From fd293042febfc975ae394c339142716c5060af9a Mon Sep 17 00:00:00 2001
From: David Eklov <deklov@fb.com>
Date: Wed, 7 Sep 2022 11:33:24 -0700
Subject: [PATCH] Ignore return value of function declared with
 'warn_unused_result' (#84369)

Summary:
X-link: https://github.com/pytorch/pytorch/pull/84369

Pull Request resolved: https://github.com/pytorch/multipy/pull/152

Ignore return value of function declared with 'warn_unused_result'

Addresses the following build failure that we get on some of our internal build environments:
caffe2/torch/csrc/deploy/environment.h:60:5: error: ignoring return value of function declared with 'warn_unused_result' attribute [-Werror,-Wunused-result] system(rmCmd.c_str());

Reviewed By: jiyuanzFB, PaliC

Differential Revision: D39181069

fbshipit-source-id: 953eb9e51fd15859bc435b04a1565924865a4b14
---
 multipy/runtime/environment.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/multipy/runtime/environment.h b/multipy/runtime/environment.h
index c082e4f3..3320616b 100644
--- a/multipy/runtime/environment.h
+++ b/multipy/runtime/environment.h
@@ -66,7 +66,7 @@ class Environment {
   }
   virtual ~Environment() {
     auto rmCmd = "rm -rf " + extraPythonLibrariesDir_;
-    system(rmCmd.c_str());
+    (void)system(rmCmd.c_str());
   }
   virtual void configureInterpreter(Interpreter* interp) = 0;
   virtual const std::vector<std::string>& getExtraPythonPaths() {