Comments (14)
This helps me:
mkdir build && cd build
cmake -DGTSAM_USE_SYSTEM_EIGEN=ON ..
sudo make install
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This problem can also rise if you have different Eigen versions on your system. For example I faced this problem when GTSAM used Eigen from /usr/local/include
when I specified -DGTSAM_USE_SYSTEM_EIGEN=ON
, while the other library that I was trying to build used Eigen from /usr/include
.
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The error message gives you the problem: ROS/catkin seems to be using a different version of Eigen than the one you used to compile GTSAM with. You may have to manually specify the Eigen path using cmake during compilation.
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Thanks, what you mean is there are two kinds of eigen in my system? But i already rebuilt them two, why didnt it work?
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There is one version of Eigen that possibly came with ROS or was already on your system, and there seems to be another one, which is most likely what you have installed manually.
This is a support question and not a GTSAM problem. I highly recommend asking this doubt on the Google group.
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Thanks, but i tried. it doesnt work...
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This helps me:
mkdir build && cd build cmake -DGTSAM_USE_SYSTEM_EIGEN=ON .. sudo make install
This solved my problem without changing any of my code
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@hello-sea @TixiaoShan @varunagrawal
Thank you all for the attention, I've found the problem: i was not using the specific version of gtsam you (@TixiaoShan ) mentioned in LeGO-loam. Instead I was using the newest version and after i changed it. It works now.
But it seems that i cannot use this gtsam in other projects. Such like when i add gtsam in the CMakelists and AS LONG AS #include some gtsam headers in my cpp, it goes like "Process finished with exit code 134 (interrupted by signal 6: SIGABRT)" even though i reinstalled it some times. Some headers are fine, but #include <gtsam/slam/BetweenFactor.h> doesnt !
Do you have any ideas about this ? I would be grateful.
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@YangSiri
I am using the latest GTSAM for LeGO-LOAM, it seems to be working fine. Sorry I have no insight for your problem.
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@TixiaoShan
You do ? But i had to download the gtsam you provided. And it would work. Maybe i was wrong. Sorry, But why cant i use it in other projects ? Im really confused.
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@YangSiri
I think something is changed in GTSAM between the alpha version and the current version. Honestly, I don't know the real reason behind this.
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@TixiaoShan
Yes, thank you anyway. I think you had done a great work !
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Hi, @MohamedAfifii thanks
Now this problem is gone somehow. But i cant use gtsam in my own project.
So you were saying we'd better avoid using two different version of Eigen in one project(CMakeList)? There seems to be two version of gtsam, how can i remove it?
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@YangSiri
cat install_manifest.txt | xargs echo sudo rm | sh
Please check if it helps.
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