Re: [jamboost] Re: msvc-tools.jam needs modification for VC 8.0?

From: Rene Rivera (grafik.list_at_[hidden])
Date: 2004-09-18 18:19:56

tonygeek wrote:

> --- In jamboost_at_[hidden], David Abrahams <dave_at_b...> wrote:
> 
> 
>>Use the "difference" rule to remove the invalid flags. See
>>borland-5.6.4-tools.jam for an example.
> 
> 
> What exactly is the syntax for difference rule? I could not find it 
> in docs from CVS. 
> 
> Based on Borland example I interpreted it as a substitution rule.
> 
> Indeed, lines:
> 
> CFLAGS = [ difference $(CFLAGS) : /Og ] ;
> CFLAGS = [ difference $(CFLAGS) : /Gs ] ;
> 
> remove these two deprecated options and there are no more warnings 
> to the effect.
> 
> However, when I tried: 
> 
> CFLAGS = [ difference $(CFLAGS) : /ML ] /MT ;
> CFLAGS = [ difference $(CFLAGS) : /MLd ] /MTd ;
> 
> to remove options for nonexistent VC8.0 single-threaded library I 
> get both /MT and /MTd concatenated to every compiler command line.

You can't add flags unconditionally like that. Perhaps this is what you 
meant...

## These options not supported.
CFLAGS = [ difference $(CFLAGS) : /ML /MLd ] ;
## Replace by these options.
flags vc8.0 CFLAGS 
<runtime-build>release/<runtime-link>static/<threading>single : /MT ;
flags vc8.0 CFLAGS 
<runtime-build>debug/<runtime-link>static/<threading>single : /MTd ;

** Replacing "vc8.0" with the name of your toolset **

HTH.

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