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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2020 Timothy Sample <samplet@ngyro.com>
;;; Copyright © 2020 Simon Tournier <zimon.toutoune@gmail.com>
;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 haskell)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix download)
#: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-1)
#:use-module (srfi srfi-26)
#:export (%haskell-build-system-modules
haskell-build
haskell-build-system))
;; Commentary:
;;
;; Standard build procedure for Haskell packages using 'Setup.hs'. This is
;; implemented as an extension of 'gnu-build-system'.
;;
;; Code:
(define %haskell-build-system-modules
;; Build-side modules imported by default.
`((guix build haskell-build-system)
,@%gnu-build-system-modules))
(define (default-haskell)
"Return the default Haskell package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((haskell (resolve-interface '(gnu packages haskell))))
(module-ref haskell 'ghc)))
(define (source-url->revision-url url revision)
"Convert URL (a Hackage source URL) to the URL for the Cabal file at
version REVISION."
(let* ((last-slash (string-rindex url #\/))
(next-slash (string-rindex url #\/ 0 last-slash)))
(string-append (substring url 0 next-slash)
(substring url last-slash (- (string-length url)
(string-length ".tar.gz")))
"/revision/" revision ".cabal")))
(define* (lower name
#:key source inputs native-inputs outputs system target
(haskell (default-haskell))
cabal-revision
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:target #:haskell #:cabal-revision #:inputs #:native-inputs #:outputs))
(define (cabal-revision->origin cabal-revision)
(match cabal-revision
((revision hash)
(origin
(method url-fetch)
(uri (source-url->revision-url (origin-uri source) revision))
(sha256 (base32 hash))
(file-name (string-append name "-" revision ".cabal"))))
(#f #f)))
(and (not target) ;XXX: no cross-compilation
(bag
(name name)
(system system)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@(match (cabal-revision->origin cabal-revision)
(#f '())
(revision `(("cabal-revision" ,revision))))
,@inputs
;; Keep the standard inputs of 'gnu-build-system'.
,@(standard-packages)))
(build-inputs `(("haskell" ,haskell)
,@native-inputs))
;; XXX: this is a hack to get around issue #41569.
(outputs (match outputs
(("out") (cons "static" outputs))
(_ outputs)))
(build haskell-build)
(arguments
(substitute-keyword-arguments
(strip-keyword-arguments private-keywords arguments)
((#:extra-directories extra-directories)
`(list ,@(append-map
(lambda (name)
(match (assoc name inputs)
((_ pkg)
(match (package-transitive-propagated-inputs pkg)
(((propagated-names . _) ...)
(cons name propagated-names))))))
extra-directories))))))))
(define* (haskell-build name inputs
#:key source
(haddock? #t)
(haddock-flags ''())
(tests? #t)
(test-target "test")
;; FIXME: Parallel builds lead to indeterministic
;; results, see <http://issues.guix.gnu.org/43843#3>.
(parallel-build? #f)
(configure-flags ''())
(extra-directories ''())
(phases '%standard-phases)
(outputs '("out" "static"))
(search-paths '())
(system (%current-system))
(guile #f)
(imported-modules %haskell-build-system-modules)
(modules '((guix build haskell-build-system)
(guix build utils))))
"Build SOURCE using HASKELL, and with INPUTS. This assumes that SOURCE
provides a 'Setup.hs' file as its build system."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
#$(with-build-variables inputs outputs
#~(haskell-build #:name #$name
#:source #+source
;; XXX: INPUTS contains <gexp-input> records as
;; opposed to raw lowerable objects, hence the
;; use of ungexp-splicing.
#:cabal-revision
#$@(match (assoc-ref inputs "cabal-revision")
(#f '())
(lst lst))
#:configure-flags #$configure-flags
#:extra-directories #$extra-directories
#:extra-directories #$extra-directories
#:haddock-flags #$haddock-flags
#:system #$system
#:test-target #$test-target
#:tests? #$tests?
#:parallel-build? #$parallel-build?
#:haddock? #$haddock?
#:phases #$phases
#:outputs #$(outputs->gexp outputs)
#:search-paths '#$(sexp->gexp
(map search-path-specification->sexp
search-paths))
#:inputs #$(input-tuples->gexp inputs))))))
(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
system #:graft? #f)))
(gexp->derivation name builder
#:system system
#:guile-for-build guile)))
(define haskell-build-system
(build-system
(name 'haskell)
(description "The standard Haskell build system")
(lower lower)))
;;; haskell.scm ends here
|
