mirror of
https://github.com/luxfi/consensus.git
synced 2026-09-24 00:26:58 +00:00
zeekay
40c41f2efc
Metadata polish for the public registry: correct `license = "MIT"` (wrong) to `license-file = "LICENSE"` with the Lux Ecosystem License 1.2 vendored in-crate, sharpen the description (Quasar BFT, Wave/FPC/Photon/ Focus), add keywords/categories/homepage/readme/authors, and exclude the historical `tests/*.old` snapshots from the published tarball. build.rs: the Rust source has zero `extern "C"` symbols and never actually consumed the sibling `libluxconsensus` C library, but the unconditional `cargo:rustc-link-lib=luxconsensus` would break every downstream consumer building from crates.io. Guard the link directives on the static/dynamic library actually existing on disk so in-tree development is unchanged and crates.io builds succeed cleanly. Skip the link step entirely under `DOCS_RS`. Published: https://crates.io/crates/lux-consensus/1.22.0
44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
use std::env;
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use std::path::PathBuf;
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fn main() {
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// docs.rs builds: skip everything below.
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if env::var("DOCS_RS").is_ok() {
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return;
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}
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// This crate is pure Rust (no `extern "C"` symbols are referenced from
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// src/lib.rs). The historical build.rs linked against a sibling C
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// library (`libluxconsensus`) that is built alongside in the upstream
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// repo, but no Rust code consumes those symbols.
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//
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// To keep in-tree development behaviour unchanged AND let downstream
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// consumers (and crates.io) build without the C library on disk, we
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// emit the link directives *only when the static or dynamic library
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// actually exists on the filesystem*.
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let dir = env::var("CARGO_MANIFEST_DIR").unwrap();
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let c_lib_path = PathBuf::from(&dir).parent().unwrap().join("c/lib");
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let candidates = [
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c_lib_path.join("libluxconsensus.a"),
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c_lib_path.join("libluxconsensus.dylib"),
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c_lib_path.join("libluxconsensus.so"),
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];
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let any_exists = candidates.iter().any(|p| p.exists());
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if any_exists {
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println!("cargo:rustc-link-search=native={}", c_lib_path.display());
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println!("cargo:rustc-link-lib=luxconsensus");
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if cfg!(target_os = "macos") {
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println!("cargo:rustc-link-arg=-Wl,-rpath,{}", c_lib_path.display());
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}
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}
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// Rerun if the C library changes (or appears/disappears).
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for c in &candidates {
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println!("cargo:rerun-if-changed={}", c.display());
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}
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println!("cargo:rerun-if-env-changed=DOCS_RS");
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}
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