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-rw-r--r--src/Haddock/Options.hs4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Haddock/Options.hs b/src/Haddock/Options.hs
index 46f9def7..a362fd05 100644
--- a/src/Haddock/Options.hs
+++ b/src/Haddock/Options.hs
@@ -62,6 +62,7 @@ data Flag
| Flag_Help
| Flag_Verbosity String
| Flag_Version
+ | Flag_CompatibleInterfaceVersions
| Flag_InterfaceVersion
| Flag_UseContents String
| Flag_GenContents
@@ -131,6 +132,8 @@ options backwardsCompat =
"display this help and exit",
Option ['V'] ["version"] (NoArg Flag_Version)
"output version information and exit",
+ Option [] ["compatible-interface-versions"] (NoArg Flag_CompatibleInterfaceVersions)
+ "output compatible interface file versions and exit",
Option [] ["interface-version"] (NoArg Flag_InterfaceVersion)
"output interface file version and exit",
Option ['v'] ["verbosity"] (ReqArg Flag_Verbosity "VERBOSITY")
@@ -272,4 +275,3 @@ readIfaceArgs flags = [ parseIfaceOption s | Flag_ReadInterface s <- flags ]
optLast :: [a] -> Maybe a
optLast [] = Nothing
optLast xs = Just (last xs)
-