diff --git a/configure b/configure
index ea2b131a348f86f2a7097ddfc517c2fee4e1aff6..7ad920f4be5b49615e05bf7d92fa0e71411fe2a1 100755
--- a/configure
+++ b/configure
@@ -4472,7 +4472,8 @@ check_func  ${malloc_prefix}memalign            && enable memalign
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 
 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
-    check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
+    check_func_headers time.h clock_gettime ||
+        { check_lib2 time.h clock_gettime -lrt && LIBRT="-lrt"; }
 
 check_func  fcntl
 check_func  fork