#!/bin/bash

# Slackware build script for dis6502

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

PRGNAM=dis6502
VERSION=${VERSION:-0.12}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
chmod 644 *

patch -p1 < $CWD/compilefix.diff
patch -p1 < $CWD/helpformat.diff # add missing \n to last line of usage msg
make CFLAGS="$SLKCFLAGS"

mkdir -p $PKG/usr/bin $PKG/usr/man/man1
install -s -m0755 $PRGNAM $PKG/usr/bin

# man page based on the one from comp.sources.amiga v02i053 release, dated
# October 1986,
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz

# c64.predefs file is a modified version of the one from the
# comp.sources.amiga v02i053 release. atari8.predefs file was created
# by the SlackBuild author.
mkdir -p $PKG/usr/share/$PRGNAM
cat $CWD/c64.predefs > $PKG/usr/share/$PRGNAM/c64.predefs
cat $CWD/atari8.predefs > $PKG/usr/share/$PRGNAM/atari8.predefs

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