#!/bin/bash
# script for download and build libraries.


# depends on: dev-lang/nasm

# compile settings
NCPU=`nproc`

# root directory
WORKDIR=`pwd`

# subdirectories
SOURCE='source'
BUILDS='build'
LIBOUT='lib'
HEADER='include'

# Remote git repository with sources code
JPEG_REPOSITORY='https://github.com/libjpeg-turbo/libjpeg-turbo.git'
TIFF_REPOSITORY='https://github.com/vadz/libtiff.git'

# IN: Jpeg folder with source code
JPEG_FOLDER=libjpeg-turbo

# IN: Tiff folder with source code
TIFF_FOLDER=libtiff


# Configuration for compilation JPEG library
# JPEG_CONFIGURE="./configure --with-12bit  --enable-static --enable-shared"
JPEG_OPTS="-DWITH_12BIT=ON"
JPEG_OPTS="${JPEG_OPTS} -DENABLE_STATIC=ON -DENABLE_SHARED=ON"

# Configuration for compilation TIFF library
# TIFF_CONFIGURE="./configure --disable-jbig --disable-old-jpeg --disable-lzma --disable-zlib --enable-jpeg12 --enable-shared --enable-static --with-jpeg12-lib=$WORKDIR$JPEG_FOLDER/.libs/libjpeg.la --with-jpeg12-include-dir=$WORKDIR$JPEG_FOLDER"
TIFF_OPTS="-Djbig=OFF -Dold-jpeg=OFF -Dlzma=OFF -Dzlib=OFF -Djpeg12=ON"
TIFF_OPTS="${TIFF_OPTS} -DJPEG12_INCLUDE_DIR=${WORKDIR}/${SOURCE}/${JPEG_FOLDER}"
TIFF_OPTS="${TIFF_OPTS} -DJPEG12_LIBRARY=${WORKDIR}/${BUILDS}/jpeg/libjpeg.so"

# CLONE SOURCES

mkdir -p ${WORKDIR}/${SOURCE}
cd ${WORKDIR}/${SOURCE}

if [ ! -d ${JPEG_FOLDER} ]
then
    git clone ${JPEG_REPOSITORY}
fi

if [ ! -d ${TIFF_FOLDER} ]
then
    git clone ${TIFF_REPOSITORY}
fi


# UPDATE SOURCES

cd ${WORKDIR}/${SOURCE}/${JPEG_FOLDER}
git pull
git checkout main

cd ${WORKDIR}/${SOURCE}/${TIFF_FOLDER}
git pull
git checkout master


# BUILD SOURCES

mkdir -p ${WORKDIR}/${BUILDS}/jpeg
cd ${WORKDIR}/${BUILDS}/jpeg
cmake -G"Unix Makefiles" ${JPEG_OPTS} ${WORKDIR}/${SOURCE}/${JPEG_FOLDER}
make -j${NCPU}

mkdir -p ${WORKDIR}/${BUILDS}/tiff
cd ${WORKDIR}/${BUILDS}/tiff
cmake -G"Unix Makefiles" ${TIFF_OPTS} ${WORKDIR}/${SOURCE}/${TIFF_FOLDER}

## WAR missing quotes in libtiff/tif_config.h
## -- #define LIBJPEG_12_PATH /mnt/work/rozsnyo.com/camera/tiff-jpeg/source/libjpeg-turbo/jpeglib.h
## ++ #define LIBJPEG_12_PATH "/mnt/work/rozsnyo.com/camera/tiff-jpeg/source/libjpeg-turbo/jpeglib.h"
sed -i -r 's/(LIBJPEG_12_PATH) (.*)/\1 "\2"/' libtiff/tif_config.h

make -j${NCPU}

## WAR failed build? rerun and its ok?
make


# EXPORT OUTPUTS
mkdir -p ${WORKDIR}/${LIBOUT}

cd ${WORKDIR}/${BUILDS}/jpeg
cp -r ./libjpeg.so* ${WORKDIR}/${LIBOUT}

cd ${WORKDIR}/${BUILDS}/tiff/libtiff
cp -r ./libtiff.so* ${WORKDIR}/${LIBOUT}


mkdir -p ${WORKDIR}/${HEADER}

cd ${WORKDIR}/${SOURCE}/${JPEG_FOLDER}
cp jpeglib.h jmorecfg.h ${WORKDIR}/${HEADER}

cd ${WORKDIR}/${SOURCE}/${TIFF_FOLDER}/libtiff
cp tiff.h ${WORKDIR}/${HEADER}
cd ${WORKDIR}/${BUILDS}/tiff/libtiff
cp tiffconf.h ${WORKDIR}/${HEADER}