mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-15 09:03:48 +00:00
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
|
diff -Naur ghc-paths-0.1.0.9/GHC/Paths.hs ghc-paths-0.1.0.9-new/GHC/Paths.hs
|
||
|
|
--- ghc-paths-0.1.0.9/GHC/Paths.hs 2012-12-16 13:53:45.720148396 +0100
|
||
|
|
+++ ghc-paths-0.1.0.9-new/GHC/Paths.hs 2012-12-16 13:51:50.073070123 +0100
|
||
|
|
@@ -4,10 +4,24 @@
|
||
|
|
ghc, ghc_pkg, libdir, docdir
|
||
|
|
) where
|
||
|
|
|
||
|
|
+import Data.Maybe
|
||
|
|
+import System.Environment
|
||
|
|
+import System.IO.Unsafe
|
||
|
|
+
|
||
|
|
+nixLibdir, nixDocdir, nixGhc, nixGhcPkg :: Maybe FilePath
|
||
|
|
+nixLibdir = unsafePerformIO (lookupEnv "NIX_GHC_LIBDIR")
|
||
|
|
+nixDocdir = unsafePerformIO (lookupEnv "NIX_GHC_DOCDIR")
|
||
|
|
+nixGhc = unsafePerformIO (lookupEnv "NIX_GHC")
|
||
|
|
+nixGhcPkg = unsafePerformIO (lookupEnv "NIX_GHCPKG")
|
||
|
|
+{-# NOINLINE nixLibdir #-}
|
||
|
|
+{-# NOINLINE nixDocdir #-}
|
||
|
|
+{-# NOINLINE nixGhc #-}
|
||
|
|
+{-# NOINLINE nixGhcPkg #-}
|
||
|
|
+
|
||
|
|
libdir, docdir, ghc, ghc_pkg :: FilePath
|
||
|
|
|
||
|
|
-libdir = GHC_PATHS_LIBDIR
|
||
|
|
-docdir = GHC_PATHS_DOCDIR
|
||
|
|
+libdir = fromMaybe GHC_PATHS_LIBDIR nixLibdir
|
||
|
|
+docdir = fromMaybe GHC_PATHS_DOCDIR nixDocdir
|
||
|
|
|
||
|
|
-ghc = GHC_PATHS_GHC
|
||
|
|
-ghc_pkg = GHC_PATHS_GHC_PKG
|
||
|
|
+ghc = fromMaybe GHC_PATHS_GHC nixGhc
|
||
|
|
+ghc_pkg = fromMaybe GHC_PATHS_GHC_PKG nixGhcPkg
|