;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2017 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; 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.
;;;
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;;; 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 libevent)
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     (list bsd-2 gpl2+))))

(define-public libuv
  (package
    (name "libuv")
    (version "1.19.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://dist.libuv.org/dist/v" version
                                  "/libuv-v" version ".tar.gz"))
              (sha256
               (base32
                "1msk9ac1z69whww88ibrwjqkd1apdla6l77cm2fwy5kigq0z5g3w"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases (modify-phases %standard-phases
                  (add-after 'unpack 'autogen
                    (lambda _
                      ;; Fashionable people don't run 'make dist' these days, so
                      ;; we need to do that ourselves.
                      (invoke "sh" "autogen.sh"))))

       ;; XXX: Some tests want /dev/tty, attempt to make connections, etc.
       #:tests? #f))
    (native-inputs `(("autoconf" ,autoconf-wrapper)
                     ("automake" ,automake)
                     ("libtool" ,libtool)

                     ;; libuv.pc is installed only when pkg-config is found.
                     ("pkg-config" ,pkg-config)))
    (home-page "https://github.com/libuv/libuv")
    (synopsis "Library for asynchronous I/O")
    (description
     "libuv is a multi-platform support library with a focus on asynchronous
I/O.  Among other things, it supports event loops via epoll, kqueue, and
similar IOCP, and event ports, asynchronous TCP/UDP sockets, asynchronous DNS
resolution, asynchronous file system operations, and threading primitives.")

    ;; A few files fall under other non-copyleft licenses; see 'LICENSE' for
    ;; details.  Documentation is CC-BY 4.0 as of 1.12.0; see 'LICENSE-docs'.
    (license (list expat cc-by4.0))))

(define-public perl-anyevent
  (package
    (name "perl-anyevent")
    (version "7.14")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://cpan/authors/id/M/ML/MLEHMANN/"
                                  "AnyEvent-" version ".tar.gz"))
              (sha256
               (base32
                "0akxr9y0q9yjkl614x4clbiiayvh5a67y8gmci54plxs4p95i4sk"))))
    (build-system perl-build-system)
    (native-inputs
     `(("perl-canary-stability" ,perl-canary-stability)))
    (propagated-inputs
     `(("perl-async-interrupt" ,perl-async-interrupt)
       ("perl-ev" ,perl-ev)
       ("perl-guard" ,perl-guard)
       ("perl-json" ,perl-json)
       ("perl-json-xs" ,perl-json-xs)
       ("perl-net-ssleay" ,perl-net-ssleay)
       ("perl-task-weaken" ,perl-task-weaken)))
    (home-page "http://search.cpan.org/dist/AnyEvent")
    (synopsis
     "API for I/O, timer, signal, child process and completion events")
    (description
     "This module allows using a variety of events without forcing module
authors to pick a specific event loop, and without noticeable overhead.
Currently supported event loops are EV, Event, Glib/Gtk2, Tk, Qt,
@code{Event::Lib}, Irssi, @code{IO::Async} and POE (and thus also WxWidgets
and Prima).  It also comes with a very fast Pure Perl event loop that does
not rely on XS.")
    (license perl-license)))

(define-public perl-ev
  (package
    (name "perl-ev")
    (version "4.22")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://cpan/authors/id/M/ML/MLEHMANN/EV-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "14d9115q8f2ca2q3vbcalm55zqsbx8xjq5aj098laj9f9rrzirra"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  ;; Drop bundled libev.
                  (delete-file-recursively "libev")
                  #t))))
    (build-system perl-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'unpack-libev
           ;; This package requires the libev *sources* in order
           ;; to build. Unpack system libev here...
           (lambda* (#:key inputs #:allow-other-keys)
             (mkdir "./libev")
             (zero? (system* "tar" "-xf" (assoc-ref inputs "libev-source")
                             "-C" "./libev" "--strip-components=1")))))))
    (native-inputs
     `(("libev-source" ,(package-source libev))
       ("perl-canary-stability" ,perl-canary-stability)))
    (propagated-inputs
     `(("perl-common-sense" ,perl-common-sense)))
    (home-page "http://search.cpan.org/dist/EV")
    (synopsis "Perl interface to libev")
    (description
     "This module provides an interface to @code{libev}, a high performance
full-featured event loop.  It can be used through the @code{AnyEvent} module
and still be faster than other event loops currently supported in Perl.")
    (license perl-license)))