configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002 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_CANONICAL_SYSTEM
  23 AC_ARG_PROGRAM
  24
  25 sinclude(config/acx.m4)
  26
  27 # clear some things potentially inherited from environment.
  28
  29 enable_threads=no
  30 enable_shared=no
  31 enable_libstdcxx_v3=yes
  32 floating_point=default
  33 gas=default
  34 x11=default
  35
  36 ### we might need to use some other shell than /bin/sh for running subshells
  37 ### If we are on Windows, search for the shell.  This will permit people
  38 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  39 ### without also having to set CONFIG_SHELL.  This code will work when
  40 ### using bash, which sets OSTYPE.
  41 case "${OSTYPE}" in
  42 *win32*)
  43   if test x${CONFIG_SHELL} = x ; then
  44     if test ! -f /bin/sh ; then
  45       if test x${SHELL} != x && test -f ${SHELL} ; then
  46         CONFIG_SHELL=${SHELL}
  47         export CONFIG_SHELL
  48       else
  49         for prog in sh sh.exe bash bash.exe; do
  50           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  51           for dir in $PATH; do
  52             test -z "$dir" && dir=.
  53             if test -f $dir/$prog; then
  54               CONFIG_SHELL=$dir/$prog
  55               export CONFIG_SHELL
  56               break
  57             fi
  58           done
  59           IFS="$save_ifs"
  60           test -n "${CONFIG_SHELL}" && break
  61         done
  62       fi
  63     fi
  64   fi
  65   ;;
  66 esac
  67
  68 config_shell=${CONFIG_SHELL-/bin/sh}
  69
  70 ## this is a little touchy and won't always work, but...
  71 ##
  72 ## if the argv[[0]] starts with a slash then it is an absolute name that can (and
  73 ## must) be used as is.
  74 ##
  75 ## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
  76 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  77 ##
  78
  79 progname=$0
  80 # if PWD already has a value, it is probably wrong.
  81 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  82
  83 case "${progname}" in
  84 /* | [[A-Za-z]]:[[\\/]]* ) ;;
  85 */*) ;;
  86 *)
  87         PATH=$PATH:${PWD=`${PWDCMD-pwd}`} ; export PATH
  88         ;;
  89 esac
  90
  91 # Export original configure arguments for use by sub-configures.
  92 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  93 export TOPLEVEL_CONFIGURE_ARGUMENTS
  94
  95 moveifchange=${srcdir}/move-if-change
  96
  97 # Set srcdir to "." if that's what it is.
  98 # This is important for multilib support.
  99 pwd=`${PWDCMD-pwd}`
 100 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
 101 if test "${pwd}" = "${srcpwd}" ; then
 102   srcdir=.
 103 fi
 104
 105 topsrcdir=$srcpwd
 106
 107 extra_host_args=
 108 # Define the trigger file to make sure configure will re-run whenever
 109 # the gcc version number changes.
 110 if test "${with_gcc_version_trigger+set}" = set ; then
 111   gcc_version_trigger="$with_gcc_version_trigger"
 112   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 113 else
 114   # If gcc's sources are available, define the trigger file.
 115   if test -f ${topsrcdir}/gcc/version.c ; then
 116     gcc_version_trigger=${topsrcdir}/gcc/version.c
 117     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 118     case "$ac_configure_args" in
 119       *--with-gcc-version-trigger=$gcc_version_trigger* )
 120         ;;
 121       * )
 122         # Add to all subconfigure arguments: build, host, and target.
 123         ac_configure_args="--with-gcc-version-trigger=$gcc_version_trigger $ac_configure_args"
 124         ;;
 125     esac
 126   fi
 127 fi
 128
 129 ### To add a new directory to the tree, first choose whether it is a target
 130 ### or a host dependent tool.  Then put it into the appropriate list
 131 ### (library or tools, host or target), doing a dependency sort.
 132
 133 # Subdirs will be configured in the order listed in build_configdirs,
 134 # configdirs, or target_configdirs; see the serialization section below.
 135
 136 # Dependency sorting is only needed when *configuration* must be done in
 137 # a particular order.  In all cases a dependency should be specified in
 138 # the Makefile, whether or not it's implicitly specified here.
 139
 140 # Double entries in build_configdirs, configdirs, or target_configdirs may
 141 # cause circular dependencies and break everything horribly.
 142
 143 # these libraries are used by various programs built for the host environment
 144 #
 145 host_libs="intl mmalloc libiberty opcodes bfd readline db tcl tk itcl tix libgui zlib"
 146
 147 libstdcxx_version="target-libstdc++-v3"
 148
 149 # these tools are built for the host environment
 150 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 151 # know that we are building the simulator.
 152 # binutils, gas and ld appear in that order because it makes sense to run
 153 # "make check" in that particular order.
 154 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 grep diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils snavigator gettext zip fastjar"
 155
 156 # libgcj represents the runtime libraries only used by gcj.
 157 libgcj="target-libffi \
 158         target-boehm-gc \
 159         target-zlib \
 160         target-qthreads \
 161         target-libjava"
 162
 163 # these libraries are built for the target environment, and are built after
 164 # the host libraries and the host tools (which may be a cross compiler)
 165 #
 166 target_libs="target-libiberty \
 167                 target-libgloss \
 168                 target-newlib \
 169                 ${libstdcxx_version} \
 170                 target-libf2c \
 171                 ${libgcj}
 172                 target-libobjc"
 173
 174 # these tools are built using the target libs, and are intended to run only
 175 # in the target environment
 176 #
 177 # note: any program that *uses* libraries that are in the "target_libs"
 178 # list belongs in this list.  those programs are also very likely
 179 # candidates for the "native_only" list which follows
 180 #
 181 target_tools="target-examples target-groff target-gperf target-rda"
 182
 183 ################################################################################
 184
 185 ## All tools belong in one of the four categories, and are assigned above
 186 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 187 ## is important because configure will choke if they ever get through.
 188 ## ${configdirs} is directories we build using the host tools.
 189 ## ${target_configdirs} is directories we build using the target tools.
 190 #
 191 configdirs=`echo ${host_libs} ${host_tools}`
 192 target_configdirs=`echo ${target_libs} ${target_tools}`
 193
 194 ################################################################################
 195
 196 srcname="gnu development package"
 197
 198 # This gets set non-empty for some net releases of packages.
 199 appdirs=""
 200
 201 # Define is_cross_compiler to save on calls to 'test'.
 202 is_cross_compiler=
 203 if test x"${host}" = x"${target}" ; then
 204   is_cross_compiler=no
 205 else
 206   is_cross_compiler=yes
 207 fi
 208
 209 # We always want to use the same name for this directory, so that dejagnu
 210 # can reliably find it.
 211 target_subdir=${target_alias}
 212
 213 if test ! -d ${target_subdir} ; then
 214   if mkdir ${target_subdir} ; then true
 215   else
 216     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 217     exit 1
 218   fi
 219 fi
 220
 221 build_prefix=build-
 222 build_subdir=${build_prefix}${build_alias}
 223
 224 if test x"${build_alias}" != x"${host}" ; then
 225   if test ! -d ${build_subdir} ; then
 226     if mkdir ${build_subdir} ; then true
 227     else
 228       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 229       exit 1
 230     fi
 231   fi
 232 fi
 233
 234 # Skipdirs are removed silently.
 235 skipdirs=
 236 # Noconfigdirs are removed loudly.
 237 noconfigdirs=""
 238
 239 use_gnu_ld=
 240 # Make sure we don't let GNU ld be added if we didn't want it.
 241 if test x$with_gnu_ld = xno ; then
 242   use_gnu_ld=no
 243   noconfigdirs="$noconfigdirs ld"
 244 fi
 245
 246 use_gnu_as=
 247 # Make sure we don't let GNU as be added if we didn't want it.
 248 if test x$with_gnu_as = xno ; then
 249   use_gnu_as=no
 250   noconfigdirs="$noconfigdirs gas"
 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 tix 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 tools are only suitable for building in a "native" situation.
 267 # Remove these if host!=target.
 268 native_only="autoconf automake libtool fileutils find gawk gettext grep gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms snavigator gnuserv target-gperf"
 269
 270 # Similarly, some are only suitable for cross toolchains.
 271 # Remove these if host=target.
