layer mapping save function implemented

CMakeLists.txt

@@ -1,15 +1,24 @@
 cmake_minimum_required(VERSION 2.8)
 
+aux_source_directory("layer-widget" SUB_SOURCES)
+set(SOURCE "main.c" "gdsparse.c" "layer-selector.c")
+
+
+set(SOURCE
+  ${SOURCE}
+  ${SUB_SOURCES}
+)
+
 find_package(PkgConfig REQUIRED)
 pkg_search_module(GLIB REQUIRED glib-2.0)
 pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
 
-include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS})
+include_directories(${GLIB_INCLUDE_DIRS} ${GTK3_INCLUDE_DIRS} "layer-widget")
 link_directories(${GLIB_LINK_DIRS} ${GTK3_LINK_DIRS})
 configure_file(glade/main.glade glade/main.glade COPYONLY)
 configure_file(glade/layer-widget.glade glade/layer-widget.glade COPYONLY)
 
 project(gds-render)
-add_executable(${PROJECT_NAME} "main.c" "gdsparse.c" "layer-element.c" "layer-selector.c")
+add_executable(${PROJECT_NAME} ${SOURCE})
 
 target_link_libraries(${PROJECT_NAME} ${GLIB_LDFLAGS} ${GTK3_LDFLAGS} m)