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# Linux Scripts
This folder contains a series of scripts to build and deploy MeshLab under a Linux environment (tested on Ubuntu 16.04, 18.04 and 20.04).
* `0_setup_env_ubuntu.sh`: this script installs all the required dependencies that are necessary to build MeshLab in an Ubuntu distro (tested in 16.04, 18.04 and 20.04). If you never installed Qt and other libraries, you should run it before any other script;
* `1_build.sh`: this script builds MeshLab in a Linux environment:
* it requires a properly set Qt environment (see `0_setup_env_ubuntu.sh`);
* takes as arguments:
* the build directory (default: `src/build`): `--build_path=path/to/build`
* the install directory (default: `src/install`): `--install_path=path/to/install`
* the number of cores used to build MeshLab (default: `-j4`)`
* the possibility to build MeshLab with double precision scalar: `--double_precision`
* `2_deploy.sh`: this script makes the given path a portable version of MeshLab. Takes as arguments:
* the path where the output install path of the `1_build.sh` script is placed (default: `src/install`): `--install_path=path/to/install`
* `3_appimage.sh`: this script computes, starting from the portable folder of MeshLab, an [AppImage](https://appimage.org/) that can be run in a Linux Environment without dependencies. Takes as arguments:
* the path where the output install path of the `2_deploy.sh` script is placed (default: `src/install`): `--install_path=path/to/install`
* if MeshLab has been built with double precision scalar, add: `--double_precision`
* `make_it.sh`: this script builds, deploys and generates an [AppImage](https://appimage.org/) that can be run in a Linux Environment without dependencies. Arguments are the same of the `1_build.sh` script.
__NOTE__: `linux_deploy.sh`and `linux_make_it.sh` use [LinuxDeployQt](https://github.com/probonopd/linuxdeployqt), which allows to deploy applications **only running the oldest supported linux distro** (see [this](https://github.com/probonopd/linuxdeployqt/issues/340)) in order to guarantee the largest support possible. Therefore, before running these scripts, be sure that your Linux distribution is the oldest supported one.
## Examples
Building MeshLab on a clean Linux environment (build placed in `meshlab/src/build`):
git clone --recursive https://github.com/cnr-isti-vclab/meshlab
bash meshlab/scripts/Linux/0_setup_env_ubuntu.sh
bash meshlab/scripts/Linux/1_build.sh
Building and generating AppImage on a clean Ubuntu 16.04 (last supported distro) environment:
* build directory: `./meshlab-build`
* install directory: `./meshlab-install`
* AppImage path: `./`
```
git clone --recursive https://github.com/cnr-isti-vclab/meshlab
bash meshlab/scripts/Linux/0_setup_env_ubuntu.sh
bash meshlab/scripts/Linux/make_it.sh --build_path="./meshlab-build" --install_path="./meshlab-install"
```
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