From d31d3b2ece298b3e7610890390a7a12f865be881 Mon Sep 17 00:00:00 2001
From: Steve Sprang <address@hidden>
Date: Sun, 3 Jan 2016 19:46:40 -0800
Subject: [PATCH] gnu: Add erlang.

* gnu/packages/erlang.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
---
 gnu-system.am           |  1 +
 gnu/packages/erlang.scm | 82 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 gnu/packages/erlang.scm

diff --git a/gnu-system.am b/gnu-system.am
index c0f8fac..19d0ec5 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -99,6 +99,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/enchant.scm			\
   gnu/packages/engineering.scm			\
   gnu/packages/enlightenment.scm		\
+  gnu/packages/erlang.scm          		\
   gnu/packages/fcitx.scm			\
   gnu/packages/feh.scm                          \
   gnu/packages/figlet.scm			\
diff --git a/gnu/packages/erlang.scm b/gnu/packages/erlang.scm
new file mode 100644
index 0000000..9349363
--- /dev/null
+++ b/gnu/packages/erlang.scm
@@ -0,0 +1,82 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Steve Sprang <address@hidden>
+;;;
+;;; 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 (gnu packages erlang)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages ncurses)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages tls))
+
+(define-public erlang
+  (package
+    (name "erlang")
+    (version "18.2.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/erlang/otp/archive/OTP-"
+		    version ".tar.gz"))
+              (sha256
+               (base32
+                "101jpgyd2qvpi12ckxkxhs12n9lv7wc4vi8mrdh7b4q54vvdf1r2"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("perl" ,perl)
+       ("autoconf" ,autoconf)))
+    (inputs
+     `(("ncurses" ,ncurses)
+       ("openssl" ,openssl)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+	 (add-after
+	     'patch-source-shebangs 'patch-source-env
+	   (lambda* _
+	     (let ((escripts
+		    (append
+		     (find-files "." "\\.escript")
+		     (find-files "lib/stdlib/test/escript_SUITE_data/")
+		     '("erts/lib_src/utils/make_atomics_api"
+		       "erts/preloaded/src/add_abstract_code"
+		       "lib/diameter/bin/diameterc"
+		       "lib/reltool/examples/display_args"
+		       "lib/reltool/examples/mnesia_core_dump_viewer"
+		       "lib/snmp/src/compile/snmpc.src"
+		       "make/verify_runtime_dependencies"
+		       "make/emd2exml.in"))))
+	       (substitute* escripts
+		 (("/usr/bin/env") (which "env"))))))
+	 (add-before
+	     'configure 'prep-configure
+	   (lambda* _
+	     (setenv "ERL_TOP" (getcwd))
+	     (zero? (system* "./otp_build" "autoconf")))))
+       #:test-target "release_tests"))
+    (home-page "http://erlang.org/")
+    (synopsis "The Erlang programming language")
+    (description
+     "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.")
+    (license license:asl2.0)))
-- 
2.6.3