ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/668] CXX obj/clang/lib/Basic/Basic.Attributes.o
FAILED: obj/clang/lib/Basic/Basic.Attributes.o 
../../chromeclang/bin/clang++ -MMD -MF obj/clang/lib/Basic/Basic.Attributes.o.d -o obj/clang/lib/Basic/Basic.Attributes.o -c ../../clang/lib/Basic/Attributes.cpp  -I../../clang/lib/Basic -I../../llvm/include -Igen/llvm/include -I../../clang/include -Igen/clang/include -Igen/clang/include/clang/Basic -Igen/llvm/include/llvm/Frontend/OpenMP -Igen/clang/lib/Basic -Igen/clang/include/clang/Sema -arch arm64 -isysroot ../../sysroot/MacOSX.sdk -mmacos-version-min=12 -mmacos-version-min=12 -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -isysroot ../../sysroot/MacOSX.sdk -Wpoison-system-directories -fPIC -Wcovered-switch-default -fno-strict-aliasing -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
../../clang/lib/Basic/Attributes.cpp:234:10: fatal error: 'clang/Basic/AttributeSpellingList.inc' file not found
#include "clang/Basic/AttributeSpellingList.inc"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[2/668] CXX obj/clang/lib/Driver/ToolChains/Driver.WebAssembly.o
[3/668] CXX obj/lld/MachO/MachO.BPSectionOrderer.o
[4/668] CXX obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.HTMLMustacheGeneratorTest.o
FAILED: obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.HTMLMustacheGeneratorTest.o 
../../chromeclang/bin/clang++ -MMD -MF obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.HTMLMustacheGeneratorTest.o.d -o obj/clang-tools-extra/unittests/clang-doc/ClangDocTests.HTMLMustacheGeneratorTest.o -c ../../clang-tools-extra/unittests/clang-doc/HTMLMustacheGeneratorTest.cpp -DGTEST_HAS_RTTI=0 -I../../clang-tools-extra/clang-doc -I../../llvm/include -Igen/llvm/include -I../../clang/include -Igen/clang/include -Igen/clang/include/clang/AST -Igen/clang/include/clang/Basic -Igen/llvm/include/llvm/Frontend/OpenMP -I../../third-party/unittest/googlemock/include -I../../third-party/unittest/googletest/include -arch arm64 -isysroot ../../sysroot/MacOSX.sdk -mmacos-version-min=12 -mmacos-version-min=12 -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -isysroot ../../sysroot/MacOSX.sdk -Wpoison-system-directories -fPIC -Wcovered-switch-default -fno-strict-aliasing -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
../../clang-tools-extra/unittests/clang-doc/HTMLMustacheGeneratorTest.cpp:12:10: fatal error: 'config.h' file not found
#include "config.h"
         ^~~~~~~~~~
1 error generated.
[5/668] CXX obj/clang/lib/Lex/Lex.ModuleMap.o
[6/668] CXX obj/lld/MachO/MachO.DriverUtils.o
[7/668] CXX obj/lld/ELF/ELF.LTO.o
[8/668] CXX obj/lld/MachO/MachO.LTO.o
[9/668] CXX obj/lld/MachO/MachO.Driver.o
[10/668] CXX obj/lld/MachO/MachO.InputFiles.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.