When pass option '-h' or '--help' to ifenslave, it calls 'exec man 8
ifenslave' to show help information. But the manual page is missing and
then outputs nothing.
Install the manual page and split it to ifenslave rather than
ifenslave-doc to make option '-h' of ifenslave work.
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
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