diff --git a/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_TIMERFD_CREATE.h b/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_TIMERFD_CREATE.h
new file mode 100644
index 0000000..8d642fd
--- /dev/null
+++ b/libbuild2-autoconf/libbuild2/autoconf/checks/HAVE_TIMERFD_CREATE.h
@@ -0,0 +1,14 @@
+// HAVE_TIMERFD_CREATE : BUILD2_AUTOCONF_LIBC_VERSION
+
+#ifndef BUILD2_AUTOCONF_LIBC_VERSION
+#  error BUILD2_AUTOCONF_LIBC_VERSION appears to be conditionally included
+#endif
+
+#undef HAVE_TIMERFD_CREATE
+
+/* Since Linux/glibc 2.8 and Mac OS
+ */
+#if BUILD2_AUTOCONF_GLIBC_PREREQ(2, 8) || \
+    defined(BUILD2_AUTOCONF_MACOS)
+#  define HAVE_TIMERFD_CREATE 1
+#endif