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=`${PWDCMD-pwd}`; fi
  82
  83 # Export original configure arguments for use by sub-configures.
  84 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  85 export TOPLEVEL_CONFIGURE_ARGUMENTS
  86
  87 moveifchange=${srcdir}/move-if-change
  88
  89 # Set srcdir to "." if that's what it is.
  90 # This is important for multilib support.
  91 pwd=`${PWDCMD-pwd}`
  92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  93 if test "${pwd}" = "${srcpwd}" ; then
  94   srcdir=.
  95 fi
  96
  97 topsrcdir=$srcpwd
  98
  99 extra_host_args=
 100 # Define the trigger file to make sure configure will re-run whenever
 101 # the gcc version number changes.
 102 if test "${with_gcc_version_trigger+set}" = set ; then
 103   gcc_version_trigger="$with_gcc_version_trigger"
 104   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 105 else
 106   # If gcc's sources are available, define the trigger file.
 107   if test -f ${topsrcdir}/gcc/version.c ; then
 108     gcc_version_trigger=${topsrcdir}/gcc/version.c
 109     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 110     case "$ac_configure_args" in
 111       *--with-gcc-version-trigger=$gcc_version_trigger* )
 112         ;;
 113       * )
 114         # Add to all subconfigure arguments: build, host, and target.
 115         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 116         ;;
 117     esac
 118   fi
 119 fi
 120
 121 ### To add a new directory to the tree, first choose whether it is a target
 122 ### or a host dependent tool.  Then put it into the appropriate list
 123 ### (library or tools, host or target), doing a dependency sort.
 124
 125 # Subdirs will be configured in the order listed in build_configdirs,
 126 # configdirs, or target_configdirs; see the serialization section below.
 127
 128 # Dependency sorting is only needed when *configuration* must be done in
 129 # a particular order.  In all cases a dependency should be specified in
 130 # the Makefile, whether or not it's implicitly specified here.
 131
 132 # Double entries in build_configdirs, configdirs, or target_configdirs may
 133 # cause circular dependencies and break everything horribly.
 134
 135 # these libraries are used by various programs built for the host environment
 136 #
 137 host_libs="intl mmalloc libiberty opcodes bfd readline db tcl tk itcl tix libgui zlib"
 138
 139 libstdcxx_version="target-libstdc++-v3"
 140
 141 # these tools are built for the host environment
 142 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 143 # know that we are building the simulator.
 144 # binutils, gas and ld appear in that order because it makes sense to run
 145 # "make check" in that particular order.
 146 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"
 147
 148 # libgcj represents the runtime libraries only used by gcj.
 149 libgcj="target-libffi \
 150         target-boehm-gc \
 151         target-zlib \
 152         target-qthreads \
 153         target-libjava"
 154
 155 # these libraries are built for the target environment, and are built after
 156 # the host libraries and the host tools (which may be a cross compiler)
 157 #
 158 target_libs="target-libiberty \
 159                 target-libgloss \
 160                 target-newlib \
 161                 ${libstdcxx_version} \
 162                 target-libf2c \
 163                 ${libgcj}
 164                 target-libobjc"
 165
 166 # these tools are built using the target libs, and are intended to run only
 167 # in the target environment
 168 #
 169 # note: any program that *uses* libraries that are in the "target_libs"
 170 # list belongs in this list.  those programs are also very likely
 171 # candidates for the "native_only" list which follows
 172 #
 173 target_tools="target-examples target-groff target-gperf target-rda"
 174
 175 ################################################################################
 176
 177 ## All tools belong in one of the four categories, and are assigned above
 178 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 179 ## is important because configure will choke if they ever get through.
 180 ## ${configdirs} is directories we build using the host tools.
 181 ## ${target_configdirs} is directories we build using the target tools.
 182 #
 183 configdirs=`echo ${host_libs} ${host_tools}`
 184 target_configdirs=`echo ${target_libs} ${target_tools}`
 185
 186 ################################################################################
 187
 188 srcname="gnu development package"
 189
 190 # This gets set non-empty for some net releases of packages.
 191 appdirs=""
 192
 193 # Define is_cross_compiler to save on calls to 'test'.
 194 is_cross_compiler=
 195 if test x"${host}" = x"${target}" ; then
 196   is_cross_compiler=no
 197 else
 198   is_cross_compiler=yes
 199 fi
 200
 201 # We always want to use the same name for this directory, so that dejagnu
 202 # can reliably find it.
 203 target_subdir=${target_alias}
 204
 205 if test ! -d ${target_subdir} ; then
 206   if mkdir ${target_subdir} ; then true
 207   else
 208     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 209     exit 1
 210   fi
 211 fi
 212
 213 build_prefix=build-
 214 build_subdir=${build_prefix}${build_alias}
 215
 216 if test x"${build_alias}" != x"${host}" ; then
 217   if test ! -d ${build_subdir} ; then
 218     if mkdir ${build_subdir} ; then true
 219     else
 220       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 221       exit 1
 222     fi
 223   fi
 224 fi
 225
 226 # Skipdirs are removed silently.
 227 skipdirs=
 228 # Noconfigdirs are removed loudly.
 229 noconfigdirs=""
 230
 231 use_gnu_ld=
 232 # Make sure we don't let GNU ld be added if we didn't want it.
 233 if test x$with_gnu_ld = xno ; then
 234   use_gnu_ld=no
 235   noconfigdirs="$noconfigdirs ld"
 236 fi
 237
 238 use_gnu_as=
 239 # Make sure we don't let GNU as be added if we didn't want it.
 240 if test x$with_gnu_as = xno ; then
 241   use_gnu_as=no
 242   noconfigdirs="$noconfigdirs gas"
 243 fi
 244
 245 # some tools are so dependent upon X11 that if we're not building with X,
 246 # it's not even worth trying to configure, much less build, that tool.
 247
 248 case ${with_x} in
 249   yes | "") ;; # the default value for this tree is that X11 is available
 250   no)
 251     skipdirs="${skipdirs} tk tix itcl libgui"
 252     # We won't be able to build gdbtk without X.
 253     enable_gdbtk=no
 254     ;;
 255   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 256 esac
 257
 258 # Some tools are only suitable for building in a "native" situation.
 259 # Remove these if host!=target.
 260 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"
 261
 262 # Similarly, some are only suitable for cross toolchains.
 263 # Remove these if host=target.
 264 cross_only="target-libgloss target-newlib target-opcodes"
 265
 266 case $is_cross_compiler in
 267   no) skipdirs="${skipdirs} ${cross_only}" ;;
 268   yes) skipdirs="${skipdirs} ${native_only}" ;;
 269 esac
 270
 271 # If both --with-headers and --with-libs are specified, default to
 272 # --without-newlib.
 273 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 274   if test x"${with_newlib}" = x ; then
 275     with_newlib=no
 276   fi
 277 fi
 278
 279 # Recognize --with-newlib/--without-newlib.
 280 case ${with_newlib} in
 281   no) skipdirs="${skipdirs} target-newlib" ;;
 282   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 283 esac
 284
 285 # Configure extra directories which are host specific
 286
 287 case "${host}" in
 288   *-cygwin*)
 289     configdirs="$configdirs libtermcap" ;;
 290 esac
 291
 292 # Remove more programs from consideration, based on the host or
 293 # target this usually means that a port of the program doesn't
 294 # exist yet.
 295
 296 case "${host}" in
 297   hppa*64*-*-*)
 298     noconfigdirs="$noconfigdirs byacc"
 299     ;;
 300   i[[3456]]86-*-vsta)
 301     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv gettext"
 302     ;;
 303   i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
 304     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix db snavigator gnuserv libffi"
 305         ;;
 306   i[[3456]]86-*-mingw32*)
 307     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix db snavigator gnuserv"
 308      noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 309         ;;
 310   i[[3456]]86-*-beos*)
 311      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 312      ;;
 313   *-*-cygwin*)
 314      noconfigdirs="autoconf automake send-pr rcs guile perl"
 315     ;;
 316   *-*-netbsd*)
 317     noconfigdirs="rcs"
 318     ;;
 319   ppc*-*-pe)
 320      noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix db snavigator gnuserv"
 321     ;;
 322   powerpc-*-beos*)
 323     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 324     ;;
 325   *-*-darwin*)
 326     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 327     ;;
 328 esac
 329
 330 # Save it here so that, even in case of --enable-libgcj, if the Java
 331 # front-end isn't enabled, we still get libgcj disabled.
