[Darwin, configure] Allow configure to work for <arch>-*-darwin. The exec configury is appropriate for all current targets (including using older tools on them).
diff --git a/configure.ac b/configure.ac
index 9483b28..e49a788 100644
--- a/configure.ac
+++ b/configure.ac
@@ -197,7 +197,7 @@ case "$target" in
[Cannot use PROT_EXEC on this target, so, we revert to
alternative means])
;;
- *-apple-darwin1* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*)
+ *-apple-darwin* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*)
AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
[Cannot use malloc on this target, so, we revert to
alternative means])