Adjusted rpm packaging to allow empty manifest lists such as debug symbols

Some dependencies don't generate symbols even when BUILD_TYPE=DEBUG aka with_debugsym 0 and __strip /bin/true as options to rpmbuild.

Ticket: ENT-13016
Changelog: none

Author: craigcomstock

deps-packaging/pkg-build-rpm

@@ -76,11 +76,15 @@ if [ $TARGET != native ]; then
   exit 42
 fi
 
+# deps packages may result in binaries without debug symbols even when debugsym=yes aka BUILD_TYPE=DEBUG
+# to avoid rpmbuild errors when this occurs, allow empties
+RPMBUILD_OPTIONS="$RPMBUILD_OPTIONS --define '_empty_manifest_terminate_build 0'"
+
 case "$TESTS" in
   no)
-    RPMBUILD_OPTIONS="--define 'with_testsuite 0'";;
+    RPMBUILD_OPTIONS="$RPMBUILD_OPTIONS --define 'with_testsuite 0'";;
   yes)
-    RPMBUILD_OPTIONS="--define 'with_testsuite 1'";;
+    RPMBUILD_OPTIONS="$RPMBUILD_OPTIONS --define 'with_testsuite 1'";;
   *)
     fatal "Unknown tests option: $TESTS";;
 esac