Hello!

On Wed, Oct 12, 2016 at 03:58:25PM +0200, Thomas Deutschmann wrote:

> nginx-1.11.5 introduced a new configure option "--with-compat" however
> I don't find any documentation regarding this option.
>
> Could you please give us some insight when you expect that this option
> should be used (especially from distribution view, i.e. package
> maintainer)?

The only documentation currently available is:

$ ./configure --help | grep compat
--with-compat dynamic modules compatibility

Expanding the above, this option enables dynamic modules
compatibility, that is, it ensures that appropriate fields in
structures are present (or appropriately-sized placeholders are
added).

This makes it possible to compile additional dynamic modules with
minimal efforts assuming main nginx binary is compiled
--with-compat. Just

$ ./configure --with-compat --add-dynamic-module=/path/to/module

should be enough to compile a binary compatible module (assuming
the same platform is used for compilation).

From package maintaining point of view it should be a good idea to
add the option to nginx builds. This will allow others to easily
compile dynamic modules to be loaded into nginx shipped in the
package.

--
Maxim Dounin
http://nginx.org/

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