b544f46098
This is consistent with what 'gnu-build' does and makes sure origins aren't getting lowered with #:graft? #t in one case and not in the other. This is a followup todf46bef48eanddada5e86ed. * guix/build-system/python.scm (python-build): Pass #:graft? #f.
226 lines
8.9 KiB
Scheme
226 lines
8.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013-2017, 2021-2022 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
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;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
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;;; Copyright © 2021 Lars-Dominik Braun <lars@6xq.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build-system python)
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#:use-module ((gnu packages) #:select (search-auxiliary-file))
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#:use-module (guix gexp)
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#:use-module (guix store)
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#:use-module (guix utils)
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#:use-module (guix memoization)
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#:use-module (guix gexp)
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#:use-module (guix monads)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix search-paths)
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#:use-module (guix build-system)
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#:use-module (guix build-system gnu)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (%python-build-system-modules
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package-with-python2
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strip-python2-variant
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default-python
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default-python2
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python-build
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python-build-system
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pypi-uri))
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;; Commentary:
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;;
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;; Standard build procedure for Python packages using 'setup.py'. This is
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;; implemented as an extension of 'gnu-build-system'.
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;;
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;; Code:
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(define* (pypi-uri name version #:optional (extension ".tar.gz"))
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"Return a URI string for the Python package hosted on the Python Package
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Index (PyPI) corresponding to NAME and VERSION. EXTENSION is the file name
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extension, such as '.tar.gz'."
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(string-append "https://files.pythonhosted.org/packages/source/"
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(string-take name 1) "/" name "/"
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name "-" version extension))
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(define %python-build-system-modules
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;; Build-side modules imported by default.
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`((guix build python-build-system)
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,@%gnu-build-system-modules))
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(define (default-python)
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"Return the default Python package."
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;; Lazily resolve the binding to avoid a circular dependency.
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(let ((python (resolve-interface '(gnu packages python))))
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(module-ref python 'python-wrapper)))
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(define (default-python2)
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"Return the default Python 2 package."
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(let ((python (resolve-interface '(gnu packages python))))
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(module-ref python 'python-2)))
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(define sanity-check.py
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;; The script used to validate the installation of a Python package.
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(search-auxiliary-file "python/sanity-check.py"))
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(define* (package-with-explicit-python python old-prefix new-prefix
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#:key variant-property)
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"Return a procedure of one argument, P. The procedure creates a package with
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the same fields as P, which is assumed to use PYTHON-BUILD-SYSTEM, such that
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it is compiled with PYTHON instead. The inputs are changed recursively
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accordingly. If the name of P starts with OLD-PREFIX, this is replaced by
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NEW-PREFIX; otherwise, NEW-PREFIX is prepended to the name.
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When VARIANT-PROPERTY is present, it is used as a key to search for
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pre-defined variants of this transformation recorded in the 'properties' field
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of packages. The property value must be the promise of a package. This is a
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convenient way for package writers to force the transformation to use
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pre-defined variants."
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(define package-variant
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(if variant-property
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(lambda (package)
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(assq-ref (package-properties package)
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variant-property))
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(const #f)))
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(define (transform p)
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(cond
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;; If VARIANT-PROPERTY is present, use that.
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((package-variant p)
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=> force)
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;; Otherwise build the new package object graph.
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((eq? (package-build-system p) python-build-system)
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(package/inherit p
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(location (package-location p))
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(name (let ((name (package-name p)))
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(string-append new-prefix
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(if (string-prefix? old-prefix name)
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(substring name
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(string-length old-prefix))
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name))))
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(arguments
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(let ((python (if (promise? python)
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(force python)
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python)))
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(ensure-keyword-arguments (package-arguments p)
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`(#:python ,python))))))
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(else p)))
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(define (cut? p)
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(or (not (eq? (package-build-system p) python-build-system))
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(package-variant p)))
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(package-mapping transform cut?))
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(define package-with-python2
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;; Note: delay call to 'default-python2' until after the 'arguments' field
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;; of packages is accessed to avoid a circular dependency when evaluating
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;; the top-level of (gnu packages python).
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(package-with-explicit-python (delay (default-python2))
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"python-" "python2-"
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#:variant-property 'python2-variant))
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(define (strip-python2-variant p)
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"Remove the 'python2-variant' property from P."
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(package/inherit p
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(properties (alist-delete 'python2-variant (package-properties p)))))
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(define* (lower name
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#:key source inputs native-inputs outputs system target
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(python (default-python))
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#:allow-other-keys
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#:rest arguments)
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"Return a bag for NAME."
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(define private-keywords
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'(#:target #:python #:inputs #:native-inputs))
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(and (not target) ;XXX: no cross-compilation
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(bag
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(name name)
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(system system)
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(host-inputs `(,@(if source
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`(("source" ,source))
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'())
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,@inputs
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;; Keep the standard inputs of 'gnu-build-system'.
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,@(standard-packages)))
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(build-inputs `(("python" ,python)
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("sanity-check.py" ,(local-file sanity-check.py))
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,@native-inputs))
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(outputs outputs)
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(build python-build)
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(arguments (strip-keyword-arguments private-keywords arguments)))))
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(define* (python-build name inputs
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#:key source
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(tests? #t)
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(test-target "test")
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(use-setuptools? #t)
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(configure-flags ''())
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(phases '%standard-phases)
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(outputs '("out"))
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(search-paths '())
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(system (%current-system))
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(guile #f)
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(imported-modules %python-build-system-modules)
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(modules '((guix build python-build-system)
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(guix build utils))))
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"Build SOURCE using PYTHON, and with INPUTS. This assumes that SOURCE
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provides a 'setup.py' file as its build system."
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(define build
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(with-imported-modules imported-modules
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#~(begin
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(use-modules #$@(sexp->gexp modules))
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#$(with-build-variables inputs outputs
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#~(python-build #:name #$name
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#:source #+source
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#:configure-flags #$configure-flags
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#:use-setuptools? #$use-setuptools?
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#:system #$system
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#:test-target #$test-target
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#:tests? #$tests?
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#:phases #$(if (pair? phases)
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(sexp->gexp phases)
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phases)
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#:outputs %outputs
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#:search-paths '#$(sexp->gexp
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(map search-path-specification->sexp
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search-paths))
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#:inputs %build-inputs)))))
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(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
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system #:graft? #f)))
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(gexp->derivation name build
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#:system system
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#:graft? #f ;consistent with 'gnu-build'
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#:target #f
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#:guile-for-build guile)))
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(define python-build-system
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(build-system
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(name 'python)
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(description "The standard Python build system")
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(lower lower)))
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;;; python.scm ends here
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