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Description
I just tried building the Swift 6.1 trunk Sep.4 source snapshot natively on Android 13 AArch64 with the new Android NDK 27 sysroot and it failed with this linker error:
/data/data/com.termux/files/usr/bin/clang++ -Wno-unknown-warning-option -Werror=unguarded-availability-new -fno-stack-protector -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-class-memaccess -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -Wl,--color-diagnostics -target aarch64-unknown-linux-android24 -fno-termux-rpath -fuse-ld=lld -Xlinker --build-id=sha1 -Xlinker -z -Xlinker nostart-stop-gc tools/driver/CMakeFiles/swift-frontend.dir/driver.cpp.o -o bin/swift-frontend -L/data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/./lib -L/data/data/com.termux/files/home/build/aug6/toolchain-android-aarch64/usr/lib/swift/android -L/data/data/com.termux/files/home/build/aug6/toolchain-android-aarch64/usr/lib/swift/android/aarch64 -L/data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib -Wl,-rpath,"\$ORIGIN/../lib/swift/android:/data/data/com.termux/files/usr/lib:\$ORIGIN/../lib/swift/host/compiler" -ldl -llog -lm /data/data/com.termux/files/usr/lib/libc++_shared.so /data/data/com.termux/files/home/build/aug6/toolchain-android-aarch64/usr/lib/swift/android/aarch64/swiftrt.o -lswiftCore lib/libswiftDriverTool.a lib/libswiftCompilerModules.a -lswiftCore lib/libswiftFrontendTool.a lib/libswiftDependencyScan.a lib/libswiftDependencyScanImpl.a lib/libswiftImmediate.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMMCJIT.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMOrcJIT.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMExecutionEngine.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMRuntimeDyld.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMJITLink.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMOrcTargetProcess.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMOrcShared.a lib/libswiftIndex.a lib/libswiftMigrator.a lib/libswiftPrintAsClang.a lib/libswiftFrontend.a lib/libswiftAPIDigester.a lib/libswiftConstExtract.a lib/libswiftLocalization.a lib/libswiftIRGen.a lib/libswiftLLVMPasses.a lib/libswiftSILGen.a lib/libswiftSILOptimizer.a lib/libswiftThreading.a lib/libswiftSymbolGraphGen.a lib/libswiftIDE.a lib/libswiftDriver.a lib/libswiftSerialization.a lib/libswiftSIL.a lib/libswiftSema.a lib/libswiftSerialization.a lib/libswiftSIL.a lib/libswiftSema.a lib/libswiftOption.a lib/libswiftClangImporter.a lib/libswiftParse.a lib/libswiftIDEUtilsBridging.a lib/libswiftASTGen.a lib/libswiftAST.a lib/libswiftBasic.a lib/libswiftDemangling.a /data/data/com.termux/files/usr/lib/libuuid.so lib/libswiftMarkup.a -llog /data/data/com.termux/files/usr/lib/libc++_shared.so /data/data/com.termux/files/home/build/Ninja-Release/cmark-android-aarch64/src/libcmark-gfm.a -pthread /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangFrontendTool.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangExtractAPI.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangARCMigrate.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangStaticAnalyzerFrontend.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangStaticAnalyzerCheckers.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangStaticAnalyzerCore.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangCrossTU.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangDependencyScanning.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMX86CodeGen.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMX86AsmParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMX86Desc.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMX86Disassembler.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMX86Info.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMCodeGen.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMAsmParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMDisassembler.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMDesc.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMInfo.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMARMUtils.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64CodeGen.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAsmPrinter.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCFGuard.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMGlobalISel.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMSelectionDAG.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64AsmParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64Disassembler.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64Desc.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMMCDisassembler.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64Info.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAArch64Utils.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangCodeGen.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCoverage.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMLTO.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMExtensions.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMPasses.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCoroutines.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMipo.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMInstrumentation.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMLinker.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMIRPrinter.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCodeGen.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMBitWriter.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMObjCARCOpts.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMTarget.