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 ${libgcj}"
 711     ;;
 712   xtensa-*-*)
 713     noconfigdirs="$noconfigdirs ${libgcj}"
 714     ;;
 715   ip2k-*-*)
 716     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 717     ;;
 718   *-*-linux*)
 719     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 720     ;;
 721   *-*-lynxos*)
 722     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 723     ;;
 724   *-*-*)
 725     noconfigdirs="$noconfigdirs ${libgcj}"
 726     ;;
 727 esac
 728
 729 # If we aren't building newlib, then don't build libgloss, since libgloss
 730 # depends upon some newlib header files.
 731 case "${noconfigdirs}" in
 732   *target-libgloss*) ;;
 733   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 734 esac
 735
 736 # Figure out what language subdirectories are present.
 737 # Look if the user specified --enable-languages="..."; if not, use
 738 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 739 # go away some day.
 740 # NB:  embedded tabs in this IF block -- do not untabify
 741 if test x"${enable_languages+set}" != xset; then
 742   if test x"${LANGUAGES+set}" = xset; then
 743     enable_languages="${LANGUAGES}"
 744       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 745   else
 746     enable_languages=all
 747   fi
 748 else
 749   if test x"${enable_languages}" = x ||
 750      test x"${enable_languages}" = xyes;
 751      then
 752     echo configure.in: --enable-languages needs at least one language argument 1>&2
 753     exit 1
 754   fi
 755 fi
 756 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 757
 758 # First scan to see if an enabled language requires some other language.
 759 # We assume that a given config-lang.in will list all the language
 760 # front ends it requires, even if some are required indirectly.
 761 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 762   case ${lang_frag} in
 763     ..) ;;
 764     # The odd quoting in the next line works around
 765     # an apparent bug in bash 1.12 on linux.
 766     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 767     *)
 768       # From the config-lang.in, get $language, $lang_requires
 769       language=
 770       lang_requires=
 771       . ${lang_frag}
 772       for other in ${lang_requires} ; do
 773         case ,${enable_languages}, in
 774           *,$other,*) ;;
 775           *,all,*) ;;
 776           *,$language,*)
 777             echo " \`$other' language required by \`$language'; enabling" 1>&2
 778             enable_languages="${enable_languages},${other}"
 779             ;;
 780         esac
 781       done
 782       ;;
 783   esac
 784 done
 785
 786 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 787   case ${lang_frag} in
 788     ..) ;;
 789     # The odd quoting in the next line works around
 790     # an apparent bug in bash 1.12 on linux.
 791     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 792     *)
 793       # From the config-lang.in, get $language, $target_libs,
 794       # $lang_dirs, and $build_by_default
 795       language=
 796       target_libs=
 797       lang_dirs=
 798       build_by_default=
 799       . ${lang_frag}
 800       if test "x$language" = x ; then
 801         echo "${lang_frag} doesn't set \$language." 1>&2
 802         exit 1
 803       fi
 804       case ,${enable_languages}, in
 805         *,${language},*)
 806           # Language was explicitly selected; include it.
 807           add_this_lang=yes
 808           ;;
 809         *,all,*)
 810           # 'all' was selected; include 'default' languages.
 811           case ${build_by_default} in
 812             no) add_this_lang=no ;;
 813             *) add_this_lang=yes ;;
 814           esac
 815           ;;
 816         *) add_this_lang=no ;;
 817       esac
 818       case ${add_this_lang} in
 819         no)
 820           # Remove language-dependent dirs.
 821           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 822           ;;
 823       esac
 824       ;;
 825   esac
 826 done
 827
 828 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 829 # $target_configdirs.
 830 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 831
 832 notsupp=""
 833 for dir in . $skipdirs $noconfigdirs ; do
 834   dirname=`echo $dir | sed -e s/target-//g`
 835   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 836     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 837     if test -r $srcdir/$dirname/configure ; then
 838       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 839         true
 840       else
 841         notsupp="$notsupp $dir"
 842       fi
 843     fi
 844   fi
 845   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 846     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 847     if test -r $srcdir/$dirname/configure ; then
 848       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 849         true
 850       else
 851         notsupp="$notsupp $dir"
 852       fi
 853     fi
 854   fi
 855 done
 856
 857 # Sometimes the tools are distributed with libiberty but with no other
 858 # libraries.  In that case, we don't want to build target-libiberty.
 859 if test -n "${target_configdirs}" ; then
 860   others=
 861   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 862     if test "$i" != "libiberty" ; then
 863       if test -r $srcdir/$i/configure ; then
 864         others=yes;
 865         break;
 866       fi
 867     fi
 868   done
 869   if test -z "${others}" ; then
 870     target_configdirs=
 871   fi
 872 fi
 873
 874 # Quietly strip out all directories which aren't configurable in this tree.
 875 # This relies on all configurable subdirectories being autoconfiscated, which
 876 # is now the case.
 877 configdirs_all="$configdirs"
 878 configdirs=
 879 for i in ${configdirs_all} ; do
 880   if test -f ${srcdir}/$i/configure ; then
 881     configdirs="${configdirs} $i"
 882   fi
 883 done
 884 target_configdirs_all="$target_configdirs"
 885 target_configdirs=
 886 for i in ${target_configdirs_all} ; do
 887   j=`echo $i | sed -e s/target-//g`
 888   if test -f ${srcdir}/$j/configure ; then
 889     target_configdirs="${target_configdirs} $i"
 890   fi
 891 done
 892
 893 # Produce a warning message for the subdirs we can't configure.
 894 # This isn't especially interesting in the Cygnus tree, but in the individual
 895 # FSF releases, it's important to let people know when their machine isn't
 896 # supported by the one or two programs in a package.
