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 22 m4_include(config/acx.m4) 23 m4_include(config/override.m4) 24 m4_include(config/proginstall.m4) 25 m4_include(config/elf.m4) 26 m4_include([libtool.m4]) 27 m4_include([ltoptions.m4]) 28 m4_include([ltsugar.m4]) 29 m4_include([ltversion.m4]) 30 m4_include([lt~obsolete.m4]) 31 m4_include([config/isl.m4]) 32 m4_include([config/cloog.m4]) 33 34 AC_INIT(move-if-change) 35 AC_PREREQ(2.64) 36 AC_DISABLE_OPTION_CHECKING 37 38 progname=$0 39 # if PWD already has a value, it is probably wrong. 40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 41 42 # Export original configure arguments for use by sub-configures. 43 # Quote arguments with shell meta charatcers. 44 TOPLEVEL_CONFIGURE_ARGUMENTS= 45 set -- "$progname" "$@" 46 for ac_arg 47 do 48 case "$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 $ac_arg" 57 done 58 if test "$silent" = yes; then 59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 60 fi 61 # Remove the initial space we just introduced and, as these will be 62 # expanded by make, quote '$'. 63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 65 66 # Find the build, host, and target systems. 67 ACX_NONCANONICAL_BUILD 68 ACX_NONCANONICAL_HOST 69 ACX_NONCANONICAL_TARGET 70 71 dnl Autoconf 2.5x and later will set a default program prefix if 72 dnl --target was used, even if it was the same as --host. Disable 73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 74 dnl to take effect. 75 test "$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 80 AC_CANONICAL_SYSTEM 81 AC_ARG_PROGRAM 82 83 m4_pattern_allow([^AS_FOR_TARGET$])dnl 84 m4_pattern_allow([^AS_FOR_BUILD$])dnl 85 86 # Get 'install' or 'install-sh' and its variants. 87 AC_PROG_INSTALL 88 ACX_PROG_LN 89 AC_PROG_LN_S 90 AC_PROG_SED 91 AC_PROG_AWK 92 93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 94 95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not 96 # a relative path. 97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then 98 INSTALL="${srcpwd}/install-sh -c" 99 fi 100 101 # Set srcdir to "." if that's what it is. 102 # This is important for multilib support. 103 pwd=`${PWDCMD-pwd}` 104 if test "${pwd}" = "${srcpwd}" ; then 105 srcdir=. 106 fi 107 108 topsrcdir=$srcpwd 109 110 extra_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 # 129 build_libs="build-libiberty" 130 131 # these tools are built for the build environment 132 build_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 # 136 host_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". 144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools" 145 146 # libgcj represents the runtime libraries only used by gcj. 147 libgcj="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. 154 target_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 # 180 target_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. 189 configdirs=`echo ${host_libs} ${host_tools}` 190 target_configdirs=`echo ${target_libraries} ${target_tools}` 191 build_configdirs=`echo ${build_libs} ${build_tools}` 192 193 m4_divert_text([PARSE_ARGS], 194 [case $srcdir in 195 *" "*) 196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 197 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 198 m4_popdef([AS_MESSAGE_LOG_FD])dnl 199 ;; 200 esac 201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 202 ]) 203 204 ################################################################################ 205 206 srcname="gnu development package" 207 208 # This gets set non-empty for some net releases of packages. 209 appdirs="" 210 211 # Define is_cross_compiler to save on calls to 'test'. 212 is_cross_compiler= 213 if test x"${host}" = x"${target}" ; then 214 is_cross_compiler=no 215 else 216 is_cross_compiler=yes 217 fi 218 219 # Find the build and target subdir names. 220 GCC_TOPLEV_SUBDIRS 221 # Be sure to cover against remnants of an in-tree build. 222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 224 Use a pristine source tree when building in a separate tree]) 225 fi 226 227 # Skipdirs are removed silently. 228 skipdirs= 229 # Noconfigdirs are removed loudly. 230 noconfigdirs="" 231 232 use_gnu_ld= 233 # Make sure we don't let GNU ld be added if we didn't want it. 234 if test x$with_gnu_ld = xno ; then 235 use_gnu_ld=no 236 noconfigdirs="$noconfigdirs ld gold" 237 fi 238 239 use_gnu_as= 240 # Make sure we don't let GNU as be added if we didn't want it. 241 if test x$with_gnu_as = xno ; then 242 use_gnu_as=no 243 noconfigdirs="$noconfigdirs gas" 244 fi 245 246 use_included_zlib= 247 # Make sure we don't let ZLIB be added if we didn't want it. 248 if test x$with_system_zlib = xyes ; then 249 use_included_zlib=no 250 noconfigdirs="$noconfigdirs zlib" 251 fi 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. 255 256 case ${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 ;; 264 esac 265 266 # Some are only suitable for cross toolchains. 267 # Remove these if host=target. 268 cross_only="target-libgloss target-newlib target-opcodes" 269 270 case $is_cross_compiler in 271 no) skipdirs="${skipdirs} ${cross_only}" ;; 272 esac 273 274 # If both --with-headers and --with-libs are specified, default to 275 # --without-newlib. 276 if 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 281 fi 282 283 # Recognize --with-newlib/--without-newlib. 284 case ${with_newlib} in 285 no) skipdirs="${skipdirs} target-newlib" ;; 286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 287 esac 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. 306 307 default_ld= 308 AC_ARG_ENABLE(gold, 309 [AS_HELP_STRING([[--enable-gold[=ARG]]], 310 [build gold @<:@ARG={default,yes,no}@:>@])], 311 ENABLE_GOLD=$enableval, 312 ENABLE_GOLD=no) 313 case "${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*-*-* \ 335 | aarch64*-*-* | tilegx*-*-* | mips*-*-*) 336 configdirs="$configdirs gold" 337 if test x${ENABLE_GOLD} = xdefault; then 338 default_ld=gold 339 fi 340 ENABLE_GOLD=yes 341 ;; 342 esac 343 fi 344 ;; 345 no) 346 ;; 347 *) 348 AC_MSG_ERROR([invalid --enable-gold argument]) 349 ;; 350 esac 351 352 AC_ARG_ENABLE(ld, 353 [AS_HELP_STRING([[--enable-ld[=ARG]]], 354 [build ld @<:@ARG={default,yes,no}@:>@])], 355 ENABLE_LD=$enableval, 356 ENABLE_LD=yes) 357 358 case "${ENABLE_LD}" in 359 default) 360 if test x${default_ld} != x; then 361 AC_MSG_ERROR([either gold or ld can be the default ld]) 362 fi 363 ;; 364 yes) 365 ;; 366 no) 367 if test x${ENABLE_GOLD} != xyes; then 368 AC_MSG_WARN([neither ld nor gold are enabled]) 369 fi 370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 371 ;; 372 *) 373 AC_MSG_ERROR([invalid --enable-ld argument]) 374 ;; 375 esac 376 377 # Configure extra directories which are host specific 378 379 case "${host}" in 380 *-cygwin*) 381 configdirs="$configdirs libtermcap" ;; 382 esac 383 384 # A target can indicate whether a language isn't supported for some reason. 385 # Only spaces may be used in this macro; not newlines or tabs. 386 unsupported_languages= 387 388 # Remove more programs from consideration, based on the host or 389 # target this usually means that a port of the program doesn't 390 # exist yet. 391 392 case "${host}" in 393 i[[3456789]]86-*-msdosdjgpp*) 394 noconfigdirs="$noconfigdirs tcl tk itcl" 395 ;; 396 esac 397 398 399 AC_ARG_ENABLE(libquadmath, 400 AS_HELP_STRING([--disable-libquadmath], 401 [do not build libquadmath directory]), 402 ENABLE_LIBQUADMATH=$enableval, 403 ENABLE_LIBQUADMATH=yes) 404 if test "${ENABLE_LIBQUADMATH}" = "no" ; then 405 noconfigdirs="$noconfigdirs target-libquadmath" 406 fi 407 408 409 AC_ARG_ENABLE(libquadmath-support, 410 AS_HELP_STRING([--disable-libquadmath-support], 411 [disable libquadmath support for Fortran]), 412 ENABLE_LIBQUADMATH_SUPPORT=$enableval, 413 ENABLE_LIBQUADMATH_SUPPORT=yes) 414 enable_libquadmath_support= 415 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 416 enable_libquadmath_support=no 417 fi 418 419 420 AC_ARG_ENABLE(libada, 421 [AS_HELP_STRING([--enable-libada], [build libada directory])], 422 ENABLE_LIBADA=$enableval, 423 ENABLE_LIBADA=yes) 424 if test "${ENABLE_LIBADA}" != "yes" ; then 425 noconfigdirs="$noconfigdirs gnattools" 426 fi 427 428 AC_ARG_ENABLE(libssp, 429 [AS_HELP_STRING([--enable-libssp], [build libssp directory])], 430 ENABLE_LIBSSP=$enableval, 431 ENABLE_LIBSSP=yes) 432 433 AC_ARG_ENABLE(libstdcxx, 434 AS_HELP_STRING([--disable-libstdcxx], 435 [do not build libstdc++-v3 directory]), 436 ENABLE_LIBSTDCXX=$enableval, 437 ENABLE_LIBSTDCXX=default) 438 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then 439 noconfigdirs="$noconfigdirs libstdc++-v3" 440 fi] 441 442 # Save it here so that, even in case of --enable-libgcj, if the Java 443 # front-end isn't enabled, we still get libgcj disabled. 444 libgcj_saved=$libgcj 445 case $enable_libgcj in 446 yes) 447 # If we reset it here, it won't get added to noconfigdirs in the 448 # target-specific build rules, so it will be forcibly enabled 449 # (unless the Java language itself isn't enabled). 450 libgcj= 451 ;; 452 no) 453 # Make sure we get it printed in the list of not supported target libs. 454 # Don't disable libffi, though, other languages use it. 455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 456 # Clear libgcj_saved so that even if java is enabled libffi won't be 457 # built. 458 libgcj_saved= 459 ;; 460 esac 461 462 AC_ARG_ENABLE(static-libjava, 463 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 464 [build static libjava @<:@default=no@:>@])], 465 ENABLE_STATIC_LIBJAVA=$enableval, 466 ENABLE_STATIC_LIBJAVA=no) 467 enable_static_libjava= 468 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 469 enable_static_libjava=yes 470 fi 471 472 if test x$enable_static_libjava != xyes ; then 473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 474 fi 475 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 476 477 # Disable libgomp on non POSIX hosted systems. 478 if test x$enable_libgomp = x ; then 479 # Enable libgomp by default on hosted POSIX systems. 480 case "${target}" in 481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 482 ;; 483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 484 ;; 485 *-*-solaris2* | *-*-hpux11*) 486 ;; 487 *-*-darwin* | *-*-aix*) 488 ;; 489 *) 490 noconfigdirs="$noconfigdirs target-libgomp" 491 ;; 492 esac 493 fi 494 495 # Disable libatomic on unsupported systems. 496 if test -d ${srcdir}/libatomic; then 497 if test x$enable_libatomic = x; then 498 AC_MSG_CHECKING([for libatomic support]) 499 if (srcdir=${srcdir}/libatomic; \ 500 . ${srcdir}/configure.tgt; \ 501 test -n "$UNSUPPORTED") 502 then 503 AC_MSG_RESULT([no]) 504 noconfigdirs="$noconfigdirs target-libatomic" 505 else 506 AC_MSG_RESULT([yes]) 507 fi 508 fi 509 fi 510 511 # Disable libcilkrts on unsupported systems. 512 if test -d ${srcdir}/libcilkrts; then 513 if test x$enable_libcilkrts = x; then 514 AC_MSG_CHECKING([for libcilkrts support]) 515 if (srcdir=${srcdir}/libcilkrts; \ 516 . ${srcdir}/configure.tgt; \ 517 test -n "$UNSUPPORTED") 518 then 519 AC_MSG_RESULT([no]) 520 noconfigdirs="$noconfigdirs target-libcilkrts" 521 else 522 AC_MSG_RESULT([yes]) 523 fi 524 fi 525 fi 526 527 # Disable libitm on unsupported systems. 528 if test -d ${srcdir}/libitm; then 529 if test x$enable_libitm = x; then 530 AC_MSG_CHECKING([for libitm support]) 531 if (srcdir=${srcdir}/libitm; \ 532 . ${srcdir}/configure.tgt; \ 533 test -n "$UNSUPPORTED") 534 then 535 AC_MSG_RESULT([no]) 536 noconfigdirs="$noconfigdirs target-libitm" 537 else 538 AC_MSG_RESULT([yes]) 539 fi 540 fi 541 fi 542 543 # Disable libsanitizer on unsupported systems. 544 if test -d ${srcdir}/libsanitizer; then 545 if test x$enable_libsanitizer = x; then 546 AC_MSG_CHECKING([for libsanitizer support]) 547 if (srcdir=${srcdir}/libsanitizer; \ 548 . ${srcdir}/configure.tgt; \ 549 test -n "$UNSUPPORTED") 550 then 551 AC_MSG_RESULT([no]) 552 noconfigdirs="$noconfigdirs target-libsanitizer" 553 else 554 AC_MSG_RESULT([yes]) 555 fi 556 fi 557 fi 558 559 # Disable libvtv on unsupported systems. 560 if test -d ${srcdir}/libvtv; then 561 if test x$enable_libvtv = x; then 562 AC_MSG_CHECKING([for libvtv support]) 563 if (srcdir=${srcdir}/libvtv; \ 564 . ${srcdir}/configure.tgt; \ 565 test "$VTV_SUPPORTED" != "yes") 566 then 567 AC_MSG_RESULT([no]) 568 noconfigdirs="$noconfigdirs target-libvtv" 569 else 570 AC_MSG_RESULT([yes]) 571 fi 572 fi 573 fi 574 575 # Disable libquadmath for some systems. 576 case "${target}" in 577 avr-*-*) 578 noconfigdirs="$noconfigdirs target-libquadmath" 579 ;; 580 # libquadmath is unused on AIX and libquadmath build process use of 581 # LD_LIBRARY_PATH can break AIX bootstrap. 582 powerpc-*-aix* | rs6000-*-aix*) 583 noconfigdirs="$noconfigdirs target-libquadmath" 584 ;; 585 esac 586 587 # Disable libssp for some systems. 588 case "${target}" in 589 avr-*-*) 590 # No hosted I/O support. 