avoid submodule for macos

Author: malytomas

.gitmodules

@@ -121,6 +121,3 @@
 [submodule "externals/wamr/zydis"]
 	path = externals/wamr/zydis
 	url = https://github.com/zyantific/zydis.git
-[submodule "externals/mgl/mgl"]
-	path = externals/mgl/mgl
-	url = https://github.com/ucpu/mgl.git

externals/mgl/.gitignore

@@ -0,0 +1 @@
+/mgl

externals/mgl/CMakeLists.txt

@@ -7,16 +7,9 @@ if(NOT APPLE)
 	return()
 endif()
 
-add_subdirectory(mgl)
-
-add_library(glfw-imp STATIC IMPORTED)
-set_target_properties(glfw-imp PROPERTIES IMPORTED_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}/mgl/external/glfw/build/src/libglfw3.a")
+execute_process(COMMAND "bash" "clone.sh" WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}" COMMAND_ECHO STDOUT)
 
-add_library(glfw INTERFACE)
-target_link_libraries(glfw INTERFACE glfw-imp mgl)
-target_include_directories(glfw INTERFACE "mgl/external/glfw/include")
-
-add_dependencies(glfw mgl)
+add_subdirectory(mgl)
 
 add_library(glm INTERFACE)
 target_include_directories(glm INTERFACE "mgl/MGL/include")

externals/mgl/clone.sh

@@ -0,0 +1,4 @@
+
+if [ ! -d "mgl" ]; then
+	git clone --recursive https://github.com/ucpu/mgl.git
+fi