* configure.ac (enable-lto): Add Darwin to the list of supported lto

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

diff --git a/configure.ac b/configure.ac
index f78c527..67e79fe 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -967,13 +967,7 @@ case "${target}" in
   v810-*-*)
     noconfigdirs="$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 ${libgcj}"
-    ;;
-  v850ea-*-*)
+  v850*-*-*)
     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
     ;;
   vax-*-vms)
@@ -1354,7 +1348,7 @@ fi
 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
   gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
   gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
-  extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
+  extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
   extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
   # Do not test the gmp version.  Assume that it is sufficient, since
   # it is in the source tree, and the library has not been built yet
@@ -1793,17 +1787,19 @@ to specify its location.])
   AC_SUBST(libelflibs)
   AC_SUBST(libelfinc)
 fi],[if test x"$default_enable_lto" = x"yes" ; then
-    # On non-ELF platforms, LTO must be explicitly enabled.
-    enable_lto=no
+    case $target in
+      *-apple-darwin*) ;;
+      # On other non-ELF platforms, LTO must be explicitly enabled.
+      *) enable_lto=no ;;
+    esac
   else
-  # Apart from ELF platforms, only Windows supports LTO so far.  It
-  # would also be nice to check the binutils support, but we don't
+  # 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 $target in
-      *-cygwin*|*-mingw*) ;;
-      *-apple-darwin*) ;;
+      *-cygwin*|*-mingw* | *-apple-darwin*) ;;
       *) if test x"$enable_lto" = x"yes"; then
        AC_MSG_ERROR([LTO support is not enabled for this target.])
         fi