Compiling file with subroutines using gfortran

[Hans Lonsdale via Gcc-help <gcc-help@xxxxxxxxxxx>]

I want to compile a file containing a number of subroutines.

I am using the command

gfortran -O3 -ffree-form -o myfile.f

But getting problems with recursive and END PROGRAM statement.

All I want is making the object file.

44 | recursive subroutine quicksort (array)
      | 1
Error: Unclassifiable statement at (1)
myfile.f:112:3:

  112 | end subroutine quicksort
      |   1
Error: Expecting END PROGRAM statement at (1)
myfile.f:122:35:

Have done

gfortran -O3 -ffree-form -o myfile.f

The command is supposed to make the object file, but I get errors with END PROGRAM declaration.


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