#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# libvpx.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#

# Copyright 2013  Matteo Bernardini <ponce@slackbuilds.org>, Pisa, Italy
# Copyright 2014  Patrick J. Volkerding, Sebeka, MN, USA
# 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
tar xf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-*/ || failextract
slackhousekeeping

# Apply patches:
# Looks like this avoids possible problems with ffmpeg after a supposedly
# ABI compatible libvpx upgrade. Probably doesn't hurt. Thanks to Debian.
cat $CWD/0001-Relax-ABI-check.patch | patch -p1 --verbose || exit 1

# Configure:
# out of tree build
mkdir build-tmp
cd build-tmp
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
../configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --disable-debug-libs \
   --disable-debug \
   --enable-vp8 \
   --enable-postproc \
   --enable-vp9 \
   --enable-vp9-postproc \
   --enable-vp9-highbitdepth \
   --enable-shared \
   --disable-static \
   --enable-runtime-cpu-detect || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package framework:
make install DESTDIR=$PKG || failinstall
cd ..

# These are actually the same ABI, so...
if [ -L $PKG/usr/lib${LIBDIRSUFFIX}/libvpx.so.11 ]; then
   pushd $PKG/usr/lib${LIBDIRSUFFIX}
   ln -sf libvpx.so.11 libvpx.so.9
fi

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
AUTHORS CHANGELOG LICENSE PATENTS README* build-tmp/docs/html \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction CHANGELOG $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links