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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.22.1)
project(LightYears
VERSION 1.0.0
LANGUAGES C CXX
)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set (CMAKE_CXX_EXTENSIONS OFF)
option(USE_CPM "Whether to use CPM" ON)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
#Dynamically download CPM.cmake if not present
set(CPM_DOWNLOAD_VERSION 0.38.7)
if(NOT EXISTS ${CMAKE_BINARY_DIR}/cmake/CPM.cmake)
file(DOWNLOAD https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake ${CMAKE_BINARY_DIR}/cmake/CPM.cmake)
endif()
include(${CMAKE_BINARY_DIR}/cmake/CPM.cmake)
include(FetchContent)
set(SFML_LIB_NAME SFML)
if(USE_CPM)
message(STATUS "Using CPM")
include(CPM)
cpmaddpackage("gh:SFML/SFML#2.6.1")
else()
message(STATUS "Using FetchContent")
FetchContent_Declare(
${SFML_LIB_NAME}
GIT_REPOSITORY https://github.com/SFML/SFML
GIT_TAG 2.6.1
GIT_SHALLOW FALSE)
FetchContent_MakeAvailable(${SFML_LIB_NAME})
endif()
set(LIGHT_YEARS_ENGINE_TARGET_NAME LightYearsEngine)
set(LIGHT_YEARS_GAME_TARGET_NAME LightYearsGame)
add_subdirectory(LightYearsEngine)
add_subdirectory(LightYearsGame)