CabalCargs.CondVars

Documentation

data CondVars

The conditional variables that are used to resolve the conditionals inside of the cabal file. Holds the enable state of the cabal flags and the used OS and ARCH.

Constructors

CondVars

Fields

flags :: FlagMap

initialized with the default flag values which are accordingly modified by the explicitely given flag values by the user

os :: OS

the used OS, by default the one cabal was build on or given explicitely by the user

arch :: Arch

the used ARCH, by default the one cabal was build on or given explicitely by the user

Instances

Show CondVars

fromDefaults :: GenericPackageDescription -> CondVars

Create a CondVars from the default flags of the cabal package description. The os and arch fields are initialized by the ones the cabal library was build on.

enableFlag :: FlagName -> CondVars -> CondVars

Enable the given flag in CondVars.

disableFlag :: FlagName -> CondVars -> CondVars

Disable the given flag in CondVars.

eval :: CondVars -> Condition ConfVar -> Bool

Evaluate the Condition using the CondVars.