@@ 9,6 9,7 @@
;;; Copyright © 2021 Cees de Groot <cg@evrl.com>
;;; Copyright © 2022 jgart <jgart@dismail.de>
;;; Copyright © 2023 wrobell <wrobell@riseup.net>
+;;; Copyright © 2023 Tim Johann <t1m@phrogstar.de>
;;;
;;; This file is part of GNU Guix.
;;;
@@ 27,6 28,7 @@
(define-module (gnu packages erlang)
#:use-module ((guix licenses) #:prefix license:)
+ #:use-module (guix gexp)
#:use-module (guix build-system gnu)
#:use-module (guix build-system emacs)
#:use-module (guix build-system rebar)
@@ 738,3 740,75 @@ a git checkout.")
(description "This plugin allows running PropEr test suites from within
rebar3.")
(license license:bsd-3)))
+
+(define-public erlang-lfe
+ (package
+ (name "erlang-lfe")
+ (version "2.1.2")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/lfe/lfe")
+ (commit "v2.1.2")))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "180hz1p2v3vb6yyzcfwircmljlnd86ln8z80lzy3mwlyrcxblvxy"))))
+ (build-system gnu-build-system)
+ (arguments
+ (list
+ #:modules '((ice-9 ftw)
+ (srfi srfi-26)
+ (guix build gnu-build-system)
+ (guix build utils))
+ #:make-flags #~(list (string-append "PREFIX=" #$output) "CC=gcc")
+ #:phases
+ #~(modify-phases %standard-phases
+ (delete 'configure)
+ ;; The following is inspired by rebar-build-system.scm
+ (add-before 'check 'erlang-depends
+ (lambda* (#:key inputs #:allow-other-keys)
+ (define input-directories
+ (list #$(this-package-native-input "rebar3-proper")
+ #$(this-package-native-input "erlang-proper")))
+ (mkdir-p "_checkouts")
+ (for-each
+ (lambda (input-dir)
+ (let ((elibdir (string-append input-dir "/lib/erlang/lib")))
+ (when (directory-exists? elibdir)
+ (for-each
+ (lambda (dirname)
+ (let ((src (string-append elibdir "/" dirname))
+ (dest (string-append "_checkouts/" dirname)))
+ (when (not (file-exists? dest))
+ ;; Symlinking will not work, since rebar3 will try
+ ;; to overwrite the _build directory several times
+ ;; with the contents of _checkout, so we copy the
+ ;; directory tree to _checkout and make it
+ ;; writable.
+ (copy-recursively src dest #:follow-symlinks? #t)
+ (for-each (cut chmod <> #o777)
+ (find-files dest)))))
+ (scandir elibdir (lambda (file)
+ (and (not (member file '("." "..")))
+ (file-is-directory?
+ (string-append elibdir
+ "/"
+ file)))))))))
+ input-directories)))
+ (replace 'check
+ (lambda* (#:key tests? #:allow-other-keys)
+ (when tests?
+ (begin
+ (setenv "REBAR_CACHE_DIR" "/tmp")
+ (invoke "make" "-j" (number->string (parallel-job-count))
+ "tests"))))))))
+ (native-inputs (list rebar3 rebar3-proper erlang-proper))
+ (propagated-inputs (list erlang))
+ (home-page "https://github.com/lfe/lfe")
+ (synopsis "Lisp Flavoured Erlang")
+ (description
+ "LFE, Lisp Flavoured Erlang, is a Lisp syntax front-end to the Erlang
+compiler. Code produced with it is compatible with \"normal\" Erlang
+ code. An LFE evaluator and shell is also included.")
+ (license license:asl2.0)))