With the latest round of changes to ediff, I can no longer build the packages: >>Error occurred processing ediff-diff.el: Symbol's value as variable is void: vc-workfile-version Done make[2]: *** [ediff-diff.elc] Error 1 Indeed, vc-workfile is a function. The patch below allows things to compile. diff -u {scmroot/xemacs-packages,$BLDROOT/xemacs-packages-$(today)}/xemacs-packages/ediff/$f done --- scmroot/xemacs-packages/xemacs-packages/ediff/ediff-vers.el 2007-11-02 10:12:31.000000000 -0400 +++ /usr/local/build/xemacs-packages-2007-11-02/xemacs-packages/ediff/ediff-vers.el 2007-11-02 10:57:47.000000000 -0400 ＠＠ -60,7 +60,7 ＠＠ (defalias 'ediff-vc-working-revision (if (fboundp 'vc-working-revision) 'vc-working-revision - vc-workfile-version)) + 'vc-workfile-version)) ;; VC.el support --- scmroot/xemacs-packages/xemacs-packages/ediff/Makefile 2007-08-30 20:06:05.000000000 -0400 +++ /usr/local/build/xemacs-packages-2007-11-02/xemacs-packages/ediff/Makefile 2007-11-02 10:59:07.000000000 -0400 ＠＠ -22,7 +22,7 ＠＠ MAINTAINER = Michael Kifer <kifer(a)cs.sunysb.edu&gt; PACKAGE = ediff PKG_TYPE = regular -REQUIRES = pcl-cvs elib dired xemacs-base edebug prog-modes +REQUIRES = pcl-cvs elib dired xemacs-base edebug prog-modes gnus tramp vc CATEGORY = standard ELCS = ediff-diff.elc ediff-help.elc ediff-hook.elc ediff-init.elc \ Regards, Vin