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

Subject: Re: [boost] [predef] Boost build errors using predef-check
From: Edward Diener (eldiener_at_[hidden])
Date: 2015-05-04 12:57:17

On 5/4/2015 11:23 AM, Steven Watanabe wrote:
> 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 ] ;

You are correct.

I now tried, for a 'run' rule within an 'alias':

[ run test_after_array_elem.cpp : : : [ predef-check "BOOST_COMP_GNUC" 
 >= 4.3 : : <cxxflags>-std=c++0x ] ]

Only to receive:

Jamfile.v2:52: syntax error at keyword ]