configure.ac revision 1.1
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="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-libcilkrts \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libssp \ 166 target-libquadmath \ 167 target-libgfortran \ 168 target-boehm-gc \ 169 ${libgcj} \ 170 target-libobjc \ 171 target-libada \ 172 target-libgo" 173 174# these tools are built using the target libraries, and are intended to 175# run only in the target environment 176# 177# note: any program that *uses* libraries that are in the "target_libraries" 178# list belongs in this list. 179# 180target_tools="target-rda" 181 182################################################################################ 183 184## All tools belong in one of the four categories, and are assigned above 185## We assign ${configdirs} this way to remove all embedded newlines. This 186## is important because configure will choke if they ever get through. 187## ${configdirs} is directories we build using the host tools. 188## ${target_configdirs} is directories we build using the target tools. 189configdirs=`echo ${host_libs} ${host_tools}` 190target_configdirs=`echo ${target_libraries} ${target_tools}` 191build_configdirs=`echo ${build_libs} ${build_tools}` 192 193m4_divert_text([PARSE_ARGS], 194[case $srcdir in 195 *" "*) 196m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 197 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 198m4_popdef([AS_MESSAGE_LOG_FD])dnl 199 ;; 200esac 201ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 202]) 203 204################################################################################ 205 206srcname="gnu development package" 207 208# This gets set non-empty for some net releases of packages. 209appdirs="" 210 211# Define is_cross_compiler to save on calls to 'test'. 212is_cross_compiler= 213if test x"${host}" = x"${target}" ; then 214 is_cross_compiler=no 215else 216 is_cross_compiler=yes 217fi 218 219# Find the build and target subdir names. 220GCC_TOPLEV_SUBDIRS 221# Be sure to cover against remnants of an in-tree build. 222if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 224Use a pristine source tree when building in a separate tree]) 225fi 226 227# Skipdirs are removed silently. 228skipdirs= 229# Noconfigdirs are removed loudly. 230noconfigdirs="" 231 232use_gnu_ld= 233# Make sure we don't let GNU ld be added if we didn't want it. 234if test x$with_gnu_ld = xno ; then 235 use_gnu_ld=no 236 noconfigdirs="$noconfigdirs ld gold" 237fi 238 239use_gnu_as= 240# Make sure we don't let GNU as be added if we didn't want it. 241if test x$with_gnu_as = xno ; then 242 use_gnu_as=no 243 noconfigdirs="$noconfigdirs gas" 244fi 245 246use_included_zlib= 247# Make sure we don't let ZLIB be added if we didn't want it. 248if test x$with_system_zlib = xyes ; then 249 use_included_zlib=no 250 noconfigdirs="$noconfigdirs zlib" 251fi 252 253# some tools are so dependent upon X11 that if we're not building with X, 254# it's not even worth trying to configure, much less build, that tool. 255 256case ${with_x} in 257 yes | "") ;; # the default value for this tree is that X11 is available 258 no) 259 skipdirs="${skipdirs} tk itcl libgui" 260 # We won't be able to build gdbtk without X. 261 enable_gdbtk=no 262 ;; 263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 264esac 265 266# Some are only suitable for cross toolchains. 267# Remove these if host=target. 268cross_only="target-libgloss target-newlib target-opcodes" 269 270case $is_cross_compiler in 271 no) skipdirs="${skipdirs} ${cross_only}" ;; 272esac 273 274# If both --with-headers and --with-libs are specified, default to 275# --without-newlib. 276if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 278 if test x"${with_newlib}" = x ; then 279 with_newlib=no 280 fi 281fi 282 283# Recognize --with-newlib/--without-newlib. 284case ${with_newlib} in 285 no) skipdirs="${skipdirs} target-newlib" ;; 286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 287esac 288 289# Handle --enable-gold, --enable-ld. 290# --disable-gold [--enable-ld] 291# Build only ld. Default option. 292# --enable-gold [--enable-ld] 293# Build both gold and ld. Install gold as "ld.gold", install ld 294# as "ld.bfd" and "ld". 295# --enable-gold=default [--enable-ld] 296# Build both gold and ld. Install gold as "ld.gold" and "ld", 297# install ld as "ld.bfd". 298# --enable-gold[=default] --disable-ld 299# Build only gold, which is then installed as both "ld.gold" and "ld". 300# --enable-gold --enable-ld=default 301# Build both gold (installed as "ld.gold") and ld (installed as "ld" 302# and ld.bfd). 303# In other words, ld is default 304# --enable-gold=default --enable-ld=default 305# Error. 306 307default_ld= 308AC_ARG_ENABLE(gold, 309[AS_HELP_STRING([[--enable-gold[=ARG]]], 310 [build gold @<:@ARG={default,yes,no}@:>@])], 311ENABLE_GOLD=$enableval, 312ENABLE_GOLD=no) 313case "${ENABLE_GOLD}" in 314 yes|default) 315 # Check for ELF target. 316 is_elf=no 317 case "${target}" in 318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 321 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 322 case "${target}" in 323 *-*-linux*aout* | *-*-linux*oldld*) 324 ;; 325 *) 326 is_elf=yes 327 ;; 328 esac 329 esac 330 331 if test "$is_elf" = "yes"; then 332 # Check for target supported by gold. 333 case "${target}" in 334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*) 335 configdirs="$configdirs gold" 336 if test x${ENABLE_GOLD} = xdefault; then 337 default_ld=gold 338 fi 339 ENABLE_GOLD=yes 340 ;; 341 esac 342 fi 343 ;; 344 no) 345 ;; 346 *) 347 AC_MSG_ERROR([invalid --enable-gold argument]) 348 ;; 349esac 350 351AC_ARG_ENABLE(ld, 352[AS_HELP_STRING([[--enable-ld[=ARG]]], 353 [build ld @<:@ARG={default,yes,no}@:>@])], 354ENABLE_LD=$enableval, 355ENABLE_LD=yes) 356 357case "${ENABLE_LD}" in 358 default) 359 if test x${default_ld} != x; then 360 AC_MSG_ERROR([either gold or ld can be the default ld]) 361 fi 362 ;; 363 yes) 364 ;; 365 no) 366 if test x${ENABLE_GOLD} != xyes; then 367 AC_MSG_WARN([neither ld nor gold are enabled]) 368 fi 369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 370 ;; 371 *) 372 AC_MSG_ERROR([invalid --enable-ld argument]) 373 ;; 374esac 375 376# Configure extra directories which are host specific 377 378case "${host}" in 379 *-cygwin*) 380 configdirs="$configdirs libtermcap" ;; 381esac 382 383# A target can indicate whether a language isn't supported for some reason. 384# Only spaces may be used in this macro; not newlines or tabs. 385unsupported_languages= 386 387# Remove more programs from consideration, based on the host or 388# target this usually means that a port of the program doesn't 389# exist yet. 390 391case "${host}" in 392 i[[3456789]]86-*-msdosdjgpp*) 393 noconfigdirs="$noconfigdirs tcl tk itcl" 394 ;; 395esac 396 397 398AC_ARG_ENABLE(libquadmath, 399AS_HELP_STRING([--disable-libquadmath], 400 [do not build libquadmath directory]), 401ENABLE_LIBQUADMATH=$enableval, 402ENABLE_LIBQUADMATH=yes) 403if test "${ENABLE_LIBQUADMATH}" = "no" ; then 404 noconfigdirs="$noconfigdirs target-libquadmath" 405fi 406 407 408AC_ARG_ENABLE(libquadmath-support, 409AS_HELP_STRING([--disable-libquadmath-support], 410 [disable libquadmath support for Fortran]), 411ENABLE_LIBQUADMATH_SUPPORT=$enableval, 412ENABLE_LIBQUADMATH_SUPPORT=yes) 413enable_libquadmath_support= 414if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 415 enable_libquadmath_support=no 416fi 417 418 419AC_ARG_ENABLE(libada, 420[AS_HELP_STRING([--enable-libada], [build libada directory])], 421ENABLE_LIBADA=$enableval, 422ENABLE_LIBADA=yes) 423if test "${ENABLE_LIBADA}" != "yes" ; then 424 noconfigdirs="$noconfigdirs gnattools" 425fi 426 427AC_ARG_ENABLE(libssp, 428[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 429ENABLE_LIBSSP=$enableval, 430ENABLE_LIBSSP=yes) 431 432AC_ARG_ENABLE(libstdcxx, 433AS_HELP_STRING([--disable-libstdcxx], 434 [do not build libstdc++-v3 directory]), 435ENABLE_LIBSTDCXX=$enableval, 436ENABLE_LIBSTDCXX=default) 437[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 438 noconfigdirs="$noconfigdirs libstdc++-v3" 439fi] 440 441# Save it here so that, even in case of --enable-libgcj, if the Java 442# front-end isn't enabled, we still get libgcj disabled. 443libgcj_saved=$libgcj 444case $enable_libgcj in 445yes) 446 # If we reset it here, it won't get added to noconfigdirs in the 447 # target-specific build rules, so it will be forcibly enabled 448 # (unless the Java language itself isn't enabled). 449 libgcj= 450 ;; 451no) 452 # Make sure we get it printed in the list of not supported target libs. 453 # Don't disable libffi, though, other languages use it. 454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 455 # Clear libgcj_saved so that even if java is enabled libffi won't be 456 # built. 457 libgcj_saved= 458 ;; 459esac 460 461AC_ARG_ENABLE(static-libjava, 462[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 463 [build static libjava @<:@default=no@:>@])], 464ENABLE_STATIC_LIBJAVA=$enableval, 465ENABLE_STATIC_LIBJAVA=no) 466enable_static_libjava= 467if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 468 enable_static_libjava=yes 469fi 470 471if test x$enable_static_libjava != xyes ; then 472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 473fi 474AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 475 476# Disable libgomp on non POSIX hosted systems. 477if test x$enable_libgomp = x ; then 478 # Enable libgomp by default on hosted POSIX systems. 479 case "${target}" in 480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 481 ;; 482 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 483 ;; 484 *-*-solaris2* | *-*-hpux11*) 485 ;; 486 *-*-darwin* | *-*-aix*) 487 ;; 488 *) 489 noconfigdirs="$noconfigdirs target-libgomp" 490 ;; 491 esac 492fi 493 494# Disable libatomic on unsupported systems. 495if test -d ${srcdir}/libatomic; then 496 if test x$enable_libatomic = x; then 497 AC_MSG_CHECKING([for libatomic support]) 498 if (srcdir=${srcdir}/libatomic; \ 499 . ${srcdir}/configure.tgt; \ 500 test -n "$UNSUPPORTED") 501 then 502 AC_MSG_RESULT([no]) 503 noconfigdirs="$noconfigdirs target-libatomic" 504 else 505 AC_MSG_RESULT([yes]) 506 fi 507 fi 508fi 509 510# Disable libcilkrts on unsupported systems. 511if test -d ${srcdir}/libcilkrts; then 512 if test x$enable_libcilkrts = x; then 513 AC_MSG_CHECKING([for libcilkrts support]) 514 if (srcdir=${srcdir}/libcilkrts; \ 515 . ${srcdir}/configure.tgt; \ 516 test -n "$UNSUPPORTED") 517 then 518 AC_MSG_RESULT([no]) 519 noconfigdirs="$noconfigdirs target-libcilkrts" 520 else 521 AC_MSG_RESULT([yes]) 522 fi 523 fi 524fi 525 526# Disable libitm on unsupported systems. 527if test -d ${srcdir}/libitm; then 528 if test x$enable_libitm = x; then 529 AC_MSG_CHECKING([for libitm support]) 530 if (srcdir=${srcdir}/libitm; \ 531 . ${srcdir}/configure.tgt; \ 532 test -n "$UNSUPPORTED") 533 then 534 AC_MSG_RESULT([no]) 535 noconfigdirs="$noconfigdirs target-libitm" 536 else 537 AC_MSG_RESULT([yes]) 538 fi 539 fi 540fi 541 542# Disable libsanitizer on unsupported systems. 543if test -d ${srcdir}/libsanitizer; then 544 if test x$enable_libsanitizer = x; then 545 AC_MSG_CHECKING([for libsanitizer support]) 546 if (srcdir=${srcdir}/libsanitizer; \ 547 . ${srcdir}/configure.tgt; \ 548 test -n "$UNSUPPORTED") 549 then 550 AC_MSG_RESULT([no]) 551 noconfigdirs="$noconfigdirs target-libsanitizer" 552 else 553 AC_MSG_RESULT([yes]) 554 fi 555 fi 556fi 557 558# Disable libvtv on unsupported systems. 559if test -d ${srcdir}/libvtv; then 560 if test x$enable_libvtv = x; then 561 AC_MSG_CHECKING([for libvtv support]) 562 if (srcdir=${srcdir}/libvtv; \ 563 . ${srcdir}/configure.tgt; \ 564 test "$VTV_SUPPORTED" != "yes") 565 then 566 AC_MSG_RESULT([no]) 567 noconfigdirs="$noconfigdirs target-libvtv" 568 else 569 AC_MSG_RESULT([yes]) 570 fi 571 fi 572fi 573 574# Disable libquadmath for some systems. 575case "${target}" in 576 avr-*-*) 577 noconfigdirs="$noconfigdirs target-libquadmath" 578 ;; 579 # libquadmath is unused on AIX and libquadmath build process use of 580 # LD_LIBRARY_PATH can break AIX bootstrap. 581 powerpc-*-aix* | rs6000-*-aix*) 582 noconfigdirs="$noconfigdirs target-libquadmath" 583 ;; 584esac 585 586# Disable libssp for some systems. 587case "${target}" in 588 avr-*-*) 589 # No hosted I/O support. 590 noconfigdirs="$noconfigdirs target-libssp" 591 ;; 592 powerpc-*-aix* | rs6000-*-aix*) 593 noconfigdirs="$noconfigdirs target-libssp" 594 ;; 595 rl78-*-*) 596 # libssp uses a misaligned load to trigger a fault, but the RL78 597 # doesn't fault for those - instead, it gives a build-time error 598 # for explicit misaligned loads. 