Cleanup build files

deps/ox/CMakeLists.txt

@@ -15,29 +15,47 @@ if(OX_BUILD_EXEC STREQUAL "OFF" OR OX_USE_STDLIB STREQUAL "OFF")
 	set(OX_RUN_TESTS "OFF")
 endif()
 
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
 if(OX_USE_STDLIB STREQUAL "ON")
 	add_definitions(-DOX_USE_STDLIB)
 endif()
 
 if(NOT MSVC)
 	add_definitions(
-		-std=c++11
-		-Wall
+		-std=c++17
 		-nostdlib
 		-fno-exceptions
 		-fno-rtti
+		-Wall
+		-Wextra
 		-Wsign-compare
 		-Wunused-variable
-		#--analyze
-		#-Os # GCC size optimization flag
 	)
-
 	if (CMAKE_BUILD_TYPE STREQUAL "Release")
 		add_definitions(
 			-Werror
+			-O3
 		)
 	endif()
-endif(NOT MSVC)
+	if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+		add_definitions(
+			-fdiagnostics-color # forces colored output when using ninja
+		)
+	endif()
+endif()
+
+if (CMAKE_BUILD_TYPE STREQUAL "Release")
+	add_definitions(
+		-DNDEBUG
+	)
+else()
+	add_definitions(
+		-DDEBUG
+	)
+endif()
 
 enable_testing()