#!/bin/bash

# Slackware build script for Hercules:
# the System/370, ESA/390 and z/Architecture  emulator

# Written by Niels Horn - niels.horn@gmail.com
# revision date 2010/03/10

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

PRGNAM=hercules
VERSION=${VERSION:-3.13}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
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 [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
  ARCHQUADLET=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
  ARCHQUADLET=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
  ARCHQUADLET=""
elif [ "$ARCH" = "arm" ]; then
  SLKCFLAGS="-O2 -march=armv4t"
  LIBDIRSUFFIX=""
  ARCHQUADLET="-gnueabi"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
  ARCHQUADLET=""
fi

set -e

rm -rf $TMP/$PRGNAM-$VERSION $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
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 {} \;

CFLAGS="$SLKCFLAGS" \
  ./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-external-gui \
  --build=$ARCH-slackware-linux$ARCHQUADLET

make
make install DESTDIR=$PKG

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

find $PKG/usr/man -type f -exec gzip -9 {} \;

# Copy standard configuration file to /etc
mkdir -p $PKG/etc
cat hercules.cnf > $PKG/etc/hercules.cnf.new

# Copy icon & desktop file to package
mkdir -p $PKG/usr/share/{applications,pixmaps}
cat $CWD/hercules.desktop > $PKG/usr/share/applications/hercules.desktop
cat $CWD/hercules.png > $PKG/usr/share/pixmaps/hercules.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/html
cp -a \
  COPYRIGHT INSTALL README.* RELEASE.NOTES \
    $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc/$PRGNAM-$VERSION -type f -exec chmod 644 {} \;
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# The hercules Makefile does not accept the docdir correctly for the html files
# so we move them manually
mv $PKG/usr/share/hercules/*.{html,css} $PKG/usr/doc/$PRGNAM-$VERSION/html/
mv $PKG/usr/share/hercules/images $PKG/usr/doc/$PRGNAM-$VERSION/html/
mv $PKG/usr/share/hercules/include $PKG/usr/doc/$PRGNAM-$VERSION/html/

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