Merge pull request #105 from phadej/ghc-8.0-doctests

Ghc 8.0 doctests

linear.cabal

@@ -13,7 +13,7 @@ copyright:     Copyright (C) 2012-2015 Edward A. Kmett
 synopsis:      Linear Algebra
 description:   Types and combinators for linear algebra on free vector spaces
 build-type:    Custom
-tested-with:   GHC == 7.4.2, GHC == 7.6.1, GHC == 7.8.4, GHC == 7.10.1
+tested-with:   GHC == 7.4.2, GHC == 7.6.1, GHC == 7.8.4, GHC == 7.10.1, GHC==8.0.1
 extra-source-files:
   .gitignore
   .travis.yml
@@ -107,18 +107,15 @@ library
 test-suite doctests
   type:           exitcode-stdio-1.0
   main-is:        doctests.hs
-  if impl(ghc >= 8)
-    buildable: False
-  else
-    ghc-options:    -Wall -threaded
-    hs-source-dirs: tests
-    build-depends:
-      base,
-      directory >= 1.0 && < 1.3,
-      doctest   >= 0.8 && < 0.11,
-      filepath  >= 1.3 && < 1.5,
-      lens,
-      simple-reflect >= 0.3.1
+  ghc-options:    -Wall -threaded
+  hs-source-dirs: tests
+  build-depends:
+    base,
+    directory >= 1.0 && < 1.3,
+    doctest   >= 0.8 && < 0.12,
+    filepath  >= 1.3 && < 1.5,
+    lens,
+    simple-reflect >= 0.3.1
 
 test-suite UnitTests
   type:           exitcode-stdio-1.0