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Ramon Roche 51b9a86a7e docs(dev_setup): refresh macOS environment page to match macos.sh (#28295 )

The macOS setup page has not been edited since 2026-04-20, while
Tools/setup/macos.sh changed five times after that. The page still
describes the px4-sim Homebrew formula, which has been a deprecated
no-op in PX4/homebrew-px4 since 2026-04-20, and tells users to add
simulation later with `brew install px4-sim`, which installs nothing.
On Homebrew 6.0+ it does not even load, because the page never mentions
the tap trust the script now performs.

Stop enumerating the script's packages and taps in the page; that list
is what went stale. Say what the script does in one sentence, point at
macos.sh as the source of truth, and document only the user-facing
behaviour: Gazebo, XQuartz and a JDK come with --sim-tools, that path
needs sudo, taps are trusted for Homebrew 6, and the way to add
simulation later is to re-run the script with --sim-tools. Drop the
Python prerequisite; the script installs Python and creates the venv
itself.

Fix the pages it links to that contradict it: the simulation overview
still marked Gazebo on Apple Silicon as unstable (pre-dates the
2026-04-20 fix), the supported-targets table claimed Gazebo Classic on
macOS with nothing installing it, the jMAVSim page said Java must be
installed manually on macOS, and the build troubleshooting page
recommended ulimit 300 and running mac_set_ulimit.sh as a script (which
cannot change the caller's shell limit).

Assisted-by: Claude:claude-fable-5

Signed-off-by: Ramon Roche <mrpollo@gmail.com>
Co-authored-by: Farhang <46557204+farhangnaderi@users.noreply.github.com>

2026-09-07 13:14:34 -04:00