[PATCH 12/18] tools lib: Allow external definition of CC, AR and LD

[Arnaldo Carvalho de Melo]

From: David Carrillo-Cisneros <davidcc@xxxxxxxxxx>

Use already defined values for CC, AR and LD when available.

Signed-off-by: David Carrillo-Cisneros <davidcc@xxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Paul Turner <pjt@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20170827075442.108534-4-davidcc@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/lib/api/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile
index eb6e0b36bfc1..2538675731c7 100644
--- a/tools/lib/api/Makefile
+++ b/tools/lib/api/Makefile
@@ -8,9 +8,9 @@ srctree := $(patsubst %/,%,$(dir $(srctree)))
 #$(info Determined 'srctree' to be $(srctree))
 endif
 
-CC = $(CROSS_COMPILE)gcc
-AR = $(CROSS_COMPILE)ar
-LD = $(CROSS_COMPILE)ld
+CC ?= $(CROSS_COMPILE)gcc
+AR ?= $(CROSS_COMPILE)ar
+LD ?= $(CROSS_COMPILE)ld
 
 MAKEFLAGS += --no-print-directory
 
-- 
2.13.5