+ done
+
+ new_enable_languages=,c,
+ missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ potential_languages=,c,
+
+ 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, $boot_language, and $build_by_default
+ language=
+ target_libs=
+ lang_dirs=
+ subdir_requires=
+ boot_language=no
+ build_by_default=yes
+ . ${lang_frag}
+ if test x${language} = x; then
+ echo "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ fi
+
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Language was explicitly selected; include it.
+ add_this_lang=yes
+ ;;
+ *,all,*)
+ # 'all' was selected, select it if it is a default language
+ add_this_lang=${build_by_default}
+ ;;
+ *)
+ add_this_lang=no
+ ;;
+ esac
+
+ # Disable languages that need other directories if these aren't available.
+ for i in $subdir_requires; do
+ test -f "$srcdir/gcc/$i/config-lang.in" && continue
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Specifically requested language; tell them.
+ { { echo "$as_me:$LINENO: error: The gcc/$i directory contains parts of $language but is missing" >&5
+echo "$as_me: error: The gcc/$i directory contains parts of $language but is missing" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ *)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+ done
+
+ # Disable Ada if no preexisting GNAT is available.
+ case ,${enable_languages},:${language}:${have_gnat} in
+ *,${language},*:ada:no)
+ # Specifically requested language; tell them.
+ { { echo "$as_me:$LINENO: error: GNAT is required to build $language" >&5
+echo "$as_me: error: GNAT is required to build $language" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ *:ada:no)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+
+ # Disable a language that is unsupported by the target.
+ case " $unsupported_languages " in
+ *" $language "*)
+ add_this_lang=unsupported
+ ;;
+ esac
+
+ case $add_this_lang in
+ unsupported)
+ # Remove language-dependent dirs.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ ;;
+ no)
+ # Remove language-dependent dirs; still show language as supported.
+ eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ potential_languages="${potential_languages}${language},"
+ ;;
+ yes)
+ new_enable_languages="${new_enable_languages}${language},"
+ potential_languages="${potential_languages}${language},"
+ missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
+ case ${boot_language} in
+ yes)
+ # Add to (comma-separated) list of stage 1 languages.
+ stage1_languages="${stage1_languages}${language},"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ done
+
+ # Check whether --enable-stage1-languages or --disable-stage1-languages was given.
+if test "${enable_stage1_languages+set}" = set; then
+ enableval="$enable_stage1_languages"
+ case ,${enable_stage1_languages}, in
+ ,no,|,,)
+ # Set it to something that will have no effect in the loop below
+ enable_stage1_languages=c ;;
+ ,yes,)
+ enable_stage1_languages=`echo $new_enable_languages | \
+ sed -e "s/^,//" -e "s/,$//" ` ;;
+ *,all,*)
+ enable_stage1_languages=`echo ,$enable_stage1_languages, | \
+ sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
+ esac
+
+ # Add "good" languages from enable_stage1_languages to stage1_languages,
+ # while "bad" languages go in missing_languages. Leave no duplicates.
+ for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
+ case $potential_languages in
+ *,$i,*)
+ case $stage1_languages in
+ *,$i,*) ;;
+ *) stage1_languages="$stage1_languages$i," ;;
+ esac ;;
+ *)
+ case $missing_languages in
+ *,$i,*) ;;
+ *) missing_languages="$missing_languages$i," ;;
+ esac ;;
+ esac
+ done
+fi;
+
+ # Remove leading/trailing commas that were added for simplicity
+ potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
+ missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
+ stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
+ new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
+
+ if test "x$missing_languages" != x; then
+ { { echo "$as_me:$LINENO: error:
+The following requested languages could not be built: ${missing_languages}
+Supported languages are: ${potential_languages}" >&5
+echo "$as_me: error:
+The following requested languages could not be built: ${missing_languages}
+Supported languages are: ${potential_languages}" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ if test "x$new_enable_languages" != "x$enable_languages"; then
+ echo The following languages will be built: ${new_enable_languages}
+ enable_languages="$new_enable_languages"
+ fi
+
+
+ ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[^ ]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
+fi
+
+# Handle --disable-<component> generically.
