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ryanpeterson/tesseract_build.sh

Created May 19, 2015 14:37
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Standalone tesseract build script
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tesseract_build.sh
#!/bin/bash
#
# Build Script for making standalone version of Tesseract
# Wes Fowlks
# 10/01/2014
# Originally posted at:https://code.google.com/p/tesseract-ocr/issues/detail?id=1326
# Original pastebin source: http://pastebin.com/VnGLHfbr
# use env variables for these instead
#BUILD_ZLIB=0
#BUILD_LIBJPEG=0
#BUILD_LIBPNG=0
#BUILD_LEPTONICA=0
#BUILD_TESSERACT=1
# Get the base directory of where the script is
BASE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
BUILD_DIR=$BASE_DIR/build
ARCHIVE_DIR=$BASE_DIR/archives
SRC_DIR=$BASE_DIR/src
TESSERACT_DIR=$BASE_DIR/tesseract
#Library Versions
ZLIB_VERSION=1.2.8
LIBPNG_VERSION=1.6.13
LIBJPEG_VERSION=9a
LEPTONICA_VERSION=1.72
TESSERACT_VERSION=3.02.02
echo "Base Build Directory: " $BUILD_DIR
# Functions usefull throughtout the script
function setupDirs() {
if [ ! -d "$ARCHIVE_DIR" ]; then
mkdir $ARCHIVE_DIR
fi
if [ ! -d "$SRC_DIR" ]; then
mkdir $SRC_DIR
fi
if [ ! -d "$BUILD_DIR" ]; then
mkdir $BUILD_DIR
fi
}
# First check to see if zlib
if [ $BUILD_ZLIB = 1 ]
then
echo "Building ZLIB"
setupDirs
# Clean up old files
rm -rf $SRC_DIR/zlib* $BUILD_DIR/zlib*
if [ ! -f "$ARCHIVE_DIR/zlib-$ZLIB_VERSION.tar.gz" ]; then
#Download the file
curl -o $ARCHIVE_DIR/zlib-$ZLIB_VERSION.tar.gz http://zlib.net/zlib-$ZLIB_VERSION.tar.gz
fi
echo "Extracting archive"
tar -xzf $ARCHIVE_DIR/zlib-$ZLIB_VERSION.tar.gz -C $SRC_DIR
cd "$SRC_DIR/zlib-$ZLIB_VERSION"
echo "Configuring ZLIB for Standalone"
./configure --solo --static
echo "Building Zlib and deploying to $BUILD_DIR"
make install prefix=$BUILD_DIR
#Check if the build was successful
if [ -f "$BUILD_DIR/include/zlib.h" ]; then
echo "ZLIB Build Successful"
else
echo "ZLIB build failed. Exiting."
exit 1
fi
else
echo "Skipping ZLib"
fi
# Build Libjpeg
if [ $BUILD_LIBJPEG = 1 ]
then
echo "Building Lib Jpeg"
setupDirs
# Clean up old files
rm -rf $SRC_DIR/jpeg* $BUILD_DIR/jpeg*
if [ ! -f "$ARCHIVE_DIR/jpegsrc.v$LIBJPEG_VERSION.tar.gz" ]; then
#Download the file
curl -o $ARCHIVE_DIR/jpeg.v$LIBJPEG_VERSION.tar.gz http://www.ijg.org/files/jpegsrc.v$LIBJPEG_VERSION.tar.gz
fi
echo "Extracting archive"
tar -xzf $ARCHIVE_DIR/jpeg.v$LIBJPEG_VERSION.tar.gz -C $SRC_DIR
cd "$SRC_DIR/jpeg-$LIBJPEG_VERSION"
echo "Configuring Lib Jpeg for Standalone"
./configure --disable-shared --prefix=$BUILD_DIR
echo "Building LIBJPEG and deploying to $BUILD_DIR"
make install
#Check if the build was successful
if [ -f "$BUILD_DIR/include/jpeglib.h" ]; then
echo "LIB JPEG Build Successful"
else
echo "LIBJPEG build failed. Exiting."
exit 1
fi
else
echo "Skipping LIBJPEG"
fi
# Build Lib PNG
if [ $BUILD_LIBPNG = 1 ]
then
echo "Building Lib PNG"
setupDirs
# Clean up old files
rm -rf $SRC_DIR/libpng* $BUILD_DIR/libpng*
if [ ! -f "$ARCHIVE_DIR/libpng-$LIBPNG_VERSION.tar.gz" ]; then
#Download the file
curl -L -o $ARCHIVE_DIR/libpng-$LIBPNG_VERSION.tar.gz http://downloads.sourceforge.net/project/libpng/libpng16/1.6.13/libpng-1.6.13.tar.gz?use_mirror=tcpdiag
fi
echo "Extracting archive"
tar -xzf $ARCHIVE_DIR/libpng-$LIBPNG_VERSION.tar.gz -C $SRC_DIR
cd "$SRC_DIR/libpng-$LIBPNG_VERSION"
echo "Copying libz header files to libpng"
cp $BUILD_DIR/include/zlib.h .
cp $BUILD_DIR/include/zconf.h .
echo "Configuring Lib PNG for Standalone"
./configure --prefix=$BUILD_DIR
echo "Building LIBPNG and deploying to $BUILD_DIR"
make check
make install
#Check if the build was successful
if [ -f "$BUILD_DIR/include/libpng16/png.h" ]; then
echo "LIB PNG Build Successful"
else
echo "LIBPNG build failed. Exiting."
