On Mon, 26 Sep 2022 22:51:22 GMT, Erik Joelsson <[email protected]> wrote:

> Since [JDK-8293550](https://bugs.openjdk.org/browse/JDK-8293550) we are 
> adding adhoc signatures to all binaries on macos, and the compare script is 
> no longer running cleanly. In order to compare binaries on macos, especially 
> on aarch64, where signatures are mandatory, we will have to remove them 
> first. They will never be exactly the same between two runs.
> 
> This patch adds `codesign --remove-signature` to compare.sh before comparing 
> any executables or libraries. Stripping the signature has to happen after 
> running `strip` as strip will fail otherwise. I also had to add a special 
> option to strip to avoid warnings.
> 
> While enabling baseline compare runs for macosx-aarch64 in our CI, I 
> discovered that were also not running testmake for aarch64, so I snuck in 
> that change in jib-profiles.js here as well.

I'm a bit sad to see the exact bit-by-bit comparison on macOS go down the 
drain. :( Do you think we could export `MACOSX_CODESIGN_MODE` to 
`compare.sh.in`, and if it is `disabled`, then we do the traditional bit-by-bit 
comparison? That way we at least have some possible way to do this, even if the 
signing normally in place makes a complete match impossible.

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

PR: https://git.openjdk.org/jdk/pull/10435

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