 897
 898 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 899   # If $appdirs is non-empty, at least one of those directories must still
 900   # be configured, or we error out.  (E.g., if the gas release supports a
 901   # specified target in some subdirs but not the gas subdir, we shouldn't
 902   # pretend that all is well.)
 903   if test -n "$appdirs" ; then
 904     for dir in $appdirs ; do
 905       if test -r $dir/Makefile.in ; then
 906         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 907           appdirs=""
 908           break
 909         fi
 910         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 911           appdirs=""
 912           break
 913         fi
 914       fi
 915     done
 916     if test -n "$appdirs" ; then
 917       echo "*** This configuration is not supported by this package." 1>&2
 918       exit 1
 919     fi
 920   fi
 921   # Okay, some application will build, or we don't care to check.  Still
 922   # notify of subdirs not getting built.
 923   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 924   echo "    ${notsupp}" 1>&2
 925   echo "    (Any other directories should still work fine.)" 1>&2
 926 fi
 927
 928 case "$host" in
 929   *msdosdjgpp*)
 930     enable_gdbtk=no ;;
 931 esac
 932
 933 copy_dirs=
 934
 935 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 936 # the named directory are copied to $(tooldir)/sys-include.
 937 if test x"${with_headers}" != x ; then
 938   if test x${is_cross_compiler} = xno ; then
 939     echo 1>&2 '***' --with-headers is only supported when cross compiling
 940     exit 1
 941   fi
 942   if test x"${with_headers}" != xyes ; then
 943     case "${exec_prefixoption}" in
 944     "") x=${prefix} ;;
 945     *) x=${exec_prefix} ;;
 946     esac
 947     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 948   fi
 949 fi
 950
 951 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 952 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 953 # are permitted.
 954 if test x"${with_libs}" != x ; then
 955   if test x${is_cross_compiler} = xno ; then
 956     echo 1>&2 '***' --with-libs is only supported when cross compiling
 957     exit 1
 958   fi
 959   if test x"${with_libs}" != xyes ; then
 960     # Copy the libraries in reverse order, so that files in the first named
 961     # library override files in subsequent libraries.
 962     case "${exec_prefixoption}" in
 963     "") x=${prefix} ;;
 964     *) x=${exec_prefix} ;;
 965     esac
 966     for l in ${with_libs}; do
 967       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 968     done
 969   fi
 970 fi
 971
 972 # Handle ${copy_dirs}
 973 set fnord ${copy_dirs}
 974 shift
 975 while test $# != 0 ; do
 976   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 977     :
 978   else
 979     echo Copying $1 to $2
 980
 981     # Use the install script to create the directory and all required
 982     # parent directories.
 983     if test -d $2 ; then
 984       :
 985     else
 986       echo >config.temp
 987       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 988     fi
 989
 990     # Copy the directory, assuming we have tar.
 991     # FIXME: Should we use B in the second tar?  Not all systems support it.
 992     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 993
 994     # It is the responsibility of the user to correctly adjust all
 995     # symlinks.  If somebody can figure out how to handle them correctly
 996     # here, feel free to add the code.
 997
 998     echo $1 > $2/COPIED
 999   fi
1000   shift; shift
1001 done
1002
1003 # Work in distributions that contain no compiler tools, like Autoconf.
1004 tentative_cc=""
1005 host_makefile_frag=/dev/null
1006 if test -d ${srcdir}/config ; then
1007 case "${host}" in
1008   m68k-hp-hpux*)
1009     # Avoid "too much defining" errors from HPUX compiler.
1010     tentative_cc="cc -Wp,-H256000"
1011     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1012     # If it's HP/UX ar, this should be harmless.
1013     RANLIB="ar ts"
1014     ;;
1015   m68k-apollo-sysv*)
1016     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1017     ;;
1018   m68k-apollo-bsd*)
1019     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1020     # chokes on bfd, the compiler won't let you assign integers to enums, and
1021     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1022     # the apollo compiler" (the preferred version of GCC could be called cc,
1023     # or whatever), but I'm not sure leaving CC as cc is any better...
1024     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1025     # Used to have BISON=yacc.
1026     tentative_cc=gcc
1027     ;;
1028   m88k-dg-dgux*)
1029     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1030     ;;
1031   m88k-harris-cxux*)
1032     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1033     tentative_cc="cc -Xa"
1034     host_makefile_frag="config/mh-cxux"
1035     ;;
1036   m88k-motorola-sysv*)
1037     ;;
1038   mips*-dec-ultrix*)
1039     tentative_cc="cc -Wf,-XNg1000"
1040     host_makefile_frag="config/mh-decstation"
1041     ;;
1042   mips*-nec-sysv4*)
1043     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1044     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1045     host_makefile_frag="config/mh-necv4"
1046     ;;
1047   mips*-sgi-irix4*)
1048     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1049     # environment.  Also bump switch table size so that cp-parse will
1050     # compile.  Bump string length limit so linker builds.
1051     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1052     ;;
1053   mips*-*-sysv4*)
1054     host_makefile_frag="config/mh-sysv4"
1055     ;;
1056   mips*-*-sysv*)
1057     # This is for a MIPS running RISC/os 4.52C.
1058
1059     # This is needed for GDB, but needs to be in the top-level make because
1060     # if a library is compiled with the bsd headers and gets linked with the
1061     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1062     # a different size).
1063     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1064     # known except to select the sysv environment.  Could we use /proc instead?
1065     # These "sysv environments" and "bsd environments" often end up being a pain.
1066     #
1067     # This is not part of CFLAGS because perhaps not all C compilers have this
1068     # option.
