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replace cc_detect::cc2ar with cc::try_get_archiver #140994

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replace cc_detect::cc2ar with cc::try_get_archiver #140994

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e0421f8
replace `cc_detect::cc2ar` with `cc::try_get_archiver`
onur-ozkan May 14, 2025
5027ee2
bump bootstrap cc-rs to `1.2.23`
onur-ozkan May 16, 2025
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4 changes: 2 additions & 2 deletions 4 src/bootstrap/Cargo.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -89,9 +89,9 @@ dependencies = [

[[package]]
name = "cc"
version = "1.2.17"
version = "1.2.23"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a"
checksum = "5f4ac86a9e5bc1e2b3449ab9d7d3a6a405e3d1bb28d7b9be8614f55846ae3766"
dependencies = [
"shlex",
]
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2 changes: 1 addition & 1 deletion 2 src/bootstrap/Cargo.toml
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Expand Up @@ -32,7 +32,7 @@ test = false
# Most of the time updating these dependencies requires modifications to the
# bootstrap codebase(e.g., https://github.com/rust-lang/rust/issues/124565);
# otherwise, some targets will fail. That's why these dependencies are explicitly pinned.
cc = "=1.2.17"
cc = "=1.2.23"
cmake = "=0.1.54"

build_helper = { path = "../build_helper" }
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34 changes: 2 additions & 32 deletions 34 src/bootstrap/src/utils/cc_detect.rs
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Expand Up @@ -22,43 +22,13 @@
//! everything.

use std::collections::HashSet;
use std::iter;
use std::path::{Path, PathBuf};
use std::{env, iter};

use crate::core::config::TargetSelection;
use crate::utils::exec::{BootstrapCommand, command};
use crate::{Build, CLang, GitRepo};

/// Finds archiver tool for the given target if possible.
/// FIXME(onur-ozkan): This logic should be replaced by calling into the `cc` crate.
fn cc2ar(cc: &Path, target: TargetSelection, default_ar: PathBuf) -> Option<PathBuf> {
if let Some(ar) = env::var_os(format!("AR_{}", target.triple.replace('-', "_"))) {
Some(PathBuf::from(ar))
} else if let Some(ar) = env::var_os("AR") {
Some(PathBuf::from(ar))
} else if target.is_msvc() {
None
} else if target.contains("musl") || target.contains("openbsd") {
Some(PathBuf::from("ar"))
} else if target.contains("vxworks") {
Some(PathBuf::from("wr-ar"))
} else if target.contains("-nto-") {
if target.starts_with("i586") {
Some(PathBuf::from("ntox86-ar"))
} else if target.starts_with("aarch64") {
Some(PathBuf::from("ntoaarch64-ar"))
} else if target.starts_with("x86_64") {
Some(PathBuf::from("ntox86_64-ar"))
} else {
panic!("Unknown architecture, cannot determine archiver for Neutrino QNX");
}
} else if target.contains("android") || target.contains("-wasi") {
Some(cc.parent().unwrap().join(PathBuf::from("llvm-ar")))
} else {
Some(default_ar)
}
}

/// Creates and configures a new [`cc::Build`] instance for the given target.
fn new_cc_build(build: &Build, target: TargetSelection) -> cc::Build {
let mut cfg = cc::Build::new();
Expand Down Expand Up @@ -140,7 +110,7 @@ pub fn find_target(build: &Build, target: TargetSelection) {
let ar = if let ar @ Some(..) = config.and_then(|c| c.ar.clone()) {
ar
} else {
cc2ar(compiler.path(), target, PathBuf::from(cfg.get_archiver().get_program()))
cfg.try_get_archiver().map(|c| PathBuf::from(c.get_program())).ok()
};

build.cc.borrow_mut().insert(target, compiler.clone());
Expand Down
113 changes: 0 additions & 113 deletions 113 src/bootstrap/src/utils/cc_detect/tests.rs
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Expand Up @@ -5,119 +5,6 @@ use super::*;
use crate::core::config::{Target, TargetSelection};
use crate::{Build, Config, Flags};

#[test]
fn test_cc2ar_env_specific() {
let triple = "x86_64-unknown-linux-gnu";
let key = "AR_x86_64_unknown_linux_gnu";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::set_var(key, "custom-ar") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var(key) };
assert_eq!(result, Some(PathBuf::from("custom-ar")));
}

#[test]
fn test_cc2ar_musl() {
let triple = "x86_64-unknown-linux-musl";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_x86_64_unknown_linux_musl") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("ar")));
}

#[test]
fn test_cc2ar_openbsd() {
let triple = "x86_64-unknown-openbsd";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_x86_64_unknown_openbsd") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/cc");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("ar")));
}

#[test]
fn test_cc2ar_vxworks() {
let triple = "armv7-wrs-vxworks";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_armv7_wrs_vxworks") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("wr-ar")));
}

#[test]
fn test_cc2ar_nto_i586() {
let triple = "i586-unknown-nto-something";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_i586_unknown_nto_something") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("ntox86-ar")));
}

#[test]
fn test_cc2ar_nto_aarch64() {
let triple = "aarch64-unknown-nto-something";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_aarch64_unknown_nto_something") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("ntoaarch64-ar")));
}

#[test]
fn test_cc2ar_nto_x86_64() {
let triple = "x86_64-unknown-nto-something";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_x86_64_unknown_nto_something") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let result = cc2ar(cc, target, default_ar);
assert_eq!(result, Some(PathBuf::from("ntox86_64-ar")));
}

#[test]
#[should_panic(expected = "Unknown architecture, cannot determine archiver for Neutrino QNX")]
fn test_cc2ar_nto_unknown() {
let triple = "powerpc-unknown-nto-something";
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR_powerpc_unknown_nto_something") };
// SAFETY: bootstrap tests run on a single thread
unsafe { env::remove_var("AR") };
let target = TargetSelection::from_user(triple);
let cc = Path::new("/usr/bin/clang");
let default_ar = PathBuf::from("default-ar");
let _ = cc2ar(cc, target, default_ar);
}

#[test]
fn test_ndk_compiler_c() {
let ndk_path = PathBuf::from("/ndk");
Expand Down
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