configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 AC_INIT(move-if-change)
  22 AC_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 # Get 'install' or 'install-sh' and its variants.
  27 AC_PROG_INSTALL
  28
  29 sinclude(config/acx.m4)
  30
  31 ### we might need to use some other shell than /bin/sh for running subshells
  32 ### If we are on Windows, search for the shell.  This will permit people
  33 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  34 ### without also having to set CONFIG_SHELL.  This code will work when
  35 ### using bash, which sets OSTYPE.
  36 case "${OSTYPE}" in
  37 *win32*)
  38   if test x${CONFIG_SHELL} = x ; then
  39     if test ! -f /bin/sh ; then
  40       if test x${SHELL} != x && test -f ${SHELL} ; then
  41         CONFIG_SHELL=${SHELL}
  42         export CONFIG_SHELL
  43       else
  44         for prog in sh sh.exe bash bash.exe; do
  45           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  46           for dir in $PATH; do
  47             test -z "$dir" && dir=.
  48             if test -f $dir/$prog; then
  49               CONFIG_SHELL=$dir/$prog
  50               export CONFIG_SHELL
  51               break
  52             fi
  53           done
  54           IFS="$save_ifs"
  55           test -n "${CONFIG_SHELL}" && break
  56         done
  57       fi
  58     fi
  59   fi
  60   ;;
  61 esac
  62
  63 config_shell=${CONFIG_SHELL-/bin/sh}
  64
  65 progname=$0
  66 # if PWD already has a value, it is probably wrong.
  67 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded by make, so quote '$'.
  71 tmp="$progname $@"
  72 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
  73 $tmp
  74 EOF_SED
  75 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
  76 rm -f conftestsed.out
  77 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  78
  79 moveifchange=${srcdir}/move-if-change
  80
  81 # Set srcdir to "." if that's what it is.
  82 # This is important for multilib support.
  83 pwd=`${PWDCMD-pwd}`
  84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  85 if test "${pwd}" = "${srcpwd}" ; then
  86   srcdir=.
  87 fi
  88
  89 topsrcdir=$srcpwd
  90
  91 extra_host_args=
  92 # Define the trigger file to make sure configure will re-run whenever
  93 # the gcc version number changes.
  94 if test "${with_gcc_version_trigger+set}" = set ; then
  95   gcc_version_trigger="$with_gcc_version_trigger"
  96   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  97 else
  98   # If gcc's sources are available, define the trigger file.
  99   if test -f ${topsrcdir}/gcc/version.c ; then
 100     gcc_version_trigger=${topsrcdir}/gcc/version.c
 101     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 102     case "$ac_configure_args" in
 103       *--with-gcc-version-trigger=$gcc_version_trigger* )
 104         ;;
 105       * )
 106         # Add to all subconfigure arguments: build, host, and target.
 107         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 108         ;;
 109     esac
 110   fi
 111 fi
 112
 113 ### To add a new directory to the tree, first choose whether it is a target
 114 ### or a host dependent tool.  Then put it into the appropriate list
 115 ### (library or tools, host or target), doing a dependency sort.
 116
 117 # Subdirs will be configured in the order listed in build_configdirs,
 118 # configdirs, or target_configdirs; see the serialization section below.
 119
 120 # Dependency sorting is only needed when *configuration* must be done in
 121 # a particular order.  In all cases a dependency should be specified in
 122 # the Makefile, whether or not it's implicitly specified here.
 123
 124 # Double entries in build_configdirs, configdirs, or target_configdirs may
 125 # cause circular dependencies and break everything horribly.
 126
 127 # these libraries are used by various programs built for the host environment
 128 #
 129 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib libbanshee libcpp"
 130
 131 # these tools are built for the host environment
 132 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 133 # know that we are building the simulator.
 134 # binutils, gas and ld appear in that order because it makes sense to run
 135 # "make check" in that particular order.
 136 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
 137
 138 # libgcj represents the runtime libraries only used by gcj.
 139 libgcj="target-libffi \
 140         target-boehm-gc \
 141         target-zlib \
 142         target-qthreads \
 143         target-libjava"
 144
 145 # these libraries are built for the target environment, and are built after
 146 # the host libraries and the host tools (which may be a cross compiler)
 147 #
 148 target_libraries="target-libiberty \
 149                 target-libgloss \
 150                 target-newlib \
 151                 target-libstdc++-v3 \
 152                 target-libmudflap \
 153                 target-libgfortran \
 154                 ${libgcj} \
 155                 target-libobjc \
 156                 target-libada"
 157
 158 # these tools are built using the target libraries, and are intended to
 159 # run only in the target environment
 160 #
 161 # note: any program that *uses* libraries that are in the "target_libraries"
 162 # list belongs in this list.  those programs are also very likely
 163 # candidates for the "native_only" list which follows
 164 #
 165 target_tools="target-examples target-groff target-gperf target-rda"
 166
 167 ################################################################################
 168
 169 ## All tools belong in one of the four categories, and are assigned above
 170 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 171 ## is important because configure will choke if they ever get through.
 172 ## ${configdirs} is directories we build using the host tools.
 173 ## ${target_configdirs} is directories we build using the target tools.
 174 #
 175 configdirs=`echo ${host_libs} ${host_tools}`
 176 target_configdirs=`echo ${target_libraries} ${target_tools}`
 177
 178 # Only make build modules if build != host.
 179 # This should be done more generally, but at the moment it doesn't matter.
 180 if test ${host_alias} != ${build_alias} ; then
 181   # This is the only build module.
 182   build_modules=libiberty
 183 else
 184   build_modules=
 185 fi
 186
 187
 188 ################################################################################
 189
 190 srcname="gnu development package"
 191
 192 # This gets set non-empty for some net releases of packages.
 193 appdirs=""
 194
 195 # Define is_cross_compiler to save on calls to 'test'.
 196 is_cross_compiler=
 197 if test x"${host}" = x"${target}" ; then
 198   is_cross_compiler=no
 199 else
 200   is_cross_compiler=yes
 201 fi
 202
 203 # Find the build and target subdir names.
 204 GCC_TOPLEV_SUBDIRS
 205
 206 # Skipdirs are removed silently.
 207 skipdirs=
 208 # Noconfigdirs are removed loudly.
 209 noconfigdirs=""
 210
 211 use_gnu_ld=
 212 # Make sure we don't let GNU ld be added if we didn't want it.
 213 if test x$with_gnu_ld = xno ; then
 214   use_gnu_ld=no
 215   noconfigdirs="$noconfigdirs ld"
 216 fi
 217
 218 use_gnu_as=
 219 # Make sure we don't let GNU as be added if we didn't want it.
 220 if test x$with_gnu_as = xno ; then
 221   use_gnu_as=no
 222   noconfigdirs="$noconfigdirs gas"
 223 fi
 224
 225 # some tools are so dependent upon X11 that if we're not building with X,
 226 # it's not even worth trying to configure, much less build, that tool.
 227
 228 case ${with_x} in
 229   yes | "") ;; # the default value for this tree is that X11 is available
 230   no)
 231     skipdirs="${skipdirs} tk tix itcl libgui"
 232     # We won't be able to build gdbtk without X.
 233     enable_gdbtk=no
 234     ;;
 235   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 236 esac
 237
 238 # Some tools are only suitable for building in a "native" situation.
 239 # Remove these if host!=target.
 240 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
 241
 242 # Similarly, some are only suitable for cross toolchains.
 243 # Remove these if host=target.
 244 cross_only="target-libgloss target-newlib target-opcodes"
 245
 246 case $is_cross_compiler in
 247   no) skipdirs="${skipdirs} ${cross_only}" ;;
 248   yes) skipdirs="${skipdirs} ${native_only}" ;;
 249 esac
 250
 251 # If both --with-headers and --with-libs are specified, default to
 252 # --without-newlib.
 253 if test x"${with_headers}" != x && test x"${with_headers} != xno \
 254    && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
 255   if test x"${with_newlib}" = x ; then
 256     with_newlib=no
 257   fi
 258 fi
 259
 260 # Recognize --with-newlib/--without-newlib.
 261 case ${with_newlib} in
 262   no) skipdirs="${skipdirs} target-newlib" ;;
 263   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 264 esac
 265
 266 # Configure extra directories which are host specific
 267
 268 case "${host}" in
 269   *-cygwin*)
 270     configdirs="$configdirs libtermcap" ;;
 271 esac
 272
 273 # Remove more programs from consideration, based on the host or
 274 # target this usually means that a port of the program doesn't
 275 # exist yet.
