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 # Get 'install' or 'install-sh' and its variants.
  27 AC_PROG_INSTALL
  28
  29 sinclude(config/acx.m4)
  30
  31 ### we might need to use some other shell than /bin/sh for running subshells
  32 ### If we are on Windows, search for the shell.  This will permit people
  33 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  34 ### without also having to set CONFIG_SHELL.  This code will work when
  35 ### using bash, which sets OSTYPE.
  36 case "${OSTYPE}" in
  37 *win32*)
  38   if test x${CONFIG_SHELL} = x ; then
  39     if test ! -f /bin/sh ; then
  40       if test x${SHELL} != x && test -f ${SHELL} ; then
  41         CONFIG_SHELL=${SHELL}
  42         export CONFIG_SHELL
  43       else
  44         for prog in sh sh.exe bash bash.exe; do
  45           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  46           for dir in $PATH; do
  47             test -z "$dir" && dir=.
  48             if test -f $dir/$prog; then
  49               CONFIG_SHELL=$dir/$prog
  50               export CONFIG_SHELL
  51               break
  52             fi
  53           done
  54           IFS="$save_ifs"
  55           test -n "${CONFIG_SHELL}" && break
  56         done
  57       fi
  58     fi
  59   fi
  60   ;;
  61 esac
  62
  63 config_shell=${CONFIG_SHELL-/bin/sh}
  64
  65 progname=$0
  66 # if PWD already has a value, it is probably wrong.
  67 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded once by make, and once by the shell, so they need to
  71 # have '$' quoted for make, and then each argument quoted for the shell.
  72 # What's more, the 'echo' below might expand backslashes.
  73 cat <<\EOF_SED > conftestsed
  74 s,\\,\\\\,g; s,\$,$$,g
  75 EOF_SED
  76 tmp="'$progname'"
  77 for ac_arg ; do
  78   tmp="$tmp '"`echo "$ac_arg" | sed -fconftestsed`
  79 done
  80 rm -f conftestsed
  81 TOPLEVEL_CONFIGURE_ARGUMENTS="$tmp"
  82 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  83
  84 moveifchange=${srcdir}/move-if-change
  85
  86 # Set srcdir to "." if that's what it is.
  87 # This is important for multilib support.
  88 pwd=`${PWDCMD-pwd}`
  89 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  90 if test "${pwd}" = "${srcpwd}" ; then
  91   srcdir=.
  92 fi
  93
  94 topsrcdir=$srcpwd
  95
  96 extra_host_args=
  97 # Define the trigger file to make sure configure will re-run whenever
  98 # the gcc version number changes.
  99 if test "${with_gcc_version_trigger+set}" = set ; then
 100   gcc_version_trigger="$with_gcc_version_trigger"
 101   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 102 else
 103   # If gcc's sources are available, define the trigger file.
 104   if test -f ${topsrcdir}/gcc/version.c ; then
 105     gcc_version_trigger=${topsrcdir}/gcc/version.c
 106     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 107     case "$ac_configure_args" in
 108       *--with-gcc-version-trigger=$gcc_version_trigger* )
 109         ;;
 110       * )
 111         # Add to all subconfigure arguments: build, host, and target.
 112         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 113         ;;
 114     esac
 115   fi
 116 fi
 117
 118 ### To add a new directory to the tree, first choose whether it is a target
 119 ### or a host dependent tool.  Then put it into the appropriate list
 120 ### (library or tools, host or target), doing a dependency sort.
 121
 122 # Subdirs will be configured in the order listed in build_configdirs,
 123 # configdirs, or target_configdirs; see the serialization section below.
 124
 125 # Dependency sorting is only needed when *configuration* must be done in
 126 # a particular order.  In all cases a dependency should be specified in
 127 # the Makefile, whether or not it's implicitly specified here.
 128
 129 # Double entries in build_configdirs, configdirs, or target_configdirs may
 130 # cause circular dependencies and break everything horribly.
 131
 132 # these libraries are used by various programs built for the host environment
 133 #
 134 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 135
 136 # these tools are built for the host environment
 137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 138 # know that we are building the simulator.
 139 # binutils, gas and ld appear in that order because it makes sense to run
 140 # "make check" in that particular order.
 141 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"
 142
 143 # libgcj represents the runtime libraries only used by gcj.
 144 libgcj="target-libffi \
 145         target-boehm-gc \
 146         target-zlib \
 147         target-qthreads \
 148         target-libjava"
 149
 150 # these libraries are built for the target environment, and are built after
 151 # the host libraries and the host tools (which may be a cross compiler)
 152 #
 153 target_libraries="target-libiberty \
 154                 target-libgloss \
 155                 target-newlib \
 156                 target-libstdc++-v3 \
 157                 target-libf2c \
 158                 ${libgcj} \
 159                 target-libobjc"
 160
 161 # these tools are built using the target libraries, and are intended to
 162 # run only in the target environment
 163 #
 164 # note: any program that *uses* libraries that are in the "target_libraries"
 165 # list belongs in this list.  those programs are also very likely
 166 # candidates for the "native_only" list which follows
 167 #
 168 target_tools="target-examples target-groff target-gperf target-rda"
 169
 170 ################################################################################
 171
 172 ## All tools belong in one of the four categories, and are assigned above
 173 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 174 ## is important because configure will choke if they ever get through.
 175 ## ${configdirs} is directories we build using the host tools.
 176 ## ${target_configdirs} is directories we build using the target tools.
 177 #
 178 configdirs=`echo ${host_libs} ${host_tools}`
 179 target_configdirs=`echo ${target_libraries} ${target_tools}`
 180
 181 # Only make build modules if build != host.
 182 # This should be done more generally, but at the moment it doesn't matter.
 183 if test ${host_alias} != ${build_alias} ; then
 184   # This is the only build module.
 185   build_modules=libiberty
 186 else
 187   build_modules=
 188 fi
 189
 190
 191 ################################################################################
 192
 193 srcname="gnu development package"
 194
 195 # This gets set non-empty for some net releases of packages.
 196 appdirs=""
 197
 198 # Define is_cross_compiler to save on calls to 'test'.
 199 is_cross_compiler=
 200 if test x"${host}" = x"${target}" ; then
 201   is_cross_compiler=no
 202 else
 203   is_cross_compiler=yes
 204 fi
 205
 206 # Find the build and target subdir names.
 207 GCC_TOPLEV_SUBDIRS
 208
 209 # Skipdirs are removed silently.
 210 skipdirs=
 211 # Noconfigdirs are removed loudly.
 212 noconfigdirs=""
 213
 214 use_gnu_ld=
 215 # Make sure we don't let GNU ld be added if we didn't want it.
 216 if test x$with_gnu_ld = xno ; then
 217   use_gnu_ld=no
 218   noconfigdirs="$noconfigdirs ld"
 219 fi
 220
 221 use_gnu_as=
 222 # Make sure we don't let GNU as be added if we didn't want it.
 223 if test x$with_gnu_as = xno ; then
 224   use_gnu_as=no
 225   noconfigdirs="$noconfigdirs gas"
 226 fi
 227
 228 # some tools are so dependent upon X11 that if we're not building with X,
 229 # it's not even worth trying to configure, much less build, that tool.
 230
 231 case ${with_x} in
 232   yes | "") ;; # the default value for this tree is that X11 is available
 233   no)
 234     skipdirs="${skipdirs} tk tix itcl libgui"
 235     # We won't be able to build gdbtk without X.
 236     enable_gdbtk=no
 237     ;;
 238   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 239 esac
 240
 241 # Some tools are only suitable for building in a "native" situation.
 242 # Remove these if host!=target.
 243 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"
 244
 245 # Similarly, some are only suitable for cross toolchains.
 246 # Remove these if host=target.
 247 cross_only="target-libgloss target-newlib target-opcodes"
 248
 249 case $is_cross_compiler in
 250   no) skipdirs="${skipdirs} ${cross_only}" ;;
 251   yes) skipdirs="${skipdirs} ${native_only}" ;;
 252 esac
 253
 254 # If both --with-headers and --with-libs are specified, default to
 255 # --without-newlib.
