* guix/build/utils.scm (patch-makefile-SHELL): Preserve shell arguments.
(let ((st (stat file)))
(substitute* file
- (("^ *SHELL[[:blank:]]*=[[:blank:]]*([[:graph:]]*/)([[:graph:]]+)[[:blank:]]*" _ dir shell)
+ (("^ *SHELL[[:blank:]]*=[[:blank:]]*([[:graph:]]*/)([[:graph:]]+)[[:blank:]]*(.*)$"
+ _ dir shell args)
(let* ((old (string-append dir shell))
(new (or (find-shell shell) old)))
(unless (string=? new old)
(format (current-error-port)
"patch-makefile-SHELL: ~a: changing `SHELL' from `~a' to `~a'~%"
file old new))
- (string-append "SHELL = " new "\n"))))
+ (string-append "SHELL = " new " " args))))
(when keep-mtime?
(set-file-time file st))))