+FIXME: Why is this patch needed?
+
+diff -u -r ../gdb-7.12/gdb/common/signals-state-save-restore.c ./gdb/common/signals-state-save-restore.c
+--- ../gdb-7.12/gdb/common/signals-state-save-restore.c 2016-10-07 13:04:17.000000000 -0400
++++ ./gdb/common/signals-state-save-restore.c 2016-10-09 18:39:27.866619885 -0400
+@@ -58,10 +58,12 @@
+ else if (res == -1)
+ perror_with_name (("sigaction"));
+
++#ifndef __ANDROID__
+ /* If we find a custom signal handler already installed, then
+ this function was called too late. */
+ if (oldact->sa_handler != SIG_DFL && oldact->sa_handler != SIG_IGN)
+ internal_error (__FILE__, __LINE__, _("unexpected signal handler"));
++#endif
+ }
+ #endif
+ }