--- c++/cpp2py/CMakeLists.txt.orig	2020-08-17 21:09:23 UTC
+++ c++/cpp2py/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_library(cpp2py signal_handler.cpp exceptions.cpp numpy_proxy.cpp)
+add_library(cpp2py SHARED signal_handler.cpp exceptions.cpp numpy_proxy.cpp)
 add_library(cpp2py::cpp2py ALIAS cpp2py)
 
 target_compile_options(cpp2py PRIVATE -std=c++17 -fPIC)