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Install standalone version of Crocus

For users who want to couple Crocus with their own surface scheme, instead of downloading the whole project SURFEX-Crocus, you can download only Crocus and its dependencies with the following commands:
In the download directory:

git init 
git config core.sparseCheckout true 
git remote add -f origin ssh://admin097@git.umr-cnrm.fr/git/Surfex_Git2.git -t cen 

Save the attached file "sparse-checkout" in .git/info/
Then
git pull
cd src/EXT_CROCUS
make

CROCUS is ready to use. To test it, an executable "prog" is available after compilation just run it

./prog

For external import in a Fortran surface scheme:
Users should :
  • first compile externalized Crocus as mentioned above
  • In their surface scheme makefile, add option
       - I $SRC_SURFEX/EXT_CROCUS/obj
    

    with setting of SRC_SURFEX variable to the appropriate path.

This way, the Fortran source files of the user's surface scheme can import Crocus by:

 USE MODI_SNOWCRO

For SURFEX developers:

If during development we have to use others files from SURFEX-CROCUS project we add them in .git/info/sparse-checkout then tap

git read-tree -mu HEAD

(!) Be Careful: the modi_* files are not generated automatically, you have to update them when their subroutine are updated in SURFEX source