re PR fortran/60447 (Empty .s file created when using -E flag)

2014-03-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60447
        * f95-lang.c (gfc_init): Return false when only
        preprocessing.
        * options.c (gfc_post_options): Ditto.

From-SVN: r208431

gcc/fortran/ChangeLog

 2014-03-08  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/60447
+	* f95-lang.c (gfc_init): Return false when only
+	preprocessing.
+	* options.c (gfc_post_options): Ditto.
+
+2014-03-08  Tobias Burnus  <burnus@net-b.de>
+
 	* gfortran.texi (Fortran 2003 Status): Mention finalization,
 	deferred-length character support and input rounding.
 	(Fortran 2008 Status): Mention that at termination

gcc/fortran/f95-lang.c

@@ -223,6 +223,9 @@ gfc_init (void)
   if (!gfc_new_file ())
     fatal_error ("can't open input file: %s", gfc_source_file);
 
+  if (flag_preprocess_only)
+    return false;
+
   return true;
 }
 

gcc/fortran/options.c

@@ -437,14 +437,7 @@ gfc_post_options (const char **pfilename)
 
   gfc_cpp_post_options ();
 
-/* FIXME: return gfc_cpp_preprocess_only ();
-
-   The return value of this function indicates whether the
-   backend needs to be initialized. On -E, we don't need
-   the backend. However, if we return 'true' here, an
-   ICE occurs. Initializing the backend doesn't hurt much,
-   hence, for now we can live with it as is.  */
-  return false;
+  return gfc_cpp_preprocess_only ();
 }