bootstrap_target_libs. 2601 case $bootstrap_target_libs in 2602 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2603 *) target_bootstrap_suffix=no-bootstrap ;; 2604 esac 2605 2606 extrasub_target="$extrasub_target 2607/^@if target-$module\$/d 2608/^@endif target-$module\$/d 2609/^@if target-$module-$target_bootstrap_suffix\$/d 2610/^@endif target-$module-$target_bootstrap_suffix\$/d" 2611done 2612 2613# Do the final fixup along with target modules. 2614extrasub_target="$extrasub_target 2615/^@if /,/^@endif /d" 2616 2617# Create the serialization dependencies. This uses a temporary file. 2618 2619AC_ARG_ENABLE([serial-configure], 2620[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2621 [force sequential configuration of 2622 sub-packages for the host, target or build 2623 machine, or all sub-packages])]) 2624 2625case ${enable_serial_configure} in 2626 yes) 2627 enable_serial_build_configure=yes 2628 enable_serial_host_configure=yes 2629 enable_serial_target_configure=yes 2630 ;; 2631esac 2632 2633# These force 'configure's to be done one at a time, to avoid problems 2634# with contention over a shared config.cache. 2635rm -f serdep.tmp 2636echo '# serdep.tmp' > serdep.tmp 2637olditem= 2638test "x${enable_serial_build_configure}" = xyes && 2639for item in ${build_configdirs} ; do 2640 case ${olditem} in 2641 "") ;; 2642 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2643 esac 2644 olditem=${item} 2645done 2646olditem= 2647test "x${enable_serial_host_configure}" = xyes && 2648for item in ${configdirs} ; do 2649 case ${olditem} in 2650 "") ;; 2651 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2652 esac 2653 olditem=${item} 2654done 2655olditem= 2656test "x${enable_serial_target_configure}" = xyes && 2657for item in ${target_configdirs} ; do 2658 case ${olditem} in 2659 "") ;; 2660 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2661 esac 2662 olditem=${item} 2663done 2664serialization_dependencies=serdep.tmp 2665AC_SUBST_FILE(serialization_dependencies) 2666 2667# Base args. Strip norecursion, cache-file, srcdir, host, build, 2668# target, nonopt, and variable assignments. These are the ones we 2669# might not want to pass down to subconfigures. The exception being 2670# --cache-file=/dev/null, which is used to turn off the use of cache 2671# files altogether, and which should be passed on to subconfigures. 2672# Also strip program-prefix, program-suffix, and program-transform-name, 2673# so that we can pass down a consistent program-transform-name. 2674baseargs= 2675tbaseargs= 2676keep_next=no 2677skip_next=no 2678eval "set -- $ac_configure_args" 2679for ac_arg 2680do 2681 if test X"$skip_next" = X"yes"; then 2682 skip_next=no 2683 continue 2684 fi 2685 if test X"$keep_next" = X"yes"; then 2686 case $ac_arg in 2687 *\'*) 2688 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2689 esac 2690 baseargs="$baseargs '$ac_arg'" 2691 tbaseargs="$tbaseargs '$ac_arg'" 2692 keep_next=no 2693 continue 2694 fi 2695 2696 # Handle separated arguments. Based on the logic generated by 2697 # autoconf 2.59. 2698 case $ac_arg in 2699 *=* | --config-cache | -C | -disable-* | --disable-* \ 2700 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2701 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2702 | -with-* | --with-* | -without-* | --without-* | --x) 2703 separate_arg=no 2704 ;; 2705 -*) 2706 separate_arg=yes 2707 ;; 2708 *) 2709 separate_arg=no 2710 ;; 2711 esac 2712 2713 skip_targ=no 2714 case $ac_arg in 2715changequote(,) 2716 --with-* | --without-*) 2717 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2718 2719 case $libopt in 2720 *[-_]include) 2721 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2722 ;; 2723 *[-_]lib) 2724 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2725 ;; 2726 *) 2727 lib=$libopt 2728 ;; 2729 esac 2730changequote([,]) 2731 2732 case $lib in 2733 mpc | mpfr | gmp | cloog) 2734 # If we're processing --with-$lib, --with-$lib-include or 2735 # --with-$lib-lib, for one of the libs above, and target is 2736 # different from host, don't pass the current argument to any 2737 # target library's configure. 2738 if test x$is_cross_compiler = xyes; then 2739 skip_targ=yes 2740 fi 2741 ;; 2742 esac 2743 ;; 2744 esac 2745 2746 case "$ac_arg" in 2747 --cache-file=/dev/null | \ 2748 -cache-file=/dev/null ) 2749 # Handled here to avoid the test to skip args below. 