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build: julia-build-system: Update for new Julia version.

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* guix/build/julia-build-system.scm (generate-load-path): Delete function.
(install): Don't set JULIA_LOAD_PATH.
(precompile): Set SOURCE_DATE_EPOCH. Update calculating the
JULIA_LOAD_PATH. Adjust the 'invoke-julia' command.
(check): Set SOURCE_DATE_EPOCH. Adjust JULIA_LOAD_PATH.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
This commit is contained in:
nixo 2020-01-17 19:40:55 +01:00 • committed by Efraim Flashner
parent 354490dfe9
commit 93d5cea57e
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1 changed files with 22 additions and 29 deletions
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51
guix/build/julia-build-system.scm
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@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Nicolò Balzarotti <nicolo@nixo.xyz>
;;; Copyright © 2019, 2020 Nicolò Balzarotti <nicolo@nixo.xyz>
;;;
;;; This file is part of GNU Guix.
;;;
@ -37,53 +37,46 @@
;; 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))
(strip-store-file-name source))))
(mkdir-p package-dir)
(copy-recursively source package-dir))
(copy-recursively (getcwd) 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)
;; With a patch, SOURCE_DATE_EPOCH is honored
(setenv "SOURCE_DATE_EPOCH" "1")
(setenv "JULIA_DEPOT_PATH" builddir)
(setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
;; Actual precompilation
(invoke-julia (string-append "using " package)))
;; Add new package dir to the load path.
(setenv "JULIA_LOAD_PATH"
(string-append builddir "packages/" ":"
(or (getenv "JULIA_LOAD_PATH")
"")))
;; Actual precompilation:
(invoke-julia
;; When using Julia as a user, Julia writes precompile cache to the first
;; entry of the DEPOT_PATH list (by default, the home dir). We want to
;; write it to the store, so let's push the store path as the first
;; element of DEPOT_PATH. Once the cache file exists, this hack is not
;; needed anymore (like in the check phase). If the user install new
;; packages, those will be installed and precompiled in the home dir.
(string-append "pushfirst!(DEPOT_PATH, pop!(DEPOT_PATH)); 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/")))
;; With a patch, SOURCE_DATE_EPOCH is honored
(setenv "SOURCE_DATE_EPOCH" "1")
(setenv "JULIA_DEPOT_PATH" builddir)
(setenv "JULIA_LOAD_PATH" (generate-load-path inputs outputs))
(setenv "JULIA_LOAD_PATH" (string-append builddir "packages/"))
(invoke-julia (string-append "using Pkg;Pkg.test(\"" package "\")")))
#t)