1069     tentative_cc="cc -systype sysv"
1070     ;;
1071   i370-ibm-opened*)
1072     tentative_cc="c89"
1073     ;;
1074   i[[3456789]]86-*-sysv5*)
1075     host_makefile_frag="config/mh-sysv5"
1076     ;;
1077   i[[3456789]]86-*-dgux*)
1078     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1079     host_makefile_frag="config/mh-dgux386"
1080     ;;
1081   i[[3456789]]86-ncr-sysv4.3*)
1082     # The MetaWare compiler will generate a copyright message unless you
1083     # turn it off by adding the -Hnocopyr flag.
1084     tentative_cc="cc -Hnocopyr"
1085     ;;
1086   i[[3456789]]86-ncr-sysv4*)
1087     # for an NCR 3000 (i486/SVR4) system.
1088     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1089     # This compiler not only emits obnoxious copyright messages every time
1090     # you run it, but it chokes and dies on a whole bunch of GNU source
1091     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1092     tentative_cc="/usr/ccs/ATT/cc"
1093     host_makefile_frag="config/mh-ncr3000"
1094     ;;
1095   i[[3456789]]86-*-sco3.2v5*)
1096     ;;
1097   i[[3456789]]86-*-sco*)
1098     # The native C compiler botches some simple uses of const.  Unfortunately,
1099     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1100     tentative_cc="cc -Dconst="
1101     host_makefile_frag="config/mh-sco"
1102     ;;
1103   i[[3456789]]86-*-udk*)
1104     host_makefile_frag="config/mh-sysv5"
1105     ;;
1106   i[[3456789]]86-*-solaris2*)
1107     host_makefile_frag="config/mh-sysv4"
1108     ;;
1109   i[[3456789]]86-*-msdosdjgpp*)
1110     host_makefile_frag="config/mh-djgpp"
1111     ;;
1112   *-cygwin*)
1113     host_makefile_frag="config/mh-cygwin"
1114     ;;
1115   *-mingw32*)
1116     host_makefile_frag="config/mh-mingw32"
1117     ;;
1118   *-interix*)
1119     host_makefile_frag="config/mh-interix"
1120     ;;
1121   vax-*-ultrix2*)
1122     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1123     tentative_cc=gcc
1124     ;;
1125   *-*-solaris2*)
1126     host_makefile_frag="config/mh-solaris"
1127     ;;
1128   m68k-sun-sunos*)
1129     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1130     # without overflowing the jump tables (-J says to use a 32 bit table)
1131     tentative_cc="cc -J"
1132     ;;
1133   *-hp-hpux*)
1134     tentative_cc="cc -Wp,-H256000"
1135     ;;
1136   *-*-hiux*)
1137     tentative_cc="cc -Wp,-H256000"
1138     ;;
1139   rs6000-*-lynxos*)
1140     # /bin/cc is less than useful for our purposes.  Always use GCC
1141     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1142     host_makefile_frag="config/mh-lynxrs6k"
1143     ;;
1144   *-*-lynxos*)
1145     # /bin/cc is less than useful for our purposes.  Always use GCC
1146     tentative_cc="/bin/gcc"
1147     ;;
1148   *-*-sysv4*)
1149     host_makefile_frag="config/mh-sysv4"
1150     ;;
1151 esac
1152 fi
1153
1154 extra_arflags_for_target=
1155 extra_nmflags_for_target=
1156 extra_ranlibflags_for_target=
1157 target_makefile_frag=/dev/null
1158 case "${target}" in
1159   i[[3456789]]86-*-netware*)
1160     target_makefile_frag="config/mt-netware"
1161     ;;
1162   powerpc-*-netware*)
1163     target_makefile_frag="config/mt-netware"
1164     ;;
1165   *-*-linux*)
1166     target_makefile_frag="config/mt-linux"
1167     ;;
1168   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1169     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1170     # commands to handle both 32-bit and 64-bit objects.  These flags are
1171     # harmless if we're using GNU nm or ar.
1172     extra_arflags_for_target=" -X32_64"
1173     extra_nmflags_for_target=" -B -X32_64"
1174     ;;
1175   *-*-darwin*)
1176     # ranlib from Darwin requires the -c flag to look at common symbols.
1177     extra_ranlibflags_for_target=" -c"
1178     ;;
1179   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1180     target_makefile_frag="config/mt-wince"
1181     ;;
1182 esac
1183
1184 alphaieee_frag=/dev/null
1185 case $target in
1186   alpha*-*-*)
1187     # This just makes sure to use the -mieee option to build target libs.
1188     # This should probably be set individually by each library.
1189     alphaieee_frag="config/mt-alphaieee"
1190     ;;
1191 esac
1192
1193 # If --enable-target-optspace always use -Os instead of -O2 to build
1194 # the target libraries, similarly if it is not specified, use -Os
1195 # on selected platforms.
1196 ospace_frag=/dev/null
1197 case "${enable_target_optspace}:${target}" in
1198   yes:*)
1199     ospace_frag="config/mt-ospace"
1200     ;;
1201   :d30v-*)
1202     ospace_frag="config/mt-d30v"
1203     ;;
1204   :m32r-* | :d10v-* | :fr30-*)
1205     ospace_frag="config/mt-ospace"
1206     ;;
1207   no:* | :*)
1208     ;;
1209   *)
1210     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1211     ;;
1212 esac
1213
1214 # Set with_gnu_as and with_gnu_ld as appropriate.
1215 #
1216 # This is done by determining whether or not the appropriate directory
1217 # is available, and by checking whether or not specific configurations
1218 # have requested that this magic not happen.
1219 #
1220 # The command line options always override the explicit settings in
1221 # configure.in, and the settings in configure.in override this magic.