591 noconfigdirs="$noconfigdirs target-libssp" 592 ;; 593 powerpc-*-aix* | rs6000-*-aix*) 594 noconfigdirs="$noconfigdirs target-libssp" 595 ;; 596 rl78-*-*) 597 # libssp uses a misaligned load to trigger a fault, but the RL78 598 # doesn't fault for those - instead, it gives a build-time error 599 # for explicit misaligned loads. 600 noconfigdirs="$noconfigdirs target-libssp" 601 ;; 602 esac 603 604 # Disable libstdc++-v3 for some systems. 605 # Allow user to override this if they pass --enable-libstdc++-v3 606 if test "${ENABLE_LIBSTDCXX}" = "default" ; then 607 case "${target}" in 608 *-*-vxworks*) 609 # VxWorks uses the Dinkumware C++ library. 610 noconfigdirs="$noconfigdirs target-libstdc++-v3" 611 ;; 612 arm*-wince-pe*) 613 # the C++ libraries don't build on top of CE's C libraries 614 noconfigdirs="$noconfigdirs target-libstdc++-v3" 615 ;; 616 avr-*-*) 617 noconfigdirs="$noconfigdirs target-libstdc++-v3" 618 ;; 619 esac 620 fi 621 622 # Disable Fortran for some systems. 623 case "${target}" in 624 mmix-*-*) 625 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 626 unsupported_languages="$unsupported_languages fortran" 627 ;; 628 esac 629 630 # Disable Java if libffi is not supported. 631 case "${target}" in 632 aarch64-*-*) 633 ;; 634 alpha*-*-*) 635 ;; 636 arm*-*-*) 637 ;; 638 cris-*-*) 639 ;; 640 frv-*-*) 641 ;; 642 hppa*-*-linux*) 643 ;; 644 hppa*-*-hpux*) 645 ;; 646 i?86-*-*) 647 ;; 648 ia64*-*-*) 649 ;; 650 m32r*-*-*) 651 ;; 652 m68k-*-*) 653 ;; 654 mips*-*-rtems*) 655 ;; 656 mips*-*-linux*) 657 ;; 658 powerpc*-*-linux*) 659 ;; 660 powerpc-*-darwin*) 661 ;; 662 powerpc-*-aix* | rs6000-*-aix*) 663 ;; 664 powerpc-*-freebsd*) 665 ;; 666 powerpc64-*-freebsd*) 667 ;; 668 powerpc*-*-rtems*) 669 ;; 670 s390-*-* | s390x-*-*) 671 ;; 672 sh-*-* | sh[[34]]*-*-*) 673 ;; 674 sh64-*-* | sh5*-*-*) 675 ;; 676 sparc*-*-*) 677 ;; 678 x86_64-*-*) 679 ;; 680 *-*-*) 681 unsupported_languages="$unsupported_languages java" 682 ;; 683 esac 684 685 # Disable Java, libgcj or related libraries for some systems. 686 case "${target}" in 687 powerpc-*-darwin*) 688 ;; 689 i[[3456789]]86-*-darwin*) 690 ;; 691 x86_64-*-darwin[[912]]*) 692 ;; 693 *-*-darwin*) 694 noconfigdirs="$noconfigdirs ${libgcj}" 695 ;; 696 *-*-netware*) 697 noconfigdirs="$noconfigdirs ${libgcj}" 698 ;; 699 *-*-rtems*) 700 noconfigdirs="$noconfigdirs ${libgcj}" 701 ;; 702 *-*-tpf*) 703 noconfigdirs="$noconfigdirs ${libgcj}" 704 ;; 705 *-*-uclinux*) 706 noconfigdirs="$noconfigdirs ${libgcj}" 707 ;; 708 *-*-vxworks*) 709 noconfigdirs="$noconfigdirs ${libgcj}" 710 ;; 711 alpha*-*-*vms*) 712 noconfigdirs="$noconfigdirs ${libgcj}" 713 ;; 714 arm-wince-pe) 715 noconfigdirs="$noconfigdirs ${libgcj}" 716 ;; 717 arm*-*-symbianelf*) 718 noconfigdirs="$noconfigdirs ${libgcj}" 719 ;; 720 bfin-*-*) 721 noconfigdirs="$noconfigdirs target-boehm-gc" 722 ;; 723 cris-*-* | crisv32-*-*) 724 unsupported_languages="$unsupported_languages java" 725 case "${target}" in 726 *-*-linux*) 727 ;; 728 *) # See PR46792 regarding target-libffi. 729 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 730 esac 731 ;; 732 hppa*64*-*-linux*) 733 # In this case, it's because the hppa64-linux target is for 734 # the kernel only at this point and has no libc, and thus no 735 # headers, crt*.o, etc., all of which are needed by these. 736 unsupported_languages="$unsupported_languages java" 737 ;; 738 hppa*64*-*-hpux*) 739 noconfigdirs="$noconfigdirs ${libgcj}" 740 ;; 741 hppa*-hp-hpux11*) 742 ;; 743 hppa*-*-hpux*) 744 # According to Alexandre Oliva <aoliva (a] redhat.com>, libjava won't 745 # build on HP-UX 10.20. 746 noconfigdirs="$noconfigdirs ${libgcj}" 747 ;; 748 ia64*-*-*vms*) 749 noconfigdirs="$noconfigdirs ${libgcj}" 750 ;; 751 i[[3456789]]86-w64-mingw*) 752 noconfigdirs="$noconfigdirs ${libgcj}" 753 ;; 754 i[[3456789]]86-*-mingw*) 755 noconfigdirs="$noconfigdirs ${libgcj}" 756 ;; 757 x86_64-*-mingw*) 758 noconfigdirs="$noconfigdirs ${libgcj}" 759 ;; 760 mmix-*-*) 761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 762 ;; 763 powerpc-*-aix*) 764 # copied from rs6000-*-* entry 765 noconfigdirs="$noconfigdirs ${libgcj}" 766 ;; 767 rs6000-*-aix*) 768 noconfigdirs="$noconfigdirs ${libgcj}" 769 ;; 770 *-*-lynxos*) 771 noconfigdirs="$noconfigdirs ${libgcj}" 772 ;; 773 esac 774 775 # Disable libgo for some systems where it is known to not work. 776 # For testing, you can easily override this with --enable-libgo. 777 if test x$enable_libgo = x; then 778 case "${target}" in 779 *-*-darwin*) 780 # PR 46986 781 noconfigdirs="$noconfigdirs target-libgo" 782 ;; 783 *-*-cygwin* | *-*-mingw*) 784 noconfigdirs="$noconfigdirs target-libgo" 785 ;; 786 *-*-aix*) 787 noconfigdirs="$noconfigdirs target-libgo" 788 ;; 789 esac 790 fi 791 792 # Default libgloss CPU subdirectory. 793 libgloss_dir="$target_cpu" 794 795 case "${target}" in 796 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 797 libgloss_dir=wince 798 ;; 799 aarch64*-*-* ) 800 libgloss_dir=aarch64 801 ;; 802 arm*-*-*) 803 libgloss_dir=arm 804 ;; 805 cris-*-* | crisv32-*-*) 806 libgloss_dir=cris 807 ;; 808 hppa*-*-*) 809 libgloss_dir=pa 810 ;; 811 i[[3456789]]86-*-*) 812 libgloss_dir=i386 813 ;; 814 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 815 libgloss_dir=m68hc11 816 ;; 817 m68*-*-* | fido-*-*) 818 libgloss_dir=m68k 819 ;; 820 mips*-*-*) 821 libgloss_dir=mips 822 ;; 823 powerpc*-*-*) 824 libgloss_dir=rs6000 825 ;; 826 sparc*-*-*) 827 libgloss_dir=sparc 828 ;; 829 esac 830 831 # Disable newlib and libgloss for various target OSes. 832 case "${target}" in 833 alpha*-dec-osf*) 834 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 835 ;; 836 i[[3456789]]86-*-linux*) 837 # This section makes it possible to build newlib natively on linux. 838 # If we are using a cross compiler then don't configure newlib. 839 if test x${is_cross_compiler} != xno ; then 840 noconfigdirs="$noconfigdirs target-newlib" 841 fi 842 noconfigdirs="$noconfigdirs target-libgloss" 843 # If we are not using a cross compiler, do configure newlib. 844 # Note however, that newlib will only be configured in this situation 845 # if the --with-newlib option has been given, because otherwise 846 # 'target-newlib' will appear in skipdirs. 847 ;; 848 i[[3456789]]86-*-rdos*) 849 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 850 ;; 851 sh*-*-pe|mips*-*-pe|arm-wince-pe) 852 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 853 ;; 854 sparc-*-sunos4*) 855 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 856 ;; 857 *-*-aix*) 858 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 859 ;; 860 *-*-beos*) 861 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 862 ;; 863 *-*-chorusos) 864 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 865 ;; 866 *-*-dragonfly*) 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 868 ;; 869 *-*-freebsd*) 870 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 871 ;; 872 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 873 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 874 ;; 875 *-*-lynxos*) 876 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 877 ;; 878 *-*-mingw*) 879 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 880 ;; 881 *-*-netbsd*) 882 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 883 ;; 884 *-*-netware*) 885 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 886 ;; 887 *-*-tpf*) 888 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 889 ;; 890 *-*-uclinux*) 891 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 892 ;; 893 *-*-vxworks*) 894 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 895 ;; 896 esac 897 898 case "${target}" in 899 *-*-chorusos) 900 ;; 901 powerpc-*-darwin*) 902 noconfigdirs="$noconfigdirs ld gas gdb gprof" 903 noconfigdirs="$noconfigdirs sim target-rda" 904 ;; 905 i[[3456789]]86-*-darwin*) 906 noconfigdirs="$noconfigdirs ld gprof" 907 noconfigdirs="$noconfigdirs sim target-rda" 908 ;; 909 x86_64-*-darwin[[912]]*) 910 noconfigdirs="$noconfigdirs ld gas gprof" 911 noconfigdirs="$noconfigdirs sim target-rda" 912 ;; 913 *-*-darwin*) 914 noconfigdirs="$noconfigdirs ld gas gdb gprof" 915 noconfigdirs="$noconfigdirs sim target-rda" 916 ;; 917 *-*-dragonfly*) 918 ;; 919 *-*-freebsd*) 920 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 921 && test -f /usr/local/include/gmp.h; then 922 with_gmp=/usr/local 923 fi 924 ;; 925 *-*-kaos*) 926 # Remove unsupported stuff on all kaOS configurations. 927 noconfigdirs="$noconfigdirs target-libgloss" 928 ;; 929 *-*-netbsd*) 930 ;; 931 *-*-netware*) 932 ;; 933 *-*-rtems*) 934 noconfigdirs="$noconfigdirs target-libgloss" 935 # this is not caught below because this stanza matches earlier 936 case $target in 937 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 938 esac 939 ;; 940 # The tpf target doesn't support gdb yet. 941 *-*-tpf*) 942 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 943 ;; 944 *-*-uclinux*) 945 noconfigdirs="$noconfigdirs target-rda" 946 ;; 947 *-*-vxworks*) 948 ;; 949 alpha*-dec-osf*) 950 # ld works, but does not support shared libraries. 951 # gas doesn't generate exception information. 952 noconfigdirs="$noconfigdirs gas ld" 953 ;; 954 alpha*-*-*vms*) 955 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 956 ;; 957 alpha*-*-*) 958 # newlib is not 64 bit ready 959 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 960 ;; 961 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 962 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 963 ;; 964 arc-*-*|arceb-*-*) 965 noconfigdirs="$noconfigdirs target-libgloss" 966 ;; 967 arm-*-pe*) 968 noconfigdirs="$noconfigdirs target-libgloss" 969 ;; 970 arm-*-riscix*) 971 noconfigdirs="$noconfigdirs ld target-libgloss" 972 ;; 973 avr-*-rtems*) 974 ;; 975 avr-*-*) 976 if test x${with_avrlibc} != xno; then 977 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 978 fi 979 ;; 980 c4x-*-* | tic4x-*-*) 981 noconfigdirs="$noconfigdirs target-libgloss" 982 ;; 983 tic54x-*-*) 984 noconfigdirs="$noconfigdirs target-libgloss gdb" 985 ;; 986 d10v-*-*) 987 noconfigdirs="$noconfigdirs target-libgloss" 988 ;; 989 d30v-*-*) 990 noconfigdirs="$noconfigdirs gdb" 991 ;; 992 fr30-*-elf*) 993 noconfigdirs="$noconfigdirs gdb" 994 ;; 995 moxie-*-*) 996 noconfigdirs="$noconfigdirs gprof" 997 ;; 998 h8300*-*-*) 999 noconfigdirs="$noconfigdirs target-libgloss" 1000 ;; 1001 h8500-*-*) 1002 noconfigdirs="$noconfigdirs target-libgloss" 1003 ;; 1004 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1005 ;; 1006 hppa*64*-*-linux*) 1007 ;; 1008 hppa*-*-linux*) 1009 ;; 1010 hppa*-*-*elf* | \ 1011 hppa*-*-lites* | \ 1012 hppa*-*-openbsd* | \ 1013 hppa*64*-*-*) 1014 ;; 1015 hppa*-hp-hpux11*) 1016 noconfigdirs="$noconfigdirs ld" 1017 ;; 1018 hppa*-*-pro*) 1019 ;; 1020 hppa*-*-*) 1021 noconfigdirs="$noconfigdirs ld" 1022 ;; 1023 i960-*-*) 1024 noconfigdirs="$noconfigdirs gdb" 1025 ;; 1026 ia64*-*-elf*) 1027 # No gdb support yet. 1028 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1029 ;; 1030 ia64*-**-hpux*) 1031 # No ld support yet. 1032 noconfigdirs="$noconfigdirs libgui itcl ld" 1033 ;; 1034 ia64*-*-*vms*) 1035 # No ld support yet. 1036 noconfigdirs="$noconfigdirs libgui itcl ld" 1037 ;; 1038 i[[3456789]]86-w64-mingw*) 1039 ;; 1040 i[[3456789]]86-*-mingw*) 1041 target_configdirs="$target_configdirs target-winsup" 1042 ;; 1043 *-*-cygwin*) 1044 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1045 noconfigdirs="$noconfigdirs target-libgloss" 1046 # always build newlib if winsup directory is present. 1047 if test -d "$srcdir/winsup/cygwin"; then 1048 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1049 elif test -d "$srcdir/newlib"; then 1050 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1051 fi 1052 ;; 1053 i[[3456789]]86-*-pe) 1054 noconfigdirs="$noconfigdirs target-libgloss" 1055 ;; 1056 i[[3456789]]86-*-sco3.2v5*) 1057 # The linker does not yet know about weak symbols in COFF, 1058 # and is not configured to handle mixed ELF and COFF. 1059 noconfigdirs="$noconfigdirs ld target-libgloss" 1060 ;; 1061 i[[3456789]]86-*-sco*) 1062 noconfigdirs="$noconfigdirs gprof target-libgloss" 1063 ;; 1064 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1065 noconfigdirs="$noconfigdirs target-libgloss" 1066 ;; 1067 i[[3456789]]86-*-sysv4*) 1068 noconfigdirs="$noconfigdirs target-libgloss" 1069 ;; 1070 i[[3456789]]86-*-beos*) 1071 noconfigdirs="$noconfigdirs gdb" 1072 ;; 1073 i[[3456789]]86-*-rdos*) 1074 noconfigdirs="$noconfigdirs gdb" 1075 ;; 1076 mmix-*-*) 1077 noconfigdirs="$noconfigdirs gdb" 1078 ;; 1079 mt-*-*) 1080 noconfigdirs="$noconfigdirs sim" 1081 ;; 1082 powerpc-*-aix*) 1083 # copied from rs6000-*-* entry 1084 noconfigdirs="$noconfigdirs gprof" 1085 ;; 1086 powerpc*-*-winnt* | powerpc*-*-pe*) 1087 target_configdirs="$target_configdirs target-winsup" 1088 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1089 # always build newlib. 