CMake error (FindLIBIGL) #23
Comments
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When generating a project file using cmake you could specify the path to your libigl include dir. or using CMake GUI you could set the value of As you can see here https://github.com/libigl/libigl-example-project/blob/master/cmake/FindLIBIGL.cmake#L11-L15 CMake checks for a few environment variables. Have set one of them? |
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Specifying the include path worked, thank you. I don't remember having set any of these variables before, could my problem be related to having one of these variables incorrectly set ? |
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Actually I don't think your problem is related. such that your libigl folder is inside the example project? E.g. for $ tree -L 2 libigl-example-project/ you get a similar output: This is one of the locations where libigl is searched: https://github.com/libigl/libigl-example-project/blob/master/cmake/FindLIBIGL.cmake#L11-L15 and it works for me both on macOS and Ubuntu. Glad that you've got it working already :) |
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Yes I've also tried to put the libigl library files right inside my project, but I still get the same CMake Error mentioned above in this thread... That's very curious because it was not the case a few weeks ago. I cannot figure out any change of configuration in my system since the last time I've been working on it. Thanks for the tip anyway! ;) |
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I have to say it is kind of crazy to ask a user to copy a 15+GB thing to a fixed position when it has been installed somewhere else, and furthermore to specify LIBIGL_INCLUDE_DIR when this path is obvious after copying, for an example to be able to build. Good news is that the example finally works for me, but I hope FindLIBIGL.cmake could be more adaptive when doing its job. |
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Hi, I've been struggling with the same issue for hours. I'm using the same FindLIBIGL.cmake file as well, and have tried the solutions mentioned above, but none of them worked. I also tried to set the environment variables (LIBIGL_DIR to the libigl directory) and it's still not working. Do you have any thoughts? Xi |
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@zhfsu why is your libigl folder so large? Do you have many different build folder (e.g. for different configurations)? Then no need to copy them. @cynthiaxw what error message do you get? Have you tried to clone libigl inside libigl-example-project or one level above( |
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Hi Nico,
Thanks for your email. My error looks exactly the same as this. And I also
tried cloning into the parent directory and using environment variables,
none of them worked. They all reported the same message. One thing is that
I'm using libigl as a dependency for another library (gptoolbox) rather
than the ligigl-example-project. I'll try the example project and see if it
works. Thank you :)
Xi
…On Mon, 5 Aug 2019 at 02:57, Nico ***@***.***> wrote:
@zhfsu <https://github.com/zhfsu> why is your libigl folder so large? Do
you have many different build folder (e.g. for different configurations)?
Then no need to copy them.
So if I was a but unclear FindLIBIGL.cmake does lock in a few place by
default see:
https://github.com/libigl/libigl-example-project/blob/master/cmake/FindLIBIGL.cmake#L17-L26
Or if you want to use your version of libigl you can always specify
LIBIGL_INCLUDE_DIR. See my answer above: #23 (comment)
<#23 (comment)>
I'm sorry I still don't get your issue @zhfsu <https://github.com/zhfsu>.
@cynthiaxw <https://github.com/cynthiaxw> what error message do you get?
Does your error message look like this:
CMake Error at /usr/share/cmake-3.13/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
libigl not found --- You can download it using:
git clone --recursive https://github.com/libigl/libigl.git
/home/nico/test/libigl-example-project/../libigl (missing:
LIBIGL_INCLUDE_DIR)
Call Stack (most recent call first):
/usr/share/cmake-3.13/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
cmake/FindLIBIGL.cmake:30 (find_package_handle_standard_args)
CMakeLists.txt:10 (find_package)
Have you tried to clone libigl inside libigl-example-project or one level
above(cd .. the clone)?
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Hi Nico,
Sorry for the spam. The error that you have sent is what I experienced
before cloning the libigl repository. After I cloned it, the error changed
to :
-----------------------------------------------------------------------------
CMake Error at cmake/FindLIBIGL.cmake:36 (include):
include could not find load file:
libigl
Call Stack (most recent call first):
CMakeLists.txt:37 (find_package)
-----------------------------------------------------------------------------
I tested the libigl-example-project and it works well, but it's still not
working in the gptoolbox library (as is shown in the above error message).
Xi
…On Tue, 6 Aug 2019 at 14:58, Xi Wang ***@***.***> wrote:
Hi Nico,
Thanks for your email. My error looks exactly the same as this. And I also
tried cloning into the parent directory and using environment variables,
none of them worked. They all reported the same message. One thing is that
I'm using libigl as a dependency for another library (gptoolbox) rather
than the ligigl-example-project. I'll try the example project and see if it
works. Thank you :)
Xi
On Mon, 5 Aug 2019 at 02:57, Nico ***@***.***> wrote:
> @zhfsu <https://github.com/zhfsu> why is your libigl folder so large? Do
> you have many different build folder (e.g. for different configurations)?
> Then no need to copy them.
> So if I was a but unclear FindLIBIGL.cmake does lock in a few place by
> default see:
>
> https://github.com/libigl/libigl-example-project/blob/master/cmake/FindLIBIGL.cmake#L17-L26
> Or if you want to use your version of libigl you can always specify
> LIBIGL_INCLUDE_DIR. See my answer above: #23 (comment)
> <#23 (comment)>
> I'm sorry I still don't get your issue @zhfsu <https://github.com/zhfsu>.
>
> @cynthiaxw <https://github.com/cynthiaxw> what error message do you get?
> Does your error message look like this:
>
> CMake Error at /usr/share/cmake-3.13/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
>
>
> libigl not found --- You can download it using:
>
> git clone --recursive https://github.com/libigl/libigl.git
> /home/nico/test/libigl-example-project/../libigl (missing:
> LIBIGL_INCLUDE_DIR)
> Call Stack (most recent call first):
> /usr/share/cmake-3.13/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
> cmake/FindLIBIGL.cmake:30 (find_package_handle_standard_args)
> CMakeLists.txt:10 (find_package)
>
>
> Have you tried to clone libigl inside libigl-example-project or one level
> above(cd .. the clone)?
>
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> You are receiving this because you were mentioned.
> Reply to this email directly, view it on GitHub
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Hi Xi, |
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Hi Nico,
I fixed the problem. I just replaced the FindLIBIGL.cmake file in the
gptoolbox with yours and it magically worked. Thanks again for your help :)
Xi
…On Wed, 7 Aug 2019 at 02:33, Nico ***@***.***> wrote:
Hi Xi,
I'm glad that it works at least for the libigl-example-project :)
Your issue seems more related to gptoolbox, so I'm not sure if this is the
right place.
Over at the gptoolbox repo I've only found one outdated issue:
alecjacobson/gptoolbox#76
<alecjacobson/gptoolbox#76>
Did you follow the instructions at
https://github.com/alecjacobson/gptoolbox/blob/master/mex/README.md for
compling the C++ code with a matlab interface?
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I think I have the same problem. I have followed the steps provided CMake Error at cmake/FindLIBIGL.cmake:34 (include): Call Stack (most recent call first): These are the steps I have followed, in case I made something wrong: javspace2@javspace2-pc: Call Stack (most recent call first): -- Configuring incomplete, errors occurred! |
Hello,
I've been using libigl for a few months now (thanks for the tools by the way), and I started my project from this example while hosting it on a Github repo. However, in any project I start from this example now, I get the following error when executing "cmake .." from a "debug" repository inside my project :
I saw from an previous post by Alec Jacobson that it might be due to inappropriately set environment variables, but I do not know anything about how to fix it. My "libigl" directory is at the same location as my project directory. Do you have any idea ?
Thank you very much,
Paul-Elian
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