Use $SOEXT

Author: wks

Diff for: tool/m4/mmtk_ruby.m4

@@ -1,8 +1,7 @@
 dnl -*- Autoconf -*-
 AC_DEFUN([MMTK_RUBY], [
 
-[MMTK_RUBY_SO_NAME=libmmtk_ruby.so]
-[MMTK_RUBY_DYLIB_NAME=libmmtk_ruby.dylib]
+[MMTK_RUBY_SO_NAME=libmmtk_ruby.$SOEXT]
 
 AC_ARG_WITH(mmtk-ruby,
     AS_HELP_STRING([--with-mmtk-ruby=DIR],
@@ -29,10 +28,10 @@ AS_IF([test -n "$with_mmtk_ruby"], [
     AC_MSG_RESULT([yes])
 
     AS_IF([test -n "$with_mmtk_ruby_so"], [
-        AC_MSG_NOTICE([User specified the path to $MMTK_RUBY_SO_NAME or $MMTK_RUBY_DYLIB_NAME: $with_mmtk_ruby_so])
+        AC_MSG_NOTICE([User specified the path to $MMTK_RUBY_SO_NAME: $with_mmtk_ruby_so])
         mmtk_ruby_so_basename=$(basename $with_mmtk_ruby_so)
-        AS_IF([test "x$mmtk_ruby_so_basename" != "x$MMTK_RUBY_SO_NAME" -a "x$mmtk_ruby_so_basename" != "x$MMTK_RUBY_DYLIB_NAME"],[
-            AC_MSG_ERROR([The base name must be $MMTK_RUBY_SO_NAME or $MMTK_RUBY_DYLIB_NAME. Found: $mmtk_ruby_so_basename])
+        AS_IF([test "x$mmtk_ruby_so_basename" != "x$MMTK_RUBY_SO_NAME"],[
+            AC_MSG_ERROR([The base name must be $MMTK_RUBY_SO_NAME. Found: $mmtk_ruby_so_basename])
         ])
         mmtk_ruby_so_path="$with_mmtk_ruby_so"
         mmtk_ruby_build_suggestion="Please build it first"