From 136dbd0093b6133ea9f09108f4f412114ea891ae Mon Sep 17 00:00:00 2001
From: antma <code@vysheng.ru>
Date: Fri, 10 Jan 2014 16:30:56 +0400
Subject: [PATCH] checking sizeof (void) at the runtime

---
 main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/main.c b/main.c
index 4d74782..56094cc 100644
--- a/main.c
+++ b/main.c
@@ -181,6 +181,11 @@ char *make_full_path (char *s) {
 }
 
 void running_for_first_time (void) {
+  if (sizeof (void) != 1) {
+    logprintf ("sizeof (void) isn't equal 1\n");
+    logprintf ("GNU C compiler extension isn't available?\n");
+    exit (1);
+  }
   if (config_filename) {
     return; // Do not create custom config file
   }