Index: src/CMakeLists.txt
--- src/CMakeLists.txt.orig
+++ src/CMakeLists.txt
@@ -129,8 +129,8 @@ endif()
 
 if (WIN32)
     target_link_libraries(core PRIVATE ole32 comctl32 ws2_32)
-elseif(NOT APPLE)
-    target_link_libraries(core PRIVATE rt)
+elseif(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
+    target_link_libraries(core PRIVATE)
 endif()
 
 if (ENABLE_JIT_PROFILING)
