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_libraries="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 libraries, and are intended to
 148 # run only in the target environment
 149 #
 150 # note: any program that *uses* libraries that are in the "target_libraries"
 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_libraries} ${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 ${libgcj} target-newlib target-libgloss"
 458     ;;
 459   d10v-*-*)
 460     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 461     ;;
 462   d30v-*-*)
 463     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 464     ;;
 465   fr30-*-elf*)
 466     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 467     ;;
 468   frv-*-*)
 469     noconfigdirs="$noconfigdirs ${libgcj}"
 470     ;;
 471   h8300*-*-*)
 472     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 473     ;;
 474   h8500-*-*)
 475     noconfigdirs="$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 ${libgcj}"
 495     ;;
 496   i960-*-*)
 497     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 498     ;;
 499   ia64*-*-elf*)
 500     # No gdb support yet.
 501     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 502     ;;
 503   ia64*-**-hpux*)
 504     # No gdb or ld support yet.
 505     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 506     ;;
 507   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 508     noconfigdirs="$noconfigdirs ${libgcj}"
 509     ;;
 510   i[[3456789]]86-*-freebsd*)
 511     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 512     ;;
 513   i[[3456789]]86-*-linux*)
 514     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 515     # not build java stuff by default.
 516     case "${target}" in
 517       *-*-*libc1*)
 518         noconfigdirs="$noconfigdirs ${libgcj}";;
 519     esac
 520
 521     # This section makes it possible to build newlib natively on linux.
 522     # If we are using a cross compiler then don't configure newlib.
 523     if test x${is_cross_compiler} != xno ; then
 524       noconfigdirs="$noconfigdirs target-newlib"
 525     fi
 526     noconfigdirs="$noconfigdirs target-libgloss"
 527     # If we are not using a cross compiler, do configure newlib.
 528     # Note however, that newlib will only be configured in this situation
 529     # if the --with-newlib option has been given, because otherwise
 530     # 'target-newlib' will appear in skipdirs.
 531     ;;
 532   i[[3456789]]86-*-mingw32*)
 533     target_configdirs="$target_configdirs target-mingw"
 534     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 535
 536     # Can't build gdb for mingw32 if not native.
 537     case "${host}" in
 538       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 539       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 540          ;;
 541     esac
 542     ;;
 543   *-*-cygwin*)
 544     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 545     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 546     # always build newlib.
 547     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 548
 549     # Can't build gdb for Cygwin if not native.
 550     case "${host}" in
 551       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 552       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 553          ;;
 554     esac
 555     ;;
 556   i[[3456789]]86-*-pe)
 557     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 558     ;;
 559   i[[3456789]]86-*-sco3.2v5*)
 560     # The linker does not yet know about weak symbols in COFF,
 561     # and is not configured to handle mixed ELF and COFF.
 562     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 563     ;;
 564   i[[3456789]]86-*-sco*)
 565     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 566     ;;
 567   i[[3456789]]86-*-solaris2*)
 568     noconfigdirs="$noconfigdirs target-libgloss"
 569     ;;
 570   i[[3456789]]86-*-sysv4*)
 571     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 572     ;;
 573   i[[3456789]]86-*-beos*)
 574     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 575     ;;
 576   m32r-*-*)
 577     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 578     ;;
 579   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 580     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 581     ;;
 582   m68k-*-elf*)
 583     noconfigdirs="$noconfigdirs ${libgcj}"
 584     ;;
 585   m68k-*-coff*)
 586     noconfigdirs="$noconfigdirs ${libgcj}"
 587     ;;
 588   mcore-*-pe*)
 589   # The EPOC C++ environment does not support exceptions or rtti,
 590   # and so building libstdc++-v3 tends not to always work.
 591     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 592     ;;
 593   mmix-*-*)
 594     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 595     ;;
 596   mn10200-*-*)
 597     noconfigdirs="$noconfigdirs ${libgcj}"
 598     ;;
 599   mn10300-*-*)
 600     noconfigdirs="$noconfigdirs ${libgcj}"
 601     ;;
 602   powerpc-*-aix*)
 603     # copied from rs6000-*-* entry
 604     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 605     ;;
 606   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 607     target_configdirs="$target_configdirs target-winsup"
 608     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 609     # always build newlib.
 610     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 611     ;;
 612     # This is temporary until we can link against shared libraries
 613   powerpcle-*-solaris*)
 614     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 615     ;;
 616   powerpc-*-beos*)
 617     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 618     ;;
 619   powerpc-*-eabi)
 620     noconfigdirs="$noconfigdirs ${libgcj}"
 621     ;;
 622   rs6000-*-lynxos*)
 623     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 624     ;;
 625   rs6000-*-aix*)
 626     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 627     ;;
 628   rs6000-*-*)
 629     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 630     ;;
 631   m68k-apollo-*)
 632     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 633     ;;
 634   mips*-*-irix5*)
 635     # The GNU linker does not support shared libraries.
 636     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 637     ;;
 638   mips*-*-irix6*)
 639     # Linking libjava exceeds command-line length limits on at least
 640     # IRIX 6.2, but not on IRIX 6.5.
 641     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 642     # <oldham@codesourcery.com>
 643     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 644     ;;
 645   mips*-dec-bsd*)
 646     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 647     ;;
 648   mips*-*-bsd*)
 649     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 650     ;;
 651   mipstx39-*-*)
 652     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 653     ;;
 654   mips*-*-linux*)
 655     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 656     ;;
 657   mips*-*-*)
 658     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 659     ;;
 660   romp-*-*)
 661     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 662     ;;
 663   sh-*-*)
 664     case "${host}" in
 665       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 666       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 667       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 668       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 669     esac
 670     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 671     ;;
 672   sh64-*-*)
 673     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 674     ;;
 675   sparc-*-elf*)
 676     noconfigdirs="$noconfigdirs ${libgcj}"
 677     ;;
 678   sparc64-*-elf*)
 679     noconfigdirs="$noconfigdirs ${libgcj}"
 680     ;;
 681   sparclite-*-*)
 682     noconfigdirs="$noconfigdirs ${libgcj}"
 683     ;;
 684   sparc-*-sunos4*)
 685     noconfigdirs="$noconfigdirs ${libgcj}"
 686     if test x${is_cross_compiler} != xno ; then
 687            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 688     else
 689            use_gnu_ld=no
 690     fi
 691     ;;
 692   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 693     ;;
 694   v810-*-*)
 695     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 696     ;;
 697   v850-*-*)
 698     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 699     ;;
 700   v850e-*-*)
 701     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 702     ;;
 703   v850ea-*-*)
 704     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 705     ;;
 706   vax-*-vms)
 707     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 708     ;;
 709   vax-*-*)
 710     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 711     ;;
 712   ip2k-*-*)
 713     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 714     ;;
 715   *-*-linux*)
 716     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 717     ;;
 718   *-*-lynxos*)
 719     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 720     ;;
 721   *-*-*)
 722     noconfigdirs="$noconfigdirs ${libgcj}"
 723     ;;
 724 esac
 725
 726 # If we aren't building newlib, then don't build libgloss, since libgloss
 727 # depends upon some newlib header files.
