configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 AC_INIT(move-if-change)
  22 AC_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 sinclude(config/acx.m4)
  27
  28 # clear some things potentially inherited from environment.
  29
  30 enable_threads=no
  31 enable_shared=no
  32 enable_libstdcxx_v3=yes
  33 floating_point=default
  34 gas=default
  35 x11=default
  36
  37 ### we might need to use some other shell than /bin/sh for running subshells
  38 ### If we are on Windows, search for the shell.  This will permit people
  39 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  40 ### without also having to set CONFIG_SHELL.  This code will work when
  41 ### using bash, which sets OSTYPE.
  42 case "${OSTYPE}" in
  43 *win32*)
  44   if test x${CONFIG_SHELL} = x ; then
  45     if test ! -f /bin/sh ; then
  46       if test x${SHELL} != x && test -f ${SHELL} ; then
  47         CONFIG_SHELL=${SHELL}
  48         export CONFIG_SHELL
  49       else
  50         for prog in sh sh.exe bash bash.exe; do
  51           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  52           for dir in $PATH; do
  53             test -z "$dir" && dir=.
  54             if test -f $dir/$prog; then
  55               CONFIG_SHELL=$dir/$prog
  56               export CONFIG_SHELL
  57               break
  58             fi
  59           done
  60           IFS="$save_ifs"
  61           test -n "${CONFIG_SHELL}" && break
  62         done
  63       fi
  64     fi
  65   fi
  66   ;;
  67 esac
  68
  69 config_shell=${CONFIG_SHELL-/bin/sh}
  70
  71 ## this is a little touchy and won't always work, but...
  72 ##
  73 ## if the argv[[0]] starts with a slash then it is an absolute name that can (and
  74 ## must) be used as is.
  75 ##
  76 ## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
  77 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  78 ##
  79
  80 progname=$0
  81 # if PWD already has a value, it is probably wrong.
  82 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  83
  84 # Export original configure arguments for use by sub-configures.
  85 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  86 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  87
  88 moveifchange=${srcdir}/move-if-change
  89
  90 # Set srcdir to "." if that's what it is.
  91 # This is important for multilib support.
  92 pwd=`${PWDCMD-pwd}`
  93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  94 if test "${pwd}" = "${srcpwd}" ; then
  95   srcdir=.
  96 fi
  97
  98 topsrcdir=$srcpwd
  99
 100 extra_host_args=
 101 # Define the trigger file to make sure configure will re-run whenever
 102 # the gcc version number changes.
 103 if test "${with_gcc_version_trigger+set}" = set ; then
 104   gcc_version_trigger="$with_gcc_version_trigger"
 105   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 106 else
 107   # If gcc's sources are available, define the trigger file.
 108   if test -f ${topsrcdir}/gcc/version.c ; then
 109     gcc_version_trigger=${topsrcdir}/gcc/version.c
 110     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 111     case "$ac_configure_args" in
 112       *--with-gcc-version-trigger=$gcc_version_trigger* )
 113         ;;
 114       * )
 115         # Add to all subconfigure arguments: build, host, and target.
 116         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 117         ;;
 118     esac
 119   fi
 120 fi
 121
 122 ### To add a new directory to the tree, first choose whether it is a target
 123 ### or a host dependent tool.  Then put it into the appropriate list
 124 ### (library or tools, host or target), doing a dependency sort.
 125
 126 # Subdirs will be configured in the order listed in build_configdirs,
 127 # configdirs, or target_configdirs; see the serialization section below.
 128
 129 # Dependency sorting is only needed when *configuration* must be done in
 130 # a particular order.  In all cases a dependency should be specified in
 131 # the Makefile, whether or not it's implicitly specified here.
 132
 133 # Double entries in build_configdirs, configdirs, or target_configdirs may
 134 # cause circular dependencies and break everything horribly.
 135
 136 # these libraries are used by various programs built for the host environment
 137 #
 138 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 139
 140 # these tools are built for the host environment
 141 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 142 # know that we are building the simulator.
 143 # binutils, gas and ld appear in that order because it makes sense to run
 144 # "make check" in that particular order.
 145 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
 146
 147 # libgcj represents the runtime libraries only used by gcj.
 148 libgcj="target-libffi \
 149         target-boehm-gc \
 150         target-zlib \
 151         target-qthreads \
 152         target-libjava"
 153
 154 # these libraries are built for the target environment, and are built after
 155 # the host libraries and the host tools (which may be a cross compiler)
 156 #
 157 target_libs="target-libiberty \
 158                 target-libgloss \
 159                 target-newlib \
 160                 target-libstdc++-v3 \
 161                 target-libf2c \
 162                 ${libgcj} \
 163                 target-libobjc"
 164
 165 # these tools are built using the target libs, and are intended to run only
 166 # in the target environment
 167 #
 168 # note: any program that *uses* libraries that are in the "target_libs"
 169 # list belongs in this list.  those programs are also very likely
 170 # candidates for the "native_only" list which follows
 171 #
 172 target_tools="target-examples target-groff target-gperf target-rda"
 173
 174 ################################################################################
 175
 176 ## All tools belong in one of the four categories, and are assigned above
 177 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 178 ## is important because configure will choke if they ever get through.
 179 ## ${configdirs} is directories we build using the host tools.
 180 ## ${target_configdirs} is directories we build using the target tools.
 181 #
 182 configdirs=`echo ${host_libs} ${host_tools}`
 183 target_configdirs=`echo ${target_libs} ${target_tools}`
 184
 185 ################################################################################
 186
 187 srcname="gnu development package"
 188
 189 # This gets set non-empty for some net releases of packages.
 190 appdirs=""
 191
 192 # Define is_cross_compiler to save on calls to 'test'.
 193 is_cross_compiler=
 194 if test x"${host}" = x"${target}" ; then
 195   is_cross_compiler=no
 196 else
 197   is_cross_compiler=yes
 198 fi
 199
 200 # We always want to use the same name for this directory, so that dejagnu
 201 # can reliably find it.
 202 target_subdir=${target_alias}
 203
 204 if test ! -d ${target_subdir} ; then
 205   if mkdir ${target_subdir} ; then true
 206   else
 207     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 208     exit 1
 209   fi
 210 fi
 211
 212 build_prefix=build-
 213 build_subdir=${build_prefix}${build_alias}
 214
 215 if test x"${build_alias}" != x"${host}" ; then
 216   if test ! -d ${build_subdir} ; then
 217     if mkdir ${build_subdir} ; then true
 218     else
 219       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 220       exit 1
 221     fi
 222   fi
 223 fi
 224
 225 # Skipdirs are removed silently.
 226 skipdirs=
 227 # Noconfigdirs are removed loudly.
 228 noconfigdirs=""
 229
 230 use_gnu_ld=
 231 # Make sure we don't let GNU ld be added if we didn't want it.
 232 if test x$with_gnu_ld = xno ; then
 233   use_gnu_ld=no
 234   noconfigdirs="$noconfigdirs ld"
 235 fi
 236
 237 use_gnu_as=
 238 # Make sure we don't let GNU as be added if we didn't want it.
 239 if test x$with_gnu_as = xno ; then
 240   use_gnu_as=no
 241   noconfigdirs="$noconfigdirs gas"
 242 fi
 243
 244 # some tools are so dependent upon X11 that if we're not building with X,
 245 # it's not even worth trying to configure, much less build, that tool.
 246
 247 case ${with_x} in
 248   yes | "") ;; # the default value for this tree is that X11 is available
 249   no)
 250     skipdirs="${skipdirs} tk tix itcl libgui"
 251     # We won't be able to build gdbtk without X.
 252     enable_gdbtk=no
 253     ;;
 254   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 255 esac
 256
 257 # Some tools are only suitable for building in a "native" situation.
 258 # Remove these if host!=target.
 259 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
 260
 261 # Similarly, some are only suitable for cross toolchains.
 262 # Remove these if host=target.
 263 cross_only="target-libgloss target-newlib target-opcodes"
 264
 265 case $is_cross_compiler in
 266   no) skipdirs="${skipdirs} ${cross_only}" ;;
 267   yes) skipdirs="${skipdirs} ${native_only}" ;;
 268 esac
 269
 270 # If both --with-headers and --with-libs are specified, default to
 271 # --without-newlib.
 272 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 273   if test x"${with_newlib}" = x ; then
 274     with_newlib=no
 275   fi
 276 fi
 277
 278 # Recognize --with-newlib/--without-newlib.
