Cleanup some config stuff up

Author: antoyo

build_system/src/config.rs

@@ -352,30 +352,21 @@ impl ConfigInfo {
             None => return Err("no host found".to_string()),
         };
 
-        if self.target_triple.is_empty() {
-            // TODO: set target triple.
-            // TODO: why do we even need to set target_triple?
-            // It seems to only be needed for the linker (we could add an environment variable to
-            // remove this need) and the sysroot (perhaps we could find another way to find it).
-            // TODO TODO: seems like we would still need OVERWRITE_TARGET_TRIPLE when using a
-            // json spec file.
-            // ====> maybe not since we specify both --target and --target-triple.
-        }
         if self.target_triple.is_empty() {
             self.target_triple = self.host_triple.clone();
         }
         if self.target.is_empty() && !self.target_triple.is_empty() {
             self.target = self.target_triple.clone();
         }
 
-        let mut linker = None;
+        //let mut linker = None;
 
         if self.host_triple != self.target_triple {
             if self.target_triple.is_empty() {
                 return Err("Unknown non-native platform".to_string());
             }
             // TODO: check if this is still needed.
-            linker = Some(format!("-Clinker={}-gcc", self.target_triple));
+            //linker = Some(format!("-Clinker={}-gcc", self.target_triple));
             self.run_in_vm = true;
         }
 
@@ -420,9 +411,9 @@ impl ConfigInfo {
             rustflags.extend_from_slice(&split_args(test_flags)?);
         }
 
-        if let Some(linker) = linker {
-            rustflags.push(linker.to_string());
-        }
+        //if let Some(linker) = linker {
+        //rustflags.push(linker.to_string());
+        //}
 
         if self.no_default_features {
             rustflags.push("-Csymbol-mangling-version=v0".to_string());