diff --git a/libltdl/m4/libtool.m4 b/libltdl/m4/libtool.m4
index 763a410..defa277 100644
--- a/libltdl/m4/libtool.m4
+++ b/libltdl/m4/libtool.m4
@@ -3946,7 +3946,10 @@ m4_if([$1], [CXX], [
 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
 	  _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
 	  ;;
-	*Sun\ F*)
+	esac
+	;;
+	case `$FC -V 2>&1 | sed 5q` in
+	*Sun*Fortran*8.3)
 	  # Sun Fortran 8.3 passes all unrecognized flags to the linker
 	  _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	  _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'