01/01: potluck: Better --build-system=help.

[Andy Wingo]

wingo pushed a commit to branch wip-potluck
in repository guix.

commit 3325f07080977f177fd62ab96d6e8b1bedf379ee
Author: Andy Wingo <address@hidden>
Date:   Thu Apr 13 14:16:32 2017 +0200

    potluck: Better --build-system=help.
    
    * guix/scripts/potluck.scm (parse-build-system): Add --autotools note to
    --build-system=help.
---
 guix/scripts/potluck.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/guix/scripts/potluck.scm b/guix/scripts/potluck.scm
index 8b06acf..59c0a75 100644
--- a/guix/scripts/potluck.scm
+++ b/guix/scripts/potluck.scm
@@ -381,6 +381,9 @@ init: missing --build-system; try --build-system=help for 
options~%")))
          (let ((sys (build-system-by-name name)))
            (format #t "  ~a ~25t~a~%" name (build-system-description sys))))
        (all-potluck-build-system-names))
+      (format #t "
+Additionally, --autotools is like --build-system=gnu, but also indicating
+that the package needs autoreconf before running ./configure.~%")
       (exit 0))
     (unless (build-system-by-name sys)
       (leave (_ "invalid build system: ~a; try --build-system=help~%") sys))