Ryan

Unrelated failure: https://github.com/Ryanf55/ardupilot/actions/runs/9230437664/job/25398673460#step:6:116

[0001-Github-Enable-DDS-in-environment-setup-testing.patch](https://github.com/ArduPilot/ardupilot/files/15440681/0001-Github-Enable-DDS-in-environment-setup-testing.patch) Also, this patch could be helpful to ensure DDS is actually going to work.

> Hi! Apart from the two comments, a couple more questions: > > First, the flags `DO_UXRCGEN_INSTALL` and `UXRCE_GEN_TOOL_NAME` are not visible anywhere. Where do you propose that they will...

Can we try this workflow out first? We have the 4.5.1 version that fixed some extranneous stderr behavior, but otherwise expect no changes. This PR makes a good improvement significant...

> Just adding my $0.02 that this PR does fix the Eigen linker issues when using grid_map_core for me, thank you! I can't speak to its potential impact on other...

> Thanks for this! I am not sure about the proper solution but this is what I have been end up using to be able to build and use properly...

> Given microxrceddsgen is not yet available as a binary, I have a potential solution for making compilation easier: > > * Add microxrceddsgen to the .repos file > *...

I tried both - colcon doesn't seem to recognize it as a package.

> Another note, I am having trouble building the upstream eProsima version but the ArduPilot fork does build fine (on Jazzy). > > Edit: ArduPilot fork of Micro-XRCE-DDS-Gen also builds...

> Also, `pexpect` is not declared as a dependency in the package.xml files currently. I'm guessing this is a package that is common on some Ubuntu distributions but doesn't ship...