mirror of
https://github.com/dingusdev/dingusppc.git
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85 lines
3.2 KiB
Markdown
85 lines
3.2 KiB
Markdown
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CMake
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================================================================================
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(www.cmake.org)
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SDL's build system was traditionally based on autotools. Over time, this
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approach has suffered from several issues across the different supported
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platforms.
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To solve these problems, a new build system based on CMake is under development.
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It works in parallel to the legacy system, so users can experiment with it
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without complication.
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While still experimental, the build system should be usable on the following
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platforms:
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* FreeBSD
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* Linux
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* VS.NET 2010
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* MinGW and Msys
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* macOS, iOS, and tvOS, with support for XCode
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================================================================================
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Usage
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================================================================================
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Assuming the source for SDL is located at ~/sdl
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cd ~
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mkdir build
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cd build
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cmake ../sdl
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This will build the static and dynamic versions of SDL in the ~/build directory.
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================================================================================
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Usage, iOS/tvOS
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================================================================================
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CMake 3.14+ natively includes support for iOS and tvOS. SDL binaries may be built
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using Xcode or Make, possibly among other build-systems.
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When using a recent version of CMake (3.14+), it should be possible to:
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- build SDL for iOS, both static and dynamic
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- build SDL test apps (as iOS/tvOS .app bundles)
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- generate a working SDL_config.h for iOS (using SDL_config.h.cmake as a basis)
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To use, set the following CMake variables when running CMake's configuration stage:
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- `CMAKE_SYSTEM_NAME=<OS>` (either `iOS` or `tvOS`)
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- `CMAKE_OSX_SYSROOT=<SDK>` (examples: `iphoneos`, `iphonesimulator`, `iphoneos12.4`, `/full/path/to/iPhoneOS.sdk`,
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`appletvos`, `appletvsimulator`, `appletvos12.4`, `/full/path/to/AppleTVOS.sdk`, etc.)
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- `CMAKE_OSX_ARCHITECTURES=<semicolon-separated list of CPU architectures>` (example: "arm64;armv7s;x86_64")
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### Examples (for iOS/tvOS):
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- for iOS-Simulator, using the latest, installed SDK:
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
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- for iOS-Device, using the latest, installed SDK, 64-bit only
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES=arm64`
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- for iOS-Device, using the latest, installed SDK, mixed 32/64 bit
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES="arm64;armv7s"`
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- for iOS-Device, using a specific SDK revision (iOS 12.4, in this example):
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos12.4 -DCMAKE_OSX_ARCHITECTURES=arm64`
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- for iOS-Simulator, using the latest, installed SDK, and building SDL test apps (as .app bundles):
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`cmake ~/sdl -DSDL_TEST=1 -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
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- for tvOS-Simulator, using the latest, installed SDK:
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
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- for tvOS-Device, using the latest, installed SDK:
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`cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_ARCHITECTURES=arm64`
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