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升级到Xcode 15后#xff0c;原先Xcode14可以编译的项目出现大量Duplicate symbols#xff0c;且引用报错指向同一个路径#xff08;一般为Framework#xff09;下的同一个文件。经过查找相关解决#xff0c;可通过添加…https://developer.apple.com/forums/thread/731090
升级到Xcode 15后原先Xcode14可以编译的项目出现大量Duplicate symbols且引用报错指向同一个路径一般为Framework下的同一个文件。经过查找相关解决可通过添加设置改正。
✅解决方案 在Xcode - Target - Build Setting - Other Linker Flags 添加一行-ld64 即可解决该问题
原因
Xcode 15 beta includes a new linker, known as ld_prime. This has a bunch of benefits, not least being the support for mergeable libraries, per WWDC 2023 Session 10268 [Meet mergeable libraries](https://developer.apple.com/videos/play/wwdc2023/10268/). However, any time you rewrite something that complex you inevitably run into the odd issue. Normally I’d suggest you file a bug about this, but we already have a bug report about this one (r. 110340167).In the meantime, you should be able to work around it by reverting to the old linker. The linker has two options, -ld64 and -ld_prime, that override its default algorithm for choosing a back end.
Xcode 15测试版包含一个新的链接器称为ld_prime。根据WWDC 2023 Session 10268 Meet mergeable libraries这有很多好处尤其是支持可合并库。然而每当你重写如此复杂的东西时你不可避免地会遇到奇怪的问题。通常我建议你提交一个关于这个的bug但我们已经有了关于这个bug的报告r.110340167。 同时✅您应该能够通过恢复到旧的链接器来解决它✅。链接器有两个选项-ld64和-ld_prime它们覆盖了用于选择后端的默认算法。
添加设置可以选择使用旧的链接器 而不是默认的新的 -ld_prime 链接器。
⚠️警告 -ld64 is deprecated, use -ld_classic instead 报警告换成下面方案 在Xcode - Target - Build Setting - Other Linker Flags 添加一行-ld_classic 即可解决该问题
