+# Recognize --with-newlib/--without-newlib.
+case ${with_newlib} in
+ no) skipdirs="${skipdirs} target-newlib" ;;
+ yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
+esac
+
+# Configure extra directories which are host specific
+
+case "${host}" in
+ *-cygwin*)
+ configdirs="$configdirs libtermcap" ;;
+esac
+
+# Remove more programs from consideration, based on the host or
+# target this usually means that a port of the program doesn't
+# exist yet.
+
+case "${host}" in
+ hppa*64*-*-*)
+ noconfigdirs="$noconfigdirs byacc"
+ ;;
+ i[3456789]86-*-vsta)
+ noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
+ ;;
+ i[3456789]86-*-go32* | i[3456789]86-*-msdosdjgpp*)
+ noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
+ ;;
+ i[3456789]86-*-mingw32*)
+ # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
+ noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
+ ;;
+ i[3456789]86-*-beos*)
+ noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
+ ;;
+ *-*-cygwin*)
+ noconfigdirs="autoconf automake send-pr rcs guile perl"
+ ;;
+ *-*-netbsd*)
+ noconfigdirs="rcs"
+ ;;
+ ppc*-*-pe)
+ noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
+ ;;
+ powerpc-*-beos*)
+ noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
+ ;;
+ *-*-darwin*)
+ noconfigdirs="$noconfigdirs tk itcl tix libgui"
+ ;;
+esac
+
+# Save it here so that, even in case of --enable-libgcj, if the Java
+# front-end isn't enabled, we still get libgcj disabled.
+libgcj_saved=$libgcj
+case $enable_libgcj in
+yes)
+ # If we reset it here, it won't get added to noconfigdirs in the
+ # target-specific build rules, so it will be forcibly enabled
+ # (unless the Java language itself isn't enabled).
+ libgcj=
+ ;;
+no)
+ # Make sure we get it printed in the list of not supported target libs.
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+esac
+
+case "${target}" in
+ *-*-chorusos)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ powerpc-*-darwin*)
+ noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+ noconfigdirs="$noconfigdirs target-libobjc"
+ ;;
+ *-*-darwin*)
+ noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
+ noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
+ ;;
+ *-*-freebsd[12] | *-*-freebsd[12].* | *-*-freebsd*aout*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ *-*-kaos*)
+ # Remove unsupported stuff on all kaOS configurations.
+ skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
+ skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
+ skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
+ noconfigdirs="$noconfigdirs target-libgloss"
+ ;;
+ *-*-netbsd*)
+ # Skip some stuff on all NetBSD configurations.
+ noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
+
+ # Skip some stuff that's unsupported on some NetBSD configurations.
+ case "${target}" in
+ i*86-*-netbsdelf*) ;;
+ arm*-*-netbsdelf*) ;;
+ *)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ esac
+ ;;
+ *-*-netware)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
+ ;;
+ *-*-rtems*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ case ${target} in
+ h8300*-*-* | h8500-*-*)
+ noconfigdirs="$noconfigdirs target-libf2c"
+ ;;
+ *) ;;
+ esac
+ ;;
+ *-*-vxworks*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ alpha*-dec-osf*)
+ # ld works, but does not support shared libraries.
+ # newlib is not 64 bit ready. I'm not sure about fileutils.
+ # gas doesn't generate exception information.
+ noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
+ ;;
+ alpha*-*-*vms*)
+ noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
+ ;;
+ alpha*-*-linux*)
+ # newlib is not 64 bit ready
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ alpha*-*-*)
+ # newlib is not 64 bit ready
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ am33_2.0-*-linux*)
+ noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+ ;;
+ sh-*-linux*)
+ noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+ ;;
+ sh*-*-pe|mips*-*-pe|*arm-wince-pe)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ noconfigdirs="$noconfigdirs target-examples"
+ noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
+ noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
+ noconfigdirs="$noconfigdirs expect dejagnu"
+ # the C++ libraries don't build on top of CE's C libraries
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ noconfigdirs="$noconfigdirs target-newlib"
+ case "${host}" in
+ *-*-cygwin*) ;; # keep gdb and readline
+ *) noconfigdirs="$noconfigdirs gdb readline"
+ ;;
+ esac
+ ;;
+ arc-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ arm-*-coff | strongarm-*-coff | xscale-*-coff)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
+ noconfigdirs="$noconfigdirs target-libffi target-qthreads"
+ ;;
+ arm-*-pe*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ arm-*-oabi*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ thumb-*-coff)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ thumb-*-elf)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ thumb-*-oabi)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ thumb-*-pe)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ arm-*-riscix*)
+ noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
+ ;;
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
+ ;;
+ c4x-*-* | tic4x-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
+ ;;
+ c54x*-*-* | tic54x-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
+ ;;
+ cris-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+ ;;
+ d10v-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
+ ;;
+ d30v-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
+ ;;
+ fr30-*-elf*)
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
+ ;;
+ frv-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ h8300*-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
+ ;;
+ h8500-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
+ ;;
+ hppa*64*-*-linux* | parisc*64*-*-linux*)
+ # In this case, it's because the hppa64-linux target is for
+ # the kernel only at this point and has no libc, and thus no
+ # headers, crt*.o, etc., all of which are needed by these.
