From 075519bceca7a8f4fa28a0b7c538f2f50d552d13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrezina@redhat.com>
Date: Thu, 26 Nov 2020 14:56:08 +0100
Subject: [PATCH 18/18] configure: check for stdatomic.h

Recent autofs patches adds dependency on automic_uint/_Atomic type from C11
standard. This is supported in both gcc and clang for a long time now.

Reviewed-by: Alexey Tikhonov <atikhono@redhat.com>
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 1af1d1785..0d24c4b35 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,6 +42,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 AM_CONDITIONAL([HAVE_GCC], [test "$ac_cv_prog_gcc" = yes])
 
 AC_CHECK_HEADERS(stdint.h dlfcn.h)
+AC_CHECK_HEADERS([stdatomic.h],,AC_MSG_ERROR([C11 atomic types are not supported]))
 AC_CONFIG_HEADER(config.h)
 
 AC_CHECK_TYPES([errno_t], [], [], [[#include <errno.h>]])
-- 
2.21.3