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_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 sinclude(config/acx.m4)
  27
  28 # clear some things potentially inherited from environment.
  29
  30 enable_threads=no
  31 enable_shared=no
  32 enable_libstdcxx_v3=yes
  33 floating_point=default
  34 gas=default
  35 x11=default
  36
  37 ### we might need to use some other shell than /bin/sh for running subshells
  38 ### If we are on Windows, search for the shell.  This will permit people
  39 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  40 ### without also having to set CONFIG_SHELL.  This code will work when
  41 ### using bash, which sets OSTYPE.
  42 case "${OSTYPE}" in
  43 *win32*)
  44   if test x${CONFIG_SHELL} = x ; then
  45     if test ! -f /bin/sh ; then
  46       if test x${SHELL} != x && test -f ${SHELL} ; then
  47         CONFIG_SHELL=${SHELL}
  48         export CONFIG_SHELL
  49       else
  50         for prog in sh sh.exe bash bash.exe; do
  51           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  52           for dir in $PATH; do
  53             test -z "$dir" && dir=.
  54             if test -f $dir/$prog; then
  55               CONFIG_SHELL=$dir/$prog
  56               export CONFIG_SHELL
  57               break
  58             fi
  59           done
  60           IFS="$save_ifs"
  61           test -n "${CONFIG_SHELL}" && break
  62         done
  63       fi
  64     fi
  65   fi
  66   ;;
  67 esac
  68
  69 config_shell=${CONFIG_SHELL-/bin/sh}
  70
  71 ## this is a little touchy and won't always work, but...
  72 ##
  73 ## if the argv[[0]] starts with a slash then it is an absolute name that can (and
  74 ## must) be used as is.
  75 ##
  76 ## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
  77 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  78 ##
  79
  80 progname=$0
  81 # if PWD already has a value, it is probably wrong.
  82 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  83
  84 # Export original configure arguments for use by sub-configures.
  85 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  86 export TOPLEVEL_CONFIGURE_ARGUMENTS
  87
  88 moveifchange=${srcdir}/move-if-change
  89
  90 # Set srcdir to "." if that's what it is.
  91 # This is important for multilib support.
  92 pwd=`${PWDCMD-pwd}`
  93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  94 if test "${pwd}" = "${srcpwd}" ; then
  95   srcdir=.
  96 fi
  97
  98 topsrcdir=$srcpwd
  99
 100 extra_host_args=
 101 # Define the trigger file to make sure configure will re-run whenever
 102 # the gcc version number changes.
 103 if test "${with_gcc_version_trigger+set}" = set ; then
 104   gcc_version_trigger="$with_gcc_version_trigger"
 105   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 106 else
 107   # If gcc's sources are available, define the trigger file.
 108   if test -f ${topsrcdir}/gcc/version.c ; then
 109     gcc_version_trigger=${topsrcdir}/gcc/version.c
 110     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 111     case "$ac_configure_args" in
 112       *--with-gcc-version-trigger=$gcc_version_trigger* )
 113         ;;
 114       * )
 115         # Add to all subconfigure arguments: build, host, and target.
 116         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 117         ;;
 118     esac
 119   fi
 120 fi
 121
 122 ### To add a new directory to the tree, first choose whether it is a target
 123 ### or a host dependent tool.  Then put it into the appropriate list
 124 ### (library or tools, host or target), doing a dependency sort.
 125
 126 # Subdirs will be configured in the order listed in build_configdirs,
 127 # configdirs, or target_configdirs; see the serialization section below.
 128
 129 # Dependency sorting is only needed when *configuration* must be done in
 130 # a particular order.  In all cases a dependency should be specified in
 131 # the Makefile, whether or not it's implicitly specified here.
 132
 133 # Double entries in build_configdirs, configdirs, or target_configdirs may
 134 # cause circular dependencies and break everything horribly.
 135
 136 # these libraries are used by various programs built for the host environment
 137 #
 138 host_libs="intl mmalloc libiberty opcodes bfd readline db tcl tk itcl tix libgui zlib"
 139
 140 libstdcxx_version="target-libstdc++-v3"
 141
 142 # these tools are built for the host environment
 143 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 144 # know that we are building the simulator.
 145 # binutils, gas and ld appear in that order because it makes sense to run
 146 # "make check" in that particular order.
 147 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"
 148
 149 # libgcj represents the runtime libraries only used by gcj.
 150 libgcj="target-libffi \
 151         target-boehm-gc \
 152         target-zlib \
 153         target-qthreads \
 154         target-libjava"
 155
 156 # these libraries are built for the target environment, and are built after
 157 # the host libraries and the host tools (which may be a cross compiler)
 158 #
 159 target_libs="target-libiberty \
 160                 target-libgloss \
 161                 target-newlib \
 162                 ${libstdcxx_version} \
 163                 target-libf2c \
 164                 ${libgcj}
 165                 target-libobjc"
 166
 167 # these tools are built using the target libs, and are intended to run only
 168 # in the target environment
 169 #
 170 # note: any program that *uses* libraries that are in the "target_libs"
 171 # list belongs in this list.  those programs are also very likely
 172 # candidates for the "native_only" list which follows
 173 #
 174 target_tools="target-examples target-groff target-gperf target-rda"
 175
 176 ################################################################################
 177
 178 ## All tools belong in one of the four categories, and are assigned above
 179 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 180 ## is important because configure will choke if they ever get through.
 181 ## ${configdirs} is directories we build using the host tools.
 182 ## ${target_configdirs} is directories we build using the target tools.
 183 #
 184 configdirs=`echo ${host_libs} ${host_tools}`
 185 target_configdirs=`echo ${target_libs} ${target_tools}`
 186
 187 ################################################################################
 188
 189 srcname="gnu development package"
 190
 191 # This gets set non-empty for some net releases of packages.
 192 appdirs=""
 193
 194 # Define is_cross_compiler to save on calls to 'test'.
 195 is_cross_compiler=
 196 if test x"${host}" = x"${target}" ; then
 197   is_cross_compiler=no
 198 else
 199   is_cross_compiler=yes
 200 fi
 201
 202 # We always want to use the same name for this directory, so that dejagnu
 203 # can reliably find it.
 204 target_subdir=${target_alias}
 205
 206 if test ! -d ${target_subdir} ; then
 207   if mkdir ${target_subdir} ; then true
 208   else
 209     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 210     exit 1
 211   fi
 212 fi
 213
 214 build_prefix=build-
 215 build_subdir=${build_prefix}${build_alias}
 216
 217 if test x"${build_alias}" != x"${host}" ; then
 218   if test ! -d ${build_subdir} ; then
 219     if mkdir ${build_subdir} ; then true
 220     else
 221       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 222       exit 1
 223     fi
 224   fi
 225 fi
 226
 227 # Skipdirs are removed silently.
 228 skipdirs=
 229 # Noconfigdirs are removed loudly.
 230 noconfigdirs=""
 231
 232 use_gnu_ld=
 233 # Make sure we don't let GNU ld be added if we didn't want it.
 234 if test x$with_gnu_ld = xno ; then
 235   use_gnu_ld=no
 236   noconfigdirs="$noconfigdirs ld"
 237 fi
 238
 239 use_gnu_as=
 240 # Make sure we don't let GNU as be added if we didn't want it.
 241 if test x$with_gnu_as = xno ; then
 242   use_gnu_as=no
 243   noconfigdirs="$noconfigdirs gas"
 244 fi
 245
 246 # some tools are so dependent upon X11 that if we're not building with X,
 247 # it's not even worth trying to configure, much less build, that tool.
 248
 249 case ${with_x} in
 250   yes | "") ;; # the default value for this tree is that X11 is available
 251   no)
 252     skipdirs="${skipdirs} tk tix itcl libgui"
 253     # We won't be able to build gdbtk without X.
 254     enable_gdbtk=no
 255     ;;
 256   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 257 esac
 258
 259 # Some tools are only suitable for building in a "native" situation.
 260 # Remove these if host!=target.
 261 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"
 262
 263 # Similarly, some are only suitable for cross toolchains.
 264 # Remove these if host=target.
 265 cross_only="target-libgloss target-newlib target-opcodes"
 266
 267 case $is_cross_compiler in
 268   no) skipdirs="${skipdirs} ${cross_only}" ;;
 269   yes) skipdirs="${skipdirs} ${native_only}" ;;
 270 esac
 271
 272 # If both --with-headers and --with-libs are specified, default to
 273 # --without-newlib.
