$ make
makefile:230: INCLUDING FILE Compilers/make_macros.mk WHICH CONTAINS APPLICATION-DEPENDENT MAKE DEFINITIONS
make: Warning: File `Compilers/make_macros.mk' has modification time 1.2 s in the future
cp -f /usr/local/netcdf-3.6.0p1-x86_64/include/netcdf.mod Build
cp -f /usr/local/netcdf-3.6.0p1-x86_64/include/typesizes.mod Build
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IPA: no IPA optimizations for 2 source files
rm -f -r /disk/hq70/zutt/romsm63/Compilers/make_macros.mk
make: warning: Clock skew detected. Your build may be incomplete.
The oceanM can be generated, but dose this warning matter? How to solve this problem? Thanks a lot for your comments!
This warning occurs when there is a clock mismatch between different machines on your network. This could lead to an incomplete build, because of discrepancies in file time stamps. But usually it has no consequences at all.
You should make sure all the machines you are using are synchronised.