1 files changed, 3 insertions, 0 deletions
diff --git a/acconfig.h b/acconfig.h
index a17cba82..3bf61ec9 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -52,6 +52,9 @@
 /* Define if you are on Cygwin */
 #undef HAVE_CYGWIN
 
+/* Define if you lack native POSIX regex and you are using GNU rx library */
+#undef HAVE_LIBRX
+
 /* Define if you are on NeXT */
 #undef HAVE_NEXT