gnu: commencement: Micro-optimize the package graph.

This removes 2 'add-data-to-store-cache' lookups.

* gnu/packages/commencement.scm (flex-boot0): Move (package (inherit …))
outside the 'propagated-inputs' field to avoid creating a new node each
time the field is accessed.
This commit is contained in:
Ludovic Courtès 2020-03-29 18:57:10 +02:00
parent 5a17b9b673
commit 71d17a09ee
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1 changed files with 16 additions and 15 deletions

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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2012 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014, 2015, 2017 Mark H Weaver <mhw@netris.org>
@ -1760,20 +1760,21 @@ exec " gcc "/bin/" program
(define flex-boot0
;; This Flex is needed to build MiG as well as Linux-Libre headers.
(package
(inherit flex)
(native-inputs `(("bison" ,bison-boot0)))
(propagated-inputs
;; XXX: Here we use an 'm4-boot0' package that's not eq? so that it
;; appears twice in '%build-inputs', like when we were using
;; 'package-with-explicit-inputs'.
;; TODO: Remove this hack on the next rebuild cycle.
`(("m4" ,(package (inherit m4-boot0*)))))
(inputs (%boot0-inputs))
(arguments
`(#:implicit-inputs? #f
#:guile ,%bootstrap-guile
#:tests? #f))))
(let ((m4-boot0* (package (inherit m4-boot0*))))
(package
(inherit flex)
(native-inputs `(("bison" ,bison-boot0)))
(propagated-inputs
;; XXX: Here we use an 'm4-boot0' package that's not eq? so that it
;; appears twice in '%build-inputs', like when we were using
;; 'package-with-explicit-inputs'.
;; TODO: Remove this hack on the next rebuild cycle.
`(("m4" ,m4-boot0*)))
(inputs (%boot0-inputs))
(arguments
`(#:implicit-inputs? #f
#:guile ,%bootstrap-guile
#:tests? #f)))))
(define linux-libre-headers-boot0
(mlambda ()