599 noconfigdirs="$noconfigdirs target-libssp" 600 ;; 601esac 602 603# Disable libstdc++-v3 for some systems. 604# Allow user to override this if they pass --enable-libstdc++-v3 605if test "${ENABLE_LIBSTDCXX}" = "default" ; then 606 case "${target}" in 607 *-*-vxworks*) 608 # VxWorks uses the Dinkumware C++ library. 609 noconfigdirs="$noconfigdirs target-libstdc++-v3" 610 ;; 611 arm*-wince-pe*) 612 # the C++ libraries don't build on top of CE's C libraries 613 noconfigdirs="$noconfigdirs target-libstdc++-v3" 614 ;; 615 avr-*-*) 616 noconfigdirs="$noconfigdirs target-libstdc++-v3" 617 ;; 618 esac 619fi 620 621# Disable Fortran for some systems. 622case "${target}" in 623 mmix-*-*) 624 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 625 unsupported_languages="$unsupported_languages fortran" 626 ;; 627esac 628 629# Disable Java if libffi is not supported. 630case "${target}" in 631 aarch64-*-*) 632 ;; 633 alpha*-*-*) 634 ;; 635 arm*-*-*) 636 ;; 637 cris-*-*) 638 ;; 639 frv-*-*) 640 ;; 641 hppa*-*-linux*) 642 ;; 643 hppa*-*-hpux*) 644 ;; 645 i?86-*-*) 646 ;; 647 ia64*-*-*) 648 ;; 649 m32r*-*-*) 650 ;; 651 m68k-*-*) 652 ;; 653 mips*-*-rtems*) 654 ;; 655 mips*-*-linux*) 656 ;; 657 powerpc*-*-linux*) 658 ;; 659 powerpc-*-darwin*) 660 ;; 661 powerpc-*-aix* | rs6000-*-aix*) 662 ;; 663 powerpc-*-freebsd*) 664 ;; 665 powerpc64-*-freebsd*) 666 ;; 667 powerpc*-*-rtems*) 668 ;; 669 s390-*-* | s390x-*-*) 670 ;; 671 sh-*-* | sh[[34]]*-*-*) 672 ;; 673 sh64-*-* | sh5*-*-*) 674 ;; 675 sparc*-*-*) 676 ;; 677 x86_64-*-*) 678 ;; 679 *-*-*) 680 unsupported_languages="$unsupported_languages java" 681 ;; 682esac 683 684# Disable Java, libgcj or related libraries for some systems. 685case "${target}" in 686 powerpc-*-darwin*) 687 ;; 688 i[[3456789]]86-*-darwin*) 689 ;; 690 x86_64-*-darwin[[912]]*) 691 ;; 692 *-*-darwin*) 693 noconfigdirs="$noconfigdirs ${libgcj}" 694 ;; 695 *-*-netware*) 696 noconfigdirs="$noconfigdirs ${libgcj}" 697 ;; 698 *-*-rtems*) 699 noconfigdirs="$noconfigdirs ${libgcj}" 700 ;; 701 *-*-tpf*) 702 noconfigdirs="$noconfigdirs ${libgcj}" 703 ;; 704 *-*-uclinux*) 705 noconfigdirs="$noconfigdirs ${libgcj}" 706 ;; 707 *-*-vxworks*) 708 noconfigdirs="$noconfigdirs ${libgcj}" 709 ;; 710 alpha*-*-*vms*) 711 noconfigdirs="$noconfigdirs ${libgcj}" 712 ;; 713 arm-wince-pe) 714 noconfigdirs="$noconfigdirs ${libgcj}" 715 ;; 716 arm*-*-symbianelf*) 717 noconfigdirs="$noconfigdirs ${libgcj}" 718 ;; 719 bfin-*-*) 720 noconfigdirs="$noconfigdirs target-boehm-gc" 721 ;; 722 cris-*-* | crisv32-*-*) 723 unsupported_languages="$unsupported_languages java" 724 case "${target}" in 725 *-*-linux*) 726 ;; 727 *) # See PR46792 regarding target-libffi. 728 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 729 esac 730 ;; 731 hppa*64*-*-linux*) 732 # In this case, it's because the hppa64-linux target is for 733 # the kernel only at this point and has no libc, and thus no 734 # headers, crt*.o, etc., all of which are needed by these. 735 unsupported_languages="$unsupported_languages java" 736 ;; 737 hppa*64*-*-hpux*) 738 noconfigdirs="$noconfigdirs ${libgcj}" 739 ;; 740 hppa*-hp-hpux11*) 741 ;; 742 hppa*-*-hpux*) 743 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 744 # build on HP-UX 10.20. 745 noconfigdirs="$noconfigdirs ${libgcj}" 746 ;; 747 ia64*-*-*vms*) 748 noconfigdirs="$noconfigdirs ${libgcj}" 749 ;; 750 i[[3456789]]86-w64-mingw*) 751 noconfigdirs="$noconfigdirs ${libgcj}" 752 ;; 753 i[[3456789]]86-*-mingw*) 754 noconfigdirs="$noconfigdirs ${libgcj}" 755 ;; 756 x86_64-*-mingw*) 757 noconfigdirs="$noconfigdirs ${libgcj}" 758 ;; 759 mmix-*-*) 760 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 761 ;; 762 powerpc-*-aix*) 763 # copied from rs6000-*-* entry 764 noconfigdirs="$noconfigdirs ${libgcj}" 765 ;; 766 rs6000-*-aix*) 767 noconfigdirs="$noconfigdirs ${libgcj}" 768 ;; 769 *-*-lynxos*) 770 noconfigdirs="$noconfigdirs ${libgcj}" 771 ;; 772esac 773 774# Disable libgo for some systems where it is known to not work. 775# For testing, you can easily override this with --enable-libgo. 776if test x$enable_libgo = x; then 777 case "${target}" in 778 *-*-darwin*) 779 # PR 46986 780 noconfigdirs="$noconfigdirs target-libgo" 781 ;; 782 *-*-cygwin* | *-*-mingw*) 783 noconfigdirs="$noconfigdirs target-libgo" 784 ;; 785 *-*-aix*) 786 noconfigdirs="$noconfigdirs target-libgo" 787 ;; 788 esac 789fi 790 791# Default libgloss CPU subdirectory. 792libgloss_dir="$target_cpu" 793 794case "${target}" in 795 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 796 libgloss_dir=wince 797 ;; 798 aarch64*-*-* ) 799 libgloss_dir=aarch64 800 ;; 801 arm*-*-*) 802 libgloss_dir=arm 803 ;; 804 cris-*-* | crisv32-*-*) 805 libgloss_dir=cris 806 ;; 807 hppa*-*-*) 808 libgloss_dir=pa 809 ;; 810 i[[3456789]]86-*-*) 811 libgloss_dir=i386 812 ;; 813 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 814 libgloss_dir=m68hc11 815 ;; 816 m68*-*-* | fido-*-*) 817 libgloss_dir=m68k 818 ;; 819 mips*-*-*) 820 libgloss_dir=mips 821 ;; 822 powerpc*-*-*) 823 libgloss_dir=rs6000 824 ;; 825 sparc*-*-*) 826 libgloss_dir=sparc 827 ;; 828esac 829 830# Disable newlib and libgloss for various target OSes. 831case "${target}" in 832 alpha*-dec-osf*) 833 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 834 ;; 835 i[[3456789]]86-*-linux*) 836 # This section makes it possible to build newlib natively on linux. 837 # If we are using a cross compiler then don't configure newlib. 838 if test x${is_cross_compiler} != xno ; then 839 noconfigdirs="$noconfigdirs target-newlib" 840 fi 841 noconfigdirs="$noconfigdirs target-libgloss" 842 # If we are not using a cross compiler, do configure newlib. 843 # Note however, that newlib will only be configured in this situation 844 # if the --with-newlib option has been given, because otherwise 845 # 'target-newlib' will appear in skipdirs. 846 ;; 847 i[[3456789]]86-*-rdos*) 848 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 849 ;; 850 sh*-*-pe|mips*-*-pe|arm-wince-pe) 851 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 852 ;; 853 sparc-*-sunos4*) 854 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 855 ;; 856 *-*-aix*) 857 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 858 ;; 859 *-*-beos*) 860 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 861 ;; 862 *-*-chorusos) 863 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 864 ;; 865 *-*-dragonfly*) 866 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 867 ;; 868 *-*-freebsd*) 869 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 870 ;; 871 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 872 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 873 ;; 874 *-*-lynxos*) 875 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 876 ;; 877 *-*-mingw*) 878 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 879 ;; 880 *-*-netbsd*) 881 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 882 ;; 883 *-*-netware*) 884 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 885 ;; 886 *-*-tpf*) 887 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 888 ;; 889 *-*-uclinux*) 890 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 891 ;; 892 *-*-vxworks*) 893 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 894 ;; 895esac 896 897case "${target}" in 898 *-*-chorusos) 899 ;; 900 powerpc-*-darwin*) 901 noconfigdirs="$noconfigdirs ld gas gdb gprof" 902 noconfigdirs="$noconfigdirs sim target-rda" 903 ;; 904 i[[3456789]]86-*-darwin*) 905 noconfigdirs="$noconfigdirs ld gprof" 906 noconfigdirs="$noconfigdirs sim target-rda" 907 ;; 908 x86_64-*-darwin[[912]]*) 909 noconfigdirs="$noconfigdirs ld gas gprof" 910 noconfigdirs="$noconfigdirs sim target-rda" 911 ;; 912 *-*-darwin*) 913 noconfigdirs="$noconfigdirs ld gas gdb gprof" 914 noconfigdirs="$noconfigdirs sim target-rda" 915 ;; 916 *-*-dragonfly*) 917 ;; 918 *-*-freebsd*) 919 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 920 && test -f /usr/local/include/gmp.h; then 921 with_gmp=/usr/local 922 fi 923 ;; 924 *-*-kaos*) 925 # Remove unsupported stuff on all kaOS configurations. 926 noconfigdirs="$noconfigdirs target-libgloss" 927 ;; 928 *-*-netbsd*) 929 ;; 930 *-*-netware*) 931 ;; 932 *-*-rtems*) 933 noconfigdirs="$noconfigdirs target-libgloss" 934 ;; 935 # The tpf target doesn't support gdb yet. 936 *-*-tpf*) 937 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 938 ;; 939 *-*-uclinux*) 940 noconfigdirs="$noconfigdirs target-rda" 941 ;; 942 *-*-vxworks*) 943 ;; 944 alpha*-dec-osf*) 945 # ld works, but does not support shared libraries. 946 # gas doesn't generate exception information. 947 noconfigdirs="$noconfigdirs gas ld" 948 ;; 949 alpha*-*-*vms*) 950 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 951 ;; 952 alpha*-*-*) 953 # newlib is not 64 bit ready 954 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 955 ;; 956 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 957 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 958 ;; 959 arc-*-*|arceb-*-*) 960 noconfigdirs="$noconfigdirs target-libgloss" 961 ;; 962 arm-*-pe*) 963 noconfigdirs="$noconfigdirs target-libgloss" 964 ;; 965 arm-*-riscix*) 966 noconfigdirs="$noconfigdirs ld target-libgloss" 967 ;; 968 avr-*-rtems*) 969 ;; 970 avr-*-*) 971 if test x${with_avrlibc} != xno; then 972 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 973 fi 974 ;; 975 c4x-*-* | tic4x-*-*) 976 noconfigdirs="$noconfigdirs target-libgloss" 977 ;; 978 tic54x-*-*) 979 noconfigdirs="$noconfigdirs target-libgloss gdb" 980 ;; 981 d10v-*-*) 982 noconfigdirs="$noconfigdirs target-libgloss" 983 ;; 984 d30v-*-*) 985 noconfigdirs="$noconfigdirs gdb" 986 ;; 987 fr30-*-elf*) 988 noconfigdirs="$noconfigdirs gdb" 989 ;; 990 moxie-*-*) 991 noconfigdirs="$noconfigdirs gprof" 992 ;; 993 h8300*-*-*) 994 noconfigdirs="$noconfigdirs target-libgloss" 995 ;; 996 h8500-*-*) 997 noconfigdirs="$noconfigdirs target-libgloss" 998 ;; 999 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1000 ;; 1001 hppa*64*-*-linux*) 1002 ;; 1003 hppa*-*-linux*) 1004 ;; 1005 hppa*-*-*elf* | \ 1006 hppa*-*-lites* | \ 1007 hppa*-*-openbsd* | \ 1008 hppa*64*-*-*) 1009 ;; 1010 hppa*-hp-hpux11*) 1011 noconfigdirs="$noconfigdirs ld" 1012 ;; 1013 hppa*-*-pro*) 1014 ;; 1015 hppa*-*-*) 1016 noconfigdirs="$noconfigdirs ld" 1017 ;; 1018 i960-*-*) 1019 noconfigdirs="$noconfigdirs gdb" 1020 ;; 1021 ia64*-*-elf*) 1022 # No gdb support yet. 1023 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1024 ;; 1025 ia64*-**-hpux*) 1026 # No ld support yet. 1027 noconfigdirs="$noconfigdirs libgui itcl ld" 1028 ;; 1029 ia64*-*-*vms*) 1030 # No ld support yet. 1031 noconfigdirs="$noconfigdirs libgui itcl ld" 1032 ;; 1033 i[[3456789]]86-w64-mingw*) 1034 ;; 1035 i[[3456789]]86-*-mingw*) 1036 target_configdirs="$target_configdirs target-winsup" 1037 ;; 1038 *-*-cygwin*) 1039 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1040 noconfigdirs="$noconfigdirs target-libgloss" 1041 # always build newlib if winsup directory is present. 1042 if test -d "$srcdir/winsup/cygwin"; then 1043 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1044 elif test -d "$srcdir/newlib"; then 1045 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1046 fi 1047 ;; 1048 i[[3456789]]86-*-pe) 1049 noconfigdirs="$noconfigdirs target-libgloss" 1050 ;; 1051 i[[3456789]]86-*-sco3.2v5*) 1052 # The linker does not yet know about weak symbols in COFF, 1053 # and is not configured to handle mixed ELF and COFF. 1054 noconfigdirs="$noconfigdirs ld target-libgloss" 1055 ;; 1056 i[[3456789]]86-*-sco*) 1057 noconfigdirs="$noconfigdirs gprof target-libgloss" 1058 ;; 1059 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1060 noconfigdirs="$noconfigdirs target-libgloss" 1061 ;; 1062 i[[3456789]]86-*-sysv4*) 1063 noconfigdirs="$noconfigdirs target-libgloss" 1064 ;; 1065 i[[3456789]]86-*-beos*) 1066 noconfigdirs="$noconfigdirs gdb" 1067 ;; 1068 i[[3456789]]86-*-rdos*) 1069 noconfigdirs="$noconfigdirs gdb" 1070 ;; 1071 mmix-*-*) 1072 noconfigdirs="$noconfigdirs gdb" 1073 ;; 1074 mt-*-*) 1075 noconfigdirs="$noconfigdirs sim" 1076 ;; 1077 powerpc-*-aix*) 1078 # copied from rs6000-*-* entry 1079 noconfigdirs="$noconfigdirs gprof" 1080 ;; 1081 powerpc*-*-winnt* | powerpc*-*-pe*) 1082 target_configdirs="$target_configdirs target-winsup" 1083 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1084 # always build newlib. 