[PATCH v2 01/15] meson: Use stddef.h instead of unistd.h

Kostiantyn Kostiuk posted 15 patches 6 days, 1 hour ago
Maintainers: Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Alistair Francis <alistair@alistair23.me>, Peter Maydell <peter.maydell@linaro.org>, Nicholas Piggin <npiggin@gmail.com>, Harsh Prateek Bora <harshpb@linux.ibm.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Chinmay Rath <rathc@linux.ibm.com>, Glenn Miles <milesg@linux.ibm.com>, Palmer Dabbelt <palmer@dabbelt.com>, Weiwei Li <liwei1518@gmail.com>, Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Chao Liu <chao.liu.zevorn@gmail.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Max Filippov <jcmvbkbc@gmail.com>
[PATCH v2 01/15] meson: Use stddef.h instead of unistd.h
Posted by Kostiantyn Kostiuk 6 days, 1 hour ago
POSIX says stddef.h provides size_t, which is the only thing
we care about here. unistd.h can be missing in non-POSIX runtimes,
so include stddef.h instead.

Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
---
 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 6c712f8b0d..1087e8c106 100644
--- a/meson.build
+++ b/meson.build
@@ -1057,7 +1057,7 @@ endif
 
 if not cc.compiles('''
   #include <glib.h>
-  #include <unistd.h>
+  #include <stddef.h>
 
   #define QEMU_BUILD_BUG_ON(x) \
   typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
-- 
2.52.0
Re: [PATCH v2 01/15] meson: Use stddef.h instead of unistd.h
Posted by Peter Maydell 6 days, 1 hour ago
On Fri, 27 Mar 2026 at 13:44, Kostiantyn Kostiuk <kkostiuk@redhat.com> wrote:
>
> POSIX says stddef.h provides size_t, which is the only thing
> we care about here. unistd.h can be missing in non-POSIX runtimes,
> so include stddef.h instead.
>
> Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
> ---

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM