build: full prerequisite preflight in build-macos.sh (macOS, Xcode, zig, git) - #11
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Expand the Xcode-only check into a single preflight that verifies all build prerequisites before any work and reports every problem at once (not just the first), each with its exact fix: - macOS (Darwin) - full Xcode (xcodebuild usable, not just Command Line Tools) - zig (brew install zig) - git (for submodules) On success it prints a one-line 'Preflight OK (Xcode <v>, zig <v>, git present)' and is a no-op for the happy path. Aborts before setup.sh/reload.sh so failures surface immediately with actionable guidance instead of deep in the build.
evandhoffman
enabled auto-merge
June 20, 2026 12:52
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Expands the Xcode-only check (from #10) into one preflight that verifies all build prerequisites up front and reports every problem at once — each with its exact fix — before
setup.sh/reload.shdo any work.Checks:
xcodebuildusable, not just the Command Line Tools (xcode-select -s …)brew install zigHappy path prints one line and is otherwise a no-op:
A missing prereq looks like:
Verified:
bash -n; happy path; and a simulated missing-zig run (reports zig + exits 1). No-op when everything is present, so working machines are unaffected.