Distribution.Simple.Configure

This deals with the configure phase. It provides the configure action which is given the package description and configure flags. It then tries to: configure the compiler; resolves any conditionals in the package description; resolve the package dependencies; check if all the extensions used by this package are supported by the compiler; check that all the build tools are available (including version checks if appropriate); checks for any required pkg-config packages (updating the BuildInfo with the results)

Then based on all this it saves the info in the LocalBuildInfo and writes it out to the dist/setup-config file. It also displays various details to the user, the amount of information displayed depending on the verbosity level.

Documentation

configure :: (GenericPackageDescription, HookedBuildInfo) -> ConfigFlags -> IO LocalBuildInfo

Perform the "./setup configure" action. Returns the .setup-config file.

writePersistBuildConfig :: FilePath -> LocalBuildInfo -> IO ()

After running configure, output the LocalBuildInfo to the localBuildInfoFile.

getPersistBuildConfig :: FilePath -> IO LocalBuildInfo

Read the localBuildInfoFile. Error if it doesn't exist. Also fail if the file containing LocalBuildInfo is older than the .cabal file, indicating that a re-configure is required.

checkPersistBuildConfigOutdated :: FilePath -> FilePath -> IO Bool

Check that localBuildInfoFile is up-to-date with respect to the .cabal file.

maybeGetPersistBuildConfig :: FilePath -> IO (Maybe LocalBuildInfo)

Try to read the localBuildInfoFile.

localBuildInfoFile :: FilePath -> FilePath

dist/setup-config

getInstalledPackages :: Verbosity -> Compiler -> PackageDBStack -> ProgramConfiguration -> IO PackageIndex

configCompiler :: Maybe CompilerFlavor -> Maybe FilePath -> Maybe FilePath -> ProgramConfiguration -> Verbosity -> IO (Compiler, ProgramConfiguration)

configCompilerAux :: ConfigFlags -> IO (Compiler, ProgramConfiguration)

ccLdOptionsBuildInfo :: [String] -> [String] -> BuildInfo

Makes a BuildInfo from C compiler and linker flags.

This can be used with the output from configuration programs like pkg-config and similar package-specific programs like mysql-config, freealut-config etc. For example:

 ccflags <- rawSystemProgramStdoutConf verbosity prog conf ["--cflags"]
 ldflags <- rawSystemProgramStdoutConf verbosity prog conf ["--libs"]
 return (ccldOptionsBuildInfo (words ccflags) (words ldflags))

tryGetConfigStateFile :: Read a => FilePath -> IO (Either String a)

checkForeignDeps :: PackageDescription -> LocalBuildInfo -> Verbosity -> IO ()

interpretPackageDbFlags :: Bool -> [Maybe PackageDB] -> PackageDBStack

The user interface specifies the package dbs to use with a combination of --global, --user and --package-db=global|user|clear|$file. This function combines the global/user flag and interprets the package-db flag into a single package db stack.