RFR: JDK-8323008: filter out harmful -std* flags added by autoconf from CXX [v4]

[Christoph Langer]

On Fri, 12 Jan 2024 13:39:33 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> > As I mentioned above, the autoconf inserting of those compiler flags can be disabled by setting ac_prog_cc_stdc and >ac_prog_cxx_stdcxx to readonly empty values. It's also a workaround, but is slightly less hacky than filtering out the CXX values >like this. Maybe a topic for another changeset?
> 
> Yes maybe something for another changeset . [RealCLanger](https://github.com/RealCLanger) did you try this, maybe you mentioned something like this ?

I tried setting this as environment variable in my shell before calling configure and found that it had no effect. But I didn't spend a lot of energy on that approach.

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PR Comment: https://git.openjdk.org/jdk/pull/17301#issuecomment-1889774319