Second incremental variable on the path to Oboe. Adds a
`[target.'cfg(target_os = "android")'.dependencies]` block that pulls
in wzp-client with NO features enabled — no audio (no CPAL), no vpio
(no VoiceProcessingIO). This gives the Android build access to
wzp-client's platform-independent modules (call, handshake, audio_ring,
codec wiring) without any system audio bindings.
Deliberately no new imports in lib.rs or engine.rs. The only effect
should be: cargo-tauri on Android now has to compile wzp-client and
all its transitive crates (wzp-codec, wzp-fec, wzp-proto, wzp-crypto
already pulled directly; now also audiopus, raptorq, etc.) and link
them into libwzp_desktop_lib.so.
Goal: verify that merely expanding the compiled code set to include
wzp-client doesn't regress the previous working state. If it does, we
know one of wzp-client's transitive deps is the problem — probably a
C dep like audiopus or codec2.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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