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=${LEX-flex}
1438   fi
1439
1440 else
1441   # Set reasonable default values for some tools even if not Canadian.
1442   # Of course, these are different reasonable default values, originally
1443   # specified directly in the Makefile.
1444   # We don't export, so that autoconf can do its job.
1445   # Note that all these settings are above the fragment inclusion point
1446   # in Makefile.in, so can still be overridden by fragments.
1447   # This is all going to change when we autoconfiscate...
1448
1449   BISON="\$(USUAL_BISON)"
1450   CC_FOR_BUILD="\$(CC)"
1451   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1452   BUILD_PREFIX=
1453   BUILD_PREFIX_1=loser-
1454   MAKEINFO="\$(USUAL_MAKEINFO)"
1455   LEX="\$(USUAL_LEX)"
1456   YACC="\$(USUAL_YACC)"
1457
1458   # If CC is still not set, try to get gcc.
1459   if test -z "${CC}" ; then
1460     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1461     for dir in $PATH; do
1462       test -z "$dir" && dir=.
1463       if test -f $dir/gcc; then
1464         CC="gcc"
1465         echo 'void f(){}' > conftest.c
1466         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1467           CFLAGS=${CFLAGS-"-g -O2"}
1468           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1469         else
1470           CFLAGS=${CFLAGS-"-O2"}
1471           CXXFLAGS=${CXXFLAGS-"-O2"}
1472         fi
1473         rm -f conftest*
1474         break
1475       fi
1476     done
1477     IFS="$save_ifs"
1478     CC=${CC-cc}
1479   else
1480     if test -z "${CFLAGS}"; then
1481       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1482       # is set to a version of gcc.
1483       case "${CC}" in
1484       *gcc)
1485         echo 'void f(){}' > conftest.c
1486         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1487           CFLAGS=${CFLAGS-"-g -O2"}
1488           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1489         else
1490           CFLAGS=${CFLAGS-"-O2"}
1491           CXXFLAGS=${CXXFLAGS-"-O2"}
1492         fi
1493         rm -f conftest*
1494         ;;
1495       esac
1496     fi
1497   fi
1498
1499   CXX=${CXX-"c++"}
1500   CFLAGS=${CFLAGS-"-g"}
1501   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1502 fi
1503
1504 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1505 # Set up the list of links to be made.
1506 # ${links} is the list of link names, and ${files} is the list of names to link to.
1507
1508 # Make the links.
1509 configlinks="${links}"
1510 if test -r ./config.status  ; then
1511   mv -f ./config.status ./config.back
1512 fi
1513 while test -n "${files}" ; do
1514   # set file to car of files, files to cdr of files
1515   set ${files}; file=$1; shift; files=$*
1516   set ${links}; link=$1; shift; links=$*
1517
1518   if test ! -r ${srcdir}/${file} ; then
1519     if test ! -r ${file} ; then
1520       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1521       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1522       exit 1
1523     else
1524       srcfile=${file}
1525     fi
1526   else
1527     srcfile=${srcdir}/${file}
1528   fi
1529
1530   ${remove} -f ${link}
1531   # Make a symlink if possible, otherwise try a hard link
1532   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1533     true
1534   else
1535     # We need to re-remove the file because Lynx leaves a
1536     # very strange directory there when it fails an NFS symlink.
1537     ${remove} -r -f ${link}
1538     ${hard_link} ${srcfile} ${link}
1539   fi
1540   if test ! -r ${link} ; then
1541     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1542     exit 1
1543   fi
1544
1545   echo "Linked \"${link}\" to \"${srcfile}\"."
1546 done
1547
1548 # Create a .gdbinit file which runs the one in srcdir
1549 # and tells GDB to look there for source files.
1550
1551 if test -r ${srcdir}/.gdbinit ; then
1552   case ${srcdir} in
1553     .) ;;
1554     *) cat > ./.gdbinit <<EOF
1555 # ${NO_EDIT}
1556 dir ${srcdir}
1557 dir .
1558 source ${srcdir}/.gdbinit
1559 EOF
1560     ;;
1561   esac
1562 fi
1563
1564 # record if we want runtime library stuff installed in libsubdir.
1565 # Blank means no.
