Qi Zuo <bitsunnyday@xxxxxxxxx> writes: > global? Sorry, I can't get the meaning. Would you explain it further? > Thanks a million! > > 2011/4/19 Jonathan Wakely <jwakely.gcc@xxxxxxxxx>: >> On 19 April 2011 14:21, Ian Lance Taylor Âwrote: >>> Qi Zuo <bitsunnyday@xxxxxxxxx> writes: >>> >>>> Following your instruction, I checked the libstdc++.so. But I don't >>>> know whether I've done the right check. >>> >>> It looks right. ÂThis is a strange problem. >> >> Shouldn't this be global? >> >> 000e13e0 b _ZSt4cout Ah, yes, well spotted. A global symbol is visible outside the shared library. A local symbol is not. The lower case 'b' indicates a local symbol. This looks like a problem with the version script used to build the shared library. Do you still have the logs for how libstdc++ was built? Ian