Fixed python dependency

bindings/c/CMakeLists.txt

@@ -16,7 +16,7 @@ elseif(WIN32)
 endif()
 
 add_custom_command(OUTPUT ${asm_file} ${CMAKE_CURRENT_BINARY_DIR}/fdb_c_function_pointers.g.h
-  COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/generate_asm.py ${platform}
+  COMMAND $<TARGET_FILE:Python::Interpreter> ${CMAKE_CURRENT_SOURCE_DIR}/generate_asm.py ${platform}
       ${CMAKE_CURRENT_SOURCE_DIR}/fdb_c.cpp
       ${asm_file}
       ${CMAKE_CURRENT_BINARY_DIR}/fdb_c_function_pointers.g.h

cmake/AddFdbTest.cmake

@@ -101,7 +101,7 @@ function(add_fdb_test)
   endif()
   list(TRANSFORM ADD_FDB_TEST_TEST_FILES PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
   add_test(NAME ${test_name}
-    COMMAND ${PYTHON_EXECUTABLE} ${TestRunner}
+    COMMAND $<TARGET_FILE:Python::Interpreter> ${TestRunner}
     -n ${test_name}
     -b ${PROJECT_BINARY_DIR}
     -t ${test_type}

cmake/FDBComponents.cmake

@@ -41,6 +41,7 @@ find_package(Python COMPONENTS Interpreter)
 if(Python_Interpreter_FOUND)
   set(WITH_PYTHON ON)
 else()
+  message(FATAL_ERROR "Could not found a suitable python interpreter")
   set(WITH_PYTHON OFF)
 endif()