[petsc-users] Errors when changing from ifort to gfortran in cygwin

[TAY wee-beng]

Hi,

I am switching from ifort to gfortran in cygwin. My code compiles with 
ifort and PETSc and now I'm changing to gfortran. However, there are 
lots of error msg.

I understand this is a PETSc mailing list but I hope someone with 
experience in using gfortran can help as well.

I have attached the makefile_debug

The errors are:

Initially using -Wall:

lots of "Warning: Nonconforming tab character at (1)"

Changing to -Werror:

/cygdrive/d/wtay/Lib/MPICH2_cygwin/include/mpif.h:503.7:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petscsys.h:11:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h:6:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h90:5:
     Included at global_cywin.F90:8:

        SAVE /MPIFCMB1/,/MPIFCMB2/
        1
Error: Unclassifiable statement at (1)
/cygdrive/d/wtay/Lib/MPICH2_cygwin/include/mpif.h:504.7:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petscsys.h:11:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h:6:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h90:5:
     Included at global_cywin.F90:8:

        SAVE /MPIFCMB3/,/MPIFCMB4/,/MPIFCMB5/,/MPIFCMB6/
        1
Error: Unclassifiable statement at (1)
/cygdrive/d/wtay/Lib/MPICH2_cygwin/include/mpif.h:505.7:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petscsys.h:11:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h:6:
     Included at 
/cygdrive/d/wtay/Lib/petsc-3.1-p7_gcc_debug/include/finclude/petsc.h90:5:
     Included at global_cywin.F90:8:

        SAVE /MPIFCMB7/,/MPIFCMB8/
        1
Error: Unclassifiable statement at (1)
global_cywin.F90:581.132:

DECIDE,total_k,total_k,5,PETSC_NULL_INTEGER,5,PETSC_NULL_INTEGER,A_mat,ierr
                                                                            1
Error: Syntax error in argument list at (1)
global_cywin.F90:581.132:

DECIDE,total_k,total_k,5,PETSC_NULL_INTEGER,5,PETSC_NULL_INTEGER,A_mat,ierr
                                                                            1
Warning: Line truncated at (1)
global_cywin.F90:1226.132:

OF PNPOLY.RESULTS INVALID')
                                                                            1
Warning: Line truncated at (1)

I tried to shorten parts of the code by adding & but I still get the 
"Error: Unclassifiable statement at (1)"

Anyone have any ideas?

Thanks

Yours sincerely,

TAY wee-beng

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