--- a/libcperciva/util/setgroups_none.c
+++ b/libcperciva/util/setgroups_none.c
@@ -8,7 +8,7 @@
  * happen before the regular includes, as in some cases we need to define other
  * symbols before including the relevant header.
  */
-#if defined(__linux__)
+#if defined(__linux__) && !defined(__ANDROID__)
 /* setgroups() includes for Linux. */
 #define _BSD_SOURCE 1
 #define _DEFAULT_SOURCE 1
@@ -25,7 +25,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#elif defined(__sun) || defined(__hpux)
+#elif defined(__sun) || defined(__hpux) || defined(__ANDROID__)
 /* setgroups() includes for Solaris. */
 #include <unistd.h>