1090 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1091 ;; 1092 # This is temporary until we can link against shared libraries 1093 powerpcle-*-solaris*) 1094 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1095 ;; 1096 powerpc-*-beos*) 1097 noconfigdirs="$noconfigdirs gdb" 1098 ;; 1099 rs6000-*-lynxos*) 1100 noconfigdirs="$noconfigdirs gprof" 1101 ;; 1102 rs6000-*-aix*) 1103 noconfigdirs="$noconfigdirs gprof" 1104 ;; 1105 rs6000-*-*) 1106 noconfigdirs="$noconfigdirs gprof" 1107 ;; 1108 m68k-apollo-*) 1109 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1110 ;; 1111 microblaze*) 1112 noconfigdirs="$noconfigdirs gprof" 1113 ;; 1114 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1115 if test x$with_newlib = xyes; then 1116 noconfigdirs="$noconfigdirs gprof" 1117 fi 1118 ;; 1119 mips*-*-irix5*) 1120 noconfigdirs="$noconfigdirs gprof target-libgloss" 1121 ;; 1122 mips*-*-irix6*) 1123 noconfigdirs="$noconfigdirs gprof target-libgloss" 1124 ;; 1125 mips*-*-bsd*) 1126 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1127 ;; 1128 mips*-*-linux*) 1129 ;; 1130 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1131 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1132 noconfigdirs="$noconfigdirs ld gas gprof" 1133 ;; 1134 mips*-*-*) 1135 noconfigdirs="$noconfigdirs gprof" 1136 ;; 1137 nds32*-*-*) 1138 noconfigdirs="$noconfigdirs gdb" 1139 ;; 1140 or1k*-*-*) 1141 noconfigdirs="$noconfigdirs gdb" 1142 ;; 1143 sh-*-* | sh64-*-*) 1144 case "${target}" in 1145 sh*-*-elf) 1146 ;; 1147 *) 1148 noconfigdirs="$noconfigdirs target-libgloss" ;; 1149 esac 1150 ;; 1151 sparc-*-sunos4*) 1152 if test x${is_cross_compiler} = xno ; then 1153 use_gnu_ld=no 1154 fi 1155 ;; 1156 tic6x-*-*) 1157 noconfigdirs="$noconfigdirs sim" 1158 ;; 1159 tilepro*-*-* | tilegx*-*-*) 1160 noconfigdirs="$noconfigdirs sim" 1161 ;; 1162 v810-*-*) 1163 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1164 ;; 1165 vax-*-*) 1166 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1167 ;; 1168 esac 1169 1170 # If we aren't building newlib, then don't build libgloss, since libgloss 1171 # depends upon some newlib header files. 1172 case "${noconfigdirs}" in 1173 *target-libgloss*) ;; 1174 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1175 esac 1176 1177 # Work in distributions that contain no compiler tools, like Autoconf. 1178 host_makefile_frag=/dev/null 1179 if test -d ${srcdir}/config ; then 1180 case "${host}" in 1181 i[[3456789]]86-*-msdosdjgpp*) 1182 host_makefile_frag="config/mh-djgpp" 1183 ;; 1184 *-cygwin*) 1185 ACX_CHECK_CYGWIN_CAT_WORKS 1186 host_makefile_frag="config/mh-cygwin" 1187 ;; 1188 *-mingw*) 1189 host_makefile_frag="config/mh-mingw" 1190 ;; 1191 hppa*-hp-hpux10*) 1192 host_makefile_frag="config/mh-pa-hpux10" 1193 ;; 1194 hppa*-hp-hpux*) 1195 host_makefile_frag="config/mh-pa" 1196 ;; 1197 hppa*-*) 1198 host_makefile_frag="config/mh-pa" 1199 ;; 1200 *-*-darwin*) 1201 host_makefile_frag="config/mh-darwin" 1202 ;; 1203 powerpc-*-aix*) 1204 host_makefile_frag="config/mh-ppc-aix" 1205 ;; 1206 rs6000-*-aix*) 1207 host_makefile_frag="config/mh-ppc-aix" 1208 ;; 1209 esac 1210 fi 1211 1212 if test "${build}" != "${host}" ; then 1213 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1214 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1215 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1216 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1217 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1218 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1219 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1220 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1221 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1222 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1223 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1224 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1225 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1226 else 1227 AR_FOR_BUILD="\$(AR)" 1228 AS_FOR_BUILD="\$(AS)" 1229 CC_FOR_BUILD="\$(CC)" 1230 CXX_FOR_BUILD="\$(CXX)" 1231 GCJ_FOR_BUILD="\$(GCJ)" 1232 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1233 GOC_FOR_BUILD="\$(GOC)" 1234 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1235 LD_FOR_BUILD="\$(LD)" 1236 NM_FOR_BUILD="\$(NM)" 1237 RANLIB_FOR_BUILD="\$(RANLIB)" 1238 WINDRES_FOR_BUILD="\$(WINDRES)" 1239 WINDMC_FOR_BUILD="\$(WINDMC)" 1240 fi 1241 1242 AC_PROG_CC 1243 AC_PROG_CXX 1244 1245 # We must set the default linker to the linker used by gcc for the correct 1246 # operation of libtool. If LD is not defined and we are using gcc, try to 1247 # set the LD default to the ld used by gcc. 1248 if test -z "$LD"; then 1249 if test "$GCC" = yes; then 1250 case $build in 1251 *-*-mingw*) 1252 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1253 *) 1254 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1255 esac 1256 case $gcc_prog_ld in 1257 # Accept absolute paths. 1258 [[\\/]* | [A-Za-z]:[\\/]*)] 1259 LD="$gcc_prog_ld" ;; 1260 esac 1261 fi 1262 fi 1263 1264 # Check whether -static-libstdc++ -static-libgcc is supported. 1265 have_static_libs=no 1266 if test "$GCC" = yes; then 1267 saved_LDFLAGS="$LDFLAGS" 1268 1269 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1270 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1271 AC_LANG_PUSH(C++) 1272 AC_LINK_IFELSE([ 1273 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1274 #error -static-libstdc++ not implemented 1275 #endif 1276 int main() {}], 1277 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1278 [AC_MSG_RESULT([no])]) 1279 AC_LANG_POP(C++) 1280 1281 LDFLAGS="$saved_LDFLAGS" 1282 fi 1283 1284 ACX_PROG_GNAT 1285 ACX_PROG_CMP_IGNORE_INITIAL 1286 1287 AC_ARG_ENABLE([bootstrap], 1288 [AS_HELP_STRING([--enable-bootstrap], 1289 [enable bootstrapping @<:@yes if native build@:>@])],, 1290 enable_bootstrap=default) 1291 1292 # Issue errors and warnings for invalid/strange bootstrap combinations. 1293 if test -r $srcdir/gcc/configure; then 1294 have_compiler=yes 1295 else 1296 have_compiler=no 1297 fi 1298 1299 case "$have_compiler:$host:$target:$enable_bootstrap" in 1300 *:*:*:no) ;; 1301 1302 # Default behavior. Enable bootstrap if we have a compiler 1303 # and we are in a native configuration. 1304 yes:$build:$build:default) 1305 enable_bootstrap=yes ;; 1306 1307 *:*:*:default) 1308 enable_bootstrap=no ;; 1309 1310 # We have a compiler and we are in a native configuration, bootstrap is ok 1311 yes:$build:$build:yes) 1312 ;; 1313 1314 # Other configurations, but we have a compiler. Assume the user knows 1315 # what he's doing. 1316 yes:*:*:yes) 1317 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1318 ;; 1319 1320 # No compiler: if they passed --enable-bootstrap explicitly, fail 1321 no:*:*:yes) 1322 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1323 1324 # Fail if wrong command line 1325 *) 1326 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1327 ;; 1328 esac 1329 1330 # Used for setting $lt_cv_objdir 1331 _LT_CHECK_OBJDIR 1332 1333 # Check for GMP, MPFR and MPC 1334 gmplibs="-lmpc -lmpfr -lgmp" 1335 gmpinc= 1336 have_gmp=no 1337 1338 # Specify a location for mpc 1339 # check for this first so it ends up on the link line before mpfr. 1340 AC_ARG_WITH(mpc, 1341 [AS_HELP_STRING([--with-mpc=PATH], 1342 [specify prefix directory for installed MPC package. 1343 Equivalent to --with-mpc-include=PATH/include 1344 plus --with-mpc-lib=PATH/lib])]) 1345 AC_ARG_WITH(mpc-include, 1346 [AS_HELP_STRING([--with-mpc-include=PATH], 1347 [specify directory for installed MPC include files])]) 1348 AC_ARG_WITH(mpc-lib, 1349 [AS_HELP_STRING([--with-mpc-lib=PATH], 1350 [specify directory for the installed MPC library])]) 1351 1352 if test "x$with_mpc" != x; then 1353 gmplibs="-L$with_mpc/lib $gmplibs" 1354 gmpinc="-I$with_mpc/include $gmpinc" 1355 fi 1356 if test "x$with_mpc_include" != x; then 1357 gmpinc="-I$with_mpc_include $gmpinc" 1358 fi 1359 if test "x$with_mpc_lib" != x; then 1360 gmplibs="-L$with_mpc_lib $gmplibs" 1361 fi 1362 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1363 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1364 gmpinc='-I$$s/mpc/src '"$gmpinc" 1365 # Do not test the mpc version. Assume that it is sufficient, since 1366 # it is in the source tree, and the library has not been built yet 1367 # but it would be included on the link line in the version check below 1368 # hence making the test fail. 1369 have_gmp=yes 1370 fi 1371 1372 # Specify a location for mpfr 1373 # check for this first so it ends up on the link line before gmp. 1374 AC_ARG_WITH(mpfr-dir, 1375 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1376 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1377 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1378 1379 AC_ARG_WITH(mpfr, 1380 [AS_HELP_STRING([--with-mpfr=PATH], 1381 [specify prefix directory for installed MPFR package. 1382 Equivalent to --with-mpfr-include=PATH/include 1383 plus --with-mpfr-lib=PATH/lib])]) 1384 AC_ARG_WITH(mpfr-include, 1385 [AS_HELP_STRING([--with-mpfr-include=PATH], 1386 [specify directory for installed MPFR include files])]) 1387 AC_ARG_WITH(mpfr-lib, 1388 [AS_HELP_STRING([--with-mpfr-lib=PATH], 1389 [specify directory for the installed MPFR library])]) 1390 1391 if test "x$with_mpfr" != x; then 1392 gmplibs="-L$with_mpfr/lib $gmplibs" 1393 gmpinc="-I$with_mpfr/include $gmpinc" 1394 fi 1395 if test "x$with_mpfr_include" != x; then 1396 gmpinc="-I$with_mpfr_include $gmpinc" 1397 fi 1398 if test "x$with_mpfr_lib" != x; then 1399 gmplibs="-L$with_mpfr_lib $gmplibs" 1400 fi 1401 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1402 # MPFR v3.1.0 moved the sources into a src sub-directory. 1403 if test -d ${srcdir}/mpfr/src; then 1404 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1405 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1406 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1407 else 1408 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1409 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1410 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1411 fi 1412 # Do not test the mpfr version. Assume that it is sufficient, since 1413 # it is in the source tree, and the library has not been built yet 1414 # but it would be included on the link line in the version check below 1415 # hence making the test fail. 1416 have_gmp=yes 1417 fi 1418 1419 # Specify a location for gmp 1420 AC_ARG_WITH(gmp-dir, 1421 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1422 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1423 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1424 1425 AC_ARG_WITH(gmp, 1426 [AS_HELP_STRING([--with-gmp=PATH], 1427 [specify prefix directory for the installed GMP package. 1428 Equivalent to --with-gmp-include=PATH/include 1429 plus --with-gmp-lib=PATH/lib])]) 1430 AC_ARG_WITH(gmp-include, 1431 [AS_HELP_STRING([--with-gmp-include=PATH], 1432 [specify directory for installed GMP include files])]) 1433 AC_ARG_WITH(gmp-lib, 1434 [AS_HELP_STRING([--with-gmp-lib=PATH], 1435 [specify directory for the installed GMP library])]) 1436 1437 1438 if test "x$with_gmp" != x; then 1439 gmplibs="-L$with_gmp/lib $gmplibs" 1440 gmpinc="-I$with_gmp/include $gmpinc" 1441 fi 1442 if test "x$with_gmp_include" != x; then 1443 gmpinc="-I$with_gmp_include $gmpinc" 1444 fi 1445 if test "x$with_gmp_lib" != x; then 1446 gmplibs="-L$with_gmp_lib $gmplibs" 1447 fi 1448 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1449 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1450 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1451 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1452 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1453 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1454 # Do not test the gmp version. Assume that it is sufficient, since 1455 # it is in the source tree, and the library has not been built yet 1456 # but it would be included on the link line in the version check below 1457 # hence making the test fail. 1458 have_gmp=yes 1459 fi 1460 1461 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1462 have_gmp=yes 1463 saved_CFLAGS="$CFLAGS" 1464 CFLAGS="$CFLAGS $gmpinc" 1465 # Check for the recommended and required versions of GMP. 1466 AC_MSG_CHECKING([for the correct version of gmp.h]) 1467 AC_TRY_COMPILE([#include "gmp.h"],[ 1468 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1469 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1470 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1471 choke me 1472 #endif 1473 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1474 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1475 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1476 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1477 choke me 1478 #endif 1479 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1480 [AC_MSG_RESULT([no]); have_gmp=no]) 1481 1482 # If we have GMP, check the MPFR version. 