From 38b36d1ebd7cea57279f5a3d69f32f445f73175d Mon Sep 17 00:00:00 2001
From: Martin Szulecki
Date: Tue, 6 Oct 2015 21:26:26 +0200
Subject: Add configure.ac check for readline headers

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index f3f9bde..479b44d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,6 +30,9 @@ AM_PROG_CC_C_O
 AC_PROG_LIBTOOL
 
 # Checks for libraries.
+AC_CHECK_HEADERS([readline/readline.h], [],
+	[AC_MSG_ERROR([Please install readline development headers])]
+)
 PKG_CHECK_MODULES(libusb, libusb-1.0 >= $LIBUSB_VERSION)
 
 # Check additional platform flags
-- 
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