diff --git a/pkgs/development/compilers/ghc/8.4.2.nix b/pkgs/development/compilers/ghc/8.4.2.nix
index 7cdf746c5820..18b229f95cc4 100644
--- a/pkgs/development/compilers/ghc/8.4.2.nix
+++ b/pkgs/development/compilers/ghc/8.4.2.nix
@@ -22,7 +22,10 @@
 
 , # Whether to build dynamic libs for the standard library (on the target
   # platform). Static libs are always built.
-  enableShared ? !targetPlatform.useAndroidPrebuilt
+  enableShared ? !targetPlatform.isWindows && !targetPlatform.useAndroidPrebuilt
+
+, # Whetherto build terminfo.
+  enableTerminfo ? !targetPlatform.isWindows
 
 , # What flavour to build. An empty string indicates no
   # specific flavour and falls back to ghc default values.
@@ -60,7 +63,7 @@ let
   '';
 
   # Splicer will pull out correct variations
-  libDeps = platform: [ ncurses ]
+  libDeps = platform: stdenv.lib.optional enableTerminfo [ ncurses ]
     ++ stdenv.lib.optional (!enableIntegerSimple) gmp
     ++ stdenv.lib.optional (platform.libc != "glibc") libiconv;
 
diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 1fe6271033f4..7e4b26cda25e 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -22,7 +22,10 @@
 
 , # Whether to build dynamic libs for the standard library (on the target
   # platform). Static libs are always built.
-  enableShared ? !targetPlatform.useAndroidPrebuilt
+  enableShared ? !targetPlatform.isWindows && !targetPlatform.useAndroidPrebuilt
+
+, # Whetherto build terminfo.
+  enableTerminfo ? !targetPlatform.isWindows
 
 , version ? "8.5.20180118"
 , # What flavour to build. An empty string indicates no
@@ -61,7 +64,7 @@ let
   '';
 
   # Splicer will pull out correct variations
-  libDeps = platform: [ ncurses ]
+  libDeps = platform: stdenv.lib.optional enableTerminfo [ ncurses ]
     ++ stdenv.lib.optional (!enableIntegerSimple) gmp
     ++ stdenv.lib.optional (platform.libc != "glibc") libiconv;