1566 if test -z "${enable_version_specific_runtime_libs}"; then
1567   enable_version_specific_runtime_libs=no
1568 fi
1569
1570 # Make sure that the compiler is able to generate an executable.  If it
1571 # can't, we are probably in trouble.  We don't care whether we can run the
1572 # executable--we might be using a cross compiler--we only care whether it
1573 # can be created.  At this point the main configure script has set CC.
1574 we_are_ok=no
1575 echo "int main () { return 0; }" > conftest.c
1576 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1577 if test $? = 0 ; then
1578   if test -s conftest || test -s conftest.exe ; then
1579     we_are_ok=yes
1580   fi
1581 fi
1582 case $we_are_ok in
1583   no)
1584     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1585     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1586     rm -f conftest*
1587     exit 1
1588     ;;
1589 esac
1590 rm -f conftest*
1591
1592 # The Solaris /usr/ucb/cc compiler does not appear to work.
1593 case "${host}" in
1594   sparc-sun-solaris2*)
1595       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1596       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1597           could_use=
1598           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1599           if test -d /opt/cygnus/bin ; then
1600               if test "$could_use" = "" ; then
1601                   could_use="/opt/cygnus/bin"
1602               else
1603                   could_use="$could_use or /opt/cygnus/bin"
1604               fi
1605           fi
1606         if test "$could_use" = "" ; then
1607             echo "Warning: compilation may fail because you're using"
1608             echo "/usr/ucb/cc.  You should change your PATH or CC "
1609             echo "variable and rerun configure."
1610         else
1611             echo "Warning: compilation may fail because you're using"
1612             echo "/usr/ucb/cc, when you should use the C compiler from"
1613             echo "$could_use.  You should change your"
1614             echo "PATH or CC variable and rerun configure."
1615         fi
1616       fi
1617   ;;
1618 esac
1619
1620 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1621 # binutils tools will find libbfd.so.
1622 if test "${shared}" = "yes" ; then
1623   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1624 else
1625   SET_LIB_PATH=
1626 fi
1627
1628
1629 case "${host}" in
1630   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1631   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1632 esac
1633
1634 # Record target_configdirs and the configure arguments for target and
1635 # build configuration in Makefile.
1636 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1637
1638 # This is the final value for target_configdirs.  configdirs already
1639 # has its final value.  It's time to create some lists of valid targets.
1640
1641 all_build_modules=
1642 configure_build_modules=
1643 # Only make build modules if build != host.
1644 # This should be done more generally, but at the moment it doesn't matter.
1645 if test ${host_alias} != ${build_alias} ; then
1646   all_build_modules=all-build-libiberty
1647   configure_build_modules=configure-build-libiberty
1648 fi
1649
1650 all_host_modules=
1651 check_host_modules=
1652 install_host_modules=
1653 configure_host_modules=
1654 for module in ${configdirs} ; do
1655   all_host_modules="${all_host_modules} all-${module}"
1656   check_host_modules="${check_host_modules} check-${module}"
1657   install_host_modules="${install_host_modules} install-${module}"
1658   configure_host_modules="${configure_host_modules} configure-${module}"
1659 done
1660 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1661
1662 all_target_modules=
1663 check_target_modules=
1664 install_target_modules=
1665 configure_target_modules=
1666 for module in ${target_configdirs} ; do
1667   all_target_modules="${all_target_modules} all-target-${module}"
1668   check_target_modules="${check_target_modules} check-target-${module}"
1669   install_target_modules="${install_target_modules} install-target-${module}"
1670   configure_target_modules="${configure_target_modules} configure-target-${module}"
1671 done
1672
1673 # Determine whether gdb needs tk/tcl or not.
1674 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1675 # and in that case we want gdb to be built without tk.  Ugh!
1676 # In fact I believe gdb is the *only* package directly dependent on tk,
1677 # so we should be able to put the 'maybe's in unconditionally and
1678 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1679 # 100% sure that that's safe though.
1680 case "$enable_gdbtk" in
1681   no)
1682     GDB_TK="" ;;
1683   *)
1684     GDB_TK="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui" ;;
1685 esac
1686
1687 # Create the 'maybe dependencies'.  This uses a temporary file.
1688 rm -f maybedep.tmp
1689 echo '# maybedep.tmp' > maybedep.tmp
1690 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1691         ${install_host_modules} ${install_target_modules} \
1692         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1693         ; do
1694   echo "maybe-${item}: ${item}" >> maybedep.tmp
1695 done
1696 maybe_dependencies=maybedep.tmp
1697 AC_SUBST_FILE(maybe_dependencies)
1698
1699 # Create the serialization dependencies.  This uses a temporary file.
