Patch-Source: https://github.com/chimera-linux/cports/blob/c5d29e34a6bdd4a320508a8cb092a7444a0fe466/contrib/qemu/patches/liburine.patch

detection of this fails without gnusource
--
--- a/meson.build
+++ b/meson.build
@@ -1004,7 +1004,7 @@
   linux_io_uring = dependency('liburing', version: '>=0.3',
                               required: get_option('linux_io_uring'),
                               method: 'pkg-config')
-  if not cc.links(linux_io_uring_test)
+  if not cc.links(linux_io_uring_test, args: ['-D_GNU_SOURCE'])
     linux_io_uring = not_found
   endif
 endif