For the default (BR2_SYSTEM_DHCP) /etc/network/interfaces handling.
Both the "big" and busybox ifupdown variants pass the hostname argument to
the DHCP client through the shell, so we can use $() to expand to the
current hostname value.
Notice that this may not be handled by all DHCP clients.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
7a3f85ddff