1 files changed, 39 insertions, 0 deletions
diff --git a/include/ac/regex.h b/include/ac/regex.h
new file mode 100644
index 0000000..1bae5d6
--- /dev/null
+++ b/include/ac/regex.h
@@ -0,0 +1,39 @@
+/* Generic Regex */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#ifndef _AC_REGEX_H_
+#define _AC_REGEX_H_
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifndef HAVE_REGEX_H
+/*	NO POSIX REGEX!!
+ *  You'll need to install a POSIX compatible REGEX library.
+ *  Either Henry Spencer's or GNU regex will do.
+ */
+#error "No POSIX REGEX available."
+
+#elif HAVE_GNUREGEX_H
+	/* system has GNU gnuregex.h */
+#	include <gnuregex.h>
+#else
+	/* have regex.h, assume it's POSIX compliant */
+#	include <regex.h>
+#endif /* regex.h */
+
+#endif /* _AC_REGEX_H_ */