1700
1701 AC_ARG_ENABLE([serial-configure],
1702 [  --disable-serial-[{host,target,build}-]configure
1703                           Don't force sequential configuration of
1704                           sub-packages for the host, target or build
1705                           machine, or of any sub-packages at all])
1706
1707 # These force 'configure's to be done one at a time, to avoid problems
1708 # with contention over a shared config.cache.
1709 rm -f serdep.tmp
1710 echo '# serdep.tmp' > serdep.tmp
1711 olditem=
1712 test "x${enable_serial_configure}" = xno ||
1713 test "x${enable_serial_build_configure}" = xno ||
1714 for item in ${build_configdirs} ; do
1715   case ${olditem} in
1716     "") ;;
1717     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1718   esac
1719   olditem=${item}
1720 done
1721 olditem=
1722 test "x${enable_serial_configure}" = xno ||
1723 test "x${enable_serial_host_configure}" = xno ||
1724 for item in ${configdirs} ; do
1725   case ${olditem} in
1726     "") ;;
1727     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1728   esac
1729   olditem=${item}
1730 done
1731 olditem=
1732 test "x${enable_serial_configure}" = xno ||
1733 test "x${enable_serial_target_configure}" = xno ||
1734 for item in ${target_configdirs} ; do
1735   case ${olditem} in
1736     "") ;;
1737     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1738   esac
1739   olditem=${item}
1740 done
1741 serialization_dependencies=serdep.tmp
1742 AC_SUBST_FILE(serialization_dependencies)
1743
1744 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1745 # target and nonopt.  These are the ones we might not want to pass
1746 # down to subconfigures.
1747 baseargs=`echo " ${ac_configure_args} " | \
1748         sed -e 's/ --no[[^ ]]* / /' \
1749             -e 's/ --cache[[a-z-]]*=[[^ ]]* / /' \
1750             -e 's/ --sr[[a-z-]]*=[[^ ]]* / /' \
1751             -e 's/ --ho[[a-z-]]*=[[^ ]]* / /' \
1752             -e 's/ --bu[[a-z-]]*=[[^ ]]* / /' \
1753             -e 's/ --ta[[a-z-]]*=[[^ ]]* / /' \
1754             -e 's/ [[^-][^ ]*] / /' \
1755             -e 's/^ *//;s/ *$//'`
1756
1757 # For the build-side libraries, we just need to pretend we're native,
1758 # and not use the same cache file.  Multilibs are neither needed nor
1759 # desired.
1760 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1761
1762 # For host modules, accept cache file option, or specification as blank.
1763 case "${cache_file}" in
1764 "") # empty
1765   cache_file_option="" ;;
1766 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1767   cache_file_option="--cache-file=${cache_file}" ;;
1768 *) # relative path
1769   cache_file_option="--cache-file=../${cache_file}" ;;
1770 esac
1771
1772 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1773
1774 target_configargs=${baseargs}
1775
1776 # Passing a --with-cross-host argument lets the target libraries know
1777 # whether they are being built with a cross-compiler or being built
1778 # native.  However, it would be better to use other mechanisms to make the
1779 # sorts of decisions they want to make on this basis.  Please consider
1780 # this option to be deprecated.  FIXME.
1781 if test x${is_cross_compiler} = xyes ; then
1782   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1783 fi
1784
1785 # Default to --enable-multilib.
1786 if test x${enable_multilib} = x ; then
1787   target_configargs="--enable-multilib ${target_configargs}"
1788 fi
1789
1790 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1791 # changed from the earlier setting of with_newlib.
1792 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1793   target_configargs="--with-newlib ${target_configargs}"
1794 fi
1795
1796 # Pass the appropriate --host, --build, and --cache-file arguments.
1797 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1798
1799 # provide a proper gxx_include_dir.
1800 # Note, if you change the default, make sure to fix both here and in
1801 # the gcc and libstdc++-v3 subdirectories.
