#!/bin/bash

# Slackware build script for pngcheck

# Written by B. Watson (urchlay@slackware.uk)

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

# I've been using this for ages, off and on, and was kinda shocked I'd
# never done a SBo build for it. So here it is.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=pngcheck
VERSION=${VERSION:-3.0.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
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 .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod -h 755 {} + -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod -h 644 {} +

sed -i "/^CFLAGS/s,-O,$SLKCFLAGS," Makefile.unx
make ZINC=" " ZLIB=-lz -f Makefile.unx

# no 'make install', but dead simple.
PKGBIN=$PKG/usr/bin
PKGMAN1=$PKG/usr/man/man1

mkdir -p $PKGBIN $PKGMAN1

install -m0755 -s pngcheck pngsplit png-fix-IDAT-windowsize $PKGBIN
install -m0644 *.1 gpl/*.1 $PKGMAN1
gzip -9 $PKGMAN1/*

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a CHANGELOG LICENSE gpl/COPYING README $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$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