Hi,
On 2022-11-02 19:57:45 -0400, Tom Lane wrote:
> Andres Freund <and...@anarazel.de> writes:
> > On 2022-11-01 17:00:27 -0400, Peter Eisentraut wrote:
> >> Python has the same issues. There are a few other Python-embedding
> >> projects
> >> that use -Wdeclaration-after-statement and complain if the Python headers
> >> violate it. But it's getting tedious. -isystem would be a better
> >> solution.
>
> > Which dependencies should we convert to -isystem?
>
> Color me confused about what's being discussed here. I see nothing
> in the gcc manual suggesting that -isystem has any effect on warning
> levels?
It's only indirectly explained :(
The -isystem and -idirafter options also mark the directory as a
system directory, so that it gets the same special treatment that is applied to
the standard system directories.
and then https://gcc.gnu.org/onlinedocs/cpp/System-Headers.html
Greetings,
Andres Freund
