#!/bin/sh
#
# Copyright (c) 2019 David Demelier <markand@malikania.fr>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

: ${CC:=gcc}
: ${CFLAGS:=-O2}

source ./bzip2.info

set -ex

rm -rf $PKGNAME-$PKGVERSION
tar xvaf $PKGNAME-$PKGVERSION.tar.gz
pushd $PKGNAME-$PKGVERSION

if [ "$(uname -m)" = "x86_64" ]; then
	CFLAGS="-fPIC $CFLAGS"
fi

sed -i -e 's/$(PREFIX)/$(DESTDIR)$(PREFIX)/g' Makefile
patch -p1 < ../CVE-2016-3189.patch
make CC="$CC" CFLAGS="$CFLAGS" -f Makefile-libbz2_so all
make install DESTDIR=$DESTDIR PREFIX=/usr
install -D libbz2.so.$PKGVERSION $DESTDIR/usr/lib/libbz2.so.$PKGVERSION
ln -s libbz2.so.$PKGVERSION $DESTDIR/usr/lib/libbz2.so
ln -s libbz2.so.$PKGVERSION $DESTDIR/usr/lib/libbz2.so.${PKGVERSION%%.*}
rm -f $DESTDIR/usr/lib/libbz2.a

popd
rm -rf $PKGNAME-$PKGVERSION