#!/bin/sh

# Copyright 2008, 2009, 2010  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


VERSION=${VERSION:-$(echo lsof_*.tar.bz2 | rev | cut -f 3- -d . | cut -f 1 -d _ | rev)}
BUILD=${BUILD:-1}
TIRPCURL=http://nfsv4.bullopensource.org/tarballs/tirpc/libtirpc-0.1.8-1.tar.bz2
# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-lsof

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf lsof_$VERSION
tar xjvf $CWD/lsof_$VERSION.tar.bz2 || exit 1
cd lsof_$VERSION || exit 1
tar xvf lsof_${VERSION}_src.tar || exit 1
cd lsof_${VERSION}_src || exit 1

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

echo n | ./Configure linux
###############################
# Determine glibc version
glibcversion=$(readlink /lib/ld-linux.so*|sed 's/ld-\(.*\)\.so/\1/')
if [ "$(echo -e "$glibcversion\n2.15"|sort -V|head -n1)" = "2.15" ]; then
wget $TIRPCURL
tar -xf libtirpc-*.tar.bz2
rm libtirpc-*.tar.bz2
mkdir tirpc
tirpcdir=$PWD/tirpc
cd libtirpc-*
./configure --prefix=/usr && make && make install DESTDIR=$tirpcdir
rm -rf libtirpc-*
sed -i "
s:^CFGF=.*:\0 -I$tirpcdir/usr/include/tirpc -DHASNOTRPC -DHASNORPC_H:;
s:^CFGL=.*:\0 -L$tirpcdir/usr/lib -ltirpc --static:;
" Makefile
else
sed -i 's/^CFGL=.*/\0 --static/' Makefile
fi
make all
###############################
strip lsof
mkdir -p $PKG/usr/bin
cat lsof > $PKG/usr/bin/lsof
# No, NOT suid.
chmod 755 $PKG/usr/bin/lsof
mkdir -p $PKG/usr/man/man8
cat lsof.8 | gzip -9c > $PKG/usr/man/man8/lsof.8.gz
mkdir -p $PKG/usr/doc/lsof-$VERSION
cp -a 00* $PKG/usr/doc/lsof-$VERSION
chmod 644 $PKG/usr/doc/lsof-$VERSION/*
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -l y -c n $TMP/lsof-$VERSION-$ARCH-$BUILD.txz