Attempt to add nanobind in the cmake file for C++ tests

CMakeLists.txt

@@ -74,7 +74,10 @@ find_package(OpenMP REQUIRED)
 
 # Setup Python
 find_package(Python 3.10 # This is a minimum version
-             COMPONENTS Interpreter Development.Module REQUIRED)
+             COMPONENTS Interpreter Development REQUIRED)
+
+# Import nanobind through CMake's find_package mechanism
+find_package(nanobind CONFIG REQUIRED)
 
 # Our primary target
 add_library(fast_pauli INTERFACE)

fast_pauli/cpp/tests/CMakeLists.txt

@@ -15,11 +15,16 @@
 # Grab all *.cpp files in the directory
 file(GLOB TEST_SRC CONFIGURE_DEPENDS "*.cpp")
 
+# Build the core parts of nanobind once
+nanobind_build_library(nanobind-static)
+
 foreach(TEST_SRC_FILE ${TEST_SRC})
   # Strip file extension
   get_filename_component(TEST_NAME ${TEST_SRC_FILE} NAME_WLE)
   # Add test executable
   add_executable(${TEST_NAME} ${TEST_SRC_FILE})
-  target_link_libraries(${TEST_NAME} PUBLIC ${PROJECT_NAME} doctest::doctest)
+  target_link_libraries(
+    ${TEST_NAME} PUBLIC ${PROJECT_NAME} doctest::doctest nanobind-static
+                        Python::Python Python::Module)
   add_test(${TEST_NAME} ${TEST_NAME})
 endforeach()