[tip:perf/core] perf build: Add EXTRA_LDFLAGS option to makefile

[tip-bot for Zubair Lutfullah Kakakhel]

Commit-ID:  37b4e2020a5f4dbecf22ee3efe92de6dbea1c5f0
Gitweb:     http://git.kernel.org/tip/37b4e2020a5f4dbecf22ee3efe92de6dbea1c5f0
Author:     Zubair Lutfullah Kakakhel <Zubair.Kakakhel@xxxxxxxxxx>
AuthorDate: Tue, 9 Feb 2016 13:33:38 +0000
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 12 Feb 2016 11:30:20 -0300

perf build: Add EXTRA_LDFLAGS option to makefile

To compile for little-endian systems, you need to pass -EL to CC and LD.

EXTRA_CFLAGS works to pass -EL to CC.
Add EXTRA_LDFLAGS to pass -EL to LD.

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1455024818-15842-1-git-send-email-Zubair.Kakakhel@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Makefile.perf | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index d404117..4a4fad4 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -139,6 +139,8 @@ $(call allow-override,CC,$(CROSS_COMPILE)gcc)
 $(call allow-override,AR,$(CROSS_COMPILE)ar)
 $(call allow-override,LD,$(CROSS_COMPILE)ld)
 
+LD += $(EXTRA_LDFLAGS)
+
 PKG_CONFIG = $(CROSS_COMPILE)pkg-config
 
 RM      = rm -f