 728 case "${noconfigdirs}" in
 729   *target-libgloss*) ;;
 730   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 731 esac
 732
 733 # Figure out what language subdirectories are present.
 734 # Look if the user specified --enable-languages="..."; if not, use
 735 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 736 # go away some day.
 737 # NB:  embedded tabs in this IF block -- do not untabify
 738 if test x"${enable_languages+set}" != xset; then
 739   if test x"${LANGUAGES+set}" = xset; then
 740     enable_languages="${LANGUAGES}"
 741       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 742   else
 743     enable_languages=all
 744   fi
 745 else
 746   if test x"${enable_languages}" = x ||
 747      test x"${enable_languages}" = xyes;
 748      then
 749     echo configure.in: --enable-languages needs at least one language argument 1>&2
 750     exit 1
 751   fi
 752 fi
 753 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 754
 755 # First scan to see if an enabled language requires some other language.
 756 # We assume that a given config-lang.in will list all the language
 757 # front ends it requires, even if some are required indirectly.
 758 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 759   case ${lang_frag} in
 760     ..) ;;
 761     # The odd quoting in the next line works around
 762     # an apparent bug in bash 1.12 on linux.
 763     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 764     *)
 765       # From the config-lang.in, get $language, $lang_requires
 766       language=
 767       lang_requires=
 768       . ${lang_frag}
 769       for other in ${lang_requires} ; do
 770         case ,${enable_languages}, in
 771           *,$other,*) ;;
 772           *,all,*) ;;
 773           *,$language,*)
 774             echo " \`$other' language required by \`$language'; enabling" 1>&2
 775             enable_languages="${enable_languages},${other}"
 776             ;;
 777         esac
 778       done
 779       ;;
 780   esac
 781 done
 782
 783 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 784   case ${lang_frag} in
 785     ..) ;;
 786     # The odd quoting in the next line works around
 787     # an apparent bug in bash 1.12 on linux.
 788     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 789     *)
 790       # From the config-lang.in, get $language, $target_libs,
 791       # $lang_dirs, and $build_by_default
 792       language=
 793       target_libs=
 794       lang_dirs=
 795       build_by_default=
 796       . ${lang_frag}
 797       if test "x$language" = x ; then
 798         echo "${lang_frag} doesn't set \$language." 1>&2
 799         exit 1
 800       fi
 801       case ,${enable_languages}, in
 802         *,${language},*)
 803           # Language was explicitly selected; include it.
 804           add_this_lang=yes
 805           ;;
 806         *,all,*)
 807           # 'all' was selected; include 'default' languages.
 808           case ${build_by_default} in
 809             no) add_this_lang=no ;;
 810             *) add_this_lang=yes ;;
 811           esac
 812           ;;
 813         *) add_this_lang=no ;;
 814       esac
 815       case ${add_this_lang} in
 816         no)
 817           # Remove language-dependent dirs.
 818           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 819           ;;
 820       esac
 821       ;;
 822   esac
 823 done
 824
 825 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 826 # $target_configdirs.
 827 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 828
 829 notsupp=""
 830 for dir in . $skipdirs $noconfigdirs ; do
 831   dirname=`echo $dir | sed -e s/target-//g`
 832   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 833     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 834     if test -r $srcdir/$dirname/configure ; then
 835       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 836         true
 837       else
 838         notsupp="$notsupp $dir"
 839       fi
 840     fi
 841   fi
 842   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 843     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 844     if test -r $srcdir/$dirname/configure ; then
 845       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 846         true
 847       else
 848         notsupp="$notsupp $dir"
 849       fi
 850     fi
 851   fi
 852 done
 853
 854 # Sometimes the tools are distributed with libiberty but with no other
 855 # libraries.  In that case, we don't want to build target-libiberty.
 856 if test -n "${target_configdirs}" ; then
 857   others=
 858   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 859     if test "$i" != "libiberty" ; then
 860       if test -r $srcdir/$i/configure ; then
 861         others=yes;
 862         break;
 863       fi
 864     fi
 865   done
 866   if test -z "${others}" ; then
 867     target_configdirs=
 868   fi
 869 fi
 870
 871 # Quietly strip out all directories which aren't configurable in this tree.
 872 # This relies on all configurable subdirectories being autoconfiscated, which
 873 # is now the case.
 874 configdirs_all="$configdirs"
 875 configdirs=
 876 for i in ${configdirs_all} ; do
 877   if test -f ${srcdir}/$i/configure ; then
 878     configdirs="${configdirs} $i"
 879   fi
 880 done
 881 target_configdirs_all="$target_configdirs"
 882 target_configdirs=
 883 for i in ${target_configdirs_all} ; do
 884   j=`echo $i | sed -e s/target-//g`
 885   if test -f ${srcdir}/$j/configure ; then
 886     target_configdirs="${target_configdirs} $i"
 887   fi
 888 done
 889
 890 # Produce a warning message for the subdirs we can't configure.
 891 # This isn't especially interesting in the Cygnus tree, but in the individual
 892 # FSF releases, it's important to let people know when their machine isn't
 893 # supported by the one or two programs in a package.
 894
 895 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 896   # If $appdirs is non-empty, at least one of those directories must still
 897   # be configured, or we error out.  (E.g., if the gas release supports a
 898   # specified target in some subdirs but not the gas subdir, we shouldn't
 899   # pretend that all is well.)
 900   if test -n "$appdirs" ; then
 901     for dir in $appdirs ; do
 902       if test -r $dir/Makefile.in ; then
 903         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 904           appdirs=""
 905           break
 906         fi
 907         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 908           appdirs=""
 909           break
 910         fi
 911       fi
 912     done
 913     if test -n "$appdirs" ; then
 914       echo "*** This configuration is not supported by this package." 1>&2
 915       exit 1
 916     fi
 917   fi
 918   # Okay, some application will build, or we don't care to check.  Still
 919   # notify of subdirs not getting built.
