[CMake] When should I use add_subdirectory and when ExternalProject?

[David Cole]

The OpenChemistry project ( https://github.com/OpenChemistry/openchemistry ) is a very good example of a SuperBuild project that builds all of its external dependencies via ExternalProject, and then all of its git submodules ("internal dependencies" perhaps ?) also via ExternalProject.

They use CMAKE_PREFIX_PATH both as a place to install all of the built components, and as a place for find_package to find stuff that was built by a previous ExternalProject_Add call.

Study how they do stuff in their CMakeLists files and then get back to us here with more questions.


D


 

 

 

-----Original Message-----
From: Ansis Māliņš <ansis.malins at gmail.com>
To: Kent Williams <nkwmailinglists at gmail.com>
Cc: cmake <cmake at cmake.org>
Sent: Mon, Feb 4, 2013 10:24 am
Subject: Re: [CMake] When should I use add_subdirectory and when ExternalProject?


>SuperBuild pattern
Tell me all about it!

 
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