diff -ur a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2019-05-24 17:58:19.693090158 -0400
+++ b/CMakeLists.txt	2019-05-24 17:57:43.349473252 -0400
@@ -375,44 +375,15 @@
 
 include(ConfigureChecks)
 
-
-## Also build external/squirrel
-
-if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/external/squirrel/CMakeLists.txt)
-  message(FATAL_ERROR "squirrel submodule is not checked out or ${CMAKE_CURRENT_SOURCE_DIR}/external/squirrel/CMakeLists.txt is missing")
-endif()
-
 set(SQUIRREL_PREFIX ${CMAKE_BINARY_DIR}/squirrel/ex)
-ExternalProject_Add(squirrel
-  SOURCE_DIR "${CMAKE_SOURCE_DIR}/external/squirrel/"
-  CMAKE_ARGS
-  -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-  -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-  -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS}
-  -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
-  -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
-  -DCMAKE_INSTALL_PREFIX=${SQUIRREL_PREFIX}
-  -DINSTALL_INC_DIR=include)
-
-if(WIN32)
-  add_library(squirrel_lib SHARED IMPORTED)
-  set_target_properties(squirrel_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/bin/${CMAKE_SHARED_LIBRARY_PREFIX}squirrel${CMAKE_SHARED_LIBRARY_SUFFIX}")
-  set_target_properties(squirrel_lib PROPERTIES IMPORTED_IMPLIB "${SQUIRREL_PREFIX}/lib/squirrel${CMAKE_LINK_LIBRARY_SUFFIX}")
-  add_library(sqstdlib_lib SHARED IMPORTED)
-  set_target_properties(sqstdlib_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/bin/${CMAKE_SHARED_LIBRARY_PREFIX}sqstdlib${CMAKE_SHARED_LIBRARY_SUFFIX}")
-  set_target_properties(sqstdlib_lib PROPERTIES IMPORTED_IMPLIB "${SQUIRREL_PREFIX}/lib/sqstdlib${CMAKE_LINK_LIBRARY_SUFFIX}")
-
-  #For debug run purposes
-  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/mk/msvc/run_supertux.bat.in" "${PROJECT_BINARY_DIR}/run_supertux.bat")
-else()
-  add_library(squirrel_lib STATIC IMPORTED)
-  set_target_properties(squirrel_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}squirrel_static${CMAKE_STATIC_LIBRARY_SUFFIX}")
-  add_library(sqstdlib_lib STATIC IMPORTED)
-  set_target_properties(sqstdlib_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}sqstdlib_static${CMAKE_STATIC_LIBRARY_SUFFIX}")
-endif()
 
 include_directories(SYSTEM ${SQUIRREL_PREFIX}/include)
 
+add_library(squirrel_lib SHARED IMPORTED)
+set_target_properties(squirrel_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}squirrel${CMAKE_SHARED_LIBRARY_SUFFIX}")
+add_library(sqstdlib_lib SHARED IMPORTED)
+set_target_properties(sqstdlib_lib PROPERTIES IMPORTED_LOCATION "${SQUIRREL_PREFIX}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}sqstdlib${CMAKE_SHARED_LIBRARY_SUFFIX}")
+
 ## Also build external/tinygettext
 
 if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/external/tinygettext/CMakeLists.txt)
