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llvm-project/clang-tools-extra/clangd
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Aleksandr Platonov f306e0aeb2
Revert "[clangd] Add feature modules registry" (#154711) 
Reverts llvm/llvm-project#153756

It leads to new build bot failure.
https://lab.llvm.org/buildbot/#/builders/145/builds/9200

```
BUILD FAILED: failed build (failure)

Step 5 (build-unified-tree) failure: build (failure) ...
254.983 [140/55/1504] Building CXX object tools/clang/tools/extra/clangd/tool/CMakeFiles/obj.clangdMain.dir/ClangdMain.cpp.o
FAILED: tools/clang/tools/extra/clangd/tool/CMakeFiles/obj.clangdMain.dir/ClangdMain.cpp.o
ccache /home/buildbots/llvm-external-buildbots/clang.19.1.7/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/tools/clang/tools/extra/clangd/tool -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/tool -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/../include-cleaner/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/tools/clang/tools/extra/clangd/../clang-tidy -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-
 rhel-test/clang-ppc64le-rhel/build/tools/clang/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/tools/clang/tools/extra/clangd -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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/tools/extra/clangd/tool/CMakeFiles/obj.clangdMain.dir/ClangdMain.cpp.o -MF tools/clang/tools/extra/clangd/tool/CMakeFiles/obj.clangdMain.dir/ClangdMain.cpp.o.d -o tools/clang/tools/extra/clangd/tool/CMakeFiles/obj.clangdMain.dir/ClangdMain.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/tool/ClangdMain.cpp
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/tool/ClangdMain.cpp:10:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/ClangdLSPServer.h:12:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/ClangdServer.h:12:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/CodeComplete.h:18:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/ASTSignals.h:12:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/ParsedAST.h:23:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/CollectMacros.h:12:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/Protocol.h:26:
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/URI.h:14:
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include/llvm/Support/Registry.h:110:47: error: instantiation of variable 'llvm::Registry<clang::clangd::FeatureModule>::Head' required here, but no definition is available [-Werror,-Wundefined-var-template]
  110 |     static iterator begin() { return iterator(Head); }
      |                                               ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include/llvm/Support/Registry.h:114:25: note: in instantiation of member function 'llvm::Registry<clang::clangd::FeatureModule>::begin' requested here
  114 |       return make_range(begin(), end());
      |                         ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/clang-tools-extra/clangd/tool/ClangdMain.cpp:1021:64: note: in instantiation of member function 'llvm::Registry<clang::clangd::FeatureModule>::entries' requested here
 1021 |   for (FeatureModuleRegistry::entry E : FeatureModuleRegistry::entries()) {
      |                                                                ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include/llvm/Support/Registry.h:61:18: note: forward declaration of template entity is here
   61 |     static node *Head;
      |                  ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include/llvm/Support/Registry.h:110:47: note: add an explicit instantiation declaration to suppress this warning if 'llvm::Registry<clang::clangd::FeatureModule>::Head' is explicitly instantiated in another translation unit
  110 |     static iterator begin() { return iterator(Head); }
      |                                               ^
1 error generated.
```

