-/*
- * Generic Regex
+/* Generic Regex */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2003 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_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>
-#else
- /* no regex.h, use compatibility library */
-# include <regex-compat.h>
-#endif /* ! regex.h */
+#endif /* regex.h */
-#endif /* _AC_REGEX_H_ */
\ No newline at end of file
+#endif /* _AC_REGEX_H_ */