+ noconfigdirs="$noconfigdirs target-zlib"
+ ;;
+ hppa*-*-*elf* | \
+ parisc*-*-linux* | hppa*-*-linux* | \
+ hppa*-*-lites* | \
+ hppa*-*-openbsd* | \
+ hppa*64*-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ # Do configure ld/binutils/gas for this case.
+ ;;
+ hppa*-*-*)
+ # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
+ # build on HP-UX 10.20.
+ noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
+ ;;
+ i960-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj} gdb"
+ ;;
+ ia64*-*-elf*)
+ # No gdb support yet.
+ noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
+ ;;
+ ia64*-**-hpux*)
+ # No gdb or ld support yet.
+ noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
+ ;;
+ i[3456789]86-*-coff | i[3456789]86-*-elf)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ i[3456789]86-*-freebsd* | i[3456789]86-*-kfreebsd*-gnu)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ i[3456789]86-*-linux*)
+ # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
+ # not build java stuff by default.
+ case "${target}" in
+ *-*-*libc1*)
+ noconfigdirs="$noconfigdirs ${libgcj}";;
+ esac
+
+ # This section makes it possible to build newlib natively on linux.
+ # If we are using a cross compiler then don't configure newlib.
+ if test x${is_cross_compiler} != xno ; then
+ noconfigdirs="$noconfigdirs target-newlib"
+ fi
+ noconfigdirs="$noconfigdirs target-libgloss"
+ # If we are not using a cross compiler, do configure newlib.
+ # Note however, that newlib will only be configured in this situation
+ # if the --with-newlib option has been given, because otherwise
+ # 'target-newlib' will appear in skipdirs.
+ ;;
+ i[3456789]86-*-mingw32*)
+ target_configdirs="$target_configdirs target-mingw"
+ noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
+
+ # Can't build gdb for mingw32 if not native.
+ case "${host}" in
+ i[3456789]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
+ *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
+ ;;
+ esac
+ ;;
+ *-*-cygwin*)
+ target_configdirs="$target_configdirs target-libtermcap target-winsup"
+ noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
+ # always build newlib.
+ skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
+
+ # Can't build gdb for Cygwin if not native.
+ case "${host}" in
+ *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
+ *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
+ ;;
+ esac
+ ;;
+ i[3456789]86-*-pe)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
+ ;;
+ i[3456789]86-*-sco3.2v5*)
+ # The linker does not yet know about weak symbols in COFF,
+ # and is not configured to handle mixed ELF and COFF.
+ noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
+ ;;
+ i[3456789]86-*-sco*)
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ ;;
+ i[3456789]86-*-solaris2*)
+ noconfigdirs="$noconfigdirs target-libgloss"
+ ;;
+ i[3456789]86-*-sysv4*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ i[3456789]86-*-beos*)
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
+ ;;
+ m32r-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
+ ;;
+ m68k-*-elf*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ m68k-*-coff*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ mcore-*-pe*)
+ # The EPOC C++ environment does not support exceptions or rtti,
+ # and so building libstdc++-v3 tends not to always work.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ mmix-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
+ ;;
+ mn10200-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ mn10300-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ powerpc-*-aix*)
+ # copied from rs6000-*-* entry
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ ;;
+ powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
+ target_configdirs="$target_configdirs target-winsup"
+ noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
+ # always build newlib.
+ skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
+ ;;
+ # This is temporary until we can link against shared libraries
+ powerpcle-*-solaris*)
+ noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
+ ;;
+ powerpc-*-beos*)
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
+ ;;
+ powerpc-*-eabi)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ rs6000-*-lynxos*)
+ noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
+ ;;
+ rs6000-*-aix*)
+ noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ ;;
+ rs6000-*-*)
+ noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ ;;
+ m68k-apollo-*)
+ noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
+ ;;
+ mips*-*-irix5*)
+ # The GNU linker does not support shared libraries.
+ noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
+ ;;
+ mips*-*-irix6*)
+ # Linking libjava exceeds command-line length limits on at least
+ # IRIX 6.2, but not on IRIX 6.5.
+ # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
+ # <oldham@codesourcery.com>
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ ;;
+ mips*-dec-bsd*)
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ ;;
+ mips*-*-bsd*)
+ noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ ;;
+ mipstx39-*-*)
+ noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
+ ;;
+ mips*-*-linux*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ mips*-*-*)
+ noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ ;;
+ romp-*-*)
+ noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
+ ;;
+ sh-*-*)
+ case "${host}" in
+ i[3456789]86-*-vsta) ;; # don't add gprof back in
+ i[3456789]86-*-go32*) ;; # don't add gprof back in
+ i[3456789]86-*-msdosdjgpp*) ;; # don't add gprof back in
+ *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
+ esac
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ sh64-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ sparc-*-elf*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ sparc64-*-elf*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ sparclite-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ sparc-*-sunos4*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ if test x${is_cross_compiler} != xno ; then
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
+ else
+ use_gnu_ld=no
+ fi
+ ;;
+ sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
+ ;;
+ v810-*-*)
+ noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
+ ;;
+ v850-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ v850e-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ v850ea-*-*)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ ;;
+ vax-*-vms)
+ noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
+ ;;
+ vax-*-*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ xtensa-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ ip2k-*-*)
+ noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
+ ;;
+ *-*-linux*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-lynxos*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
+ ;;
+ *-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+esac
+
+# If we aren't building newlib, then don't build libgloss, since libgloss
+# depends upon some newlib header files.
+case "${noconfigdirs}" in
+ *target-libgloss*) ;;
+ *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
+esac
+
+# Figure out what language subdirectories are present.
+# Look if the user specified --enable-languages="..."; if not, use
+# the environment variable $LANGUAGES if defined. $LANGUAGES might
+# go away some day.
+# NB: embedded tabs in this IF block -- do not untabify
+if test x"${enable_languages+set}" != xset; then
+ if test x"${LANGUAGES+set}" = xset; then
+ enable_languages="${LANGUAGES}"
+ echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+ else
+ enable_languages=all
+ fi
+else
+ if test x"${enable_languages}" = x ||
+ test x"${enable_languages}" = xyes;
+ then
+ echo configure.in: --enable-languages needs at least one language argument 1>&2
+ exit 1
+ fi
+fi
+enable_languages=`echo "${enable_languages}" | sed -e 's/[ ,][ ,]*/,/g' -e 's/,$//'`
+
+# First scan to see if an enabled language requires some other language.
+# We assume that a given config-lang.in will list all the language
+# front ends it requires, even if some are required indirectly.
+for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
+ case ${lang_frag} in
+ ..) ;;
+ # The odd quoting in the next line works around
+ # an apparent bug in bash 1.12 on linux.
+ ${srcdir}/gcc/[*]/config-lang.in) ;;
+ *)
+ # From the config-lang.in, get $language, $lang_requires
+ language=
+ lang_requires=
+ . ${lang_frag}
+ for other in ${lang_requires} ; do
+ case ,${enable_languages}, in
+ *,$other,*) ;;
+ *,all,*) ;;
+ *,$language,*)
+ echo " \`$other' language required by \`$language'; enabling" 1>&2
+ enable_languages="${enable_languages},${other}"
+ ;;
+ esac
+ done
+ ;;
+ esac
+done
+
+for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
+ case ${lang_frag} in
+ ..) ;;
+ # The odd quoting in the next line works around
+ # an apparent bug in bash 1.12 on linux.
+ ${srcdir}/gcc/[*]/config-lang.in) ;;
+ *)
+ # From the config-lang.in, get $language, $target_libs,
+ # $lang_dirs, and $build_by_default
+ language=
+ target_libs=
+ lang_dirs=
+ build_by_default=
+ . ${lang_frag}
+ if test "x$language" = x ; then
+ echo "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ fi
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Language was explicitly selected; include it.
+ add_this_lang=yes
+ ;;
+ *,all,*)
+ # 'all' was selected; include 'default' languages.