 272 cross_only="target-libgloss target-newlib target-opcodes"
 273
 274 case $is_cross_compiler in
 275   no) skipdirs="${skipdirs} ${cross_only}" ;;
 276   yes) skipdirs="${skipdirs} ${native_only}" ;;
 277 esac
 278
 279 # If both --with-headers and --with-libs are specified, default to
 280 # --without-newlib.
 281 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 282   if test x"${with_newlib}" = x ; then
 283     with_newlib=no
 284   fi
 285 fi
 286
 287 # Recognize --with-newlib/--without-newlib.
 288 case ${with_newlib} in
 289   no) skipdirs="${skipdirs} target-newlib" ;;
 290   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 291 esac
 292
 293 # Configure extra directories which are host specific
 294
 295 case "${host}" in
 296   *-cygwin*)
 297     configdirs="$configdirs libtermcap" ;;
 298 esac
 299
 300 # Remove more programs from consideration, based on the host or
 301 # target this usually means that a port of the program doesn't
 302 # exist yet.
 303
 304 case "${host}" in
 305   hppa*64*-*-*)
 306     noconfigdirs="$noconfigdirs byacc"
 307     ;;
 308   i[[3456]]86-*-vsta)
 309     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv gettext"
 310     ;;
 311   i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
 312     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix db snavigator gnuserv libffi"
 313         ;;
 314   i[[3456]]86-*-mingw32*)
 315     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv"
 316      noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 317         ;;
 318   i[[3456]]86-*-beos*)
 319      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 320      ;;
 321   *-*-cygwin*)
 322      noconfigdirs="autoconf automake send-pr rcs guile perl"
 323     ;;
 324   *-*-netbsd*)
 325     noconfigdirs="rcs"
 326     ;;
 327   ppc*-*-pe)
 328      noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix db snavigator gnuserv"
 329     ;;
 330   powerpc-*-beos*)
 331     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 332     ;;
 333   *-*-darwin*)
 334     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 335     ;;
 336 esac
 337
 338 # Save it here so that, even in case of --enable-libgcj, if the Java
 339 # front-end isn't enabled, we still get libgcj disabled.
 340 libgcj_saved=$libgcj
 341 case $enable_libgcj in
 342 yes)
 343   # If we reset it here, it won't get added to noconfigdirs in the
 344   # target-specific build rules, so it will be forcibly enabled
 345   # (unless the Java language itself isn't enabled).
 346   libgcj=
 347   ;;
 348 no)
 349   # Make sure we get it printed in the list of not supported target libs.
 350   noconfigdirs="$noconfigdirs ${libgcj}"
 351   ;;
 352 esac
 353
 354 case "${target}" in
 355   *-*-chorusos)
 356     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 357     ;;
 358   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 359     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 360     ;;
 361   *-*-netbsd*)
 362     # Skip some stuff on all NetBSD configurations.
 363     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 364
 365     # Skip some stuff that's unsupported on some NetBSD configurations.
 366     case "${target}" in
 367       i*86-*-netbsdelf*) ;;
 368       *)
 369         noconfigdirs="$noconfigdirs ${libgcj}"
 370         ;;
 371     esac
 372     ;;
 373   *-*-netware)
 374     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
 375     ;;
 376   *-*-rtems*)
 377     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 378     case ${target} in
 379         h8300*-*-* | h8500-*-*)
 380           noconfigdirs="$noconfigdirs target-libf2c"
 381           ;;
 382         *) ;;
 383     esac
 384     ;;
 385   *-*-vxworks*)
 386     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 387     ;;
 388   alpha*-dec-osf*)
 389     # ld works, but does not support shared libraries.
 390     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 391     # gas doesn't generate exception information.
 392     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 393     ;;
 394   alpha*-*-*vms*)
 395     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 396     ;;
 397   alpha*-*-linux*)
 398     # newlib is not 64 bit ready
 399     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 400     ;;
 401   alpha*-*-freebsd*)
 402     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 403     ;;
 404   alpha*-*-*)
 405     # newlib is not 64 bit ready
 406     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 407     ;;
 408   sh-*-linux*)
 409     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 410     ;;
 411   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 412     noconfigdirs="$noconfigdirs ${libgcj}"
 413     noconfigdirs="$noconfigdirs target-examples"
 414     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 415     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 416     noconfigdirs="$noconfigdirs expect dejagnu"
 417     # the C++ libraries don't build on top of CE's C libraries
 418     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 419     noconfigdirs="$noconfigdirs target-newlib"
 420     case "${host}" in
 421       *-*-cygwin*) ;; # keep gdb and readline
 422       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 423          ;;
 424     esac
 425     ;;
 426   arc-*-*)
 427     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 428     ;;
 429   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 430     noconfigdirs="$noconfigdirs ${libgcj}"
 431     ;;
 432   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 433     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 434     ;;
 435   arm-*-pe*)
 436     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 437     ;;
 438   arm-*-oabi*)
 439     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 440     ;;
 441   thumb-*-coff)
 442     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 443     ;;
 444   thumb-*-elf)
 445     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 446     ;;
 447   thumb-*-oabi)
 448     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 449     ;;
 450   thumb-*-pe)
 451     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 452     ;;
 453   arm-*-riscix*)
 454     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 455     ;;
 456   avr-*-*)
 457     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 458     ;;
 459   c4x-*-* | tic4x-*-*)
 460     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 461     ;;
 462   c54x*-*-* | tic54x-*-*)
 463     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 464     ;;
 465   cris-*-*)
 466     noconfigdirs="$noconfigdirs ${libgcj}"
 467     ;;
 468   d10v-*-*)
 469     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 470     ;;
 471   d30v-*-*)
 472     noconfigdirs="$noconfigdirs ${libgcj}"
 473     ;;
 474   fr30-*-elf*)
 475     noconfigdirs="$noconfigdirs ${libgcj}"
 476     ;;
 477   frv-*-*)
 478     noconfigdirs="$noconfigdirs ${libgcj}"
 479     ;;
 480   h8300*-*-*)
 481     noconfigdirs="$noconfigdirs target-libgloss"
 482     ;;
 483   h8500-*-*)
 484     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
 485     ;;
 486   hppa*64*-*-linux* | parisc*64*-*-linux*)
 487     # In this case, it's because the hppa64-linux target is for
 488     # the kernel only at this point and has no libc, and thus no
 489     # headers, crt*.o, etc., all of which are needed by these.
 490     noconfigdirs="$noconfigdirs target-zlib"
 491     ;;
 492   hppa*-*-*elf* | \
 493   parisc*-*-linux* | hppa*-*-linux* | \
 494   hppa*-*-lites* | \
 495   hppa*-*-openbsd* | \
 496   hppa*64*-*-*)
 497     noconfigdirs="$noconfigdirs ${libgcj}"
 498     # Do configure ld/binutils/gas for this case.
 499     ;;
 500   hppa*-*-*)
 501     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 502     # build on HP-UX 10.20.
 503     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 504     ;;
 505   ia64*-*-elf*)
 506     # No gdb support yet.
 507     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 508     ;;
 509   ia64*-**-hpux*)
 510     # No gdb or ld support yet.
 511     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 512     ;;
 513   i[[3456]]86-*-coff | i[[3456]]86-*-elf)
 514     noconfigdirs="$noconfigdirs ${libgcj}"
 515     ;;
 516   i[[34567]]86-*-freebsd*)
 517     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 518     ;;
 519   i[[3456]]86-*-linux*)
 520     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 521     # not build java stuff by default.
 522     case "${target}" in
 523       *-*-*libc1*)
 524         noconfigdirs="$noconfigdirs ${libgcj}";;
 525     esac
 526
 527     # This section makes it possible to build newlib natively on linux.
 528     # If we are using a cross compiler then don't configure newlib.
 529     if test x${is_cross_compiler} != xno ; then
 530          noconfigdirs="$noconfigdirs target-newlib"
 531     fi
 532     noconfigdirs="$noconfigdirs target-libgloss"
 533     # If we are not using a cross compiler, do configure newlib.
 534     # Note however, that newlib will only be configured in this situation
 535     # if the --with-newlib option has been given, because otherwise
 536     # 'target-newlib' will appear in skipdirs.
 537     ;;
 538   i[[3456]]86-*-mingw32*)
 539     target_configdirs="$target_configdirs target-mingw"
 540     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 541
 542     # Can't build gdb for mingw32 if not native.
