configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003, 2004 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=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded by make, so quote '$'.
  71 tmp="$progname $@"
  72 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
  73 $tmp
  74 EOF_SED
  75 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
  76 rm -f conftestsed.out
  77 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  78
  79 moveifchange=${srcdir}/move-if-change
  80
  81 # Set srcdir to "." if that's what it is.
  82 # This is important for multilib support.
  83 pwd=`${PWDCMD-pwd}`
  84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  85 if test "${pwd}" = "${srcpwd}" ; then
  86   srcdir=.
  87 fi
  88
  89 topsrcdir=$srcpwd
  90
  91 extra_host_args=
  92 # Define the trigger file to make sure configure will re-run whenever
  93 # the gcc version number changes.
  94 if test "${with_gcc_version_trigger+set}" = set ; then
  95   gcc_version_trigger="$with_gcc_version_trigger"
  96   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  97 else
  98   # If gcc's sources are available, define the trigger file.
  99   if test -f ${topsrcdir}/gcc/version.c ; then
 100     gcc_version_trigger=${topsrcdir}/gcc/version.c
 101     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 102     case "$ac_configure_args" in
 103       *--with-gcc-version-trigger=$gcc_version_trigger* )
 104         ;;
 105       * )
 106         # Add to all subconfigure arguments: build, host, and target.
 107         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 108         ;;
 109     esac
 110   fi
 111 fi
 112
 113 ### To add a new directory to the tree, first choose whether it is a target
 114 ### or a host dependent tool.  Then put it into the appropriate list
 115 ### (library or tools, host or target), doing a dependency sort.
 116
 117 # Subdirs will be configured in the order listed in build_configdirs,
 118 # configdirs, or target_configdirs; see the serialization section below.
 119
 120 # Dependency sorting is only needed when *configuration* must be done in
 121 # a particular order.  In all cases a dependency should be specified in
 122 # the Makefile, whether or not it's implicitly specified here.
 123
 124 # Double entries in build_configdirs, configdirs, or target_configdirs may
 125 # cause circular dependencies and break everything horribly.
 126
 127 # these libraries are used by various programs built for the host environment
 128 #
 129 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 130
 131 # these tools are built for the host environment
 132 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 133 # know that we are building the simulator.
 134 # binutils, gas and ld appear in that order because it makes sense to run
 135 # "make check" in that particular order.
 136 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"
 137
 138 # libgcj represents the runtime libraries only used by gcj.
 139 libgcj="target-libffi \
 140         target-boehm-gc \
 141         target-zlib \
 142         target-qthreads \
 143         target-libjava"
 144
 145 # these libraries are built for the target environment, and are built after
 146 # the host libraries and the host tools (which may be a cross compiler)
 147 #
 148 target_libraries="target-libiberty \
 149                 target-libgloss \
 150                 target-newlib \
 151                 target-libstdc++-v3 \
 152                 target-libf2c \
 153                 ${libgcj} \
 154                 target-libobjc \
 155                 target-libada"
 156
 157 # these tools are built using the target libraries, and are intended to
 158 # run only in the target environment
 159 #
 160 # note: any program that *uses* libraries that are in the "target_libraries"
 161 # list belongs in this list.  those programs are also very likely
 162 # candidates for the "native_only" list which follows
 163 #
 164 target_tools="target-examples target-groff target-gperf target-rda"
 165
 166 ################################################################################
 167
 168 ## All tools belong in one of the four categories, and are assigned above
 169 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 170 ## is important because configure will choke if they ever get through.
 171 ## ${configdirs} is directories we build using the host tools.
 172 ## ${target_configdirs} is directories we build using the target tools.
 173 #
 174 configdirs=`echo ${host_libs} ${host_tools}`
 175 target_configdirs=`echo ${target_libraries} ${target_tools}`
 176
 177 # Only make build modules if build != host.
 178 # This should be done more generally, but at the moment it doesn't matter.
 179 if test ${host_alias} != ${build_alias} ; then
 180   # This is the only build module.
 181   build_modules=libiberty
 182 else
 183   build_modules=
 184 fi
 185
 186
 187 ################################################################################
 188
 189 srcname="gnu development package"
 190
 191 # This gets set non-empty for some net releases of packages.
 192 appdirs=""
 193
 194 # Define is_cross_compiler to save on calls to 'test'.
 195 is_cross_compiler=
 196 if test x"${host}" = x"${target}" ; then
 197   is_cross_compiler=no
 198 else
 199   is_cross_compiler=yes
 200 fi
 201
 202 # Find the build and target subdir names.
 203 GCC_TOPLEV_SUBDIRS
 204
 205 # Skipdirs are removed silently.
 206 skipdirs=
 207 # Noconfigdirs are removed loudly.
 208 noconfigdirs=""
 209
 210 use_gnu_ld=
 211 # Make sure we don't let GNU ld be added if we didn't want it.
 212 if test x$with_gnu_ld = xno ; then
 213   use_gnu_ld=no
 214   noconfigdirs="$noconfigdirs ld"
 215 fi
 216
 217 use_gnu_as=
 218 # Make sure we don't let GNU as be added if we didn't want it.
 219 if test x$with_gnu_as = xno ; then
 220   use_gnu_as=no
 221   noconfigdirs="$noconfigdirs gas"
 222 fi
 223
 224 # some tools are so dependent upon X11 that if we're not building with X,
 225 # it's not even worth trying to configure, much less build, that tool.
 226
 227 case ${with_x} in
 228   yes | "") ;; # the default value for this tree is that X11 is available
 229   no)
 230     skipdirs="${skipdirs} tk tix itcl libgui"
 231     # We won't be able to build gdbtk without X.
 232     enable_gdbtk=no
 233     ;;
 234   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 235 esac
 236
 237 # Some tools are only suitable for building in a "native" situation.
 238 # Remove these if host!=target.
 239 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"
 240
 241 # Similarly, some are only suitable for cross toolchains.
 242 # Remove these if host=target.
 243 cross_only="target-libgloss target-newlib target-opcodes"
 244
 245 case $is_cross_compiler in
 246   no) skipdirs="${skipdirs} ${cross_only}" ;;
 247   yes) skipdirs="${skipdirs} ${native_only}" ;;
 248 esac
 249
 250 # If both --with-headers and --with-libs are specified, default to
 251 # --without-newlib.
 252 if test x"${with_headers}" != x && test x"${with_headers} != xno \
 253    && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
 254   if test x"${with_newlib}" = x ; then
 255     with_newlib=no
 256   fi
 257 fi
 258
 259 # Recognize --with-newlib/--without-newlib.
 260 case ${with_newlib} in
 261   no) skipdirs="${skipdirs} target-newlib" ;;
 262   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 263 esac
 264
 265 # Configure extra directories which are host specific
 266
 267 case "${host}" in
 268   *-cygwin*)
 269     configdirs="$configdirs libtermcap" ;;
 270 esac
 271
 272 # Remove more programs from consideration, based on the host or
 273 # target this usually means that a port of the program doesn't
 274 # exist yet.
 275
 276 case "${host}" in
 277   hppa*64*-*-*)
 278     noconfigdirs="$noconfigdirs byacc"
 279     ;;
 280   i[[3456789]]86-*-vsta)
 281     noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 282     ;;
 283   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 284     noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 285     ;;
 286   i[[3456789]]86-*-mingw32*)
 287     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 288     noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 289     ;;
 290   i[[3456789]]86-*-beos*)
 291     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 292     ;;
 293   *-*-cygwin*)
 294     noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
 295     ;;
 296   *-*-netbsd*)
 297     noconfigdirs="$noconfigdirs rcs"
 298     ;;
 299   ppc*-*-pe)
 300     noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 301     ;;
 302   powerpc-*-beos*)
 303     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 304     ;;
 305   *-*-darwin*)
 306     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 307     ;;
 308 esac
 309
 310 AC_ARG_ENABLE(libada,
 311 [  --enable-libada        Builds libada directory],
 312 ENABLE_LIBADA=$enableval,
 313 ENABLE_LIBADA=yes)
 314 if test "${ENABLE_LIBADA}" != "yes" ; then
 315   noconfigdirs="$noconfigdirs target-libada"
 316 fi
 317
 318 # Save it here so that, even in case of --enable-libgcj, if the Java
 319 # front-end isn't enabled, we still get libgcj disabled.
 320 libgcj_saved=$libgcj
 321 case $enable_libgcj in
 322 yes)
 323   # If we reset it here, it won't get added to noconfigdirs in the
 324   # target-specific build rules, so it will be forcibly enabled
 325   # (unless the Java language itself isn't enabled).