1085 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1086 ;; 1087 # This is temporary until we can link against shared libraries 1088 powerpcle-*-solaris*) 1089 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1090 ;; 1091 powerpc-*-beos*) 1092 noconfigdirs="$noconfigdirs gdb" 1093 ;; 1094 rs6000-*-lynxos*) 1095 noconfigdirs="$noconfigdirs gprof" 1096 ;; 1097 rs6000-*-aix*) 1098 noconfigdirs="$noconfigdirs gprof" 1099 ;; 1100 rs6000-*-*) 1101 noconfigdirs="$noconfigdirs gprof" 1102 ;; 1103 m68k-apollo-*) 1104 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1105 ;; 1106 microblaze*) 1107 noconfigdirs="$noconfigdirs gprof" 1108 ;; 1109 mips*-sde-elf* | mips*-mti-elf*) 1110 if test x$with_newlib = xyes; then 1111 noconfigdirs="$noconfigdirs gprof" 1112 fi 1113 ;; 1114 mips*-*-irix5*) 1115 noconfigdirs="$noconfigdirs gprof target-libgloss" 1116 ;; 1117 mips*-*-irix6*) 1118 noconfigdirs="$noconfigdirs gprof target-libgloss" 1119 ;; 1120 mips*-*-bsd*) 1121 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1122 ;; 1123 mips*-*-linux*) 1124 ;; 1125 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1126 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1127 noconfigdirs="$noconfigdirs ld gas gprof" 1128 ;; 1129 mips*-*-*) 1130 noconfigdirs="$noconfigdirs gprof" 1131 ;; 1132 sh-*-* | sh64-*-*) 1133 case "${target}" in 1134 sh*-*-elf) 1135 ;; 1136 *) 1137 noconfigdirs="$noconfigdirs target-libgloss" ;; 1138 esac 1139 ;; 1140 sparc-*-sunos4*) 1141 if test x${is_cross_compiler} = xno ; then 1142 use_gnu_ld=no 1143 fi 1144 ;; 1145 tic6x-*-*) 1146 noconfigdirs="$noconfigdirs sim" 1147 ;; 1148 tilepro-*-* | tilegx-*-*) 1149 noconfigdirs="$noconfigdirs sim" 1150 ;; 1151 v810-*-*) 1152 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1153 ;; 1154 vax-*-*) 1155 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1156 ;; 1157esac 1158 1159# If we aren't building newlib, then don't build libgloss, since libgloss 1160# depends upon some newlib header files. 1161case "${noconfigdirs}" in 1162 *target-libgloss*) ;; 1163 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1164esac 1165 1166# Work in distributions that contain no compiler tools, like Autoconf. 1167host_makefile_frag=/dev/null 1168if test -d ${srcdir}/config ; then 1169case "${host}" in 1170 i[[3456789]]86-*-msdosdjgpp*) 1171 host_makefile_frag="config/mh-djgpp" 1172 ;; 1173 *-cygwin*) 1174 ACX_CHECK_CYGWIN_CAT_WORKS 1175 host_makefile_frag="config/mh-cygwin" 1176 ;; 1177 *-mingw*) 1178 host_makefile_frag="config/mh-mingw" 1179 ;; 1180 hppa*-hp-hpux10*) 1181 host_makefile_frag="config/mh-pa-hpux10" 1182 ;; 1183 hppa*-hp-hpux*) 1184 host_makefile_frag="config/mh-pa" 1185 ;; 1186 hppa*-*) 1187 host_makefile_frag="config/mh-pa" 1188 ;; 1189 *-*-darwin*) 1190 host_makefile_frag="config/mh-darwin" 1191 ;; 1192 powerpc-*-aix*) 1193 host_makefile_frag="config/mh-ppc-aix" 1194 ;; 1195 rs6000-*-aix*) 1196 host_makefile_frag="config/mh-ppc-aix" 1197 ;; 1198esac 1199fi 1200 1201if test "${build}" != "${host}" ; then 1202 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1203 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1204 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1205 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1206 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1207 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1208 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1209 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1210 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1211 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1212 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1213 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1214 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1215else 1216 AR_FOR_BUILD="\$(AR)" 1217 AS_FOR_BUILD="\$(AS)" 1218 CC_FOR_BUILD="\$(CC)" 1219 CXX_FOR_BUILD="\$(CXX)" 1220 GCJ_FOR_BUILD="\$(GCJ)" 1221 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1222 GOC_FOR_BUILD="\$(GOC)" 1223 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1224 LD_FOR_BUILD="\$(LD)" 1225 NM_FOR_BUILD="\$(NM)" 1226 RANLIB_FOR_BUILD="\$(RANLIB)" 1227 WINDRES_FOR_BUILD="\$(WINDRES)" 1228 WINDMC_FOR_BUILD="\$(WINDMC)" 1229fi 1230 1231AC_PROG_CC 1232AC_PROG_CXX 1233 1234# We must set the default linker to the linker used by gcc for the correct 1235# operation of libtool. If LD is not defined and we are using gcc, try to 1236# set the LD default to the ld used by gcc. 1237if test -z "$LD"; then 1238 if test "$GCC" = yes; then 1239 case $build in 1240 *-*-mingw*) 1241 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1242 *) 1243 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1244 esac 1245 case $gcc_prog_ld in 1246 # Accept absolute paths. 1247 [[\\/]* | [A-Za-z]:[\\/]*)] 1248 LD="$gcc_prog_ld" ;; 1249 esac 1250 fi 1251fi 1252 1253# Check whether -static-libstdc++ -static-libgcc is supported. 1254have_static_libs=no 1255if test "$GCC" = yes; then 1256 saved_LDFLAGS="$LDFLAGS" 1257 1258 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1259 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1260 AC_LANG_PUSH(C++) 1261 AC_LINK_IFELSE([ 1262#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1263#error -static-libstdc++ not implemented 1264#endif 1265int main() {}], 1266 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1267 [AC_MSG_RESULT([no])]) 1268 AC_LANG_POP(C++) 1269 1270 LDFLAGS="$saved_LDFLAGS" 1271fi 1272 1273ACX_PROG_GNAT 1274ACX_PROG_CMP_IGNORE_INITIAL 1275 1276AC_ARG_ENABLE([bootstrap], 1277[AS_HELP_STRING([--enable-bootstrap], 1278 [enable bootstrapping @<:@yes if native build@:>@])],, 1279enable_bootstrap=default) 1280 1281# Issue errors and warnings for invalid/strange bootstrap combinations. 1282if test -r $srcdir/gcc/configure; then 1283 have_compiler=yes 1284else 1285 have_compiler=no 1286fi 1287 1288case "$have_compiler:$host:$target:$enable_bootstrap" in 1289 *:*:*:no) ;; 1290 1291 # Default behavior. Enable bootstrap if we have a compiler 1292 # and we are in a native configuration. 1293 yes:$build:$build:default) 1294 enable_bootstrap=yes ;; 1295 1296 *:*:*:default) 1297 enable_bootstrap=no ;; 1298 1299 # We have a compiler and we are in a native configuration, bootstrap is ok 1300 yes:$build:$build:yes) 1301 ;; 1302 1303 # Other configurations, but we have a compiler. Assume the user knows 1304 # what he's doing. 1305 yes:*:*:yes) 1306 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1307 ;; 1308 1309 # No compiler: if they passed --enable-bootstrap explicitly, fail 1310 no:*:*:yes) 1311 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1312 1313 # Fail if wrong command line 1314 *) 1315 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1316 ;; 1317esac 1318 1319# Used for setting $lt_cv_objdir 1320_LT_CHECK_OBJDIR 1321 1322# Check for GMP, MPFR and MPC 1323gmplibs="-lmpc -lmpfr -lgmp" 1324gmpinc= 1325have_gmp=no 1326 1327# Specify a location for mpc 1328# check for this first so it ends up on the link line before mpfr. 1329AC_ARG_WITH(mpc, 1330[AS_HELP_STRING([--with-mpc=PATH], 1331 [specify prefix directory for installed MPC package. 1332 Equivalent to --with-mpc-include=PATH/include 1333 plus --with-mpc-lib=PATH/lib])]) 1334AC_ARG_WITH(mpc-include, 1335[AS_HELP_STRING([--with-mpc-include=PATH], 1336 [specify directory for installed MPC include files])]) 1337AC_ARG_WITH(mpc-lib, 1338[AS_HELP_STRING([--with-mpc-lib=PATH], 1339 [specify directory for the installed MPC library])]) 1340 1341if test "x$with_mpc" != x; then 1342 gmplibs="-L$with_mpc/lib $gmplibs" 1343 gmpinc="-I$with_mpc/include $gmpinc" 1344fi 1345if test "x$with_mpc_include" != x; then 1346 gmpinc="-I$with_mpc_include $gmpinc" 1347fi 1348if test "x$with_mpc_lib" != x; then 1349 gmplibs="-L$with_mpc_lib $gmplibs" 1350fi 1351if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1352 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1353 gmpinc='-I$$s/mpc/src '"$gmpinc" 1354 # Do not test the mpc version. Assume that it is sufficient, since 1355 # it is in the source tree, and the library has not been built yet 1356 # but it would be included on the link line in the version check below 1357 # hence making the test fail. 1358 have_gmp=yes 1359fi 1360 1361# Specify a location for mpfr 1362# check for this first so it ends up on the link line before gmp. 1363AC_ARG_WITH(mpfr-dir, 1364[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1365[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1366Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1367 1368AC_ARG_WITH(mpfr, 1369[AS_HELP_STRING([--with-mpfr=PATH], 1370 [specify prefix directory for installed MPFR package. 1371 Equivalent to --with-mpfr-include=PATH/include 1372 plus --with-mpfr-lib=PATH/lib])]) 1373AC_ARG_WITH(mpfr-include, 1374[AS_HELP_STRING([--with-mpfr-include=PATH], 1375 [specify directory for installed MPFR include files])]) 1376AC_ARG_WITH(mpfr-lib, 1377[AS_HELP_STRING([--with-mpfr-lib=PATH], 1378 [specify directory for the installed MPFR library])]) 1379 1380if test "x$with_mpfr" != x; then 1381 gmplibs="-L$with_mpfr/lib $gmplibs" 1382 gmpinc="-I$with_mpfr/include $gmpinc" 1383fi 1384if test "x$with_mpfr_include" != x; then 1385 gmpinc="-I$with_mpfr_include $gmpinc" 1386fi 1387if test "x$with_mpfr_lib" != x; then 1388 gmplibs="-L$with_mpfr_lib $gmplibs" 1389fi 1390if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1391 # MPFR v3.1.0 moved the sources into a src sub-directory. 1392 if test -d ${srcdir}/mpfr/src; then 1393 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1394 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1395 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1396 else 1397 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1398 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1399 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1400 fi 1401 # Do not test the mpfr version. Assume that it is sufficient, since 1402 # it is in the source tree, and the library has not been built yet 1403 # but it would be included on the link line in the version check below 1404 # hence making the test fail. 1405 have_gmp=yes 1406fi 1407 1408# Specify a location for gmp 1409AC_ARG_WITH(gmp-dir, 1410[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1411[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1412Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1413 1414AC_ARG_WITH(gmp, 1415[AS_HELP_STRING([--with-gmp=PATH], 1416 [specify prefix directory for the installed GMP package. 1417 Equivalent to --with-gmp-include=PATH/include 1418 plus --with-gmp-lib=PATH/lib])]) 1419AC_ARG_WITH(gmp-include, 1420[AS_HELP_STRING([--with-gmp-include=PATH], 1421 [specify directory for installed GMP include files])]) 1422AC_ARG_WITH(gmp-lib, 1423[AS_HELP_STRING([--with-gmp-lib=PATH], 1424 [specify directory for the installed GMP library])]) 1425 1426 1427if test "x$with_gmp" != x; then 1428 gmplibs="-L$with_gmp/lib $gmplibs" 1429 gmpinc="-I$with_gmp/include $gmpinc" 1430fi 1431if test "x$with_gmp_include" != x; then 1432 gmpinc="-I$with_gmp_include $gmpinc" 1433fi 1434if test "x$with_gmp_lib" != x; then 1435 gmplibs="-L$with_gmp_lib $gmplibs" 1436fi 1437if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1438 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1439 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1440 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1441 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1442 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1443 # Do not test the gmp version. Assume that it is sufficient, since 1444 # it is in the source tree, and the library has not been built yet 1445 # but it would be included on the link line in the version check below 1446 # hence making the test fail. 1447 have_gmp=yes 1448fi 1449 1450if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1451 have_gmp=yes 1452 saved_CFLAGS="$CFLAGS" 1453 CFLAGS="$CFLAGS $gmpinc" 1454 # Check for the recommended and required versions of GMP. 1455 AC_MSG_CHECKING([for the correct version of gmp.h]) 1456 AC_TRY_COMPILE([#include "gmp.h"],[ 1457 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1458 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1459 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1460 choke me 1461 #endif 1462 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1463 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1464 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1465 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1466 choke me 1467 #endif 1468 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1469 [AC_MSG_RESULT([no]); have_gmp=no]) 1470 1471 # If we have GMP, check the MPFR version. 