Leo Izen 5fea5e3e11 configure: rename POSIX ioctl check ...

Commit 00b64fca55 introduced configure
detection for HAVE_POSIX_IOCTL but unfortunately this conflicts with
v4l-utils version 1.30, which itself checks for #ifdef HAVE_POSIX_IOCTL
in a public header and erroneously determines it to be true because we
define this to be 0.

Since this is only used for avdevice/v4l2, we rename this to something
else, namely ioctl_posix, simply to prevent the name conflict with the
file /usr/include/libv4l2.h at least until they can upstream a fix on
their end.

Signed-off-by: Leo Izen <leo.izen@gmail.com>

2025-06-08 19:42:56 -04:00

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