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;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
;;; Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of Guix.
;;;
;;; 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.
;;;
;;; 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 Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix build-system gnu)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix derivations)
#:use-module (guix build-system)
#:use-module (guix packages)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-39)
#:use-module (ice-9 match)
#:export (gnu-build
gnu-build-system
package-with-explicit-inputs))
;; Commentary:
;;
;; Standard build procedure for packages using the GNU Build System or
;; something compatible ("./configure && make && make install").
;;
;; Code:
(define* (package-with-explicit-inputs p boot-inputs
#:optional
(loc (current-source-location)))
"Rewrite P, which is assumed to use GNU-BUILD-SYSTEM, to take BOOT-INPUTS
as explicit inputs instead of the implicit default, and return it."
(define rewritten-input
(match-lambda
((name (? package? p) sub-drv ...)
(cons* name (package-with-explicit-inputs p boot-inputs) sub-drv))
(x x)))
(define boot-input-names
(map car boot-inputs))
(define (filtered-inputs inputs)
(fold alist-delete inputs boot-input-names))
(package (inherit p)
(location (if (pair? loc) (source-properties->location loc) loc))
(arguments
(let ((args (package-arguments p)))
(if (procedure? args)
(lambda (system)
`(#:implicit-inputs? #f ,@(args system)))
`(#:implicit-inputs? #f ,@args))))
(native-inputs (map rewritten-input
(filtered-inputs (package-native-inputs p))))
(propagated-inputs (map rewritten-input
(filtered-inputs
(package-propagated-inputs p))))
(inputs `(,@boot-inputs
,@(map rewritten-input
(filtered-inputs (package-inputs p)))))))
(define %store
;; Store passed to STANDARD-INPUTS.
(make-parameter #f))
(define standard-inputs
(memoize
(lambda (system)
"Return the list of implicit standard inputs used with the GNU Build
System: GCC, GNU Make, Bash, Coreutils, etc."
(map (match-lambda
((name pkg sub-drv ...)
(cons* name (package-derivation (%store) pkg system) sub-drv))
((name (? derivation-path? path) sub-drv ...)
(cons* name path sub-drv))
(z
(error "invalid standard input" z)))
;; Resolve (distro base) lazily to hide circular dependency.
(let* ((distro (resolve-module '(distro base)))
(inputs (module-ref distro '%final-inputs)))
(append inputs
(append-map (match-lambda
((name package _ ...)
(package-transitive-propagated-inputs package)))
inputs)))))))
(define* (gnu-build store name source inputs
#:key (outputs '("out")) (configure-flags ''())
(make-flags ''())
(patches ''()) (patch-flags ''("--batch" "-p1"))
(out-of-source? #f)
(path-exclusions ''())
(tests? #t)
(parallel-build? #t) (parallel-tests? #t)
(patch-shebangs? #t)
(strip-binaries? #t)
(strip-flags ''("--strip-debug"))
(strip-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(phases '%standard-phases)
(system (%current-system))
(implicit-inputs? #t) ; useful when bootstrapping
(modules '((guix build gnu-build-system)
(guix build utils))))
"Return a derivation called NAME that builds from tarball SOURCE, with
input derivation INPUTS, using the usual procedure of the GNU Build System."
(define builder
`(begin
(use-modules ,@modules)
(gnu-build #:source ,(if (derivation-path? source)
(derivation-path->output-path source)
source)
#:outputs %outputs
#:inputs %build-inputs
#:patches ,patches
#:patch-flags ,patch-flags
#:phases ,phases
#:configure-flags ,configure-flags
#:make-flags ,make-flags
#:out-of-source? ,out-of-source?
#:path-exclusions ,path-exclusions
#:tests? ,tests?
#:parallel-build? ,parallel-build?
#:parallel-tests? ,parallel-tests?
#:patch-shebangs? ,patch-shebangs?
#:strip-binaries? ,strip-binaries?
#:strip-flags ,strip-flags
#:strip-directories ,strip-directories)))
(build-expression->derivation store name system
builder
`(("source" ,source)
,@inputs
,@(if implicit-inputs?
(parameterize ((%store store))
(standard-inputs system))
'()))
#:outputs outputs
#:modules modules))
(define gnu-build-system
(build-system (name 'gnu)
(description
"The GNU Build System—i.e., ./configure && make && make install")
(build gnu-build))) ; TODO: add `gnu-cross-build'
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