On 11/17/2017 03:54 PM, Jonathan Wakely wrote:

Hmm, you're probably right. I'd be tempted to though.

I had an idea.  What about a macro _GLIBCXX_ELLINT_3_POS_NU or something that:

1. would allow users to detect which convention is on by default.

2. They could set or unset to get the other convention.

It's bloody but it would work.  it would prevent users from having to test the compiler version and guess or check the value every time.

I feel that distros are likely to pick up gcc-7 soon and I'd like to do *something*.  This would be something of a transition path.

Ed


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