 276
 277 case "${host}" in
 278   hppa*64*-*-*)
 279     noconfigdirs="$noconfigdirs byacc"
 280     ;;
 281   i[[3456789]]86-*-vsta)
 282     noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 283     ;;
 284   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 285     noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 286     ;;
 287   i[[3456789]]86-*-mingw32*)
 288     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 289     noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 290     ;;
 291   i[[3456789]]86-*-beos*)
 292     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 293     ;;
 294   *-*-cygwin*)
 295     noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
 296     ;;
 297   *-*-netbsd*)
 298     noconfigdirs="$noconfigdirs rcs"
 299     ;;
 300   ppc*-*-pe)
 301     noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 302     ;;
 303   powerpc-*-beos*)
 304     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 305     ;;
 306   *-*-darwin*)
 307     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 308     ;;
 309 esac
 310
 311 AC_ARG_WITH(libbanshee,
 312 [  --without-libbanshee   Don't build with libbanshee])
 313 case ${with_libbanshee} in
 314   no)
 315     noconfigdirs="$noconfigdirs libbanshee" ;;
 316   yes|"")
 317     with_libbanshee=yes
 318     ;;
 319   *)
 320     AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
 321 esac
 322
 323 AC_ARG_ENABLE(libada,
 324 [  --enable-libada        Builds libada directory],
 325 ENABLE_LIBADA=$enableval,
 326 ENABLE_LIBADA=yes)
 327 if test "${ENABLE_LIBADA}" != "yes" ; then
 328   noconfigdirs="$noconfigdirs target-libada"
 329 fi
 330
 331 # Save it here so that, even in case of --enable-libgcj, if the Java
 332 # front-end isn't enabled, we still get libgcj disabled.
 333 libgcj_saved=$libgcj
 334 case $enable_libgcj in
 335 yes)
 336   # If we reset it here, it won't get added to noconfigdirs in the
 337   # target-specific build rules, so it will be forcibly enabled
 338   # (unless the Java language itself isn't enabled).
 339   libgcj=
 340   ;;
 341 no)
 342   # Make sure we get it printed in the list of not supported target libs.
 343   noconfigdirs="$noconfigdirs ${libgcj}"
 344   ;;
 345 esac
 346
 347
 348 # Allow --disable-libmudflap to exclude target-libmudflap
 349 case $enable_libmudflap in
 350 yes | "")
 351     # By default it's enabled
 352     ;;
 353 no)
 354     noconfigdirs="$noconfigdirs target-libmudflap"
 355     ;;
 356 esac
 357
 358
 359 case "${target}" in
 360   *-*-chorusos)
 361     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 362     ;;
 363   powerpc-*-darwin*)
 364     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 365     noconfigdirs="$noconfigdirs target-libobjc"
 366     ;;
 367   *-*-darwin*)
 368     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 369     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 370     ;;
 371   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 372     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 373     ;;
 374   *-*-freebsd* | *-*-kfreebsd*-gnu)
 375     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 376     if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
 377         && test -f /usr/local/include/gmp.h; then
 378       with_gmp=/usr/local
 379     fi
 380
 381     # Skip some stuff that's unsupported on some FreeBSD configurations.
 382     case "${target}" in
 383       i*86-*-*) ;;
 384       alpha*-*-*) ;;
 385       *)
 386         noconfigdirs="$noconfigdirs ${libgcj}"
 387         ;;
 388     esac
 389     ;;
 390   *-*-kaos*)
 391     # Remove unsupported stuff on all kaOS configurations.
 392     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
 393     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 394     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 395     noconfigdirs="$noconfigdirs target-libgloss"
 396     ;;
 397   *-*-netbsd*)
 398     # Skip some stuff on all NetBSD configurations.
 399     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 400
 401     # Skip some stuff that's unsupported on some NetBSD configurations.
 402     case "${target}" in
 403       i*86-*-netbsdelf*) ;;
 404       arm*-*-netbsdelf*) ;;
 405       *)
 406         noconfigdirs="$noconfigdirs ${libgcj}"
 407         ;;
 408     esac
 409     ;;
 410   *-*-netware)
 411     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 412     ;;
 413   *-*-rtems*)
 414     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 415     ;;
 416   *-*-uclinux*)
 417     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
 418     ;;
 419   *-*-vxworks*)
 420     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
 421     ;;
 422   alpha*-dec-osf*)
 423     # ld works, but does not support shared libraries.
 424     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 425     # gas doesn't generate exception information.
 426     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 427     ;;
 428   alpha*-*-*vms*)
 429     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 430     ;;
 431   alpha*-*-linux*)
 432     # newlib is not 64 bit ready
 433     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 434     ;;
 435   alpha*-*-*)
 436     # newlib is not 64 bit ready
 437     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 438     ;;
 439   am33_2.0-*-linux*)
 440     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 441     ;;
 442   sh-*-linux*)
 443     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 444     ;;
 445   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 446     noconfigdirs="$noconfigdirs ${libgcj}"
 447     noconfigdirs="$noconfigdirs target-examples"
 448     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 449     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 450     noconfigdirs="$noconfigdirs expect dejagnu"
 451     # the C++ libraries don't build on top of CE's C libraries
 452     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 453     noconfigdirs="$noconfigdirs target-newlib"
 454     case "${host}" in
 455       *-*-cygwin*) ;; # keep gdb and readline
 456       *) noconfigdirs="$noconfigdirs gdb readline"
 457          ;;
 458     esac
 459     ;;
 460   arc-*-*)
 461     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 462     ;;
 463   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 464     noconfigdirs="$noconfigdirs ${libgcj}"
 465     ;;
 466   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 467     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 468     ;;
 469   arm-*-pe*)
 470     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 471     ;;
 472   arm-*-oabi*)
 473     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 474     ;;
 475   thumb-*-coff)
 476     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 477     ;;
 478   thumb-*-elf)
 479     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 480     ;;
 481   thumb-*-oabi)
 482     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 483     ;;
 484   thumb-*-pe)
 485     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 486     ;;
 487   arm-*-riscix*)
 488     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 489     ;;
 490   avr-*-*)
 491     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 492     ;;
 493   c4x-*-* | tic4x-*-*)
 494     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 495     ;;
 496   c54x*-*-* | tic54x-*-*)
 497     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 498     ;;
 499   cris-*-*)
 500     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 501     ;;
 502   d10v-*-*)
 503     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 504     ;;
 505   d30v-*-*)
 506     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 507     ;;
 508   fr30-*-elf*)
 509     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 510     ;;
 511   frv-*-*)
 512     noconfigdirs="$noconfigdirs ${libgcj}"
 513     ;;
 514   h8300*-*-*)
 515     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 516     ;;
 517   h8500-*-*)
 518     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 519     ;;
 520   hppa*64*-*-linux* | parisc*64*-*-linux*)
 521     # In this case, it's because the hppa64-linux target is for
 522     # the kernel only at this point and has no libc, and thus no
 523     # headers, crt*.o, etc., all of which are needed by these.
 524     noconfigdirs="$noconfigdirs target-zlib"
 525     ;;
 526   hppa*-*-*elf* | \
 527   parisc*-*-linux* | hppa*-*-linux* | \
 528   hppa*-*-lites* | \
 529   hppa*-*-openbsd* | \
 530   hppa*64*-*-*)
 531     noconfigdirs="$noconfigdirs ${libgcj}"
 532     # Do configure ld/binutils/gas for this case.
 533     ;;
 534   hppa*-*-*)
 535     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 536     # build on HP-UX 10.20.
 537     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 538     ;;
 539   i960-*-*)
 540     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 541     ;;
 542   ia64*-*-elf*)
 543     # No gdb support yet.
 544     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 545     ;;
 546   ia64*-**-hpux*)
 547     # No gdb or ld support yet.
 548     noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
 549     ;;
 550   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 551     noconfigdirs="$noconfigdirs ${libgcj}"
 552     ;;
 553   i[[3456789]]86-*-linux*)
 554     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 555     # not build java stuff by default.
 556     case "${target}" in
 557       *-*-*libc1*)
 558         noconfigdirs="$noconfigdirs ${libgcj}";;
 559     esac
 560
 561     # This section makes it possible to build newlib natively on linux.
 562     # If we are using a cross compiler then don't configure newlib.
 563     if test x${is_cross_compiler} != xno ; then
 564       noconfigdirs="$noconfigdirs target-newlib"
 565     fi
 566     noconfigdirs="$noconfigdirs target-libgloss"
 567     # If we are not using a cross compiler, do configure newlib.
 568     # Note however, that newlib will only be configured in this situation
 569     # if the --with-newlib option has been given, because otherwise
 570     # 'target-newlib' will appear in skipdirs.
 571     ;;
 572   i[[3456789]]86-*-mingw32*)
 573     target_configdirs="$target_configdirs target-mingw"
 574     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 575
 576     # Can't build gdb for mingw32 if not native.
 577     case "${host}" in
 578       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 579       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 580          ;;
 581     esac
 582     ;;
 583   *-*-cygwin*)
 584     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 585     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 586     # always build newlib.
 587     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 588
 589     # Can't build gdb for Cygwin if not native.
 590     case "${host}" in
 591       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 592       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 593          ;;
 594     esac
 595     ;;
 596   i[[3456789]]86-*-pe)
 597     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 598     ;;
 599   i[[3456789]]86-*-sco3.2v5*)
 600     # The linker does not yet know about weak symbols in COFF,
 601     # and is not configured to handle mixed ELF and COFF.
 602     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 603     ;;
 604   i[[3456789]]86-*-sco*)
 605     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 606     ;;
 607   i[[3456789]]86-*-solaris2*)
 608     noconfigdirs="$noconfigdirs target-libgloss"
 609     ;;
 610   i[[3456789]]86-*-sysv4*)
 611     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 612     ;;
 613   i[[3456789]]86-*-beos*)
 614     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 615     ;;
 616   m32r-*-*)
 617     noconfigdirs="$noconfigdirs ${libgcj}"
 618     ;;
 619   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 620     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 621     ;;
 622   m68k-*-elf*)
 623     noconfigdirs="$noconfigdirs ${libgcj}"
 624     ;;
 625   m68k-*-coff*)
 626     noconfigdirs="$noconfigdirs ${libgcj}"
 627     ;;
 628   mcore-*-pe*)
 629   # The EPOC C++ environment does not support exceptions or rtti,
 630   # and so building libstdc++-v3 tends not to always work.
