return envList("PKG_CONFIG", cfg.DefaultPkgConfig)[0]
}

// splitPkgConfigOutput parses the pkg-config output into a slice of flags.
// This implements the shell quoting semantics described in
// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_02,
// except that it does not support parameter or arithmetic expansion or command
// substitution and hard-codes the <blank> delimiters instead of reading them