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SubjectRe: support of older compilers
On Thu, 04 Nov 2004 19:36:26 GMT, Ian Hastie said:

> How often is it necessary to do a full rebuild of the kernel? If the
> dependencies in the make system work properly then only the amended parts
> should be recompiled. That'd be a much bigger time saving than just using an
> older compiler.

Touch the wrong .h file, and 95% of the world still gets rebuilt. Similarly,
change the wrong CONFIG_ variable and thus the size/layout of a critical
structure, and watch 95% of the world still get rebuilt.

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