[Users] Fwd: [ET Trac] [Einstein Toolkit] #670: commit 166d77a440a5 and b5f8b4ff16fb does not compile with gfortran

[Erik Schnetter]

Peter, what do you suggest?

-erik


---------- Forwarded message ----------
From: Einstein Toolkit <trac-noreply at einsteintoolkit.org>
Date: Tue, Nov 15, 2011 at 6:42 PM
Subject: [ET Trac] [Einstein Toolkit] #670: commit 166d77a440a5 and
b5f8b4ff16fb does not compile with gfortran
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Cc: trac at einsteintoolkit.org


#670: commit 166d77a440a5 and b5f8b4ff16fb does not compile with gfortran
--------------------+-------------------------------------------------------
 Reporter:  rhaas   |       Owner:  eschnett
    Type:  defect  |      Status:  new
 Priority:  major   |   Milestone:
Component:  Carpet  |     Version:
 Keywords:          |
--------------------+-------------------------------------------------------
 I get the following error messages (the second commit changes
 make.code.defn to activate code from the first commit):
 {{{
 In file
 /home/rhaas/ET/configs/et/build/Carpet/LoadBalanceReal/carpet_region.f90:59

      type(superregion2), pointer, intent(out) :: sregion
                                1
 Error: POINTER attribute conflicts with INTENT attribute at (1)
 }}}

 this happens with gfortran 4.2 on a red hat 5.7 system (eg. the cct
 machines or my workstation at Caltech or (former workstation at) GT). I
 attach the full make output (with many more errors).

 Looking at the fortran code it states that:
 {{{
  ! Note that using intent on pointer arguments requires fortran 2003.
  ! It is not allowed in fortran 90 or 95.
 }}}
 I tried setting std=f2003 in gfortran (see make.log) but apparently this
 is not sufficient for gfortran 4.1.2

 I am not which other fortran compilers are affected. If we keep this then
 we will have to make very clear all user realise that Carpet requires
 Fortran 2003 and a fairly new gfortran compiler (or intel) not just
 Fortran 90.

--
Ticket URL: <https://trac.einsteintoolkit.org/ticket/670>
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-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/