140 lines
5.1 KiB
Scheme
140 lines
5.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Nicolò Balzarotti <nicolo@nixo.xyz>
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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 julia-build-system)
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#:use-module ((guix build gnu-build-system) #:prefix gnu:)
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#:use-module (guix build utils)
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#:use-module (ice-9 match)
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#:export (%standard-phases
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julia-create-package-toml
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julia-build))
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;; Commentary:
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;;
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;; Builder-side code of the standard build procedure for Julia packages.
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;;
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;; Code:
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(define (invoke-julia code)
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(invoke "julia" "-e" code))
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;; subpath where we store the package content
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(define %package-path "/share/julia/packages/")
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(define (generate-load-path inputs outputs)
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(string-append
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(string-join (map (match-lambda
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((_ . path)
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(string-append path %package-path)))
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;; Restrict to inputs beginning with "julia-".
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(filter (match-lambda
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((name . _)
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(string-prefix? "julia-" name)))
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inputs))
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":")
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(string-append ":" (assoc-ref outputs "out") %package-path)
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;; stdlib is always required to find Julia's standard libraries.
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;; usually there are other two paths in this variable:
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;; "@" and "@v#.#"
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":@stdlib"))
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(define* (install #:key source inputs outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(package-dir (string-append out %package-path
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(string-append
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(strip-store-file-name source)))))
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(setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
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(mkdir-p package-dir)
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(copy-recursively source package-dir))
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#t)
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;; TODO: Precompilation is working, but I don't know how to tell
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;; julia to use use it. If (on rantime) we set HOME to
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;; store path, julia tries to write files there (failing)
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(define* (precompile #:key source inputs outputs #:allow-other-keys)
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(let* ((out (assoc-ref outputs "out"))
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(builddir (string-append out "/share/julia/"))
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(package (strip-store-file-name source)))
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(mkdir-p builddir)
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(setenv "JULIA_DEPOT_PATH" builddir)
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(setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
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;; Actual precompilation
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(invoke-julia (string-append "using " package)))
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#t)
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(define* (check #:key tests? source inputs outputs #:allow-other-keys)
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(when tests?
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(let* ((out (assoc-ref outputs "out"))
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(package (strip-store-file-name source))
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(builddir (string-append out "/share/julia/")))
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(setenv "JULIA_DEPOT_PATH" builddir)
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(setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
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(display builddir)
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(invoke "julia" (string-append builddir
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"packages/"
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package "/test/runtests.jl"))))
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#t)
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(define (julia-create-package-toml outputs source
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name uuid version
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deps)
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"Some packages are not using the new Package.toml dependency specifications.
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Write this file manually, so that Julia can find its dependencies."
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(let ((f (open-file
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(string-append
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(assoc-ref outputs "out")
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%package-path
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(string-append
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name "/Project.toml"))
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"w")))
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(display (string-append
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"
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name = \"" name "\"
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uuid = \"" uuid "\"
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version = \"" version "\"
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") f)
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(when (not (null? deps))
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(display "[deps]\n" f)
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(for-each (lambda dep
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(display (string-append (car (car dep)) " = \"" (cdr (car dep)) "\"\n")
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f))
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deps))
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(close-port f))
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#t)
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(define %standard-phases
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(modify-phases gnu:%standard-phases
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(delete 'check) ; tests must be run after installation
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(replace 'install install)
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(add-after 'install 'precompile precompile)
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(add-after 'install 'check check)
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;; TODO: In the future we could add a "system-image-generation" phase
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;; where we use PackageCompiler.jl to speed up package loading times
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(delete 'configure)
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(delete 'bootstrap)
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(delete 'patch-usr-bin-file)
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(delete 'build)))
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(define* (julia-build #:key inputs (phases %standard-phases)
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#:allow-other-keys #:rest args)
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"Build the given Julia package, applying all of PHASES in order."
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(apply gnu:gnu-build
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#:inputs inputs #:phases phases
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args))
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