Re: bison, flex and ./configure

From: salah jubeh <s_jubeh(at)yahoo(dot)com>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: bison, flex and ./configure
Date: 2014-01-28 14:28:09
Message-ID: 1390919289.98578.YahooMailNeo@web164806.mail.gq1.yahoo.com
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>Yes. Bison and flex are not required when building from a source
>tarball, because the tarball includes the generated files. If you're
>building from a git checkout, however, then you need bison and flex. You
>will get an error at make, and IIRC a warning at ./configure

Thanks for the quick reply. For curiosity reasons why the differentiation between tar and git.

Regards

On Tuesday, January 28, 2014 3:18 PM, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> wrote:

On 01/28/2014 04:14 PM, salah jubeh wrote:

> Today, I have noticed that ./configure does not return an error when bison and flex are missing.  Is this intended ?

Yes. Bison and flex are not required when building from a source
tarball, because the tarball includes the generated files. If you're
building from a git checkout, however, then you need bison and flex. You
will get an error at make, and IIRC a warning at ./configure.

- Heikki

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