 631     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 632     ;;
 633   mmix-*-*)
 634     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 635     ;;
 636   mn10200-*-*)
 637     noconfigdirs="$noconfigdirs ${libgcj}"
 638     ;;
 639   mn10300-*-*)
 640     noconfigdirs="$noconfigdirs ${libgcj}"
 641     ;;
 642   powerpc-*-aix*)
 643     # copied from rs6000-*-* entry
 644     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 645     ;;
 646   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 647     target_configdirs="$target_configdirs target-winsup"
 648     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 649     # always build newlib.
 650     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 651     ;;
 652     # This is temporary until we can link against shared libraries
 653   powerpcle-*-solaris*)
 654     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 655     ;;
 656   powerpc-*-beos*)
 657     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 658     ;;
 659   powerpc-*-eabi)
 660     noconfigdirs="$noconfigdirs ${libgcj}"
 661     ;;
 662   rs6000-*-lynxos*)
 663     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 664     ;;
 665   rs6000-*-aix*)
 666     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 667     ;;
 668   rs6000-*-*)
 669     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 670     ;;
 671   m68k-apollo-*)
 672     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 673     ;;
 674   mips*-*-irix5*)
 675     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 676     ;;
 677   mips*-*-irix6*)
 678     # Linking libjava exceeds command-line length limits on at least
 679     # IRIX 6.2, but not on IRIX 6.5.
 680     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 681     # <oldham@codesourcery.com>
 682     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 683     ;;
 684   mips*-dec-bsd*)
 685     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 686     ;;
 687   mips*-*-bsd*)
 688     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 689     ;;
 690   mipstx39-*-*)
 691     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 692     ;;
 693   mips64*-*-linux*)
 694     noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
 695     ;;
 696   mips*-*-linux*)
 697     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 698     ;;
 699   mips*-*-*)
 700     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 701     ;;
 702   romp-*-*)
 703     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 704     ;;
 705   sh-*-*)
 706     case "${host}" in
 707       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 708       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 709       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 710       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 711     esac
 712     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 713     ;;
 714   sh64-*-*)
 715     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 716     ;;
 717   sparc-*-elf*)
 718     noconfigdirs="$noconfigdirs ${libgcj}"
 719     ;;
 720   sparc64-*-elf*)
 721     noconfigdirs="$noconfigdirs ${libgcj}"
 722     ;;
 723   sparclite-*-*)
 724     noconfigdirs="$noconfigdirs ${libgcj}"
 725     ;;
 726   sparc-*-sunos4*)
 727     noconfigdirs="$noconfigdirs ${libgcj}"
 728     if test x${is_cross_compiler} != xno ; then
 729            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 730     else
 731            use_gnu_ld=no
 732     fi
 733     ;;
 734   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 735     ;;
 736   v810-*-*)
 737     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 738     ;;
 739   v850-*-*)
 740     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 741     ;;
 742   v850e-*-*)
 743     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 744     ;;
 745   v850ea-*-*)
 746     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 747     ;;
 748   vax-*-vms)
 749     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 750     ;;
 751   vax-*-*)
 752     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 753     ;;
 754   xtensa-*-*)
 755     noconfigdirs="$noconfigdirs ${libgcj}"
 756     ;;
 757   ip2k-*-*)
 758     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 759     ;;
 760   *-*-linux*)
 761     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 762     ;;
 763   *-*-lynxos*)
 764     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 765     ;;
 766   *-*-*)
 767     noconfigdirs="$noconfigdirs ${libgcj}"
 768     ;;
 769 esac
 770
 771 # If we aren't building newlib, then don't build libgloss, since libgloss
 772 # depends upon some newlib header files.
 773 case "${noconfigdirs}" in
 774   *target-libgloss*) ;;
 775   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 776 esac
 777
 778 # Work in distributions that contain no compiler tools, like Autoconf.
 779 tentative_cc=""
 780 host_makefile_frag=/dev/null
 781 if test -d ${srcdir}/config ; then
 782 case "${host}" in
 783   m68k-hp-hpux*)
 784     # Avoid "too much defining" errors from HPUX compiler.
 785     tentative_cc="cc -Wp,-H256000"
 786     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
 787     # If it's HP/UX ar, this should be harmless.
 788     RANLIB="ar ts"
 789     ;;
 790   m68k-apollo-sysv*)
 791     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
 792     ;;
 793   m68k-apollo-bsd*)
 794     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
 795     # chokes on bfd, the compiler won't let you assign integers to enums, and
 796     # other problems.  Defining CC to gcc is a questionable way to say "don't use
 797     # the apollo compiler" (the preferred version of GCC could be called cc,
 798     # or whatever), but I'm not sure leaving CC as cc is any better...
 799     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
 800     # Used to have BISON=yacc.
 801     tentative_cc=gcc
 802     ;;
 803   m88k-dg-dgux*)
 804     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 805     ;;
 806   m88k-harris-cxux*)
 807     # Under CX/UX, we want to tell the compiler to use ANSI mode.
 808     tentative_cc="cc -Xa"
 809     host_makefile_frag="config/mh-cxux"
 810     ;;
 811   m88k-motorola-sysv*)
 812     ;;
 813   mips*-dec-ultrix*)
 814     tentative_cc="cc -Wf,-XNg1000"
 815     host_makefile_frag="config/mh-decstation"
 816     ;;
 817   mips*-nec-sysv4*)
 818     # The C compiler on NEC MIPS SVR4 needs bigger tables.
 819     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
 820     host_makefile_frag="config/mh-necv4"
 821     ;;
 822   mips*-sgi-irix4*)
 823     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
 824     # environment.  Also bump switch table size so that cp-parse will
 825     # compile.  Bump string length limit so linker builds.
 826     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
 827     ;;
 828   mips*-*-sysv4*)
 829     host_makefile_frag="config/mh-sysv4"
 830     ;;
 831   mips*-*-sysv*)
 832     # This is for a MIPS running RISC/os 4.52C.
 833
 834     # This is needed for GDB, but needs to be in the top-level make because
 835     # if a library is compiled with the bsd headers and gets linked with the
 836     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
 837     # a different size).
 838     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
 839     # known except to select the sysv environment.  Could we use /proc instead?
 840     # These "sysv environments" and "bsd environments" often end up being a pain.
 841     #
 842     # This is not part of CFLAGS because perhaps not all C compilers have this
 843     # option.
 844     tentative_cc="cc -systype sysv"
 845     ;;
 846   i370-ibm-opened*)
 847     tentative_cc="c89"
 848     ;;
 849   i[[3456789]]86-*-sysv5*)
 850     host_makefile_frag="config/mh-sysv5"
 851     ;;
 852   i[[3456789]]86-*-dgux*)
 853     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 854     host_makefile_frag="config/mh-dgux386"
 855     ;;
 856   i[[3456789]]86-ncr-sysv4.3*)
 857     # The MetaWare compiler will generate a copyright message unless you
 858     # turn it off by adding the -Hnocopyr flag.
 859     tentative_cc="cc -Hnocopyr"
 860     ;;
 861   i[[3456789]]86-ncr-sysv4*)
 862     # for an NCR 3000 (i486/SVR4) system.
 863     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
 864     # This compiler not only emits obnoxious copyright messages every time
 865     # you run it, but it chokes and dies on a whole bunch of GNU source
 866     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
 867     tentative_cc="/usr/ccs/ATT/cc"
 868     host_makefile_frag="config/mh-ncr3000"
 869     ;;
 870   i[[3456789]]86-*-sco3.2v5*)
 871     ;;
 872   i[[3456789]]86-*-sco*)
 873     # The native C compiler botches some simple uses of const.  Unfortunately,
 874     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
 875     tentative_cc="cc -Dconst="
 876     host_makefile_frag="config/mh-sco"
 877     ;;
 878   i[[3456789]]86-*-udk*)
 879     host_makefile_frag="config/mh-sysv5"
 880     ;;
 881   i[[3456789]]86-*-solaris2*)
 882     host_makefile_frag="config/mh-sysv4"
 883     ;;
 884   i[[3456789]]86-*-msdosdjgpp*)
 885     host_makefile_frag="config/mh-djgpp"
 886     ;;
 887   *-cygwin*)
 888     host_makefile_frag="config/mh-cygwin"
 889     ;;
 890   *-mingw32*)
 891     host_makefile_frag="config/mh-mingw32"
 892     ;;
 893   *-interix*)
 894     host_makefile_frag="config/mh-interix"
 895     ;;
 896   vax-*-ultrix2*)
 897     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
 898     tentative_cc=gcc
 899     ;;
 900   *-*-solaris2*)
 901     host_makefile_frag="config/mh-solaris"
 902     ;;
 903   m68k-sun-sunos*)
 904     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
 905     # without overflowing the jump tables (-J says to use a 32 bit table)
 906     tentative_cc="cc -J"
 907     ;;
 908   *-hp-hpux*)
 909     tentative_cc="cc -Wp,-H256000"
 910     ;;
 911   *-*-hiux*)
 912     tentative_cc="cc -Wp,-H256000"
 913     ;;
 914   rs6000-*-lynxos*)
 915     # /bin/cc is less than useful for our purposes.  Always use GCC
 916     tentative_cc="/usr/cygnus/progressive/bin/gcc"
 917     host_makefile_frag="config/mh-lynxrs6k"
 918     ;;
 919   *-*-lynxos*)
 920     # /bin/cc is less than useful for our purposes.  Always use GCC
 921     tentative_cc="/bin/gcc"
 922     ;;
 923   *-*-sysv4*)
 924     host_makefile_frag="config/mh-sysv4"
 925     ;;
 926 esac
 927 fi
 928
 929 # If we aren't going to be using gcc, see if we can extract a definition
 930 # of CC from the fragment.