1483 if test x"$have_gmp" = xyes; then 1484 # Check for the recommended and required versions of MPFR. 1485 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1486 AC_TRY_COMPILE([#include <gmp.h> 1487 #include <mpfr.h>],[ 1488 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1489 choke me 1490 #endif 1491 ], [AC_TRY_COMPILE([#include <gmp.h> 1492 #include <mpfr.h>],[ 1493 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1494 choke me 1495 #endif 1496 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1497 [AC_MSG_RESULT([no]); have_gmp=no]) 1498 fi 1499 1500 # Check for the MPC header version. 1501 if test x"$have_gmp" = xyes ; then 1502 # Check for the recommended and required versions of MPC. 1503 AC_MSG_CHECKING([for the correct version of mpc.h]) 1504 AC_TRY_COMPILE([#include <mpc.h>],[ 1505 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1506 choke me 1507 #endif 1508 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1509 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1510 choke me 1511 #endif 1512 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1513 [AC_MSG_RESULT([no]); have_gmp=no]) 1514 fi 1515 1516 # Now check the MPFR library. 1517 if test x"$have_gmp" = xyes; then 1518 saved_LIBS="$LIBS" 1519 LIBS="$LIBS $gmplibs" 1520 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1521 AC_TRY_LINK([#include <mpc.h>],[ 1522 mpfr_t n; 1523 mpfr_t x; 1524 mpc_t c; 1525 int t; 1526 mpfr_init (n); 1527 mpfr_init (x); 1528 mpfr_atan2 (n, n, x, GMP_RNDN); 1529 mpfr_erfc (n, x, GMP_RNDN); 1530 mpfr_subnormalize (x, t, GMP_RNDN); 1531 mpfr_clear(n); 1532 mpfr_clear(x); 1533 mpc_init2 (c, 53); 1534 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1535 mpc_cosh (c, c, MPC_RNDNN); 1536 mpc_pow (c, c, c, MPC_RNDNN); 1537 mpc_acosh (c, c, MPC_RNDNN); 1538 mpc_clear (c); 1539 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1540 LIBS="$saved_LIBS" 1541 fi 1542 1543 CFLAGS="$saved_CFLAGS" 1544 1545 # The library versions listed in the error message below should match 1546 # the HARD-minimums enforced above. 1547 if test x$have_gmp != xyes; then 1548 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1549 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1550 their locations. Source code for these libraries can be found at 1551 their respective hosting sites as well as at 1552 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1553 http://gcc.gnu.org/install/prerequisites.html for additional info. If 1554 you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1555 make sure that you have installed both the libraries and the header 1556 files. They may be located in separate packages.]) 1557 fi 1558 fi 1559 1560 # Flags needed for both GMP, MPFR and/or MPC. 1561 AC_SUBST(gmplibs) 1562 AC_SUBST(gmpinc) 1563 AC_SUBST(extra_mpfr_configure_flags) 1564 AC_SUBST(extra_mpc_gmp_configure_flags) 1565 AC_SUBST(extra_mpc_mpfr_configure_flags) 1566 AC_SUBST(extra_isl_gmp_configure_flags) 1567 1568 # Allow host libstdc++ to be specified for static linking with PPL. 1569 AC_ARG_WITH(host-libstdcxx, 1570 [AS_HELP_STRING([--with-host-libstdcxx=L], 1571 [use linker arguments L to link with libstdc++ 1572 when linking with PPL])]) 1573 1574 case $with_host_libstdcxx in 1575 no|yes) 1576 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1577 ;; 1578 esac 1579 1580 # Libraries to use for stage1 or when not bootstrapping. 1581 AC_ARG_WITH(stage1-libs, 1582 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1583 [if test "$withval" = "no" -o "$withval" = "yes"; then 1584 stage1_libs= 1585 else 1586 stage1_libs=$withval 1587 fi], 1588 [stage1_libs=$with_host_libstdcxx]) 1589 AC_SUBST(stage1_libs) 1590 1591 # Linker flags to use for stage1 or when not bootstrapping. 1592 AC_ARG_WITH(stage1-ldflags, 1593 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1594 [if test "$withval" = "no" -o "$withval" = "yes"; then 1595 stage1_ldflags= 1596 else 1597 stage1_ldflags=$withval 1598 fi], 1599 [stage1_ldflags= 1600 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1601 # if supported. But if the user explicitly specified the libraries to use, 1602 # trust that they are doing what they want. 1603 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1604 stage1_ldflags="-static-libstdc++ -static-libgcc" 1605 fi]) 1606 AC_SUBST(stage1_ldflags) 1607 1608 # Libraries to use for stage2 and later builds. This defaults to the 1609 # argument passed to --with-host-libstdcxx. 1610 AC_ARG_WITH(boot-libs, 1611 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1612 [if test "$withval" = "no" -o "$withval" = "yes"; then 1613 poststage1_libs= 1614 else 1615 poststage1_libs=$withval 1616 fi], 1617 [poststage1_libs=$with_host_libstdcxx]) 1618 AC_SUBST(poststage1_libs) 1619 1620 # Linker flags to use for stage2 and later builds. 1621 AC_ARG_WITH(boot-ldflags, 1622 [AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1623 [linker flags for stage2 and later])], 1624 [if test "$withval" = "no" -o "$withval" = "yes"; then 1625 poststage1_ldflags= 1626 else 1627 poststage1_ldflags=$withval 1628 fi], 1629 [poststage1_ldflags= 1630 # In stages 2 and 3, default to linking libstdc++ and libgcc 1631 # statically. But if the user explicitly specified the libraries to 1632 # use, trust that they are doing what they want. 1633 if test "$poststage1_libs" = ""; then 1634 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1635 fi]) 1636 AC_SUBST(poststage1_ldflags) 1637 1638 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. 1639 # Basic setup is inlined here, actual checks are in config/cloog.m4 and 1640 # config/isl.m4 1641 1642 AC_ARG_WITH(cloog, 1643 [AS_HELP_STRING( 1644 [--with-cloog=PATH], 1645 [Specify prefix directory for the installed CLooG-ISL package. 1646 Equivalent to --with-cloog-include=PATH/include 1647 plus --with-cloog-lib=PATH/lib])]) 1648 AC_ARG_WITH(isl, 1649 [AS_HELP_STRING( 1650 [--with-isl=PATH], 1651 [Specify prefix directory for the installed ISL package. 1652 Equivalent to --with-isl-include=PATH/include 1653 plus --with-isl-lib=PATH/lib])]) 1654 1655 # Treat either --without-cloog or --without-isl as a request to disable 1656 # GRAPHITE support and skip all following checks. 1657 if test "x$with_isl" != "xno" && 1658 test "x$with_cloog" != "xno"; then 1659 # Check for ISL 1660 dnl Provide configure switches and initialize islinc & isllibs 1661 dnl with user input. 1662 ISL_INIT_FLAGS 1663 dnl The versions of ISL that work for Graphite 1664 ISL_CHECK_VERSION(0,10) 1665 if test "${gcc_cv_isl}" = no ; then 1666 ISL_CHECK_VERSION(0,11) 1667 if test "${gcc_cv_isl}" = no ; then 1668 ISL_CHECK_VERSION(0,12) 1669 fi 1670 fi 1671 dnl Only execute fail-action, if ISL has been requested. 1672 ISL_IF_FAILED([ 1673 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1674 1675 if test "x$gcc_cv_isl" != "xno"; then 1676 # Check for CLOOG 1677 dnl Provide configure switches and initialize clooginc & clooglibs 1678 dnl with user input. 1679 CLOOG_INIT_FLAGS 1680 dnl The versions of CLooG that work for Graphite. 1681 CLOOG_CHECK_VERSION(0,17,0) 1682 if test "${gcc_cv_cloog}" = no ; then 1683 CLOOG_CHECK_VERSION(0,18,0) 1684 fi 1685 1686 dnl Only execute fail-action, if CLooG has been requested. 1687 CLOOG_IF_FAILED([ 1688 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) 1689 fi 1690 fi 1691 1692 # If either the ISL or the CLooG check failed, disable builds of in-tree 1693 # variants of both 1694 if test "x$with_isl" = xno || 1695 test "x$with_cloog" = xno || 1696 test "x$gcc_cv_cloog" = xno || 1697 test "x$gcc_cv_isl" = xno; then 1698 noconfigdirs="$noconfigdirs cloog isl" 1699 islinc= 1700 clooginc= 1701 clooglibs= 1702 fi 1703 1704 AC_SUBST(islinc) 1705 AC_SUBST(clooglibs) 1706 AC_SUBST(clooginc) 1707 1708 1709 # Check for LTO support. 1710 AC_ARG_ENABLE(lto, 1711 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1712 enable_lto=$enableval, 1713 enable_lto=yes; default_enable_lto=yes) 1714 1715 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1716 build_lto_plugin=yes 1717 ],[if test x"$default_enable_lto" = x"yes" ; then 1718 case $target in 1719 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1720 # On other non-ELF platforms, LTO has yet to be validated. 1721 *) enable_lto=no ;; 1722 esac 1723 else 1724 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1725 # It would also be nice to check the binutils support, but we don't 1726 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1727 # warn during gcc/ subconfigure; unless you're bootstrapping with 1728 # -flto it won't be needed until after installation anyway. 1729 case $target in 1730 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1731 *) if test x"$enable_lto" = x"yes"; then 1732 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1733 fi 1734 ;; 1735 esac 1736 fi 1737 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1738 # Build it unless LTO was explicitly disabled. 1739 case $target in 1740 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1741 *) ;; 1742 esac 1743 ]) 1744 1745 1746 # By default, C and C++ are the only stage 1 languages. 1747 stage1_languages=,c, 1748 1749 # Target libraries that we bootstrap. 1750 bootstrap_target_libs=,target-libgcc, 1751 1752 # Figure out what language subdirectories are present. 1753 # Look if the user specified --enable-languages="..."; if not, use 1754 # the environment variable $LANGUAGES if defined. $LANGUAGES might 1755 # go away some day. 1756 # NB: embedded tabs in this IF block -- do not untabify 1757 if test -d ${srcdir}/gcc; then 1758 if test x"${enable_languages+set}" != xset; then 1759 if test x"${LANGUAGES+set}" = xset; then 1760 enable_languages="${LANGUAGES}" 1761 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1762 else 1763 enable_languages=all 1764 fi 1765 else 1766 if test x"${enable_languages}" = x || 1767 test x"${enable_languages}" = xyes; 1768 then 1769 echo configure.in: --enable-languages needs at least one language argument 1>&2 1770 exit 1 1771 fi 1772 fi 1773 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1774 1775 # 'f95' is the old name for the 'fortran' language. We issue a warning 1776 # and make the substitution. 1777 case ,${enable_languages}, in 1778 *,f95,*) 1779 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1780 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1781 ;; 1782 esac 1783 1784 # If bootstrapping, C++ must be enabled. 1785 case ",$enable_languages,:$enable_bootstrap" in 1786 *,c++,*:*) ;; 1787 *:yes) 1788 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1789 enable_languages="${enable_languages},c++" 1790 else 1791 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1792 fi 1793 ;; 1794 esac 1795 1796 # First scan to see if an enabled language requires some other language. 1797 # We assume that a given config-lang.in will list all the language 1798 # front ends it requires, even if some are required indirectly. 1799 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1800 case ${lang_frag} in 1801 ..) ;; 1802 # The odd quoting in the next line works around 1803 # an apparent bug in bash 1.12 on linux. 1804 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1805 *) 1806 # From the config-lang.in, get $language, $lang_requires, and 1807 # $lang_requires_boot_languages. 1808 language= 1809 lang_requires= 1810 lang_requires_boot_languages= 1811 . ${lang_frag} 1812 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1813 case ,${enable_languages}, in 1814 *,$other,*) ;; 1815 *,all,*) ;; 1816 *,$language,*) 1817 echo " \`$other' language required by \`$language'; enabling" 1>&2 1818 enable_languages="${enable_languages},${other}" 1819 ;; 1820 esac 1821 done 1822 for other in ${lang_requires_boot_languages} ; do 1823 if test "$other" != "c"; then 1824 case ,${enable_stage1_languages}, in 1825 *,$other,*) ;; 1826 *,all,*) ;; 1827 *) 1828 case ,${enable_languages}, in 1829 *,$language,*) 1830 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1831 enable_stage1_languages="$enable_stage1_languages,${other}" 1832 ;; 1833 esac 1834 ;; 1835 esac 1836 fi 1837 done 1838 ;; 1839 esac 1840 done 1841 1842 new_enable_languages=,c, 1843 1844 # If LTO is enabled, add the LTO front end. 1845 extra_host_libiberty_configure_flags= 1846 if test "$enable_lto" = "yes" ; then 1847 case ,${enable_languages}, in 1848 *,lto,*) ;; 1849 *) enable_languages="${enable_languages},lto" ;; 1850 esac 1851 if test "${build_lto_plugin}" = "yes" ; then 1852 configdirs="$configdirs lto-plugin" 1853 extra_host_libiberty_configure_flags=--enable-shared 1854 fi 1855 fi 1856 AC_SUBST(extra_host_libiberty_configure_flags) 1857 1858 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1859 potential_languages=,c, 1860 1861 enabled_target_libs= 1862 disabled_target_libs= 1863 1864 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1865 case ${lang_frag} in 1866 ..) ;; 1867 # The odd quoting in the next line works around 1868 # an apparent bug in bash 1.12 on linux. 