;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; 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 ocr)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages image))

(define-public ocrad
  (package
    (name "ocrad")
    (version "0.27")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/ocrad/ocrad-"
                                 version ".tar.lz"))
             (sha256
              (base32
               "0divffvcaim89g4pvqs8kslbcxi475bcl3b4ynphf284k9zfdgx9"))))
    (build-system gnu-build-system)
    (native-inputs `(("lzip" ,lzip)))
    (home-page "https://www.gnu.org/software/ocrad/")
    (synopsis "Optical character recognition based on feature extraction")
    (description
     "GNU Ocrad is an optical character recognition program based on a
feature extraction method.  It can read images in PBM, PGM or PPM formats and
it produces text in 8-bit or UTF-8 formats.")
    (license license:gpl3+)))

(define-public tesseract-ocr
  (package
    (name "tesseract-ocr")
    (version "3.04.01")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "https://github.com/tesseract-ocr/tesseract/archive/"
             version ".tar.gz"))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "0snwd8as5i8vx7zkimpd2yg898jl96zf90r65a9w615f2hdkxxjp"))))
    (build-system gnu-build-system)
    (inputs
     `(("leptonica" ,leptonica)))
    (arguments
     '(#:configure-flags
       (let ((leptonica (assoc-ref %build-inputs "leptonica")))
         (list (string-append "LIBLEPT_HEADERSDIR=" leptonica "/include")))))
    (home-page "https://github.com/tesseract-ocr")
    (synopsis "Optical character recognition engine")
    (description
     "Tesseract is an optical character recognition (OCR) engine with very
high accuracy.  It supports many languages, output text formatting, hOCR
positional information and page layout analysis.  Several image formats are
supported through the Leptonica library.  It can also detect whether text is
monospaced or proportional.")
    (license license:asl2.0)))
l libc distros.</a><span class='msg-avail'>...<span class='msg-tooltip'>* m4/guix.m4 (GUIX_SYSTEM_TYPE): Add linux-musl* case. This prevents
the macro from mis-parsing the host OS, which causes breakage when
building from source.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Antero Mejr</td></tr>
<tr><td><span title='2022-01-14 11:41:15 +0200'>2022-01-14</span></td><td><a href='/guix/commit/m4/guix.m4?id=03b45230d409c5f09e6ad18f23f313a13dbddb7d'>gnu: bootstrap: Add support for riscv64-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>On 7d93b21ab1c132990054372a9677c1639d54e631
    gnu: glibc-for-bootstrap: Update patch.

Run
    ./pre-inst-env guix build --target=riscv64-linux-gnu bootstrap-tarballs

Producing
    /gnu/store/4hdzva9i0wyyfbgj1lmqc1wkk644pv07-bootstrap-tarballs-0

With guix hash -rx
    1nj0fdgj08bbmfny01mp2blv7c3p2iciqh31zmf04ap5s7ygsqlp

* gnu/packages/bootstrap.scm (%bootstrap-executables): Add entries for
riscv64-linux.
(%bootstrap-guile-hash, %bootstrap-coreutils&amp;co, %bootstrap-binutils,
%bootstrap-glibc, %bootstrap-gcc): Add entry for riscv64-linux.
(raw-build-guile3): New procedure.
(make-raw-bag): Use raw-build-guile3 for riscv64-linux.
* guix/packages.scm (%supported-systems): Add riscv64-linux.
(%cuirass-supported-systems): Remove riscv64-linux.
* guix/utils.scm (target-64bit?): Add riscv64-linux.
* m4/guix.m4: Add riscv64-linux as a supported system.
* doc/guix.texi (GNU Distribution): Add riscv64-linux.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-12-14 18:33:49 +0200'>2021-12-14</span></td><td><a href='/guix/commit/m4/guix.m4?id=08d15a24c90e597f1656c3c0c3dbccf2022517de'>build: Adjust 'courage level' of different systems.</a><span class='msg-avail'>...<span class='msg-tooltip'>* m4/guix.m4 (GUIX_ASSERT_SUPPORTED_SYSTEM): Add i586-gnu. Move
powerpc-linux to unsupported but not needing courage. Add mips64el-linux
to unsupported.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-05-23 22:23:18 +0300'>2021-05-23</span></td><td><a href='/guix/commit/m4/guix.m4?id=cbdb7d4fea928febc105985c03b8fb5d6eda3d27'>gnu: bootstrap: Add support for powerpc-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>On 923bb70a1bff657125c3008f119a477e5cb57c2b
   gnu:glibc-for-bootstrap: Fix patch.

Run
    ./pre-inst-env guix build --target=powerpc-linux-gnu bootstrap-tarballs

Producing

    /gnu/store/dyj1wvayyp1ihaknkxniz1xamcf4yrhl-bootstrap-tarballs-0

With guix hash -rx /gnu/store/dyj1wvayyp1ihaknkxniz1xamcf4yrhl-bootstrap-tarballs-0

    02xx2ydj28pwv3vflqffinpq1icj09gzi9icm8j4bwc4lca9irxn

* gnu/packages/bootstrap.scm (%bootstrap-executables): Add entries for
powerpc-linux.
(%bootstrap-guile-hash, %bootstrap-coreutils&amp;co, %bootstrap-binutils,
%bootstrap-glibc, %bootstrap-gcc): Add entry for powerpc-linux.
* gnu/packages.scm (%supported-systems): Add powerpc-linux.
(%hydra-supported-systems): Remove powerpc-linux.
* m4/guix.m4: Add powerpc-linux as a supported system.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-03-23 23:19:57 -0700'>2021-03-23</span></td><td><a href='/guix/commit/m4/guix.m4?id=a16eb6c5f97f136b678540ba61f12b2c08e43e13'>Add powerpc64le-linux as a supported Guix architecture.</a><span class='msg-avail'>...<span class='msg-tooltip'>This makes powerpc64le-linux a supported architecture for Guix, but not for
Guix System.

* Makefile.am (SUPPORTED_SYSTEMS): Add an entry for powerpc64le-linux.
* etc/guix-install.sh (chk_sys_arch): Same.
* guix/packages.scm (%supported-systems): Same.
* m4/guix.m4 (GUIX_ASSERT_SUPPORTED_SYSTEM): Same.
* tests/guix-build.sh (all_systems): Same.
</span></span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2021-03-17 12:03:23 +0100'>2021-03-17</span></td><td><a href='/guix/commit/m4/guix.m4?id=62a091368df3bab499142d06f5114a73915c71f2'>maint: Check whether Guile-zlib is recent enough.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to a04aef2430645357d7796969d4b6453478ff8a3f.

* m4/guix.m4 (GUIX_CHECK_GUILE_ZLIB): New macro.
* configure.ac: Use it when checking for Guile-zlib.
</span></span></td><td>Ludovic Courtès</td></tr>