 326   libgcj=
 327   ;;
 328 no)
 329   # Make sure we get it printed in the list of not supported target libs.
 330   noconfigdirs="$noconfigdirs ${libgcj}"
 331   ;;
 332 esac
 333
 334 case "${target}" in
 335   *-*-chorusos)
 336     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 337     ;;
 338   powerpc-*-darwin*)
 339     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 340     noconfigdirs="$noconfigdirs target-libobjc"
 341     ;;
 342   *-*-darwin*)
 343     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 344     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 345     ;;
 346   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 347     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 348     ;;
 349   *-*-kaos*)
 350     # Remove unsupported stuff on all kaOS configurations.
 351     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 352     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 353     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 354     noconfigdirs="$noconfigdirs target-libgloss"
 355     ;;
 356   *-*-netbsd*)
 357     # Skip some stuff on all NetBSD configurations.
 358     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 359
 360     # Skip some stuff that's unsupported on some NetBSD configurations.
 361     case "${target}" in
 362       i*86-*-netbsdelf*) ;;
 363       arm*-*-netbsdelf*) ;;
 364       *)
 365         noconfigdirs="$noconfigdirs ${libgcj}"
 366         ;;
 367     esac
 368     ;;
 369   *-*-netware)
 370     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 371     ;;
 372   *-*-rtems*)
 373     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 374     case ${target} in
 375         h8300*-*-* | h8500-*-*)
 376           noconfigdirs="$noconfigdirs target-libf2c"
 377           ;;
 378         *) ;;
 379     esac
 380     ;;
 381   *-*-uclinux*)
 382     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
 383     ;;
 384   *-*-vxworks*)
 385     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
 386     ;;
 387   alpha*-dec-osf*)
 388     # ld works, but does not support shared libraries.
 389     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 390     # gas doesn't generate exception information.
 391     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 392     ;;
 393   alpha*-*-*vms*)
 394     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 395     ;;
 396   alpha*-*-linux*)
 397     # newlib is not 64 bit ready
 398     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 399     ;;
 400   alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
 401     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 402     ;;
 403   alpha*-*-*)
 404     # newlib is not 64 bit ready
 405     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 406     ;;
 407   am33_2.0-*-linux*)
 408     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 409     ;;
 410   sh-*-linux*)
 411     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 412     ;;
 413   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 414     noconfigdirs="$noconfigdirs ${libgcj}"
 415     noconfigdirs="$noconfigdirs target-examples"
 416     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 417     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 418     noconfigdirs="$noconfigdirs expect dejagnu"
 419     # the C++ libraries don't build on top of CE's C libraries
 420     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 421     noconfigdirs="$noconfigdirs target-newlib"
 422     case "${host}" in
 423       *-*-cygwin*) ;; # keep gdb and readline
 424       *) noconfigdirs="$noconfigdirs gdb readline"
 425          ;;
 426     esac
 427     ;;
 428   arc-*-*)
 429     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 430     ;;
 431   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 432     noconfigdirs="$noconfigdirs ${libgcj}"
 433     ;;
 434   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 435     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 436     ;;
 437   arm-*-pe*)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   arm-*-oabi*)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-coff)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   thumb-*-elf)
 447     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 448     ;;
 449   thumb-*-oabi)
 450     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 451     ;;
 452   thumb-*-pe)
 453     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 454     ;;
 455   arm-*-riscix*)
 456     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 457     ;;
 458   avr-*-*)
 459     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 460     ;;
 461   c4x-*-* | tic4x-*-*)
 462     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 463     ;;
 464   c54x*-*-* | tic54x-*-*)
 465     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 466     ;;
 467   cris-*-*)
 468     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 469     ;;
 470   d10v-*-*)
 471     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 472     ;;
 473   d30v-*-*)
 474     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 475     ;;
 476   fr30-*-elf*)
 477     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 478     ;;
 479   frv-*-*)
 480     noconfigdirs="$noconfigdirs ${libgcj}"
 481     ;;
 482   h8300*-*-*)
 483     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 484     ;;
 485   h8500-*-*)
 486     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 487     ;;
 488   hppa*64*-*-linux* | parisc*64*-*-linux*)
 489     # In this case, it's because the hppa64-linux target is for
 490     # the kernel only at this point and has no libc, and thus no
 491     # headers, crt*.o, etc., all of which are needed by these.
 492     noconfigdirs="$noconfigdirs target-zlib"
 493     ;;
 494   hppa*-*-*elf* | \
 495   parisc*-*-linux* | hppa*-*-linux* | \
 496   hppa*-*-lites* | \
 497   hppa*-*-openbsd* | \
 498   hppa*64*-*-*)
 499     noconfigdirs="$noconfigdirs ${libgcj}"
 500     # Do configure ld/binutils/gas for this case.
 501     ;;
 502   hppa*-*-*)
 503     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 504     # build on HP-UX 10.20.
 505     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 506     ;;
 507   i960-*-*)
 508     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 509     ;;
 510   ia64*-*-elf*)
 511     # No gdb support yet.
 512     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 513     ;;
 514   ia64*-**-hpux*)
 515     # No gdb or ld support yet.
 516     noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
 517     ;;
 518   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 519     noconfigdirs="$noconfigdirs ${libgcj}"
 520     ;;
 521   i[[3456789]]86-*-freebsd* | i[[3456789]]86-*-kfreebsd*-gnu)
 522     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 523     ;;
 524   i[[3456789]]86-*-linux*)
 525     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 526     # not build java stuff by default.
 527     case "${target}" in
 528       *-*-*libc1*)
 529         noconfigdirs="$noconfigdirs ${libgcj}";;
 530     esac
 531
 532     # This section makes it possible to build newlib natively on linux.
 533     # If we are using a cross compiler then don't configure newlib.
 534     if test x${is_cross_compiler} != xno ; then
 535       noconfigdirs="$noconfigdirs target-newlib"
 536     fi
 537     noconfigdirs="$noconfigdirs target-libgloss"
 538     # If we are not using a cross compiler, do configure newlib.
 539     # Note however, that newlib will only be configured in this situation
 540     # if the --with-newlib option has been given, because otherwise
 541     # 'target-newlib' will appear in skipdirs.
 542     ;;
 543   i[[3456789]]86-*-mingw32*)
 544     target_configdirs="$target_configdirs target-mingw"
 545     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 546
 547     # Can't build gdb for mingw32 if not native.
 548     case "${host}" in
 549       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 550       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 551          ;;
 552     esac
 553     ;;
 554   *-*-cygwin*)
 555     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 556     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 557     # always build newlib.
 558     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 559
 560     # Can't build gdb for Cygwin if not native.
 561     case "${host}" in
 562       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 563       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 564          ;;
 565     esac
 566     ;;
 567   i[[3456789]]86-*-pe)
 568     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 569     ;;
 570   i[[3456789]]86-*-sco3.2v5*)
 571     # The linker does not yet know about weak symbols in COFF,
 572     # and is not configured to handle mixed ELF and COFF.
 573     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 574     ;;
 575   i[[3456789]]86-*-sco*)
 576     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 577     ;;
 578   i[[3456789]]86-*-solaris2*)
 579     noconfigdirs="$noconfigdirs target-libgloss"
 580     ;;
 581   i[[3456789]]86-*-sysv4*)
 582     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 583     ;;
 584   i[[3456789]]86-*-beos*)
 585     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 586     ;;
 587   m32r-*-*)
 588     noconfigdirs="$noconfigdirs ${libgcj}"
 589     ;;
 590   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 591     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 592     ;;
 593   m68k-*-elf*)
 594     noconfigdirs="$noconfigdirs ${libgcj}"
 595     ;;
 596   m68k-*-coff*)
 597     noconfigdirs="$noconfigdirs ${libgcj}"
 598     ;;
 599   mcore-*-pe*)
 600   # The EPOC C++ environment does not support exceptions or rtti,
 601   # and so building libstdc++-v3 tends not to always work.
 602     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 603     ;;
 604   mmix-*-*)
 605     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 606     ;;
 607   mn10200-*-*)
 608     noconfigdirs="$noconfigdirs ${libgcj}"
 609     ;;
 610   mn10300-*-*)
 611     noconfigdirs="$noconfigdirs ${libgcj}"
 612     ;;
 613   powerpc-*-aix*)
 614     # copied from rs6000-*-* entry
 615     noconfigdirs="$noconfigdirs gprof target-libada target-libgloss ${libgcj}"
 616     ;;
 617   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 618     target_configdirs="$target_configdirs target-winsup"
 619     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 620     # always build newlib.
