Re: [Boost-build] Newbie question to make rule

Subject: Re: [Boost-build] Newbie question to make rule
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-06-18 17:31:13

AMDG

Piotr Jachowicz wrote:
>> Piotr Jachowicz wrote:
>>     
>>> make schemagen.sch : schemagen.imp : @schemagen ;
>> What about:
>>
>> actions schemagen
>> {
>>    cd $(>:D)
>>    schemagen $(>:D=)
>> }
>>     
>
> Thank you, it works perfectly fine.
>
> Can I have subsequent question? Why bjam keep regenerating schema.cxx
> even if schema.imp did not change? And how to stop it?
>   

The problem is that Boost.Build thinks that it's building a file
called schemagen.sch.  Try either adding
    touch $(<)
to actually create this file, or change the target to
make schema.cxx : ... ;

In Christ,
Steven Watanabe