From 2b457f8e5ec2bd38ce5049bd9220d3f37c7fa1ff Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 4 Apr 2016 11:47:46 +0200
Subject: Fix cross-compiling windows version detection

---
 cmake/EigenDetermineOSVersion.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'cmake')

diff --git a/cmake/EigenDetermineOSVersion.cmake b/cmake/EigenDetermineOSVersion.cmake
index 3c48d4c37..9246fa67c 100644
--- a/cmake/EigenDetermineOSVersion.cmake
+++ b/cmake/EigenDetermineOSVersion.cmake
@@ -26,7 +26,7 @@ function(DetermineShortWindowsName WIN_VERSION win_num_version)
 endfunction()
 
 function(DetermineOSVersion OS_VERSION)
-  if (WIN32)
+  if (WIN32 AND CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
     file (TO_NATIVE_PATH "$ENV{COMSPEC}" SHELL)
     exec_program( ${SHELL} ARGS "/c" "ver" OUTPUT_VARIABLE ver_output)
 				
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