 920   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 921   echo "    ${notsupp}" 1>&2
 922   echo "    (Any other directories should still work fine.)" 1>&2
 923 fi
 924
 925 case "$host" in
 926   *msdosdjgpp*)
 927     enable_gdbtk=no ;;
 928 esac
 929
 930 copy_dirs=
 931
 932 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 933 # the named directory are copied to $(tooldir)/sys-include.
 934 if test x"${with_headers}" != x ; then
 935   if test x${is_cross_compiler} = xno ; then
 936     echo 1>&2 '***' --with-headers is only supported when cross compiling
 937     exit 1
 938   fi
 939   if test x"${with_headers}" != xyes ; then
 940     case "${exec_prefixoption}" in
 941     "") x=${prefix} ;;
 942     *) x=${exec_prefix} ;;
 943     esac
 944     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 945   fi
 946 fi
 947
 948 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 949 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 950 # are permitted.
 951 if test x"${with_libs}" != x ; then
 952   if test x${is_cross_compiler} = xno ; then
 953     echo 1>&2 '***' --with-libs is only supported when cross compiling
 954     exit 1
 955   fi
 956   if test x"${with_libs}" != xyes ; then
 957     # Copy the libraries in reverse order, so that files in the first named
 958     # library override files in subsequent libraries.
 959     case "${exec_prefixoption}" in
 960     "") x=${prefix} ;;
 961     *) x=${exec_prefix} ;;
 962     esac
 963     for l in ${with_libs}; do
 964       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 965     done
 966   fi
 967 fi
 968
 969 # Handle ${copy_dirs}
 970 set fnord ${copy_dirs}
 971 shift
 972 while test $# != 0 ; do
 973   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 974     :
 975   else
 976     echo Copying $1 to $2
 977
 978     # Use the install script to create the directory and all required
 979     # parent directories.
 980     if test -d $2 ; then
 981       :
 982     else
 983       echo >config.temp
 984       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 985     fi
 986
 987     # Copy the directory, assuming we have tar.
 988     # FIXME: Should we use B in the second tar?  Not all systems support it.
 989     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 990
 991     # It is the responsibility of the user to correctly adjust all
 992     # symlinks.  If somebody can figure out how to handle them correctly
 993     # here, feel free to add the code.
 994
 995     echo $1 > $2/COPIED
 996   fi
 997   shift; shift
 998 done
 999
1000 # Work in distributions that contain no compiler tools, like Autoconf.
1001 tentative_cc=""
1002 host_makefile_frag=/dev/null
1003 if test -d ${srcdir}/config ; then
1004 case "${host}" in
1005   m68k-hp-hpux*)
1006     # Avoid "too much defining" errors from HPUX compiler.
1007     tentative_cc="cc -Wp,-H256000"
1008     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1009     # If it's HP/UX ar, this should be harmless.
1010     RANLIB="ar ts"
1011     ;;
1012   m68k-apollo-sysv*)
1013     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1014     ;;
1015   m68k-apollo-bsd*)
1016     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1017     # chokes on bfd, the compiler won't let you assign integers to enums, and
1018     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1019     # the apollo compiler" (the preferred version of GCC could be called cc,
1020     # or whatever), but I'm not sure leaving CC as cc is any better...
1021     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1022     # Used to have BISON=yacc.
1023     tentative_cc=gcc
1024     ;;
1025   m88k-dg-dgux*)
1026     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1027     ;;
1028   m88k-harris-cxux*)
1029     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1030     tentative_cc="cc -Xa"
1031     host_makefile_frag="config/mh-cxux"
1032     ;;
1033   m88k-motorola-sysv*)
1034     ;;
1035   mips*-dec-ultrix*)
1036     tentative_cc="cc -Wf,-XNg1000"
1037     host_makefile_frag="config/mh-decstation"
1038     ;;
1039   mips*-nec-sysv4*)
1040     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1041     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1042     host_makefile_frag="config/mh-necv4"
1043     ;;
1044   mips*-sgi-irix4*)
1045     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1046     # environment.  Also bump switch table size so that cp-parse will
1047     # compile.  Bump string length limit so linker builds.
1048     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1049     ;;
1050   mips*-*-sysv4*)
1051     host_makefile_frag="config/mh-sysv4"
1052     ;;
1053   mips*-*-sysv*)
1054     # This is for a MIPS running RISC/os 4.52C.
1055
1056     # This is needed for GDB, but needs to be in the top-level make because
1057     # if a library is compiled with the bsd headers and gets linked with the
1058     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1059     # a different size).
1060     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1061     # known except to select the sysv environment.  Could we use /proc instead?
1062     # These "sysv environments" and "bsd environments" often end up being a pain.
1063     #
1064     # This is not part of CFLAGS because perhaps not all C compilers have this
1065     # option.
1066     tentative_cc="cc -systype sysv"
1067     ;;
1068   i370-ibm-opened*)
1069     tentative_cc="c89"
1070     ;;
1071   i[[3456789]]86-*-sysv5*)
1072     host_makefile_frag="config/mh-sysv5"
1073     ;;
1074   i[[3456789]]86-*-dgux*)
1075     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1076     host_makefile_frag="config/mh-dgux386"
1077     ;;
1078   i[[3456789]]86-ncr-sysv4.3*)
1079     # The MetaWare compiler will generate a copyright message unless you
1080     # turn it off by adding the -Hnocopyr flag.
1081     tentative_cc="cc -Hnocopyr"
1082     ;;
1083   i[[3456789]]86-ncr-sysv4*)
1084     # for an NCR 3000 (i486/SVR4) system.