+for dir in $configdirs $build_configdirs $target_configdirs ; do
+ dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
+ if eval test x\${enable_${dirname}} "=" xno ; then
+ noconfigdirs="$noconfigdirs $dir"
+ fi
+done
+
+# Check for Boehm's garbage collector
+# Check whether --enable-objc-gc or --disable-objc-gc was given.
+if test "${enable_objc_gc+set}" = set; then
+ enableval="$enable_objc_gc"
+ case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
+ *,objc,*:*:yes:*target-boehm-gc*)
+ { { echo "$as_me:$LINENO: error: Boehm's garbage collector was requested yet not supported in this configuration" >&5
+echo "$as_me: error: Boehm's garbage collector was requested yet not supported in this configuration" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+esac
+fi;
+
+# Make sure we only build Boehm's garbage collector if required.
+case ,${enable_languages},:${enable_objc_gc} in
+ *,objc,*:yes)
+ # Keep target-boehm-gc if requested for Objective-C.
+ ;;
+ *)
+ # Otherwise remove target-boehm-gc depending on target-libjava.
+ if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
+ noconfigdirs="$noconfigdirs target-boehm-gc"
+ fi
+ ;;
+esac
+
+# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
+# $build_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 -e s/build-//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 " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ build_configdirs=`echo " ${build_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 $dir"
+ fi
+ fi
+ fi
+done
+
+# Sometimes the tools are distributed with libiberty but with no other
+# libraries. In that case, we don't want to build target-libiberty.
+# Don't let libgcc imply libiberty either.
+if test -n "${target_configdirs}" ; then
+ libgcc=
+ others=
+ for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
+ if test "$i" = "libgcc"; then
+ libgcc=target-libgcc
+ elif test "$i" != "libiberty" ; then
+ if test -r $srcdir/$i/configure ; then
+ others=yes;
+ break;
+ fi
+ fi
+ done
+ if test -z "${others}" ; then
+ target_configdirs=$libgcc
+ 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.
+build_configdirs_all="$build_configdirs"
+build_configdirs=
+for i in ${build_configdirs_all} ; do
+ j=`echo $i | sed -e s/build-//g`
+ if test -f ${srcdir}/$j/configure ; then
+ build_configdirs="${build_configdirs} $i"
+ fi
+done
+
+configdirs_all="$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 " ${target_configdirs} " | grep " target-${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
+
+# To find our prefix, in gcc_cv_tool_prefix.
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+
+
+if test "x$exec_prefix" = xNONE; then
+ if test "x$prefix" = xNONE; then
+ gcc_cv_tool_prefix=$ac_default_prefix
+ else
+ gcc_cv_tool_prefix=$prefix
+ fi
+else
+ gcc_cv_tool_prefix=$exec_prefix
+fi
+
+# If there is no compiler in the tree, use the PATH only. In any
+# case, if there is no compiler in the tree nobody should use
+# AS_FOR_TARGET and LD_FOR_TARGET.
+if test x$host = x$build && test -f $srcdir/gcc/BASE-VER; then
+ gcc_version=`cat $srcdir/gcc/BASE-VER`
+ gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/$target_noncanonical/bin$PATH_SEPARATOR"
+else
+ gcc_cv_tool_dirs=
+fi
+
+if test x$build = x$target && test -n "$md_exec_prefix"; then
+ gcc_cv_tool_dirs="$gcc_cv_tool_dirs$md_exec_prefix$PATH_SEPARATOR"
+fi
+
+
+
+copy_dirs=
+
+
+# Check whether --with-build-sysroot or --without-build-sysroot was given.
