create flag to indicate a program is inside a deploy interpreter

ghstack-source-id: 5a82019
Pull Request resolved: #310

Author: PaliC

multipy/runtime/interpreter/CMakeLists.txt

@@ -101,9 +101,9 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
 endif()
 
 target_include_directories(torch_deployinterpreter PRIVATE ${INTERPRETER_DIR})
-target_include_directories(torch_deployinterpreter BEFORE PUBLIC ${Python3_INCLUDE_DIRS})
+target_include_directories(torch_deployinterpreter BEFORE PUBLIC  "-Wl,--no-as-needed -rdynamic" ${Python3_INCLUDE_DIRS})
 
 target_link_libraries(torch_deployinterpreter PRIVATE fmt::fmt-header-only)
 target_link_libraries(torch_deployinterpreter PRIVATE gtest)
-target_link_libraries(torch_deployinterpreter PRIVATE torch_python)
+target_link_libraries(torch_deployinterpreter PRIVATE  "-Wl,--no-as-needed -rdynamic -Wno-undef" torch_python)
 target_link_libraries(torch_deployinterpreter PRIVATE multipy_torch)

multipy/runtime/interpreter/interpreter_impl.cpp

@@ -179,6 +179,7 @@ except ModuleNotFoundError:
   _v.git_version = 'fake'
   _v.hip = None
 
+sys.using_multipy_interpreter = True
 
 if torch.cuda.is_available():
   torch.zeros(1).cuda() # force cuda init...