Re: [boost] [predef] Boost build errors using predef-check

Subject: Re: [boost] [predef] Boost build errors using predef-check
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2015-05-04 11:23:47

AMDG

On 05/03/2015 10:42 PM, Edward Diener wrote:
> In my jam file I have:
> 
> import ../../predef/check/predef
>     : check require
>     : predef-check predef-require ;
> 
> and in the requirments section of various Boost Build built-in rules I
> have:
> 
> [ predef-check "BOOST_COMP_GNUC >= 4.3" : <cxxflags>-std=c++0x ]
> 
> When I try to process my jamfile I get numerous warnings along the line of:
> 
>> C:/Programming/VersionControl/modular-boost/libs/vmd/test\../../predef/check/pre
>>
>> def.jam:61: in predef-check
>> warning: object is empty
>> <snip>
> 
> Any ideas of what is wrong ?
> 

The signature of predef.check is

rule check ( expressions + : language ? : true-properties * :
false-properties * )

You're skipping the 'language' argument.
If you leave it blank it defaults to cpp.

The error is on the line:
  local exe_target = [ $(_check_exe_($(language))).name ] ;

In Christ,
Steven Watanabe