 279 case ${with_newlib} in
 280   no) skipdirs="${skipdirs} target-newlib" ;;
 281   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 282 esac
 283
 284 # Configure extra directories which are host specific
 285
 286 case "${host}" in
 287   *-cygwin*)
 288     configdirs="$configdirs libtermcap" ;;
 289 esac
 290
 291 # Remove more programs from consideration, based on the host or
 292 # target this usually means that a port of the program doesn't
 293 # exist yet.
 294
 295 case "${host}" in
 296   hppa*64*-*-*)
 297     noconfigdirs="$noconfigdirs byacc"
 298     ;;
 299   i[[3456]]86-*-vsta)
 300     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 301     ;;
 302   i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
 303     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 304         ;;
 305   i[[3456]]86-*-mingw32*)
 306     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 307      noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 308         ;;
 309   i[[3456]]86-*-beos*)
 310      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 311      ;;
 312   *-*-cygwin*)
 313      noconfigdirs="autoconf automake send-pr rcs guile perl"
 314     ;;
 315   *-*-netbsd*)
 316     noconfigdirs="rcs"
 317     ;;
 318   ppc*-*-pe)
 319      noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 320     ;;
 321   powerpc-*-beos*)
 322     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 323     ;;
 324   *-*-darwin*)
 325     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 326     ;;
 327 esac
 328
 329 # Save it here so that, even in case of --enable-libgcj, if the Java
 330 # front-end isn't enabled, we still get libgcj disabled.
 331 libgcj_saved=$libgcj
 332 case $enable_libgcj in
 333 yes)
 334   # If we reset it here, it won't get added to noconfigdirs in the
 335   # target-specific build rules, so it will be forcibly enabled
 336   # (unless the Java language itself isn't enabled).
 337   libgcj=
 338   ;;
 339 no)
 340   # Make sure we get it printed in the list of not supported target libs.
 341   noconfigdirs="$noconfigdirs ${libgcj}"
 342   ;;
 343 esac
 344
 345 case "${target}" in
 346   *-*-chorusos)
 347     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 348     ;;
 349   *-*-darwin*)
 350     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 351     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 352     ;;
 353   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 354     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 355     ;;
 356   *-*-kaos*)
 357     # Remove unsupported stuff on all kaOS configurations.
 358     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 359     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 360     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 361     noconfigdirs="$noconfigdirs target-libgloss"
 362     ;;
 363   *-*-netbsd*)
 364     # Skip some stuff on all NetBSD configurations.
 365     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 366
 367     # Skip some stuff that's unsupported on some NetBSD configurations.
 368     case "${target}" in
 369       i*86-*-netbsdelf*) ;;
 370       *)
 371         noconfigdirs="$noconfigdirs ${libgcj}"
 372         ;;
 373     esac
 374     ;;
 375   *-*-netware)
 376     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 377     ;;
 378   *-*-rtems*)
 379     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 380     case ${target} in
 381         h8300*-*-* | h8500-*-*)
 382           noconfigdirs="$noconfigdirs target-libf2c"
 383           ;;
 384         *) ;;
 385     esac
 386     ;;
 387   *-*-vxworks*)
 388     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 389     ;;
 390   alpha*-dec-osf*)
 391     # ld works, but does not support shared libraries.
 392     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 393     # gas doesn't generate exception information.
 394     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 395     ;;
 396   alpha*-*-*vms*)
 397     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 398     ;;
 399   alpha*-*-linux*)
 400     # newlib is not 64 bit ready
 401     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 402     ;;
 403   alpha*-*-freebsd*)
 404     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 405     ;;
 406   alpha*-*-*)
 407     # newlib is not 64 bit ready
 408     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 409     ;;
 410   sh-*-linux*)
 411     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 412     ;;
 413   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 414     noconfigdirs="$noconfigdirs ${libgcj}"
 415     noconfigdirs="$noconfigdirs target-examples"
 416     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 417     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 418     noconfigdirs="$noconfigdirs expect dejagnu"
 419     # the C++ libraries don't build on top of CE's C libraries
 420     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 421     noconfigdirs="$noconfigdirs target-newlib"
 422     case "${host}" in
 423       *-*-cygwin*) ;; # keep gdb and readline
 424       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 425          ;;
 426     esac
 427     ;;
 428   arc-*-*)
 429     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 430     ;;
 431   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 432     noconfigdirs="$noconfigdirs ${libgcj}"
 433     ;;
 434   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 435     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 436     ;;
 437   arm-*-pe*)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   arm-*-oabi*)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-coff)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   thumb-*-elf)
 447     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 448     ;;
 449   thumb-*-oabi)
 450     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 451     ;;
 452   thumb-*-pe)
 453     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 454     ;;
 455   arm-*-riscix*)
 456     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 457     ;;
 458   avr-*-*)
 459     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 460     ;;
 461   c4x-*-* | tic4x-*-*)
 462     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 463     ;;
 464   c54x*-*-* | tic54x-*-*)
 465     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 466     ;;
 467   cris-*-*)
 468     noconfigdirs="$noconfigdirs ${libgcj}"
 469     ;;
 470   d10v-*-*)
 471     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 472     ;;
 473   d30v-*-*)
 474     noconfigdirs="$noconfigdirs ${libgcj}"
 475     ;;
 476   fr30-*-elf*)
 477     noconfigdirs="$noconfigdirs ${libgcj}"
 478     ;;
 479   frv-*-*)
 480     noconfigdirs="$noconfigdirs ${libgcj}"
 481     ;;
 482   h8300*-*-*)
 483     noconfigdirs="$noconfigdirs target-libgloss"
 484     ;;
 485   h8500-*-*)
 486     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 487     ;;
 488   hppa*64*-*-linux* | parisc*64*-*-linux*)
 489     # In this case, it's because the hppa64-linux target is for
 490     # the kernel only at this point and has no libc, and thus no
 491     # headers, crt*.o, etc., all of which are needed by these.
 492     noconfigdirs="$noconfigdirs target-zlib"
 493     ;;
 494   hppa*-*-*elf* | \
 495   parisc*-*-linux* | hppa*-*-linux* | \
 496   hppa*-*-lites* | \
 497   hppa*-*-openbsd* | \
 498   hppa*64*-*-*)
 499     noconfigdirs="$noconfigdirs ${libgcj}"
 500     # Do configure ld/binutils/gas for this case.
 501     ;;
 502   hppa*-*-*)
 503     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 504     # build on HP-UX 10.20.
 505     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 506     ;;
 507   ia64*-*-elf*)
 508     # No gdb support yet.
 509     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 510     ;;
 511   ia64*-**-hpux*)
 512     # No gdb or ld support yet.
 513     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 514     ;;
 515   i[[3456]]86-*-coff | i[[3456]]86-*-elf)
 516     noconfigdirs="$noconfigdirs ${libgcj}"
 517     ;;
 518   i[[34567]]86-*-freebsd*)
 519     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 520     ;;
 521   i[[3456]]86-*-linux*)
 522     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 523     # not build java stuff by default.
 524     case "${target}" in
 525       *-*-*libc1*)
 526         noconfigdirs="$noconfigdirs ${libgcj}";;
 527     esac
 528
 529     # This section makes it possible to build newlib natively on linux.
 530     # If we are using a cross compiler then don't configure newlib.
 531     if test x${is_cross_compiler} != xno ; then
 532          noconfigdirs="$noconfigdirs target-newlib"
 533     fi
 534     noconfigdirs="$noconfigdirs target-libgloss"
 535     # If we are not using a cross compiler, do configure newlib.
 536     # Note however, that newlib will only be configured in this situation
 537     # if the --with-newlib option has been given, because otherwise
 538     # 'target-newlib' will appear in skipdirs.
 539     ;;
 540   i[[3456]]86-*-mingw32*)
 541     target_configdirs="$target_configdirs target-mingw"
 542     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 543
 544     # Can't build gdb for mingw32 if not native.
 545     case "${host}" in
 546       i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 547       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 548          ;;
 549     esac
 550     ;;
 551   *-*-cygwin*)
 552     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 553     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 554     # always build newlib.
 555     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 556
 557     # Can't build gdb for Cygwin if not native.
 558     case "${host}" in
 559       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 560       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 561          ;;
 562     esac
 563     ;;
 564   i[[3456]]86-*-pe)
 565     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 566     ;;
 567   i[[3456]]86-*-sco3.2v5*)
 568     # The linker does not yet know about weak symbols in COFF,
 569     # and is not configured to handle mixed ELF and COFF.
