diff --git a/llvm/tools/llvm-jitlink/CMakeLists.txt b/llvm/tools/llvm-jitlink/CMakeLists.txt
--- a/llvm/tools/llvm-jitlink/CMakeLists.txt
+++ b/llvm/tools/llvm-jitlink/CMakeLists.txt
@@ -24,4 +24,8 @@
   llvm-jitlink-macho.cpp
   )
 
+if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+  target_link_libraries(llvm-jitlink PRIVATE socket nsl)
+endif()
+
 export_executable_symbols(llvm-jitlink)
diff --git a/llvm/tools/llvm-jitlink/llvm-jitlink-executor/CMakeLists.txt b/llvm/tools/llvm-jitlink/llvm-jitlink-executor/CMakeLists.txt
--- a/llvm/tools/llvm-jitlink/llvm-jitlink-executor/CMakeLists.txt
+++ b/llvm/tools/llvm-jitlink/llvm-jitlink-executor/CMakeLists.txt
@@ -11,4 +11,8 @@
   intrinsics_gen
 )
 
+if(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+  target_link_libraries(llvm-jitlink-executor PRIVATE socket)
+endif()
+
 export_executable_symbols(llvm-jitlink-executor)