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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2020 Simon Tournier <zimon.toutoune@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix build-system emacs)
#:use-module ((guix build emacs-build-system)
#:select (%default-include %default-exclude))
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix derivations)
#:use-module (guix search-paths)
#:use-module (guix build-system)
#:use-module (guix build-system gnu)
#:use-module (ice-9 match)
#:use-module (srfi srfi-26)
#:export (%emacs-build-system-modules
package-with-emacs-next
emacs-build
emacs-build-system)
#:re-export (%default-include ;for convenience
%default-exclude))
;; Commentary:
;;
;; Standard build procedure for Emacs packages. This is implemented as an
;; extension of 'gnu-build-system'.
;;
;; Code:
(define %emacs-build-system-modules
;; Build-side modules imported by default.
`((guix build emacs-build-system)
(guix build emacs-utils)
,@%gnu-build-system-modules))
(define (default-emacs)
"Return the default Emacs package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((emacs-mod (resolve-interface '(gnu packages emacs))))
(module-ref emacs-mod 'emacs-minimal)))
(define (default-emacs-next)
"Return the default Emacs-next package."
(let ((emacs-mod (resolve-interface '(gnu packages emacs))))
(module-ref emacs-mod 'emacs-next)))
(define* (package-with-explicit-emacs emacs old-prefix new-prefix
#:key variant-property)
"Return a procedure of one argument, P. The procedure creates a package with
the same fields as P, which is assumed to use EMACS-BUILD-SYSTEM, such that
it is compiled with EMACS instead. The inputs are changed recursively
accordingly. If the name of P starts with OLD-PREFIX, this is replaced by
NEW-PREFIX; otherwise, NEW-PREFIX is prepended to the name.
When VARIANT-PROPERTY is present, it is used as a key to search for
pre-defined variants of this transformation recorded in the 'properties' field
of packages. The property value must be the promise of a package. This is a
convenient way for package writers to force the transformation to use
pre-defined variants."
(define package-variant
(if variant-property
(lambda (package)
(assq-ref (package-properties package)
variant-property))
(const #f)))
(define (transform p)
(cond
;; If VARIANT-PROPERTY is present, use that.
((package-variant p)
=> force)
;; Otherwise build the new package object graph.
((eq? (package-build-system p) emacs-build-system)
(package
(inherit p)
(location (package-location p))
(name (let ((name (package-name p)))
(string-append new-prefix
(if (string-prefix? old-prefix name)
(substring name
(string-length old-prefix))
name))))
(arguments
(let ((emacs (if (promise? emacs)
(force emacs)
emacs)))
(ensure-keyword-arguments (package-arguments p)
`(#:emacs ,emacs))))))
(else p)))
(define (cut? p)
(or (not (eq? (package-build-system p) emacs-build-system))
(package-variant p)))
(package-mapping transform cut?))
(define package-with-emacs-next
;; Note: delay call to 'default-emacs-next' until after the 'arguments' field
;; of packages is accessed to avoid a circular dependency when evaluating
;; the top-level of (gnu packages emacs).
(package-with-explicit-emacs (delay (default-emacs-next))
"emacs-" "emacs-next-"
#:variant-property 'emacs-next-variant))
(define* (lower name
#:key source inputs native-inputs outputs system target
(emacs (default-emacs))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:target #:emacs #:inputs #:native-inputs))
(and (not target) ;XXX: no cross-compilation
(bag
(name name)
(system system)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@inputs
;; Keep the standard inputs of 'gnu-build-system'.
,@(standard-packages)))
(build-inputs `(("emacs" ,emacs)
,@native-inputs))
(outputs outputs)
(build emacs-build)
(arguments (strip-keyword-arguments private-keywords arguments)))))
(define* (emacs-build store name inputs
#:key source
(tests? #f)
(parallel-tests? #t)
(test-command ''("make" "check"))
(phases '(@ (guix build emacs-build-system)
%standard-phases))
(outputs '("out"))
(include (quote %default-include))
(exclude (quote %default-exclude))
(search-paths '())
(system (%current-system))
(guile #f)
(imported-modules %emacs-build-system-modules)
(modules '((guix build emacs-build-system)
(guix build utils)
(guix build emacs-utils))))
"Build SOURCE using EMACS, and with INPUTS."
(define builder
`(begin
(use-modules ,@modules)
(emacs-build #:name ,name
#:source ,(match (assoc-ref inputs "source")
(((? derivation? source))
(derivation->output-path source))
((source)
source)
(source
source))
#:system ,system
#:test-command ,test-command
#:tests? ,tests?
#:phases ,phases
#:outputs %outputs
#:include ,include
#:exclude ,exclude
#:search-paths ',(map search-path-specification->sexp
search-paths)
#:inputs %build-inputs)))
(define guile-for-build
(match guile
((? package?)
(package-derivation store guile system #:graft? #f))
(#f ; the default
(let* ((distro (resolve-interface '(gnu packages commencement)))
(guile (module-ref distro 'guile-final)))
(package-derivation store guile system #:graft? #f)))))
(build-expression->derivation store name builder
#:inputs inputs
#:system system
#:modules imported-modules
#:outputs outputs
#:guile-for-build guile-for-build))
(define emacs-build-system
(build-system
(name 'emacs)
(description "The build system for Emacs packages")
(lower lower)))
;;; emacs.scm ends here
|