GCC 6 warning fixes

Started by Peter Eisentrautabout 10 years ago4 messageshackers
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#1Peter Eisentraut
peter_e@gmx.net

Here are three patches to fix new warnings in GCC 6.

0001 is apparently a typo.

0002 was just (my?) stupid code to begin with.

0003 is more of a workaround. There could be other ways address this, too.

Attachments:

0001-ecpg-Fix-typo.patchapplication/x-patch; name=0001-ecpg-Fix-typo.patchDownload+4-5
0002-psql-Fix-some-strange-code-in-SQL-help-creation.patchapplication/x-patch; name=0002-psql-Fix-some-strange-code-in-SQL-help-creation.patchDownload+10-11
0003-Suppress-GCC-6-warning-about-self-comparison.patchapplication/x-patch; name=0003-Suppress-GCC-6-warning-about-self-comparison.patchDownload+4-1
#2Thomas Munro
thomas.munro@gmail.com
In reply to: Peter Eisentraut (#1)
Re: GCC 6 warning fixes

On Sat, Feb 20, 2016 at 5:14 PM, Peter Eisentraut <peter_e@gmx.net> wrote:

Here are three patches to fix new warnings in GCC 6.

0001 is apparently a typo.

Right, looks like it. Builds and tests OK with this change (though I
didn't get any warning from GCC6.0.0 -Wall for this one).

0002 was just (my?) stupid code to begin with.

Right, it makes sense to define QL_HELP in just one translation unit
with external linkage. Builds and works fine. I got the 'defined but
not used' warning from GCC6 and it went away with this patch.

0003 is more of a workaround. There could be other ways address this, too.

This way seems fine to me (you probably want the function to continue
to exist rather than, say, becoming a macro evaluating to false on
non-WIN32, if this gets backpatched). I got this warning from GCC6
and it went away with this patch.

--
Thomas Munro
http://www.enterprisedb.com

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#3Robert Haas
robertmhaas@gmail.com
In reply to: Thomas Munro (#2)
Re: GCC 6 warning fixes

On Mon, Feb 29, 2016 at 4:50 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:

On Sat, Feb 20, 2016 at 5:14 PM, Peter Eisentraut <peter_e@gmx.net> wrote:

Here are three patches to fix new warnings in GCC 6.

0001 is apparently a typo.

Right, looks like it. Builds and tests OK with this change (though I
didn't get any warning from GCC6.0.0 -Wall for this one).

0002 was just (my?) stupid code to begin with.

Right, it makes sense to define QL_HELP in just one translation unit
with external linkage. Builds and works fine. I got the 'defined but
not used' warning from GCC6 and it went away with this patch.

0003 is more of a workaround. There could be other ways address this, too.

This way seems fine to me (you probably want the function to continue
to exist rather than, say, becoming a macro evaluating to false on
non-WIN32, if this gets backpatched). I got this warning from GCC6
and it went away with this patch.

Peter, are you going to commit this?

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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#4Peter Eisentraut
peter_e@gmx.net
In reply to: Robert Haas (#3)
Re: GCC 6 warning fixes

On 3/8/16 4:44 PM, Robert Haas wrote:

On Mon, Feb 29, 2016 at 4:50 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:

On Sat, Feb 20, 2016 at 5:14 PM, Peter Eisentraut <peter_e@gmx.net> wrote:

Here are three patches to fix new warnings in GCC 6.

0001 is apparently a typo.

Right, looks like it. Builds and tests OK with this change (though I
didn't get any warning from GCC6.0.0 -Wall for this one).

0002 was just (my?) stupid code to begin with.

Right, it makes sense to define QL_HELP in just one translation unit
with external linkage. Builds and works fine. I got the 'defined but
not used' warning from GCC6 and it went away with this patch.

0003 is more of a workaround. There could be other ways address this, too.

This way seems fine to me (you probably want the function to continue
to exist rather than, say, becoming a macro evaluating to false on
non-WIN32, if this gets backpatched). I got this warning from GCC6
and it went away with this patch.

Peter, are you going to commit this?

done

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