cppinit.c (cpp_start_read): Call initialize_dependency_output only after reading…

cppinit.c (cpp_start_read): Call initialize_dependency_output only after reading in the primary source file.

	* cppinit.c (cpp_start_read): Call initialize_dependency_output
	only after reading in the primary source file.

From-SVN: r32825

gcc/ChangeLog

+2000-03-29  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppinit.c (cpp_start_read): Call initialize_dependency_output
+	only after reading in the primary source file.
+
 2000-03-29  Geoff Keating  <geoffk@cygnus.com>
 
 	* c-common.c (c_common_nodes_and_builtins): The first parameter to

gcc/cppinit.c

@@ -896,10 +896,8 @@ cpp_start_read (pfile, fname)
       fprintf (stderr, _("End of search list.\n"));
     }
 
-  initialize_dependency_output (pfile);
-  
-  /* Open the main input file.  This must be done before -D processing
-     so we have a buffer to stand on.  */
+  /* Open the main input file.  This must be done early, so we have a
+     buffer to stand on.  */
   if (opts->in_fname == NULL || *opts->in_fname == 0)
     {
       opts->in_fname = fname;
@@ -910,6 +908,8 @@ cpp_start_read (pfile, fname)
   if (!cpp_read_file (pfile, fname))
     return 0;
 
+  initialize_dependency_output (pfile);
+  
   /* -D and friends may produce output, which should be identified
      as line 0.  */