Simplify binding finalization.

[rust.git] / compiler / rustc_query_impl / Cargo.toml

diff --git a/compiler/rustc_query_impl/Cargo.toml b/compiler/rustc_query_impl/Cargo.toml
index f1899a6fb2b07488338b77e27a86757d01775b72..b7502c4b1e23b2d39b7b806c0cf61263ccd0b54d 100644 (file)
--- a/compiler/rustc_query_impl/Cargo.toml
+++ b/compiler/rustc_query_impl/Cargo.toml
@@ -8,7 +8,7 @@ doctest = false
 
 [dependencies]
 measureme = "10.0.0"
-rustc-rayon-core = "0.3.2"
+rustc-rayon-core = { version = "0.3.2", optional = true }
 rustc_ast = { path = "../rustc_ast" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
@@ -20,3 +20,6 @@ rustc_query_system = { path = "../rustc_query_system" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
+
+[features]
+rustc_use_parallel_compiler = ["rustc-rayon-core", "rustc_query_system/rustc_use_parallel_compiler"]