Recognize fuchsia os in config.sub

[Doug Evans]

Hi.

This patch adds support for fuchsia.

https://fuchsia.googlesource.com/fuchsia/

2016-11-02  Doug Evans  <address@hidden>

        * config.sub (-fuchsia*): New.
        * testsuite/config-sub.data: Add a test case.

diff --git a/config.sub b/config.sub
index cc69b06..e43153e 100755
--- a/config.sub
+++ b/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2016 Free Software Foundation, Inc.

-timestamp='2016-09-05'
+timestamp='2016-11-02'

 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1407,7 +1407,7 @@ case $os in
              | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
              | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
              | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
-             | -onefs* | -tirtos* | -phoenix*)
+             | -onefs* | -tirtos* | -phoenix* | -fuchsia*)
        # Remember, each alternative MUST END IN *, to match a version number.
                ;;
        -qnx*)
diff --git a/testsuite/config-sub.data b/testsuite/config-sub.data
index 4655e75..9bdbbf5 100644
--- a/testsuite/config-sub.data
+++ b/testsuite/config-sub.data
@@ -507,6 +507,7 @@ we32k                               we32k-unknown-none
 x86_64-cygwin                  x86_64-pc-cygwin
 x86_64-dicos                   x86_64-pc-dicos
 x86_64-ericsson-dicos          x86_64-ericsson-dicos
+x86_64-fuchsia                 x86_64-pc-fuchsia
 x86_64-sortix                  x86_64-pc-sortix
 x86                            x86-unknown-none
 xbox                           i686-pc-mingw32