diff --git a/lldb/cmake/modules/LLDBConfig.cmake b/lldb/cmake/modules/LLDBConfig.cmake
--- a/lldb/cmake/modules/LLDBConfig.cmake
+++ b/lldb/cmake/modules/LLDBConfig.cmake
@@ -73,6 +73,15 @@
   endif()
 endif()
 
+if(APPLE)
+  # Force-disable libc++ link steps to avoid the libc++abi dependency,
+  # if not enabled explicitly in builds from the monorepo.
+  if("libcxx" IN_LIST LLVM_ENABLE_PROJECTS AND NOT "libcxxabi" IN_LIST LLVM_ENABLE_PROJECTS)
+    set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "" FORCE)
+    set(LIBCXX_ENABLE_STATIC OFF CACHE BOOL "" FORCE)
+  endif()
+endif()
+
 if (NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
   set(LLDB_EXPORT_ALL_SYMBOLS 0 CACHE BOOL
     "Causes lldb to export all symbols when building liblldb.")