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From: Dan Minor <dminor@mozilla.com>
Date: Wed, 18 Nov 2020 13:33:00 -0500
Subject: Bug 1654112 - Suppress -Wclass-varargs warning in logging.h. r=ng

This needs some investigation to see why we get this warning when it is not
present upstream.

Since both were doing the same thing for different compiler chains,
also includes:
Bug 1654112 - linux build fix (pragmas) for base-toolchains* . r=ng

Differential Revision: https://phabricator.services.mozilla.com/D130086
Mercurial Revision: https://hg.mozilla.org/mozilla-central/rev/8d832e832ffe513246c0763a56376a8022b2447b
---
 rtc_base/logging.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/rtc_base/logging.h b/rtc_base/logging.h
index 8f490c44a2..9340fe2c55 100644
--- a/rtc_base/logging.h
+++ b/rtc_base/logging.h
@@ -48,6 +48,14 @@
 #ifndef RTC_BASE_LOGGING_H_
 #define RTC_BASE_LOGGING_H_
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wvarargs"
+
+#if defined(__clang__)
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wclass-varargs"
+#endif
+
 #include <errno.h>
 
 #include <atomic>
@@ -769,4 +777,9 @@ inline const char* AdaptString(const std::string& str) {
 
 }  // namespace rtc
 
+#pragma GCC diagnostic pop
+#if defined(__clang__)
+#  pragma clang diagnostic pop
+#endif
+
 #endif  // RTC_BASE_LOGGING_H_
-- 
2.34.1