1222 #
1223 # If the default for a toolchain is to use GNU as and ld, and you don't
1224 # want to do that, then you should use the --without-gnu-as and
1225 # --without-gnu-ld options for the configure script.
1226
1227 if test x${use_gnu_as} = x &&
1228    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1229   with_gnu_as=yes
1230   extra_host_args="$extra_host_args --with-gnu-as"
1231 fi
1232
1233 if test x${use_gnu_ld} = x &&
1234    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1235   with_gnu_ld=yes
1236   extra_host_args="$extra_host_args --with-gnu-ld"
1237 fi
1238
1239 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1240 # can detect this case.
1241
1242 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1243   with_newlib=yes
1244   extra_host_args="$extra_host_args --with-newlib"
1245 fi
1246
1247
1248 # Default to using --with-stabs for certain targets.
1249 if test x${with_stabs} = x ; then
1250   case "${target}" in
1251   mips*-*-irix6*)
1252     ;;
1253   mips*-*-* | alpha*-*-osf*)
1254     with_stabs=yes;
1255     extra_host_args="${extra_host_args} --with-stabs"
1256     ;;
1257   esac
1258 fi
1259
1260 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1261 # them automatically.
1262 case "${host}" in
1263   hppa*64*-*-hpux11*)
1264     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1265     ;;
1266 esac
1267
1268 # If we aren't going to be using gcc, see if we can extract a definition
1269 # of CC from the fragment.
1270 # Actually, use the 'pre-extracted' version above.
1271 if test -z "${CC}" && test "${build}" = "${host}" ; then
1272   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1273   found=
1274   for dir in $PATH; do
1275     test -z "$dir" && dir=.
1276     if test -f $dir/gcc; then
1277       found=yes
1278       break
1279     fi
1280   done
1281   IFS="$save_ifs"
1282   if test -z "${found}" && test -n "${tentative_cc}" ; then
1283     CC=$tentative_cc
1284   fi
1285 fi
1286
1287 # Some systems (e.g., one of the i386-aix systems the gas testers are
1288 # using) don't handle "\$" correctly, so don't use it here.
1289 tooldir='${exec_prefix}'/${target_alias}
1290 build_tooldir=${tooldir}
1291
1292 # Generate a default definition for YACC.  This is used if the makefile can't
1293 # locate bison or byacc in objdir.
1294
1295 for prog in 'bison -y' byacc yacc
1296 do
1297   set dummy $prog; tmp=$2
1298   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1299   for dir in $PATH; do
1300     test -z "$dir" && dir=.
1301     if test -f $dir/$tmp; then
1302       DEFAULT_YACC="$prog"
1303       break
1304     fi
1305   done
1306   IFS="$save_ifs"
1307
1308   test -n "$DEFAULT_YACC" && break
1309 done
1310
1311 # Generate a default definition for M4.  This is used if the makefile can't
1312 # locate m4 in objdir.
1313
1314 for prog in gm4 gnum4 m4
1315 do
1316   set dummy $prog; tmp=$2
1317   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1318   for dir in $PATH; do
1319     test -z "$dir" && dir=.
1320     if test -f $dir/$tmp; then
1321       DEFAULT_M4="$prog"
1322       break
1323     fi
1324   done
1325   IFS="$save_ifs"
1326
1327   test -n "$DEFAULT_M4" && break
1328 done
1329
1330 # Generate a default definition for LEX.  This is used if the makefile can't
1331 # locate flex in objdir.
1332
1333 for prog in flex lex
1334 do
1335   set dummy $prog; tmp=$2
1336   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1337   for dir in $PATH; do
1338     test -z "$dir" && dir=.
1339     if test -f $dir/$tmp; then
1340       DEFAULT_LEX="$prog"
1341       break
1342     fi
1343   done
1344   IFS="$save_ifs"
1345
1346   test -n "$DEFAULT_LEX" && break
1347 done
1348
1349 if test "${build}" != "${host}" ; then
1350   # If we are doing a Canadian Cross, in which the host and build systems
1351   # are not the same, we set reasonable default values for the tools.
1352
1353   BISON=${BISON-bison}
1354   CC=${CC-${host_alias}-gcc}
1355   CFLAGS=${CFLAGS-"-g -O2"}
1356   CXX=${CXX-${host_alias}-c++}
1357   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1358   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1359   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1360   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1361   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1362   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1363   BUILD_PREFIX=${build_alias}-
1364   BUILD_PREFIX_1=${build_alias}-
1365   MAKEINFO=${MAKEINFO-makeinfo}
1366
1367   if test -z "${YACC}" ; then
1368     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1369     for dir in $PATH; do
1370       test -z "$dir" && dir=.
1371       if test -f $dir/bison; then
1372         YACC="bison -y"
1373         break
1374       fi
1375       if test -f $dir/byacc; then
1376         YACC=byacc
1377         break
1378       fi
1379       if test -f $dir/yacc; then
1380         YACC=yacc
1381         break
1382       fi
1383     done
1384     IFS="$save_ifs"
1385     if test -z "${YACC}" ; then
1386       YACC="bison -y"
1387     fi
1388   fi
1389
1390   if test -z "${LEX}" ; then
1391     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1392     for dir in $PATH; do
1393       test -z "$dir" && dir=.
1394       if test -f $dir/flex; then
1395         LEX=flex
1396         break
1397       fi
1398       if test -f $dir/lex; then
1399         LEX=lex
1400         break
1401       fi
1402     done
1403     IFS="$save_ifs"
1404     LEX=${LEX-flex}
1405   fi
1406
1407 else
1408   # Set reasonable default values for some tools even if not Canadian.
