gnu: Add ghc-language-c.

* gnu/packages/haskell.scm (ghc-language-c): New variable.

gnu/packages/haskell.scm

@@ -8129,4 +8129,31 @@ for general types.")
 dependency.")
     (license license:bsd-3)))
 
+(define-public ghc-language-c
+  (package
+   (name "ghc-language-c")
+   (version "0.5.0")
+   (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+              "https://hackage.haskell.org/package/language-c/language-c-"
+              version
+              ".tar.gz"))
+       (sha256
+         (base32
+           "08i2bl7jmmymn2sldzlbz6ig7lx3wfwhlpadzibs3fx72z08pmc6"))))
+   (build-system haskell-build-system)
+   (inputs `(("ghc-syb" ,ghc-syb)))
+   (native-inputs
+     `(("ghc-happy" ,ghc-happy)
+       ("ghc-alex" ,ghc-alex)))
+   (home-page "http://visq.github.io/language-c/")
+   (synopsis "Analysis and generation of C code")
+   (description
+     "Language C is a haskell library for the analysis and generation of C code.
+It features a complete, well tested parser and pretty printer for all of C99
+and a large set of GNU extensions.")
+   (license license:bsd-3)))
+
 ;;; haskell.scm ends here