Undefined symbols for architecture x86_64:
"_MPCreateSemaphore", referenced from:
FX::FXSemaphore::FXSemaphore(int) in FXThread.o
FX::FXSemaphore::FXSemaphore(int) in FXThread.o
"_MPDeleteSemaphore", referenced from:
FX::FXSemaphore::~FXSemaphore() in FXThread.o
FX::FXSemaphore::~FXSemaphore() in FXThread.o
"_MPSignalSemaphore", referenced from:
FX::FXSemaphore::post() in FXThread.o
"_MPWaitOnSemaphore", referenced from:
FX::FXSemaphore::wait() in FXThread.o
FX::FXSemaphore::trywait() in FXThread.o
ld: symbol(s) not found for architecture x86_64
/cc ZHF #45961