1409   # Of course, these are different reasonable default values, originally
1410   # specified directly in the Makefile.
1411   # We don't export, so that autoconf can do its job.
1412   # Note that all these settings are above the fragment inclusion point
1413   # in Makefile.in, so can still be overridden by fragments.
1414   # This is all going to change when we autoconfiscate...
1415
1416   BISON="\$(USUAL_BISON)"
1417   CC_FOR_BUILD="\$(CC)"
1418   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1419   BUILD_PREFIX=
1420   BUILD_PREFIX_1=loser-
1421   MAKEINFO="\$(USUAL_MAKEINFO)"
1422   LEX="\$(USUAL_LEX)"
1423   YACC="\$(USUAL_YACC)"
1424
1425   # If CC is still not set, try to get gcc.
1426   cc_prog_is_gcc=
1427   if test -z "${CC}" ; then
1428     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1429     for dir in $PATH; do
1430       test -z "$dir" && dir=.
1431       if test -f $dir/gcc; then
1432         CC="gcc"
1433         cc_prog_is_gcc=yes
1434         echo 'void f(){}' > conftest.c
1435         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1436           CFLAGS=${CFLAGS-"-g -O2"}
1437           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1438         else
1439           CFLAGS=${CFLAGS-"-O2"}
1440           CXXFLAGS=${CXXFLAGS-"-O2"}
1441         fi
1442         rm -f conftest*
1443         break
1444       fi
1445     done
1446     IFS="$save_ifs"
1447     CC=${CC-cc}
1448   else
1449     # Determine if we are using gcc.
1450     cat > conftest.c <<EOF
1451 #ifdef __GNUC__
1452   yes;
1453 #endif
1454 EOF
1455     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1456       cc_prog_is_gcc=yes
1457     fi
1458     rm -f conftest.c
1459     if test -z "${CFLAGS}"; then
1460       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1461       # is set to a version of gcc.
1462       if test "$cc_prog_is_gcc" = yes; then
1463         echo 'void f(){}' > conftest.c
1464         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1465           CFLAGS=${CFLAGS-"-g -O2"}
1466           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1467         else
1468           CFLAGS=${CFLAGS-"-O2"}
1469           CXXFLAGS=${CXXFLAGS-"-O2"}
1470         fi
1471         rm -f conftest*
1472       fi
1473     fi
1474   fi
1475
1476   # We must set the default linker to the linker used by gcc for the correct
1477   # operation of libtool.  If LD is not defined and we are using gcc, try to
1478   # set the LD default to the ld used by gcc.
1479   if test -z "$LD"; then
1480     if test "$cc_prog_is_gcc" = yes; then
1481       case $build in
1482       *-*-mingw*)
1483         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1484       *)
1485         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1486       esac
1487       case $gcc_prog_ld in
1488       # Accept absolute paths.
1489       [[\\/]* | [A-Za-z]:[\\/]*)]
1490         LD="$gcc_prog_ld" ;;
1491       esac
1492     fi
1493   fi
1494
1495   CXX=${CXX-"c++"}
1496   CFLAGS=${CFLAGS-"-g"}
1497   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1498 fi
1499
1500 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1501 # Set up the list of links to be made.
1502 # ${links} is the list of link names, and ${files} is the list of names to link to.
1503
1504 # Make the links.
1505 configlinks="${links}"
1506 if test -r ./config.status  ; then
1507   mv -f ./config.status ./config.back
1508 fi
1509 while test -n "${files}" ; do
1510   # set file to car of files, files to cdr of files
1511   set ${files}; file=$1; shift; files=$*
1512   set ${links}; link=$1; shift; links=$*
1513
1514   if test ! -r ${srcdir}/${file} ; then
1515     if test ! -r ${file} ; then
1516       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1517       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1518       exit 1
1519     else
1520       srcfile=${file}
1521     fi
1522   else
1523     srcfile=${srcdir}/${file}
1524   fi
1525
1526   ${remove} -f ${link}
1527   # Make a symlink if possible, otherwise try a hard link
1528   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1529     true
1530   else
1531     # We need to re-remove the file because Lynx leaves a
1532     # very strange directory there when it fails an NFS symlink.
1533     ${remove} -r -f ${link}
1534     ${hard_link} ${srcfile} ${link}
1535   fi
1536   if test ! -r ${link} ; then
1537     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1538     exit 1
1539   fi
1540
1541   echo "Linked \"${link}\" to \"${srcfile}\"."
1542 done
1543
1544 # Create a .gdbinit file which runs the one in srcdir
1545 # and tells GDB to look there for source files.
1546
1547 if test -r ${srcdir}/.gdbinit ; then
1548   case ${srcdir} in
1549     .) ;;
1550     *) cat > ./.gdbinit <<EOF
1551 # ${NO_EDIT}
1552 dir ${srcdir}
1553 dir .
1554 source ${srcdir}/.gdbinit
1555 EOF
1556     ;;
1557   esac
1558 fi
1559
1560 # Make sure that the compiler is able to generate an executable.  If it
1561 # can't, we are probably in trouble.  We don't care whether we can run the
1562 # executable--we might be using a cross compiler--we only care whether it
1563 # can be created.  At this point the main configure script has set CC.
1564 we_are_ok=no
1565 echo "int main () { return 0; }" > conftest.c
1566 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1567 if test $? = 0 ; then
1568   if test -s conftest || test -s conftest.exe ; then
1569     we_are_ok=yes
1570   fi
1571 fi
1572 case $we_are_ok in
1573   no)
1574     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1575     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1576     rm -f conftest*
1577     exit 1
1578     ;;
1579 esac
1580 rm -f conftest*
1581
1582 # The Solaris /usr/ucb/cc compiler does not appear to work.