 256 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 257   if test x"${with_newlib}" = x ; then
 258     with_newlib=no
 259   fi
 260 fi
 261
 262 # Recognize --with-newlib/--without-newlib.
 263 case ${with_newlib} in
 264   no) skipdirs="${skipdirs} target-newlib" ;;
 265   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 266 esac
 267
 268 # Configure extra directories which are host specific
 269
 270 case "${host}" in
 271   *-cygwin*)
 272     configdirs="$configdirs libtermcap" ;;
 273 esac
 274
 275 # Remove more programs from consideration, based on the host or
 276 # target this usually means that a port of the program doesn't
 277 # exist yet.
 278
 279 case "${host}" in
 280   hppa*64*-*-*)
 281     noconfigdirs="$noconfigdirs byacc"
 282     ;;
 283   i[[3456789]]86-*-vsta)
 284     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 285     ;;
 286   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 287     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 288     ;;
 289   i[[3456789]]86-*-mingw32*)
 290     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 291     noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 292     ;;
 293   i[[3456789]]86-*-beos*)
 294     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 295     ;;
 296   *-*-cygwin*)
 297     noconfigdirs="autoconf automake send-pr rcs guile perl"
 298     ;;
 299   *-*-netbsd*)
 300     noconfigdirs="rcs"
 301     ;;
 302   ppc*-*-pe)
 303     noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 304     ;;
 305   powerpc-*-beos*)
 306     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 307     ;;
 308   *-*-darwin*)
 309     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 310     ;;
 311 esac
 312
 313 # Save it here so that, even in case of --enable-libgcj, if the Java
 314 # front-end isn't enabled, we still get libgcj disabled.
 315 libgcj_saved=$libgcj
 316 case $enable_libgcj in
 317 yes)
 318   # If we reset it here, it won't get added to noconfigdirs in the
 319   # target-specific build rules, so it will be forcibly enabled
 320   # (unless the Java language itself isn't enabled).
 321   libgcj=
 322   ;;
 323 no)
 324   # Make sure we get it printed in the list of not supported target libs.
 325   noconfigdirs="$noconfigdirs ${libgcj}"
 326   ;;
 327 esac
 328
 329 case "${target}" in
 330   *-*-chorusos)
 331     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 332     ;;
 333   powerpc-*-darwin*)
 334     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 335     noconfigdirs="$noconfigdirs target-libobjc"
 336     ;;
 337   *-*-darwin*)
 338     noconfigdirs="$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 ${libgcj}"
 398     ;;
 399   am33_2.0-*-linux*)
 400     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 401     ;;
 402   sh-*-linux*)
 403     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 404     ;;
 405   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 406     noconfigdirs="$noconfigdirs ${libgcj}"
 407     noconfigdirs="$noconfigdirs target-examples"
 408     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 409     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 410     noconfigdirs="$noconfigdirs expect dejagnu"
 411     # the C++ libraries don't build on top of CE's C libraries
 412     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 413     noconfigdirs="$noconfigdirs target-newlib"
 414     case "${host}" in
 415       *-*-cygwin*) ;; # keep gdb and readline
 416       *) noconfigdirs="$noconfigdirs gdb readline"
 417          ;;
 418     esac
 419     ;;
 420   arc-*-*)
 421     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 422     ;;
 423   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 424     noconfigdirs="$noconfigdirs ${libgcj}"
 425     ;;
 426   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 427     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 428     ;;
 429   arm-*-pe*)
 430     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 431     ;;
 432   arm-*-oabi*)
 433     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 434     ;;
 435   thumb-*-coff)
 436     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 437     ;;
 438   thumb-*-elf)
 439     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 440     ;;
 441   thumb-*-oabi)
 442     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 443     ;;
 444   thumb-*-pe)
 445     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 446     ;;
 447   arm-*-riscix*)
 448     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 449     ;;
 450   avr-*-*)
 451     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 452     ;;
 453   c4x-*-* | tic4x-*-*)
 454     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 455     ;;
 456   c54x*-*-* | tic54x-*-*)
 457     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 458     ;;
 459   cris-*-*)
 460     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 461     ;;
 462   d10v-*-*)
 463     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 464     ;;
 465   d30v-*-*)
 466     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 467     ;;
 468   fr30-*-elf*)
 469     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 470     ;;
 471   frv-*-*)
 472     noconfigdirs="$noconfigdirs ${libgcj}"
 473     ;;
 474   h8300*-*-*)
 475     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 476     ;;
 477   h8500-*-*)
 478     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 479     ;;
 480   hppa*64*-*-linux* | parisc*64*-*-linux*)
 481     # In this case, it's because the hppa64-linux target is for
 482     # the kernel only at this point and has no libc, and thus no
 483     # headers, crt*.o, etc., all of which are needed by these.
 484     noconfigdirs="$noconfigdirs target-zlib"
 485     ;;
 486   hppa*-*-*elf* | \
 487   parisc*-*-linux* | hppa*-*-linux* | \
 488   hppa*-*-lites* | \
 489   hppa*-*-openbsd* | \
 490   hppa*64*-*-*)
 491     noconfigdirs="$noconfigdirs ${libgcj}"
 492     # Do configure ld/binutils/gas for this case.
 493     ;;
 494   hppa*-*-*)
 495     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 496     # build on HP-UX 10.20.
 497     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 498     ;;
 499   i960-*-*)
 500     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 501     ;;
 502   ia64*-*-elf*)
 503     # No gdb support yet.
 504     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 505     ;;
 506   ia64*-**-hpux*)
 507     # No gdb or ld support yet.
 508     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 509     ;;
 510   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 511     noconfigdirs="$noconfigdirs ${libgcj}"
 512     ;;
 513   i[[3456789]]86-*-freebsd*)
 514     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 515     ;;
 516   i[[3456789]]86-*-linux*)
 517     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 518     # not build java stuff by default.
 519     case "${target}" in
 520       *-*-*libc1*)
 521         noconfigdirs="$noconfigdirs ${libgcj}";;
 522     esac
 523
 524     # This section makes it possible to build newlib natively on linux.
 525     # If we are using a cross compiler then don't configure newlib.
 526     if test x${is_cross_compiler} != xno ; then
 527       noconfigdirs="$noconfigdirs target-newlib"
 528     fi
 529     noconfigdirs="$noconfigdirs target-libgloss"
 530     # If we are not using a cross compiler, do configure newlib.
 531     # Note however, that newlib will only be configured in this situation
 532     # if the --with-newlib option has been given, because otherwise
 533     # 'target-newlib' will appear in skipdirs.
 534     ;;
 535   i[[3456789]]86-*-mingw32*)
 536     target_configdirs="$target_configdirs target-mingw"
 537     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 538
 539     # Can't build gdb for mingw32 if not native.
 540     case "${host}" in
 541       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 542       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 543          ;;
 544     esac
 545     ;;
 546   *-*-cygwin*)
 547     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 548     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 549     # always build newlib.
 550     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 551
 552     # Can't build gdb for Cygwin if not native.
 553     case "${host}" in
 554       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 555       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 556          ;;
 557     esac
 558     ;;
 559   i[[3456789]]86-*-pe)
 560     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 561     ;;
 562   i[[3456789]]86-*-sco3.2v5*)
 563     # The linker does not yet know about weak symbols in COFF,
 564     # and is not configured to handle mixed ELF and COFF.
 565     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 566     ;;
 567   i[[3456789]]86-*-sco*)
 568     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 569     ;;
 570   i[[3456789]]86-*-solaris2*)
 571     noconfigdirs="$noconfigdirs target-libgloss"
 572     ;;
 573   i[[3456789]]86-*-sysv4*)
 574     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 575     ;;
 576   i[[3456789]]86-*-beos*)
 577     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 578     ;;
 579   m32r-*-*)
 580     noconfigdirs="$noconfigdirs ${libgcj}"
 581     ;;
 582   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 583     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 584     ;;
 585   m68k-*-elf*)
 586     noconfigdirs="$noconfigdirs ${libgcj}"
 587     ;;
 588   m68k-*-coff*)
 589     noconfigdirs="$noconfigdirs ${libgcj}"
 590     ;;
 591   mcore-*-pe*)
 592   # The EPOC C++ environment does not support exceptions or rtti,
 593   # and so building libstdc++-v3 tends not to always work.
