[Rd] Patch: context stack size in gram.y

[Thomas Dreibholz]

Hi!

Attached to this mail, you find a patch for gram.y setting a #define 
CONTEXT_STACK_SIZE for the context stack size and replacing the following 
constants 50 and 49 by CONTEXT_STACK_SIZE and CONTEXT_STACK_SIZE-1. The new 
#define makes setting the stack size much more easy; I also have increased it 
to 500, because 50 is too small (we use R to iterate through sets of 
simulation parameters, which requires a context stack size of around 100).

I have also discovered that yacc is only invoked when R is configured with 
"--enable-maintainer-mode", i.e. the redundant output file gram.c is part of 
the source distribution. Would is not be better to always generate gram.c 
from gram.y instead of providing gram.y and gram.c?


Best regards
-- 
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 Dipl.-Inform. Thomas Dreibholz

 University of Essen,                            Room ES210
 Inst. for Experimental Mathematics              Ellernstraße 29
 Computer Networking Technology Group            D-45326 Essen/Germany
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 E-Mail:     dreibh at exp-math.uni-essen.de
 Homepage:   http://www.exp-math.uni-essen.de/~dreibh
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