 274 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 275   if test x"${with_newlib}" = x ; then
 276     with_newlib=no
 277   fi
 278 fi
 279
 280 # Recognize --with-newlib/--without-newlib.
 281 case ${with_newlib} in
 282   no) skipdirs="${skipdirs} target-newlib" ;;
 283   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 284 esac
 285
 286 # Configure extra directories which are host specific
 287
 288 case "${host}" in
 289   *-cygwin*)
 290     configdirs="$configdirs libtermcap" ;;
 291 esac
 292
 293 # Remove more programs from consideration, based on the host or
 294 # target this usually means that a port of the program doesn't
 295 # exist yet.
 296
 297 case "${host}" in
 298   hppa*64*-*-*)
 299     noconfigdirs="$noconfigdirs byacc"
 300     ;;
 301   i[[3456]]86-*-vsta)
 302     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv gettext"
 303     ;;
 304   i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
 305     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix db snavigator gnuserv libffi"
 306         ;;
 307   i[[3456]]86-*-mingw32*)
 308     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv"
 309      noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 310         ;;
 311   i[[3456]]86-*-beos*)
 312      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 313      ;;
 314   *-*-cygwin*)
 315      noconfigdirs="autoconf automake send-pr rcs guile perl"
 316     ;;
 317   *-*-netbsd*)
 318     noconfigdirs="rcs"
 319     ;;
 320   ppc*-*-pe)
 321      noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix db snavigator gnuserv"
 322     ;;
 323   powerpc-*-beos*)
 324     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 325     ;;
 326   *-*-darwin*)
 327     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 328     ;;
 329 esac
 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 ${libgcj}"
 344   ;;
 345 esac
 346
 347 case "${target}" in
 348   *-*-chorusos)
 349     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 350     ;;
 351   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 352     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 353     ;;
 354   *-*-netbsd*)
 355     # Skip some stuff on all NetBSD configurations.
 356     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 357
 358     # Skip some stuff that's unsupported on some NetBSD configurations.
 359     case "${target}" in
 360       i*86-*-netbsdelf*) ;;
 361       *)
 362         noconfigdirs="$noconfigdirs ${libgcj}"
 363         ;;
 364     esac
 365     ;;
 366   *-*-netware)
 367     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
 368     ;;
 369   *-*-rtems*)
 370     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 371     case ${target} in
 372         h8300*-*-* | h8500-*-*)
 373           noconfigdirs="$noconfigdirs target-libf2c"
 374           ;;
 375         *) ;;
 376     esac
 377     ;;
 378   *-*-vxworks*)
 379     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 380     ;;
 381   alpha*-dec-osf*)
 382     # ld works, but does not support shared libraries.
 383     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 384     # gas doesn't generate exception information.
 385     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 386     ;;
 387   alpha*-*-*vms*)
 388     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 389     ;;
 390   alpha*-*-linux*)
 391     # newlib is not 64 bit ready
 392     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 393     ;;
 394   alpha*-*-freebsd*)
 395     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 396     ;;
 397   alpha*-*-*)
 398     # newlib is not 64 bit ready
 399     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 400     ;;
 401   sh-*-linux*)
 402     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 403     ;;
 404   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 405     noconfigdirs="$noconfigdirs ${libgcj}"
 406     noconfigdirs="$noconfigdirs target-examples"
 407     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 408     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 409     noconfigdirs="$noconfigdirs expect dejagnu"
 410     # the C++ libraries don't build on top of CE's C libraries
 411     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 412     noconfigdirs="$noconfigdirs target-newlib"
 413     case "${host}" in
 414       *-*-cygwin*) ;; # keep gdb and readline
 415       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 416          ;;
 417     esac
 418     ;;
 419   arc-*-*)
 420     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 421     ;;
 422   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 423     noconfigdirs="$noconfigdirs ${libgcj}"
 424     ;;
 425   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 426     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 427     ;;
 428   arm-*-pe*)
 429     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 430     ;;
 431   arm-*-oabi*)
 432     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 433     ;;
 434   thumb-*-coff)
 435     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 436     ;;
 437   thumb-*-elf)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   thumb-*-oabi)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-pe)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   arm-*-riscix*)
 447     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 448     ;;
 449   avr-*-*)
 450     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 451     ;;
 452   c4x-*-* | tic4x-*-*)
 453     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 454     ;;
 455   c54x*-*-* | tic54x-*-*)
 456     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 457     ;;
 458   cris-*-*)
 459     noconfigdirs="$noconfigdirs ${libgcj}"
 460     ;;
 461   d10v-*-*)
 462     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 463     ;;
 464   d30v-*-*)
 465     noconfigdirs="$noconfigdirs ${libgcj}"
 466     ;;
 467   fr30-*-elf*)
 468     noconfigdirs="$noconfigdirs ${libgcj}"
 469     ;;
 470   frv-*-*)
 471     noconfigdirs="$noconfigdirs ${libgcj}"
 472     ;;
 473   h8300*-*-*)
 474     noconfigdirs="$noconfigdirs target-libgloss"
 475     ;;
 476   h8500-*-*)
 477     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
 478     ;;
 479   hppa*64*-*-linux* | parisc*64*-*-linux*)
 480     # In this case, it's because the hppa64-linux target is for
 481     # the kernel only at this point and has no libc, and thus no
 482     # headers, crt*.o, etc., all of which are needed by these.
 483     noconfigdirs="$noconfigdirs target-zlib"
 484     ;;
 485   hppa*-*-*elf* | \
 486   parisc*-*-linux* | hppa*-*-linux* | \
 487   hppa*-*-lites* | \
 488   hppa*-*-openbsd* | \
 489   hppa*64*-*-*)
 490     noconfigdirs="$noconfigdirs ${libgcj}"
 491     # Do configure ld/binutils/gas for this case.
 492     ;;
 493   hppa*-*-*)
 494     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 495     # build on HP-UX 10.20.
 496     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 497     ;;
 498   ia64*-*-elf*)
 499     # No gdb support yet.
 500     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 501     ;;
 502   ia64*-**-hpux*)
 503     # No gdb or ld support yet.
 504     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 505     ;;
 506   i[[3456]]86-*-coff | i[[3456]]86-*-elf)
 507     noconfigdirs="$noconfigdirs ${libgcj}"
 508     ;;
 509   i[[34567]]86-*-freebsd*)
 510     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 511     ;;
 512   i[[3456]]86-*-linux*)
 513     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 514     # not build java stuff by default.
 515     case "${target}" in
 516       *-*-*libc1*)
 517         noconfigdirs="$noconfigdirs ${libgcj}";;
 518     esac
 519
 520     # This section makes it possible to build newlib natively on linux.
 521     # If we are using a cross compiler then don't configure newlib.
 522     if test x${is_cross_compiler} != xno ; then
 523          noconfigdirs="$noconfigdirs target-newlib"
 524     fi
 525     noconfigdirs="$noconfigdirs target-libgloss"
 526     # If we are not using a cross compiler, do configure newlib.
 527     # Note however, that newlib will only be configured in this situation
 528     # if the --with-newlib option has been given, because otherwise
 529     # 'target-newlib' will appear in skipdirs.
 530     ;;
 531   i[[3456]]86-*-mingw32*)
 532     target_configdirs="$target_configdirs target-mingw"
 533     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 534
 535     # Can't build gdb for mingw32 if not native.
 536     case "${host}" in
 537       i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 538       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 539          ;;
 540     esac
 541     ;;
 542   *-*-cygwin*)
 543     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 544     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 545     # always build newlib.
 546     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 547
 548     # Can't build gdb for Cygwin if not native.
 549     case "${host}" in
 550       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 551       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 552          ;;
 553     esac
 554     ;;
 555   i[[3456]]86-*-pe)
 556     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 557     ;;
 558   i[[3456]]86-*-sco3.2v5*)
 559     # The linker does not yet know about weak symbols in COFF,
 560     # and is not configured to handle mixed ELF and COFF.
