12:30:29: Running steps for project test01...
12:30:29: Starting: "/usr/bin/make" clean -w
make: Entering directory `/Users/Qt/program/test01'
rm -f main.o
rm -f *~ core *.core
make: Leaving directory `/Users/Qt/program/test01'
12:30:29: The process "/usr/bin/make" exited normally.
12:30:29: Configuration unchanged, skipping qmake step.
12:30:29: Starting: "/usr/bin/make" -w
make: Entering directory `/Users/Qt/program/test01'
clang++ -c -pipe -mmacosx-version-min=10.6 -stdlib=libc++ -mmacosx-version-min=10.7 -O2 -std=c++11 -Wall -W -fPIE  -I../../../yyyy/Qt5.0.1/5.0.1/clang_64/mkspecs/macx-clang -I. -o main.o main.cpp
clang++ -headerpad_max_install_names -mmacosx-version-min=10.6 -o test01 main.o
Undefined symbols for architecture x86_64:
  "std::__1::locale::use_facet(std::__1::locale::id&) const", referenced from:
      _main in main.o
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::ios_base::getloc() const", referenced from:
      _main in main.o
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::put(char)", referenced from:
      _main in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::flush()", referenced from:
      _main in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::sentry::sentry(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)", referenced from:
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::sentry::~sentry()", referenced from:
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(double)", referenced from:
      _main in main.o
  "std::__1::basic_ostream<char, std::__1::char_traits<char> >::operator<<(int)", referenced from:
      _main in main.o
  "std::__1::cout", referenced from:
      _main in main.o
  "std::__1::ctype<char>::id", referenced from:
      _main in main.o
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::locale::~locale()", referenced from:
      _main in main.o
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::ios_base::__set_badbit_and_consider_rethrow()", referenced from:
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
  "std::__1::ios_base::clear(unsigned int)", referenced from:
      std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::operator<<<std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*) in main.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [test01] Error 1
make: Leaving directory `/Users/Qt/program/test01'
12:30:29: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project test01 (kit: Desktop Qt 5.0.1 clang 64bit)
When executing step 'Make'