[clang-tools-extra] [clang-tidy] support query based custom check (PR #131804)

Wed Sep 17 03:15:33 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `clang-tools-extra` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/9815

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (build-unified-tree) failure: build (failure)
...
115.617 [1178/192/5292] Building CXX object tools/clang/tools/extra/clang-tidy/bugprone/CMakeFiles/obj.clangTidyBugproneModule.dir/StringviewNullptrCheck.cpp.o
115.704 [1177/192/5293] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/AvoidGotoCheck.cpp.o
117.501 [1176/192/5294] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/AvoidReferenceCoroutineParametersCheck.cpp.o
117.525 [1175/192/5295] Building CXX object tools/clang/tools/extra/clang-tidy/bugprone/CMakeFiles/obj.clangTidyBugproneModule.dir/BugproneTidyModule.cpp.o
119.325 [1174/192/5296] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/AvoidNonConstGlobalVariablesCheck.cpp.o
123.424 [1173/192/5297] Building AMDGPUGenPreLegalizeGICombiner.inc...
123.777 [1172/192/5298] Building AMDGPUGenMCPseudoLowering.inc...
127.626 [1171/192/5299] Building AMDGPUGenPostLegalizeGICombiner.inc...
127.697 [1170/192/5300] Building CXX object tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidy.cpp.o
128.041 [1169/192/5301] Linking CXX shared library lib/libclangTidy.so.22.0git
FAILED: lib/libclangTidy.so.22.0git 
: && /home/buildbots/llvm-external-buildbots/clang.19.1.7/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete -Wl,--color-diagnostics   -Wl,--gc-sections  -Xlinker --dependency-file=tools/clang/tools/extra/clang-tidy/CMakeFiles/clangTidy.dir/link.d -shared -Wl,-soname,libclangTidy.so.22.0git -o lib/libclangTidy.so.22.0git tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidy.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidyCheck.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidyModule.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidyDiagnosticConsumer.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidyOptions.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidyProfiling.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ExpandModularHeadersPPCallbacks.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/GlobList.cpp.o tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/NoLintDirectiveHandler.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib:"  lib/libclangTooling.so.22.0git  lib/libclangStaticAnalyzerFrontend.so.22.0git  lib/libclangStaticAnalyzerCore.so.22.0git  lib/libclangFormat.so.22.0git  lib/libclangFrontend.so.22.0git  lib/libclangSerialization.so.22.0git  lib/libclangToolingCore.so.22.0git  lib/libclangRewrite.so.22.0git  lib/libclangAnalysis.so.22.0git  lib/libclangASTMatchers.so.22.0git  lib/libclangAST.so.22.0git  lib/libclangLex.so.22.0git  lib/libclangBasic.so.22.0git  lib/libLLVMFrontendOpenMP.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib && :
ld.lld: error: undefined symbol: clang::tidy::custom::registerCustomChecks(clang::tidy::ClangTidyOptions const&, clang::tidy::ClangTidyCheckFactories&)
>>> referenced by ClangTidy.cpp
>>>               tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidy.cpp.o:(clang::tidy::ClangTidyASTConsumerFactory::ClangTidyASTConsumerFactory(clang::tidy::ClangTidyContext&, llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem>))
>>> referenced by ClangTidy.cpp
>>>               tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidy.cpp.o:(clang::tidy::ClangTidyASTConsumerFactory::createASTConsumer(clang::CompilerInstance&, llvm::StringRef))
>>> referenced by ClangTidy.cpp
>>>               tools/clang/tools/extra/clang-tidy/CMakeFiles/obj.clangTidy.dir/ClangTidy.cpp.o:(clang::tidy::getAllChecksAndOptions(bool, bool))
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
129.916 [1169/191/5302] Building AMDGPUGenRegBankGICombiner.inc...
130.732 [1169/190/5303] Building AMDGPUGenMCCodeEmitter.inc...
131.290 [1169/189/5304] Building AMDGPUGenSubtargetInfo.inc...
131.571 [1169/188/5305] Building AMDGPUGenDisassemblerTables.inc...
134.412 [1169/187/5306] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/InterfacesGlobalInitCheck.cpp.o
136.289 [1169/186/5307] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/CppCoreGuidelinesTidyModule.cpp.o
136.988 [1169/185/5308] Building CXX object tools/clang/tools/extra/clang-tidy/bugprone/CMakeFiles/obj.clangTidyBugproneModule.dir/NotNullTerminatedResultCheck.cpp.o
138.482 [1169/184/5309] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/MisleadingCaptureDefaultByValueCheck.cpp.o
138.810 [1169/183/5310] Building CXX object tools/clang/tools/extra/clang-tidy/darwin/CMakeFiles/obj.clangTidyDarwinModule.dir/DispatchOnceNonstaticCheck.cpp.o
139.045 [1169/182/5311] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/InitVariablesCheck.cpp.o
139.057 [1169/181/5312] Building AMDGPUGenSearchableTables.inc...
139.447 [1169/180/5313] Building CXX object tools/clang/tools/extra/clang-tidy/darwin/CMakeFiles/obj.clangTidyDarwinModule.dir/AvoidSpinlockCheck.cpp.o
140.016 [1169/179/5314] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/OverloadedOperatorCheck.cpp.o
140.154 [1169/178/5315] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/UseEnumClassCheck.cpp.o
140.206 [1169/177/5316] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/ProTypeUnionAccessCheck.cpp.o
140.298 [1169/176/5317] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/DefaultArgumentsCallsCheck.cpp.o
140.383 [1169/175/5318] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/MultipleInheritanceCheck.cpp.o
140.648 [1169/174/5319] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/NoMallocCheck.cpp.o
140.796 [1169/173/5320] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/ProTypeReinterpretCastCheck.cpp.o
140.939 [1169/172/5321] Building CXX object tools/clang/tools/extra/clang-tidy/google/CMakeFiles/obj.clangTidyGoogleModule.dir/UnnamedNamespaceInHeaderCheck.cpp.o
141.103 [1169/171/5322] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/ProTypeConstCastCheck.cpp.o
141.259 [1169/170/5323] Building CXX object tools/clang/tools/extra/clang-tidy/cppcoreguidelines/CMakeFiles/obj.clangTidyCppCoreGuidelinesModule.dir/ProTypeStaticCastDowncastCheck.cpp.o
141.402 [1169/169/5324] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/StaticallyConstructedObjectsCheck.cpp.o
141.539 [1169/168/5325] Building CXX object tools/clang/tools/extra/clang-tidy/llvm/CMakeFiles/obj.clangTidyLLVMModule.dir/UseRangesCheck.cpp.o
141.590 [1169/167/5326] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/TrailingReturnCheck.cpp.o
141.716 [1169/166/5327] Building CXX object tools/clang/tools/extra/clang-tidy/fuchsia/CMakeFiles/obj.clangTidyFuchsiaModule.dir/VirtualInheritanceCheck.cpp.o
141.758 [1169/165/5328] Building CXX object tools/clang/tools/extra/clang-tidy/hicpp/CMakeFiles/obj.clangTidyHICPPModule.dir/IgnoredRemoveResultCheck.cpp.o
141.810 [1169/164/5329] Building CXX object tools/clang/tools/extra/clang-tidy/hicpp/CMakeFiles/obj.clangTidyHICPPModule.dir/NoAssemblerCheck.cpp.o
142.036 [1169/163/5330] Building CXX object tools/clang/tools/extra/clang-tidy/google/CMakeFiles/obj.clangTidyGoogleModule.dir/DefaultArgumentsCheck.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/131804