cmake: Use shared submodule for Clang integration

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "cmake/clang"]
+	path = cmake/clang
+	url = https://github.com/Xaymar/cmake-clang.git

CMakeLists.txt

@@ -65,11 +65,11 @@ set(PROJECT_COPYRIGHT_YEARS "2018 - 2020")
 ################################################################################
 
 # Search Path
-set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/clang" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 # CMake Modules
 include("util")
-include("ClangToolkit")
+include("Clang")
 
 # Detect Build Type
 if("${CMAKE_SOURCE_DIR}" STREQUAL "${PROJECT_SOURCE_DIR}")
@@ -528,6 +528,7 @@ add_library(${PROJECT_NAME} MODULE
 clang_format(
 	TARGETS ${PROJECT_NAME}
 	DEPENDENCY
+	VERSION 9.0.0
 )
 
 # Include Directories

cmake/ClangToolkit.cmake

@@ -1,80 +0,0 @@
-set(CLANG_PATH "" CACHE PATH "Path to Clang Toolset (if not in environment)")
-
-function(clang_format)
-	cmake_parse_arguments(
-		PARSE_ARGV 0
-		_CLANG_FORMAT
-		"DEPENDENCY;GLOBAL"
-		"REGEX"
-		"TARGETS"
-	)
-
-	find_program(CLANG_FORMAT_BIN
-		"clang-format"
-		HINTS
-			${CLANG_PATH}
-		PATHS
-			/bin
-			/sbin
-			/usr/bin
-			/usr/local/bin
-		PATH_SUFFIXES
-			bin
-			bin64
-			bin32
-	)
-	if(NOT CLANG_FORMAT_BIN)
-		message(WARNING "Clang: Could not find clang-format at path '${CLANG_FORMAT_BIN}'. Disabling clang-format...")
-		return()
-	endif()
-
-	if(NOT _CLANG_FORMAT_FILTER)
-		set(_CLANG_FORMAT_FILTER "\.(h|hpp|c|cpp)$")
-	endif()
-
-	foreach(_target ${_CLANG_FORMAT_TARGETS})
-#		get_target_property(target_name ${_target} NAME)
-
-		get_target_property(target_sources_rel ${_target} SOURCES)
-		set(target_sources "")
-		foreach(source_relative ${target_sources_rel})
-			get_filename_component(source_absolute ${source_relative} ABSOLUTE)
-			list(APPEND target_sources ${source_absolute})
-		endforeach()
-		list(FILTER target_sources INCLUDE REGEX "${_CLANG_FORMAT_FILTER}")
-		unset(target_sources_rel)
-		
-		get_target_property(target_source_dir_rel ${_target} SOURCE_DIR)
-		get_filename_component(target_source_dir ${target_source_dir_rel} ABSOLUTE)
-		unset(target_source_dir_rel)
-
-		add_custom_target(${_target}_CLANG-FORMAT
-			COMMAND
-				${CLANG_FORMAT_BIN}
-				-style=file
-				-i
-				${target_sources}
-			COMMENT
-				"clang-format: Formatting ${_target}..."
-			WORKING_DIRECTORY
-				${target_source_dir_rel}
-		)
-
-		if(_CLANG_FORMAT_DEPENDENCY)
-			add_dependencies(${_target} ${_target}_CLANG-FORMAT)
-		endif()
-
-		if(_CLANG_FORMAT_GLOBAL)
-			if(TARGET CLANG-FORMAT)
-				add_dependencies(CLANG-FORMAT ${_target}_CLANG-FORMAT)
-			else()
-				add_custom_target(CLANG-FORMAT
-					DEPENDS
-						${_target}_CLANG-FORMAT
-					COMMENT
-						"clang-format: Formatting..."
-				)
-			endif()
-		endif()
-	endforeach()
-endfunction()

cmake/clang

@@ -0,0 +1 @@
+Subproject commit 9166c8a575a2a6bf4c029cfefc84d4bbe62befc5