Re: GNU Libtool 1.5.2 released

[Earnie Boyd]

Bob Friesenhahn wrote:
> Autoconf now performs two levels of header tests.  One level is to
> check that the header file exists, while the other is to ensure that
> it can be entirely preprocessed correctly.  Probably /lib/cpp is used
> because it is more work to figure out how to use the compiler as a
> preprocessor.

I thought autoconf already had a macro to test for preprocessor 
invocation through the compiler frontend.  Am I wrong?

Earnie
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