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build-system: Add package-with-ocaml4.01.

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* guix/build-system/ocaml.scm (default-ocaml4.01, default-ocaml4.01-findlib,
package-with-explicit-ocaml, package-with-ocaml4.01,
strip-ocaml4.01-variant): New variables.
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Ben Woodcroft 2017-01-02 22:23:34 +10:00
parent fa01cb5226
commit c6cfec42b0
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1 changed files with 75 additions and 1 deletions
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guix/build-system/ocaml.scm
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@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017 Julien Lepiller <julien@lepiller.eu>
;;; Copyright © 2017 Ben Woodcroft <donttrustben@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@ -15,7 +16,6 @@
;;;
;;; 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 ocaml)
#:use-module (guix store)
#:use-module (guix utils)
@ -25,7 +25,10 @@
#:use-module (guix build-system gnu)
#:use-module (guix packages)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (%ocaml-build-system-modules
package-with-ocaml4.01
strip-ocaml4.01-variant
ocaml-build
ocaml-build-system))
@ -71,6 +74,77 @@
(let ((module (resolve-interface '(gnu packages ocaml))))
(module-ref module 'ocaml-findlib)))
(define (default-ocaml4.01)
(let ((ocaml (resolve-interface '(gnu packages ocaml))))
(module-ref ocaml 'ocaml-4.01)))
(define (default-ocaml4.01-findlib)
(let ((module (resolve-interface '(gnu packages ocaml))))
(module-ref module 'ocaml4.01-findlib)))
(define* (package-with-explicit-ocaml ocaml findlib 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 OCAML-BUILD-SYSTEM, such
that it is compiled with OCAML and FINDLIB 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) ocaml-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 ((ocaml (if (promise? ocaml) (force ocaml) ocaml))
(findlib (if (promise? findlib) (force findlib) findlib)))
(ensure-keyword-arguments (package-arguments p)
`(#:ocaml ,ocaml
#:findlib ,findlib))))))
(else p)))
(define (cut? p)
(or (not (eq? (package-build-system p) ocaml-build-system))
(package-variant p)))
(package-mapping transform cut?))
(define package-with-ocaml4.01
(package-with-explicit-ocaml (delay (default-ocaml4.01))
(delay (default-ocaml4.01-findlib))
"ocaml-" "ocaml4.01-"
#:variant-property 'ocaml4.01-variant))
(define (strip-ocaml4.01-variant p)
"Remove the 'ocaml4.01-variant' property from P."
(package
(inherit p)
(properties (alist-delete 'ocaml4.01-variant (package-properties p)))))
(define* (lower name
#:key source inputs native-inputs outputs system target
(ocaml (default-ocaml))