diff --git a/meta/recipes-extended/xinetd/xinetd_2.3.15.4.bb b/meta/recipes-extended/xinetd/xinetd_2.3.15.4.bb
index 62ee70d244..897417314d 100644
--- a/meta/recipes-extended/xinetd/xinetd_2.3.15.4.bb
+++ b/meta/recipes-extended/xinetd/xinetd_2.3.15.4.bb
@@ -30,6 +30,8 @@ INITSCRIPT_PARAMS = "defaults"
 PACKAGECONFIG ??= "tcp-wrappers"
 PACKAGECONFIG[tcp-wrappers] = "--with-libwrap,,tcp-wrappers"
 
+CFLAGS += "-D_GNU_SOURCE"
+
 CONFFILES:${PN} = "${sysconfdir}/xinetd.conf"
 
 do_install:append() {