61 lines
2.3 KiB
Rust
61 lines
2.3 KiB
Rust
use std::env;
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use std::fs;
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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// Ensure target/perf-libs/ exists. It's been observed that
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// a cargo:rerun-if-changed= directive with a non-existent
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// directory triggers a rebuild on every |cargo build| invocation
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fs::create_dir_all("target/perf-libs").unwrap_or_else(|err| {
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if err.kind() != std::io::ErrorKind::AlreadyExists {
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panic!("Unable to create target/perf-libs: {:?}", err);
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}
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});
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let chacha = !env::var("CARGO_FEATURE_CHACHA").is_err();
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let cuda = !env::var("CARGO_FEATURE_CUDA").is_err();
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let erasure = !env::var("CARGO_FEATURE_ERASURE").is_err();
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if chacha || cuda || erasure {
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println!("cargo:rerun-if-changed=target/perf-libs");
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println!("cargo:rustc-link-search=native=target/perf-libs");
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}
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if chacha {
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println!("cargo:rerun-if-changed=target/perf-libs/libcpu-crypt.a");
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}
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if cuda {
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let cuda_home = match env::var("CUDA_HOME") {
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Ok(cuda_home) => cuda_home,
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Err(_) => String::from("/usr/local/cuda"),
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};
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println!("cargo:rerun-if-changed=target/perf-libs/libcuda-crypt.a");
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println!("cargo:rustc-link-lib=static=cuda-crypt");
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println!("cargo:rustc-link-search=native={}/lib64", cuda_home);
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println!("cargo:rustc-link-lib=dylib=cudart");
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println!("cargo:rustc-link-lib=dylib=cuda");
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println!("cargo:rustc-link-lib=dylib=cudadevrt");
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}
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if erasure {
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#[cfg(any(target_os = "macos", target_os = "ios"))]
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{
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println!("cargo:rerun-if-changed=target/perf-libs/libgf_complete.dylib");
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println!("cargo:rerun-if-changed=target/perf-libs/libJerasure.dylib");
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}
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#[cfg(all(unix, not(any(target_os = "macos", target_os = "ios"))))]
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{
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println!("cargo:rerun-if-changed=target/perf-libs/libgf_complete.so");
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println!("cargo:rerun-if-changed=target/perf-libs/libJerasure.so");
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}
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#[cfg(windows)]
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{
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println!("cargo:rerun-if-changed=target/perf-libs/libgf_complete.dll");
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println!("cargo:rerun-if-changed=target/perf-libs/libJerasure.dll");
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}
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println!("cargo:rustc-link-lib=dylib=Jerasure");
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println!("cargo:rustc-link-lib=dylib=gf_complete");
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}
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}
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