make docs

[Peter Dalgaard BSA]

Paul Gilbert <pgilbert@bank-banque-canada.ca> writes:

> How quickly I forget. Thanks everyone for reminding me about gnu make. I had to
> switch back because
> 
> PADI_HOME:sh = if [ $PADI_HOME ] ; then echo $PADI_HOME; else echo $PWD ; fi
> 
> works to conditionally set a variable in Sun make but not in gnu. Does anyone
> know how to do an equivalent thing in gnu make?

PADI_HOME=$(shell if [ ....)

or something like that. 

I suspect, by the way, that the whole thing might be better written as 

PADI_HOME=$(shell ${PADI_HOME-$PWD})

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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