+# Linker flags to use for stage1 or when not boostrapping.
+
+# Check whether --with-stage1-ldflags was given.
+if test "${with_stage1_ldflags+set}" = set; then :
+ withval=$with_stage1_ldflags; if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_ldflags=
+ else
+ stage1_ldflags=$withval
+ fi
+else
+ stage1_ldflags=
+fi
+
+
+
+# Libraries to use for stage1 or when not bootstrapping.
+
+# Check whether --with-stage1-libs was given.
+if test "${with_stage1_libs+set}" = set; then :
+ withval=$with_stage1_libs; if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_libs=
+ else
+ stage1_libs=$withval
+ fi
+else
+ stage1_libs=$with_host_libstdcxx
+fi
+
+
+
+# Libraries to use for stage2 and later builds. This defaults to the
+# argument passed to --with-host-libstdcxx.
+
+# Check whether --with-boot-libs was given.
+if test "${with_boot_libs+set}" = set; then :
+ withval=$with_boot_libs; if test "$withval" = "no" -o "$withval" = "yes"; then
+ poststage1_libs=
+ else
+ poststage1_libs=$withval
+ fi
+else
+ poststage1_libs=$with_host_libstdcxx
+fi
+
+
+
+# Linker flags to use for stage2 and later builds.
+
+# Check whether --with-boot-ldflags was given.
+if test "${with_boot_ldflags+set}" = set; then :
+ withval=$with_boot_ldflags; if test "$withval" = "no" -o "$withval" = "yes"; then
+ poststage1_ldflags=
+ else
+ poststage1_ldflags=$withval
+ fi
+else
+ poststage1_ldflags=
+ # In stages 2 and 3, default to linking libstdc++ and libgcc
+ # statically. But if the user explicitly specified the libraries to
+ # use, trust that they are doing what they want.
+ if test "$poststage1_libs" = ""; then
+ poststage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi
+fi
+
+
+
+# Check for PPL
+ppllibs=
+pplinc=
+pwllib=
+
+
+# Check whether --with-ppl was given.
+if test "${with_ppl+set}" = set; then :
+ withval=$with_ppl;
+fi
+
+
+# Check whether --with-ppl-include was given.
+if test "${with_ppl_include+set}" = set; then :
+ withval=$with_ppl_include;
+fi
+
+
+# Check whether --with-ppl-lib was given.
+if test "${with_ppl_lib+set}" = set; then :
+ withval=$with_ppl_lib;
+fi
+
+
+# Check whether --enable-ppl-version-check was given.
+if test "${enable_ppl_version_check+set}" = set; then :
+ enableval=$enable_ppl_version_check;
+fi
+
+
+case $with_ppl in
+ yes | no | "")
+ ;;
+ *)
+ ppllibs="-L$with_ppl/lib"
+ pplinc="-I$with_ppl/include $pplinc"
+ if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
+ with_ppl=yes
+ else
+ as_fn_error "cannot find directories \"$with_ppl/lib\" or \"$with_ppl/include\"" "$LINENO" 5
+ fi
+ ;;
+esac
+
+if test x"$with_ppl_include" != x; then
+ pplinc="-I$with_ppl_include $pplinc"
+ with_ppl=yes
+fi
+
+if test "x$with_ppl_lib" != x; then
+ ppllibs="-L$with_ppl_lib"
+ with_ppl=yes
+fi
+
+if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
+ if test x"$enable_watchdog" = xyes; then
+ pwllib="-lpwl"
+ fi
+ ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
+ pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
+ enable_ppl_version_check=no
+ with_ppl=yes
+fi
+
+if test "x$with_ppl" != xno; then
+ if test "x$pwllib" = x; then
+ saved_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $ppllibs"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PWL_handle_timeout in -lpwl" >&5
+$as_echo_n "checking for PWL_handle_timeout in -lpwl... " >&6; }
+if test "${ac_cv_lib_pwl_PWL_handle_timeout+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpwl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char PWL_handle_timeout ();
+int
+main ()
+{
+return PWL_handle_timeout ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_pwl_PWL_handle_timeout=yes
+else
+ ac_cv_lib_pwl_PWL_handle_timeout=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pwl_PWL_handle_timeout" >&5
+$as_echo "$ac_cv_lib_pwl_PWL_handle_timeout" >&6; }
+if test "x$ac_cv_lib_pwl_PWL_handle_timeout" = x""yes; then :
+ pwllib="-lpwl"
+fi
+
+ LDFLAGS="$saved_LDFLAGS"
+ fi
+
+ ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
+
+ if test "$enable_ppl_version_check" != no; then
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $pplinc $gmpinc"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (revision 0 or later) of PPL" >&5
+$as_echo_n "checking for version 0.11 (revision 0 or later) of PPL... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "ppl_c.h"
+int
+main ()
+{
+
+ #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
+ choke me
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }; ppllibs= ; pplinc= ; with_ppl=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$saved_CFLAGS"
+ fi
+fi
+
+# Flags needed for PPL
+
+
+
+
+# Check for CLOOG
+
+
+
+# Check whether --with-cloog was given.
