[PATCH] makefiles: Disable implicit rules.

[Zebediah Figura]

This improves the time of a full-tree build with no out-of-date objects from
~3.7s to ~0.7s on one of my development machines.

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
 Makefile.in     | 3 +++
 tools/makedep.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/Makefile.in b/Makefile.in
index 307a95b3b1a..3dc76398d85 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -89,6 +89,9 @@ TOP_INSTALL_DEV     = @TOP_INSTALL_DEV@
 @ALL_VARS_RULES@
 @SET_MAKE@
 
+# Disable implicit rules
+.SUFFIXES:
+
 all: wine
 	@echo "Wine build complete."
 
diff --git a/tools/makedep.c b/tools/makedep.c
index 90a21ef825c..ab685b1d596 100644
--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -4069,6 +4069,9 @@ static void output_dependencies( struct makefile *make )
 
     if (!found) output( "\n%s (everything below this line is auto-generated; DO NOT EDIT!!)\n", separator );
 
+    /* disable implicit rules */
+    output( ".SUFFIXES:\n" );
+
     if (make == top_makefile)
     {
         for (i = 0; i < subdirs.count; i++) output_sources( submakes[i] );
-- 
2.29.2