diff --git a/config.lib b/config.lib
index 08021351cb..ab9576f01e 100644
--- a/config.lib
+++ b/config.lib
@@ -1296,6 +1296,7 @@ make_compiler_cflags() {
 			if [ -n "$has_lto" ]; then
 				# Use LTO only if we see LTO exists and is requested
 				flags="$flags -flto"
+				ldflags="$ldflags -fwhole-program"
 				features="$features lto"
 			fi
 		fi