dep_pciaccess = dependency('pciaccess', version : '>= 0.10', required : with_intel)
dep_cunit = dependency('cunit', version : '>= 2.1', required : false)
-dep_json = dependency('json-c', version : '>= 0.10.1', required : false)
_cairo_tests = get_option('cairo-tests')
if _cairo_tests != 'false'
dep_cairo = dependency('cairo', required : _cairo_tests == 'true')