21
#include <boost/thread/thread.hpp>
#include <iostream>
void hello()
{
std::cout <<
"Hello world, I'm a thread!"
<< std::endl;
}
int main(int argc, char* argv[])
{
boost::thread thrd(&hello);
thrd.join();
return 0;
}
Corrí trató de compilar este programa, y se puso estos errores:Boost: undefined referencia
/usr/include/boost/thread/pthread/mutex.hpp:40: undefined reference to
`boost::thread_resource_error::thread_resource_error()'
/usr/include/boost/thread/pthread/mutex.hpp:40: undefined reference to
`boost::thread_resource_error::~thread_resource_error()'
/usr/include/boost/thread/pthread/mutex.hpp:40: undefined reference to
`typeinfo for boost::thread_resource_error'
./src/thread.o: In function `condition_variable':
/usr/include/boost/thread/pthread/condition_variable_fwd.hpp:33:
undefined reference to `boost::thread_resource_error::thread_resource_error()'
/usr/include/boost/thread/pthread/condition_variable_fwd.hpp:33:
undefined reference to `boost::thread_resource_error::~thread_resource_error()'
/usr/include/boost/thread/pthread/condition_variable_fwd.hpp:33: \
undefined reference to `typeinfo for boost::thread_resource_error'
./src/thread.o: In function `thread_data_base':
/usr/include/boost/thread/pthread/thread_data.hpp:54:
undefined reference to `vtable for boost::detail::thread_data_base'
./src/thread.o: In function `thread<void (*)()>':
/usr/include/boost/thread/detail/thread.hpp:188:
undefined reference to `boost::thread::start_thread()'
./src/thread.o: In function `~thread_data':
/usr/include/boost/thread/detail/thread.hpp:40:
undefined reference to `boost::detail::thread_data_base::~thread_data_base()'
/usr/include/boost/thread/detail/thread.hpp:40: undefined reference to
`boost::detail::thread_data_base::~thread_data_base()'
¿Puede alguien decirme por qué estoy recibiendo este error?
Suena como impulso no está instalado correctamente en su sistema – riwalk
pero mi '# include # include #include using namespace std; usando impulso de espacio de nombres; int main() {str1 \t cadena; \t cin >> str1; \t // string str1 ("hello world!"); \t to_upper (str1); \t cout << str1; return 0; } 'corre perfecta –
lal
lo encontré i necesidad de instalar el paquete libboost-hilo en ubuntu – lal