CMakeLists.txt

cmake_minimum_required(VERSION 3.9 FATAL_ERROR)

project(mm_template CXX C)

#set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

if(NOT CMAKE_BUILD_TYPE)
	set(CMAKE_BUILD_TYPE "Debug")
endif()

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")

# auto enable LTO for releases
if(CMAKE_BUILD_TYPE STREQUAL "Release" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
	include(CheckIPOSupported)
	check_ipo_supported(RESULT HAVE_LTO)
	if(HAVE_LTO)
		set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
		message(STATUS "Enabled LTO")
	else()
		message(STATUS "LTO not supported")
	endif()
endif()

option(BUILD_TESTING "Enable testing with ctest." OFF)

#add_subdirectory("external/argh")

include("${CMAKE_CURRENT_LIST_DIR}/external/MushMachine/mm_options_and_defines.cmake")
add_subdirectory("external/MushMachine" EXCLUDE_FROM_ALL)

#add_subdirectory("external/mushmachine_box2d" EXCLUDE_FROM_ALL)
#add_subdirectory("external/fx_draw")

# Bump up warning levels appropriately for clang, gcc & msvc
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
	add_compile_options(
		-Wall -Wextra # Reasonable and standard
		-Wpedantic # Warn if non-standard C++ is used
		-Wunused # Warn on anything being unused
		#-Wconversion # Warn on type conversions that may lose data
		#-Wsign-conversion # Warn on sign conversions
		-Wshadow # Warn if a variable declaration shadows one from a parent context
	)

	#link_libraries(-fsanitize=address,undefined)
	#link_libraries(-fsanitize=undefined)
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC")
	if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
		string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
	else()
		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
	endif()
endif()

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")

add_subdirectory("src")