+ case ${build_by_default} in
+ no) add_this_lang=no ;;
+ *) add_this_lang=yes ;;
+ esac
+ ;;
+ *) add_this_lang=no ;;
+ esac
+ case ${add_this_lang} in
+ no)
+ # Remove language-dependent dirs.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ ;;
+ esac
+ ;;
+ esac
+done
+
+# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
+# $target_configdirs.
+# If we have the source for $noconfigdirs entries, add them to $notsupp.
+
+notsupp=""
+for dir in . $skipdirs $noconfigdirs ; do
+ dirname=`echo $dir | sed -e s/target-//g`
+ if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+ if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+done
+
+# Sometimes the tools are distributed with libiberty but with no other
+# libraries. In that case, we don't want to build target-libiberty.
+if test -n "${target_configdirs}" ; then
+ others=
+ for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
+ if test "$i" != "libiberty" ; then
+ if test -r $srcdir/$i/configure ; then
+ others=yes;
+ break;
+ fi
+ fi
+ done
+ if test -z "${others}" ; then
+ target_configdirs=
+ fi
+fi
+
+# Quietly strip out all directories which aren't configurable in this tree.
+# This relies on all configurable subdirectories being autoconfiscated, which
+# is now the case.
+configdirs_all="$configdirs"
+configdirs=
+for i in ${configdirs_all} ; do
+ if test -f ${srcdir}/$i/configure ; then
+ configdirs="${configdirs} $i"
+ fi
+done
+target_configdirs_all="$target_configdirs"
+target_configdirs=
+for i in ${target_configdirs_all} ; do
+ j=`echo $i | sed -e s/target-//g`
+ if test -f ${srcdir}/$j/configure ; then
+ target_configdirs="${target_configdirs} $i"
+ fi
+done
+
+# Produce a warning message for the subdirs we can't configure.
+# This isn't especially interesting in the Cygnus tree, but in the individual
+# FSF releases, it's important to let people know when their machine isn't
+# supported by the one or two programs in a package.
+
+if test -n "${notsupp}" && test -z "${norecursion}" ; then
+ # If $appdirs is non-empty, at least one of those directories must still
+ # be configured, or we error out. (E.g., if the gas release supports a
+ # specified target in some subdirs but not the gas subdir, we shouldn't
+ # pretend that all is well.)
+ if test -n "$appdirs" ; then
+ for dir in $appdirs ; do
+ if test -r $dir/Makefile.in ; then
+ if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ appdirs=""
+ break
+ fi
+ if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ appdirs=""
+ break
+ fi
+ fi
+ done
+ if test -n "$appdirs" ; then
+ echo "*** This configuration is not supported by this package." 1>&2
+ exit 1
+ fi
+ fi
+ # Okay, some application will build, or we don't care to check. Still
+ # notify of subdirs not getting built.
+ echo "*** This configuration is not supported in the following subdirectories:" 1>&2
+ echo " ${notsupp}" 1>&2
+ echo " (Any other directories should still work fine.)" 1>&2
+fi
+
+case "$host" in
+ *msdosdjgpp*)
+ enable_gdbtk=no ;;
+esac
+
+copy_dirs=
+
+# Handle --with-headers=XXX. If the value is not "yes", the contents of
+# the named directory are copied to $(tooldir)/sys-include.
+if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
+ if test x${is_cross_compiler} = xno ; then
+ echo 1>&2 '***' --with-headers is only supported when cross compiling
+ exit 1
+ fi
+ if test x"${with_headers}" != xyes ; then
+ case "${exec_prefixoption}" in
+ "") x=${prefix} ;;
+ *) x=${exec_prefix} ;;
+ esac
+ copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
+ fi
+fi
+
+# Handle --with-libs=XXX. If the value is not "yes", the contents of
+# the name directories are copied to $(tooldir)/lib. Multiple directories
+# are permitted.
+if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
+ if test x${is_cross_compiler} = xno ; then
+ echo 1>&2 '***' --with-libs is only supported when cross compiling
+ exit 1
+ fi
+ if test x"${with_libs}" != xyes ; then
+ # Copy the libraries in reverse order, so that files in the first named
+ # library override files in subsequent libraries.
+ case "${exec_prefixoption}" in
+ "") x=${prefix} ;;
+ *) x=${exec_prefix} ;;
+ esac
+ for l in ${with_libs}; do
+ copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
+ done
+ fi
+fi
+
+# Handle ${copy_dirs}
+set fnord ${copy_dirs}
+shift
+while test $# != 0 ; do
+ if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
+ :
+ else
+ echo Copying $1 to $2
+
+ # Use the install script to create the directory and all required
+ # parent directories.
