#!/bin/sh

# Slackware build script for mjpg-streamer

# Copyright 2011  David Woodfall <dave@dawoodfall.net>
# 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.

PRGNAM=mjpg-streamer
VERSION=${VERSION:-r163}
BUILD=${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

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
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 {} \;

# Add our flags to the Makefiles
find . -name Makefile -exec \
    sed -i "s/^CFLAGS += -O2/CFLAGS += $SLKCFLAGS/
    s/^CFLAGS += -O1/CFLAGS += $SLKCFLAGS/
    0,/^CFLAGS +=/ {/^CFLAGS +=.*/a\
    CXXFLAGS = $SLKCFLAGS
    }" '{}' \;

# This header is OLD
sed -i "s|linux/videodev|linux/videodev2|" uvc-streamer/*

# Manual installation section
cd uvc-streamer
make
install -m 755 -D uvc_stream $PKG/usr/bin/uvc_stream
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/uvc-streamer
cp -a  README CHANGELOG LICENSE \
     $PKG/usr/doc/$PRGNAM-$VERSION/uvc-streamer

cd ../mjpg-streamer-experimental
make
install -m 755 -D mjpg_streamer $PKG/usr/bin/mjpg_streamer
mkdir -p $PKG/usr/lib$LIBDIRSUFFIX
install -m 644 *.so $PKG/usr/lib$LIBDIRSUFFIX
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/mjpg-streamer
cp -a  README CHANGELOG LICENSE TODO start.sh \
     $PKG/usr/doc/$PRGNAM-$VERSION/mjpg-streamer
mkdir -p $PKG/var/mjpg-www
cp -r www/* $PKG/var/mjpg-www

cd ../udp_client
qmake
make
install -m 755 -D udp_client $PKG/usr/bin/udp_client

find $PKG | xargs file | grep -e "executable" -e "shared object"  | grep ELF | \
  cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# This is already stripped.
cd ../mjpeg-client/bin/linux_i386_upx
install -m 755 -D viewer $PKG/usr/bin/uvc_viewer

cd ../../../

cp -a  doc/* \
     $PKG/usr/doc/$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}
