-See https://github.com/libffi/libffi/pull/265
-
-diff -u -r ../libffi-60e4250a77eb3fde500bfd68ec40519fe34b21bd/configure.ac ./configure.ac
---- ../libffi-60e4250a77eb3fde500bfd68ec40519fe34b21bd/configure.ac 2016-09-04 09:34:18.000000000 -0400
-+++ ./configure.ac 2016-09-14 06:43:08.916379800 -0400
-@@ -197,7 +197,7 @@
- [Cannot use PROT_EXEC on this target, so, we revert to
- alternative means])
- ;;
-- *-apple-darwin* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*)
-+ *-apple-darwin* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris* | *-linux-android*)
- AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
- [Cannot use malloc on this target, so, we revert to
- alternative means])