build: remove relative directory paths

CMakeLists.txt

@@ -9,6 +9,8 @@ set(CMAKE_C_EXTENSIONS OFF)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+set(fx_source_root ${CMAKE_CURRENT_SOURCE_DIR})
+set(fx_build_root ${CMAKE_CURRENT_BINARY_DIR})
 file(GLOB _all_assemblies assemblies/*
 	LIST_DIRECTORIES TRUE)
 

cmake/Templates.cmake

@@ -20,7 +20,7 @@ function(add_fx_assembly)
 	set(assembly_sources ${CMAKE_CURRENT_SOURCE_DIR}/assembly.c)
 
 	foreach (dir ${arg_NAMESPACES})
-		add_subdirectory(../../${dir} ../../namespaces/${dir})
+		add_subdirectory(${fx_source_root}/${dir} ${fx_build_root}/namespaces/${dir})
 		set(assembly_sources ${assembly_sources} ${namespace_sources})
 		set(assembly_include_paths ${assembly_include_paths} ${namespace_include_paths})
 	endforeach (dir)