+if test "${with_cloog+set}" = set; then :
+ withval=$with_cloog;
+fi
+
+
+# Check whether --with-cloog-include was given.
+if test "${with_cloog_include+set}" = set; then :
+ withval=$with_cloog_include;
+fi
+
+
+# Check whether --with-cloog-lib was given.
+if test "${with_cloog_lib+set}" = set; then :
+ withval=$with_cloog_lib;
+fi
+
+
+ # Check whether --enable-cloog-backend was given.
+if test "${enable_cloog_backend+set}" = set; then :
+ enableval=$enable_cloog_backend; if test "x${enableval}" = "xisl"; then
+ cloog_backend=isl
+ elif test "x${enableval}" = "xppl"; then
+ cloog_backend=ppl
+ else
+ cloog_backend=ppl-legacy
+ fi
+else
+ cloog_backend=ppl-legacy
+fi
+
+ # Check whether --enable-cloog-version-check was given.
+if test "${enable_cloog_version_check+set}" = set; then :
+ enableval=$enable_cloog_version_check; ENABLE_CLOOG_CHECK=$enableval
+else
+ ENABLE_CLOOG_CHECK=yes
+fi
+
+
+ # Initialize clooglibs and clooginc.
+ case $with_cloog in
+ no)
+ clooglibs=
+ clooginc=
+ ;;
+ "" | yes)
+ ;;
+ *)
+ clooglibs="-L$with_cloog/lib"
+ clooginc="-I$with_cloog/include"
+ ;;
+ esac
+ if test "x${with_cloog_include}" != x ; then
+ clooginc="-I$with_cloog_include"
+ fi
+ if test "x${with_cloog_lib}" != x; then
+ clooglibs="-L$with_cloog_lib"
+ fi
+
+
+
+
+
+if test "x$with_ppl" = "xno"; then
+
+
+
+ if test "x${with_cloog}" = xno; then
+ graphite_requested=no
+ elif test "x${with_cloog}" != x \
+ || test "x${with_cloog_include}" != x \
+ || test "x${with_cloog_lib}" != x ; then
+ graphite_requested=yes
+ else
+ graphite_requested=no
+ fi
+
+
+ if test "${graphite_requested}" = yes; then
+ as_fn_error "Unable to find a usable PPL. See config.log for details." "$LINENO" 5
+ fi
+ with_cloog=no
+fi
+if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
+ && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
+ clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
+ clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
+fi
+if test "x$with_cloog" != "xno"; then
+
+
+
+ _cloog_saved_CFLAGS=$CFLAGS
+ _cloog_saved_CPPFLAGS=$CPPFLAGS
+ _cloog_saved_LDFLAGS=$LDFLAGS
+ _cloog_saved_LIBS=$LIBS
+
+ _cloogorginc="-DCLOOG_INT_GMP -DCLOOG_ORG"
+
+ CFLAGS="${CFLAGS} ${clooginc} ${gmpinc}"
+ CPPFLAGS="${CPPFLAGS} ${_cloogorginc}"
+ LDFLAGS="${LDFLAGS} ${clooglibs}"
+
+ case $cloog_backend in
+ "ppl-legacy")
+ CFLAGS="${CFLAGS} ${pplinc}"
+ LDFLAGS="${LDFLAGS} ${ppllibs}"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG PPL Legacy" >&5
+$as_echo_n "checking for installed CLooG PPL Legacy... " >&6; }
+if test "${gcc_cv_cloog_type+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ LIBS="-lcloog ${_cloog_saved_LIBS}"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+#ifndef CLOOG_PPL_BACKEND
+ choke me
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gcc_cv_cloog_type="PPL Legacy"
+else
+ gcc_cv_cloog_type=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
+$as_echo "$gcc_cv_cloog_type" >&6; }
+ ;;
+ "isl")
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG ISL" >&5
+$as_echo_n "checking for installed CLooG ISL... " >&6; }
+if test "${gcc_cv_cloog_type+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ LIBS="-lcloog-isl ${_cloog_saved_LIBS}"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+cloog_version ()
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gcc_cv_cloog_type="ISL"
+else
+ gcc_cv_cloog_type=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
+$as_echo "$gcc_cv_cloog_type" >&6; }
+ ;;
+ "ppl")
+ CFLAGS="${CFLAGS} ${pplinc}"
+ LDFLAGS="${LDFLAGS} ${ppllibs}"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG PPL" >&5
