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5th easybuild hackathon meeting minutes day 1

Kenneth Hoste edited this page · 3 revisions
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5th easybuild hackathon - notes day 2 - notes day 3

presentation: Introduction to EasyBuild

questions

  • using system-provided tools (compiler, MPI, …)
    • hard requirement for e.g. IBM XL compiler, also for Fujitsu, Hitachi, …
    • can be done via a SystemTools easyblock? (not there yet today)
    • implementing compiler support in framework is still required, see easybuild/toolchains/compiler
  • 3 (actually 4?) different types of users:
    • people who simple use 'eb' with existing easyconfig files
    • people who write their own easyconfig files for new software
    • people who implement easy block
    • (people who develop framework)

hackathon: getting started

  • need to fix bootstrap script to work with Tcl environment modules and Lmod !!!

  • Pavel: 'fooling' EasyBuild by providing modules for system-provided tools

    • e.g. build Cube with all reps provided by OS
    • get toolchain module exactly right (deps, conflict line, …), $EBROOTX, …
  • Peter: SSL dep for Python => switch to using OpenSSL sep

    • build Score-P + whole software stack using --robot
  • Markus: making EasyBuild generate hierarchical modules

    • basically just playing around with module name space
    • xx/GCC/4.7, prepends $MODULEPATH with yy/4.7
    • yy/4.7/OpenMPI/1.6.5, prepends $MODULEPATH with zz/1.6.5
    • zz/1.6.5/gzip/1.4, exposed to user as gzip/1.4 :-)
    • prepend $MODULEPATH via modextrapaths, define $MODPREFIX for easy access in module naming scheme?
    • get this documented?
    • support for hierarchical modules in modulecmd.tcl can be provided via self-defined Tcl functions; all modules mustsource these
    • update: see https://github.com/hpcugent/easybuild-framework/issues/862
  • Markus: conflict between toolchain modules (also MPI, maybe compiler/BLAS/LAPACK libs?)

  • Markus: global way of setting opt arch toolchain option to False?

    • a general config option should be available to tweak toolchain options
  • Alexandre: building stat + deps (libddwarf)

  • Jens: implement --track-user (in log, module file, build stats, …)

  • download of MPFR is broken, sources got moved?

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