 621     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 622     ;;
 623     # This is temporary until we can link against shared libraries
 624   powerpcle-*-solaris*)
 625     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 626     ;;
 627   powerpc-*-beos*)
 628     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 629     ;;
 630   powerpc-*-eabi)
 631     noconfigdirs="$noconfigdirs ${libgcj}"
 632     ;;
 633   rs6000-*-lynxos*)
 634     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 635     ;;
 636   rs6000-*-aix*)
 637     noconfigdirs="$noconfigdirs gprof target-libada target-libgloss ${libgcj}"
 638     ;;
 639   rs6000-*-*)
 640     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 641     ;;
 642   m68k-apollo-*)
 643     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 644     ;;
 645   mips*-*-irix5*)
 646     # The GNU linker does not support shared libraries.
 647     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 648     ;;
 649   mips*-*-irix6*)
 650     # Linking libjava exceeds command-line length limits on at least
 651     # IRIX 6.2, but not on IRIX 6.5.
 652     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 653     # <oldham@codesourcery.com>
 654     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 655     ;;
 656   mips*-dec-bsd*)
 657     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 658     ;;
 659   mips*-*-bsd*)
 660     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 661     ;;
 662   mipstx39-*-*)
 663     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 664     ;;
 665   mips64*-*-linux*)
 666     noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
 667     ;;
 668   mips*-*-linux*)
 669     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 670     ;;
 671   mips*-*-*)
 672     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 673     ;;
 674   romp-*-*)
 675     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 676     ;;
 677   sh-*-*)
 678     case "${host}" in
 679       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 680       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 681       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 682       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 683     esac
 684     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 685     ;;
 686   sh64-*-*)
 687     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 688     ;;
 689   sparc-*-elf*)
 690     noconfigdirs="$noconfigdirs ${libgcj}"
 691     ;;
 692   sparc64-*-elf*)
 693     noconfigdirs="$noconfigdirs ${libgcj}"
 694     ;;
 695   sparclite-*-*)
 696     noconfigdirs="$noconfigdirs ${libgcj}"
 697     ;;
 698   sparc-*-sunos4*)
 699     noconfigdirs="$noconfigdirs ${libgcj}"
 700     if test x${is_cross_compiler} != xno ; then
 701            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 702     else
 703            use_gnu_ld=no
 704     fi
 705     ;;
 706   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 707     ;;
 708   v810-*-*)
 709     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 710     ;;
 711   v850-*-*)
 712     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 713     ;;
 714   v850e-*-*)
 715     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 716     ;;
 717   v850ea-*-*)
 718     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 719     ;;
 720   vax-*-vms)
 721     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 722     ;;
 723   vax-*-*)
 724     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 725     ;;
 726   xtensa-*-*)
 727     noconfigdirs="$noconfigdirs ${libgcj}"
 728     ;;
 729   ip2k-*-*)
 730     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 731     ;;
 732   *-*-linux*)
 733     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 734     ;;
 735   *-*-lynxos*)
 736     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 737     ;;
 738   *-*-*)
 739     noconfigdirs="$noconfigdirs ${libgcj}"
 740     ;;
 741 esac
 742
 743 # If we aren't building newlib, then don't build libgloss, since libgloss
 744 # depends upon some newlib header files.
 745 case "${noconfigdirs}" in
 746   *target-libgloss*) ;;
 747   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 748 esac
 749
 750 # Work in distributions that contain no compiler tools, like Autoconf.
 751 tentative_cc=""
 752 host_makefile_frag=/dev/null
 753 if test -d ${srcdir}/config ; then
 754 case "${host}" in
 755   m68k-hp-hpux*)
 756     # Avoid "too much defining" errors from HPUX compiler.
 757     tentative_cc="cc -Wp,-H256000"
 758     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
 759     # If it's HP/UX ar, this should be harmless.
 760     RANLIB="ar ts"
 761     ;;
 762   m68k-apollo-sysv*)
 763     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
 764     ;;
 765   m68k-apollo-bsd*)
 766     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
 767     # chokes on bfd, the compiler won't let you assign integers to enums, and
 768     # other problems.  Defining CC to gcc is a questionable way to say "don't use
 769     # the apollo compiler" (the preferred version of GCC could be called cc,
 770     # or whatever), but I'm not sure leaving CC as cc is any better...
 771     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
 772     # Used to have BISON=yacc.
 773     tentative_cc=gcc
 774     ;;
 775   m88k-dg-dgux*)
 776     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 777     ;;
 778   m88k-harris-cxux*)
 779     # Under CX/UX, we want to tell the compiler to use ANSI mode.
 780     tentative_cc="cc -Xa"
 781     host_makefile_frag="config/mh-cxux"
 782     ;;
 783   m88k-motorola-sysv*)
 784     ;;
 785   mips*-dec-ultrix*)
 786     tentative_cc="cc -Wf,-XNg1000"
 787     host_makefile_frag="config/mh-decstation"
 788     ;;
 789   mips*-nec-sysv4*)
 790     # The C compiler on NEC MIPS SVR4 needs bigger tables.
 791     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
 792     host_makefile_frag="config/mh-necv4"
 793     ;;
 794   mips*-sgi-irix4*)
 795     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
 796     # environment.  Also bump switch table size so that cp-parse will
 797     # compile.  Bump string length limit so linker builds.
 798     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
 799     ;;
 800   mips*-*-sysv4*)
 801     host_makefile_frag="config/mh-sysv4"
 802     ;;
 803   mips*-*-sysv*)
 804     # This is for a MIPS running RISC/os 4.52C.
 805
 806     # This is needed for GDB, but needs to be in the top-level make because
 807     # if a library is compiled with the bsd headers and gets linked with the
 808     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
 809     # a different size).
 810     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
 811     # known except to select the sysv environment.  Could we use /proc instead?
 812     # These "sysv environments" and "bsd environments" often end up being a pain.
 813     #
 814     # This is not part of CFLAGS because perhaps not all C compilers have this
 815     # option.
 816     tentative_cc="cc -systype sysv"
 817     ;;
 818   i370-ibm-opened*)
 819     tentative_cc="c89"
 820     ;;
 821   i[[3456789]]86-*-sysv5*)
 822     host_makefile_frag="config/mh-sysv5"
 823     ;;
 824   i[[3456789]]86-*-dgux*)
 825     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 826     host_makefile_frag="config/mh-dgux386"
 827     ;;
 828   i[[3456789]]86-ncr-sysv4.3*)
 829     # The MetaWare compiler will generate a copyright message unless you
 830     # turn it off by adding the -Hnocopyr flag.
 831     tentative_cc="cc -Hnocopyr"
 832     ;;
 833   i[[3456789]]86-ncr-sysv4*)
 834     # for an NCR 3000 (i486/SVR4) system.
 835     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
 836     # This compiler not only emits obnoxious copyright messages every time
 837     # you run it, but it chokes and dies on a whole bunch of GNU source
 838     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
 839     tentative_cc="/usr/ccs/ATT/cc"
 840     host_makefile_frag="config/mh-ncr3000"
 841     ;;
 842   i[[3456789]]86-*-sco3.2v5*)
 843     ;;
 844   i[[3456789]]86-*-sco*)
 845     # The native C compiler botches some simple uses of const.  Unfortunately,
 846     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
 847     tentative_cc="cc -Dconst="
 848     host_makefile_frag="config/mh-sco"
 849     ;;
 850   i[[3456789]]86-*-udk*)
 851     host_makefile_frag="config/mh-sysv5"
 852     ;;
 853   i[[3456789]]86-*-solaris2*)
 854     host_makefile_frag="config/mh-sysv4"
 855     ;;
 856   i[[3456789]]86-*-msdosdjgpp*)
 857     host_makefile_frag="config/mh-djgpp"
 858     ;;
 859   *-cygwin*)
 860     host_makefile_frag="config/mh-cygwin"
 861     ;;
 862   *-mingw32*)
 863     host_makefile_frag="config/mh-mingw32"
 864     ;;
 865   *-interix*)
 866     host_makefile_frag="config/mh-interix"
 867     ;;
 868   vax-*-ultrix2*)
 869     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
 870     tentative_cc=gcc
 871     ;;
 872   *-*-solaris2*)
 873     host_makefile_frag="config/mh-solaris"
 874     ;;
 875   m68k-sun-sunos*)
 876     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
 877     # without overflowing the jump tables (-J says to use a 32 bit table)
 878     tentative_cc="cc -J"
 879     ;;
 880   *-hp-hpux*)
 881     tentative_cc="cc -Wp,-H256000"
 882     ;;
 883   *-*-hiux*)
 884     tentative_cc="cc -Wp,-H256000"
 885     ;;
 886   rs6000-*-lynxos*)
 887     # /bin/cc is less than useful for our purposes.  Always use GCC
 888     tentative_cc="/usr/cygnus/progressive/bin/gcc"
 889     host_makefile_frag="config/mh-lynxrs6k"
 890     ;;
 891   *-*-lynxos*)
 892     # /bin/cc is less than useful for our purposes.  Always use GCC
 893     tentative_cc="/bin/gcc"
 894     ;;
 895   *-*-sysv4*)
 896     host_makefile_frag="config/mh-sysv4"
 897     ;;
 898 esac
 899 fi
 900
 901 # If we aren't going to be using gcc, see if we can extract a definition
 902 # of CC from the fragment.
 903 # Actually, use the 'pre-extracted' version above.
 904 if test -z "${CC}" && test "${build}" = "${host}" ; then
 905   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 906   found=
 907   for dir in $PATH; do
 908     test -z "$dir" && dir=.
 909     if test -f $dir/gcc; then
 910       found=yes
 911       break
 912     fi
 913   done
 914   IFS="$save_ifs"
 915   if test -z "${found}" && test -n "${tentative_cc}" ; then
 916     CC=$tentative_cc
 917   fi
 918 fi
 919
 920 if test "${build}" != "${host}" ; then
 921   # If we are doing a Canadian Cross, in which the host and build systems
 922   # are not the same, we set reasonable default values for the tools.
 923
 924   BISON=${BISON-bison}
 925   CC=${CC-${host_alias}-gcc}
 926   CFLAGS=${CFLAGS-"-g -O2"}
 927   CXX=${CXX-${host_alias}-c++}
 928   CXXFLAGS=${CXXFLAGS-"-g -O2"}
 929   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
 930   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
 931   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
 932   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
 933   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
 934   BUILD_PREFIX=${build_alias}-
 935   BUILD_PREFIX_1=${build_alias}-
 936   MAKEINFO=${MAKEINFO-makeinfo}
 937
 938   if test -z "${YACC}" ; then
 939     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 940     for dir in $PATH; do
 941       test -z "$dir" && dir=.
 942       if test -f $dir/bison; then
 943         YACC="bison -y"
 944         break
 945       fi
 946       if test -f $dir/byacc; then
 947         YACC=byacc
 948         break
 949       fi
 950       if test -f $dir/yacc; then
 951         YACC=yacc
 952         break
 953       fi
 954     done
 955     IFS="$save_ifs"
 956     if test -z "${YACC}" ; then
 957       YACC="bison -y"
 958     fi
 959   fi
 960
 961   if test -z "${LEX}" ; then
 962     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
 963     for dir in $PATH; do
 964       test -z "$dir" && dir=.
 965       if test -f $dir/flex; then
 966         LEX=flex
 967         break
 968       fi
 969       if test -f $dir/lex; then
 970         LEX=lex
 971         break
 972       fi
 973     done
 974     IFS="$save_ifs"
 975     LEX=${LEX-flex}
 976   fi
 977
 978 else
 979   # Set reasonable default values for some tools even if not Canadian.
 980   # Of course, these are different reasonable default values, originally
 981   # specified directly in the Makefile.
 982   # We don't export, so that autoconf can do its job.
 983   # Note that all these settings are above the fragment inclusion point
 984   # in Makefile.in, so can still be overridden by fragments.
 985   # This is all going to change when we autoconfiscate...
 986
 987   BISON="\$(USUAL_BISON)"
 988   CC_FOR_BUILD="\$(CC)"
 989   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
 990   BUILD_PREFIX=
 991   BUILD_PREFIX_1=loser-
 992   MAKEINFO="\$(USUAL_MAKEINFO)"
 993   LEX="\$(USUAL_LEX)"
 994   YACC="\$(USUAL_YACC)"
 995
 996   # If CC is still not set, try to get gcc.
 997   cc_prog_is_gcc=
 998   if test -z "${CC}" ; then
 999     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1000     for dir in $PATH; do
1001       test -z "$dir" && dir=.
1002       if test -f $dir/gcc; then
1003         CC="gcc"
1004         cc_prog_is_gcc=yes
1005         echo 'void f(){}' > conftest.c
1006         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1007           CFLAGS=${CFLAGS-"-g -O2"}
1008           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1009         else
1010           CFLAGS=${CFLAGS-"-O2"}
1011           CXXFLAGS=${CXXFLAGS-"-O2"}
1012         fi
1013         rm -f conftest*
1014         break
1015       fi
1016     done
1017     IFS="$save_ifs"
1018     CC=${CC-cc}
1019   else
1020     # Determine if we are using gcc.
1021     cat > conftest.c <<EOF
1022 #ifdef __GNUC__
1023   yes;
1024 #endif
1025 EOF
1026     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1027       cc_prog_is_gcc=yes
1028     fi
1029     rm -f conftest.c
1030     if test -z "${CFLAGS}"; then
1031       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1032       # is set to a version of gcc.
1033       if test "$cc_prog_is_gcc" = yes; then
1034         echo 'void f(){}' > conftest.c
1035         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1036           CFLAGS=${CFLAGS-"-g -O2"}
1037           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1038         else
1039           CFLAGS=${CFLAGS-"-O2"}
1040           CXXFLAGS=${CXXFLAGS-"-O2"}
1041         fi
1042         rm -f conftest*
1043       fi
1044     fi
1045   fi
1046
1047   # We must set the default linker to the linker used by gcc for the correct
1048   # operation of libtool.  If LD is not defined and we are using gcc, try to
1049   # set the LD default to the ld used by gcc.
1050   if test -z "$LD"; then
1051     if test "$cc_prog_is_gcc" = yes; then
1052       case $build in
1053       *-*-mingw*)
1054         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1055       *)
1056         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1057       esac
1058       case $gcc_prog_ld in
1059       # Accept absolute paths.
1060       [[\\/]* | [A-Za-z]:[\\/]*)]
1061         LD="$gcc_prog_ld" ;;
1062       esac
1063     fi
1064   fi
1065
1066   CXX=${CXX-"c++"}
1067   CFLAGS=${CFLAGS-"-g"}
1068   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1069 fi
1070
1071 ACX_PROG_GNAT
1072
1073 # Figure out what language subdirectories are present.
1074 # Look if the user specified --enable-languages="..."; if not, use
1075 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1076 # go away some day.
1077 # NB:  embedded tabs in this IF block -- do not untabify
1078 if test -d ${srcdir}/gcc; then
1079   if test x"${enable_languages+set}" != xset; then
1080     if test x"${LANGUAGES+set}" = xset; then
1081       enable_languages="${LANGUAGES}"
1082         echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1083     else
1084       enable_languages=all
1085     fi
1086   else
1087     if test x"${enable_languages}" = x ||
1088        test x"${enable_languages}" = xyes;
1089        then
1090       echo configure.in: --enable-languages needs at least one language argument 1>&2
1091       exit 1
1092     fi
1093   fi
1094   enable_languages=`echo "${enable_languages}" | sed -e 's/[[   ,]][[   ,]]*/,/g' -e 's/,$//'`
1095
1096   # First scan to see if an enabled language requires some other language.
1097   # We assume that a given config-lang.in will list all the language
1098   # front ends it requires, even if some are required indirectly.
1099   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1100     case ${lang_frag} in
1101       ..) ;;
1102       # The odd quoting in the next line works around
1103       # an apparent bug in bash 1.12 on linux.
1104       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1105       *)
1106         # From the config-lang.in, get $language, $lang_requires
1107         language=
1108         lang_requires=
1109         . ${lang_frag}
1110         for other in ${lang_requires} ; do
1111           case ,${enable_languages}, in
1112             *,$other,*) ;;
1113             *,all,*) ;;
1114             *,$language,*)
1115               echo " \`$other' language required by \`$language'; enabling" 1>&2
1116               enable_languages="${enable_languages},${other}"
1117               ;;
1118           esac
1119         done
1120         ;;
1121     esac
1122   done
1123
1124   new_enable_languages=c
1125   missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1126
1127   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1128     case ${lang_frag} in
1129       ..) ;;
1130       # The odd quoting in the next line works around
1131       # an apparent bug in bash 1.12 on linux.
1132       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1133       *)
1134         # From the config-lang.in, get $language, $target_libs,
1135         # $lang_dirs, and $build_by_default
1136         language=
1137         target_libs=
1138         lang_dirs=
1139         build_by_default=
1140         . ${lang_frag}
1141         # This is quite sensitive to the ordering of the case statement arms.