+$as_echo_n "checking for installed CLooG PPL... " >&6; }
+if test "${gcc_cv_cloog_type+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ LIBS="-lcloog-ppl ${_cloog_saved_LIBS}"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+ #include "cloog/ppl/cloog.h"
+int
+main ()
+{
+cloog_version ()
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gcc_cv_cloog_type="PPL"
+else
+ gcc_cv_cloog_type=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
+$as_echo "$gcc_cv_cloog_type" >&6; }
+ ;;
+ *)
+ gcc_cv_cloog_type=""
+ esac
+
+ case $gcc_cv_cloog_type in
+ "PPL Legacy")
+ clooginc="${clooginc}"
+ clooglibs="${clooglibs} -lcloog"
+ cloog_org=no
+ ;;
+ "ISL")
+ clooginc="${clooginc} ${_cloogorginc}"
+ clooglibs="${clooglibs} -lcloog-isl -lisl"
+ cloog_org=yes
+ ;;
+ "PPL")
+ clooginc="${clooginc} ${_cloogorginc}"
+ clooglibs="${clooglibs} -lcloog-ppl"
+ cloog_org=yes
+ ;;
+ *)
+ clooglibs=
+ clooginc=
+ cloog_org=
+ ;;
+ esac
+
+ LIBS=$_cloog_saved_LIBS
+ CFLAGS=$_cloog_saved_CFLAGS
+ CPPFLAGS=$_cloog_saved_CPPFLAGS
+ LDFLAGS=$_cloog_saved_LDFLAGS
+
+
+
+
+
+ if test "${ENABLE_CLOOG_CHECK}" = yes ; then
+ _cloog_saved_CFLAGS=$CFLAGS
+ _cloog_saved_LDFLAGS=$LDFLAGS
+
+ CFLAGS="${_cloog_saved_CFLAGS} ${clooginc} ${pplinc} ${gmpinc}"
+ LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${ppllibs}"
+
+ if test "${cloog_org}" = yes ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.16.1 of CLooG" >&5
+$as_echo_n "checking for version 0.16.1 of CLooG... " >&6; }
+if test "${gcc_cv_cloog_ct_0_14_0+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+#if CLOOG_VERSION_MAJOR != 0 \
+ || CLOOG_VERSION_MINOR != 16 \
+ || CLOOG_VERSION_REVISION < 1
+ choke me
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ gcc_cv_cloog_ct_0_14_0=yes
+else
+ gcc_cv_cloog_ct_0_14_0=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_ct_0_14_0" >&5
+$as_echo "$gcc_cv_cloog_ct_0_14_0" >&6; }
+ elif test "${cloog_org}" = no ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.15.5 (or later revision) of CLooG" >&5
+$as_echo_n "checking for version 0.15.5 (or later revision) of CLooG... " >&6; }
+if test "${gcc_cv_cloog_ct_0_15_5+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+#if CLOOG_VERSION_MAJOR != 0 \
+ || CLOOG_VERSION_MINOR != 15 \
+ || CLOOG_VERSION_REVISION < 5
+ choke me
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+#if CLOOG_VERSION_MAJOR != 0 \
+ || CLOOG_VERSION_MINOR != 15 \
+ || CLOOG_VERSION_REVISION < 9
+ choke me
+ #endif
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ gcc_cv_cloog_ct_0_15_5=yes
+else
+ gcc_cv_cloog_ct_0_15_5="buggy but acceptable"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ gcc_cv_cloog_ct_0_15_5=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_ct_0_15_5" >&5
+$as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
+ fi
+
+ CFLAGS=$_cloog_saved_CFLAGS
+ LDFLAGS=$_cloog_saved_LDFLAGS
+ fi
+
+
+
+
+
+
+
+ if test "x${with_cloog}" = xno; then
+ graphite_requested=no
+ elif test "x${with_cloog}" != x \
+ || test "x${with_cloog_include}" != x \
+ || test "x${with_cloog_lib}" != x ; then
+ graphite_requested=yes
+ else
+ graphite_requested=no
+ fi
+
+
+
+ if test "${gcc_cv_cloog_ct_0_14_0}" = no \
+ || test "${gcc_cv_cloog_rt_0_14_0}" = no \
+ || test "${gcc_cv_cloog_ct_0_15_5}" = no; then
+ clooglibs=
+ clooginc=
+ fi
+
+ if test "${graphite_requested}" = yes \
+ && test "x${clooglibs}" = x \
+ && test "x${clooginc}" = x ; then
+
+ as_fn_error "Unable to find a usable CLooG. See config.log for details." "$LINENO" 5
+ fi
+
+
+fi
+
+# Check for LTO support.
