-- python_test.cpp requires Python.h and embedded Python support.
-- The port disables LBANN_WITH_EMBEDDED_PYTHON, so only build the test
-- when embedded Python is actually enabled.

--- src/utils/unit_test/CMakeLists.txt.orig	2026-08-01 17:42:04 UTC
+++ src/utils/unit_test/CMakeLists.txt
@@ -36,7 +36,6 @@ set_full_path(THIS_DIR_SEQ_CATCH2_TEST_FILES
   hash_test.cpp
   output_helpers_test.cpp
   protobuf_utils_test.cpp
-  python_test.cpp
   random_test.cpp
   serialize_matrix_test.cpp
   statistics_test.cpp
@@ -46,6 +45,11 @@ set_full_path(THIS_DIR_SEQ_CATCH2_TEST_FILES
   stubs/preset_env_accessor.hpp
   stubs/preset_env_accessor.cpp
   )
+
+if (LBANN_HAS_EMBEDDED_PYTHON)
+  list(APPEND THIS_DIR_SEQ_CATCH2_TEST_FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/python_test.cpp)
+endif ()
 
 set_full_path(THIS_DIR_MPI_CATCH2_TEST_FILES
   random_fill_test.cpp