diff --git a/pkgs/development/libraries/haskell/hslogger-template/default.nix b/pkgs/development/libraries/haskell/hslogger-template/default.nix
new file mode 100644
index 000000000000..c08cdf3736ff
--- /dev/null
+++ b/pkgs/development/libraries/haskell/hslogger-template/default.nix
@@ -0,0 +1,12 @@
+{cabal, hslogger, mtl}:
+
+cabal.mkDerivation (self : {
+  pname = "hslogger-template";
+  version = "1.0.0";
+  sha256 = "0lnscbilzr5avi2h831kv2xhahh7pi5g054bw0sy57a1ccm2pvs1";
+  propagatedBuildInputs = [ hslogger mtl ];
+  meta = {
+    description = "Library for generating hslogger functions using Template Haskell";
+  };
+})  
+
diff --git a/pkgs/development/libraries/haskell/parsec/3.nix b/pkgs/development/libraries/haskell/parsec/3.nix
new file mode 100644
index 000000000000..23413700ad4f
--- /dev/null
+++ b/pkgs/development/libraries/haskell/parsec/3.nix
@@ -0,0 +1,12 @@
+{cabal,mtl}:
+
+cabal.mkDerivation (self : {
+  pname = "parsec";
+  version = "3.0.0"; # Haskell Platform 2009.0.0
+  sha256 = "0fqryy09y8h7z0hlayg5gpavghgwa0g3bldynwl17ks8l87ykj7a";
+  propagatedBuildInputs = [mtl];
+  meta = {
+    description = "Monadic parser combinators";
+  };
+})  
+
diff --git a/pkgs/development/libraries/haskell/terminfo/default.nix b/pkgs/development/libraries/haskell/terminfo/default.nix
index 8c12d8d94a97..fb881fb2466e 100644
--- a/pkgs/development/libraries/haskell/terminfo/default.nix
+++ b/pkgs/development/libraries/haskell/terminfo/default.nix
@@ -1,10 +1,10 @@
-{cabal, ncurses}:
+{cabal, ncurses, extensibleExceptions}:
 
 cabal.mkDerivation (self : {
   pname = "terminfo";
   version = "0.3.0.2";
   sha256 = "2303d934fcec0f6413f15887f7f42e8e2e5b27812534a929bf585bfa6f3a9229";
-  propagatedBuildInputs = [ncurses];
+  propagatedBuildInputs = [ncurses extensibleExceptions];
   meta = {
     description = "Haskell bindings for the terminfo library";
   };
diff --git a/pkgs/tools/misc/myhasktags/default.nix b/pkgs/tools/misc/myhasktags/default.nix
index d30933f0875a..9538144c45cd 100644
--- a/pkgs/tools/misc/myhasktags/default.nix
+++ b/pkgs/tools/misc/myhasktags/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   version = "0.0"; # Haskell Platform 2009.0.0
   src = fetchurl {
     url = http://mawercer.de/~nix/hasktags.hs;
-    sha256 = "9bd8ed2cfe814b40215574e3e6ac5c1741f47ad610675c85354f19ce611d2c4a";
+    sha256 = "119c4d8f1c33f5aa04b01022a089e3ea2e2b213641b25920c7732ca27fd47c83";
   };
   phases="buildPhase";
   buildPhase = ''
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 7c8ee31a509f..1a81a15268fa 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -237,6 +237,10 @@ rec {
     inherit cabal binary network;
   };
 
+  hsloggerTemplate = import ../development/libraries/haskell/hslogger-template {
+    inherit cabal hslogger mtl;
+  };
+
   html = import ../development/libraries/haskell/html {
     inherit cabal;
   };
@@ -312,6 +316,10 @@ rec {
     inherit cabal;
   };
 
+  parsec3 = import ../development/libraries/haskell/parsec/3.nix {
+    inherit cabal mtl;
+  };
+
   pcreLight = import ../development/libraries/haskell/pcre-light {
     inherit cabal;
     inherit (pkgs) pcre;
@@ -415,7 +423,7 @@ rec {
   };
 
   terminfo = import ../development/libraries/haskell/terminfo {
-    inherit cabal;
+    inherit cabal extensibleExceptions /* only required for <= ghc6102  ?*/;
     inherit (pkgs) ncurses;
   };