1085     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1086     # This compiler not only emits obnoxious copyright messages every time
1087     # you run it, but it chokes and dies on a whole bunch of GNU source
1088     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1089     tentative_cc="/usr/ccs/ATT/cc"
1090     host_makefile_frag="config/mh-ncr3000"
1091     ;;
1092   i[[3456789]]86-*-sco3.2v5*)
1093     ;;
1094   i[[3456789]]86-*-sco*)
1095     # The native C compiler botches some simple uses of const.  Unfortunately,
1096     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1097     tentative_cc="cc -Dconst="
1098     host_makefile_frag="config/mh-sco"
1099     ;;
1100   i[[3456789]]86-*-udk*)
1101     host_makefile_frag="config/mh-sysv5"
1102     ;;
1103   i[[3456789]]86-*-solaris2*)
1104     host_makefile_frag="config/mh-sysv4"
1105     ;;
1106   i[[3456789]]86-*-msdosdjgpp*)
1107     host_makefile_frag="config/mh-djgpp"
1108     ;;
1109   *-cygwin*)
1110     host_makefile_frag="config/mh-cygwin"
1111     ;;
1112   *-mingw32*)
1113     host_makefile_frag="config/mh-mingw32"
1114     ;;
1115   *-interix*)
1116     host_makefile_frag="config/mh-interix"
1117     ;;
1118   vax-*-ultrix2*)
1119     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1120     tentative_cc=gcc
1121     ;;
1122   *-*-solaris2*)
1123     host_makefile_frag="config/mh-solaris"
1124     ;;
1125   m68k-sun-sunos*)
1126     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1127     # without overflowing the jump tables (-J says to use a 32 bit table)
1128     tentative_cc="cc -J"
1129     ;;
1130   *-hp-hpux*)
1131     tentative_cc="cc -Wp,-H256000"
1132     ;;
1133   *-*-hiux*)
1134     tentative_cc="cc -Wp,-H256000"
1135     ;;
1136   rs6000-*-lynxos*)
1137     # /bin/cc is less than useful for our purposes.  Always use GCC
1138     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1139     host_makefile_frag="config/mh-lynxrs6k"
1140     ;;
1141   *-*-lynxos*)
1142     # /bin/cc is less than useful for our purposes.  Always use GCC
1143     tentative_cc="/bin/gcc"
1144     ;;
1145   *-*-sysv4*)
1146     host_makefile_frag="config/mh-sysv4"
1147     ;;
1148 esac
1149 fi
1150
1151 extra_arflags_for_target=
1152 extra_nmflags_for_target=
1153 extra_ranlibflags_for_target=
1154 target_makefile_frag=/dev/null
1155 case "${target}" in
1156   i[[3456789]]86-*-netware*)
1157     target_makefile_frag="config/mt-netware"
1158     ;;
1159   powerpc-*-netware*)
1160     target_makefile_frag="config/mt-netware"
1161     ;;
1162   *-*-linux*)
1163     target_makefile_frag="config/mt-linux"
1164     ;;
1165   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1166     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1167     # commands to handle both 32-bit and 64-bit objects.  These flags are
1168     # harmless if we're using GNU nm or ar.
1169     extra_arflags_for_target=" -X32_64"
1170     extra_nmflags_for_target=" -B -X32_64"
1171     ;;
1172   *-*-darwin*)
1173     # ranlib from Darwin requires the -c flag to look at common symbols.
1174     extra_ranlibflags_for_target=" -c"
1175     ;;
1176   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1177     target_makefile_frag="config/mt-wince"
1178     ;;
1179 esac
1180
1181 alphaieee_frag=/dev/null
1182 case $target in
1183   alpha*-*-*)
1184     # This just makes sure to use the -mieee option to build target libs.
1185     # This should probably be set individually by each library.
1186     alphaieee_frag="config/mt-alphaieee"
1187     ;;
1188 esac
1189
1190 # If --enable-target-optspace always use -Os instead of -O2 to build
1191 # the target libraries, similarly if it is not specified, use -Os
1192 # on selected platforms.
1193 ospace_frag=/dev/null
1194 case "${enable_target_optspace}:${target}" in
1195   yes:*)
1196     ospace_frag="config/mt-ospace"
1197     ;;
1198   :d30v-*)
1199     ospace_frag="config/mt-d30v"
1200     ;;
1201   :m32r-* | :d10v-* | :fr30-*)
1202     ospace_frag="config/mt-ospace"
1203     ;;
1204   no:* | :*)
1205     ;;
1206   *)
1207     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1208     ;;
1209 esac
1210
1211 # Set with_gnu_as and with_gnu_ld as appropriate.
1212 #
1213 # This is done by determining whether or not the appropriate directory
1214 # is available, and by checking whether or not specific configurations
1215 # have requested that this magic not happen.
1216 #
1217 # The command line options always override the explicit settings in
1218 # configure.in, and the settings in configure.in override this magic.
1219 #
1220 # If the default for a toolchain is to use GNU as and ld, and you don't
1221 # want to do that, then you should use the --without-gnu-as and
1222 # --without-gnu-ld options for the configure script.
1223
1224 if test x${use_gnu_as} = x &&
1225    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1226   with_gnu_as=yes
1227   extra_host_args="$extra_host_args --with-gnu-as"
1228 fi
1229
1230 if test x${use_gnu_ld} = x &&
1231    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1232   with_gnu_ld=yes
1233   extra_host_args="$extra_host_args --with-gnu-ld"
1234 fi
1235
1236 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1237 # can detect this case.
1238
1239 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1240   with_newlib=yes
1241   extra_host_args="$extra_host_args --with-newlib"
1242 fi
1243
1244
1245 # Default to using --with-stabs for certain targets.
1246 if test x${with_stabs} = x ; then
1247   case "${target}" in
1248   mips*-*-irix6*)
1249     ;;
1250   mips*-*-* | alpha*-*-osf*)
1251     with_stabs=yes;
1252     extra_host_args="${extra_host_args} --with-stabs"
1253     ;;
1254   esac
1255 fi
1256
1257 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1258 # them automatically.
1259 case "${host}" in
1260   hppa*64*-*-hpux11*)
1261     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1262     ;;
1263 esac
1264
1265 # If we aren't going to be using gcc, see if we can extract a definition
1266 # of CC from the fragment.
1267 # Actually, use the 'pre-extracted' version above.
1268 if test -z "${CC}" && test "${build}" = "${host}" ; then
1269   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1270   found=
1271   for dir in $PATH; do
1272     test -z "$dir" && dir=.
1273     if test -f $dir/gcc; then
1274       found=yes
1275       break
1276     fi
1277   done
1278   IFS="$save_ifs"
1279   if test -z "${found}" && test -n "${tentative_cc}" ; then
1280     CC=$tentative_cc
1281   fi
1282 fi
1283
1284 # Some systems (e.g., one of the i386-aix systems the gas testers are
1285 # using) don't handle "\$" correctly, so don't use it here.
1286 tooldir='${exec_prefix}'/${target_alias}
1287 build_tooldir=${tooldir}
1288
1289 # Generate a default definition for YACC.  This is used if the makefile can't
1290 # locate bison or byacc in objdir.
