--- povray-3.7.1-beta.5/unix/config/ax_boost_base.m4~	2017-03-25 14:56:03.000000000 +0100
+++ povray-3.7.1-beta.5/unix/config/ax_boost_base.m4	2017-04-13 10:17:17.072940712 +0200
@@ -93,7 +93,7 @@
     ax_arch=`uname -m`
     case $ax_arch in
       x86_64|ppc64|s390x|sparc64|aarch64)
-        libsubdirs="lib64 lib lib64"
+        libsubdirs="libx32 lib64 lib lib64"
         ;;
     esac