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use target-specific linker args when combining compilation units

This commit is contained in:
Stuart Pernsteiner 2014-08-26 15:53:56 -07:00
parent 4b70269854
commit b5a0b700c6
1 changed files with 19 additions and 2 deletions
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21
src/librustc/back/write.rs
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@ -604,17 +604,34 @@ pub fn run_passes(sess: &Session,
}; };
let link_obj = |output_path: &Path| { let link_obj = |output_path: &Path| {
let mut cmd = Command::new("ld"); let pname = get_cc_prog(sess);
let mut cmd = Command::new(pname.as_slice());
cmd.args(sess.targ_cfg.target_strs.cc_args.as_slice());
cmd.arg("-nostdlib");
for index in range(0, trans.modules.len()) { for index in range(0, trans.modules.len()) {
cmd.arg(crate_output.with_extension(format!("{}.o", index).as_slice())); cmd.arg(crate_output.with_extension(format!("{}.o", index).as_slice()));
} }
cmd.arg("-r").arg("-o").arg(output_path); cmd.arg("-r").arg("-o").arg(output_path);
if (sess.opts.debugging_opts & config::PRINT_LINK_ARGS) != 0 {
println!("{}", &cmd);
}
cmd.stdin(::std::io::process::Ignored) cmd.stdin(::std::io::process::Ignored)
.stdout(::std::io::process::InheritFd(1)) .stdout(::std::io::process::InheritFd(1))
.stderr(::std::io::process::InheritFd(2)); .stderr(::std::io::process::InheritFd(2));
cmd.status().unwrap(); match cmd.status() {
Ok(_) => {},
Err(e) => {
sess.err(format!("could not exec the linker `{}`: {}",
pname,
e).as_slice());
sess.abort_if_errors();
},
}
}; };
// Flag to indicate whether the user explicitly requested bitcode. // Flag to indicate whether the user explicitly requested bitcode.