Xcode 4，在构建之前清理？ [英] Xcode 4, clean before build?

问题描述

Xcode 4中是否有一种方法（可能使用方案）指定在执行新构建之前自动完成清理。

Is there a way (possibly using schemes) in Xcode 4 to specify that a clean is automatically done before doing a new build.

我有一个项目有时无法构建，除非我先干净，目前我是手工做的？

I have a project that sometimes fails to build unless I do a clean first, currently I am doing it by hand?

推荐答案

按⌥⌘R，展开所选方案，选择预操作，单击+，选择新建运行脚本操作，将提供构建设置设置为目标。在下面的框中键入 rm -rf $ {BUILT_PRODUCTS_DIR} 。注意：如Xcode对话框中所示，它是BUILT not BUILD。您可以输入 echo $ {BUILT_PRODUCTS_DIR}> 〜/ Desktop / log.txt 查看将要删除的内容。

Press ⌥⌘R, expand the selected scheme, select Pre-actions, click +, select New Run Script Action, set Provide Build Settings from to your target. In the box below type rm -rf ${BUILT_PRODUCTS_DIR}. Note: it is BUILT not BUILD as seen in the Xcode dialog. You can type echo ${BUILT_PRODUCTS_DIR} > ~/Desktop/log.txt to see what's going to be deleted.

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