From e7acf6176434f7d08138a4bba4478a80e8c6dc57 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Fri, 1 Feb 2019 18:08:26 +0100
Subject: [PATCH] [CMAKE] Define some AMD64 symbols for host tools that match
 what we do for x86.

Fixes widl build.
---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae26227eeb5..756b08f2184 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,6 +84,8 @@ if(NOT CMAKE_CROSSCOMPILING)
     if(MSVC)
         if(ARCH STREQUAL "i386")
             add_definitions(/D_X86_ /D__i386__ /DWIN32 /D_WINDOWS)
+        elseif(ARCH STREQUAL "amd64")
+            add_definitions(-D_AMD64_ -D__x86_64__ /DWIN32 -D_WINDOWS)
         endif()
         if(MSVC_VERSION GREATER 1699)
             add_definitions(/D_ALLOW_KEYWORD_MACROS)