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCodeGenTypes.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMVectorize.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangTooling.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangToolingRefactor.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangToolingRefactoring.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangIndex.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangFormat.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangToolingInclusions.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangToolingSyntax.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangToolingCore.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangRewriteFrontend.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangFrontend.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangDriver.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMWindowsDriver.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMOption.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangParse.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMRemoteCachingService.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMRemoteNullService.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangCAS.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMMCCAS.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangSerialization.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangSema.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangAPINotes.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangAnalysis.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangASTMatchers.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMFrontendHLSL.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangSupport.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangEdit.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangRewrite.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangAST.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMFrontendOpenMP.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMScalarOpts.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAggressiveInstCombine.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMInstCombine.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMTransformUtils.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAnalysis.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMProfileData.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMSymbolize.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDebugInfoDWARF.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDebugInfoPDB.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDebugInfoMSF.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDebugInfoBTF.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMObject.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMIRReader.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMBitReader.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMAsmParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMMCParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMMC.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCASUtil.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCAS.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDebugInfoCodeView.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMTextAPI.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMCore.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMRemarks.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMBitstreamReader.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMBinaryFormat.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangLex.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libclangBasic.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMTargetParser.a /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMSupport.a -ldl -lm /data/data/com.termux/files/home/build/Ninja-Release/llvm-android-aarch64/lib/libLLVMDemangle.a -lrt -lpthread /data/data/com.termux/files/usr/lib/libz.so /data/data/com.termux/files/usr/lib/libzstd.so /data/data/com.termux/files/usr/lib/libtinfo.so lib/swift/host/compiler/lib_CompilerSwiftIfConfig.so lib/swift/host/compiler/lib_CompilerSwiftCompilerPluginMessageHandling.so lib/swift/host/compiler/lib_CompilerSwiftSyntaxMacroExpansion.so lib/swift/host/compiler/lib_CompilerSwiftOperators.so lib/swift/host/compiler/lib_CompilerSwiftSyntaxMacros.so lib/swift/host/compiler/lib_CompilerSwiftSyntaxBuilder.so lib/swift/host/compiler/lib_CompilerSwiftParserDiagnostics.so lib/swift/host/compiler/lib_CompilerSwiftBasicFormat.so lib/swift/host/compiler/lib_CompilerSwiftIDEUtils.so lib/swift/host/compiler/lib_CompilerSwiftParser.so lib/swift/host/compiler/lib_CompilerSwiftDiagnostics.so lib/swift/host/compiler/lib_CompilerSwiftSyntax.so lib/lib_CompilerRegexParser.a && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-driver swift && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-driver swiftc && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-legacy-driver && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swiftc-legacy-driver && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend sil-opt && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend sil-func-extractor && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend sil-nm && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend sil-llvm-gen && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend sil-passpipeline-dumper && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-dependency-tool && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-llvm-opt && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-indent && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-symbolgraph-extract && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-autolink-extract && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-api-digester && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-cache-tool && cd /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin && /data/data/com.termux/files/usr/bin/cmake -E create_symlink swift-frontend swift-parse-test
