From 05ada6c504b06aa562b1439cf6d25f43e1da6f47 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 12 Feb 2018 20:43:07 -0500
Subject: [PATCH] extconf.rb: error out if curses.h is not found

---
 ext/svi/extconf.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/svi/extconf.rb b/ext/svi/extconf.rb
index 329d140..44f3572 100644
--- a/ext/svi/extconf.rb
+++ b/ext/svi/extconf.rb
@@ -1,3 +1,5 @@
 require "mkmf"
 
+abort("Error: missing curses.h") unless have_header("curses.h")
+
 create_makefile "svi/svi"