1472 if test x"$have_gmp" = xyes; then 1473 # Check for the recommended and required versions of MPFR. 1474 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1475 AC_TRY_COMPILE([#include <gmp.h> 1476 #include <mpfr.h>],[ 1477 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1478 choke me 1479 #endif 1480 ], [AC_TRY_COMPILE([#include <gmp.h> 1481 #include <mpfr.h>],[ 1482 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1483 choke me 1484 #endif 1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1486 [AC_MSG_RESULT([no]); have_gmp=no]) 1487 fi 1488 1489 # Check for the MPC header version. 1490 if test x"$have_gmp" = xyes ; then 1491 # Check for the recommended and required versions of MPC. 1492 AC_MSG_CHECKING([for the correct version of mpc.h]) 1493 AC_TRY_COMPILE([#include <mpc.h>],[ 1494 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1495 choke me 1496 #endif 1497 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1499 choke me 1500 #endif 1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1502 [AC_MSG_RESULT([no]); have_gmp=no]) 1503 fi 1504 1505 # Now check the MPFR library. 1506 if test x"$have_gmp" = xyes; then 1507 saved_LIBS="$LIBS" 1508 LIBS="$LIBS $gmplibs" 1509 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1510 AC_TRY_LINK([#include <mpc.h>],[ 1511 mpfr_t n; 1512 mpfr_t x; 1513 mpc_t c; 1514 int t; 1515 mpfr_init (n); 1516 mpfr_init (x); 1517 mpfr_atan2 (n, n, x, GMP_RNDN); 1518 mpfr_erfc (n, x, GMP_RNDN); 1519 mpfr_subnormalize (x, t, GMP_RNDN); 1520 mpfr_clear(n); 1521 mpfr_clear(x); 1522 mpc_init2 (c, 53); 1523 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1524 mpc_cosh (c, c, MPC_RNDNN); 1525 mpc_pow (c, c, c, MPC_RNDNN); 1526 mpc_acosh (c, c, MPC_RNDNN); 1527 mpc_clear (c); 1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1529 LIBS="$saved_LIBS" 1530 fi 1531 1532 CFLAGS="$saved_CFLAGS" 1533 1534# The library versions listed in the error message below should match 1535# the HARD-minimums enforced above. 1536 if test x$have_gmp != xyes; then 1537 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1538Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1539their locations. Source code for these libraries can be found at 1540their respective hosting sites as well as at 1541ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1542http://gcc.gnu.org/install/prerequisites.html for additional info. If 1543you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1544make sure that you have installed both the libraries and the header 1545files. They may be located in separate packages.]) 1546 fi 1547fi 1548 1549# Flags needed for both GMP, MPFR and/or MPC. 1550AC_SUBST(gmplibs) 1551AC_SUBST(gmpinc) 1552AC_SUBST(extra_mpfr_configure_flags) 1553AC_SUBST(extra_mpc_gmp_configure_flags) 1554AC_SUBST(extra_mpc_mpfr_configure_flags) 1555AC_SUBST(extra_isl_gmp_configure_flags) 1556 1557# Allow host libstdc++ to be specified for static linking with PPL. 1558AC_ARG_WITH(host-libstdcxx, 1559[AS_HELP_STRING([--with-host-libstdcxx=L], 1560 [use linker arguments L to link with libstdc++ 1561 when linking with PPL])]) 1562 1563case $with_host_libstdcxx in 1564 no|yes) 1565 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1566 ;; 1567esac 1568 1569# Libraries to use for stage1 or when not bootstrapping. 1570AC_ARG_WITH(stage1-libs, 1571[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1572[if test "$withval" = "no" -o "$withval" = "yes"; then 1573 stage1_libs= 1574 else 1575 stage1_libs=$withval 1576 fi], 1577[stage1_libs=$with_host_libstdcxx]) 1578AC_SUBST(stage1_libs) 1579 1580# Linker flags to use for stage1 or when not bootstrapping. 1581AC_ARG_WITH(stage1-ldflags, 1582[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1583[if test "$withval" = "no" -o "$withval" = "yes"; then 1584 stage1_ldflags= 1585 else 1586 stage1_ldflags=$withval 1587 fi], 1588[stage1_ldflags= 1589 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1590 # if supported. But if the user explicitly specified the libraries to use, 1591 # trust that they are doing what they want. 1592 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1593 stage1_ldflags="-static-libstdc++ -static-libgcc" 1594 fi]) 1595AC_SUBST(stage1_ldflags) 1596 1597# Libraries to use for stage2 and later builds. This defaults to the 1598# argument passed to --with-host-libstdcxx. 1599AC_ARG_WITH(boot-libs, 1600[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1601[if test "$withval" = "no" -o "$withval" = "yes"; then 1602 poststage1_libs= 1603 else 1604 poststage1_libs=$withval 1605 fi], 1606[poststage1_libs=$with_host_libstdcxx]) 1607AC_SUBST(poststage1_libs) 1608 1609# Linker flags to use for stage2 and later builds. 1610AC_ARG_WITH(boot-ldflags, 1611[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1612 [linker flags for stage2 and later])], 1613[if test "$withval" = "no" -o "$withval" = "yes"; then 1614 poststage1_ldflags= 1615 else 1616 poststage1_ldflags=$withval 1617 fi], 1618[poststage1_ldflags= 1619 # In stages 2 and 3, default to linking libstdc++ and libgcc 1620 # statically. But if the user explicitly specified the libraries to 1621 # use, trust that they are doing what they want. 1622 if test "$poststage1_libs" = ""; then 1623 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1624 fi]) 1625AC_SUBST(poststage1_ldflags) 1626 1627# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. 1628# Basic setup is inlined here, actual checks are in config/cloog.m4 and 1629# config/isl.m4 1630 1631AC_ARG_WITH(cloog, 1632 [AS_HELP_STRING( 1633 [--with-cloog=PATH], 1634 [Specify prefix directory for the installed CLooG-ISL package. 1635 Equivalent to --with-cloog-include=PATH/include 1636 plus --with-cloog-lib=PATH/lib])]) 1637AC_ARG_WITH(isl, 1638 [AS_HELP_STRING( 1639 [--with-isl=PATH], 1640 [Specify prefix directory for the installed ISL package. 1641 Equivalent to --with-isl-include=PATH/include 1642 plus --with-isl-lib=PATH/lib])]) 1643 1644# Treat either --without-cloog or --without-isl as a request to disable 1645# GRAPHITE support and skip all following checks. 1646if test "x$with_isl" != "xno" && 1647 test "x$with_cloog" != "xno"; then 1648 # Check for ISL 1649 dnl Provide configure switches and initialize islinc & isllibs 1650 dnl with user input. 1651 ISL_INIT_FLAGS 1652 dnl The versions of ISL that work for Graphite 1653 ISL_CHECK_VERSION(0,10) 1654 if test "${gcc_cv_isl}" = no ; then 1655 ISL_CHECK_VERSION(0,11) 1656 if test "${gcc_cv_isl}" = no ; then 1657 ISL_CHECK_VERSION(0,12) 1658 fi 1659 fi 1660 dnl Only execute fail-action, if ISL has been requested. 1661 ISL_IF_FAILED([ 1662 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1663 1664 if test "x$gcc_cv_isl" != "xno"; then 1665 # Check for CLOOG 1666 dnl Provide configure switches and initialize clooginc & clooglibs 1667 dnl with user input. 1668 CLOOG_INIT_FLAGS 1669 dnl The versions of CLooG that work for Graphite. 1670 CLOOG_CHECK_VERSION(0,17,0) 1671 if test "${gcc_cv_cloog}" = no ; then 1672 CLOOG_CHECK_VERSION(0,18,0) 1673 fi 1674 1675 dnl Only execute fail-action, if CLooG has been requested. 1676 CLOOG_IF_FAILED([ 1677 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) 1678 fi 1679fi 1680 1681# If either the ISL or the CLooG check failed, disable builds of in-tree 1682# variants of both 1683if test "x$with_isl" = xno || 1684 test "x$with_cloog" = xno || 1685 test "x$gcc_cv_cloog" = xno || 1686 test "x$gcc_cv_isl" = xno; then 1687 noconfigdirs="$noconfigdirs cloog isl" 1688 islinc= 1689 clooginc= 1690 clooglibs= 1691fi 1692 1693AC_SUBST(islinc) 1694AC_SUBST(clooglibs) 1695AC_SUBST(clooginc) 1696 1697 1698# Check for LTO support. 1699AC_ARG_ENABLE(lto, 1700[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1701enable_lto=$enableval, 1702enable_lto=yes; default_enable_lto=yes) 1703 1704ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1705 build_lto_plugin=yes 1706],[if test x"$default_enable_lto" = x"yes" ; then 1707 case $target in 1708 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1709 # On other non-ELF platforms, LTO has yet to be validated. 1710 *) enable_lto=no ;; 1711 esac 1712 else 1713 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1714 # It would also be nice to check the binutils support, but we don't 1715 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1716 # warn during gcc/ subconfigure; unless you're bootstrapping with 1717 # -flto it won't be needed until after installation anyway. 1718 case $target in 1719 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1720 *) if test x"$enable_lto" = x"yes"; then 1721 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1722 fi 1723 ;; 1724 esac 1725 fi 1726 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1727 # Build it unless LTO was explicitly disabled. 1728 case $target in 1729 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1730 *) ;; 1731 esac 1732]) 1733 1734 1735# By default, C and C++ are the only stage 1 languages. 1736stage1_languages=,c, 1737 1738# Target libraries that we bootstrap. 1739bootstrap_target_libs=,target-libgcc, 1740 1741# Figure out what language subdirectories are present. 1742# Look if the user specified --enable-languages="..."; if not, use 1743# the environment variable $LANGUAGES if defined. $LANGUAGES might 1744# go away some day. 1745# NB: embedded tabs in this IF block -- do not untabify 1746if test -d ${srcdir}/gcc; then 1747 if test x"${enable_languages+set}" != xset; then 1748 if test x"${LANGUAGES+set}" = xset; then 1749 enable_languages="${LANGUAGES}" 1750 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1751 else 1752 enable_languages=all 1753 fi 1754 else 1755 if test x"${enable_languages}" = x || 1756 test x"${enable_languages}" = xyes; 1757 then 1758 echo configure.in: --enable-languages needs at least one language argument 1>&2 1759 exit 1 1760 fi 1761 fi 1762 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1763 1764 # 'f95' is the old name for the 'fortran' language. We issue a warning 1765 # and make the substitution. 1766 case ,${enable_languages}, in 1767 *,f95,*) 1768 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1769 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1770 ;; 1771 esac 1772 1773 # If bootstrapping, C++ must be enabled. 1774 case ",$enable_languages,:$enable_bootstrap" in 1775 *,c++,*:*) ;; 1776 *:yes) 1777 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1778 enable_languages="${enable_languages},c++" 1779 else 1780 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1781 fi 1782 ;; 1783 esac 1784 1785 # First scan to see if an enabled language requires some other language. 1786 # We assume that a given config-lang.in will list all the language 1787 # front ends it requires, even if some are required indirectly. 1788 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1789 case ${lang_frag} in 1790 ..) ;; 1791 # The odd quoting in the next line works around 1792 # an apparent bug in bash 1.12 on linux. 1793 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1794 *) 1795 # From the config-lang.in, get $language, $lang_requires, and 1796 # $lang_requires_boot_languages. 1797 language= 1798 lang_requires= 1799 lang_requires_boot_languages= 1800 . ${lang_frag} 1801 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1802 case ,${enable_languages}, in 1803 *,$other,*) ;; 1804 *,all,*) ;; 1805 *,$language,*) 1806 echo " \`$other' language required by \`$language'; enabling" 1>&2 1807 enable_languages="${enable_languages},${other}" 1808 ;; 1809 esac 1810 done 1811 for other in ${lang_requires_boot_languages} ; do 1812 if test "$other" != "c"; then 1813 case ,${enable_stage1_languages}, in 1814 *,$other,*) ;; 1815 *,all,*) ;; 1816 *) 1817 case ,${enable_languages}, in 1818 *,$language,*) 1819 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1820 enable_stage1_languages="$enable_stage1_languages,${other}" 1821 ;; 1822 esac 1823 ;; 1824 esac 1825 fi 1826 done 1827 ;; 1828 esac 1829 done 1830 1831 new_enable_languages=,c, 1832 1833 # If LTO is enabled, add the LTO front end. 1834 extra_host_libiberty_configure_flags= 1835 if test "$enable_lto" = "yes" ; then 1836 case ,${enable_languages}, in 1837 *,lto,*) ;; 1838 *) enable_languages="${enable_languages},lto" ;; 1839 esac 1840 if test "${build_lto_plugin}" = "yes" ; then 1841 configdirs="$configdirs lto-plugin" 1842 extra_host_libiberty_configure_flags=--enable-shared 1843 fi 1844 fi 1845 AC_SUBST(extra_host_libiberty_configure_flags) 1846 1847 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1848 potential_languages=,c, 1849 1850 enabled_target_libs= 1851 disabled_target_libs= 1852 1853 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1854 case ${lang_frag} in 1855 ..) ;; 1856 # The odd quoting in the next line works around 1857 # an apparent bug in bash 1.12 on linux. 