Tesseract 3.01 build script for iOS

#!/bin/sh
# build.sh

GLOBAL_OUTDIR="`pwd`/dependencies"
LOCAL_OUTDIR="./outdir"
LEPTON_LIB="`pwd`/leptonica-1.68"
TESSERACT_LIB="`pwd`/tesseract-3.01"

IOS_BASE_SDK="5.0"
IOS_DEPLOY_TGT="3.2"

setenv_all()
{
    # Add internal libs
    export CFLAGS="$CFLAGS -I$GLOBAL_OUTDIR/include -L$GLOBAL_OUTDIR/lib"

    export CXX="$DEVROOT/usr/bin/llvm-g++"
    export CC="$DEVROOT/usr/bin/llvm-gcc"

    export LD=$DEVROOT/usr/bin/ld
    export AR=$DEVROOT/usr/bin/ar
    export AS=$DEVROOT/usr/bin/as
    export NM=$DEVROOT/usr/bin/nm
    export RANLIB=$DEVROOT/usr/bin/ranlib
    export LDFLAGS="-L$SDKROOT/usr/lib/"

    export CPPFLAGS=$CFLAGS
    export CXXFLAGS=$CFLAGS
}

setenv_arm6()
{
    unset DEVROOT SDKROOT CFLAGS CC LD CPP CXX AR AS NM CXXCPP RANLIB LDFLAGS CPPFLAGS CXXFLAGS

    export DEVROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer
    export SDKROOT=$DEVROOT/SDKs/iPhoneOS5.1.sdk

    export CFLAGS="-arch armv6 -pipe -no-cpp-precomp -isysroot $SDKROOT -miphoneos-version-min=$IOS_DEPLOY_TGT -I$SDKROOT/usr/include/"

    setenv_all
}

setenv_arm7()
{
    unset DEVROOT SDKROOT CFLAGS CC LD CPP CXX AR AS NM CXXCPP RANLIB LDFLAGS CPPFLAGS CXXFLAGS

    export DEVROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer
    export SDKROOT=$DEVROOT/SDKs/iPhoneOS5.1.sdk

    export CFLAGS="-arch armv7 -pipe -no-cpp-precomp -isysroot $SDKROOT -miphoneos-version-min=$IOS_DEPLOY_TGT -I$SDKROOT/usr/include/"

    setenv_all
}

setenv_i386()
{
    unset DEVROOT SDKROOT CFLAGS CC LD CPP CXX AR AS NM CXXCPP RANLIB LDFLAGS CPPFLAGS CXXFLAGS

    export DEVROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer
    export SDKROOT=$DEVROOT/SDKs/iPhoneSimulator4.3.sdk

    export CFLAGS="-arch i386 -pipe -no-cpp-precomp -isysroot $SDKROOT -miphoneos-version-min=$IOS_DEPLOY_TGT"

    setenv_all
}

create_outdir_lipo()
{
    for lib_i386 in `find $LOCAL_OUTDIR/i386 -name "lib*\.a"`; do
        lib_arm6=`echo $lib_i386 | sed "s/i386/arm6/g"`
        lib_arm7=`echo $lib_i386 | sed "s/i386/arm7/g"`
        lib=`echo $lib_i386 | sed "s/i386\///g"`
        lipo -arch armv6 $lib_arm6 -arch armv7 $lib_arm7 -arch i386 $lib_i386 -create -output $lib
    done
}

merge_libfiles()
{
    DIR=$1
    LIBNAME=$2

    cd $DIR
    for i in `find . -name "lib*.a"`; do
        $AR -x $i
    done
    $AR -r $LIBNAME *.o
    rm -rf *.o __*
    cd -
}


#######################
# LEPTONLIB
#######################
cd $LEPTON_LIB
rm -rf $LOCAL_OUTDIR
mkdir -p $LOCAL_OUTDIR/arm6 $LOCAL_OUTDIR/arm7 $LOCAL_OUTDIR/i386

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_arm6
./configure --host=arm-apple-darwin6 --enable-shared=no --disable-programs --without-zlib --without-libpng --without-jpeg --without-giflib --without-libtiff
make -j4
cp -rvf src/.libs/lib*.a $LOCAL_OUTDIR/arm6

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_arm7
./configure --host=arm-apple-darwin7 --enable-shared=no --disable-programs --without-zlib --without-libpng --without-jpeg --without-giflib --without-libtiff
make -j4
cp -rvf src/.libs/lib*.a $LOCAL_OUTDIR/arm7

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_i386
./configure --enable-shared=no --disable-programs --without-zlib --without-libpng --without-jpeg --without-giflib --without-libtiff
make -j4
cp -rvf src/.libs/lib*.a $LOCAL_OUTDIR/i386

create_outdir_lipo
mkdir -p $GLOBAL_OUTDIR/include/leptonica && cp -rvf src/*.h $GLOBAL_OUTDIR/include/leptonica
mkdir -p $GLOBAL_OUTDIR/lib && cp -rvf $LOCAL_OUTDIR/lib*.a $GLOBAL_OUTDIR/lib
cd ..


#######################
# TESSERACT-OCR (v3)
#######################
cd $TESSERACT_LIB
rm -rf $LOCAL_OUTDIR
mkdir -p $LOCAL_OUTDIR/arm6 $LOCAL_OUTDIR/arm7 $LOCAL_OUTDIR/i386

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_arm6
bash autogen.sh
./configure --host=arm-apple-darwin6 --enable-shared=no LIBLEPT_HEADERSDIR=$GLOBAL_OUTDIR/include/
make -j4
for i in `find . -name "lib*.a"`; do cp -rvf $i $LOCAL_OUTDIR/arm6; done
merge_libfiles $LOCAL_OUTDIR/arm6 libtesseract_all.a

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_arm7
bash autogen.sh
./configure --host=arm-apple-darwin7 --enable-shared=no LIBLEPT_HEADERSDIR=$GLOBAL_OUTDIR/include/
make -j4
for i in `find . -name "lib*.a" | grep -v arm`; do cp -rvf $i $LOCAL_OUTDIR/arm7; done
merge_libfiles $LOCAL_OUTDIR/arm7 libtesseract_all.a

make clean 2> /dev/null
make distclean 2> /dev/null
setenv_i386
bash autogen.sh
./configure --enable-shared=no LIBLEPT_HEADERSDIR=$GLOBAL_OUTDIR/include/
make -j4
for i in `find . -name "lib*.a" | grep -v arm`; do cp -rvf $i $LOCAL_OUTDIR/i386; done
merge_libfiles $LOCAL_OUTDIR/i386 libtesseract_all.a

create_outdir_lipo
mkdir -p $GLOBAL_OUTDIR/include/tesseract
tess_inc=( api/apitypes.h api/baseapi.h ccmain/thresholder.h ccstruct/publictypes.h ccutil/errcode.h
           ccutil/genericvector.h ccutil/helpers.h ccutil/host.h ccutil/ndminx.h ccutil/ocrclass.h
           ccutil/platform.h ccutil/tesscallback.h ccutil/unichar.h )
for i in "${tess_inc[@]}"; do
   cp -rvf $i $GLOBAL_OUTDIR/include/tesseract
done
mkdir -p $GLOBAL_OUTDIR/lib && cp -rvf $LOCAL_OUTDIR/lib*.a $GLOBAL_OUTDIR/lib
make clean 2> /dev/null
make distclean 2> /dev/null
rm -rf $LOCAL_OUTDIR
cd ..

echo "Finished!"