1583 case "${host}" in
1584   sparc-sun-solaris2*)
1585       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1586       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1587           could_use=
1588           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1589           if test -d /opt/cygnus/bin ; then
1590               if test "$could_use" = "" ; then
1591                   could_use="/opt/cygnus/bin"
1592               else
1593                   could_use="$could_use or /opt/cygnus/bin"
1594               fi
1595           fi
1596         if test "$could_use" = "" ; then
1597             echo "Warning: compilation may fail because you're using"
1598             echo "/usr/ucb/cc.  You should change your PATH or CC "
1599             echo "variable and rerun configure."
1600         else
1601             echo "Warning: compilation may fail because you're using"
1602             echo "/usr/ucb/cc, when you should use the C compiler from"
1603             echo "$could_use.  You should change your"
1604             echo "PATH or CC variable and rerun configure."
1605         fi
1606       fi
1607   ;;
1608 esac
1609
1610 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1611 # binutils tools will find libbfd.so.
1612 case "${enable_shared}" in
1613   no | "") SET_LIB_PATH= ;;
1614   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1615 esac
1616
1617 case "${host}" in
1618   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1619   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1620 esac
1621
1622 # Record target_configdirs and the configure arguments for target and
1623 # build configuration in Makefile.
1624 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1625
1626 # This is the final value for target_configdirs.  configdirs already
1627 # has its final value, as does build_modules.  It's time to create some
1628 # lists of valid targets.
1629
1630 all_build_modules=
1631 configure_build_modules=
1632 for module in ${build_modules} ; do
1633   all_build_modules=all-build-${module}
1634   configure_build_modules=configure-build-${module}
1635 done
1636
1637 # Determine whether gdb needs tk/tcl or not.
1638 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1639 # and in that case we want gdb to be built without tk.  Ugh!
1640 # In fact I believe gdb is the *only* package directly dependent on tk,
1641 # so we should be able to put the 'maybe's in unconditionally and
1642 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1643 # 100% sure that that's safe though.
1644
1645 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1646 case "$enable_gdbtk" in
1647   no)
1648     GDB_TK="" ;;
1649   yes)
1650     GDB_TK="${gdb_tk}" ;;
1651   *)
1652     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1653     # distro.  Eventually someone will fix this and move Insight, nee
1654     # gdbtk to a separate directory.
1655     if test -d ${srcdir}/gdb/gdbtk ; then
1656       GDB_TK="${gdb_tk}"
1657     else
1658       GDB_TK=""
1659     fi
1660     ;;
1661 esac
1662
1663 # Create the 'maybe dependencies'.  This uses a temporary file.
1664
1665 # While at that, we remove Makefiles if we were started for recursive
1666 # configuration, so that the top-level Makefile reconfigures them,
1667 # like we used to do when configure itself was recursive.
1668 rm -f maybedep.tmp
1669 echo '# maybedep.tmp' > maybedep.tmp
1670
1671 # Make-targets which may need maybe dependencies.
1672 mts="configure all install check clean distclean dvi info install-info"
1673 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1674
1675 # Loop over modules and make-targets.
1676 for module in ${build_modules} ; do
1677   if test -z "${no_recursion}" \
1678      && test -f ${build_subdir}/${module}/Makefile; then
1679     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1680     rm -f ${build_subdir}/${module}/Makefile
1681   fi
1682   for mt in ${mts} ; do
1683     case ${mt} in
1684       install) ;; # No installing build modules.
1685       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1686     esac
1687   done
1688 done
1689 for module in ${configdirs} ; do
1690   if test -z "${no_recursion}" \
1691      && test -f ${module}/Makefile; then
1692     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1693     rm -f ${module}/Makefile
1694   fi
1695   for mt in ${mts} ; do
1696     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1697   done
1698 done
1699 for module in ${target_configdirs} ; do
1700   if test -z "${no_recursion}" \
1701      && test -f ${target_subdir}/${module}/Makefile; then
1702     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1703     rm -f ${target_subdir}/${module}/Makefile
1704   fi
1705   for mt in ${mts} ; do
1706     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1707   done
1708 done
1709 maybe_dependencies=maybedep.tmp
1710 AC_SUBST_FILE(maybe_dependencies)
1711
1712 # Create the serialization dependencies.  This uses a temporary file.
1713
1714 AC_ARG_ENABLE([serial-configure],
1715 [  --enable-serial-[{host,target,build}-]configure
1716                           Force sequential configuration of
1717                           sub-packages for the host, target or build
1718                           machine, or all sub-packages])
1719
1720 case ${enable_serial_configure} in
1721   yes)
1722     enable_serial_build_configure=yes
1723     enable_serial_host_configure=yes
1724     enable_serial_target_configure=yes
1725     ;;
1726 esac
1727
1728 # These force 'configure's to be done one at a time, to avoid problems
1729 # with contention over a shared config.cache.
1730 rm -f serdep.tmp
1731 echo '# serdep.tmp' > serdep.tmp
1732 olditem=
1733 test "x${enable_serial_build_configure}" = xyes &&
1734 for item in ${build_configdirs} ; do
1735   case ${olditem} in
1736     "") ;;
1737     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1738   esac
1739   olditem=${item}
1740 done
1741 olditem=
1742 test "x${enable_serial_host_configure}" = xyes &&
1743 for item in ${configdirs} ; do
1744   case ${olditem} in
1745     "") ;;
1746     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1747   esac
1748   olditem=${item}
1749 done
1750 olditem=
1751 test "x${enable_serial_target_configure}" = xyes &&
1752 for item in ${target_configdirs} ; do
1753   case ${olditem} in
1754     "") ;;
1755     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1756   esac
1757   olditem=${item}
1758 done
1759 serialization_dependencies=serdep.tmp
1760 AC_SUBST_FILE(serialization_dependencies)
1761
1762 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1763 # target and nonopt.  These are the ones we might not want to pass
1764 # down to subconfigures.