 543     case "${host}" in
 544       i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 545       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 546          ;;
 547     esac
 548     ;;
 549   *-*-cygwin*)
 550     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 551     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 552     # always build newlib.
 553     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 554
 555     # Can't build gdb for Cygwin if not native.
 556     case "${host}" in
 557       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 558       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 559          ;;
 560     esac
 561     ;;
 562   i[[3456]]86-*-pe)
 563     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 564     ;;
 565   i[[3456]]86-*-sco3.2v5*)
 566     # The linker does not yet know about weak symbols in COFF,
 567     # and is not configured to handle mixed ELF and COFF.
 568     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 569     ;;
 570   i[[3456]]86-*-sco*)
 571     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 572     ;;
 573   i[[3456]]86-*-solaris2*)
 574     noconfigdirs="$noconfigdirs target-libgloss"
 575     ;;
 576   i[[3456]]86-*-sysv4*)
 577     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 578     ;;
 579   i[[3456]]86-*-beos*)
 580      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 581      ;;
 582   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 583     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 584     ;;
 585   m68k-*-elf*)
 586     noconfigdirs="$noconfigdirs ${libgcj}"
 587     ;;
 588   m68k-*-coff*)
 589     noconfigdirs="$noconfigdirs ${libgcj}"
 590     ;;
 591   mcore-*-pe*)
 592   # The EPOC C++ environment does not support exceptions or rtti,
 593   # and so building libstdc++-v3 tends not to always work.
 594     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 595     ;;
 596   mmix-*-*)
 597     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 598     ;;
 599   mn10200-*-*)
 600     noconfigdirs="$noconfigdirs ${libgcj}"
 601     ;;
 602   mn10300-*-*)
 603     noconfigdirs="$noconfigdirs ${libgcj}"
 604     ;;
 605   powerpc-*-aix*)
 606     # copied from rs6000-*-* entry
 607     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 608     ;;
 609   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 610     target_configdirs="$target_configdirs target-winsup"
 611     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
 612     # always build newlib.
 613     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 614     ;;
 615     # This is temporary until we can link against shared libraries
 616   powerpcle-*-solaris*)
 617     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
 618     ;;
 619   powerpc-*-beos*)
 620     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 621     ;;
 622   powerpc-*-darwin*)
 623     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof ${libgcj}"
 624     ;;
 625   powerpc-*-eabi)
 626     noconfigdirs="$noconfigdirs ${libgcj}"
 627     ;;
 628   powerpc64*-*-linux*)
 629     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 630     # not yet ported.
 631     noconfigdirs="$noconfigdirs target-libffi"
 632     ;;
 633   rs6000-*-lynxos*)
 634     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 635     ;;
 636   rs6000-*-aix*)
 637     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 638     ;;
 639   rs6000-*-*)
 640     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 641     ;;
 642   m68k-apollo-*)
 643     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 644     ;;
 645   mips*-*-irix5*)
 646     # The GNU linker does not support shared libraries.
 647     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 648     ;;
 649   mips*-*-irix6*)
 650     # The GNU assembler does not support IRIX 6.
 651     # Linking libjava exceeds command-line length limits on at least
 652     # IRIX 6.2, but not on IRIX 6.5.
 653     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 654     # <oldham@codesourcery.com>
 655     noconfigdirs="$noconfigdirs gas gprof target-libgloss ${libgcj}"
 656     ;;
 657   mips*-dec-bsd*)
 658     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 659     ;;
 660   mips*-*-bsd*)
 661     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 662     ;;
 663   mipstx39-*-*)
 664     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 665    ;;
 666   mips*-*-linux*)
 667     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 668     ;;
 669   mips*-*-*)
 670     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 671     ;;
 672   romp-*-*)
 673     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 674     ;;
 675   sh-*-*)
 676     case "${host}" in
 677       i[[3456]]86-*-vsta) ;; # don't add gprof back in
 678       i[[3456]]86-*-go32*) ;; # don't add gprof back in
 679       i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 680       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 681     esac
 682     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 683     ;;
 684   sh64-*-*)
 685     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 686     ;;
 687   sparc-*-elf*)
 688     noconfigdirs="$noconfigdirs ${libgcj}"
 689     ;;
 690   sparc64-*-elf*)
 691     noconfigdirs="$noconfigdirs ${libgcj}"
 692     ;;
 693   sparclite-*-*)
 694     noconfigdirs="$noconfigdirs ${libgcj}"
 695     ;;
 696   sparc-*-sunos4*)
 697     noconfigdirs="$noconfigdirs ${libgcj}"
 698     if test x${is_cross_compiler} != xno ; then
 699            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 700     else
 701            use_gnu_ld=no
 702     fi
 703     ;;
 704   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 705     ;;
 706   v810-*-*)
 707     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 708     ;;
 709   v850-*-*)
 710     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 711     ;;
 712   v850e-*-*)
 713     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 714     ;;
 715   v850ea-*-*)
 716     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 717     ;;
 718   vax-*-vms)
 719     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 720     ;;
 721   vax-*-*)
 722     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 723     ;;
 724   ip2k-*-*)
 725     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 726     ;;
 727   *-*-linux*)
 728     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 729     ;;
 730   *-*-lynxos*)
 731     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 732     ;;
 733   *-*-*)
 734     noconfigdirs="$noconfigdirs ${libgcj}"
 735     ;;
 736 esac
 737
 738 # If we aren't building newlib, then don't build libgloss, since libgloss
 739 # depends upon some newlib header files.
 740 case "${noconfigdirs}" in
 741   *target-libgloss*) ;;
 742   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 743 esac
 744
 745 # Figure out what language subdirectories are present.
 746 # Look if the user specified --enable-languages="..."; if not, use
 747 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 748 # go away some day.
 749 # NB:  embedded tabs in this IF block -- do not untabify
 750 if test x"${enable_languages+set}" != xset; then
 751         if test x"${LANGUAGES+set}" = xset; then
 752                 enable_languages="${LANGUAGES}"
 753                 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 754         else
 755                 enable_languages=all
 756         fi
 757 else
 758         if test x"${enable_languages}" = x ||
 759            test x"${enable_languages}" = xyes;
 760         then
 761                 echo configure.in: --enable-languages needs at least one language argument 1>&2
 762                 exit 1
 763         fi
 764 fi
 765 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 766
 767 # First scan to see if an enabled language requires some other language.
 768 # We assume that a given config-lang.in will list all the language
 769 # front ends it requires, even if some are required indirectly.
 770 for lang in ${srcdir}/gcc/*/config-lang.in ..
 771 do
 772    case $lang in
 773     ..)
 774        ;;
 775     # The odd quoting in the next line works around
 776     # an apparent bug in bash 1.12 on linux.
 777     ${srcdir}/gcc/[[*]]/config-lang.in)
 778        ;;
 779     *)
 780        lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^         ]]*\).*$,\1,p' $lang`
 781        this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^       ]]*\).*$,\1,p' $lang`
 782        for other in $this_lang_requires
 783        do
 784           case ,${enable_languages}, in
 785            *,$other,*)
 786               ;;
 787            *,all,*)
 788               ;;
 789            *,$lang_alias,*)
 790               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
 791               enable_languages="$enable_languages,$other"
 792               ;;
 793           esac
 794        done
 795        ;;
 796    esac
 797 done
 798
 799 subdirs=
 800 for lang in ${srcdir}/gcc/*/config-lang.in ..
 801 do
 802         case $lang in
 803         ..) ;;
 804         # The odd quoting in the next line works around
 805         # an apparent bug in bash 1.12 on linux.
 806         ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 807         *)
 808           lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^      ]]*\).*$,\1,p' $lang`
 809           this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^    ]]*\).*$,\1,p' $lang`
 810           this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^        ]]*\).*$,\1,p' $lang`
 811           build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^        ]]*\).*$,\1,p' $lang`
 812           if test "x$lang_alias" = x
 813           then
 814                 echo "$lang doesn't set \$language." 1>&2
 815                 exit 1
 816           fi
 817           case ${build_by_default},${enable_languages}, in
 818           *,$lang_alias,*) add_this_lang=yes ;;
 819           no,*) add_this_lang=no ;;
 820           *,all,*) add_this_lang=yes ;;
 821           *) add_this_lang=no ;;
 822           esac
 823           if test x"${add_this_lang}" = xyes; then
 824               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 825           else
 826               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
 827           fi
 828           ;;
 829         esac
 830 done
 831
 832 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 833 # $target_configdirs.