 570     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 571     ;;
 572   i[[3456]]86-*-sco*)
 573     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 574     ;;
 575   i[[3456]]86-*-solaris2*)
 576     noconfigdirs="$noconfigdirs target-libgloss"
 577     ;;
 578   i[[3456]]86-*-sysv4*)
 579     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 580     ;;
 581   i[[3456]]86-*-beos*)
 582      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 583      ;;
 584   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 585     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 586     ;;
 587   m68k-*-elf*)
 588     noconfigdirs="$noconfigdirs ${libgcj}"
 589     ;;
 590   m68k-*-coff*)
 591     noconfigdirs="$noconfigdirs ${libgcj}"
 592     ;;
 593   mcore-*-pe*)
 594   # The EPOC C++ environment does not support exceptions or rtti,
 595   # and so building libstdc++-v3 tends not to always work.
 596     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 597     ;;
 598   mmix-*-*)
 599     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 600     ;;
 601   mn10200-*-*)
 602     noconfigdirs="$noconfigdirs ${libgcj}"
 603     ;;
 604   mn10300-*-*)
 605     noconfigdirs="$noconfigdirs ${libgcj}"
 606     ;;
 607   powerpc-*-aix*)
 608     # copied from rs6000-*-* entry
 609     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 610     ;;
 611   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 612     target_configdirs="$target_configdirs target-winsup"
 613     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 614     # always build newlib.
 615     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 616     ;;
 617     # This is temporary until we can link against shared libraries
 618   powerpcle-*-solaris*)
 619     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 620     ;;
 621   powerpc-*-beos*)
 622     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 623     ;;
 624   powerpc-*-eabi)
 625     noconfigdirs="$noconfigdirs ${libgcj}"
 626     ;;
 627   powerpc64*-*-linux*)
 628     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 629     # not yet ported.
 630     noconfigdirs="$noconfigdirs target-libffi"
 631     ;;
 632   rs6000-*-lynxos*)
 633     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 634     ;;
 635   rs6000-*-aix*)
 636     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 637     ;;
 638   rs6000-*-*)
 639     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 640     ;;
 641   m68k-apollo-*)
 642     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 643     ;;
 644   mips*-*-irix5*)
 645     # The GNU linker does not support shared libraries.
 646     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 647     ;;
 648   mips*-*-irix6*)
 649     # Linking libjava exceeds command-line length limits on at least
 650     # IRIX 6.2, but not on IRIX 6.5.
 651     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 652     # <oldham@codesourcery.com>
 653     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 654     ;;
 655   mips*-dec-bsd*)
 656     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 657     ;;
 658   mips*-*-bsd*)
 659     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 660     ;;
 661   mipstx39-*-*)
 662     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 663    ;;
 664   mips*-*-linux*)
 665     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 666     ;;
 667   mips*-*-*)
 668     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 669     ;;
 670   romp-*-*)
 671     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 672     ;;
 673   sh-*-*)
 674     case "${host}" in
 675       i[[3456]]86-*-vsta) ;; # don't add gprof back in
 676       i[[3456]]86-*-go32*) ;; # don't add gprof back in
 677       i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 678       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 679     esac
 680     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 681     ;;
 682   sh64-*-*)
 683     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 684     ;;
 685   sparc-*-elf*)
 686     noconfigdirs="$noconfigdirs ${libgcj}"
 687     ;;
 688   sparc64-*-elf*)
 689     noconfigdirs="$noconfigdirs ${libgcj}"
 690     ;;
 691   sparclite-*-*)
 692     noconfigdirs="$noconfigdirs ${libgcj}"
 693     ;;
 694   sparc-*-sunos4*)
 695     noconfigdirs="$noconfigdirs ${libgcj}"
 696     if test x${is_cross_compiler} != xno ; then
 697            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 698     else
 699            use_gnu_ld=no
 700     fi
 701     ;;
 702   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 703     ;;
 704   v810-*-*)
 705     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 706     ;;
 707   v850-*-*)
 708     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 709     ;;
 710   v850e-*-*)
 711     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 712     ;;
 713   v850ea-*-*)
 714     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 715     ;;
 716   vax-*-vms)
 717     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 718     ;;
 719   vax-*-*)
 720     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 721     ;;
 722   ip2k-*-*)
 723     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 724     ;;
 725   *-*-linux*)
 726     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 727     ;;
 728   *-*-lynxos*)
 729     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 730     ;;
 731   *-*-*)
 732     noconfigdirs="$noconfigdirs ${libgcj}"
 733     ;;
 734 esac
 735
 736 # If we aren't building newlib, then don't build libgloss, since libgloss
 737 # depends upon some newlib header files.
 738 case "${noconfigdirs}" in
 739   *target-libgloss*) ;;
 740   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 741 esac
 742
 743 # Figure out what language subdirectories are present.
 744 # Look if the user specified --enable-languages="..."; if not, use
 745 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 746 # go away some day.
 747 # NB:  embedded tabs in this IF block -- do not untabify
 748 if test x"${enable_languages+set}" != xset; then
 749         if test x"${LANGUAGES+set}" = xset; then
 750                 enable_languages="${LANGUAGES}"
 751                 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 752         else
 753                 enable_languages=all
 754         fi
 755 else
 756         if test x"${enable_languages}" = x ||
 757            test x"${enable_languages}" = xyes;
 758         then
 759                 echo configure.in: --enable-languages needs at least one language argument 1>&2
 760                 exit 1
 761         fi
 762 fi
 763 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 764
 765 # First scan to see if an enabled language requires some other language.
 766 # We assume that a given config-lang.in will list all the language
 767 # front ends it requires, even if some are required indirectly.
 768 for lang in ${srcdir}/gcc/*/config-lang.in ..
 769 do
 770    case $lang in
 771     ..)
 772        ;;
 773     # The odd quoting in the next line works around
 774     # an apparent bug in bash 1.12 on linux.
 775     ${srcdir}/gcc/[[*]]/config-lang.in)
 776        ;;
 777     *)
 778        lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^         ]]*\).*$,\1,p' $lang`
 779        this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^       ]]*\).*$,\1,p' $lang`
 780        for other in $this_lang_requires
 781        do
 782           case ,${enable_languages}, in
 783            *,$other,*)
 784               ;;
 785            *,all,*)
 786               ;;
 787            *,$lang_alias,*)
 788               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
 789               enable_languages="$enable_languages,$other"
 790               ;;
 791           esac
 792        done
 793        ;;
 794    esac
 795 done
 796
 797 subdirs=
 798 for lang in ${srcdir}/gcc/*/config-lang.in ..
 799 do
 800         case $lang in
 801         ..) ;;
 802         # The odd quoting in the next line works around
 803         # an apparent bug in bash 1.12 on linux.
 804         ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 805         *)
 806           lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^      ]]*\).*$,\1,p' $lang`
 807           this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^    ]]*\).*$,\1,p' $lang`
 808           this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^        ]]*\).*$,\1,p' $lang`
 809           build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^        ]]*\).*$,\1,p' $lang`
 810           if test "x$lang_alias" = x
 811           then
 812                 echo "$lang doesn't set \$language." 1>&2
 813                 exit 1
 814           fi
 815           case ${build_by_default},${enable_languages}, in
 816           *,$lang_alias,*) add_this_lang=yes ;;
 817           no,*) add_this_lang=no ;;
 818           *,all,*) add_this_lang=yes ;;
 819           *) add_this_lang=no ;;
 820           esac
 821           if test x"${add_this_lang}" = xyes; then
 822               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 823           else
 824               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
 825           fi
 826           ;;
 827         esac
 828 done
 829
 830 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 831 # $target_configdirs.
 832 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 833
 834 notsupp=""
 835 for dir in . $skipdirs $noconfigdirs ; do
 836   dirname=`echo $dir | sed -e s/target-//g`
 837   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 838     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 839     if test -r $srcdir/$dirname/configure ; then
 840       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 841         true
 842       else
 843         notsupp="$notsupp $dir"
 844       fi
 845     fi
 846   fi
 847   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 848     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 849     if test -r $srcdir/$dirname/configure ; then
 850       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 851         true
 852       else
 853         notsupp="$notsupp $dir"
 854       fi
 855     fi
 856   fi
 857 done
 858
 859 # Sometimes the tools are distributed with libiberty but with no other
 860 # libraries.  In that case, we don't want to build target-libiberty.
 861 if test -n "${target_configdirs}" ; then
 862   others=
 863   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 864     if test "$i" != "libiberty" ; then
 865       if test -r $srcdir/$i/configure ; then
 866         others=yes;
 867         break;
 868       fi
 869     fi
 870   done
 871   if test -z "${others}" ; then
 872     target_configdirs=
 873   fi
 874 fi
 875
 876 # Quietly strip out all directories which aren't configurable in this tree.
