每个架构标志带有CocoaPods podspec

问题描述

快速版本：我有一个代码库，我正在为其创建Cocoapods规格文件。它需要基于体系结构的不同编译器标志。

QUICK VERSION: I have a library of code that I'm creating a Cocoapods spec file for. It needs different compiler flags based on the architecture. Is that possible?

说明性背景：
库的文件之一包含一些ARM NEON内部函数代码。对于armv7& armv7s的标志是：

Explanatory background: One of the library's files contains some ARM NEON intrinsics code. For armv7 & armv7s the flags are:

s.compiler_flags = '-mfloat-abi=softfp', '-mfpu=neon', '-mcpu=cortex-a9'

最后一个标志在arm64上导致（完全合理的）编译错误。

The last flag causes a (totally reasonable) compile error on arm64.

Xcode在构建设置区域中支持按体系结构标记，因此直到现在需要podspec包装器时，它的构建情况都很好。

Xcode supports per-architecture flags in the Build Settings area, so this has been building fine, until now when a podspec wrapper is required.

是否可以使用每个体系结构标记配置CocoaPods规范？

Is there a way to configure a CocoaPods spec with per-architecture flags?

推荐答案

我通过，可以使用xcconfig ：

One solution, I found via Can you set architecture specific Build Settings in an .xcconfig file in Xcode 4.3?, use xcconfig:

# Common flags
s.compiler_flags = '-mfloat-abi=softfp', '-mfpu=neon'

# Per-arch flags
s.xcconfig = { 'OTHER_CFLAGS[arch=armv7]'  => '$(inherited) -mcpu=cortex-a9' ,
               'OTHER_CFLAGS[arch=armv7s]' => '$(inherited) -mcpu=cortex-a9'}

此处的次要CocoaPods错误，$（继承）标记加倍 Pods.xcconfig中的参数：

Minor CocoaPods bug here, the $(inherited) flag double up the parameters in the Pods.xcconfig:

OTHER_CFLAGS[arch=armv7] = $(inherited) -mcpu=cortex-a9 $(inherited) -mcpu=cortex-a9
OTHER_CFLAGS[arch=armv7s] = $(inherited) -mcpu=cortex-a9 $(inherited) -mcpu=cortex-a9

我想知道是否有更规范的方法可以通过实际的 compiler-flags 标志？

I wonder if there's a more spec-friendly way to do this via the actual compiler-flags flag?

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