patches/std.diff

diff --git a/src/lib.rs b/src/lib.rs
index 2800d9a..ccd8454 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,6 +20,10 @@
 #![doc(html_favicon_url = "https://developer.actyx.com/img/favicon.ico")]
 #![no_std]
 
+// ANDROID: Use std to allow building as a dylib.
+#[cfg(android_dylib)]
+extern crate std;
+
 use core::{
     fmt::{self, Debug, Formatter},
     pin::Pin,