How to retrieve compilation options the code has benn compiled with at run-time

[FlyingHermes]

Hi,

Is there a way to retrieve the compilation options a given fortran code has been compiled with.

In particular, I'm  interested in knowing if the code is being run in parallel using the "-coarray" option.

If so, some variables need to have the "codimension" attribute in their declaration.

For the time being, I added these lines in my Make.inc file which is included in my Makefile:

PARALLEL=on
ifeq ($(PARALLEL),on)
      PARALLEL_FLAG= -coarray -coarray-num-images=2 -DPARALLEL
else
      PARALLEL_FLAG=
endif
FFLAGS= ... (OTHER COMPILATION OPTIONS) ... $(PARALLEL_FLAG) -fpp

The source code is being preprocessed (option "-fpp") and the "PARALLEL" keyword is defined (option "-DPARALLEL")

Then, in my source code, I'm using the following preprocessing conditional structure:

[fortran]
#IFDEF PARALLEL
  class(Mesh_Type) ,codimension

,intent(inout)  ::      This
#ELSE
  class(Mesh_Type)                 ,intent(inout)  ::      This
#ENDIF
[/fortran]

Is there a better way to do it?

Thanks

[Steven_L_Intel1]

Sorry, no.

[jimdempseyatthecove]

If you are using FPP you could

#ifdef PARALLEL
#define _CODIMENSION_   ,codimension

#else
#define _CODIMENSION_
#endif

...

class(Mesh_Type) _CODIMENSION_ ,intent(inout)  ::      This

A lot cleaner than using #if... and/or !DEC$ IF...

Jim Dempsey

[FlyingHermes]

Yes, it is indeed much cleaner !!!

Thanks Jim