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

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

(From OE-Core rev: ec281a948a23365bd4536139dac077fb1a5eae6d)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index f71aa7d0a6..d961901b74 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -327,8 +327,6 @@ 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 ${KCONFIG_MODE} in
@@ -354,8 +352,9 @@ do_kernel_configme() {
                 bbfatal_log "Could not find configuration queue (${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