| function(fetch_sdl2_library directory url filename hash) |
| if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/${filename}) |
| message(STATUS "Downloading ${filename}") |
| file(DOWNLOAD ${url}${filename} ${CMAKE_CURRENT_LIST_DIR}/${filename} |
| SHOW_PROGRESS |
| TIMEOUT 120 |
| EXPECTED_HASH SHA1=${hash} |
| TLS_VERIFY ON) |
| endif() |
| if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/${directory}) |
| message(STATUS "Extracting ${filename}") |
| if(${CMAKE_VERSION} VERSION_LESS "3.18") |
| # tar -xf should work on Windows 10 build 17063 or later (Dec 2017) |
| execute_process(COMMAND tar -xf ${filename} |
| WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}) |
| else() |
| file(ARCHIVE_EXTRACT INPUT ${CMAKE_CURRENT_LIST_DIR}/${filename} DESTINATION ${CMAKE_CURRENT_LIST_DIR}) |
| endif() |
| endif() |
| endfunction(fetch_sdl2_library) |
| |
| set(SDL2_VERSION 2.28.5) |
| set(SDL2_IMAGE_VERSION 2.8.12) |
| set(SDL2_NET_VERSION 2.2.0) |
| |
| if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/include) |
| |
| fetch_sdl2_library( |
| SDL2-${SDL2_VERSION} |
| https://github.com/libsdl-org/SDL/releases/download/release-${SDL2_VERSION}/ |
| SDL2-devel-${SDL2_VERSION}-VC.zip |
| 7469e9ea44d30a48b0510328cd94b25596e0aa0f |
| ) |
| |
| fetch_sdl2_library( |
| SDL2_image-${SDL2_IMAGE_VERSION} |
| https://github.com/libsdl-org/SDL_image/releases/download/release-${SDL2_IMAGE_VERSION}/ |
| SDL2_image-devel-${SDL2_IMAGE_VERSION}-VC.zip |
| fbb2bff20c616949b1dc2fc35bad0ec55cf9d9f8 |
| ) |
| |
| fetch_sdl2_library( |
| SDL2_net-${SDL2_NET_VERSION} |
| https://github.com/libsdl-org/SDL_net/releases/download/release-${SDL2_NET_VERSION}/ |
| SDL2_net-devel-${SDL2_NET_VERSION}-VC.zip |
| c8ff358a5c8338002b05ab6de7ce91ee1c86bd45 |
| ) |
| |
| endif() |
| |
| include(${CMAKE_CURRENT_LIST_DIR}/SDL2-${SDL2_VERSION}/cmake/sdl2-config.cmake) |
| get_property(SDL2_DLL TARGET SDL2::SDL2 PROPERTY IMPORTED_LOCATION) |
| |
| # help cmake to find the other libs |
| set(SDL2_image_DIR ${CMAKE_CURRENT_LIST_DIR}/SDL2_image-${SDL2_IMAGE_VERSION}/cmake) |
| set(SDL2_net_DIR ${CMAKE_CURRENT_LIST_DIR}/SDL2_net-${SDL2_NET_VERSION}/cmake) |
| |
| # the latest SDL2_net (2.4.0) still has cmake_minimum_required(VERSION 3.0) in its config file for VC |
| set(CMAKE_POLICY_VERSION_MINIMUM 3.5) |