 931 # Actually, use the 'pre-extracted' version above.
 932 if test -z "${CC}" && test "${build}" = "${host}" ; then
 933   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 934   found=
 935   for dir in $PATH; do
 936     test -z "$dir" && dir=.
 937     if test -f $dir/gcc; then
 938       found=yes
 939       break
 940     fi
 941   done
 942   IFS="$save_ifs"
 943   if test -z "${found}" && test -n "${tentative_cc}" ; then
 944     CC=$tentative_cc
 945   fi
 946 fi
 947
 948 if test "${build}" != "${host}" ; then
 949   # If we are doing a Canadian Cross, in which the host and build systems
 950   # are not the same, we set reasonable default values for the tools.
 951
 952   BISON=${BISON-bison}
 953   CC=${CC-${host_alias}-gcc}
 954   CFLAGS=${CFLAGS-"-g -O2"}
 955   CXX=${CXX-${host_alias}-c++}
 956   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 957   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 958   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 959   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 960   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
 961   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 962   BUILD_PREFIX=${build_alias}-
 963   BUILD_PREFIX_1=${build_alias}-
 964   MAKEINFO=${MAKEINFO-makeinfo}
 965
 966   if test -z "${YACC}" ; then
 967     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 968     for dir in $PATH; do
 969       test -z "$dir" && dir=.
 970       if test -f $dir/bison; then
 971         YACC="bison -y"
 972         break
 973       fi
 974       if test -f $dir/byacc; then
 975         YACC=byacc
 976         break
 977       fi
 978       if test -f $dir/yacc; then
 979         YACC=yacc
 980         break
 981       fi
 982     done
 983     IFS="$save_ifs"
 984     if test -z "${YACC}" ; then
 985       YACC="bison -y"
 986     fi
 987   fi
 988
 989   if test -z "${LEX}" ; then
 990     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 991     for dir in $PATH; do
 992       test -z "$dir" && dir=.
 993       if test -f $dir/flex; then
 994         LEX=flex
 995         break
 996       fi
 997       if test -f $dir/lex; then
 998         LEX=lex
 999         break
1000       fi
1001     done
1002     IFS="$save_ifs"
1003     LEX=${LEX-flex}
1004   fi
1005
1006 else
1007   # Set reasonable default values for some tools even if not Canadian.
1008   # Of course, these are different reasonable default values, originally
1009   # specified directly in the Makefile.
1010   # We don't export, so that autoconf can do its job.
1011   # Note that all these settings are above the fragment inclusion point
1012   # in Makefile.in, so can still be overridden by fragments.
1013   # This is all going to change when we autoconfiscate...
1014
1015   BISON="\$(USUAL_BISON)"
1016   CC_FOR_BUILD="\$(CC)"
1017   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1018   BUILD_PREFIX=
1019   BUILD_PREFIX_1=loser-
1020   MAKEINFO="\$(USUAL_MAKEINFO)"
1021   LEX="\$(USUAL_LEX)"
1022   YACC="\$(USUAL_YACC)"
1023
1024   # If CC is still not set, try to get gcc.
1025   cc_prog_is_gcc=
1026   if test -z "${CC}" ; then
1027     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1028     for dir in $PATH; do
1029       test -z "$dir" && dir=.
1030       if test -f $dir/gcc; then
1031         CC="gcc"
1032         cc_prog_is_gcc=yes
1033         echo 'void f(){}' > conftest.c
1034         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1035           CFLAGS=${CFLAGS-"-g -O2"}
1036           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1037         else
1038           CFLAGS=${CFLAGS-"-O2"}
1039           CXXFLAGS=${CXXFLAGS-"-O2"}
1040         fi
1041         rm -f conftest*
1042         break
1043       fi
1044     done
1045     IFS="$save_ifs"
1046     CC=${CC-cc}
1047   else
1048     # Determine if we are using gcc.
1049     cat > conftest.c <<EOF
1050 #ifdef __GNUC__
1051   yes;
1052 #endif
1053 EOF
1054     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1055       cc_prog_is_gcc=yes
1056     fi
1057     rm -f conftest.c
1058     if test -z "${CFLAGS}"; then
1059       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1060       # is set to a version of gcc.
1061       if test "$cc_prog_is_gcc" = yes; then
1062         echo 'void f(){}' > conftest.c
1063         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1064           CFLAGS=${CFLAGS-"-g -O2"}
1065           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1066         else
1067           CFLAGS=${CFLAGS-"-O2"}
1068           CXXFLAGS=${CXXFLAGS-"-O2"}
1069         fi
1070         rm -f conftest*
1071       fi
1072     fi
1073   fi
1074
1075   # We must set the default linker to the linker used by gcc for the correct
1076   # operation of libtool.  If LD is not defined and we are using gcc, try to
1077   # set the LD default to the ld used by gcc.
1078   if test -z "$LD"; then
1079     if test "$cc_prog_is_gcc" = yes; then
1080       case $build in
1081       *-*-mingw*)
1082         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1083       *)
1084         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1085       esac
1086       case $gcc_prog_ld in
1087       # Accept absolute paths.
1088       [[\\/]* | [A-Za-z]:[\\/]*)]
1089         LD="$gcc_prog_ld" ;;
1090       esac
1091     fi
1092   fi
1093
1094   CXX=${CXX-"c++"}
1095   CFLAGS=${CFLAGS-"-g"}
1096   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1097 fi
1098
1099 ACX_PROG_GNAT
1100 ACX_PROG_CMP_IGNORE_INITIAL
1101
1102 # Check for GMP
1103 gmplibs=
1104 gmpinc=
1105 have_gmp=yes
1106 # Specify a location for gmp
1107 AC_ARG_WITH(gmp-dir, [  --with-gmp-dir=PATH     Specify source directory for GMP library])
1108
1109 if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
1110   gmpinc="-I$with_gmp_dir"
1111   if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1112     gmplibs="$with_gmp_dir/.libs/libgmp.a"
1113   elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1114     gmplibs="$with_gmp_dir/_libs/libgmp.a"
1115   fi
1116   # One of the later tests will catch the error if neither library is present.
1117 fi
1118
1119 AC_ARG_WITH(gmp, [  --with-gmp=PATH         Specify directory for installed GMP library])
1120
1121 if test "x$with_gmp" != x && test -d "$with_gmp"; then
1122   gmplibs="-L$with_gmp/lib -lgmp"
1123   gmpinc="-I$with_gmp/include"
1124 fi
1125
1126 # Use system gmp if nothing else specified
1127 if test "x$gmplibs" = x; then
1128   gmplibs="-lgmp"
1129 fi
1130
1131 saved_CFLAGS="$CFLAGS"
1132 CFLAGS="$CFLAGS $gmpinc"
1133 # Check GMP actually works
1134 AC_MSG_CHECKING([for correct version of gmp.h])
1135 AC_TRY_COMPILE([#include "gmp.h"],[
1136 #if __GNU_MP_VERSION < 3
1137 choke me
1138 #endif
1139 ], [AC_MSG_RESULT([yes])],
1140   [AC_MSG_RESULT([no]); have_gmp=no])
1141
1142 if test x"$have_gmp" = xyes; then
1143   AC_MSG_CHECKING([for mpf_init in -lgmp])
1144
1145   saved_LIBS="$LIBS"
1146   LIBS="$LIBS $gmplibs"
1147   AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
1148     [AC_MSG_RESULT([yes])],  [AC_MSG_RESULT([no]); have_gmp=no])
1149   LIBS="$saved_LIBS"
1150   CFLAGS="$saved_CFLAGS"
1151 fi
1152
1153 AC_SUBST(gmplibs)
1154 AC_SUBST(gmpinc)
1155
1156 # By default, C is the only stage 1 language.
1157 stage1_languages=c
1158 AC_SUBST(stage1_languages)
1159
1160 # Figure out what language subdirectories are present.
1161 # Look if the user specified --enable-languages="..."; if not, use
1162 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1163 # go away some day.
1164 # NB:  embedded tabs in this IF block -- do not untabify
1165 if test -d ${srcdir}/gcc; then
1166   if test x"${enable_languages+set}" != xset; then
1167     if test x"${LANGUAGES+set}" = xset; then
1168       enable_languages="${LANGUAGES}"
1169         echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1170     else
1171       enable_languages=all
1172     fi
1173   else
1174     if test x"${enable_languages}" = x ||
1175        test x"${enable_languages}" = xyes;
1176        then
1177       echo configure.in: --enable-languages needs at least one language argument 1>&2
1178       exit 1
1179     fi
1180   fi
1181   enable_languages=`echo "${enable_languages}" | sed -e 's/[[   ,]][[   ,]]*/,/g' -e 's/,$//'`
1182
1183   # First scan to see if an enabled language requires some other language.
