--- Slic3r-1.3.0/xs/src/admesh/stl.h~	2020-06-02 21:36:34.816574974 +0100

+++ Slic3r-1.3.0/xs/src/admesh/stl.h	2020-06-02 21:36:37.553576616 +0100

@@ -26,9 +26,8 @@

 #include <stdio.h>

 #include <stdint.h>

 #include <stddef.h>

-#include <boost/detail/endian.hpp>

-#ifndef BOOST_LITTLE_ENDIAN

+#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__

 #error "admesh works correctly on little endian machines only!"

 #endif