nixpkgs/pkgs/applications/graphics/tesseract/tesseract3.nix
2024-02-11 03:19:15 +01:00

50 lines
1.2 KiB
Nix

{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
, leptonica, libpng, libtiff, icu, pango, opencl-headers }:
stdenv.mkDerivation rec {
pname = "tesseract";
version = "3.05.02";
src = fetchFromGitHub {
owner = "tesseract-ocr";
repo = "tesseract";
rev = version;
hash = "sha256-28osuZnVwkJpNTYkU+5D5PI8xtViFzGCMScHzkS2H20=";
};
# leptonica 1.83 made internal structures private. using internal headers isn't
# great, but tesseract3's days are numbered anyway
postPatch = ''
for f in textord/devanagari_processing.cpp cube/cube_line_object.h cube/cube_line_segmenter.h cube/cube_utils.h ; do
sed -i '/allheaders.h/a#include "pix_internal.h"' "$f"
done
'';
enableParallelBuilding = true;
nativeBuildInputs = [
pkg-config
autoreconfHook
];
buildInputs = [
leptonica
libpng
libtiff
icu
pango
opencl-headers
];
LIBLEPT_HEADERSDIR = "${leptonica}/include";
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";
};
}