警告:[选项]引导程序类路径未与-source 1.5一起设置 [英] warning: [options] bootstrap class path not set in conjunction with -source 1.5

问题描述

我在构建时收到警告消息！

I get the warning message at Build time!

警告:[选项]引导程序类路径未与结合设置 -source 1.5

warning: [options] bootstrap class path not set in conjunction with -source 1.5

我该如何解决?

推荐答案

来自

要使用JDK N中的javac交叉编译到较旧的平台版本，正确的做法是:

To use javac from JDK N to cross-compiler to an older platform version, the correct practice is to:

• 使用较早的-source设置.
• 设置bootclasspath以针对较旧平台的rt.jar(或等效文件)进行编译.

如果不采取第二步，javac将忠实地使用旧的语言规则和新的库，这可能导致类文件在旧平台上不起作用，因为可以包含对不存在的方法的引用.

If the second step is not taken, javac will dutifully use the old language rules combined with new libraries, which can result in class files that do not work on the older platform since references to non-existent methods can get included.

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