From 7539d53b54f08f056dc9366c8d5c24c5d749cfce Mon Sep 17 00:00:00 2001
From: Michael Truog <mjtruog@protonmail.com>
Date: Sat, 22 Sep 2018 19:10:56 -0700
Subject: [PATCH] Fix compilation for GCC (tested with 5.4.0)

---
 backward.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/backward.hpp b/backward.hpp
index c9a922f..69d5dba 100644
--- a/backward.hpp
+++ b/backward.hpp
@@ -3704,10 +3704,14 @@ class SignalHandling {
 					SA_RESETHAND);
 			sigfillset(&action.sa_mask);
 			sigdelset(&action.sa_mask, posix_signals[i]);
+#if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdisabled-macro-expansion"
+#endif
 			action.sa_sigaction = &sig_handler;
+#if defined(__clang__)
 #pragma clang diagnostic pop
+#endif
 
 			int r = sigaction(posix_signals[i], &action, nullptr);
 			if (r < 0) success = false;