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# Installing dependencies on MacOs #
## MacPorts ##
The only supported way to install LMGC90's prerequisites by the developper teams is to use the [MacPort package manager](https://www.macports.org). There is no need for any other package manager (Homebrew or Anaconda) and installing those should be done only at your own risk and no help can be provided using those.
## Installing ##
Theses instructions has been used to successfully build LMGC90 on an Apple M1 Pro (Macbook Pro) with:
* MacOS Sonoma 14.3
* MacPort 2.9.0
The following instructions were working at the time of writing (spring 2023), and the version number of `gcc`
package as well as python may have to be updated at a later date.
```
sudo port install gcc13 hdf5 +fortran cmake +gui swig-python
sudo port install py311-numpy py311-h5py vtk +python311
sudo port install py311-scipy py311-matplotlib py311-pandas
```
Then you need to set the compiler and python as the default on your system:
```
sudo port select --set python python311
sudo port select --set python3 python311
sudo port select --set gcc mp-gcc13
```
and then download Paraview software from [here](http://www.paraview.org/download)
To build the documentation:
```
sudo port install doxygen graphviz py311-sphinx py311-numpydoc texlive-latex-extra dvipng ImageMagick
sudo port select --set docutils py311-docutils
sudo port select --set pygments py311-pygments
sudo port select --set sphinx py311-sphinx
```
To read tutorials:
```
sudo port install py39-jupyter
sudo port select --set ipython py311-ipython
sudo port select --set ipython3 py311-ipython
```
****
| [back](./Prerequisites) | [next](./Download_and_install) |
|:------------------------|-------------------------------:|
# Installing dependencies on MacOs #
## MacPorts ##
The only supported way to install LMGC90's prerequisites by the developper teams is to use the [MacPort package manager](https://www.macports.org). There is no need for any other package manager (Homebrew or Anaconda) and installing those should be done only at your own risk and no help can be provided using those.
## Installing ##
Theses instructions has been used to successfully build LMGC90 on an Apple M1 Pro (Macbook Pro) with:
* MacOS Sonoma 15.5
* MacPort 2.10.7
The following instructions were working at the time of writing (summer 2025),
and the version number of `gcc` package as well as python may have to be updated at a later date.
```
sudo port install gcc14 hdf5 +fortran cmake +gui swig-python
sudo port install py312-numpy py312-h5py
sudo port install py312-scipy py312-matplotlib py312-pandas
```
Then you need to set the compiler and python as the default on your system:
```
sudo port select --set python python312
sudo port select --set python3 python312
sudo port select --set gcc mp-gcc14
```
It is also recommended to install virtualenvwrapper and to create a environment
for an easy installation of vtk python module:
```
sudo port install py312-virtualenvwrapper
echo "export VIRTUALENVWRAPPER_PYTHON='/opt/local/bin/python3.12'" >> ~/.zprofile
echo "export VIRTUALENVWRAPPER_VIRTUALENV='/opt/local/bin/virtualenv-3.12'" >> ~/.zprofile
echo "export VIRTUALENVWRAPPER_VIRTUALENV_CLONE='/opt/local/bin/virtualenv-clone-3.12'" >> ~/.zprofile
echo "source /opt/local/bin/virtualenvwrapper.sh-3.12" >> ~/.zprofile
source /opt/local/bin/virtualenvwrapper.sh-3.12
mkvirtualenv --system-site-packages lmgc90
python -m pip install vtk
```
and then download Paraview software from [here](http://www.paraview.org/download)
To build the documentation:
```
sudo port install doxygen graphviz py312-sphinx py312-numpydoc texlive-latex-extra dvipng ImageMagick
sudo port select --set docutils py312-docutils
sudo port select --set pygments py312-pygments
sudo port select --set sphinx py312-sphinx
```
To read tutorials:
```
sudo port install py312-jupyter
sudo port select --set ipython py312-ipython
sudo port select --set ipython3 py312-ipython
```
****
| [back](./Prerequisites) | [next](./Download_and_install) |
|:------------------------|-------------------------------:|