#!/bin/sh
# Copyright (c) 2006 Eric Hameleers <alien@sox.homeip.net>
# Distributed under the terms of the GNU General Public License, Version 2
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:        Eric Hameleers <alien@slackware.com>
# For:       pax
# URL:       Provided with SuSE Linux
# Needs:     
# Changelog:
# 3.4-1:     20/Dec/2005 by Eric Hameleers <alien@slackware.com>
#            * Initial build.
# 
# Run 'sh SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# --- INIT ---
# Set initial variables:
CWD=`pwd`
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi

PRGNAM=pax
VERSION=3.4
ARCH=${ARCH:-i486}
BUILD=1

DOCS="ABOUT-NLS AUTHORS COPYING ChangeLog NEWS README THANKS"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mcpu=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "athlon-xp" ]; then
  SLKCFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
fi

PKG=$TMP/package-$PRGNAM

if [ ! -d $TMP/tmp-$PRGNAM ]; then
  mkdir -p $TMP/tmp-$PRGNAM # location to build the source
elif [ "$1" != "--oldbuild" ]; then
  # If the "--oldbuild" parameter is present, we keep
  #  the old build files and continue;
  # By default we remove the remnants of previous build and continue:
  rm -rf $TMP/tmp-$PRGNAM/*
fi

if [ ! -d $PKG ]; then
  mkdir -p $PKG # place for the package to be built
fi


# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

# Safety net 8-)
if [ "$PKG" = "" -o "$PKG" = "/" ] ; then
  cat <<-EOT
	Your script sucks!!!
	You were about to delete the contents of your computer's hard disk!
	Please provide a value for the variable 'PKG'.
	EOT
  exit 1
fi
# We always erase old package's contents:
rm -rf $PKG/*

cd $PKG

# Explode the package framework:
if [ -f $CWD/_$PRGNAM.tar.gz ]; then
  explodepkg $CWD/_$PRGNAM.tar.gz
fi

cd $TMP/tmp-$PRGNAM


# --- TARBALL EXTRACTION,PATCH,MODIFY ---

echo "Extracting the program tarball(s) for $PRGNAM..."
tar -xjvf $CWD/${PRGNAM}-${VERSION}.tar.bz2
cd ${PRGNAM}-${VERSION}

chown -R root.root *
find . -perm 777 -exec chmod 755 {} \;


# --- BUILDING ---

echo Building ...

CFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
             --mandir=/usr/man \
            --localstatedir=/var \
            --sysconfdir=/etc \
            2>&1 | tee $CWD/configure-${PRGNAM}.log
make 2>&1 | tee $CWD/make-${PRGNAM}.log

#
# Install all the needed stuff to the package dir
#
# Use installwatch if available:
which installwatch > /dev/null 2>&1
if [ $? == 0 ]; then
  installwatch -o $CWD/install-${PRGNAM}.log make DESTDIR=$PKG install
else
  make DESTDIR=$PKG install 2>&1 |tee $CWD/install-${PRGNAM}.log
fi


# --- DOCUMENTATION ---

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS \
      $PKG/usr/doc/$PRGNAM-$VERSION
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*

# Move incorrectly installed man pages, if any
[ -d $PKG/usr/share/man ] && \
  mv $PKG/usr/share/man $PKG/usr/ && rmdir $PKG/usr/share
# Compress the man page(s)
gzip -9f $PKG/usr/man/*/*   2>/dev/null
gzip -9f $PKG/usr/man/*/*/* 2>/dev/null

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


# --- OWNERSHIP, RIGHTS ---

chmod -R o-w $PKG
chown root:bin $PKG/usr/bin/* $PKG/usr/sbin/* $PKG/bin/* $PKG/sbin/* \
               $PKG/usr/X11R6/bin/* $PKG/opt/kde/bin/* 2>/dev/null


# --- PACKAGE DESCRIPTION ---

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
if [ -f $CWD/doinst.sh ]; then
  cat $CWD/doinst.sh > $PKG/install/doinst.sh
fi
# I give in :-/
if [ -f $CWD/slack-requires ]; then
  cat $CWD/slack-requires > $PKG/install/slack-requires
fi


# --- BUILDING ---

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $TMP/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz \
  2>&1 | tee $CWD/makepkg-${PRGNAM}.log
(cd $TMP && md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz.md5)
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $TMP/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.txt
if [ -f $PKG/install/slack-requires ]; then
  cat $PKG/install/slack-requires > $TMP/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.dep
fi


# --- CLEANUP ---

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/tmp-$PRGNAM
  rm -rf $PKG
fi