[Boost-users] program_options bad_any_cast in XCode

Hi, Somehow I keep getting exceptions related to the use of strings when I compile my program in Xcode. If I use strings in my program arguments I get an bad_any_cast exception from the store() method. If I compile the same program from the command line directly it works fine, but I can't seem to figure out what the difference is between the two build commands that is causing this behavior. I compiled the program from the command line like this: g++-4.2 -arch i386 -I/opt/local/include -L/opt/local/lib -lboost_program_options-mt -o waveform_manbuild main.cpp Xcode uses the following: CompileC build/waveform.build/Release/waveform.build/Objects-normal/i386/main.o main.cpp normal i386 c++ com.apple.compilers.gcc.4_2 cd /Users/foo/waveform setenv LANG en_US.US-ASCII /Developer/usr/bin/gcc-4.2 -x c++ -arch i386 -fmessage-length=0 -pipe -Wno-trigraphs -fpascal-strings -fasm-blocks -Os -mdynamic-no-pic -Wreturn-type -Wunused-variable -isysroot /Developer/SDKs/MacOSX10.5.sdk -fvisibility=hidden -fvisibility-inlines-hidden -mmacosx-version-min=10.5 -gdwarf-2 -iquote /Users/foo/waveform/build/waveform.build/Release/waveform.build/waveform-generated-files.hmap -I/Users/foo/waveform/build/waveform.build/Release/waveform.build/waveform-own-target-headers.hmap -I/Users/foo/waveform/build/waveform.build/Release/waveform.build/waveform-all-target-headers.hmap -iquote /Users/foo/waveform/build/waveform.build/Release/waveform.build/waveform-project-headers.hmap -F/Users/foo/waveform/build/Release -I/Users/foo/waveform/build/Release/include -I/opt/local/include -I/Users/foo/waveform/build/waveform.build/Release/waveform.build/DerivedSources/i386 -I/Users/foo/waveform/build/waveform.build/Release/waveform.build/DerivedSources -c /Users/foo/waveform/main.cpp -o /Users/foo/waveform/build/waveform.build/Release/waveform.build/Objects-normal/i386/main.o The (very simple) test program is listed below. I hope someone can spot the problem. It's driving me nuts. Cheers, Thijs PS: I'm using OS10.6.1 and Xcode 3.2.1 #include <iostream> #include #include using namespace std; namespace po = boost::program_options; int main (int ac, char * av[]) { po::options_description desc("Allowed options"); desc.add_options() ("help", "produce help message") ("input-file,i", po::value< vector<string> >(), "input file") ; po::variables_map vm; po::store(po::parse_command_line(ac, av, desc), vm); /// << exception thrown here po::notify(vm); if (vm.count("help")) { cout << desc << "\n"; return 1; } if (vm.count("input-file")) { vector<string> input_files = vm["input-file"].as< vector<string> >(); vector<string>::const_iterator it = input_files.begin(); for(; it!=input_files.end(); ++it) cout<< *it << endl; } else { cout << "No input file(s).\n"; } return 0; }