emiller nginx modules guide

[Sergey Bochenkov]

- HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES ngx_http_..._module"
+ HTTP_AUX_FILTER_MODULES="$HTTP_AUX_FILTER_MODULES ngx_http_..._module"

http://article.gmane.org/gmane.comp.web.nginx.russian/11132

> Hi,
> 
>   I've just started working on a new nginx filter module... Not sure
> if I'll get it finished, but did notice an issue in the emiller guide,
> here: http://emiller.info/nginx-modules-guide.html#compiling
> 
> The issue is simple, but not obvious at first.  The guide provides an
> example addon configuration:
> 
> ngx_addon_name=ngx_http_<your module>_module
> HTTP_MODULES="$HTTP_MODULES ngx_http_<your module>_module"
> NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_<your module>_module.c"
> 
> 
> But, if you're creating a filter module, this will load the addon
> filter too early and it's filter methods will never get called.  It
> needs to be
> 
> ngx_addon_name=ngx_http_<your module>_module
> HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES ngx_http_<your module>_module"
> NGX_ADDON_SRCS="$NGX_ADDON_SRCS $ngx_addon_dir/ngx_http_<your module>_module.c"
> 
> 
> Hope, this is useful to anyone else writing a filter module, thanks
> and hopefully this is the right list for this post.
> 
> Thanks,
> -Todd
> 
>