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[stevepny <>]

I applied the change you suggested. Those functions are defined in the
fortran module 'letkfio'. I've tried different combinations of function
names, as I'm not sure how cmake handles the fortran function calls from
C++. When I compiled from my own make file (without CGAL), I had to use the
format [moduleName]_[functionName]_ for all fortran function calls from C++.
I tried a variety of combinations (seen below), but none of them seem to be
recognized.

[ 33%] Building CXX object CMakeFiles/mom2_elf.dir/local_clib.cpp.o
Linking CXX static library libmom2_elf.a
[ 33%] Built target mom2_elf
[ 66%] Building Fortran object CMakeFiles/mom2_io.dir/letkfio.f90.o
Linking Fortran static library libmom2_io.a
[ 66%] Built target mom2_io
[100%] Building CXX object CMakeFiles/local_clib.dir/local_clib.cpp.o
make[2]: Warning: File `libmom2_elf.a' has modification time 1.8e+02 s in
the future
Linking CXX executable local_clib
CMakeFiles/local_clib.dir/local_clib.cpp.o: In function `main':
local_clib.cpp:(.text+0xb1b): undefined reference to `get_nobs_letkf_'
local_clib.cpp:(.text+0x1323): undefined reference to
`letkfio_read_obs_letkf_'
local_clib.cpp:(.text+0x1f69): undefined reference to `write_obs_letkf'
local_clib.cpp:(.text+0x20f7): undefined reference to `write_obs_letkf'
collect2: ld returned 1 exit status
make[2]: *** [local_clib] Error 1
make[1]: *** [CMakeFiles/local_clib.dir/all] Error 2
make: *** [all] Error 2


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