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Re: My plans for Bison

From: Paul Eggert
Subject: Re: My plans for Bison
Date: Tue, 12 Feb 2019 11:09:56 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0

On 2/12/19 9:34 AM, Eric S. Raymond wrote:
If you're willing to assume that your target platforms are compliant
with C99 and POSIX-1.2001 this is actually very low-risk.

I agree, and would be happy if Bison assumed that. However, Bison's configure script ports among implementation variants that postdate C99 and POSIX-2001. For example, './configure --enable-gcc-warnings' deduces which GCC warning options your compiler supports, and this set of options differs between GCC 8 and GCC 9, or between GCC and Clang. How would the autoconf cleanup address these post-2001 issues?

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