 594     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 595     ;;
 596   mmix-*-*)
 597     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 598     ;;
 599   mn10200-*-*)
 600     noconfigdirs="$noconfigdirs ${libgcj}"
 601     ;;
 602   mn10300-*-*)
 603     noconfigdirs="$noconfigdirs ${libgcj}"
 604     ;;
 605   powerpc-*-aix*)
 606     # copied from rs6000-*-* entry
 607     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 608     ;;
 609   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 610     target_configdirs="$target_configdirs target-winsup"
 611     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 612     # always build newlib.
 613     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 614     ;;
 615     # This is temporary until we can link against shared libraries
 616   powerpcle-*-solaris*)
 617     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 618     ;;
 619   powerpc-*-beos*)
 620     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 621     ;;
 622   powerpc-*-eabi)
 623     noconfigdirs="$noconfigdirs ${libgcj}"
 624     ;;
 625   rs6000-*-lynxos*)
 626     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 627     ;;
 628   rs6000-*-aix*)
 629     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 630     ;;
 631   rs6000-*-*)
 632     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 633     ;;
 634   m68k-apollo-*)
 635     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 636     ;;
 637   mips*-*-irix5*)
 638     # The GNU linker does not support shared libraries.
 639     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 640     ;;
 641   mips*-*-irix6*)
 642     # Linking libjava exceeds command-line length limits on at least
 643     # IRIX 6.2, but not on IRIX 6.5.
 644     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 645     # <oldham@codesourcery.com>
 646     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 647     ;;
 648   mips*-dec-bsd*)
 649     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 650     ;;
 651   mips*-*-bsd*)
 652     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 653     ;;
 654   mipstx39-*-*)
 655     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 656     ;;
 657   mips*-*-linux*)
 658     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 659     ;;
 660   mips*-*-*)
 661     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 662     ;;
 663   romp-*-*)
 664     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 665     ;;
 666   sh-*-*)
 667     case "${host}" in
 668       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 669       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 670       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 671       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 672     esac
 673     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 674     ;;
 675   sh64-*-*)
 676     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 677     ;;
 678   sparc-*-elf*)
 679     noconfigdirs="$noconfigdirs ${libgcj}"
 680     ;;
 681   sparc64-*-elf*)
 682     noconfigdirs="$noconfigdirs ${libgcj}"
 683     ;;
 684   sparclite-*-*)
 685     noconfigdirs="$noconfigdirs ${libgcj}"
 686     ;;
 687   sparc-*-sunos4*)
 688     noconfigdirs="$noconfigdirs ${libgcj}"
 689     if test x${is_cross_compiler} != xno ; then
 690            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 691     else
 692            use_gnu_ld=no
 693     fi
 694     ;;
 695   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 696     ;;
 697   v810-*-*)
 698     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 699     ;;
 700   v850-*-*)
 701     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 702     ;;
 703   v850e-*-*)
 704     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 705     ;;
 706   v850ea-*-*)
 707     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 708     ;;
 709   vax-*-vms)
 710     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 711     ;;
 712   vax-*-*)
 713     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 714     ;;
 715   xtensa-*-*)
 716     noconfigdirs="$noconfigdirs ${libgcj}"
 717     ;;
 718   ip2k-*-*)
 719     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 720     ;;
 721   *-*-linux*)
 722     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 723     ;;
 724   *-*-lynxos*)
 725     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 726     ;;
 727   *-*-*)
 728     noconfigdirs="$noconfigdirs ${libgcj}"
 729     ;;
 730 esac
 731
 732 # If we aren't building newlib, then don't build libgloss, since libgloss
 733 # depends upon some newlib header files.
 734 case "${noconfigdirs}" in
 735   *target-libgloss*) ;;
 736   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 737 esac
 738
 739 # Figure out what language subdirectories are present.
 740 # Look if the user specified --enable-languages="..."; if not, use
 741 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 742 # go away some day.
 743 # NB:  embedded tabs in this IF block -- do not untabify
 744 if test x"${enable_languages+set}" != xset; then
 745   if test x"${LANGUAGES+set}" = xset; then
 746     enable_languages="${LANGUAGES}"
 747       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 748   else
 749     enable_languages=all
 750   fi
 751 else
 752   if test x"${enable_languages}" = x ||
 753      test x"${enable_languages}" = xyes;
 754      then
 755     echo configure.in: --enable-languages needs at least one language argument 1>&2
 756     exit 1
 757   fi
 758 fi
 759 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 760
 761 # First scan to see if an enabled language requires some other language.
 762 # We assume that a given config-lang.in will list all the language
 763 # front ends it requires, even if some are required indirectly.
 764 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 765   case ${lang_frag} in
 766     ..) ;;
 767     # The odd quoting in the next line works around
 768     # an apparent bug in bash 1.12 on linux.
 769     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 770     *)
 771       # From the config-lang.in, get $language, $lang_requires
 772       language=
 773       lang_requires=
 774       . ${lang_frag}
 775       for other in ${lang_requires} ; do
 776         case ,${enable_languages}, in
 777           *,$other,*) ;;
 778           *,all,*) ;;
 779           *,$language,*)
 780             echo " \`$other' language required by \`$language'; enabling" 1>&2
 781             enable_languages="${enable_languages},${other}"
 782             ;;
 783         esac
 784       done
 785       ;;
 786   esac
 787 done
 788
 789 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 790   case ${lang_frag} in
 791     ..) ;;
 792     # The odd quoting in the next line works around
 793     # an apparent bug in bash 1.12 on linux.
 794     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 795     *)
 796       # From the config-lang.in, get $language, $target_libs,
 797       # $lang_dirs, and $build_by_default
 798       language=
 799       target_libs=
 800       lang_dirs=
 801       build_by_default=
 802       . ${lang_frag}
 803       if test "x$language" = x ; then
 804         echo "${lang_frag} doesn't set \$language." 1>&2
 805         exit 1
 806       fi
 807       case ,${enable_languages}, in
 808         *,${language},*)
 809           # Language was explicitly selected; include it.
 810           add_this_lang=yes
 811           ;;
 812         *,all,*)
 813           # 'all' was selected; include 'default' languages.
 814           case ${build_by_default} in
 815             no) add_this_lang=no ;;
 816             *) add_this_lang=yes ;;
 817           esac
 818           ;;
 819         *) add_this_lang=no ;;
 820       esac
 821       case ${add_this_lang} in
 822         no)
 823           # Remove language-dependent dirs.
 824           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 825           ;;
 826       esac
 827       ;;
 828   esac
 829 done
 830
 831 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 832 # $target_configdirs.
 833 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 834
 835 notsupp=""
 836 for dir in . $skipdirs $noconfigdirs ; do
 837   dirname=`echo $dir | sed -e s/target-//g`
 838   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 839     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 840     if test -r $srcdir/$dirname/configure ; then
 841       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 842         true
 843       else
 844         notsupp="$notsupp $dir"
 845       fi
 846     fi
 847   fi
 848   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 849     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 850     if test -r $srcdir/$dirname/configure ; then
 851       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 852         true
 853       else
 854         notsupp="$notsupp $dir"
 855       fi
 856     fi
 857   fi
 858 done
 859
 860 # Sometimes the tools are distributed with libiberty but with no other
 861 # libraries.  In that case, we don't want to build target-libiberty.
 862 if test -n "${target_configdirs}" ; then
 863   others=
 864   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 865     if test "$i" != "libiberty" ; then
 866       if test -r $srcdir/$i/configure ; then
 867         others=yes;
 868         break;
 869       fi
 870     fi
 871   done
 872   if test -z "${others}" ; then
 873     target_configdirs=
 874   fi
 875 fi
 876
 877 # Quietly strip out all directories which aren't configurable in this tree.
 878 # This relies on all configurable subdirectories being autoconfiscated, which
 879 # is now the case.
