[PATCH] makedep: avoid bison rules with implicit file generation

[Marcus Meissner]

The rules for bison we generated would be regenerating the same file twice,
and due to a bison "feature" having different content.

Signed-off-by: Marcus Meissner <marcus at jet.franken.de>
---
 tools/makedep.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/tools/makedep.c b/tools/makedep.c
index add722f80a..01603075c7 100644
--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -2386,16 +2386,17 @@ static struct strarray output_sources( const struct makefile *make )
 
             if (find_include_file( make, header ))
             {
-                output( "%s: %s\n", obj_dir_path( make, header ), source->filename );
+                /* create a rule for both C and Header file */
+                output( "%s %s.tab.c: %s\n", obj_dir_path( make, header ), obj_dir_path( make, obj ), source->filename );
                 output( "\t$(BISON) -p %s_ -o %s.tab.c -d %s\n",
                         obj, obj_dir_path( make, obj ), source->filename );
-                output( "%s.tab.c: %s %s\n", obj_dir_path( make, obj ),
-                        source->filename, obj_dir_path( make, header ));
                 strarray_add( &clean_files, header );
             }
-            else output( "%s.tab.c: %s\n", obj, source->filename );
-
-            output( "\t$(BISON) -p %s_ -o $@ %s\n", obj, source->filename );
+            else
+            {
+                output( "%s.tab.c: %s\n", obj, source->filename );
+                output( "\t$(BISON) -p %s_ -o $@ %s\n", obj, source->filename );
+	    }
         }
         else if (!strcmp( ext, "x" ))  /* template file */
         {
-- 
2.12.0