From 6aaedb813fa11ba0679c3051bc2eb28646b9506c Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 30 Aug 2025 16:53:58 -0700 Subject: Update to SDL3 --- src/contrib/SDL-2.30.2/docs/README-cmake.md | 163 ---------------------------- 1 file changed, 163 deletions(-) delete mode 100644 src/contrib/SDL-2.30.2/docs/README-cmake.md (limited to 'src/contrib/SDL-2.30.2/docs/README-cmake.md') diff --git a/src/contrib/SDL-2.30.2/docs/README-cmake.md b/src/contrib/SDL-2.30.2/docs/README-cmake.md deleted file mode 100644 index cfd4066..0000000 --- a/src/contrib/SDL-2.30.2/docs/README-cmake.md +++ /dev/null @@ -1,163 +0,0 @@ -# CMake - -(www.cmake.org) - -SDL's build system was traditionally based on autotools. Over time, this -approach has suffered from several issues across the different supported -platforms. -To solve these problems, a new build system based on CMake was introduced. -It is developed in parallel to the legacy autotools build system, so users -can experiment with it without complication. - -The CMake build system is supported on the following platforms: - -* FreeBSD -* Linux -* Microsoft Visual C -* MinGW and Msys -* macOS, iOS, and tvOS, with support for XCode -* Android -* Emscripten -* RiscOS -* Playstation Vita - -## Building SDL - -Assuming the source for SDL is located at `~/sdl` -```sh -cd ~ -mkdir build -cd build -cmake ~/sdl -cmake --build . -``` - -This will build the static and dynamic versions of SDL in the `~/build` directory. -Installation can be done using: - -```sh -cmake --install . # '--install' requires CMake 3.15, or newer -``` - -## Including SDL in your project - -SDL can be included in your project in 2 major ways: -- using a system SDL library, provided by your (*nix) distribution or a package manager -- using a vendored SDL library: this is SDL copied or symlinked in a subfolder. - -The following CMake script supports both, depending on the value of `MYGAME_VENDORED`. - -```cmake -cmake_minimum_required(VERSION 3.5) -project(mygame) - -# Create an option to switch between a system sdl library and a vendored sdl library -option(MYGAME_VENDORED "Use vendored libraries" OFF) - -if(MYGAME_VENDORED) - add_subdirectory(vendored/sdl EXCLUDE_FROM_ALL) -else() - # 1. Look for a SDL2 package, 2. look for the SDL2 component and 3. fail if none can be found - find_package(SDL2 REQUIRED CONFIG REQUIRED COMPONENTS SDL2) - - # 1. Look for a SDL2 package, 2. Look for the SDL2maincomponent and 3. DO NOT fail when SDL2main is not available - find_package(SDL2 REQUIRED CONFIG COMPONENTS SDL2main) -endif() - -# Create your game executable target as usual -add_executable(mygame WIN32 mygame.c) - -# SDL2::SDL2main may or may not be available. It is e.g. required by Windows GUI applications -if(TARGET SDL2::SDL2main) - # It has an implicit dependency on SDL2 functions, so it MUST be added before SDL2::SDL2 (or SDL2::SDL2-static) - target_link_libraries(mygame PRIVATE SDL2::SDL2main) -endif() - -# Link to the actual SDL2 library. SDL2::SDL2 is the shared SDL library, SDL2::SDL2-static is the static SDL libarary. -target_link_libraries(mygame PRIVATE SDL2::SDL2) -``` - -### A system SDL library - -For CMake to find SDL, it must be installed in [a default location CMake is looking for](https://cmake.org/cmake/help/latest/command/find_package.html#config-mode-search-procedure). - -The following components are available, to be used as an argument of `find_package`. - -| Component name | Description | -|----------------|--------------------------------------------------------------------------------------------| -| SDL2 | The SDL2 shared library, available through the `SDL2::SDL2` target [^SDL_TARGET_EXCEPTION] | -| SDL2-static | The SDL2 static library, available through the `SDL2::SDL2-static` target | -| SDL2main | The SDL2main static library, available through the `SDL2::SDL2main` target | -| SDL2test | The SDL2test static library, available through the `SDL2::SDL2test` target | - -### Using a vendored SDL - -This only requires a copy of SDL in a subdirectory. - -## CMake configuration options for platforms - -### iOS/tvOS - -CMake 3.14+ natively includes support for iOS and tvOS. SDL binaries may be built -using Xcode or Make, possibly among other build-systems. - -When using a recent version of CMake (3.14+), it should be possible to: - -- build SDL for iOS, both static and dynamic -- build SDL test apps (as iOS/tvOS .app bundles) -- generate a working SDL_config.h for iOS (using SDL_config.h.cmake as a basis) - -To use, set the following CMake variables when running CMake's configuration stage: - -- `CMAKE_SYSTEM_NAME=` (either `iOS` or `tvOS`) -- `CMAKE_OSX_SYSROOT=` (examples: `iphoneos`, `iphonesimulator`, `iphoneos12.4`, `/full/path/to/iPhoneOS.sdk`, - `appletvos`, `appletvsimulator`, `appletvos12.4`, `/full/path/to/AppleTVOS.sdk`, etc.) -- `CMAKE_OSX_ARCHITECTURES=` (example: "arm64;armv7s;x86_64") - - -#### Examples - -- for iOS-Simulator, using the latest, installed SDK: - - ```bash - cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64 - ``` - -- for iOS-Device, using the latest, installed SDK, 64-bit only - - ```bash - cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES=arm64 - ``` - -- for iOS-Device, using the latest, installed SDK, mixed 32/64 bit - - ```cmake - cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES="arm64;armv7s" - ``` - -- for iOS-Device, using a specific SDK revision (iOS 12.4, in this example): - - ```cmake - cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos12.4 -DCMAKE_OSX_ARCHITECTURES=arm64 - ``` - -- for iOS-Simulator, using the latest, installed SDK, and building SDL test apps (as .app bundles): - - ```cmake - cmake ~/sdl -DSDL_TESTS=1 -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64 - ``` - -- for tvOS-Simulator, using the latest, installed SDK: - - ```cmake - cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_ARCHITECTURES=x86_64 - ``` - -- for tvOS-Device, using the latest, installed SDK: - - ```cmake - cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_ARCHITECTURES=arm64` - ``` - - -[^SDL_TARGET_EXCEPTION]: `SDL2::SDL2` can be an ALIAS to a static `SDL2::SDL2-static` target for multiple reasons. -- cgit v1.2.3