 561     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 562     ;;
 563   i[[3456]]86-*-sco*)
 564     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 565     ;;
 566   i[[3456]]86-*-solaris2*)
 567     noconfigdirs="$noconfigdirs target-libgloss"
 568     ;;
 569   i[[3456]]86-*-sysv4*)
 570     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 571     ;;
 572   i[[3456]]86-*-beos*)
 573      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 574      ;;
 575   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 576     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 577     ;;
 578   m68k-*-elf*)
 579     noconfigdirs="$noconfigdirs ${libgcj}"
 580     ;;
 581   m68k-*-coff*)
 582     noconfigdirs="$noconfigdirs ${libgcj}"
 583     ;;
 584   mcore-*-pe*)
 585   # The EPOC C++ environment does not support exceptions or rtti,
 586   # and so building libstdc++-v3 tends not to always work.
 587     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 588     ;;
 589   mmix-*-*)
 590     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 591     ;;
 592   mn10200-*-*)
 593     noconfigdirs="$noconfigdirs ${libgcj}"
 594     ;;
 595   mn10300-*-*)
 596     noconfigdirs="$noconfigdirs ${libgcj}"
 597     ;;
 598   powerpc-*-aix*)
 599     # copied from rs6000-*-* entry
 600     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 601     ;;
 602   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 603     target_configdirs="$target_configdirs target-winsup"
 604     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
 605     # always build newlib.
 606     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 607     ;;
 608     # This is temporary until we can link against shared libraries
 609   powerpcle-*-solaris*)
 610     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
 611     ;;
 612   powerpc-*-beos*)
 613     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 614     ;;
 615   powerpc-*-darwin*)
 616     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof ${libgcj}"
 617     ;;
 618   powerpc-*-eabi)
 619     noconfigdirs="$noconfigdirs ${libgcj}"
 620     ;;
 621   powerpc64*-*-linux*)
 622     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 623     # not yet ported.
 624     noconfigdirs="$noconfigdirs target-libffi"
 625     ;;
 626   rs6000-*-lynxos*)
 627     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 628     ;;
 629   rs6000-*-aix*)
 630     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 631     ;;
 632   rs6000-*-*)
 633     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 634     ;;
 635   m68k-apollo-*)
 636     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 637     ;;
 638   mips*-*-irix5*)
 639     # The GNU linker does not support shared libraries.
 640     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 641     ;;
 642   mips*-*-irix6*)
 643     # The GNU assembler does not support IRIX 6.
 644     # Linking libjava exceeds command-line length limits on at least
 645     # IRIX 6.2, but not on IRIX 6.5.
 646     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 647     # <oldham@codesourcery.com>
 648     noconfigdirs="$noconfigdirs gas gprof target-libgloss ${libgcj}"
 649     ;;
 650   mips*-dec-bsd*)
 651     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 652     ;;
 653   mips*-*-bsd*)
 654     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 655     ;;
 656   mipstx39-*-*)
 657     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 658    ;;
 659   mips*-*-linux*)
 660     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 661     ;;
 662   mips*-*-*)
 663     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 664     ;;
 665   romp-*-*)
 666     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 667     ;;
 668   sh-*-*)
 669     case "${host}" in
 670       i[[3456]]86-*-vsta) ;; # don't add gprof back in
 671       i[[3456]]86-*-go32*) ;; # don't add gprof back in
 672       i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 673       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 674     esac
 675     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 676     ;;
 677   sh64-*-*)
 678     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 679     ;;
 680   sparc-*-elf*)
 681     noconfigdirs="$noconfigdirs ${libgcj}"
 682     ;;
 683   sparc64-*-elf*)
 684     noconfigdirs="$noconfigdirs ${libgcj}"
 685     ;;
 686   sparclite-*-*)
 687     noconfigdirs="$noconfigdirs ${libgcj}"
 688     ;;
 689   sparc-*-sunos4*)
 690     noconfigdirs="$noconfigdirs ${libgcj}"
 691     if test x${is_cross_compiler} != xno ; then
 692            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 693     else
 694            use_gnu_ld=no
 695     fi
 696     ;;
 697   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 698     ;;
 699   v810-*-*)
 700     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 701     ;;
 702   v850-*-*)
 703     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 704     ;;
 705   v850e-*-*)
 706     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 707     ;;
 708   v850ea-*-*)
 709     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 710     ;;
 711   vax-*-vms)
 712     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 713     ;;
 714   vax-*-*)
 715     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 716     ;;
 717   ip2k-*-*)
 718     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 719     ;;
 720   *-*-linux*)
 721     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 722     ;;
 723   *-*-lynxos*)
 724     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 725     ;;
 726   *-*-*)
 727     noconfigdirs="$noconfigdirs ${libgcj}"
 728     ;;
 729 esac
 730
 731 # If we aren't building newlib, then don't build libgloss, since libgloss
 732 # depends upon some newlib header files.
 733 case "${noconfigdirs}" in
 734   *target-libgloss*) ;;
 735   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 736 esac
 737
 738 # Figure out what language subdirectories are present.
 739 # Look if the user specified --enable-languages="..."; if not, use
 740 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 741 # go away some day.
 742 # NB:  embedded tabs in this IF block -- do not untabify
 743 if test x"${enable_languages+set}" != xset; then
 744         if test x"${LANGUAGES+set}" = xset; then
 745                 enable_languages="${LANGUAGES}"
 746                 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 747         else
 748                 enable_languages=all
 749         fi
 750 else
 751         if test x"${enable_languages}" = x ||
 752            test x"${enable_languages}" = xyes;
 753         then
 754                 echo configure.in: --enable-languages needs at least one language argument 1>&2
 755                 exit 1
 756         fi
 757 fi
 758 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 759
 760 # First scan to see if an enabled language requires some other language.
 761 # We assume that a given config-lang.in will list all the language
 762 # front ends it requires, even if some are required indirectly.
 763 for lang in ${srcdir}/gcc/*/config-lang.in ..
 764 do
 765    case $lang in
 766     ..)
 767        ;;
 768     # The odd quoting in the next line works around
 769     # an apparent bug in bash 1.12 on linux.
 770     ${srcdir}/gcc/[[*]]/config-lang.in)
 771        ;;
 772     *)
 773        lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^         ]]*\).*$,\1,p' $lang`
 774        this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^       ]]*\).*$,\1,p' $lang`
 775        for other in $this_lang_requires
 776        do
 777           case ,${enable_languages}, in
 778            *,$other,*)
 779               ;;
 780            *,all,*)
 781               ;;
 782            *,$lang_alias,*)
 783               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
 784               enable_languages="$enable_languages,$other"
 785               ;;
 786           esac
 787        done
 788        ;;
 789    esac
 790 done
 791
 792 subdirs=
 793 for lang in ${srcdir}/gcc/*/config-lang.in ..
 794 do
 795         case $lang in
 796         ..) ;;
 797         # The odd quoting in the next line works around
 798         # an apparent bug in bash 1.12 on linux.
 799         ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 800         *)
 801           lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^      ]]*\).*$,\1,p' $lang`
 802           this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^    ]]*\).*$,\1,p' $lang`
 803           this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^        ]]*\).*$,\1,p' $lang`
 804           build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^        ]]*\).*$,\1,p' $lang`
 805           if test "x$lang_alias" = x
 806           then
 807                 echo "$lang doesn't set \$language." 1>&2
 808                 exit 1
 809           fi
 810           case ${build_by_default},${enable_languages}, in
 811           *,$lang_alias,*) add_this_lang=yes ;;
 812           no,*) add_this_lang=no ;;
 813           *,all,*) add_this_lang=yes ;;
 814           *) add_this_lang=no ;;
 815           esac
 816           if test x"${add_this_lang}" = xyes; then
 817               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 818           else
 819               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
 820           fi
 821           ;;
 822         esac
 823 done
 824
 825 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 826 # $target_configdirs.
 827 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 828
 829 notsupp=""
 830 for dir in . $skipdirs $noconfigdirs ; do
 831   dirname=`echo $dir | sed -e s/target-//g`
 832   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 833     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 834     if test -r $srcdir/$dirname/configure ; then
 835       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 836         true
 837       else
 838         notsupp="$notsupp $dir"
 839       fi
 840     fi
 841   fi
 842   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 843     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 844     if test -r $srcdir/$dirname/configure ; then
 845       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 846         true
 847       else
 848         notsupp="$notsupp $dir"
 849       fi
 850     fi
 851   fi
 852 done
 853
 854 # Sometimes the tools are distributed with libiberty but with no other
 855 # libraries.  In that case, we don't want to build target-libiberty.
