From 9dc6e93b77ce0d920771060756e65779751fd5f7 Mon Sep 17 00:00:00 2001
From: Philipp Stephani <phst@google.com>
Date: Mon, 12 Jun 2017 10:54:29 +0200
Subject: [PATCH] Explicitly require C11 or C++11 in emacs-module.h

We already implicitly require them by including stdbool.h.  Just make
the error message a bit clearer, and remove an unnecessary version
comparison.
---
 src/emacs-module.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/emacs-module.h b/src/emacs-module.h
index b8bf2ed2d5f..26b519a39cf 100644
--- a/src/emacs-module.h
+++ b/src/emacs-module.h
@@ -20,11 +20,16 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #ifndef EMACS_MODULE_H
 #define EMACS_MODULE_H
 
+#if ! (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112L) \
+  && ! (defined __cplusplus && __cplusplus >= 201103L)
+# error "This file requires at least C11 or C++11"
+#endif
+
 #include <stdint.h>
 #include <stddef.h>
 #include <stdbool.h>
 
-#if defined __cplusplus && __cplusplus >= 201103L
+#if defined __cplusplus
 # define EMACS_NOEXCEPT noexcept
 #else
 # define EMACS_NOEXCEPT
-- 
2.39.2