#!/bin/bash

# Slackware build script for dhcping
# Written by Michal Bialozor.
# Modified and now maintained by B. Watson <urchlay@slackware.uk>.
# Originally this had no license. Modified version is licensed under
# the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# 20260707 bkw:
# - take over maintenance.
# - apply Debian's latest patches (bugfixes).
# - install binary stripped.
# This is too useful to allow it to go unmaintained.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=dhcping
VERSION=${VERSION:-1.2_6}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

set -e

SRCVER=${VERSION%_*}
DEBVER=${VERSION#*_}

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVER
tar xvf $CWD/$PRGNAM-$SRCVER.tar.gz
cd $PRGNAM-$SRCVER
tar xvf $CWD/${PRGNAM}_${SRCVER}-$DEBVER.debian.tar.xz
chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

for i in $( cat debian/patches/series ); do
  if [ -e debian/patches/$i ]; then
    echo "===> applying $i"
    patch -p1 < debian/patches/$i
  fi
done

CFLAGS="$SLKCFLAGS" \
./configure \
  --bindir=/sbin \
  --prefix=/usr \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

make
make install-strip DESTDIR=$PKG
gzip -9 $PKG/usr/man/man*/*

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a CHANGES CONTACT LICENSE $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE