INFO:2026-03-25T18:32:41Z:root:pulling... From github.com:llvm/llvm-project * branch main -> FETCH_HEAD fe10ca41c862..a546c77478ec main -> origin/main Switched to branch 'main' Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded. (use "git pull" to update your local branch) HEAD is now at a546c77478ec [HLSL][DXIL][SPIRV] QuadReadAcrossY intrinsic support (#187440) INFO:2026-03-25T18:32:45Z:root:syncing... Deleted branch merge (was fe10ca41c862). Switched to a new branch 'merge' branch 'merge' set up to track 'origin/main'. INFO:2026-03-25T18:32:45Z:root:building ninja: Entering directory `out/gn' [1/5028] COPY ../../clang/lib/Headers/hlsl/hlsl_alias_intrinsics.h lib/clang/23/include/hlsl/hlsl_alias_intrinsics.h [2/5028] ACTION //clang/include/clang/Basic:Builtins(//llvm/utils/gn/build/toolchain:unix) [3/5028] ACTION //libcxx/include:write_config_site(//llvm/utils/gn/build/toolchain:unix) FAILED: include/c++/v1/__config_site python3 ../../llvm/utils/gn/build/write_cmake_config.py -o include/c++/v1/__config_site ../../libcxx/include/__config_site.in _LIBCPP_ABI_FORCE_ITANIUM= _LIBCPP_ABI_FORCE_MICROSOFT= _LIBCPP_ABI_VERSION=1 _LIBCPP_ASSERTION_SEMANTIC_DEFAULT=_LIBCPP_ASSERTION_SEMANTIC_HARDENING_DEPENDENT _LIBCPP_EXTRA_SITE_DEFINES= _LIBCPP_HAS_FILESYSTEM=1 _LIBCPP_HAS_THREADS=1 _LIBCPP_HAS_MONOTONIC_CLOCK=1 _LIBCPP_HAS_MUSL_LIBC= _LIBCPP_HAS_THREAD_API_PTHREAD= _LIBCPP_HAS_THREAD_API_EXTERNAL= _LIBCPP_HAS_THREAD_API_WIN32= _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS= _LIBCPP_HAS_VENDOR_AVAILABILITY_ANNOTATIONS= _LIBCPP_NO_VCRUNTIME= _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION= _LIBCPP_HAS_RANDOM_DEVICE=1 _LIBCPP_HAS_LOCALIZATION=1 _LIBCPP_HAS_UNICODE=1 _LIBCPP_HAS_WIDE_CHARACTERS=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_LIBC_PICOLIBC= _LIBCPP_LIBC_NEWLIB= _LIBCPP_LIBC_LLVM_LIBC= _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_TIME_ZONE_DATABASE=1 Traceback (most recent call last): File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in sys.exit(main()) ~~~~^^ File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 75, in main if values[var] == "0": ~~~~~~^^^^^ KeyError: '_LIBCPP_HAS_THREAD_API_C11' [4/5028] ACTION //llvm/include/llvm/IR:IntrinsicsSPIRV(//llvm/utils/gn/build/toolchain:unix) [5/5028] ACTION //llvm/include/llvm/IR:IntrinsicsS390(//llvm/utils/gn/build/toolchain:unix) [6/5028] ACTION //llvm/include/llvm/IR:IntrinsicsHexagon(//llvm/utils/gn/build/toolchain:unix) [7/5028] ACTION //llvm/include/llvm/IR:IntrinsicsAArch64(//llvm/utils/gn/build/toolchain:unix) [8/5028] ACTION //llvm/include/llvm/IR:IntrinsicsWebAssembly(//llvm/utils/gn/build/toolchain:unix) [9/5028] ACTION //llvm/include/llvm/IR:IntrinsicsPowerPC(//llvm/utils/gn/build/toolchain:unix) [10/5028] ACTION //llvm/include/llvm/IR:IntrinsicsLoongArch(//llvm/utils/gn/build/toolchain:unix) [11/5028] ACTION //llvm/include/llvm/IR:IntrinsicsRISCV(//llvm/utils/gn/build/toolchain:unix) [12/5028] ACTION //llvm/include/llvm/IR:IntrinsicsVE(//llvm/utils/gn/build/toolchain:unix) [13/5028] ACTION //llvm/include/llvm/IR:IntrinsicsNVPTX(//llvm/utils/gn/build/toolchain:unix) [14/5028] ACTION 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//llvm/lib/Target/AMDGPU/MCTargetDesc:R600GenRegisterInfo(//llvm/utils/gn/build/toolchain:unix) [25/5028] ACTION //llvm/include/llvm/IR:IntrinsicsBPF(//llvm/utils/gn/build/toolchain:unix) [26/5028] ACTION //llvm/include/llvm/TargetParser:PPCGenTargetFeatures(//llvm/utils/gn/build/toolchain:unix) [27/5027] ACTION //llvm/lib/Target/AMDGPU:R600GenDFAPacketizer(//llvm/utils/gn/build/toolchain:unix) [28/5027] ACTION //llvm/lib/Target/AMDGPU/MCTargetDesc:R600GenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix) [29/5027] ACTION //llvm/include/llvm/IR:IntrinsicsR600(//llvm/utils/gn/build/toolchain:unix) [30/5027] ACTION //llvm/include/llvm/TargetParser:ARMTargetParserDef(//llvm/utils/gn/build/toolchain:unix) [31/5027] ACTION //llvm/lib/Target/AArch64:AArch64GenSDNodeInfo(//llvm/utils/gn/build/toolchain:unix) [32/5027] ACTION //llvm/lib/Target/AMDGPU/MCTargetDesc:R600GenInstrInfo(//llvm/utils/gn/build/toolchain:unix) [33/5024] ACTION 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[42/5016] ACTION //llvm/lib/Target/AArch64:AArch64GenPreLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix) [43/5016] ACTION //llvm/lib/Target/AArch64:AArch64GenPostLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix) [44/5016] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenAsmWriter1(//llvm/utils/gn/build/toolchain:unix) [45/5016] ACTION //llvm/lib/Target/AArch64/Utils:AArch64GenSystemOperands(//llvm/utils/gn/build/toolchain:unix) [46/5016] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenRegisterInfo(//llvm/utils/gn/build/toolchain:unix) [47/5016] ACTION //llvm/lib/Target/AArch64/AsmParser:AArch64GenAsmMatcher(//llvm/utils/gn/build/toolchain:unix) [48/5016] ACTION //llvm/lib/Target/AArch64:AArch64GenFastISel(//llvm/utils/gn/build/toolchain:unix) [49/5016] ACTION //llvm/include/llvm/TargetParser:RISCVTargetParserDef(//llvm/utils/gn/build/toolchain:unix) [50/5003] ACTION //llvm/lib/Target/AArch64:AArch64GenGlobalISel(//llvm/utils/gn/build/toolchain:unix) [51/5003] ACTION //llvm/lib/Target/AArch64:AArch64GenDAGISel(//llvm/utils/gn/build/toolchain:unix) [52/5003] CXX obj/clang-tools-extra/clang-doc/support/support.Utils.o [53/5003] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix) [54/5003] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenInstrInfo(//llvm/utils/gn/build/toolchain:unix) [55/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenMCPseudoLowering(//llvm/utils/gn/build/toolchain:unix) [56/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenSDNodeInfo(//llvm/utils/gn/build/toolchain:unix) [57/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenRegBankGICombiner(//llvm/utils/gn/build/toolchain:unix) [58/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenPostLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix) [59/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenPreLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix) [60/4987] ACTION //llvm/lib/Target/AMDGPU/MCTargetDesc:AMDGPUGenMCCodeEmitter(//llvm/utils/gn/build/toolchain:unix) [61/4987] ACTION //llvm/lib/Target/AMDGPU/Utils:AMDGPUGenSearchableTables(//llvm/utils/gn/build/toolchain:unix) [62/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenCallingConv(//llvm/utils/gn/build/toolchain:unix) [63/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenDAGISel(//llvm/utils/gn/build/toolchain:unix) [64/4987] ACTION //llvm/lib/Target/AMDGPU/MCTargetDesc:AMDGPUGenInstrInfo(//llvm/utils/gn/build/toolchain:unix) [65/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenGlobalISel(//llvm/utils/gn/build/toolchain:unix) [66/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenAsmMatcher(//llvm/utils/gn/build/toolchain:unix) [67/4987] ACTION //llvm/lib/Target/AMDGPU:AMDGPUGenRegisterBank(//llvm/utils/gn/build/toolchain:unix) [68/4987] ACTION //llvm/lib/Target/AMDGPU/MCTargetDesc:AMDGPUGenRegisterInfo(//llvm/utils/gn/build/toolchain:unix) ninja: build stopped: subcommand failed. Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.