#!/bin/sh
# Adapted from svgalib.build

# Set initial variables:
CWD=`pwd`
PKG=/tmp/package-svgalib

VERSION=1.4.3
ARCH=${ARCH:-x86_64}
BUILD=${BUILD:-2}

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  SLKLDFLAGS="-L/usr/lib64"
  LIBSUFFIX=64
fi

rm -rf $PKG
mkdir -p $PKG
cd /tmp
rm -rf svgalib-$VERSION
tar xzvf $CWD/svgalib-$VERSION.tar.gz
cd svgalib-$VERSION
# svgalib 1.4.3 needs quite a bit of patching to work these days - most of it is to fix up silly compiler errors
# and add destdir support
zcat $CWD/svgalib-1.4.3-destdir.diff.gz | patch -p1 || exit 1 # Modified from PLD patch for 1.4.1
zcat $CWD/gcc-fixes.diff.gz | patch -p1 || exit 1 # Some trivial compiler fixes
if [ $ARCH = "x86_64" ]; then
  zcat $CWD/svgalib-1.4.3-amd64.diff.gz | patch -p1 || exit 1 # Tweaked from Debian. Fix AMD64 assembly bugs, x86 only bits, etc
fi
zcat $CWD/vga-fix.diff.gz | patch -p0 || exit 1 # Another one line trivial fix
zcat $CWD/svgalib-1.4.3-lineart.diff.gz | patch -p1 || exit 1 # YASOLCF: Yet another stupid one line compiler fix...
if [ $ARCH = "x86_64" ]; then
  zcat $CWD/svgalib.config.slamd64.diff.gz | patch -p1 --backup --suffix=.orig --verbose || exit 1 # Slamd64
else
  zcat $CWD/svgalib.config.diff.gz | patch -p1 --backup --suffix=.orig --verbose || exit 1 # Slackware
fi

mkdir -p $PKG/etc/vga
chown -R root.root .
make install DESTDIR=$PKG
make demoprogs

( cd demos
  mkdir -p $PKG/usr/lib$LIBSUFFIX/svgalib

  cp -a accel bankspeed bg_test eventtest forktest fun joytest keytest lineart mjoytest mousetest printftest scrolltest speedtest spin testaccel testgl testlinear vgatest $PKG/usr/lib$LIBSUFFIX/svgalib
)

# These might not be secure enough to install setuid root by default:
chmod 755 $PKG/usr/lib$LIBSUFFIX/svgalib/*
cp -a threeDKit $PKG/usr/lib$LIBSUFFIX
cp Makefile.cfg $PKG/usr/lib$LIBSUFFIX/threeDKit
( cd $PKG/usr/lib$LIBSUFFIX/threeDKit ; zcat $CWD/threedkit-makefile.diff.gz | patch -p0 --backup --suffix=.orig )
rm $/usr/lib$LIBSUFFIX/threeDKit/Makefile.orig
chown -R root:root /usr/lib$LIBSUFFIX/threeDKit
( cd /usr/lib$LIBSUFFIX/threeDKit ; make clean )

chown -R root.root $PKG/usr/bin
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)
mkdir -p $PKG/usr/doc/svgalib-$VERSION
cp -a \
  0-INSTALL 0-README lrmi-0.6m mach svgalib.lsm doc et4000 support svpmi \
$PKG/usr/doc/svgalib-$VERSION
chmod 644 $PKG/usr/doc/svgalib-$VERSION/*
mkdir -p $PKG/usr/man
mv $PKG/usr/doc/svgalib-$VERSION/doc/man* $PKG/usr/man
gzip -9 $PKG/usr/man/man?/*
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
makepkg -l y -c n ../svgalib-$VERSION-$ARCH-$BUILD.tgz

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf /tmp/svgalib-$VERSION
  rm -rf $PKG
fi