source_file = [ 'tvgJpgLoader.h', 'tvgJpgLoader.cpp', ] jpg_dep = dependency('libturbojpeg', required: false) if not jpg_dep.found() jpg_dep = cc.find_library('turbojpeg', required: false) endif if jpg_dep.found() subloader_dep += [declare_dependency( include_directories : include_directories('.'), dependencies : jpg_dep, sources : source_file )] endif