termux-packages/packages/tesseract/build.sh
Fredrik Fornwall 6c29aaa1c7 Transition from gnustl to libc++
This will make things as std::to_string() and other C++ features
work with a modern and supported C++ library.

We package up libc++_shared.so and bump the revision of every C++
using package to make it rebuild against it.

Users who have built C++ using libraries or programs will probably
need to rebuild them if they are linked against Termux-supplied
libraries, as user code was previously linked against gnustl while
the system libraries are now using libc++, and it's not a good idea
to mix C++ standard libraries in a program.
2017-07-14 00:23:37 +02:00

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TERMUX_PKG_HOMEPAGE=https://github.com/tesseract-ocr/tesseract
TERMUX_PKG_DESCRIPTION="Tesseract is probably the most accurate open source OCR engine available"
TERMUX_PKG_VERSION=3.05.01
TERMUX_PKG_REVISION=1
TERMUX_PKG_DEPENDS="libtool, libuuid, leptonica"
TERMUX_PKG_SRCURL=https://github.com/tesseract-ocr/tesseract/archive/${TERMUX_PKG_VERSION}.tar.gz
TERMUX_PKG_SHA256=05898f93c5d057fada49b9a116fc86ad9310ff1726a0f499c3e5211b3af47ec1
TERMUX_PKG_FOLDERNAME=tesseract-${TERMUX_PKG_VERSION}
termux_step_pre_configure() {
# http://blog.matt-swain.com/post/26419042500/installing-tesseract-ocr-on-mac-os-x-lion
export LIBLEPT_HEADERSDIR=${TERMUX_PREFIX}/include/leptonica
perl -p -i -e 's|ADD_RT], true|ADD_RT], false|g' configure.ac
./autogen.sh
}
termux_step_post_make_install() {
# download english trained data
cd "${TERMUX_PREFIX}/share/tessdata"
rm -f eng.*
for f in cube.{bigrams,fold,lm,nn,params,size,word-freq} tesseract_cube.nn traineddata; do
f=eng.$f
# From the tessdata README: "These language data files only work with
# Tesseract 4. They are based on the sources in tesseract-ocr/langdata on GitHub.
# Get language data files for Tesseract 3.04 or 3.05 from the 3.04 tree."
termux_download \
https://raw.githubusercontent.com/tesseract-ocr/tessdata/3.04.00/$f \
$f
done
}