+ if test -d $2 ; then
+ :
+ else
+ echo >config.temp
+ ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
+ fi
+
+ # Copy the directory, assuming we have tar.
+ # FIXME: Should we use B in the second tar? Not all systems support it.
+ (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
+
+ # It is the responsibility of the user to correctly adjust all
+ # symlinks. If somebody can figure out how to handle them correctly
+ # here, feel free to add the code.
+
+ echo $1 > $2/COPIED
+ fi
+ shift; shift
+done
+
+# Work in distributions that contain no compiler tools, like Autoconf.
+tentative_cc=""
+host_makefile_frag=/dev/null
+if test -d ${srcdir}/config ; then
+case "${host}" in
+ m68k-hp-hpux*)
+ # Avoid "too much defining" errors from HPUX compiler.
+ tentative_cc="cc -Wp,-H256000"
+ # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
+ # If it's HP/UX ar, this should be harmless.
+ RANLIB="ar ts"
+ ;;
+ m68k-apollo-sysv*)
+ tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
+ ;;
+ m68k-apollo-bsd*)
+ #None of the Apollo compilers can compile gas or binutils. The preprocessor
+ # chokes on bfd, the compiler won't let you assign integers to enums, and
+ # other problems. Defining CC to gcc is a questionable way to say "don't use
+ # the apollo compiler" (the preferred version of GCC could be called cc,
+ # or whatever), but I'm not sure leaving CC as cc is any better...
+ #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
+ # Used to have BISON=yacc.
+ tentative_cc=gcc
+ ;;
+ m88k-dg-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ ;;
+ m88k-harris-cxux*)
+ # Under CX/UX, we want to tell the compiler to use ANSI mode.
+ tentative_cc="cc -Xa"
+ host_makefile_frag="config/mh-cxux"
+ ;;
+ m88k-motorola-sysv*)
+ ;;
+ mips*-dec-ultrix*)
+ tentative_cc="cc -Wf,-XNg1000"
+ host_makefile_frag="config/mh-decstation"
+ ;;
+ mips*-nec-sysv4*)
+ # The C compiler on NEC MIPS SVR4 needs bigger tables.
+ tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
+ host_makefile_frag="config/mh-necv4"
+ ;;
+ mips*-sgi-irix4*)
+ # Tell compiler to use K&R C. We can't compile under the SGI Ansi
+ # environment. Also bump switch table size so that cp-parse will
+ # compile. Bump string length limit so linker builds.
+ tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
+ ;;
+ mips*-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ mips*-*-sysv*)
+ # This is for a MIPS running RISC/os 4.52C.
+
+ # This is needed for GDB, but needs to be in the top-level make because
+ # if a library is compiled with the bsd headers and gets linked with the
+ # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
+ # a different size).
+ # ptrace(2) apparently has problems in the BSD environment. No workaround is
+ # known except to select the sysv environment. Could we use /proc instead?
+ # These "sysv environments" and "bsd environments" often end up being a pain.
+ #
+ # This is not part of CFLAGS because perhaps not all C compilers have this
+ # option.
+ tentative_cc="cc -systype sysv"
+ ;;
+ i370-ibm-opened*)
+ tentative_cc="c89"
+ ;;
+ i[3456789]86-*-sysv5*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[3456789]86-*-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ host_makefile_frag="config/mh-dgux386"
+ ;;
+ i[3456789]86-ncr-sysv4.3*)
+ # The MetaWare compiler will generate a copyright message unless you
+ # turn it off by adding the -Hnocopyr flag.
+ tentative_cc="cc -Hnocopyr"
+ ;;
+ i[3456789]86-ncr-sysv4*)
+ # for an NCR 3000 (i486/SVR4) system.
+ # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
+ # This compiler not only emits obnoxious copyright messages every time
+ # you run it, but it chokes and dies on a whole bunch of GNU source
+ # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
+ tentative_cc="/usr/ccs/ATT/cc"
+ host_makefile_frag="config/mh-ncr3000"
+ ;;
+ i[3456789]86-*-sco3.2v5*)
+ ;;
+ i[3456789]86-*-sco*)
+ # The native C compiler botches some simple uses of const. Unfortunately,
+ # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
+ tentative_cc="cc -Dconst="
+ host_makefile_frag="config/mh-sco"
+ ;;
+ i[3456789]86-*-udk*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[3456789]86-*-solaris2*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ i[3456789]86-*-msdosdjgpp*)
+ host_makefile_frag="config/mh-djgpp"
+ ;;
+ *-cygwin*)
+ host_makefile_frag="config/mh-cygwin"
+ ;;
+ *-mingw32*)
+ host_makefile_frag="config/mh-mingw32"
+ ;;
+ *-interix*)
+ host_makefile_frag="config/mh-interix"
+ ;;
+ vax-*-ultrix2*)
+ # The old BSD pcc isn't up to compiling parts of gdb so use gcc
+ tentative_cc=gcc
+ ;;
+ *-*-solaris2*)
+ host_makefile_frag="config/mh-solaris"
+ ;;
+ m68k-sun-sunos*)
+ # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
+ # without overflowing the jump tables (-J says to use a 32 bit table)
+ tentative_cc="cc -J"
+ ;;
+ *-hp-hpux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ *-*-hiux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ rs6000-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/usr/cygnus/progressive/bin/gcc"
+ host_makefile_frag="config/mh-lynxrs6k"
+ ;;
+ *-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/bin/gcc"
+ ;;
+ *-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+esac
+fi
+
+extra_arflags_for_target=
+extra_nmflags_for_target=
+extra_ranlibflags_for_target=
+target_makefile_frag=/dev/null
+case "${target}" in
+ i[3456789]86-*-netware*)
+ target_makefile_frag="config/mt-netware"
+ ;;
+ powerpc-*-netware*)
+ target_makefile_frag="config/mt-netware"
+ ;;
+ *-*-linux*)
+ target_makefile_frag="config/mt-linux"
+ ;;
+ *-*-aix4.[3456789]* | *-*-aix[56789].*)
+ # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
+ # commands to handle both 32-bit and 64-bit objects. These flags are
+ # harmless if we're using GNU nm or ar.
+ extra_arflags_for_target=" -X32_64"
+ extra_nmflags_for_target=" -B -X32_64"
+ ;;
+ *-*-darwin*)
+ # ranlib from Darwin requires the -c flag to look at common symbols.
+ extra_ranlibflags_for_target=" -c"
+ ;;
+ mips*-*-pe | sh*-*-pe | *arm-wince-pe)
+ target_makefile_frag="config/mt-wince"
+ ;;
+esac
+
+alphaieee_frag=/dev/null
+case $target in
+ alpha*-*-*)
+ # This just makes sure to use the -mieee option to build target libs.
+ # This should probably be set individually by each library.
+ alphaieee_frag="config/mt-alphaieee"
+ ;;
+esac
+
+# If --enable-target-optspace always use -Os instead of -O2 to build
+# the target libraries, similarly if it is not specified, use -Os
+# on selected platforms.
+ospace_frag=/dev/null
+case "${enable_target_optspace}:${target}" in
+ yes:*)
+ ospace_frag="config/mt-ospace"
+ ;;
+ :d30v-*)
+ ospace_frag="config/mt-d30v"
+ ;;
+ :m32r-* | :d10v-* | :fr30-*)
+ ospace_frag="config/mt-ospace"
+ ;;
+ no:* | :*)
+ ;;
+ *)
+ echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
+ ;;
+esac
+
+# Set with_gnu_as and with_gnu_ld as appropriate.
+#
+# This is done by determining whether or not the appropriate directory
+# is available, and by checking whether or not specific configurations
+# have requested that this magic not happen.
+#
+# The command line options always override the explicit settings in
+# configure.in, and the settings in configure.in override this magic.
+#
+# If the default for a toolchain is to use GNU as and ld, and you don't
+# want to do that, then you should use the --without-gnu-as and
+# --without-gnu-ld options for the configure script.
+
+if test x${use_gnu_as} = x &&
+ echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
+ with_gnu_as=yes
+ extra_host_args="$extra_host_args --with-gnu-as"
+fi
+
+if test x${use_gnu_ld} = x &&
+ echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
+ with_gnu_ld=yes
+ extra_host_args="$extra_host_args --with-gnu-ld"
+fi
+
+# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
+# can detect this case.
+
+if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
+ with_newlib=yes
+ extra_host_args="$extra_host_args --with-newlib"
+fi
+
+
+# Default to using --with-stabs for certain targets.
+if test x${with_stabs} = x ; then
+ case "${target}" in
+ mips*-*-irix6*)
+ ;;
+ mips*-*-* | alpha*-*-osf*)
+ with_stabs=yes;
+ extra_host_args="${extra_host_args} --with-stabs"
+ ;;
+ esac
+fi
+
+# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
+# them automatically.
