#!/bin/sh

# Copyright 2007-2008 Heinz Wiesinger <hmwiesinger@gmx.at>
# Copyright 2008, 2009  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.

PRGNAM=dev86
SRCNAM=Dev86src
VERSION=0.16.17
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

CWD=$(pwd)
TMP=${TMP:-/tmp}
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"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvzf $CWD/$SRCNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
if [ "$ARCH" = "x86_64" ]; then
  zcat $CWD/dev86-x86_64.patch.gz \
    | patch -p1 --verbose --backup --suffix=.orig -E
  # On x86_64 elks will not build:
  zcat $CWD/dev86-x86_64.noelks.patch.gz \
    | patch -p1 --verbose --backup --suffix=.orig -E
fi
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

#Does not compile with changed CFLAGS
#CC="gcc" make CFLAGS="-Wall -Wstrict-prototypes $SLKCFLAGS -g" DIST=$PKG
CC="gcc" \
make DIST=$PKG MANDIR=/usr/man LIBDIR=/usr/lib${LIBDIRSUFFIX}/bcc \
  INCLDIR=/usr/lib${LIBDIRSUFFIX}/bcc LOCALPREFIX=/usr \
  install install-man 

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

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a Changes Contributors COPYING README $PKG/usr/doc/$PRGNAM-$VERSION
for i in bootblocks copt dis88 elksemu unproto ; do
  cp -a $i/README $PKG/usr/doc/$PRGNAM-$VERSION/README.$i ;
done
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
find $PKG/usr/doc -type f -exec chmod 0644 {} \;

if [ "$ARCH" = "x86_64" ]; then # Remove traces of elks
  rm -f $PKG/usr/doc/$PRGNAM-$VERSION/README.elksemu
  find $PKG/usr/man -name "elks*.*" -exec rm -f {} \;
fi

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.txz