INFO:2026-11-05T17:44:05Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1c994e72014e..ae02bf2a525c  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 ae02bf2a525c RuntimeLibcalls: Declare vector libcall attributes in TableGen (#238227)
INFO:2026-11-05T17:44:09Z:root:syncing...
Deleted branch merge (was c4a00c7952b2).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
[merge c9a2ae8d0047] [gn build] Port 685c4c464b0f
 1 file changed, 1 insertion(+)
[merge d2f01c7f25c4] [gn build] Port d04863318a9f
 1 file changed, 1 insertion(+)
[gn build] Port 685c4c464b0f -- https://github.com/llvm/llvm-project/commit/685c4c464b0f
[gn build] Port d04863318a9f -- https://github.com/llvm/llvm-project/commit/d04863318a9f
INFO:2026-11-05T17:44:12Z:root:building
ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/6577] 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_C11= _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_STATPART= _LIBCPP_PSTL_BACKEND_STD_THREAD=1 _LIBCPP_ABI_NAMESPACE=__1 _LIBCPP_ABI_NAMESPACE_LEN=3 _LIBCPP_HAS_TIME_ZONE_DATABASE=1
unused values args:
    _LIBCPP_PSTL_BACKEND_LIBDISPATCH
    _LIBCPP_PSTL_BACKEND_STATPART
    _LIBCPP_PSTL_BACKEND_STD_THREAD
    _LIBCPP_PSTL_BACKEND_SERIAL
[2/6577] CXX obj/llvm/utils/TableGen/Basic/Basic.RuntimeLibcallsEmitter.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.