Re: [Boost-build] use property-set as a normal rule argument

From: Vladimir Prus (ghost_at_[hidden])
Date: 2008-07-02 07:31:30

On Wednesday 02 July 2008 12:40:06 Rabbit Red wrote:
> Hi,
> 
> I'm trying to find a way to use build options in a rule.
> This is my Jamfile for the Boost library:
> # Boost 1.35
> # /3rd-party/boost/Jamfile
> 
> rule boostlib ( name : property-set ) {
>         # path
>         local libpath = "lib" ;
> 
>         # library
>         local prefix = "boost_" ;
>         local libname = $(name) ;
> 
>         if [ $(property-set).get <toolset> ] = gcc {
>                 libname = $(libname)"-gcc" ;
> 
>                 # TODO: check for GCC version
>                 # <toolset-gcc:version>
>         }
> 
>         # threading tag
>         if [ $(property-set).get <threading> ] = multi {
>                 libname = $(libname)"-mt" ;
>         }
> 
>         # variant tag
>         if [ $(property-set).get <variant> ] = debug {
>                 libname = $(libname)"-d" ;
>         }
> 
>         # add lib to project
>         lib $(name) : : $(prefix)$(libname) <search>$(libpath) ;
> }

Please check the contrib/boost.jam file in SVN trunk, it's supposed to
do all of this already.

> 
> project boost
>         : requirements
>                 <include>"include"
>         : usage-requirements
>                 <include>"include"
>         ;
> 
> # only include headers
> alias headers : : : : ;
> 
> # link libraries
> boostlib regex ;
> 
> 
> bjam's output:
> ../../3rd-party/boost/Jamfile:44: in modules.load
> *** argument error
> * rule boostlib ( name : property-set )
> * called with: ( regex )
> * missing argument property-set
> ../../3rd-party/boost/Jamfile:6:see definition of rule 'boostlib' being
> called

And what's your question? You pass one argument to a function with two parameters,
so naturally you get an error.

- Volodya