 877 # This relies on all configurable subdirectories being autoconfiscated, which
 878 # is now the case.
 879 configdirs_all="$configdirs"
 880 configdirs=
 881 for i in ${configdirs_all} ; do
 882   if test -f ${srcdir}/$i/configure ; then
 883     configdirs="${configdirs} $i"
 884   fi
 885 done
 886 target_configdirs_all="$target_configdirs"
 887 target_configdirs=
 888 for i in ${target_configdirs_all} ; do
 889   j=`echo $i | sed -e s/target-//g`
 890   if test -f ${srcdir}/$j/configure ; then
 891     target_configdirs="${target_configdirs} $i"
 892   fi
 893 done
 894
 895 # Produce a warning message for the subdirs we can't configure.
 896 # This isn't especially interesting in the Cygnus tree, but in the individual
 897 # FSF releases, it's important to let people know when their machine isn't
 898 # supported by the one or two programs in a package.
 899
 900 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 901   # If $appdirs is non-empty, at least one of those directories must still
 902   # be configured, or we error out.  (E.g., if the gas release supports a
 903   # specified target in some subdirs but not the gas subdir, we shouldn't
 904   # pretend that all is well.)
 905   if test -n "$appdirs" ; then
 906     for dir in $appdirs ; do
 907       if test -r $dir/Makefile.in ; then
 908         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 909           appdirs=""
 910           break
 911         fi
 912         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 913           appdirs=""
 914           break
 915         fi
 916       fi
 917     done
 918     if test -n "$appdirs" ; then
 919       echo "*** This configuration is not supported by this package." 1>&2
 920       exit 1
 921     fi
 922   fi
 923   # Okay, some application will build, or we don't care to check.  Still
 924   # notify of subdirs not getting built.
 925   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 926   echo "    ${notsupp}" 1>&2
 927   echo "    (Any other directories should still work fine.)" 1>&2
 928 fi
 929
 930 case "$host" in
 931   *msdosdjgpp*)
 932     enable_gdbtk=no ;;
 933 esac
 934
 935 copy_dirs=
 936
 937 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 938 # the named directory are copied to $(tooldir)/sys-include.
 939 if test x"${with_headers}" != x ; then
 940   if test x${is_cross_compiler} = xno ; then
 941     echo 1>&2 '***' --with-headers is only supported when cross compiling
 942     exit 1
 943   fi
 944   if test x"${with_headers}" != xyes ; then
 945     case "${exec_prefixoption}" in
 946     "") x=${prefix} ;;
 947     *) x=${exec_prefix} ;;
 948     esac
 949     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 950   fi
 951 fi
 952
 953 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 954 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 955 # are permitted.
 956 if test x"${with_libs}" != x ; then
 957   if test x${is_cross_compiler} = xno ; then
 958     echo 1>&2 '***' --with-libs is only supported when cross compiling
 959     exit 1
 960   fi
 961   if test x"${with_libs}" != xyes ; then
 962     # Copy the libraries in reverse order, so that files in the first named
 963     # library override files in subsequent libraries.
 964     case "${exec_prefixoption}" in
 965     "") x=${prefix} ;;
 966     *) x=${exec_prefix} ;;
 967     esac
 968     for l in ${with_libs}; do
 969       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 970     done
 971   fi
 972 fi
 973
 974 # Handle ${copy_dirs}
 975 set fnord ${copy_dirs}
 976 shift
 977 while test $# != 0 ; do
 978   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 979     :
 980   else
 981     echo Copying $1 to $2
 982
 983     # Use the install script to create the directory and all required
 984     # parent directories.
 985     if test -d $2 ; then
 986       :
 987     else
 988       echo >config.temp
 989       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 990     fi
 991
 992     # Copy the directory, assuming we have tar.
 993     # FIXME: Should we use B in the second tar?  Not all systems support it.
 994     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 995
 996     # It is the responsibility of the user to correctly adjust all
 997     # symlinks.  If somebody can figure out how to handle them correctly
 998     # here, feel free to add the code.
 999
1000     echo $1 > $2/COPIED
1001   fi
1002   shift; shift
1003 done
1004
1005 # Work in distributions that contain no compiler tools, like Autoconf.
1006 tentative_cc=""
1007 host_makefile_frag=/dev/null
1008 if test -d ${srcdir}/config ; then
1009 case "${host}" in
1010   m68k-hp-hpux*)
1011     # Avoid "too much defining" errors from HPUX compiler.
1012     tentative_cc="cc -Wp,-H256000"
1013     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1014     # If it's HP/UX ar, this should be harmless.
1015     RANLIB="ar ts"
1016     ;;
1017   m68k-apollo-sysv*)
1018     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1019     ;;
1020   m68k-apollo-bsd*)
1021     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1022     # chokes on bfd, the compiler won't let you assign integers to enums, and
1023     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1024     # the apollo compiler" (the preferred version of GCC could be called cc,
1025     # or whatever), but I'm not sure leaving CC as cc is any better...
1026     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1027     # Used to have BISON=yacc.
1028     tentative_cc=gcc
1029     ;;
1030   m88k-dg-dgux*)
1031     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1032     ;;
1033   m88k-harris-cxux*)
1034     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1035     tentative_cc="cc -Xa"
1036     host_makefile_frag="config/mh-cxux"
1037     ;;
1038   m88k-motorola-sysv*)
1039     ;;
1040   mips*-dec-ultrix*)
1041     tentative_cc="cc -Wf,-XNg1000"
1042     host_makefile_frag="config/mh-decstation"
1043     ;;
1044   mips*-nec-sysv4*)
1045     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1046     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1047     host_makefile_frag="config/mh-necv4"
1048     ;;
1049   mips*-sgi-irix4*)
1050     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1051     # environment.  Also bump switch table size so that cp-parse will
1052     # compile.  Bump string length limit so linker builds.
1053     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1054     ;;
1055   mips*-*-sysv4*)
1056     host_makefile_frag="config/mh-sysv4"
1057     ;;
1058   mips*-*-sysv*)
1059     # This is for a MIPS running RISC/os 4.52C.
1060
1061     # This is needed for GDB, but needs to be in the top-level make because
1062     # if a library is compiled with the bsd headers and gets linked with the
1063     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1064     # a different size).
1065     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1066     # known except to select the sysv environment.  Could we use /proc instead?
1067     # These "sysv environments" and "bsd environments" often end up being a pain.
1068     #
1069     # This is not part of CFLAGS because perhaps not all C compilers have this
1070     # option.
1071     tentative_cc="cc -systype sysv"
1072     ;;
1073   i370-ibm-opened*)
1074     tentative_cc="c89"
1075     ;;
1076   i[[3456]]86-*-sysv5*)
1077     host_makefile_frag="config/mh-sysv5"
1078     ;;
1079   i[[3456]]86-*-dgux*)
1080     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1081     host_makefile_frag="config/mh-dgux386"
1082     ;;
1083   i[[3456]]86-ncr-sysv4.3*)
1084     # The MetaWare compiler will generate a copyright message unless you
1085     # turn it off by adding the -Hnocopyr flag.
1086     tentative_cc="cc -Hnocopyr"
1087     ;;
1088   i[[3456]]86-ncr-sysv4*)
1089     # for an NCR 3000 (i486/SVR4) system.