1869 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1870 *) 1871 # From the config-lang.in, get $language, $target_libs, 1872 # $lang_dirs, $boot_language, and $build_by_default 1873 language= 1874 target_libs= 1875 lang_dirs= 1876 subdir_requires= 1877 boot_language=no 1878 build_by_default=yes 1879 . ${lang_frag} 1880 if test x${language} = x; then 1881 echo "${lang_frag} doesn't set \$language." 1>&2 1882 exit 1 1883 fi 1884 1885 if test "$language" = "c++"; then 1886 boot_language=yes 1887 fi 1888 1889 add_this_lang=no 1890 case ,${enable_languages}, in 1891 *,${language},*) 1892 # Language was explicitly selected; include it 1893 # unless it is C, which is enabled by default. 1894 if test "$language" != "c"; then 1895 add_this_lang=yes 1896 fi 1897 ;; 1898 *,all,*) 1899 # 'all' was selected, select it if it is a default language 1900 if test "$language" != "c"; then 1901 add_this_lang=${build_by_default} 1902 fi 1903 ;; 1904 esac 1905 1906 # Disable languages that need other directories if these aren't available. 1907 for i in $subdir_requires; do 1908 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1909 case ,${enable_languages}, in 1910 *,${language},*) 1911 # Specifically requested language; tell them. 1912 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1913 ;; 1914 *) 1915 # Silently disable. 1916 add_this_lang=unsupported 1917 ;; 1918 esac 1919 done 1920 1921 # Disable Ada if no preexisting GNAT is available. 1922 case ,${enable_languages},:${language}:${have_gnat} in 1923 *,${language},*:ada:no) 1924 # Specifically requested language; tell them. 1925 AC_MSG_ERROR([GNAT is required to build $language]) 1926 ;; 1927 *:ada:no) 1928 # Silently disable. 1929 add_this_lang=unsupported 1930 ;; 1931 esac 1932 1933 # Disable a language that is unsupported by the target. 1934 case " $unsupported_languages " in 1935 *" $language "*) 1936 add_this_lang=unsupported 1937 ;; 1938 esac 1939 1940 case $add_this_lang in 1941 unsupported) 1942 # Remove language-dependent dirs. 1943 disabled_target_libs="$disabled_target_libs $target_libs" 1944 noconfigdirs="$noconfigdirs $lang_dirs" 1945 ;; 1946 no) 1947 # Remove language-dependent dirs; still show language as supported. 1948 disabled_target_libs="$disabled_target_libs $target_libs" 1949 noconfigdirs="$noconfigdirs $lang_dirs" 1950 potential_languages="${potential_languages}${language}," 1951 ;; 1952 yes) 1953 new_enable_languages="${new_enable_languages}${language}," 1954 potential_languages="${potential_languages}${language}," 1955 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1956 enabled_target_libs="$enabled_target_libs $target_libs" 1957 case "${boot_language}:,$enable_stage1_languages," in 1958 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 1959 # Add to (comma-separated) list of stage 1 languages. 1960 case ",$stage1_languages," in 1961 *,$language,* | ,yes, | ,all,) ;; 1962 *) stage1_languages="${stage1_languages}${language}," ;; 1963 esac 1964 # We need to bootstrap any supporting libraries. 1965 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 1966 ;; 1967 esac 1968 ;; 1969 esac 1970 ;; 1971 esac 1972 done 1973 1974 # Add target libraries which are only needed for disabled languages 1975 # to noconfigdirs. 1976 if test -n "$disabled_target_libs"; then 1977 for dir in $disabled_target_libs; do 1978 case " $enabled_target_libs " in 1979 *" ${dir} "*) ;; 1980 *) noconfigdirs="$noconfigdirs $dir" ;; 1981 esac 1982 done 1983 fi 1984 1985 AC_ARG_ENABLE(stage1-languages, 1986 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 1987 [choose additional languages to build during 1988 stage1. Mostly useful for compiler development])], 1989 [case ,${enable_stage1_languages}, in 1990 ,no,|,,) 1991 # Set it to something that will have no effect in the loop below 1992 enable_stage1_languages=c ;; 1993 ,yes,) 1994 enable_stage1_languages=`echo $new_enable_languages | \ 1995 sed -e "s/^,//" -e "s/,$//" ` ;; 1996 *,all,*) 1997 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 1998 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 1999 esac 2000 2001 # Add "good" languages from enable_stage1_languages to stage1_languages, 2002 # while "bad" languages go in missing_languages. Leave no duplicates. 2003 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2004 case $potential_languages in 2005 *,$i,*) 2006 case $stage1_languages in 2007 *,$i,*) ;; 2008 *) stage1_languages="$stage1_languages$i," ;; 2009 esac ;; 2010 *) 2011 case $missing_languages in 2012 *,$i,*) ;; 2013 *) missing_languages="$missing_languages$i," ;; 2014 esac ;; 2015 esac 2016 done]) 2017 2018 # Remove leading/trailing commas that were added for simplicity 2019 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2020 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2021 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2022 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2023 2024 if test "x$missing_languages" != x; then 2025 AC_MSG_ERROR([ 2026 The following requested languages could not be built: ${missing_languages} 2027 Supported languages are: ${potential_languages}]) 2028 fi 2029 if test "x$new_enable_languages" != "x$enable_languages"; then 2030 echo The following languages will be built: ${new_enable_languages} 2031 enable_languages="$new_enable_languages" 2032 fi 2033 2034 AC_SUBST(stage1_languages) 2035 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2036 fi 2037 2038 # Handle --disable-<component> generically. 2039 for dir in $configdirs $build_configdirs $target_configdirs ; do 2040 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2041 varname=`echo $dirname | sed -e s/+/_/g` 2042 if eval test x\${enable_${varname}} "=" xno ; then 2043 noconfigdirs="$noconfigdirs $dir" 2044 fi 2045 done 2046 2047 # Check for Boehm's garbage collector 2048 AC_ARG_ENABLE(objc-gc, 2049 [AS_HELP_STRING([--enable-objc-gc], 2050 [enable use of Boehm's garbage collector with the 2051 GNU Objective-C runtime])], 2052 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2053 *,objc,*:*:yes:*target-boehm-gc*) 2054 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2055 ;; 2056 esac]) 2057 2058 # Make sure we only build Boehm's garbage collector if required. 2059 case ,${enable_languages},:${enable_objc_gc} in 2060 *,objc,*:yes) 2061 # Keep target-boehm-gc if requested for Objective-C. 2062 ;; 2063 *) 2064 # Otherwise remove target-boehm-gc depending on target-libjava. 2065 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2066 noconfigdirs="$noconfigdirs target-boehm-gc" 2067 fi 2068 ;; 2069 esac 2070 2071 # Disable libitm, libsanitizer, libvtv if we're not building C++ 2072 case ,${enable_languages}, in 2073 *,c++,*) ;; 2074 *) 2075 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv" 2076 ;; 2077 esac 2078 2079 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2080 # $build_configdirs and $target_configdirs. 2081 # If we have the source for $noconfigdirs entries, add them to $notsupp. 2082 2083 notsupp="" 2084 for dir in . $skipdirs $noconfigdirs ; do 2085 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2086 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2087 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2088 if test -r $srcdir/$dirname/configure ; then 2089 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2090 true 2091 else 2092 notsupp="$notsupp $dir" 2093 fi 2094 fi 2095 fi 2096 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2097 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2098 if test -r $srcdir/$dirname/configure ; then 2099 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2100 true 2101 else 2102 notsupp="$notsupp $dir" 2103 fi 2104 fi 2105 fi 2106 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2107 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2108 if test -r $srcdir/$dirname/configure ; then 2109 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2110 true 2111 else 2112 notsupp="$notsupp $dir" 2113 fi 2114 fi 2115 fi 2116 done 2117 2118 # Quietly strip out all directories which aren't configurable in this tree. 2119 # This relies on all configurable subdirectories being autoconfiscated, which 2120 # is now the case. 2121 build_configdirs_all="$build_configdirs" 2122 build_configdirs= 2123 for i in ${build_configdirs_all} ; do 2124 j=`echo $i | sed -e s/build-//g` 2125 if test -f ${srcdir}/$j/configure ; then 2126 build_configdirs="${build_configdirs} $i" 2127 fi 2128 done 2129 2130 configdirs_all="$configdirs" 2131 configdirs= 2132 for i in ${configdirs_all} ; do 2133 if test -f ${srcdir}/$i/configure ; then 2134 configdirs="${configdirs} $i" 2135 fi 2136 done 2137 2138 target_configdirs_all="$target_configdirs" 2139 target_configdirs= 2140 for i in ${target_configdirs_all} ; do 2141 j=`echo $i | sed -e s/target-//g` 2142 if test -f ${srcdir}/$j/configure ; then 2143 target_configdirs="${target_configdirs} $i" 2144 fi 2145 done 2146 2147 # Produce a warning message for the subdirs we can't configure. 2148 # This isn't especially interesting in the Cygnus tree, but in the individual 2149 # FSF releases, it's important to let people know when their machine isn't 2150 # supported by the one or two programs in a package. 2151 2152 if test -n "${notsupp}" && test -z "${norecursion}" ; then 2153 # If $appdirs is non-empty, at least one of those directories must still 2154 # be configured, or we error out. (E.g., if the gas release supports a 2155 # specified target in some subdirs but not the gas subdir, we shouldn't 2156 # pretend that all is well.) 2157 if test -n "$appdirs" ; then 2158 for dir in $appdirs ; do 2159 if test -r $dir/Makefile.in ; then 2160 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2161 appdirs="" 2162 break 2163 fi 2164 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2165 appdirs="" 2166 break 2167 fi 2168 fi 2169 done 2170 if test -n "$appdirs" ; then 2171 echo "*** This configuration is not supported by this package." 1>&2 2172 exit 1 2173 fi 2174 fi 2175 # Okay, some application will build, or we don't care to check. Still 2176 # notify of subdirs not getting built. 2177 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2178 echo " ${notsupp}" 1>&2 2179 echo " (Any other directories should still work fine.)" 1>&2 2180 fi 2181 2182 case "$host" in 2183 *msdosdjgpp*) 2184 enable_gdbtk=no ;; 2185 esac 2186 2187 # To find our prefix, in gcc_cv_tool_prefix. 2188 ACX_TOOL_DIRS 2189 2190 copy_dirs= 2191 2192 AC_ARG_WITH([build-sysroot], 2193 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2194 [use sysroot as the system root during the build])], 2195 [if test x"$withval" != x ; then 2196 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2197 fi], 2198 [SYSROOT_CFLAGS_FOR_TARGET=]) 2199 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2200 2201 AC_ARG_WITH([debug-prefix-map], 2202 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2203 [map A to B, C to D ... in debug information])], 2204 [if test x"$withval" != x; then 2205 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2206 for debug_map in $withval; do 2207 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2208 done 2209 fi], 2210 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2211 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2212 2213 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2214 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2215 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2216 # We want to ensure that TARGET libraries (which we know are built with 2217 # gcc) are built with "-O2 -g", so include those options when setting 2218 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2219 if test "x$CFLAGS_FOR_TARGET" = x; then 2220 CFLAGS_FOR_TARGET=$CFLAGS 2221 case " $CFLAGS " in 2222 *" -O2 "*) ;; 2223 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2224 esac 2225 case " $CFLAGS " in 2226 *" -g "* | *" -g3 "*) ;; 2227 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2228 esac 2229 fi 2230 AC_SUBST(CFLAGS_FOR_TARGET) 2231 2232 if test "x$CXXFLAGS_FOR_TARGET" = x; then 2233 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2234 case " $CXXFLAGS " in 2235 *" -O2 "*) ;; 2236 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2237 esac 2238 case " $CXXFLAGS " in 2239 *" -g "* | *" -g3 "*) ;; 2240 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2241 esac 2242 fi 2243 AC_SUBST(CXXFLAGS_FOR_TARGET) 2244 2245 AC_SUBST(LDFLAGS_FOR_TARGET) 2246 2247 # Handle --with-headers=XXX. If the value is not "yes", the contents of 2248 # the named directory are copied to $(tooldir)/sys-include. 2249 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2250 if test x${is_cross_compiler} = xno ; then 2251 echo 1>&2 '***' --with-headers is only supported when cross compiling 2252 exit 1 2253 fi 2254 if test x"${with_headers}" != xyes ; then 2255 x=${gcc_cv_tool_prefix} 2256 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2257 fi 2258 fi 2259 2260 # Handle --with-libs=XXX. If the value is not "yes", the contents of 2261 # the name directories are copied to $(tooldir)/lib. Multiple directories 2262 # are permitted. 