ModuleNotFoundError: No module named 'ffcx'
-- UFC could not be found. (missing: UFC_INCLUDE_DIRS UFC_VERSION UFC_VERSION_OK UFC_SIGNATURE)
CMake Error at CMakeLists.txt:93 (find_package):
By not providing "FindDOLFINX.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "DOLFINX", but
CMake did not find one.
Could not find a package configuration file provided by "DOLFINX"
(requested version 0.5.1) with any of the following names:
DOLFINXConfig.cmake
dolfinx-config.cmake
Add the installation prefix of "DOLFINX" to CMAKE_PREFIX_PATH or set
"DOLFINX_DIR" to a directory containing one of the above files. If
"DOLFINX" provides a separate development package or SDK, be sure it has
been installed.
-- Configuring incomplete, errors occurred!
```
I am not sure how to proceed further. Many thanks in advance for your help!
Claire
---
### Author:  [@dokken](https://fenicsproject.discourse.group/u/dokken)
#### Post date: [November 9, 2022, 9:31am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/2 "2022-11-09T09:31:43Z")
As the error message states, do you have DOLFINx and FFCx installed on your system?
These are prerequisites for `DOLFINx_mpc`, as stated in: [GitHub - jorgensd/dolfinx\_mpc at dokken/v0.5.1](https://github.com/jorgensd/dolfinx_mpc/tree/dokken/v0.5.1#installation)
The dockerfile is based on the dolfinx docker images, which already has DOLFINx installed.
---
### Author:  [@lclaire](https://fenicsproject.discourse.group/u/lclaire)
#### Post date: [November 9, 2022, 9:54am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/3 "2022-11-09T09:54:00Z")
Thanks for your answer @dokken! I do have dolfinx installed on my computer (using anaconda, I am not sure whether this might be the problem). I don’t know about FFCx, I did not realize this was a requirement. I will look into it!
---
### Author:  [@dokken](https://fenicsproject.discourse.group/u/dokken)
#### Post date: [November 9, 2022, 10:10am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/4 "2022-11-09T10:10:19Z")
FFCx is a requirement of DOLFINx. It does not seem like your cmake picks up the fact that you have installed DOLFINx in the conda enviroment. Could you try calling `python3 -c "import ffcx; print('ffcx. __version__')"` and `python3 -c "import dolfinx; print('dolfinx. __version__')"`
---
### Author:  [@lclaire](https://fenicsproject.discourse.group/u/lclaire)
#### Post date: [November 9, 2022, 10:24am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/5 "2022-11-09T10:24:27Z")
I installed FFCx by running
```auto
pip install fenics-ffcx
```
now cmake yields another error:
```auto
-- Configuring done
CMake Error at CMakeLists.txt:137 (add_library):
Target "dolfinx_mpc" links to target "hdf5::hdf5" but the target was not
found. Perhaps a find_package() call is missing for an IMPORTED target, or
an ALIAS target is missing?
CMake Error at CMakeLists.txt:137 (add_library):
Target "dolfinx_mpc" links to target "hdf5::hdf5" but the target was not
found. Perhaps a find_package() call is missing for an IMPORTED target, or
an ALIAS target is missing?
-- Generating done
CMake Generate step failed. Build files cannot be regenerated correctly.
```
I did define the environment variables as in the dockerfile though
```auto
echo $HDF5_DIR
/usr/local
```
```auto
echo $CC
/home/claire/anaconda3/envs/fenicsx-0.5.1/bin/x86_64-conda-linux-gnu-cc
```
```auto
echo $HDF5_MPI
ON
```
---
### Author:  [@lclaire](https://fenicsproject.discourse.group/u/lclaire)
#### Post date: [November 9, 2022, 10:25am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/6 "2022-11-09T10:25:48Z")
`python3 -c "import ffcx; print('ffcx. __version__')" and python3 -c "import dolfinx; print('dolfinx. __version__')"` returns `ffcx. __version__ `
---
### Author:  [@dokken](https://fenicsproject.discourse.group/u/dokken)
#### Post date: [November 9, 2022, 10:51am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/7 "2022-11-09T10:51:01Z")
Typo on my end, I meant
`python3 -c "import ffcx; print(ffcx. __version__ )"`
`python3 -c "import dolfinx; print(dolfinx. __version__ )"`
---
### Author:  [@lclaire](https://fenicsproject.discourse.group/u/lclaire)
#### Post date: [November 9, 2022, 11:21am UTC](https://fenicsproject.discourse.group/t/problem-with-cmake-when-installing-dolfinx-mpc/9715/8 "2022-11-09T11:21:52Z")
```auto
python3 -c "import ffcx; print(ffcx. __version__ )"
0.5.0
```
```auto
python3 -c "import dolfinx; print(dolfinx. __version__ )"
hwloc/linux: Ignoring PCI device with non-16bit domain.
Pass --enable-32bits-pci-domain to configure to support such devices
(warning: it would break the library ABI, don't enable unless really needed).
0.5.1
```