From: K. Noel Belcourt (kbelco_at_[hidden])
Date: 2007-12-06 00:54:18
I got some libraries that depend on Lapack (optmized math kernels).
On some systems there is no vendor supplied library so I need to
build Lapack from source code, other systems have vendor supplied
libraries I'd like to link against. Here's my problem, I've created
feature lapack : vendor source : propagated ;
When I run bjam, I can select either lapack=vendor or lapack=source
and everything works fine. The only problem is that because the
lapack feature is propagated, an entire new source tree (with lapack-
source) is created when all I really want is to build one library
from source and link it in (i.e. the lapack library doesn't introduce
any kind of link incompatibility). Removing the propagated attribute
clearly won't build the lapack library from source code.
Is there another (combination of) attribute(s) that would propagate
the lapack=source feature to all targets, but not cause any new
directories in the build tree?
[ Here's the lapack jamfile ]
: [ glob lapack/3.0/SRC/*.f
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