Xcode调用旧版本库出现Undefined symbols for architecture x86_64: ld: symbol(s) not found for architecture x86_642022-09-01 08:34:03问题:Undefined symbols for architecture x86_64: ld: symbol(s) not found for architecture x86_64 问题原因:所用的库不支持 X86_64架构 解决方法:在Target —> BuildSetting —> Architectures中修改为$(ARCHS_STANDARD_32_BIT)如下图: 上一篇:LN : leetcode 70 Climbing Stairs下一篇:[LeetCode] 70. Climbing Stairs 爬楼梯