bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add -Z external-sanitizer-runtime

Browse source 
This adds the unstable `-Z external-sanitizer-runtime` flag that will
prevent rustc from emitting linker paths for the in-tree LLVM sanitizer
runtime library.
This commit is contained in:
Chris Wailes 2023-10-17 16:18:59 -07:00
parent 3cbb93223f
commit 2a9d1ed538
2 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
compiler/rustc_codegen_ssa/src/back/link.rs
View file

@ -1206,6 +1206,7 @@ fn add_sanitizer_libraries(
// Everywhere else the runtimes are currently distributed as static // Everywhere else the runtimes are currently distributed as static
// libraries which should be linked to executables only. // libraries which should be linked to executables only.
let needs_runtime = !sess.target.is_like_android let needs_runtime = !sess.target.is_like_android
&& !sess.opts.unstable_opts.external_clangrt
&& match crate_type { && match crate_type {
CrateType::Executable => true, CrateType::Executable => true,
CrateType::Dylib | CrateType::Cdylib | CrateType::ProcMacro => { CrateType::Dylib | CrateType::Cdylib | CrateType::ProcMacro => {

2
compiler/rustc_session/src/options.rs
View file

@ -1645,6 +1645,8 @@ options! {
"emit the bc module with thin LTO info (default: yes)"), "emit the bc module with thin LTO info (default: yes)"),
export_executable_symbols: bool = (false, parse_bool, [TRACKED], export_executable_symbols: bool = (false, parse_bool, [TRACKED],
"export symbols from executables, as if they were dynamic libraries"), "export symbols from executables, as if they were dynamic libraries"),
external_clangrt: bool = (false, parse_bool, [UNTRACKED],
"rely on user specified linker commands to find clangrt"),
extra_const_ub_checks: bool = (false, parse_bool, [TRACKED], extra_const_ub_checks: bool = (false, parse_bool, [TRACKED],
"turns on more checks to detect const UB, which can be slow (default: no)"), "turns on more checks to detect const UB, which can be slow (default: no)"),
#[rustc_lint_opt_deny_field_access("use `Session::fewer_names` instead of this field")] #[rustc_lint_opt_deny_field_access("use `Session::fewer_names` instead of this field")]