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If you just want to compile a routine without creating the executable (to save time) you can just compile a routine, for example utils/sfclayer_mod.F90 with:
cd .../build/src/rpnphy
make utils/sfclayer_mod.F90.o
5) Use your executable
To use your own executable set 'GEM_ovbin' in your 'configexp.cfg' to the path of your executable directory, up until but excluding the 'gem' directory. For example:
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