git.iko.soy/Idris-dev
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Idris-dev/src/IRTS/System.hs
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1{-|
2Module : IRTS.System
3Description : Utilities for interacting with the System.
4Copyright :
5License : BSD3
6Maintainer : The Idris Community.
7-}
8{-# LANGUAGE CPP #-}
9module IRTS.System( getDataFileName
10 , getCC
11 , getLibFlags
12 , getIdrisDataDir
13 , getIdrisLibDir
14 , getIdrisDocDir
15 , getIdrisCRTSDir
16 , getIdrisJSRTSDir
17 , getIncFlags
18 , getEnvFlags
19 , version
20 ) where
22#ifdef FREESTANDING
23import Paths_idris (version)
24import Target_idris
25#else
26import Paths_idris
27#endif
29import Control.Applicative ((<$>))
30import Data.List.Split
31import Data.Maybe (fromMaybe)
32import System.Environment
33import System.FilePath (addTrailingPathSeparator, (</>))
36getIdrisDataDir :: IO String
37getIdrisDataDir = do
38 envValue <- lookupEnv "TARGET"
39 case envValue of
40 Nothing -> do
41 ddir <- getDataDir
42 return ddir
43 Just ddir -> return ddir
45overrideIdrisSubDirWith :: String -- ^ Sub directory in `getDataDir` location.
46 -> String -- ^ Environment variable to get new location from.
47 -> IO FilePath
48overrideIdrisSubDirWith fp envVar = do
49 envValue <- lookupEnv envVar
50 case envValue of
51 Nothing -> do
52 ddir <- getIdrisDataDir
53 return (ddir </> fp)
54 Just ddir -> return ddir
56getCC :: IO String
57getCC = fromMaybe "gcc" <$> lookupEnv "IDRIS_CC"
59getEnvFlags :: IO [String]
60getEnvFlags = maybe [] (splitOn " ") <$> lookupEnv "IDRIS_CFLAGS"
63#if defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS)\
64 || defined(openbsd_HOST_OS) || defined(netbsd_HOST_OS)
65extraLib = ["-L/usr/local/lib"]
66extraInclude = ["-I/usr/local/include"]
67#else
68extraLib = []
69extraInclude = []
70#endif
72#ifdef IDRIS_GMP
73gmpLib = ["-lgmp"]
74#else
75gmpLib = []
76#endif
78getLibFlags = do dir <- getIdrisCRTSDir
79 return $ ["-L" ++ dir,
80 "-lidris_rts"] ++ extraLib ++ gmpLib ++ ["-lpthread"]
82getIdrisLibDir = addTrailingPathSeparator <$> overrideIdrisSubDirWith "libs" "IDRIS_LIBRARY_PATH"
84getIdrisDocDir = addTrailingPathSeparator <$> overrideIdrisSubDirWith "docs" "IDRIS_DOC_PATH"
86getIdrisJSRTSDir = do
87 ddir <- getIdrisDataDir
88 return $ addTrailingPathSeparator (ddir </> "jsrts")
90getIdrisCRTSDir = do
91 ddir <- getIdrisDataDir
92 return $ addTrailingPathSeparator (ddir </> "rts")
94getIncFlags = do dir <- getIdrisCRTSDir
95 return $ ("-I" ++ dir) : extraInclude