diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5dd337..5e7aedb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,7 @@ option(SERENE_ENABLE_THINLTO "Enable ThisLTO." ON)
 option(SERENE_ENABLE_DOCS "Enable document generation" OFF)
 option(SERENE_ENABLE_TIDY "Enable clang tidy check" OFF)
 option(SERENE_DISABLE_CCACHE "Disable automatic ccache integration" OFF)
+option(SERENE_ENABLE_DEVTOOLS "Enable the devtools build" OFF)
 
 # libserene
 option(SERENE_SHARED_LIB "Build libserene as a shared library" ON)
@@ -242,6 +243,8 @@ if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
   # The compiled library code is here
   add_subdirectory(libserene)
 
+  add_subdirectory(devtools)
+
 
   if (SERENE_ENABLE_DOCS)
     add_subdirectory(docs)
diff --git a/libserene/include/serene/slir/dialect.td b/libserene/include/serene/slir/dialect.td
index 09fae45..43d03ae 100644
--- a/libserene/include/serene/slir/dialect.td
+++ b/libserene/include/serene/slir/dialect.td
@@ -4,6 +4,7 @@
 include "mlir/IR/OpBase.td"
 include "mlir/IR/OpAsmInterface.td"
 include "mlir/IR/SymbolInterfaces.td"
+include "mlir/IR/AttrTypeBase.td"
 include "mlir/Interfaces/SideEffectInterfaces.td"
 include "mlir/Interfaces/CallInterfaces.td"
 include "mlir/Interfaces/CastInterfaces.td"
@@ -22,7 +23,12 @@ def Serene_Dialect : Dialect {
         This dialect tries to map the special forms of a lisp into
         IR level operations.
     }];
+
+    // All the types have to define a mnemonic
     let useDefaultTypePrinterParser = 1;
+
+    // All the attributes have to define a mnemonic
+    let useDefaultAttributePrinterParser = 1;
 }
 
 // Base class for Serene dialect operations. This operation inherits from the base
@@ -33,7 +39,7 @@ def Serene_Dialect : Dialect {
 class Serene_Op<string mnemonic, list<Trait> traits = []> :
     Op<Serene_Dialect, mnemonic, traits>;
 
-
+// TODO: break up the types into their own file
 // All of the types will extend this class.
 class Serene_Type<string name> : TypeDef<Serene_Dialect, name> { }
 
@@ -52,8 +58,6 @@ def SereneSymbol : Serene_Type<"Symbol"> {
 }
 
 
-
-
 def ValueOp: Serene_Op<"value"> {
 
     let summary = "This operation represent a value";