Merge pull request #15 from GPSnoopy/UnifyShaderMakeDirectory

Unify Win/Linux custom command for shader make directory.

Author: GPSnoopy

assets/CMakeLists.txt

@@ -17,20 +17,12 @@ foreach(shader ${shader_files})
 	set(compiled_shaders ${compiled_shaders} ${output_file})
 	set(compiled_shaders ${compiled_shaders} PARENT_SCOPE)
 	set_source_files_properties(${shader} PROPERTIES HEADER_FILE_ONLY TRUE)
-	if (WIN32)
         add_custom_command(
             OUTPUT ${output_file}
             COMMAND ${CMAKE_COMMAND} -E make_directory ${output_dir}
             COMMAND ${Vulkan_GLSLANG_VALIDATOR} -V ${full_path} -o ${output_file}
             DEPENDS ${full_path}
         )
-    else()
-        add_custom_command(
-            OUTPUT ${output_file}
-            COMMAND mkdir --parents ${output_dir} && ${Vulkan_GLSLANG_VALIDATOR} -V ${full_path} -o ${output_file}
-            DEPENDS ${full_path}
-        )
-    endif()
 endforeach()
 
 macro(copy_assets asset_files dir_name copied_files)