#!/bin/bash

# Slackware build script for gpsd

# Copyright 2011 David Spencer, Baildon, West Yorkshire, U.K.
# 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=gpsd
VERSION=${VERSION:-3.18.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

ENABLELIST=""
set -- $(echo $ENABLE | sed 's/,/ /g')
while [ "$1" != "" ]
do
  case "$1" in
  *=* )
    ENABLELIST+=" $1"
    ;;
  * )
    ENABLELIST+=" $1=yes"
    ;;
  esac
  shift
done
DISABLELIST=""
set -- $(echo $DISABLE | sed 's/,/ /g')
while [ "$1" != "" ]
do
  DISABLELIST+=" $1=no"
  shift
done

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# g++ may throw an 'internal compiler error' in the QT bindings.
# *Nothing* actually uses this, but you can enable it by deleting
# 'qt=no' below (and you should keep the libQgpsmm manpage)
CFLAGS=$SLKCFLAGS \
scons \
  prefix=/usr \
  libdir=/usr/lib${LIBDIRSUFFIX} \
  python_libdir=/usr/lib${LIBDIRSUFFIX}/python$(python -c 'import sys; print sys.version[:3]')/site-packages \
  pkgconfigdir=/usr/lib${LIBDIRSUFFIX}/pkgconfig \
  mandir=/usr/man \
  chrpath=no \
  qt=no \
  $ENABLELIST \
  $DISABLELIST

DESTDIR=$PKG \
scons \
  --implicit-deps-unchanged \
 install

# Fix daft permission from upstream
chmod 755 $PKG/usr/bin/gpsprof
# Add a missed file
install -m 0644 gpsinit \
  $PKG/usr/sbin/gpsinit

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $(find $PKG/usr/man -type l) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
# libQgpsmm == qt bindings == not built, so remove the manpage:
rm -f $PKG/usr/man/man3/libQgpsmm.3.gz

install -D -m 0644 $CWD/xgps.desktop \
  $PKG/usr/share/applications/xgps.desktop
install -D -m 0644 $CWD/xgpsspeed.desktop \
  $PKG/usr/share/applications/xgpsspeed.desktop
install -D -m 0644 packaging/X11/gpsd-logo.png \
  $PKG/usr/share/pixmaps/gpsd-logo.png

# Get hotplug config from /etc/rc.d/rc.gpsd.conf not /etc/default/gpsd
sed -i 's;/etc/default/gpsd;/etc/rc.d/rc.gpsd.conf;' gpsd.hotplug
install -D -m 0755 gpsd.hotplug \
  $PKG/lib/udev/gpsd.hotplug
mkdir -p $PKG/lib/udev/rules.d

# Comment out all udev rules: the user is expected to enable only the
# rules required (see README)
cat gpsd.rules | \
  sed 's/^ATTRS/#&/' \
  >$PKG/lib/udev/rules.d/97-gpsd.rules

install -D -m 0644 $CWD/rc.gpsd.new \
  $PKG/etc/rc.d/rc.gpsd.new
install -D -m 0644 $CWD/rc.gpsd.conf.new \
  $PKG/etc/rc.d/rc.gpsd.conf.new

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING INSTALL README TODO build.txt $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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