[Boost-build] Multi-threading weird behavior using MSVC

From: William Marié (william.marie_at_[hidden])
Date: 2008-07-04 06:32:37

Hi,

There is something i don't understand about the threading using msvc, it
seems that it's not possible to build a single threading target if i use :

using msvc ;

if i don't define it ( and leave boost-build using his default parameters )
everything is ok.

Some examples :

.1 -------------------------
My Jamroot :
     using msvc ;
     use-project /testthreading : testthreading ;
     build-project testthreading ;

My Jamfile
     project 
         : requirements <threading>single ;
     lib testthreading : [ glob *.cpp ] ;

The code above always builds into : debug/threading-multi

.2 -------------------------
My Jamroot :
     #using msvc ;
     use-project /testthreading : testthreading ;
     build-project testthreading ;

My Jamfile
     project 
         : requirements <threading>single ;
     lib testthreading : [ glob *.cpp ] ;

This one is built into : debug

.3 -------------------------
My Jamroot :
     #using msvc ;
     use-project /testthreading : testthreading ;
     build-project testthreading ;

My Jamfile
     project 
         : requirements <threading>multi ;
     lib testthreading : [ glob *.cpp ] ;

This one is built into : debug/threading-multi

???? I don't understand :p
Someone could tell me why it does that and how can i use the "using msvc"
with single threading ?
Thanks

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