 332 libgcj_saved=$libgcj
 333 case $enable_libgcj in
 334 yes)
 335   # If we reset it here, it won't get added to noconfigdirs in the
 336   # target-specific build rules, so it will be forcibly enabled
 337   # (unless the Java language itself isn't enabled).
 338   libgcj=
 339   ;;
 340 no)
 341   # Make sure we get it printed in the list of not supported target libs.
 342   noconfigdirs="$noconfigdirs ${libgcj}"
 343   ;;
 344 esac
 345
 346 case "${target}" in
 347   *-*-chorusos)
 348     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 349     ;;
 350   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 351     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 352     ;;
 353   *-*-netbsd*)
 354     # Skip some stuff on all NetBSD configurations.
 355     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 356
 357     # Skip some stuff that's unsupported on some NetBSD configurations.
 358     case "${target}" in
 359       i*86-*-netbsdelf*) ;;
 360       *)
 361         noconfigdirs="$noconfigdirs ${libgcj}"
 362         ;;
 363     esac
 364     ;;
 365   *-*-netware)
 366     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
 367     ;;
 368   *-*-rtems*)
 369     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 370     case ${target} in
 371         h8300*-*-* | h8500-*-*)
 372           noconfigdirs="$noconfigdirs target-libf2c"
 373           ;;
 374         *) ;;
 375     esac
 376     ;;
 377   *-*-vxworks*)
 378     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 379     ;;
 380   alpha*-dec-osf*)
 381     # ld works, but does not support shared libraries.
 382     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 383     # gas doesn't generate exception information.
 384     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 385     ;;
 386   alpha*-*-*vms*)
 387     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 388     ;;
 389   alpha*-*-linux*)
 390     # newlib is not 64 bit ready
 391     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 392     ;;
 393   alpha*-*-freebsd*)
 394     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 395     ;;
 396   alpha*-*-*)
 397     # newlib is not 64 bit ready
 398     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 399     ;;
 400   sh-*-linux*)
 401     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 402     ;;
 403   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 404     noconfigdirs="$noconfigdirs ${libgcj}"
 405     noconfigdirs="$noconfigdirs target-examples"
 406     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 407     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 408     noconfigdirs="$noconfigdirs expect dejagnu"
 409     # the C++ libraries don't build on top of CE's C libraries
 410     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 411     noconfigdirs="$noconfigdirs target-newlib"
 412     case "${host}" in
 413       *-*-cygwin*) ;; # keep gdb and readline
 414       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 415          ;;
 416     esac
 417     ;;
 418   arc-*-*)
 419     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 420     ;;
 421   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 422     noconfigdirs="$noconfigdirs ${libgcj}"
 423     ;;
 424   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 425     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 426     ;;
 427   arm-*-pe*)
 428     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 429     ;;
 430   arm-*-oabi*)
 431     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 432     ;;
 433   thumb-*-coff)
 434     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 435     ;;
 436   thumb-*-elf)
 437     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 438     ;;
 439   thumb-*-oabi)
 440     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 441     ;;
 442   thumb-*-pe)
 443     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 444     ;;
 445   arm-*-riscix*)
 446     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 447     ;;
 448   avr-*-*)
 449     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 450     ;;
 451   c4x-*-* | tic4x-*-*)
 452     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 453     ;;
 454   c54x*-*-* | tic54x-*-*)
 455     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 456     ;;
 457   cris-*-*)
 458     noconfigdirs="$noconfigdirs ${libgcj}"
 459     ;;
 460   d10v-*-*)
 461     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 462     ;;
 463   d30v-*-*)
 464     noconfigdirs="$noconfigdirs ${libgcj}"
 465     ;;
 466   fr30-*-elf*)
 467     noconfigdirs="$noconfigdirs ${libgcj}"
 468     ;;
 469   frv-*-*)
 470     noconfigdirs="$noconfigdirs ${libgcj}"
 471     ;;
 472   h8300*-*-*)
 473     noconfigdirs="$noconfigdirs target-libgloss"
 474     ;;
 475   h8500-*-*)
 476     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
 477     ;;
 478   hppa*64*-*-linux* | parisc*64*-*-linux*)
 479     # In this case, it's because the hppa64-linux target is for
 480     # the kernel only at this point and has no libc, and thus no
 481     # headers, crt*.o, etc., all of which are needed by these.
 482     noconfigdirs="$noconfigdirs target-zlib"
 483     ;;
 484   hppa*-*-*elf* | \
 485   parisc*-*-linux* | hppa*-*-linux* | \
 486   hppa*-*-lites* | \
 487   hppa*-*-openbsd* | \
 488   hppa*64*-*-*)
 489     noconfigdirs="$noconfigdirs ${libgcj}"
 490     # Do configure ld/binutils/gas for this case.
 491     ;;
 492   hppa*-*-*)
 493     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 494     # build on HP-UX 10.20.
 495     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 496     ;;
 497   ia64*-*-elf*)
 498     # No gdb support yet.
 499     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 500     ;;
 501   ia64*-**-hpux*)
 502     # No gdb or ld support yet.
 503     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 504     ;;
 505   i[[3456]]86-*-coff | i[[3456]]86-*-elf)
 506     noconfigdirs="$noconfigdirs ${libgcj}"
 507     ;;
 508   i[[34567]]86-*-freebsd*)
 509     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 510     ;;
 511   i[[3456]]86-*-linux*)
 512     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 513     # not build java stuff by default.
 514     case "${target}" in
 515       *-*-*libc1*)
 516         noconfigdirs="$noconfigdirs ${libgcj}";;
 517     esac
 518
 519     # This section makes it possible to build newlib natively on linux.
 520     # If we are using a cross compiler then don't configure newlib.
 521     if test x${is_cross_compiler} != xno ; then
 522          noconfigdirs="$noconfigdirs target-newlib"
 523     fi
 524     noconfigdirs="$noconfigdirs target-libgloss"
 525     # If we are not using a cross compiler, do configure newlib.
 526     # Note however, that newlib will only be configured in this situation
 527     # if the --with-newlib option has been given, because otherwise
 528     # 'target-newlib' will appear in skipdirs.
 529     ;;
 530   i[[3456]]86-*-mingw32*)
 531     target_configdirs="$target_configdirs target-mingw"
 532     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 533
 534     # Can't build gdb for mingw32 if not native.
 535     case "${host}" in
 536       i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 537       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 538          ;;
 539     esac
 540     ;;
 541   *-*-cygwin*)
 542     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 543     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 544     # always build newlib.
 545     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 546
 547     # Can't build gdb for Cygwin if not native.
 548     case "${host}" in
 549       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 550       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 551          ;;
 552     esac
 553     ;;
 554   i[[3456]]86-*-pe)
 555     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 556     ;;
 557   i[[3456]]86-*-sco3.2v5*)
 558     # The linker does not yet know about weak symbols in COFF,
 559     # and is not configured to handle mixed ELF and COFF.
 560     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 561     ;;
 562   i[[3456]]86-*-sco*)
 563     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 564     ;;
 565   i[[3456]]86-*-solaris2*)
 566     noconfigdirs="$noconfigdirs target-libgloss"
 567     ;;
 568   i[[3456]]86-*-sysv4*)
 569     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 570     ;;
 571   i[[3456]]86-*-beos*)
 572      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 573      ;;
 574   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 575     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 576     ;;
 577   m68k-*-elf*)
 578     noconfigdirs="$noconfigdirs ${libgcj}"
 579     ;;
 580   m68k-*-coff*)
 581     noconfigdirs="$noconfigdirs ${libgcj}"
 582     ;;
 583   mcore-*-pe*)
 584   # The EPOC C++ environment does not support exceptions or rtti,
 585   # and so building libstdc++-v3 tends not to always work.
