def _check_dependencies(self):
    if (self.settings.os == 'Linux'):
        self._check_pkg_config(self.options.jack, 'jack')
        self._check_pkg_config(self.options.esd, 'esound')
        self._check_pkg_config(self.options.wayland, 'wayland-client')
        self._check_pkg_config(self.options.wayland, 'wayland-protocols')
        self._check_pkg_config(self.options.directfb, 'directfb')
def _check_dependencies(self):
    if (self.settings.os == 'Linux'):
        self._check_pkg_config(self.options.jack, 'jack')
        self._check_pkg_config(self.options.esd, 'esound')
        self._check_pkg_config(self.options.wayland, 'wayland-client')
        self._check_pkg_config(self.options.wayland, 'wayland-protocols')
        self._check_pkg_config(self.options.directfb, 'directfb')