Skip to content

Use POSIX -u instead of GNU --undefined for zig linker support #236

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Shnatsel merged 1 commit into from
Mar 3, 2026
Merged

Use POSIX -u instead of GNU --undefined for zig linker support #236

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 6 additions & 4 deletions cargo-auditable/src/rustc_wrapper.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -137,12 +137,14 @@ fn rustc_command_with_audit_data(rustc_path: &OsStr) -> Option<Command> {
} else if is_wasm(&target_info) {
// We don't emit the symbol name in WASM, so nothing to do
} else {
// Unrecognized platform, assume it to be unix-like
#[allow(clippy::collapsible_else_if)]
// Unrecognized platform, assume it to be unix-like.
// Use POSIX `-u` instead of GNU `--undefined=` for broad compatibility
// (e.g. zig rejects the GNU form).
if args.bare_linker() {
command.arg("-Clink-arg=--undefined=AUDITABLE_VERSION_INFO");
command.arg("-Clink-arg=-u");
command.arg("-Clink-arg=AUDITABLE_VERSION_INFO");
} else {
command.arg("-Clink-arg=-Wl,--undefined=AUDITABLE_VERSION_INFO");
command.arg("-Clink-arg=-Wl,-u,AUDITABLE_VERSION_INFO");
}
}
Some(command)
Expand Down
Loading