On 3 January 2018 at 00:53, Peter Eisentraut <
peter.eisentr...@2ndquadrant.com> wrote:

> On 12/15/17 06:53, Christoph Berg wrote:
> >> Why reinventing the wheel when there is already --with-extra-version
> >> that you can use for the same purpose?
> > That modifies the PG version number as such, as what psql is showing
> > on connect. I'd think that is too intrusive.
> >
> > And it doesn't work anyway: $ ./configure --with-extra-version ' (Debian
> 10.1-2)'
> > configure: WARNING: you should use --build, --host, --target
> > configure: WARNING: invalid host type:  (Debian 10.1-2)
> > configure: error: argument required for --with-extra-version option
>
> I think --with-extra-version would do exactly the right thing for you:
>
> ./configure --with-extra-version=' (FooNix 1.2.3)'
> make
> make install
>
> $ psql --version
> psql (PostgreSQL) 11devel (FooNix 1.2.3)
>
> $ psql
> psql (11devel (FooNix 1.2.3))
> Type "help" for help.
>
> =# select version();
> PostgreSQL 11devel (FooNix 1.2.3) on ..., compiled by ...
>
> =# show server_version;
> 11devel (FooNix 1.2.3)
>
> =# show server_version_num;
> 110000
>

Last time I tried to actually deploy packages that used
--with-extra-version a variety of tools that talk to postgres broke because
they choked when parsing the version. Including widely used ones like
check_postgres.

These issues are why I've pushed repeatedly to make server_version_num
GUC_REPORT, and expose PG_VERSION_NUM in pg_config, without success. I
still think it needs doing.

-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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