Merge pull request #3316 from bwbarrett/v1.10

build: Fix platform detection on FreeBSD

Author: Ralph Castain

LICENSE

@@ -44,6 +44,8 @@ Copyright (c) 2010      ARM ltd.  All rights reserved.
 Copyright (c) 2010-2011 Alex Brick <[email protected]>.  All rights reserved.
 Copyright (c) 2013-2014 Intel, Inc. All rights reserved.
 Copyright (c) 2011-2014 NVIDIA Corporation.  All rights reserved.
+Copyright (c) 2017      Amazon.com, Inc. or its affiliates.  All Rights
+                        reserved.
 
 $COPYRIGHT$
 

config/opal_config_asm.m4

@@ -11,6 +11,8 @@ dnl Copyright (c) 2004-2005 The Regents of the University of California.
 dnl                         All rights reserved.
 dnl Copyright (c) 2008-2015 Cisco Systems, Inc.  All rights reserved.
 dnl Copyright (c) 2010      Oracle and/or its affiliates.  All rights reserved.
+dnl Copyright (c) 2017      Amazon.com, Inc. or its affiliates.  All Rights
+dnl                         reserved.
 dnl $COPYRIGHT$
 dnl 
 dnl Additional copyrights may follow
@@ -795,7 +797,7 @@ AC_DEFUN([OPAL_CONFIG_ASM],[
         OMPI_GCC_INLINE_ASSIGN=""
         OPAL_ASM_SUPPORT_64BIT=0
         case "${host}" in
-        i?86-*|x86_64*)
+        i?86-*|x86_64*|amd64*)
             if test "$ac_cv_sizeof_long" = "4" ; then
                 ompi_cv_asm_arch="IA32"
             else