INFO:2026-07-28T16:36:39Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   4674ce3fe91a..462b109cbcfe  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 462b109cbcfe [clang][ExtractAPI] Fix assertion on invalid UTF-8 in doc comments (#212394)
INFO:2026-07-28T16:36:43Z:root:syncing...
Deleted branch merge (was 4674ce3fe91a).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-07-28T16:36:43Z:root:building
ninja: Entering directory `out/gn'
[1/441] COPY ../../libcxxabi/include/cxxabi.h include/c++/v1/cxxabi.h
[2/441] COPY ../../libcxxabi/include/__cxxabi_config.h include/c++/v1/__cxxabi_config.h
[3/441] AR lib/libLLVMTransformUtils.a
[4/441] ACTION //llvm/test:lit_site_cfg(//llvm/utils/gn/build/toolchain:unix)
FAILED: gen/llvm/test/lit.site.cfg.py 
python3 ../../llvm/utils/gn/build/write_cmake_config.py -o gen/llvm/test/lit.site.cfg.py ../../llvm/test/lit.site.cfg.py.in LIT_SITE_CFG_IN_HEADER=\#\#\ Autogenerated\ from\ //llvm/test/lit.site.cfg.py.in,\ do\ not\ edit\\n\\n\#\ Takes\ a\ path\ that\'s\ relative\ to\ __file__\ and\ makes\ it\ absolute.\\ndef\ path\(p\):\\n\ \ \ \ return\ os.path.abspath\(os.path.join\(__file__,\ \'..\',\ p\)\)\ if\ p\ else\ \'\' LLVM_BINARY_DIR=../../../obj/llvm LLVM_SOURCE_DIR=../../../../../llvm LLVM_TOOLS_DIR=../../../bin SHLIBDIR=../../../lib BUILD_SHARED_LIBS=0 HOST_CC=cc HOST_CXX=c++ HOST_LDFLAGS= ENABLE_BACKTRACES=1 LLVM_APPEND_VC_REV=0 LLVM_ENABLE_FFI=0 LLVM_ENABLE_HTTPLIB=0 LLVM_ENABLE_PROFCHECK=0 LLVM_FORCE_VC_REVISION= LLVM_HAS_LOGF128=0 LLVM_HAVE_OPT_VIEWER_MODULES=0 LLVM_HOST_TRIPLE=x86_64-unknown-linux-gnu LLVM_INCLUDE_DXIL_TESTS=0 LLVM_INCLUDE_SPIRV_TOOLS_TESTS=0 LLVM_LIBS_DIR=../../../lib LLVM_LINK_LLVM_DYLIB=0 LLVM_LIT_TOOLS_DIR= LLVM_IR2VEC_TEST_PYTHON_BINDINGS=0 LLVM_IR2VEC_BINDINGS_DIR= LLVM_NATIVE_ARCH=X86 LLVM_TOOL_LLVM_DRIVER_BUILD=0 LLVM_USE_INTEL_JITEVENTS=0 LLVM_USE_SANITIZER= LLVM_VERSION_MAJOR=24 LLVM_VERSION_MINOR=0 LLVM_VERSION_SUFFIX=git Python3_EXECUTABLE=python3 TARGETS_TO_BUILD=AArch64\ AMDGPU\ ARM\ AVR\ BPF\ Hexagon\ Lanai\ LoongArch\ Mips\ NVPTX\ PowerPC\ RISCV\ Sparc\ SystemZ\ WebAssembly\ X86 LLVM_TARGET_TRIPLE=x86_64-unknown-linux-gnu LLVM_LIBCXX_USED=0 LLVM_BINDINGS= LLVM_BYE_LINK_INTO_TOOLS=0 LLVM_EXAMPLEIRTRANSFORMS_LINK_INTO_TOOLS=0 HAVE_OCAMLOPT=0 OCAMLFIND=OCAMLFIND-NOTFOUND OCAMLFLAGS= LLVM_INCLUDE_EXAMPLES=0 LLVM_HAVE_OPENCSD=0 LLVM_HAVE_TF_AOT=0 LLVM_HAVE_TFLITE=0 LLVM_INLINER_MODEL_AUTOGENERATED=0 LLVM_RAEVICT_MODEL_AUTOGENERATED=0 PTXAS_EXECUTABLE= HOST_ARCH=x86_64 EXEEXT= LLVM_ENABLE_PLUGINS=1 LLVM_LIT_ERRC_MESSAGES= LLVM_PLUGIN_EXT=.so SHLIBEXT=.so HOST_OS=Linux GOLD_EXECUTABLE=ld CMAKE_OSX_SYSROOT= LD64_EXECUTABLE= ENABLE_ASSERTIONS=1 LLVM_ENABLE_DIA_SDK=0 LLVM_ENABLE_LIBXML2=1 LLVM_ENABLE_ONDISK_CAS=0 LLVM_ENABLE_EXPENSIVE_CHECKS=0 LLVM_ENABLE_THREADS=1 LLVM_ENABLE_ZLIB=1 LLVM_ENABLE_ZSTD=0 LLVM_ENABLE_CURL=0 LLVM_ENABLE_REVERSE_ITERATION=0
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 126, in <module>
    sys.exit(main())
             ~~~~^^
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 76, in main
    in_line = var_re.sub(repl, in_line)
  File "/usr/local/google/home/thakis/src/llvm-project/out/gn/../../llvm/utils/gn/build/write_cmake_config.py", line 74, in repl
    return values[key]
           ~~~~~~^^^^^
KeyError: 'CMAKE_XCRUN'
