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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)
#:use-module (srfi srfi-26)
#: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)
;; FIXME: Eventually move this to the `search-paths' field of the
;; `pkg-config' package.
(set-path-environment-variable "PKG_CONFIG_PATH"
'("lib/pkgconfig" "lib64/pkgconfig")
inputs)
;; Dump the environment variables as a shell script, for handy debugging.
(system "export > environment-variables")))
(define* (unpack #:key source #:allow-other-keys)
(and (zero? (system* "tar" "xvf" source))
(chdir (first-subdirectory "."))))
(define* (patch #:key (patches '()) (patch-flags '("--batch" "-p1"))
#:allow-other-keys)
(every (lambda (p)
(format #t "applying patch `~a'~%" p)
(zero? (apply system* "patch"
(append patch-flags (list p)))))
patches))
(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"))
(flags `(,(string-append "--prefix=" prefix)
"--enable-fast-install" ; when using Libtool
;; Produce multiple outputs when specific output names
;; are recognized.
,@(if libdir
(list (string-append "--libdir=" libdir "/lib"))
'())
,@(if includedir
(list (string-append "--includedir="
includedir "/include"))
'())
,@configure-flags)))
(format #t "configure flags: ~s~%" flags)
(zero? (apply system* "./configure" flags))))
(define* (build #:key (make-flags '()) (parallel-build? #t)
#:allow-other-keys)
(zero? (apply system* "make"
`(,@(if parallel-build?
`("-j" ,(getenv "NIX_BUILD_CORES"))
'())
,@make-flags))))
(define* (check #:key (make-flags '()) (tests? #t) (test-target "check")
(parallel-tests? #t)
#:allow-other-keys)
(if tests?
(zero? (apply system* "make" test-target
`(,@(if parallel-tests?
`("-j" ,(getenv "NIX_BUILD_CORES"))
'())
,@make-flags)))
(begin
(format #t "test suite not run~%")
#t)))
(define* (install #:key (make-flags '()) #:allow-other-keys)
(zero? (apply system* "make" "install" make-flags)))
(define* (patch-shebangs #:key outputs (patch-shebangs? #t)
#:allow-other-keys)
(define (list-of-files dir)
(map (cut string-append dir "/" <>)
(or (scandir dir (lambda (f)
(let ((s (stat (string-append dir "/" f))))
(eq? 'regular (stat:type s)))))
'())))
(define bindirs
(append-map (match-lambda
((_ . dir)
(list (string-append dir "/bin")
(string-append dir "/sbin"))))
outputs))
(for-each (lambda (dir)
(let ((files (list-of-files dir)))
(for-each patch-shebang files)))
bindirs)
#t)
(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 patch configure build check install
patch-shebangs)))
(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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