[OE-core] [PATCH 6/8] [busybox] allow overriding compiler name in KConfig

[Jérémy Rosen]

The KConfig infrastructure hardwires the compiler name to gcc, which breaks
the BUILD_CC feature. This is needed even when cross compiling because
make *config rely on the kconfig infrastructure
---
 meta/recipes-core/busybox/busybox.inc                                                |  5 +++++
 meta/recipes-core/busybox/busybox/0001-Allow-overriding-of-host-compiler-names.patch | 27 +++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 0 deletions(-)
 create mode 100644 meta/recipes-core/busybox/busybox/0001-Allow-overriding-of-host-compiler-names.patch

diff --git a/meta/recipes-core/busybox/busybox.inc b/meta/recipes-core/busybox/busybox.inc
index 39c2eef..defeb2e 100644
--- a/meta/recipes-core/busybox/busybox.inc
+++ b/meta/recipes-core/busybox/busybox.inc
@@ -47,6 +47,11 @@ CONFFILES_${PN}-mdev = "${sysconfdir}/mdev.conf"
 
 RRECOMMENDS_${PN} = "${PN}-syslog ${PN}-udhcpc"
 
+export HOSTCC = "${BUILD_CC}"
+export HOSTCXX = "${BUILD_CXX}"
+SRC_URI_append = " \
+           file://0001-Allow-overriding-of-host-compiler-names.patch \
+"
 inherit cml1 systemd update-rc.d ptest
 
 # internal helper
diff --git a/meta/recipes-core/busybox/busybox/0001-Allow-overriding-of-host-compiler-names.patch b/meta/recipes-core/busybox/busybox/0001-Allow-overriding-of-host-compiler-names.patch
new file mode 100644
index 0000000..9df0035
--- /dev/null
+++ b/meta/recipes-core/busybox/busybox/0001-Allow-overriding-of-host-compiler-names.patch
@@ -0,0 +1,27 @@
+From a4dc894195ccf58b60e867a170c27f6a4747b094 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Rosen?= <jeremy.rosen at smile.fr>
+Date: Wed, 17 Aug 2016 22:30:48 +0200
+Subject: [PATCH] Allow overriding of host compiler names
+
+---
+ Makefile | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 064d037..d1c4494 100644
+--- a/Makefile
++++ b/Makefile
+@@ -271,8 +271,8 @@ export quiet Q KBUILD_VERBOSE
+ # Look for make include files relative to root of kernel src
+ MAKEFLAGS += --include-dir=$(srctree)
+ 
+-HOSTCC  	= gcc
+-HOSTCXX  	= g++
++HOSTCC  	?= gcc
++HOSTCXX  	?= g++
+ HOSTCFLAGS	:=
+ HOSTCXXFLAGS	:=
+ # We need some generic definitions
+-- 
+2.8.1
+
-- 
git-series 0.8.9