1858 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1859 *) 1860 # From the config-lang.in, get $language, $target_libs, 1861 # $lang_dirs, $boot_language, and $build_by_default 1862 language= 1863 target_libs= 1864 lang_dirs= 1865 subdir_requires= 1866 boot_language=no 1867 build_by_default=yes 1868 . ${lang_frag} 1869 if test x${language} = x; then 1870 echo "${lang_frag} doesn't set \$language." 1>&2 1871 exit 1 1872 fi 1873 1874 if test "$language" = "c++"; then 1875 boot_language=yes 1876 fi 1877 1878 add_this_lang=no 1879 case ,${enable_languages}, in 1880 *,${language},*) 1881 # Language was explicitly selected; include it 1882 # unless it is C, which is enabled by default. 1883 if test "$language" != "c"; then 1884 add_this_lang=yes 1885 fi 1886 ;; 1887 *,all,*) 1888 # 'all' was selected, select it if it is a default language 1889 if test "$language" != "c"; then 1890 add_this_lang=${build_by_default} 1891 fi 1892 ;; 1893 esac 1894 1895 # Disable languages that need other directories if these aren't available. 1896 for i in $subdir_requires; do 1897 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1898 case ,${enable_languages}, in 1899 *,${language},*) 1900 # Specifically requested language; tell them. 1901 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1902 ;; 1903 *) 1904 # Silently disable. 1905 add_this_lang=unsupported 1906 ;; 1907 esac 1908 done 1909 1910 # Disable Ada if no preexisting GNAT is available. 1911 case ,${enable_languages},:${language}:${have_gnat} in 1912 *,${language},*:ada:no) 1913 # Specifically requested language; tell them. 1914 AC_MSG_ERROR([GNAT is required to build $language]) 1915 ;; 1916 *:ada:no) 1917 # Silently disable. 1918 add_this_lang=unsupported 1919 ;; 1920 esac 1921 1922 # Disable a language that is unsupported by the target. 1923 case " $unsupported_languages " in 1924 *" $language "*) 1925 add_this_lang=unsupported 1926 ;; 1927 esac 1928 1929 case $add_this_lang in 1930 unsupported) 1931 # Remove language-dependent dirs. 1932 disabled_target_libs="$disabled_target_libs $target_libs" 1933 noconfigdirs="$noconfigdirs $lang_dirs" 1934 ;; 1935 no) 1936 # Remove language-dependent dirs; still show language as supported. 1937 disabled_target_libs="$disabled_target_libs $target_libs" 1938 noconfigdirs="$noconfigdirs $lang_dirs" 1939 potential_languages="${potential_languages}${language}," 1940 ;; 1941 yes) 1942 new_enable_languages="${new_enable_languages}${language}," 1943 potential_languages="${potential_languages}${language}," 1944 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1945 enabled_target_libs="$enabled_target_libs $target_libs" 1946 case "${boot_language}:,$enable_stage1_languages," in 1947 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 1948 # Add to (comma-separated) list of stage 1 languages. 1949 case ",$stage1_languages," in 1950 *,$language,* | ,yes, | ,all,) ;; 1951 *) stage1_languages="${stage1_languages}${language}," ;; 1952 esac 1953 # We need to bootstrap any supporting libraries. 1954 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 1955 ;; 1956 esac 1957 ;; 1958 esac 1959 ;; 1960 esac 1961 done 1962 1963 # Add target libraries which are only needed for disabled languages 1964 # to noconfigdirs. 1965 if test -n "$disabled_target_libs"; then 1966 for dir in $disabled_target_libs; do 1967 case " $enabled_target_libs " in 1968 *" ${dir} "*) ;; 1969 *) noconfigdirs="$noconfigdirs $dir" ;; 1970 esac 1971 done 1972 fi 1973 1974 AC_ARG_ENABLE(stage1-languages, 1975 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 1976 [choose additional languages to build during 1977 stage1. Mostly useful for compiler development])], 1978 [case ,${enable_stage1_languages}, in 1979 ,no,|,,) 1980 # Set it to something that will have no effect in the loop below 1981 enable_stage1_languages=c ;; 1982 ,yes,) 1983 enable_stage1_languages=`echo $new_enable_languages | \ 1984 sed -e "s/^,//" -e "s/,$//" ` ;; 1985 *,all,*) 1986 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 1987 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 1988 esac 1989 1990 # Add "good" languages from enable_stage1_languages to stage1_languages, 1991 # while "bad" languages go in missing_languages. Leave no duplicates. 1992 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 1993 case $potential_languages in 1994 *,$i,*) 1995 case $stage1_languages in 1996 *,$i,*) ;; 1997 *) stage1_languages="$stage1_languages$i," ;; 1998 esac ;; 1999 *) 2000 case $missing_languages in 2001 *,$i,*) ;; 2002 *) missing_languages="$missing_languages$i," ;; 2003 esac ;; 2004 esac 2005 done]) 2006 2007 # Remove leading/trailing commas that were added for simplicity 2008 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2009 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2010 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2011 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2012 2013 if test "x$missing_languages" != x; then 2014 AC_MSG_ERROR([ 2015The following requested languages could not be built: ${missing_languages} 2016Supported languages are: ${potential_languages}]) 2017 fi 2018 if test "x$new_enable_languages" != "x$enable_languages"; then 2019 echo The following languages will be built: ${new_enable_languages} 2020 enable_languages="$new_enable_languages" 2021 fi 2022 2023 AC_SUBST(stage1_languages) 2024 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2025fi 2026 2027# Handle --disable-<component> generically. 2028for dir in $configdirs $build_configdirs $target_configdirs ; do 2029 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2030 varname=`echo $dirname | sed -e s/+/_/g` 2031 if eval test x\${enable_${varname}} "=" xno ; then 2032 noconfigdirs="$noconfigdirs $dir" 2033 fi 2034done 2035 2036# Check for Boehm's garbage collector 2037AC_ARG_ENABLE(objc-gc, 2038[AS_HELP_STRING([--enable-objc-gc], 2039 [enable use of Boehm's garbage collector with the 2040 GNU Objective-C runtime])], 2041[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2042 *,objc,*:*:yes:*target-boehm-gc*) 2043 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2044 ;; 2045esac]) 2046 2047# Make sure we only build Boehm's garbage collector if required. 2048case ,${enable_languages},:${enable_objc_gc} in 2049 *,objc,*:yes) 2050 # Keep target-boehm-gc if requested for Objective-C. 2051 ;; 2052 *) 2053 # Otherwise remove target-boehm-gc depending on target-libjava. 2054 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2055 noconfigdirs="$noconfigdirs target-boehm-gc" 2056 fi 2057 ;; 2058esac 2059 2060# Disable libitm, libsanitizer, libvtv if we're not building C++ 2061case ,${enable_languages}, in 2062 *,c++,*) ;; 2063 *) 2064 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv" 2065 ;; 2066esac 2067 2068# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2069# $build_configdirs and $target_configdirs. 2070# If we have the source for $noconfigdirs entries, add them to $notsupp. 2071 2072notsupp="" 2073for dir in . $skipdirs $noconfigdirs ; do 2074 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2075 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2076 configdirs=`echo " ${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 2085 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2086 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2087 if test -r $srcdir/$dirname/configure ; then 2088 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2089 true 2090 else 2091 notsupp="$notsupp $dir" 2092 fi 2093 fi 2094 fi 2095 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2096 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2097 if test -r $srcdir/$dirname/configure ; then 2098 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2099 true 2100 else 2101 notsupp="$notsupp $dir" 2102 fi 2103 fi 2104 fi 2105done 2106 2107# Quietly strip out all directories which aren't configurable in this tree. 2108# This relies on all configurable subdirectories being autoconfiscated, which 2109# is now the case. 2110build_configdirs_all="$build_configdirs" 2111build_configdirs= 2112for i in ${build_configdirs_all} ; do 2113 j=`echo $i | sed -e s/build-//g` 2114 if test -f ${srcdir}/$j/configure ; then 2115 build_configdirs="${build_configdirs} $i" 2116 fi 2117done 2118 2119configdirs_all="$configdirs" 2120configdirs= 2121for i in ${configdirs_all} ; do 2122 if test -f ${srcdir}/$i/configure ; then 2123 configdirs="${configdirs} $i" 2124 fi 2125done 2126 2127target_configdirs_all="$target_configdirs" 2128target_configdirs= 2129for i in ${target_configdirs_all} ; do 2130 j=`echo $i | sed -e s/target-//g` 2131 if test -f ${srcdir}/$j/configure ; then 2132 target_configdirs="${target_configdirs} $i" 2133 fi 2134done 2135 2136# Produce a warning message for the subdirs we can't configure. 2137# This isn't especially interesting in the Cygnus tree, but in the individual 2138# FSF releases, it's important to let people know when their machine isn't 2139# supported by the one or two programs in a package. 2140 2141if test -n "${notsupp}" && test -z "${norecursion}" ; then 2142 # If $appdirs is non-empty, at least one of those directories must still 2143 # be configured, or we error out. (E.g., if the gas release supports a 2144 # specified target in some subdirs but not the gas subdir, we shouldn't 2145 # pretend that all is well.) 2146 if test -n "$appdirs" ; then 2147 for dir in $appdirs ; do 2148 if test -r $dir/Makefile.in ; then 2149 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2150 appdirs="" 2151 break 2152 fi 2153 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2154 appdirs="" 2155 break 2156 fi 2157 fi 2158 done 2159 if test -n "$appdirs" ; then 2160 echo "*** This configuration is not supported by this package." 1>&2 2161 exit 1 2162 fi 2163 fi 2164 # Okay, some application will build, or we don't care to check. Still 2165 # notify of subdirs not getting built. 2166 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2167 echo " ${notsupp}" 1>&2 2168 echo " (Any other directories should still work fine.)" 1>&2 2169fi 2170 2171case "$host" in 2172 *msdosdjgpp*) 2173 enable_gdbtk=no ;; 2174esac 2175 2176# To find our prefix, in gcc_cv_tool_prefix. 2177ACX_TOOL_DIRS 2178 2179copy_dirs= 2180 2181AC_ARG_WITH([build-sysroot], 2182 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2183 [use sysroot as the system root during the build])], 2184 [if test x"$withval" != x ; then 2185 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2186 fi], 2187 [SYSROOT_CFLAGS_FOR_TARGET=]) 2188AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2189 2190AC_ARG_WITH([debug-prefix-map], 2191 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2192 [map A to B, C to D ... in debug information])], 2193 [if test x"$withval" != x; then 2194 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2195 for debug_map in $withval; do 2196 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2197 done 2198 fi], 2199 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2200AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2201 2202# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2203# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2204# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2205# We want to ensure that TARGET libraries (which we know are built with 2206# gcc) are built with "-O2 -g", so include those options when setting 2207# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2208if test "x$CFLAGS_FOR_TARGET" = x; then 2209 CFLAGS_FOR_TARGET=$CFLAGS 2210 case " $CFLAGS " in 2211 *" -O2 "*) ;; 2212 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2213 esac 2214 case " $CFLAGS " in 2215 *" -g "* | *" -g3 "*) ;; 2216 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2217 esac 2218fi 2219AC_SUBST(CFLAGS_FOR_TARGET) 2220 2221if test "x$CXXFLAGS_FOR_TARGET" = x; then 2222 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2223 case " $CXXFLAGS " in 2224 *" -O2 "*) ;; 2225 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2226 esac 2227 case " $CXXFLAGS " in 2228 *" -g "* | *" -g3 "*) ;; 2229 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2230 esac 2231fi 2232AC_SUBST(CXXFLAGS_FOR_TARGET) 2233 2234AC_SUBST(LDFLAGS_FOR_TARGET) 2235 2236# Handle --with-headers=XXX. If the value is not "yes", the contents of 2237# the named directory are copied to $(tooldir)/sys-include. 