RFR: 8361216: Do not fork javac in J2DBench ant build

[Phil Race]

On Thu, 3 Jul 2025 21:09:54 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> I think we can just drop ant and leave the makefile as it is. The source/target settings are set to that low level to indicate that the source code should be compatible with older versions of the JDK. Currently, JDK 1.4 compatibility is still maintained.

I have supposed that this PR exists because Eric wants to use ant. Eric ?

I think for today's mainline, not supporting jdk7 as an out of the box target isn't a huge problem. 
Current javac doesn't support 7 as a target so it seems reasonable to me.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/26077#discussion_r2183801786