#!/bin/sh

# Copyright 2008, 2009, 2010  Patrick J. Volkerding, Sebeka, MN, 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.

PKGNAM=bridge-utils
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

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

NUMJOBS=${NUMJOBS:-" -j7 "}

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

NUMJOBS=${NUMJOBS:-" -j7 "}

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

cd $TMP
rm -rf bridge-utils-$VERSION
tar xf $CWD/bridge-utils-$VERSION.tar.xz || exit 1
cd bridge-utils-$VERSION || 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 {} \;

# Apply patches:
zcat $CWD/bridge-utils-1.5-linux_3.8.x.patch.gz | patch -p1 --verbose || exit 1

# Configure:
autoconf
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --includedir=/usr/include \
  --with-linux-headers=/usr/include \
  --mandir=/usr/man || exit 1

# Build:
make $NUMJOBS || make || exit 1

# Install into package:
make install DESTDIR=$PKG || exit 1
mkdir -p $PKG/usr/include
install -m 644 libbridge/libbridge.h $PKG/usr/include
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}
install -m 644 libbridge/libbridge.a $PKG/usr/lib${LIBDIRSUFFIX}

mkdir -p $PKG/sbin
mv $PKG/usr/sbin/brctl $PKG/sbin/brctl
( cd $PKG/usr/sbin ; ln -sf ../../sbin/brctl brctl )
strip --strip-unneeded $PKG/sbin/brctl
rmdir $PKG/usr/sbin

strip -g $PKG/usr/lib${LIBDIRSUFFIX}/libbridge.a

gzip -9 $PKG/usr/man/man8/*.8

mkdir -p $PKG/usr/doc/bridge-utils-$VERSION
cp -a \
  AUTHORS COPYING* README* THANKS TODO  \
  doc \
  $PKG/usr/doc/bridge-utils-$VERSION
( cd $PKG/usr/doc/bridge-utils-$VERSION/doc
  rm -f Makefile Makefile.in RPM-GPG-KEY brctl.8
)

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

# Finish up the package:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

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