 834 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 835
 836 notsupp=""
 837 for dir in . $skipdirs $noconfigdirs ; do
 838   dirname=`echo $dir | sed -e s/target-//g`
 839   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 840     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 841     if test -r $srcdir/$dirname/configure ; then
 842       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 843         true
 844       else
 845         notsupp="$notsupp $dir"
 846       fi
 847     fi
 848   fi
 849   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 850     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 851     if test -r $srcdir/$dirname/configure ; then
 852       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 853         true
 854       else
 855         notsupp="$notsupp $dir"
 856       fi
 857     fi
 858   fi
 859 done
 860
 861 # Sometimes the tools are distributed with libiberty but with no other
 862 # libraries.  In that case, we don't want to build target-libiberty.
 863 if test -n "${target_configdirs}" ; then
 864   others=
 865   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 866     if test "$i" != "libiberty" ; then
 867       if test -r $srcdir/$i/configure ; then
 868         others=yes;
 869         break;
 870       fi
 871     fi
 872   done
 873   if test -z "${others}" ; then
 874     target_configdirs=
 875   fi
 876 fi
 877
 878 # Deconfigure all subdirectories, in case we are changing the
 879 # configuration from one where a subdirectory is supported to one where it
 880 # is not.
 881 if test -z "${norecursion}" && test -n "${configdirs}" ; then
 882   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
 883     rm -f $i/Makefile
 884   done
 885 fi
 886 if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
 887   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 888     rm -f ${target_subdir}/$i/Makefile
 889   done
 890 fi
 891
 892 # Quietly strip out all directories which aren't configurable in this tree.
 893 # This relies on all configurable subdirectories being autoconfiscated, which
 894 # is now the case.
 895 configdirs_all="$configdirs"
 896 configdirs=
 897 for i in ${configdirs_all} ; do
 898   if test -f ${srcdir}/$i/configure ; then
 899     configdirs="${configdirs} $i"
 900   fi
 901 done
 902 target_configdirs_all="$target_configdirs"
 903 target_configdirs=
 904 for i in ${target_configdirs_all} ; do
 905   j=`echo $i | sed -e s/target-//g`
 906   if test -f ${srcdir}/$j/configure ; then
 907     target_configdirs="${target_configdirs} $i"
 908   fi
 909 done
 910
 911 # Produce a warning message for the subdirs we can't configure.
 912 # This isn't especially interesting in the Cygnus tree, but in the individual
 913 # FSF releases, it's important to let people know when their machine isn't
 914 # supported by the one or two programs in a package.
 915
 916 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 917   # If $appdirs is non-empty, at least one of those directories must still
 918   # be configured, or we error out.  (E.g., if the gas release supports a
 919   # specified target in some subdirs but not the gas subdir, we shouldn't
 920   # pretend that all is well.)
 921   if test -n "$appdirs" ; then
 922     for dir in $appdirs ; do
 923       if test -r $dir/Makefile.in ; then
 924         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 925           appdirs=""
 926           break
 927         fi
 928         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 929           appdirs=""
 930           break
 931         fi
 932       fi
 933     done
 934     if test -n "$appdirs" ; then
 935       echo "*** This configuration is not supported by this package." 1>&2
 936       exit 1
 937     fi
 938   fi
 939   # Okay, some application will build, or we don't care to check.  Still
 940   # notify of subdirs not getting built.
 941   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 942   echo "    ${notsupp}" 1>&2
 943   echo "    (Any other directories should still work fine.)" 1>&2
 944 fi
 945
 946 case "$host" in
 947   *msdosdjgpp*)
 948     enable_gdbtk=no ;;
 949 esac
 950
 951 copy_dirs=
 952
 953 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 954 # the named directory are copied to $(tooldir)/sys-include.
 955 if test x"${with_headers}" != x ; then
 956   if test x${is_cross_compiler} = xno ; then
 957     echo 1>&2 '***' --with-headers is only supported when cross compiling
 958     exit 1
 959   fi
 960   if test x"${with_headers}" != xyes ; then
 961     case "${exec_prefixoption}" in
 962     "") x=${prefix} ;;
 963     *) x=${exec_prefix} ;;
 964     esac
 965     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 966   fi
 967 fi
 968
 969 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 970 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 971 # are permitted.
 972 if test x"${with_libs}" != x ; then
 973   if test x${is_cross_compiler} = xno ; then
 974     echo 1>&2 '***' --with-libs is only supported when cross compiling
 975     exit 1
 976   fi
 977   if test x"${with_libs}" != xyes ; then
 978     # Copy the libraries in reverse order, so that files in the first named
 979     # library override files in subsequent libraries.
 980     case "${exec_prefixoption}" in
 981     "") x=${prefix} ;;
 982     *) x=${exec_prefix} ;;
 983     esac
 984     for l in ${with_libs}; do
 985       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 986     done
 987   fi
 988 fi
 989
 990 # Handle ${copy_dirs}
 991 set fnord ${copy_dirs}
 992 shift
 993 while test $# != 0 ; do
 994   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 995     :
 996   else
 997     echo Copying $1 to $2
 998
 999     # Use the install script to create the directory and all required
1000     # parent directories.
1001     if test -d $2 ; then
1002       :
1003     else
1004       echo >config.temp
1005       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1006     fi
1007
1008     # Copy the directory, assuming we have tar.
1009     # FIXME: Should we use B in the second tar?  Not all systems support it.
1010     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1011
1012     # It is the responsibility of the user to correctly adjust all
1013     # symlinks.  If somebody can figure out how to handle them correctly
1014     # here, feel free to add the code.
1015
1016     echo $1 > $2/COPIED
1017   fi
1018   shift; shift
1019 done
1020
1021 # Work in distributions that contain no compiler tools, like Autoconf.
1022 tentative_cc=""
1023 host_makefile_frag=/dev/null
1024 if test -d ${srcdir}/config ; then
1025 case "${host}" in
1026   m68k-hp-hpux*)
1027     # Avoid "too much defining" errors from HPUX compiler.
1028     tentative_cc="cc -Wp,-H256000"
1029     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1030     # If it's HP/UX ar, this should be harmless.
1031     RANLIB="ar ts"
1032     ;;
1033   m68k-apollo-sysv*)
1034     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1035     ;;
1036   m68k-apollo-bsd*)
1037     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1038     # chokes on bfd, the compiler won't let you assign integers to enums, and
1039     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1040     # the apollo compiler" (the preferred version of GCC could be called cc,
1041     # or whatever), but I'm not sure leaving CC as cc is any better...
1042     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1043     # Used to have BISON=yacc.
1044     tentative_cc=gcc
1045     ;;
1046   m88k-dg-dgux*)
1047     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1048     host_makefile_frag="config/mh-dgux"
1049     ;;
1050   m88k-harris-cxux*)
1051     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1052     tentative_cc="cc -Xa"
1053     host_makefile_frag="config/mh-cxux"
1054     ;;
1055   m88k-motorola-sysv*)
1056     ;;
1057   mips*-dec-ultrix*)
1058     tentative_cc="cc -Wf,-XNg1000"
1059     host_makefile_frag="config/mh-decstation"
1060     ;;
1061   mips*-nec-sysv4*)
1062     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1063     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1064     host_makefile_frag="config/mh-necv4"
1065     ;;
1066   mips*-sgi-irix4*)
1067     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1068     # environment.  Also bump switch table size so that cp-parse will
1069     # compile.  Bump string length limit so linker builds.
1070     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1071     ;;
1072   mips*-*-sysv4*)
1073     host_makefile_frag="config/mh-sysv4"
1074     ;;
1075   mips*-*-sysv*)
1076     # This is for a MIPS running RISC/os 4.52C.
1077
1078     # This is needed for GDB, but needs to be in the top-level make because
1079     # if a library is compiled with the bsd headers and gets linked with the
1080     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1081     # a different size).
1082     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1083     # known except to select the sysv environment.  Could we use /proc instead?
1084     # These "sysv environments" and "bsd environments" often end up being a pain.
1085     #
1086     # This is not part of CFLAGS because perhaps not all C compilers have this
1087     # option.
