THRIFT-4545: disable haskell on windows builds until language-specific build issue can be resolved
diff --git a/build/appveyor/MSVC-appveyor-build.bat b/build/appveyor/MSVC-appveyor-build.bat
index a4b92a2..31aac57 100644
--- a/build/appveyor/MSVC-appveyor-build.bat
+++ b/build/appveyor/MSVC-appveyor-build.bat
@@ -21,6 +21,8 @@
 MKDIR "%BUILDDIR%"                          || EXIT /B
 CD "%BUILDDIR%"                             || EXIT /B
 
+:: Haskell is disabled for cmake (Windows), see Jira THRIFT-4545
+
 @ECHO ON
   cmake "%SRCDIR%" ^
     -G"%GENERATOR%" ^
@@ -36,6 +38,7 @@
     -DOPENSSL_USE_STATIC_LIBS=OFF ^
     -DZLIB_LIBRARY="%WIN3P%\zlib-inst\lib\zlib%ZLIB_LIB_SUFFIX%.lib" ^
     -DZLIB_ROOT="%WIN3P%\zlib-inst" ^
+    -DWITH_HASKELL=OFF ^
     -DWITH_PYTHON=%WITH_PYTHON% ^
     -DWITH_%THREADMODEL%THREADS=ON ^
     -DWITH_SHARED_LIB=OFF ^