netdev - [PATCH iproute2-next] Makefile: pass -pipe to the compiler

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Date:   Tue, 11 Jun 2019 20:05:13 +0200
From:   Matteo Croce <mcroce@...hat.com>
To:     netdev@...r.kernel.org
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        David Ahern <dsahern@...nel.org>
Subject: [PATCH iproute2-next] Makefile: pass -pipe to the compiler

Pass the -pipe option to GCC, to use pipes instead of temp files.
On a slow AMD G-T40E CPU we get a non negligible 6% improvement
in build time.

real    1m15,111s
user    1m2,521s
sys     0m12,465s

real    1m10,861s
user    1m2,520s
sys     0m12,901s

Signed-off-by: Matteo Croce <mcroce@...hat.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 48f469b0..6c35e7c2 100644
--- a/Makefile
+++ b/Makefile
@@ -48,7 +48,7 @@ HOSTCC ?= $(CC)
 DEFINES += -D_GNU_SOURCE
 # Turn on transparent support for LFS
 DEFINES += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-CCOPTS = -O2
+CCOPTS = -O2 -pipe
 WFLAGS := -Wall -Wstrict-prototypes  -Wmissing-prototypes
 WFLAGS += -Wmissing-declarations -Wold-style-definition -Wformat=2
 
-- 
2.21.0