架构arm64 xcode 7.3的未定义符号

Question

我创建了一个具有简单数学函数的静态库，并使用它构建了一个通用二进制文件。构建此时，仅将活动体系结构的构建设置为NO。

lipo -info libcheckC.a
Architectures in the fat file: libcheckC.a are: armv7 x86_64 arm64 

我已将此文件添加到另一个项目并验证了该文件 其他链接器标志有-ObjC，-lcheckC，$（继承）

该库也出现在“Build Phases - ＆gt; Link binary with libraries”下。

我创建了桥接头并将头文件添加到我的项目中。

我仍然收到错误

Undefined symbols for architecture arm64:
"_squareOf", referenced from:
      checkCLib.ViewController.calculate (__ObjC.UIButton) -> () in ViewController.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我正在使用Xcode 7.3

当我手动尝试该命令时，我触发了以下内容 - 从Xcode复制并添加-v并从那里更深入。我得到以下细节。

@(#)PROGRAM:ld  PROJECT:ld64-264.3.101
configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 x86_64h armv6m armv7k armv7m armv7em (tvOS)
Library search paths:
/Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/
/Users/test/Documents/MyIApps/checkCLib/checkCLib
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphoneos
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.3.sdk/usr/lib
Framework search paths:
/Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/
/Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Debug-iphoneos
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.3.sdk/System/Library/Frameworks/
Undefined symbols for architecture arm64:
  "_squareOf", referenced from:
  checkCLib.ViewController.calculate (__ObjC.UIButton) -> () in ViewController.o
ld: symbol(s) not found for architecture arm64

该库存在于上述路径中，包含符号并支持该体系结构。

lipo -info /Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/libcheckC.a
Architectures in the fat file: /Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/libcheckC.a are: armv7 x86_64 arm64 

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/nm /Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/libcheckC.a

/Users/test/Library/Developer/Xcode/DerivedData/Build/Products/Release-universal/libcheckC.a(square.o):
0000000000000000 T _sqaureOf

Answer 1

您是否在图书馆搜索路径中添加了库的路径？

Answer 2

在我的情况下，我通过添加.c（代码）文件的include语句而不仅仅是.h（头文件）文件来解决问题。 似乎XCode无法找到该功能。