1088     tentative_cc="cc -systype sysv"
1089     ;;
1090   i370-ibm-opened*)
1091     tentative_cc="c89"
1092     ;;
1093   i[[3456]]86-*-sysv5*)
1094     host_makefile_frag="config/mh-sysv5"
1095     ;;
1096   i[[3456]]86-*-dgux*)
1097     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1098     host_makefile_frag="config/mh-dgux386"
1099     ;;
1100   i[[3456]]86-ncr-sysv4.3*)
1101     # The MetaWare compiler will generate a copyright message unless you
1102     # turn it off by adding the -Hnocopyr flag.
1103     tentative_cc="cc -Hnocopyr"
1104     ;;
1105   i[[3456]]86-ncr-sysv4*)
1106     # for an NCR 3000 (i486/SVR4) system.
1107     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1108     # This compiler not only emits obnoxious copyright messages every time
1109     # you run it, but it chokes and dies on a whole bunch of GNU source
1110     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1111     tentative_cc="/usr/ccs/ATT/cc"
1112     host_makefile_frag="config/mh-ncr3000"
1113     ;;
1114   i[[3456]]86-*-sco3.2v5*)
1115     ;;
1116   i[[3456]]86-*-sco*)
1117     # The native C compiler botches some simple uses of const.  Unfortunately,
1118     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1119     tentative_cc="cc -Dconst="
1120     host_makefile_frag="config/mh-sco"
1121     ;;
1122   i[[3456]]86-*-udk*)
1123     host_makefile_frag="config/mh-sysv5"
1124     ;;
1125   i[[3456]]86-*-solaris2*)
1126     host_makefile_frag="config/mh-sysv4"
1127     ;;
1128   i[[3456]]86-*-msdosdjgpp*)
1129     host_makefile_frag="config/mh-djgpp"
1130     ;;
1131   *-cygwin*)
1132     host_makefile_frag="config/mh-cygwin"
1133     ;;
1134   *-mingw32*)
1135     host_makefile_frag="config/mh-mingw32"
1136     ;;
1137   *-interix*)
1138     host_makefile_frag="config/mh-interix"
1139     ;;
1140   vax-*-ultrix2*)
1141     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1142     tentative_cc=gcc
1143     ;;
1144   *-*-solaris2*)
1145     host_makefile_frag="config/mh-solaris"
1146     ;;
1147   m68k-sun-sunos*)
1148     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1149     # without overflowing the jump tables (-J says to use a 32 bit table)
1150     tentative_cc="cc -J"
1151     ;;
1152   *-hp-hpux*)
1153     tentative_cc="cc -Wp,-H256000"
1154     ;;
1155   *-*-hiux*)
1156     tentative_cc="cc -Wp,-H256000"
1157     ;;
1158   rs6000-*-lynxos*)
1159     # /bin/cc is less than useful for our purposes.  Always use GCC
1160     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1161     host_makefile_frag="config/mh-lynxrs6k"
1162     ;;
1163   *-*-lynxos*)
1164     # /bin/cc is less than useful for our purposes.  Always use GCC
1165     tentative_cc="/bin/gcc"
1166     ;;
1167   *-*-sysv4*)
1168     host_makefile_frag="config/mh-sysv4"
1169     ;;
1170 esac
1171 fi
1172
1173 extra_arflags_for_target=
1174 extra_nmflags_for_target=
1175 extra_ranlibflags_for_target=
1176 target_makefile_frag=/dev/null
1177 case "${target}" in
1178   i[[3456]]86-*-netware*)
1179     target_makefile_frag="config/mt-netware"
1180     ;;
1181   powerpc-*-netware*)
1182     target_makefile_frag="config/mt-netware"
1183     ;;
1184   *-*-linux*)
1185     target_makefile_frag="config/mt-linux"
1186     ;;
1187   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1188     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1189     # commands to handle both 32-bit and 64-bit objects.  These flags are
1190     # harmless if we're using GNU nm or ar.
1191     extra_arflags_for_target=" -X32_64"
1192     extra_nmflags_for_target=" -B -X32_64"
1193     ;;
1194   *-*-darwin*)
1195     # ranlib from Darwin requires the -c flag to look at common symbols.
1196     extra_ranlibflags_for_target=" -c"
1197     ;;
1198   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1199     target_makefile_frag="config/mt-wince"
1200     ;;
1201 esac
1202
1203 alphaieee_frag=/dev/null
1204 case $target in
1205   alpha*-*-*)
1206     # This just makes sure to use the -mieee option to build target libs.
1207     # This should probably be set individually by each library.
1208     alphaieee_frag="config/mt-alphaieee"
1209     ;;
1210 esac
1211
1212 # If --enable-target-optspace always use -Os instead of -O2 to build
1213 # the target libraries, similarly if it is not specified, use -Os
1214 # on selected platforms.
1215 ospace_frag=/dev/null
1216 case "${enable_target_optspace}:${target}" in
1217   yes:*)
1218     ospace_frag="config/mt-ospace"
1219     ;;
1220   :d30v-*)
1221     ospace_frag="config/mt-d30v"
1222     ;;
1223   :m32r-* | :d10v-* | :fr30-*)
1224     ospace_frag="config/mt-ospace"
1225     ;;
1226   no:* | :*)
1227     ;;
1228   *)
1229     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1230     ;;
1231 esac
1232
1233 # Set with_gnu_as and with_gnu_ld as appropriate.
1234 #
1235 # This is done by determining whether or not the appropriate directory
1236 # is available, and by checking whether or not specific configurations
1237 # have requested that this magic not happen.
1238 #
1239 # The command line options always override the explicit settings in
1240 # configure.in, and the settings in configure.in override this magic.
1241 #
1242 # If the default for a toolchain is to use GNU as and ld, and you don't
1243 # want to do that, then you should use the --without-gnu-as and
1244 # --without-gnu-ld options for the configure script.
1245
1246 if test x${use_gnu_as} = x &&
1247    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1248   with_gnu_as=yes
1249   extra_host_args="$extra_host_args --with-gnu-as"
1250 fi
1251
1252 if test x${use_gnu_ld} = x &&
1253    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1254   with_gnu_ld=yes
1255   extra_host_args="$extra_host_args --with-gnu-ld"
1256 fi
1257
1258 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1259 # can detect this case.
1260
1261 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1262   with_newlib=yes
1263   extra_host_args="$extra_host_args --with-newlib"
1264 fi
1265
1266 # We default to --with-shared on platforms where -fpic is meaningless.
1267 # Well, we don't yet, but we will.
1268 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1269   case "${target}" in
1270     alpha*-dec-osf*)    enable_shared=yes ;;
1271     alpha*-*-linux*)    enable_shared=yes ;;
1272     mips-sgi-irix5*)    enable_shared=yes ;;
1273     *)                  enable_shared=no ;;
1274   esac
1275 fi
1276
1277 case "${enable_shared}" in
1278   yes) shared=yes ;;
1279   no) shared=no ;;
1280   "") shared=no ;;
1281   *) shared=yes ;;
1282 esac
1283
1284
1285 # Default to using --with-stabs for certain targets.
1286 if test x${with_stabs} = x ; then
1287   case "${target}" in
1288   mips*-*-irix6*o32)
1289     with_stabs=yes;
1290     extra_host_args="${extra_host_args} --with-stabs"
1291     ;;
1292   mips*-*-irix6*)
1293     ;;
1294   mips*-*-* | alpha*-*-osf*)
1295     with_stabs=yes;
1296     extra_host_args="${extra_host_args} --with-stabs"
1297     ;;
1298   esac
1299 fi
1300
1301 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1302 # them automatically.
1303 case "${host}" in
1304   hppa*64*-*-hpux11*)
1305     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1306     ;;
1307 esac
1308
1309 # If we aren't going to be using gcc, see if we can extract a definition
1310 # of CC from the fragment.
1311 # Actually, use the 'pre-extracted' version above.
1312 if test -z "${CC}" && test "${build}" = "${host}" ; then
1313   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1314   found=
1315   for dir in $PATH; do
1316     test -z "$dir" && dir=.
1317     if test -f $dir/gcc; then
1318       found=yes
1319       break
1320     fi
1321   done
1322   IFS="$save_ifs"
1323   if test -z "${found}" && test -n "${tentative_cc}" ; then
1324     CC=$tentative_cc
1325   fi
1326 fi
1327
1328 # Some systems (e.g., one of the i386-aix systems the gas testers are
1329 # using) don't handle "\$" correctly, so don't use it here.
