'make install' did not install all the headers necessary to use the
library; fix.
Additionally allow specifying the install prefix, which was previously
hardcoded to /usr.
Signed-off-by: Kevin Vigor <kvigor@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Install man pages on running 'make install', so that
we can run commands like 'man 2 io_uring_setup'.
Signed-off-by: Shenghui Wang <shhuiw@foxmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>