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Re: configure speedup proposal: add --assume-c99 and --assume-posix2008

From: Tim Rice
Subject: Re: configure speedup proposal: add --assume-c99 and --assume-posix2008 flags
Date: Sun, 23 Mar 2014 13:03:34 -0700 (PDT)
User-agent: Alpine 2.11 (UW2 23 2013-08-11)

On Sun, 23 Mar 2014, Bob Friesenhahn wrote:

> On Sun, 23 Mar 2014, John Spencer wrote:
> > having an option like --assume-c99 could provide a shortcut so all checks
> I don't like any approach which hard-codes assumptions in Autoconf. Hard-coded
> assumptions can easily be wrong and configure scripts could be used ten years
> later without being re-generated with the latest rules.

An example is xz-5.0.5. Configure errors out complaining of no c99 compiler
but after fooling configure the package builds fine using a c89 compiler.

Tim Rice                                Multitalents

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