From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Tue, 15 Apr 2014 05:47:40 +0000 (+0900)
Subject: kbuild: add user-supplied CPPFLAGS, AFLAGS and CFLAGS
X-Git-Tag: v2014.07-rc1~24
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=0e6256d0770f5f2bda80e9ce1aa8dd404de4bcdf;p=u-boot

kbuild: add user-supplied CPPFLAGS, AFLAGS and CFLAGS

Like Linux Kernel, this commit provides environment variables
KCPPFLAGS, KAFLAGS and KCFLAGS, which are useful to pass
additional options.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---

diff --git a/Makefile b/Makefile
index 970a219c91..0191869040 100644
--- a/Makefile
+++ b/Makefile
@@ -584,6 +584,11 @@ endif
 
 export CONFIG_SYS_TEXT_BASE
 
+# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
+KBUILD_CPPFLAGS += $(KCPPFLAGS)
+KBUILD_AFLAGS += $(KAFLAGS)
+KBUILD_CFLAGS += $(KCFLAGS)
+
 # Use UBOOTINCLUDE when you must reference the include/ directory.
 # Needed to be compatible with the O= option
 UBOOTINCLUDE    := \