做個(gè)筆記也方便別人搜索
轉(zhuǎn)自 http://blog.csdn.net/woainiliuwei007/article/details/51993495
最近更新了cocoapods之后出現(xiàn)了Undefined symbols for architecture arm64:
"OBJC_CLASS$_FBSession", referenced from: someFile
ld: symbol(s) not found for architecture arm64
找了半天原因沒有找到改橘,在網(wǎng)上搜索也無果,最后發(fā)現(xiàn)是由于之前的三方類庫編譯文件已存在,導(dǎo)致更新的類庫無法編譯,才造成arm64這個(gè)錯(cuò)誤出現(xiàn),只需要在libPods-xxxx.a點(diǎn)Show in Finder,將Products目錄下文件全部清空烦周,重新編譯就好了