2750 baseargs="$baseargs '$ac_arg'" 2751 tbaseargs="$tbaseargs '$ac_arg'" 2752 # Assert: $separate_arg should always be no. 2753 keep_next=$separate_arg 2754 ;; 2755 --no*) 2756 continue 2757 ;; 2758 --c* | \ 2759 --sr* | \ 2760 --ho* | \ 2761 --bu* | \ 2762 --t* | \ 2763 --program-* | \ 2764 -cache_file* | \ 2765 -srcdir* | \ 2766 -host* | \ 2767 -build* | \ 2768 -target* | \ 2769 -program-prefix* | \ 2770 -program-suffix* | \ 2771 -program-transform-name* ) 2772 skip_next=$separate_arg 2773 continue 2774 ;; 2775 -*) 2776 # An option. Add it. 2777 case $ac_arg in 2778 *\'*) 2779 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2780 esac 2781 baseargs="$baseargs '$ac_arg'" 2782 if test X"$skip_targ" = Xno; then 2783 tbaseargs="$tbaseargs '$ac_arg'" 2784 fi 2785 keep_next=$separate_arg 2786 ;; 2787 *) 2788 # Either a variable assignment, or a nonopt (triplet). Don't 2789 # pass it down; let the Makefile handle this. 2790 continue 2791 ;; 2792 esac 2793done 2794# Remove the initial space we just introduced and, as these will be 2795# expanded by make, quote '$'. 2796baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2797 2798# Add in --program-transform-name, after --program-prefix and 2799# --program-suffix have been applied to it. Autoconf has already 2800# doubled dollar signs and backslashes in program_transform_name; we want 2801# the backslashes un-doubled, and then the entire thing wrapped in single 2802# quotes, because this will be expanded first by make and then by the shell. 2803# Also, because we want to override the logic in subdir configure scripts to 2804# choose program_transform_name, replace any s,x,x, with s,y,y,. 2805sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2806${program_transform_name} 2807EOF_SED 2808gcc_transform_name=`cat conftestsed.out` 2809rm -f conftestsed.out 2810baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2811tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 2812if test "$silent" = yes; then 2813 baseargs="$baseargs --silent" 2814 tbaseargs="$tbaseargs --silent" 2815fi 2816baseargs="$baseargs --disable-option-checking" 2817tbaseargs="$tbaseargs --disable-option-checking" 2818 2819# Record and document user additions to sub configure arguments. 2820AC_ARG_VAR([build_configargs], 2821 [additional configure arguments for build directories]) 2822AC_ARG_VAR([host_configargs], 2823 [additional configure arguments for host directories]) 2824AC_ARG_VAR([target_configargs], 2825 [additional configure arguments for target directories]) 2826 2827# For the build-side libraries, we just need to pretend we're native, 2828# and not use the same cache file. Multilibs are neither needed nor 2829# desired. 2830build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}" 2831 2832# For host modules, accept cache file option, or specification as blank. 2833case "${cache_file}" in 2834"") # empty 2835 cache_file_option="" ;; 2836/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 2837 cache_file_option="--cache-file=${cache_file}" ;; 2838*) # relative path 2839 cache_file_option="--cache-file=../${cache_file}" ;; 2840esac 2841 2842# Host dirs don't like to share a cache file either, horribly enough. 2843# This seems to be due to autoconf 2.5x stupidity. 2844host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 2845 2846target_configargs="$target_configargs ${tbaseargs}" 2847 2848# Passing a --with-cross-host argument lets the target libraries know 2849# whether they are being built with a cross-compiler or being built 2850# native. However, it would be better to use other mechanisms to make the 2851# sorts of decisions they want to make on this basis. Please consider 2852# this option to be deprecated. FIXME. 2853if test x${is_cross_compiler} = xyes ; then 2854 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 2855fi 2856 2857# Default to --enable-multilib. 2858if test x${enable_multilib} = x ; then 2859 target_configargs="--enable-multilib ${target_configargs}" 2860fi 2861 2862# Pass --with-newlib if appropriate. Note that target_configdirs has 2863# changed from the earlier setting of with_newlib. 2864if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 2865 target_configargs="--with-newlib ${target_configargs}" 2866fi 2867 2868# Different target subdirs use different values of certain variables 2869# (notably CXX). Worse, multilibs use *lots* of different values. 2870# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 2871# it doesn't automatically accept command-line overrides of them. 2872# This means it's not safe for target subdirs to share a cache file, 2873# which is disgusting, but there you have it. Hopefully this can be 2874# fixed in future. It's still worthwhile to use a cache file for each 2875# directory. I think. 2876 2877# Pass the appropriate --build, --host, --target and --cache-file arguments. 2878# We need to pass --target, as newer autoconf's requires consistency 2879# for target_alias and gcc doesn't manage it consistently. 2880target_configargs="--cache-file=./config.cache ${target_configargs}" 2881 2882FLAGS_FOR_TARGET= 2883case " $target_configdirs " in 2884 *" newlib "*) 2885 case " $target_configargs " in 2886 *" --with-newlib "*) 2887 case "$target" in 2888 *-cygwin*) 2889 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 2890 ;; 2891 esac 2892 2893 # If we're not building GCC, don't discard standard headers. 