/tmp/ccAsFmHd.o: In function `main':
Tutorial.cpp:(.text+0x104): undefined reference to `Gosu::Sample::~Sample()'
/tmp/ccAsFmHd.o: In function `GameWindow::update()':
Tutorial.cpp:(.text._ZN10GameWindow6updateEv[GameWindow::update()]+0x40b): undefined reference to `Gosu::Sample::play(double, double, bool) const'
/tmp/ccAsFmHd.o: In function `boost::scoped_ptr<Gosu::Sample>::reset(Gosu::Sample*)':
Tutorial.cpp:(.text._ZN5boost10scoped_ptrIN4Gosu6SampleEE5resetEPS2_[boost::scoped_ptr<Gosu::Sample>::reset(Gosu::Sample*)]+0x32): undefined reference to `Gosu::Sample::~Sample()'
/tmp/ccAsFmHd.o: In function `GameWindow::~GameWindow()':
Tutorial.cpp:(.text._ZN10GameWindowD0Ev[GameWindow::~GameWindow()]+0x4f): undefined reference to `Gosu::Sample::~Sample()'
/tmp/ccAsFmHd.o: In function `GameWindow::~GameWindow()':
Tutorial.cpp:(.text._ZN10GameWindowD1Ev[GameWindow::~GameWindow()]+0x4f): undefined reference to `Gosu::Sample::~Sample()'
/tmp/ccAsFmHd.o: In function `GameWindow::GameWindow()':
Tutorial.cpp:(.text._ZN10GameWindowC1Ev[GameWindow::GameWindow()]+0x263): undefined reference to `Gosu::Sample::Sample(Gosu::Audio&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&)'
Tutorial.cpp:(.text._ZN10GameWindowC1Ev[GameWindow::GameWindow()]+0x293): undefined reference to `Gosu::Sample::~Sample()'
Tutorial.cpp:(.text._ZN10GameWindowC1Ev[GameWindow::GameWindow()]+0x770): undefined reference to `Gosu::Sample::~Sample()'
Tutorial.cpp:(.text._ZN10GameWindowC1Ev[GameWindow::GameWindow()]+0x9ce): undefined reference to `Gosu::Sample::~Sample()'
collect2: ld returned 1 exit status
make: *** [/var/lib/gems/1.8/gems/gosu-0.7.19/linux/../examples/Tutorial] Error 1