cannot open fortran module in ubuntu -

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i wring fortran code in linux. module file in *.f90 file. "program main" in *.f90 file. when tried compile code in ubuntu "gfortran main.f90", errors said can't find module file.

program main use module_name

just now, see files compiled alphabetically. if reason, in big trouble. because program has called many subroutines , functions in different f90 files. how resolve problem? thanks.

suppose have file containing main program main.f90 , file containing module mod.f90. correct way compile , generate executable named main be

gfortran mod.f90 main.f90 -o main

you have not specified module file while compiling therefore unable compile


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