#!/bin/bash
# This script is not meant to be run directly:
if [ -z $DEMOVERS ]; then
  exit 1
fi

# Now build/install a small subset of the demos:
export CWD SLKCFLAGS NUMJOBS PKG
( cd $TMP
  rm -rf mesa-demos-$DEMOVERS
  tar xvf $CWD/mesa-demos-$DEMOVERS.tar.?z* || exit 1
  cd mesa-demos-$DEMOVERS
  chown -R root:root .
  find . \
    \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
    -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
    -exec chmod 644 {} \+
  # Architecture-specific settings can be configured in the mesa.SlackBuild
  # within the variable 'SLK_MESADEMOS_CONF_OPTS'
  CFLAGS="$SLKCFLAGS" \
  ./configure \
    $SLK_MESADEMOS_CONF_OPTS \
    --enable-autotools \
    --prefix=/usr \
    --build=$ARCH-slackware-linux || exit 1
  make $NUMJOBS || exit 1
  # Install all the demos (including the pointless ones) at first, in a
  # temporary location:
  make install DESTDIR=$PKG/cruft || exit 1
  # Install gears and glinfo, as well as a few other demos:
  mkdir -p $PKG/usr/bin
  MESA_DEMO_BINS="${MESA_DEMO_BINS:=eglinfo gears glinfo glthreads glxcontexts glxdemo \
              glxgears glxgears_fbconfig glxheads glxinfo glxpbdemo glxpixmap}"
  # Install the demo:
  for demo in $MESA_DEMO_BINS ; do
    mv --verbose $PKG/cruft/usr/bin/$demo $PKG/usr/bin
  done
  # Remove cruft:
  rm -rf $PKG/cruft
  # Add the README file(s):
  rm -rf $PKG/usr/doc/mesa-demos-$DEMOVERS
  mkdir -p $PKG/usr/doc/mesa-demos-$DEMOVERS
  cp -a README* $PKG/usr/doc/mesa-demos-$DEMOVERS
) || exit 1