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* guix/build-system.scm (<bag>)[system, target]: New fields.
(make-bag): Add #:system parameter and pass it to LOWER.
* gnu/packages/bootstrap.scm (make-raw-bag): Initialize 'system' field.
* guix/build-system/cmake.scm (lower): Likewise.
* guix/build-system/perl.scm (lower): Likewise.
* guix/build-system/python.scm (lower): Likewise.
* guix/build-system/ruby.scm (lower): Likewise.
* guix/build-system/trivial.scm (lower): Likewise.
* guix/build-system/gnu.scm (lower): Initialize 'system' and 'target'
fields.
* guix/packages.scm (bag->derivation, bag->cross-derivation): New
procedures.
(package-derivation, package-cross-derivation): Use 'bag->derivation'.
* tests/packages.scm ("search paths"): Initialize 'system' and 'target'
fields.
("package->bag", "package->bag, cross-compilation", "bag->derivation",
"bag->derivation, cross-compilation"): New tests.
100 lines
3.8 KiB
Scheme
100 lines
3.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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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)
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#:use-module (guix records)
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#:use-module (ice-9 match)
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#:export (build-system
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build-system?
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build-system-name
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build-system-description
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build-system-lower
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bag
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bag?
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bag-name
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bag-system
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bag-target
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bag-build-inputs
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bag-host-inputs
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bag-target-inputs
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bag-outputs
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bag-arguments
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bag-build
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make-bag))
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(define-record-type* <build-system> build-system make-build-system
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build-system?
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(name build-system-name) ; symbol
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(description build-system-description) ; short description
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(lower build-system-lower)) ; args ... -> bags
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;; "Bags" are low-level representations of "packages". The system and target
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;; of a bag is fixed when it's created. This is because build systems may
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;; choose inputs as a function of the system and target.
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(define-record-type* <bag> bag %make-bag
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bag?
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(name bag-name) ;string
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(system bag-system) ;string
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(target bag-target ;string | #f
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(default #f))
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;; Here we use build/host/target in the sense of the GNU tool chain (info
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;; "(autoconf) Specifying Target Triplets").
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(build-inputs bag-build-inputs ;list of packages
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(default '()))
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(host-inputs bag-host-inputs ;list of packages
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(default '()))
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;; "Target inputs" are packages that are built natively, but that are used
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;; by target programs in a cross-compilation environment. Thus, they act
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;; like 'inputs' as far as search paths are concerned. The only example of
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;; that is the cross-libc: it is an input of 'cross-gcc', thus built
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;; natively; yet, we want it to be considered as a target input for the
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;; purposes of $CPATH, $LIBRARY_PATH, etc.
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(target-inputs bag-target-inputs
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(default '()))
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(outputs bag-outputs ;list of strings
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(default '("out")))
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(arguments bag-arguments ;list
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(default '()))
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(build bag-build)) ;bag -> derivation
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(define* (make-bag build-system name
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#:key source (inputs '()) (native-inputs '())
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(outputs '()) (arguments '())
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system target)
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"Ask BUILD-SYSTEM to return a 'bag' for NAME, with the given SOURCE,
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INPUTS, NATIVE-INPUTS, OUTPUTS, and additional ARGUMENTS. If TARGET is not
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#f, it must be a string with the GNU triplet of a cross-compilation target.
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This is the mechanism by which a package is \"lowered\" to a bag, which is the
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intermediate representation just above derivations."
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(match build-system
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(($ <build-system> _ description lower)
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(apply lower name
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#:system system
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#:source source
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#:inputs inputs
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#:native-inputs native-inputs
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#:outputs outputs
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#:target target
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arguments))))
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