From fd6f5ebc32eb5f74501e11b7e519642ee95d49f0 Mon Sep 17 00:00:00 2001
From: Nils Maier <maierman@web.de>
Date: Sun, 1 Mar 2015 09:44:59 +0100
Subject: [PATCH] Fix getrandom interface detection

Fixes GH-346
---
 configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure.ac b/configure.ac
index 1f935e7d..c946866a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -758,10 +758,12 @@ AC_CHECK_FUNCS([__argz_count \
 
 AC_MSG_CHECKING([for getrandom linux syscall interface])
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/syscall.h>
 #include <linux/random.h>
 ]],
 [[
 int x = GRND_NONBLOCK;
+int y = (int)SYS_getrandom;
 ]])],
   [have_getrandom_interface=yes
    AC_DEFINE([HAVE_GETRANDOM_INTERFACE], [1], [Define to 1 if getrandom linux syscall interface is available.])],