https://github.com/termux/termux-packages/issues/15852
--- a/lib/strerror_r.c
+++ b/lib/strerror_r.c
@@ -23,6 +23,9 @@
#define _NETBSD_SOURCE 1
/* Specification. */
+#ifdef __ANDROID__
+#undef _GNU_SOURCE
+#endif
#include <string.h>
#include <errno.h>