add pkg-config descriptor file
Create/install a pkgconfig descriptor (.pc file), so that other packages can easily find us.
Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net
Create/install a pkgconfig descriptor (.pc file), so that other packages can easily find us.
Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net