BUILD_CYTHON_MODULES=ON by default

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 80e319a..e38c798 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt

@@ -88,7 +88,7 @@
 option(USE_ASAN "Enable Clang/GCC ASAN sanitizers." OFF)
 cmake_dependent_option(ENABLE_TESTCOVERAGE "Enable compilation with test coverage metric output" OFF "NOT MSVC" OFF)
 option(BUILD_EXTENSION_PATH "Path to extension to build" "")
-option(BUILD_CYTHON_MODULES "Build cython modules." OFF)
+option(BUILD_CYTHON_MODULES "Build cython modules." ON)
 option(LOG_FATAL_THROW "Log exceptions but do not abort" ON)
 cmake_dependent_option(USE_SPLIT_ARCH_DLL "Build a separate DLL for each Cuda arch (Windows only)." ON "MSVC" OFF)
 cmake_dependent_option(USE_CCACHE "Attempt using CCache to wrap the compilation" ON "UNIX" OFF)