meson: build with _ISOC11_SOURCE on OpenBSD

Mesa builds with -std=c99 but uses timespec_get() a c11 function.
Build with _ISOC11_SOURCE for c11 visibility when -std is specified.
On linux c11 visibility comes from defining _GNU_SOURCE.

Fixes: e3a8013de8 ("util/u_queue: add util_queue_fence_wait_timeout")
Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5630>
(cherry picked from commit f9a7e6e854)
This commit is contained in:
Jonathan Gray 2019-12-06 14:30:14 +11:00 committed by Dylan Baker
parent 372f8f5c53
commit 8f4094bb1c
2 changed files with 3 additions and 1 deletions

View file

@ -931,7 +931,7 @@
"description": "meson: build with _ISOC11_SOURCE on OpenBSD",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "e3a8013de8ca854d21225be00f123ccf63f9060f"
},

View file

@ -958,6 +958,8 @@ elif host_machine.system() == 'windows'
else
pre_args += ['-D__MSVCRT_VERSION__=0x0700']
endif
elif host_machine.system() == 'openbsd'
pre_args += '-D_ISOC11_SOURCE'
endif
# Check for generic C arguments