1330 tooldir='$(exec_prefix)'/${target_alias}
1331 build_tooldir=${tooldir}
1332
1333 # Generate a default definition for YACC.  This is used if the makefile can't
1334 # locate bison or byacc in objdir.
1335
1336 for prog in 'bison -y' byacc yacc
1337 do
1338   set dummy $prog; tmp=$2
1339   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1340   for dir in $PATH; do
1341     test -z "$dir" && dir=.
1342     if test -f $dir/$tmp; then
1343       DEFAULT_YACC="$prog"
1344       break
1345     fi
1346   done
1347   IFS="$save_ifs"
1348
1349   test -n "$DEFAULT_YACC" && break
1350 done
1351
1352 # Generate a default definition for M4.  This is used if the makefile can't
1353 # locate m4 in objdir.
1354
1355 for prog in gm4 gnum4 m4
1356 do
1357   set dummy $prog; tmp=$2
1358   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1359   for dir in $PATH; do
1360     test -z "$dir" && dir=.
1361     if test -f $dir/$tmp; then
1362       DEFAULT_M4="$prog"
1363       break
1364     fi
1365   done
1366   IFS="$save_ifs"
1367
1368   test -n "$DEFAULT_M4" && break
1369 done
1370
1371 # Generate a default definition for LEX.  This is used if the makefile can't
1372 # locate flex in objdir.
1373
1374 for prog in flex lex
1375 do
1376   set dummy $prog; tmp=$2
1377   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1378   for dir in $PATH; do
1379     test -z "$dir" && dir=.
1380     if test -f $dir/$tmp; then
1381       DEFAULT_LEX="$prog"
1382       break
1383     fi
1384   done
1385   IFS="$save_ifs"
1386
1387   test -n "$DEFAULT_LEX" && break
1388 done
1389
1390 if test "${build}" != "${host}" ; then
1391   # If we are doing a Canadian Cross, in which the host and build systems
1392   # are not the same, we set reasonable default values for the tools.
1393
1394   BISON=${BISON-bison}
1395   CC=${CC-${host_alias}-gcc}
1396   CFLAGS=${CFLAGS-"-g -O2"}
1397   CXX=${CXX-${host_alias}-c++}
1398   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1399   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1400   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1401   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1402   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1403   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1404   BUILD_PREFIX=${build_alias}-
1405   BUILD_PREFIX_1=${build_alias}-
1406   MAKEINFO=${MAKEINFO-makeinfo}
1407
1408   if test -z "${YACC}" ; then
1409     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1410     for dir in $PATH; do
1411       test -z "$dir" && dir=.
1412       if test -f $dir/bison; then
1413         YACC="bison -y"
1414         break
1415       fi
1416       if test -f $dir/byacc; then
1417         YACC=byacc
1418         break
1419       fi
1420       if test -f $dir/yacc; then
1421         YACC=yacc
1422         break
1423       fi
1424     done
1425     IFS="$save_ifs"
1426     if test -z "${YACC}" ; then
1427       YACC="bison -y"
1428     fi
1429   fi
1430
1431   if test -z "${LEX}" ; then
1432     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1433     for dir in $PATH; do
1434       test -z "$dir" && dir=.
1435       if test -f $dir/flex; then
1436         LEX=flex
1437         break
1438       fi
1439       if test -f $dir/lex; then
1440         LEX=lex
1441         break
1442       fi
1443     done
1444     IFS="$save_ifs"
1445     LEX=${LEX-flex}
1446   fi
1447
1448 else
1449   # Set reasonable default values for some tools even if not Canadian.
1450   # Of course, these are different reasonable default values, originally
1451   # specified directly in the Makefile.
1452   # We don't export, so that autoconf can do its job.
1453   # Note that all these settings are above the fragment inclusion point
1454   # in Makefile.in, so can still be overridden by fragments.
1455   # This is all going to change when we autoconfiscate...
1456
1457   BISON="\$(USUAL_BISON)"
1458   CC_FOR_BUILD="\$(CC)"
1459   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1460   BUILD_PREFIX=
1461   BUILD_PREFIX_1=loser-
1462   MAKEINFO="\$(USUAL_MAKEINFO)"
1463   LEX="\$(USUAL_LEX)"
1464   YACC="\$(USUAL_YACC)"
1465
1466   # If CC is still not set, try to get gcc.
1467   if test -z "${CC}" ; then
1468     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1469     for dir in $PATH; do
1470       test -z "$dir" && dir=.
1471       if test -f $dir/gcc; then
1472         CC="gcc"
1473         echo 'void f(){}' > conftest.c
1474         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1475           CFLAGS=${CFLAGS-"-g -O2"}
1476           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1477         else
1478           CFLAGS=${CFLAGS-"-O2"}
1479           CXXFLAGS=${CXXFLAGS-"-O2"}
1480         fi
1481         rm -f conftest*
1482         break
1483       fi
1484     done
1485     IFS="$save_ifs"
1486     CC=${CC-cc}
1487   else
1488     if test -z "${CFLAGS}"; then
1489       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1490       # is set to a version of gcc.
1491       case "${CC}" in
1492       *gcc)
1493         echo 'void f(){}' > conftest.c
1494         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1495           CFLAGS=${CFLAGS-"-g -O2"}
1496           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1497         else
1498           CFLAGS=${CFLAGS-"-O2"}
1499           CXXFLAGS=${CXXFLAGS-"-O2"}
1500         fi
1501         rm -f conftest*
1502         ;;
1503       esac
1504     fi
1505   fi
1506
1507   CXX=${CXX-"c++"}
1508   CFLAGS=${CFLAGS-"-g"}
1509   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1510 fi
1511
1512 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1513 # Set up the list of links to be made.
1514 # ${links} is the list of link names, and ${files} is the list of names to link to.
1515
1516 # Make the links.
1517 configlinks="${links}"
1518 if test -r ./config.status  ; then
1519   mv -f ./config.status ./config.back
1520 fi
1521 while test -n "${files}" ; do
1522   # set file to car of files, files to cdr of files
1523   set ${files}; file=$1; shift; files=$*
1524   set ${links}; link=$1; shift; links=$*
1525
1526   if test ! -r ${srcdir}/${file} ; then
1527     if test ! -r ${file} ; then
1528       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1529       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1530       exit 1
1531     else
1532       srcfile=${file}
1533     fi
1534   else
1535     srcfile=${srcdir}/${file}
1536   fi
1537
1538   ${remove} -f ${link}
1539   # Make a symlink if possible, otherwise try a hard link
1540   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1541     true
1542   else
1543     # We need to re-remove the file because Lynx leaves a
1544     # very strange directory there when it fails an NFS symlink.
1545     ${remove} -r -f ${link}
1546     ${hard_link} ${srcfile} ${link}
1547   fi
1548   if test ! -r ${link} ; then
1549     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1550     exit 1
1551   fi
1552
1553   echo "Linked \"${link}\" to \"${srcfile}\"."
1554 done
1555
1556 # Create a .gdbinit file which runs the one in srcdir
1557 # and tells GDB to look there for source files.
1558
1559 if test -r ${srcdir}/.gdbinit ; then
1560   case ${srcdir} in
1561     .) ;;
1562     *) cat > ./.gdbinit <<EOF
1563 # ${NO_EDIT}
1564 dir ${srcdir}
1565 dir .
1566 source ${srcdir}/.gdbinit
1567 EOF
1568     ;;
1569   esac
1570 fi
1571
1572 # record if we want runtime library stuff installed in libsubdir.
1573 # Blank means no.
1574 if test -z "${enable_version_specific_runtime_libs}"; then
1575   enable_version_specific_runtime_libs=no
1576 fi
1577
1578 # Make sure that the compiler is able to generate an executable.  If it
1579 # can't, we are probably in trouble.  We don't care whether we can run the
1580 # executable--we might be using a cross compiler--we only care whether it
1581 # can be created.  At this point the main configure script has set CC.
1582 we_are_ok=no
1583 echo "int main () { return 0; }" > conftest.c
1584 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1585 if test $? = 0 ; then
1586   if test -s conftest || test -s conftest.exe ; then
1587     we_are_ok=yes
1588   fi
1589 fi
1590 case $we_are_ok in
1591   no)
1592     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1593     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1594     rm -f conftest*
1595     exit 1
1596     ;;
1597 esac
1598 rm -f conftest*
1599
1600 # The Solaris /usr/ucb/cc compiler does not appear to work.