 856 if test -n "${target_configdirs}" ; then
 857   others=
 858   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 859     if test "$i" != "libiberty" ; then
 860       if test -r $srcdir/$i/configure ; then
 861         others=yes;
 862         break;
 863       fi
 864     fi
 865   done
 866   if test -z "${others}" ; then
 867     target_configdirs=
 868   fi
 869 fi
 870
 871 # Deconfigure all subdirectories, in case we are changing the
 872 # configuration from one where a subdirectory is supported to one where it
 873 # is not.
 874 if test -z "${norecursion}" && test -n "${configdirs}" ; then
 875   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
 876     rm -f $i/Makefile
 877   done
 878 fi
 879 if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
 880   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 881     rm -f ${target_subdir}/$i/Makefile
 882   done
 883 fi
 884
 885 # Quietly strip out all directories which aren't configurable in this tree.
 886 # This relies on all configurable subdirectories being autoconfiscated, which
 887 # is now the case.
 888 configdirs_all="$configdirs"
 889 configdirs=
 890 for i in ${configdirs_all} ; do
 891   if test -f ${srcdir}/$i/configure ; then
 892     configdirs="${configdirs} $i"
 893   fi
 894 done
 895 target_configdirs_all="$target_configdirs"
 896 target_configdirs=
 897 for i in ${target_configdirs_all} ; do
 898   j=`echo $i | sed -e s/target-//g`
 899   if test -f ${srcdir}/$j/configure ; then
 900     target_configdirs="${target_configdirs} $i"
 901   fi
 902 done
 903
 904 # Produce a warning message for the subdirs we can't configure.
 905 # This isn't especially interesting in the Cygnus tree, but in the individual
 906 # FSF releases, it's important to let people know when their machine isn't
 907 # supported by the one or two programs in a package.
 908
 909 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 910   # If $appdirs is non-empty, at least one of those directories must still
 911   # be configured, or we error out.  (E.g., if the gas release supports a
 912   # specified target in some subdirs but not the gas subdir, we shouldn't
 913   # pretend that all is well.)
 914   if test -n "$appdirs" ; then
 915     for dir in $appdirs ; do
 916       if test -r $dir/Makefile.in ; then
 917         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 918           appdirs=""
 919           break
 920         fi
 921         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 922           appdirs=""
 923           break
 924         fi
 925       fi
 926     done
 927     if test -n "$appdirs" ; then
 928       echo "*** This configuration is not supported by this package." 1>&2
 929       exit 1
 930     fi
 931   fi
 932   # Okay, some application will build, or we don't care to check.  Still
 933   # notify of subdirs not getting built.
 934   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 935   echo "    ${notsupp}" 1>&2
 936   echo "    (Any other directories should still work fine.)" 1>&2
 937 fi
 938
 939 case "$host" in
 940   *msdosdjgpp*)
 941     enable_gdbtk=no ;;
 942 esac
 943
 944 copy_dirs=
 945
 946 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 947 # the named directory are copied to $(tooldir)/sys-include.
 948 if test x"${with_headers}" != x ; then
 949   if test x${is_cross_compiler} = xno ; then
 950     echo 1>&2 '***' --with-headers is only supported when cross compiling
 951     exit 1
 952   fi
 953   if test x"${with_headers}" != xyes ; then
 954     case "${exec_prefixoption}" in
 955     "") x=${prefix} ;;
 956     *) x=${exec_prefix} ;;
 957     esac
 958     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 959   fi
 960 fi
 961
 962 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 963 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 964 # are permitted.
 965 if test x"${with_libs}" != x ; then
 966   if test x${is_cross_compiler} = xno ; then
 967     echo 1>&2 '***' --with-libs is only supported when cross compiling
 968     exit 1
 969   fi
 970   if test x"${with_libs}" != xyes ; then
 971     # Copy the libraries in reverse order, so that files in the first named
 972     # library override files in subsequent libraries.
 973     case "${exec_prefixoption}" in
 974     "") x=${prefix} ;;
 975     *) x=${exec_prefix} ;;
 976     esac
 977     for l in ${with_libs}; do
 978       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 979     done
 980   fi
 981 fi
 982
 983 # Handle ${copy_dirs}
 984 set fnord ${copy_dirs}
 985 shift
 986 while test $# != 0 ; do
 987   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 988     :
 989   else
 990     echo Copying $1 to $2
 991
 992     # Use the install script to create the directory and all required
 993     # parent directories.
 994     if test -d $2 ; then
 995       :
 996     else
 997       echo >config.temp
 998       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 999     fi
1000
1001     # Copy the directory, assuming we have tar.
1002     # FIXME: Should we use B in the second tar?  Not all systems support it.
1003     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1004
1005     # It is the responsibility of the user to correctly adjust all
1006     # symlinks.  If somebody can figure out how to handle them correctly
1007     # here, feel free to add the code.
1008
1009     echo $1 > $2/COPIED
1010   fi
1011   shift; shift
1012 done
1013
1014 # Work in distributions that contain no compiler tools, like Autoconf.
1015 tentative_cc=""
1016 host_makefile_frag=/dev/null
1017 if test -d ${srcdir}/config ; then
1018 case "${host}" in
1019   m68k-hp-hpux*)
1020     # Avoid "too much defining" errors from HPUX compiler.
1021     tentative_cc="cc -Wp,-H256000"
1022     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1023     # If it's HP/UX ar, this should be harmless.
1024     RANLIB="ar ts"
1025     ;;
1026   m68k-apollo-sysv*)
1027     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1028     ;;
1029   m68k-apollo-bsd*)
1030     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1031     # chokes on bfd, the compiler won't let you assign integers to enums, and
1032     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1033     # the apollo compiler" (the preferred version of GCC could be called cc,
1034     # or whatever), but I'm not sure leaving CC as cc is any better...
1035     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1036     # Used to have BISON=yacc.
1037     tentative_cc=gcc
1038     ;;
1039   m88k-dg-dgux*)
1040     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1041     host_makefile_frag="config/mh-dgux"
1042     ;;
1043   m88k-harris-cxux*)
1044     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1045     tentative_cc="cc -Xa"
1046     host_makefile_frag="config/mh-cxux"
1047     ;;
1048   m88k-motorola-sysv*)
1049     ;;
1050   mips*-dec-ultrix*)
1051     tentative_cc="cc -Wf,-XNg1000"
1052     host_makefile_frag="config/mh-decstation"
1053     ;;
1054   mips*-nec-sysv4*)
1055     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1056     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1057     host_makefile_frag="config/mh-necv4"
1058     ;;
1059   mips*-sgi-irix4*)
1060     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1061     # environment.  Also bump switch table size so that cp-parse will
1062     # compile.  Bump string length limit so linker builds.
1063     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1064     ;;
1065   mips*-*-sysv4*)
1066     host_makefile_frag="config/mh-sysv4"
1067     ;;
1068   mips*-*-sysv*)
1069     # This is for a MIPS running RISC/os 4.52C.
1070
1071     # This is needed for GDB, but needs to be in the top-level make because
1072     # if a library is compiled with the bsd headers and gets linked with the
1073     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1074     # a different size).
1075     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1076     # known except to select the sysv environment.  Could we use /proc instead?
1077     # These "sysv environments" and "bsd environments" often end up being a pain.
1078     #
1079     # This is not part of CFLAGS because perhaps not all C compilers have this
1080     # option.
1081     tentative_cc="cc -systype sysv"
1082     ;;
1083   i370-ibm-opened*)
1084     tentative_cc="c89"
1085     ;;
1086   i[[3456]]86-*-sysv5*)
1087     host_makefile_frag="config/mh-sysv5"
1088     ;;
1089   i[[3456]]86-*-dgux*)
1090     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1091     host_makefile_frag="config/mh-dgux386"
1092     ;;
1093   i[[3456]]86-ncr-sysv4.3*)
1094     # The MetaWare compiler will generate a copyright message unless you
1095     # turn it off by adding the -Hnocopyr flag.
1096     tentative_cc="cc -Hnocopyr"
1097     ;;
1098   i[[3456]]86-ncr-sysv4*)
1099     # for an NCR 3000 (i486/SVR4) system.
