RFR: 8315786: [AIX] Build Disk Local Detection Issue with GNU-utils df on AIX

[Deepa Kumari]

On Fri, 8 Sep 2023 08:41:41 GMT, Deepa Kumari <duke at openjdk.org> wrote:

>> Previously [JDK-8304364](https://github.com/openjdk/jdk/pull/13066/files) , the AIX build process raised complaints about the disk location detection, incorrectly determining that the build wasn't on a local disk. However, a partial fix introduced a new problem, the build process consistently reports that it's on a local disk, even when it's not
>> The core problem here seems to be that Bash treats quoted commands as string literals, and it only evaluates them if you use 'eval' directly.
>>  The  change ensure that Bash correctly evaluates the **DF** variable as a command.
>> 
>> Reported Issue : [JDK-8315786](https://bugs.openjdk.org/browse/JDK-8315786)
>
> @backwaterred , I'd appreciate it if you could review this PR, as it builds upon your work in  [#13066](https://github.com/openjdk/jdk/pull/13066). Thanks.

> LGTM :-) Thanks for fixing this @deepa181.

Thank You @backwaterred.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/15592#issuecomment-1711900126