From 8c9600879334ce68a72cb1f8de7e6bd156a4b2f2 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 8 Apr 2020 14:44:39 +0200
Subject: add check to see if CC supports '_Static_assert'

---
 configure.ac   | 8 ++++++++
 po/POTFILES.in | 1 +
 2 files changed, 9 insertions(+)

diff --git a/configure.ac b/configure.ac
index c57a56f9f..3b3c9cbe9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -691,6 +691,14 @@ AC_RUN_IFELSE(
 AC_LANG_POP(C)
 ])	# $build = $target
 
+AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+  [[int main() {
+      _Static_assert(sizeof(int) >= 4, "not big enough");
+      return 0;
+    };]])],
+  [AC_DEFINE([HAVE_STATIC_ASSERT],[1],[Static assertions supported])],
+  [AC_DEFINE([HAVE_STATIC_ASSERT],[0],[Static assertions not supported])])
+
 # check for bluetooth library
 bluetooth=0
 AC_MSG_CHECKING(for libbluetooth)
diff --git a/po/POTFILES.in b/po/POTFILES.in
index aaeed979c..ed9991796 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -437,6 +437,7 @@ src/util/common_endian.c
 src/util/common_logging.c
 src/util/configuration.c
 src/util/configuration_loader.c
+src/util/consttime_memcmp.c
 src/util/container_bloomfilter.c
 src/util/container_heap.c
 src/util/container_meta_data.c
-- 
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