[PATCH 2/4] kernel-yocto.bbclass: do_kernel_configme: don't use +errexit, merge_config_build.log and fail when /.config wasn't created

[Martin Jansa <martin.jansa@gmail.com>]

* for whatever reason, instead of silently continuing to build default kernel config

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
 meta/classes/kernel-yocto.bbclass | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index d2796b01bf..8e642cd999 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -318,8 +318,6 @@ do_kernel_configme[depends] += "virtual/${TARGET_PREFIX}gcc:do_populate_sysroot"
 do_kernel_configme[depends] += "bc-native:do_populate_sysroot bison-native:do_populate_sysroot"
 do_kernel_configme[dirs] += "${S} ${B}"
 do_kernel_configme() {
-	set +e
-
 	# translate the kconfig_mode into something that merge_config.sh
 	# understands
 	case ${KCONFIG_MODE} in
@@ -345,8 +343,9 @@ do_kernel_configme() {
 		bbfatal_log "Could not find configuration queue (${meta_dir}/config.queue)"
 	fi
 
-	CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}"	HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" CC="${KERNEL_CC}" LD="${KERNEL_LD}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs} > ${meta_dir}/cfg/merge_config_build.log 2>&1
-	if [ $? -ne 0 ]; then
+	CFLAGS="${CFLAGS} ${TOOLCHAIN_OPTIONS}" HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}" HOSTCPP="${BUILD_CPP}" CC="${KERNEL_CC}" LD="${KERNEL_LD}" ARCH=${ARCH} merge_config.sh -O ${B} ${config_flags} ${configs}
+
+	if [ $? -ne 0 -o ! -f ${B}/.config ]; then
 		bbfatal_log "Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}"
 	fi
 
-- 
2.20.1