Re: (ITS#5945) --enable-backends=auto support

[Kurt@OpenLDAP.org]

On Feb 13, 2009, at 5:55 PM, hyc@symas.com wrote:

> quanah@OpenLDAP.org wrote:
>> Full_Name: Quanah Gibson-Mount
>> Version: 2.4.13
>> OS: NA
>> URL: ftp://ftp.openldap.org/incoming/
>> Submission from: (NULL) (75.111.29.239)
>>
>>
>> It would be handy to allow --enable-backends to have auto support  
>> so that all
>> available backends can be selected.  The current behavior is "yes",  
>> which means
>> that if you don't have the requisites for a given backend,  
>> configure stops.
>
> Accommodating this request would make other things much more  
> inconvenient.
>
> Currently the backends and overlay options toggle between "no | yes  
> | mod"
> where "yes" means "yes+static" and "mod" means "yes+dynamic". An  
> "auto" option
> here doesn't allow you to select static vs dynamic.

We could have auto => yes+static and automod => yes+dyanmic.

But that might be too cumbersome as well.

> Adding "auto" would revert
> us back to OpenLDAP 2.0's behavior, where every backend required two  
> enable
> switches "--enable-bdb" and "--enable-bdb-mod=static" (or dynamic)  
> which IMO
> was far too cumbersome.

>
>
> Likewise it would require rewriting most of the backends' detection  
> tests in
> configure.in, which currently use AC_MSG_ERROR when a prereq isn't  
> found. All
> of those would have to be turned into warnings/bailouts in the  
> "auto" case,
> instead of aborting the configure run.

There's still a lot of old auto tests in configure.in, even for new  
things like ndb. :-)

>
>
> IMO, seems like more effort than it's worth.

possibly.

I just noting that for testing, it kind of nice to just be able to do
   ./configure --enable-backends=auto --enable-overlays=auto
   make
   make test

To test everything that available on the box.

>
> -- 
>   -- Howard Chu
>   CTO, Symas Corp.           http://www.symas.com
>   Director, Highland Sun     http://highlandsun.com/hyc/
>   Chief Architect, OpenLDAP  http://www.openldap.org/project/
>
>