1802 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1803 gxx_include_dir=
1804 if test -n "${with_gxx_include_dir}"; then
1805   case "${with_gxx_include_dir}" in
1806     yes )
1807       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1808       exit 1
1809       ;;
1810     no )
1811       ;;
1812     * )
1813       gxx_include_dir=${with_gxx_include_dir}
1814       ;;
1815   esac
1816 fi
1817 if test x${gxx_include_dir} = x; then
1818   if test x${enable_version_specific_runtime_libs} = xyes; then
1819     gxx_include_dir='${libsubdir}/include/c++'
1820   else
1821     . ${srcdir}/config.if
1822     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1823   fi
1824 else
1825   gxx_include_dir=${gxx_include_dir}
1826 fi
1827
1828 FLAGS_FOR_TARGET=
1829 case " $target_configdirs " in
1830  *" newlib "*)
1831   case " $target_configargs " in
1832   *" --with-newlib "*)
1833    case "$target" in
1834    *-cygwin*)
1835      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' ;;
1836    esac
1837
1838    # If we're not building GCC, don't discard standard headers.
1839    if test -d ${srcdir}/gcc; then
1840      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1841
1842      if test "${build}" != "${host}"; then
1843        # On Canadian crosses, CC_FOR_TARGET will have already been set
1844        # by `configure', so we won't have an opportunity to add -Bgcc/
1845        # to it.  This is right: we don't want to search that directory
1846        # for binaries, but we want the header files in there, so add
1847        # them explicitly.
1848        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1849
1850        # Someone might think of using the pre-installed headers on
1851        # Canadian crosses, in case the installed compiler is not fully
1852        # compatible with the compiler being built.  In this case, it
1853        # would be better to flag an error than risking having
1854        # incompatible object files being constructed.  We can't
1855        # guarantee that an error will be flagged, but let's hope the
1856        # compiler will do it, when presented with incompatible header
1857        # files.
1858      fi
1859    fi
1860
1861    case "${target}-${is_cross_compiler}" in
1862    i[[3456]]86-*-linux*-no)
1863       # Here host == target, so we don't need to build gcc,
1864       # so we don't want to discard standard headers.
1865       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1866       ;;
1867    *)
1868       # If we're building newlib, use its generic headers last, but search
1869       # for any libc-related directories first (so make it the last -B
1870       # switch).
1871       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1872       ;;
1873    esac
1874    ;;
1875   esac
1876   ;;
1877 esac
1878
1879 # On Canadian crosses, we'll be searching the right directories for
1880 # the previously-installed cross compiler, so don't bother to add
1881 # flags for directories within the install tree of the compiler
1882 # being built; programs in there won't even run.
1883 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1884   # Search for pre-installed headers if nothing else fits.
1885   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1886 fi
1887
1888 if test "x${use_gnu_ld}" = x &&
1889    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1890   # Arrange for us to find uninstalled linker scripts.
1891   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1892 fi
1893
1894 if test "x${CC_FOR_TARGET+set}" = xset; then
1895   :
1896 elif test -d ${srcdir}/gcc; then
1897   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1898 elif test "$host" = "$target"; then
1899   CC_FOR_TARGET='$(CC)'
1900 else
1901   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1902 fi
1903 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1904
1905 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1906   :
1907 elif test -d ${srcdir}/gcc; then
1908   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1909 elif test "$host" = "$target"; then
1910   GCJ_FOR_TARGET='gcj'
1911 else
1912   GCJ_FOR_TARGET=`echo gcj | sed -e 's/x/x/' ${program_transform_name}`
1913 fi
1914 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1915
1916 # Don't use libstdc++-v3's flags to configure/build itself.
1917 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1918 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1919
1920 if test "x${CXX_FOR_TARGET+set}" = xset; then
1921   :
1922 elif test -d ${srcdir}/gcc; then
1923   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1924   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1925   # default whereas gcc does not.
1926   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1927   # all other cases.
1928   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1929   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1930 elif test "$host" = "$target"; then
1931   CXX_FOR_TARGET='$(CXX)'
1932   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1933 else
1934   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1935   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1936 fi
1937 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1938 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1939
1940 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1941 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1942
1943 # We want to defer the evaluation of `cmd`s and shell variables in
1944 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1945 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1946 # quotes, but we still have to duplicate `$'s so that shell variables
1947 # can be expanded by the nested make as shell variables, not as make
1948 # macros.
1949 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1950 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1951
1952 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1953 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1954 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1955 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1956 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1957 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1958 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1959
1960 # Makefile fragments.