1090     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1091     # This compiler not only emits obnoxious copyright messages every time
1092     # you run it, but it chokes and dies on a whole bunch of GNU source
1093     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1094     tentative_cc="/usr/ccs/ATT/cc"
1095     host_makefile_frag="config/mh-ncr3000"
1096     ;;
1097   i[[3456]]86-*-sco3.2v5*)
1098     ;;
1099   i[[3456]]86-*-sco*)
1100     # The native C compiler botches some simple uses of const.  Unfortunately,
1101     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1102     tentative_cc="cc -Dconst="
1103     host_makefile_frag="config/mh-sco"
1104     ;;
1105   i[[3456]]86-*-udk*)
1106     host_makefile_frag="config/mh-sysv5"
1107     ;;
1108   i[[3456]]86-*-solaris2*)
1109     host_makefile_frag="config/mh-sysv4"
1110     ;;
1111   i[[3456]]86-*-msdosdjgpp*)
1112     host_makefile_frag="config/mh-djgpp"
1113     ;;
1114   *-cygwin*)
1115     host_makefile_frag="config/mh-cygwin"
1116     ;;
1117   *-mingw32*)
1118     host_makefile_frag="config/mh-mingw32"
1119     ;;
1120   *-interix*)
1121     host_makefile_frag="config/mh-interix"
1122     ;;
1123   vax-*-ultrix2*)
1124     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1125     tentative_cc=gcc
1126     ;;
1127   *-*-solaris2*)
1128     host_makefile_frag="config/mh-solaris"
1129     ;;
1130   m68k-sun-sunos*)
1131     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1132     # without overflowing the jump tables (-J says to use a 32 bit table)
1133     tentative_cc="cc -J"
1134     ;;
1135   *-hp-hpux*)
1136     tentative_cc="cc -Wp,-H256000"
1137     ;;
1138   *-*-hiux*)
1139     tentative_cc="cc -Wp,-H256000"
1140     ;;
1141   rs6000-*-lynxos*)
1142     # /bin/cc is less than useful for our purposes.  Always use GCC
1143     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1144     host_makefile_frag="config/mh-lynxrs6k"
1145     ;;
1146   *-*-lynxos*)
1147     # /bin/cc is less than useful for our purposes.  Always use GCC
1148     tentative_cc="/bin/gcc"
1149     ;;
1150   *-*-sysv4*)
1151     host_makefile_frag="config/mh-sysv4"
1152     ;;
1153 esac
1154 fi
1155
1156 extra_arflags_for_target=
1157 extra_nmflags_for_target=
1158 extra_ranlibflags_for_target=
1159 target_makefile_frag=/dev/null
1160 case "${target}" in
1161   i[[3456]]86-*-netware*)
1162     target_makefile_frag="config/mt-netware"
1163     ;;
1164   powerpc-*-netware*)
1165     target_makefile_frag="config/mt-netware"
1166     ;;
1167   *-*-linux*)
1168     target_makefile_frag="config/mt-linux"
1169     ;;
1170   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1171     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1172     # commands to handle both 32-bit and 64-bit objects.  These flags are
1173     # harmless if we're using GNU nm or ar.
1174     extra_arflags_for_target=" -X32_64"
1175     extra_nmflags_for_target=" -B -X32_64"
1176     ;;
1177   *-*-darwin*)
1178     # ranlib from Darwin requires the -c flag to look at common symbols.
1179     extra_ranlibflags_for_target=" -c"
1180     ;;
1181   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1182     target_makefile_frag="config/mt-wince"
1183     ;;
1184 esac
1185
1186 alphaieee_frag=/dev/null
1187 case $target in
1188   alpha*-*-*)
1189     # This just makes sure to use the -mieee option to build target libs.
1190     # This should probably be set individually by each library.
1191     alphaieee_frag="config/mt-alphaieee"
1192     ;;
1193 esac
1194
1195 # If --enable-target-optspace always use -Os instead of -O2 to build
1196 # the target libraries, similarly if it is not specified, use -Os
1197 # on selected platforms.
1198 ospace_frag=/dev/null
1199 case "${enable_target_optspace}:${target}" in
1200   yes:*)
1201     ospace_frag="config/mt-ospace"
1202     ;;
1203   :d30v-*)
1204     ospace_frag="config/mt-d30v"
1205     ;;
1206   :m32r-* | :d10v-* | :fr30-*)
1207     ospace_frag="config/mt-ospace"
1208     ;;
1209   no:* | :*)
1210     ;;
1211   *)
1212     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1213     ;;
1214 esac
1215
1216 # Set with_gnu_as and with_gnu_ld as appropriate.
1217 #
1218 # This is done by determining whether or not the appropriate directory
1219 # is available, and by checking whether or not specific configurations
1220 # have requested that this magic not happen.
1221 #
1222 # The command line options always override the explicit settings in
1223 # configure.in, and the settings in configure.in override this magic.
1224 #
1225 # If the default for a toolchain is to use GNU as and ld, and you don't
1226 # want to do that, then you should use the --without-gnu-as and
1227 # --without-gnu-ld options for the configure script.
1228
1229 if test x${use_gnu_as} = x &&
1230    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1231   with_gnu_as=yes
1232   extra_host_args="$extra_host_args --with-gnu-as"
1233 fi
1234
1235 if test x${use_gnu_ld} = x &&
1236    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1237   with_gnu_ld=yes
1238   extra_host_args="$extra_host_args --with-gnu-ld"
1239 fi
1240
1241 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1242 # can detect this case.
1243
1244 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1245   with_newlib=yes
1246   extra_host_args="$extra_host_args --with-newlib"
1247 fi
1248
1249 # We default to --with-shared on platforms where -fpic is meaningless.
1250 # Well, we don't yet, but we will.
1251 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1252   case "${target}" in
1253     alpha*-dec-osf*)    enable_shared=yes ;;
1254     alpha*-*-linux*)    enable_shared=yes ;;
1255     mips-sgi-irix5*)    enable_shared=yes ;;
1256     *)                  enable_shared=no ;;
1257   esac
1258 fi
1259
1260 case "${enable_shared}" in
1261   yes) shared=yes ;;
1262   no) shared=no ;;
1263   "") shared=no ;;
1264   *) shared=yes ;;
1265 esac
1266
1267
1268 # Default to using --with-stabs for certain targets.
1269 if test x${with_stabs} = x ; then
1270   case "${target}" in
1271   mips*-*-irix6*o32)
1272     with_stabs=yes;
1273     extra_host_args="${extra_host_args} --with-stabs"
1274     ;;
1275   mips*-*-irix6*)
1276     ;;
1277   mips*-*-* | alpha*-*-osf*)
1278     with_stabs=yes;
1279     extra_host_args="${extra_host_args} --with-stabs"
1280     ;;
1281   esac
1282 fi
1283
1284 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1285 # them automatically.
1286 case "${host}" in
1287   hppa*64*-*-hpux11*)
1288     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1289     ;;
1290 esac
1291
1292 # If we aren't going to be using gcc, see if we can extract a definition
1293 # of CC from the fragment.
1294 # Actually, use the 'pre-extracted' version above.
1295 if test -z "${CC}" && test "${build}" = "${host}" ; then
1296   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1297   found=
1298   for dir in $PATH; do
1299     test -z "$dir" && dir=.
1300     if test -f $dir/gcc; then
1301       found=yes
1302       break
1303     fi
1304   done
1305   IFS="$save_ifs"
1306   if test -z "${found}" && test -n "${tentative_cc}" ; then
1307     CC=$tentative_cc
1308   fi
1309 fi
1310
1311 # Some systems (e.g., one of the i386-aix systems the gas testers are
1312 # using) don't handle "\$" correctly, so don't use it here.
1313 tooldir='$(exec_prefix)'/${target_alias}
1314 build_tooldir=${tooldir}
1315
1316 # Generate a default definition for YACC.  This is used if the makefile can't
1317 # locate bison or byacc in objdir.
1318
1319 for prog in 'bison -y' byacc yacc
1320 do
1321   set dummy $prog; tmp=$2
1322   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1323   for dir in $PATH; do
1324     test -z "$dir" && dir=.
1325     if test -f $dir/$tmp; then
1326       DEFAULT_YACC="$prog"
1327       break
1328     fi
1329   done
1330   IFS="$save_ifs"
1331
1332   test -n "$DEFAULT_YACC" && break
1333 done
1334
1335 # Generate a default definition for M4.  This is used if the makefile can't
1336 # locate m4 in objdir.
1337
1338 for prog in gm4 gnum4 m4
1339 do
1340   set dummy $prog; tmp=$2
1341   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1342   for dir in $PATH; do
1343     test -z "$dir" && dir=.
1344     if test -f $dir/$tmp; then
1345       DEFAULT_M4="$prog"
1346       break
1347     fi
1348   done
1349   IFS="$save_ifs"
1350
1351   test -n "$DEFAULT_M4" && break
1352 done
1353
1354 # Generate a default definition for LEX.  This is used if the makefile can't
1355 # locate flex in objdir.
1356
1357 for prog in flex lex
1358 do
1359   set dummy $prog; tmp=$2
1360   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1361   for dir in $PATH; do
1362     test -z "$dir" && dir=.
1363     if test -f $dir/$tmp; then
1364       DEFAULT_LEX="$prog"
1365       break
1366     fi
1367   done
1368   IFS="$save_ifs"
1369
1370   test -n "$DEFAULT_LEX" && break
1371 done
1372
1373 if test "${build}" != "${host}" ; then
1374   # If we are doing a Canadian Cross, in which the host and build systems
1375   # are not the same, we set reasonable default values for the tools.
1376
1377   BISON=${BISON-bison}
1378   CC=${CC-${host_alias}-gcc}
1379   CFLAGS=${CFLAGS-"-g -O2"}
1380   CXX=${CXX-${host_alias}-c++}
1381   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1382   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1383   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1384   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1385   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1386   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1387   BUILD_PREFIX=${build_alias}-
1388   BUILD_PREFIX_1=${build_alias}-
1389   MAKEINFO=${MAKEINFO-makeinfo}
1390
1391   if test -z "${YACC}" ; then
1392     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1393     for dir in $PATH; do
1394       test -z "$dir" && dir=.
1395       if test -f $dir/bison; then
1396         YACC="bison -y"
1397         break
1398       fi
1399       if test -f $dir/byacc; then
1400         YACC=byacc
1401         break
1402       fi
1403       if test -f $dir/yacc; then
1404         YACC=yacc
1405         break
1406       fi
1407     done
1408     IFS="$save_ifs"
1409     if test -z "${YACC}" ; then
1410       YACC="bison -y"
1411     fi
1412   fi
1413
1414   if test -z "${LEX}" ; then
1415     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1416     for dir in $PATH; do
1417       test -z "$dir" && dir=.
1418       if test -f $dir/flex; then
1419         LEX=flex
1420         break
1421       fi
1422       if test -f $dir/lex; then
1423         LEX=lex
1424         break
1425       fi
1426     done
1427     IFS="$save_ifs"
1428     LEX=${LEX-flex}
1429   fi
1430
1431 else
1432   # Set reasonable default values for some tools even if not Canadian.
1433   # Of course, these are different reasonable default values, originally
1434   # specified directly in the Makefile.
1435   # We don't export, so that autoconf can do its job.
1436   # Note that all these settings are above the fragment inclusion point
1437   # in Makefile.in, so can still be overridden by fragments.
1438   # This is all going to change when we autoconfiscate...
1439
1440   BISON="\$(USUAL_BISON)"
1441   CC_FOR_BUILD="\$(CC)"
1442   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1443   BUILD_PREFIX=
1444   BUILD_PREFIX_1=loser-
1445   MAKEINFO="\$(USUAL_MAKEINFO)"
1446   LEX="\$(USUAL_LEX)"
1447   YACC="\$(USUAL_YACC)"
1448
1449   # If CC is still not set, try to get gcc.
1450   cc_prog_is_gcc=
1451   if test -z "${CC}" ; then
1452     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1453     for dir in $PATH; do
1454       test -z "$dir" && dir=.
1455       if test -f $dir/gcc; then
1456         CC="gcc"
1457         cc_prog_is_gcc=yes
1458         echo 'void f(){}' > conftest.c
1459         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1460           CFLAGS=${CFLAGS-"-g -O2"}
1461           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1462         else
1463           CFLAGS=${CFLAGS-"-O2"}
1464           CXXFLAGS=${CXXFLAGS-"-O2"}
1465         fi
1466         rm -f conftest*
1467         break
1468       fi
1469     done
1470     IFS="$save_ifs"
1471     CC=${CC-cc}
1472   else
1473     # Determine if we are using gcc.
1474     cat > conftest.c <<EOF
1475 #ifdef __GNUC__
1476   yes;
1477 #endif
1478 EOF
1479     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1480       cc_prog_is_gcc=yes
1481     fi
1482     rm -f conftest.c
1483     if test -z "${CFLAGS}"; then
1484       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1485       # is set to a version of gcc.
1486       if test "$cc_prog_is_gcc" = yes; then
1487         echo 'void f(){}' > conftest.c
1488         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1489           CFLAGS=${CFLAGS-"-g -O2"}
1490           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1491         else
1492           CFLAGS=${CFLAGS-"-O2"}
1493           CXXFLAGS=${CXXFLAGS-"-O2"}
1494         fi
1495         rm -f conftest*
1496       fi
1497     fi
1498   fi
1499
1500   # We must set the default linker to the linker used by gcc for the correct
1501   # operation of libtool.  If LD is not defined and we are using gcc, try to
1502   # set the LD default to the ld used by gcc.
1503   if test -z "$LD"; then
1504     if test "$cc_prog_is_gcc" = yes; then
1505       case $build in
1506       *-*-mingw*)
1507         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1508       *)
1509         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1510       esac
1511       case $gcc_prog_ld in
1512       # Accept absolute paths.
1513       [[\\/]* | [A-Za-z]:[\\/]*)]
1514         LD="$gcc_prog_ld" ;;
1515       esac
1516     fi
1517   fi
1518
1519   CXX=${CXX-"c++"}
1520   CFLAGS=${CFLAGS-"-g"}
1521   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1522 fi
1523
1524 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1525 # Set up the list of links to be made.
1526 # ${links} is the list of link names, and ${files} is the list of names to link to.
1527
1528 # Make the links.
1529 configlinks="${links}"
1530 if test -r ./config.status  ; then
1531   mv -f ./config.status ./config.back
1532 fi
1533 while test -n "${files}" ; do
1534   # set file to car of files, files to cdr of files
1535   set ${files}; file=$1; shift; files=$*
1536   set ${links}; link=$1; shift; links=$*
1537
1538   if test ! -r ${srcdir}/${file} ; then
1539     if test ! -r ${file} ; then
1540       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1541       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1542       exit 1
1543     else
1544       srcfile=${file}
1545     fi
1546   else
1547     srcfile=${srcdir}/${file}
1548   fi
1549
1550   ${remove} -f ${link}
1551   # Make a symlink if possible, otherwise try a hard link
1552   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1553     true
1554   else
1555     # We need to re-remove the file because Lynx leaves a
1556     # very strange directory there when it fails an NFS symlink.
1557     ${remove} -r -f ${link}
1558     ${hard_link} ${srcfile} ${link}
1559   fi
1560   if test ! -r ${link} ; then
1561     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1562     exit 1
1563   fi
1564
1565   echo "Linked \"${link}\" to \"${srcfile}\"."
1566 done
1567
1568 # Create a .gdbinit file which runs the one in srcdir
1569 # and tells GDB to look there for source files.
1570
1571 if test -r ${srcdir}/.gdbinit ; then
1572   case ${srcdir} in
1573     .) ;;
1574     *) cat > ./.gdbinit <<EOF
1575 # ${NO_EDIT}
1576 dir ${srcdir}
1577 dir .
1578 source ${srcdir}/.gdbinit
1579 EOF
1580     ;;
1581   esac
1582 fi
1583
1584 # record if we want runtime library stuff installed in libsubdir.
1585 # Blank means no.
1586 if test -z "${enable_version_specific_runtime_libs}"; then
1587   enable_version_specific_runtime_libs=no
1588 fi
1589
1590 # Make sure that the compiler is able to generate an executable.  If it
1591 # can't, we are probably in trouble.  We don't care whether we can run the
1592 # executable--we might be using a cross compiler--we only care whether it
1593 # can be created.  At this point the main configure script has set CC.
1594 we_are_ok=no
1595 echo "int main () { return 0; }" > conftest.c
1596 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1597 if test $? = 0 ; then
1598   if test -s conftest || test -s conftest.exe ; then
1599     we_are_ok=yes
1600   fi
1601 fi
1602 case $we_are_ok in
1603   no)
1604     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1605     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1606     rm -f conftest*
1607     exit 1
1608     ;;
1609 esac
1610 rm -f conftest*
1611
1612 # The Solaris /usr/ucb/cc compiler does not appear to work.
1613 case "${host}" in
1614   sparc-sun-solaris2*)
1615       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1616       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1617           could_use=
1618           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1619           if test -d /opt/cygnus/bin ; then
1620               if test "$could_use" = "" ; then
1621                   could_use="/opt/cygnus/bin"
1622               else
1623                   could_use="$could_use or /opt/cygnus/bin"
1624               fi
1625           fi
1626         if test "$could_use" = "" ; then
1627             echo "Warning: compilation may fail because you're using"
1628             echo "/usr/ucb/cc.  You should change your PATH or CC "
1629             echo "variable and rerun configure."
1630         else
1631             echo "Warning: compilation may fail because you're using"
1632             echo "/usr/ucb/cc, when you should use the C compiler from"
1633             echo "$could_use.  You should change your"
1634             echo "PATH or CC variable and rerun configure."
1635         fi
1636       fi
1637   ;;
1638 esac
1639
1640 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1641 # binutils tools will find libbfd.so.
1642 if test "${shared}" = "yes" ; then
1643   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1644 else
1645   SET_LIB_PATH=
1646 fi
1647
1648
1649 case "${host}" in
1650   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1651   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1652 esac
1653
1654 # Record target_configdirs and the configure arguments for target and
1655 # build configuration in Makefile.
