diff -urN beecrypt-4.1.0.org/configure.ac beecrypt-4.1.0/configure.ac
--- beecrypt-4.1.0.org/configure.ac	2004-11-17 20:05:37.000000000 +0100
+++ beecrypt-4.1.0/configure.ac	2004-11-18 15:20:28.433531355 +0100
@@ -601,7 +601,7 @@
 case $target_os in
 linux*)
   case $bc_target_arch in
-  powerpc64 | s390x | x86_64)
+  sparc64 | powerpc64 | s390x | x86_64)
     bc_libalt="64"
     ;;
   esac