Re: [Boost-build] [boost] [1.35.0] Threads - build failure using gcc on Win XP

From: Roland Schwarz (roland.schwarz_at_[hidden])
Date: 2008-04-23 02:27:19

Vladimir Prus wrote:
> On Wednesday 23 April 2008 02:27:29 Roland Schwarz wrote:
>   
>
> So:
> 1. We codify that the important properties line cygwin/mingw should
> be fixed for a given version configured in user-config.jam, and that
> adding -mno-cygwin by hand is not OK.
>
>   
Not sure what you mean by "properties line", I guess "flavor"? If yes, I 
mean that every
gcc need to get one.
> 2. -mno-cygwin actually changes the output of -dumpmachine?
>
>   
Yes. Output without -mno-cygwin is

i686-pc-cygwin

and with:

i686-pc-mingw32

>> My ideas are like so:
>>
>> 1) Make threadapi an optional feature
>> 2) Change the <conditional> requirement to add a threadapi
>>    only if none specified yet and make it conditioned on
>>    flavor of compiler.
>>     
>
> This seems like a good approach, except that we don't have this
> 'conditional feature as default' thing you appear to suggest above.
> Or I musunderstood, and it's actually doable now?
>
>   
I tried a little yesterday, and it almost works. The only thing I need 
is the change for flavor.
Altough the code does not look obvious, and perhaps can be done better. 
I post to the
list as soon I have something to show.

Roland