scons: Enable -Wextra by default

Make best use of the compiler, and enable -Wextra as well as
-Wall. There are a few issues that had to be resolved, but they are
all trivial.

1 files changed, 5 insertions, 5 deletions

diff --git a/src/mem/ruby/structures/RubyMemoryControl.hh b/src/mem/ruby/structures/RubyMemoryControl.hh
index cd777f5e7..601c4d1a2 100644
--- a/src/mem/ruby/structures/RubyMemoryControl.hh
+++ b/src/mem/ruby/structures/RubyMemoryControl.hh
@@ -75,12 +75,12 @@ class RubyMemoryControl : public AbstractMemory, public Consumer
     void print(std::ostream& out) const override;
     void regStats() override;
 
-    const int getBank(const Addr addr) const;
-    const int getRank(const Addr addr) const;
+    int getBank(const Addr addr) const;
+    int getRank(const Addr addr) const;
 
     // not used in Ruby memory controller
-    const int getChannel(const Addr addr) const;
-    const int getRow(const Addr addr) const;
+    int getChannel(const Addr addr) const;
+    int getRow(const Addr addr) const;
 
     //added by SS
     int getBanksPerRank() { return m_banks_per_rank; };
@@ -92,7 +92,7 @@ class RubyMemoryControl : public AbstractMemory, public Consumer
 
   private:
     void enqueueToDirectory(MemoryNode *req, Cycles latency);
-    const int getRank(int bank) const;
+    int getRank(int bank) const;
     bool queueReady(int bank);
     void issueRequest(int bank);
     bool issueRefresh(int bank);