libgpiod: ptest: warn if the gpio-mockup kernel module is not selected

libgpiod test-suites work with the gpio-mockup kernel module. When using
linux-yocto, it's enabled using the gpio/mockup.scc kernel feature. Check
if this feature is present in KERNEL_FEATURE and warn if not.

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/libgpiod/libgpiod_1.6.3.bb b/meta-oe/recipes-support/libgpiod/libgpiod_1.6.3.bb
index 874453fbd..febf625a6 100644
--- a/meta-oe/recipes-support/libgpiod/libgpiod_1.6.3.bb
+++ b/meta-oe/recipes-support/libgpiod/libgpiod_1.6.3.bb
@@ -52,6 +52,13 @@ RRECOMMENDS_${PN} += "${@bb.utils.contains('PACKAGECONFIG', 'python3', '${PN}-py
 PACKAGECONFIG_append = " ${@bb.utils.contains('DISTRO_FEATURES', 'ptest', 'tests', '', d)}"
 
 do_install_ptest() {
+    if [ "${PREFERRED_PROVIDER_virtual/kernel}" = "linux-yocto" ] && \
+       ${@bb.utils.contains('KERNEL_FEATURES', 'features/gpio/mockup.scc', 'false', 'true',d)}; then
+        bbwarn "libgpiod test-suites need the gpio-mockup
+module and will not work without it. Consider adding
+'features/gpio/mockup.scc' to KERNEL_FEATURES"
+    fi
+
     install -d ${D}${PTEST_PATH}/tests
 
     # These are the core C library tests