1291
1292 for prog in 'bison -y' byacc yacc
1293 do
1294   set dummy $prog; tmp=$2
1295   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1296   for dir in $PATH; do
1297     test -z "$dir" && dir=.
1298     if test -f $dir/$tmp; then
1299       DEFAULT_YACC="$prog"
1300       break
1301     fi
1302   done
1303   IFS="$save_ifs"
1304
1305   test -n "$DEFAULT_YACC" && break
1306 done
1307
1308 # Generate a default definition for M4.  This is used if the makefile can't
1309 # locate m4 in objdir.
1310
1311 for prog in gm4 gnum4 m4
1312 do
1313   set dummy $prog; tmp=$2
1314   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1315   for dir in $PATH; do
1316     test -z "$dir" && dir=.
1317     if test -f $dir/$tmp; then
1318       DEFAULT_M4="$prog"
1319       break
1320     fi
1321   done
1322   IFS="$save_ifs"
1323
1324   test -n "$DEFAULT_M4" && break
1325 done
1326
1327 # Generate a default definition for LEX.  This is used if the makefile can't
1328 # locate flex in objdir.
1329
1330 for prog in flex lex
1331 do
1332   set dummy $prog; tmp=$2
1333   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1334   for dir in $PATH; do
1335     test -z "$dir" && dir=.
1336     if test -f $dir/$tmp; then
1337       DEFAULT_LEX="$prog"
1338       break
1339     fi
1340   done
1341   IFS="$save_ifs"
1342
1343   test -n "$DEFAULT_LEX" && break
1344 done
1345
1346 if test "${build}" != "${host}" ; then
1347   # If we are doing a Canadian Cross, in which the host and build systems
1348   # are not the same, we set reasonable default values for the tools.
1349
1350   BISON=${BISON-bison}
1351   CC=${CC-${host_alias}-gcc}
1352   CFLAGS=${CFLAGS-"-g -O2"}
1353   CXX=${CXX-${host_alias}-c++}
1354   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1355   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1356   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1357   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1358   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1359   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1360   BUILD_PREFIX=${build_alias}-
1361   BUILD_PREFIX_1=${build_alias}-
1362   MAKEINFO=${MAKEINFO-makeinfo}
1363
1364   if test -z "${YACC}" ; then
1365     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1366     for dir in $PATH; do
1367       test -z "$dir" && dir=.
1368       if test -f $dir/bison; then
1369         YACC="bison -y"
1370         break
1371       fi
1372       if test -f $dir/byacc; then
1373         YACC=byacc
1374         break
1375       fi
1376       if test -f $dir/yacc; then
1377         YACC=yacc
1378         break
1379       fi
1380     done
1381     IFS="$save_ifs"
1382     if test -z "${YACC}" ; then
1383       YACC="bison -y"
1384     fi
1385   fi
1386
1387   if test -z "${LEX}" ; then
1388     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1389     for dir in $PATH; do
1390       test -z "$dir" && dir=.
1391       if test -f $dir/flex; then
1392         LEX=flex
1393         break
1394       fi
1395       if test -f $dir/lex; then
1396         LEX=lex
1397         break
1398       fi
1399     done
1400     IFS="$save_ifs"
1401     LEX=${LEX-flex}
1402   fi
1403
1404 else
1405   # Set reasonable default values for some tools even if not Canadian.
1406   # Of course, these are different reasonable default values, originally
1407   # specified directly in the Makefile.
1408   # We don't export, so that autoconf can do its job.
1409   # Note that all these settings are above the fragment inclusion point
1410   # in Makefile.in, so can still be overridden by fragments.
1411   # This is all going to change when we autoconfiscate...
1412
1413   BISON="\$(USUAL_BISON)"
1414   CC_FOR_BUILD="\$(CC)"
1415   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1416   BUILD_PREFIX=
1417   BUILD_PREFIX_1=loser-
1418   MAKEINFO="\$(USUAL_MAKEINFO)"
1419   LEX="\$(USUAL_LEX)"
1420   YACC="\$(USUAL_YACC)"
1421
1422   # If CC is still not set, try to get gcc.
1423   cc_prog_is_gcc=
1424   if test -z "${CC}" ; then
1425     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1426     for dir in $PATH; do
1427       test -z "$dir" && dir=.
1428       if test -f $dir/gcc; then
1429         CC="gcc"
1430         cc_prog_is_gcc=yes
1431         echo 'void f(){}' > conftest.c
1432         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1433           CFLAGS=${CFLAGS-"-g -O2"}
1434           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1435         else
1436           CFLAGS=${CFLAGS-"-O2"}
1437           CXXFLAGS=${CXXFLAGS-"-O2"}
1438         fi
1439         rm -f conftest*
1440         break
1441       fi
1442     done
1443     IFS="$save_ifs"
1444     CC=${CC-cc}
1445   else
1446     # Determine if we are using gcc.
1447     cat > conftest.c <<EOF
1448 #ifdef __GNUC__
1449   yes;
1450 #endif
1451 EOF
1452     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1453       cc_prog_is_gcc=yes
1454     fi
1455     rm -f conftest.c
1456     if test -z "${CFLAGS}"; then
1457       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1458       # is set to a version of gcc.
1459       if test "$cc_prog_is_gcc" = yes; then
1460         echo 'void f(){}' > conftest.c
1461         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1462           CFLAGS=${CFLAGS-"-g -O2"}
1463           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1464         else
1465           CFLAGS=${CFLAGS-"-O2"}
1466           CXXFLAGS=${CXXFLAGS-"-O2"}
1467         fi
1468         rm -f conftest*
1469       fi
1470     fi
1471   fi
1472
1473   # We must set the default linker to the linker used by gcc for the correct
1474   # operation of libtool.  If LD is not defined and we are using gcc, try to
1475   # set the LD default to the ld used by gcc.
1476   if test -z "$LD"; then
1477     if test "$cc_prog_is_gcc" = yes; then
1478       case $build in
1479       *-*-mingw*)
1480         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1481       *)
1482         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1483       esac
1484       case $gcc_prog_ld in
1485       # Accept absolute paths.
1486       [[\\/]* | [A-Za-z]:[\\/]*)]
1487         LD="$gcc_prog_ld" ;;
1488       esac
1489     fi
1490   fi
1491
1492   CXX=${CXX-"c++"}
1493   CFLAGS=${CFLAGS-"-g"}
1494   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1495 fi
1496
1497 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1498 # Set up the list of links to be made.
