#!/bin/bash

# In this configuration, the following dependent libraries are compiled:
#
# * zlib
# * c-ares
# * expat
# * sqlite3
# * openSSL
# * libssh2

#IMPORTANT: Require install gcc-multilib g++-multilib libc6-dev-i386

#COMPILER AND PATH
PREFIX=/opt/aria2-i386/build_libs
C_COMPILER="gcc"
CXX_COMPILER="g++"

#CHECK TOOL FOR DOWNLOAD
 aria2c --help > /dev/null
 if [ "$?" -eq 0 ] ; then
   DOWNLOADER="aria2c --check-certificate=false"
 else
   DOWNLOADER="wget -c"
 fi

## DEPENDENCES ##
ZLIB=http://sourceforge.net/projects/libpng/files/zlib/1.2.11/zlib-1.2.11.tar.gz
OPENSSL=http://www.openssl.org/source/openssl-1.0.2t.tar.gz
EXPAT=https://github.com/libexpat/libexpat/releases/download/R_2_2_6/expat-2.2.6.tar.bz2
SQLITE3=https://sqlite.org/2019/sqlite-autoconf-3300000.tar.gz
C_ARES=http://c-ares.haxx.se/download/c-ares-1.15.0.tar.gz
SSH2=https://www.libssh2.org/download/libssh2-1.7.0.tar.gz

## CONFIG ##
BUILD_DIRECTORY=/tmp/

## BUILD ##
cd $BUILD_DIRECTORY
export CFLAGS="-m32"
export CXXFLAGS="-m32"
export LDFLAGS="-m32"
#
 # zlib build
  $DOWNLOADER $ZLIB
  tar zxvf zlib-1.2.11.tar.gz
  cd zlib-1.2.11/
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./configure --prefix=$PREFIX --static
  make
  make install
#
 # expat build
  cd ..
  $DOWNLOADER $EXPAT
  tar jxvf expat-2.2.6.tar.bz2
  cd expat-2.2.6/
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./configure --prefix=$PREFIX --enable-static --enable-shared
  make
  make install
#
 # c-ares build
  cd ..
  $DOWNLOADER $C_ARES
  tar zxvf c-ares-1.15.0.tar.gz
  cd c-ares-1.15.0/
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./configure --prefix=$PREFIX --enable-static --disable-shared
  make
  make install
#
 # Openssl build
  cd ..
  $DOWNLOADER $OPENSSL
  tar zxvf openssl-1.0.2t.tar.gz
  cd openssl-1.0.2t/
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./Configure --prefix=$PREFIX linux-elf shared
  make
  make install
#
 # sqlite3
  cd ..
  $DOWNLOADER $SQLITE3
  tar zxvf sqlite-autoconf-33000000.tar.gz
  cd sqlite-autoconf-33000000/
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./configure --prefix=$PREFIX --enable-static --enable-shared
  make
  make install
#
 # libssh2
  cd ..
  $DOWNLOADER $SSH2
  tar zxvf libssh2-1.7.0.tar.gz
  cd libssh2-1.7.0/
  rm -rf $PREFIX/lib/pkgconfig/libssh2.pc
  CFLAGS="-m32" CXXFLAGS="-m32" LDFLAGS="-m32" PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig/ LD_LIBRARY_PATH=$PREFIX/lib/ CC="$C_COMPILER -m32" CXX="$CXX_COMPILER -m32" ./configure --without-libgcrypt --with-openssl --without-wincng --prefix=$PREFIX --enable-static --disable-shared
  make
  make install
#
 #cleaning
  cd ..
  rm -rf c-ares*
  rm -rf sqlite-autoconf*
  rm -rf zlib-*
  rm -rf expat-*
  rm -rf openssl-*
  rm -rf libssh2-*
#
 echo "finished!"