Hi,
the problem with external _DIR variables is that it is in general not
straight-forward to determine the correct runtime path for the external
project (which contains the .dll files).
Only a few projects provide in the <project>Config.cmake file a
"RUNTIME_DIRS" variable pointing to the correct directory. In general,
the _DIR variable can point to a build or install tree, with the
<project>Config.cmake file potentially being located in nested
sub-directories. Previously, we used an ugly heuristic to populate the
PATH variable based on _DIR variables but this became unmanageable and
did not reliably work for all cases anyway.
So currently, we require external users to set the PATH variable
themselves if they use the EXTERNAL_<lib>_DIR variables to inject
third-party dependencies.
The mid-term plan is that you should be able to do a "make install" at
the MITK-superbuild level which could be configured to use the same
CMAKE_INSTALL_PREFIX as your external ITK, VTK, etc. projects. So
*everything* should again end up in a common ${CMAKE_INSTALL_PREFIX}/bin
directory.
Best,
Sascha
On 02/17/2015 12:29 PM, Ingmar Wegner wrote:
Hi MITK community,
I recently updated my mitk fork to the mitk master (#250e22e from 16
Feb 2015) and saw that the build system is currently under refactoring
towards cmake targets, which is very nice by the way.
I am building the mitk project with externally build libraries (ann,
dcmtk, gdcm, itk, vtk, tinyxml) and specify those as
EXTERNAL_${LIB}_DIR which compiles fine.
The paths of these libraries though aren't incorporated into the path
within the StartVS_debug/release.bat scripts.
So the application complains during startup that some modules can't be
loaded (due to the missing path extension).
Is this a bug or will the incorporation of external lib paths be
handled differently in the future?
I wouldn't prefer to copy external libs into
MITK_EXTERNAL_PROJECT_PREFIX which points to the "ep" supfolder in
parallel to MITK-Build.
Is the install script then under heavy development as well?
;) Have a nice day,
Ingmar
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