Re: [Boost-build] Problem with Intel compiler and pch support

Subject: Re: [Boost-build] Problem with Intel compiler and pch support
From: jim_at_[hidden]
Date: 2008-11-06 15:59:37

> On Sunday 26 October 2008 13:19:46 John Maddock wrote:  Vladimir  
> Prus wrote: > >>> * Intel changes the name of the pch file to have a  
> ".pchi" file > >>> extension so dependency checking is broken and  
> the pch gets > >>> regenerated every time bjam is run, which in turn  
> causes the whole > >>> project to rebuild :-( > >> > >> Does adding:  
> > >> > >> type.set-generated-target-suffix PCH : <toolset>intel > >>  
> <target-os>windows : pchi ; > >> > >> to intel-win.jam fixes this  
> problem? > > Almost.... unfortunately it appears that regardless of  
> whatever name you > specify for the pch file Intel appends an "i" to  
> the name, so now it > generates a file with the .pchii extension and  
> so dependency checking still > fails :-( How nice. I presume, next  
> version of compiler is going to just generate a random name :-/ > >  
> >>> * Intel doesn't support the -Yl option, so you get a warning >  
> >>> emitted when building the pch > >> > >> Can you copy-paste the  
> compile-c-c++-pch and compile-c-c++-pch-s > >> actions from msvc.jam  
> to intel-win.jam and remove the -Yl option? > > Hmm, I put those at  
> the end of the intel-win.jam file, and they appear to > not get  
> called as I'm still seeing the warning? > > Ah, adding the  
> get-rspline and compile.c++.pch rules as well does cause the >  
> overrided actions to get called, but with apparently invalid  
> arguments > because the pch file no longer compiles: the generated  
> .cpp file contains > just > #include > > with no file name  
> specified. > > Any ideas? Please try the attached. The reason for  
> the empty file is that those copy-pasted rules also use a local  
> variable in msvc.jam -- .escaped-double-quote -- which was not copy  
> pasted. Yes, I know that this kind of 'inheriting' toolset  
> definitions is a mess. We will do better in Python. - Volodya

You can use /Qpchi- to stop the Intel compiler from adding the "i" to  
the end of the .pch files.