1142         case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1143           *::*:*)
1144             echo "${lang_frag} doesn't set \$language." 1>&2
1145             exit 1
1146             ;;
1147           *:ada:no:*)
1148             # Ada was requested with no preexisting GNAT.  Disable unconditionally.
1149             add_this_lang=no
1150             ;;
1151           *,${language},*:*:*:*)
1152             # Language was explicitly selected; include it.
1153             add_this_lang=yes
1154             ;;
1155           *,all,*:*:*:no)
1156             # 'all' was selected, but this is not a default language
1157             # so do not include it.
1158             add_this_lang=no
1159             ;;
1160           *,all,*:*:*:*)
1161             # 'all' was selected and this is a default language; include it.
1162             add_this_lang=yes
1163             ;;
1164           *)
1165             add_this_lang=no
1166             ;;
1167         esac
1168         case $add_this_lang in
1169           no)
1170             # Remove language-dependent dirs.
1171             eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" ;;
1172           *)
1173             new_enable_languages="$new_enable_languages,$language"
1174             missing_languages="`echo "$missing_languages" | sed "s/,$language,/,/"`" ;;
1175         esac
1176         ;;
1177     esac
1178   done
1179
1180   missing_languages="`echo "$missing_languages" | sed -e s/^,// -e s/,$//`"
1181   if test "x$missing_languages" != x; then
1182     AC_MSG_ERROR([
1183 The following requested languages were not found: ${missing_languages}])
1184   fi
1185
1186   if test "x$new_enable_languages" != "x$enable_languages"; then
1187     echo The following languages will be built: ${new_enable_languages}
1188   fi
1189   enable_languages="$new_enable_languages"
1190   ac_configure_args="`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `"
1191 fi
1192
1193 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1194 # $target_configdirs.
1195 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1196
1197 notsupp=""
1198 for dir in . $skipdirs $noconfigdirs ; do
1199   dirname=`echo $dir | sed -e s/target-//g`
1200   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1201     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1202     if test -r $srcdir/$dirname/configure ; then
1203       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1204         true
1205       else
1206         notsupp="$notsupp $dir"
1207       fi
1208     fi
1209   fi
1210   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1211     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1212     if test -r $srcdir/$dirname/configure ; then
1213       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1214         true
1215       else
1216         notsupp="$notsupp $dir"
1217       fi
1218     fi
1219   fi
1220 done
1221
1222 # Sometimes the tools are distributed with libiberty but with no other
1223 # libraries.  In that case, we don't want to build target-libiberty.
1224 if test -n "${target_configdirs}" ; then
1225   others=
1226   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1227     if test "$i" != "libiberty" ; then
1228       if test -r $srcdir/$i/configure ; then
1229         others=yes;
1230         break;
1231       fi
1232     fi
1233   done
1234   if test -z "${others}" ; then
1235     target_configdirs=
1236   fi
1237 fi
1238
1239 # Quietly strip out all directories which aren't configurable in this tree.
1240 # This relies on all configurable subdirectories being autoconfiscated, which
1241 # is now the case.
1242 configdirs_all="$configdirs"
1243 configdirs=
1244 for i in ${configdirs_all} ; do
1245   if test -f ${srcdir}/$i/configure ; then
1246     configdirs="${configdirs} $i"
1247   fi
1248 done
1249 target_configdirs_all="$target_configdirs"
1250 target_configdirs=
1251 for i in ${target_configdirs_all} ; do
1252   j=`echo $i | sed -e s/target-//g`
1253   if test -f ${srcdir}/$j/configure ; then
1254     target_configdirs="${target_configdirs} $i"
1255   fi
1256 done
1257
1258 # Produce a warning message for the subdirs we can't configure.
1259 # This isn't especially interesting in the Cygnus tree, but in the individual
1260 # FSF releases, it's important to let people know when their machine isn't
1261 # supported by the one or two programs in a package.
1262
1263 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1264   # If $appdirs is non-empty, at least one of those directories must still
1265   # be configured, or we error out.  (E.g., if the gas release supports a
1266   # specified target in some subdirs but not the gas subdir, we shouldn't
1267   # pretend that all is well.)
1268   if test -n "$appdirs" ; then
1269     for dir in $appdirs ; do
1270       if test -r $dir/Makefile.in ; then
1271         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1272           appdirs=""
1273           break
1274         fi
1275         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1276           appdirs=""
1277           break
1278         fi
1279       fi
1280     done
1281     if test -n "$appdirs" ; then
1282       echo "*** This configuration is not supported by this package." 1>&2
1283       exit 1
1284     fi
1285   fi
1286   # Okay, some application will build, or we don't care to check.  Still
1287   # notify of subdirs not getting built.
1288   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1289   echo "    ${notsupp}" 1>&2
1290   echo "    (Any other directories should still work fine.)" 1>&2
1291 fi
1292
1293 case "$host" in
1294   *msdosdjgpp*)
1295     enable_gdbtk=no ;;
1296 esac
1297
1298 copy_dirs=
1299
1300 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
1301 # the named directory are copied to $(tooldir)/sys-include.
1302 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1303   if test x${is_cross_compiler} = xno ; then
1304     echo 1>&2 '***' --with-headers is only supported when cross compiling
1305     exit 1
1306   fi
1307   if test x"${with_headers}" != xyes ; then
1308     case "${exec_prefixoption}" in
1309     "") x=${prefix} ;;
1310     *) x=${exec_prefix} ;;
1311     esac
1312     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1313   fi
1314 fi
1315
1316 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
1317 # the name directories are copied to $(tooldir)/lib.  Multiple directories
1318 # are permitted.
1319 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1320   if test x${is_cross_compiler} = xno ; then
1321     echo 1>&2 '***' --with-libs is only supported when cross compiling
1322     exit 1
1323   fi
1324   if test x"${with_libs}" != xyes ; then
1325     # Copy the libraries in reverse order, so that files in the first named
1326     # library override files in subsequent libraries.
1327     case "${exec_prefixoption}" in
1328     "") x=${prefix} ;;
1329     *) x=${exec_prefix} ;;
1330     esac
1331     for l in ${with_libs}; do
1332       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1333     done
1334   fi
1335 fi
1336
1337 # Handle ${copy_dirs}
1338 set fnord ${copy_dirs}
1339 shift
1340 while test $# != 0 ; do
1341   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1342     :
1343   else
1344     echo Copying $1 to $2
1345
1346     # Use the install script to create the directory and all required
1347     # parent directories.
1348     if test -d $2 ; then
1349       :
1350     else
1351       echo >config.temp
1352       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1353     fi
1354
1355     # Copy the directory, assuming we have tar.
1356     # FIXME: Should we use B in the second tar?  Not all systems support it.
1357     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1358
1359     # It is the responsibility of the user to correctly adjust all
1360     # symlinks.  If somebody can figure out how to handle them correctly
1361     # here, feel free to add the code.
1362
1363     echo $1 > $2/COPIED
1364   fi
1365   shift; shift
1366 done
1367
1368 extra_arflags_for_target=
1369 extra_nmflags_for_target=
1370 extra_ranlibflags_for_target=
1371 target_makefile_frag=/dev/null
1372 case "${target}" in
1373   i[[3456789]]86-*-netware*)
1374     target_makefile_frag="config/mt-netware"
1375     ;;
1376   powerpc-*-netware*)
1377     target_makefile_frag="config/mt-netware"
1378     ;;
1379   *-*-linux*)
1380     target_makefile_frag="config/mt-linux"
1381     ;;
1382   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1383     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1384     # commands to handle both 32-bit and 64-bit objects.  These flags are
1385     # harmless if we're using GNU nm or ar.
1386     extra_arflags_for_target=" -X32_64"
1387     extra_nmflags_for_target=" -B -X32_64"
1388     ;;
1389   *-*-darwin*)
1390     # ranlib from Darwin requires the -c flag to look at common symbols.
1391     extra_ranlibflags_for_target=" -c"
1392     ;;
1393   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1394     target_makefile_frag="config/mt-wince"
1395     ;;
1396 esac
1397
1398 alphaieee_frag=/dev/null
1399 case $target in
1400   alpha*-*-*)
1401     # This just makes sure to use the -mieee option to build target libs.
1402     # This should probably be set individually by each library.
1403     alphaieee_frag="config/mt-alphaieee"
1404     ;;
1405 esac
1406
1407 # If --enable-target-optspace always use -Os instead of -O2 to build
1408 # the target libraries, similarly if it is not specified, use -Os
1409 # on selected platforms.
