On Tue, Mar 23, 2021 at 12:38 AM Ryan Schmidt <[email protected]> wrote: > > On Mar 22, 2021, at 17:56, Jeffrey Walton wrote: > > > It looks like this is an Autotools problem. Autotools should test if > > ccp works as expected, and avoid cpp if it does not. Autotools should > > not break the build. > > > > Perl works around Apple's cpp: > > https://github.com/Perl/perl5/blob/blead/hints/darwin.sh#L131. > > You're referring to the part of their code that adds -no-cpp-precomp if the > compiler accepts it? The last version of Apple gcc that did anything in > response to -no-cpp-precomp was Apple gcc 3.1. Apple gcc 3.3 and later do > nothing in response to -no-cpp-precomp. That flag is ancient history. > Actually I was talking about the comment that says, " Avoid Apple's cpp precompiler".
Jeff
