+ # Now check the MPFR library.
+ if test x"$have_gmp" = xyes; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ echo "$as_me:$LINENO: checking for the correct version of the gmp/mpfr libraries" >&5
+echo $ECHO_N "checking for the correct version of the gmp/mpfr libraries... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <gmp.h>
+ #include <mpfr.h>
+int
+main ()
+{
+
+ mpfr_t n;
+ mpfr_t x;
+ int t;
+ mpfr_init (n);
+ mpfr_init (x);
+ mpfr_atan2 (n, n, x, GMP_RNDN);
+ mpfr_erfc (n, x, GMP_RNDN);
+ mpfr_subnormalize (x, t, GMP_RNDN);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; have_gmp=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS="$saved_LIBS"
+ fi
+
+ if test x"$have_mpc" = xmaybe; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $mpclibs $gmplibs"
+ echo "$as_me:$LINENO: checking for the correct version of the mpc library" >&5
+echo $ECHO_N "checking for the correct version of the mpc library... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <mpc.h>
+int
+main ()
+{
+
+ mpc_t n;
+ mpc_init2 (n, 53);
+ mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
+ mpc_sin (n, n, MPC_RNDNN);
+ mpc_cos (n, n, MPC_RNDNN);
+ mpc_tan (n, n, MPC_RNDNN);
+ mpc_sinh (n, n, MPC_RNDNN);
+ mpc_cosh (n, n, MPC_RNDNN);
+ mpc_tanh (n, n, MPC_RNDNN);
+ mpc_exp (n, n, MPC_RNDNN);
+ mpc_log (n, n, MPC_RNDNN);
+ mpc_sqrt (n, n, MPC_RNDNN);
+ mpc_proj (n, n, MPC_RNDNN);
+ mpc_neg (n, n, MPC_RNDNN);
+ mpc_sqr (n, n, MPC_RNDNN);
+ mpc_clear (n);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; have_mpc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; have_mpc=no; mpclibs= ; mpcinc=
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS="$saved_LIBS"
+ fi
+
+ CFLAGS="$saved_CFLAGS"
+
+ if test x$have_gmp != xyes; then
+ { { echo "$as_me:$LINENO: error: Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.
+If you obtained GMP and/or MPFR from a vendor distribution package, make
+sure that you have installed both the libraries and the header files.
+They may be located in separate packages." >&5
+echo "$as_me: error: Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.
+If you obtained GMP and/or MPFR from a vendor distribution package, make
+sure that you have installed both the libraries and the header files.
+They may be located in separate packages." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+fi
+
+if test x$have_mpc != xyes ; then
+ mpcinc=
+ mpclibs=
+fi
+
+gmpinc="$mpcinc $gmpinc"
+gmplibs="$mpclibs $gmplibs"
+
+# Flags needed for both GMP, MPFR and/or MPC.
+
+
+
+
+
+
+# Allow host libstdc++ to be specified for static linking with PPL.
+
+# Check whether --with-host-libstdcxx or --without-host-libstdcxx was given.
+if test "${with_host_libstdcxx+set}" = set; then
+ withval="$with_host_libstdcxx"
+
+fi;
+
+case $with_host_libstdcxx in
+ no|yes)
+ { { echo "$as_me:$LINENO: error: -with-host-libstdcxx needs an argument" >&5
+echo "$as_me: error: -with-host-libstdcxx needs an argument" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+esac
+
+# Check for PPL
+ppl_major_version=0
+ppl_minor_version=10
+ppllibs=" -lppl_c -lppl -lgmpxx $with_host_libstdcxx "
+pplinc=
+
+
+# Check whether --with-ppl or --without-ppl was given.
+if test "${with_ppl+set}" = set; then
+ withval="$with_ppl"
+
+else
+ with_ppl=no
+fi;
+
+# Check whether --with-ppl_include or --without-ppl_include was given.
+if test "${with_ppl_include+set}" = set; then
+ withval="$with_ppl_include"
+
+fi;
+
+# Check whether --with-ppl_lib or --without-ppl_lib was given.