 586     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 587     ;;
 588   mmix-*-*)
 589     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 590     ;;
 591   mn10200-*-*)
 592     noconfigdirs="$noconfigdirs ${libgcj}"
 593     ;;
 594   mn10300-*-*)
 595     noconfigdirs="$noconfigdirs ${libgcj}"
 596     ;;
 597   powerpc-*-aix*)
 598     # copied from rs6000-*-* entry
 599     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 600     ;;
 601   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 602     target_configdirs="$target_configdirs target-winsup"
 603     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
 604     # always build newlib.
 605     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 606     ;;
 607     # This is temporary until we can link against shared libraries
 608   powerpcle-*-solaris*)
 609     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
 610     ;;
 611   powerpc-*-beos*)
 612     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 613     ;;
 614   powerpc-*-darwin*)
 615     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof ${libgcj}"
 616     ;;
 617   powerpc-*-eabi)
 618     noconfigdirs="$noconfigdirs ${libgcj}"
 619     ;;
 620   powerpc64*-*-linux*)
 621     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 622     # not yet ported.
 623     noconfigdirs="$noconfigdirs target-libffi"
 624     ;;
 625   rs6000-*-lynxos*)
 626     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 627     ;;
 628   rs6000-*-aix*)
 629     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 630     ;;
 631   rs6000-*-*)
 632     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 633     ;;
 634   m68k-apollo-*)
 635     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 636     ;;
 637   mips*-*-irix5*)
 638     # The GNU linker does not support shared libraries.
 639     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 640     ;;
 641   mips*-*-irix6*)
 642     # The GNU assembler does not support IRIX 6.
 643     # Linking libjava exceeds command-line length limits on at least
 644     # IRIX 6.2, but not on IRIX 6.5.
 645     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 646     # <oldham@codesourcery.com>
 647     noconfigdirs="$noconfigdirs gas gprof target-libgloss ${libgcj}"
 648     ;;
 649   mips*-dec-bsd*)
 650     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 651     ;;
 652   mips*-*-bsd*)
 653     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 654     ;;
 655   mipstx39-*-*)
 656     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 657    ;;
 658   mips*-*-linux*)
 659     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 660     ;;
 661   mips*-*-*)
 662     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 663     ;;
 664   romp-*-*)
 665     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 666     ;;
 667   sh-*-*)
 668     case "${host}" in
 669       i[[3456]]86-*-vsta) ;; # don't add gprof back in
 670       i[[3456]]86-*-go32*) ;; # don't add gprof back in
 671       i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 672       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 673     esac
 674     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 675     ;;
 676   sh64-*-*)
 677     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 678     ;;
 679   sparc-*-elf*)
 680     noconfigdirs="$noconfigdirs ${libgcj}"
 681     ;;
 682   sparc64-*-elf*)
 683     noconfigdirs="$noconfigdirs ${libgcj}"
 684     ;;
 685   sparclite-*-*)
 686     noconfigdirs="$noconfigdirs ${libgcj}"
 687     ;;
 688   sparc-*-sunos4*)
 689     noconfigdirs="$noconfigdirs ${libgcj}"
 690     if test x${is_cross_compiler} != xno ; then
 691            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 692     else
 693            use_gnu_ld=no
 694     fi
 695     ;;
 696   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 697     ;;
 698   v810-*-*)
 699     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 700     ;;
 701   v850-*-*)
 702     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 703     ;;
 704   v850e-*-*)
 705     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 706     ;;
 707   v850ea-*-*)
 708     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 709     ;;
 710   vax-*-vms)
 711     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 712     ;;
 713   vax-*-*)
 714     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 715     ;;
 716   ip2k-*-*)
 717     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 718     ;;
 719   *-*-linux*)
 720     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 721     ;;
 722   *-*-lynxos*)
 723     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 724     ;;
 725   *-*-*)
 726     noconfigdirs="$noconfigdirs ${libgcj}"
 727     ;;
 728 esac
 729
 730 # If we aren't building newlib, then don't build libgloss, since libgloss
 731 # depends upon some newlib header files.
 732 case "${noconfigdirs}" in
 733   *target-libgloss*) ;;
 734   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 735 esac
 736
 737 # Figure out what language subdirectories are present.
 738 # Look if the user specified --enable-languages="..."; if not, use
 739 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 740 # go away some day.
 741 # NB:  embedded tabs in this IF block -- do not untabify
 742 if test x"${enable_languages+set}" != xset; then
 743         if test x"${LANGUAGES+set}" = xset; then
 744                 enable_languages="${LANGUAGES}"
 745                 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 746         else
 747                 enable_languages=all
 748         fi
 749 else
 750         if test x"${enable_languages}" = x ||
 751            test x"${enable_languages}" = xyes;
 752         then
 753                 echo configure.in: --enable-languages needs at least one language argument 1>&2
 754                 exit 1
 755         fi
 756 fi
 757 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 758
 759 # First scan to see if an enabled language requires some other language.
 760 # We assume that a given config-lang.in will list all the language
 761 # front ends it requires, even if some are required indirectly.
 762 for lang in ${srcdir}/gcc/*/config-lang.in ..
 763 do
 764    case $lang in
 765     ..)
 766        ;;
 767     # The odd quoting in the next line works around
 768     # an apparent bug in bash 1.12 on linux.
 769     ${srcdir}/gcc/[[*]]/config-lang.in)
 770        ;;
 771     *)
 772        lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^         ]]*\).*$,\1,p' $lang`
 773        this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^       ]]*\).*$,\1,p' $lang`
 774        for other in $this_lang_requires
 775        do
 776           case ,${enable_languages}, in
 777            *,$other,*)
 778               ;;
 779            *,all,*)
 780               ;;
 781            *,$lang_alias,*)
 782               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
 783               enable_languages="$enable_languages,$other"
 784               ;;
 785           esac
 786        done
 787        ;;
 788    esac
 789 done
 790
 791 subdirs=
 792 for lang in ${srcdir}/gcc/*/config-lang.in ..
 793 do
 794         case $lang in
 795         ..) ;;
 796         # The odd quoting in the next line works around
 797         # an apparent bug in bash 1.12 on linux.
 798         ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 799         *)
 800           lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^      ]]*\).*$,\1,p' $lang`
 801           this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^    ]]*\).*$,\1,p' $lang`
 802           this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^        ]]*\).*$,\1,p' $lang`
 803           build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^        ]]*\).*$,\1,p' $lang`
 804           if test "x$lang_alias" = x
 805           then
 806                 echo "$lang doesn't set \$language." 1>&2
 807                 exit 1
 808           fi
 809           case ${build_by_default},${enable_languages}, in
 810           *,$lang_alias,*) add_this_lang=yes ;;
 811           no,*) add_this_lang=no ;;
 812           *,all,*) add_this_lang=yes ;;
 813           *) add_this_lang=no ;;
 814           esac
 815           if test x"${add_this_lang}" = xyes; then
 816               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 817           else
 818               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
 819           fi
 820           ;;
 821         esac
 822 done
 823
 824 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 825 # $target_configdirs.
 826 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 827
 828 notsupp=""
 829 for dir in . $skipdirs $noconfigdirs ; do
 830   dirname=`echo $dir | sed -e s/target-//g`
 831   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 832     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 833     if test -r $srcdir/$dirname/configure ; then
 834       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 835         true
 836       else
 837         notsupp="$notsupp $dir"
 838       fi
 839     fi
 840   fi
 841   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 842     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 843     if test -r $srcdir/$dirname/configure ; then
 844       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 845         true
 846       else
 847         notsupp="$notsupp $dir"
 848       fi
 849     fi
 850   fi
 851 done
 852
 853 # Sometimes the tools are distributed with libiberty but with no other
 854 # libraries.  In that case, we don't want to build target-libiberty.
 855 if test -n "${target_configdirs}" ; then
 856   others=
 857   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 858     if test "$i" != "libiberty" ; then
 859       if test -r $srcdir/$i/configure ; then
 860         others=yes;
 861         break;
 862       fi
 863     fi
 864   done
 865   if test -z "${others}" ; then
 866     target_configdirs=
 867   fi
 868 fi
 869
 870 # Deconfigure all subdirectories, in case we are changing the
 871 # configuration from one where a subdirectory is supported to one where it
 872 # is not.
