[PULL 40/58] meson: Use osdep_prefix for strchrnul()

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

From: Akihiko Odaki <akihiko.odaki@daynix.com>

macOS SDK may have the symbol of strchrnul(), but it is actually
available only on macOS 15.4 or later and that fact is codified in
string.h. Include the header file using osdep_prefix to check if the
function is available on the deployment target.

Cc: qemu-stable@nongnu.org
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250424-buildsys-v1-4-97655e3b25d7@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 meson.build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index d93dbde194f..c736a6f4c4b 100644
--- a/meson.build
+++ b/meson.build
@@ -2193,6 +2193,7 @@ osdep_prefix = '''
   #include <stddef.h>
   #include <sys/types.h>
 
+  #include <string.h>
   #include <limits.h>
   /* Put unistd.h before time.h as that triggers localtime_r/gmtime_r
    * function availability on recentish Mingw-w64 platforms. */
@@ -2657,7 +2658,7 @@ config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
 config_host_data.set('HAVE_GLIB_WITH_ALIGNED_ALLOC', glib_has_aligned_alloc)
 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
-config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
+config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul', prefix: osdep_prefix))
 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
 if rbd.found()
   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
-- 
2.47.1