#!/bin/sh

# Slackware build script for tinyxml
# Re-written by Konstantinos Mantzaris (kmanjaris@gmail.com)
#
# This script is based on the work of Larry Hajali 
# <larryhaja[at]gmail[dot]com>. Please find the original version on
# github.com/vbatts/SlackBuilds/blob/master/tinyxml/tinyxml.SlackBuild

# Copyright 2012-2016 Konstantinos Mantzaris <kmanjaris@gmail.com>
# 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.



PKGNAM=tinyxml
PKGVER=2_6_2
VERSION=2.6.2
BUILD=${BUILD:-1}
TAG=${TAG:-xsb}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -fPIC -pipe -march=armv7-a -mfpu=neon-vfpv4 -mfloat-abi=softfp -Wno-psabi -lGLESv2"
  SLKINCFLAGS="/opt/vc/include:/opt/vc/include/interface/vcos:/usr/include/interface/vcos/pthreads"
  LIBDIRSUFFIX=""
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf ${PKGNAM}
tar xvf $CWD/${PKGNAM}_$PKGVER.tar.?z* || exit 1
cd ${PKGNAM} || exit 1

# Make sure ownerships and permissions are sane:
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

# Define TINYXML_USE_STL to YES and use custom SLKCFLAGS.
sed -i -e '/^TINYXML_USE_STL/s|=.*|= YES|' -e "s|-O3|$SLKCFLAGS|" Makefile
# Patch source to enable compile on RPi
zcat $CWD/tinyxml.rpipatch.diff.gz | patch -p1 || exit 1

make

g++ -v $SLKCFLAGS -Wall -Wno-unknown-pragmas -Wno-format -shared -o \
  lib${PKGNAM}.so.0.${VERSION} -Wl,-soname,lib${PKGNAM}.so.0 *.o

mkdir -p $PKG/usr/{include,lib${LIBDIRSUFFIX}}
install -m 0755 lib${PKGNAM}.so.0.${VERSION} $PKG/usr/lib${LIBDIRSUFFIX}
( cd $PKG/usr/lib${LIBDIRSUFFIX}
    ln -s lib${PKGNAM}.so.0.${VERSION} lib${PKGNAM}.so.0
    ln -s lib${PKGNAM}.so.0.${VERSION} lib${PKGNAM}.so
)
install -m 0644 $PKGNAM.h tinystr.h $PKG/usr/include

# Strip binaries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}
cp -a \
  AUTHORS COPYING* INSTALL NEWS README TODO \
  $PKG/usr/doc/${PKGNAM}

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/${PKGNAM})
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

mkdir -p $PKG/install
if [ "$ARCH" = "arm" ]; then LIBDIRSUFFIX="RPi"; fi
sed "s/SlaXBMC-14./SlaXBMC${LIBDIRSUFFIX}-14./g" $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.txz