check_build() {

  saved_dir=`pwd`

  docmd mkdir -p $1

  build_dir=`cd $1 && pwd`

  src_dir=`cd $2 && pwd`

  docmd cd $build_dir

  docmd $src_dir/configure

#   docmd cmake $src_dir

  docmd make

  docmd rm -rf $tmpdir/_inst

  docmd make install DESTDIR=$tmpdir/_inst

  docmd make uninstall DESTDIR=$tmpdir/_inst

  filesleft=`find $tmpdir/_inst -type f | grep -v share/mime | grep -v share/icons/hicolor/icon-theme.cache`

  if [ ! -z "$filesleft" ]; then

    error "files left after make clean: $filesleft"

  fi

  if [ $src_dir != $build_dir ]; then

    docmd make package_source

    docmd $unpack $tarball

    docmd diff -r $package $src_dir

  fi

  docmd rm -rf $tmpdir/_inst

  docmd cd $saved_dir

}

echo "++ Checking out-of-tree build"

check_build build $package

echo "++ Checking in-tree build"

check_build $package $package

echo "++ Good! Archive ready for distribution: $tarball"