diff -ruN xrdp-0.9.15-v/common/arch.h xrdp-0.9.15/common/arch.h
--- xrdp-0.9.15-v/common/arch.h	2020-12-29 01:03:43.000000000 +1100
+++ xrdp-0.9.15/common/arch.h	2020-12-29 10:58:38.146877212 +1100
@@ -87,8 +87,6 @@
       defined(__i386__) || defined(__aarch64__) || \
       defined(__riscv)
 #define NO_NEED_ALIGN
-#else
-#warning unknown arch
 #endif
 #endif