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Modularization

Modularization. Bill Hoffman bill.hoffman@kitware.com. ITK modularization. We are not alone…. Qt modularization effort Boost modularization effort Ryppl. Qt. ExternalProject_add. Module introduced in CMake 2.8

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Modularization

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  1. Modularization Bill Hoffman bill.hoffman@kitware.com ITK modularization

  2. We are not alone… • Qt modularization effort • Boost modularization effort Ryppl

  3. Qt

  4. ExternalProject_add • Module introduced in CMake 2.8 • Allows the download, configure, build and install of software via custom commands • Kitware Source Article: October 2009 • http://www.kitware.com/products/html/BuildingExternalProjectsWithCMake2.8.html • ARL CSE • Avoid the Easter Egg Hunt!

  5. Titan Example Titan Google Protocol buffers VTK Trilinos CLAPCK Qt Curl Boost

  6. Trilinos (Multi-Package Dashboard)http://trilinos-dev.sandia.gov/cdash/index.php Main Project Sub Projects

  7. git sub-modules • http://chrisjean.com/2009/04/20/git-submodules-adding-using-removing-and-updating/

  8. Having our cake and eating too, ITK two ways • itk-complete • All of ITK with git sub-modules for each • For ITK developers • itk-optional • An ExternalProject_add version that checks out each sub-module as needed • For applications using ITK

  9. Module Dependencies • A git sub-module itk-depends • CMake Code for handling module depend information • The depend information for each module • Used by both itk-complete and itk-optional • Exploring ways to keep the depend information on branches in each modules git

  10. Proof of Concept • git clone git://itk.org/itk/itk-complete.git • git clone git://itk.org/itk/itk-optional.git

  11. Allows for Expansion Outside Main Repository • Anyone should be able to create an ITK module, and have it work in this system • Each module should contain • Source • Tests • Depend information • Documentation

  12. Demos • cmake-gui turn on off modules • Load itk-optional in VS

  13. The Hard Part…. • We need to partition ITK

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