Fix ninja build

Do not rely on existence of CMakeFiles/${target}.dir directory existence
It is not there for custom targets in Ninja build.

support-files/CMakeLists.txt

@@ -77,11 +77,12 @@ IF(UNIX)
     IF(CHECKMODULE AND SEMODULE_PACKAGE)
       FOREACH(pol mariadb)
         SET(src ${CMAKE_CURRENT_SOURCE_DIR}/policy/selinux/${pol}.te)
-        SET(tmp ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${pol}-pp.dir/${pol}.mod)
+        SET(tmp ${CMAKE_CURRENT_BINARY_DIR}/${pol}.mod)
         SET(out ${CMAKE_CURRENT_BINARY_DIR}/${pol}.pp)
         ADD_CUSTOM_COMMAND(OUTPUT ${out}
           COMMAND ${CHECKMODULE} -M -m ${src} -o ${tmp}
           COMMAND ${SEMODULE_PACKAGE} -m ${tmp} -o ${out}
+          COMMAND ${CMAKE_COMMAND} -E remove ${tmp}
         DEPENDS ${src})
         ADD_CUSTOM_TARGET(${pol}-pp ALL DEPENDS ${out})
         INSTALL(FILES ${out} DESTINATION ${inst_location}/policy/selinux COMPONENT SupportFiles)