 873 if test -z "${norecursion}" && test -n "${configdirs}" ; then
 874   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
 875     rm -f $i/Makefile
 876   done
 877 fi
 878 if test -z "${norecursion}" && test -n "${target_configdirs}" ; then
 879   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 880     rm -f ${target_subdir}/$i/Makefile
 881   done
 882 fi
 883
 884 # Quietly strip out all directories which aren't configurable in this tree.
 885 # This relies on all configurable subdirectories being autoconfiscated, which
 886 # is now the case.
 887 configdirs_all="$configdirs"
 888 configdirs=
 889 for i in ${configdirs_all} ; do
 890   if test -f ${srcdir}/$i/configure ; then
 891     configdirs="${configdirs} $i"
 892   fi
 893 done
 894 target_configdirs_all="$target_configdirs"
 895 target_configdirs=
 896 for i in ${target_configdirs_all} ; do
 897   j=`echo $i | sed -e s/target-//g`
 898   if test -f ${srcdir}/$j/configure ; then
 899     target_configdirs="${target_configdirs} $i"
 900   fi
 901 done
 902
 903 # Produce a warning message for the subdirs we can't configure.
 904 # This isn't especially interesting in the Cygnus tree, but in the individual
 905 # FSF releases, it's important to let people know when their machine isn't
 906 # supported by the one or two programs in a package.
 907
 908 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 909   # If $appdirs is non-empty, at least one of those directories must still
 910   # be configured, or we error out.  (E.g., if the gas release supports a
 911   # specified target in some subdirs but not the gas subdir, we shouldn't
 912   # pretend that all is well.)
 913   if test -n "$appdirs" ; then
 914     for dir in $appdirs ; do
 915       if test -r $dir/Makefile.in ; then
 916         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 917           appdirs=""
 918           break
 919         fi
 920         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 921           appdirs=""
 922           break
 923         fi
 924       fi
 925     done
 926     if test -n "$appdirs" ; then
 927       echo "*** This configuration is not supported by this package." 1>&2
 928       exit 1
 929     fi
 930   fi
 931   # Okay, some application will build, or we don't care to check.  Still
 932   # notify of subdirs not getting built.
 933   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 934   echo "    ${notsupp}" 1>&2
 935   echo "    (Any other directories should still work fine.)" 1>&2
 936 fi
 937
 938 case "$host" in
 939   *msdosdjgpp*)
 940     enable_gdbtk=no ;;
 941 esac
 942
 943 copy_dirs=
 944
 945 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 946 # the named directory are copied to $(tooldir)/sys-include.
 947 if test x"${with_headers}" != x ; then
 948   if test x${is_cross_compiler} = xno ; then
 949     echo 1>&2 '***' --with-headers is only supported when cross compiling
 950     exit 1
 951   fi
 952   if test x"${with_headers}" != xyes ; then
 953     case "${exec_prefixoption}" in
 954     "") x=${prefix} ;;
 955     *) x=${exec_prefix} ;;
 956     esac
 957     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 958   fi
 959 fi
 960
 961 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 962 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 963 # are permitted.
 964 if test x"${with_libs}" != x ; then
 965   if test x${is_cross_compiler} = xno ; then
 966     echo 1>&2 '***' --with-libs is only supported when cross compiling
 967     exit 1
 968   fi
 969   if test x"${with_libs}" != xyes ; then
 970     # Copy the libraries in reverse order, so that files in the first named
 971     # library override files in subsequent libraries.
 972     case "${exec_prefixoption}" in
 973     "") x=${prefix} ;;
 974     *) x=${exec_prefix} ;;
 975     esac
 976     for l in ${with_libs}; do
 977       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 978     done
 979   fi
 980 fi
 981
 982 # Handle ${copy_dirs}
 983 set fnord ${copy_dirs}
 984 shift
 985 while test $# != 0 ; do
 986   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 987     :
 988   else
 989     echo Copying $1 to $2
 990
 991     # Use the install script to create the directory and all required
 992     # parent directories.
 993     if test -d $2 ; then
 994       :
 995     else
 996       echo >config.temp
 997       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 998     fi
 999
1000     # Copy the directory, assuming we have tar.
1001     # FIXME: Should we use B in the second tar?  Not all systems support it.
1002     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1003
1004     # It is the responsibility of the user to correctly adjust all
1005     # symlinks.  If somebody can figure out how to handle them correctly
1006     # here, feel free to add the code.
1007
1008     echo $1 > $2/COPIED
1009   fi
1010   shift; shift
1011 done
1012
1013 # Work in distributions that contain no compiler tools, like Autoconf.
1014 tentative_cc=""
1015 host_makefile_frag=/dev/null
1016 if test -d ${srcdir}/config ; then
1017 case "${host}" in
1018   m68k-hp-hpux*)
1019     # Avoid "too much defining" errors from HPUX compiler.
1020     tentative_cc="cc -Wp,-H256000"
1021     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1022     # If it's HP/UX ar, this should be harmless.
1023     RANLIB="ar ts"
1024     ;;
1025   m68k-apollo-sysv*)
1026     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1027     ;;
1028   m68k-apollo-bsd*)
1029     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1030     # chokes on bfd, the compiler won't let you assign integers to enums, and
1031     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1032     # the apollo compiler" (the preferred version of GCC could be called cc,
1033     # or whatever), but I'm not sure leaving CC as cc is any better...
1034     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1035     # Used to have BISON=yacc.
1036     tentative_cc=gcc
1037     ;;
1038   m88k-dg-dgux*)
1039     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1040     host_makefile_frag="config/mh-dgux"
1041     ;;
1042   m88k-harris-cxux*)
1043     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1044     tentative_cc="cc -Xa"
1045     host_makefile_frag="config/mh-cxux"
1046     ;;
1047   m88k-motorola-sysv*)
1048     ;;
1049   mips*-dec-ultrix*)
1050     tentative_cc="cc -Wf,-XNg1000"
1051     host_makefile_frag="config/mh-decstation"
1052     ;;
1053   mips*-nec-sysv4*)
1054     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1055     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1056     host_makefile_frag="config/mh-necv4"
1057     ;;
1058   mips*-sgi-irix4*)
1059     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1060     # environment.  Also bump switch table size so that cp-parse will
1061     # compile.  Bump string length limit so linker builds.
1062     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1063     ;;
1064   mips*-*-sysv4*)
1065     host_makefile_frag="config/mh-sysv4"
1066     ;;
1067   mips*-*-sysv*)
1068     # This is for a MIPS running RISC/os 4.52C.
1069
1070     # This is needed for GDB, but needs to be in the top-level make because
1071     # if a library is compiled with the bsd headers and gets linked with the
1072     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1073     # a different size).
1074     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1075     # known except to select the sysv environment.  Could we use /proc instead?
1076     # These "sysv environments" and "bsd environments" often end up being a pain.
1077     #
1078     # This is not part of CFLAGS because perhaps not all C compilers have this
1079     # option.
1080     tentative_cc="cc -systype sysv"
1081     ;;
1082   i370-ibm-opened*)
1083     tentative_cc="c89"
1084     ;;
1085   i[[3456]]86-*-sysv5*)
1086     host_makefile_frag="config/mh-sysv5"
1087     ;;
1088   i[[3456]]86-*-dgux*)
1089     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1090     host_makefile_frag="config/mh-dgux386"
1091     ;;
1092   i[[3456]]86-ncr-sysv4.3*)
1093     # The MetaWare compiler will generate a copyright message unless you
1094     # turn it off by adding the -Hnocopyr flag.
1095     tentative_cc="cc -Hnocopyr"
1096     ;;
1097   i[[3456]]86-ncr-sysv4*)
1098     # for an NCR 3000 (i486/SVR4) system.
