--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/compat.h	Thu Jan 19 22:39:51 2017 +0100
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 Guido Berhoerster <guido+pwm@berhoerster.name>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef	COMPAT_H
+#define	COMPAT_H
+
+/* for glibc asprintf, getline */
+#define	_BSD_SOURCE
+
+#ifndef	HAVE_ASPRINTF
+#include "compat/asprintf.h"
+#endif /* !HAVE_ASPRINTF */
+
+#ifndef	HAVE_ERR_H
+#include "compat/err.h"
+#endif /* !HAVE_ERR_H */
+
+#ifndef	HAVE_GETENTROPY
+#include "compat/getentropy.h"
+#endif /* !HAVE_GETENTROPY */
+
+#ifndef	HAVE_READPASSPHRASE_H
+#include "compat/readpassphrase.h"
+#endif /* !HAVE_READPASSPHRASE_H */
+
+#ifndef	HAVE_SETPROGNAME
+#include "compat/setprogname.h"
+#endif /* !HAVE_SETPROGNAME */
+
+#ifndef	HAVE_SYS_TREE_H
+#include "compat/tree.h"
+#endif /* !HAVE_SYS_TREE_H */
+
+#endif /* COMPAT_H */