[NeuralNetInference] Bring up iOS builds (pytorch#131917)

Summary: Mirror Android setup to static link & use lite interpreter on iOS

Test Plan: CI

Reviewed By: EscapeZero

Differential Revision: D60156611

Pull Request resolved: pytorch#131917
Approved by: https://github.com/cccclai

Author: rbergerjr

c10/ovrsource_defs.bzl

@@ -49,6 +49,7 @@ def define_c10_ovrsource(name, is_mobile):
             "-DC10_BUILD_MAIN_LIB=1",
             "-DSUPPORTS_BACKTRACE=0",
         ],
+        fbobjc_compiler_flags = ["-Wno-error=global-constructors", "-Wno-error=missing-prototypes"],
         public_include_directories = [".."],
         public_preprocessor_flags = pp_flags,
         public_raw_headers = native.glob([