+Needed by util-linux.
+
+diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/sys/ttydefaults.h ./usr/include/sys/ttydefaults.h
+--- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/sys/ttydefaults.h 2016-06-01 12:53:26.000000000 -0400
++++ ./usr/include/sys/ttydefaults.h 2016-06-22 06:29:26.247578626 -0400
+@@ -46,7 +46,7 @@
+ * Defaults on "first" open.
+ */
+ #define TTYDEF_IFLAG (BRKINT | ICRNL | IMAXBEL | IXON | IXANY)
+-#define TTYDEF_OFLAG (OPOST | ONLCR | OXTABS)
++#define TTYDEF_OFLAG (OPOST | ONLCR | XTABS)
+ #define TTYDEF_LFLAG (ECHO | ICANON | ISIG | IEXTEN | ECHOE|ECHOKE|ECHOCTL)
+ #define TTYDEF_CFLAG (CREAD | CS8 | HUPCL)
+ #define TTYDEF_SPEED (B9600)