Move builtin attribute logic to new rustc_attr crate.

For now, this is all the crate contains, but more
attribute logic & types will be moved there over time.

3 files changed, 3 insertions, 2 deletions

diff --git a/src/librustc_codegen_ssa/Cargo.toml b/src/librustc_codegen_ssa/Cargo.toml
index 9f8b4e72a9c..8d767e5c2a0 100644
--- a/src/librustc_codegen_ssa/Cargo.toml
+++ b/src/librustc_codegen_ssa/Cargo.toml
@@ -24,6 +24,7 @@ syntax = { path = "../libsyntax" }
 rustc_span = { path = "../librustc_span" }
 rustc = { path = "../librustc" }
 rustc_apfloat = { path = "../librustc_apfloat" }
+rustc_attr = { path = "../librustc_attr" }
 rustc_codegen_utils = { path = "../librustc_codegen_utils" }
 rustc_data_structures = { path = "../librustc_data_structures"}
 rustc_errors = { path = "../librustc_errors" }
diff --git a/src/librustc_codegen_ssa/back/link.rs b/src/librustc_codegen_ssa/back/link.rs
index f56a4170c0a..71920020091 100644
--- a/src/librustc_codegen_ssa/back/link.rs
+++ b/src/librustc_codegen_ssa/back/link.rs
@@ -1719,7 +1719,7 @@ pub fn add_upstream_native_libraries(
 
 pub fn relevant_lib(sess: &Session, lib: &NativeLibrary) -> bool {
     match lib.cfg {
-        Some(ref cfg) => syntax::attr::cfg_matches(cfg, &sess.parse_sess, None),
+        Some(ref cfg) => rustc_attr::cfg_matches(cfg, &sess.parse_sess, None),
         None => true,
     }
 }
diff --git a/src/librustc_codegen_ssa/base.rs b/src/librustc_codegen_ssa/base.rs
index efd56007120..1f43a4027c5 100644
--- a/src/librustc_codegen_ssa/base.rs
+++ b/src/librustc_codegen_ssa/base.rs
@@ -37,6 +37,7 @@ use rustc::ty::layout::{self, Align, HasTyCtxt, LayoutOf, TyLayout, VariantIdx};
 use rustc::ty::layout::{FAT_PTR_ADDR, FAT_PTR_EXTRA};
 use rustc::ty::query::Providers;
 use rustc::ty::{self, Instance, Ty, TyCtxt};
+use rustc_attr as attr;
 use rustc_codegen_utils::{check_for_rustc_errors_attr, symbol_names_test};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::profiling::print_time_passes_entry;
@@ -46,7 +47,6 @@ use rustc_hir::def_id::{DefId, LOCAL_CRATE};
 use rustc_index::vec::Idx;
 use rustc_session::cgu_reuse_tracker::CguReuse;
 use rustc_span::Span;
-use syntax::attr;
 
 use std::cmp;
 use std::ops::{Deref, DerefMut};