Xcode crashes when doing a distributed build

Question

Xcode crashes when attempting to do a distributed build.
UNCAUGHT EXCEPTION (NSInvalidArgumentException): *** -[__NSCFString rangeOfString:options:range:locale:]: nil argument
UserInfo: (null)
Hints: None
Backtrace:
  0  0x00007fff8eaba26a __exceptionPreprocess (in CoreFoundation)
  1  0x00007fff94337d5e objc_exception_throw (in libobjc.A.dylib)
  2  0x00007fff8eaba0ba +[NSException raise:format:arguments:] (in CoreFoundation)
  3  0x00007fff8eaba044 +[NSException raise:format:] (in CoreFoundation)
  4  0x00007fff960efa7d -[NSString rangeOfString:options:range:locale:] (in Foundation)
  5  0x00007fff960ef8ef -[NSString rangeOfString:] (in Foundation)
  6  0x0000000103ef1e02 -[XCDistributedBuildLocalHost sdkVersionForSDKPackage:] (in DevToolsCore)
  7  0x0000000103ea982f -[XCDependencyCommand environment] (in DevToolsCore)
  8  0x0000000103eab221 -[XCDependencyCommand createStartedCommandInvocation] (in DevToolsCore)
  9  0x0000000103f60676 -[Xcode3BuildTask main] (in DevToolsCore)
10  0x00007fff96128788 -[__NSOperationInternal start] (in Foundation)
11  0x00007fff9613b9e6 ____NSOQSchedule_block_invoke_2 (in Foundation)
12  0x00007fff92ea38ba _dispatch_call_block_and_release (in libdispatch.dylib)
13  0x00007fff92ea4799 _dispatch_worker_thread2 (in libdispatch.dylib)
14  0x00007fff92e133da _pthread_wqthread (in libsystem_c.dylib)
15  0x00007fff92e14b85 start_wqthread (in libsystem_c.dylib)
Any suggestions?

Answer 1

Build settings from command line:
    CPLUSPLUS = /Developer/usr/bin/distcc
Some more information when I try to build form the command line...
=== BUILD NATIVE TARGET Client OF PROJECT Client WITH THE DEFAULT CONFIGURATION (Release) ===
Check dependencies
[WARN]Warning: The Copy Bundle Resources build phase contains this target's Info.plist file 'config/Client-Info.plist'.
2011-12-13 16:53:09.175 xcodebuild[23718:4d03]  DVTAssertions: Warning in /SourceCache/IDEXcode3ProjectSupport/IDEXcode3ProjectSupport-934/Xcode3Sources/ XcodeIDE/Frameworks/DevToolsBase/pbxcore/SpecificationTypes/XCCommandLineToolSpe cification.m:828
Details:  Unable to get message category info for tool '/Developer/usr/bin/distcc'.
Reason: distcc[23748] (dcc_get_top_dir) Warning: HOME is not set; can't find distcc directory
distcc[23748] (dcc_lock_one) ERROR: failed to lock
distcc[23748] (dcc_get_top_dir) Warning: HOME is not set; can't find distcc directory
i686-apple-darwin11-llvm-gcc-4.2: no input files
distcc[23748] ERROR: compile (null) on localhost failed
distcc[23748] (dcc_get_top_dir) Warning: HOME is not set; can't find distcc directory
Object:   <XCCompilerSpecificationClang: 0x400dfd140>
Method:   -messageCategoryInfoForExecutablePath:
Thread:   <NSThread: 0x400836660>{name = (null), num = 6}
Please file a bug at http://bugreport.apple.com with this warning message and any useful information you can provide.
cc1plus: error: unrecognized command line option "-Wc++0x-extensions"
cc1plus: error: unrecognized command line option "-Wno-sign-conversion"
cc1plus: error: unrecognized command line option "-fdiagnostics-print-source-range-info"
cc1plus: error: unrecognized command line option "-fdiagnostics-show-category=id"
cc1plus: error: unrecognized command line option "-fdiagnostics-parseable-fixits"
distcc[23744] ERROR: compile (null) on localhost failed
Command /Developer/usr/bin/distcc failed with exit code 1