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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 gnu-build-system)
#:use-module (guix build utils)
#:use-module (ice-9 ftw)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (%standard-phases
gnu-build))
;; Commentary:
;;
;; Standard build procedure for packages using the GNU Build System or
;; something compatible ("./configure && make && make install"). This is the
;; builder-side code.
;;
;; Code:
(define (first-subdirectory dir)
"Return the path of the first sub-directory of DIR."
(file-system-fold (lambda (path stat result)
(string=? path dir))
(lambda (path stat result) result) ; leaf
(lambda (path stat result) result) ; down
(lambda (path stat result) result) ; up
(lambda (path stat result) ; skip
(or result path))
(lambda (path stat errno result) ; error
(error "first-subdirectory" (strerror errno)))
#f
dir))
(define* (set-paths #:key inputs #:allow-other-keys)
(let ((inputs (map cdr inputs)))
(set-path-environment-variable "PATH" '("bin") inputs)
(set-path-environment-variable "CPATH" '("include") inputs)
(set-path-environment-variable "LIBRARY_PATH" '("lib" "lib64") inputs)))
(define* (unpack #:key source #:allow-other-keys)
(and (zero? (system* "tar" "xvf" source))
(chdir (first-subdirectory "."))))
(define* (configure #:key outputs (configure-flags '()) #:allow-other-keys)
(let ((prefix (assoc-ref outputs "out"))
(libdir (assoc-ref outputs "lib"))
(includedir (assoc-ref outputs "include")))
(zero? (apply system* "./configure"
"--enable-fast-install"
(string-append "--prefix=" prefix)
`(,@(if libdir
(list (string-append "--libdir=" libdir))
'())
,@(if includedir
(list (string-append "--includedir=" includedir))
'())
,@configure-flags)))))
(define* (build #:key (make-flags '()) #:allow-other-keys)
(zero? (apply system* "make" make-flags)))
(define* (check #:key (make-flags '()) #:allow-other-keys)
(zero? (apply system* "make" "check" make-flags)))
(define* (install #:key (make-flags '()) #:allow-other-keys)
(zero? (apply system* "make" "install" make-flags)))
(define %standard-phases
;; Standard build phases, as a list of symbol/procedure pairs.
(let-syntax ((phases (syntax-rules ()
((_ p ...) `((p . ,p) ...)))))
(phases set-paths unpack configure build check install)))
(define* (gnu-build #:key (source #f) (outputs #f) (inputs #f)
(phases %standard-phases)
#:allow-other-keys
#:rest args)
"Build from SOURCE to OUTPUTS, using INPUTS, and by running all of PHASES
in order. Return #t if all the PHASES succeeded, #f otherwise."
(setvbuf (current-output-port) _IOLBF)
;; The trick is to #:allow-other-keys everywhere, so that each procedure in
;; PHASES can pick the keyword arguments it's interested in.
(every (match-lambda
((name . proc)
(format #t "starting phase `~a'~%" name)
(apply proc args)))
phases))
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