X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_query_impl%2FCargo.toml;h=b7502c4b1e23b2d39b7b806c0cf61263ccd0b54d;hb=eb7f5673d9992b1dccc1bc97460267e630fc4ca0;hp=f1899a6fb2b07488338b77e27a86757d01775b72;hpb=9d23c320e43b3d4e2ea0761fb56368bdd9109ed4;p=rust.git

diff --git a/compiler/rustc_query_impl/Cargo.toml b/compiler/rustc_query_impl/Cargo.toml
index f1899a6fb2b..b7502c4b1e2 100644
--- 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"]