[R] compile Fortran code which calls C subroutine

Zhijin Wu zwu at jhsph.edu
Tue Apr 20 17:47:17 CEST 2004

      I used "R CMD SHLIB" to compile the fortran filename.f file and the
    filename.so is generated. But since in filename.f it calls
    another subroutine written in C, i had problem in "dyn.load" because it
    could not find the C subroutine. 
     I have the .c file but don't know how to tell R about it.
      How should I compile when I want to call the fortran function in R 
which  calls (FORTRAN-callable) C-code?
      Thanks a lot!
    best regards,

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