rust/build_system/abi_checker.rs
2022-08-06 20:51:47 +01:00

63 lines
1.9 KiB
Rust

use super::build_sysroot;
use super::utils::spawn_and_wait_with_input;
use build_system::SysrootKind;
use std::env;
use std::path::Path;
use std::process::Command;
pub(crate) fn run(
channel: &str,
sysroot_kind: SysrootKind,
target_dir: &Path,
cg_clif_build_dir: &Path,
host_triple: &str,
target_triple: &str,
) {
assert_eq!(
host_triple, target_triple,
"abi-checker not supported on cross-compilation scenarios"
);
eprintln!("Building sysroot for abi-checker");
build_sysroot::build_sysroot(
channel,
sysroot_kind,
target_dir,
cg_clif_build_dir,
host_triple,
target_triple,
);
eprintln!("Running abi-checker");
let mut abi_checker_path = env::current_dir().unwrap();
abi_checker_path.push("abi-checker");
env::set_current_dir(abi_checker_path.clone()).unwrap();
let build_dir = abi_checker_path.parent().unwrap().join("build");
let cg_clif_dylib_path = build_dir.join(if cfg!(windows) { "bin" } else { "lib" }).join(
env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX,
);
let pairs = ["rustc_calls_cgclif", "cgclif_calls_rustc", "cgclif_calls_cc", "cc_calls_cgclif"];
let mut cmd = Command::new("cargo");
cmd.arg("run");
cmd.arg("--target");
cmd.arg(target_triple);
cmd.arg("--");
cmd.arg("--pairs");
cmd.args(pairs);
cmd.arg("--add-rustc-codegen-backend");
cmd.arg(format!("cgclif:{}", cg_clif_dylib_path.display()));
let output = spawn_and_wait_with_input(cmd, "".to_string());
// TODO: The correct thing to do here is to check the exit code, but abi-checker
// currently doesn't return 0 on success, so check for the test fail count.
// See: https://github.com/Gankra/abi-checker/issues/10
let failed = !(output.contains("0 failed") && output.contains("0 completely failed"));
if failed {
panic!("abi-checker failed!");
}
}