diff -u -r ../RHash-1.3.6/configure ./configure
--- ../RHash-1.3.6/configure	2018-03-14 02:42:17.000000000 +0100
+++ ./configure	2018-04-22 21:56:37.741263688 +0200
@@ -193,8 +193,7 @@
     BUILD_EXTRA_LDFLAGS=$(get_opt_value $OPT)
     ;;
   *)
-      echo "unknown option $OPT"
-      exit 1
+      echo "WARNING: unknown option $OPT"
       ;;
   esac
   shift
@@ -897,4 +896,4 @@
 Libs.private: ${OPENSSL_LDFLAGS}
 
 EOF
-fi
\ No newline at end of file
+fi
diff -u -r ../RHash-1.3.6/librhash/byte_order.h ./librhash/byte_order.h
--- ../RHash-1.3.6/librhash/byte_order.h	2018-03-14 02:42:17.000000000 +0100
+++ ./librhash/byte_order.h	2018-04-22 21:55:52.997763406 +0200
@@ -14,6 +14,10 @@
 #endif
 
 
+#ifdef __ANDROID__
+# include <sys/endian.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
Only in ./librhash: byte_order.h.orig