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tesseract: add a wrapper to setup languages

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Tesseract is now decoupled from the tessdata language corpus.

This avoids recompilation when building Tesseract with a custom set
of languages.

Update k2pdfopt to use the new wrapper interface.
This commit is contained in:
Erik Arvstedt
2018-12-19 18:08:16 +01:00
parent 45d2a2dd91
commit aaaed13077
6 changed files with 145 additions and 96 deletions
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pkgs/applications/misc/k2pdfopt/default.nix
+15 -13
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@@ -75,19 +75,21 @@ stdenv.mkDerivation rec {
cp ${src}/leptonica_mod/* src/
'';
});
tesseract_modded = tesseract.overrideAttrs (attrs: {
prePatch = ''
cp ${src}/tesseract_mod/{ambigs.cpp,ccutil.h,ccutil.cpp} ccutil/
cp ${src}/tesseract_mod/dawg.cpp api/
cp ${src}/tesseract_mod/{imagedata.cpp,tessdatamanager.cpp} ccstruct/
cp ${src}/tesseract_mod/openclwrapper.h opencl/
cp ${src}/tesseract_mod/{tessedit.cpp,thresholder.cpp} ccmain/
cp ${src}/tesseract_mod/tess_lang_mod_edge.h cube/
cp ${src}/tesseract_mod/tesscapi.cpp api/
cp ${src}/include_mod/{tesseract.h,leptonica.h} api/
'';
patches = [ ./tesseract.patch ];
});
tesseract_modded = tesseract.override {
tesseractBase = tesseract.tesseractBase.overrideAttrs (_: {
prePatch = ''
cp ${src}/tesseract_mod/{ambigs.cpp,ccutil.h,ccutil.cpp} ccutil/
cp ${src}/tesseract_mod/dawg.cpp api/
cp ${src}/tesseract_mod/{imagedata.cpp,tessdatamanager.cpp} ccstruct/
cp ${src}/tesseract_mod/openclwrapper.h opencl/
cp ${src}/tesseract_mod/{tessedit.cpp,thresholder.cpp} ccmain/
cp ${src}/tesseract_mod/tess_lang_mod_edge.h cube/
cp ${src}/tesseract_mod/tesscapi.cpp api/
cp ${src}/include_mod/{tesseract.h,leptonica.h} api/
'';
patches = [ ./tesseract.patch ];
});
};
in
[ zlib libpng ] ++
optional enableGSL gsl ++