RFR: JDK-8031759 Configure should handle overrides of tools better

[Erik Joelsson]

On 2014-01-28 22:43, Mike Duigou wrote:
> - there are tools which are conditionally required on specific platforms but a few which are "# These are not required on all platforms". Should these perhaps be put into conditional blocks and required on the platforms they are needed or are they truly optional?
I believe we opted not to do that because these tools are looked for 
before platform.gmk is run, so we don't have proper platform variables 
to check. On the other hand, (most of) the platform specific tools are 
probably safe to move to a later stage of configure.

/Erik