2238if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2239 if test x${is_cross_compiler} = xno ; then 2240 echo 1>&2 '***' --with-headers is only supported when cross compiling 2241 exit 1 2242 fi 2243 if test x"${with_headers}" != xyes ; then 2244 x=${gcc_cv_tool_prefix} 2245 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2246 fi 2247fi 2248 2249# Handle --with-libs=XXX. If the value is not "yes", the contents of 2250# the name directories are copied to $(tooldir)/lib. Multiple directories 2251# are permitted. 2252if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2253 if test x${is_cross_compiler} = xno ; then 2254 echo 1>&2 '***' --with-libs is only supported when cross compiling 2255 exit 1 2256 fi 2257 if test x"${with_libs}" != xyes ; then 2258 # Copy the libraries in reverse order, so that files in the first named 2259 # library override files in subsequent libraries. 2260 x=${gcc_cv_tool_prefix} 2261 for l in ${with_libs}; do 2262 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2263 done 2264 fi 2265fi 2266 2267# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2268# 2269# This is done by determining whether or not the appropriate directory 2270# is available, and by checking whether or not specific configurations 2271# have requested that this magic not happen. 2272# 2273# The command line options always override the explicit settings in 2274# configure.in, and the settings in configure.in override this magic. 2275# 2276# If the default for a toolchain is to use GNU as and ld, and you don't 2277# want to do that, then you should use the --without-gnu-as and 2278# --without-gnu-ld options for the configure script. Similarly, if 2279# the default is to use the included zlib and you don't want to do that, 2280# you should use the --with-system-zlib option for the configure script. 2281 2282if test x${use_gnu_as} = x && 2283 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2284 with_gnu_as=yes 2285 extra_host_args="$extra_host_args --with-gnu-as" 2286fi 2287 2288if test x${use_gnu_ld} = x && 2289 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2290 with_gnu_ld=yes 2291 extra_host_args="$extra_host_args --with-gnu-ld" 2292fi 2293 2294if test x${use_included_zlib} = x && 2295 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2296 : 2297else 2298 with_system_zlib=yes 2299 extra_host_args="$extra_host_args --with-system-zlib" 2300fi 2301 2302# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2303# can detect this case. 2304 2305if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2306 with_newlib=yes 2307 extra_host_args="$extra_host_args --with-newlib" 2308fi 2309 2310# Handle ${copy_dirs} 2311set fnord ${copy_dirs} 2312shift 2313while test $# != 0 ; do 2314 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2315 : 2316 else 2317 echo Copying $1 to $2 2318 2319 # Use the install script to create the directory and all required 2320 # parent directories. 2321 if test -d $2 ; then 2322 : 2323 else 2324 echo >config.temp 2325 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2326 fi 2327 2328 # Copy the directory, assuming we have tar. 2329 # FIXME: Should we use B in the second tar? Not all systems support it. 2330 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2331 2332 # It is the responsibility of the user to correctly adjust all 2333 # symlinks. If somebody can figure out how to handle them correctly 2334 # here, feel free to add the code. 2335 2336 echo $1 > $2/COPIED 2337 fi 2338 shift; shift 2339done 2340 2341# Determine a target-dependent exec_prefix that the installed 2342# gcc will search in. Keep this list sorted by triplet, with 2343# the *-*-osname triplets last. 2344md_exec_prefix= 2345case "${target}" in 2346 i[[34567]]86-pc-msdosdjgpp*) 2347 md_exec_prefix=/dev/env/DJDIR/bin 2348 ;; 2349 *-*-hpux* | \ 2350 *-*-nto-qnx* | \ 2351 *-*-solaris2*) 2352 md_exec_prefix=/usr/ccs/bin 2353 ;; 2354esac 2355 2356extra_arflags_for_target= 2357extra_nmflags_for_target= 2358extra_ranlibflags_for_target= 2359target_makefile_frag=/dev/null 2360case "${target}" in 2361 spu-*-*) 2362 target_makefile_frag="config/mt-spu" 2363 ;; 2364 mips*-sde-elf* | mips*-mti-elf*) 2365 target_makefile_frag="config/mt-sde" 2366 ;; 2367 mipsisa*-*-elfoabi*) 2368 target_makefile_frag="config/mt-mips-elfoabi" 2369 ;; 2370 mips*-*-*linux* | mips*-*-gnu*) 2371 target_makefile_frag="config/mt-mips-gnu" 2372 ;; 2373 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2374 target_makefile_frag="config/mt-gnu" 2375 ;; 2376 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2377 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2378 # commands to handle both 32-bit and 64-bit objects. These flags are 2379 # harmless if we're using GNU nm or ar. 2380 extra_arflags_for_target=" -X32_64" 2381 extra_nmflags_for_target=" -B -X32_64" 2382 ;; 2383esac 2384 2385alphaieee_frag=/dev/null 2386case $target in 2387 alpha*-*-*) 2388 # This just makes sure to use the -mieee option to build target libs. 2389 # This should probably be set individually by each library. 2390 alphaieee_frag="config/mt-alphaieee" 2391 ;; 2392esac 2393 2394# If --enable-target-optspace always use -Os instead of -O2 to build 2395# the target libraries, similarly if it is not specified, use -Os 2396# on selected platforms. 2397ospace_frag=/dev/null 2398case "${enable_target_optspace}:${target}" in 2399 yes:*) 2400 ospace_frag="config/mt-ospace" 2401 ;; 2402 :d30v-*) 2403 ospace_frag="config/mt-d30v" 2404 ;; 2405 :m32r-* | :d10v-* | :fr30-*) 2406 ospace_frag="config/mt-ospace" 2407 ;; 2408 no:* | :*) 2409 ;; 2410 *) 2411 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2412 ;; 2413esac 2414 2415# Some systems (e.g., one of the i386-aix systems the gas testers are 2416# using) don't handle "\$" correctly, so don't use it here. 2417tooldir='${exec_prefix}'/${target_noncanonical} 2418build_tooldir=${tooldir} 2419 2420# Create a .gdbinit file which runs the one in srcdir 2421# and tells GDB to look there for source files. 2422 2423if test -r ${srcdir}/.gdbinit ; then 2424 case ${srcdir} in 2425 .) ;; 2426 *) cat > ./.gdbinit <<EOF 2427# ${NO_EDIT} 2428dir ${srcdir} 2429dir . 2430source ${srcdir}/.gdbinit 2431EOF 2432 ;; 2433 esac 2434fi 2435 2436# Make sure that the compiler is able to generate an executable. If it 2437# can't, we are probably in trouble. We don't care whether we can run the 2438# executable--we might be using a cross compiler--we only care whether it 2439# can be created. At this point the main configure script has set CC. 2440we_are_ok=no 2441echo "int main () { return 0; }" > conftest.c 2442${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2443if test $? = 0 ; then 2444 if test -s conftest || test -s conftest.exe ; then 2445 we_are_ok=yes 2446 fi 2447fi 2448case $we_are_ok in 2449 no) 2450 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2451 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2452 rm -f conftest* 2453 exit 1 2454 ;; 2455esac 2456rm -f conftest* 2457 2458# Decide which environment variable is used to find dynamic libraries. 2459case "${host}" in 2460 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2461 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2462 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2463 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2464esac 2465 2466# On systems where the dynamic library environment variable is PATH, 2467# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2468# built executables to PATH. 2469if test "$RPATH_ENVVAR" = PATH; then 2470 GCC_SHLIB_SUBDIR=/shlib 2471else 2472 GCC_SHLIB_SUBDIR= 2473fi 2474 2475# Record target_configdirs and the configure arguments for target and 2476# build configuration in Makefile. 2477target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2478build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2479 2480# If we are building libgomp, bootstrap it. 2481if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2482 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2483fi 2484 2485# If we are building libsanitizer, bootstrap it. 2486if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then 2487 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2488fi 2489 2490# If we are building libvtv, bootstrap it. 2491if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then 2492 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2493fi 2494 2495# Determine whether gdb needs tk/tcl or not. 2496# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2497# and in that case we want gdb to be built without tk. Ugh! 2498# In fact I believe gdb is the *only* package directly dependent on tk, 2499# so we should be able to put the 'maybe's in unconditionally and 2500# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2501# 100% sure that that's safe though. 2502 2503gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2504case "$enable_gdbtk" in 2505 no) 2506 GDB_TK="" ;; 2507 yes) 2508 GDB_TK="${gdb_tk}" ;; 2509 *) 2510 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2511 # distro. Eventually someone will fix this and move Insight, nee 2512 # gdbtk to a separate directory. 2513 if test -d ${srcdir}/gdb/gdbtk ; then 2514 GDB_TK="${gdb_tk}" 2515 else 2516 GDB_TK="" 2517 fi 2518 ;; 2519esac 2520CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2521INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2522 2523# Strip out unwanted targets. 2524 2525# While at that, we remove Makefiles if we were started for recursive 2526# configuration, so that the top-level Makefile reconfigures them, 2527# like we used to do when configure itself was recursive. 2528 2529# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2530# but now we're fixing up the Makefile ourselves with the additional 2531# commands passed to AC_CONFIG_FILES. Use separate variables 2532# extrasub-{build,host,target} not because there is any reason to split 2533# the substitutions up that way, but only to remain below the limit of 2534# 99 commands in a script, for HP-UX sed. 2535# Do not nest @if/@endif pairs, because configure will not warn you at all. 2536 2537case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2538 yes:yes:*\ gold\ *:*,c++,*) ;; 2539 yes:yes:*\ gold\ *:*) 2540 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2541 ;; 2542esac 2543 2544# Adjust the toplevel makefile according to whether bootstrap was selected. 2545case $enable_bootstrap in 2546 yes) 2547 bootstrap_suffix=bootstrap 2548 BUILD_CONFIG=bootstrap-debug 2549 ;; 2550 no) 2551 bootstrap_suffix=no-bootstrap 2552 BUILD_CONFIG= 2553 ;; 2554esac 2555 2556AC_MSG_CHECKING(for default BUILD_CONFIG) 2557 2558AC_ARG_WITH([build-config], 2559 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2560 [use config/NAME.mk build configuration])], 2561 [case $with_build_config in 2562 yes) with_build_config= ;; 2563 no) with_build_config= BUILD_CONFIG= ;; 2564 esac]) 2565 2566if test "x${with_build_config}" != x; then 2567 BUILD_CONFIG=$with_build_config 2568else 2569 case $BUILD_CONFIG in 2570 bootstrap-debug) 2571 if echo "int f (void) { return 0; }" > conftest.c && 2572 ${CC} -c conftest.c && 2573 mv conftest.o conftest.o.g0 && 2574 ${CC} -c -g conftest.c && 2575 mv conftest.o conftest.o.g && 2576 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2577 : 2578 else 2579 BUILD_CONFIG= 2580 fi 2581 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2582 ;; 2583 esac 2584fi 2585AC_MSG_RESULT($BUILD_CONFIG) 2586AC_SUBST(BUILD_CONFIG) 2587 2588extrasub_build= 2589for module in ${build_configdirs} ; do 2590 if test -z "${no_recursion}" \ 2591 && test -f ${build_subdir}/${module}/Makefile; then 2592 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2593 rm -f ${build_subdir}/${module}/Makefile 2594 fi 2595 extrasub_build="$extrasub_build 2596/^@if build-$module\$/d 2597/^@endif build-$module\$/d 2598/^@if build-$module-$bootstrap_suffix\$/d 2599/^@endif build-$module-$bootstrap_suffix\$/d" 2600done 2601extrasub_host= 2602for module in ${configdirs} ; do 2603 if test -z "${no_recursion}"; then 2604 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2605 if test -f ${file}; then 2606 echo 1>&2 "*** removing ${file} to force reconfigure" 2607 rm -f ${file} 2608 fi 2609 done 2610 fi 2611 extrasub_host="$extrasub_host 2612/^@if $module\$/d 2613/^@endif $module\$/d 2614/^@if $module-$bootstrap_suffix\$/d 2615/^@endif $module-$bootstrap_suffix\$/d" 2616done 2617extrasub_target= 2618for module in ${target_configdirs} ; do 2619 if test -z "${no_recursion}" \ 2620 && test -f ${target_subdir}/${module}/Makefile; then 2621 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2622 rm -f ${target_subdir}/${module}/Makefile 2623 fi 2624 2625 # We only bootstrap target libraries listed in bootstrap_target_libs. 2626 case $bootstrap_target_libs in 2627 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2628 *) target_bootstrap_suffix=no-bootstrap ;; 2629 esac 2630 2631 extrasub_target="$extrasub_target 2632/^@if target-$module\$/d 2633/^@endif target-$module\$/d 2634/^@if target-$module-$target_bootstrap_suffix\$/d 2635/^@endif target-$module-$target_bootstrap_suffix\$/d" 2636done 2637 2638# Do the final fixup along with target modules. 