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TERMUX_PKG_HOMEPAGE=https://github.com/tesseract-ocr/tesseract
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TERMUX_PKG_DESCRIPTION="Tesseract is probably the most accurate open source OCR engine available"
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TERMUX_PKG_LICENSE="Apache-2.0"
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TERMUX_PKG_VERSION=4.0.0
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TERMUX_PKG_REVISION=2
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TERMUX_PKG_SRCURL=https://github.com/tesseract-ocr/tesseract/archive/${TERMUX_PKG_VERSION}.tar.gz
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TERMUX_PKG_SHA256=a1f5422ca49a32e5f35c54dee5112b11b99928fc9f4ee6695cdc6768d69f61dd
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TERMUX_PKG_DEPENDS="libc++, libtool, libuuid, leptonica, libandroid-glob"
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termux_step_pre_configure() {
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# http://blog.matt-swain.com/post/26419042500/installing-tesseract-ocr-on-mac-os-x-lion
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export LIBLEPT_HEADERSDIR=${TERMUX_PREFIX}/include/leptonica
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perl -p -i -e 's|ADD_RT], true|ADD_RT], false|g' configure.ac
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./autogen.sh
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}
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termux_step_post_make_install() {
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# download english trained data
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cd "${TERMUX_PREFIX}/share/tessdata"
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rm -f eng.*
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local checksums
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declare -A checksums
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checksums[cube.bigrams]=64adf2cc0b2a6705368aa357224d1a6739035d5fe892cd0cc457016df5b4280f
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checksums[cube.fold]=2b229895623934b493fe69c51fcc387295d91af8b4e43cc51748b3d269a95eed
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checksums[cube.lm]=a6f769245b0a55f42a3ce157cd19d96828483c3384c6483433ed83579ea16e36
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checksums[cube.nn]=8f345f1c19772dd71a5214bc94175ccf647c003ab77e4143fde48f11bf3cb0ef
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checksums[cube.params]=c2aa2854951bd823d89cc86d53a6d9712a6a885de6fbaf650ff3df48bfed85d7
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checksums[cube.size]=e5f95de7e2754eb2df03451885277ca4573b3770816043ae2e2f09d1f7232604
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checksums[cube.word-freq]=8d612bef20ae3052fce0b8650575a80d87c94d772ec6d1f0c6a1ad591586ea44
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checksums[tesseract_cube.nn]=196bedc8a5bc8c30361c2c9518f648b45b498759cb6041827ff6fbfb8da2a8d1
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checksums[traineddata]=c0515c9f1e0c79e1069fcc05c2b2f6a6841fb5e1082d695db160333c1154f06d
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mkdir -p $TERMUX_PKG_CACHEDIR/tessdata
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termux_download \
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https://raw.githubusercontent.com/tesseract-ocr/tessdata/$TERMUX_PKG_VERSION/eng.traineddata \
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$TERMUX_PKG_CACHEDIR/tessdata/eng.traineddata \
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daa0c97d651c19fba3b25e81317cd697e9908c8208090c94c3905381c23fc047
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cp $TERMUX_PKG_CACHEDIR/tessdata/eng.traineddata .
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}
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