#!/bin/sh
# First argument of this script is the package name

# Reading system configuration informations, functions and package versions.
source ../sysinfos
source ../functions
source ../packages-list

ZLIB_VERSION=$(get_pkg_ver ${1})

# Zlib is known to build its shared library incorrectly if CFLAGS is
# specified in the environment. We need to add the -fPIC directive to CFLAGS
# for the duration of the below configure command, then remove it afterwards. 
export CFLAGS="${CFLAGS} -fPIC"

# Applying patches (if any)
apply_patches ${1} &&

cd ${LFS_TMP}/${1} &&
./configure \
    --prefix=/usr \
    --shared \
    --libdir=/lib &&
make -j ${MAKEJOBS} &&

# Installing the shared library
make install &&

# The previous command installed a .so file in /lib. We will remove
# it and relink it into /usr/lib:
rm -v /lib/libz.so &&
ln -sfv ../../lib/libz.so.${ZLIB_VERSION} /usr/lib/libz.so &&

# Now also build the non-shared (static) library: 
make clean &&
./configure \
    --prefix=/usr &&
make -j ${MAKEJOBS} &&
make install &&

# Fix the permissions on the static library: 
chmod 644 /usr/lib/libz.a

# Return last error
exit $?