#!/bin/sh

# Slackware build script for nvidia-kernel

# Copyright 2007-2010 Heinz Wiesinger, Amsterdam, The Netherlands
# 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.

# Thanks to Robby Workman for suggestions to improve this script.

KERNEL=${KERNEL:-$(uname -r)}
KERNELPATH=${KERNELPATH:-/lib/modules/${KERNEL}/build}

VERSION=195.36.15
PRGNAM=nvidia-kernel
PKGVER=${VERSION}_$(echo $KERNEL | tr - _)

BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ "$ARCH" = "i486" ]; then
  TARGET="x86"
elif [ "$ARCH" = "i686" ]; then
  TARGET="x86"
elif [ "$ARCH" = "x86_64" ]; then
  TARGET="x86_64"
fi

unset ARCH

SRCNAM=NVIDIA-Linux-$TARGET-$VERSION-pkg0

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP || exit 1
rm -rf $SRCNAM
sh $CWD/$SRCNAM.run --extract-only || exit 1
cd $SRCNAM || exit 1
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

cd usr/src/nv/ || exit 1

make SYSSRC=$KERNELPATH module || exit 1

# It seems better as DESTDIR doesn't work here, to install the module manually.
#make SYSSRC=$KERNELPATH install DESTDIR=$PKG || exit 1

mkdir -p $PKG/lib/modules/$KERNEL/kernel/drivers/video
install -m 0664 nvidia.ko $PKG/lib/modules/$KERNEL/kernel/drivers/video/

mkdir -p $PKG/usr/doc/$PRGNAM-$PKGVER
cp -a README $PKG/usr/doc/$PRGNAM-$PKGVER
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$PKGVER/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed "s%@KERNEL@%$KERNEL%" $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$PKGVER-$TARGET-$BUILD$TAG.${PKGTYPE:-tgz}