summaryrefslogtreecommitdiff
path: root/guix/build/julia-build-system.scm
diff options
context:
space:
mode:
Diffstat (limited to 'guix/build/julia-build-system.scm')
-rw-r--r--guix/build/julia-build-system.scm135
1 files changed, 135 insertions, 0 deletions
diff --git a/guix/build/julia-build-system.scm b/guix/build/julia-build-system.scm
new file mode 100644
index 0000000000..ff6fcf5fe3
--- /dev/null
+++ b/guix/build/julia-build-system.scm
@@ -0,0 +1,135 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 Nicolò Balzarotti <nicolo@nixo.xyz>
+;;;
+;;; 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/>.
+
+
+(define-module (guix build julia-build-system)
+ #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+ #:use-module (guix build utils)
+ #:use-module (ice-9 match)
+ #:export (%standard-phases
+ julia-create-package-toml
+ julia-build))
+
+;; Commentary:
+;;
+;; Builder-side code of the standard build procedure for Julia packages.
+;;
+;; Code:
+
+(define (invoke-julia code)
+ (invoke "julia" "-e" code))
+
+;; subpath where we store the package content
+(define %package-path "/share/julia/packages/")
+
+(define (generate-load-path inputs outputs)
+ (string-append
+ (string-join (map (match-lambda
+ ((_ . path)
+ (string-append path %package-path)))
+ ;; Restrict to inputs beginning with "julia-".
+ (filter (match-lambda
+ ((name . _)
+ (string-prefix? "julia-" name)))
+ inputs))
+ ":")
+ (string-append ":" (assoc-ref outputs "out") %package-path)
+ ;; stdlib is always required to find Julia's standard libraries.
+ ;; usually there are other two paths in this variable:
+ ;; "@" and "@v#.#"
+ ":@stdlib"))
+
+(define* (install #:key source inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (package-dir (string-append out %package-path
+ (string-append
+ (strip-store-file-name source)))))
+ (setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
+ (mkdir-p package-dir)
+ (copy-recursively source package-dir))
+ #t)
+
+;; TODO: Precompilation is working, but I don't know how to tell
+;; julia to use use it. If (on rantime) we set HOME to
+;; store path, julia tries to write files there (failing)
+(define* (precompile #:key source inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (builddir (string-append out "/share/julia/"))
+ (package (strip-store-file-name source)))
+ (mkdir-p builddir)
+ (setenv "JULIA_DEPOT_PATH" builddir)
+ (setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
+ ;; Actual precompilation
+ (invoke-julia (string-append "using " package)))
+ #t)
+
+(define* (check #:key source inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (package (strip-store-file-name source))
+ (builddir (string-append out "/share/julia/")))
+ (setenv "JULIA_DEPOT_PATH" builddir)
+ (setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
+ (invoke-julia (string-append "using Pkg;Pkg.test(\"" package "\")")))
+ #t)
+
+(define (julia-create-package-toml outputs source
+ name uuid version
+ deps)
+ "Some packages are not using the new Package.toml dependency specifications.
+Write this file manually, so that Julia can find its dependencies."
+ (let ((f (open-file
+ (string-append
+ (assoc-ref outputs "out")
+ %package-path
+ (string-append
+ name "/Project.toml"))
+ "w")))
+ (display (string-append
+ "
+name = \"" name "\"
+uuid = \"" uuid "\"
+version = \"" version "\"
+") f)
+ (when (not (null? deps))
+ (display "[deps]\n" f)
+ (for-each (lambda dep
+ (display (string-append (car (car dep)) " = \"" (cdr (car dep)) "\"\n")
+ f))
+ deps))
+ (close-port f))
+ #t)
+
+(define %standard-phases
+ (modify-phases gnu:%standard-phases
+ (delete 'check) ; tests must be run after installation
+ (replace 'install install)
+ (add-after 'install 'precompile precompile)
+ ;; (add-after 'install 'check check)
+ ;; TODO: In the future we could add a "system-image-generation" phase
+ ;; where we use PackageCompiler.jl to speed up package loading times
+ (delete 'configure)
+ (delete 'bootstrap)
+ (delete 'patch-usr-bin-file)
+ (delete 'build)))
+
+(define* (julia-build #:key inputs (phases %standard-phases)
+ #:allow-other-keys #:rest args)
+ "Build the given Julia package, applying all of PHASES in order."
+ (apply gnu:gnu-build
+ #:inputs inputs #:phases phases
+ args))