Fix cross-compilation builds of several Haskell packages.

pkgs/development/haskell-modules/configuration-common.nix

@@ -102,6 +102,7 @@ self: super: {
 
   # Test suite doesn't terminate
   hzk = dontCheck super.hzk;
+
   # Tests require a Kafka broker running locally
   haskakafka = dontCheck super.haskakafka;
 
@@ -937,11 +938,11 @@ self: super: {
   JuicyPixels = dontHaddock super.JuicyPixels;
 
   # armv7l fixes.
-  happy = if pkgs.stdenv.isArm then dontCheck super.happy else super.happy; # Similar to https://ghc.haskell.org/trac/ghc/ticket/13062
-  hashable = if pkgs.stdenv.isArm then dontCheck super.hashable else super.hashable; # https://github.com/tibbe/hashable/issues/95
-  servant-docs = if pkgs.stdenv.isArm then dontCheck super.servant-docs else super.servant-docs;
-  servant-swagger = if pkgs.stdenv.isArm then dontCheck super.servant-swagger else super.servant-swagger;
-  swagger2 = if pkgs.stdenv.isArm then dontHaddock (dontCheck super.swagger2) else super.swagger2;
+  happy = if pkgs.stdenv.hostPlatform.isArm then dontCheck super.happy else super.happy; # Similar to https://ghc.haskell.org/trac/ghc/ticket/13062
+  hashable = if pkgs.stdenv.hostPlatform.isArm then dontCheck super.hashable else super.hashable; # https://github.com/tibbe/hashable/issues/95
+  servant-docs = if pkgs.stdenv.hostPlatform.isArm then dontCheck super.servant-docs else super.servant-docs;
+  servant-swagger = if pkgs.stdenv.hostPlatform.isArm then dontCheck super.servant-swagger else super.servant-swagger;
+  swagger2 = if pkgs.stdenv.hostPlatform.isArm then dontHaddock (dontCheck super.swagger2) else super.swagger2;
 
   # Tries to read a file it is not allowed to in the test suite
   load-env = dontCheck super.load-env;