#!/bin/sh
# Copyright (c) 2006 Eric Hameleers <alien@sox.homeip.net>
# Distributed under the terms of the GNU General Public License, Version 2
# $Id: unionfs.SlackBuild,v 1.5 2005/10/12 12:29:25 root Exp root $
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script
# ===========================
# By:        Eric Hameleers <alien@slackware.com>
# For:       unionfs
# URL:       http://www.fsl.cs.sunysb.edu/project-unionfs.html
# Needs:
# Changelog:
# 1.0.9-1:   17/mar/2005 by Eric Hameleers
#            * Initial build.
# 1.0.13-1:  07/aug/2005 by Eric Hameleers
#            * New release.
# 1.0.14-1:  12/oct/2005 by Eric Hameleers
#            * New release. I changed detection of the kernel source dir.
#
# 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=unionfs
VERSION=1.0.14
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

KVER=${KVER:-`/bin/uname -r`}
KSRC=${KSRC:-/lib/modules/${KVER}/build}

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"
fi

PKG=$TMP/package-${PRGNAM}

if [ ! -d $TMP/tmp-$PRGNAM ]; then
  mkdir -p $TMP/tmp-$PRGNAM # location to build the source
fi

# --- PACKAGE BUILDING ---

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

rm -rf $PKG
mkdir -p $PKG

cd $PKG

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

cd $TMP/tmp-$PRGNAM

rm -rf ${PRGNAM}-$VERSION
tar xzvf $CWD/${PRGNAM}-$VERSION.tar.gz
cd ${PRGNAM}-$VERSION
chown -R root.root .
export CFLAGS="$SLKCFLAGS"

# Adding this: EXTRACFLAGS=-DUNIONFS_XATTR broke my build of 1.0.13,
# whereas it worked before in 1.0.9... in 10.014 it works again :-)

cat <<EOT > fistdev.mk
UNIONFS_DEBUG_CFLAG=
EXTRACFLAGS=-DNODEBUG -DUNIONFS_XATTR
LINUXSRC=${KSRC}
PREFIX=/usr
KVERS=${KVER}
EOT
 
make

mkdir -p $PKG/lib/modules/${KVER}/kernel/fs
make PREFIX=$PKG/usr MODPREFIX=$PKG install

( cd $PKG/lib/modules
  find . -type f -name "*.o" -exec gzip -9 {} \;
)


# --- DOINST.SH ---

# And now write the doinst.sh :
mkdir -p $PKG/install
cat <<-EEOOTT > $PKG/install/doinst.sh
	# Only run depmod on matching running kernel
	# Slackware will run depmod anyway on reboot):
	MYMODVER=$KVER
	MYKERNEL=\`uname -r\`
	
	if [ "\$MYKERNEL" = "\$MYMODVER" ]; then
	  if [ -x sbin/depmod ]; then
	    chroot . /sbin/depmod -a \$MYKERNEL 1> /dev/null 2> /dev/null
	  fi
	fi
	EEOOTT


# --- DOCUMENTATION ---

DOCS="$CWD/00README.slackware AUTHORS COPYING ChangeLog NEWS README doit.sh"


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

# Compress the man page(s)
gzip -9f $PKG/usr/man/*/*

# 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
chgrp root:bin $PKG/usr/bin/* $PKG/usr/sbin/* $PKG/bin/* $PKG/sbin/* \
               $PKG/usr/X11R6/bin/* $PKG/opt/kde/bin/* 2>/dev/null

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

cd $PKG
makepkg -l y -c n $TMP/${PRGNAM}-${VERSION}_${KVER}-$ARCH-$BUILD.tgz
( cd $TMP &&
  md5sum $PRGNAM-${VERSION}_${KVER}-$ARCH-$BUILD.tgz > $PRGNAM-${VERSION}_${KVER}-$ARCH-$BUILD.tgz.md5
)
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $TMP/$PRGNAM-${VERSION}_${KVER}-$ARCH-$BUILD.txt

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