1656 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1657
1658 # This is the final value for target_configdirs.  configdirs already
1659 # has its final value.  It's time to create some lists of valid targets.
1660
1661 # While at that, we remove Makefiles if we were started for recursive
1662 # configuration, such that the top-level Makefile reconfigures them,
1663 # like we used to do when configure itself was recursive.
1664
1665 all_build_modules=
1666 configure_build_modules=
1667 # Only make build modules if build != host.
1668 # This should be done more generally, but at the moment it doesn't matter.
1669 if test ${host_alias} != ${build_alias} ; then
1670   for module in libiberty ; do
1671     all_build_modules=all-build-${module}
1672     configure_build_modules=configure-build-${module}
1673     if test -z "${no_recursion}" \
1674        && test -f ${build_subdir}/${module}/Makefile; then
1675       echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1676       rm -f ${build_subdir}/${module}/Makefile
1677     fi
1678   done
1679 fi
1680
1681 all_host_modules=
1682 check_host_modules=
1683 install_host_modules=
1684 configure_host_modules=
1685 for module in ${configdirs} ; do
1686   all_host_modules="${all_host_modules} all-${module}"
1687   check_host_modules="${check_host_modules} check-${module}"
1688   install_host_modules="${install_host_modules} install-${module}"
1689   configure_host_modules="${configure_host_modules} configure-${module}"
1690   if test -z "${no_recursion}" \
1691      && test -f ${module}/Makefile; then
1692     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1693     rm -f ${module}/Makefile
1694   fi
1695 done
1696 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1697
1698 all_target_modules=
1699 check_target_modules=
1700 install_target_modules=
1701 configure_target_modules=
1702 for module in ${target_configdirs} ; do
1703   all_target_modules="${all_target_modules} all-target-${module}"
1704   check_target_modules="${check_target_modules} check-target-${module}"
1705   install_target_modules="${install_target_modules} install-target-${module}"
1706   configure_target_modules="${configure_target_modules} configure-target-${module}"
1707   if test -z "${no_recursion}" \
1708      && test -f ${target_subdir}/${module}/Makefile; then
1709     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1710     rm -f ${target_subdir}/${module}/Makefile
1711   fi
1712 done
1713
1714 # Determine whether gdb needs tk/tcl or not.
1715 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1716 # and in that case we want gdb to be built without tk.  Ugh!
1717 # In fact I believe gdb is the *only* package directly dependent on tk,
1718 # so we should be able to put the 'maybe's in unconditionally and
1719 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1720 # 100% sure that that's safe though.
1721
1722 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1723 case "$enable_gdbtk" in
1724   no)
1725     GDB_TK="" ;;
1726   yes)
1727     GDB_TK="${gdb_tk}" ;;
1728   *)
1729     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1730     # distro.  Eventually someone will fix this and move Insight, nee
1731     # gdbtk to a separate directory.
1732     if test -d ${srcdir}/gdb/gdbtk ; then
1733       GDB_TK="${gdb_tk}"
1734     else
1735       GDB_TK=""
1736     fi
1737     ;;
1738 esac
1739
1740 # Create the 'maybe dependencies'.  This uses a temporary file.
1741 rm -f maybedep.tmp
1742 echo '# maybedep.tmp' > maybedep.tmp
1743 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1744         ${install_host_modules} ${install_target_modules} \
1745         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1746         ; do
1747   echo "maybe-${item}: ${item}" >> maybedep.tmp
1748 done
1749 maybe_dependencies=maybedep.tmp
1750 AC_SUBST_FILE(maybe_dependencies)
1751
1752 # Create the serialization dependencies.  This uses a temporary file.
1753
1754 AC_ARG_ENABLE([serial-configure],
1755 [  --disable-serial-[{host,target,build}-]configure
1756                           Don't force sequential configuration of
1757                           sub-packages for the host, target or build
1758                           machine, or of any sub-packages at all])
1759
1760 # These force 'configure's to be done one at a time, to avoid problems
1761 # with contention over a shared config.cache.
1762 rm -f serdep.tmp
1763 echo '# serdep.tmp' > serdep.tmp
1764 olditem=
1765 test "x${enable_serial_configure}" = xno ||
1766 test "x${enable_serial_build_configure}" = xno ||
1767 for item in ${build_configdirs} ; do
1768   case ${olditem} in
1769     "") ;;
1770     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1771   esac
1772   olditem=${item}
1773 done
1774 olditem=
1775 test "x${enable_serial_configure}" = xno ||
1776 test "x${enable_serial_host_configure}" = xno ||
1777 for item in ${configdirs} ; do
1778   case ${olditem} in
1779     "") ;;
1780     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1781   esac
1782   olditem=${item}
1783 done
1784 olditem=
1785 test "x${enable_serial_configure}" = xno ||
1786 test "x${enable_serial_target_configure}" = xno ||
1787 for item in ${target_configdirs} ; do
1788   case ${olditem} in
1789     "") ;;
1790     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1791   esac
1792   olditem=${item}
1793 done
1794 serialization_dependencies=serdep.tmp
1795 AC_SUBST_FILE(serialization_dependencies)
1796
1797 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1798 # target and nonopt.  These are the ones we might not want to pass
1799 # down to subconfigures.
1800 baseargs=`echo " ${ac_configure_args} " | \
1801         sed -e 's/ --no[[^ ]]* / /' \
1802             -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1803             -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1804             -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1805             -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1806             -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1807             -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1808             -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1809             -e 's/ -host[[= ]][[^ ]]* / /' \
1810             -e 's/ -build[[= ]][[^ ]]* / /' \
1811             -e 's/ -target[[= ]][[^ ]]* / /' \
1812             -e 's/ [[^ -][^ ]*] / /' \
1813             -e 's/^ *//;s/ *$//'`
1814
1815 # For the build-side libraries, we just need to pretend we're native,
1816 # and not use the same cache file.  Multilibs are neither needed nor
1817 # desired.
1818 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1819
1820 # For host modules, accept cache file option, or specification as blank.
1821 case "${cache_file}" in
1822 "") # empty
1823   cache_file_option="" ;;
1824 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1825   cache_file_option="--cache-file=${cache_file}" ;;
1826 *) # relative path
1827   cache_file_option="--cache-file=../${cache_file}" ;;
1828 esac
1829
1830 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1831
1832 target_configargs=${baseargs}
1833
1834 # Passing a --with-cross-host argument lets the target libraries know
1835 # whether they are being built with a cross-compiler or being built
1836 # native.  However, it would be better to use other mechanisms to make the
1837 # sorts of decisions they want to make on this basis.  Please consider
1838 # this option to be deprecated.  FIXME.
1839 if test x${is_cross_compiler} = xyes ; then
1840   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1841 fi
1842
1843 # Default to --enable-multilib.
1844 if test x${enable_multilib} = x ; then
1845   target_configargs="--enable-multilib ${target_configargs}"
1846 fi
1847
1848 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1849 # changed from the earlier setting of with_newlib.
1850 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1851   target_configargs="--with-newlib ${target_configargs}"
1852 fi
1853
1854 # Pass the appropriate --host, --build, and --cache-file arguments.
1855 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1856
1857 # provide a proper gxx_include_dir.
1858 # Note, if you change the default, make sure to fix both here and in
1859 # the gcc and libstdc++-v3 subdirectories.
1860 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1861 gxx_include_dir=
1862 if test -n "${with_gxx_include_dir}"; then
1863   case "${with_gxx_include_dir}" in
1864     yes )
1865       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1866       exit 1
1867       ;;
1868     no )
1869       ;;
1870     * )
1871       gxx_include_dir=${with_gxx_include_dir}
1872       ;;
1873   esac
1874 fi
1875 if test x${gxx_include_dir} = x; then
1876   if test x${enable_version_specific_runtime_libs} = xyes; then
1877     gxx_include_dir='${libsubdir}/include/c++'
1878   else
1879     . ${srcdir}/config.if
1880     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1881   fi
1882 else
1883   gxx_include_dir=${gxx_include_dir}
1884 fi
1885
1886 FLAGS_FOR_TARGET=
1887 case " $target_configdirs " in
1888  *" newlib "*)
1889   case " $target_configargs " in
1890   *" --with-newlib "*)
1891    case "$target" in
1892    *-cygwin*)
1893      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' ;;
1894    esac
1895
1896    # If we're not building GCC, don't discard standard headers.
