From 87e7ebcf1b64e12074e2ba4a315e05fc2e18ba87 Mon Sep 17 00:00:00 2001
From: Andrew Poelstra <apoelstra@wpsoftware.net>
Date: Wed, 5 Jun 2019 13:59:44 +0000
Subject: [PATCH] prevent compilation on 16-bit targets so we can use `usize`
 and assume it is 32 bits

---
 src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 4e7409b..f407738 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -54,6 +54,9 @@ extern crate secp256k1;
 #[cfg(all(test, feature = "unstable"))] extern crate test;
 #[cfg(feature="bitcoinconsensus")] extern crate bitcoinconsensus;
 
+#[cfg(target_pointer_width = "16")]
+compile_error!("rust-bitcoin cannot be used on 16-bit architectures");
+
 #[cfg(test)]
 #[macro_use]
 mod test_macros;