[5/441] LINK obj/clang/unittests/InstallAPI/InstallAPITests
[6/441] LINK obj/llvm/unittests/MC/X86/X86MCTests
[7/441] LINK ./bin/clang-apply-replacements
[8/441] LINK obj/clang-tools-extra/unittests/clang-apply-replacements/ClangApplyReplacementsTests
[9/441] LINK obj/clang/unittests/DependencyScanning/ClangDependencyScanningTests
[10/441] ACTION //libcxx/include:copy_headers(//llvm/utils/gn/build/toolchain:unix)
[11/441] LINK ./bin/clang-offload-bundler
[12/441] LINK obj/clang/unittests/Format/FormatTests
[13/441] LINK ./bin/llvm-mc
[14/441] LINK ./bin/llvm-profgen
[15/441] LINK ./bin/llvm-bat-dump
[16/441] LINK ./bin/clang-ssaf-linker
[17/441] LINK ./bin/clang-ssaf-analyzer
[18/441] LINK obj/clang/unittests/Lex/LexTests
[19/441] LINK ./bin/clang-ssaf-format
[20/441] LINK obj/bolt/unittests/Core/CoreTests
[21/441] LINK ./bin/clang-include-fixer
[22/441] LINK obj/clang-tools-extra/unittests/clang-query/ClangQueryTests
[23/441] LINK obj/clang/unittests/Analysis/ClangAnalysisTests
[24/441] LINK ./bin/modularize
[25/441] LINK ./bin/clang-doc
[26/441] LINK obj/clang/unittests/Rewrite/RewriteTests
[27/441] LINK ./bin/clang-query
[28/441] LINK ./bin/clang-change-namespace
[29/441] LINK obj/clang-tools-extra/unittests/clang-doc/ClangDocTests
[30/441] LINK obj/clang/unittests/Parse/ParseTests
[31/441] LINK obj/bolt/unittests/Passes/PassTests
[32/441] LINK obj/clang-tools-extra/unittests/clang-include-fixer/find-all-symbols/FindAllSymbolsTests
[33/441] LINK obj/clang-tools-extra/unittests/clang-move/ClangMoveTests
[34/441] LINK ./bin/diagtool
[35/441] LINK ./bin/clangd-remap
[36/441] LINK ./bin/llvm-bolt
[37/441] LINK ./bin/clang-extdef-mapping
[38/441] LINK ./bin/clang-reorder-fields
[39/441] LINK obj/clang-tools-extra/unittests/clang-include-fixer/ClangIncludeFixerTests
[40/441] LINK obj/clang/unittests/ASTMatchers/Dynamic/DynamicASTMatchersTests
[41/441] LINK ./bin/clang-move
[42/441] LINK obj/clang/unittests/AST/ByteCode/InterpTests
[43/441] LINK ./bin/find-all-symbols
[44/441] LINK ./bin/llvm-bolt-heatmap
[45/441] LINK obj/clang/unittests/CrossTU/CrossTUTests
[46/441] LINK ./bin/clang-refactor
[47/441] LINK obj/bolt/unittests/Profile/ProfileTests
[48/441] LINK ./bin/clang-installapi
[49/441] LINK obj/clang/unittests/ASTMatchers/ASTMatchersTests
[50/441] LINK obj/clang/unittests/Analysis/FlowSensitive/ClangAnalysisFlowSensitiveTests
[51/441] LINK ./bin/dexp
[52/441] LINK ./bin/pp-trace
[53/441] LINK ./bin/clang-sycl-linker
[54/441] LINK obj/clang/unittests/Index/IndexTests
[55/441] LINK obj/clang-tools-extra/unittests/clang-tidy/ClangTidyTests
[56/441] LINK obj/clang/unittests/AST/ASTTests
[57/441] LINK obj/clang-tools-extra/unittests/clang-change-namespace/ClangChangeNamespaceTests
[58/441] LINK obj/clang/unittests/CodeGen/ClangCodeGenTests
[59/441] LINK ./bin/clang-nvlink-wrapper
[60/441] LINK ./bin/clang-diff
[61/441] LINK ./bin/clang-linker-wrapper
[62/441] LINK ./bin/clang-import-test
[63/441] LINK ./bin/clangd
[64/441] LINK ./bin/clangd-indexer
[65/441] LINK obj/clang-tools-extra/clangd/unittests/ClangdTests
[66/441] LINK ./bin/clang-tidy
[67/441] LINK obj/clang/unittests/Driver/ClangDriverTests
[68/441] LINK ./bin/clang-check
[69/441] CXX obj/clang/lib/ExtractAPI/Serialization/ExtractAPI.SymbolGraphSerializer.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.