--- python/CMakeLists.txt.orig	2026-10-05 10:38:56 UTC
+++ python/CMakeLists.txt
@@ -7,47 +7,16 @@ if(NOT DEFINED THERMOFUN_PYTHON_INSTALL_PREFIX)
 
 # Install where the python package is installed to CMAKE_INSTALL_PREFIX if not given
 if(NOT DEFINED THERMOFUN_PYTHON_INSTALL_PREFIX)
+    set(THERMOFUN_PYTHON_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+endif()
 
-# Install the ThermoFun python package using setuptools
-install(CODE
-"
-   if(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
-      execute_process(
-        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:PyThermoFun>
-                ${CMAKE_CURRENT_BINARY_DIR}/src/thermofun/$<TARGET_FILE_NAME:PyThermoFun>
-      )
-   endif()
-
-   execute_process(
-        COMMAND ${Python3_EXECUTABLE} -m pip install ${CMAKE_CURRENT_BINARY_DIR} -vv
-        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
-"
+# Just install the shared object library built by pybind11 natively
+install(TARGETS PyThermoFun
+    DESTINATION "${THERMOFUN_PYTHON_INSTALL_PREFIX}/lib/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages/thermofun"
 )
-
-else()
-
-# If the path is already in Windows format (with backslashes), it can't be added directly
-# to the string below, otherwise CMake will later complain about "Invalid escape sequence".
-file(TO_CMAKE_PATH "${THERMOFUN_PYTHON_INSTALL_PREFIX}" THERMOFUN_PYTHON_INSTALL_PREFIX)
-message(STATUS "THERMOFUN_PYTHON_INSTALL_PREFIX: ${THERMOFUN_PYTHON_INSTALL_PREFIX}")
-
-# Install the ThermoFun python package using setuptools
-install(CODE
-"
-   file(TO_NATIVE_PATH \"${THERMOFUN_PYTHON_INSTALL_PREFIX}\" THERMOFUN_PYTHON_INSTALL_PREFIX_NATIVE)
-
-   if(${CMAKE_CXX_COMPILER_ID} STREQUAL MSVC)
-      execute_process(
-        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:PyThermoFun>
-                ${CMAKE_CURRENT_BINARY_DIR}/src/thermofun/$<TARGET_FILE_NAME:PyThermoFun>
-        )
-    endif()
-
-    execute_process(
-        COMMAND ${Python3_EXECUTABLE} -m pip install --prefix \${THERMOFUN_PYTHON_INSTALL_PREFIX_NATIVE} ${CMAKE_CURRENT_BINARY_DIR} -vv
-        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
-"
+ 
+# Install the Python source wrapper files natively 
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/src/thermofun/
+        DESTINATION "${THERMOFUN_PYTHON_INSTALL_PREFIX}/lib/python${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}/site-packages/thermofun"
+        FILES_MATCHING PATTERN "*.py"
 )
-
-endif()
-