2639extrasub_target="$extrasub_target 2640/^@if /,/^@endif /d" 2641 2642# Create the serialization dependencies. This uses a temporary file. 2643 2644AC_ARG_ENABLE([serial-configure], 2645[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2646 [force sequential configuration of 2647 sub-packages for the host, target or build 2648 machine, or all sub-packages])]) 2649 2650case ${enable_serial_configure} in 2651 yes) 2652 enable_serial_build_configure=yes 2653 enable_serial_host_configure=yes 2654 enable_serial_target_configure=yes 2655 ;; 2656esac 2657 2658# These force 'configure's to be done one at a time, to avoid problems 2659# with contention over a shared config.cache. 2660rm -f serdep.tmp 2661echo '# serdep.tmp' > serdep.tmp 2662olditem= 2663test "x${enable_serial_build_configure}" = xyes && 2664for item in ${build_configdirs} ; do 2665 case ${olditem} in 2666 "") ;; 2667 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2668 esac 2669 olditem=${item} 2670done 2671olditem= 2672test "x${enable_serial_host_configure}" = xyes && 2673for item in ${configdirs} ; do 2674 case ${olditem} in 2675 "") ;; 2676 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2677 esac 2678 olditem=${item} 2679done 2680olditem= 2681test "x${enable_serial_target_configure}" = xyes && 2682for item in ${target_configdirs} ; do 2683 case ${olditem} in 2684 "") ;; 2685 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2686 esac 2687 olditem=${item} 2688done 2689serialization_dependencies=serdep.tmp 2690AC_SUBST_FILE(serialization_dependencies) 2691 2692# Base args. Strip norecursion, cache-file, srcdir, host, build, 2693# target, nonopt, and variable assignments. These are the ones we 2694# might not want to pass down to subconfigures. The exception being 2695# --cache-file=/dev/null, which is used to turn off the use of cache 2696# files altogether, and which should be passed on to subconfigures. 2697# Also strip program-prefix, program-suffix, and program-transform-name, 2698# so that we can pass down a consistent program-transform-name. 2699baseargs= 2700tbaseargs= 2701keep_next=no 2702skip_next=no 2703eval "set -- $ac_configure_args" 2704for ac_arg 2705do 2706 if test X"$skip_next" = X"yes"; then 2707 skip_next=no 2708 continue 2709 fi 2710 if test X"$keep_next" = X"yes"; then 2711 case $ac_arg in 2712 *\'*) 2713 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2714 esac 2715 baseargs="$baseargs '$ac_arg'" 2716 tbaseargs="$tbaseargs '$ac_arg'" 2717 keep_next=no 2718 continue 2719 fi 2720 2721 # Handle separated arguments. Based on the logic generated by 2722 # autoconf 2.59. 2723 case $ac_arg in 2724 *=* | --config-cache | -C | -disable-* | --disable-* \ 2725 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2726 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2727 | -with-* | --with-* | -without-* | --without-* | --x) 2728 separate_arg=no 2729 ;; 2730 -*) 2731 separate_arg=yes 2732 ;; 2733 *) 2734 separate_arg=no 2735 ;; 2736 esac 2737 2738 skip_targ=no 2739 case $ac_arg in 2740changequote(,) 2741 --with-* | --without-*) 2742 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2743 2744 case $libopt in 2745 *[-_]include) 2746 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2747 ;; 2748 *[-_]lib) 2749 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2750 ;; 2751 *) 2752 lib=$libopt 2753 ;; 2754 esac 2755changequote([,]) 2756 2757 case $lib in 2758 mpc | mpfr | gmp | cloog) 2759 # If we're processing --with-$lib, --with-$lib-include or 2760 # --with-$lib-lib, for one of the libs above, and target is 2761 # different from host, don't pass the current argument to any 2762 # target library's configure. 2763 if test x$is_cross_compiler = xyes; then 2764 skip_targ=yes 2765 fi 2766 ;; 2767 esac 2768 ;; 2769 esac 2770 2771 case "$ac_arg" in 2772 --cache-file=/dev/null | \ 2773 -cache-file=/dev/null ) 2774 # Handled here to avoid the test to skip args below. 2775 baseargs="$baseargs '$ac_arg'" 2776 tbaseargs="$tbaseargs '$ac_arg'" 2777 # Assert: $separate_arg should always be no. 2778 keep_next=$separate_arg 2779 ;; 2780 --no*) 2781 continue 2782 ;; 2783 --c* | \ 2784 --sr* | \ 2785 --ho* | \ 2786 --bu* | \ 2787 --t* | \ 2788 --program-* | \ 2789 -cache_file* | \ 2790 -srcdir* | \ 2791 -host* | \ 2792 -build* | \ 2793 -target* | \ 2794 -program-prefix* | \ 2795 -program-suffix* | \ 2796 -program-transform-name* ) 2797 skip_next=$separate_arg 2798 continue 2799 ;; 2800 -*) 2801 # An option. Add it. 2802 case $ac_arg in 2803 *\'*) 2804 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2805 esac 2806 baseargs="$baseargs '$ac_arg'" 2807 if test X"$skip_targ" = Xno; then 2808 tbaseargs="$tbaseargs '$ac_arg'" 2809 fi 2810 keep_next=$separate_arg 2811 ;; 2812 *) 2813 # Either a variable assignment, or a nonopt (triplet). Don't 2814 # pass it down; let the Makefile handle this. 2815 continue 2816 ;; 2817 esac 2818done 2819# Remove the initial space we just introduced and, as these will be 2820# expanded by make, quote '$'. 2821baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2822 2823# Add in --program-transform-name, after --program-prefix and 2824# --program-suffix have been applied to it. Autoconf has already 2825# doubled dollar signs and backslashes in program_transform_name; we want 2826# the backslashes un-doubled, and then the entire thing wrapped in single 2827# quotes, because this will be expanded first by make and then by the shell. 2828# Also, because we want to override the logic in subdir configure scripts to 2829# choose program_transform_name, replace any s,x,x, with s,y,y,. 2830sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2831${program_transform_name} 2832EOF_SED 2833gcc_transform_name=`cat conftestsed.out` 2834rm -f conftestsed.out 2835baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2836tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 2837if test "$silent" = yes; then 2838 baseargs="$baseargs --silent" 2839 tbaseargs="$tbaseargs --silent" 2840fi 2841baseargs="$baseargs --disable-option-checking" 2842tbaseargs="$tbaseargs --disable-option-checking" 2843 2844# Record and document user additions to sub configure arguments. 2845AC_ARG_VAR([build_configargs], 2846 [additional configure arguments for build directories]) 2847AC_ARG_VAR([host_configargs], 2848 [additional configure arguments for host directories]) 2849AC_ARG_VAR([target_configargs], 2850 [additional configure arguments for target directories]) 2851 2852# For the build-side libraries, we just need to pretend we're native, 2853# and not use the same cache file. Multilibs are neither needed nor 2854# desired. 2855build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}" 2856 2857# For host modules, accept cache file option, or specification as blank. 2858case "${cache_file}" in 2859"") # empty 2860 cache_file_option="" ;; 2861/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 2862 cache_file_option="--cache-file=${cache_file}" ;; 2863*) # relative path 2864 cache_file_option="--cache-file=../${cache_file}" ;; 2865esac 2866 2867# Host dirs don't like to share a cache file either, horribly enough. 2868# This seems to be due to autoconf 2.5x stupidity. 2869host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 2870 2871target_configargs="$target_configargs ${tbaseargs}" 2872 2873# Passing a --with-cross-host argument lets the target libraries know 2874# whether they are being built with a cross-compiler or being built 2875# native. However, it would be better to use other mechanisms to make the 2876# sorts of decisions they want to make on this basis. Please consider 2877# this option to be deprecated. FIXME. 2878if test x${is_cross_compiler} = xyes ; then 2879 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 2880fi 2881 2882# Special user-friendly check for native x86_64-linux build, if 2883# multilib is not explicitly enabled. 2884case "$target:$have_compiler:$host:$target:$enable_multilib" in 2885 x86_64-*linux*:yes:$build:$build:) 2886 # Make sure we have a developement environment that handles 32-bit 2887 dev64=no 2888 echo "int main () { return 0; }" > conftest.c 2889 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2890 if test $? = 0 ; then 2891 if test -s conftest || test -s conftest.exe ; then 2892 dev64=yes 2893 fi 2894 fi 2895 rm -f conftest* 2896 if test x${dev64} != xyes ; then 2897 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 2898 fi 2899 ;; 2900esac 2901 2902# Default to --enable-multilib. 2903if test x${enable_multilib} = x ; then 2904 target_configargs="--enable-multilib ${target_configargs}" 2905fi 2906 2907# Pass --with-newlib if appropriate. Note that target_configdirs has 2908# changed from the earlier setting of with_newlib. 2909if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 2910 target_configargs="--with-newlib ${target_configargs}" 2911fi 2912 2913# Different target subdirs use different values of certain variables 2914# (notably CXX). Worse, multilibs use *lots* of different values. 2915# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 2916# it doesn't automatically accept command-line overrides of them. 2917# This means it's not safe for target subdirs to share a cache file, 2918# which is disgusting, but there you have it. Hopefully this can be 2919# fixed in future. It's still worthwhile to use a cache file for each 2920# directory. I think. 2921 2922# Pass the appropriate --build, --host, --target and --cache-file arguments. 2923# We need to pass --target, as newer autoconf's requires consistency 2924# for target_alias and gcc doesn't manage it consistently. 2925target_configargs="--cache-file=./config.cache ${target_configargs}" 2926 2927FLAGS_FOR_TARGET= 2928case " $target_configdirs " in 2929 *" newlib "*) 2930 case " $target_configargs " in 2931 *" --with-newlib "*) 2932 case "$target" in 2933 *-cygwin*) 2934 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 2935 ;; 2936 esac 2937 2938 # If we're not building GCC, don't discard standard headers. 2939 if test -d ${srcdir}/gcc; then 2940 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 2941 2942 if test "${build}" != "${host}"; then 2943 # On Canadian crosses, CC_FOR_TARGET will have already been set 2944 # by `configure', so we won't have an opportunity to add -Bgcc/ 2945 # to it. This is right: we don't want to search that directory 2946 # for binaries, but we want the header files in there, so add 2947 # them explicitly. 2948 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 2949 2950 # Someone might think of using the pre-installed headers on 2951 # Canadian crosses, in case the installed compiler is not fully 2952 # compatible with the compiler being built. In this case, it 2953 # would be better to flag an error than risking having 2954 # incompatible object files being constructed. We can't 2955 # guarantee that an error will be flagged, but let's hope the 2956 # compiler will do it, when presented with incompatible header 2957 # files. 2958 fi 2959 fi 2960 2961 case "${target}-${is_cross_compiler}" in 2962 i[[3456789]]86-*-linux*-no) 2963 # Here host == target, so we don't need to build gcc, 2964 # so we don't want to discard standard headers. 2965 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 2966 ;; 2967 *) 2968 # If we're building newlib, use its generic headers last, but search 2969 # for any libc-related directories first (so make it the last -B 2970 # switch). 2971 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 2972 2973 # If we're building libgloss, find the startup file, simulator library 2974 # and linker script. 2975 case " $target_configdirs " in 2976 *" libgloss "*) 2977 # Look for startup file, simulator library and maybe linker script. 2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 2979 # Look for libnosys.a in case the target needs it. 2980 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 2981 # Most targets have the linker script in the source directory. 