Merge "Update to v5.18 kernel headers."
diff --git a/libc/Android.bp b/libc/Android.bp
index c8df591..3ee7c0a 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -262,6 +262,8 @@
         "-DTHREAD_SAFE=1",
         // The name of the tm_gmtoff field in our struct tm.
         "-DTM_GMTOFF=tm_gmtoff",
+        // TZDEFAULT is not applicable to Android as there is no one file per time zone mapping
+        "-DTZDEFAULT=NULL",
         // Where we store our tzdata.
         "-DTZDIR=\"/system/usr/share/zoneinfo\"",
         // Include `tzname`, `timezone`, and `daylight` globals.