1100     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1101     # This compiler not only emits obnoxious copyright messages every time
1102     # you run it, but it chokes and dies on a whole bunch of GNU source
1103     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1104     tentative_cc="/usr/ccs/ATT/cc"
1105     host_makefile_frag="config/mh-ncr3000"
1106     ;;
1107   i[[3456]]86-*-sco3.2v5*)
1108     ;;
1109   i[[3456]]86-*-sco*)
1110     # The native C compiler botches some simple uses of const.  Unfortunately,
1111     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1112     tentative_cc="cc -Dconst="
1113     host_makefile_frag="config/mh-sco"
1114     ;;
1115   i[[3456]]86-*-udk*)
1116     host_makefile_frag="config/mh-sysv5"
1117     ;;
1118   i[[3456]]86-*-solaris2*)
1119     host_makefile_frag="config/mh-sysv4"
1120     ;;
1121   i[[3456]]86-*-msdosdjgpp*)
1122     host_makefile_frag="config/mh-djgpp"
1123     ;;
1124   *-cygwin*)
1125     host_makefile_frag="config/mh-cygwin"
1126     ;;
1127   *-mingw32*)
1128     host_makefile_frag="config/mh-mingw32"
1129     ;;
1130   *-interix*)
1131     host_makefile_frag="config/mh-interix"
1132     ;;
1133   vax-*-ultrix2*)
1134     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1135     tentative_cc=gcc
1136     ;;
1137   *-*-solaris2*)
1138     host_makefile_frag="config/mh-solaris"
1139     ;;
1140   m68k-sun-sunos*)
1141     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1142     # without overflowing the jump tables (-J says to use a 32 bit table)
1143     tentative_cc="cc -J"
1144     ;;
1145   *-hp-hpux*)
1146     tentative_cc="cc -Wp,-H256000"
1147     ;;
1148   *-*-hiux*)
1149     tentative_cc="cc -Wp,-H256000"
1150     ;;
1151   rs6000-*-lynxos*)
1152     # /bin/cc is less than useful for our purposes.  Always use GCC
1153     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1154     host_makefile_frag="config/mh-lynxrs6k"
1155     ;;
1156   *-*-lynxos*)
1157     # /bin/cc is less than useful for our purposes.  Always use GCC
1158     tentative_cc="/bin/gcc"
1159     ;;
1160   *-*-sysv4*)
1161     host_makefile_frag="config/mh-sysv4"
1162     ;;
1163 esac
1164 fi
1165
1166 extra_arflags_for_target=
1167 extra_nmflags_for_target=
1168 extra_ranlibflags_for_target=
1169 target_makefile_frag=/dev/null
1170 case "${target}" in
1171   i[[3456]]86-*-netware*)
1172     target_makefile_frag="config/mt-netware"
1173     ;;
1174   powerpc-*-netware*)
1175     target_makefile_frag="config/mt-netware"
1176     ;;
1177   *-*-linux*)
1178     target_makefile_frag="config/mt-linux"
1179     ;;
1180   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1181     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1182     # commands to handle both 32-bit and 64-bit objects.  These flags are
1183     # harmless if we're using GNU nm or ar.
1184     extra_arflags_for_target=" -X32_64"
1185     extra_nmflags_for_target=" -B -X32_64"
1186     ;;
1187   *-*-darwin*)
1188     # ranlib from Darwin requires the -c flag to look at common symbols.
1189     extra_ranlibflags_for_target=" -c"
1190     ;;
1191   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1192     target_makefile_frag="config/mt-wince"
1193     ;;
1194 esac
1195
1196 alphaieee_frag=/dev/null
1197 case $target in
1198   alpha*-*-*)
1199     # This just makes sure to use the -mieee option to build target libs.
1200     # This should probably be set individually by each library.
1201     alphaieee_frag="config/mt-alphaieee"
1202     ;;
1203 esac
1204
1205 # If --enable-target-optspace always use -Os instead of -O2 to build
1206 # the target libraries, similarly if it is not specified, use -Os
1207 # on selected platforms.
1208 ospace_frag=/dev/null
1209 case "${enable_target_optspace}:${target}" in
1210   yes:*)
1211     ospace_frag="config/mt-ospace"
1212     ;;
1213   :d30v-*)
1214     ospace_frag="config/mt-d30v"
1215     ;;
1216   :m32r-* | :d10v-* | :fr30-*)
1217     ospace_frag="config/mt-ospace"
1218     ;;
1219   no:* | :*)
1220     ;;
1221   *)
1222     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1223     ;;
1224 esac
1225
1226 # Set with_gnu_as and with_gnu_ld as appropriate.
1227 #
1228 # This is done by determining whether or not the appropriate directory
1229 # is available, and by checking whether or not specific configurations
1230 # have requested that this magic not happen.
1231 #
1232 # The command line options always override the explicit settings in
1233 # configure.in, and the settings in configure.in override this magic.
1234 #
1235 # If the default for a toolchain is to use GNU as and ld, and you don't
1236 # want to do that, then you should use the --without-gnu-as and
1237 # --without-gnu-ld options for the configure script.
1238
1239 if test x${use_gnu_as} = x &&
1240    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1241   with_gnu_as=yes
1242   extra_host_args="$extra_host_args --with-gnu-as"
1243 fi
1244
1245 if test x${use_gnu_ld} = x &&
1246    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1247   with_gnu_ld=yes
1248   extra_host_args="$extra_host_args --with-gnu-ld"
1249 fi
1250
1251 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1252 # can detect this case.
1253
1254 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1255   with_newlib=yes
1256   extra_host_args="$extra_host_args --with-newlib"
1257 fi
1258
1259 # We default to --with-shared on platforms where -fpic is meaningless.
1260 # Well, we don't yet, but we will.
1261 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1262   case "${target}" in
1263     alpha*-dec-osf*)    enable_shared=yes ;;
1264     alpha*-*-linux*)    enable_shared=yes ;;
1265     mips-sgi-irix5*)    enable_shared=yes ;;
1266     *)                  enable_shared=no ;;
1267   esac
1268 fi
1269
1270 case "${enable_shared}" in
1271   yes) shared=yes ;;
1272   no) shared=no ;;
1273   "") shared=no ;;
1274   *) shared=yes ;;
1275 esac
1276
1277
1278 # Default to using --with-stabs for certain targets.
1279 if test x${with_stabs} = x ; then
1280   case "${target}" in
1281   mips*-*-irix6*o32)
1282     with_stabs=yes;
1283     extra_host_args="${extra_host_args} --with-stabs"
1284     ;;
1285   mips*-*-irix6*)
1286     ;;
1287   mips*-*-* | alpha*-*-osf*)
1288     with_stabs=yes;
1289     extra_host_args="${extra_host_args} --with-stabs"
1290     ;;
1291   esac
1292 fi
1293
1294 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1295 # them automatically.
1296 case "${host}" in
1297   hppa*64*-*-hpux11*)
1298     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1299     ;;
1300 esac
1301
1302 # If we aren't going to be using gcc, see if we can extract a definition
1303 # of CC from the fragment.
1304 # Actually, use the 'pre-extracted' version above.
1305 if test -z "${CC}" && test "${build}" = "${host}" ; then
1306   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1307   found=
1308   for dir in $PATH; do
1309     test -z "$dir" && dir=.
1310     if test -f $dir/gcc; then
1311       found=yes
1312       break
1313     fi
1314   done
1315   IFS="$save_ifs"
1316   if test -z "${found}" && test -n "${tentative_cc}" ; then
1317     CC=$tentative_cc
1318   fi
1319 fi
1320
1321 # Some systems (e.g., one of the i386-aix systems the gas testers are
1322 # using) don't handle "\$" correctly, so don't use it here.
1323 tooldir='$(exec_prefix)'/${target_alias}
1324 build_tooldir=${tooldir}
1325
1326 # Generate a default definition for YACC.  This is used if the makefile can't
1327 # locate bison or byacc in objdir.
1328
1329 for prog in 'bison -y' byacc yacc
1330 do
1331   set dummy $prog; tmp=$2
1332   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1333   for dir in $PATH; do
1334     test -z "$dir" && dir=.
1335     if test -f $dir/$tmp; then
1336       DEFAULT_YACC="$prog"
1337       break
1338     fi
1339   done
1340   IFS="$save_ifs"
1341
1342   test -n "$DEFAULT_YACC" && break
1343 done
1344
1345 # Generate a default definition for M4.  This is used if the makefile can't
1346 # locate m4 in objdir.
1347
1348 for prog in gm4 gnum4 m4
1349 do
1350   set dummy $prog; tmp=$2
1351   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1352   for dir in $PATH; do
1353     test -z "$dir" && dir=.
1354     if test -f $dir/$tmp; then
1355       DEFAULT_M4="$prog"
1356       break
1357     fi
1358   done
1359   IFS="$save_ifs"
1360
1361   test -n "$DEFAULT_M4" && break
1362 done
1363
1364 # Generate a default definition for LEX.  This is used if the makefile can't
1365 # locate flex in objdir.
1366
1367 for prog in flex lex
1368 do
1369   set dummy $prog; tmp=$2
1370   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1371   for dir in $PATH; do
1372     test -z "$dir" && dir=.
1373     if test -f $dir/$tmp; then
1374       DEFAULT_LEX="$prog"
1375       break
1376     fi
1377   done
1378   IFS="$save_ifs"
1379
1380   test -n "$DEFAULT_LEX" && break
1381 done
1382
1383 if test "${build}" != "${host}" ; then
1384   # If we are doing a Canadian Cross, in which the host and build systems
1385   # are not the same, we set reasonable default values for the tools.
1386
1387   BISON=${BISON-bison}
1388   CC=${CC-${host_alias}-gcc}
1389   CFLAGS=${CFLAGS-"-g -O2"}
1390   CXX=${CXX-${host_alias}-c++}
1391   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1392   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1393   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1394   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1395   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1396   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1397   BUILD_PREFIX=${build_alias}-
1398   BUILD_PREFIX_1=${build_alias}-
1399   MAKEINFO=${MAKEINFO-makeinfo}
1400
1401   if test -z "${YACC}" ; then
1402     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1403     for dir in $PATH; do
1404       test -z "$dir" && dir=.
1405       if test -f $dir/bison; then
1406         YACC="bison -y"
1407         break
1408       fi
1409       if test -f $dir/byacc; then
1410         YACC=byacc
1411         break
1412       fi
1413       if test -f $dir/yacc; then
1414         YACC=yacc
1415         break
1416       fi
1417     done
1418     IFS="$save_ifs"
1419     if test -z "${YACC}" ; then
1420       YACC="bison -y"
1421     fi
1422   fi
1423
1424   if test -z "${LEX}" ; then
1425     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1426     for dir in $PATH; do
1427       test -z "$dir" && dir=.
1428       if test -f $dir/flex; then
1429         LEX=flex
1430         break
1431       fi
1432       if test -f $dir/lex; then
1433         LEX=lex
1434         break
1435       fi
1436     done
1437     IFS="$save_ifs"
1438     LEX=${LEX-flex}
1439   fi
1440
1441 else
1442   # Set reasonable default values for some tools even if not Canadian.
1443   # Of course, these are different reasonable default values, originally
1444   # specified directly in the Makefile.
1445   # We don't export, so that autoconf can do its job.
1446   # Note that all these settings are above the fragment inclusion point
1447   # in Makefile.in, so can still be overridden by fragments.
1448   # This is all going to change when we autoconfiscate...
1449
1450   BISON="\$(USUAL_BISON)"
1451   CC_FOR_BUILD="\$(CC)"
1452   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1453   BUILD_PREFIX=
1454   BUILD_PREFIX_1=loser-
1455   MAKEINFO="\$(USUAL_MAKEINFO)"
1456   LEX="\$(USUAL_LEX)"
1457   YACC="\$(USUAL_YACC)"
1458
1459   # If CC is still not set, try to get gcc.
1460   cc_prog_is_gcc=
1461   if test -z "${CC}" ; then
1462     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1463     for dir in $PATH; do
1464       test -z "$dir" && dir=.
1465       if test -f $dir/gcc; then
1466         CC="gcc"
1467         cc_prog_is_gcc=yes
1468         echo 'void f(){}' > conftest.c
1469         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1470           CFLAGS=${CFLAGS-"-g -O2"}
1471           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1472         else
1473           CFLAGS=${CFLAGS-"-O2"}
1474           CXXFLAGS=${CXXFLAGS-"-O2"}
1475         fi
1476         rm -f conftest*
1477         break
1478       fi
1479     done
1480     IFS="$save_ifs"
1481     CC=${CC-cc}
1482   else
1483     # Determine if we are using gcc.
1484     cat > conftest.c <<EOF
1485 #ifdef __GNUC__
1486   yes;
1487 #endif
1488 EOF
1489     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1490       cc_prog_is_gcc=yes
1491     fi
1492     rm -f conftest.c
1493     if test -z "${CFLAGS}"; then
1494       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1495       # is set to a version of gcc.
1496       if test "$cc_prog_is_gcc" = yes; then
1497         echo 'void f(){}' > conftest.c
1498         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1499           CFLAGS=${CFLAGS-"-g -O2"}
1500           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1501         else
1502           CFLAGS=${CFLAGS-"-O2"}
1503           CXXFLAGS=${CXXFLAGS-"-O2"}
1504         fi
1505         rm -f conftest*
1506       fi
1507     fi
1508   fi
1509
1510   # We must set the default linker to the linker used by gcc for the correct
1511   # operation of libtool.  If LD is not defined and we are using gcc, try to
1512   # set the LD default to the ld used by gcc.
1513   if test -z "$LD"; then
1514     if test "$cc_prog_is_gcc" = yes; then
1515       case $build in
1516       *-*-mingw*)
1517         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1518       *)
1519         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1520       esac
1521       case $gcc_prog_ld in
1522       # Accept absolute paths.
1523       [[\\/]* | [A-Za-z]:[\\/]*)]
1524         LD="$gcc_prog_ld" ;;
1525       esac
1526     fi
1527   fi
1528
1529   CXX=${CXX-"c++"}
1530   CFLAGS=${CFLAGS-"-g"}
1531   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1532 fi
1533
1534 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1535 # Set up the list of links to be made.
1536 # ${links} is the list of link names, and ${files} is the list of names to link to.
1537
1538 # Make the links.
1539 configlinks="${links}"
1540 if test -r ./config.status  ; then
1541   mv -f ./config.status ./config.back
1542 fi
1543 while test -n "${files}" ; do
1544   # set file to car of files, files to cdr of files
1545   set ${files}; file=$1; shift; files=$*
1546   set ${links}; link=$1; shift; links=$*
1547
1548   if test ! -r ${srcdir}/${file} ; then
1549     if test ! -r ${file} ; then
1550       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1551       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1552       exit 1
1553     else
1554       srcfile=${file}
1555     fi
1556   else
1557     srcfile=${srcdir}/${file}
1558   fi
1559
1560   ${remove} -f ${link}
1561   # Make a symlink if possible, otherwise try a hard link
1562   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1563     true
1564   else
1565     # We need to re-remove the file because Lynx leaves a
1566     # very strange directory there when it fails an NFS symlink.
1567     ${remove} -r -f ${link}
1568     ${hard_link} ${srcfile} ${link}
1569   fi
1570   if test ! -r ${link} ; then
1571     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1572     exit 1
1573   fi
1574
1575   echo "Linked \"${link}\" to \"${srcfile}\"."
1576 done
1577
1578 # Create a .gdbinit file which runs the one in srcdir
1579 # and tells GDB to look there for source files.
1580
1581 if test -r ${srcdir}/.gdbinit ; then
1582   case ${srcdir} in
1583     .) ;;
1584     *) cat > ./.gdbinit <<EOF
1585 # ${NO_EDIT}
1586 dir ${srcdir}
1587 dir .
1588 source ${srcdir}/.gdbinit
1589 EOF
1590     ;;
1591   esac
1592 fi
1593
1594 # record if we want runtime library stuff installed in libsubdir.
1595 # Blank means no.
1596 if test -z "${enable_version_specific_runtime_libs}"; then
1597   enable_version_specific_runtime_libs=no
1598 fi
1599
1600 # Make sure that the compiler is able to generate an executable.  If it
1601 # can't, we are probably in trouble.  We don't care whether we can run the
1602 # executable--we might be using a cross compiler--we only care whether it
1603 # can be created.  At this point the main configure script has set CC.
1604 we_are_ok=no
1605 echo "int main () { return 0; }" > conftest.c
1606 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1607 if test $? = 0 ; then
1608   if test -s conftest || test -s conftest.exe ; then
1609     we_are_ok=yes
1610   fi
1611 fi
1612 case $we_are_ok in
1613   no)
1614     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1615     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1616     rm -f conftest*
1617     exit 1
1618     ;;
1619 esac
1620 rm -f conftest*
1621
1622 # The Solaris /usr/ucb/cc compiler does not appear to work.
