diff -dur Ardour-5.4.0.orig/wscript Ardour-5.4.0/wscript
--- Ardour-5.4.0.orig/wscript	2016-10-11 21:55:23.000000000 +0200
+++ Ardour-5.4.0/wscript	2016-10-11 21:56:20.000000000 +0200
@@ -439,7 +439,9 @@
 
         compiler_flags.append ("-DARCH_X86")
 
-        if platform == 'linux' :
+        build_host_supports_sse = True
+        compiler_flags.append ("-mmmx")
+        if False :
 
             #
             # determine processor flags via /proc/cpuinfo