2982 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 2983 ;; 2984 esac 2985 ;; 2986 esac 2987 ;; 2988 esac 2989 ;; 2990esac 2991 2992case "$target" in 2993 x86_64-*mingw* | *-w64-mingw*) 2994 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 2995 # however, use a symlink named 'mingw' in ${prefix} . 2996 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 2997 ;; 2998 *-mingw*) 2999 # MinGW can't be handled as Cygwin above since it does not use newlib. 3000 FLAGS_FOR_TARGET=$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' 3001 ;; 3002esac 3003 3004# Allow the user to override the flags for 3005# our build compiler if desired. 3006if test x"${build}" = x"${host}" ; then 3007 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3008 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3009 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3010fi 3011 3012# On Canadian crosses, we'll be searching the right directories for 3013# the previously-installed cross compiler, so don't bother to add 3014# flags for directories within the install tree of the compiler 3015# being built; programs in there won't even run. 3016if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3017 # Search for pre-installed headers if nothing else fits. 3018 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3019fi 3020 3021if test "x${use_gnu_ld}" = x && 3022 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3023 # Arrange for us to find uninstalled linker scripts. 3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3025fi 3026 3027# Search for other target-specific linker scripts and such. 3028case "${target}" in 3029 mep*) 3030 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3031 ;; 3032esac 3033 3034# Makefile fragments. 3035for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3036do 3037 eval fragval=\$$frag 3038 if test $fragval != /dev/null; then 3039 eval $frag=${srcdir}/$fragval 3040 fi 3041done 3042AC_SUBST_FILE(host_makefile_frag) 3043AC_SUBST_FILE(target_makefile_frag) 3044AC_SUBST_FILE(alphaieee_frag) 3045AC_SUBST_FILE(ospace_frag) 3046 3047# Miscellanea: directories, flags, etc. 3048AC_SUBST(RPATH_ENVVAR) 3049AC_SUBST(GCC_SHLIB_SUBDIR) 3050AC_SUBST(tooldir) 3051AC_SUBST(build_tooldir) 3052AC_SUBST(CONFIGURE_GDB_TK) 3053AC_SUBST(GDB_TK) 3054AC_SUBST(INSTALL_GDB_TK) 3055 3056# Build module lists & subconfigure args. 3057AC_SUBST(build_configargs) 3058AC_SUBST(build_configdirs) 3059 3060# Host module lists & subconfigure args. 3061AC_SUBST(host_configargs) 3062AC_SUBST(configdirs) 3063AC_SUBST(target_configdirs) 3064 3065# Target module lists & subconfigure args. 3066AC_SUBST(target_configargs) 3067 3068 3069# Build tools. 3070AC_SUBST(AR_FOR_BUILD) 3071AC_SUBST(AS_FOR_BUILD) 3072AC_SUBST(CC_FOR_BUILD) 3073AC_SUBST(CFLAGS_FOR_BUILD) 3074AC_SUBST(CXXFLAGS_FOR_BUILD) 3075AC_SUBST(CXX_FOR_BUILD) 3076AC_SUBST(DLLTOOL_FOR_BUILD) 3077AC_SUBST(GCJ_FOR_BUILD) 3078AC_SUBST(GFORTRAN_FOR_BUILD) 3079AC_SUBST(GOC_FOR_BUILD) 3080AC_SUBST(LDFLAGS_FOR_BUILD) 3081AC_SUBST(LD_FOR_BUILD) 3082AC_SUBST(NM_FOR_BUILD) 3083AC_SUBST(RANLIB_FOR_BUILD) 3084AC_SUBST(WINDMC_FOR_BUILD) 3085AC_SUBST(WINDRES_FOR_BUILD) 3086 3087# Generate default definitions for YACC, M4, LEX and other programs that run 3088# on the build machine. These are used if the Makefile can't locate these 3089# programs in objdir. 3090MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3091 3092AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3093case " $build_configdirs " in 3094 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3095esac 3096 3097AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3098case " $build_configdirs " in 3099 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3100esac 3101 3102AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3103case " $build_configdirs " in 3104 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3105esac 3106 3107AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3108case " $build_configdirs " in 3109 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3110 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3111esac 3112 3113AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3114case " $build_configdirs " in 3115 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3116esac 3117 3118AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3119case " $build_configdirs " in 3120 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3121 *) 3122changequote(,) 3123 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3124 # higher, else we use the "missing" dummy. 3125 if ${MAKEINFO} --version \ 3126 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3127 : 3128 else 3129 MAKEINFO="$MISSING makeinfo" 3130 fi 3131 ;; 3132changequote([,]) 3133esac 3134 3135# FIXME: expect and dejagnu may become build tools? 3136 3137AC_CHECK_PROGS(EXPECT, expect, expect) 3138case " $configdirs " in 3139 *" expect "*) 3140 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3141 ;; 3142esac 3143 3144AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3145case " $configdirs " in 3146 *" dejagnu "*) 3147 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3148 ;; 3149esac 3150 3151 3152# Host tools. 3153NCN_STRICT_CHECK_TOOLS(AR, ar) 3154NCN_STRICT_CHECK_TOOLS(AS, as) 3155NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3156NCN_STRICT_CHECK_TOOLS(LD, ld) 3157NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3158NCN_STRICT_CHECK_TOOLS(NM, nm) 3159NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3160NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3161NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3162NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3163NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3164NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3165NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3166AC_SUBST(CC) 3167AC_SUBST(CXX) 3168AC_SUBST(CFLAGS) 3169AC_SUBST(CXXFLAGS) 3170 3171# Target tools. 3172AC_ARG_WITH([build-time-tools], 3173 [AS_HELP_STRING([--with-build-time-tools=PATH], 3174 [use given path to find target tools during the build])], 3175 [case x"$withval" in 3176 x/*) ;; 3177 *) 3178 with_build_time_tools= 3179 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3180 ;; 3181 esac], 3182 [with_build_time_tools=]) 3183 3184NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3185NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3186NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3187NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3188NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3189NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3190 3191ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3192ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3193ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3194ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3195ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3196ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3197ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3198ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3199ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3200ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3201ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3202ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3203 3204RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3205 3206GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3207GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3208GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3209dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3210GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3211 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3212 c++) 3213GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3214 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3215 c++) 3216GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3217GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3218GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3219 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3220GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3221 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3222GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3223 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3224GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3225GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3226GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3227GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3228GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3229GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3230GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3231GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3232GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3233 3234AC_SUBST(FLAGS_FOR_TARGET) 3235AC_SUBST(RAW_CXX_FOR_TARGET) 3236 3237# Certain tools may need extra flags. 3238AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3239RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3240NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3241 3242# When building target libraries, except in a Canadian cross, we use 3243# the same toolchain as the compiler we just built. 3244COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3245COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3246COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3247if test $host = $build; then 3248 case " $configdirs " in 3249 *" gcc "*) 3250 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3251 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3252 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3253 ;; 3254 esac 3255fi 3256 3257AC_SUBST(COMPILER_AS_FOR_TARGET) 3258AC_SUBST(COMPILER_LD_FOR_TARGET) 3259AC_SUBST(COMPILER_NM_FOR_TARGET) 3260 3261AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3262AC_ARG_ENABLE(maintainer-mode, 3263[AS_HELP_STRING([--enable-maintainer-mode], 3264 [enable make rules and dependencies not useful 3265 (and sometimes confusing) to the casual installer])], 3266 USE_MAINTAINER_MODE=$enableval, 3267 USE_MAINTAINER_MODE=no) 3268AC_MSG_RESULT($USE_MAINTAINER_MODE) 3269AC_SUBST(MAINTAINER_MODE_TRUE) 3270AC_SUBST(MAINTAINER_MODE_FALSE) 3271if test "$USE_MAINTAINER_MODE" = yes; then 3272 MAINTAINER_MODE_TRUE= 3273 MAINTAINER_MODE_FALSE='#' 3274else 3275 MAINTAINER_MODE_TRUE='#' 3276 MAINTAINER_MODE_FALSE= 3277fi 3278MAINT=$MAINTAINER_MODE_TRUE 3279AC_SUBST(MAINT)dnl 3280 3281# --------------------- 3282# GCC bootstrap support 3283# --------------------- 3284 3285# Stage specific cflags for build. 3286stage1_cflags="-g" 3287case $build in 3288 vax-*-*) 3289 case ${GCC} in 3290 yes) stage1_cflags="-g -Wa,-J" ;; 3291 *) stage1_cflags="-g -J" ;; 3292 esac ;; 3293esac 3294 3295AC_SUBST(stage1_cflags) 3296 3297# Enable --enable-checking in stage1 of the compiler. 3298AC_ARG_ENABLE(stage1-checking, 3299[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3300 [choose additional checking for stage1 of the compiler])], 3301[stage1_checking=--enable-checking=${enable_stage1_checking}], 3302[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3303 stage1_checking=--enable-checking=yes,types 3304else 3305 stage1_checking=--enable-checking=$enable_checking,types 3306fi]) 3307AC_SUBST(stage1_checking) 3308 3309# Enable -Werror in bootstrap stage2 and later. 3310AC_ARG_ENABLE(werror, 3311[AS_HELP_STRING([--enable-werror], 3312 [enable -Werror in bootstrap stage2 and later])], [], 3313[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3314 enable_werror=yes 3315else 3316 enable_werror=no 3317fi]) 3318case ${enable_werror} in 3319 yes) stage2_werror_flag="--enable-werror-always" ;; 3320 *) stage2_werror_flag="" ;; 3321esac 3322AC_SUBST(stage2_werror_flag) 3323 3324# Enable --enable-host-shared. 3325AC_ARG_ENABLE(host-shared, 3326[AS_HELP_STRING([--enable-host-shared], 3327 [build host code as shared libraries])], 3328[host_shared=$enableval], [host_shared=no]) 3329AC_SUBST(host_shared) 3330 3331# Specify what files to not compare during bootstrap. 3332 3333compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3334case "$target" in 3335 hppa*64*-*-hpux*) ;; 3336 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3337 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3338esac 3339AC_SUBST(compare_exclusions) 3340 3341AC_CONFIG_FILES([Makefile], 3342 [sed "$extrasub_build" Makefile | 3343 sed "$extrasub_host" | 3344 sed "$extrasub_target" > mf$$ 3345 mv -f mf$$ Makefile], 3346 [extrasub_build="$extrasub_build" 3347 extrasub_host="$extrasub_host" 3348 extrasub_target="$extrasub_target"]) 3349AC_OUTPUT 3350