I need some time to fix this in a correct way
2025-08-21 13:02:06 +02:00
..
benchmarks
[clangd] support outgoing calls in call hierarchy (#117673)
2024-12-05 10:10:42 +01:00
fuzzer
[clangd] Fix shared lib builds
2023-01-20 08:57:21 +01:00
index
[clang] Default-construct values with DenseMap::try_emplace (NFC) (#141373)
2025-05-24 14:47:18 -07:00
indexer
[clangd] Add --query-driver flag to clangd-indexer
2023-08-24 11:51:59 -04:00
quality
[NFC][Py Reformat] Reformat python files in clang and clang-tools-extra
2023-05-23 08:29:52 +02:00
refactor
[clang-tools-extra] Replace SmallSet with SmallPtrSet (NFC) (#154365)
2025-08-19 09:09:03 -07:00
support
[clangd] introduce doxygen parser (#150790)
2025-08-08 16:07:36 +02:00
test
[clangd] Clangd running with --experimental-modules-support crashes when the compilation database is unavailable (#153802)
2025-08-19 10:19:13 +08:00
tool
Revert "[clangd] Add feature modules registry" (#154711)
2025-08-21 13:02:06 +02:00
unittests
[clang][CodeComplete] Consider qualifiers of explicit object parameters in overload suggestions (#154041)
2025-08-21 02:32:41 -04:00
xpc
[clang-tools-extra] Fix add_clang_library usage (#109321)
2024-10-08 09:22:19 +03:00
AST.cpp
[clang-tools-extra] Replace SmallSet with SmallPtrSet (NFC) (#154365)
2025-08-19 09:09:03 -07:00
AST.h
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
ASTSignals.cpp
[clangd] Full support for #import insertions
2023-01-09 09:48:30 -05:00
ASTSignals.h
[clangd] Full support for #import insertions
2023-01-09 09:48:30 -05:00
ClangdLSPServer.cpp
[clangd] Improve Markup Rendering (#140498)
2025-07-25 02:45:56 +02:00
ClangdLSPServer.h
[clangd] Add support for textDocument/rangesFormatting (#141208)
2025-05-26 10:08:18 +02:00
ClangdServer.cpp
[clangd] Add support for textDocument/rangesFormatting (#141208)
2025-05-26 10:08:18 +02:00
ClangdServer.h
[clangd] Add support for textDocument/rangesFormatting (#141208)
2025-05-26 10:08:18 +02:00
CMakeLists.txt
[NFC][CMake] quote ${CMAKE_SYSTEM_NAME} consistently (#154537)
2025-08-20 12:45:41 -04:00
CodeComplete.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
CodeComplete.h
[clangd] Add CodePatterns config option under Completion (#137613)
2025-05-12 14:22:27 -04:00
CodeCompletionStrings.cpp
[clangd] introduce doxygen parser (#150790)
2025-08-08 16:07:36 +02:00
CodeCompletionStrings.h
[clangd][CodeComplete] Improve FunctionCanBeCall
2023-09-28 21:42:02 +08:00
CollectMacros.cpp
[clangd] Avoid round-trip from SourceLocation to clangd::Range and back in SymbolCollector::handleMacros() (#127757)
2025-02-19 12:57:38 -05:00
CollectMacros.h
[clangd] Avoid round-trip from SourceLocation to clangd::Range and back in SymbolCollector::handleMacros() (#127757)
2025-02-19 12:57:38 -05:00
CompileCommands.cpp
[clang-tools-extra] Use llvm::is_contained (NFC) (#140456)
2025-05-18 09:46:15 -07:00
CompileCommands.h
[clangd] Expand response files before CDB interpolation (#75753)
2023-12-19 03:25:48 -05:00
Compiler.cpp
Reapply "[clang] Remove intrusive reference count from DiagnosticOptions (#139584)"
2025-05-22 12:52:03 -07:00
Compiler.h
[clangd] Enable parsing of forwarding functions in the preamble by default (#127359)
2025-02-18 00:59:45 -05:00
Config.cpp
[clangd] config() -> Config::current to avoid confict with NS
2020-06-29 23:05:19 +02:00
Config.h
[clangd] Improve Markup Rendering (#140498)
2025-07-25 02:45:56 +02:00
ConfigCompile.cpp
[clangd] Improve Markup Rendering (#140498)
2025-07-25 02:45:56 +02:00
ConfigFragment.h
[clangd] Use resolved path when checking AngledHeaders/QuotedHeaders in IncludeInserter (#148371)
2025-08-08 03:57:28 -04:00
ConfigProvider.cpp
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-02 16:17:40 -08:00
ConfigProvider.h
[clangd] Clean up unused includes. NFCI
2022-02-26 12:00:16 +01:00
ConfigYAML.cpp
[clangd] Improve Markup Rendering (#140498)
2025-07-25 02:45:56 +02:00
DecisionForest.cpp
[clangd] NFC. Add a newline at the end of the file
2022-12-09 12:31:50 +01:00
Diagnostics.cpp
[clang-tools-extra] Use llvm::replace (NFC) (#140200)
2025-05-16 07:30:46 -07:00
Diagnostics.h
[clang] Extend diagnose_if to accept more detailed warning information, take 2 (#119712)
2025-01-28 08:41:31 +01:00
DraftStore.cpp
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-07 20:19:42 -08:00
DraftStore.h
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-07 20:19:42 -08:00
DumpAST.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