+if test "${with_ppl_lib+set}" = set; then
+ withval="$with_ppl_lib"
+
+fi;
+
+case $with_ppl in
+ no)
+ ppllibs=
+ ;;
+ *)
+ ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx $with_host_libstdcxx"
+ pplinc="-I$with_ppl/include $pplinc"
+ LIBS="$ppllibs $LIBS"
+ ;;
+esac
+if test "x$with_ppl_include" != x; then
+ pplinc="-I$with_ppl_include $pplinc"
+fi
+if test "x$with_ppl_lib" != x; then
+ ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx $with_host_libstdcxx"
+ LIBS="$ppllibs $LIBS"
+fi
+if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
+ ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '"$with_host_libstdcxx "
+ pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
+ LIBS="$ppllibs $LIBS"
+fi
+
+# Check whether --enable-ppl-version-check or --disable-ppl-version-check was given.
+if test "${enable_ppl_version_check+set}" = set; then
+ enableval="$enable_ppl_version_check"
+ ENABLE_PPL_CHECK=$enableval
+else
+ ENABLE_PPL_CHECK=yes
+fi;
+
+if test "${ENABLE_PPL_CHECK}" = "yes"; then
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $pplinc $gmpinc"
+ echo "$as_me:$LINENO: checking for version $ppl_major_version.$ppl_minor_version of PPL" >&5
+echo $ECHO_N "checking for version $ppl_major_version.$ppl_minor_version of PPL... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include "ppl_c.h"
+int
+main ()
+{
+
+ #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
+ choke me
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; ppllibs= ; pplinc=
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$saved_CFLAGS"
+fi
+
+# Flags needed for PPL
+
+
+
+
+# Check for CLOOG
+clooglibs=" -lcloog "
+clooginc=" -DCLOOG_PPL_BACKEND "
+
+
+# Check whether --with-cloog or --without-cloog was given.
+if test "${with_cloog+set}" = set; then
+ withval="$with_cloog"
+
+else
+ with_cloog=no
+fi;
+
+# Check whether --with-cloog_include or --without-cloog_include was given.
+if test "${with_cloog_include+set}" = set; then
+ withval="$with_cloog_include"
+
+fi;
+
+# Check whether --with-cloog_lib or --without-cloog_lib was given.
+if test "${with_cloog_lib+set}" = set; then
+ withval="$with_cloog_lib"
+
+fi;
+
+case $with_cloog in
+ no)
+ clooglibs=
+ clooginc=
+ ;;
+ *)
+ clooglibs="-L$with_cloog/lib -lcloog"
+ clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
+ LIBS="$clooglibs $LIBS"
+ ;;
+esac
+if test "x$with_cloog_include" != x; then
+ clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
+fi
+if test "x$with_cloog_lib" != x; then
+ clooglibs="-L$with_cloog_lib -lcloog"
+ LIBS="$clooglibs $LIBS"
+fi
+if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
+ clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
+ clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
+ LIBS="$clooglibs $LIBS"
+fi
+
+# Check whether --enable-cloog-version-check or --disable-cloog-version-check was given.
+if test "${enable_cloog_version_check+set}" = set; then
+ enableval="$enable_cloog_version_check"
+ ENABLE_CLOOG_CHECK=$enableval
+else
+ ENABLE_CLOOG_CHECK=yes
+fi;
+
+if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
+ echo "$as_me:$LINENO: checking for correct version of CLooG" >&5
+echo $ECHO_N "checking for correct version of CLooG... $ECHO_C" >&6
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include "cloog/cloog.h"
+int
+main ()
+{
+
+ #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
+ choke me
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6; clooglibs= ; clooginc=
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$saved_CFLAGS"
+fi
+
+# Flags needed for CLOOG
+
+
+
+
+# By default, C is the only stage 1 language.
+stage1_languages=,c,
+
+# 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,*)