1499 # ${links} is the list of link names, and ${files} is the list of names to link to.
1500
1501 # Make the links.
1502 configlinks="${links}"
1503 if test -r ./config.status  ; then
1504   mv -f ./config.status ./config.back
1505 fi
1506 while test -n "${files}" ; do
1507   # set file to car of files, files to cdr of files
1508   set ${files}; file=$1; shift; files=$*
1509   set ${links}; link=$1; shift; links=$*
1510
1511   if test ! -r ${srcdir}/${file} ; then
1512     if test ! -r ${file} ; then
1513       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1514       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1515       exit 1
1516     else
1517       srcfile=${file}
1518     fi
1519   else
1520     srcfile=${srcdir}/${file}
1521   fi
1522
1523   ${remove} -f ${link}
1524   # Make a symlink if possible, otherwise try a hard link
1525   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1526     true
1527   else
1528     # We need to re-remove the file because Lynx leaves a
1529     # very strange directory there when it fails an NFS symlink.
1530     ${remove} -r -f ${link}
1531     ${hard_link} ${srcfile} ${link}
1532   fi
1533   if test ! -r ${link} ; then
1534     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1535     exit 1
1536   fi
1537
1538   echo "Linked \"${link}\" to \"${srcfile}\"."
1539 done
1540
1541 # Create a .gdbinit file which runs the one in srcdir
1542 # and tells GDB to look there for source files.
1543
1544 if test -r ${srcdir}/.gdbinit ; then
1545   case ${srcdir} in
1546     .) ;;
1547     *) cat > ./.gdbinit <<EOF
1548 # ${NO_EDIT}
1549 dir ${srcdir}
1550 dir .
1551 source ${srcdir}/.gdbinit
1552 EOF
1553     ;;
1554   esac
1555 fi
1556
1557 # Make sure that the compiler is able to generate an executable.  If it
1558 # can't, we are probably in trouble.  We don't care whether we can run the
1559 # executable--we might be using a cross compiler--we only care whether it
1560 # can be created.  At this point the main configure script has set CC.
1561 we_are_ok=no
1562 echo "int main () { return 0; }" > conftest.c
1563 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1564 if test $? = 0 ; then
1565   if test -s conftest || test -s conftest.exe ; then
1566     we_are_ok=yes
1567   fi
1568 fi
1569 case $we_are_ok in
1570   no)
1571     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1572     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1573     rm -f conftest*
1574     exit 1
1575     ;;
1576 esac
1577 rm -f conftest*
1578
1579 # The Solaris /usr/ucb/cc compiler does not appear to work.
1580 case "${host}" in
1581   sparc-sun-solaris2*)
1582       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1583       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1584           could_use=
1585           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1586           if test -d /opt/cygnus/bin ; then
1587               if test "$could_use" = "" ; then
1588                   could_use="/opt/cygnus/bin"
1589               else
1590                   could_use="$could_use or /opt/cygnus/bin"
1591               fi
1592           fi
1593         if test "$could_use" = "" ; then
1594             echo "Warning: compilation may fail because you're using"
1595             echo "/usr/ucb/cc.  You should change your PATH or CC "
1596             echo "variable and rerun configure."
1597         else
1598             echo "Warning: compilation may fail because you're using"
1599             echo "/usr/ucb/cc, when you should use the C compiler from"
1600             echo "$could_use.  You should change your"
1601             echo "PATH or CC variable and rerun configure."
1602         fi
1603       fi
1604   ;;
1605 esac
1606
1607 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1608 # binutils tools will find libbfd.so.
1609 case "${enable_shared}" in
1610   no | "") SET_LIB_PATH= ;;
1611   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1612 esac
1613
1614 case "${host}" in
1615   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1616   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1617 esac
1618
1619 # Record target_configdirs and the configure arguments for target and
1620 # build configuration in Makefile.
1621 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1622
1623 # This is the final value for target_configdirs.  configdirs already
1624 # has its final value, as does build_modules.  It's time to create some
1625 # lists of valid targets.
1626
1627 all_build_modules=
1628 configure_build_modules=
1629 for module in ${build_modules} ; do
1630   all_build_modules=all-build-${module}
1631   configure_build_modules=configure-build-${module}
1632 done
1633
1634 # Determine whether gdb needs tk/tcl or not.
1635 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1636 # and in that case we want gdb to be built without tk.  Ugh!
1637 # In fact I believe gdb is the *only* package directly dependent on tk,
1638 # so we should be able to put the 'maybe's in unconditionally and
1639 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1640 # 100% sure that that's safe though.
1641
1642 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1643 case "$enable_gdbtk" in
1644   no)
1645     GDB_TK="" ;;
1646   yes)
1647     GDB_TK="${gdb_tk}" ;;
1648   *)
1649     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1650     # distro.  Eventually someone will fix this and move Insight, nee
1651     # gdbtk to a separate directory.
1652     if test -d ${srcdir}/gdb/gdbtk ; then
1653       GDB_TK="${gdb_tk}"
1654     else
1655       GDB_TK=""
1656     fi
1657     ;;
1658 esac
1659
1660 # Create the 'maybe dependencies'.  This uses a temporary file.
1661
1662 # While at that, we remove Makefiles if we were started for recursive
1663 # configuration, so that the top-level Makefile reconfigures them,
1664 # like we used to do when configure itself was recursive.
1665 rm -f maybedep.tmp
1666 echo '# maybedep.tmp' > maybedep.tmp
1667
1668 # Make-targets which may need maybe dependencies.
1669 mts="configure all install check clean distclean dvi info install-info"
1670 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1671
1672 # Loop over modules and make-targets.
1673 for module in ${build_modules} ; do
1674   if test -z "${no_recursion}" \
1675      && test -f ${build_subdir}/${module}/Makefile; then
1676     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1677     rm -f ${build_subdir}/${module}/Makefile
1678   fi
1679   for mt in ${mts} ; do
1680     case ${mt} in
1681       install) ;; # No installing build modules.
1682       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1683     esac
1684   done
1685 done
1686 for module in ${configdirs} ; do
1687   if test -z "${no_recursion}" \
1688      && test -f ${module}/Makefile; then
1689     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1690     rm -f ${module}/Makefile
1691   fi
1692   for mt in ${mts} ; do
1693     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1694   done
1695 done
1696 for module in ${target_configdirs} ; do
1697   if test -z "${no_recursion}" \
1698      && test -f ${target_subdir}/${module}/Makefile; then
1699     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1700     rm -f ${target_subdir}/${module}/Makefile
1701   fi
1702   for mt in ${mts} ; do
1703     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1704   done
1705 done
1706 maybe_dependencies=maybedep.tmp
1707 AC_SUBST_FILE(maybe_dependencies)
1708
1709 # Create the serialization dependencies.  This uses a temporary file.
