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6b5ee9f added a libc-based batched recv_batch for the Apple/BSD targets
(cfg(all(unix, not(target_os = "linux")))) but left libc declared only under
cfg(target_os = "linux"). The macOS host build pulls libc in transitively so it
compiled, but the iOS/tvOS cross-compiles (no transitive libc, dev-deps off) failed
with E0433 "cannot find crate libc", breaking the full xcframework build. Widen the
gate to cfg(unix): libc is now used by sendmmsg/recvmmsg on Linux AND recv() on the
other unix (Apple/BSD) targets.
Verified: cargo build --release -p punktfunk-core --features quic for
aarch64-apple-ios, x86_64-apple-ios, and aarch64-apple-tvos (-Z build-std) all link.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
62 lines
2.9 KiB
TOML
62 lines
2.9 KiB
TOML
[package]
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name = "punktfunk-core"
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description = "punktfunk shared protocol/transport/FEC core, exposed over a stable C ABI"
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version.workspace = true
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edition.workspace = true
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rust-version.workspace = true
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license.workspace = true
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authors.workspace = true
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repository.workspace = true
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[lib]
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name = "punktfunk_core"
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# `lib` — so punktfunk-host / punktfunk-client-rs / tools link it as a normal Rust crate.
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# `staticlib` — `libpunktfunk_core.a` for the C test harness and static embedding.
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# `cdylib` — `libpunktfunk_core.{so,dylib}` for Swift/Kotlin clients via the C ABI.
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crate-type = ["lib", "cdylib", "staticlib"]
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[features]
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default = []
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# Control-plane QUIC (pairing, config, reverse audio). tokio is permitted ONLY here,
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# never on the per-frame hot path. Off by default so the core stays runtime-free.
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quic = ["dep:quinn", "dep:tokio", "dep:rustls", "dep:rcgen", "dep:rustls-pki-types", "dep:sha2", "dep:hmac", "dep:spake2"]
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[dependencies]
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reed-solomon-simd = "3.1" # GF(2^16) Leopard-RS, SIMD, O(n log n) — the wall-breaker (P2)
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# Vendored fork of fec-rs: GF(2^8) classic RS with the *Cauchy* generator matrix
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# (M[j][i] = inv[(m+i)^j]) — byte-identical to the `nanors` library Moonlight uses, so our
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# parity is decodable by a stock Moonlight client. (reed-solomon-erasure is Vandermonde and is
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# NOT interoperable.) See vendor/fec-rs/LICENSE (BSD-2-Clause).
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fec-rs = { path = "vendor/fec-rs" }
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aes-gcm = "0.10" # AES-128-GCM session crypto, matches GameStream
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zerocopy = { version = "0.8", features = ["derive"] }
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bytes = "1"
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socket2 = "0.6" # set SO_SNDBUF/SO_RCVBUF — default UDP buffers are too small for 4K/5K frame bursts
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thiserror = "2"
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tracing = { version = "0.1", default-features = false, features = ["std"] }
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rand = "0.9"
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zeroize = "1"
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quinn = { version = "0.11", optional = true }
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rustls = { version = "0.23", optional = true, default-features = false, features = ["ring", "std"] }
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rcgen = { version = "0.13", optional = true, default-features = false, features = ["aws_lc_rs", "pem"] }
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rustls-pki-types = { version = "1", optional = true }
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sha2 = { version = "0.10", optional = true }
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hmac = { version = "0.12", optional = true }
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spake2 = { version = "0.4", optional = true }
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tokio = { version = "1", optional = true, features = ["rt-multi-thread", "net", "sync", "macros"] }
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# `libc` for batched UDP syscalls: `sendmmsg`/`recvmmsg` on Linux (the 1 Gbps+ lever) and the
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# `recv(MSG_DONTWAIT)` drain on the other unix (Apple/BSD) targets, which have no `recvmmsg`
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# (see transport/udp.rs `recv_batch`). Needed on every unix target — non-unix (Windows) uses
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# the scalar fallbacks. Cross-compiles (iOS/tvOS) don't pull libc transitively the way the
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# macOS host build does, so it must be a direct dep here or those slices fail to link `libc::`.
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[target.'cfg(unix)'.dependencies]
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libc = "0.2"
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[dev-dependencies]
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proptest = "1"
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[build-dependencies]
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cbindgen = "0.29"
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