--- host/libraries/libbladeRF_test/test_config_file/CMakeLists.txt.orig
+++ host/libraries/libbladeRF_test/test_config_file/CMakeLists.txt
@@ -51,6 +51,15 @@
     )
 endif()
 
+if(BLADERF_OS_OSX)
+    if (NOT HAVE_CLOCK_GETTIME)
+        message(STATUS "Including clock_gettime.c shim for macOS")
+        set(SRC ${SRC}
+            ${BLADERF_HOST_COMMON_SOURCE_DIR}/osx/clock_gettime.c
+        )
+    endif()
+endif()
+
 add_definitions(-DLIBBLADERF_SEARCH_PREFIX="${CMAKE_INSTALL_PREFIX}")
 add_definitions(-DLOGGING_ENABLED=1)