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Support linking from a .rlink file

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Flag `-Z no-link` was previously introduced, which allows creating
an `.rlink` file to perform compilation without linking.
This change enables linking from an `.rlink` file.
This commit is contained in:
Victor Ding 2020-01-23 21:48:48 +11:00
parent fc07615c49
commit a47fdb99c0
7 changed files with 57 additions and 8 deletions
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4
src/librustc_codegen_llvm/lib.rs
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@ -39,7 +39,7 @@ use syntax::expand::allocator::AllocatorKind;
use rustc::dep_graph::DepGraph;
use rustc::middle::cstore::{EncodedMetadata, MetadataLoaderDyn};
use rustc::session::config::{OptLevel, OutputFilenames, PrintRequest};
use rustc::session::config::{self, OptLevel, OutputFilenames, PrintRequest};
use rustc::session::Session;
use rustc::ty::{self, TyCtxt};
use rustc::util::common::ErrorReported;
@ -308,7 +308,7 @@ impl CodegenBackend for LlvmCodegenBackend {
let rlink_data = json::encode(&codegen_results).map_err(|err| {
sess.fatal(&format!("failed to encode rlink: {}", err));
})?;
let rlink_file = outputs.with_extension("rlink");
let rlink_file = outputs.with_extension(config::RLINK_EXT);
fs::write(&rlink_file, rlink_data).map_err(|err| {
sess.fatal(&format!("failed to write file {}: {}", rlink_file.display(), err));
})?;