#!/bin/sh
# Copyright 2008 Loris Vincenzi (http://www.slacky.eu)
# All rights reserved.
# Thanks to Vincent Batts, vbatts@hashbangbash.com
# Heavily based on the Slackware 13.37 SlackBuild
#
# http://www.swiss.csail.mit.edu/~jaffer/SLIB.html
#
# 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`
OUTPUT=${OUTPUT:-$CWD}
PKGNAME=slib
TMP=${TMP:-/tmp/txz/$PKGNAME}
PKG=$TMP/package
VERSION=${VERSION:-3b2}
ARCH=${ARCH:-i486}
JOBS=${JOBS:--j2}
BUILD=${BUILD:-3}
TAG=${TAG:-sl}


SOURCE="http://swiss.csail.mit.edu/ftpdir/scm/OLD/$PKGNAME-$VERSION.zip"

# Download sorce tarball if still not present
if [ ! -e $CWD/$PKGNAME-$VERSION.zip ]; then
wget -c $SOURCE
fi



# Set compiling FLAGS
if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i486"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"; SLKLDFLAGS=""; LIBDIRSUFFIX=""; CHOST="i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"; SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"; CHOST="x86_64"
fi


# Create building directory
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT


# Decompress the source tarball
cd $TMP
unzip -o $CWD/$PKGNAME-$VERSION.zip

echo -e "\E[0;32m+-----------------------+\E[0;0m"
echo -e "\E[0;32m| Start SlackBuild Slib |\E[0;0m"
echo -e "\E[0;32m+-----------------------+\E[0;0m"

# Adjust permissions and ownerships
cd $PKGNAME
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# Building Slib  package
sed -i 's%/usr/local%/usr%g' Makefile
make libdir=/usr/lib${LIBDIRSUFFIX}/
make infoz DESTDIR=$PKG
make libdir=/usr/lib${LIBDIRSUFFIX}/ install DESTDIR=$PKG

# Add documentation files: readme, changelog and so on
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild
cp -a ANNOUNCE COPYING ChangeLog FAQ README $PKG/usr/doc/$PKGNAME-$VERSION
chmod 644 $PKG/usr/doc/$PKGNAME-$VERSION/*

# The Makefile is braindead
sed -i "s%$PKG%%g" $PKG/usr/bin/slib

# guile is suppose to look to /usr/share/slib by default
mkdir -p $PKG/usr/share/guile
( cd $PKG/usr/share/ ; ln -s ../lib${LIBDIRSUFFIX}/slib . )
( cd $PKG/usr/share/guile/ ; ln -s ../../lib${LIBDIRSUFFIX}/slib . )

# a somewhat perculiar quirk that only seems to be an issue on slackware
( cd $PKG/usr/lib${LIBDIRSUFFIX}/slib ; ln -s mklibcat.scm mklibcat )

rm -f $PKG/usr/info/dir


# Also add the slack-desk file and this slackbuild to the package
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-desc
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$PKGNAME.SlackBuild


# Compress the man pages if present
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



# Find and print dependencies into slack-required file
cd $PKG
chown -R root:root $PKG
if [ -x /usr/bin/requiredbuilder ];then
requiredbuilder -y -v -s  $CWD $PKG
fi
# Create txz package
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

# Cleanup if enabled
if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi