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dev-lang/swift: Always use libstdc++ when building Swift 5

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Closes: https://bugs.gentoo.org/949266
Signed-off-by: Marco Rebhan <me@dblsaiko.net>
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Marco Rebhan
2025-02-10 20:54:17 +01:00
parent a66c6fc7ab
commit e725aa5030
1 changed files with 9 additions and 0 deletions
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9
dev-lang/swift/swift-5.10.1-r3.ebuild
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@@ -196,6 +196,15 @@ src_compile() {
'-DSWIFT_USE_LINKER=lld',
'-DLLVM_USE_LINKER=lld',
# Bug 949266
# Building Swift with llvm-core/clang-common[default-libcxx] fails
# with missing symbol errors due to some libraries getting linked
# against libc++ and some against libstdc++, and when the Swift llvm is
# told to link against libc++ (via -DCLANG_DEFAULT_CXX_STDLIB=libc++),
# Swift fails to load the c++ symbols later in the build. Therefore,
# unconditionally force libstdc++.
'-DCMAKE_CXX_FLAGS=-stdlib=libstdc++',
# We don't need to build any test code or test executables, which Swift
# (and some components) does by default.
'-DBUILD_TESTING:BOOL=NO',