2263 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2264 if test x${is_cross_compiler} = xno ; then 2265 echo 1>&2 '***' --with-libs is only supported when cross compiling 2266 exit 1 2267 fi 2268 if test x"${with_libs}" != xyes ; then 2269 # Copy the libraries in reverse order, so that files in the first named 2270 # library override files in subsequent libraries. 2271 x=${gcc_cv_tool_prefix} 2272 for l in ${with_libs}; do 2273 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2274 done 2275 fi 2276 fi 2277 2278 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2279 # 2280 # This is done by determining whether or not the appropriate directory 2281 # is available, and by checking whether or not specific configurations 2282 # have requested that this magic not happen. 2283 # 2284 # The command line options always override the explicit settings in 2285 # configure.in, and the settings in configure.in override this magic. 2286 # 2287 # If the default for a toolchain is to use GNU as and ld, and you don't 2288 # want to do that, then you should use the --without-gnu-as and 2289 # --without-gnu-ld options for the configure script. Similarly, if 2290 # the default is to use the included zlib and you don't want to do that, 2291 # you should use the --with-system-zlib option for the configure script. 2292 2293 if test x${use_gnu_as} = x && 2294 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2295 with_gnu_as=yes 2296 extra_host_args="$extra_host_args --with-gnu-as" 2297 fi 2298 2299 if test x${use_gnu_ld} = x && 2300 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2301 with_gnu_ld=yes 2302 extra_host_args="$extra_host_args --with-gnu-ld" 2303 fi 2304 2305 if test x${use_included_zlib} = x && 2306 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2307 : 2308 else 2309 with_system_zlib=yes 2310 extra_host_args="$extra_host_args --with-system-zlib" 2311 fi 2312 2313 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2314 # can detect this case. 2315 2316 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2317 with_newlib=yes 2318 extra_host_args="$extra_host_args --with-newlib" 2319 fi 2320 2321 # Handle ${copy_dirs} 2322 set fnord ${copy_dirs} 2323 shift 2324 while test $# != 0 ; do 2325 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2326 : 2327 else 2328 echo Copying $1 to $2 2329 2330 # Use the install script to create the directory and all required 2331 # parent directories. 2332 if test -d $2 ; then 2333 : 2334 else 2335 echo >config.temp 2336 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2337 fi 2338 2339 # Copy the directory, assuming we have tar. 2340 # FIXME: Should we use B in the second tar? Not all systems support it. 2341 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2342 2343 # It is the responsibility of the user to correctly adjust all 2344 # symlinks. If somebody can figure out how to handle them correctly 2345 # here, feel free to add the code. 2346 2347 echo $1 > $2/COPIED 2348 fi 2349 shift; shift 2350 done 2351 2352 # Determine a target-dependent exec_prefix that the installed 2353 # gcc will search in. Keep this list sorted by triplet, with 2354 # the *-*-osname triplets last. 2355 md_exec_prefix= 2356 case "${target}" in 2357 i[[34567]]86-pc-msdosdjgpp*) 2358 md_exec_prefix=/dev/env/DJDIR/bin 2359 ;; 2360 *-*-hpux* | \ 2361 *-*-nto-qnx* | \ 2362 *-*-solaris2*) 2363 md_exec_prefix=/usr/ccs/bin 2364 ;; 2365 esac 2366 2367 extra_arflags_for_target= 2368 extra_nmflags_for_target= 2369 extra_ranlibflags_for_target= 2370 target_makefile_frag=/dev/null 2371 case "${target}" in 2372 spu-*-*) 2373 target_makefile_frag="config/mt-spu" 2374 ;; 2375 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2376 target_makefile_frag="config/mt-sde" 2377 ;; 2378 mipsisa*-*-elfoabi*) 2379 target_makefile_frag="config/mt-mips-elfoabi" 2380 ;; 2381 mips*-*-*linux* | mips*-*-gnu*) 2382 target_makefile_frag="config/mt-mips-gnu" 2383 ;; 2384 nios2-*-elf*) 2385 target_makefile_frag="config/mt-nios2-elf" 2386 ;; 2387 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2388 target_makefile_frag="config/mt-gnu" 2389 ;; 2390 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2391 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2392 # commands to handle both 32-bit and 64-bit objects. These flags are 2393 # harmless if we're using GNU nm or ar. 2394 extra_arflags_for_target=" -X32_64" 2395 extra_nmflags_for_target=" -B -X32_64" 2396 ;; 2397 esac 2398 2399 alphaieee_frag=/dev/null 2400 case $target in 2401 alpha*-*-*) 2402 # This just makes sure to use the -mieee option to build target libs. 2403 # This should probably be set individually by each library. 2404 alphaieee_frag="config/mt-alphaieee" 2405 ;; 2406 esac 2407 2408 # If --enable-target-optspace always use -Os instead of -O2 to build 2409 # the target libraries, similarly if it is not specified, use -Os 2410 # on selected platforms. 2411 ospace_frag=/dev/null 2412 case "${enable_target_optspace}:${target}" in 2413 yes:*) 2414 ospace_frag="config/mt-ospace" 2415 ;; 2416 :d30v-*) 2417 ospace_frag="config/mt-d30v" 2418 ;; 2419 :m32r-* | :d10v-* | :fr30-*) 2420 ospace_frag="config/mt-ospace" 2421 ;; 2422 no:* | :*) 2423 ;; 2424 *) 2425 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2426 ;; 2427 esac 2428 2429 # Some systems (e.g., one of the i386-aix systems the gas testers are 2430 # using) don't handle "\$" correctly, so don't use it here. 2431 tooldir='${exec_prefix}'/${target_noncanonical} 2432 build_tooldir=${tooldir} 2433 2434 # Create a .gdbinit file which runs the one in srcdir 2435 # and tells GDB to look there for source files. 2436 2437 if test -r ${srcdir}/.gdbinit ; then 2438 case ${srcdir} in 2439 .) ;; 2440 *) cat > ./.gdbinit <<EOF 2441 # ${NO_EDIT} 2442 dir ${srcdir} 2443 dir . 2444 source ${srcdir}/.gdbinit 2445 EOF 2446 ;; 2447 esac 2448 fi 2449 2450 # Make sure that the compiler is able to generate an executable. If it 2451 # can't, we are probably in trouble. We don't care whether we can run the 2452 # executable--we might be using a cross compiler--we only care whether it 2453 # can be created. At this point the main configure script has set CC. 2454 we_are_ok=no 2455 echo "int main () { return 0; }" > conftest.c 2456 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2457 if test $? = 0 ; then 2458 if test -s conftest || test -s conftest.exe ; then 2459 we_are_ok=yes 2460 fi 2461 fi 2462 case $we_are_ok in 2463 no) 2464 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2465 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2466 rm -f conftest* 2467 exit 1 2468 ;; 2469 esac 2470 rm -f conftest* 2471 2472 # Decide which environment variable is used to find dynamic libraries. 2473 case "${host}" in 2474 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2475 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2476 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2477 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2478 esac 2479 2480 # On systems where the dynamic library environment variable is PATH, 2481 # gcc/ will put dynamic libraries into a subdirectory to avoid adding 2482 # built executables to PATH. 2483 if test "$RPATH_ENVVAR" = PATH; then 2484 GCC_SHLIB_SUBDIR=/shlib 2485 else 2486 GCC_SHLIB_SUBDIR= 2487 fi 2488 2489 # Adjust the toplevel makefile according to whether bootstrap was selected. 2490 case $enable_bootstrap in 2491 yes) 2492 bootstrap_suffix=bootstrap 2493 BUILD_CONFIG=bootstrap-debug 2494 ;; 2495 no) 2496 bootstrap_suffix=no-bootstrap 2497 BUILD_CONFIG= 2498 ;; 2499 esac 2500 2501 AC_MSG_CHECKING(for default BUILD_CONFIG) 2502 2503 AC_ARG_WITH([build-config], 2504 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2505 [use config/NAME.mk build configuration])], 2506 [case $with_build_config in 2507 yes) with_build_config= ;; 2508 no) with_build_config= BUILD_CONFIG= ;; 2509 esac]) 2510 2511 if test "x${with_build_config}" != x; then 2512 BUILD_CONFIG=$with_build_config 2513 else 2514 case $BUILD_CONFIG in 2515 bootstrap-debug) 2516 if echo "int f (void) { return 0; }" > conftest.c && 2517 ${CC} -c conftest.c && 2518 mv conftest.o conftest.o.g0 && 2519 ${CC} -c -g conftest.c && 2520 mv conftest.o conftest.o.g && 2521 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2522 : 2523 else 2524 BUILD_CONFIG= 2525 fi 2526 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2527 ;; 2528 esac 2529 fi 2530 AC_MSG_RESULT($BUILD_CONFIG) 2531 AC_SUBST(BUILD_CONFIG) 2532 2533 # Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2534 AC_MSG_CHECKING([for --enable-vtable-verify]) 2535 AC_ARG_ENABLE(vtable-verify, 2536 [ --enable-vtable-verify Enable vtable verification feature ], 2537 [case "$enableval" in 2538 yes) enable_vtable_verify=yes ;; 2539 no) enable_vtable_verify=no ;; 2540 *) enable_vtable_verify=no;; 2541 esac], 2542 [enable_vtable_verify=no]) 2543 AC_MSG_RESULT($enable_vtable_verify) 2544 2545 # Record target_configdirs and the configure arguments for target and 2546 # build configuration in Makefile. 2547 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2548 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2549 bootstrap_fixincludes=no 2550 2551 # If we are building libgomp, bootstrap it. 2552 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2553 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2554 fi 2555 2556 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2557 # or bootstrap-ubsan, bootstrap it. 2558 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2559 case "$BUILD_CONFIG" in 2560 *bootstrap-asan* | *bootstrap-ubsan* ) 2561 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2562 bootstrap_fixincludes=yes 2563 ;; 2564 esac 2565 fi 2566 2567 # If we are building libvtv and --enable-vtable-verify, bootstrap it. 2568 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2569 test "$enable_vtable_verify" != no; then 2570 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2571 fi 2572 2573 # Determine whether gdb needs tk/tcl or not. 2574 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2575 # and in that case we want gdb to be built without tk. Ugh! 2576 # In fact I believe gdb is the *only* package directly dependent on tk, 2577 # so we should be able to put the 'maybe's in unconditionally and 2578 # leave out the maybe dependencies when enable_gdbtk is false. I'm not 2579 # 100% sure that that's safe though. 2580 2581 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2582 case "$enable_gdbtk" in 2583 no) 2584 GDB_TK="" ;; 2585 yes) 2586 GDB_TK="${gdb_tk}" ;; 2587 *) 2588 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2589 # distro. Eventually someone will fix this and move Insight, nee 2590 # gdbtk to a separate directory. 2591 if test -d ${srcdir}/gdb/gdbtk ; then 2592 GDB_TK="${gdb_tk}" 2593 else 2594 GDB_TK="" 2595 fi 2596 ;; 2597 esac 2598 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2599 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2600 2601 # Strip out unwanted targets. 2602 2603 # While at that, we remove Makefiles if we were started for recursive 2604 # configuration, so that the top-level Makefile reconfigures them, 2605 # like we used to do when configure itself was recursive. 2606 2607 # Loop over modules. We used to use the "$extrasub" feature from Autoconf 2608 # but now we're fixing up the Makefile ourselves with the additional 2609 # commands passed to AC_CONFIG_FILES. Use separate variables 2610 # extrasub-{build,host,target} not because there is any reason to split 2611 # the substitutions up that way, but only to remain below the limit of 2612 # 99 commands in a script, for HP-UX sed. 2613 # Do not nest @if/@endif pairs, because configure will not warn you at all. 2614 2615 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2616 yes:yes:*\ gold\ *:*,c++,*) ;; 2617 yes:yes:*\ gold\ *:*) 2618 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2619 ;; 2620 esac 2621 2622 extrasub_build= 2623 for module in ${build_configdirs} ; do 2624 if test -z "${no_recursion}" \ 2625 && test -f ${build_subdir}/${module}/Makefile; then 2626 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2627 rm -f ${build_subdir}/${module}/Makefile 2628 fi 2629 extrasub_build="$extrasub_build 2630 /^@if build-$module\$/d 2631 /^@endif build-$module\$/d 2632 /^@if build-$module-$bootstrap_suffix\$/d 2633 /^@endif build-$module-$bootstrap_suffix\$/d" 2634 done 2635 extrasub_host= 2636 for module in ${configdirs} ; do 2637 if test -z "${no_recursion}"; then 2638 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2639 if test -f ${file}; then 2640 echo 1>&2 "*** removing ${file} to force reconfigure" 2641 rm -f ${file} 2642 fi 2643 done 2644 fi 2645 case ${module},${bootstrap_fixincludes} in 2646 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2647 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2648 esac 2649 extrasub_host="$extrasub_host 2650 /^@if $module\$/d 2651 /^@endif $module\$/d 2652 /^@if $module-$host_bootstrap_suffix\$/d 2653 /^@endif $module-$host_bootstrap_suffix\$/d" 2654 done 2655 extrasub_target= 2656 for module in ${target_configdirs} ; do 2657 if test -z "${no_recursion}" \ 2658 && test -f ${target_subdir}/${module}/Makefile; then 2659 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2660 rm -f ${target_subdir}/${module}/Makefile 2661 fi 2662 2663 # We only bootstrap target libraries listed in bootstrap_target_libs. 2664 case $bootstrap_target_libs in 2665 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2666 *) target_bootstrap_suffix=no-bootstrap ;; 2667 esac 2668 2669 extrasub_target="$extrasub_target 2670 /^@if target-$module\$/d 2671 /^@endif target-$module\$/d 2672 /^@if target-$module-$target_bootstrap_suffix\$/d 2673 /^@endif target-$module-$target_bootstrap_suffix\$/d" 2674 done 2675 2676 # Do the final fixup along with target modules. 