--- libshiboken/CMakeLists.txt.orig	2020-11-11 12:51:30 UTC
+++ libshiboken/CMakeLists.txt
@@ -72,7 +72,9 @@ signature/signature_helper.cpp
 signature/signature_helper.cpp
 )
 
-get_numpy_location()
+if (WANT_NUMPY)
+  get_numpy_location()
+endif()
 
 if (NOT "${PYTHON_NUMPY_LOCATION}" STREQUAL "")
     list(APPEND libshiboken_SRC sbknumpyarrayconverter.cpp)