1184   # We assume that a given config-lang.in will list all the language
1185   # front ends it requires, even if some are required indirectly.
1186   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1187     case ${lang_frag} in
1188       ..) ;;
1189       # The odd quoting in the next line works around
1190       # an apparent bug in bash 1.12 on linux.
1191       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1192       *)
1193         # From the config-lang.in, get $language, $lang_requires
1194         language=
1195         lang_requires=
1196         . ${lang_frag}
1197         for other in ${lang_requires} ; do
1198           case ,${enable_languages}, in
1199             *,$other,*) ;;
1200             *,all,*) ;;
1201             *,$language,*)
1202               echo " \`$other' language required by \`$language'; enabling" 1>&2
1203               enable_languages="${enable_languages},${other}"
1204               ;;
1205           esac
1206         done
1207         ;;
1208     esac
1209   done
1210
1211   new_enable_languages=c
1212   missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1213
1214   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1215     case ${lang_frag} in
1216       ..) ;;
1217       # The odd quoting in the next line works around
1218       # an apparent bug in bash 1.12 on linux.
1219       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1220       *)
1221         # From the config-lang.in, get $language, $target_libs,
1222         # $lang_dirs, $boot_language, and $build_by_default
1223         language=
1224         target_libs=
1225         lang_dirs=
1226         boot_language=
1227         build_by_default=
1228         need_gmp=
1229         . ${lang_frag}
1230         # This is quite sensitive to the ordering of the case statement arms.
1231         case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1232           *::*:*)
1233             echo "${lang_frag} doesn't set \$language." 1>&2
1234             exit 1
1235             ;;
1236           *:ada:no:*)
1237             # Ada was requested with no preexisting GNAT.  Disable unconditionally.
1238             add_this_lang=no
1239             ;;
1240           *,${language},*:*:*:*)
1241             # Language was explicitly selected; include it.
1242             add_this_lang=yes
1243             ;;
1244           *,all,*:*:*:no)
1245             # 'all' was selected, but this is not a default language
1246             # so do not include it.
1247             add_this_lang=no
1248             ;;
1249           *,all,*:*:*:*)
1250             # 'all' was selected and this is a default language; include it.
1251             add_this_lang=yes
1252             ;;
1253           *)
1254             add_this_lang=no
1255             ;;
1256         esac
1257
1258         # Disable language that need GMP if it isn't available.
1259         if test  x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
1260           add_this_lang=no
1261         fi
1262
1263         case $add_this_lang in
1264           no)
1265             # Remove language-dependent dirs.
1266             eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1267             ;;
1268           *)
1269             new_enable_languages="$new_enable_languages,$language"
1270             missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1271             case ${boot_language} in
1272               yes)
1273                 # Add to (comma-separated) list of stage 1 languages.
1274                 stage1_languages="${stage1_languages},${language}"
1275                 ;;
1276             esac
1277             ;;
1278         esac
1279         ;;
1280     esac
1281   done
1282
1283   missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1284   if test "x$missing_languages" != x; then
1285     AC_MSG_ERROR([
1286 The following requested languages were not found: ${missing_languages}])
1287   fi
1288
1289   if test "x$new_enable_languages" != "x$enable_languages"; then
1290     echo The following languages will be built: ${new_enable_languages}
1291   fi
1292   enable_languages="$new_enable_languages"
1293   ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1294 fi
1295
1296 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1297 # $target_configdirs.
1298 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1299
1300 notsupp=""
1301 for dir in . $skipdirs $noconfigdirs ; do
1302   dirname=`echo $dir | sed -e s/target-//g`
1303   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1304     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1305     if test -r $srcdir/$dirname/configure ; then
1306       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1307         true
1308       else
1309         notsupp="$notsupp $dir"
1310       fi
1311     fi
1312   fi
1313   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1314     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1315     if test -r $srcdir/$dirname/configure ; then
1316       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1317         true
1318       else
1319         notsupp="$notsupp $dir"
1320       fi
1321     fi
1322   fi
1323 done
1324
1325 # Sometimes the tools are distributed with libiberty but with no other
1326 # libraries.  In that case, we don't want to build target-libiberty.
1327 if test -n "${target_configdirs}" ; then
1328   others=
1329   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1330     if test "$i" != "libiberty" ; then
1331       if test -r $srcdir/$i/configure ; then
1332         others=yes;
1333         break;
1334       fi
1335     fi
1336   done
1337   if test -z "${others}" ; then
1338     target_configdirs=
1339   fi
1340 fi
1341
1342 # Quietly strip out all directories which aren't configurable in this tree.
1343 # This relies on all configurable subdirectories being autoconfiscated, which
1344 # is now the case.
1345 configdirs_all="$configdirs"
1346 configdirs=
1347 for i in ${configdirs_all} ; do
1348   if test -f ${srcdir}/$i/configure ; then
1349     configdirs="${configdirs} $i"
1350   fi
1351 done
1352 target_configdirs_all="$target_configdirs"
1353 target_configdirs=
1354 for i in ${target_configdirs_all} ; do
1355   j=`echo $i | sed -e s/target-//g`
1356   if test -f ${srcdir}/$j/configure ; then
1357     target_configdirs="${target_configdirs} $i"
1358   fi
1359 done
1360
1361 # Produce a warning message for the subdirs we can't configure.
1362 # This isn't especially interesting in the Cygnus tree, but in the individual
1363 # FSF releases, it's important to let people know when their machine isn't
1364 # supported by the one or two programs in a package.
1365
1366 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1367   # If $appdirs is non-empty, at least one of those directories must still
1368   # be configured, or we error out.  (E.g., if the gas release supports a
1369   # specified target in some subdirs but not the gas subdir, we shouldn't
1370   # pretend that all is well.)
1371   if test -n "$appdirs" ; then
1372     for dir in $appdirs ; do
1373       if test -r $dir/Makefile.in ; then
1374         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1375           appdirs=""
1376           break
1377         fi
1378         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1379           appdirs=""
1380           break
1381         fi
1382       fi
1383     done
1384     if test -n "$appdirs" ; then
1385       echo "*** This configuration is not supported by this package." 1>&2
1386       exit 1
1387     fi
1388   fi
1389   # Okay, some application will build, or we don't care to check.  Still
1390   # notify of subdirs not getting built.
1391   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1392   echo "    ${notsupp}" 1>&2
1393   echo "    (Any other directories should still work fine.)" 1>&2
1394 fi
1395
1396 case "$host" in
1397   *msdosdjgpp*)
1398     enable_gdbtk=no ;;
1399 esac
1400
1401 copy_dirs=
1402
1403 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
1404 # the named directory are copied to $(tooldir)/sys-include.
1405 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1406   if test x${is_cross_compiler} = xno ; then
1407     echo 1>&2 '***' --with-headers is only supported when cross compiling
1408     exit 1
1409   fi
1410   if test x"${with_headers}" != xyes ; then
1411     case "${exec_prefixoption}" in
1412     "") x=${prefix} ;;
1413     *) x=${exec_prefix} ;;
1414     esac
1415     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1416   fi
1417 fi
1418
1419 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
1420 # the name directories are copied to $(tooldir)/lib.  Multiple directories
1421 # are permitted.
1422 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1423   if test x${is_cross_compiler} = xno ; then
1424     echo 1>&2 '***' --with-libs is only supported when cross compiling
1425     exit 1
1426   fi
1427   if test x"${with_libs}" != xyes ; then
1428     # Copy the libraries in reverse order, so that files in the first named
1429     # library override files in subsequent libraries.
1430     case "${exec_prefixoption}" in
1431     "") x=${prefix} ;;
1432     *) x=${exec_prefix} ;;
1433     esac
1434     for l in ${with_libs}; do
1435       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1436     done
1437   fi
1438 fi
1439
1440 # Handle ${copy_dirs}
1441 set fnord ${copy_dirs}
1442 shift
1443 while test $# != 0 ; do
1444   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1445     :
1446   else
1447     echo Copying $1 to $2
1448
1449     # Use the install script to create the directory and all required
1450     # parent directories.
1451     if test -d $2 ; then
1452       :
1453     else
1454       echo >config.temp
1455       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1456     fi
1457
1458     # Copy the directory, assuming we have tar.
1459     # FIXME: Should we use B in the second tar?  Not all systems support it.
1460     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1461
1462     # It is the responsibility of the user to correctly adjust all
1463     # symlinks.  If somebody can figure out how to handle them correctly
1464     # here, feel free to add the code.
1465
1466     echo $1 > $2/COPIED
1467   fi
1468   shift; shift
1469 done
1470
1471 extra_arflags_for_target=
1472 extra_nmflags_for_target=
1473 extra_ranlibflags_for_target=
1474 target_makefile_frag=/dev/null
1475 case "${target}" in
1476   i[[3456789]]86-*-netware*)
1477     target_makefile_frag="config/mt-netware"
1478     ;;
1479   powerpc-*-netware*)
1480     target_makefile_frag="config/mt-netware"
1481     ;;
1482   *-*-linux*)
1483     target_makefile_frag="config/mt-linux"
1484     ;;
1485   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1486     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1487     # commands to handle both 32-bit and 64-bit objects.  These flags are
1488     # harmless if we're using GNU nm or ar.
