Re: [Boost-build] [BBV2] Specifying flags for just one compiler

From: Foster Brereton (fosterb.boost_at_[hidden])
Date: 2006-03-09 19:58:52

This is very informative, thanks for the quick reply.

Blessings,
Foster

On 3/9/06, Reece Dunn <msclrhd_at_[hidden]> wrote:
> > In our project we primarily build both Mac OS X (PPC and MacTel) as
> > well as MSVC. In order to accomodate the ability to build native, ppc,
> > i386 or fat binaries for the Mac platform, we added an "arch" flag to
> > the darwin.jam file:
>
> There are already <address-model>, <architecture> and <instruction-set> features in the v2/tools/builtin.jam file.
>
> > feature arch : native ppc i386 fat : composite propagated ; # We don't
> > turn on link-incompatible for now;
>
> <arch>native would map to <address-model>/<architecture>/<instruction-set> (or, more simply, leaving them
> unspecified).
> <arch>ppc ==> <architecture>power
> <arch>i386 ==> <architecture>x86 or <architecture>x86/<instruction-set>i386 if you really want 386 instructions only!
> <arch>fat ==> ????? You'd probably need to add a new <architecture> value, e.g. <architecture>power_x86
>
>  flags darwin.compile OPTIONS <architecture> : -isysroot ;
>  flags darwin.compile OPTIONS <architecture>power_x86 : -arch i386 -arch ppc ;
> flags darwin.compile OPTIONS <architecture>x86 : -arch i386 ;
> flags darwin.compile OPTIONS <architecture>power : -arch ppc -isysroot ;
>  flags darwin.compile OPTIONS  -isysroot /Developer/SDKs/MacOSX10.4u.sdk ;
>
> > Now we can specify the architecture for which we want to build our Mac
> > binaries. There was much rejoicing.
>
> :)
>
> > The problem we are having comes when I now try to build on any other
> > platform that knows nothing about the <arch> flag (MSVC, for example).
>
> But it does know about <architecture> and its ilk. Thus, you can do the following:
>
> bjam msvc-8.0 architecture=x86 # IA32 (i386)
> bjam msvc-8.0 architecture=x86 address-model=64 # AMD64
> bjam msvc-8.0 architecture=ia64 # IA64
>
> and there was much rejoicing :).
>
> NOTE: This may require you having the latest (or a recent) CVS version.
>
> HTH,
> - Reece
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--
Foster T. Brereton - Computer Scientist
Software Technology Lab, Adobe Systems Incorporated
fbrereto_at_[hidden]   --   http://opensource.adobe.com