1099     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1100     # This compiler not only emits obnoxious copyright messages every time
1101     # you run it, but it chokes and dies on a whole bunch of GNU source
1102     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1103     tentative_cc="/usr/ccs/ATT/cc"
1104     host_makefile_frag="config/mh-ncr3000"
1105     ;;
1106   i[[3456]]86-*-sco3.2v5*)
1107     ;;
1108   i[[3456]]86-*-sco*)
1109     # The native C compiler botches some simple uses of const.  Unfortunately,
1110     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1111     tentative_cc="cc -Dconst="
1112     host_makefile_frag="config/mh-sco"
1113     ;;
1114   i[[3456]]86-*-udk*)
1115     host_makefile_frag="config/mh-sysv5"
1116     ;;
1117   i[[3456]]86-*-solaris2*)
1118     host_makefile_frag="config/mh-sysv4"
1119     ;;
1120   i[[3456]]86-*-msdosdjgpp*)
1121     host_makefile_frag="config/mh-djgpp"
1122     ;;
1123   *-cygwin*)
1124     host_makefile_frag="config/mh-cygwin"
1125     ;;
1126   *-mingw32*)
1127     host_makefile_frag="config/mh-mingw32"
1128     ;;
1129   *-interix*)
1130     host_makefile_frag="config/mh-interix"
1131     ;;
1132   vax-*-ultrix2*)
1133     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1134     tentative_cc=gcc
1135     ;;
1136   *-*-solaris2*)
1137     host_makefile_frag="config/mh-solaris"
1138     ;;
1139   m68k-sun-sunos*)
1140     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1141     # without overflowing the jump tables (-J says to use a 32 bit table)
1142     tentative_cc="cc -J"
1143     ;;
1144   *-hp-hpux*)
1145     tentative_cc="cc -Wp,-H256000"
1146     ;;
1147   *-*-hiux*)
1148     tentative_cc="cc -Wp,-H256000"
1149     ;;
1150   rs6000-*-lynxos*)
1151     # /bin/cc is less than useful for our purposes.  Always use GCC
1152     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1153     host_makefile_frag="config/mh-lynxrs6k"
1154     ;;
1155   *-*-lynxos*)
1156     # /bin/cc is less than useful for our purposes.  Always use GCC
1157     tentative_cc="/bin/gcc"
1158     ;;
1159   *-*-sysv4*)
1160     host_makefile_frag="config/mh-sysv4"
1161     ;;
1162 esac
1163 fi
1164
1165 extra_arflags_for_target=
1166 extra_nmflags_for_target=
1167 extra_ranlibflags_for_target=
1168 target_makefile_frag=/dev/null
1169 case "${target}" in
1170   i[[3456]]86-*-netware*)
1171     target_makefile_frag="config/mt-netware"
1172     ;;
1173   powerpc-*-netware*)
1174     target_makefile_frag="config/mt-netware"
1175     ;;
1176   *-*-linux*)
1177     target_makefile_frag="config/mt-linux"
1178     ;;
1179   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1180     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1181     # commands to handle both 32-bit and 64-bit objects.  These flags are
1182     # harmless if we're using GNU nm or ar.
1183     extra_arflags_for_target=" -X32_64"
1184     extra_nmflags_for_target=" -B -X32_64"
1185     ;;
1186   *-*-darwin*)
1187     # ranlib from Darwin requires the -c flag to look at common symbols.
1188     extra_ranlibflags_for_target=" -c"
1189     ;;
1190   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1191     target_makefile_frag="config/mt-wince"
1192     ;;
1193 esac
1194
1195 alphaieee_frag=/dev/null
1196 case $target in
1197   alpha*-*-*)
1198     # This just makes sure to use the -mieee option to build target libs.
1199     # This should probably be set individually by each library.
1200     alphaieee_frag="config/mt-alphaieee"
1201     ;;
1202 esac
1203
1204 # If --enable-target-optspace always use -Os instead of -O2 to build
1205 # the target libraries, similarly if it is not specified, use -Os
1206 # on selected platforms.
1207 ospace_frag=/dev/null
1208 case "${enable_target_optspace}:${target}" in
1209   yes:*)
1210     ospace_frag="config/mt-ospace"
1211     ;;
1212   :d30v-*)
1213     ospace_frag="config/mt-d30v"
1214     ;;
1215   :m32r-* | :d10v-* | :fr30-*)
1216     ospace_frag="config/mt-ospace"
1217     ;;
1218   no:* | :*)
1219     ;;
1220   *)
1221     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1222     ;;
1223 esac
1224
1225 # Set with_gnu_as and with_gnu_ld as appropriate.
1226 #
1227 # This is done by determining whether or not the appropriate directory
1228 # is available, and by checking whether or not specific configurations
1229 # have requested that this magic not happen.
1230 #
1231 # The command line options always override the explicit settings in
1232 # configure.in, and the settings in configure.in override this magic.
1233 #
1234 # If the default for a toolchain is to use GNU as and ld, and you don't
1235 # want to do that, then you should use the --without-gnu-as and
1236 # --without-gnu-ld options for the configure script.
1237
1238 if test x${use_gnu_as} = x &&
1239    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1240   with_gnu_as=yes
1241   extra_host_args="$extra_host_args --with-gnu-as"
1242 fi
1243
1244 if test x${use_gnu_ld} = x &&
1245    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1246   with_gnu_ld=yes
1247   extra_host_args="$extra_host_args --with-gnu-ld"
1248 fi
1249
1250 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1251 # can detect this case.
1252
1253 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1254   with_newlib=yes
1255   extra_host_args="$extra_host_args --with-newlib"
1256 fi
1257
1258 # We default to --with-shared on platforms where -fpic is meaningless.
1259 # Well, we don't yet, but we will.
1260 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1261   case "${target}" in
1262     alpha*-dec-osf*)    enable_shared=yes ;;
1263     alpha*-*-linux*)    enable_shared=yes ;;
1264     mips-sgi-irix5*)    enable_shared=yes ;;
1265     *)                  enable_shared=no ;;
1266   esac
1267 fi
1268
1269 case "${enable_shared}" in
1270   yes) shared=yes ;;
1271   no) shared=no ;;
1272   "") shared=no ;;
1273   *) shared=yes ;;
1274 esac
1275
1276
1277 # Default to using --with-stabs for certain targets.
1278 if test x${with_stabs} = x ; then
1279   case "${target}" in
1280   mips*-*-irix6*o32)
1281     with_stabs=yes;
1282     extra_host_args="${extra_host_args} --with-stabs"
1283     ;;
1284   mips*-*-irix6*)
1285     ;;
1286   mips*-*-* | alpha*-*-osf*)
1287     with_stabs=yes;
1288     extra_host_args="${extra_host_args} --with-stabs"
1289     ;;
1290   esac
1291 fi
1292
1293 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1294 # them automatically.
1295 case "${host}" in
1296   hppa*64*-*-hpux11*)
1297     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1298     ;;
1299 esac
1300
1301 # If we aren't going to be using gcc, see if we can extract a definition
1302 # of CC from the fragment.
1303 # Actually, use the 'pre-extracted' version above.
1304 if test -z "${CC}" && test "${build}" = "${host}" ; then
1305   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1306   found=
1307   for dir in $PATH; do
1308     test -z "$dir" && dir=.
1309     if test -f $dir/gcc; then
1310       found=yes
1311       break
1312     fi
1313   done
1314   IFS="$save_ifs"
1315   if test -z "${found}" && test -n "${tentative_cc}" ; then
1316     CC=$tentative_cc
1317   fi
1318 fi
1319
1320 # Some systems (e.g., one of the i386-aix systems the gas testers are
1321 # using) don't handle "\$" correctly, so don't use it here.
1322 tooldir='$(exec_prefix)'/${target_alias}
1323 build_tooldir=${tooldir}
1324
1325 # Generate a default definition for YACC.  This is used if the makefile can't
1326 # locate bison or byacc in objdir.
1327
1328 for prog in 'bison -y' byacc yacc
1329 do
1330   set dummy $prog; tmp=$2
1331   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1332   for dir in $PATH; do
1333     test -z "$dir" && dir=.
1334     if test -f $dir/$tmp; then
1335       DEFAULT_YACC="$prog"
1336       break
1337     fi
1338   done
1339   IFS="$save_ifs"
1340
1341   test -n "$DEFAULT_YACC" && break
1342 done
1343
1344 # Generate a default definition for M4.  This is used if the makefile can't
1345 # locate m4 in objdir.
1346
1347 for prog in gm4 gnum4 m4
1348 do
1349   set dummy $prog; tmp=$2
1350   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1351   for dir in $PATH; do
1352     test -z "$dir" && dir=.