1489     extra_arflags_for_target=" -X32_64"
1490     extra_nmflags_for_target=" -B -X32_64"
1491     ;;
1492   *-*-darwin*)
1493     # ranlib from Darwin requires the -c flag to look at common symbols.
1494     extra_ranlibflags_for_target=" -c"
1495     ;;
1496   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1497     target_makefile_frag="config/mt-wince"
1498     ;;
1499 esac
1500
1501 alphaieee_frag=/dev/null
1502 case $target in
1503   alpha*-*-*)
1504     # This just makes sure to use the -mieee option to build target libs.
1505     # This should probably be set individually by each library.
1506     alphaieee_frag="config/mt-alphaieee"
1507     ;;
1508 esac
1509
1510 # If --enable-target-optspace always use -Os instead of -O2 to build
1511 # the target libraries, similarly if it is not specified, use -Os
1512 # on selected platforms.
1513 ospace_frag=/dev/null
1514 case "${enable_target_optspace}:${target}" in
1515   yes:*)
1516     ospace_frag="config/mt-ospace"
1517     ;;
1518   :d30v-*)
1519     ospace_frag="config/mt-d30v"
1520     ;;
1521   :m32r-* | :d10v-* | :fr30-*)
1522     ospace_frag="config/mt-ospace"
1523     ;;
1524   no:* | :*)
1525     ;;
1526   *)
1527     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1528     ;;
1529 esac
1530
1531 # Set with_gnu_as and with_gnu_ld as appropriate.
1532 #
1533 # This is done by determining whether or not the appropriate directory
1534 # is available, and by checking whether or not specific configurations
1535 # have requested that this magic not happen.
1536 #
1537 # The command line options always override the explicit settings in
1538 # configure.in, and the settings in configure.in override this magic.
1539 #
1540 # If the default for a toolchain is to use GNU as and ld, and you don't
1541 # want to do that, then you should use the --without-gnu-as and
1542 # --without-gnu-ld options for the configure script.
1543
1544 if test x${use_gnu_as} = x &&
1545    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1546   with_gnu_as=yes
1547   extra_host_args="$extra_host_args --with-gnu-as"
1548 fi
1549
1550 if test x${use_gnu_ld} = x &&
1551    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1552   with_gnu_ld=yes
1553   extra_host_args="$extra_host_args --with-gnu-ld"
1554 fi
1555
1556 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1557 # can detect this case.
1558
1559 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1560   with_newlib=yes
1561   extra_host_args="$extra_host_args --with-newlib"
1562 fi
1563
1564 if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
1565   extra_host_args="$extra_host_args --with-libbanshee"
1566 fi
1567
1568 # Default to using --with-stabs for certain targets.
1569 if test x${with_stabs} = x ; then
1570   case "${target}" in
1571   mips*-*-irix[[56]]*)
1572     ;;
1573   mips*-*-* | alpha*-*-osf*)
1574     with_stabs=yes;
1575     extra_host_args="${extra_host_args} --with-stabs"
1576     ;;
1577   esac
1578 fi
1579
1580 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1581 # them automatically.
1582 case "${host}" in
1583   hppa*64*-*-hpux11*)
1584     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1585     ;;
1586 esac
1587
1588 # Some systems (e.g., one of the i386-aix systems the gas testers are
1589 # using) don't handle "\$" correctly, so don't use it here.
1590 tooldir='${exec_prefix}'/${target_alias}
1591 build_tooldir=${tooldir}
1592
1593 # Generate default definitions for YACC, M4, LEX.  These are used if the
1594 # Makefile can't locate these programs in objdir.
1595 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
1596 AC_CHECK_PROGS([DEFAULT_YACC], ['bison -y' byacc yacc], [$MISSING bison])
1597 AC_CHECK_PROGS([DEFAULT_M4], [gm4 gnum4 m4], [$MISSING m4])
1598 AC_CHECK_PROGS([DEFAULT_LEX], [flex lex], [$MISSING flex])
1599
1600 # Create a .gdbinit file which runs the one in srcdir
1601 # and tells GDB to look there for source files.
1602
1603 if test -r ${srcdir}/.gdbinit ; then
1604   case ${srcdir} in
1605     .) ;;
1606     *) cat > ./.gdbinit <<EOF
1607 # ${NO_EDIT}
1608 dir ${srcdir}
1609 dir .
1610 source ${srcdir}/.gdbinit
1611 EOF
1612     ;;
1613   esac
1614 fi
1615
1616 # Make sure that the compiler is able to generate an executable.  If it
1617 # can't, we are probably in trouble.  We don't care whether we can run the
1618 # executable--we might be using a cross compiler--we only care whether it
1619 # can be created.  At this point the main configure script has set CC.
1620 we_are_ok=no
1621 echo "int main () { return 0; }" > conftest.c
1622 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1623 if test $? = 0 ; then
1624   if test -s conftest || test -s conftest.exe ; then
1625     we_are_ok=yes
1626   fi
1627 fi
1628 case $we_are_ok in
1629   no)
1630     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1631     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1632     rm -f conftest*
1633     exit 1
1634     ;;
1635 esac
1636 rm -f conftest*
1637
1638 # The Solaris /usr/ucb/cc compiler does not appear to work.
1639 case "${host}" in
1640   sparc-sun-solaris2*)
1641       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1642       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1643           could_use=
1644           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1645           if test -d /opt/cygnus/bin ; then
1646               if test "$could_use" = "" ; then
1647                   could_use="/opt/cygnus/bin"
1648               else
1649                   could_use="$could_use or /opt/cygnus/bin"
1650               fi
1651           fi
1652         if test "$could_use" = "" ; then
1653             echo "Warning: compilation may fail because you're using"
1654             echo "/usr/ucb/cc.  You should change your PATH or CC "
1655             echo "variable and rerun configure."
1656         else
1657             echo "Warning: compilation may fail because you're using"
1658             echo "/usr/ucb/cc, when you should use the C compiler from"
1659             echo "$could_use.  You should change your"
1660             echo "PATH or CC variable and rerun configure."
1661         fi
1662       fi
1663   ;;
1664 esac
1665
1666 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1667 # binutils tools will find libbfd.so.
1668 case "${enable_shared}" in
1669   no | "") SET_LIB_PATH= ;;
1670   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1671 esac
1672
1673 case "${host}" in
1674   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1675   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1676 esac
1677
1678 # Record target_configdirs and the configure arguments for target and
1679 # build configuration in Makefile.
1680 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1681
1682 # This is the final value for target_configdirs.  configdirs already
1683 # has its final value, as does build_modules.  It's time to create some
1684 # lists of valid targets.
1685
1686 all_build_modules=
1687 configure_build_modules=
1688 for module in ${build_modules} ; do
1689   all_build_modules=all-build-${module}
1690   configure_build_modules=configure-build-${module}
1691 done
1692
1693 # Determine whether gdb needs tk/tcl or not.
1694 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1695 # and in that case we want gdb to be built without tk.  Ugh!
1696 # In fact I believe gdb is the *only* package directly dependent on tk,
1697 # so we should be able to put the 'maybe's in unconditionally and
1698 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1699 # 100% sure that that's safe though.
1700
1701 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1702 case "$enable_gdbtk" in
1703   no)
1704     GDB_TK="" ;;
1705   yes)
1706     GDB_TK="${gdb_tk}" ;;
1707   *)
1708     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1709     # distro.  Eventually someone will fix this and move Insight, nee
1710     # gdbtk to a separate directory.
1711     if test -d ${srcdir}/gdb/gdbtk ; then
1712       GDB_TK="${gdb_tk}"
1713     else
1714       GDB_TK=""
1715     fi
1716     ;;
1717 esac
1718
1719 # Strip out unwanted targets.
1720
1721 # While at that, we remove Makefiles if we were started for recursive
1722 # configuration, so that the top-level Makefile reconfigures them,
1723 # like we used to do when configure itself was recursive.
1724
1725 # Loop over modules.  $extrasub must be used with care, limiting as
1726 # much as possible the usage of range addresses.  That's because autoconf
1727 # splits the sed script to overcome limits in the number of commands,
1728 # and relying on carefully-timed sed passes may turn out to be very hard
1729 # to maintain later.  In this particular case, you just have to be careful
1730 # not to nest @if/@endif pairs, because configure will not warn you at all.
1731
1732 for module in ${build_modules} ; do
1733   if test -z "${no_recursion}" \
1734      && test -f ${build_subdir}/${module}/Makefile; then
1735     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1736     rm -f ${build_subdir}/${module}/Makefile
1737   fi
1738   extrasub="$extrasub
1739 /^@if build-$module\$/d
1740 /^@endif build-$module\$/d"
1741 done
1742 for module in ${configdirs} ; do
1743   if test -z "${no_recursion}" \
1744      && test -f ${module}/Makefile; then
1745     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1746     rm -f ${module}/Makefile
1747   fi
1748   extrasub="$extrasub
1749 /^@if $module\$/d
1750 /^@endif $module\$/d"
1751 done
1752 for module in ${target_configdirs} ; do
1753   if test -z "${no_recursion}" \
1754      && test -f ${target_subdir}/${module}/Makefile; then
1755     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1756     rm -f ${target_subdir}/${module}/Makefile
1757   fi
1758   extrasub="$extrasub
1759 /^@if target-$module\$/d
1760 /^@endif target-$module\$/d"
1761 done
1762 extrasub="$extrasub
1763 /^@if /,/^@endif /d"
1764
1765 # Create the serialization dependencies.  This uses a temporary file.
