#!/bin/bash

# Slackware build script for pucrunch

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

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

# Note about the source: upstream doesn't provide an archive, instead each
# file is linked to from the homepage. I created pucrunch-20081122.tar.xz
# by downloading all the individual files. The version number is the
# 'Last Updated' date on the homepage.

PRGNAM=pucrunch
VERSION=${VERSION:-20081122}
BUILD=${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.xz
cd $PRGNAM-$VERSION
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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

sed -i "s,-O,$SLKCFLAGS," Makefile
make

# no Makefile for this, plus it needs special incantations...
gcc $SLKCFLAGS -funsigned-char \
    -include sys/param.h -Dfar= -Dmin=MIN -Dmax=MAX \
    -o cbmcombine cbmcombine.c

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

# man page created by script author from the HTML docs:
mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz
gzip -9c < $CWD/cbmcombine.1 > $PKG/usr/man/man1/cbmcombine.1.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/examples
cp -a $PRGNAM.html $PKG/usr/doc/$PRGNAM-$VERSION
cp -a *.asm $PKG/usr/doc/$PRGNAM-$VERSION/examples
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}