+if test "${with_build_sysroot+set}" = set; then
+ withval="$with_build_sysroot"
+ if test x"$withval" != x ; then
+ SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
+ fi
+else
+ SYSROOT_CFLAGS_FOR_TARGET=
+fi;
+
+
+
+# Check whether --with-debug-prefix-map or --without-debug-prefix-map was given.
+if test "${with_debug_prefix_map+set}" = set; then
+ withval="$with_debug_prefix_map"
+ if test x"$withval" != x; then
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET=
+ for debug_map in $withval; do
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
+ done
+ fi
+else
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET=
+fi;
+
+
+# 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"${with_headers}" != xyes ; then
+ x=${gcc_cv_tool_prefix}
+ copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/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"${with_libs}" != xyes ; then
+ # Copy the libraries in reverse order, so that files in the first named
+ # library override files in subsequent libraries.
+ x=${gcc_cv_tool_prefix}
+ for l in ${with_libs}; do
+ copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
+ done
+ fi
+fi
+
+# Set with_gnu_as and with_gnu_ld as appropriate.
+#
+# This is done by determining whether or not the appropriate directory
+# is available, and by checking whether or not specific configurations
+# have requested that this magic not happen.
+#
+# The command line options always override the explicit settings in
+# configure.in, and the settings in configure.in override this magic.
+#
+# If the default for a toolchain is to use GNU as and ld, and you don't
+# want to do that, then you should use the --without-gnu-as and
+# --without-gnu-ld options for the configure script.
+
+if test x${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
+
+# 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 > $2/COPIED
+ fi
+ shift; shift
+done
+
+# Determine a target-dependent exec_prefix that the installed
+# gcc will search in. Keep this list sorted by triplet, with
+# the *-*-osname triplets last.
+md_exec_prefix=
+case "${target}" in
+ alpha*-*-*vms*)
+ md_exec_prefix=/gnu/lib/gcc-lib
+ ;;
+ i[34567]86-pc-msdosdjgpp*)
+ md_exec_prefix=/dev/env/DJDIR/bin
+ ;;
+ i[34567]86-*-sco3.2v5*)
+ if test $with_gnu_as = yes; then
+ md_exec_prefix=/usr/gnu/bin
+ else
+ md_exec_prefix=/usr/ccs/bin/elf
+ fi
+ ;;
+
+ mn10300-*-* | \
+ powerpc-*-chorusos* | \
+ powerpc*-*-eabi* | \
+ powerpc*-*-sysv* | \
+ powerpc*-*-kaos* | \
+ s390x-ibm-tpf*)
+ md_exec_prefix=/usr/ccs/bin
+ ;;
+ sparc64-*-elf*)
+ ;;
+ v850*-*-*)
+ md_exec_prefix=/usr/ccs/bin
+ ;;
+ xtensa-*-elf*)
+ ;;
+
+ *-*-beos* | \
+ *-*-elf* | \
+ *-*-hpux* | \
+ *-*-netware* | \
+ *-*-nto-qnx* | \
+ *-*-rtems* | \
+ *-*-solaris2* | \
+ *-*-sysv[45]* | \
+ *-*-vxworks* | \
+ *-wrs-windiss)
+ md_exec_prefix=/usr/ccs/bin
+ ;;
+esac
+
+extra_arflags_for_target=
+extra_nmflags_for_target=
+extra_ranlibflags_for_target=
+target_makefile_frag=/dev/null
+case "${target}" in
+ mep*-*-*)
+ target_makefile_frag="config/mt-mep"
+ ;;
+ spu-*-*)
+ target_makefile_frag="config/mt-spu"
+ ;;
+ mips*-sde-elf*)
+ target_makefile_frag="config/mt-sde"
+ ;;
+ *-*-netware*)
+ target_makefile_frag="config/mt-netware"
+ ;;
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
+ target_makefile_frag="config/mt-gnu"
+ ;;
+ *-*-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
+
+# Default to using --with-stabs for certain targets.
