Use -fno-toplevel-reorder with gcc >= 4.2 on sparc-solaris; fixes trac #2312

[ghc-hetmet.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 0432ed3..35eb79c 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -984,6 +984,11 @@ AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_
      )],
      [])
   ;;
+  sparc-*-solaris2) 
+    FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
+      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
+      [])
+  ;;
  esac
 ])
 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)