1601 case "${host}" in
1602   sparc-sun-solaris2*)
1603       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1604       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1605           could_use=
1606           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1607           if test -d /opt/cygnus/bin ; then
1608               if test "$could_use" = "" ; then
1609                   could_use="/opt/cygnus/bin"
1610               else
1611                   could_use="$could_use or /opt/cygnus/bin"
1612               fi
1613           fi
1614         if test "$could_use" = "" ; then
1615             echo "Warning: compilation may fail because you're using"
1616             echo "/usr/ucb/cc.  You should change your PATH or CC "
1617             echo "variable and rerun configure."
1618         else
1619             echo "Warning: compilation may fail because you're using"
1620             echo "/usr/ucb/cc, when you should use the C compiler from"
1621             echo "$could_use.  You should change your"
1622             echo "PATH or CC variable and rerun configure."
1623         fi
1624       fi
1625   ;;
1626 esac
1627
1628 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1629 # binutils tools will find libbfd.so.
1630 if test "${shared}" = "yes" ; then
1631   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1632 else
1633   SET_LIB_PATH=
1634 fi
1635
1636
1637 case "${host}" in
1638   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1639   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1640 esac
1641
1642 # Record target_configdirs and the configure arguments for target and
1643 # build configuration in Makefile.
1644 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1645
1646 # This is the final value for target_configdirs.  configdirs already
1647 # has its final value.  It's time to create some lists of valid targets.
1648
1649 all_build_modules=
1650 configure_build_modules=
1651 # Only make build modules if build != host.
1652 # This should be done more generally, but at the moment it doesn't matter.
1653 if test ${host_alias} != ${build_alias} ; then
1654   all_build_modules=all-build-libiberty
1655   configure_build_modules=configure-build-libiberty
1656 fi
1657
1658 all_host_modules=
1659 check_host_modules=
1660 install_host_modules=
1661 configure_host_modules=
1662 for module in ${configdirs} ; do
1663   all_host_modules="${all_host_modules} all-${module}"
1664   check_host_modules="${check_host_modules} check-${module}"
1665   install_host_modules="${install_host_modules} install-${module}"
1666   configure_host_modules="${configure_host_modules} configure-${module}"
1667 done
1668 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1669
1670 all_target_modules=
1671 check_target_modules=
1672 install_target_modules=
1673 configure_target_modules=
1674 for module in ${target_configdirs} ; do
1675   all_target_modules="${all_target_modules} all-target-${module}"
1676   check_target_modules="${check_target_modules} check-target-${module}"
1677   install_target_modules="${install_target_modules} install-target-${module}"
1678   configure_target_modules="${configure_target_modules} configure-target-${module}"
1679 done
1680
1681 # Determine whether gdb needs tk/tcl or not.
1682 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1683 # and in that case we want gdb to be built without tk.  Ugh!
1684 # In fact I believe gdb is the *only* package directly dependent on tk,
1685 # so we should be able to put the 'maybe's in unconditionally and
1686 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1687 # 100% sure that that's safe though.
1688 case "$enable_gdbtk" in
1689   no)
1690     GDB_TK="" ;;
1691   *)
1692     GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
1693 esac
1694
1695 # Create the 'maybe dependencies'.  This uses a temporary file.
1696 rm -f maybedep.tmp
1697 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1698         ${install_host_modules} ${install_target_modules} \
1699         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1700         ; do
1701   echo "maybe-${item}: ${item}" >> maybedep.tmp
1702 done
1703 maybe_dependencies=maybedep.tmp
1704 AC_SUBST_FILE(maybe_dependencies)
1705
1706 # Create the serialization dependencies.  This uses a temporary file.
1707
1708 # These force 'configure's to be done one at a time, to avoid problems
1709 # with contention over a shared config.cache.
1710 rm -f serdep.tmp
1711 olditem=
1712 for item in ${build_configdirs} ; do
1713   case ${olditem} in
1714     "") ;;
1715     *) echo "\$(BUILD_SUBDIR)/${item}/Makefile: \$(BUILD_SUBDIR)/${olditem}/Makefile" >> serdep.tmp ;;
1716   esac
1717   olditem=${item}
1718 done
1719 olditem=
1720 for item in ${configdirs} ; do
1721   case ${olditem} in
1722     "") ;;
1723     *) echo "${item}/Makefile: ${olditem}/Makefile" >> serdep.tmp ;;
1724   esac
1725   olditem=${item}
1726 done
1727 olditem=
1728 for item in ${target_configdirs} ; do
1729   case ${olditem} in
1730     "") ;;
1731     *) echo "\$(TARGET_SUBDIR)/${item}/Makefile: \$(TARGET_SUBDIR)/${olditem}/Makefile" >> serdep.tmp ;;
1732   esac
1733   olditem=${item}
1734 done
1735 serialization_dependencies=serdep.tmp
1736 AC_SUBST_FILE(serialization_dependencies)
1737
1738 # Base args.  Strip norecursion, cache-file, srcdir, host, build, target.
1739 # These are the ones we might not want to pass down to subconfigures.
1740 baseargs=`echo "${ac_configure_args}" | \
1741         sed -e 's/--no[[^       ]]*//' \
1742             -e 's/--cache[[a-z-]]*=[[^  ]]*//' \
1743             -e 's/--sr[[a-z-]]*=[[^     ]]*//' \
1744             -e 's/--ho[[a-z-]]*=[[^     ]]*//' \
1745             -e 's/--bu[[a-z-]]*=[[^     ]]*//' \
1746             -e 's/--ta[[a-z-]]*=[[^     ]]*//'`
1747
1748 # For the build-side libraries, we just need to pretend we're native,
1749 # and not use the same cache file.  Multilibs are neither needed nor
1750 # desired.
1751 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1752
1753 # For host modules, accept cache file option, or specification as blank.
1754 case "${cache_file}" in
1755 "") # empty
1756   cache_file_option="" ;;
1757 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1758   cache_file_option="--cache-file=${cache_file}" ;;
1759 *) # relative path
1760   cache_file_option="--cache-file=../${cache_file}" ;;
1761 esac
1762
1763 host_configargs="${cache_file_option} ${buildopt} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1764
1765 target_configargs=${baseargs}
1766
1767 # Passing a --with-cross-host argument lets the target libraries know
1768 # whether they are being built with a cross-compiler or being built
1769 # native.  However, it would be better to use other mechanisms to make the
1770 # sorts of decisions they want to make on this basis.  Please consider
1771 # this option to be deprecated.  FIXME.
1772 if test x${is_cross_compiler} = xyes ; then
1773   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1774 fi
1775
1776 # Default to --enable-multilib.
1777 if test x${enable_multilib} = x ; then
1778   target_configargs="--enable-multilib ${target_configargs}"
1779 fi
1780
1781 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1782 # changed from the earlier setting of with_newlib.
1783 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1784   target_configargs="--with-newlib ${target_configargs}"
1785 fi
1786
1787 # Pass the appropriate --host, --build, and --cache-file arguments.
1788 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1789
1790 # provide a proper gxx_include_dir.
1791 # Note, if you change the default, make sure to fix both here and in
1792 # the gcc and libstdc++-v3 subdirectories.
1793 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1794 gxx_include_dir=
1795 if test -n "${with_gxx_include_dir}"; then
1796   case "${with_gxx_include_dir}" in
1797     yes )
1798       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1799       exit 1
1800       ;;
1801     no )
1802       ;;
1803     * )
1804       gxx_include_dir=${with_gxx_include_dir}
1805       ;;
1806   esac
1807 fi
1808 if test x${gxx_include_dir} = x; then
1809   if test x${enable_version_specific_runtime_libs} = xyes; then
1810     gxx_include_dir='${libsubdir}/include/c++'
1811   else
1812     . ${srcdir}/config.if
1813     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1814   fi
1815 else
1816   gxx_include_dir=${gxx_include_dir}
1817 fi
1818
1819 FLAGS_FOR_TARGET=
1820 case " $target_configdirs " in
1821  *" newlib "*)
1822   case " $target_configargs " in
1823   *" --with-newlib "*)
1824    case "$target" in
1825    *-cygwin*)
1826      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 -isystem $$s/newlib/libc/sys/cygwin -isystem $$s/newlib/libc/sys/cygwin32' ;;
1827    esac
1828
1829    # If we're not building GCC, don't discard standard headers.
