Rollup merge of #96086 - jsgf:remove-extern-location, r=davidtwco

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

diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml
index b82e97172614b0df6e0e29ad160973c73b07722f..7cc8b5c20339ad8cb4571ab1db886f8f37d5f597 100644 (file)
--- a/compiler/rustc_data_structures/Cargo.toml
+++ b/compiler/rustc_data_structures/Cargo.toml
@@ -9,7 +9,7 @@ doctest = false
 [dependencies]
 arrayvec = { version = "0.7", default-features = false }
 ena = "0.14"
-indexmap = { version = "1.8.0", features = ["rustc-rayon"] }
+indexmap = { version = "1.8.0" }
 tracing = "0.1"
 jobserver_crate = { version = "0.1.13", package = "jobserver" }
 rustc_serialize = { path = "../rustc_serialize" }
@@ -17,8 +17,8 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_graphviz = { path = "../rustc_graphviz" }
 cfg-if = "0.1.2"
 stable_deref_trait = "1.0.0"
-rayon = { version = "0.3.2", package = "rustc-rayon" }
-rayon-core = { version = "0.3.2", package = "rustc-rayon-core" }
+rayon = { version = "0.3.2", package = "rustc-rayon", optional = true }
+rayon-core = { version = "0.3.2", package = "rustc-rayon-core", optional = true }
 rustc-hash = "1.1.0"
 smallvec = { version = "1.6.1", features = ["const_generics", "union", "may_dangle"] }
 rustc_index = { path = "../rustc_index", package = "rustc_index" }
@@ -36,3 +36,6 @@ winapi = { version = "0.3", features = ["fileapi", "psapi", "winerror"] }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 memmap2 = "0.2.1"
+
+[features]
+rustc_use_parallel_compiler = ["indexmap/rustc-rayon", "rayon", "rayon-core"]