--- configure.ac.orig	2018-04-17 19:30:22 UTC
+++ configure.ac
@@ -447,6 +447,9 @@ XCODE_VERSION()
 dnl ** Building a cross compiler?
 dnl --------------------------------------------------------------
 CrossCompiling=NO
+
+build=`echo $build | sed -e 's/amd64-/x86_64-/g; s/armv[[67]]-/arm-/g; s/-freebsd.*$/-freebsd/g'`
+
 # If 'host' and 'target' differ, then this means we are building a cross-compiler.
 if test "$TargetPlatform" != "$HostPlatform" ; then
     CrossCompiling=YES