INFO:2025-11-28T15:16:53Z:root:pulling...
From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   80e4a3f7a6c3..3a766dcbc462  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 3a766dcbc462 [AArch64] Fix throughout of 64-bit SVE gather loads (#168572)
INFO:2025-11-28T15:16:56Z:root:syncing...
Deleted branch merge (was 80e4a3f7a6c3).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2025-11-28T15:16:57Z:root:building
ninja: Entering directory `out/gn'
[1/581] ACTION //llvm/tools/llvm-exegesis/lib/AArch64:AArch64GenExegesis(//llvm/utils/gn/build/toolchain:unix)
[2/581] ACTION //llvm/lib/Target/AArch64:AArch64GenMCPseudoLowering(//llvm/utils/gn/build/toolchain:unix)
[3/581] ACTION //llvm/lib/Target/AArch64:AArch64GenPostLegalizeGILowering(//llvm/utils/gn/build/toolchain:unix)
[4/581] ACTION //llvm/lib/Target/AArch64:AArch64GenPostLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix)
[5/581] ACTION //llvm/lib/Target/AArch64:AArch64GenO0PreLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix)
[6/581] ACTION //llvm/lib/Target/AArch64:AArch64GenPreLegalizeGICombiner(//llvm/utils/gn/build/toolchain:unix)
[7/581] ACTION //llvm/lib/Target/AArch64:AArch64GenCallingConv(//llvm/utils/gn/build/toolchain:unix)
[8/581] ACTION //llvm/lib/Target/AArch64:AArch64GenSDNodeInfo(//llvm/utils/gn/build/toolchain:unix)
[9/580] ACTION //llvm/lib/Target/AArch64:AArch64GenFastISel(//llvm/utils/gn/build/toolchain:unix)
[10/580] ACTION //llvm/lib/Target/AArch64/Disassembler:AArch64GenDisassemblerTables(//llvm/utils/gn/build/toolchain:unix)
[11/580] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenAsmWriter1(//llvm/utils/gn/build/toolchain:unix)
[12/580] ACTION //llvm/lib/Target/AArch64:AArch64GenRegisterBank(//llvm/utils/gn/build/toolchain:unix)
[13/580] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenAsmWriter(//llvm/utils/gn/build/toolchain:unix)
[14/580] 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'
[15/580] ACTION //llvm/lib/Target/AArch64/AsmParser:AArch64GenAsmMatcher(//llvm/utils/gn/build/toolchain:unix)
[16/580] ACTION //llvm/lib/Target/AArch64:AArch64GenGlobalISel(//llvm/utils/gn/build/toolchain:unix)
[17/580] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenMCCodeEmitter(//llvm/utils/gn/build/toolchain:unix)
[18/580] ACTION //llvm/include/llvm/TargetParser:AArch64TargetParserDef(//llvm/utils/gn/build/toolchain:unix)
[19/509] ACTION //llvm/lib/Target/AArch64/Utils:AArch64GenSystemOperands(//llvm/utils/gn/build/toolchain:unix)
[20/509] ACTION //llvm/lib/Target/AArch64:AArch64GenDAGISel(//llvm/utils/gn/build/toolchain:unix)
[21/509] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenRegisterInfo(//llvm/utils/gn/build/toolchain:unix)
[22/509] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenInstrInfo(//llvm/utils/gn/build/toolchain:unix)
[23/509] ACTION //llvm/lib/Target/AArch64/MCTargetDesc:AArch64GenSubtargetInfo(//llvm/utils/gn/build/toolchain:unix)
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.