1410 ospace_frag=/dev/null
1411 case "${enable_target_optspace}:${target}" in
1412   yes:*)
1413     ospace_frag="config/mt-ospace"
1414     ;;
1415   :d30v-*)
1416     ospace_frag="config/mt-d30v"
1417     ;;
1418   :m32r-* | :d10v-* | :fr30-*)
1419     ospace_frag="config/mt-ospace"
1420     ;;
1421   no:* | :*)
1422     ;;
1423   *)
1424     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1425     ;;
1426 esac
1427
1428 # Set with_gnu_as and with_gnu_ld as appropriate.
1429 #
1430 # This is done by determining whether or not the appropriate directory
1431 # is available, and by checking whether or not specific configurations
1432 # have requested that this magic not happen.
1433 #
1434 # The command line options always override the explicit settings in
1435 # configure.in, and the settings in configure.in override this magic.
1436 #
1437 # If the default for a toolchain is to use GNU as and ld, and you don't
1438 # want to do that, then you should use the --without-gnu-as and
1439 # --without-gnu-ld options for the configure script.
1440
1441 if test x${use_gnu_as} = x &&
1442    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1443   with_gnu_as=yes
1444   extra_host_args="$extra_host_args --with-gnu-as"
1445 fi
1446
1447 if test x${use_gnu_ld} = x &&
1448    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1449   with_gnu_ld=yes
1450   extra_host_args="$extra_host_args --with-gnu-ld"
1451 fi
1452
1453 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1454 # can detect this case.
1455
1456 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1457   with_newlib=yes
1458   extra_host_args="$extra_host_args --with-newlib"
1459 fi
1460
1461
1462 # Default to using --with-stabs for certain targets.
1463 if test x${with_stabs} = x ; then
1464   case "${target}" in
1465   mips*-*-irix[[56]]*)
1466     ;;
1467   mips*-*-* | alpha*-*-osf*)
1468     with_stabs=yes;
1469     extra_host_args="${extra_host_args} --with-stabs"
1470     ;;
1471   esac
1472 fi
1473
1474 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1475 # them automatically.
1476 case "${host}" in
1477   hppa*64*-*-hpux11*)
1478     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1479     ;;
1480 esac
1481
1482 # Some systems (e.g., one of the i386-aix systems the gas testers are
1483 # using) don't handle "\$" correctly, so don't use it here.
1484 tooldir='${exec_prefix}'/${target_alias}
1485 build_tooldir=${tooldir}
1486
1487 # Generate a default definition for YACC.  This is used if the makefile can't
1488 # locate bison or byacc in objdir.
1489
1490 for prog in 'bison -y' byacc yacc
1491 do
1492   set dummy $prog; tmp=$2
1493   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1494   for dir in $PATH; do
1495     test -z "$dir" && dir=.
1496     if test -f $dir/$tmp; then
1497       DEFAULT_YACC="$prog"
1498       break
1499     fi
1500   done
1501   IFS="$save_ifs"
1502
1503   test -n "$DEFAULT_YACC" && break
1504 done
1505
1506 # Generate a default definition for M4.  This is used if the makefile can't
1507 # locate m4 in objdir.
1508
1509 for prog in gm4 gnum4 m4
1510 do
1511   set dummy $prog; tmp=$2
1512   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1513   for dir in $PATH; do
1514     test -z "$dir" && dir=.
1515     if test -f $dir/$tmp; then
1516       DEFAULT_M4="$prog"
1517       break
1518     fi
1519   done
1520   IFS="$save_ifs"
1521
1522   test -n "$DEFAULT_M4" && break
1523 done
1524
1525 # Generate a default definition for LEX.  This is used if the makefile can't
1526 # locate flex in objdir.
1527
1528 for prog in flex lex
1529 do
1530   set dummy $prog; tmp=$2
1531   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1532   for dir in $PATH; do
1533     test -z "$dir" && dir=.
1534     if test -f $dir/$tmp; then
1535       DEFAULT_LEX="$prog"
1536       break
1537     fi
1538   done
1539   IFS="$save_ifs"
1540
1541   test -n "$DEFAULT_LEX" && break
1542 done
1543
1544 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1545 # Set up the list of links to be made.
1546 # ${links} is the list of link names, and ${files} is the list of names to link to.
1547
1548 # Make the links.
1549 configlinks="${links}"
1550 if test -r ./config.status  ; then
1551   mv -f ./config.status ./config.back
1552 fi
1553 while test -n "${files}" ; do
1554   # set file to car of files, files to cdr of files
1555   set ${files}; file=$1; shift; files=$*
1556   set ${links}; link=$1; shift; links=$*
1557
1558   if test ! -r ${srcdir}/${file} ; then
1559     if test ! -r ${file} ; then
1560       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1561       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1562       exit 1
1563     else
1564       srcfile=${file}
1565     fi
1566   else
1567     srcfile=${srcdir}/${file}
1568   fi
1569
1570   ${remove} -f ${link}
1571   # Make a symlink if possible, otherwise try a hard link
1572   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1573     true
1574   else
1575     # We need to re-remove the file because Lynx leaves a
1576     # very strange directory there when it fails an NFS symlink.
1577     ${remove} -r -f ${link}
1578     ${hard_link} ${srcfile} ${link}
1579   fi
1580   if test ! -r ${link} ; then
1581     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1582     exit 1
1583   fi
1584
1585   echo "Linked \"${link}\" to \"${srcfile}\"."
1586 done
1587
1588 # Create a .gdbinit file which runs the one in srcdir
1589 # and tells GDB to look there for source files.
1590
1591 if test -r ${srcdir}/.gdbinit ; then
1592   case ${srcdir} in
1593     .) ;;
1594     *) cat > ./.gdbinit <<EOF
1595 # ${NO_EDIT}
1596 dir ${srcdir}
1597 dir .
1598 source ${srcdir}/.gdbinit
1599 EOF
1600     ;;
1601   esac
1602 fi
1603
1604 # Make sure that the compiler is able to generate an executable.  If it
1605 # can't, we are probably in trouble.  We don't care whether we can run the
1606 # executable--we might be using a cross compiler--we only care whether it
1607 # can be created.  At this point the main configure script has set CC.
1608 we_are_ok=no
1609 echo "int main () { return 0; }" > conftest.c
1610 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1611 if test $? = 0 ; then
1612   if test -s conftest || test -s conftest.exe ; then
1613     we_are_ok=yes
1614   fi
1615 fi
1616 case $we_are_ok in
1617   no)
1618     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1619     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1620     rm -f conftest*
1621     exit 1
1622     ;;
1623 esac
1624 rm -f conftest*
1625
1626 # The Solaris /usr/ucb/cc compiler does not appear to work.
1627 case "${host}" in
1628   sparc-sun-solaris2*)
1629       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1630       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1631           could_use=
1632           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1633           if test -d /opt/cygnus/bin ; then
1634               if test "$could_use" = "" ; then
1635                   could_use="/opt/cygnus/bin"
1636               else
1637                   could_use="$could_use or /opt/cygnus/bin"
1638               fi
1639           fi
1640         if test "$could_use" = "" ; then
1641             echo "Warning: compilation may fail because you're using"
1642             echo "/usr/ucb/cc.  You should change your PATH or CC "
1643             echo "variable and rerun configure."
1644         else
1645             echo "Warning: compilation may fail because you're using"
1646             echo "/usr/ucb/cc, when you should use the C compiler from"
1647             echo "$could_use.  You should change your"
1648             echo "PATH or CC variable and rerun configure."
1649         fi
1650       fi
1651   ;;
1652 esac
1653
1654 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1655 # binutils tools will find libbfd.so.
1656 case "${enable_shared}" in
1657   no | "") SET_LIB_PATH= ;;
1658   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1659 esac
1660
1661 case "${host}" in
1662   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1663   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1664 esac
1665
1666 # Record target_configdirs and the configure arguments for target and
1667 # build configuration in Makefile.
1668 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1669
1670 # This is the final value for target_configdirs.  configdirs already
1671 # has its final value, as does build_modules.  It's time to create some
1672 # lists of valid targets.
1673
1674 all_build_modules=
1675 configure_build_modules=
1676 for module in ${build_modules} ; do
1677   all_build_modules=all-build-${module}
1678   configure_build_modules=configure-build-${module}
1679 done
1680
1681 # Determine whether gdb needs tk/tcl or not.
1682 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1683 # and in that case we want gdb to be built without tk.  Ugh!
1684 # In fact I believe gdb is the *only* package directly dependent on tk,
1685 # so we should be able to put the 'maybe's in unconditionally and
1686 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1687 # 100% sure that that's safe though.