1353     if test -f $dir/$tmp; then
1354       DEFAULT_M4="$prog"
1355       break
1356     fi
1357   done
1358   IFS="$save_ifs"
1359
1360   test -n "$DEFAULT_M4" && break
1361 done
1362
1363 # Generate a default definition for LEX.  This is used if the makefile can't
1364 # locate flex in objdir.
1365
1366 for prog in flex lex
1367 do
1368   set dummy $prog; tmp=$2
1369   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1370   for dir in $PATH; do
1371     test -z "$dir" && dir=.
1372     if test -f $dir/$tmp; then
1373       DEFAULT_LEX="$prog"
1374       break
1375     fi
1376   done
1377   IFS="$save_ifs"
1378
1379   test -n "$DEFAULT_LEX" && break
1380 done
1381
1382 if test "${build}" != "${host}" ; then
1383   # If we are doing a Canadian Cross, in which the host and build systems
1384   # are not the same, we set reasonable default values for the tools.
1385
1386   BISON=${BISON-bison}
1387   CC=${CC-${host_alias}-gcc}
1388   CFLAGS=${CFLAGS-"-g -O2"}
1389   CXX=${CXX-${host_alias}-c++}
1390   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1391   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1392   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1393   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1394   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1395   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1396   BUILD_PREFIX=${build_alias}-
1397   BUILD_PREFIX_1=${build_alias}-
1398   MAKEINFO=${MAKEINFO-makeinfo}
1399
1400   if test -z "${YACC}" ; then
1401     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1402     for dir in $PATH; do
1403       test -z "$dir" && dir=.
1404       if test -f $dir/bison; then
1405         YACC="bison -y"
1406         break
1407       fi
1408       if test -f $dir/byacc; then
1409         YACC=byacc
1410         break
1411       fi
1412       if test -f $dir/yacc; then
1413         YACC=yacc
1414         break
1415       fi
1416     done
1417     IFS="$save_ifs"
1418     if test -z "${YACC}" ; then
1419       YACC="bison -y"
1420     fi
1421   fi
1422
1423   if test -z "${LEX}" ; then
1424     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1425     for dir in $PATH; do
1426       test -z "$dir" && dir=.
1427       if test -f $dir/flex; then
1428         LEX=flex
1429         break
1430       fi
1431       if test -f $dir/lex; then
1432         LEX=lex
1433         break
1434       fi
1435     done
1436     IFS="$save_ifs"
1437     LEX=${LEX-flex}
1438   fi
1439
1440 else
1441   # Set reasonable default values for some tools even if not Canadian.
1442   # Of course, these are different reasonable default values, originally
1443   # specified directly in the Makefile.
1444   # We don't export, so that autoconf can do its job.
1445   # Note that all these settings are above the fragment inclusion point
1446   # in Makefile.in, so can still be overridden by fragments.
1447   # This is all going to change when we autoconfiscate...
1448
1449   BISON="\$(USUAL_BISON)"
1450   CC_FOR_BUILD="\$(CC)"
1451   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1452   BUILD_PREFIX=
1453   BUILD_PREFIX_1=loser-
1454   MAKEINFO="\$(USUAL_MAKEINFO)"
1455   LEX="\$(USUAL_LEX)"
1456   YACC="\$(USUAL_YACC)"
1457
1458   # If CC is still not set, try to get gcc.
1459   cc_prog_is_gcc=
1460   if test -z "${CC}" ; then
1461     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1462     for dir in $PATH; do
1463       test -z "$dir" && dir=.
1464       if test -f $dir/gcc; then
1465         CC="gcc"
1466         cc_prog_is_gcc=yes
1467         echo 'void f(){}' > conftest.c
1468         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1469           CFLAGS=${CFLAGS-"-g -O2"}
1470           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1471         else
1472           CFLAGS=${CFLAGS-"-O2"}
1473           CXXFLAGS=${CXXFLAGS-"-O2"}
1474         fi
1475         rm -f conftest*
1476         break
1477       fi
1478     done
1479     IFS="$save_ifs"
1480     CC=${CC-cc}
1481   else
1482     # Determine if we are using gcc.
1483     cat > conftest.c <<EOF
1484 #ifdef __GNUC__
1485   yes;
1486 #endif
1487 EOF
1488     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1489       cc_prog_is_gcc=yes
1490     fi
1491     rm -f conftest.c
1492     if test -z "${CFLAGS}"; then
1493       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1494       # is set to a version of gcc.
1495       if test "$cc_prog_is_gcc" = yes; then
1496         echo 'void f(){}' > conftest.c
1497         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1498           CFLAGS=${CFLAGS-"-g -O2"}
1499           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1500         else
1501           CFLAGS=${CFLAGS-"-O2"}
1502           CXXFLAGS=${CXXFLAGS-"-O2"}
1503         fi
1504         rm -f conftest*
1505       fi
1506     fi
1507   fi
1508
1509   # We must set the default linker to the linker used by gcc for the correct
1510   # operation of libtool.  If LD is not defined and we are using gcc, try to
1511   # set the LD default to the ld used by gcc.
1512   if test -z "$LD"; then
1513     if test "$cc_prog_is_gcc" = yes; then
1514       case $build in
1515       *-*-mingw*)
1516         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1517       *)
1518         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1519       esac
1520       case $gcc_prog_ld in
1521       # Accept absolute paths.
1522       [[\\/]* | [A-Za-z]:[\\/]*)]
1523         LD="$gcc_prog_ld" ;;
1524       esac
1525     fi
1526   fi
1527
1528   CXX=${CXX-"c++"}
1529   CFLAGS=${CFLAGS-"-g"}
1530   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1531 fi
1532
1533 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1534 # Set up the list of links to be made.
1535 # ${links} is the list of link names, and ${files} is the list of names to link to.
1536
1537 # Make the links.
1538 configlinks="${links}"
1539 if test -r ./config.status  ; then
1540   mv -f ./config.status ./config.back
1541 fi
1542 while test -n "${files}" ; do
1543   # set file to car of files, files to cdr of files
1544   set ${files}; file=$1; shift; files=$*
1545   set ${links}; link=$1; shift; links=$*
1546
1547   if test ! -r ${srcdir}/${file} ; then
1548     if test ! -r ${file} ; then
1549       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1550       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1551       exit 1
1552     else
1553       srcfile=${file}
1554     fi
1555   else
1556     srcfile=${srcdir}/${file}
1557   fi
1558
1559   ${remove} -f ${link}
1560   # Make a symlink if possible, otherwise try a hard link
1561   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1562     true
1563   else
1564     # We need to re-remove the file because Lynx leaves a
1565     # very strange directory there when it fails an NFS symlink.
1566     ${remove} -r -f ${link}
1567     ${hard_link} ${srcfile} ${link}
1568   fi
1569   if test ! -r ${link} ; then
1570     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1571     exit 1
1572   fi
1573
1574   echo "Linked \"${link}\" to \"${srcfile}\"."
1575 done
1576
1577 # Create a .gdbinit file which runs the one in srcdir
1578 # and tells GDB to look there for source files.
1579
1580 if test -r ${srcdir}/.gdbinit ; then
1581   case ${srcdir} in
1582     .) ;;
1583     *) cat > ./.gdbinit <<EOF
1584 # ${NO_EDIT}
1585 dir ${srcdir}
1586 dir .
1587 source ${srcdir}/.gdbinit
1588 EOF
1589     ;;
1590   esac
1591 fi
1592
1593 # record if we want runtime library stuff installed in libsubdir.
1594 # Blank means no.
1595 if test -z "${enable_version_specific_runtime_libs}"; then
1596   enable_version_specific_runtime_libs=no
1597 fi
1598
1599 # Make sure that the compiler is able to generate an executable.  If it
1600 # can't, we are probably in trouble.  We don't care whether we can run the
1601 # executable--we might be using a cross compiler--we only care whether it
1602 # can be created.  At this point the main configure script has set CC.
