Re: b2 headers cache

AMDG

On 10/25/2018 10:25 AM, Edward Diener via Boost-build wrote:
> After moving some headers were moved from parameter to parameter_python
> running 'b2 headers' gives:
> 
> error: Cannot create link boost\parameter\aux_\python\invoker.hpp to
> libs\parameter_python\include\boost\parameter\aux_\python\invoker.hpp.
> error: Link previously defined to another file,
> libs\parameter\include\boost\parameter\aux_\python\invoker.hpp.
> 
> I then precede to delete all symlinks under boost\parameter but running
> 'b2 headers' again gives the same error. This suggests that b2 headers
> is cacheing some previously result somewhere. Is there a fix for this ?
> 

b2 is not caching anything.  The problem is that both
possible link targets exist in your directory structure.

Possible causes:
- You didn't update parameter after adding parameter_python.
- You are on a branch which does not yet have parameter_python,
  but the library was not removed when you switched to that branch.
- You checked out a revision of the superproject which is in
  an inconsistent state.  (because changes that span repositories
  are not atomic).

In Christ,
Steven Watanabe
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