1623 case "${host}" in
1624   sparc-sun-solaris2*)
1625       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1626       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1627           could_use=
1628           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1629           if test -d /opt/cygnus/bin ; then
1630               if test "$could_use" = "" ; then
1631                   could_use="/opt/cygnus/bin"
1632               else
1633                   could_use="$could_use or /opt/cygnus/bin"
1634               fi
1635           fi
1636         if test "$could_use" = "" ; then
1637             echo "Warning: compilation may fail because you're using"
1638             echo "/usr/ucb/cc.  You should change your PATH or CC "
1639             echo "variable and rerun configure."
1640         else
1641             echo "Warning: compilation may fail because you're using"
1642             echo "/usr/ucb/cc, when you should use the C compiler from"
1643             echo "$could_use.  You should change your"
1644             echo "PATH or CC variable and rerun configure."
1645         fi
1646       fi
1647   ;;
1648 esac
1649
1650 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1651 # binutils tools will find libbfd.so.
1652 if test "${shared}" = "yes" ; then
1653   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1654 else
1655   SET_LIB_PATH=
1656 fi
1657
1658
1659 case "${host}" in
1660   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1661   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1662 esac
1663
1664 # Record target_configdirs and the configure arguments for target and
1665 # build configuration in Makefile.
1666 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1667
1668 # This is the final value for target_configdirs.  configdirs already
1669 # has its final value.  It's time to create some lists of valid targets.
1670
1671 all_build_modules=
1672 configure_build_modules=
1673 # Only make build modules if build != host.
1674 # This should be done more generally, but at the moment it doesn't matter.
1675 if test ${host_alias} != ${build_alias} ; then
1676   all_build_modules=all-build-libiberty
1677   configure_build_modules=configure-build-libiberty
1678 fi
1679
1680 all_host_modules=
1681 check_host_modules=
1682 install_host_modules=
1683 configure_host_modules=
1684 for module in ${configdirs} ; do
1685   all_host_modules="${all_host_modules} all-${module}"
1686   check_host_modules="${check_host_modules} check-${module}"
1687   install_host_modules="${install_host_modules} install-${module}"
1688   configure_host_modules="${configure_host_modules} configure-${module}"
1689 done
1690 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1691
1692 all_target_modules=
1693 check_target_modules=
1694 install_target_modules=
1695 configure_target_modules=
1696 for module in ${target_configdirs} ; do
1697   all_target_modules="${all_target_modules} all-target-${module}"
1698   check_target_modules="${check_target_modules} check-target-${module}"
1699   install_target_modules="${install_target_modules} install-target-${module}"
1700   configure_target_modules="${configure_target_modules} configure-target-${module}"
1701 done
1702
1703 # Determine whether gdb needs tk/tcl or not.
1704 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1705 # and in that case we want gdb to be built without tk.  Ugh!
1706 # In fact I believe gdb is the *only* package directly dependent on tk,
1707 # so we should be able to put the 'maybe's in unconditionally and
1708 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1709 # 100% sure that that's safe though.
1710
1711 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1712 case "$enable_gdbtk" in
1713   no)
1714     GDB_TK="" ;;
1715   yes)
1716     GDB_TK="${gdb_tk}" ;;
1717   *)
1718     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1719     # distro.  Eventually someone will fix this and move Insight, nee
1720     # gdbtk to a separate directory.
1721     if test -d ${srcdir}/gdb/gdbtk ; then
1722       GDB_TK="${gdb_tk}"
1723     else
1724       GDB_TK=""
1725     fi
1726     ;;
1727 esac
1728
1729 # Create the 'maybe dependencies'.  This uses a temporary file.
1730 rm -f maybedep.tmp
1731 echo '# maybedep.tmp' > maybedep.tmp
1732 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1733         ${install_host_modules} ${install_target_modules} \
1734         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1735         ; do
1736   echo "maybe-${item}: ${item}" >> maybedep.tmp
1737 done
1738 maybe_dependencies=maybedep.tmp
1739 AC_SUBST_FILE(maybe_dependencies)
1740
1741 # Create the serialization dependencies.  This uses a temporary file.
1742
1743 AC_ARG_ENABLE([serial-configure],
1744 [  --disable-serial-[{host,target,build}-]configure
1745                           Don't force sequential configuration of
1746                           sub-packages for the host, target or build
1747                           machine, or of any sub-packages at all])
1748
1749 # These force 'configure's to be done one at a time, to avoid problems
1750 # with contention over a shared config.cache.
1751 rm -f serdep.tmp
1752 echo '# serdep.tmp' > serdep.tmp
1753 olditem=
1754 test "x${enable_serial_configure}" = xno ||
1755 test "x${enable_serial_build_configure}" = xno ||
1756 for item in ${build_configdirs} ; do
1757   case ${olditem} in
1758     "") ;;
1759     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1760   esac
1761   olditem=${item}
1762 done
1763 olditem=
1764 test "x${enable_serial_configure}" = xno ||
1765 test "x${enable_serial_host_configure}" = xno ||
1766 for item in ${configdirs} ; do
1767   case ${olditem} in
1768     "") ;;
1769     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1770   esac
1771   olditem=${item}
1772 done
1773 olditem=
1774 test "x${enable_serial_configure}" = xno ||
1775 test "x${enable_serial_target_configure}" = xno ||
1776 for item in ${target_configdirs} ; do
1777   case ${olditem} in
1778     "") ;;
1779     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1780   esac
1781   olditem=${item}
1782 done
1783 serialization_dependencies=serdep.tmp
1784 AC_SUBST_FILE(serialization_dependencies)
1785
1786 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1787 # target and nonopt.  These are the ones we might not want to pass
1788 # down to subconfigures.
1789 baseargs=`echo " ${ac_configure_args} " | \
1790         sed -e 's/ --no[[^ ]]* / /' \
1791             -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
1792             -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
1793             -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
1794             -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
1795             -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
1796             -e 's/ [[^ -][^ ]*] / /' \
1797             -e 's/^ *//;s/ *$//'`
1798
1799 # For the build-side libraries, we just need to pretend we're native,
1800 # and not use the same cache file.  Multilibs are neither needed nor
1801 # desired.
1802 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1803
1804 # For host modules, accept cache file option, or specification as blank.
1805 case "${cache_file}" in
1806 "") # empty
1807   cache_file_option="" ;;
1808 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1809   cache_file_option="--cache-file=${cache_file}" ;;
1810 *) # relative path
1811   cache_file_option="--cache-file=../${cache_file}" ;;
1812 esac
1813
1814 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1815
1816 target_configargs=${baseargs}
1817
1818 # Passing a --with-cross-host argument lets the target libraries know
1819 # whether they are being built with a cross-compiler or being built
1820 # native.  However, it would be better to use other mechanisms to make the
1821 # sorts of decisions they want to make on this basis.  Please consider
1822 # this option to be deprecated.  FIXME.
1823 if test x${is_cross_compiler} = xyes ; then
1824   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1825 fi
1826
1827 # Default to --enable-multilib.
1828 if test x${enable_multilib} = x ; then
1829   target_configargs="--enable-multilib ${target_configargs}"
1830 fi
1831
1832 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1833 # changed from the earlier setting of with_newlib.
1834 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1835   target_configargs="--with-newlib ${target_configargs}"
1836 fi
1837
1838 # Pass the appropriate --host, --build, and --cache-file arguments.
1839 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1840
1841 # provide a proper gxx_include_dir.
1842 # Note, if you change the default, make sure to fix both here and in
1843 # the gcc and libstdc++-v3 subdirectories.
1844 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1845 gxx_include_dir=
1846 if test -n "${with_gxx_include_dir}"; then
1847   case "${with_gxx_include_dir}" in
1848     yes )
1849       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1850       exit 1
1851       ;;
1852     no )
1853       ;;
1854     * )
1855       gxx_include_dir=${with_gxx_include_dir}
1856       ;;
1857   esac
1858 fi
1859 if test x${gxx_include_dir} = x; then
1860   if test x${enable_version_specific_runtime_libs} = xyes; then
1861     gxx_include_dir='${libsubdir}/include/c++'
1862   else
1863     . ${srcdir}/config.if
1864     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1865   fi
1866 else
1867   gxx_include_dir=${gxx_include_dir}
1868 fi
1869
1870 FLAGS_FOR_TARGET=
1871 case " $target_configdirs " in
1872  *" newlib "*)
1873   case " $target_configargs " in
1874   *" --with-newlib "*)
1875    case "$target" in
1876    *-cygwin*)
1877      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' ;;
1878    esac
1879
1880    # If we're not building GCC, don't discard standard headers.
