sdl2-hello-world/CMakeLists.txt

cmake_minimum_required(VERSION 3.20)

# Set your project name here
project(izanagi C)

set(CMAKE_C_STANDARD 11)

include_directories(
	"${PROJECT_SOURCE_DIR}/dependencies/SDL2/include"
	"${PROJECT_SOURCE_DIR}/dependencies/minIni/dev"
	"${PROJECT_SOURCE_DIR}/dependencies/bdd-for-c"
)

if (WIN32)
	if (CMAKE_SIZEOF_VOID_P EQUAL 8)
		set(PROJECT_ARCH x64)
	else ()
		set(PROJECT_ARCH x86)
	endif ()
endif ()

link_directories(
	"${PROJECT_SOURCE_DIR}/dependencies/SDL2/lib/${PROJECT_ARCH}"
)

add_executable(
	game
		dependencies/minIni/dev/minIni.h
		dependencies/minIni/dev/minIni.c
		src/packages/game/config/IZ_config.h
		src/packages/game/config/IZ_config.c
		src/packages/game/IZ_common.h
		src/packages/game/IZ_action.h
		src/packages/game/IZ_app.h
		src/packages/game/IZ_app.c
		src/packages/game/main.c
)
target_link_libraries(
	game
		SDL2main
		SDL2
)

add_executable(
	game-test
		dependencies/minIni/dev/minIni.h
		dependencies/minIni/dev/minIni.c
		src/packages/game/config/IZ_config.h
		src/packages/game/config/IZ_config.c
		dependencies/bdd-for-c/bdd-for-c.h
		src/packages/game-test/config/IZ_config.c
)
target_link_libraries(
	game-test
		SDL2main
		SDL2
)

if (WIN32)
	add_custom_command(TARGET game POST_BUILD
		COMMAND ${CMAKE_COMMAND} -E copy_if_different  # which executes "cmake - E copy_if_different..."
		"${PROJECT_SOURCE_DIR}/dependencies/SDL2/lib/${PROJECT_ARCH}/SDL2.dll"      # <--this is in-file
		$<TARGET_FILE_DIR:game>)                 # <--this is out-file path
endif ()