1688
1689 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1690 case "$enable_gdbtk" in
1691   no)
1692     GDB_TK="" ;;
1693   yes)
1694     GDB_TK="${gdb_tk}" ;;
1695   *)
1696     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1697     # distro.  Eventually someone will fix this and move Insight, nee
1698     # gdbtk to a separate directory.
1699     if test -d ${srcdir}/gdb/gdbtk ; then
1700       GDB_TK="${gdb_tk}"
1701     else
1702       GDB_TK=""
1703     fi
1704     ;;
1705 esac
1706
1707 # Create the 'maybe dependencies'.  This uses a temporary file.
1708
1709 # While at that, we remove Makefiles if we were started for recursive
1710 # configuration, so that the top-level Makefile reconfigures them,
1711 # like we used to do when configure itself was recursive.
1712 rm -f maybedep.tmp
1713 echo '# maybedep.tmp' > maybedep.tmp
1714
1715 # Make-targets which may need maybe dependencies.
1716 mts="configure all install check clean distclean dvi info install-info"
1717 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1718
1719 # Loop over modules and make-targets.
1720 for module in ${build_modules} ; do
1721   if test -z "${no_recursion}" \
1722      && test -f ${build_subdir}/${module}/Makefile; then
1723     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1724     rm -f ${build_subdir}/${module}/Makefile
1725   fi
1726   for mt in ${mts} ; do
1727     case ${mt} in
1728       install) ;; # No installing build modules.
1729       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1730     esac
1731   done
1732 done
1733 for module in ${configdirs} ; do
1734   if test -z "${no_recursion}" \
1735      && test -f ${module}/Makefile; then
1736     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1737     rm -f ${module}/Makefile
1738   fi
1739   for mt in ${mts} ; do
1740     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1741   done
1742 done
1743 for module in ${target_configdirs} ; do
1744   if test -z "${no_recursion}" \
1745      && test -f ${target_subdir}/${module}/Makefile; then
1746     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1747     rm -f ${target_subdir}/${module}/Makefile
1748   fi
1749   for mt in ${mts} ; do
1750     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1751   done
1752 done
1753 maybe_dependencies=maybedep.tmp
1754 AC_SUBST_FILE(maybe_dependencies)
1755
1756 # Create the serialization dependencies.  This uses a temporary file.
1757
1758 AC_ARG_ENABLE([serial-configure],
1759 [  --enable-serial-[{host,target,build}-]configure
1760                           Force sequential configuration of
1761                           sub-packages for the host, target or build
1762                           machine, or all sub-packages])
1763
1764 case ${enable_serial_configure} in
1765   yes)
1766     enable_serial_build_configure=yes
1767     enable_serial_host_configure=yes
1768     enable_serial_target_configure=yes
1769     ;;
1770 esac
1771
1772 # These force 'configure's to be done one at a time, to avoid problems
1773 # with contention over a shared config.cache.
1774 rm -f serdep.tmp
1775 echo '# serdep.tmp' > serdep.tmp
1776 olditem=
1777 test "x${enable_serial_build_configure}" = xyes &&
1778 for item in ${build_configdirs} ; do
1779   case ${olditem} in
1780     "") ;;
1781     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1782   esac
1783   olditem=${item}
1784 done
1785 olditem=
1786 test "x${enable_serial_host_configure}" = xyes &&
1787 for item in ${configdirs} ; do
1788   case ${olditem} in
1789     "") ;;
1790     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1791   esac
1792   olditem=${item}
1793 done
1794 olditem=
1795 test "x${enable_serial_target_configure}" = xyes &&
1796 for item in ${target_configdirs} ; do
1797   case ${olditem} in
1798     "") ;;
1799     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1800   esac
1801   olditem=${item}
1802 done
1803 serialization_dependencies=serdep.tmp
1804 AC_SUBST_FILE(serialization_dependencies)
1805
1806 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1807 # target and nonopt.  These are the ones we might not want to pass
1808 # down to subconfigures.  Also strip program-prefix, program-suffix,
1809 # and program-transform-name, so that we can pass down a consistent
1810 # program-transform-name.  If autoconf has put single quotes around
1811 # any of these arguments (because they contain shell metacharacters)
1812 # then this will fail; in practice this only happens for
1813 # --program-transform-name, so be sure to override --program-transform-name
1814 # at the end of the argument list.
1815 # These will be expanded by make, so quote '$'.
1816 cat <<\EOF_SED > conftestsed
1817 s/ --no[[^ ]]* / /
1818 s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
1819 s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
1820 s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
1821 s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
1822 s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
1823 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]* / /
1824 s/ -cache-file[[= ]][[^ ]]* / /
1825 s/ -srcdir[[= ]][[^ ]]* / /
1826 s/ -host[[= ]][[^ ]]* / /
1827 s/ -build[[= ]][[^ ]]* / /
1828 s/ -target[[= ]][[^ ]]* / /
1829 s/ -program-prefix[[= ]][[^ ]]* / /
1830 s/ -program-suffix[[= ]][[^ ]]* / /
1831 s/ -program-transform-name[[= ]][[^ ]]* / /
1832 s/ [[^' -][^ ]*] / /
1833 s/^ *//;s/ *$//
1834 s,\$,$$,g
1835 EOF_SED
1836 sed -f conftestsed <<EOF_SED > conftestsed.out
1837  ${ac_configure_args}
1838 EOF_SED
1839 baseargs=`cat conftestsed.out`
1840 rm -f conftestsed conftestsed.out
1841
1842 # Add in --program-transform-name, after --program-prefix and
1843 # --program-suffix have been applied to it.  Autoconf has already
1844 # doubled dollar signs and backslashes in program_transform_name; we want
1845 # the backslashes un-doubled, and then the entire thing wrapped in single
1846 # quotes, because this will be expanded first by make and then by the shell.
1847 # Also, because we want to override the logic in subdir configure scripts to
1848 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1849 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1850 ${program_transform_name}
1851 EOF_SED
1852 gcc_transform_name=`cat conftestsed.out`
1853 rm -f conftestsed.out
1854 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1855
1856 # For the build-side libraries, we just need to pretend we're native,
1857 # and not use the same cache file.  Multilibs are neither needed nor
1858 # desired.
1859 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1860
1861 # For host modules, accept cache file option, or specification as blank.
1862 case "${cache_file}" in
1863 "") # empty
1864   cache_file_option="" ;;
1865 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1866   cache_file_option="--cache-file=${cache_file}" ;;
1867 *) # relative path
1868   cache_file_option="--cache-file=../${cache_file}" ;;
1869 esac
1870
1871 # Host dirs don't like to share a cache file either, horribly enough.
1872 # This seems to be due to autoconf 2.5x stupidity.
1873 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1874
1875 target_configargs=${baseargs}
1876
1877 # Passing a --with-cross-host argument lets the target libraries know
1878 # whether they are being built with a cross-compiler or being built
1879 # native.  However, it would be better to use other mechanisms to make the
1880 # sorts of decisions they want to make on this basis.  Please consider
1881 # this option to be deprecated.  FIXME.
1882 if test x${is_cross_compiler} = xyes ; then
1883   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1884 fi
1885
1886 # Default to --enable-multilib.
1887 if test x${enable_multilib} = x ; then
1888   target_configargs="--enable-multilib ${target_configargs}"
1889 fi
1890
1891 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1892 # changed from the earlier setting of with_newlib.
1893 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1894   target_configargs="--with-newlib ${target_configargs}"
1895 fi
1896
1897 # Different target subdirs use different values of certain variables
1898 # (notably CXX).  Worse, multilibs use *lots* of different values.
1899 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1900 # it doesn't automatically accept command-line overrides of them.
1901 # This means it's not safe for target subdirs to share a cache file,
1902 # which is disgusting, but there you have it.  Hopefully this can be
1903 # fixed in future.  It's still worthwhile to use a cache file for each
1904 # directory.  I think.
1905
1906 # Pass the appropriate --host, --build, and --cache-file arguments.
1907 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1908
1909 # provide a proper gxx_include_dir.
1910 # Note, if you change the default, make sure to fix both here and in
1911 # the gcc and libstdc++-v3 subdirectories.
1912 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1913 case "${with_gxx_include_dir}" in
1914   yes)
1915     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1916     ;;
1917   no | "")
1918     case "${enable_version_specific_runtime_libs}" in
1919       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1920       *)
1921         . ${srcdir}/config.if
1922         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1923     esac ;;
1924   *) gxx_include_dir=${with_gxx_include_dir} ;;
1925 esac
1926
1927 FLAGS_FOR_TARGET=
1928 case " $target_configdirs " in
1929  *" newlib "*)
1930   case " $target_configargs " in
1931   *" --with-newlib "*)
1932    case "$target" in
1933    *-cygwin*)
1934      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 $$s/winsup/w32api/include' ;;
1935    esac
1936
1937    # If we're not building GCC, don't discard standard headers.
