From 819a4f2e57831b5c53bdca6812b4317fdea92ada Mon Sep 17 00:00:00 2001
From: Bill Hoffman <bill.hoffman@kitware.com>
Date: Thu, 19 Feb 2009 15:24:44 -0500
Subject: [PATCH] ENH: make sure multiple archs are only tested when the work

---
 Tests/BuildDepends/Project/CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Tests/BuildDepends/Project/CMakeLists.txt b/Tests/BuildDepends/Project/CMakeLists.txt
index a8bb445d1..e9d129682 100644
--- a/Tests/BuildDepends/Project/CMakeLists.txt
+++ b/Tests/BuildDepends/Project/CMakeLists.txt
@@ -1,6 +1,12 @@
 cmake_minimum_required(VERSION 2.6)
 project(testRebuild)
-set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
+if(APPLE)
+  # only use multi-arch if the sysroot exists on this machine
+  if(EXISTS "${CMAKE_OSX_SYSROOT}")
+    set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
+  endif(EXISTS "${CMAKE_OSX_SYSROOT}")
+endif(APPLE)
+
 add_library(foo STATIC ${testRebuild_BINARY_DIR}/foo.cxx)
 set_target_properties(foo PROPERTIES OUTPUT_NAME "foolib")
 # Add a generated header that regenerates when the generator is