From 17bb8c4c849aea0ab34ebdaca445032eddbda367 Mon Sep 17 00:00:00 2001
From: Kareem <kareem@wolfssl.com>
Date: Wed, 12 Mar 2025 15:26:31 -0700
Subject: [PATCH] Check for whether librt is needed for clock_gettime.

---
 configure.ac | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/configure.ac b/configure.ac
index af90dd2b8..3ea9160e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -728,6 +728,11 @@ then
     AM_CFLAGS="$AM_CFLAGS -DNO_DEV_RANDOM -DNO_WRITEV -DNO_STDIO_FILESYSTEM -DWOLFSSL_NO_SOCK -DWOLFSSL_USER_IO"
 fi
 
+if test "$ENABLED_RNG" = "yes" || test "$ENABLED_BENCHMARK" = "yes"
+then
+    AC_SEARCH_LIBS([clock_gettime],[rt])
+fi
+
 
 # MATH LIBRARY SELECTION