1938    if test -d ${srcdir}/gcc; then
1939      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1940
1941      if test "${build}" != "${host}"; then
1942        # On Canadian crosses, CC_FOR_TARGET will have already been set
1943        # by `configure', so we won't have an opportunity to add -Bgcc/
1944        # to it.  This is right: we don't want to search that directory
1945        # for binaries, but we want the header files in there, so add
1946        # them explicitly.
1947        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1948
1949        # Someone might think of using the pre-installed headers on
1950        # Canadian crosses, in case the installed compiler is not fully
1951        # compatible with the compiler being built.  In this case, it
1952        # would be better to flag an error than risking having
1953        # incompatible object files being constructed.  We can't
1954        # guarantee that an error will be flagged, but let's hope the
1955        # compiler will do it, when presented with incompatible header
1956        # files.
1957      fi
1958    fi
1959
1960    case "${target}-${is_cross_compiler}" in
1961    i[[3456789]]86-*-linux*-no)
1962       # Here host == target, so we don't need to build gcc,
1963       # so we don't want to discard standard headers.
1964       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1965       ;;
1966    *)
1967       # If we're building newlib, use its generic headers last, but search
1968       # for any libc-related directories first (so make it the last -B
1969       # switch).
1970       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1971       ;;
1972    esac
1973    ;;
1974   esac
1975   ;;
1976 esac
1977
1978 # Allow the user to override the flags for
1979 # our build compiler if desired.
1980 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1981
1982 # On Canadian crosses, we'll be searching the right directories for
1983 # the previously-installed cross compiler, so don't bother to add
1984 # flags for directories within the install tree of the compiler
1985 # being built; programs in there won't even run.
1986 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1987   # Search for pre-installed headers if nothing else fits.
1988   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1989 fi
1990
1991 if test "x${use_gnu_ld}" = x &&
1992    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1993   # Arrange for us to find uninstalled linker scripts.
1994   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1995 fi
1996
1997 if test "x${CC_FOR_TARGET+set}" = xset; then
1998   :
1999 elif test -d ${srcdir}/gcc; then
2000   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
2001 elif test "$host" = "$target"; then
2002   CC_FOR_TARGET='$(CC)'
2003 else
2004   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
2005 fi
2006 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2007
2008 if test "x${GCJ_FOR_TARGET+set}" = xset; then
2009   :
2010 elif test -d ${srcdir}/gcc; then
2011   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
2012 elif test "$host" = "$target"; then
2013   GCJ_FOR_TARGET='gcj'
2014 else
2015   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
2016 fi
2017 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2018
2019 # Don't use libstdc++-v3's flags to configure/build itself.
2020 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'
2021 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
2022
2023 if test "x${CXX_FOR_TARGET+set}" = xset; then
2024   if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
2025     RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2026   fi
2027 elif test -d ${srcdir}/gcc; then
2028   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
2029   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
2030   # default whereas gcc does not.
2031   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
2032   # all other cases.
2033   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2034   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2035 elif test "$host" = "$target"; then
2036   CXX_FOR_TARGET='$(CXX)'
2037   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2038 else
2039   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2040   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2041 fi
2042 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2043 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2044
2045 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2046 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2047
2048 # We want to defer the evaluation of `cmd`s and shell variables in
2049 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2050 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2051 # quotes, but we still have to duplicate `$'s so that shell variables
2052 # can be expanded by the nested make as shell variables, not as make
2053 # macros.
2054 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2055 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2056
2057 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2058 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2059 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2060 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2061 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2062 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2063 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2064
2065 # Makefile fragments.
2066 host_makefile_frag=${srcdir}/${host_makefile_frag}
2067 target_makefile_frag=${srcdir}/${target_makefile_frag}
2068 alphaieee_frag=${srcdir}/${alphaieee_frag}
2069 ospace_frag=${srcdir}/${ospace_frag}
2070 AC_SUBST_FILE(host_makefile_frag)
2071 AC_SUBST_FILE(target_makefile_frag)
2072 AC_SUBST_FILE(alphaieee_frag)
2073 AC_SUBST_FILE(ospace_frag)
2074
2075 # Miscellanea: directories, flags, etc.
2076 AC_SUBST(SET_LIB_PATH)
2077 AC_SUBST(RPATH_ENVVAR)
2078 AC_SUBST(BUILD_PREFIX)
2079 AC_SUBST(BUILD_PREFIX_1)
2080 AC_SUBST(configlinks)
2081 AC_SUBST(gcc_version_trigger)
2082 AC_SUBST(gcc_version)
2083 AC_SUBST(tooldir)
2084 AC_SUBST(build_tooldir)
2085 AC_SUBST(GDB_TK)
2086 AC_SUBST(gxx_include_dir)
2087 AC_SUBST(libstdcxx_incdir)
2088
2089 # Build module lists & subconfigure args.
2090 AC_SUBST(build_configargs)
2091 AC_SUBST(configure_build_modules)
2092 AC_SUBST(all_build_modules)
2093
2094 # Host module lists & subconfigure args.
2095 AC_SUBST(host_configargs)
2096 AC_SUBST(configdirs)
2097
2098 # Target module lists & subconfigure args.
2099 AC_SUBST(target_configargs)
2100 AC_SUBST(target_configdirs)
2101
2102 # Build tools.
2103 AC_SUBST(BISON)
2104 AC_SUBST(CC_FOR_BUILD)
2105 AC_SUBST(LEX)
2106 AC_SUBST(MAKEINFO)
2107 AC_SUBST(YACC)
2108 AC_SUBST(config_shell)
2109
2110 # Host tools.
2111 NCN_STRICT_CHECK_TOOL(AR, ar)
2112 NCN_STRICT_CHECK_TOOL(AS, as)
2113 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2114 NCN_STRICT_CHECK_TOOL(LD, ld)
2115 NCN_STRICT_CHECK_TOOL(NM, nm)
2116 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2117 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2118 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2119 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2120 AC_SUBST(CC)
2121 AC_SUBST(CXX)
2122 AC_SUBST(CFLAGS)
2123 AC_SUBST(CFLAGS_FOR_BUILD)
2124 AC_SUBST(CXXFLAGS)
2125 AC_SUBST(DEFAULT_YACC)
2126 AC_SUBST(DEFAULT_LEX)
2127 AC_SUBST(DEFAULT_M4)
2128
2129 # Target tools.
2130 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2131 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2132 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2133 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2134 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2135 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2136 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2137
2138 AC_SUBST(GCC_FOR_TARGET)
2139 AC_SUBST(FLAGS_FOR_TARGET)
2140 AC_SUBST(CC_FOR_TARGET)
2141 AC_SUBST(GCJ_FOR_TARGET)
2142 AC_SUBST(CXX_FOR_TARGET)
2143 AC_SUBST(RAW_CXX_FOR_TARGET)
2144 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2145 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2146
2147 # Fix up target tools.
2148 if test "x${build}" = "x${host}" ; then
2149   # In this case, the newly built tools can and should be used,
2150   # so we override the results of the autoconf tests.
2151   # This should really only happen when the tools are actually being built,
2152   # but that's a further refinement.  The new build scheme, where
2153   # tools are built into a structure paralleling where they're installed,
2154   # should also eliminate all of this cleanly.
2155   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2156   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2157   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2158   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2159   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2160   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2161   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2162 fi
2163 # Certain tools may need extra flags.
2164 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2165 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2166 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2167
2168 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2169 AC_ARG_ENABLE(maintainer-mode,
2170 [  --enable-maintainer-mode enable make rules and dependencies not useful
2171                           (and sometimes confusing) to the casual installer],
2172       USE_MAINTAINER_MODE=$enableval,
2173       USE_MAINTAINER_MODE=no)
2174 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2175 AC_SUBST(MAINTAINER_MODE_TRUE)
2176 AC_SUBST(MAINTAINER_MODE_FALSE)
2177 if test "$USE_MAINTAINER_MODE" = yes; then
2178   MAINTAINER_MODE_TRUE=
2179   MAINTAINER_MODE_FALSE='#'
2180 else
2181   MAINTAINER_MODE_TRUE='#'
2182   MAINTAINER_MODE_FALSE=
2183 fi
2184 MAINT=$MAINTAINER_MODE_TRUE
2185 AC_SUBST(MAINT)dnl
2186
2187 AC_OUTPUT(Makefile)