[Qt-creator] compiling error

[Breno Carneiro Pinheiro]

Hi all, I 'm completely newbie here. I 'd like to run a simple app but I got
some (it seems to be) popular error.

 /usr/lib/libQtGui.so: undefined reference to `operator
delete(void*)@GLIBCXX_3.4'

/usr/lib/libQtGui.so: undefined reference to `vtable for
__cxxabiv1::__si_class_type_info at CXXABI_1.3'

/usr/lib/libQtGui.so: undefined reference to `operator
delete[](void*)@GLIBCXX_3.4'

/usr/lib/libQtGui.so: undefined reference to `operator new(unsigned
int)@GLIBCXX_3.4'

/usr/lib/libQtGui.so: undefined reference to `vtable for
__cxxabiv1::__vmi_class_type_info at CXXABI_1.3'

/usr/lib/libQtGui.so: undefined reference to `__cxa_pure_virtual at CXXABI_1.3'

/usr/lib/libQtGui.so: undefined reference to `vtable for
__cxxabiv1::__class_type_info at CXXABI_1.3'

/usr/lib/libQtGui.so: undefined reference to `__cxa_guard_release at CXXABI_1.3
'

/usr/lib/libQtGui.so: undefined reference to `operator new[](unsigned
int)@GLIBCXX_3.4'

collect2: ld returned 1 exit status

make: *** [HelloWorld] Error 1


I'd like to get some help about it.

I'm using gcc/g++ 4.2.

Thanks in advance.
-- 
Breno Carneiro Pinheiro
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