The following patch should be applied.

--- ./include/c.h.orig      2026-03-06 03:44:02.168604860 +0900
+++ ./include/c.h       2026-03-25 08:15:22.273682919 +0900
@@ -38,7 +38,7 @@
 # define NAME_MAX PATH_MAX
 #endif

-#ifndef HAVE_SYS_AUXV_H
+#ifdef HAVE_SYS_AUXV_H
 # include <sys/auxv.h>
 #endif