1897    if test -d ${srcdir}/gcc; then
1898      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1899
1900      if test "${build}" != "${host}"; then
1901        # On Canadian crosses, CC_FOR_TARGET will have already been set
1902        # by `configure', so we won't have an opportunity to add -Bgcc/
1903        # to it.  This is right: we don't want to search that directory
1904        # for binaries, but we want the header files in there, so add
1905        # them explicitly.
1906        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1907
1908        # Someone might think of using the pre-installed headers on
1909        # Canadian crosses, in case the installed compiler is not fully
1910        # compatible with the compiler being built.  In this case, it
1911        # would be better to flag an error than risking having
1912        # incompatible object files being constructed.  We can't
1913        # guarantee that an error will be flagged, but let's hope the
1914        # compiler will do it, when presented with incompatible header
1915        # files.
1916      fi
1917    fi
1918
1919    case "${target}-${is_cross_compiler}" in
1920    i[[3456]]86-*-linux*-no)
1921       # Here host == target, so we don't need to build gcc,
1922       # so we don't want to discard standard headers.
1923       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1924       ;;
1925    *)
1926       # If we're building newlib, use its generic headers last, but search
1927       # for any libc-related directories first (so make it the last -B
1928       # switch).
1929       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1930       ;;
1931    esac
1932    ;;
1933   esac
1934   ;;
1935 esac
1936
1937 # On Canadian crosses, we'll be searching the right directories for
1938 # the previously-installed cross compiler, so don't bother to add
1939 # flags for directories within the install tree of the compiler
1940 # being built; programs in there won't even run.
1941 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1942   # Search for pre-installed headers if nothing else fits.
1943   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1944 fi
1945
1946 if test "x${use_gnu_ld}" = x &&
1947    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1948   # Arrange for us to find uninstalled linker scripts.
1949   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1950 fi
1951
1952 if test "x${CC_FOR_TARGET+set}" = xset; then
1953   :
1954 elif test -d ${srcdir}/gcc; then
1955   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1956 elif test "$host" = "$target"; then
1957   CC_FOR_TARGET='$(CC)'
1958 else
1959   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1960 fi
1961 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1962
1963 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1964   :
1965 elif test -d ${srcdir}/gcc; then
1966   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1967 elif test "$host" = "$target"; then
1968   GCJ_FOR_TARGET='gcj'
1969 else
1970   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1971 fi
1972 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1973
1974 # Don't use libstdc++-v3's flags to configure/build itself.
1975 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1976 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1977
1978 if test "x${CXX_FOR_TARGET+set}" = xset; then
1979   :
1980 elif test -d ${srcdir}/gcc; then
1981   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1982   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1983   # default whereas gcc does not.
1984   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1985   # all other cases.
1986   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1987   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1988 elif test "$host" = "$target"; then
1989   CXX_FOR_TARGET='$(CXX)'
1990   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1991 else
1992   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1993   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1994 fi
1995 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1996 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1997
1998 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1999 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2000
2001 # We want to defer the evaluation of `cmd`s and shell variables in
2002 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2003 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2004 # quotes, but we still have to duplicate `$'s so that shell variables
2005 # can be expanded by the nested make as shell variables, not as make
2006 # macros.
2007 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2008 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2009
2010 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2011 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2012 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2013 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2014 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2015 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2016 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2017
2018 # Makefile fragments.
2019 host_makefile_frag=${srcdir}/${host_makefile_frag}
2020 target_makefile_frag=${srcdir}/${target_makefile_frag}
2021 alphaieee_frag=${srcdir}/${alphaieee_frag}
2022 ospace_frag=${srcdir}/${ospace_frag}
2023 AC_SUBST_FILE(host_makefile_frag)
2024 AC_SUBST_FILE(target_makefile_frag)
2025 AC_SUBST_FILE(alphaieee_frag)
2026 AC_SUBST_FILE(ospace_frag)
2027
2028 # Miscellanea: directories, flags, etc.
2029 AC_SUBST(SET_LIB_PATH)
2030 AC_SUBST(RPATH_ENVVAR)
2031 AC_SUBST(BUILD_PREFIX)
2032 AC_SUBST(BUILD_PREFIX_1)
2033 AC_SUBST(configlinks)
2034 AC_SUBST(enable_shared)
2035 AC_SUBST(enable_threads)
2036 AC_SUBST(enable_version_specific_runtime_libs)
2037 AC_SUBST(gcc_version_trigger)
2038 AC_SUBST(gcc_version)
2039 AC_SUBST(tooldir)
2040 AC_SUBST(build_tooldir)
2041 AC_SUBST(GDB_TK)
2042 AC_SUBST(gxx_include_dir)
2043 AC_SUBST(libstdcxx_incdir)
2044
2045 # Build module lists & subconfigure args.
2046 AC_SUBST(build_subdir)
2047 AC_SUBST(build_configargs)
2048 AC_SUBST(configure_build_modules)
2049 AC_SUBST(all_build_modules)
2050
2051 # Host module lists & subconfigure args.
2052 AC_SUBST(host_configargs)
2053 AC_SUBST(configdirs)
2054 AC_SUBST(configure_host_modules)
2055 AC_SUBST(all_host_modules)
2056 AC_SUBST(check_host_modules)
2057 AC_SUBST(install_host_modules)
2058 AC_SUBST(install_host_modules_nogcc)
2059
2060 # Target module lists & subconfigure args.
2061 AC_SUBST(target_subdir)
2062 AC_SUBST(target_configargs)
2063 AC_SUBST(target_configdirs)
2064 AC_SUBST(configure_target_modules)
2065 AC_SUBST(all_target_modules)
2066 AC_SUBST(check_target_modules)
2067 AC_SUBST(install_target_modules)
2068
2069 # Build tools.
2070 AC_SUBST(BISON)
2071 AC_SUBST(CC_FOR_BUILD)
2072 AC_SUBST(LEX)
2073 AC_SUBST(MAKEINFO)
2074 AC_SUBST(YACC)
2075 AC_SUBST(config_shell)
2076
2077 # Host tools.
2078 NCN_STRICT_CHECK_TOOL(AR, ar)
2079 NCN_STRICT_CHECK_TOOL(AS, as)
2080 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2081 NCN_STRICT_CHECK_TOOL(LD, ld)
2082 NCN_STRICT_CHECK_TOOL(NM, nm)
2083 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2084 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2085 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2086 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2087 AC_SUBST(CC)
2088 AC_SUBST(CXX)
2089 AC_SUBST(CFLAGS)
2090 AC_SUBST(CXXFLAGS)
2091 AC_SUBST(DEFAULT_YACC)
2092 AC_SUBST(DEFAULT_LEX)
2093 AC_SUBST(DEFAULT_M4)
2094
2095 # Target tools.
2096 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2097 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2098 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2099 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2100 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2101 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2102 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2103
2104 AC_SUBST(GCC_FOR_TARGET)
2105 AC_SUBST(FLAGS_FOR_TARGET)
2106 AC_SUBST(CC_FOR_TARGET)
2107 AC_SUBST(GCJ_FOR_TARGET)
2108 AC_SUBST(CXX_FOR_TARGET)
2109 AC_SUBST(RAW_CXX_FOR_TARGET)
2110 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2111 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2112
2113 # Fix up target tools.
2114 if test "x${build}" = "x${host}" ; then
2115   # In this case, the newly built tools can and should be used,
2116   # so we override the results of the autoconf tests.
2117   # This should really only happen when the tools are actually being built,
2118   # but that's a further refinement.  The new build scheme, where
2119   # tools are built into a structure paralleling where they're installed,
2120   # should also eliminate all of this cleanly.
2121   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2122   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2123   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2124   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2125   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2126   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2127   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2128 fi
2129 # Certain tools may need extra flags.
2130 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2131 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2132 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2133
2134 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2135 AC_ARG_ENABLE(maintainer-mode,
2136 [  --enable-maintainer-mode enable make rules and dependencies not useful
2137                           (and sometimes confusing) to the casual installer],
2138       USE_MAINTAINER_MODE=$enableval,
2139       USE_MAINTAINER_MODE=no)
2140 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2141 AC_SUBST(MAINTAINER_MODE_TRUE)
2142 AC_SUBST(MAINTAINER_MODE_FALSE)
2143 if test "$USE_MAINTAINER_MODE" = yes; then
2144   MAINTAINER_MODE_TRUE=
2145   MAINTAINER_MODE_FALSE='#'
2146 else
2147   MAINTAINER_MODE_TRUE='#'
2148   MAINTAINER_MODE_FALSE=
2149 fi
2150 MAINT=$MAINTAINER_MODE_TRUE
2151 AC_SUBST(MAINT)dnl
2152
2153 AC_OUTPUT(Makefile)