INFO:2025-11-28T17:15:20Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   78defc820eef..b38ed0049500  main       -> origin/main
Switched to branch 'main'
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HEAD is now at b38ed0049500 [LLDB][PDB] Relax check for resolving breakpoint (#169932)
INFO:2025-11-28T17:15:23Z:root:syncing...
Deleted branch merge (was 78defc820eef).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2025-11-28T17:15:24Z:root:building
ninja: Entering directory `out/gn'
[1/425] AR lib/libLLVMTransformUtils.a
[2/425] AR lib/libLLVMAggressiveInstCombine.a
[3/425] AR lib/libLLVMHipStdPar.a
[4/425] AR lib/libLLVMInstCombine.a
[5/425] LINK ./bin/llvm-stress
[6/425] LINK ./bin/llvm-sim
[7/425] AR lib/libLLVMVectorize.a
[8/425] AR lib/libLLVMObjCARCOpts.a
[9/425] LINK obj/llvm/unittests/SandboxIR/SandboxIRTests
[10/425] AR lib/libLLVMInstrumentation.a
[11/425] AR lib/libLLVMScalarOpts.a
[12/425] LINK obj/llvm/unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[13/425] AR lib/libLLVMFrontendOffloading.a
[14/425] AR lib/libLLVMLinker.a
[15/425] AR lib/libLLVMFrontendOpenMP.a
[16/425] LINK obj/llvm/unittests/Transforms/Vectorize/VectorizeTests
[17/425] LINK ./bin/llvm-tli-checker
[18/425] AR lib/liblldbInterpreter.a
[19/425] 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_HAS_TERMINAL=1 _LIBCPP_INSTRUMENTED_WITH_ASAN= _LIBCPP_ABI_DEFINES= _LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE _LIBCPP_PSTL_BACKEND_LIBDISPATCH= _LIBCPP_PSTL_BACKEND_SERIAL= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_HAS_TIME_ZONE_DATABASE=
Traceback (most recent call last):
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 122, in <module>
    sys.exit(main())
  File "/Users/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 75, in main
    if values[var] == "0":
KeyError: '_LIBCPP_LIBC_PICOLIBC'
[20/425] AR lib/liblldbExpression.a
[21/425] LINK obj/llvm/unittests/Linker/LinkerTests
[22/425] AR lib/libclangAST.a
[23/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.ExecMayBeModifiedBeforeAnyUse.o
[24/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.DwarfRegMappings.o
[25/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.CSETest.o
[26/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.LiveRegUnits.o
[27/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.PALMetadata.o
[28/425] CXX obj/llvm/unittests/Target/AMDGPU/AMDGPUTests.AMDGPUUnitTests.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.