1881    if test -d ${srcdir}/gcc; then
1882      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1883
1884      if test "${build}" != "${host}"; then
1885        # On Canadian crosses, CC_FOR_TARGET will have already been set
1886        # by `configure', so we won't have an opportunity to add -Bgcc/
1887        # to it.  This is right: we don't want to search that directory
1888        # for binaries, but we want the header files in there, so add
1889        # them explicitly.
1890        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1891
1892        # Someone might think of using the pre-installed headers on
1893        # Canadian crosses, in case the installed compiler is not fully
1894        # compatible with the compiler being built.  In this case, it
1895        # would be better to flag an error than risking having
1896        # incompatible object files being constructed.  We can't
1897        # guarantee that an error will be flagged, but let's hope the
1898        # compiler will do it, when presented with incompatible header
1899        # files.
1900      fi
1901    fi
1902
1903    case "${target}-${is_cross_compiler}" in
1904    i[[3456]]86-*-linux*-no)
1905       # Here host == target, so we don't need to build gcc,
1906       # so we don't want to discard standard headers.
1907       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1908       ;;
1909    *)
1910       # If we're building newlib, use its generic headers last, but search
1911       # for any libc-related directories first (so make it the last -B
1912       # switch).
1913       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1914       ;;
1915    esac
1916    ;;
1917   esac
1918   ;;
1919 esac
1920
1921 # On Canadian crosses, we'll be searching the right directories for
1922 # the previously-installed cross compiler, so don't bother to add
1923 # flags for directories within the install tree of the compiler
1924 # being built; programs in there won't even run.
1925 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1926   # Search for pre-installed headers if nothing else fits.
1927   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1928 fi
1929
1930 if test "x${use_gnu_ld}" = x &&
1931    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1932   # Arrange for us to find uninstalled linker scripts.
1933   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1934 fi
1935
1936 if test "x${CC_FOR_TARGET+set}" = xset; then
1937   :
1938 elif test -d ${srcdir}/gcc; then
1939   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1940 elif test "$host" = "$target"; then
1941   CC_FOR_TARGET='$(CC)'
1942 else
1943   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1944 fi
1945 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1946
1947 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1948   :
1949 elif test -d ${srcdir}/gcc; then
1950   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1951 elif test "$host" = "$target"; then
1952   GCJ_FOR_TARGET='gcj'
1953 else
1954   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1955 fi
1956 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1957
1958 # Don't use libstdc++-v3's flags to configure/build itself.
1959 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1960 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1961
1962 if test "x${CXX_FOR_TARGET+set}" = xset; then
1963   :
1964 elif test -d ${srcdir}/gcc; then
1965   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1966   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1967   # default whereas gcc does not.
1968   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1969   # all other cases.
1970   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1971   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1972 elif test "$host" = "$target"; then
1973   CXX_FOR_TARGET='$(CXX)'
1974   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1975 else
1976   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1977   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1978 fi
1979 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1980 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1981
1982 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1983 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1984
1985 # We want to defer the evaluation of `cmd`s and shell variables in
1986 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1987 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1988 # quotes, but we still have to duplicate `$'s so that shell variables
1989 # can be expanded by the nested make as shell variables, not as make
1990 # macros.
1991 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1992 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1993
1994 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1995 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1996 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1997 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1998 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1999 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2000 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2001
2002 # Makefile fragments.
2003 host_makefile_frag=${srcdir}/${host_makefile_frag}
2004 target_makefile_frag=${srcdir}/${target_makefile_frag}
2005 alphaieee_frag=${srcdir}/${alphaieee_frag}
2006 ospace_frag=${srcdir}/${ospace_frag}
2007 AC_SUBST_FILE(host_makefile_frag)
2008 AC_SUBST_FILE(target_makefile_frag)
2009 AC_SUBST_FILE(alphaieee_frag)
2010 AC_SUBST_FILE(ospace_frag)
2011
2012 # Miscellanea: directories, flags, etc.
2013 AC_SUBST(SET_LIB_PATH)
2014 AC_SUBST(RPATH_ENVVAR)
2015 AC_SUBST(BUILD_PREFIX)
2016 AC_SUBST(BUILD_PREFIX_1)
2017 AC_SUBST(configlinks)
2018 AC_SUBST(enable_shared)
2019 AC_SUBST(enable_threads)
2020 AC_SUBST(enable_version_specific_runtime_libs)
2021 AC_SUBST(gcc_version_trigger)
2022 AC_SUBST(gcc_version)
2023 AC_SUBST(tooldir)
2024 AC_SUBST(build_tooldir)
2025 AC_SUBST(GDB_TK)
2026 AC_SUBST(gxx_include_dir)
2027 AC_SUBST(libstdcxx_incdir)
2028
2029 # Build module lists & subconfigure args.
2030 AC_SUBST(build_subdir)
2031 AC_SUBST(build_configargs)
2032 AC_SUBST(configure_build_modules)
2033 AC_SUBST(all_build_modules)
2034
2035 # Host module lists & subconfigure args.
2036 AC_SUBST(host_configargs)
2037 AC_SUBST(configdirs)
2038 AC_SUBST(configure_host_modules)
2039 AC_SUBST(all_host_modules)
2040 AC_SUBST(check_host_modules)
2041 AC_SUBST(install_host_modules)
2042 AC_SUBST(install_host_modules_nogcc)
2043
2044 # Target module lists & subconfigure args.
2045 AC_SUBST(target_subdir)
2046 AC_SUBST(target_configargs)
2047 AC_SUBST(target_configdirs)
2048 AC_SUBST(configure_target_modules)
2049 AC_SUBST(all_target_modules)
2050 AC_SUBST(check_target_modules)
2051 AC_SUBST(install_target_modules)
2052
2053 # Build tools.
2054 AC_SUBST(BISON)
2055 AC_SUBST(CC_FOR_BUILD)
2056 AC_SUBST(LEX)
2057 AC_SUBST(MAKEINFO)
2058 AC_SUBST(YACC)
2059 AC_SUBST(config_shell)
2060
2061 # Host tools.
2062 NCN_STRICT_CHECK_TOOL(AR, ar)
2063 NCN_STRICT_CHECK_TOOL(AS, as)
2064 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2065 NCN_STRICT_CHECK_TOOL(LD, ld)
2066 NCN_STRICT_CHECK_TOOL(NM, nm)
2067 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2068 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2069 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2070 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2071 AC_SUBST(CC)
2072 AC_SUBST(CXX)
2073 AC_SUBST(CFLAGS)
2074 AC_SUBST(CXXFLAGS)
2075 AC_SUBST(DEFAULT_YACC)
2076 AC_SUBST(DEFAULT_LEX)
2077 AC_SUBST(DEFAULT_M4)
2078
2079 # Target tools.
2080 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2081 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2082 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2083 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2084 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2085 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2086 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2087
2088 AC_SUBST(GCC_FOR_TARGET)
2089 AC_SUBST(FLAGS_FOR_TARGET)
2090 AC_SUBST(CC_FOR_TARGET)
2091 AC_SUBST(GCJ_FOR_TARGET)
2092 AC_SUBST(CXX_FOR_TARGET)
2093 AC_SUBST(RAW_CXX_FOR_TARGET)
2094 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2095 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2096
2097 # Fix up target tools.
2098 if test "x${build}" = "x${host}" ; then
2099   # In this case, the newly built tools can and should be used,
2100   # so we override the results of the autoconf tests.
2101   # This should really only happen when the tools are actually being built,
2102   # but that's a further refinement.  The new build scheme, where
2103   # tools are built into a structure paralleling where they're installed,
2104   # should also eliminate all of this cleanly.
2105   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2106   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2107   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2108   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2109   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2110   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2111   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2112 fi
2113 # Certain tools may need extra flags.
2114 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2115 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2116 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2117
2118 AC_OUTPUT(Makefile)