2677 extrasub_target="$extrasub_target 2678 /^@if /,/^@endif /d" 2679 2680 # Create the serialization dependencies. This uses a temporary file. 2681 2682 AC_ARG_ENABLE([serial-configure], 2683 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2684 [force sequential configuration of 2685 sub-packages for the host, target or build 2686 machine, or all sub-packages])]) 2687 2688 case ${enable_serial_configure} in 2689 yes) 2690 enable_serial_build_configure=yes 2691 enable_serial_host_configure=yes 2692 enable_serial_target_configure=yes 2693 ;; 2694 esac 2695 2696 # These force 'configure's to be done one at a time, to avoid problems 2697 # with contention over a shared config.cache. 2698 rm -f serdep.tmp 2699 echo '# serdep.tmp' > serdep.tmp 2700 olditem= 2701 test "x${enable_serial_build_configure}" = xyes && 2702 for item in ${build_configdirs} ; do 2703 case ${olditem} in 2704 "") ;; 2705 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2706 esac 2707 olditem=${item} 2708 done 2709 olditem= 2710 test "x${enable_serial_host_configure}" = xyes && 2711 for item in ${configdirs} ; do 2712 case ${olditem} in 2713 "") ;; 2714 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2715 esac 2716 olditem=${item} 2717 done 2718 olditem= 2719 test "x${enable_serial_target_configure}" = xyes && 2720 for item in ${target_configdirs} ; do 2721 case ${olditem} in 2722 "") ;; 2723 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2724 esac 2725 olditem=${item} 2726 done 2727 serialization_dependencies=serdep.tmp 2728 AC_SUBST_FILE(serialization_dependencies) 2729 2730 # Base args. Strip norecursion, cache-file, srcdir, host, build, 2731 # target, nonopt, and variable assignments. These are the ones we 2732 # might not want to pass down to subconfigures. The exception being 2733 # --cache-file=/dev/null, which is used to turn off the use of cache 2734 # files altogether, and which should be passed on to subconfigures. 2735 # Also strip program-prefix, program-suffix, and program-transform-name, 2736 # so that we can pass down a consistent program-transform-name. 2737 baseargs= 2738 tbaseargs= 2739 keep_next=no 2740 skip_next=no 2741 eval "set -- $ac_configure_args" 2742 for ac_arg 2743 do 2744 if test X"$skip_next" = X"yes"; then 2745 skip_next=no 2746 continue 2747 fi 2748 if test X"$keep_next" = X"yes"; then 2749 case $ac_arg in 2750 *\'*) 2751 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2752 esac 2753 baseargs="$baseargs '$ac_arg'" 2754 tbaseargs="$tbaseargs '$ac_arg'" 2755 keep_next=no 2756 continue 2757 fi 2758 2759 # Handle separated arguments. Based on the logic generated by 2760 # autoconf 2.59. 2761 case $ac_arg in 2762 *=* | --config-cache | -C | -disable-* | --disable-* \ 2763 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2764 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2765 | -with-* | --with-* | -without-* | --without-* | --x) 2766 separate_arg=no 2767 ;; 2768 -*) 2769 separate_arg=yes 2770 ;; 2771 *) 2772 separate_arg=no 2773 ;; 2774 esac 2775 2776 skip_targ=no 2777 case $ac_arg in 2778 changequote(,) 2779 --with-* | --without-*) 2780 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2781 2782 case $libopt in 2783 *[-_]include) 2784 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2785 ;; 2786 *[-_]lib) 2787 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2788 ;; 2789 *) 2790 lib=$libopt 2791 ;; 2792 esac 2793 changequote([,]) 2794 2795 case $lib in 2796 mpc | mpfr | gmp | cloog) 2797 # If we're processing --with-$lib, --with-$lib-include or 2798 # --with-$lib-lib, for one of the libs above, and target is 2799 # different from host, don't pass the current argument to any 2800 # target library's configure. 2801 if test x$is_cross_compiler = xyes; then 2802 skip_targ=yes 2803 fi 2804 ;; 2805 esac 2806 ;; 2807 esac 2808 2809 case "$ac_arg" in 2810 --cache-file=/dev/null | \ 2811 -cache-file=/dev/null ) 2812 # Handled here to avoid the test to skip args below. 2813 baseargs="$baseargs '$ac_arg'" 2814 tbaseargs="$tbaseargs '$ac_arg'" 2815 # Assert: $separate_arg should always be no. 2816 keep_next=$separate_arg 2817 ;; 2818 --no*) 2819 continue 2820 ;; 2821 --c* | \ 2822 --sr* | \ 2823 --ho* | \ 2824 --bu* | \ 2825 --t* | \ 2826 --program-* | \ 2827 -cache_file* | \ 2828 -srcdir* | \ 2829 -host* | \ 2830 -build* | \ 2831 -target* | \ 2832 -program-prefix* | \ 2833 -program-suffix* | \ 2834 -program-transform-name* ) 2835 skip_next=$separate_arg 2836 continue 2837 ;; 2838 -*) 2839 # An option. Add it. 2840 case $ac_arg in 2841 *\'*) 2842 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2843 esac 2844 baseargs="$baseargs '$ac_arg'" 2845 if test X"$skip_targ" = Xno; then 2846 tbaseargs="$tbaseargs '$ac_arg'" 2847 fi 2848 keep_next=$separate_arg 2849 ;; 2850 *) 2851 # Either a variable assignment, or a nonopt (triplet). Don't 2852 # pass it down; let the Makefile handle this. 2853 continue 2854 ;; 2855 esac 2856 done 2857 # Remove the initial space we just introduced and, as these will be 2858 # expanded by make, quote '$'. 2859 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2860 2861 # Add in --program-transform-name, after --program-prefix and 2862 # --program-suffix have been applied to it. Autoconf has already 2863 # doubled dollar signs and backslashes in program_transform_name; we want 2864 # the backslashes un-doubled, and then the entire thing wrapped in single 2865 # quotes, because this will be expanded first by make and then by the shell. 2866 # Also, because we want to override the logic in subdir configure scripts to 2867 # choose program_transform_name, replace any s,x,x, with s,y,y,. 2868 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2869 ${program_transform_name} 2870 EOF_SED 2871 gcc_transform_name=`cat conftestsed.out` 2872 rm -f conftestsed.out 2873 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2874 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 2875 if test "$silent" = yes; then 2876 baseargs="$baseargs --silent" 2877 tbaseargs="$tbaseargs --silent" 2878 fi 2879 baseargs="$baseargs --disable-option-checking" 2880 tbaseargs="$tbaseargs --disable-option-checking" 2881 2882 # Record and document user additions to sub configure arguments. 2883 AC_ARG_VAR([build_configargs], 2884 [additional configure arguments for build directories]) 2885 AC_ARG_VAR([host_configargs], 2886 [additional configure arguments for host directories]) 2887 AC_ARG_VAR([target_configargs], 2888 [additional configure arguments for target directories]) 2889 2890 # For the build-side libraries, we just need to pretend we're native, 2891 # and not use the same cache file. Multilibs are neither needed nor 2892 # desired. 2893 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}" 2894 2895 # For host modules, accept cache file option, or specification as blank. 2896 case "${cache_file}" in 2897 "") # empty 2898 cache_file_option="" ;; 2899 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path 2900 cache_file_option="--cache-file=${cache_file}" ;; 2901 *) # relative path 2902 cache_file_option="--cache-file=../${cache_file}" ;; 2903 esac 2904 2905 # Host dirs don't like to share a cache file either, horribly enough. 2906 # This seems to be due to autoconf 2.5x stupidity. 2907 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 2908 2909 target_configargs="$target_configargs ${tbaseargs}" 2910 2911 # Passing a --with-cross-host argument lets the target libraries know 2912 # whether they are being built with a cross-compiler or being built 2913 # native. However, it would be better to use other mechanisms to make the 2914 # sorts of decisions they want to make on this basis. Please consider 2915 # this option to be deprecated. FIXME. 2916 if test x${is_cross_compiler} = xyes ; then 2917 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 2918 fi 2919 2920 # Special user-friendly check for native x86_64-linux build, if 2921 # multilib is not explicitly enabled. 2922 case "$target:$have_compiler:$host:$target:$enable_multilib" in 2923 x86_64-*linux*:yes:$build:$build:) 2924 # Make sure we have a developement environment that handles 32-bit 2925 dev64=no 2926 echo "int main () { return 0; }" > conftest.c 2927 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2928 if test $? = 0 ; then 2929 if test -s conftest || test -s conftest.exe ; then 2930 dev64=yes 2931 fi 2932 fi 2933 rm -f conftest* 2934 if test x${dev64} != xyes ; then 2935 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.]) 2936 fi 2937 ;; 2938 esac 2939 2940 # Default to --enable-multilib. 2941 if test x${enable_multilib} = x ; then 2942 target_configargs="--enable-multilib ${target_configargs}" 2943 fi 2944 2945 # Pass --with-newlib if appropriate. Note that target_configdirs has 2946 # changed from the earlier setting of with_newlib. 2947 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 2948 target_configargs="--with-newlib ${target_configargs}" 2949 fi 2950 2951 # Different target subdirs use different values of certain variables 2952 # (notably CXX). Worse, multilibs use *lots* of different values. 2953 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 2954 # it doesn't automatically accept command-line overrides of them. 2955 # This means it's not safe for target subdirs to share a cache file, 2956 # which is disgusting, but there you have it. Hopefully this can be 2957 # fixed in future. It's still worthwhile to use a cache file for each 2958 # directory. I think. 2959 2960 # Pass the appropriate --build, --host, --target and --cache-file arguments. 2961 # We need to pass --target, as newer autoconf's requires consistency 2962 # for target_alias and gcc doesn't manage it consistently. 2963 target_configargs="--cache-file=./config.cache ${target_configargs}" 2964 2965 FLAGS_FOR_TARGET= 2966 case " $target_configdirs " in 2967 *" newlib "*) 2968 case " $target_configargs " in 2969 *" --with-newlib "*) 2970 case "$target" in 2971 *-cygwin*) 2972 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 2973 ;; 2974 esac 2975 2976 # If we're not building GCC, don't discard standard headers. 2977 if test -d ${srcdir}/gcc; then 2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 2979 2980 if test "${build}" != "${host}"; then 2981 # On Canadian crosses, CC_FOR_TARGET will have already been set 2982 # by `configure', so we won't have an opportunity to add -Bgcc/ 2983 # to it. This is right: we don't want to search that directory 2984 # for binaries, but we want the header files in there, so add 2985 # them explicitly. 2986 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 2987 2988 # Someone might think of using the pre-installed headers on 2989 # Canadian crosses, in case the installed compiler is not fully 2990 # compatible with the compiler being built. In this case, it 2991 # would be better to flag an error than risking having 2992 # incompatible object files being constructed. We can't 2993 # guarantee that an error will be flagged, but let's hope the 2994 # compiler will do it, when presented with incompatible header 2995 # files. 2996 fi 2997 fi 2998 2999 case "${target}-${is_cross_compiler}" in 3000 i[[3456789]]86-*-linux*-no) 3001 # Here host == target, so we don't need to build gcc, 3002 # so we don't want to discard standard headers. 3003 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3004 ;; 3005 *) 3006 # If we're building newlib, use its generic headers last, but search 3007 # for any libc-related directories first (so make it the last -B 3008 # switch). 3009 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3010 3011 # If we're building libgloss, find the startup file, simulator library 3012 # and linker script. 3013 case " $target_configdirs " in 3014 *" libgloss "*) 3015 # Look for startup file, simulator library and maybe linker script. 3016 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3017 # Look for libnosys.a in case the target needs it. 3018 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3019 # Most targets have the linker script in the source directory. 