# Conan package manager

### Conan 1.0.0 required

As of OpenGeoSys 6.1.0 Conan version 1.0.0 is required! Please update Conan by running pip install --upgrade conan or by downloading the Windows installer.

The Conan package manager helps to install all required libraries in a convenient way on every platform. See Setup pre-requisites for installation instructions. If the Conan executable is found Conan is used for third-party library handling. Set the CMake option OGS_USE_CONAN=OFF to disable Conan.

Per default when Conan is enabled it will try to fetch prebuilt binaries from the OGS Conan repository at https://ogs.jfrog.io/ogs/api/conan/conan. With the CMake option OGS_CONAN_BUILD you define what gets build locally. This option can be set to:

• missing - Default, only builds packages which are not available as a prebuilt binary for the current configuration
• all - Builds all packages locally
• never - Builds no package locally
• [a list of libraries to build], e.g. "Eigen3;Boost". For names see ConanSetup.cmake. Make sure to set this back to ‘never’ after the libs have been built. Otherwise it would rebuild the libs on the next CMake run.

## Further information

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This article was written by Lars Bilke. If you are missing something or you find an error please let us know. Generated with Hugo 0.53. Last revision: January 10, 2019