2010/6/10 lulu he <loloseed@xxxxxxxxx>: > 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?? > I have soft link /usr/local/lib64/libgcc_s.so TO /usr/local/gcc-4.3.3/lib64/libgcc_s.so, and soft link /usr/local/lib64/libstdc++.so TO /usr/local/gcc-4.3.3/lib64/libstdc++.so but error is still reported: /usr/local/lib64/libstdc++.so: undefined reference to '_Unwind_GetIPInfo@xxxxxxxxx'