 880 configdirs_all="$configdirs"
 881 configdirs=
 882 for i in ${configdirs_all} ; do
 883   if test -f ${srcdir}/$i/configure ; then
 884     configdirs="${configdirs} $i"
 885   fi
 886 done
 887 target_configdirs_all="$target_configdirs"
 888 target_configdirs=
 889 for i in ${target_configdirs_all} ; do
 890   j=`echo $i | sed -e s/target-//g`
 891   if test -f ${srcdir}/$j/configure ; then
 892     target_configdirs="${target_configdirs} $i"
 893   fi
 894 done
 895
 896 # Produce a warning message for the subdirs we can't configure.
 897 # This isn't especially interesting in the Cygnus tree, but in the individual
 898 # FSF releases, it's important to let people know when their machine isn't
 899 # supported by the one or two programs in a package.
 900
 901 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 902   # If $appdirs is non-empty, at least one of those directories must still
 903   # be configured, or we error out.  (E.g., if the gas release supports a
 904   # specified target in some subdirs but not the gas subdir, we shouldn't
 905   # pretend that all is well.)
 906   if test -n "$appdirs" ; then
 907     for dir in $appdirs ; do
 908       if test -r $dir/Makefile.in ; then
 909         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 910           appdirs=""
 911           break
 912         fi
 913         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 914           appdirs=""
 915           break
 916         fi
 917       fi
 918     done
 919     if test -n "$appdirs" ; then
 920       echo "*** This configuration is not supported by this package." 1>&2
 921       exit 1
 922     fi
 923   fi
 924   # Okay, some application will build, or we don't care to check.  Still
 925   # notify of subdirs not getting built.
 926   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 927   echo "    ${notsupp}" 1>&2
 928   echo "    (Any other directories should still work fine.)" 1>&2
 929 fi
 930
 931 case "$host" in
 932   *msdosdjgpp*)
 933     enable_gdbtk=no ;;
 934 esac
 935
 936 copy_dirs=
 937
 938 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 939 # the named directory are copied to $(tooldir)/sys-include.
 940 if test x"${with_headers}" != x ; then
 941   if test x${is_cross_compiler} = xno ; then
 942     echo 1>&2 '***' --with-headers is only supported when cross compiling
 943     exit 1
 944   fi
 945   if test x"${with_headers}" != xyes ; then
 946     case "${exec_prefixoption}" in
 947     "") x=${prefix} ;;
 948     *) x=${exec_prefix} ;;
 949     esac
 950     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 951   fi
 952 fi
 953
 954 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 955 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 956 # are permitted.
 957 if test x"${with_libs}" != x ; then
 958   if test x${is_cross_compiler} = xno ; then
 959     echo 1>&2 '***' --with-libs is only supported when cross compiling
 960     exit 1
 961   fi
 962   if test x"${with_libs}" != xyes ; then
 963     # Copy the libraries in reverse order, so that files in the first named
 964     # library override files in subsequent libraries.
 965     case "${exec_prefixoption}" in
 966     "") x=${prefix} ;;
 967     *) x=${exec_prefix} ;;
 968     esac
 969     for l in ${with_libs}; do
 970       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 971     done
 972   fi
 973 fi
 974
 975 # Handle ${copy_dirs}
 976 set fnord ${copy_dirs}
 977 shift
 978 while test $# != 0 ; do
 979   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 980     :
 981   else
 982     echo Copying $1 to $2
 983
 984     # Use the install script to create the directory and all required
 985     # parent directories.
 986     if test -d $2 ; then
 987       :
 988     else
 989       echo >config.temp
 990       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 991     fi
 992
 993     # Copy the directory, assuming we have tar.
 994     # FIXME: Should we use B in the second tar?  Not all systems support it.
 995     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 996
 997     # It is the responsibility of the user to correctly adjust all
 998     # symlinks.  If somebody can figure out how to handle them correctly
 999     # here, feel free to add the code.
1000
1001     echo $1 > $2/COPIED
1002   fi
1003   shift; shift
1004 done
1005
1006 # Work in distributions that contain no compiler tools, like Autoconf.
1007 tentative_cc=""
1008 host_makefile_frag=/dev/null
1009 if test -d ${srcdir}/config ; then
1010 case "${host}" in
1011   m68k-hp-hpux*)
1012     # Avoid "too much defining" errors from HPUX compiler.
1013     tentative_cc="cc -Wp,-H256000"
1014     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1015     # If it's HP/UX ar, this should be harmless.
1016     RANLIB="ar ts"
1017     ;;
1018   m68k-apollo-sysv*)
1019     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1020     ;;
1021   m68k-apollo-bsd*)
1022     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1023     # chokes on bfd, the compiler won't let you assign integers to enums, and
1024     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1025     # the apollo compiler" (the preferred version of GCC could be called cc,
1026     # or whatever), but I'm not sure leaving CC as cc is any better...
1027     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1028     # Used to have BISON=yacc.
1029     tentative_cc=gcc
1030     ;;
1031   m88k-dg-dgux*)
1032     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1033     ;;
1034   m88k-harris-cxux*)
1035     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1036     tentative_cc="cc -Xa"
1037     host_makefile_frag="config/mh-cxux"
1038     ;;
1039   m88k-motorola-sysv*)
1040     ;;
1041   mips*-dec-ultrix*)
1042     tentative_cc="cc -Wf,-XNg1000"
1043     host_makefile_frag="config/mh-decstation"
1044     ;;
1045   mips*-nec-sysv4*)
1046     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1047     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1048     host_makefile_frag="config/mh-necv4"
1049     ;;
1050   mips*-sgi-irix4*)
1051     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1052     # environment.  Also bump switch table size so that cp-parse will
1053     # compile.  Bump string length limit so linker builds.
1054     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1055     ;;
1056   mips*-*-sysv4*)
1057     host_makefile_frag="config/mh-sysv4"
1058     ;;
1059   mips*-*-sysv*)
1060     # This is for a MIPS running RISC/os 4.52C.
1061
1062     # This is needed for GDB, but needs to be in the top-level make because
1063     # if a library is compiled with the bsd headers and gets linked with the
1064     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1065     # a different size).
1066     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1067     # known except to select the sysv environment.  Could we use /proc instead?
1068     # These "sysv environments" and "bsd environments" often end up being a pain.
1069     #
1070     # This is not part of CFLAGS because perhaps not all C compilers have this
1071     # option.
1072     tentative_cc="cc -systype sysv"
1073     ;;
1074   i370-ibm-opened*)
1075     tentative_cc="c89"
1076     ;;
1077   i[[3456789]]86-*-sysv5*)
1078     host_makefile_frag="config/mh-sysv5"
1079     ;;
1080   i[[3456789]]86-*-dgux*)
1081     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1082     host_makefile_frag="config/mh-dgux386"
1083     ;;
1084   i[[3456789]]86-ncr-sysv4.3*)
1085     # The MetaWare compiler will generate a copyright message unless you
1086     # turn it off by adding the -Hnocopyr flag.
1087     tentative_cc="cc -Hnocopyr"
1088     ;;
1089   i[[3456789]]86-ncr-sysv4*)
1090     # for an NCR 3000 (i486/SVR4) system.
