From 133d4cde265cee06c6cebfb8665e0ced6cf80498 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Tue, 16 Mar 2010 13:27:51 +0100
Subject: [PATCH] makedep: Output source dependency for bison files needed for
 parallel makes.

---
 tools/makedep.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tools/makedep.c b/tools/makedep.c
index c3b872019a7..9ce5befba3a 100644
--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -261,6 +261,18 @@ static INCL_FILE *find_src_file( const char *name )
     return NULL;
 }
 
+/*******************************************************************
+ *         find_include_file
+ */
+static INCL_FILE *find_include_file( const char *name )
+{
+    INCL_FILE *file;
+
+    LIST_FOR_EACH_ENTRY( file, &includes, INCL_FILE, entry )
+        if (!strcmp( name, file->name )) return file;
+    return NULL;
+}
+
 /*******************************************************************
  *         add_include
  *
@@ -829,6 +841,10 @@ static int output_src( FILE *file, INCL_FILE *pFile, int *column )
         *ext++ = 0;
         if (!strcmp( ext, "y" ))  /* yacc file */
         {
+            /* add source file dependency for parallel makes */
+            char *header = strmake( "%s.tab.h", obj );
+            if (find_include_file( header )) fprintf( file, "%s.tab.c: %s\n", obj, header );
+            free( header );
             *column += fprintf( file, "%s.tab.o: %s.tab.c", obj, obj );
         }
         else if (!strcmp( ext, "l" ))  /* lex file */