On Nov 24, 2012, at 8:10 PM, Ryan Schmidt wrote:

> One idea that occurs to me is modifying the compiler.blacklist syntax. For 
> example:
> 
> "compiler.blacklist clang" would blacklist all versions of clang, as it does 
> now.
> 
> "compiler.blacklist clang<318.0.61" would blacklist clang builds less than 
> 318.0.61 (cairo might use this).
> 
> "compiler.blacklist clang>=421.11.66" would blacklist clang builds greater 
> than or equal to 421.11.66 (mpich might use this).
> 
> "compiler.blacklist 421.11.66<=clang<444" would blacklist clang builds 
> greater than or equal to 421.11.66 and less than 444 (mpich might use this, 
> if whatever clang bug it hit is fixed in some hypothetical future clang build 
> 444).


Would the last example be easier to write, read, debug and document as 
key/value pairs over two line?
compiler.blacklist clang<444
compiler.blacklist clang>=421.11.66


Regards,
Bradley Giesbrecht (pixilla)

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