#!/bin/sh

# Heavily based on the Slackware 13.0 SlackBuild

# Slackware build script for libdnet (http://libdnet.sourceforge.net/)

# Copyright 2008 Corrado Franco (http://www.conraid.net)
# 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.

# Written by Corrado Franco for Slacky Project (http://www.slacky.eu)

# Exit on most errors
set -e 

# Set variables:
PRGNAM=libdnet
VERSION=${VERSION:-1.11}	
ARCH=${ARCH:-i486}		
BUILD=${BUILD:-3}
TAG=${TAG:-cf}		

CWD=$(pwd)
TMP=${TMP:-/tmp/txz}	
PKG=$TMP/package-$PRGNAM
OUTPUT=$CWD

DOCS="$PKG/usr/doc/$PRGNAM-$VERSION"
DOCFILES="LICENSE README THANKS"	

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

# Extract source and prepare:
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION

# Make sure ownerships and permissions are sane:
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 {} \;

# Configure:
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=$ARCH-slackware-linux

# Build and install:
make
make install DESTDIR=$PKG

# Strip binaries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)
fi

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*.info*
fi


# Add a documentation directory:
mkdir -p ${DOCS}
for i in ${DOCFILES}; do
    if [ -e ${i} ]; then
        if ! [ -L ${i} ]; then
	    cp -a ${i} ${DOCS}
	else
	    cp -LRp ${i} ${DOCS}
        fi
    fi;
done

# Add a slackbuild script:
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Add slack-desc and doinst.sh, if any
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
if [ -f $CWD/doinst.sh.gz ]; then
	zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
else
    if [ -f $CWD/doinst.sh ]; then
	cat $CWD/doinst.sh > $PKG/install/doinst.sh
    fi
fi


# Create slack-required file:
if [ -x /usr/bin/requiredbuilder ]; then
    requiredbuilder -v -y -s $CWD $PKG
fi

# Create package:
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.txz

# Clean file, if option is set: 
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi