#!/bin/bash

# Slackware build script for OSS 4.

# Written by Dugan Chen (thedoogster [at] gmail [dot] com).

PRGNAM=oss
VERSION=${VERSION:-4.2.2019}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

MAJOR=$(printf $VERSION | cut -d. -f-2)
MINOR=$(printf $VERSION | cut -d. -f3)

SRCVERSION=v${MAJOR}-build${MINOR}-src-gpl

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2" # yes, -fPIC is left out on purpose here
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf oss-${SRCVERSION}
tar xvf $CWD/oss-${SRCVERSION}.tar.bz2
cd oss-${SRCVERSION}
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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

patch -p1 < $CWD/glibc-2.23.patch

if [ $ARCH = "x86_64" ]; then
  sed -i 's,OSSLIBDIR=\"/usr/lib/oss\",OSSLIBDIR=\"/usr/lib64/oss\",g' configure || exit 1
fi

mkdir build && cd build
../configure
CFLAGS="$SLKCFLAGS" make build
cp -a prototype/* $PKG

chmod -R a+r $PKG
find $PKG -type d -exec chmod a+x '{}' \;

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

# Don't clobber the config file
mv $PKG/etc/oss.conf $PKG/etc/oss.conf.new

mkdir -p $PKG/etc/rc.d
cat $CWD/rc.oss > $PKG/etc/rc.d/rc.oss.new

mkdir -p $PKG/usr/share/applications
cat $CWD/ossxmix.desktop > $PKG/usr/share/applications/ossxmix.desktop

mkdir -p $PKG/etc/xdg/autostart
( cd $PKG/etc/xdg/autostart
  ln -sf /usr/share/applications/ossxmix.desktop .
)

# Fix location of manual pages
mv $PKG/usr/share/man $PKG/usr

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING Changelog RELNOTES.txt $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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