a question about macro __GNUC__

Ian Lance Taylor iant@google.com
Wed Sep 19 18:04:00 GMT 2007

"Lu Fan" <carboy.lu@gmail.com> writes:

> where is the Macro __GNUC__ defined ?
> I search it in the whole gcc source code ,but I can't find out.

It's defined in gcc/c-cppbuiltin.c, in the function define__GNUC__.


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