;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Greg Hogan <code@greghogan.com>
;;;
;;; 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 liburing)
  #:use-module (gnu packages)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix git-download)
  #:use-module (guix build-system gnu))

(define-public liburing
  (package
    (name "liburing")
    (version "0.7")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://git.kernel.dk/liburing")
                    (commit (string-append "liburing-" version))))
              (file-name (git-file-name name version))
              (sha256
               (base32
                "15z44l7y4c6s6dlf7v8lq4znlsjbja2r4ifbni0l8cdcnq0w3zh3"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f
       #:phases
       (modify-phases %standard-phases
         (replace 'configure
           ;; configure fails if it is followed by SHELL, CONFIG_SHELL,
           ;; --enable-fast-install, and --build
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               (setenv "SHELL" (which "sh"))
               (setenv "CONFIG_SHELL" (which "sh"))
               (invoke "./configure" (string-append "--prefix=" out))))))))
    (home-page "https://github.com/axboe/liburing")
    (synopsis "Simplified interface for io_uring")
    (description "This is the io_uring library, liburing. liburing provides
helpers to setup and teardown io_uring instances, and also a simplified
interface for applications that don't need (or want) to deal with the full
kernel side implementation.")
    (license expat)))