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