[SOLVED] Error on Fetching subirectory eigen3

[Benjamin]

Hi there, can anyone help me with this problem?
My cmake is 3.17.0 and the version of SOFA I am using is V19.12.
VS2019, Windows 7, 64 bits

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Fetching subdirectory eigen3
Pulling …
CMake Error at SofaKernel/SofaFramework/SofaMacros.cmake:244 (message):
Failed to add external repository eigen3.

See logs in E:/UAMA/sofa/src/external_directories/fetched/eigen3/logs.txt
Call Stack (most recent call first):
SofaKernel/SofaFramework/SofaMacros.cmake:261 (sofa_add_generic_external)
extlibs/CMakeLists.txt:15 (sofa_add_subdirectory_external)
————————————————————

An entry called EIGEN3_ROOT has a path, but when I try to set the EIGEN3_INCLUDE_DIR path. There is not any .h file related to EIGEN3 under the same directory. I have also checked previous post https://www.sofa-framework.org/community/forum/topic/cmake-error-in-building-sofa/. But because the versions are different, the EIGEN file can’t be found in extlibs file in the new version anymore.

[Damien Marchal]

Hi Lanandsky,

Last week there was new change in Sofa to stop fetching eigen3 but rely on the use of the one installed on your system. Maybe you could try this option.
This was merged in https://github.com/sofa-framework/sofa/pull/1281
Maybe you should try this version.

Regards,
Damien

[ingmarvoigt]

* I had the same issue with pulling Eigen3, which I solved via git reset --hard and git pull

* for v19.12 Eigen3 is still supposed to be fetched, the change that Damien refers to is on master and only in forthcoming releases. We clarified this in the getting started docs via https://github.com/sofa-framework/doc/issues/34

[Hugo]

Thanks a lot @ingmarvoigt for the details.
Thanks to you guys, I close the topic!

[Author]

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