1603 we_are_ok=no
1604 echo "int main () { return 0; }" > conftest.c
1605 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1606 if test $? = 0 ; then
1607   if test -s conftest || test -s conftest.exe ; then
1608     we_are_ok=yes
1609   fi
1610 fi
1611 case $we_are_ok in
1612   no)
1613     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1614     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1615     rm -f conftest*
1616     exit 1
1617     ;;
1618 esac
1619 rm -f conftest*
1620
1621 # The Solaris /usr/ucb/cc compiler does not appear to work.
1622 case "${host}" in
1623   sparc-sun-solaris2*)
1624       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1625       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1626           could_use=
1627           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1628           if test -d /opt/cygnus/bin ; then
1629               if test "$could_use" = "" ; then
1630                   could_use="/opt/cygnus/bin"
1631               else
1632                   could_use="$could_use or /opt/cygnus/bin"
1633               fi
1634           fi
1635         if test "$could_use" = "" ; then
1636             echo "Warning: compilation may fail because you're using"
1637             echo "/usr/ucb/cc.  You should change your PATH or CC "
1638             echo "variable and rerun configure."
1639         else
1640             echo "Warning: compilation may fail because you're using"
1641             echo "/usr/ucb/cc, when you should use the C compiler from"
1642             echo "$could_use.  You should change your"
1643             echo "PATH or CC variable and rerun configure."
1644         fi
1645       fi
1646   ;;
1647 esac
1648
1649 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1650 # binutils tools will find libbfd.so.
1651 if test "${shared}" = "yes" ; then
1652   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1653 else
1654   SET_LIB_PATH=
1655 fi
1656
1657
1658 case "${host}" in
1659   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1660   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1661 esac
1662
1663 # Record target_configdirs and the configure arguments for target and
1664 # build configuration in Makefile.
1665 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1666
1667 # This is the final value for target_configdirs.  configdirs already
1668 # has its final value.  It's time to create some lists of valid targets.
1669
1670 all_build_modules=
1671 configure_build_modules=
1672 # Only make build modules if build != host.
1673 # This should be done more generally, but at the moment it doesn't matter.
1674 if test ${host_alias} != ${build_alias} ; then
1675   all_build_modules=all-build-libiberty
1676   configure_build_modules=configure-build-libiberty
1677 fi
1678
1679 all_host_modules=
1680 check_host_modules=
1681 install_host_modules=
1682 configure_host_modules=
1683 for module in ${configdirs} ; do
1684   all_host_modules="${all_host_modules} all-${module}"
1685   check_host_modules="${check_host_modules} check-${module}"
1686   install_host_modules="${install_host_modules} install-${module}"
1687   configure_host_modules="${configure_host_modules} configure-${module}"
1688 done
1689 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1690
1691 all_target_modules=
1692 check_target_modules=
1693 install_target_modules=
1694 configure_target_modules=
1695 for module in ${target_configdirs} ; do
1696   all_target_modules="${all_target_modules} all-target-${module}"
1697   check_target_modules="${check_target_modules} check-target-${module}"
1698   install_target_modules="${install_target_modules} install-target-${module}"
1699   configure_target_modules="${configure_target_modules} configure-target-${module}"
1700 done
1701
1702 # Determine whether gdb needs tk/tcl or not.
1703 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1704 # and in that case we want gdb to be built without tk.  Ugh!
1705 # In fact I believe gdb is the *only* package directly dependent on tk,
1706 # so we should be able to put the 'maybe's in unconditionally and
1707 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1708 # 100% sure that that's safe though.
1709 case "$enable_gdbtk" in
1710   no)
1711     GDB_TK="" ;;
1712   *)
1713     GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
1714 esac
1715
1716 # Create the 'maybe dependencies'.  This uses a temporary file.
1717 rm -f maybedep.tmp
1718 echo '# maybedep.tmp' > maybedep.tmp
1719 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1720         ${install_host_modules} ${install_target_modules} \
1721         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1722         ; do
1723   echo "maybe-${item}: ${item}" >> maybedep.tmp
1724 done
1725 maybe_dependencies=maybedep.tmp
1726 AC_SUBST_FILE(maybe_dependencies)
1727
1728 # Create the serialization dependencies.  This uses a temporary file.
1729
1730 AC_ARG_ENABLE([serial-configure],
1731 [  --disable-serial-[{host,target,build}-]configure
1732                           Don't force sequential configuration of
1733                           sub-packages for the host, target or build
1734                           machine, or of any sub-packages at all])
1735
1736 # These force 'configure's to be done one at a time, to avoid problems
1737 # with contention over a shared config.cache.
1738 rm -f serdep.tmp
1739 echo '# serdep.tmp' > serdep.tmp
1740 olditem=
1741 test "x${enable_serial_configure}" = xno ||
1742 test "x${enable_serial_build_configure}" = xno ||
1743 for item in ${build_configdirs} ; do
1744   case ${olditem} in
1745     "") ;;
1746     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1747   esac
1748   olditem=${item}
1749 done
1750 olditem=
1751 test "x${enable_serial_configure}" = xno ||
1752 test "x${enable_serial_host_configure}" = xno ||
1753 for item in ${configdirs} ; do
1754   case ${olditem} in
1755     "") ;;
1756     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1757   esac
1758   olditem=${item}
1759 done
1760 olditem=
1761 test "x${enable_serial_configure}" = xno ||
1762 test "x${enable_serial_target_configure}" = xno ||
1763 for item in ${target_configdirs} ; do
1764   case ${olditem} in
1765     "") ;;
1766     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1767   esac
1768   olditem=${item}
1769 done
1770 serialization_dependencies=serdep.tmp
1771 AC_SUBST_FILE(serialization_dependencies)
1772
1773 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1774 # target and nonopt.  These are the ones we might not want to pass
1775 # down to subconfigures.
1776 baseargs=`echo " ${ac_configure_args} " | \
1777         sed -e 's/ --no[[^ ]]* / /' \
1778             -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
1779             -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
1780             -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
1781             -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
1782             -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
1783             -e 's/ [[^ -][^ ]*] / /' \
1784             -e 's/^ *//;s/ *$//'`
1785
1786 # For the build-side libraries, we just need to pretend we're native,
1787 # and not use the same cache file.  Multilibs are neither needed nor
1788 # desired.
1789 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1790
1791 # For host modules, accept cache file option, or specification as blank.
1792 case "${cache_file}" in
1793 "") # empty
1794   cache_file_option="" ;;
1795 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1796   cache_file_option="--cache-file=${cache_file}" ;;
1797 *) # relative path
1798   cache_file_option="--cache-file=../${cache_file}" ;;
1799 esac
1800
1801 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1802
1803 target_configargs=${baseargs}
1804
1805 # Passing a --with-cross-host argument lets the target libraries know
1806 # whether they are being built with a cross-compiler or being built
1807 # native.  However, it would be better to use other mechanisms to make the
1808 # sorts of decisions they want to make on this basis.  Please consider
1809 # this option to be deprecated.  FIXME.
1810 if test x${is_cross_compiler} = xyes ; then
1811   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1812 fi
1813
1814 # Default to --enable-multilib.
1815 if test x${enable_multilib} = x ; then
1816   target_configargs="--enable-multilib ${target_configargs}"
1817 fi
1818
1819 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1820 # changed from the earlier setting of with_newlib.
1821 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1822   target_configargs="--with-newlib ${target_configargs}"
1823 fi
1824
1825 # Pass the appropriate --host, --build, and --cache-file arguments.
1826 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1827
1828 # provide a proper gxx_include_dir.
1829 # Note, if you change the default, make sure to fix both here and in
1830 # the gcc and libstdc++-v3 subdirectories.
1831 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1832 gxx_include_dir=
1833 if test -n "${with_gxx_include_dir}"; then
1834   case "${with_gxx_include_dir}" in
1835     yes )
1836       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1837       exit 1
1838       ;;
1839     no )
1840       ;;
1841     * )
1842       gxx_include_dir=${with_gxx_include_dir}
1843       ;;
1844   esac
1845 fi
1846 if test x${gxx_include_dir} = x; then
1847   if test x${enable_version_specific_runtime_libs} = xyes; then
1848     gxx_include_dir='${libsubdir}/include/c++'
1849   else
1850     . ${srcdir}/config.if
1851     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1852   fi
1853 else
1854   gxx_include_dir=${gxx_include_dir}
1855 fi
1856
1857 FLAGS_FOR_TARGET=
1858 case " $target_configdirs " in
1859  *" newlib "*)
1860   case " $target_configargs " in
1861   *" --with-newlib "*)
1862    case "$target" in
1863    *-cygwin*)
1864      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' ;;
1865    esac
1866
1867    # If we're not building GCC, don't discard standard headers.
