Warn about unrecognised pragmas; these often mean we've typoed

[ghc-hetmet.git] / compiler / main / DynFlags.hs

diff --git a/compiler/main/DynFlags.hs b/compiler/main/DynFlags.hs
index 1449187..3bb7c1c 100644 (file)
--- a/compiler/main/DynFlags.hs
+++ b/compiler/main/DynFlags.hs
@@ -174,6 +174,7 @@ data DynFlag
    | Opt_WarnDodgyImports
    | Opt_WarnOrphans
    | Opt_WarnTabs
+   | Opt_WarnUnrecognisedPragmas
    | Opt_WarnDodgyForeignImports
 
    -- language opts
@@ -793,6 +794,7 @@ standardWarnings :: [DynFlag]
 standardWarnings
     = [ Opt_WarnWarningsDeprecations,
         Opt_WarnDeprecatedFlags,
+        Opt_WarnUnrecognisedPragmas,
         Opt_WarnOverlappingPatterns,
         Opt_WarnMissingFields,
         Opt_WarnMissingMethods,
@@ -828,6 +830,7 @@ minuswRemovesOpts
        Opt_WarnIncompletePatternsRecUpd,
        Opt_WarnSimplePatterns,
        Opt_WarnMonomorphism,
+       Opt_WarnUnrecognisedPragmas,
        Opt_WarnTabs
       ]
 
@@ -1106,15 +1109,24 @@ dynamic_flags = [
          Supported
 
         -------- ghc -M -----------------------------------------------------
-  , Flag "optdep-s"                 (HasArg (upd . addDepSuffix)) Supported
-  , Flag "optdep-f"                 (HasArg (upd . setDepMakefile)) Supported
+  , Flag "dep-suffix"               (HasArg (upd . addDepSuffix)) Supported
+  , Flag "optdep-s"                 (HasArg (upd . addDepSuffix))
+         (Deprecated "Use -dep-suffix instead")
+  , Flag "dep-makefile"             (HasArg (upd . setDepMakefile)) Supported
+  , Flag "optdep-f"                 (HasArg (upd . setDepMakefile))
+         (Deprecated "Use -dep-makefile instead")
   , Flag "optdep-w"                 (NoArg  (upd (setDepWarnings False)))
          (Deprecated "-optdep-w doesn't do anything")
+  , Flag "include-pkg-deps" (NoArg  (upd (setDepIncludePkgDeps True))) Supported
   , Flag "optdep--include-prelude"  (NoArg  (upd (setDepIncludePkgDeps True)))
-         (Deprecated "Use -optdep--include-pkg-deps instead")
-  , Flag "optdep--include-pkg-deps" (NoArg  (upd (setDepIncludePkgDeps True))) Supported
-  , Flag "optdep--exclude-module"   (HasArg (upd . addDepExcludeMod)) Supported
-  , Flag "optdep-x"                 (HasArg (upd . addDepExcludeMod)) Supported
+         (Deprecated "Use -include-pkg-deps instead")
+  , Flag "optdep--include-pkg-deps" (NoArg  (upd (setDepIncludePkgDeps True)))
+         (Deprecated "Use -include-pkg-deps instead")
+  , Flag "exclude-module"           (HasArg (upd . addDepExcludeMod)) Supported
+  , Flag "optdep--exclude-module"   (HasArg (upd . addDepExcludeMod))
+         (Deprecated "Use -exclude-module instead")
+  , Flag "optdep-x"                 (HasArg (upd . addDepExcludeMod))
+         (Deprecated "Use -exclude-module instead")
 
         -------- Linking ----------------------------------------------------
   , Flag "c"              (NoArg (upd $ \d -> d{ ghcLink=NoLink } ))
@@ -1456,6 +1468,7 @@ fFlags = [
   ( "warn-deprecated-flags",            Opt_WarnDeprecatedFlags, const Supported ),
   ( "warn-orphans",                     Opt_WarnOrphans, const Supported ),
   ( "warn-tabs",                        Opt_WarnTabs, const Supported ),
+  ( "warn-unrecognised-pragmas",        Opt_WarnUnrecognisedPragmas, const Supported ),
   ( "print-explicit-foralls",           Opt_PrintExplicitForalls, const Supported ),
   ( "strictness",                       Opt_Strictness, const Supported ),
   ( "static-argument-transformation",   Opt_StaticArgumentTransformation, const Supported ),