Be aware that the MAKEFLAGS variable may contain multiple
instances of the --jobserver-auth= option.
Only the last instance is relevant.
Hence this commit makes it so.
With this commit, --jobserver-auth also takes precedence over
--jobserver-fds, even when --jobserver-fds is the last instance
of these flags. This is made intentionally since --jobserver-fds
was an undocumented internal-only flag before --jobserver-auth
made public, according to this announcement^2.
From the GNU make manual^1:
Hence this commit makes it so.
With this commit,
--jobserver-authalso takes precedence over--jobserver-fds, even when--jobserver-fdsis the last instance of these flags. This is made intentionally since--jobserver-fdswas an undocumented internal-only flag before--jobserver-authmade public, according to this announcement^2.fixes #66