Index: Lrzip.h
--- Lrzip.h.orig	2012-05-10 14:45:41.000000000 +0200
+++ Lrzip.h	2013-04-28 14:01:33.615353826 +0200
@@ -22,6 +22,7 @@
 
 #include <stdbool.h>
 #include <stdio.h>
+#include <stdarg.h>
 #ifdef _WIN32
 # include <stddef.h>
 #else
Index: lrzip_private.h
--- lrzip_private.h.orig	2012-07-07 13:53:10.000000000 +0200
+++ lrzip_private.h	2013-04-28 14:00:33.233590012 +0200
@@ -46,6 +46,7 @@
 #ifdef HAVE_ALLOCA_H
 # include <alloca.h>
 #elif defined __GNUC__
+# undef alloca
 # define alloca __builtin_alloca
 #elif defined _AIX
 # define alloca __alloca
