diff -u -r ../postgresql-9.6.2/src/include/pg_config_manual.h ./src/include/pg_config_manual.h
--- ../postgresql-9.6.2/src/include/pg_config_manual.h	2017-02-06 22:45:25.000000000 +0100
+++ ./src/include/pg_config_manual.h	2017-03-05 12:33:31.343900518 +0100
@@ -124,7 +124,7 @@
 /*
  * Define this if your operating system supports link()
  */
-#if !defined(WIN32) && !defined(__CYGWIN__)
+#if !defined(WIN32) && !defined(__CYGWIN__) && !defined(__ANDROID__)
 #define HAVE_WORKING_LINK 1
 #endif
 
@@ -182,7 +182,11 @@
  * here's where to twiddle it.  You can also override this at runtime
  * with the postmaster's -k switch.
  */
-#define DEFAULT_PGSOCKET_DIR  "/tmp"
+#ifdef P_tmpdir
+#define DEFAULT_PGSOCKET_DIR  P_tmpdir
+#else
+#define DEFAULT_PGSOCKET_DIR  "/tmp"
+#endif


 /*
  * This is the default event source for Windows event log.