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#!/bin/sh
# Slackware build script for gpsd
# Written by David Spencer <baildon.research@googlemail.com>
# This script is dedicated to the public domain

PRGNAM=gpsd
VERSION=2.94
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

CWD=$(pwd)
TMP=${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
  ENABLELIST+=" --enable-$1"
  shift
done
DISABLELIST=""
set -- $(echo $DISABLE | sed 's/,/ /g')
while [[ "$1" != "" ]]
do
  DISABLELIST+=" --disable-$1"
  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 .
chmod -R u+w,go+r-w,a-s .

# Fixup the pkgconfig file templates
# (force "pkg-config --libs libgps[d]" to return -L/usr/lib64 on x86_64)
patch -p1 < $CWD/gpsd-pkgconfig_templates.patch

# Fix libusb detection (thanks Niels Horn!)
sed "s|/usr/lib/libusb|/usr/lib$LIBDIRSUFFIX/libusb|" -i configure

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --enable-dbus \
  --build=$ARCH-slackware-linux \
  $ENABLELIST \
  $DISABLELIST

make

# --no-print-directory prevents crazy gps-2.94-py2.6.egg-info install path
# (thanks again Niels Horn!)
make --no-print-directory install-strip DESTDIR=$PKG

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING INSTALL README TODO $PKG/usr/doc/$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

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