exit 1
fi
else
echo "Skipping LIBPNG"
fi
# Build Leptonica
if [ $BUILD_LEPTONICA = 1 ]
then
echo "Building Leptonica"
setupDirs
# Clean up old files
rm -rf $SRC_DIR/leptonica* $BUILD_DIR/leptonica*
if [ ! -f "$ARCHIVE_DIR/leptonica-$LEPTONICA_VERSION.tar.gz" ]; then
#Download the file
curl -o $ARCHIVE_DIR/leptonica-$LEPTONICA_VERSION.tar.gz http://www.leptonica.com/source/leptonica-$LEPTONICA_VERSION.tar.gz
fi
echo "Extracting archive"
tar -xzf $ARCHIVE_DIR/leptonica-$LEPTONICA_VERSION.tar.gz -C $SRC_DIR
cd "$SRC_DIR/leptonica-$LEPTONICA_VERSION"
echo "Configuring leptonica for standalone"
./make-for-local
echo "Modifying environ.h"
cat src/environ.h |sed -e 's/#define HAVE_LIBTIFF 1/#define HAVE_LIBTIFF 0/g' > src/environ.test.h
mv src/environ.test.h src/environ.h
echo "Copying dependencies to leptonica"
cp -r $BUILD_DIR/include src
cd src
echo "Building LEPTONICA and deploying to $BUILD_DIR"
make EXTRAINCLUDES="-I./include -I./include/libpng16"
#Check if the build was successful
if [ -f "$SRC_DIR/leptonica-$LEPTONICA_VERSION/lib/nodebug/liblept.a" ]; then
echo "Leptonica Build Successful"
else
echo "LEPTONICA build failed. Exiting."
exit 1
fi
echo "Copying files for Tesseract"
cp $SRC_DIR/leptonica-$LEPTONICA_VERSION/lib/nodebug/liblept.a $BUILD_DIR/lib
if [ ! -f "$BUILD_DIR/include/leptonica" ]; then
mkdir $BUILD_DIR/include/leptonica
fi
cp $SRC_DIR/leptonica-$LEPTONICA_VERSION/src/*.h $BUILD_DIR/include/leptonica
else
echo "Skipping Leptonica"
fi
# Build Tesseract
if [ $BUILD_TESSERACT = 1 ]
then
echo "Building Tesseract"
setupDirs
rm -rf $SRC_DIR/tesseract*
#Create Tesseract Build Directory
if [ ! -d "$TESSERACT_DIR" ]; then
mkdir $TESSERACT_DIR
else
rm -rf $TESSERACT_DIR/*
fi
if [ ! -f "$ARCHIVE_DIR/tesseract-ocr-$TESSERACT_VERSION.tar.gz" ]; then
#Download the file
curl -L -o $ARCHIVE_DIR/tesseract-ocr-$TESSERACT_VERSION.tar.gz https://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.02.02.tar.gz
fi
echo "Extracting archive"
tar -xzf $ARCHIVE_DIR/tesseract-ocr-$TESSERACT_VERSION.tar.gz -C $SRC_DIR
cd "$SRC_DIR/tesseract-ocr"
cp -r $BUILD_DIR/include src
cp -r $BUILD_DIR/bin src
cp -r $BUILD_DIR/lib src
mv configure configure_old
echo "Putting some magic sauce in the configure script"
echo "CXXFLAGS=\"-I$BUILD_DIR/include -I$BUILD_DIR/include/libpng16 -I$BUILD_DIR/include/leptonica -lpng -ljpeg -lz\"
LDFLAGS=\"-L$BUILD_DIR/lib\"
LIBLEPT_HEADERSDIR=\"$BUILD_DIR/include/leptonica\"" > configure
cat configure_old >> configure
rm configure_old
#change the permissions on configure to make it executable again
chmod 755 configure
echo "Configuring Tesseract"
./configure --prefix=$TESSERACT_DIR --disable-tessdata-prefix
echo "Configuration Configuration done, now Building"
make install
ls $TESSERACT_DIR/bin
if [ -x "$TESSERACT_DIR/bin/tesseract" ]; then
echo "Tesseract Build Successful"
else
echo "Tesseract build failed. Exiting."
exit 1
fi
echo "Checking the language files"
if [ ! -f "$ARCHIVE_DIR/tesseract-ocr-3.02.eng.tar.gz" ]; then
#Download the file
curl -L -o $ARCHIVE_DIR/tesseract-ocr-3.02.eng.tar.gz https://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.02.eng.tar.gz
fi
echo "Checking OSD (Optical Script Detection) models"
if [ ! -f "$ARCHIVE_DIR/tesseract-ocr-3.01.osd.tar.gz" ]; then
#Download the file
curl -L -o $ARCHIVE_DIR/tesseract-ocr-3.01.osd.tar.gz https://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.01.osd.tar.gz
fi
echo "Installing Languages and OSD"
tar -xzf $ARCHIVE_DIR/tesseract-ocr-3.02.eng.tar.gz -C $TESSERACT_DIR/bin
tar -xzf $ARCHIVE_DIR/tesseract-ocr-3.01.osd.tar.gz -C $TESSERACT_DIR/bin
cd $TESSERACT_DIR/bin
echo "Tesseract is now built and can be found at: $BUILD_DIR"
else
echo "Skipping Tesseract"
fi
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