#!/bin/sh

# Heavily based on the Slackware 12.2 SlackBuild

# Slackware build script for irpas (http://phenoelit-us.org/irpas/)

# 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.

# Exit on most errors
set -e 

# Set variables:
CWD=$(pwd)

PRGNAME=${PRGNAME:-irpas}		
VERSION=${VERSION:-0.10}	
ARCH=${ARCH:-i486}		
BUILD=${BUILD:-2}
TAG=${TAG:-cf}		
TMP=${TMP:-/tmp/tgz/irpas}	
JOBS=${JOBS:-2}
SOURCE=http://phenoelit-us.org/irpas/${PRGNAME}_${VERSION}.tar.gz
PKG=$TMP/package-$PRGNAME
DOCS="$PKG/usr/doc/${PRGNAME}-${VERSION}"
INSTALLDIR=${PKG}/usr/bin
PROGS="ass cdp dfkaa dhcpx file2cable hsrp icmp_redirect igrp irdp \
irdpresponder itrace netenum netmask protos tctrace timestamp"

# Insert document files in this variable
DOCFILES="IRPAS.version"	


# Set compiling FLAGS
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  CHOST="i486"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -pipe -fomit-frame-pointer"
  CHOST="i486"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC -pipe -fomit-frame-pointer"
  CHOST="x86_64"
fi

# Download source, if not exist
if ! [ -e $(basename $SOURCE) ]; then
    wget $SOURCE
fi

# Extract source and prepare:
rm -rf $PKG
rm -rf $TMP
mkdir -p $TMP $PKG
cd $TMP

tar xzvf $CWD/${PRGNAME}_${VERSION}.tar.gz
                    
# 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 {} \;

# Build 
make 

# Install

mkdir -p ${INSTALLDIR}
for i in ${PROGS}; do
    if [ -e ${i} ]; then
        cp ${i} ${INSTALLDIR}
    fi;
done


# 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
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs strip -g 2> /dev/null
)

# 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 license
cat $CWD/LICENSE > $DOCS/LICENSE

# Add a slackbuild script:
cat $CWD/$PRGNAME.SlackBuild > $DOCS/$PRGNAME.SlackBuild

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

# 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 $CWD/$PRGNAME-$VERSION-$ARCH-$BUILD$TAG.tgz

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