1091     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1092     # This compiler not only emits obnoxious copyright messages every time
1093     # you run it, but it chokes and dies on a whole bunch of GNU source
1094     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1095     tentative_cc="/usr/ccs/ATT/cc"
1096     host_makefile_frag="config/mh-ncr3000"
1097     ;;
1098   i[[3456789]]86-*-sco3.2v5*)
1099     ;;
1100   i[[3456789]]86-*-sco*)
1101     # The native C compiler botches some simple uses of const.  Unfortunately,
1102     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1103     tentative_cc="cc -Dconst="
1104     host_makefile_frag="config/mh-sco"
1105     ;;
1106   i[[3456789]]86-*-udk*)
1107     host_makefile_frag="config/mh-sysv5"
1108     ;;
1109   i[[3456789]]86-*-solaris2*)
1110     host_makefile_frag="config/mh-sysv4"
1111     ;;
1112   i[[3456789]]86-*-msdosdjgpp*)
1113     host_makefile_frag="config/mh-djgpp"
1114     ;;
1115   *-cygwin*)
1116     host_makefile_frag="config/mh-cygwin"
1117     ;;
1118   *-mingw32*)
1119     host_makefile_frag="config/mh-mingw32"
1120     ;;
1121   *-interix*)
1122     host_makefile_frag="config/mh-interix"
1123     ;;
1124   vax-*-ultrix2*)
1125     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1126     tentative_cc=gcc
1127     ;;
1128   *-*-solaris2*)
1129     host_makefile_frag="config/mh-solaris"
1130     ;;
1131   m68k-sun-sunos*)
1132     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1133     # without overflowing the jump tables (-J says to use a 32 bit table)
1134     tentative_cc="cc -J"
1135     ;;
1136   *-hp-hpux*)
1137     tentative_cc="cc -Wp,-H256000"
1138     ;;
1139   *-*-hiux*)
1140     tentative_cc="cc -Wp,-H256000"
1141     ;;
1142   rs6000-*-lynxos*)
1143     # /bin/cc is less than useful for our purposes.  Always use GCC
1144     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1145     host_makefile_frag="config/mh-lynxrs6k"
1146     ;;
1147   *-*-lynxos*)
1148     # /bin/cc is less than useful for our purposes.  Always use GCC
1149     tentative_cc="/bin/gcc"
1150     ;;
1151   *-*-sysv4*)
1152     host_makefile_frag="config/mh-sysv4"
1153     ;;
1154 esac
1155 fi
1156
1157 extra_arflags_for_target=
1158 extra_nmflags_for_target=
1159 extra_ranlibflags_for_target=
1160 target_makefile_frag=/dev/null
1161 case "${target}" in
1162   i[[3456789]]86-*-netware*)
1163     target_makefile_frag="config/mt-netware"
1164     ;;
1165   powerpc-*-netware*)
1166     target_makefile_frag="config/mt-netware"
1167     ;;
1168   *-*-linux*)
1169     target_makefile_frag="config/mt-linux"
1170     ;;
1171   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1172     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1173     # commands to handle both 32-bit and 64-bit objects.  These flags are
1174     # harmless if we're using GNU nm or ar.
1175     extra_arflags_for_target=" -X32_64"
1176     extra_nmflags_for_target=" -B -X32_64"
1177     ;;
1178   *-*-darwin*)
1179     # ranlib from Darwin requires the -c flag to look at common symbols.
1180     extra_ranlibflags_for_target=" -c"
1181     ;;
1182   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1183     target_makefile_frag="config/mt-wince"
1184     ;;
1185 esac
1186
1187 alphaieee_frag=/dev/null
1188 case $target in
1189   alpha*-*-*)
1190     # This just makes sure to use the -mieee option to build target libs.
1191     # This should probably be set individually by each library.
1192     alphaieee_frag="config/mt-alphaieee"
1193     ;;
1194 esac
1195
1196 # If --enable-target-optspace always use -Os instead of -O2 to build
1197 # the target libraries, similarly if it is not specified, use -Os
1198 # on selected platforms.
1199 ospace_frag=/dev/null
1200 case "${enable_target_optspace}:${target}" in
1201   yes:*)
1202     ospace_frag="config/mt-ospace"
1203     ;;
1204   :d30v-*)
1205     ospace_frag="config/mt-d30v"
1206     ;;
1207   :m32r-* | :d10v-* | :fr30-*)
1208     ospace_frag="config/mt-ospace"
1209     ;;
1210   no:* | :*)
1211     ;;
1212   *)
1213     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1214     ;;
1215 esac
1216
1217 # Set with_gnu_as and with_gnu_ld as appropriate.
1218 #
1219 # This is done by determining whether or not the appropriate directory
1220 # is available, and by checking whether or not specific configurations
1221 # have requested that this magic not happen.
1222 #
1223 # The command line options always override the explicit settings in
1224 # configure.in, and the settings in configure.in override this magic.
1225 #
1226 # If the default for a toolchain is to use GNU as and ld, and you don't
1227 # want to do that, then you should use the --without-gnu-as and
1228 # --without-gnu-ld options for the configure script.
1229
1230 if test x${use_gnu_as} = x &&
1231    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1232   with_gnu_as=yes
1233   extra_host_args="$extra_host_args --with-gnu-as"
1234 fi
1235
1236 if test x${use_gnu_ld} = x &&
1237    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1238   with_gnu_ld=yes
1239   extra_host_args="$extra_host_args --with-gnu-ld"
1240 fi
1241
1242 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1243 # can detect this case.
1244
1245 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1246   with_newlib=yes
1247   extra_host_args="$extra_host_args --with-newlib"
1248 fi
1249
1250
1251 # Default to using --with-stabs for certain targets.
1252 if test x${with_stabs} = x ; then
1253   case "${target}" in
1254   mips*-*-irix6*)
1255     ;;
1256   mips*-*-* | alpha*-*-osf*)
1257     with_stabs=yes;
1258     extra_host_args="${extra_host_args} --with-stabs"
1259     ;;
1260   esac
1261 fi
1262
1263 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1264 # them automatically.
1265 case "${host}" in
1266   hppa*64*-*-hpux11*)
1267     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1268     ;;
1269 esac
1270
1271 # If we aren't going to be using gcc, see if we can extract a definition
1272 # of CC from the fragment.
1273 # Actually, use the 'pre-extracted' version above.
1274 if test -z "${CC}" && test "${build}" = "${host}" ; then
1275   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1276   found=
1277   for dir in $PATH; do
1278     test -z "$dir" && dir=.
1279     if test -f $dir/gcc; then
1280       found=yes
1281       break
1282     fi
1283   done
1284   IFS="$save_ifs"
1285   if test -z "${found}" && test -n "${tentative_cc}" ; then
1286     CC=$tentative_cc
1287   fi
1288 fi
1289
1290 # Some systems (e.g., one of the i386-aix systems the gas testers are
1291 # using) don't handle "\$" correctly, so don't use it here.
1292 tooldir='${exec_prefix}'/${target_alias}
1293 build_tooldir=${tooldir}
1294
1295 # Generate a default definition for YACC.  This is used if the makefile can't
1296 # locate bison or byacc in objdir.
1297
1298 for prog in 'bison -y' byacc yacc
1299 do
1300   set dummy $prog; tmp=$2
1301   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1302   for dir in $PATH; do
1303     test -z "$dir" && dir=.
1304     if test -f $dir/$tmp; then
1305       DEFAULT_YACC="$prog"
1306       break
1307     fi
1308   done
1309   IFS="$save_ifs"
1310
1311   test -n "$DEFAULT_YACC" && break
1312 done
1313
1314 # Generate a default definition for M4.  This is used if the makefile can't
1315 # locate m4 in objdir.
1316
1317 for prog in gm4 gnum4 m4
1318 do
1319   set dummy $prog; tmp=$2
1320   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1321   for dir in $PATH; do
1322     test -z "$dir" && dir=.
1323     if test -f $dir/$tmp; then
1324       DEFAULT_M4="$prog"
1325       break
1326     fi
1327   done
1328   IFS="$save_ifs"
1329
1330   test -n "$DEFAULT_M4" && break
1331 done
1332
1333 # Generate a default definition for LEX.  This is used if the makefile can't
1334 # locate flex in objdir.
1335
1336 for prog in flex lex
1337 do
1338   set dummy $prog; tmp=$2
1339   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1340   for dir in $PATH; do
1341     test -z "$dir" && dir=.
1342     if test -f $dir/$tmp; then
1343       DEFAULT_LEX="$prog"
1344       break
1345     fi
1346   done
1347   IFS="$save_ifs"
1348
1349   test -n "$DEFAULT_LEX" && break
1350 done
1351
1352 if test "${build}" != "${host}" ; then
1353   # If we are doing a Canadian Cross, in which the host and build systems
1354   # are not the same, we set reasonable default values for the tools.
1355
1356   BISON=${BISON-bison}
1357   CC=${CC-${host_alias}-gcc}
1358   CFLAGS=${CFLAGS-"-g -O2"}
1359   CXX=${CXX-${host_alias}-c++}
1360   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1361   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1362   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1363   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1364   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1365   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1366   BUILD_PREFIX=${build_alias}-
1367   BUILD_PREFIX_1=${build_alias}-
1368   MAKEINFO=${MAKEINFO-makeinfo}
1369
1370   if test -z "${YACC}" ; then
1371     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1372     for dir in $PATH; do
1373       test -z "$dir" && dir=.
1374       if test -f $dir/bison; then
1375         YACC="bison -y"
1376         break
1377       fi
1378       if test -f $dir/byacc; then
1379         YACC=byacc
1380         break
1381       fi
1382       if test -f $dir/yacc; then
1383         YACC=yacc
1384         break
1385       fi
1386     done
1387     IFS="$save_ifs"
1388     if test -z "${YACC}" ; then
1389       YACC="bison -y"
1390     fi
1391   fi
1392
1393   if test -z "${LEX}" ; then
1394     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1395     for dir in $PATH; do
1396       test -z "$dir" && dir=.
1397       if test -f $dir/flex; then
1398         LEX=flex
1399         break
1400       fi
1401       if test -f $dir/lex; then
1402         LEX=lex
1403         break
1404       fi
1405     done
1406     IFS="$save_ifs"
1407     LEX=${LEX-flex}
1408   fi
1409
1410 else
1411   # Set reasonable default values for some tools even if not Canadian.
1412   # Of course, these are different reasonable default values, originally
1413   # specified directly in the Makefile.
1414   # We don't export, so that autoconf can do its job.
1415   # Note that all these settings are above the fragment inclusion point
1416   # in Makefile.in, so can still be overridden by fragments.
1417   # This is all going to change when we autoconfiscate...
1418
1419   BISON="\$(USUAL_BISON)"
1420   CC_FOR_BUILD="\$(CC)"
1421   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1422   BUILD_PREFIX=
1423   BUILD_PREFIX_1=loser-
1424   MAKEINFO="\$(USUAL_MAKEINFO)"
1425   LEX="\$(USUAL_LEX)"
1426   YACC="\$(USUAL_YACC)"
1427
1428   # If CC is still not set, try to get gcc.
1429   cc_prog_is_gcc=
1430   if test -z "${CC}" ; then
1431     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1432     for dir in $PATH; do
1433       test -z "$dir" && dir=.
1434       if test -f $dir/gcc; then
1435         CC="gcc"
1436         cc_prog_is_gcc=yes
1437         echo 'void f(){}' > conftest.c
1438         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1439           CFLAGS=${CFLAGS-"-g -O2"}
1440           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1441         else
1442           CFLAGS=${CFLAGS-"-O2"}
1443           CXXFLAGS=${CXXFLAGS-"-O2"}
1444         fi
1445         rm -f conftest*
1446         break
1447       fi
1448     done
1449     IFS="$save_ifs"
1450     CC=${CC-cc}
1451   else
1452     # Determine if we are using gcc.
1453     cat > conftest.c <<EOF
1454 #ifdef __GNUC__
1455   yes;
1456 #endif
1457 EOF
1458     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1459       cc_prog_is_gcc=yes
1460     fi
1461     rm -f conftest.c
1462     if test -z "${CFLAGS}"; then
1463       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1464       # is set to a version of gcc.
1465       if test "$cc_prog_is_gcc" = yes; then
1466         echo 'void f(){}' > conftest.c
1467         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1468           CFLAGS=${CFLAGS-"-g -O2"}
1469           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1470         else
1471           CFLAGS=${CFLAGS-"-O2"}
1472           CXXFLAGS=${CXXFLAGS-"-O2"}
1473         fi
1474         rm -f conftest*
1475       fi
1476     fi
1477   fi
1478
1479   # We must set the default linker to the linker used by gcc for the correct
1480   # operation of libtool.  If LD is not defined and we are using gcc, try to
1481   # set the LD default to the ld used by gcc.
1482   if test -z "$LD"; then
1483     if test "$cc_prog_is_gcc" = yes; then
1484       case $build in
1485       *-*-mingw*)
1486         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1487       *)
1488         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1489       esac
1490       case $gcc_prog_ld in
1491       # Accept absolute paths.
1492       [[\\/]* | [A-Za-z]:[\\/]*)]
1493         LD="$gcc_prog_ld" ;;
1494       esac
1495     fi
1496   fi
1497
1498   CXX=${CXX-"c++"}
1499   CFLAGS=${CFLAGS-"-g"}
1500   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1501 fi
1502
1503 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1504 # Set up the list of links to be made.
1505 # ${links} is the list of link names, and ${files} is the list of names to link to.
1506
1507 # Make the links.
1508 configlinks="${links}"
1509 if test -r ./config.status  ; then
1510   mv -f ./config.status ./config.back
1511 fi
1512 while test -n "${files}" ; do
1513   # set file to car of files, files to cdr of files
1514   set ${files}; file=$1; shift; files=$*
1515   set ${links}; link=$1; shift; links=$*
1516
1517   if test ! -r ${srcdir}/${file} ; then
1518     if test ! -r ${file} ; then
1519       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1520       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1521       exit 1
1522     else
1523       srcfile=${file}
1524     fi
1525   else
1526     srcfile=${srcdir}/${file}
1527   fi
1528
1529   ${remove} -f ${link}
1530   # Make a symlink if possible, otherwise try a hard link
1531   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1532     true
1533   else
1534     # We need to re-remove the file because Lynx leaves a
1535     # very strange directory there when it fails an NFS symlink.
1536     ${remove} -r -f ${link}
1537     ${hard_link} ${srcfile} ${link}
1538   fi
1539   if test ! -r ${link} ; then
1540     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1541     exit 1
1542   fi
1543
1544   echo "Linked \"${link}\" to \"${srcfile}\"."
1545 done
1546
1547 # Create a .gdbinit file which runs the one in srcdir
1548 # and tells GDB to look there for source files.
1549
1550 if test -r ${srcdir}/.gdbinit ; then
1551   case ${srcdir} in
1552     .) ;;
1553     *) cat > ./.gdbinit <<EOF
1554 # ${NO_EDIT}
1555 dir ${srcdir}
1556 dir .
1557 source ${srcdir}/.gdbinit
1558 EOF
1559     ;;
1560   esac
1561 fi
1562
1563 # Make sure that the compiler is able to generate an executable.  If it
1564 # can't, we are probably in trouble.  We don't care whether we can run the
1565 # executable--we might be using a cross compiler--we only care whether it
1566 # can be created.  At this point the main configure script has set CC.
1567 we_are_ok=no
1568 echo "int main () { return 0; }" > conftest.c
1569 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1570 if test $? = 0 ; then
1571   if test -s conftest || test -s conftest.exe ; then
1572     we_are_ok=yes
1573   fi
1574 fi
1575 case $we_are_ok in
1576   no)
1577     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1578     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1579     rm -f conftest*
1580     exit 1
1581     ;;
1582 esac
1583 rm -f conftest*
1584
1585 # The Solaris /usr/ucb/cc compiler does not appear to work.
1586 case "${host}" in
1587   sparc-sun-solaris2*)
1588       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1589       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1590           could_use=
1591           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1592           if test -d /opt/cygnus/bin ; then
1593               if test "$could_use" = "" ; then
1594                   could_use="/opt/cygnus/bin"
1595               else
1596                   could_use="$could_use or /opt/cygnus/bin"
1597               fi
1598           fi
1599         if test "$could_use" = "" ; then
1600             echo "Warning: compilation may fail because you're using"
1601             echo "/usr/ucb/cc.  You should change your PATH or CC "
1602             echo "variable and rerun configure."
1603         else
1604             echo "Warning: compilation may fail because you're using"
1605             echo "/usr/ucb/cc, when you should use the C compiler from"
1606             echo "$could_use.  You should change your"
1607             echo "PATH or CC variable and rerun configure."
1608         fi
1609       fi
1610   ;;
1611 esac
1612
1613 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1614 # binutils tools will find libbfd.so.
1615 case "${enable_shared}" in
1616   no | "") SET_LIB_PATH= ;;
1617   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1618 esac
1619
1620 case "${host}" in
1621   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1622   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1623 esac
1624
1625 # Record target_configdirs and the configure arguments for target and
1626 # build configuration in Makefile.
1627 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1628
1629 # This is the final value for target_configdirs.  configdirs already
1630 # has its final value, as does build_modules.  It's time to create some
1631 # lists of valid targets.
1632
1633 all_build_modules=
1634 configure_build_modules=
1635 for module in ${build_modules} ; do
1636   all_build_modules=all-build-${module}
1637   configure_build_modules=configure-build-${module}
1638 done
1639
1640 # Determine whether gdb needs tk/tcl or not.
1641 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1642 # and in that case we want gdb to be built without tk.  Ugh!
1643 # In fact I believe gdb is the *only* package directly dependent on tk,
1644 # so we should be able to put the 'maybe's in unconditionally and
1645 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1646 # 100% sure that that's safe though.
1647
1648 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1649 case "$enable_gdbtk" in
1650   no)
1651     GDB_TK="" ;;
1652   yes)
1653     GDB_TK="${gdb_tk}" ;;
1654   *)
1655     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1656     # distro.  Eventually someone will fix this and move Insight, nee
1657     # gdbtk to a separate directory.
1658     if test -d ${srcdir}/gdb/gdbtk ; then
1659       GDB_TK="${gdb_tk}"
1660     else
1661       GDB_TK=""
1662     fi
1663     ;;
1664 esac
1665
1666 # Create the 'maybe dependencies'.  This uses a temporary file.
1667
1668 # While at that, we remove Makefiles if we were started for recursive
1669 # configuration, so that the top-level Makefile reconfigures them,
1670 # like we used to do when configure itself was recursive.
1671 rm -f maybedep.tmp
1672 echo '# maybedep.tmp' > maybedep.tmp
1673
1674 # Make-targets which may need maybe dependencies.
1675 mts="configure all install check clean distclean dvi info install-info"
1676 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1677
1678 # Loop over modules and make-targets.
1679 for module in ${build_modules} ; do
1680   if test -z "${no_recursion}" \
1681      && test -f ${build_subdir}/${module}/Makefile; then
1682     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1683     rm -f ${build_subdir}/${module}/Makefile
1684   fi
1685   for mt in ${mts} ; do
1686     case ${mt} in
1687       install) ;; # No installing build modules.
1688       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1689     esac
1690   done
1691 done
1692 for module in ${configdirs} ; do
1693   if test -z "${no_recursion}" \
1694      && test -f ${module}/Makefile; then
1695     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1696     rm -f ${module}/Makefile
1697   fi
1698   for mt in ${mts} ; do
1699     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1700   done
1701 done
1702 for module in ${target_configdirs} ; do
1703   if test -z "${no_recursion}" \
1704      && test -f ${target_subdir}/${module}/Makefile; then
1705     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1706     rm -f ${target_subdir}/${module}/Makefile
1707   fi
1708   for mt in ${mts} ; do
1709     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1710   done
1711 done
1712 maybe_dependencies=maybedep.tmp
1713 AC_SUBST_FILE(maybe_dependencies)
1714
1715 # Create the serialization dependencies.  This uses a temporary file.
1716
1717 AC_ARG_ENABLE([serial-configure],
1718 [  --enable-serial-[{host,target,build}-]configure
1719                           Force sequential configuration of
1720                           sub-packages for the host, target or build
1721                           machine, or all sub-packages])
1722
1723 case ${enable_serial_configure} in
1724   yes)
1725     enable_serial_build_configure=yes
1726     enable_serial_host_configure=yes
1727     enable_serial_target_configure=yes
1728     ;;
1729 esac
1730
1731 # These force 'configure's to be done one at a time, to avoid problems
1732 # with contention over a shared config.cache.
1733 rm -f serdep.tmp
1734 echo '# serdep.tmp' > serdep.tmp
1735 olditem=
1736 test "x${enable_serial_build_configure}" = xyes &&
1737 for item in ${build_configdirs} ; do
1738   case ${olditem} in
1739     "") ;;
1740     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1741   esac
1742   olditem=${item}
1743 done
1744 olditem=
1745 test "x${enable_serial_host_configure}" = xyes &&
1746 for item in ${configdirs} ; do
1747   case ${olditem} in
1748     "") ;;
1749     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1750   esac
1751   olditem=${item}
1752 done
1753 olditem=
1754 test "x${enable_serial_target_configure}" = xyes &&
1755 for item in ${target_configdirs} ; do
1756   case ${olditem} in
1757     "") ;;
1758     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1759   esac
1760   olditem=${item}
1761 done
1762 serialization_dependencies=serdep.tmp
1763 AC_SUBST_FILE(serialization_dependencies)
1764
1765 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1766 # target and nonopt.  These are the ones we might not want to pass
1767 # down to subconfigures.
1768 cat <<\EOF_SED > conftestsed
1769 s/ --no[[^ ]]* / /
1770 s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
1771 s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
1772 s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
1773 s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
1774 s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
1775 s/ -cache-file[[= ]][[^ ]]* / /
1776 s/ -srcdir[[= ]][[^ ]]* / /
1777 s/ -host[[= ]][[^ ]]* / /
1778 s/ -build[[= ]][[^ ]]* / /
1779 s/ -target[[= ]][[^ ]]* / /
1780 s/ [[^' -][^ ]*] / /
1781 s/^ *//;s/ *$//
1782 s,\\,\\\\,g; s,\$,$$,g
1783 EOF_SED
1784 baseargs=`echo " ${ac_configure_args} " | sed -fconftestsed`
1785 rm -f conftestsed
1786
1787 # For the build-side libraries, we just need to pretend we're native,
1788 # and not use the same cache file.  Multilibs are neither needed nor
1789 # desired.
1790 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1791
1792 # For host modules, accept cache file option, or specification as blank.
1793 case "${cache_file}" in
1794 "") # empty
1795   cache_file_option="" ;;
1796 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1797   cache_file_option="--cache-file=${cache_file}" ;;
1798 *) # relative path
1799   cache_file_option="--cache-file=../${cache_file}" ;;
1800 esac
1801
1802 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1803
1804 target_configargs=${baseargs}
1805
1806 # Passing a --with-cross-host argument lets the target libraries know
1807 # whether they are being built with a cross-compiler or being built
1808 # native.  However, it would be better to use other mechanisms to make the
1809 # sorts of decisions they want to make on this basis.  Please consider
1810 # this option to be deprecated.  FIXME.
1811 if test x${is_cross_compiler} = xyes ; then
1812   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1813 fi
1814
1815 # Default to --enable-multilib.
1816 if test x${enable_multilib} = x ; then
1817   target_configargs="--enable-multilib ${target_configargs}"
1818 fi
1819
1820 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1821 # changed from the earlier setting of with_newlib.
1822 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1823   target_configargs="--with-newlib ${target_configargs}"
1824 fi
1825
1826 # Pass the appropriate --host, --build, and --cache-file arguments.
1827 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1828
1829 # provide a proper gxx_include_dir.
1830 # Note, if you change the default, make sure to fix both here and in
1831 # the gcc and libstdc++-v3 subdirectories.
1832 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1833 case "${with_gxx_include_dir}" in
1834   yes)
1835     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1836     ;;
1837   no | "")
1838     case "${enable_version_specific_runtime_libs}" in
1839       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1840       *)
1841         . ${srcdir}/config.if
1842         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1843     esac ;;
1844   *) gxx_include_dir=${with_gxx_include_dir} ;;
1845 esac
1846
1847 FLAGS_FOR_TARGET=
1848 case " $target_configdirs " in
1849  *" newlib "*)
1850   case " $target_configargs " in
1851   *" --with-newlib "*)
1852    case "$target" in
1853    *-cygwin*)
1854      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 $$s/winsup/w32api/include' ;;
1855    esac
1856
1857    # If we're not building GCC, don't discard standard headers.
