fix rustflags being concatenated without spaces between them

rust-lang · Oct 9, 2019 · e2cf6f2 · e2cf6f2
1 parent 0f58781
commit e2cf6f2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/docbuilder/rustwide_builder.rs b/src/docbuilder/rustwide_builder.rs
@@ -398,7 +398,7 @@ impl RustwideBuilder {
                     "RUSTFLAGS",
                     metadata
                         .rustc_args
-                        .map(|args| args.join(""))
+                        .map(|args| args.join(" "))
                         .unwrap_or("".to_owned()),
                 )
                 .env("RUSTDOCFLAGS", rustdoc_flags.join(" "))