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Re: master has switched from Automake to GNU Make

From: Paul Eggert
Subject: Re: master has switched from Automake to GNU Make
Date: Fri, 17 Mar 2017 14:45:47 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 03/17/2017 01:21 PM, Kaushal Modi wrote:

Also I use a wrapper script that does

./autogen.sh all
./configure ..

And it worked just fine.

Do I need the autogen + configure steps for each build?

Not usually, as the resulting Makefile attempts to deduce when it is out-of-date with respect to the inputs to 'autoconf', and it re-runs the equivalent of ./autogen.sh and ./configure when necessary.

That being said, the self-update procedure works only for "minor" changes to the build procedure - which is understandable, as updates cannot possibly work in general due to the procedure's self-referentiality. So when we make "major" changes one sometimes needs to start over from scratch, as in your wrapper script. (Unfortunately, the only definition of "major" is, "you need to start over from scratch".)

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