1858    if test -d ${srcdir}/gcc; then
1859      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1860
1861      if test "${build}" != "${host}"; then
1862        # On Canadian crosses, CC_FOR_TARGET will have already been set
1863        # by `configure', so we won't have an opportunity to add -Bgcc/
1864        # to it.  This is right: we don't want to search that directory
1865        # for binaries, but we want the header files in there, so add
1866        # them explicitly.
1867        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1868
1869        # Someone might think of using the pre-installed headers on
1870        # Canadian crosses, in case the installed compiler is not fully
1871        # compatible with the compiler being built.  In this case, it
1872        # would be better to flag an error than risking having
1873        # incompatible object files being constructed.  We can't
1874        # guarantee that an error will be flagged, but let's hope the
1875        # compiler will do it, when presented with incompatible header
1876        # files.
1877      fi
1878    fi
1879
1880    case "${target}-${is_cross_compiler}" in
1881    i[[3456789]]86-*-linux*-no)
1882       # Here host == target, so we don't need to build gcc,
1883       # so we don't want to discard standard headers.
1884       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1885       ;;
1886    *)
1887       # If we're building newlib, use its generic headers last, but search
1888       # for any libc-related directories first (so make it the last -B
1889       # switch).
1890       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1891       ;;
1892    esac
1893    ;;
1894   esac
1895   ;;
1896 esac
1897
1898 # On Canadian crosses, we'll be searching the right directories for
1899 # the previously-installed cross compiler, so don't bother to add
1900 # flags for directories within the install tree of the compiler
1901 # being built; programs in there won't even run.
1902 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1903   # Search for pre-installed headers if nothing else fits.
1904   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1905 fi
1906
1907 if test "x${use_gnu_ld}" = x &&
1908    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1909   # Arrange for us to find uninstalled linker scripts.
1910   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1911 fi
1912
1913 if test "x${CC_FOR_TARGET+set}" = xset; then
1914   :
1915 elif test -d ${srcdir}/gcc; then
1916   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1917 elif test "$host" = "$target"; then
1918   CC_FOR_TARGET='$(CC)'
1919 else
1920   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1921 fi
1922 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1923
1924 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1925   :
1926 elif test -d ${srcdir}/gcc; then
1927   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1928 elif test "$host" = "$target"; then
1929   GCJ_FOR_TARGET='gcj'
1930 else
1931   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1932 fi
1933 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1934
1935 # Don't use libstdc++-v3's flags to configure/build itself.
1936 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'
1937 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1938
1939 if test "x${CXX_FOR_TARGET+set}" = xset; then
1940   :
1941 elif test -d ${srcdir}/gcc; then
1942   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1943   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1944   # default whereas gcc does not.
1945   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1946   # all other cases.
1947   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1948   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1949 elif test "$host" = "$target"; then
1950   CXX_FOR_TARGET='$(CXX)'
1951   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1952 else
1953   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1954   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1955 fi
1956 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1957 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1958
1959 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1960 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1961
1962 # We want to defer the evaluation of `cmd`s and shell variables in
1963 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1964 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1965 # quotes, but we still have to duplicate `$'s so that shell variables
1966 # can be expanded by the nested make as shell variables, not as make
1967 # macros.
1968 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1969 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1970
1971 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1972 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1973 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1974 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1975 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1976 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1977 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1978
1979 # Makefile fragments.
1980 host_makefile_frag=${srcdir}/${host_makefile_frag}
1981 target_makefile_frag=${srcdir}/${target_makefile_frag}
1982 alphaieee_frag=${srcdir}/${alphaieee_frag}
1983 ospace_frag=${srcdir}/${ospace_frag}
1984 AC_SUBST_FILE(host_makefile_frag)
1985 AC_SUBST_FILE(target_makefile_frag)
1986 AC_SUBST_FILE(alphaieee_frag)
1987 AC_SUBST_FILE(ospace_frag)
1988
1989 # Miscellanea: directories, flags, etc.
1990 AC_SUBST(SET_LIB_PATH)
1991 AC_SUBST(RPATH_ENVVAR)
1992 AC_SUBST(BUILD_PREFIX)
1993 AC_SUBST(BUILD_PREFIX_1)
1994 AC_SUBST(configlinks)
1995 AC_SUBST(gcc_version_trigger)
1996 AC_SUBST(gcc_version)
1997 AC_SUBST(tooldir)
1998 AC_SUBST(build_tooldir)
1999 AC_SUBST(GDB_TK)
2000 AC_SUBST(gxx_include_dir)
2001 AC_SUBST(libstdcxx_incdir)
2002
2003 # Build module lists & subconfigure args.
2004 AC_SUBST(build_configargs)
2005 AC_SUBST(configure_build_modules)
2006 AC_SUBST(all_build_modules)
2007
2008 # Host module lists & subconfigure args.
2009 AC_SUBST(host_configargs)
2010 AC_SUBST(configdirs)
2011
2012 # Target module lists & subconfigure args.
2013 AC_SUBST(target_configargs)
2014 AC_SUBST(target_configdirs)
2015
2016 # Build tools.
2017 AC_SUBST(BISON)
2018 AC_SUBST(CC_FOR_BUILD)
2019 AC_SUBST(LEX)
2020 AC_SUBST(MAKEINFO)
2021 AC_SUBST(YACC)
2022 AC_SUBST(config_shell)
2023
2024 # Host tools.
2025 NCN_STRICT_CHECK_TOOL(AR, ar)
2026 NCN_STRICT_CHECK_TOOL(AS, as)
2027 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2028 NCN_STRICT_CHECK_TOOL(LD, ld)
2029 NCN_STRICT_CHECK_TOOL(NM, nm)
2030 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2031 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2032 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2033 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2034 AC_SUBST(CC)
2035 AC_SUBST(CXX)
2036 AC_SUBST(CFLAGS)
2037 AC_SUBST(CXXFLAGS)
2038 AC_SUBST(DEFAULT_YACC)
2039 AC_SUBST(DEFAULT_LEX)
2040 AC_SUBST(DEFAULT_M4)
2041
2042 # Target tools.
2043 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2044 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2045 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2046 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2047 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2048 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2049 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2050
2051 AC_SUBST(GCC_FOR_TARGET)
2052 AC_SUBST(FLAGS_FOR_TARGET)
2053 AC_SUBST(CC_FOR_TARGET)
2054 AC_SUBST(GCJ_FOR_TARGET)
2055 AC_SUBST(CXX_FOR_TARGET)
2056 AC_SUBST(RAW_CXX_FOR_TARGET)
2057 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2058 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2059
2060 # Fix up target tools.
2061 if test "x${build}" = "x${host}" ; then
2062   # In this case, the newly built tools can and should be used,
2063   # so we override the results of the autoconf tests.
2064   # This should really only happen when the tools are actually being built,
2065   # but that's a further refinement.  The new build scheme, where
2066   # tools are built into a structure paralleling where they're installed,
2067   # should also eliminate all of this cleanly.
2068   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2069   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2070   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2071   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2072   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2073   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2074   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2075 fi
2076 # Certain tools may need extra flags.
2077 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2078 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2079 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2080
2081 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2082 AC_ARG_ENABLE(maintainer-mode,
2083 [  --enable-maintainer-mode enable make rules and dependencies not useful
2084                           (and sometimes confusing) to the casual installer],
2085       USE_MAINTAINER_MODE=$enableval,
2086       USE_MAINTAINER_MODE=no)
2087 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2088 AC_SUBST(MAINTAINER_MODE_TRUE)
2089 AC_SUBST(MAINTAINER_MODE_FALSE)
2090 if test "$USE_MAINTAINER_MODE" = yes; then
2091   MAINTAINER_MODE_TRUE=
2092   MAINTAINER_MODE_FALSE='#'
2093 else
2094   MAINTAINER_MODE_TRUE='#'
2095   MAINTAINER_MODE_FALSE=
2096 fi
2097 MAINT=$MAINTAINER_MODE_TRUE
2098 AC_SUBST(MAINT)dnl
2099
2100 AC_OUTPUT(Makefile)