[CMake] remove the generated poppler-enums.{c,h} in the clean target
ie usually when doing `make clean'
diff --git a/glib/CMakeLists.txt b/glib/CMakeLists.txt
index 1292852..bd68776 100644
--- a/glib/CMakeLists.txt
+++ b/glib/CMakeLists.txt
@@ -84,6 +84,10 @@
${CMAKE_CURRENT_BINARY_DIR}/poppler-features.h
DESTINATION include/poppler/glib)
+set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
+ "${CMAKE_CURRENT_BINARY_DIR}/poppler-enums.h ${CMAKE_CURRENT_BINARY_DIR}/poppler-enums.c"
+)
+
if (GDK_FOUND AND BUILD_GTK_TESTS)
set(test_poppler_glib_SRCS
