diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs index 470a08fad23..9a8429733d1 100644 --- a/src/librustc/session/config.rs +++ b/src/librustc/session/config.rs @@ -1468,6 +1468,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, symbol_mangling_version: SymbolManglingVersion = (SymbolManglingVersion::Legacy, parse_symbol_mangling_version, [TRACKED], "which mangling version to use for symbol names"), + binary_dep_depinfo: bool = (false, parse_bool, [TRACKED], + "include artifacts (sysroot, crate dependencies) used during compilation in dep-info"), } pub fn default_lib_output() -> CrateType { diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs index 664926a152f..c88ca132184 100644 --- a/src/librustc/session/mod.rs +++ b/src/librustc/session/mod.rs @@ -545,6 +545,9 @@ impl Session { pub fn print_llvm_passes(&self) -> bool { self.opts.debugging_opts.print_llvm_passes } + pub fn binary_dep_depinfo(&self) -> bool { + self.opts.debugging_opts.binary_dep_depinfo + } /// Gets the features enabled for the current compilation session. /// DO NOT USE THIS METHOD if there is a TyCtxt available, as it circumvents diff --git a/src/librustc_interface/passes.rs b/src/librustc_interface/passes.rs index 6bf56bf8515..772395bca2b 100644 --- a/src/librustc_interface/passes.rs +++ b/src/librustc_interface/passes.rs @@ -9,6 +9,7 @@ use rustc::hir::lowering::lower_crate; use rustc::hir::def_id::{CrateNum, LOCAL_CRATE}; use rustc::lint; use rustc::middle::{self, reachable, resolve_lifetime, stability}; +use rustc::middle::cstore::CrateStore; use rustc::middle::privacy::AccessLevels; use rustc::ty::{self, AllArenas, Resolutions, TyCtxt, GlobalCtxt}; use rustc::ty::steal::Steal; @@ -657,7 +658,8 @@ fn escape_dep_filename(filename: &FileName) -> String { filename.to_string().replace(" ", "\\ ") } -fn write_out_deps(sess: &Session, outputs: &OutputFilenames, out_filenames: &[PathBuf]) { +fn write_out_deps(compiler: &Compiler, outputs: &OutputFilenames, out_filenames: &[PathBuf]) { + let sess = &compiler.sess; // Write out dependency rules to the dep-info file if requested if !sess.opts.output_types.contains_key(&OutputType::DepInfo) { return; @@ -667,13 +669,30 @@ fn write_out_deps(sess: &Session, outputs: &OutputFilenames, out_filenames: &[Pa let result = (|| -> io::Result<()> { // Build a list of files used to compile the output and // write Makefile-compatible dependency rules - let files: Vec = sess.source_map() + let mut files: Vec = sess.source_map() .files() .iter() .filter(|fmap| fmap.is_real_file()) .filter(|fmap| !fmap.is_imported()) .map(|fmap| escape_dep_filename(&fmap.name)) .collect(); + + if sess.binary_dep_depinfo() { + for cnum in compiler.cstore.crates_untracked() { + let metadata = compiler.cstore.crate_data_as_rc_any(cnum); + let metadata = metadata.downcast_ref::().unwrap(); + if let Some((path, _)) = &metadata.source.dylib { + files.push(escape_dep_filename(&FileName::Real(path.clone()))); + } + if let Some((path, _)) = &metadata.source.rlib { + files.push(escape_dep_filename(&FileName::Real(path.clone()))); + } + if let Some((path, _)) = &metadata.source.rmeta { + files.push(escape_dep_filename(&FileName::Real(path.clone()))); + } + } + } + let mut file = fs::File::create(&deps_filename)?; for path in out_filenames { writeln!(file, "{}: {}\n", path.display(), files.join(" "))?; @@ -750,7 +769,7 @@ pub fn prepare_outputs( } } - write_out_deps(sess, &outputs, &output_paths); + write_out_deps(compiler, &outputs, &output_paths); let only_dep_info = sess.opts.output_types.contains_key(&OutputType::DepInfo) && sess.opts.output_types.len() == 1;