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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121#!/usr/bin/env bashset -euo pipefail
# Build independent locked graphs: Iroh's RustCrypto prereleases cannot share# Cargo resolution with MoQ's stable RustCrypto dependencies. Compose the rlibs# with rustc, not two staticlibs, so there is exactly one Rust standard library.source_dir=$(cd "$1" && pwd -P)mkdir -p "$2"output_dir=$(cd "$2" && pwd -P)profile=${3:-release}triple=${4:-}crate_type=${5:-staticlib}
# Resolve the rustup proxy once, before either Cargo invocation. Both graphs and# the final staticlib must use the same compiler, including its standard library.rustc_command=${RUSTC:-rustc}export RUSTC="$("$rustc_command" --print sysroot)/bin/rustc"if [[ -z "$triple" ]]; then while IFS=' ' read -r key value; do if [[ "$key" == host: ]]; then triple=$value; break; fi done < <("$RUSTC" -vV)fi
if [[ "$profile" != debug && "$profile" != release ]]; then echo "unsupported native profile: $profile" >&2 exit 1fiif [[ ! -f "$source_dir/subprojects/moq/meson.build" ]]; then echo "MoQ source is missing; run make native-source first" >&2 exit 1fi
# A final non-Cargo link cannot consume linker-plugin LTO artifacts. Keep the# exact same flags for both graphs and the final composition. Abort is also the# upstream FFI panic policy: a Rust panic must not unwind through Go.if [[ -n "${CARGO_ENCODED_RUSTFLAGS:-}" ]]; then IFS=$'\x1f' read -r -a rustflags <<< "$CARGO_ENCODED_RUSTFLAGS"else read -r -a rustflags <<< "${RUSTFLAGS:-}"firustflags+=(-C lto=off -C embed-bitcode=no -C panic=abort)printf -v CARGO_ENCODED_RUSTFLAGS '%s\x1f' "${rustflags[@]}"export CARGO_ENCODED_RUSTFLAGS=${CARGO_ENCODED_RUSTFLAGS%$'\x1f'}export CARGO_PROFILE_DEV_LTO=false CARGO_PROFILE_RELEASE_LTO=false
cargo_args=(build --locked --target "$triple")if [[ "$profile" == release ]]; then cargo_args+=(--release); ficargo "${cargo_args[@]}" --manifest-path "$source_dir/Cargo.toml" \ --package iroh-streamplace --target-dir "$output_dir/iroh"cargo "${cargo_args[@]}" --manifest-path "$source_dir/subprojects/moq/Cargo.toml" \ --package moq-ffi --target-dir "$output_dir/moq"
case "$triple" in *-apple-darwin) dylib_ext=dylib ;; *-linux-*) dylib_ext=so ;; *) dylib_ext= ;;esaccompose_args=()case "$crate_type" in staticlib) ext=a ;; cdylib) ext=$dylib_ext # One library under both names: link-time lookups of either resolve to # this file, recorded once by its own name. if [[ "$ext" == so ]]; then compose_args+=(-C link-arg=-Wl,-soname,libstreamplace_native.so) else compose_args+=(-C "link-arg=-Wl,-install_name,$output_dir/libstreamplace_native.dylib") fi ;; *) echo "unsupported native crate type: $crate_type" >&2 exit 1 ;;esacout="$output_dir/libstreamplace_native.$ext"iroh_rlib="$output_dir/iroh/$triple/$profile/libiroh_streamplace.rlib"moq_rlib="$output_dir/moq/$triple/$profile/libmoq_ffi.rlib"
# Composing is a full link of both graphs, so it only runs when Cargo rebuilt# an rlib or the composition itself changed.fresh=truefor input in "$iroh_rlib" "$moq_rlib" "$source_dir/rust/streamplace-native/src/lib.rs" "${BASH_SOURCE[0]}"; do [[ "$out" -nt "$input" ]] || fresh=falsedoneif [[ "$fresh" != true ]]; then # Native C/C++ static dependencies are bundled in the rlibs; target system # libs are propagated by Meson's streamplacedeps.pc. A staticlib also prints # rustc's complete list, so a dependency change can be checked against that # explicit system-lib list. With --target, proc-macro dylibs live in the # separate host profile/deps directories. rustc needs those too when loading # either rlib's crate metadata. Release builds of the same crate version # from both graphs collide (rustc: "colliding StableCrateId values"), so # Cargo.lock keeps rustversion at a different version than MoQ's lockfile. "$RUSTC" --edition=2021 --crate-name streamplace_native --crate-type "$crate_type" \ --target "$triple" "${rustflags[@]}" ${compose_args[@]+"${compose_args[@]}"} --print native-static-libs \ -L "dependency=$output_dir/iroh/$triple/$profile/deps" \ -L "dependency=$output_dir/moq/$triple/$profile/deps" \ -L "dependency=$output_dir/iroh/$profile/deps" \ -L "dependency=$output_dir/moq/$profile/deps" \ --extern "iroh_streamplace=$iroh_rlib" \ --extern "moq_ffi=$moq_rlib" \ "$source_dir/rust/streamplace-native/src/lib.rs" \ -o "$out.tmp" mv "$out.tmp" "$out" # Both names resolve to the same objects, not two runtimes. ln -f "$out" "$output_dir/libmoq_ffi.$ext.tmp" mv "$output_dir/libmoq_ffi.$ext.tmp" "$output_dir/libmoq_ffi.$ext"fi# The other kind, from a build of the other type, must not shadow this one.for stale in a "$dylib_ext"; do if [[ -n "$stale" && "$stale" != "$ext" ]]; then rm -f "$output_dir/libstreamplace_native.$stale" "$output_dir/libmoq_ffi.$stale" fidone# The old generator only reads Iroh's UniFFI 0.28 metadata, never MoQ's 0.32.if [[ -n "$dylib_ext" ]]; then ln -f "$output_dir/iroh/$triple/$profile/libiroh_streamplace.$dylib_ext" \ "$output_dir/libiroh_streamplace.$dylib_ext"fi