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75 lines
2.8 KiB
Diff
75 lines
2.8 KiB
Diff
# Swift defaults to building with `gold` on Linux because `bfd` can't correctly
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# handle Swift symbols; Gentoo no longer supports `gold`, so we have to make
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# sure that we build with `lld`.
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--- a/swift/lib/Driver/UnixToolChains.cpp
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+++ b/swift/lib/Driver/UnixToolChains.cpp
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@@ -109,36 +109,7 @@ ToolChain::InvocationInfo toolchains::GenericUnix::constructInvocation(
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return II;
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}
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-std::string toolchains::GenericUnix::getDefaultLinker() const {
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- if (getTriple().isAndroid()
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- || (getTriple().isMusl()
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- && getTriple().getVendor() == llvm::Triple::Swift))
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- return "lld";
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-
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- switch (getTriple().getArch()) {
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- case llvm::Triple::arm:
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- case llvm::Triple::aarch64:
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- case llvm::Triple::aarch64_32:
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- case llvm::Triple::armeb:
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- case llvm::Triple::thumb:
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- case llvm::Triple::thumbeb:
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- // BFD linker has issues wrt relocation of the protocol conformance
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- // section on these targets, it also generates COPY relocations for
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- // final executables, as such, unless specified, we default to gold
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- // linker.
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- return "gold";
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- case llvm::Triple::x86:
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- case llvm::Triple::x86_64:
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- case llvm::Triple::ppc64:
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- case llvm::Triple::ppc64le:
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- case llvm::Triple::systemz:
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- // BFD linker has issues wrt relocations against protected symbols.
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- return "gold";
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- default:
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- // Otherwise, use the default BFD linker.
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- return "";
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- }
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-}
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+std::string toolchains::GenericUnix::getDefaultLinker() const { return "lld"; }
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bool toolchains::GenericUnix::addRuntimeRPath(const llvm::Triple &T,
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const llvm::opt::ArgList &Args) const {
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--- a/swift-driver/Sources/SwiftDriver/Jobs/GenericUnixToolchain+LinkerSupport.swift
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+++ b/swift-driver/Sources/SwiftDriver/Jobs/GenericUnixToolchain+LinkerSupport.swift
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@@ -17,26 +17,7 @@ import struct TSCBasic.AbsolutePath
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extension GenericUnixToolchain {
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private func defaultLinker(for targetTriple: Triple) -> String? {
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- if targetTriple.os == .openbsd || targetTriple.os == .freeBSD ||
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- targetTriple.environment == .android ||
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- targetTriple.isFullyStaticLinux {
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- return "lld"
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- }
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-
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- switch targetTriple.arch {
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- case .arm, .aarch64, .armeb, .thumb, .thumbeb:
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- // BFD linker has issues wrt relocation of the protocol conformance
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- // section on these targets, it also generates COPY relocations for
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- // final executables, as such, unless specified, we default to gold
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- // linker.
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- return "gold"
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- case .x86, .x86_64, .ppc64, .ppc64le, .systemz:
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- // BFD linker has issues wrt relocations against protected symbols.
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- return "gold"
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- default:
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- // Otherwise, use the default BFD linker.
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- return ""
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- }
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+ "lld"
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}
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private func majorArchitectureName(for triple: Triple) -> String {
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