1710
1711 AC_ARG_ENABLE([serial-configure],
1712 [  --enable-serial-[{host,target,build}-]configure
1713                           Force sequential configuration of
1714                           sub-packages for the host, target or build
1715                           machine, or all sub-packages])
1716
1717 case ${enable_serial_configure} in
1718   yes)
1719     enable_serial_build_configure=yes
1720     enable_serial_host_configure=yes
1721     enable_serial_target_configure=yes
1722     ;;
1723 esac
1724
1725 # These force 'configure's to be done one at a time, to avoid problems
1726 # with contention over a shared config.cache.
1727 rm -f serdep.tmp
1728 echo '# serdep.tmp' > serdep.tmp
1729 olditem=
1730 test "x${enable_serial_build_configure}" = xyes &&
1731 for item in ${build_configdirs} ; do
1732   case ${olditem} in
1733     "") ;;
1734     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1735   esac
1736   olditem=${item}
1737 done
1738 olditem=
1739 test "x${enable_serial_host_configure}" = xyes &&
1740 for item in ${configdirs} ; do
1741   case ${olditem} in
1742     "") ;;
1743     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1744   esac
1745   olditem=${item}
1746 done
1747 olditem=
1748 test "x${enable_serial_target_configure}" = xyes &&
1749 for item in ${target_configdirs} ; do
1750   case ${olditem} in
1751     "") ;;
1752     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1753   esac
1754   olditem=${item}
1755 done
1756 serialization_dependencies=serdep.tmp
1757 AC_SUBST_FILE(serialization_dependencies)
1758
1759 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1760 # target and nonopt.  These are the ones we might not want to pass
1761 # down to subconfigures.
1762 baseargs=`echo " ${ac_configure_args} " | \
1763         sed -e 's/ --no[[^ ]]* / /' \
1764             -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1765             -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1766             -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1767             -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1768             -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1769             -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1770             -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1771             -e 's/ -host[[= ]][[^ ]]* / /' \
1772             -e 's/ -build[[= ]][[^ ]]* / /' \
1773             -e 's/ -target[[= ]][[^ ]]* / /' \
1774             -e "s/ [[^' -][^ ]*] / /" \
1775             -e 's/^ *//;s/ *$//'`
1776
1777 # For the build-side libraries, we just need to pretend we're native,
1778 # and not use the same cache file.  Multilibs are neither needed nor
1779 # desired.
1780 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1781
1782 # For host modules, accept cache file option, or specification as blank.
1783 case "${cache_file}" in
1784 "") # empty
1785   cache_file_option="" ;;
1786 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1787   cache_file_option="--cache-file=${cache_file}" ;;
1788 *) # relative path
1789   cache_file_option="--cache-file=../${cache_file}" ;;
1790 esac
1791
1792 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1793
1794 target_configargs=${baseargs}
1795
1796 # Passing a --with-cross-host argument lets the target libraries know
1797 # whether they are being built with a cross-compiler or being built
1798 # native.  However, it would be better to use other mechanisms to make the
1799 # sorts of decisions they want to make on this basis.  Please consider
1800 # this option to be deprecated.  FIXME.
1801 if test x${is_cross_compiler} = xyes ; then
1802   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1803 fi
1804
1805 # Default to --enable-multilib.
1806 if test x${enable_multilib} = x ; then
1807   target_configargs="--enable-multilib ${target_configargs}"
1808 fi
1809
1810 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1811 # changed from the earlier setting of with_newlib.
1812 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1813   target_configargs="--with-newlib ${target_configargs}"
1814 fi
1815
1816 # Pass the appropriate --host, --build, and --cache-file arguments.
1817 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1818
1819 # provide a proper gxx_include_dir.
1820 # Note, if you change the default, make sure to fix both here and in
1821 # the gcc and libstdc++-v3 subdirectories.
1822 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1823 case "${with_gxx_include_dir}" in
1824   yes)
1825     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1826     ;;
1827   no | "")
1828     case "${enable_version_specific_runtime_libs}" in
1829       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1830       *)
1831         . ${srcdir}/config.if
1832         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1833     esac ;;
1834   *) gxx_include_dir=${with_gxx_include_dir} ;;
1835 esac
1836
1837 FLAGS_FOR_TARGET=
1838 case " $target_configdirs " in
1839  *" newlib "*)
1840   case " $target_configargs " in
1841   *" --with-newlib "*)
1842    case "$target" in
1843    *-cygwin*)
1844      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' ;;
1845    esac
1846
1847    # If we're not building GCC, don't discard standard headers.
1848    if test -d ${srcdir}/gcc; then
1849      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1850
1851      if test "${build}" != "${host}"; then
1852        # On Canadian crosses, CC_FOR_TARGET will have already been set
1853        # by `configure', so we won't have an opportunity to add -Bgcc/
1854        # to it.  This is right: we don't want to search that directory
1855        # for binaries, but we want the header files in there, so add
1856        # them explicitly.
1857        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1858
1859        # Someone might think of using the pre-installed headers on
1860        # Canadian crosses, in case the installed compiler is not fully
1861        # compatible with the compiler being built.  In this case, it
1862        # would be better to flag an error than risking having
1863        # incompatible object files being constructed.  We can't
1864        # guarantee that an error will be flagged, but let's hope the
1865        # compiler will do it, when presented with incompatible header
1866        # files.
1867      fi
1868    fi
1869
1870    case "${target}-${is_cross_compiler}" in
1871    i[[3456789]]86-*-linux*-no)
1872       # Here host == target, so we don't need to build gcc,
1873       # so we don't want to discard standard headers.
1874       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1875       ;;
1876    *)
1877       # If we're building newlib, use its generic headers last, but search
1878       # for any libc-related directories first (so make it the last -B
1879       # switch).
1880       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1881       ;;
1882    esac
1883    ;;
1884   esac
1885   ;;
1886 esac
1887
1888 # On Canadian crosses, we'll be searching the right directories for
1889 # the previously-installed cross compiler, so don't bother to add
1890 # flags for directories within the install tree of the compiler
1891 # being built; programs in there won't even run.
1892 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1893   # Search for pre-installed headers if nothing else fits.
