Merge pull request #81 from tmcdonell/fix/aarch64

Build fix for linux/aarch64

Author: tomsmeding

Setup.hs

@@ -223,11 +223,12 @@ cudaLibraryPaths (Platform arch os) installPath = [ installPath </> path | path
   where
     libpaths =
       case (os, arch) of
-        (Windows, I386)   -> ["lib/Win32"]
-        (Windows, X86_64) -> ["lib/x64"]
-        (OSX,     _)      -> ["lib"]    -- MacOS does not distinguish 32- vs. 64-bit paths
-        (_,       X86_64) -> ["lib64", "lib"]  -- prefer lib64 for 64-bit systems
-        _                 -> ["lib"]
+        (Windows, I386)    -> ["lib/Win32"]
+        (Windows, X86_64)  -> ["lib/x64"]
+        (OSX,     _)       -> ["lib"]    -- MacOS does not distinguish 32- vs. 64-bit paths
+        (_,       X86_64)  -> ["lib64", "lib"]  -- prefer lib64 for 64-bit systems
+        (_,       AArch64) -> ["lib64", "lib"]
+        _                  -> ["lib"]           -- otherwise
 
 
 -- On Windows and OSX we use different libraries depending on whether we are