+if test x${with_stabs} = x ; then
+ case "${target}" in
+ mips*-*-irix[56]*)
+ ;;
+ 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="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
+ ;;
+esac
+
+# Some systems (e.g., one of the i386-aix systems the gas testers are
+# using) don't handle "\$" correctly, so don't use it here.
+tooldir='${exec_prefix}'/${target_noncanonical}
+build_tooldir=${tooldir}
+
+# 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 "$could_use. You should change your"
+ echo "PATH or CC variable and rerun configure."
+ fi
+ fi
+ ;;
+esac
+
+case "${host}" in
+ *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
+ *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
+ *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
+esac
+
+# Record target_configdirs and the configure arguments for target and
+# build configuration in Makefile.
+target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
+build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
+
+# Determine whether gdb needs tk/tcl or not.
+# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
+# and in that case we want gdb to be built without tk. Ugh!
+# In fact I believe gdb is the *only* package directly dependent on tk,
+# so we should be able to put the 'maybe's in unconditionally and
+# leave out the maybe dependencies when enable_gdbtk is false. I'm not
+# 100% sure that that's safe though.
+
+gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
+case "$enable_gdbtk" in
+ no)
+ GDB_TK="" ;;
+ yes)
+ GDB_TK="${gdb_tk}" ;;
+ *)
+ # Only add the dependency on gdbtk when GDBtk is part of the gdb
+ # distro. Eventually someone will fix this and move Insight, nee
+ # gdbtk to a separate directory.
+ if test -d ${srcdir}/gdb/gdbtk ; then
+ GDB_TK="${gdb_tk}"
+ else
+ GDB_TK=""
+ fi
+ ;;
+esac
+CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
+INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
+
+# Strip out unwanted targets.
+
+# While at that, we remove Makefiles if we were started for recursive
+# configuration, so that the top-level Makefile reconfigures them,
+# like we used to do when configure itself was recursive.
+
+# Loop over modules. $extrasub must be used with care, limiting as
+# much as possible the usage of range addresses. That's because autoconf
+# splits the sed script to overcome limits in the number of commands,
+# and relying on carefully-timed sed passes may turn out to be very hard
+# to maintain later. In this particular case, you just have to be careful
+# not to nest @if/@endif pairs, because configure will not warn you at all.
+
+# Check whether --enable-bootstrap or --disable-bootstrap was given.
+if test "${enable_bootstrap+set}" = set; then
+ enableval="$enable_bootstrap"
+
+else
+ enable_bootstrap=default
+fi;
+
+# Issue errors and warnings for invalid/strange bootstrap combinations.
+case "$configdirs" in
+ *gcc*) have_compiler=yes ;;
+ *) have_compiler=no ;;
+esac
+
+case "$have_compiler:$host:$target:$enable_bootstrap" in
+ *:*:*:no) ;;
+
+ # Default behavior. Enable bootstrap if we have a compiler
+ # and we are in a native configuration.
+ yes:$build:$build:default)
+ enable_bootstrap=yes ;;
+
+ *:*:*:default)
+ enable_bootstrap=no ;;
+
+ # We have a compiler and we are in a native configuration, bootstrap is ok
+ yes:$build:$build:yes)
+ ;;
+
+ # Other configurations, but we have a compiler. Assume the user knows
+ # what he's doing.
+ yes:*:*:yes)
+ { echo "$as_me:$LINENO: WARNING: trying to bootstrap a cross compiler" >&5
+echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;}
+ ;;
+
+ # No compiler: if they passed --enable-bootstrap explicitly, fail
+ no:*:*:yes)
+ { { echo "$as_me:$LINENO: error: cannot bootstrap without a compiler" >&5
+echo "$as_me: error: cannot bootstrap without a compiler" >&2;}
+ { (exit 1); exit 1; }; } ;;
+
+ # Fail if wrong command line
+ *)
+ { { echo "$as_me:$LINENO: error: invalid option for --enable-bootstrap" >&5
+echo "$as_me: error: invalid option for --enable-bootstrap" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+esac
+
+# Adjust the toplevel makefile according to whether bootstrap was selected.
