diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog
index f5634851090ab422b699e4eb1b8755221470aad4..9c76ecfdc8e04db5b1df053783b12b5dff18bd08 100644
--- a/gcc/f/ChangeLog
+++ b/gcc/f/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-14  Geoffrey Keating  <geoffk@apple.com>
+
+	* lang-specs.h (f77-cpp-input): Use -o to specify the CPP output file.
+
 2003-07-10  Toon Moene  <toon@moene.indiv.nluug.nl>
 
 	* ffe.texi: Correctly use @var{srcdir}.
diff --git a/gcc/f/lang-specs.h b/gcc/f/lang-specs.h
index 3c8c8e1531700e81cea5c191f735ebf374a88eb6..9ed51ef5a60c015d874fdda83f4afcbf66068565 100644
--- a/gcc/f/lang-specs.h
+++ b/gcc/f/lang-specs.h
@@ -31,7 +31,7 @@ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   {"@f77-cpp-input",
    "cc1 -E -traditional-cpp -D_LANGUAGE_FORTRAN %(cpp_options) \
         %{E|M|MM:%(cpp_debug_options)}\
-        %{!M:%{!MM:%{!E: %|.f |\n\
+        %{!M:%{!MM:%{!E: -o %|.f |\n\
     f771 %|.f %(cc1_options) %{I*} %{!fsyntax-only:%(invoke_as)}}}}", 0},
   {".r", "@ratfor", 0},
   {"@ratfor",