From c32d433a97a501526a19dbe0d3b6f8c1f137376a Mon Sep 17 00:00:00 2001
From: Ulya Trofimovich <skvadrik@gmail.com>
Date: Sat, 6 Apr 2019 11:16:47 +0100
Subject: [PATCH] configure.ac: use AC_USE_SYSTEM_EXTENSIONS, as --std=c++98
 disables POSIX extensions on Cygwin.

Attempted fix for #247.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 3152a0a8..23cb5122 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,6 +14,10 @@ AC_SUBST(PACKAGE_TARNAME)
 AC_SUBST(PACKAGE_RELEASE, ${PACKAGE_RELEASE:-1})
 
 
+# without this, --std=c++98 disables POSIX functions on Cygwin
+AC_USE_SYSTEM_EXTENSIONS
+
+
 # --enable-debug
 AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug],
     [enable checks and assertions])])
-- 
2.50.1