2894 if test -d ${srcdir}/gcc; then 2895 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 2896 2897 if test "${build}" != "${host}"; then 2898 # On Canadian crosses, CC_FOR_TARGET will have already been set 2899 # by `configure', so we won't have an opportunity to add -Bgcc/ 2900 # to it. This is right: we don't want to search that directory 2901 # for binaries, but we want the header files in there, so add 2902 # them explicitly. 2903 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 2904 2905 # Someone might think of using the pre-installed headers on 2906 # Canadian crosses, in case the installed compiler is not fully 2907 # compatible with the compiler being built. In this case, it 2908 # would be better to flag an error than risking having 2909 # incompatible object files being constructed. We can't 2910 # guarantee that an error will be flagged, but let's hope the 2911 # compiler will do it, when presented with incompatible header 2912 # files. 2913 fi 2914 fi 2915 2916 case "${target}-${is_cross_compiler}" in 2917 i[[3456789]]86-*-linux*-no) 2918 # Here host == target, so we don't need to build gcc, 2919 # so we don't want to discard standard headers. 2920 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 2921 ;; 2922 *) 2923 # If we're building newlib, use its generic headers last, but search 2924 # for any libc-related directories first (so make it the last -B 2925 # switch). 2926 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 2927 2928 # If we're building libgloss, find the startup file, simulator library 2929 # and linker script. 2930 case " $target_configdirs " in 2931 *" libgloss "*) 2932 # Look for startup file, simulator library and maybe linker script. 2933 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 2934 # Look for libnosys.a in case the target needs it. 2935 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 2936 # Most targets have the linker script in the source directory. 2937 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 2938 ;; 2939 esac 2940 ;; 2941 esac 2942 ;; 2943 esac 2944 ;; 2945esac 2946 2947case "$target" in 2948 x86_64-*mingw* | *-w64-mingw*) 2949 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 2950 # however, use a symlink named 'mingw' in ${prefix} . 2951 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 2952 ;; 2953 *-mingw*) 2954 # MinGW can't be handled as Cygwin above since it does not use newlib. 2955 FLAGS_FOR_TARGET=$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' 2956 ;; 2957esac 2958 2959# Allow the user to override the flags for 2960# our build compiler if desired. 2961if test x"${build}" = x"${host}" ; then 2962 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 2963 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 2964 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 2965fi 2966 2967# On Canadian crosses, we'll be searching the right directories for 2968# the previously-installed cross compiler, so don't bother to add 2969# flags for directories within the install tree of the compiler 2970# being built; programs in there won't even run. 2971if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 2972 # Search for pre-installed headers if nothing else fits. 2973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 2974fi 2975 2976if test "x${use_gnu_ld}" = x && 2977 echo " ${configdirs} " | grep " ld " > /dev/null ; then 2978 # Arrange for us to find uninstalled linker scripts. 2979 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 2980fi 2981 2982# Search for other target-specific linker scripts and such. 2983case "${target}" in 2984 mep*) 2985 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 2986 ;; 2987esac 2988 2989# Makefile fragments. 2990for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 2991do 2992 eval fragval=\$$frag 2993 if test $fragval != /dev/null; then 2994 eval $frag=${srcdir}/$fragval 2995 fi 2996done 2997AC_SUBST_FILE(host_makefile_frag) 2998AC_SUBST_FILE(target_makefile_frag) 2999AC_SUBST_FILE(alphaieee_frag) 3000AC_SUBST_FILE(ospace_frag) 3001 3002# Miscellanea: directories, flags, etc. 3003AC_SUBST(RPATH_ENVVAR) 3004AC_SUBST(GCC_SHLIB_SUBDIR) 3005AC_SUBST(tooldir) 3006AC_SUBST(build_tooldir) 3007AC_SUBST(CONFIGURE_GDB_TK) 3008AC_SUBST(GDB_TK) 3009AC_SUBST(INSTALL_GDB_TK) 3010 3011# Build module lists & subconfigure args. 3012AC_SUBST(build_configargs) 3013AC_SUBST(build_configdirs) 3014 3015# Host module lists & subconfigure args. 3016AC_SUBST(host_configargs) 3017AC_SUBST(configdirs) 3018AC_SUBST(target_configdirs) 3019 3020# Target module lists & subconfigure args. 3021AC_SUBST(target_configargs) 3022 3023 3024# Build tools. 