ld.lld: error: undefined hidden symbol: void* std::__ndk1::__voidify[abi:ne180000]<swift::SILLocation>(swift::SILLocation&)
>>> referenced by Optimizer.o
>>> Optimizer.o:(swift::SILBuilder::createAllocStack(swift::SILLocation, swift::SILType, std::__ndk1::optional<swift::SILDebugVariable>, swift::HasDynamicLifetime_t, swift::IsLexical_t, swift::IsFromVarDecl_t, swift::UsesMoveableValueDebugInfo_t, bool)) in archive lib/libswiftCompilerModules.a
>>> referenced by SIL.o
>>> SIL.o:(swift::DebugValueInst::getVarInfo(bool) const) in archive lib/libswiftCompilerModules.a
>>> referenced by SIL.o
>>> SIL.o:(swift::DebugValueInst::getVarInfo(bool) const) in archive lib/libswiftCompilerModules.a
>>> referenced 2 more times
ld.lld: error: undefined hidden symbol: void* std::__ndk1::__voidify[abi:ne180000]<swift::SILDebugVariable>(swift::SILDebugVariable&)
>>> referenced by Optimizer.o
>>> Optimizer.o:(void std::__ndk1::__optional_storage_base<swift::SILDebugVariable, false>::__construct_from[abi:ne180000]<std::__ndk1::__optional_copy_base<swift::SILDebugVariable, false> const&>(std::__ndk1::__optional_copy_base<swift::SILDebugVariable, false> const&)) in archive lib/libswiftCompilerModules.a
>>> referenced by SIL.o
>>> SIL.o:(void std::__ndk1::__optional_storage_base<swift::SILDebugVariable, false>::__assign_from[abi:ne180000]<std::__ndk1::__optional_copy_assign_base<swift::SILDebugVariable, false> const&>(std::__ndk1::__optional_copy_assign_base<swift::SILDebugVariable, false> const&)) in archive lib/libswiftCompilerModules.a
ld.lld: error: undefined hidden symbol: void* std::__ndk1::__voidify[abi:ne180000]<swift::FixedOperandList<1u>>(swift::FixedOperandList<1u>&)
>>> referenced by SIL.o
>>> SIL.o:(swift::FixedOperandList<1u>* std::__ndk1::__construct_at[abi:ne180000]<swift::FixedOperandList<1u>, swift::EnumInst*, swift::SILValue&, swift::FixedOperandList<1u>*>(swift::FixedOperandList<1u>*, swift::EnumInst*&&, swift::SILValue&)) in archive lib/libswiftCompilerModules.a
ld.lld: error: undefined hidden symbol: void* std::__ndk1::__voidify[abi:ne180000]<swift::SILType>(swift::SILType&)
>>> referenced by SIL.o
>>> SIL.o:(swift::DebugValueInst::getVarInfo(bool) const) in archive lib/libswiftCompilerModules.a
>>> referenced by SIL.o
>>> SIL.o:(swift::AllocStackInst::getVarInfo(bool) const) in archive lib/libswiftCompilerModules.a
>>> referenced by SIL.o
>>> SIL.o:(swift::AllocStackInst::getVarInfo(bool) const) in archive lib/libswiftCompilerModules.a clang++: error: linker command failed with exit code 1 (use -v to see invocation)
Modifying the libc++ module map like this got it to build again:
--- a/module.modulemap 2024-09-07 08:30:49.099247434 +0530
+++ b/module.modulemap 2024-09-06 10:11:19.151172662 +0530
@@ -1537,6 +1537,7 @@
module std_private_memory_uninitialized_algorithms [system] {
header "__memory/uninitialized_algorithms.h"
export std_private_algorithm_copy
+ export std_private_memory_voidify
}
module std_private_memory_unique_ptr [system] {
header "__memory/unique_ptr.h"
This worked fine when building the Aug. 6 trunk source snapshot with the NDK 26b sysroot last month, so I looked into it and that NDK did not ship with @ian-twilightcoder's reorganization of the libc++ module map from last summer, llvm/llvm-project@571178a21. NDK 27 ships with a lightly-patched version of that upstream libc++ module map, but I don't see anything when comparing their changes to the version in swiftlang/llvm-project that would cause this error.
I also see 11 newly failing C++ Interop tests from the Swift compiler validation suite, which all worked fine last month with NDK 26b:
<testcase classname="Swift(android-aarch64).Interop/Cxx/stdlib" name="use-swift-concurrency.swift" time="3.45">
<failure><![CDATA[Script:
--
: 'RUN: at line 1'; rm -rf "/data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/test-android-aarch64/Interop/Cxx/stdlib/Output/use-swift-concurrency.swift.tmp" && mkdir -p "/data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/test-android-aarch64/Interop/Cxx/stdlib/Output/use-swift-concurrency.swift.tmp" && /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/bin/swiftc -target aarch64-unknown-linux-android -toolchain-stdlib-rpath -Xclang-linker -fno-termux-rpath -Xlinker -rpath=/data/data/com.termux/files/usr/lib -module-cache-path /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/swift-test-results/aarch64-unknown-linux-android/clang-module-cache -swift-version 4 -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 9999:macOS 9999, iOS 9999, watchOS 9999, tvOS 9999' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.0:macOS 10.14.4, iOS 12.2, watchOS 5.2, tvOS 12.2' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.1:macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.2:macOS 10.15.4, iOS 13.4, watchOS 6.2, tvOS 13.4' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.3:macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.4:macOS 11.3, iOS 14.5, watchOS 7.4, tvOS 14.5' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.5:macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.6:macOS 12.3, iOS 15.4, watchOS 8.5, tvOS 15.4' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.7:macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.8:macOS 13.3, iOS 16.4, watchOS 9.4, tvOS 16.4' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.9:macOS 14.0, iOS 17.0, watchOS 10.0, tvOS 17.