diff --git a/CMakeLists.txt b/CMakeLists.txt
index a30019d..eb83eb8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,11 +35,11 @@ if(BUILDING_IN_SOURCE)
   )
 endif()

-if(WIN32 AND NOT MSVC)
-  message(FATAL_ERROR
-    "Under Windows other compiler than Microsoft Visual Studio are not supported."
-  )
-endif()
+#if(WIN32 AND NOT MSVC)
+#  message(FATAL_ERROR
+#    "Under Windows other compiler than Microsoft Visual Studio are not supported."
+#  )
+#endif()

 find_package(Platform REQUIRED)
 find_package(Git)
diff --git a/dep/ACE_wrappers/CMakeLists.txt b/dep/ACE_wrappers/CMakeLists.txt
index 42205c0..de7a1e4 100644
--- a/dep/ACE_wrappers/CMakeLists.txt
+++ b/dep/ACE_wrappers/CMakeLists.txt
@@ -22,39 +22,6 @@ if(WIN32)
   configure_file(${CMAKE_CURRENT_SOURCE_DIR}/ace/config.h.win ${CMAKE_CURRENT_SOURCE_DIR}/ace/config.h)
 endif()

-if(WIN32 AND MSVC)
-  # VS100 uses MSBuild.exe instead of devenv.com, so force it to use devenv.com
-  if(VS100_FOUND)
-    set(ACE_BUILD_TOOL ${VS100_DIR}/devenv.com)
-  else()
-    set(ACE_BUILD_TOOL ${CMAKE_BUILD_TOOL})
-  endif()
-
-  if(PLATFORM MATCHES X86)
-    set(ACE_CONFIGURATION Win32)
-  else()
-    set(ACE_CONFIGURATION x64)
-  endif()
-
-  ExternalProject_Add(ACE_Project
-    SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}
-    BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}
-    INSTALL_DIR ${CMAKE_INSTALL_PREFIX}
-    DOWNLOAD_COMMAND ""
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND ""
-    INSTALL_COMMAND ""
-  )
-  ExternalProject_Add_Step(ACE_Project ACE_Upgrade
-    COMMAND ${ACE_BUILD_TOOL} <SOURCE_DIR>\\ace\\ace_vc8.sln /upgrade
-    ALWAYS 0
-  )
-  ExternalProject_Add_Step(ACE_Project ACE_Build
-    DEPENDEES ACE_Upgrade
-    COMMAND ${ACE_BUILD_TOOL} <SOURCE_DIR>\\ace\\ace_vc8.sln /project ACE /build ${CMAKE_BUILD_TYPE}|${ACE_CONFIGURATION}
-    ALWAYS 0
-  )
-elseif(UNIX)
   if(CMAKE_BUILD_TOOL MATCHES "/gmake")
     set(ACE_BUILD_TOOL gmake)
   else()
@@ -70,8 +37,3 @@ elseif(UNIX)
     BUILD_COMMAND ${ACE_BUILD_TOOL} -j2 # export arch="ia32" &&
     INSTALL_COMMAND ${ACE_BUILD_TOOL} install
   )
-else()
-  message(FATAL_ERROR
-    "This script doesn't support your system configuration to compile/install ACE."
-  )
-endif()
diff --git a/dep/tbb/CMakeLists.txt b/dep/tbb/CMakeLists.txt
index c7ff095..b28820e 100644
--- a/dep/tbb/CMakeLists.txt
+++ b/dep/tbb/CMakeLists.txt
@@ -18,41 +18,6 @@

 include(ExternalProject)

-if(WIN32 AND MSVC)
-  # VS100 uses MSBuild.exe instead of devenv.com, so force it to use devenv.com
-  if(VS100_FOUND)
-    set(TBB_BUILD_TOOL ${VS100_DIR}/devenv.com)
-    set(TBB_SOURCE <SOURCE_DIR>\\build\\vs100project)
-  else()
-    set(TBB_BUILD_TOOL ${CMAKE_BUILD_TOOL})
-    set(TBB_SOURCE <SOURCE_DIR>\\build\\vsproject)
-  endif()
-
-  if(PLATFORM MATCHES X86)
-    set(TBB_CONFIGURATION Win32)
-  else()
-    set(TBB_CONFIGURATION x64)
-  endif()
-
-  ExternalProject_Add(TBB_Project
-    SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}
-    BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}
-    DOWNLOAD_COMMAND ""
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND ""
-    INSTALL_COMMAND ""
-  )
-  ExternalProject_Add_Step(TBB_Project TBB_Upgrade
-    COMMAND ${TBB_BUILD_TOOL} ${TBB_SOURCE}\\makefile.sln /upgrade
-    ALWAYS 0
-  )
-  ExternalProject_Add_Step(TBB_Project TBB_Build
-    DEPENDEES TBB_Upgrade
-    COMMAND ${TBB_BUILD_TOOL} ${TBB_SOURCE}\\makefile.sln /project tbb /build ${CMAKE_BUILD_TYPE}|${TBB_CONFIGURATION}
-    COMMAND ${TBB_BUILD_TOOL} ${TBB_SOURCE}\\makefile.sln /project tbbmalloc /build ${CMAKE_BUILD_TYPE}|${TBB_CONFIGURATION}
-    ALWAYS 0
-  )
-elseif(UNIX)
   if(APPLE)
     set(APPLE_BUILD cd <SOURCE_DIR>/build/libs_release && install_name_tool -id "<INSTALL_DIR>/lib/libtbb.dylib" libtbb.dylib && install_name_tool -id "<INSTALL_DIR>/lib/libtbbmalloc.dylib" libtbbmalloc.dylib && cd <SOURCE_DIR>/build/libs_debug && install_name_tool -id "<INSTALL_DIR>/lib/libtbb_debug.dylib" libtbb_debug.dylib && install_name_tool -id "<INSTALL_DIR>/lib/libtbbmalloc_debug.dylib" libtbbmalloc_debug.dylib)
   else()
@@ -75,8 +40,3 @@ elseif(UNIX)
     BUILD_COMMAND ${TBB_BUILD_TOOL} -j2 -C <SOURCE_DIR> # export arch="ia32" &&
     INSTALL_COMMAND ${APPLE_BUILD}
   )
-else()
-  message(FATAL_ERROR
-    "This script doesn't support your system configuration to compile/install TBB."
-  )
-endif()