+See the git log for details at http://github.com/atgreen/libffi.
+
+3.1 May-19-14
+ Add AArch64 (ARM64) iOS support.
+ Add Nios II support.
+ Add m88k and DEC VAX support.
+ Add support for stdcall, thiscall, and fastcall on non-Windows
+ 32-bit x86 targets such as Linux.
+ Various Android, MIPS N32, x86, FreeBSD and UltraSPARC IIi
+ fixes.
+ Make the testsuite more robust: eliminate several spurious
+ failures, and respect the $CC and $CXX environment variables.
+ Archive off the manually maintained ChangeLog in favor of git
+ log.