[MITgcm-devel] ALLOW_ and PACKAGES_CONFIG.h

[Chris Hill]

Ed/Alistiar,

 I was looking at global_ocean.cs32x15.
 I did a check on the number of .F files that have "ifdef ALLOW..." versus
the number of .F files that reference "PACKAGES_CONFIG.h". 
 There are 147 files with "ifdef ALLOW..." and 59 files with
"PACKAGES_CONFIG.h" in them. 

 Is this what it should be? That means I can't just put a random #ifdef
ALLOW_FOO in some routine and have its status from genmake carried through
by an  "PACKAGES_CONFIG.h" type mechanism. Is that what you intended? Is
this because you were trying to avoid triggering remakes of everything
whenever genmake is run? Right now PACKAGES_CONFIG.h seems to be somewhat
randomly scattered through the code and in some package header files (some
of which are only include when an option in PACKAGES_CONFIG.h is set!!).

Chris

P.S. it only took me three days to figure out that the lack of
"PACKAGES_CONFIG" in files is why the general CS (ALLOW_EXCH2) exchanges
don't give the same numbers any more when you change tile sizes :-).