Corrected find_package(Python...) and added a new variable OPENFHE_REQUIRED_VERSION to specify the OpenFHE version externally"

Author: dsuponitskiy-duality

CMakeLists.txt

@@ -8,14 +8,19 @@ set(OPENFHE_PYTHON_VERSION_PATCH 0)
 set(OPENFHE_PYTHON_VERSION_TWEAK 0)
 set(OPENFHE_PYTHON_VERSION ${OPENFHE_PYTHON_VERSION_MAJOR}.${OPENFHE_PYTHON_VERSION_MINOR}.${OPENFHE_PYTHON_VERSION_PATCH}.${OPENFHE_PYTHON_VERSION_TWEAK})
 
+# OpenFHE version can be specified externally (-DOPENFHE_REQUIRED_VERSION=1.3.0)
+set(OPENFHE_REQUIRED_VERSION "1.3.0" CACHE STRING "Required OpenFHE version")
+
 set(CMAKE_CXX_STANDARD 17)
 option( BUILD_STATIC "Set to ON to include static versions of the library" OFF)
 
 if(APPLE)
     set(CMAKE_CXX_VISIBILITY_PRESET default)
 endif()
 
-find_package(OpenFHE 1.3.0 REQUIRED)
+find_package(OpenFHE ${OPENFHE_REQUIRED_VERSION} REQUIRED)
+message(STATUS "Building with OpenFHE version: ${OPENFHE_REQUIRED_VERSION}")
+
 set(PYBIND11_FINDPYTHON ON)
 find_package(pybind11 REQUIRED)
 
@@ -66,20 +71,13 @@ pybind11_add_module(openfhe
 ### Python installation 
 # Allow the user to specify the path to Python executable (if not provided, find it)
 option(PYTHON_EXECUTABLE_PATH "Path to Python executable" "")
-
-if(NOT PYTHON_EXECUTABLE_PATH)
-    # Find Python and its development components
-    find_package(Python REQUIRED COMPONENTS Interpreter Development)
-else()
-    # Set Python_EXECUTABLE to the specified path
+if(PYTHON_EXECUTABLE_PATH)
     set(Python_EXECUTABLE "${PYTHON_EXECUTABLE_PATH}")
 endif()
-
-# Find Python interpreter
-find_package(PythonInterp REQUIRED)
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
 
 # Check Python version
-if(${PYTHON_VERSION_MAJOR} EQUAL 3 AND ${PYTHON_VERSION_MINOR} GREATER_EQUAL 10)
+if(${Python_VERSION_MAJOR} EQUAL 3 AND ${Python_VERSION_MINOR} GREATER_EQUAL 10)
     execute_process(
         COMMAND "${Python_EXECUTABLE}" -c "from sys import exec_prefix; print(exec_prefix)"
         OUTPUT_VARIABLE PYTHON_SITE_PACKAGES