add spdlog gtest

CMakeLists.txt

@@ -8,18 +8,28 @@ set(CMAKE_CXX_STANDARD_REQUIRED True)
 include_directories(${PROJECT_SOURCE_DIR}/include)
 file(GLOB_RECURSE srcs ${PROJECT_SOURCE_DIR}/src/*.cc)
 
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
+
+include(FetchContent)
+
+include(spdlog)
+include(gtest)
+
 IF(UNIX)
 	find_package(SFML 2.5 COMPONENTS system window graphics network audio REQUIRED)
 	add_executable(${PROJECT_N} 
 		main.cc
 		${srcs}
 	)
-	target_link_libraries(${PROJECT_N}
+	target_link_libraries(${PROJECT_N} PRIVATE
 		sfml-system
 		sfml-window
 		sfml-graphics
 		sfml-network
 		sfml-audio
+
+		spdlog
+		gtest
 	)
 
 ELSE(WIN32)