1868    if test -d ${srcdir}/gcc; then
1869      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1870
1871      if test "${build}" != "${host}"; then
1872        # On Canadian crosses, CC_FOR_TARGET will have already been set
1873        # by `configure', so we won't have an opportunity to add -Bgcc/
1874        # to it.  This is right: we don't want to search that directory
1875        # for binaries, but we want the header files in there, so add
1876        # them explicitly.
1877        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1878
1879        # Someone might think of using the pre-installed headers on
1880        # Canadian crosses, in case the installed compiler is not fully
1881        # compatible with the compiler being built.  In this case, it
1882        # would be better to flag an error than risking having
1883        # incompatible object files being constructed.  We can't
1884        # guarantee that an error will be flagged, but let's hope the
1885        # compiler will do it, when presented with incompatible header
1886        # files.
1887      fi
1888    fi
1889
1890    case "${target}-${is_cross_compiler}" in
1891    i[[3456]]86-*-linux*-no)
1892       # Here host == target, so we don't need to build gcc,
1893       # so we don't want to discard standard headers.
1894       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1895       ;;
1896    *)
1897       # If we're building newlib, use its generic headers last, but search
1898       # for any libc-related directories first (so make it the last -B
1899       # switch).
1900       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1901       ;;
1902    esac
1903    ;;
1904   esac
1905   ;;
1906 esac
1907
1908 # On Canadian crosses, we'll be searching the right directories for
1909 # the previously-installed cross compiler, so don't bother to add
1910 # flags for directories within the install tree of the compiler
1911 # being built; programs in there won't even run.
1912 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1913   # Search for pre-installed headers if nothing else fits.
1914   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1915 fi
1916
1917 if test "x${use_gnu_ld}" = x &&
1918    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1919   # Arrange for us to find uninstalled linker scripts.
1920   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1921 fi
1922
1923 if test "x${CC_FOR_TARGET+set}" = xset; then
1924   :
1925 elif test -d ${srcdir}/gcc; then
1926   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1927 elif test "$host" = "$target"; then
1928   CC_FOR_TARGET='$(CC)'
1929 else
1930   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1931 fi
1932 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1933
1934 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1935   :
1936 elif test -d ${srcdir}/gcc; then
1937   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1938 elif test "$host" = "$target"; then
1939   GCJ_FOR_TARGET='gcj'
1940 else
1941   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1942 fi
1943 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1944
1945 # Don't use libstdc++-v3's flags to configure/build itself.
1946 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1947 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1948
1949 if test "x${CXX_FOR_TARGET+set}" = xset; then
1950   :
1951 elif test -d ${srcdir}/gcc; then
1952   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1953   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1954   # default whereas gcc does not.
1955   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1956   # all other cases.
1957   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1958   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1959 elif test "$host" = "$target"; then
1960   CXX_FOR_TARGET='$(CXX)'
1961   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1962 else
1963   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1964   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1965 fi
1966 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1967 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1968
1969 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1970 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1971
1972 # We want to defer the evaluation of `cmd`s and shell variables in
1973 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1974 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1975 # quotes, but we still have to duplicate `$'s so that shell variables
1976 # can be expanded by the nested make as shell variables, not as make
1977 # macros.
1978 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1979 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1980
1981 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1982 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1983 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1984 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1985 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1986 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1987 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1988
1989 # Makefile fragments.
1990 host_makefile_frag=${srcdir}/${host_makefile_frag}
1991 target_makefile_frag=${srcdir}/${target_makefile_frag}
1992 alphaieee_frag=${srcdir}/${alphaieee_frag}
1993 ospace_frag=${srcdir}/${ospace_frag}
1994 AC_SUBST_FILE(host_makefile_frag)
1995 AC_SUBST_FILE(target_makefile_frag)
1996 AC_SUBST_FILE(alphaieee_frag)
1997 AC_SUBST_FILE(ospace_frag)
1998
1999 # Miscellanea: directories, flags, etc.
2000 AC_SUBST(SET_LIB_PATH)
2001 AC_SUBST(RPATH_ENVVAR)
2002 AC_SUBST(BUILD_PREFIX)
2003 AC_SUBST(BUILD_PREFIX_1)
2004 AC_SUBST(configlinks)
2005 AC_SUBST(enable_shared)
2006 AC_SUBST(enable_threads)
2007 AC_SUBST(enable_version_specific_runtime_libs)
2008 AC_SUBST(gcc_version_trigger)
2009 AC_SUBST(gcc_version)
2010 AC_SUBST(tooldir)
2011 AC_SUBST(build_tooldir)
2012 AC_SUBST(GDB_TK)
2013 AC_SUBST(gxx_include_dir)
2014 AC_SUBST(libstdcxx_incdir)
2015
2016 # Build module lists & subconfigure args.
2017 AC_SUBST(build_subdir)
2018 AC_SUBST(build_configargs)
2019 AC_SUBST(configure_build_modules)
2020 AC_SUBST(all_build_modules)
2021
2022 # Host module lists & subconfigure args.
2023 AC_SUBST(host_configargs)
2024 AC_SUBST(configdirs)
2025 AC_SUBST(configure_host_modules)
2026 AC_SUBST(all_host_modules)
2027 AC_SUBST(check_host_modules)
2028 AC_SUBST(install_host_modules)
2029 AC_SUBST(install_host_modules_nogcc)
2030
2031 # Target module lists & subconfigure args.
2032 AC_SUBST(target_subdir)
2033 AC_SUBST(target_configargs)
2034 AC_SUBST(target_configdirs)
2035 AC_SUBST(configure_target_modules)
2036 AC_SUBST(all_target_modules)
2037 AC_SUBST(check_target_modules)
2038 AC_SUBST(install_target_modules)
2039
2040 # Build tools.
2041 AC_SUBST(BISON)
2042 AC_SUBST(CC_FOR_BUILD)
2043 AC_SUBST(LEX)
2044 AC_SUBST(MAKEINFO)
2045 AC_SUBST(YACC)
2046 AC_SUBST(config_shell)
2047
2048 # Host tools.
2049 NCN_STRICT_CHECK_TOOL(AR, ar)
2050 NCN_STRICT_CHECK_TOOL(AS, as)
2051 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2052 NCN_STRICT_CHECK_TOOL(LD, ld)
2053 NCN_STRICT_CHECK_TOOL(NM, nm)
2054 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2055 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2056 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2057 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2058 AC_SUBST(CC)
2059 AC_SUBST(CXX)
2060 AC_SUBST(CFLAGS)
2061 AC_SUBST(CXXFLAGS)
2062 AC_SUBST(DEFAULT_YACC)
2063 AC_SUBST(DEFAULT_LEX)
2064 AC_SUBST(DEFAULT_M4)
2065
2066 # Target tools.
2067 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2068 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2069 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2070 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2071 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2072 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2073 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2074
2075 AC_SUBST(GCC_FOR_TARGET)
2076 AC_SUBST(FLAGS_FOR_TARGET)
2077 AC_SUBST(CC_FOR_TARGET)
2078 AC_SUBST(GCJ_FOR_TARGET)
2079 AC_SUBST(CXX_FOR_TARGET)
2080 AC_SUBST(RAW_CXX_FOR_TARGET)
2081 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2082 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2083
2084 # Fix up target tools.
2085 if test "x${build}" = "x${host}" ; then
2086   # In this case, the newly built tools can and should be used,
2087   # so we override the results of the autoconf tests.
2088   # This should really only happen when the tools are actually being built,
2089   # but that's a further refinement.  The new build scheme, where
2090   # tools are built into a structure paralleling where they're installed,
2091   # should also eliminate all of this cleanly.
2092   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2093   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2094   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2095   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2096   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2097   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2098   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2099 fi
2100 # Certain tools may need extra flags.
2101 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2102 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2103 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2104
2105 AC_OUTPUT(Makefile)