2010/6/9 Ian Lance Taylor <iant@xxxxxxxxxx>: > lulu he <loloseed@xxxxxxxxx> writes: > >> I made a mistake, The error message is : >> /usr/local/lib64/libstdc++.so: undefined reference to >> '_Unwind_GetIPInfo@xxxxxxxxx' >> >> and I soft link /usr/local/lib64/libstdc++.so TO >> /usr/local/gcc43/lib64/libstdc++.so, >> so it gcc43 is using the libstdc++.so in gcc43/lib64. >> ... > > Please reply to the mailing list, not just to me. > > The symbol Unwind_GetIPInfo@xxxxxxxxx should be defined in > libgcc_s.so. Perhaps you are somehow picking up the wrong version of > that library. > > Ian > Hi, lan That's right. g++ search .so in the /usr/local/lib64, instead of ..../gcc-4.3.3/lib64 , So I soft link all the .so in the /usr/local/lib64 TO ..../gcc-4.3.3/lib64 , and "g++ -o hello hello.cpp" works right now. What an awkward method! I have to soft link /usr/local/lib64/*.so back again if I wanna use another gcc version! Do u have another better solution to tell gcc search to search "..../gcc-4.3.3/lib64" directory by a global setting, not by "-L" option??
