gfortran ambiguous reference compilation error

[sankaras]

Hello,

I get the following compilation error, while trying to compile ROMS on a 64 bit linux using gfortran.

Any ideas to sort this out would be appreciated.

Thanks,

Sankar

In file step2d.f90:125

integer, intent(in) :: krhs, kstp, knew
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:126

integer, intent(in) :: nstp, nnew
1
Error: Name 'nstp' at (1) is an ambiguous reference to 'nstp' from current program unit
In file step2d.f90:217

ptsk=3-kstp
1
Error: Name 'kstp' at (1) is an ambiguous reference to 'kstp' from current program unit
In file step2d.f90:228

Drhs(i,j)=zeta(i,j,krhs)+h(i,j)
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:233

DUon(i,j)=0.5_r8*(Drhs(i,j)+Drhs(i-1,j))*ubar(i,j,krhs)* &
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:239

DVom(i,j)=0.5_r8*(Drhs(i,j)+Drhs(i,j-1))*vbar(i,j,krhs)* &
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:280

Zt_avg1(i,j)=Zt_avg1(i,j)+cff1*zeta(i,j,krhs)
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:342

zeta_new(i,j)=zeta(i,j,kstp)+ &
1
Error: Name 'kstp' at (1) is an ambiguous reference to 'kstp' from current program unit
In file step2d.f90:355

zwrk(i,j)=0.5_r8*(zeta(i,j,kstp)+zeta_new(i,j))
1
Error: Name 'kstp' at (1) is an ambiguous reference to 'kstp' from current program unit
In file step2d.f90:370

zeta_new(i,j)=zeta(i,j,kstp)+ &
1
Error: Name 'kstp' at (1) is an ambiguous reference to 'kstp' from current program unit
In file step2d.f90:374

zwrk(i,j)=cff5*zeta(i,j,krhs)+ &
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:397

zeta_new(i,j)=zeta(i,j,kstp)+ &
1
Error: Name 'kstp' at (1) is an ambiguous reference to 'kstp' from current program unit
In file step2d.f90:403

zwrk(i,j)=cff5*zeta_new(i,j)+cff4*zeta(i,j,krhs)
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:417

zeta(i,j,knew)=zeta_new(i,j)
1
Error: Name 'knew' at (1) is an ambiguous reference to 'knew' from current program unit
In file step2d.f90:432

rzeta(i,j,krhs)=rhs_zeta(i,j)
1
Error: Name 'krhs' at (1) is an ambiguous reference to 'krhs' from current program unit
In file step2d.f90:441

[kate]

I always like having another compiler around for sanity checks on something like this. Is it ROMS or is it the compiler?

If it is ROMS, did an extra "use mod_stepping" creep into step2d_tile? Can you look at step2d.f90 and see any other reason why the compiler might be confused?

[sankaras]

Kate,

Thanks Kate!!! That is it.

Yes, USE mod_stepping had crept into my step2d_tile. I removed it and it solved the problem.


Sankar