--- meson.build	2024-11-23 01:28:55.000000000 +0800
+++ meson.build	2025-02-14 02:50:22.000000000 +0800
@@ -32,6 +32,7 @@
   '-fno-strict-aliasing',
   '-fno-delete-null-pointer-checks',
   '-fdiagnostics-show-option',
+  '-D_DARWIN_C_SOURCE',
 ]
 
 add_project_arguments(cc.get_supported_arguments(warning_c_args + extra_c_args),