F:\temp_file\qt\hello>make
make -f Makefile.Debug
make[1]: Entering directory `F:/temp_file/qt/hello'
g++ -mthreads -Wl,-subsystem,windows -o debug\hello.exe debug/hello.o -L"f:\loc
al_file\QT\lib" -lmingw32 -lqtmaind -lQtGuid4 -lQtCored4
f:\local_file\QT\lib/libqtmaind.a(qtmain_win.o): In function `WinMain@16':
c:\iwmake\build_mingw_opensource\src\winmain/qtmain_win.cpp:93: undefined refere
nce to `_Unwind_Resume'
c:\iwmake\build_mingw_opensource\src\winmain/qtmain_win.cpp:135: undefined refer
ence to `_Unwind_Resume'
f:\local_file\QT\lib/libqtmaind.a(qtmain_win.o):c:\iwmake\build_mingw_opensource
\src\winmain/../../include/QtCore/../../src/corelib/tools/qvector.h:512: undefin
ed reference to `_Unwind_Resume'
f:\local_file\QT\lib/libqtmaind.a(qtmain_win.o):c:\iwmake\build_mingw_opensource
\src\winmain/../../include/QtCore/../../src/corelib/tools/qvector.h:513: undefin
ed reference to `_Unwind_Resume'
f:\local_file\QT\lib/libqtmaind.a(qtmain_win.o):qtmain_win.cpp:(.eh_frame+0x12):
undefined reference to `__gxx_personality_v0'
collect2: ld returned 1 exit status
make[1]: *** [debug\hello.exe] Error 1
make[1]: Leaving directory `F:/temp_file/qt/hello'
make: *** [debug] Error 2
------解决方案--------------------
undefined reference to `_Unwind_Resume' 是不少头文件，
------解决方案--------------------
多个gcc版本
那也不会影响编译。。默认都是最高版本的！