;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Amin Bandali <bandali@gnu.org>
;;; Copyright © 2020 Brett Gilio <brettg@gnu.org>
;;;
;;; 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 lean)
  #:use-module (gnu packages multiprecision)
  #:use-module (guix build-system cmake)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gui</td></tr></table>
<table class='tabs'><tr><td>
<a class='active' href='/hydrilla-fixes-bundle/about/'>about</a><a href='/hydrilla-fixes-bundle/'>summary</a><a href='/hydrilla-fixes-bundle/refs/'>refs</a><a href='/hydrilla-fixes-bundle/log/'>log</a><a href='/hydrilla-fixes-bundle/tree/'>tree</a><a href='/hydrilla-fixes-bundle/commit/'>commit</a><a href='/hydrilla-fixes-bundle/diff/'>diff</a></td><td class='form'><form class='right' method='get' action='/hydrilla-fixes-bundle/log/'>
<select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='content'><div id='summary'>further investigation.
       #:tests? ,(let ((arch (or (%current-target-system)
                              (%current-system))))
                   (not (or (string-prefix? "i686" arch)
                            (string-prefix? "armhf" arch))))
       #:phases
       (modify-phases %standard-phases
         (add-after 'patch-source-shebangs 'patch-tests-shebangs
           (lambda _
             (let ((sh (which "sh"))
                   (bash (which "bash")))
               (substitute* (find-files "tests/lean" "\\.sh$")
                 (("#![[:blank:]]?/bin/sh")
                  (string-append "#!" sh))
                 (("#![[:blank:]]?/bin/bash")
                  (string-append "#!" bash))
                 (("#![[:blank:]]?usr/bin/env bash")
                  (string-append "#!" bash)))
               #t)))
         (add-before 'configure 'chdir-to-src
           (lambda _ (chdir "src") #t)))))
    (synopsis "The Lean theorem prover and programming language")
    (description
     "Lean is a theorem prover and programming language with a small trusted
core based on dependent typed theory, aiming to bridge the gap between
interactive and automated theorem proving.")
    (license license:asl2.0)))