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author | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2019-10-06 00:00:00 +0000 |
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committer | Tomasz Miąsko <tomasz.miasko@gmail.com> | 2020-01-09 07:54:02 +0100 |
commit | 78e7eeeaa1f93f40fa96c36194b1afdfbfdb7364 (patch) | |
tree | 9adbb7788d951a29bdeaf2326c06eab82b9ff8db /src/build_helper | |
parent | adc65725004c8aac16392fe4052c3e347181157d (diff) | |
download | rust-78e7eeeaa1f93f40fa96c36194b1afdfbfdb7364.tar.gz |
Remove sanitizer runtime crates
Diffstat (limited to 'src/build_helper')
-rw-r--r-- | src/build_helper/lib.rs | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/build_helper/lib.rs b/src/build_helper/lib.rs index 3f42533238a..43c3c5773ce 100644 --- a/src/build_helper/lib.rs +++ b/src/build_helper/lib.rs @@ -1,7 +1,5 @@ -use std::fs::File; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; -use std::thread; use std::time::{SystemTime, UNIX_EPOCH}; use std::{env, fs}; @@ -181,108 +179,6 @@ pub fn up_to_date(src: &Path, dst: &Path) -> bool { } } -#[must_use] -pub struct NativeLibBoilerplate { - pub src_dir: PathBuf, - pub out_dir: PathBuf, -} - -impl NativeLibBoilerplate { - /// On macOS we don't want to ship the exact filename that compiler-rt builds. - /// This conflicts with the system and ours is likely a wildly different - /// version, so they can't be substituted. - /// - /// As a result, we rename it here but we need to also use - /// `install_name_tool` on macOS to rename the commands listed inside of it to - /// ensure it's linked against correctly. - pub fn fixup_sanitizer_lib_name(&self, sanitizer_name: &str) { - if env::var("TARGET").unwrap() != "x86_64-apple-darwin" { - return; - } - - let dir = self.out_dir.join("build/lib/darwin"); - let name = format!("clang_rt.{}_osx_dynamic", sanitizer_name); - let src = dir.join(&format!("lib{}.dylib", name)); - let new_name = format!("lib__rustc__{}.dylib", name); - let dst = dir.join(&new_name); - - println!("{} => {}", src.display(), dst.display()); - fs::rename(&src, &dst).unwrap(); - let status = Command::new("install_name_tool") - .arg("-id") - .arg(format!("@rpath/{}", new_name)) - .arg(&dst) - .status() - .expect("failed to execute `install_name_tool`"); - assert!(status.success()); - } -} - -impl Drop for NativeLibBoilerplate { - fn drop(&mut self) { - if !thread::panicking() { - t!(File::create(self.out_dir.join("rustbuild.timestamp"))); - } - } -} - -// Perform standard preparations for native libraries that are build only once for all stages. -// Emit rerun-if-changed and linking attributes for Cargo, check if any source files are -// updated, calculate paths used later in actual build with CMake/make or C/C++ compiler. -// If Err is returned, then everything is up-to-date and further build actions can be skipped. -// Timestamps are created automatically when the result of `native_lib_boilerplate` goes out -// of scope, so all the build actions should be completed until then. -pub fn native_lib_boilerplate( - src_dir: &Path, - out_name: &str, - link_name: &str, - search_subdir: &str, -) -> Result<NativeLibBoilerplate, ()> { - rerun_if_changed_anything_in_dir(src_dir); - - let out_dir = - env::var_os("RUSTBUILD_NATIVE_DIR").unwrap_or_else(|| env::var_os("OUT_DIR").unwrap()); - let out_dir = PathBuf::from(out_dir).join(out_name); - t!(fs::create_dir_all(&out_dir)); - if link_name.contains('=') { - println!("cargo:rustc-link-lib={}", link_name); - } else { - println!("cargo:rustc-link-lib=static={}", link_name); - } - println!("cargo:rustc-link-search=native={}", out_dir.join(search_subdir).display()); - - let timestamp = out_dir.join("rustbuild.timestamp"); - if !up_to_date(Path::new("build.rs"), ×tamp) || !up_to_date(src_dir, ×tamp) { - Ok(NativeLibBoilerplate { src_dir: src_dir.to_path_buf(), out_dir }) - } else { - Err(()) - } -} - -pub fn sanitizer_lib_boilerplate( - sanitizer_name: &str, -) -> Result<(NativeLibBoilerplate, String), ()> { - let (link_name, search_path, apple) = match &*env::var("TARGET").unwrap() { - "x86_64-unknown-linux-gnu" => { - (format!("clang_rt.{}-x86_64", sanitizer_name), "build/lib/linux", false) - } - "x86_64-apple-darwin" => { - (format!("clang_rt.{}_osx_dynamic", sanitizer_name), "build/lib/darwin", true) - } - _ => return Err(()), - }; - let to_link = if apple { - format!("dylib=__rustc__{}", link_name) - } else { - format!("static={}", link_name) - }; - // This env var is provided by rustbuild to tell us where `compiler-rt` - // lives. - let dir = env::var_os("RUST_COMPILER_RT_ROOT").unwrap(); - let lib = native_lib_boilerplate(dir.as_ref(), sanitizer_name, &to_link, search_path)?; - Ok((lib, link_name)) -} - fn dir_up_to_date(src: &Path, threshold: SystemTime) -> bool { t!(fs::read_dir(src)).map(|e| t!(e)).all(|e| { let meta = t!(e.metadata()); |