DumpAST.h
[clang] Forward-declare DynTypedNode (NFC)
2022-01-23 13:28:04 -08:00
ExpectedTypes.cpp
[clangd] Use SmallString::operator std::string (NFC)
2024-01-24 22:11:54 -08:00
ExpectedTypes.h
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-07 20:19:42 -08:00
Feature.cpp
[NFC] Add explicit #include llvm-config.h where its macros are used, clang part. (#107301)
2024-09-06 16:41:24 +02:00
Feature.h
[clangd] Rename Features.h -> Feature.h to avoid confilct with libstdc++
2021-08-06 18:56:41 +02:00
FeatureModule.cpp
Revert "[clangd] Add feature modules registry" (#154711)
2025-08-21 13:02:06 +02:00
FeatureModule.h
Revert "[clangd] Add feature modules registry" (#154711)
2025-08-21 13:02:06 +02:00
Features.inc.in
[clangd] Fix a typo "Features.h" => "Feature.h" in IWYU pragma.
2022-12-12 13:46:19 +01:00
FileDistance.cpp
[clangd] Use StringRef::{starts,ends}_with (NFC)
2023-12-13 23:26:09 -08:00
FileDistance.h
[clangd] Clean up unused includes. NFCI
2022-02-26 12:00:16 +01:00
FindSymbols.cpp
[clangd] Make inline friend functions appear in document symbols (#150629)
2025-07-30 10:43:32 +02:00
FindSymbols.h
[clang-tools-extra] NFC: Fix trivial typo in documents and comments
2020-04-05 15:28:40 +09:00
FindTarget.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
FindTarget.h
[clang][Sema] Upstream HeuristicResolver from clangd (#121314)
2025-01-17 17:01:00 -05:00
Format.cpp
[clangd] Revert the change concerning new lines
2024-06-30 02:04:44 +00:00
Format.h
[clangd] Clean up unused includes. NFCI
2022-02-26 12:00:16 +01:00
FS.cpp
Revert "[SystemZ][z/OS] Propagate IsText parameter to open text files as text (#107906)"
2024-09-20 08:18:16 -04:00
FS.h
[clangd] Store paths as requested in PreambleStatCache
2023-05-23 14:30:58 +02:00
FuzzyMatch.cpp
[llvm][ADT] Replace uses of makeMutableArrayRef with deduction guides
2023-01-16 14:49:37 -07:00
FuzzyMatch.h
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-02 16:17:40 -08:00
GlobalCompilationDatabase.cpp
[clangd] Clangd running with --experimental-modules-support crashes when the compilation database is unavailable (#153802)
2025-08-19 10:19:13 +08:00
GlobalCompilationDatabase.h
[clangd] Support .clangd command line modifications for C++ modules (#122606)
2025-01-22 17:27:28 +08:00
Headers.cpp
[clangd] Use resolved path when checking AngledHeaders/QuotedHeaders in IncludeInserter (#148371)
2025-08-08 03:57:28 -04:00
Headers.h
[clangd] Allow specifying what headers are always included via "" or <> (#67749)
2024-12-27 14:14:29 -05:00
HeaderSourceSwitch.cpp
[clangd][NFC] Make some local variables HeaderSourceSwitch.cpp const and constexpr (#143193)
2025-08-03 00:23:19 -04:00
HeaderSourceSwitch.h
[clang-tools-extra] Remove remaining uses of llvm::Optional (NFC)
2023-01-07 20:34:53 -08:00
Hover.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
Hover.h
[clangd] introduce doxygen parser (#150790)
2025-08-08 16:07:36 +02:00
IncludeCleaner.cpp
Follow style configuration in clangd when inserting missing includes (#140594)
2025-06-05 11:36:01 +02:00
IncludeCleaner.h
Follow style configuration in clangd when inserting missing includes (#140594)
2025-06-05 11:36:01 +02:00
IncludeFixer.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
IncludeFixer.h
[clangd] Full support for #import insertions
2023-01-09 09:48:30 -05:00
InlayHints.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
InlayHints.h
[clangd] Improve BlockEnd inlayhint presentation (#136106)
2025-04-23 02:36:48 -04:00
JSONTransport.cpp
[llvm][Support] Add and use errnoAsErrorCode (#84423)
2024-03-08 23:30:33 -08:00
LSPBinder.h
[clangd] Bind outgoing calls through LSPBinder too. NFC
2021-02-17 10:56:06 +01:00
ModulesBuilder.cpp
[clang][modules] Serialize CodeGenOptions (#146422)
2025-07-15 12:45:09 -07:00
ModulesBuilder.h
[clangd] [Modules] Support Reusable Modules Builder (#106683)
2024-11-12 17:45:05 +08:00
ParsedAST.cpp
Follow style configuration in clangd when inserting missing includes (#140594)
2025-06-05 11:36:01 +02:00
ParsedAST.h
[clang][Sema] Upstream HeuristicResolver from clangd (#121314)
2025-01-17 17:01:00 -05:00
PathMapping.cpp
[clangd] Use StringRef::{starts,ends}_with (NFC)
2023-12-13 23:26:09 -08:00
PathMapping.h
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-02 16:17:40 -08:00
Preamble.cpp
NFC: Clean up of IntrusiveRefCntPtr construction from raw pointers. (#151545)
2025-07-31 15:07:35 -04:00
Preamble.h
