From 5363f350887b1e5b5dd21a86f88c8af9d7fea6da Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:25 +0200 Subject: Merging upstream version 1.67.1+dfsg1. Signed-off-by: Daniel Baumann --- src/bootstrap/util.rs | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'src/bootstrap/util.rs') diff --git a/src/bootstrap/util.rs b/src/bootstrap/util.rs index 0ebabbd5c..582207832 100644 --- a/src/bootstrap/util.rs +++ b/src/bootstrap/util.rs @@ -13,6 +13,7 @@ use std::time::{Instant, SystemTime, UNIX_EPOCH}; use crate::builder::Builder; use crate::config::{Config, TargetSelection}; +use crate::OnceCell; /// A helper macro to `unwrap` a result except also print out details like: /// @@ -43,7 +44,13 @@ pub use t; /// Given an executable called `name`, return the filename for the /// executable for a particular target. pub fn exe(name: &str, target: TargetSelection) -> String { - if target.contains("windows") { format!("{}.exe", name) } else { name.to_string() } + if target.contains("windows") { + format!("{}.exe", name) + } else if target.contains("uefi") { + format!("{}.efi", name) + } else { + name.to_string() + } } /// Returns `true` if the file name given looks like a dynamic library. @@ -104,7 +111,7 @@ pub struct TimeIt(bool, Instant); /// Returns an RAII structure that prints out how long it took to drop. pub fn timeit(builder: &Builder<'_>) -> TimeIt { - TimeIt(builder.config.dry_run, Instant::now()) + TimeIt(builder.config.dry_run(), Instant::now()) } impl Drop for TimeIt { @@ -127,7 +134,7 @@ pub(crate) fn program_out_of_date(stamp: &Path, key: &str) -> bool { /// Symlinks two directories, using junctions on Windows and normal symlinks on /// Unix. pub fn symlink_dir(config: &Config, src: &Path, dest: &Path) -> io::Result<()> { - if config.dry_run { + if config.dry_run() { return Ok(()); } let _ = fs::remove_dir(dest); @@ -607,3 +614,16 @@ pub fn get_clang_cl_resource_dir(clang_cl_path: &str) -> PathBuf { let clang_rt_dir = clang_rt_builtins.parent().expect("The clang lib folder should exist"); clang_rt_dir.to_path_buf() } + +pub fn lld_flag_no_threads(is_windows: bool) -> &'static str { + static LLD_NO_THREADS: OnceCell<(&'static str, &'static str)> = OnceCell::new(); + let (windows, other) = LLD_NO_THREADS.get_or_init(|| { + let out = output(Command::new("lld").arg("-flavor").arg("ld").arg("--version")); + let newer = match (out.find(char::is_numeric), out.find('.')) { + (Some(b), Some(e)) => out.as_str()[b..e].parse::().ok().unwrap_or(14) > 10, + _ => true, + }; + if newer { ("/threads:1", "--threads=1") } else { ("/no-threads", "--no-threads") } + }); + if is_windows { windows } else { other } +} -- cgit v1.2.3