diff --git a/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix b/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix
new file mode 100644
index 000000000000..59280505fb6b
--- /dev/null
+++ b/pkgs/development/haskell-modules/configuration-ghc-6.12.x.nix
@@ -0,0 +1,60 @@
+{ pkgs }:
+
+with import ./lib.nix { inherit pkgs; };
+
+self: super: {
+
+  # Disable GHC 6.12.x core libraries.
+  array = null;
+  base = null;
+  bin-package-db = null;
+  bytestring = null;
+  Cabal = null;
+  containers = null;
+  directory = null;
+  dph-base = null;
+  dph-par = null;
+  dph-prim-interface = null;
+  dph-prim-par = null;
+  dph-prim-seq = null;
+  dph-seq = null;
+  extensible-exceptions = null;
+  ffi = null;
+  filepath = null;
+  ghc-binary = null;
+  ghc-prim = null;
+  haskell98 = null;
+  hpc = null;
+  integer-gmp = null;
+  old-locale = null;
+  old-time = null;
+  pretty = null;
+  process = null;
+  random = null;
+  rts = null;
+  syb = null;
+  template-haskell = null;
+  time = null;
+  unix = null;
+
+  # binary is not a core library for this compiler.
+  binary = self.binary_0_7_2_3;
+
+  # deepseq is not a core library for this compiler.
+  deepseq = self.deepseq_1_4_0_0;
+
+  # transformers is not a core library for this compiler.
+  transformers = self.transformers_0_4_2_0;
+  mtl = self.mtl_2_2_1;
+  transformers-compat = disableCabalFlag super.transformers-compat "three";
+
+  # https://github.com/tibbe/hashable/issues/85
+  hashable = dontCheck super.hashable;
+
+  # Needs Cabal >= 1.18.x.
+  jailbreak-cabal = super.jailbreak-cabal.override { Cabal = self.Cabal_1_18_1_6; };
+
+  # Haddock chokes on the prologue from the cabal file.
+  ChasingBottoms = dontHaddock super.ChasingBottoms;
+
+}
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix
new file mode 100644
index 000000000000..bd8b09d040d7
--- /dev/null
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.0.x.nix
@@ -0,0 +1,54 @@
+{ pkgs }:
+
+with import ./lib.nix { inherit pkgs; };
+
+self: super: {
+
+  # Disable GHC 7.0.x core libraries.
+  array = null;
+  base = null;
+  bin-package-db = null;
+  bytestring = null;
+  Cabal = null;
+  containers = null;
+  directory = null;
+  extensible-exceptions = null;
+  ffi = null;
+  filepath = null;
+  ghc-binary = null;
+  ghc-prim = null;
+  haskell2010 = null;
+  haskell98 = null;
+  hpc = null;
+  integer-gmp = null;
+  old-locale = null;
+  old-time = null;
+  pretty = null;
+  process = null;
+  random = null;
+  rts = null;
+  template-haskell = null;
+  time = null;
+  unix = null;
+
+  # binary is not a core library for this compiler.
+  binary = self.binary_0_7_2_3;
+
+  # deepseq is not a core library for this compiler.
+  deepseq = self.deepseq_1_4_0_0;
+
+  # transformers is not a core library for this compiler.
+  transformers = self.transformers_0_4_2_0;
+  mtl = self.mtl_2_2_1;
+  transformers-compat = disableCabalFlag super.transformers-compat "three";
+
+  # https://github.com/tibbe/hashable/issues/85
+  hashable = dontCheck super.hashable;
+
+  # Needs Cabal >= 1.18.x.
+  jailbreak-cabal = super.jailbreak-cabal.override { Cabal = self.Cabal_1_18_1_6; };
+
+  # Haddock chokes on the prologue from the cabal file.
+  ChasingBottoms = dontHaddock super.ChasingBottoms;
+
+}
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
new file mode 100644
index 000000000000..d35285dea408
--- /dev/null
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
@@ -0,0 +1,54 @@
+{ pkgs }:
+
+with import ./lib.nix { inherit pkgs; };
+
+self: super: {
+
+  # Disable GHC 7.2.x core libraries.
+  array = null;
+  base = null;
+  binary = null;
+  bin-package-db = null;
+  bytestring = null;
+  Cabal = null;
+  containers = null;
+  directory = null;
+  extensible-exceptions = null;
+  ffi = null;
+  filepath = null;
+  ghc-prim = null;
+  haskell2010 = null;
+  haskell98 = null;
+  hoopl = null;
+  hpc = null;
+  integer-gmp = null;
+  old-locale = null;
+  old-time = null;
+  pretty = null;
+  process = null;
+  rts = null;
+  template-haskell = null;
+  time = null;
+  unix = null;
+
+  # deepseq is not a core library for this compiler.
+  deepseq = self.deepseq_1_4_0_0;
+
+  # transformers is not a core library for this compiler.
+  transformers = self.transformers_0_4_2_0;
+  mtl = self.mtl_2_2_1;
+  transformers-compat = disableCabalFlag super.transformers-compat "three";
+
+  # https://github.com/haskell/cabal/issues/2322
+  Cabal_1_22_0_0 = super.Cabal_1_22_0_0.override { binary = self.binary_0_7_2_3; };
+
+  # https://github.com/tibbe/hashable/issues/85
+  hashable = dontCheck super.hashable;
+
+  # Needs Cabal >= 1.18.x.
+  jailbreak-cabal = super.jailbreak-cabal.override { Cabal = self.Cabal_1_18_1_6; };
+
+  # Haddock chokes on the prologue from the cabal file.
+  ChasingBottoms = dontHaddock super.ChasingBottoms;
+
+}
diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix
new file mode 100644
index 000000000000..aa54f736dabf
--- /dev/null
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.4.x.nix
@@ -0,0 +1,51 @@
+{ pkgs }:
+
+with import ./lib.nix { inherit pkgs; };
+
+self: super: {
+
+  # Disable GHC 7.4.x core libraries.
+  array = null;
+  base = null;
+  binary = null;
+  bin-package-db = null;
+  bytestring = null;
+  Cabal = null;
+  containers = null;
+  deepseq = null;
+  directory = null;
+  extensible-exceptions = null;
+  filepath = null;
+  ghc-prim = null;
+  haskell2010 = null;
+  haskell98 = null;
+  hoopl = null;
+  hpc = null;
+  integer-gmp = null;
+  old-locale = null;
+  old-time = null;
+  pretty = null;
+  process = null;
+  rts = null;
+  template-haskell = null;
+  time = null;
+  unix = null;
+
+  # transformers is not a core library for this compiler.
+  transformers = self.transformers_0_4_2_0;
+  mtl = self.mtl_2_2_1;
+  transformers-compat = disableCabalFlag super.transformers-compat "three";
+
+  # https://github.com/haskell/cabal/issues/2322
+  Cabal_1_22_0_0 = super.Cabal_1_22_0_0.override { binary = self.binary_0_7_2_3; };
+
+  # https://github.com/tibbe/hashable/issues/85
+  hashable = dontCheck super.hashable;
+
+  # Needs Cabal >= 1.18.x.
+  jailbreak-cabal = super.jailbreak-cabal.override { Cabal = self.Cabal_1_18_1_6; };
+
+  # Haddock chokes on the prologue from the cabal file.
+  ChasingBottoms = dontHaddock super.ChasingBottoms;
+
+}
diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index c0c3be07df30..0f98ded5eb14 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -55,6 +55,9 @@ let
                      main = defaultMain
                    '';
 
