--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmake/check/PutTime.cmake	Mon Feb 08 16:43:14 2016 +0100
@@ -0,0 +1,36 @@
+#
+# CMakeLists.txt -- CMake build system for irccd
+#
+# Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+include(CheckCXXSourceCompiles)
+
+#
+# std::put_time does not exists on Debian 8, probably too old libstdc++.
+#
+check_cxx_source_compiles(
+	"#include <iomanip>
+	 #include <iostream>
+
+	 int main()
+	 {
+		std::cout << std::put_time(nullptr, \"\");
+
+		return 0;
+	 }
+	"
+	HAVE_STD_PUT_TIME
+)