1830    if test -d ${srcdir}/gcc; then
1831      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1832
1833      if test "${build}" != "${host}"; then
1834        # On Canadian crosses, CC_FOR_TARGET will have already been set
1835        # by `configure', so we won't have an opportunity to add -Bgcc/
1836        # to it.  This is right: we don't want to search that directory
1837        # for binaries, but we want the header files in there, so add
1838        # them explicitly.
1839        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1840
1841        # Someone might think of using the pre-installed headers on
1842        # Canadian crosses, in case the installed compiler is not fully
1843        # compatible with the compiler being built.  In this case, it
1844        # would be better to flag an error than risking having
1845        # incompatible object files being constructed.  We can't
1846        # guarantee that an error will be flagged, but let's hope the
1847        # compiler will do it, when presented with incompatible header
1848        # files.
1849      fi
1850    fi
1851
1852    case "${target}-${is_cross_compiler}" in
1853    i[[3456]]86-*-linux*-no)
1854       # Here host == target, so we don't need to build gcc,
1855       # so we don't want to discard standard headers.
1856       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1857       ;;
1858    *)
1859       # If we're building newlib, use its generic headers last, but search
1860       # for any libc-related directories first (so make it the last -B
1861       # switch).
1862       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1863       ;;
1864    esac
1865    ;;
1866   esac
1867   ;;
1868 esac
1869
1870 # On Canadian crosses, we'll be searching the right directories for
1871 # the previously-installed cross compiler, so don't bother to add
1872 # flags for directories within the install tree of the compiler
1873 # being built; programs in there won't even run.
1874 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1875   # Search for pre-installed headers if nothing else fits.
1876   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1877 fi
1878
1879 if test "x${use_gnu_ld}" = x &&
1880    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1881   # Arrange for us to find uninstalled linker scripts.
1882   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1883 fi
1884
1885 if test "x${CC_FOR_TARGET+set}" = xset; then
1886   :
1887 elif test -d ${srcdir}/gcc; then
1888   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1889 elif test "$host" = "$target"; then
1890   CC_FOR_TARGET='$(CC)'
1891 else
1892   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1893 fi
1894 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1895
1896 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1897   :
1898 elif test -d ${srcdir}/gcc; then
1899   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1900 elif test "$host" = "$target"; then
1901   GCJ_FOR_TARGET='gcj'
1902 else
1903   GCJ_FOR_TARGET=`echo gcj | sed -e 's/x/x/' ${program_transform_name}`
1904 fi
1905 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1906
1907 # Don't use libstdc++-v3's flags to configure/build itself.
1908 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1909 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1910
1911 if test "x${CXX_FOR_TARGET+set}" = xset; then
1912   :
1913 elif test -d ${srcdir}/gcc; then
1914   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1915   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1916   # default whereas gcc does not.
1917   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1918   # all other cases.
1919   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1920   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1921 elif test "$host" = "$target"; then
1922   CXX_FOR_TARGET='$(CXX)'
1923   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1924 else
1925   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1926   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1927 fi
1928 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1929 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1930
1931 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1932 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1933
1934 # We want to defer the evaluation of `cmd`s and shell variables in
1935 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1936 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1937 # quotes, but we still have to duplicate `$'s so that shell variables
1938 # can be expanded by the nested make as shell variables, not as make
1939 # macros.
1940 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1941 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1942
1943 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1944 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1945 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1946 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1947 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1948 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1949 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1950
1951 # Makefile fragments.
1952 host_makefile_frag=${srcdir}/${host_makefile_frag}
1953 target_makefile_frag=${srcdir}/${target_makefile_frag}
1954 alphaieee_frag=${srcdir}/${alphaieee_frag}
1955 ospace_frag=${srcdir}/${ospace_frag}
1956 AC_SUBST_FILE(host_makefile_frag)
1957 AC_SUBST_FILE(target_makefile_frag)
1958 AC_SUBST_FILE(alphaieee_frag)
1959 AC_SUBST_FILE(ospace_frag)
1960
1961 # Miscellanea: directories, flags, etc.
1962 AC_SUBST(SET_LIB_PATH)
1963 AC_SUBST(RPATH_ENVVAR)
1964 AC_SUBST(BUILD_PREFIX)
1965 AC_SUBST(BUILD_PREFIX_1)
1966 AC_SUBST(configlinks)
1967 AC_SUBST(enable_shared)
1968 AC_SUBST(enable_threads)
1969 AC_SUBST(enable_version_specific_runtime_libs)
1970 AC_SUBST(gcc_version_trigger)
1971 AC_SUBST(gcc_version)
1972 AC_SUBST(tooldir)
1973 AC_SUBST(build_tooldir)
1974 AC_SUBST(GDB_TK)
1975 AC_SUBST(gxx_include_dir)
1976 AC_SUBST(libstdcxx_incdir)
1977
1978 # Build module lists & subconfigure args.
1979 AC_SUBST(build_subdir)
1980 AC_SUBST(build_configargs)
1981 AC_SUBST(configure_build_modules)
1982 AC_SUBST(all_build_modules)
1983
1984 # Host module lists & subconfigure args.
1985 AC_SUBST(host_configargs)
1986 AC_SUBST(configdirs)
1987 AC_SUBST(configure_host_modules)
1988 AC_SUBST(all_host_modules)
1989 AC_SUBST(check_host_modules)
1990 AC_SUBST(install_host_modules)
1991 AC_SUBST(install_host_modules_nogcc)
1992
1993 # Target module lists & subconfigure args.
1994 AC_SUBST(target_subdir)
1995 AC_SUBST(target_configargs)
1996 AC_SUBST(target_configdirs)
1997 AC_SUBST(configure_target_modules)
1998 AC_SUBST(all_target_modules)
1999 AC_SUBST(check_target_modules)
2000 AC_SUBST(install_target_modules)
2001
2002 # Build tools.
2003 AC_SUBST(BISON)
2004 AC_SUBST(CC_FOR_BUILD)
2005 AC_SUBST(LEX)
2006 AC_SUBST(MAKEINFO)
2007 AC_SUBST(YACC)
2008 AC_SUBST(config_shell)
2009
2010 # Host tools.
2011 AC_CHECK_TOOL(AR, ar)
2012 AC_CHECK_TOOL(AS, as)
2013 AC_CHECK_TOOL(DLLTOOL, dlltool)
2014 AC_CHECK_TOOL(LD, ld)
2015 AC_CHECK_TOOL(NM, nm)
2016 AC_CHECK_TOOL(RANLIB, ranlib, :)
2017 AC_CHECK_TOOL(WINDRES, windres)
2018 AC_CHECK_TOOL(OBJCOPY, objcopy)
2019 AC_CHECK_TOOL(OBJDUMP, objdump)
2020 AC_SUBST(CC)
2021 AC_SUBST(CXX)
2022 AC_SUBST(CFLAGS)
2023 AC_SUBST(CXXFLAGS)
2024 AC_SUBST(DEFAULT_YACC)
2025 AC_SUBST(DEFAULT_LEX)
2026 AC_SUBST(DEFAULT_M4)
2027
2028 # Target tools.
2029 NCN_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2030 NCN_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2031 NCN_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2032 NCN_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2033 NCN_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2034 NCN_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2035 NCN_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2036
2037 AC_SUBST(GCC_FOR_TARGET)
2038 AC_SUBST(FLAGS_FOR_TARGET)
2039 AC_SUBST(CC_FOR_TARGET)
2040 AC_SUBST(GCJ_FOR_TARGET)
2041 AC_SUBST(CXX_FOR_TARGET)
2042 AC_SUBST(RAW_CXX_FOR_TARGET)
2043 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2044 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2045
2046 # Fix up target tools.
2047 if test "x${build}" = "x${host}" ; then
2048   # In this case, the newly built tools can and should be used,
2049   # so we override the results of the autoconf tests.
2050   # This should really only happen when the tools are actually being built,
2051   # but that's a further refinement.  The new build scheme, where
2052   # tools are built into a structure paralleling where they're installed,
2053   # should also eliminate all of this cleanly.
2054   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2055   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2056   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2057   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2058   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2059   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2060   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2061 fi
2062 # Certain tools may need extra flags.
2063 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2064 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2065 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2066
2067 AC_OUTPUT(Makefile)