macos 使用 install_name_tool 出了什么问题？
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Using install_name_tool what's going wrong?
提问by Thijs Koerselman
I'm trying to change the install path of a dylib after it has been built. I use otool -Lto check what the current path is. And then I do:
我正在尝试在构建 dylib 后更改它的安装路径。我otool -L用来检查当前路径是什么。然后我做：
$ install_name_tool -change /my/current/path/libmine.dylib \
/my/new/path/libmine.dylib libmine.dylib
I don't get an error, but nothing changes. If I check the path again the old one is still there. Also the new path is a lot shorter then the old one, so no problem there, and I think the lib is even compiled with extra flag for more filepath space.
我没有收到错误，但没有任何变化。如果我再次检查路径，旧路径仍然存在。此外，新路径比旧路径短很多，所以没问题，我认为 lib 甚至使用额外标志编译以获得更多文件路径空间。
Any ideas?
有任何想法吗？
回答by JeremyP
The man page for install_name_tool says that -change is for dependencies. You're trying to change the name of the library itself.
install_name_tool 的手册页说 -change 用于依赖项。您正在尝试更改库本身的名称。
Having just experimented, I found I couldn't change the name of a dylib that appears inside the dylib itself but I could change the names of other dependencies.
刚刚试验后，我发现我无法更改出现在 dylib 内部的 dylib 的名称，但我可以更改其他依赖项的名称。
Having experimented more: install_name_tool -id newname filewill do the trick.
进行了更多实验：install_name_tool -id newname file会成功。
