Re: [Boost-build] How do I specify a path relative to the compiler one?

From: Nicola Musatti (Nicola.Musatti_at_[hidden])
Date: 2007-03-19 18:50:21

Vladimir Prus wrote:
> On Monday 19 March 2007 18:52, David Abrahams wrote:
>> on Fri Mar 02 2007, Nicola Musatti <Nicola.Musatti-AT-gmail.com> wrote:
>>
>>> Hallo,
>>> I'm trying to configure odbc32 as an external library in a Jamfile. This works
>>> fine for those compilers which have it in their default library path; for
>>> Borland I need to specify a location that is relative to where the compiler is
>>> installed. Currently I have it hard-coded as follows:
>>>
>>> lib odbc
>>>     :
>>>     : <name>odbc32
>>>       <toolset>borland:<search>"C:/Program Files/Borland/CBuilder6/Lib/Psdk"
>>>     ;
>>>
>>> However I'd like to refer to the path that's specified in my user-config.jam
>>> file. Is that possible?
>> IIRC there's a way to get your user-config.jam to be treated as a
>> regular Boost.Build module (but I don't remember what it is).  
> 
> There's no way -- user-config.jam is already treated exactly like
> Jamfile, and Jamroot inherit things from user-config.jam.
> 
> Therefore, adding
> 
> 	path-constant WHATEVER : WHATEVER ;
> 
> in user-config.jam will allow one to write
> 
> 	$(WHATEVER)
> 
> in all Jamfiles everywhere.

I see. I had hoped to be able to set up my library's Jamfile so that 
users wouldn't be required to add library specific configuration to 
their user-config.jam, especially since in this case the location of 
odbc32.lib is not arbitrary, but fixed relative to the compiler's path.

Cheers,
Nicola Musatti