+  ghc76xOrLater = stdenv.lib.versionOlder "7.6" ghc.version;
+  packageDbFlag = if ghc76xOrLater then "package-db" else "package-conf";
+
   defaultConfigureFlags = [
     (enableFeature enableSplitObjs "split-objs")
     (enableFeature enableLibraryProfiling "library-profiling")
@@ -146,7 +149,7 @@ stdenv.mkDerivation ({
         fi
       done
     done
-    ghc-pkg --package-db="$packageConfDir" recache
+    ghc-pkg --${packageDbFlag}="$packageConfDir" recache
     configureFlags+=" --package-db=$packageConfDir"
 
     ${optionalString (editedCabalFile != null) ''
@@ -162,7 +165,7 @@ stdenv.mkDerivation ({
     for i in Setup.hs Setup.lhs ${defaultSetupHs}; do
       test -f $i && break
     done
-    ghc ${optionalString (! coreSetup) "-package-db=$packageConfDir "}$setupCompileFlags --make -o Setup -odir $TMPDIR -hidir $TMPDIR $i
+    ghc ${optionalString (! coreSetup) "-${packageDbFlag}=$packageConfDir "}$setupCompileFlags --make -o Setup -odir $TMPDIR -hidir $TMPDIR $i
 
     echo configureFlags: $configureFlags
     unset GHC_PACKAGE_PATH      # Cabal complains if this variable is set during configure.
diff --git a/pkgs/top-level/haskell-ng.nix b/pkgs/top-level/haskell-ng.nix
index ca9982c65ddd..17fe57df5e71 100644
--- a/pkgs/top-level/haskell-ng.nix
+++ b/pkgs/top-level/haskell-ng.nix
@@ -26,10 +26,22 @@ rec {
   packages = {
 
     ghc6104 = callPackage ../development/haskell-modules { ghc = compiler.ghc6104; };
-    ghc6123 = callPackage ../development/haskell-modules { ghc = compiler.ghc6123; };
-    ghc704 = callPackage ../development/haskell-modules { ghc = compiler.ghc704; };
-    ghc722 = callPackage ../development/haskell-modules { ghc = compiler.ghc722; };
-    ghc742 = callPackage ../development/haskell-modules { ghc = compiler.ghc742; };
+    ghc6123 = callPackage ../development/haskell-modules {
+      ghc = compiler.ghc6123;
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-ghc-6.12.x.nix { };
+    };
+    ghc704 = callPackage ../development/haskell-modules {
+      ghc = compiler.ghc704;
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-ghc-7.0.x.nix { };
+    };
+    ghc722 = callPackage ../development/haskell-modules {
+      ghc = compiler.ghc722;
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-ghc-7.2.x.nix { };
+    };
+    ghc742 = callPackage ../development/haskell-modules {
+      ghc = compiler.ghc742;
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-ghc-7.4.x.nix { };
+    };
     ghc763 = callPackage ../development/haskell-modules {
       ghc = compiler.ghc763;
       packageSetConfig = callPackage ../development/haskell-modules/configuration-ghc-7.6.x.nix { };