[PATCH] D85691: lld: link libatomic if needed for Timer

[Josh Stone via Phabricator via llvm-commits]

cuviper created this revision.
cuviper added a reviewer: rnk.
Herald added subscribers: llvm-commits, jfb, mgorny.
Herald added a reviewer: MaskRay.
Herald added a project: LLVM.
cuviper requested review of this revision.

D80298 <https://reviews.llvm.org/D80298> made Timer::total atomic, but this requires linking libatomic
on some targets.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85691

Files:
  lld/Common/CMakeLists.txt


Index: lld/Common/CMakeLists.txt
===================================================================
--- lld/Common/CMakeLists.txt
+++ lld/Common/CMakeLists.txt
@@ -1,3 +1,9 @@
+set(LLD_SYSTEM_LIBS ${LLVM_PTHREAD_LIB})
+
+if (NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB )
+    list(APPEND LLD_SYSTEM_LIBS atomic)
+endif()
+
 find_first_existing_vc_file("${LLVM_MAIN_SRC_DIR}" llvm_vc)
 find_first_existing_vc_file("${LLD_SOURCE_DIR}" lld_vc)
 
@@ -50,7 +56,7 @@
   Target
 
   LINK_LIBS
-  ${LLVM_PTHREAD_LIB}
+  ${LLD_SYSTEM_LIBS}
 
   DEPENDS
   intrinsics_gen


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