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Set your environment

OpenIFS uses software called 'FCM' to handle the compilation of the code. FCM is distributed with OpenIFS in the tarball downloaded from the ftp site.

Before trying to compile OpenIFS, make sure the FCM is added to your PATH environment variable so the fcm command can be found (if you already have fcm available on your system, we still recommend using the version distributed with OpenIFS)

export PATH=$PATH:$HOME/ecmwf/oifs/fcm/bin

Build configuration

This is a brief introduction on compiling the OpenIFS model. For a more detailed description of the build system for OpenIFS and the different ways to configure it, see HowTo customize the OpenIFS build.

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