https://github.com/termux/termux-packages/issues/15852

--- a/configure.ac
+++ b/configure.ac
@@ -112,7 +112,7 @@
       #include <time.h>
     ], [
       struct tm tm;
-      tm.tm_zone = 1;
+      tm.tm_zone = "1";
     ])],
     [ac_cv_struct_tm_zone=yes],
     [ac_cv_struct_tm_zone=no]