From 801f23fe517d305f5f38a38d534d2caec09d7ab8 Mon Sep 17 00:00:00 2001
From: Peter Kuemmel <syntheticpp@gmx.net>
Date: Tue, 19 Jun 2012 21:19:29 +0200
Subject: Ninja: dep files and multiple -arch flags not possible on mac

---
 Tests/BuildDepends/Project/CMakeLists.txt | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Tests/BuildDepends/Project/CMakeLists.txt b/Tests/BuildDepends/Project/CMakeLists.txt
index a977884..4a17c43 100644
--- a/Tests/BuildDepends/Project/CMakeLists.txt
+++ b/Tests/BuildDepends/Project/CMakeLists.txt
@@ -18,7 +18,14 @@ endfunction()
 if(APPLE)
   # only use multi-arch if the sysroot exists on this machine
   if(EXISTS "${CMAKE_OSX_SYSROOT}")
-    set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
+    if("${CMAKE_GENERATOR}" MATCHES "Ninja")
+      # c++-4.2: -E, -S, -save-temps and -M options are not
+      #          allowed with multiple -arch flags
+      # but in a ninja build -MMD and -MT is set
+      set(CMAKE_OSX_ARCHITECTURES "i386")
+    else()
+      set(CMAKE_OSX_ARCHITECTURES "ppc;i386")
+    endif()
     test_for_xcode4(is_xcode4)
     if(is_xcode4)
       # Xcode 4, use modern architectures as defaults
-- 
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