3025AC_SUBST(AR_FOR_BUILD) 3026AC_SUBST(AS_FOR_BUILD) 3027AC_SUBST(CC_FOR_BUILD) 3028AC_SUBST(CFLAGS_FOR_BUILD) 3029AC_SUBST(CXXFLAGS_FOR_BUILD) 3030AC_SUBST(CXX_FOR_BUILD) 3031AC_SUBST(DLLTOOL_FOR_BUILD) 3032AC_SUBST(GCJ_FOR_BUILD) 3033AC_SUBST(GFORTRAN_FOR_BUILD) 3034AC_SUBST(GOC_FOR_BUILD) 3035AC_SUBST(LDFLAGS_FOR_BUILD) 3036AC_SUBST(LD_FOR_BUILD) 3037AC_SUBST(NM_FOR_BUILD) 3038AC_SUBST(RANLIB_FOR_BUILD) 3039AC_SUBST(WINDMC_FOR_BUILD) 3040AC_SUBST(WINDRES_FOR_BUILD) 3041 3042# Generate default definitions for YACC, M4, LEX and other programs that run 3043# on the build machine. These are used if the Makefile can't locate these 3044# programs in objdir. 3045MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3046 3047AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3048case " $build_configdirs " in 3049 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3050esac 3051 3052AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3053case " $build_configdirs " in 3054 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3055esac 3056 3057AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3058case " $build_configdirs " in 3059 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3060esac 3061 3062AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3063case " $build_configdirs " in 3064 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3065 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3066esac 3067 3068AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3069case " $build_configdirs " in 3070 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3071esac 3072 3073AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3074case " $build_configdirs " in 3075 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3076 *) 3077changequote(,) 3078 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3079 # higher, else we use the "missing" dummy. 3080 if ${MAKEINFO} --version \ 3081 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3082 : 3083 else 3084 MAKEINFO="$MISSING makeinfo" 3085 fi 3086 ;; 3087changequote([,]) 3088esac 3089 3090# FIXME: expect and dejagnu may become build tools? 3091 3092AC_CHECK_PROGS(EXPECT, expect, expect) 3093case " $configdirs " in 3094 *" expect "*) 3095 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3096 ;; 3097esac 3098 3099AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3100case " $configdirs " in 3101 *" dejagnu "*) 3102 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3103 ;; 3104esac 3105 3106 3107# Host tools. 3108NCN_STRICT_CHECK_TOOLS(AR, ar) 3109NCN_STRICT_CHECK_TOOLS(AS, as) 3110NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3111NCN_STRICT_CHECK_TOOLS(LD, ld) 3112NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3113NCN_STRICT_CHECK_TOOLS(NM, nm) 3114NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3115NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3116NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3117NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3118NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3119NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3120NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3121AC_SUBST(CC) 3122AC_SUBST(CXX) 3123AC_SUBST(CFLAGS) 3124AC_SUBST(CXXFLAGS) 3125 3126# Target tools. 3127AC_ARG_WITH([build-time-tools], 3128 [AS_HELP_STRING([--with-build-time-tools=PATH], 3129 [use given path to find target tools during the build])], 3130 [case x"$withval" in 3131 x/*) ;; 3132 *) 3133 with_build_time_tools= 3134 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3135 ;; 3136 esac], 3137 [with_build_time_tools=]) 3138 3139NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3140NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3141NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3142NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3143NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3144NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3145 3146ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3147ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3148ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3149ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3150ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3151ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3152ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3153ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3154ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3155ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3156ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3157ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3158 3159RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3160 3161GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3162GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3163GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3164dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3165GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3166 [gcc/xg++ -B$$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], 3167 c++) 3168GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3169 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], 3170 c++) 3171GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3172GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3173GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3174 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3175GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3176 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3177GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3178 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3179GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3180GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3181GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3182GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3183GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3184GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3185GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3186GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3187GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3188 3189AC_SUBST(FLAGS_FOR_TARGET) 3190AC_SUBST(RAW_CXX_FOR_TARGET) 3191 3192# Certain tools may need extra flags. 3193AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3194RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3195NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3196 3197# When building target libraries, except in a Canadian cross, we use 3198# the same toolchain as the compiler we just built. 3199COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3200COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3201COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3202if test $host = $build; then 3203 case " $configdirs " in 3204 *" gcc "*) 3205 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3206 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3207 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3208 ;; 3209 esac 3210fi 3211 3212AC_SUBST(COMPILER_AS_FOR_TARGET) 3213AC_SUBST(COMPILER_LD_FOR_TARGET) 3214AC_SUBST(COMPILER_NM_FOR_TARGET) 3215 3216AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3217AC_ARG_ENABLE(maintainer-mode, 3218[AS_HELP_STRING([--enable-maintainer-mode], 3219 [enable make rules and dependencies not useful 3220 (and sometimes confusing) to the casual installer])], 3221 USE_MAINTAINER_MODE=$enableval, 3222 USE_MAINTAINER_MODE=no) 3223AC_MSG_RESULT($USE_MAINTAINER_MODE) 3224AC_SUBST(MAINTAINER_MODE_TRUE) 3225AC_SUBST(MAINTAINER_MODE_FALSE) 3226if test "$USE_MAINTAINER_MODE" = yes; then 3227 MAINTAINER_MODE_TRUE= 3228 MAINTAINER_MODE_FALSE='#' 3229else 3230 MAINTAINER_MODE_TRUE='#' 3231 MAINTAINER_MODE_FALSE= 3232fi 3233MAINT=$MAINTAINER_MODE_TRUE 3234AC_SUBST(MAINT)dnl 3235 3236# --------------------- 3237# GCC bootstrap support 3238# --------------------- 3239 3240# Stage specific cflags for build. 3241stage1_cflags="-g" 3242case $build in 3243 vax-*-*) 3244 case ${GCC} in 3245 yes) stage1_cflags="-g -Wa,-J" ;; 3246 *) stage1_cflags="-g -J" ;; 3247 esac ;; 3248esac 3249 3250AC_SUBST(stage1_cflags) 3251 3252# Enable --enable-checking in stage1 of the compiler. 3253AC_ARG_ENABLE(stage1-checking, 3254[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3255 [choose additional checking for stage1 of the compiler])], 3256[stage1_checking=--enable-checking=${enable_stage1_checking}], 3257[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3258 stage1_checking=--enable-checking=yes,types 3259else 3260 stage1_checking=--enable-checking=$enable_checking,types 3261fi]) 3262AC_SUBST(stage1_checking) 3263 3264# Enable -Werror in bootstrap stage2 and later. 3265AC_ARG_ENABLE(werror, 3266[AS_HELP_STRING([--enable-werror], 3267 [enable -Werror in bootstrap stage2 and later])], [], 3268[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3269 enable_werror=yes 3270else 3271 enable_werror=no 3272fi]) 3273case ${enable_werror} in 3274 yes) stage2_werror_flag="--enable-werror-always" ;; 3275 *) stage2_werror_flag="" ;; 3276esac 3277AC_SUBST(stage2_werror_flag) 3278 3279# Specify what files to not compare during bootstrap. 3280 3281compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3282case "$target" in 3283 hppa*64*-*-hpux*) ;; 3284 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3285 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3286esac 3287AC_SUBST(compare_exclusions) 3288 3289AC_CONFIG_FILES([Makefile], 3290 [sed "$extrasub_build" Makefile | 3291 sed "$extrasub_host" | 3292 sed "$extrasub_target" > mf$$ 3293 mv -f mf$$ Makefile], 3294 [extrasub_build="$extrasub_build" 3295 extrasub_host="$extrasub_host" 3296 extrasub_target="$extrasub_target"]) 3297AC_OUTPUT 3298