nixpkgs/pkgs/applications/graphics/tesseract/tesseract4.nix
2024-02-11 03:19:15 +01:00

54 lines
1.6 KiB
Nix

{ lib, stdenv, fetchFromGitHub, autoreconfHook, autoconf-archive, pkg-config
, leptonica, libpng, libtiff, icu, pango, opencl-headers, fetchpatch }:
stdenv.mkDerivation rec {
pname = "tesseract";
version = "4.1.3";
src = fetchFromGitHub {
owner = "tesseract-ocr";
repo = "tesseract";
rev = version;
hash = "sha256-sV3w53ky13ESc0dGPutMGQ4TcmOeWJkvUwBPIyzSTc8=";
};
# leptonica 1.83 made internal structures private. using internal headers isn't
# great, but tesseract4's days are numbered anyway
postPatch = ''
sed -i '/allheaders.h/a#include "pix_internal.h"' src/textord/devanagari_processing.cpp
# gcc-13 compat fix, simulate this upstream patch:
# https://github.com/tesseract-ocr/tesseract/commit/17e795aaae7d40dbcb7d3365835c2f55ecc6355d.patch
# https://github.com/tesseract-ocr/tesseract/commit/c0db7b7e930322826e09981360e39fdbd16cc9b0.patch
sed -i src/ccutil/helpers.h -e '1i #include <climits>'
sed -i src/ccutil/helpers.h -e '1i #include <cstdint>'
sed -i src/dict/matchdefs.h -e '1i #include <cstdint>'
'';
enableParallelBuilding = true;
nativeBuildInputs = [
pkg-config
autoreconfHook
autoconf-archive
];
buildInputs = [
leptonica
libpng
libtiff
icu
pango
opencl-headers
];
meta = {
description = "OCR engine";
homepage = "https://github.com/tesseract-ocr/tesseract";
license = lib.licenses.asl20;
maintainers = with lib.maintainers; [ viric erikarvstedt ];
platforms = with lib.platforms; linux ++ darwin;
mainProgram = "tesseract";
};
}