[clang] 15ad84f - [clang][deps] Explicitly link pthreads

[Jan Svoboda via cfe-commits]

Author: Jan Svoboda
Date: 2025-03-20T09:37:10-07:00
New Revision: 15ad84fffd76e845ce48f7cb8a917eb6532b93c9

URL: https://github.com/llvm/llvm-project/commit/15ad84fffd76e845ce48f7cb8a917eb6532b93c9
DIFF: https://github.com/llvm/llvm-project/commit/15ad84fffd76e845ce48f7cb8a917eb6532b93c9.diff

LOG: [clang][deps] Explicitly link pthreads

This is a speculative fix for link failure found by the RHEL 8 bot: https://lab.llvm.org/buildbot/#/builders/204/builds/3862.

FAILED: lib/libclangDependencyScanning.so.21.0git
/InProcessModuleCache.cpp.o: In function `(anonymous namespace)::ReaderWriterLock::tryLock()':
InProcessModuleCache.cpp:(.text._ZN12_GLOBAL__N_116ReaderWriterLock7tryLockEv+0x1d): undefined reference to `pthread_rwlock_trywrlock'

Added: 
    

Modified: 
    clang/lib/Tooling/DependencyScanning/CMakeLists.txt

Removed: 
    


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diff  --git a/clang/lib/Tooling/DependencyScanning/CMakeLists.txt b/clang/lib/Tooling/DependencyScanning/CMakeLists.txt
index 993dc093a781c..42a63faa26d3e 100644
--- a/clang/lib/Tooling/DependencyScanning/CMakeLists.txt
+++ b/clang/lib/Tooling/DependencyScanning/CMakeLists.txt
@@ -24,4 +24,5 @@ add_clang_library(clangDependencyScanning
   clangLex
   clangSerialization
   clangTooling
+  ${LLVM_PTHREAD_LIB}
   )