#!/bin/sh

# Slackware build script for live555

# Copyright 2014-2017 Christoph Willing, Brisbane, Australia
# 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=live555
VERSION=${VERSION:-2017.05.24}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCNAM=live

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}

case "$ARCH" in
  x86_64) LIBDIRSUFFIX="64" ;;
  *) LIBDIRSUFFIX="" ;;
esac

set -eu

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM
tar xvf $CWD/$SRCNAM.$VERSION.tar.gz
cd $SRCNAM
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 {} \;

for f in $(find . -type f |xargs grep -l "PREFIX =") ; do echo $f; sed -i -e "/PREFIX =/c\PREFIX = \/usr" $f ; done
for f in $(find . -type f |xargs grep -l "LIBDIR =") ; do echo $f; sed -i -e "/LIBDIR =/c\LIBDIR = \$(PREFIX)\/lib$LIBDIRSUFFIX" $f ; done

./genMakefiles linux-with-shared-libraries
make
make install DESTDIR=$PKG || {
    # Intermittent race condition 
    sleep 1
    make install DESTDIR=$PKG
}

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig
sed -e "s/%VERSION%/$VERSION/" -e "s/%LIBDIRSUFFIX%/$LIBDIRSUFFIX/" -e "s/%PREFIX%/\/usr/" $CWD/live555.pc.in >$PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/live555.pc
chmod 0644 $PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/live555.pc

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING README $PKG/usr/doc/$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}