[Users] Mojave|Simfactory|Fortran(thorn): F90 compiler rejecting "_##" in var names

Ian Hinder ian.hinder at aei.mpg.de
Fri Dec 20 04:51:28 CST 2013

On 20 Dec 2013, at 07:58, Scott Hawley <scott.hawley at belmont.edu> wrote:

> Aha!  That's the missing piece.   
> Also, FWIW, apparently in Apple's latest OS "Mavericks", cpp does not support macro concatenation via ## like the true GNU compilers do. (I tested this; I copied and pasted example source from the GNU manual.) Furthermore it ignores the "--traditional" flag, i.e. generates no warning or error if you supply the flag, but it has no effect on the behavior.
> So!  Problem solved.  The fix is to  specify FPP= in the options file with the --traditional flag, using a true GNU compiler such as from MacPorts.    No modifications to cctk_Types.h is necessary.
> Thanks Roland!   

Hi Scott,

We usually find that the apple compilers are not suitable for compiling the ET; we support using MacPorts using the simfactory optionlists, as this provides a single way to install all the required compilers and components.  It's possible that we could make the apple compilers work, but there are other projects which have a higher priority.

Ian Hinder

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