Add rake task to build a cross toolchain

elna.cabal

@@ -17,7 +17,9 @@ extra-doc-files: TODO README
 common warnings
     build-depends:
         base >=4.7 && <5,
+        bytestring ^>= 0.12.1,
         megaparsec ^>= 9.6,
+        vector ^>= 0.13.1,
         text ^>= 2.0
     ghc-options: -Wall
     default-extensions:
@@ -25,6 +27,7 @@ common warnings
         ExplicitForAll,
         LambdaCase,
         OverloadedStrings,
+        DuplicateRecordFields,
         RecordWildCards
     default-language: GHC2021
 
@@ -36,6 +39,7 @@ library elna-internal
         Language.Elna.Intermediate
         Language.Elna.Location
         Language.Elna.NameAnalysis
+        Language.Elna.Object.Elf
         Language.Elna.Parser
         Language.Elna.SymbolTable
         Language.Elna.TypeAnalysis
@@ -45,7 +49,6 @@ library elna-internal
         hashable ^>= 1.4.3,
         parser-combinators ^>= 1.3,
         transformers ^>= 0.6.1,
-        vector ^>= 0.13.1,
         unordered-containers ^>= 0.2.20
     hs-source-dirs: lib