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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Steve Sprang <>
;;; Copyright © 2016, 2017 Leo Famulari <>
;;; Copyright © 2016, 2017 Pjotr Prins <>
;;; Copyright © 2018 Tobias Geerinckx-Rice <>
;;; Copyright © 2018 Nils Gillmann <>
;;; 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
;;; 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 <>.
(define-module (gnu packages erlang)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system gnu)
#:use-module (guix download)
#:use-module (guix git-download)
#:use-module (guix packages)
#:use-module (guix utils)
#:use-module (gnu packages)
#:use-module (gnu packages autotools)
#:use-module (gnu packages fontutils)
#:use-module (gnu packages gl)
#:use-module (gnu packages ncurses)
#:use-module (gnu packages perl)
#:use-module (gnu packages tls)
#:use-module (gnu packages wxwidgets))
(define-public erlang
(name "erlang")
(version "21.0")
(source (origin
(method git-fetch)
;; The tarball from contains many
;; pre-compiled files, so we use this snapshot of the source
;; repository.
(uri (git-reference
(url "")
(commit (string-append "OTP-" version))))
(file-name (git-file-name name version))
(patches (search-patches "erlang-man-path.patch"))))
(build-system gnu-build-system)
`(("perl" ,perl)
("autoconf" ,autoconf)
("automake" ,automake)
;; Erlang's documentation is distributed in a separate tarball.
(method url-fetch)
(uri (string-append ""
(version-major+minor version) ".tar.gz"))
`(("ncurses" ,ncurses)
("openssl" ,openssl)
("wxwidgets" ,wxwidgets)))
`(("fontconfig" ,fontconfig)
("glu" ,glu)
("mesa" ,mesa)))
`(#:test-target "release_tests"
(list "--disable-saved-compile-time"
(string-append "--with-ssl=" (assoc-ref %build-inputs "openssl")))
#:modules ((srfi srfi-19) ; make-time, et cetera.
(guix build utils)
(guix build gnu-build-system))
(modify-phases %standard-phases
(delete 'bootstrap)
;; The are several code fragments that embed timestamps into the
;; output. Here, we alter those fragments to use the value of
(add-after 'unpack 'remove-timestamps
(lambda _
(let ((source-date-epoch
(make-time time-utc 0 (string->number
(getenv "SOURCE_DATE_EPOCH"))))))
(substitute* "lib/reltool/src/reltool_target.erl"
(("Date = date\\(\\),")
(string-append "Date = "
(date->string source-date-epoch
(substitute* "lib/reltool/src/reltool_target.erl"
(("Time = time\\(\\),")
(string-append "Time = "
(date->string source-date-epoch
(substitute* '("lib/reltool/src/reltool_target.erl"
(("date\\(\\), time\\(\\),")
(date->string source-date-epoch
"{~Y,~m,~d}, {~H,~M,~S},")))
(substitute* "lib/dialyzer/test/small_SUITE_data/src/gs_make.erl"
"tuple_to_list({~Y,~m,~d}), tuple_to_list({~H,~M,~S})")))
(substitute* "lib/snmp/src/compile/snmpc_mib_to_hrl.erl"
(("\\{Y,Mo,D\\} = date\\(\\),")
(date->string source-date-epoch
"{Y,Mo,D} = {~Y,~m,~d},")))
(substitute* "lib/snmp/src/compile/snmpc_mib_to_hrl.erl"
(("\\{H,Mi,S\\} = time\\(\\),")
(date->string source-date-epoch
"{H,Mi,S} = {~H,~M,~S},")))
(add-after 'unpack 'patch-/bin/sh
(lambda _
(substitute* "erts/etc/unix/run_erl.c"
(("sh = \"/bin/sh\";")
(string-append "sh = \""
(which "sh")
(substitute* "erts/emulator/sys/unix/sys_drivers.c"
(("SHELL \"/bin/sh\"")
(string-append "SHELL \""
(which "sh")
(substitute* "erts/emulator/sys/unix/erl_child_setup.c"
(("SHELL \"/bin/sh\"")
(string-append "SHELL \""
(which "sh")
(substitute* "lib/kernel/src/os.erl"
(("/bin/sh") (which "sh")))
(add-after 'patch-source-shebangs 'patch-source-env
(lambda _
(let ((escripts
(find-files "." "\\.escript")
(find-files "lib/stdlib/test/escript_SUITE_data/")
(substitute* escripts
(("/usr/bin/env") (which "env")))
(add-before 'configure 'set-erl-top
(lambda _
(setenv "ERL_TOP" (getcwd))
(add-after 'patch-source-env 'autoconf
(lambda _
(invoke "./otp_build" "autoconf")
(add-after 'install 'patch-erl
;; This only works after install.
(lambda* (#:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out")))
(substitute* (string-append out "/bin/erl")
(("sed") (which "sed")))
(add-after 'install 'install-doc
(lambda* (#:key inputs outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(manpages (assoc-ref inputs "erlang-manpages"))
(share (string-append out "/share/")))
(mkdir-p share)
(mkdir-p (string-append share "/misc/erlang"))
(with-directory-excursion share
(invoke "tar" "xvf" manpages)
(rename-file "COPYRIGHT"
(string-append share "/misc/erlang/COPYRIGHT"))
;; Delete superfluous file.
(delete-file "PR.template"))
(home-page "")
(synopsis "The Erlang programming language")
"Erlang is a programming language used to build massively
scalable soft real-time systems with requirements on high
availability. Some of its uses are in telecoms, banking, e-commerce,
computer telephony and instant messaging. Erlang's runtime system has
built-in support for concurrency, distribution and fault tolerance.")
;; Erlang is distributed under the Apache License 2.0, but some components
;; have other licenses. See 'system/COPYRIGHT' in the source distribution.
(license (list license:asl2.0 license:bsd-2 license:bsd-3 license:expat
license:lgpl2.0+ license:tcl/tk license:zlib))))