wget http://www.gnuwakes.org/depot/1.0/main/sources/zlib-1.2.8.tar.xz

tar -xf zlib-1.2.8.tar.xz

SOURCES_DIR=$PWD/zlib-1.2.8
INSTALL_DIR=$PWD/zlib-1.2.8-install
BUILD_DIR=$PWD/zlib-1.2.8-build

mkdir $INSTALL_DIR $BUILD_DIR
cd $BUILD_DIR

rsync -a $SOURCES_DIR/ .
./configure --prefix=/usr && \
  make && make check && make DESTDIR=$INSTALL_DIR install
mkdir $INSTALL_DIR/lib
mv $INSTALL_DIR/usr/lib/libz.so.* $INSTALL_DIR/lib
ln -sfv ../../lib/$(readlink $INSTALL_DIR/usr/lib/libz.so) \
  $INSTALL_DIR/usr/lib/libz.so