linux-yocto: allow overriding compiler name in KConfig

The KConfig infrastructure needs to build HOST binaries in order to
provide its infratstructure. Yocto needs to force the HOSTCC and HOSTCPP
variables to BUILD_CC and BUILD_CPP to make sure that the proper compiler
is used when compiling host binaries

Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index d6a0ca850481ee84df06013604bb8e2940f7c75a..e4e8ee43ea7c008e37dc8c429299953a2d14028d 100644 (file)
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -156,6 +156,7 @@ UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
 # Some Linux kernel configurations need additional parameters on the command line
 KERNEL_EXTRA_ARGS ?= ""
 
+EXTRA_OEMAKE = " HOSTCC="${BUILD_CC}" HOSTCPP="${BUILD_CPP}""
 KERNEL_ALT_IMAGETYPE ??= ""
 
 copy_initramfs() {