Clean up compilation of Rust

recipes/rust/config.toml

@@ -9,7 +9,6 @@ docs = false
 submodules = false
 
 [rust]
-codegen-units = 0
 use-jemalloc = false
 backtrace = false
 rpath = false

recipes/rust/recipe.sh

@@ -35,7 +35,7 @@ function recipe_fetch {
 function recipe_prepare {
     rm -rf "$LLVM_PREFIX"
     mkdir -p "$LLVM_PREFIX"
-    
+
     rm -rf "$LLVM_BUILD"
     mkdir "$LLVM_BUILD"
 }
@@ -53,8 +53,7 @@ function recipe_build {
         make install
     popd
 
-    cp ../{config.toml,llvm-config} ./
-    python x.py build
+    python x.py build --config ../config.toml --jobs $(nproc)
     skip=1
 }