commit 1dacddf6b5cd408127492cef37e250478ebdaf15
author Gabe Black <gabeblack@chromium.org> Fri Oct 14 15:24:09 2016 -0700
committer Gabe Black <gabeblack@google.com> Fri Oct 14 16:02:58 2016 -0700
tree 9f9a69b46440373207dcd71c60952c33a554b697
parent a6f86d75e4258d4f607f0620837b955051338e0c

make: Export the CC variable to sub shells.

The CC environment variable is used by the bin_to_o.sh script to build an
object module which has a binary file as the data in one of its sections. To
ensure it's set even if the parent environment didn't set it, export it from
make into sub shells.

Change-Id: I588160949537ad8f2bebf78cca32979e74336d64

engine.mk

diff --git a/engine.mk b/engine.mk
index 23a2712..0e82d82 100644
--- a/engine.mk
+++ b/engine.mk
@@ -39,7 +39,7 @@
 
 include $(obj)/.config
 
-CC = $(firstword $(CC_$(TC_ARCH)))
+export CC = $(firstword $(CC_$(TC_ARCH)))
 OBJCOPY ?= $(OBJCOPY_$(TC_ARCH))
 STRIP ?= $(STRIP_$(TC_ARCH))
 LIBGCC ?= $(shell $(CC) -print-libgcc-file-name)