[clang] Hide the TargetOptions pointer from CompilerInvocation (#106271)
2025-04-28 07:43:26 -07:00
ProjectModules.h
[clangd] [C++20] [Modules] Add scanning cache (#125988)
2025-02-26 16:03:04 +08:00
Protocol.cpp
[clangd] Implement LSP 3.17 positionEncoding (#142903)
2025-06-17 19:23:14 +02:00
Protocol.h
[clangd] Implement LSP 3.17 positionEncoding (#142903)
2025-06-17 19:23:14 +02:00
Quality.cpp
[Clang][AST][NFC] (RecordDecl -> CXXRecordDecl)::isInjectedClassName (#148195)
2025-07-12 21:13:30 +08:00
Quality.h
[clang-tools-extra] Use std::optional instead of llvm::Optional (NFC)
2023-01-07 20:19:42 -08:00
README.md
[Branch-Rename] Fix some links
2021-02-01 16:43:21 +05:30
RIFF.cpp
[clangd] Add error() function for creating formatv-style llvm::Errors. NFC
2020-09-14 10:43:42 +02:00
RIFF.h
[clangd] Clean up unused includes. NFCI
2022-02-26 12:00:16 +01:00
ScanningProjectModules.cpp
[clangd] [C++20] [Modules] Add scanning cache (#125988)
2025-02-26 16:03:04 +08:00
ScanningProjectModules.h
[clangd] [C++20] [Modules] Introduce initial support for C++20 Modules (#66462)
2024-07-18 10:10:22 +08:00
Selection.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
Selection.h
[VFS] Avoid <stack> include (NFC)
2024-06-21 15:17:41 +02:00
SemanticHighlighting.cpp
[clang] Improve nested name specifier AST representation (#147835)
2025-08-09 05:06:53 -03:00
SemanticHighlighting.h
[clangd] Add semantic token for labels
2023-06-07 12:28:06 +02:00
SemanticSelection.cpp
Remove clang-pseudo (#109154)
2024-09-19 07:54:06 -04:00
SemanticSelection.h
FoldingRanges: Handle LineFoldingsOnly clients.
2022-08-29 19:03:48 +02:00
SourceCode.cpp
[clangd] Use llvm::unique (NFC) (#136470)
2025-04-19 20:34:03 -07:00
SourceCode.h
[clangd] Avoid libFormat's objective-c guessing heuristic where possible (#84133)
2024-03-11 04:16:45 -04:00
SymbolDocumentation.cpp
[clangd] introduce doxygen parser (#150790)
2025-08-08 16:07:36 +02:00
SymbolDocumentation.h
[clangd] introduce doxygen parser (#150790)
2025-08-08 16:07:36 +02:00
SystemIncludeExtractor.cpp
NFC: Clean up of IntrusiveRefCntPtr construction from raw pointers. (#151545)
2025-07-31 15:07:35 -04:00
TidyFastChecks.inc
[clangd] Update TidyFastChecks for release/19.x (#106354)
2024-09-02 15:25:26 +02:00
TidyFastChecks.py
[NFC][Py Reformat] Reformat python files in clang and clang-tools-extra
2023-05-23 08:29:52 +02:00
TidyProvider.cpp
[clangd] Disable cppcoreguidelines-macro-to-enum clang-tidy checker (#129478)
2025-03-04 03:46:54 -05:00
TidyProvider.h
[clangd] Fix use-after-free issues in TidyProvider.cpp (#114808)
2024-11-05 12:01:04 +01:00
Transport.h
[clangd] Fix some header guard names, NFC
2022-12-13 10:00:51 +01:00
TUScheduler.cpp
[NFC] Complete proper copying and resource cleanup in classes. (#118655)
2024-12-05 10:16:51 -05:00
TUScheduler.h
[NFC] Complete proper copying and resource cleanup in classes. (#118655)
2024-12-05 10:16:51 -05:00
URI.cpp
[clangd] Use StringRef::{starts,ends}_with (NFC)
2023-12-13 23:26:09 -08:00
URI.h
Reland 'Update llvm::Registry to work for LLVM shared library builds on windows' (#109024) (#112640)
2024-10-22 10:29:27 +03:00
XRefs.cpp
[clang-tools-extra] Replace SmallSet with SmallPtrSet (NFC) (#154365)
2025-08-19 09:09:03 -07:00
XRefs.h
[clangd] support outgoing calls in call hierarchy (#117673)
2024-12-05 10:10:42 +01:00

README.md

clangd

clangd is a language server, and provides C++ IDE features to editors. This is not its documentation.

Communication channels

If you have any questions or feedback, you can reach community and developers through one of these channels:

Building and testing clangd

For a minimal setup on building clangd:

  • Clone the LLVM repo to $LLVM_ROOT.

  • Create a build directory, for example at $LLVM_ROOT/build.

  • Inside the build directory run: cmake $LLVM_ROOT/llvm/ -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra".

    • We suggest building in Release mode as building DEBUG binaries requires considerably more resources. You can check Building LLVM with CMake documentation for more details about cmake flags.
    • In addition to that using Ninja as a generator rather than default make is preferred. To do that consider passing -G Ninja to cmake invocation.
    • Finally, you can turn on assertions via -DLLVM_ENABLE_ASSERTS=On.

  • Afterwards you can build clangd with cmake --build $LLVM_ROOT/build --target clangd, similarly run tests by changing target to check-clangd.