+# Check whether --enable-lto was given.
+if test "${enable_lto+set}" = set; then :
+ enableval=$enable_lto; enable_lto=$enableval
+else
+ enable_lto=yes; default_enable_lto=yes
+fi
+
+
+
+
+
+target_elf=no
+case $target in
+ *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \
+ *-msdosdjgpp* | *-netware* | *-vms* | *-wince* | *-*-pe* | \
+ alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*)
+ target_elf=no
+ ;;
+ *)
+ target_elf=yes
+ ;;
+esac
+
+if test $target_elf = yes; then :
+ # ELF platforms build the lto-plugin always.
+ build_lto_plugin=yes
+
+else
+ if test x"$default_enable_lto" = x"yes" ; then
+ case $target in
+ *-apple-darwin* | *-cygwin* | *-mingw*) ;;
+ # On other non-ELF platforms, LTO has yet to be validated.
+ *) enable_lto=no ;;
+ esac
+ else
+ # Apart from ELF platforms, only Windows and Darwin support LTO so far.
+ # It would also be nice to check the binutils support, but we don't
+ # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
+ # warn during gcc/ subconfigure; unless you're bootstrapping with
+ # -flto it won't be needed until after installation anyway.
+ case $target in
+ *-cygwin* | *-mingw* | *-apple-darwin*) ;;
+ *) if test x"$enable_lto" = x"yes"; then
+ as_fn_error "LTO support is not enabled for this target." "$LINENO" 5
+ fi
+ ;;
+ esac
+ fi
+ # Among non-ELF, only Windows platforms support the lto-plugin so far.
+ # Build it unless LTO was explicitly disabled.
+ case $target in
+ *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
+ *) ;;
+ esac
+
+fi
+
+
+
+# By default, C is the only stage 1 language.
+stage1_languages=,c,
+
+# Target libraries that we bootstrap.
+bootstrap_target_libs=,target-libgcc,
+
+# 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 -d ${srcdir}/gcc; then
+ if test x"${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 "${enable_languages}" | sed -e 's/[ ,][ ,]*/,/g' -e 's/,$//'`
+
+ # 'f95' is the old name for the 'fortran' language. We issue a warning
+ # and make the substitution.
+ case ,${enable_languages}, in
+ *,f95,*)
+ echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+ enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
+ ;;
+ esac
+
+ # 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, and
+ # $lang_requires_boot_languages.
+ language=
+ lang_requires=
+ lang_requires_boot_languages=
+ . ${lang_frag}
+ for other in ${lang_requires} ${lang_requires_boot_languages}; do
+ case ,${enable_languages}, in
+ *,$other,*) ;;
+ *,all,*) ;;
+ *,$language,*)
+ echo " \`$other' language required by \`$language'; enabling" 1>&2
+ enable_languages="${enable_languages},${other}"
+ ;;
+ esac
+ done
+ for other in ${lang_requires_boot_languages} ; do
+ if test "$other" != "c"; then
+ case ,${enable_stage1_languages}, in
+ *,$other,*) ;;
+ *,all,*) ;;
+ *)
+ case ,${enable_languages}, in
+ *,$language,*)
+ echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
+ enable_stage1_languages="$enable_stage1_languages,${other}"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ done
+ ;;
+ esac
+ done
+
+ new_enable_languages=,c,
+
+ # If LTO is enabled, add the LTO front end.
+ extra_host_libiberty_configure_flags=
+ if test "$enable_lto" = "yes" ; then
+ case ,${enable_languages}, in
+ *,lto,*) ;;
+ *) enable_languages="${enable_languages},lto" ;;
+ esac
+ if test "${build_lto_plugin}" = "yes" ; then
+ configdirs="$configdirs lto-plugin"
+ extra_host_libiberty_configure_flags=--enable-shared
+ fi
+ fi
+
+
+ missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ potential_languages=,c,
+
+ enabled_target_libs=
+ disabled_target_libs=
+
+ 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 "${lang_frag} doesn't set \$language." 1>&2
+ exit 1
+ fi
+
+ if test "$language" = "c++" \
+ && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+ boot_language=yes
+ fi
+
+ case ,${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
+ *,${language},*)
+ # Specifically requested language; tell them.
+ as_fn_error "The gcc/$i directory contains parts of $language but is missing" "$LINENO" 5