1894   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1895 fi
1896
1897 if test "x${use_gnu_ld}" = x &&
1898    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1899   # Arrange for us to find uninstalled linker scripts.
1900   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1901 fi
1902
1903 if test "x${CC_FOR_TARGET+set}" = xset; then
1904   :
1905 elif test -d ${srcdir}/gcc; then
1906   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1907 elif test "$host" = "$target"; then
1908   CC_FOR_TARGET='$(CC)'
1909 else
1910   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1911 fi
1912 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1913
1914 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1915   :
1916 elif test -d ${srcdir}/gcc; then
1917   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1918 elif test "$host" = "$target"; then
1919   GCJ_FOR_TARGET='gcj'
1920 else
1921   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1922 fi
1923 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1924
1925 # Don't use libstdc++-v3's flags to configure/build itself.
1926 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1927 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1928
1929 if test "x${CXX_FOR_TARGET+set}" = xset; then
1930   :
1931 elif test -d ${srcdir}/gcc; then
1932   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1933   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1934   # default whereas gcc does not.
1935   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1936   # all other cases.
1937   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1938   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1939 elif test "$host" = "$target"; then
1940   CXX_FOR_TARGET='$(CXX)'
1941   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1942 else
1943   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1944   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1945 fi
1946 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1947 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1948
1949 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1950 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1951
1952 # We want to defer the evaluation of `cmd`s and shell variables in
1953 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1954 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1955 # quotes, but we still have to duplicate `$'s so that shell variables
1956 # can be expanded by the nested make as shell variables, not as make
1957 # macros.
1958 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1959 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1960
1961 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1962 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1963 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1964 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1965 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1966 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1967 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1968
1969 # Makefile fragments.
1970 host_makefile_frag=${srcdir}/${host_makefile_frag}
1971 target_makefile_frag=${srcdir}/${target_makefile_frag}
1972 alphaieee_frag=${srcdir}/${alphaieee_frag}
1973 ospace_frag=${srcdir}/${ospace_frag}
1974 AC_SUBST_FILE(host_makefile_frag)
1975 AC_SUBST_FILE(target_makefile_frag)
1976 AC_SUBST_FILE(alphaieee_frag)
1977 AC_SUBST_FILE(ospace_frag)
1978
1979 # Miscellanea: directories, flags, etc.
1980 AC_SUBST(SET_LIB_PATH)
1981 AC_SUBST(RPATH_ENVVAR)
1982 AC_SUBST(BUILD_PREFIX)
1983 AC_SUBST(BUILD_PREFIX_1)
1984 AC_SUBST(configlinks)
1985 AC_SUBST(gcc_version_trigger)
1986 AC_SUBST(gcc_version)
1987 AC_SUBST(tooldir)
1988 AC_SUBST(build_tooldir)
1989 AC_SUBST(GDB_TK)
1990 AC_SUBST(gxx_include_dir)
1991 AC_SUBST(libstdcxx_incdir)
1992
1993 # Build module lists & subconfigure args.
1994 AC_SUBST(build_configargs)
1995 AC_SUBST(configure_build_modules)
1996 AC_SUBST(all_build_modules)
1997
1998 # Host module lists & subconfigure args.
1999 AC_SUBST(host_configargs)
2000 AC_SUBST(configdirs)
2001
2002 # Target module lists & subconfigure args.
2003 AC_SUBST(target_configargs)
2004 AC_SUBST(target_configdirs)
2005
2006 # Build tools.
2007 AC_SUBST(BISON)
2008 AC_SUBST(CC_FOR_BUILD)
2009 AC_SUBST(LEX)
2010 AC_SUBST(MAKEINFO)
2011 AC_SUBST(YACC)
2012 AC_SUBST(config_shell)
2013
2014 # Host tools.
2015 NCN_STRICT_CHECK_TOOL(AR, ar)
2016 NCN_STRICT_CHECK_TOOL(AS, as)
2017 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2018 NCN_STRICT_CHECK_TOOL(LD, ld)
2019 NCN_STRICT_CHECK_TOOL(NM, nm)
2020 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2021 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2022 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2023 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2024 AC_SUBST(CC)
2025 AC_SUBST(CXX)
2026 AC_SUBST(CFLAGS)
2027 AC_SUBST(CXXFLAGS)
2028 AC_SUBST(DEFAULT_YACC)
2029 AC_SUBST(DEFAULT_LEX)
2030 AC_SUBST(DEFAULT_M4)
2031
2032 # Target tools.
2033 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2034 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2035 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2036 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2037 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2038 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2039 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2040
2041 AC_SUBST(GCC_FOR_TARGET)
2042 AC_SUBST(FLAGS_FOR_TARGET)
2043 AC_SUBST(CC_FOR_TARGET)
2044 AC_SUBST(GCJ_FOR_TARGET)
2045 AC_SUBST(CXX_FOR_TARGET)
2046 AC_SUBST(RAW_CXX_FOR_TARGET)
2047 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2048 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2049
2050 # Fix up target tools.
2051 if test "x${build}" = "x${host}" ; then
2052   # In this case, the newly built tools can and should be used,
2053   # so we override the results of the autoconf tests.
2054   # This should really only happen when the tools are actually being built,
2055   # but that's a further refinement.  The new build scheme, where
2056   # tools are built into a structure paralleling where they're installed,
2057   # should also eliminate all of this cleanly.
2058   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2059   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2060   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2061   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2062   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2063   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2064   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2065 fi
2066 # Certain tools may need extra flags.
2067 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2068 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2069 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2070
2071 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2072 AC_ARG_ENABLE(maintainer-mode,
2073 [  --enable-maintainer-mode enable make rules and dependencies not useful
2074                           (and sometimes confusing) to the casual installer],
2075       USE_MAINTAINER_MODE=$enableval,
2076       USE_MAINTAINER_MODE=no)
2077 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2078 AC_SUBST(MAINTAINER_MODE_TRUE)
2079 AC_SUBST(MAINTAINER_MODE_FALSE)
2080 if test "$USE_MAINTAINER_MODE" = yes; then
2081   MAINTAINER_MODE_TRUE=
2082   MAINTAINER_MODE_FALSE='#'
2083 else
2084   MAINTAINER_MODE_TRUE='#'
2085   MAINTAINER_MODE_FALSE=
2086 fi
2087 MAINT=$MAINTAINER_MODE_TRUE
2088 AC_SUBST(MAINT)dnl
2089
2090 AC_OUTPUT(Makefile)