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 5.10:macOS 14.4, iOS 17.4, watchOS 10.4, tvOS 17.4, visionOS 1.1' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 6.0:macOS 15.0, iOS 18.0, watchOS 11.0, tvOS 18.0, visionOS 2.0' -Xfrontend -define-availability -Xfrontend 'SwiftStdlib 6.1:macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, visionOS 9999' -module-cache-path /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/swift-test-results/aarch64-unknown-linux-android/clang-module-cache /data/data/com.termux/files/home/swift/test/Interop/Cxx/stdlib/use-swift-concurrency.swift -I /data/data/com.termux/files/home/swift/test/Interop/Cxx/stdlib/Inputs -Xfrontend -enable-experimental-cxx-interop -Xfrontend -disable-availability-checking -I /data/data/com.termux/files/home/swift-corelibs-libdispatch -I /data/data/com.termux/files/home/build/Ninja-Release/libdispatch-android-aarch64/src/swift/swift -L /data/data/com.termux/files/home/build/Ninja-Release/libdispatch-android-aarch64 -vfsoverlay /data/data/com.termux/files/home/build/Ninja-Release/libdispatch-android-aarch64/dispatch-vfs-overlay.yaml -parse-as-library -o /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/test-android-aarch64/Interop/Cxx/stdlib/Output/use-swift-concurrency.swift.tmp/a.out -module-name main && echo /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/test-android-aarch64/Interop/Cxx/stdlib/Output/use-swift-concurrency.swift.tmp/a.out && /bin/env LD_LIBRARY_PATH='/data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android:/data/data/com.termux/files/home/build/Ninja-Release/libdispatch-android-aarch64' /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/test-android-aarch64/Interop/Cxx/stdlib/Output/use-swift-concurrency.swift.tmp/a.out
--
Exit Code: 1
Command Output (stderr):
--
<unknown>:0: warning: the '-enable-experimental-cxx-interop' flag is deprecated; please pass '-cxx-interoperability-mode=' instead
<unknown>:0: note: Swift will maintain source compatibility for imported APIs based on the selected compatibility mode, so updating the Swift compiler will not change how APIs are imported
/data/data/com.termux/files/home/swift/test/Interop/Cxx/stdlib/use-swift-concurrency.swift:18:9: warning: variable 'ConcurrencyTestSuite' was never mutated; consider changing to 'let' constant
16 | @main struct Main {
17 | static func main() async {
18 | var ConcurrencyTestSuite = TestSuite("Concurrency")
| `- warning: variable 'ConcurrencyTestSuite' was never mutated; consider changing to 'let' constant
19 |
20 | ConcurrencyTestSuite.test("Task.sleep") {
ld.lld: error: undefined symbol: std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>>::~basic_string()
>>> referenced by use-swift-concurrency-df1f81.o
>>> /data/data/com.termux/files/usr/tmp/lit-tmp-2ey2ry3w/use-swift-concurrency-df1f81.o:($s4main4MainVAAyyYaFZyyYacfU0_TY3_)
>>> referenced by use-swift-concurrency-df1f81.o
>>> /data/data/com.termux/files/usr/tmp/lit-tmp-2ey2ry3w/use-swift-concurrency-df1f81.o:($s4main4MainVAAyyYaFZyyYacfU0_TY3_)
>>> referenced by use-swift-concurrency-df1f81.o
>>> /data/data/com.termux/files/usr/tmp/lit-tmp-2ey2ry3w/use-swift-concurrency-df1f81.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaVwxx)
>>> referenced 4 more times
ld.lld: error: undefined symbol: std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>>::basic_string(std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>> const&)
>>> referenced by use-swift-concurrency-df1f81.o
>>> /data/data/com.termux/files/usr/tmp/lit-tmp-2ey2ry3w/use-swift-concurrency-df1f81.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaVwcp)
>>> referenced by use-swift-concurrency-df1f81.o
>>> /data/data/com.termux/files/usr/tmp/lit-tmp-2ey2ry3w/use-swift-concurrency-df1f81.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaVwca)
ld.lld: error: undefined symbol: std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>>::~basic_string()
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:(.text+0xD60) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaV9CxxStdlibE16debugDescriptionSSvg) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaV9CxxStdlibE11descriptionSSvg) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
ld.lld: error: undefined symbol: std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>>::append(char const*, unsigned long)
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaV9CxxStdlibE2peoiyyAFz_AFtFZ) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaV9CxxStdlibE6appendyyAFF) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
>>> referenced by CxxStdlib.o
>>> CxxStdlib.o:($sSo3stdO6__ndk1O0071basic_stringCCharchar_traitsCCharallocatorCChar_mHGHsqaGJcraCCfsaqChraaV9CxxStdlibE1poiyA2F_AFtFZ) in archive /data/data/com.termux/files/home/build/Ninja-Release/swift-android-aarch64/lib/swift/android/libswiftCxxStdlib.a
clang: error: linker command failed with exit code 1 (use -v to see invocation)
<unknown>:0: error: link command failed with exit code 1 (use -v to see invocation)
--
]]></failure>
</testcase>
Since the upstream libc++ reorg shipped with the LLVM 17 release last fall and there don't appear to be any fixes merged for this issue since, I assume this doesn't affect clang/C++, only Swift->C++ Interop, so I filed the issue here.
Reproduction
See commands pasted above
Expected behavior
No linker errors
Environment
Android 13 AArch64 in the Termux app
Additional information
I'll see what other module map changes get those 11 failing C++ Interop tests to build again. In the meantime, aren't there other environments using Swift with libc++ also that fail in this way?
@egorzhdan or @ldionne, in addition to Ian, let me know what you think.