On 02/17/18 01:42, Jan Beich wrote:
Hans Petter Selasky <hsela...@freebsd.org> writes:
Author: hselasky
Date: Fri Feb 16 15:20:21 2018
New Revision: 329371
URL: https://svnweb.freebsd.org/changeset/base/329371
Log:
Allow the cmpxchg() macro in the LinuxKPI to work on pointers without
generating compiler warnings, -Wint-conversion .
[...]
To generate errors instead ?
$ make clean all -C /usr/ports/graphics/drm-next-kmod
[...]
drm_lock.c:72:10: error: flexible array member 'u8' in a union is not allowed
prev = cmpxchg(lock, old, new);
^
I believe this is a regression issue in GCC:
https://gcc.gnu.org/ml/gcc-patches/2016-07/msg01505.html
--HPS
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