From be6f4376498d15b3465027bd78de3a878a862023 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 15 Sep 2012 10:21:24 +0000
Subject: build: add a config option for passing the top-level make jobserver
 to packages that have parallel build enabled, significantly improves
 parallelization and gets rid of CPU overcommit during intra-package parallel
 builds

SVN-Revision: 33414
---
 include/toplevel.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'include/toplevel.mk')

diff --git a/include/toplevel.mk b/include/toplevel.mk
index d37ddb9171..ba5af9c155 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -148,7 +148,7 @@ prereq:: prepare-tmpinfo .config
 			echo "WARNING: your configuration is out of sync. Please run make menuconfig, oldconfig or defconfig!"; \
 		fi \
 	)
-	@+$(SUBMAKE) -r $@
+	@+$(SUBMAKE) -r $@ MAKE_JOBSERVER="$(filter --jobserver% -j,$(MAKEFLAGS))"
 
 help:
 	cat README
-- 
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