Add stage options

elna.cabal

@@ -16,6 +16,7 @@ common warnings
     build-depends:
         base >=4.7 && <5,
         bytestring ^>= 0.12.1,
+        filepath ^>= 1.5.3,
         megaparsec ^>= 9.6,
         optparse-applicative ^>= 0.18.1,
         vector ^>= 0.13.1,
@@ -36,7 +37,8 @@ library elna-internal
         Language.Elna.Architecture.RiscV
         Language.Elna.Backend.Allocator
         Language.Elna.Backend.Intermediate
-        Language.Elna.CommandLine
+        Language.Elna.Driver
+        Language.Elna.Driver.CommandLine
         Language.Elna.Frontend.AST
         Language.Elna.Frontend.NameAnalysis
         Language.Elna.Frontend.Parser
@@ -62,8 +64,7 @@ executable elna
     import: warnings
     main-is: Main.hs
     build-depends:
-        elna:elna-internal,
-        filepath ^>= 1.5.3
+        elna:elna-internal
     hs-source-dirs: src
 
 test-suite elna-test