Re: [cctbxbb] forcing building boost_python early in SConscript

My understanding was that all the SConscript files are normally read before anything is built. Does this depart from that model? Nick On Fri, Nov 16, 2018 at 9:58 AM Billy Poon wrote:

Hi Rob,

Are these features required before anything is built? Or are they dependencies for Phaser that get linked during building? Can you send me your SConscript file?

-- Billy K. Poon Research Scientist, Molecular Biophysics and Integrated Bioimaging Lawrence Berkeley National Laboratory 1 Cyclotron Road, M/S 33R0345 Berkeley, CA 94720 Tel: (510) 486-5709 Fax: (510) 486-5909 Web: https://phenix-online.org

On Fri, Nov 16, 2018 at 9:07 AM Robert Oeffner wrote:

...

We are working on a newer version of Phaser. The new SConscript file for Phaser imports features from boost_python. Therefore it is currently not straightforward to build it since an empty build directory does not yet contain the boost_python module to be imported by SConscript (or python). So SCons crashes when it reads the new Phaser SCsonscript stating that boost_python cannot be imported. Currently our workaround is to first build CCTBX alone and then subsequently to build Phaser.

My question is if it is possible to specify dependencies in cctbx_project/boost_adaptbx/SConscript to force building boost_python early on. On Windows boost_thread and a few other libraries are built before other SConscript files are read. So I have put some Depends(boost_thread, boost_python) andDepends(boost_thread, boost_python_meta_ext) statements into cctbx_project/boost_adaptbx/SConscript. These do seem to force building the boost_python.lib and .dll files. But building the boost_python_meta_ext python module fails with the error: boost_adaptbx\meta_ext.cpp(14): fatal error C1083: Cannot open include file: 'boost_adaptbx/type_id_eq.h'

It's possible that I'm not using SCons as it's supposed to be used. Let me know if anyone has a suggestion on how to force building boost_python before other SConscript are read.

Many thanks,

Rob

-- Robert Oeffner, Ph.D. Research Associate, The Read Group Department of Haematology, Cambridge Institute for Medical Research University of Cambridge Cambridge Biomedical Campus Wellcome Trust/MRC Building Hills Road Cambridge CB2 0XY

www.cimr.cam.ac.uk/investigators/read/index.html tel: +44(0)1223 763234

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