[v2 1/1] gnu: Add erlang.

[Leo Famulari]

From: Steve Sprang <address@hidden>

* gnu/packages/erlang.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

Co-authored by: Leo Famulari <address@hidden>
---
 gnu-system.am           |   1 +
 gnu/packages/erlang.scm | 116 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 117 insertions(+)
 create mode 100644 gnu/packages/erlang.scm

diff --git a/gnu-system.am b/gnu-system.am
index 6cdc1e3..e782c66 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -102,6 +102,7 @@ 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..4c0bc33
--- /dev/null
+++ b/gnu/packages/erlang.scm
@@ -0,0 +1,116 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Steve Sprang <address@hidden>
+;;; Copyright © 2016 Leo Famulari <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 ncurses)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages tls))
+
+(define-public erlang
+  (package
+    (name "erlang")
+    ;; When updating, remember to update the hash of erlang-manpages!
+    (version "18.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://erlang.org/download/otp_src_";
+                    version
+                    ".tar.gz"))
+              (sha256
+               (base32
+                "1hy9slq9gjvwdb504dmvp6rax90isnky6chqkyq5v4ybl4lq3azx"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("perl" ,perl)
+
+       ;; Erlang's documentation is distributed in a separate tarball.
+       ("erlang-manpages"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append "http://erlang.org/download/otp_doc_man_";
+                               version ".tar.gz"))
+           (sha256
+            (base32
+             "1hpcr7a3dx2y9gnb53bvb4g6lyvbwigadl9s3f978s01x40f32wp"))))))
+    (inputs
+     `(("ncurses" ,ncurses)
+       ("openssl" ,openssl)))
+    (arguments
+     `(#:test-target "release_tests"
+       #:configure-flags
+       (list (string-append "--with-ssl=" (assoc-ref %build-inputs "openssl")))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'path-to-rm
+           (lambda _
+             (substitute* "erts/configure"
+               (("/bin/rm") (which "rm")))
+             (substitute* "lib/odbc/configure"
+               (("/bin/rm") (which "rm")))))
+         (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 'set-erl-top
+           (lambda _
+             (setenv "ERL_TOP" (getcwd))))
+         (add-after 'install 'patch-erl
+           ;; This only works after install.
+           (lambda _
+             (substitute* (string-append (assoc-ref %outputs "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)
+             (with-directory-excursion share
+               (and
+                 (zero? (system* "tar" "xvf" manpages))
+                 ;; Delete superfluous files.
+                 (for-each delete-file '("COPYRIGHT"
+                                         "PR.template"
+                                         "README"))))))))))
+    (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)))
-- 
2.7.3