guix-devel/build-aux/hydra/gnu-system.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU 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.
;;;
;;; GNU 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
;;;
;;; This file defines build jobs for the Hydra continuation integration
;;; tool.
;;;
;; Attempt to use our very own Guix modules.
(eval-when (compile load eval)
;; Ignore any available .go, and force recompilation. This is because our
;; checkout in the store has mtime set to the epoch, and thus .go files look
;; newer, even though they may not correspond.
(set! %fresh-auto-compile #t)
(and=> (assoc-ref (current-source-location) 'filename)
(lambda (file)
(let ((dir (string-append (dirname file) "/../..")))
(format (current-error-port) "prepending ~s to the load path~%"
dir)
(set! %load-path (cons dir %load-path))))))
(use-modules (guix config)
(guix store)
(guix packages)
(guix derivations)
(guix monads)
((guix licenses) #:select (gpl3+))
((guix utils) #:select (%current-system))
((guix scripts system) #:select (read-operating-system))
(gnu packages)
(gnu packages gcc)
(gnu packages base)
(gnu packages gawk)
(gnu packages guile)
(gnu packages gettext)
(gnu packages compression)
(gnu packages multiprecision)
(gnu packages make-bootstrap)
(gnu packages commencement)
(gnu system)
(gnu system vm)
(gnu system install)
(srfi srfi-1)
(srfi srfi-26)
(ice-9 match))
;; XXX: Debugging hack: since `hydra-eval-guile-jobs' redirects the output
;; port to the bit bucket, let us write to the error port instead.
(setvbuf (current-error-port) _IOLBF)
(set-current-output-port (current-error-port))
(define* (package->alist store package system
#:optional (package-derivation package-derivation))
"Convert PACKAGE to an alist suitable for Hydra."
`((derivation . ,(derivation-file-name
(package-derivation store package system)))
(description . ,(package-synopsis package))
(long-description . ,(package-description package))
(license . ,(package-license package))
(home-page . ,(package-home-page package))
(maintainers . ("bug-guix@gnu.org"))
;; Work around versions of 'hydra-eval-guile-jobs' before Hydra commit
;; 61448ca (27 Feb. 2014) which used a default timeout of 2h.
(timeout . 72000)))
(define (package-job store job-name package system)
"Return a job called JOB-NAME that builds PACKAGE on SYSTEM."
(let ((job-name (symbol-append job-name (string->symbol ".")
(string->symbol system))))
`(,job-name . ,(cut package->alist store package system))))
(define (package-cross-job store job-name package target system)
"Return a job called TARGET.JOB-NAME that cross-builds PACKAGE for TARGET on
SYSTEM."
`(,(symbol-append (string->symbol target) (string->symbol ".") job-name
(string->symbol ".") (string->symbol system)) .
,(cute package->alist store package system
(cut package-cross-derivation <> <> target <>))))
(define %core-packages
;; Note: Don't put the '-final' package variants because (1) that's
;; implicit, and (2) they cannot be cross-built (due to the explicit input
;; chain.)
(list gcc-4.8 gcc-4.7 glibc binutils
gmp mpfr mpc coreutils findutils diffutils patch sed grep
gawk gnu-gettext hello guile-2.0 zlib gzip xz
%bootstrap-binaries-tarball
%binutils-bootstrap-tarball
%glibc-bootstrap-tarball
%gcc-bootstrap-tarball
%guile-bootstrap-tarball
%bootstrap-tarballs))
(define %packages-to-cross-build
%core-packages)
(define %cross-targets
'("mips64el-linux-gnu"
"mips64el-linux-gnuabi64"))
(define (demo-os)
"Return the \"demo\" 'operating-system' structure."
(let* ((dir (dirname (assoc-ref (current-source-location) 'filename)))
(file (string-append dir "/demo-os.scm")))
(read-operating-system file)))
(define (qemu-jobs store system)
"Return a list of jobs that build QEMU images for SYSTEM."
(define (->alist drv)
`((derivation . ,(derivation-file-name drv))
(description . "Stand-alone QEMU image of the GNU system")
(long-description . "This is a demo stand-alone QEMU image of the GNU
system.")
(license . ,gpl3+)
(home-page . ,%guix-home-page-url)
(maintainers . ("bug-guix@gnu.org"))))
(define (->job name drv)
(let ((name (symbol-append name (string->symbol ".")
(string->symbol system))))
`(,name . ,(cut ->alist drv))))
(define MiB
(expt 2 20))
(if (member system '("x86_64-linux" "i686-linux"))
(list (->job 'qemu-image
(run-with-store store
(system-qemu-image (demo-os)
#:disk-image-size
(* 1400 MiB)))) ; 1.4 GiB
(->job 'usb-image
(run-with-store store
(system-disk-image installation-os
#:disk-image-size
(* 630 MiB)))))
'()))
(define job-name
;; Return the name of a package's job.
(compose string->symbol package-full-name))
(define package->job
(let ((base-packages
(delete-duplicates
(append-map (match-lambda
((_ package _ ...)
(match (package-transitive-inputs package)
(((_ inputs _ ...) ...)
inputs))))
%final-inputs))))
(lambda (store package system)
"Return a job for PACKAGE on SYSTEM, or #f if this combination is not
valid."
(cond ((member package base-packages)
#f)
((member system
(package-transitive-supported-systems package))
(package-job store (job-name package) package system))
(else
#f)))))
;;;
;;; Hydra entry point.
;;;
(define (hydra-jobs store arguments)
"Return Hydra jobs."
(define subset
(match (assoc-ref arguments 'subset)
("core" 'core) ; only build core packages
(_ 'all))) ; build everything
(define (cross-jobs system)
(define (from-32-to-64? target)
;; Return true if SYSTEM is 32-bit and TARGET is 64-bit.
;; This hacks prevents known-to-fail cross-builds from i686-linux to
;; mips64el-linux-gnuabi64.
(and (string-prefix? "i686-" system)
(string-suffix? "64" target)))
(define (same? target)
;; Return true if SYSTEM and TARGET are the same thing. This is so we
;; don't try to cross-compile to 'mips64el-linux-gnu' from
;; 'mips64el-linux'.
(string-contains target system))
(define (either proc1 proc2)
(lambda (x)
(or (proc1 x) (proc2 x))))
(append-map (lambda (target)
(map (lambda (package)
(package-cross-job store (job-name package)
package target system))
%packages-to-cross-build))
(remove (either from-32-to-64? same?) %cross-targets)))
;; Return one job for each package, except bootstrap packages.
(append-map (lambda (system)
(case subset
((all)
;; Build everything.
(fold-packages (lambda (package result)
(let ((job (package->job store package
system)))
(if job
(cons job result)
result)))
(append (qemu-jobs store system)
(cross-jobs system))))
((core)
;; Build core packages only.
(append (map (lambda (package)
(package-job store (job-name package)
package system))
%core-packages)
(cross-jobs system)))
(else
(error "unknown subset" subset))))
%supported-systems))