diff -uNr rsync-3.1.3/configure.sh rsync-3.1.3.mod/configure.sh
--- rsync-3.1.3/configure.sh	2020-08-07 03:48:27.000000000 +0000
+++ rsync-3.1.3.mod/configure.sh	2021-04-11 01:45:27.000000000 +0000
@@ -5420,7 +5420,7 @@
 /* end confdefs.h.  */
 
 #include <features.h>
-#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+#if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(__ANDROID__)
 yes
 #endif
 _ACEOF