Re: [PATCH] meson: fix cpuset_getaffinity() detection

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On Tue, Nov 23, 2021 at 03:57:56PM +0400, Roman Bogorodskiy wrote:
The cpuset_getaffinity() function is checked in sys/cpuset.h to see if
BSD CPU affinity APIs are available. This check requires including
sys/param.h to work properly, otherwise the test program fails with
unrelated errors like:

/usr/include/sys/cpuset.h:155:1: error: unknown type name
'__BEGIN_DECLS'
__BEGIN_DECLS
^
/usr/include/sys/cpuset.h:156:12: error: unknown type name 'cpusetid_t';
did you mean 'cpuset_t'?
int     cpuset(cpusetid_t *);

and so forth.

Signed-off-by: Roman Bogorodskiy <bogorodskiy@xxxxxxxxx>

Reviewed-by: Martin Kletzander <mkletzan@xxxxxxxxxx>

---
meson.build | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index e4f36e8574..ad0cd44aca 100644
--- a/meson.build
+++ b/meson.build
@@ -709,7 +709,7 @@ if (cc.has_header_symbol('net/if_bridgevar.h', 'BRDGSFD', prefix: brd_required_h
endif

# Check for BSD CPU affinity availability
-if cc.has_header_symbol('sys/cpuset.h', 'cpuset_getaffinity')
+if cc.has_header_symbol('sys/cpuset.h', 'cpuset_getaffinity', prefix: '#include <sys/param.h>')
  conf.set('WITH_BSD_CPU_AFFINITY', 1)
endif

--
2.33.1

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