rust/build_system/build_backend.rs

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Rust
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use std::env;
use std::process::{self, Command};
pub(crate) fn build_backend(channel: &str) -> String {
let mut cmd = Command::new("cargo");
cmd.arg("build");
match channel {
"debug" => {}
"release" => {
cmd.arg("--release");
}
_ => unreachable!(),
}
if cfg!(unix) {
if cfg!(target_os = "macos") {
cmd.env(
"RUSTFLAGS",
"-Csplit-debuginfo=unpacked \
-Clink-arg=-Wl,-rpath,@loader_path/../lib \
-Zosx-rpath-install-name"
.to_string()
+ env::var("RUSTFLAGS").as_deref().unwrap_or(""),
);
} else {
cmd.env(
"RUSTFLAGS",
"-Clink-arg=-Wl,-rpath=$ORIGIN/../lib ".to_string()
+ env::var("RUSTFLAGS").as_deref().unwrap_or(""),
);
}
}
eprintln!("[BUILD] rustc_codegen_cranelift");
if !cmd.spawn().unwrap().wait().unwrap().success() {
process::exit(1);
}
crate::rustc_info::get_dylib_name("rustc_codegen_cranelift")
}