646b892680
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67 lines
1.6 KiB
Nix
67 lines
1.6 KiB
Nix
{
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lib,
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stdenv,
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fetchFromGitHub,
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autoreconfHook,
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autoconf-archive,
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pkg-config,
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leptonica,
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libpng,
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libtiff,
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icu,
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pango,
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opencl-headers,
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}:
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stdenv.mkDerivation rec {
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pname = "tesseract";
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version = "4.1.3";
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src = fetchFromGitHub {
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owner = "tesseract-ocr";
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repo = "tesseract";
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rev = version;
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hash = "sha256-sV3w53ky13ESc0dGPutMGQ4TcmOeWJkvUwBPIyzSTc8=";
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};
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# leptonica 1.83 made internal structures private. using internal headers isn't
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# great, but tesseract4's days are numbered anyway
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postPatch = ''
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sed -i '/allheaders.h/a#include "pix_internal.h"' src/textord/devanagari_processing.cpp
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# gcc-13 compat fix, simulate this upstream patch:
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# https://github.com/tesseract-ocr/tesseract/commit/17e795aaae7d40dbcb7d3365835c2f55ecc6355d.patch
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# https://github.com/tesseract-ocr/tesseract/commit/c0db7b7e930322826e09981360e39fdbd16cc9b0.patch
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sed -i src/ccutil/helpers.h -e '1i #include <climits>'
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sed -i src/ccutil/helpers.h -e '1i #include <cstdint>'
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sed -i src/dict/matchdefs.h -e '1i #include <cstdint>'
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'';
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enableParallelBuilding = true;
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nativeBuildInputs = [
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pkg-config
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autoreconfHook
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autoconf-archive
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];
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buildInputs = [
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leptonica
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libpng
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libtiff
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icu
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pango
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opencl-headers
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];
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meta = {
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description = "OCR engine";
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homepage = "https://github.com/tesseract-ocr/tesseract";
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license = lib.licenses.asl20;
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maintainers = with lib.maintainers; [ erikarvstedt ];
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platforms = with lib.platforms; linux ++ darwin;
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mainProgram = "tesseract";
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};
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}
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