Re: [boost] [predef] Using predef-require with OR conditions

Subject: Re: [boost] [predef] Using predef-require with OR conditions
From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2015-05-03 21:29:32

On Sun, May 3, 2015 at 4:55 PM, Edward Diener <eldiener_at_[hidden]>
wrote:

> In a jamfile I would like to use predef-require in OR situatuations so
> that if any particular predef-definition is true my unit testing rule
> occurs, else it does not occur:
>
> import ../libs/predef/check/predef : require : predef-require ;
>
> run some_test.cpp : : : BOOST_COMP_SOME_COMPILER >= n.n.n ||
> other_predef_definiion ;
>
> The typical use case for this is to have a unit test for particular
> version(s) of a compiler or for all other versions of other compilers.
>
> Is this possible ?
>

It is possible, and it came up when I first introduced the feature, with
some basic De Morgan's application:

run some_test.cpp : : : [ predef-require "BOOST_COMP_SOME_COMPILER < n.n.n"
"other_predef_def_negated" ] ;

HTH

-- 
-- Rene Rivera
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