+case "${host}" in
+ hppa*64*-*-hpux11*)
+ extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
+ ;;
+esac
+
+# If we aren't going to be using gcc, see if we can extract a definition
+# of CC from the fragment.
+# Actually, use the 'pre-extracted' version above.
+if test -z "${CC}" && test "${build}" = "${host}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ found=
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ found=yes
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -z "${found}" && test -n "${tentative_cc}" ; then
+ CC=$tentative_cc
+ fi
+fi
+
+# Some systems (e.g., one of the i386-aix systems the gas testers are
+# using) don't handle "\$" correctly, so don't use it here.
+tooldir='${exec_prefix}'/${target_alias}
+build_tooldir=${tooldir}
+
+# Generate a default definition for YACC. This is used if the makefile can't
+# locate bison or byacc in objdir.
+
+for prog in 'bison -y' byacc yacc
+do
+ set dummy $prog; tmp=$2
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/$tmp; then
+ DEFAULT_YACC="$prog"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+
+ test -n "$DEFAULT_YACC" && break
+done
+
+# Generate a default definition for M4. This is used if the makefile can't
+# locate m4 in objdir.
+
+for prog in gm4 gnum4 m4
+do
+ set dummy $prog; tmp=$2
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/$tmp; then
+ DEFAULT_M4="$prog"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+
+ test -n "$DEFAULT_M4" && break
+done
+
+# Generate a default definition for LEX. This is used if the makefile can't
+# locate flex in objdir.
+
+for prog in flex lex
+do
+ set dummy $prog; tmp=$2
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/$tmp; then
+ DEFAULT_LEX="$prog"
+ break
+ fi
+ done
+ IFS="$save_ifs"
+
+ test -n "$DEFAULT_LEX" && break
+done
+
+if test "${build}" != "${host}" ; then
+ # If we are doing a Canadian Cross, in which the host and build systems
+ # are not the same, we set reasonable default values for the tools.
+
+ BISON=${BISON-bison}
+ CC=${CC-${host_alias}-gcc}
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXX=${CXX-${host_alias}-c++}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
+ CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
+ CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
+ GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
+ GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
+ BUILD_PREFIX=${build_alias}-
+ BUILD_PREFIX_1=${build_alias}-
+ MAKEINFO=${MAKEINFO-makeinfo}
+
+ if test -z "${YACC}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/bison; then
+ YACC="bison -y"
+ break
+ fi
+ if test -f $dir/byacc; then
+ YACC=byacc
+ break
+ fi
+ if test -f $dir/yacc; then
+ YACC=yacc
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ if test -z "${YACC}" ; then
+ YACC="bison -y"
+ fi
+ fi
+
+ if test -z "${LEX}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/flex; then
+ LEX=flex
+ break
+ fi
+ if test -f $dir/lex; then
+ LEX=lex
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ LEX=${LEX-flex}
+ fi
+
+else
+ # Set reasonable default values for some tools even if not Canadian.
+ # Of course, these are different reasonable default values, originally
+ # specified directly in the Makefile.
+ # We don't export, so that autoconf can do its job.
+ # Note that all these settings are above the fragment inclusion point
+ # in Makefile.in, so can still be overridden by fragments.
+ # This is all going to change when we autoconfiscate...
+
+ BISON="\$(USUAL_BISON)"
+ CC_FOR_BUILD="\$(CC)"
+ GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
+ BUILD_PREFIX=
+ BUILD_PREFIX_1=loser-
+ MAKEINFO="\$(USUAL_MAKEINFO)"
+ LEX="\$(USUAL_LEX)"
+ YACC="\$(USUAL_YACC)"
+
+ # If CC is still not set, try to get gcc.
+ cc_prog_is_gcc=
+ if test -z "${CC}" ; then
+ IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
+ for dir in $PATH; do
+ test -z "$dir" && dir=.
+ if test -f $dir/gcc; then
+ CC="gcc"
+ cc_prog_is_gcc=yes
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CXXFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ break
+ fi
+ done
+ IFS="$save_ifs"
+ CC=${CC-cc}
+ else
+ # Determine if we are using gcc.
+ cat > conftest.c <<EOF
+#ifdef __GNUC__
+ yes;
+#endif
+EOF
+ if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
+ cc_prog_is_gcc=yes
+ fi
+ rm -f conftest.c
+ if test -z "${CFLAGS}"; then
+ # Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
+ # is set to a version of gcc.
