[mvapich-discuss] Request to read value of environment variables, rather than just checking whether they are defined

[Sayantan Sur]

Adam,
> Of course, doing this would change the behavior for those accustomed 
> to simply defining the variable and not caring about its value.  
> Perhaps you'd want to define a new set of variables like 
> "USE_RDMA_ALLTOALL={0,1}" in order to preserve this backwards 
> compatibility.

Thanks for your suggestion. Yes, it is definitely reasonable to have the 
environment variables read this way. In fact, this is how we are 
changing all the env. variables in 0.9.9. We'll be sure to include the 
ones you mentioned in your email.

Have a happy new year!

Sayantan.

-- 
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