From d17bfecc29345c24bd45e5bae58cb7b1618fd9c3 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Sat, 19 Aug 2017 19:08:36 -0700
Subject: Don't track system header dependencies

This slows down no-op builds and is not really useful since if the toolchain was
upgraded and libc.a changes, we need to rebuild manually anyway.
---
 rules.ninja | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'rules.ninja')

diff --git a/rules.ninja b/rules.ninja
index 9c331199..7680ab5e 100644
--- a/rules.ninja
+++ b/rules.ninja
@@ -4,7 +4,7 @@ rule gen
 
 # toolchain
 rule cc
-  command = $cc -MD -MF $out.d $cflags -c -o $out $in
+  command = $cc -MMD -MF $out.d $cflags -c -o $out $in
   depfile = $out.d
   deps = gcc
 
-- 
cgit v1.2.3