PR target/34702

[pf3gnuchains/gcc-fork.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index e1cce07..e6c8eb0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -406,7 +406,7 @@ case "${target}" in
   *-*-chorusos)
     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
     ;;
-  powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
+  powerpc-*-darwin* | i[[3456789]]86-*-darwin* | x86_64-*-darwin9*)
     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;
@@ -1220,11 +1220,11 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
   if test x"$have_gmp" = xyes; then
     saved_LIBS="$LIBS"
     LIBS="$LIBS $gmplibs"
-    dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
+    dnl MPFR 2.2.1 is acceptable, but MPFR 2.3.0 is better.
     AC_MSG_CHECKING([for correct version of mpfr.h])
     AC_TRY_LINK([#include <gmp.h>
     #include <mpfr.h>],[
-    #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
+    #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
     choke me
     #endif
     mpfr_t n;
@@ -1237,7 +1237,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
     mpfr_subnormalize (x, t, GMP_RNDN);
     ], [AC_TRY_LINK([#include <gmp.h>
     #include <mpfr.h>],[
-    #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
+    #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,0)
     choke me
     #endif
     mpfr_t n; mpfr_init(n);
@@ -1248,7 +1248,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
   CFLAGS="$saved_CFLAGS"
 
   if test x$have_gmp != xyes; then
-    AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
+    AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
 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/.
@@ -2387,9 +2387,11 @@ esac
 
 # Allow the user to override the flags for
 # our build compiler if desired.
-CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
-CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CFLAGS}}
-LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${CFLAGS}}
+if test x"${build}" = x"${host}" ; then
+  CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
+  CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
+  LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
+fi
 
 # On Canadian crosses, we'll be searching the right directories for
 # the previously-installed cross compiler, so don't bother to add