Need reviewer: CC_VER checks on compiler options

[Igor Nekrestyanov]

  I do not see anything obviously wrong in this change (did not validate 
that all used macros actually equivalent though).
So, looks ok for push.

-igor

On 4/21/11 2:33 PM, Kelly O'Hair wrote:
> This started out as an annoyance around the use of -Wno-clobber on Linux when the gcc might
> not support it. Turned into fixing several CC_VER checks in the makefiles:
>
> 7038711: Fix CC_VER checks for compiler options, fix use of -Wno-clobber
> http://cr.openjdk.java.net/~ohair/openjdk7/jdk7-build-ccver/webrev/
>
> -kto
>