+ if test "$cc_prog_is_gcc" = yes; then
+ echo 'void f(){}' > conftest.c
+ if test -z "`${CC} -g -c conftest.c 2>&1`"; then
+ CFLAGS=${CFLAGS-"-g -O2"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+ else
+ CFLAGS=${CFLAGS-"-O2"}
+ CXXFLAGS=${CXXFLAGS-"-O2"}
+ fi
+ rm -f conftest*
+ fi
+ fi
+ fi
+
+ # We must set the default linker to the linker used by gcc for the correct
+ # operation of libtool. If LD is not defined and we are using gcc, try to
+ # set the LD default to the ld used by gcc.
+ if test -z "$LD"; then
+ if test "$cc_prog_is_gcc" = yes; then
+ case $build in
+ *-*-mingw*)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
+ *)
+ gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
+ esac
+ case $gcc_prog_ld in
+ # Accept absolute paths.
+ [\\/]* | [A-Za-z]:[\\/]*)
+ LD="$gcc_prog_ld" ;;
+ esac
+ fi
+ fi
+
+ CXX=${CXX-"c++"}
+ CFLAGS=${CFLAGS-"-g"}
+ CXXFLAGS=${CXXFLAGS-"-g -O2"}
+fi
+
+# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
+# Set up the list of links to be made.
+# ${links} is the list of link names, and ${files} is the list of names to link to.
+
+# Make the links.
+configlinks="${links}"
+if test -r ./config.status ; then
+ mv -f ./config.status ./config.back
+fi
+while test -n "${files}" ; do
+ # set file to car of files, files to cdr of files
+ set ${files}; file=$1; shift; files=$*
+ set ${links}; link=$1; shift; links=$*
+
+ if test ! -r ${srcdir}/${file} ; then
+ if test ! -r ${file} ; then
+ echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
+ echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
+ exit 1
+ else
+ srcfile=${file}
+ fi
+ else
+ srcfile=${srcdir}/${file}
+ fi
+
+ ${remove} -f ${link}
+ # Make a symlink if possible, otherwise try a hard link
+ if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
+ true
+ else
+ # We need to re-remove the file because Lynx leaves a
+ # very strange directory there when it fails an NFS symlink.
+ ${remove} -r -f ${link}
+ ${hard_link} ${srcfile} ${link}
+ fi
+ if test ! -r ${link} ; then
+ echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
+ exit 1
+ fi
+
+ echo "Linked \"${link}\" to \"${srcfile}\"."
+done
+
+# Create a .gdbinit file which runs the one in srcdir
+# and tells GDB to look there for source files.
+
+if test -r ${srcdir}/.gdbinit ; then
+ case ${srcdir} in
+ .) ;;
+ *) cat > ./.gdbinit <<EOF
+# ${NO_EDIT}
+dir ${srcdir}
+dir .
+source ${srcdir}/.gdbinit
+EOF
+ ;;
+ esac
+fi
+
+# Make sure that the compiler is able to generate an executable. If it
+# can't, we are probably in trouble. We don't care whether we can run the
+# executable--we might be using a cross compiler--we only care whether it
+# can be created. At this point the main configure script has set CC.
+we_are_ok=no
+echo "int main () { return 0; }" > conftest.c
+${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
+if test $? = 0 ; then
+ if test -s conftest || test -s conftest.exe ; then
+ we_are_ok=yes
+ fi
+fi
+case $we_are_ok in
+ no)
+ echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
+ echo 1>&2 "*** You must set the environment variable CC to a working compiler."
+ rm -f conftest*
+ exit 1
+ ;;
+esac
+rm -f conftest*
+
+# The Solaris /usr/ucb/cc compiler does not appear to work.
+case "${host}" in
+ sparc-sun-solaris2*)
+ CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
+ if test "`type $CCBASE | sed 's/^[^/]*//'`" = "/usr/ucb/cc" ; then
+ could_use=
+ test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
+ if test -d /opt/cygnus/bin ; then
+ if test "$could_use" = "" ; then
+ could_use="/opt/cygnus/bin"
+ else
+ could_use="$could_use or /opt/cygnus/bin"
+ fi
+ fi
+ if test "$could_use" = "" ; then
+ echo "Warning: compilation may fail because you're using"
+ echo "/usr/ucb/cc. You should change your PATH or CC "
+ echo "variable and rerun configure."
+ else
+ echo "Warning: compilation may fail because you're using"
+ echo "/usr/ucb/cc, when you should use the C compiler from"
+ echo "$could_use. You should change your"
+ echo "PATH or CC variable and rerun configure."