+case "$enable_bootstrap" in
+ yes)
+ bootstrap_suffix=bootstrap ;;
+ no)
+ bootstrap_suffix=no-bootstrap ;;
+esac
+
+for module in ${build_configdirs} ; do
+ if test -z "${no_recursion}" \
+ && test -f ${build_subdir}/${module}/Makefile; then
+ echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
+ rm -f ${build_subdir}/${module}/Makefile
+ fi
+ extrasub="$extrasub
+/^@if build-$module\$/d
+/^@endif build-$module\$/d
+/^@if build-$module-$bootstrap_suffix\$/d
+/^@endif build-$module-$bootstrap_suffix\$/d"
+done
+for module in ${configdirs} ; do
+ if test -z "${no_recursion}"; then
+ for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
+ if test -f ${file}; then
+ echo 1>&2 "*** removing ${file} to force reconfigure"
+ rm -f ${file}
+ fi
+ done
+ fi
+ extrasub="$extrasub
+/^@if $module\$/d
+/^@endif $module\$/d
+/^@if $module-$bootstrap_suffix\$/d
+/^@endif $module-$bootstrap_suffix\$/d"
+done
+for module in ${target_configdirs} ; do
+ if test -z "${no_recursion}" \
+ && test -f ${target_subdir}/${module}/Makefile; then
+ echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
+ rm -f ${target_subdir}/${module}/Makefile
+ fi
+ extrasub="$extrasub
+/^@if target-$module\$/d
+/^@endif target-$module\$/d
+/^@if target-$module-$bootstrap_suffix\$/d
+/^@endif target-$module-$bootstrap_suffix\$/d"
+done
+
+extrasub="$extrasub
+/^@if /,/^@endif /d"
+
+# Create the serialization dependencies. This uses a temporary file.
+
+# Check whether --enable-serial-configure or --disable-serial-configure was given.
+if test "${enable_serial_configure+set}" = set; then
+ enableval="$enable_serial_configure"
+
+fi;
+
+case ${enable_serial_configure} in
+ yes)
+ enable_serial_build_configure=yes
+ enable_serial_host_configure=yes
+ enable_serial_target_configure=yes
+ ;;
+esac
+
+# These force 'configure's to be done one at a time, to avoid problems
+# with contention over a shared config.cache.
+rm -f serdep.tmp
+echo '# serdep.tmp' > serdep.tmp
+olditem=
+test "x${enable_serial_build_configure}" = xyes &&
+for item in ${build_configdirs} ; do
+ case ${olditem} in
+ "") ;;
+ *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
+ esac
+ olditem=${item}
+done
+olditem=
+test "x${enable_serial_host_configure}" = xyes &&
+for item in ${configdirs} ; do
+ case ${olditem} in
+ "") ;;
+ *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
+ esac
+ olditem=${item}
+done
+olditem=
+test "x${enable_serial_target_configure}" = xyes &&
+for item in ${target_configdirs} ; do
+ case ${olditem} in
+ "") ;;
+ *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
+ esac
+ olditem=${item}
+done
+serialization_dependencies=serdep.tmp
+
+
+# Base args. Strip norecursion, cache-file, srcdir, host, build,
+# target, nonopt, and variable assignments. These are the ones we
+# might not want to pass down to subconfigures. Also strip
+# program-prefix, program-suffix, and program-transform-name, so that
+# we can pass down a consistent program-transform-name.
+baseargs=
+keep_next=no
+skip_next=no
+eval "set -- $ac_configure_args"
+for ac_arg
+do
+ if test X"$skip_next" = X"yes"; then
+ skip_next=no
+ continue
+ fi
+ if test X"$keep_next" = X"yes"; then
+ case $ac_arg in
+ *\'*)
+ ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ baseargs="$baseargs '$ac_arg'"
+ keep_next=no
+ continue
+ fi