#!/bin/sh

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

# Written by Niels Horn - niels.horn@gmail.com
# revision date 2009/12/19

set -e

PRGNAM=hercules
VERSION=${VERSION:-svn_20091219}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

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 .
chmod -R u+w,go+r-w,a-s .

# Apply patch to resolve directory of Hercules modules in x86_64
patch -p1 < $CWD/moddir.patch

# Generate configure etc. first...
sh autogen.sh

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

make
make install DESTDIR=$PKG

( 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
)

# 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 \
  ABOUT-NLS CHANGES 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:-tgz}