+ (setf *software-version* nil)
+ (setf *default-pathname-defaults*
+ ;; (temporary value, so that #'PATHNAME won't blow up when
+ ;; we call it below:)
+ (make-trivial-default-pathname)
+ *default-pathname-defaults*
+ ;; (final value, constructed using #'PATHNAME:)
+ (pathname (sb!unix:posix-getcwd/))))