1961 host_makefile_frag=${srcdir}/${host_makefile_frag}
1962 target_makefile_frag=${srcdir}/${target_makefile_frag}
1963 alphaieee_frag=${srcdir}/${alphaieee_frag}
1964 ospace_frag=${srcdir}/${ospace_frag}
1965 AC_SUBST_FILE(host_makefile_frag)
1966 AC_SUBST_FILE(target_makefile_frag)
1967 AC_SUBST_FILE(alphaieee_frag)
1968 AC_SUBST_FILE(ospace_frag)
1969
1970 # Miscellanea: directories, flags, etc.
1971 AC_SUBST(SET_LIB_PATH)
1972 AC_SUBST(RPATH_ENVVAR)
1973 AC_SUBST(BUILD_PREFIX)
1974 AC_SUBST(BUILD_PREFIX_1)
1975 AC_SUBST(configlinks)
1976 AC_SUBST(enable_shared)
1977 AC_SUBST(enable_threads)
1978 AC_SUBST(enable_version_specific_runtime_libs)
1979 AC_SUBST(gcc_version_trigger)
1980 AC_SUBST(gcc_version)
1981 AC_SUBST(tooldir)
1982 AC_SUBST(build_tooldir)
1983 AC_SUBST(GDB_TK)
1984 AC_SUBST(gxx_include_dir)
1985 AC_SUBST(libstdcxx_incdir)
1986
1987 # Build module lists & subconfigure args.
1988 AC_SUBST(build_subdir)
1989 AC_SUBST(build_configargs)
1990 AC_SUBST(configure_build_modules)
1991 AC_SUBST(all_build_modules)
1992
1993 # Host module lists & subconfigure args.
1994 AC_SUBST(host_configargs)
1995 AC_SUBST(configdirs)
1996 AC_SUBST(configure_host_modules)
1997 AC_SUBST(all_host_modules)
1998 AC_SUBST(check_host_modules)
1999 AC_SUBST(install_host_modules)
2000 AC_SUBST(install_host_modules_nogcc)
2001
2002 # Target module lists & subconfigure args.
2003 AC_SUBST(target_subdir)
2004 AC_SUBST(target_configargs)
2005 AC_SUBST(target_configdirs)
2006 AC_SUBST(configure_target_modules)
2007 AC_SUBST(all_target_modules)
2008 AC_SUBST(check_target_modules)
2009 AC_SUBST(install_target_modules)
2010
2011 # Build tools.
2012 AC_SUBST(BISON)
2013 AC_SUBST(CC_FOR_BUILD)
2014 AC_SUBST(LEX)
2015 AC_SUBST(MAKEINFO)
2016 AC_SUBST(YACC)
2017 AC_SUBST(config_shell)
2018
2019 # Host tools.
2020 NCN_STRICT_CHECK_TOOL(AR, ar)
2021 NCN_STRICT_CHECK_TOOL(AS, as)
2022 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2023 NCN_STRICT_CHECK_TOOL(LD, ld)
2024 NCN_STRICT_CHECK_TOOL(NM, nm)
2025 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2026 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2027 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2028 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2029 AC_SUBST(CC)
2030 AC_SUBST(CXX)
2031 AC_SUBST(CFLAGS)
2032 AC_SUBST(CXXFLAGS)
2033 AC_SUBST(DEFAULT_YACC)
2034 AC_SUBST(DEFAULT_LEX)
2035 AC_SUBST(DEFAULT_M4)
2036
2037 # Target tools.
2038 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2039 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2040 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2041 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2042 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2043 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2044 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2045
2046 AC_SUBST(GCC_FOR_TARGET)
2047 AC_SUBST(FLAGS_FOR_TARGET)
2048 AC_SUBST(CC_FOR_TARGET)
2049 AC_SUBST(GCJ_FOR_TARGET)
2050 AC_SUBST(CXX_FOR_TARGET)
2051 AC_SUBST(RAW_CXX_FOR_TARGET)
2052 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2053 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2054
2055 # Fix up target tools.
2056 if test "x${build}" = "x${host}" ; then
2057   # In this case, the newly built tools can and should be used,
2058   # so we override the results of the autoconf tests.
2059   # This should really only happen when the tools are actually being built,
2060   # but that's a further refinement.  The new build scheme, where
2061   # tools are built into a structure paralleling where they're installed,
2062   # should also eliminate all of this cleanly.
2063   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2064   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2065   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2066   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2067   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2068   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2069   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2070 fi
2071 # Certain tools may need extra flags.
2072 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2073 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2074 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2075
2076 AC_OUTPUT(Makefile)