1766
1767 AC_ARG_ENABLE([serial-configure],
1768 [  --enable-serial-[{host,target,build}-]configure
1769                           Force sequential configuration of
1770                           sub-packages for the host, target or build
1771                           machine, or all sub-packages])
1772
1773 case ${enable_serial_configure} in
1774   yes)
1775     enable_serial_build_configure=yes
1776     enable_serial_host_configure=yes
1777     enable_serial_target_configure=yes
1778     ;;
1779 esac
1780
1781 # These force 'configure's to be done one at a time, to avoid problems
1782 # with contention over a shared config.cache.
1783 rm -f serdep.tmp
1784 echo '# serdep.tmp' > serdep.tmp
1785 olditem=
1786 test "x${enable_serial_build_configure}" = xyes &&
1787 for item in ${build_configdirs} ; do
1788   case ${olditem} in
1789     "") ;;
1790     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1791   esac
1792   olditem=${item}
1793 done
1794 olditem=
1795 test "x${enable_serial_host_configure}" = xyes &&
1796 for item in ${configdirs} ; do
1797   case ${olditem} in
1798     "") ;;
1799     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1800   esac
1801   olditem=${item}
1802 done
1803 olditem=
1804 test "x${enable_serial_target_configure}" = xyes &&
1805 for item in ${target_configdirs} ; do
1806   case ${olditem} in
1807     "") ;;
1808     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1809   esac
1810   olditem=${item}
1811 done
1812 serialization_dependencies=serdep.tmp
1813 AC_SUBST_FILE(serialization_dependencies)
1814
1815 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1816 # target and nonopt.  These are the ones we might not want to pass
1817 # down to subconfigures.  Also strip program-prefix, program-suffix,
1818 # and program-transform-name, so that we can pass down a consistent
1819 # program-transform-name.  If autoconf has put single quotes around
1820 # any of these arguments (because they contain shell metacharacters)
1821 # then this will fail; in practice this only happens for
1822 # --program-transform-name, so be sure to override --program-transform-name
1823 # at the end of the argument list.
1824 # These will be expanded by make, so quote '$'.
1825 cat <<\EOF_SED > conftestsed
1826 s/ --no[[^ ]]*/ /g
1827 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1828 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1829 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1830 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1831 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1832 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1833 s/ -cache-file[[= ]][[^ ]]*//g
1834 s/ -srcdir[[= ]][[^ ]]*//g
1835 s/ -host[[= ]][[^ ]]*//g
1836 s/ -build[[= ]][[^ ]]*//g
1837 s/ -target[[= ]][[^ ]]*//g
1838 s/ -program-prefix[[= ]][[^ ]]*//g
1839 s/ -program-suffix[[= ]][[^ ]]*//g
1840 s/ -program-transform-name[[= ]][[^ ]]*//g
1841 s/ [[^' -][^ ]*] / /
1842 s/^ *//;s/ *$//
1843 s,\$,$$,g
1844 EOF_SED
1845 sed -f conftestsed <<EOF_SED > conftestsed.out
1846  ${ac_configure_args}
1847 EOF_SED
1848 baseargs=`cat conftestsed.out`
1849 rm -f conftestsed conftestsed.out
1850
1851 # Add in --program-transform-name, after --program-prefix and
1852 # --program-suffix have been applied to it.  Autoconf has already
1853 # doubled dollar signs and backslashes in program_transform_name; we want
1854 # the backslashes un-doubled, and then the entire thing wrapped in single
1855 # quotes, because this will be expanded first by make and then by the shell.
1856 # Also, because we want to override the logic in subdir configure scripts to
1857 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1858 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1859 ${program_transform_name}
1860 EOF_SED
1861 gcc_transform_name=`cat conftestsed.out`
1862 rm -f conftestsed.out
1863 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1864
1865 # For the build-side libraries, we just need to pretend we're native,
1866 # and not use the same cache file.  Multilibs are neither needed nor
1867 # desired.
1868 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1869
1870 # For host modules, accept cache file option, or specification as blank.
1871 case "${cache_file}" in
1872 "") # empty
1873   cache_file_option="" ;;
1874 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1875   cache_file_option="--cache-file=${cache_file}" ;;
1876 *) # relative path
1877   cache_file_option="--cache-file=../${cache_file}" ;;
1878 esac
1879
1880 # Host dirs don't like to share a cache file either, horribly enough.
1881 # This seems to be due to autoconf 2.5x stupidity.
1882 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1883
1884 target_configargs=${baseargs}
1885
1886 # Passing a --with-cross-host argument lets the target libraries know
1887 # whether they are being built with a cross-compiler or being built
1888 # native.  However, it would be better to use other mechanisms to make the
1889 # sorts of decisions they want to make on this basis.  Please consider
1890 # this option to be deprecated.  FIXME.
1891 if test x${is_cross_compiler} = xyes ; then
1892   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1893 fi
1894
1895 # Default to --enable-multilib.
1896 if test x${enable_multilib} = x ; then
1897   target_configargs="--enable-multilib ${target_configargs}"
1898 fi
1899
1900 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1901 # changed from the earlier setting of with_newlib.
1902 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1903   target_configargs="--with-newlib ${target_configargs}"
1904 fi
1905
1906 # Different target subdirs use different values of certain variables
1907 # (notably CXX).  Worse, multilibs use *lots* of different values.
1908 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1909 # it doesn't automatically accept command-line overrides of them.
1910 # This means it's not safe for target subdirs to share a cache file,
1911 # which is disgusting, but there you have it.  Hopefully this can be
1912 # fixed in future.  It's still worthwhile to use a cache file for each
1913 # directory.  I think.
1914
1915 # Pass the appropriate --host, --build, and --cache-file arguments.
1916 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1917
1918 # provide a proper gxx_include_dir.
1919 # Note, if you change the default, make sure to fix both here and in
1920 # the gcc and libstdc++-v3 subdirectories.
1921 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1922 case "${with_gxx_include_dir}" in
1923   yes)
1924     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1925     ;;
1926   no | "")
1927     case "${enable_version_specific_runtime_libs}" in
1928       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1929       *)
1930         . ${srcdir}/config.if
1931         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1932     esac ;;
1933   *) gxx_include_dir=${with_gxx_include_dir} ;;
1934 esac
1935
1936 FLAGS_FOR_TARGET=
1937 case " $target_configdirs " in
1938  *" newlib "*)
1939   case " $target_configargs " in
1940   *" --with-newlib "*)
1941    case "$target" in
1942    *-cygwin*)
1943      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
1944    esac
1945
1946    # If we're not building GCC, don't discard standard headers.
1947    if test -d ${srcdir}/gcc; then
1948      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1949
1950      if test "${build}" != "${host}"; then
1951        # On Canadian crosses, CC_FOR_TARGET will have already been set
1952        # by `configure', so we won't have an opportunity to add -Bgcc/
1953        # to it.  This is right: we don't want to search that directory
1954        # for binaries, but we want the header files in there, so add
1955        # them explicitly.
1956        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1957
1958        # Someone might think of using the pre-installed headers on
1959        # Canadian crosses, in case the installed compiler is not fully
1960        # compatible with the compiler being built.  In this case, it
1961        # would be better to flag an error than risking having
1962        # incompatible object files being constructed.  We can't
1963        # guarantee that an error will be flagged, but let's hope the
1964        # compiler will do it, when presented with incompatible header
1965        # files.
1966      fi
1967    fi
1968
1969    case "${target}-${is_cross_compiler}" in
1970    i[[3456789]]86-*-linux*-no)
1971       # Here host == target, so we don't need to build gcc,
1972       # so we don't want to discard standard headers.
1973       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1974       ;;
1975    *)
1976       # If we're building newlib, use its generic headers last, but search
1977       # for any libc-related directories first (so make it the last -B
1978       # switch).
1979       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1980       ;;
1981    esac
1982    ;;
1983   esac
1984   ;;
1985 esac
1986
1987 # Allow the user to override the flags for
1988 # our build compiler if desired.
1989 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1990
1991 # On Canadian crosses, we'll be searching the right directories for
1992 # the previously-installed cross compiler, so don't bother to add
1993 # flags for directories within the install tree of the compiler
1994 # being built; programs in there won't even run.
1995 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1996   # Search for pre-installed headers if nothing else fits.
1997   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1998 fi
1999
2000 if test "x${use_gnu_ld}" = x &&
2001    echo " ${configdirs} " | grep " ld " > /dev/null ; then
2002   # Arrange for us to find uninstalled linker scripts.
2003   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
2004 fi
2005
2006 if test "x${CC_FOR_TARGET+set}" = xset; then
2007   :
2008 elif test -d ${srcdir}/gcc; then
2009   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2010 elif test "$host" = "$target"; then
2011   CC_FOR_TARGET='$(CC)'
2012 else
2013   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2014 fi
2015 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2016
2017 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2018   :
2019 elif test -d ${srcdir}/gcc; then
2020   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2021 elif test "$host" = "$target"; then
2022   GCJ_FOR_TARGET='gcj'
2023 else
2024   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2025 fi
2026 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2027
2028 if test "x${GFORTRAN_FOR_TARGET+set}" = xset; then
2029   :
2030 elif test -d ${srcdir}/gcc; then
2031   GFORTRAN_FOR_TARGET='$$r/gcc/gfortran -B$$r/gcc/'
2032 elif test "$host" = "$target"; then
2033   GFORTRAN_FOR_TARGET='gfortran'
2034 else
2035   GFORTRAN_FOR_TARGET=`echo gfortran | sed -e 's/x/x/' ${program_transform_name}`
2036 fi
2037 case $GFORTRAN_FOR_TARGET in
2038 *' $(FLAGS_FOR_TARGET)') ;;
2039 *) GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
2040 esac
2041
2042 # Don't use libstdc++-v3's flags to configure/build itself.
