lkml.org 
[lkml]   [2013]   [Jun]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] tools lib lk: Fix for cross build
Date
Currently, lib lk doesn't use CROSS_COMPILE environment variable,
so cross build is always failed. This is a quick fix for this problem.

Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

diff --git a/tools/lib/lk/Makefile b/tools/lib/lk/Makefile
index 926cbf3..91e5174 100644
--- a/tools/lib/lk/Makefile
+++ b/tools/lib/lk/Makefile
@@ -1,5 +1,20 @@
include ../../scripts/Makefile.include

+# Makefiles suck: This macro sets a default value of $(2) for the
+# variable named by $(1), unless the variable has been set by
+# environment or command line. This is necessary for CC and AR
+# because make sets default values, so the simpler ?= approach
+# won't work as expected.
+define allow-override
+ $(if $(or $(findstring environment,$(origin $(1))),\
+ $(findstring command line,$(origin $(1)))),,\
+ $(eval $(1) = $(2)))
+endef
+
+# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
+$(call allow-override,CC,$(CROSS_COMPILE)gcc)
+$(call allow-override,AR,$(CROSS_COMPILE)ar)
+
# guard against environment variables
LIB_H=
LIB_OBJS=
--
1.7.9.5


\
 
 \ /
  Last update: 2013-06-19 03:21    [W:0.166 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site