1765 baseargs=`echo " ${ac_configure_args} " | \
1766         sed -e 's/ --no[[^ ]]* / /' \
1767             -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1768             -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1769             -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1770             -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1771             -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1772             -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1773             -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1774             -e 's/ -host[[= ]][[^ ]]* / /' \
1775             -e 's/ -build[[= ]][[^ ]]* / /' \
1776             -e 's/ -target[[= ]][[^ ]]* / /' \
1777             -e "s/ [[^' -][^ ]*] / /" \
1778             -e 's/^ *//;s/ *$//'`
1779
1780 # For the build-side libraries, we just need to pretend we're native,
1781 # and not use the same cache file.  Multilibs are neither needed nor
1782 # desired.
1783 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1784
1785 # For host modules, accept cache file option, or specification as blank.
1786 case "${cache_file}" in
1787 "") # empty
1788   cache_file_option="" ;;
1789 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1790   cache_file_option="--cache-file=${cache_file}" ;;
1791 *) # relative path
1792   cache_file_option="--cache-file=../${cache_file}" ;;
1793 esac
1794
1795 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1796
1797 target_configargs=${baseargs}
1798
1799 # Passing a --with-cross-host argument lets the target libraries know
1800 # whether they are being built with a cross-compiler or being built
1801 # native.  However, it would be better to use other mechanisms to make the
1802 # sorts of decisions they want to make on this basis.  Please consider
1803 # this option to be deprecated.  FIXME.
1804 if test x${is_cross_compiler} = xyes ; then
1805   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1806 fi
1807
1808 # Default to --enable-multilib.
1809 if test x${enable_multilib} = x ; then
1810   target_configargs="--enable-multilib ${target_configargs}"
1811 fi
1812
1813 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1814 # changed from the earlier setting of with_newlib.
1815 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1816   target_configargs="--with-newlib ${target_configargs}"
1817 fi
1818
1819 # Pass the appropriate --host, --build, and --cache-file arguments.
1820 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1821
1822 # provide a proper gxx_include_dir.
1823 # Note, if you change the default, make sure to fix both here and in
1824 # the gcc and libstdc++-v3 subdirectories.
1825 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1826 case "${with_gxx_include_dir}" in
1827   yes)
1828     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1829     ;;
1830   no | "")
1831     case "${enable_version_specific_runtime_libs}" in
1832       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1833       *)
1834         . ${srcdir}/config.if
1835         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1836     esac ;;
1837   *) gxx_include_dir=${with_gxx_include_dir} ;;
1838 esac
1839
1840 FLAGS_FOR_TARGET=
1841 case " $target_configdirs " in
1842  *" newlib "*)
1843   case " $target_configargs " in
1844   *" --with-newlib "*)
1845    case "$target" in
1846    *-cygwin*)
1847      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' ;;
1848    esac
1849
1850    # If we're not building GCC, don't discard standard headers.
1851    if test -d ${srcdir}/gcc; then
1852      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1853
1854      if test "${build}" != "${host}"; then
1855        # On Canadian crosses, CC_FOR_TARGET will have already been set
1856        # by `configure', so we won't have an opportunity to add -Bgcc/
1857        # to it.  This is right: we don't want to search that directory
1858        # for binaries, but we want the header files in there, so add
1859        # them explicitly.
1860        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1861
1862        # Someone might think of using the pre-installed headers on
1863        # Canadian crosses, in case the installed compiler is not fully
1864        # compatible with the compiler being built.  In this case, it
1865        # would be better to flag an error than risking having
1866        # incompatible object files being constructed.  We can't
1867        # guarantee that an error will be flagged, but let's hope the
1868        # compiler will do it, when presented with incompatible header
1869        # files.
1870      fi
1871    fi
1872
1873    case "${target}-${is_cross_compiler}" in
1874    i[[3456789]]86-*-linux*-no)
1875       # Here host == target, so we don't need to build gcc,
1876       # so we don't want to discard standard headers.
1877       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1878       ;;
1879    *)
1880       # If we're building newlib, use its generic headers last, but search
1881       # for any libc-related directories first (so make it the last -B
1882       # switch).
1883       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1884       ;;
1885    esac
1886    ;;
1887   esac
1888   ;;
1889 esac
1890
1891 # On Canadian crosses, we'll be searching the right directories for
1892 # the previously-installed cross compiler, so don't bother to add
1893 # flags for directories within the install tree of the compiler
1894 # being built; programs in there won't even run.
1895 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1896   # Search for pre-installed headers if nothing else fits.
1897   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1898 fi
1899
1900 if test "x${use_gnu_ld}" = x &&
1901    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1902   # Arrange for us to find uninstalled linker scripts.
1903   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1904 fi
1905
1906 if test "x${CC_FOR_TARGET+set}" = xset; then
1907   :
1908 elif test -d ${srcdir}/gcc; then
1909   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1910 elif test "$host" = "$target"; then
1911   CC_FOR_TARGET='$(CC)'
1912 else
1913   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1914 fi
1915 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1916
1917 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1918   :
1919 elif test -d ${srcdir}/gcc; then
1920   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1921 elif test "$host" = "$target"; then
1922   GCJ_FOR_TARGET='gcj'
1923 else
1924   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1925 fi
1926 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1927
1928 # Don't use libstdc++-v3's flags to configure/build itself.
