sokol-flex: adjust configuration for oe-selftest via distro feature

Signed-off-by: Christopher Larson <[email protected]>

meta-sokol-flex-distro/conf/distro/include/no_sanity_distros.inc

@@ -0,0 +1,5 @@
+python no_sanity_distros () {
+    if bb.utils.contains('DISTRO_FEATURES', 'selftest', True, False, d):
+        d.delVar('SANITY_TESTED_DISTROS')
+}
+addhandler no_sanity_distros

meta-sokol-flex-distro/conf/distro/sokol-flex.conf

@@ -287,6 +287,18 @@ require classes/metadata_scm.bbclass
 METADATA_BRANCH := "${@base_detect_branch(d)}"
 METADATA_REVISION := "${@base_detect_revision(d)}"
 ## }}}1
+## OE Self Test {{{1
+# Use the expected dummy kernel
+PREFERRED_PROVIDER_virtual/kernel:feature-selftest = "linux-dummy"
+
+# Remove configuration items incompatible with oe-selftest
+INHERIT:remove:feature-selftest = "buildhistory rm_work"
+PRSERV_HOST:feature-selftest = ""
+
+# Selftest demands that this variable bit even exist in the metadata, so setting
+# to the empty string is insufficient
+require conf/distro/include/no_sanity_distros.inc
+## }}}1
 ## SDK & Application Development Environment {{{1
 # Use DEPLOY_DIR_ naming for consistency
 SDK_DEPLOY:sokol-flex = "${DEPLOY_DIR_SDK}"