3020 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3021 ;; 3022 esac 3023 ;; 3024 esac 3025 ;; 3026 esac 3027 ;; 3028 esac 3029 3030 case "$target" in 3031 x86_64-*mingw* | *-w64-mingw*) 3032 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3033 # however, use a symlink named 'mingw' in ${prefix} . 3034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3035 ;; 3036 *-mingw*) 3037 # MinGW can't be handled as Cygwin above since it does not use newlib. 3038 FLAGS_FOR_TARGET=$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' 3039 ;; 3040 esac 3041 3042 # Allow the user to override the flags for 3043 # our build compiler if desired. 3044 if test x"${build}" = x"${host}" ; then 3045 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3046 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3047 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3048 fi 3049 3050 # On Canadian crosses, we'll be searching the right directories for 3051 # the previously-installed cross compiler, so don't bother to add 3052 # flags for directories within the install tree of the compiler 3053 # being built; programs in there won't even run. 3054 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3055 # Search for pre-installed headers if nothing else fits. 3056 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3057 fi 3058 3059 if test "x${use_gnu_ld}" = x && 3060 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3061 # Arrange for us to find uninstalled linker scripts. 3062 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3063 fi 3064 3065 # Search for other target-specific linker scripts and such. 3066 case "${target}" in 3067 mep*) 3068 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3069 ;; 3070 esac 3071 3072 # Makefile fragments. 3073 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3074 do 3075 eval fragval=\$$frag 3076 if test $fragval != /dev/null; then 3077 eval $frag=${srcdir}/$fragval 3078 fi 3079 done 3080 AC_SUBST_FILE(host_makefile_frag) 3081 AC_SUBST_FILE(target_makefile_frag) 3082 AC_SUBST_FILE(alphaieee_frag) 3083 AC_SUBST_FILE(ospace_frag) 3084 3085 # Miscellanea: directories, flags, etc. 3086 AC_SUBST(RPATH_ENVVAR) 3087 AC_SUBST(GCC_SHLIB_SUBDIR) 3088 AC_SUBST(tooldir) 3089 AC_SUBST(build_tooldir) 3090 AC_SUBST(CONFIGURE_GDB_TK) 3091 AC_SUBST(GDB_TK) 3092 AC_SUBST(INSTALL_GDB_TK) 3093 3094 # Build module lists & subconfigure args. 3095 AC_SUBST(build_configargs) 3096 AC_SUBST(build_configdirs) 3097 3098 # Host module lists & subconfigure args. 3099 AC_SUBST(host_configargs) 3100 AC_SUBST(configdirs) 3101 AC_SUBST(target_configdirs) 3102 3103 # Target module lists & subconfigure args. 3104 AC_SUBST(target_configargs) 3105 3106 3107 # Build tools. 3108 AC_SUBST(AR_FOR_BUILD) 3109 AC_SUBST(AS_FOR_BUILD) 3110 AC_SUBST(CC_FOR_BUILD) 3111 AC_SUBST(CFLAGS_FOR_BUILD) 3112 AC_SUBST(CXXFLAGS_FOR_BUILD) 3113 AC_SUBST(CXX_FOR_BUILD) 3114 AC_SUBST(DLLTOOL_FOR_BUILD) 3115 AC_SUBST(GCJ_FOR_BUILD) 3116 AC_SUBST(GFORTRAN_FOR_BUILD) 3117 AC_SUBST(GOC_FOR_BUILD) 3118 AC_SUBST(LDFLAGS_FOR_BUILD) 3119 AC_SUBST(LD_FOR_BUILD) 3120 AC_SUBST(NM_FOR_BUILD) 3121 AC_SUBST(RANLIB_FOR_BUILD) 3122 AC_SUBST(WINDMC_FOR_BUILD) 3123 AC_SUBST(WINDRES_FOR_BUILD) 3124 3125 # Generate default definitions for YACC, M4, LEX and other programs that run 3126 # on the build machine. These are used if the Makefile can't locate these 3127 # programs in objdir. 3128 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3129 3130 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3131 case " $build_configdirs " in 3132 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3133 esac 3134 3135 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3136 case " $build_configdirs " in 3137 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3138 esac 3139 3140 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3141 case " $build_configdirs " in 3142 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3143 esac 3144 3145 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3146 case " $build_configdirs " in 3147 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3148 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3149 esac 3150 3151 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3152 case " $build_configdirs " in 3153 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3154 esac 3155 3156 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3157 case " $build_configdirs " in 3158 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3159 *) 3160 changequote(,) 3161 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3162 # higher, else we use the "missing" dummy. 3163 if ${MAKEINFO} --version \ 3164 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3165 : 3166 else 3167 MAKEINFO="$MISSING makeinfo" 3168 fi 3169 ;; 3170 changequote([,]) 3171 esac 3172 3173 # FIXME: expect and dejagnu may become build tools? 3174 3175 AC_CHECK_PROGS(EXPECT, expect, expect) 3176 case " $configdirs " in 3177 *" expect "*) 3178 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3179 ;; 3180 esac 3181 3182 AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3183 case " $configdirs " in 3184 *" dejagnu "*) 3185 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3186 ;; 3187 esac 3188 3189 3190 # Host tools. 3191 NCN_STRICT_CHECK_TOOLS(AR, ar) 3192 NCN_STRICT_CHECK_TOOLS(AS, as) 3193 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3194 NCN_STRICT_CHECK_TOOLS(LD, ld) 3195 NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3196 NCN_STRICT_CHECK_TOOLS(NM, nm) 3197 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3198 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3199 NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3200 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3201 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3202 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3203 NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3204 AC_SUBST(CC) 3205 AC_SUBST(CXX) 3206 AC_SUBST(CFLAGS) 3207 AC_SUBST(CXXFLAGS) 3208 3209 # Target tools. 3210 AC_ARG_WITH([build-time-tools], 3211 [AS_HELP_STRING([--with-build-time-tools=PATH], 3212 [use given path to find target tools during the build])], 3213 [case x"$withval" in 3214 x/*) ;; 3215 *) 3216 with_build_time_tools= 3217 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3218 ;; 3219 esac], 3220 [with_build_time_tools=]) 3221 3222 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3223 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3224 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3225 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3226 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3227 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3228 3229 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3230 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3231 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3232 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3233 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3234 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3235 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3236 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3237 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3238 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3239 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3240 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3241 3242 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3243 3244 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3245 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3246 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3247 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3248 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3249 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3250 c++) 3251 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3252 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3253 c++) 3254 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3255 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3256 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3257 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3258 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3259 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3260 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3261 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3262 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3263 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3264 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3265 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3266 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3267 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3268 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3269 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3270 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3271 3272 AC_SUBST(FLAGS_FOR_TARGET) 3273 AC_SUBST(RAW_CXX_FOR_TARGET) 3274 3275 # Certain tools may need extra flags. 3276 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3277 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3278 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3279 3280 # When building target libraries, except in a Canadian cross, we use 3281 # the same toolchain as the compiler we just built. 3282 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3283 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3284 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3285 if test $host = $build; then 3286 case " $configdirs " in 3287 *" gcc "*) 3288 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3289 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3290 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3291 ;; 3292 esac 3293 fi 3294 3295 AC_SUBST(COMPILER_AS_FOR_TARGET) 3296 AC_SUBST(COMPILER_LD_FOR_TARGET) 3297 AC_SUBST(COMPILER_NM_FOR_TARGET) 3298 3299 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3300 AC_ARG_ENABLE(maintainer-mode, 3301 [AS_HELP_STRING([--enable-maintainer-mode], 3302 [enable make rules and dependencies not useful 3303 (and sometimes confusing) to the casual installer])], 3304 USE_MAINTAINER_MODE=$enableval, 3305 USE_MAINTAINER_MODE=no) 3306 AC_MSG_RESULT($USE_MAINTAINER_MODE) 3307 AC_SUBST(MAINTAINER_MODE_TRUE) 3308 AC_SUBST(MAINTAINER_MODE_FALSE) 3309 if test "$USE_MAINTAINER_MODE" = yes; then 3310 MAINTAINER_MODE_TRUE= 3311 MAINTAINER_MODE_FALSE='#' 3312 else 3313 MAINTAINER_MODE_TRUE='#' 3314 MAINTAINER_MODE_FALSE= 3315 fi 3316 MAINT=$MAINTAINER_MODE_TRUE 3317 AC_SUBST(MAINT)dnl 3318 3319 # --------------------- 3320 # GCC bootstrap support 3321 # --------------------- 3322 3323 # Stage specific cflags for build. 3324 stage1_cflags="-g" 3325 case $build in 3326 vax-*-*) 3327 case ${GCC} in 3328 yes) stage1_cflags="-g -Wa,-J" ;; 3329 *) stage1_cflags="-g -J" ;; 3330 esac ;; 3331 esac 3332 3333 AC_SUBST(stage1_cflags) 3334 3335 # Enable --enable-checking in stage1 of the compiler. 3336 AC_ARG_ENABLE(stage1-checking, 3337 [AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3338 [choose additional checking for stage1 of the compiler])], 3339 [stage1_checking=--enable-checking=${enable_stage1_checking}], 3340 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3341 stage1_checking=--enable-checking=yes,types 3342 else 3343 stage1_checking=--enable-checking=$enable_checking,types 3344 fi]) 3345 AC_SUBST(stage1_checking) 3346 3347 # Enable -Werror in bootstrap stage2 and later. 3348 AC_ARG_ENABLE(werror, 3349 [AS_HELP_STRING([--enable-werror], 3350 [enable -Werror in bootstrap stage2 and later])], [], 3351 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3352 enable_werror=yes 3353 else 3354 enable_werror=no 3355 fi]) 3356 case ${enable_werror} in 3357 yes) stage2_werror_flag="--enable-werror-always" ;; 3358 *) stage2_werror_flag="" ;; 3359 esac 3360 AC_SUBST(stage2_werror_flag) 3361 3362 # Enable --enable-host-shared. 3363 AC_ARG_ENABLE(host-shared, 3364 [AS_HELP_STRING([--enable-host-shared], 3365 [build host code as shared libraries])], 3366 [host_shared=$enableval], [host_shared=no]) 3367 AC_SUBST(host_shared) 3368 3369 # Specify what files to not compare during bootstrap. 3370 3371 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3372 case "$target" in 3373 hppa*64*-*-hpux*) ;; 3374 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3375 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3376 esac 3377 AC_SUBST(compare_exclusions) 3378 3379 AC_CONFIG_FILES([Makefile], 3380 [sed "$extrasub_build" Makefile | 3381 sed "$extrasub_host" | 3382 sed "$extrasub_target" > mf$$ 3383 mv -f mf$$ Makefile], 3384 [extrasub_build="$extrasub_build" 3385 extrasub_host="$extrasub_host" 3386 extrasub_target="$extrasub_target"]) 3387 AC_OUTPUT 3388
