diff --git a/lld/CMakeLists.txt b/lld/CMakeLists.txt
index 22f50c9f4962..e02353169b7e 100644
--- a/lld/CMakeLists.txt
+++ b/lld/CMakeLists.txt
@@ -122,6 +122,7 @@ macro(add_lld_library name)
     set(libkind)
   endif()
   add_library(${name} ${libkind} ${srcs})
+  llvm_update_compile_flags(${name} ${srcs})
   if (LLVM_COMMON_DEPENDS)
     add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
   endif()