[CMake] How to set Environmental Variable in Makefile?

[Matthew Woehlke]

Wang, Huyi (GE Healthcare) wrote:
> Hi, any suggestions?
> 
> ________________________________
> 
> Question:
> Is there a way to set value for an environmental  variable, e.g. $PATH, and let it be valid in Makefile? ENV{XXX} can only be valid when cmake is runing, not for make.
>  
> Reason:
> Some commands depend on some environmental  varialbes. 
> Right now I'm trying to run "omniidl" to build corba idl files, it needs PYTHONPATH to be set correctly, otherwise this command can't run. I checked its switches, there isn't such a switch that can let omniidl know this path.
> 
> 
> ------------------------------------------------------------------------

Wrap the command in a cmake script? Otherwise I believe the generic 
answer is "no", because of the complexity (and in some cases, 
impossibility) of making this work in all the generators CMake supports.

-- 
Matthew
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