Comments (10)
madebr
commented on September 13, 2024
2
This is fixed in SDL3 and SDL2.
I didn't apply to 2.30.x because it bumps the minimum required CMake version considerably: 3.0 -> 3.24
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madebr
commented on September 13, 2024
1
Can you please share a small standalone swift cmake project using SDL that shows this problem?
I'd like to experiment with it on ci.
(I don't own apple devices)
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madebr
commented on September 13, 2024
1
Use SDL2::SDL2 and SDL2::SDL2-static instead.
The variables are only defined when using find_package.
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pusewicz
commented on September 13, 2024
@madebr Here it is: https://github.com/pusewicz/libsdl-swift-cmake-static
I've configured CI with both options of linking as static and non-static.
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madebr
commented on September 13, 2024
Thanks for the example!
I'm trying to add it to SDL3 here, but it fails with the following error:
[14/19] : && /Applications/Xcode_15.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -j 3 -num-threads 3 -emit-executable -o swift-shared -emit-dependencies -O -wmo -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -output-file-map CMakeFiles/swift-shared.dir/Release/output-file-map.json -O -wmo -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -I /Users/runner/work/SDL/SDL/cmake_prefix/include /Users/runner/work/SDL/SDL/cmake/test/main.swift -L /Users/runner/work/SDL/SDL/cmake_prefix/lib -Xlinker -rpath -Xlinker /Users/runner/work/SDL/SDL/cmake_prefix/lib /Users/runner/work/SDL/SDL/cmake_prefix/lib/libSDL3.0.dylib && :
FAILED: swift-shared CMakeFiles/swift-shared.dir/main.swift.o
: && /Applications/Xcode_15.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -j 3 -num-threads 3 -emit-executable -o swift-shared -emit-dependencies -O -wmo -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -output-file-map CMakeFiles/swift-shared.dir/Release/output-file-map.json -O -wmo -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -I /Users/runner/work/SDL/SDL/cmake_prefix/include /Users/runner/work/SDL/SDL/cmake/test/main.swift -L /Users/runner/work/SDL/SDL/cmake_prefix/lib -Xlinker -rpath -Xlinker /Users/runner/work/SDL/SDL/cmake_prefix/lib /Users/runner/work/SDL/SDL/cmake_prefix/lib/libSDL3.0.dylib && :
/Users/runner/work/SDL/SDL/cmake/test/main.swift:3:8: error: no such module 'SDL3'
import SDL3
^
error: fatalError
Do you see where it's going wrong?
Also, can you verify my modifications to main.swift?
SDL3's SDL_GetVersion returns a Uint32, and you need to apply macros to extract the major/minor/micro version number.
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pusewicz
commented on September 13, 2024
@madebr I think you might need to add cmake/test to include_directories() for Swift to find the module.modulemap. I'm new to CMake and Swift, but I had to do https://github.com/pusewicz/libsdl-swift-cmake-static/blob/main/CMakeLists.txt#L12C1-L12C21 (add ${CMAKE_CURRENT_SOURCE_DIR}).
In Swift you cannot use the C function macros. You would need to add a C wrapper with C functions using those macros to return that in Swift-land.
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pusewicz
commented on September 13, 2024
@madebr But I think you can use simple macros. So maybe you can just print SDL_VERSION?
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pusewicz
commented on September 13, 2024
@madebr Can I buy you a coffee or a beer? 🥹
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pusewicz
commented on September 13, 2024
@madebr I was just trying the newest branch, and I can't compile it, see pusewicz/libsdl-swift-cmake-static#1
Getting
[45/470] Linking Swift executable bin/StaticSDLSwift
FAILED: bin/StaticSDLSwift CMakeFiles/StaticSDLSwift.dir/main.swift.o
: && /Users/runner/hostedtoolcache/swift-macOS/5.10.1/arm64/usr/bin/swiftc -j 3 -num-threads 3 -emit-executable -o bin/StaticSDLSwift -emit-dependencies -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -output-file-map CMakeFiles/StaticSDLSwift.dir//output-file-map.json -sdk /Applications/Xcode_15.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.5.sdk -I /Users/runner/work/libsdl-swift-cmake-static/libsdl-swift-cmake-static /Users/runner/work/libsdl-swift-cmake-static/libsdl-swift-cmake-static/main.swift -static && :
error: -static may not be used with -emit-executable
Would you be able to spot what I'm doing wrong?
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pusewicz
commented on September 13, 2024
@madebr Just figured it out! Thanks for the reply!
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