2043 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2044 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2045
2046 if test "x${CXX_FOR_TARGET+set}" = xset; then
2047   if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2048     RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2049   fi
2050 elif test -d ${srcdir}/gcc; then
2051   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2052   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2053   # default whereas gcc does not.
2054   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2055   # all other cases.
2056   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2057   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2058 elif test "$host" = "$target"; then
2059   CXX_FOR_TARGET='$(CXX)'
2060   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2061 else
2062   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2063   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2064 fi
2065 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2066 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2067
2068 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2069 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2070
2071 # We want to defer the evaluation of `cmd`s and shell variables in
2072 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2073 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2074 # quotes, but we still have to duplicate `$'s so that shell variables
2075 # can be expanded by the nested make as shell variables, not as make
2076 # macros.
2077 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2078 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2079
2080 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2081 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2082 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2083 GFORTRAN_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GFORTRAN_FOR_TARGET}"
2084 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2085 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2086 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2087 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2088
2089 # Makefile fragments.
2090 host_makefile_frag=${srcdir}/${host_makefile_frag}
2091 target_makefile_frag=${srcdir}/${target_makefile_frag}
2092 alphaieee_frag=${srcdir}/${alphaieee_frag}
2093 ospace_frag=${srcdir}/${ospace_frag}
2094 AC_SUBST_FILE(host_makefile_frag)
2095 AC_SUBST_FILE(target_makefile_frag)
2096 AC_SUBST_FILE(alphaieee_frag)
2097 AC_SUBST_FILE(ospace_frag)
2098
2099 # Miscellanea: directories, flags, etc.
2100 AC_SUBST(SET_LIB_PATH)
2101 AC_SUBST(RPATH_ENVVAR)
2102 AC_SUBST(BUILD_PREFIX)
2103 AC_SUBST(BUILD_PREFIX_1)
2104 AC_SUBST(gcc_version_trigger)
2105 AC_SUBST(gcc_version)
2106 AC_SUBST(tooldir)
2107 AC_SUBST(build_tooldir)
2108 AC_SUBST(GDB_TK)
2109 AC_SUBST(gxx_include_dir)
2110 AC_SUBST(libstdcxx_incdir)
2111
2112 # Build module lists & subconfigure args.
2113 AC_SUBST(build_configargs)
2114 AC_SUBST(configure_build_modules)
2115 AC_SUBST(all_build_modules)
2116
2117 # Host module lists & subconfigure args.
2118 AC_SUBST(host_configargs)
2119 AC_SUBST(configdirs)
2120
2121 # Target module lists & subconfigure args.
2122 AC_SUBST(target_configargs)
2123 AC_SUBST(target_configdirs)
2124
2125 # Build tools.
2126 AC_SUBST(BISON)
2127 AC_SUBST(CC_FOR_BUILD)
2128 AC_SUBST(LEX)
2129 AC_SUBST(MAKEINFO)
2130 AC_SUBST(YACC)
2131 AC_SUBST(config_shell)
2132
2133 # Host tools.
2134 NCN_STRICT_CHECK_TOOL(AR, ar)
2135 NCN_STRICT_CHECK_TOOL(AS, as)
2136 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2137 NCN_STRICT_CHECK_TOOL(LD, ld)
2138 NCN_STRICT_CHECK_TOOL(NM, nm)
2139 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2140 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2141 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2142 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2143 AC_SUBST(CC)
2144 AC_SUBST(CXX)
2145 AC_SUBST(CFLAGS)
2146 AC_SUBST(CFLAGS_FOR_BUILD)
2147 AC_SUBST(CXXFLAGS)
2148 AC_SUBST(DEFAULT_YACC)
2149 AC_SUBST(DEFAULT_LEX)
2150 AC_SUBST(DEFAULT_M4)
2151
2152 # Target tools.
2153 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AR_FOR_TARGET, ar)
2154 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_AS_FOR_TARGET, as)
2155 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_DLLTOOL_FOR_TARGET, dlltool)
2156 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_LD_FOR_TARGET, ld)
2157 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_NM_FOR_TARGET, nm)
2158 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_RANLIB_FOR_TARGET, ranlib, :)
2159 NCN_STRICT_CHECK_TARGET_TOOL(CONFIGURED_WINDRES_FOR_TARGET, windres)
2160
2161 AC_SUBST(GCC_FOR_TARGET)
2162 AC_SUBST(FLAGS_FOR_TARGET)
2163 AC_SUBST(CC_FOR_TARGET)
2164 AC_SUBST(GCJ_FOR_TARGET)
2165 AC_SUBST(GFORTRAN_FOR_TARGET)
2166 AC_SUBST(CXX_FOR_TARGET)
2167 AC_SUBST(RAW_CXX_FOR_TARGET)
2168 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2169 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2170
2171 # Fix up target tools.
2172 if test "x${build}" = "x${host}" ; then
2173   # In this case, the newly built tools can and should be used,
2174   # so we override the results of the autoconf tests.
2175   # This should really only happen when the tools are actually being built,
2176   # but that's a further refinement.  The new build scheme, where
2177   # tools are built into a structure paralleling where they're installed,
2178   # should also eliminate all of this cleanly.
2179   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2180   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2181   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2182   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2183   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2184   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2185   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2186 else
2187   # Just use the ones we found.
2188   AR_FOR_TARGET="\$(CONFIGURED_AR_FOR_TARGET)"
2189   AS_FOR_TARGET="\$(CONFIGURED_AS_FOR_TARGET)"
2190   DLLTOOL_FOR_TARGET="\$(CONFIGURED_DLLTOOL_FOR_TARGET)"
2191   LD_FOR_TARGET="\$(CONFIGURED_LD_FOR_TARGET)"
2192   NM_FOR_TARGET="\$(CONFIGURED_NM_FOR_TARGET)"
2193   RANLIB_FOR_TARGET="\$(CONFIGURED_RANLIB_FOR_TARGET)"
2194   WINDRES_FOR_TARGET="\$(CONFIGURED_WINDRES_FOR_TARGET)"
2195 fi
2196 AC_SUBST(AR_FOR_TARGET)
2197 AC_SUBST(AS_FOR_TARGET)
2198 AC_SUBST(DLLTOOL_FOR_TARGET)
2199 AC_SUBST(LD_FOR_TARGET)
2200 AC_SUBST(NM_FOR_TARGET)
2201 AC_SUBST(RANLIB_FOR_TARGET)
2202 AC_SUBST(WINDRES_FOR_TARGET)
2203
2204 # Certain tools may need extra flags.
2205 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2206 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2207 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2208
2209 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2210 AC_ARG_ENABLE(maintainer-mode,
2211 [  --enable-maintainer-mode enable make rules and dependencies not useful
2212                           (and sometimes confusing) to the casual installer],
2213       USE_MAINTAINER_MODE=$enableval,
2214       USE_MAINTAINER_MODE=no)
2215 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2216 AC_SUBST(MAINTAINER_MODE_TRUE)
2217 AC_SUBST(MAINTAINER_MODE_FALSE)
2218 if test "$USE_MAINTAINER_MODE" = yes; then
2219   MAINTAINER_MODE_TRUE=
2220   MAINTAINER_MODE_FALSE='#'
2221 else
2222   MAINTAINER_MODE_TRUE='#'
2223   MAINTAINER_MODE_FALSE=
2224 fi
2225 MAINT=$MAINTAINER_MODE_TRUE
2226 AC_SUBST(MAINT)dnl
2227
2228 # ---------------------
2229 # GCC bootstrap support
2230 # ---------------------
2231
2232 # Stage specific cflags for build.
2233 stage1_cflags="-g"
2234 case $build in
2235   vax-*-*)
2236     case ${GCC} in
2237       yes) stage1_cflags="-g -Wa,-J" ;;
2238       *) stage1_cflags="-g -J" ;;
2239     esac ;;
2240   powerpc-*-darwin*)
2241     # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2242     # sources; use -no-cpp-precomp to get to GNU cpp.
2243     # Apple's GCC has bugs in designated initializer handling, so disable
2244     # that too.
2245     stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2246     ;;
2247 esac
2248 AC_SUBST(stage1_cflags)
2249
2250 # Enable -Werror in bootstrap stage2 and later.
2251 # Change the default to "no" on release branches.
2252 AC_ARG_ENABLE(werror,
2253 [  --enable-werror         enable -Werror in bootstrap stage2 and later], [],
2254 [enable_werror=yes])
2255 case ${enable_werror} in
2256   yes) stage2_werror_flag="--enable-werror-always" ;;
2257   *) stage2_werror_flag="" ;;
2258 esac
2259 AC_SUBST(stage2_werror_flag)
2260
2261 AC_OUTPUT(Makefile)