1929 libstdcxx_flags='`test ! -f $$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1930 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1931
1932 if test "x${CXX_FOR_TARGET+set}" = xset; then
1933   :
1934 elif test -d ${srcdir}/gcc; then
1935   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1936   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1937   # default whereas gcc does not.
1938   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1939   # all other cases.
1940   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1941   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1942 elif test "$host" = "$target"; then
1943   CXX_FOR_TARGET='$(CXX)'
1944   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1945 else
1946   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1947   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1948 fi
1949 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1950 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1951
1952 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1953 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1954
1955 # We want to defer the evaluation of `cmd`s and shell variables in
1956 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1957 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1958 # quotes, but we still have to duplicate `$'s so that shell variables
1959 # can be expanded by the nested make as shell variables, not as make
1960 # macros.
1961 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1962 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1963
1964 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1965 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1966 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1967 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1968 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1969 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1970 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1971
1972 # Makefile fragments.
1973 host_makefile_frag=${srcdir}/${host_makefile_frag}
1974 target_makefile_frag=${srcdir}/${target_makefile_frag}
1975 alphaieee_frag=${srcdir}/${alphaieee_frag}
1976 ospace_frag=${srcdir}/${ospace_frag}
1977 AC_SUBST_FILE(host_makefile_frag)
1978 AC_SUBST_FILE(target_makefile_frag)
1979 AC_SUBST_FILE(alphaieee_frag)
1980 AC_SUBST_FILE(ospace_frag)
1981
1982 # Miscellanea: directories, flags, etc.
1983 AC_SUBST(SET_LIB_PATH)
1984 AC_SUBST(RPATH_ENVVAR)
1985 AC_SUBST(BUILD_PREFIX)
1986 AC_SUBST(BUILD_PREFIX_1)
1987 AC_SUBST(configlinks)
1988 AC_SUBST(gcc_version_trigger)
1989 AC_SUBST(gcc_version)
1990 AC_SUBST(tooldir)
1991 AC_SUBST(build_tooldir)
1992 AC_SUBST(GDB_TK)
1993 AC_SUBST(gxx_include_dir)
1994 AC_SUBST(libstdcxx_incdir)
1995
1996 # Build module lists & subconfigure args.
1997 AC_SUBST(build_configargs)
1998 AC_SUBST(configure_build_modules)
1999 AC_SUBST(all_build_modules)
2000
2001 # Host module lists & subconfigure args.
2002 AC_SUBST(host_configargs)
2003 AC_SUBST(configdirs)
2004
2005 # Target module lists & subconfigure args.
2006 AC_SUBST(target_configargs)
2007 AC_SUBST(target_configdirs)
2008
2009 # Build tools.
2010 AC_SUBST(BISON)
2011 AC_SUBST(CC_FOR_BUILD)
2012 AC_SUBST(LEX)
2013 AC_SUBST(MAKEINFO)
2014 AC_SUBST(YACC)
2015 AC_SUBST(config_shell)
2016
2017 # Host tools.
2018 NCN_STRICT_CHECK_TOOL(AR, ar)
2019 NCN_STRICT_CHECK_TOOL(AS, as)
2020 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2021 NCN_STRICT_CHECK_TOOL(LD, ld)
2022 NCN_STRICT_CHECK_TOOL(NM, nm)
2023 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2024 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2025 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2026 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2027 AC_SUBST(CC)
2028 AC_SUBST(CXX)
2029 AC_SUBST(CFLAGS)
2030 AC_SUBST(CXXFLAGS)
2031 AC_SUBST(DEFAULT_YACC)
2032 AC_SUBST(DEFAULT_LEX)
2033 AC_SUBST(DEFAULT_M4)
2034
2035 # Target tools.
2036 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2037 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2038 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2039 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2040 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2041 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2042 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2043
2044 AC_SUBST(GCC_FOR_TARGET)
2045 AC_SUBST(FLAGS_FOR_TARGET)
2046 AC_SUBST(CC_FOR_TARGET)
2047 AC_SUBST(GCJ_FOR_TARGET)
2048 AC_SUBST(CXX_FOR_TARGET)
2049 AC_SUBST(RAW_CXX_FOR_TARGET)
2050 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2051 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2052
2053 # Fix up target tools.
2054 if test "x${build}" = "x${host}" ; then
2055   # In this case, the newly built tools can and should be used,
2056   # so we override the results of the autoconf tests.
2057   # This should really only happen when the tools are actually being built,
2058   # but that's a further refinement.  The new build scheme, where
2059   # tools are built into a structure paralleling where they're installed,
2060   # should also eliminate all of this cleanly.
2061   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2062   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2063   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2064   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2065   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2066   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2067   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2068 fi
2069 # Certain tools may need extra flags.
2070 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2071 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2072 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2073
2074 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2075 AC_ARG_ENABLE(maintainer-mode,
2076 [  --enable-maintainer-mode enable make rules and dependencies not useful
2077                           (and sometimes confusing) to the casual installer],
2078       USE_MAINTAINER_MODE=$enableval,
2079       USE_MAINTAINER_MODE=no)
2080 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2081 AC_SUBST(MAINTAINER_MODE_TRUE)
2082 AC_SUBST(MAINTAINER_MODE_FALSE)
2083 if test "$USE_MAINTAINER_MODE" = yes; then
2084   MAINTAINER_MODE_TRUE=
2085   MAINTAINER_MODE_FALSE='#'
2086 else
2087   MAINTAINER_MODE_TRUE='#'
2088   MAINTAINER_MODE_FALSE=
2089 fi
2090 MAINT=$MAINTAINER_MODE_TRUE
2091 AC_SUBST(MAINT)dnl
2092
2093 AC_OUTPUT(Makefile)