libtool链接具有32位版本的libstdc++。因此，当安装了多个版本的gcc时，在64位目标平台上

First, I'd like to let you know that it is my first post on StackOverflow, so I hope that I won't make a fool of myself by asking a very stupid question. I've been googling about this problem for a few days now, and I couldn't find any answer so far.First, I'd like to let you know that it is my f