我該如何解決這個valgrind OS X 10.7.4出錯？

我想在OS X 10.7.4中安裝valgrind。我跟着these說明。一切都很好，直到我跑make，這給了我這個錯誤：我該如何解決這個valgrind OS X 10.7.4出錯？

... 
Making all in coregrind 
(cd m_mach && mig /usr/include/mach/mach_vm.defs /usr/include/mach/task.defs /usr/include/mach/thread_act.defs /usr/include/mach/vm_map.defs) 
2012-07-07 20:45:26.771 xcodebuild[82091:70b] [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/DVTFoundation/DVTFoundation-580/Framework/Classes/DeveloperStructure/DVTPlatform.m:430 
Details: The Mac OS X platform is missing - cannot set a default platform. 
Object: <DVTPlatform> 
Method: +loadAllPlatforms 
Thread: <NSThread: 0x40010a220>{name = (null), num = 1} 
Hints: None 
Backtrace: 
    0 0x00000001023d4448 -[DVTAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in DVTFoundation) 
    1 0x00000001023d4304 _DVTAssertionFailureHandler (in DVTFoundation) 
    2 0x00000001023735de +[DVTPlatform loadAllPlatforms] (in DVTFoundation) 
    3 0x000000010255985e IDEInitialize (in IDEFoundation) 
    4 0x00000001028d374c -[Xcode3CommandLineBuildTool run] (in Xcode3Core) 
    5 0x000000010236bd9f (in xcodebuild) 
    6 0x000000010236bc28 (in xcodebuild) 
    7 0x0000000000000005 
/Developer/usr/bin/xcodebuild fails with 6 - Device not configured 
/usr/bin/mig: line 174: : command not found 
mig: fatal: "<no name yet>", line -1: no SubSystem declaration 
make[2]: *** [m_mach/mach_vmUser.c] Error 1 
make[1]: *** [all-recursive] Error 1 
make: *** [all] Error 2

我發現this後暗示，這可能是與Xcode的路徑問題，但路徑似乎是按照如下正確：