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From: Michael Froman <mfroman@mozilla.com>
Date: Wed, 8 Oct 2025 17:49:00 +0000
Subject: Bug 1980501 - enable c++20 builds in libwebrtc. r?ng!
---
BUILD.gn | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/BUILD.gn b/BUILD.gn
index 8240fc84d6..a3b738a7e1 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -315,6 +315,16 @@ config("common_config") {
cflags_objc = []
defines = []
+ # We should be able to remove this after c++20 is enabled
+ # across the Mozilla tree.
+ if (build_with_mozilla) {
+ if (is_win) {
+ cflags_cc += [ "-std:c++20" ]
+ } else {
+ cflags_cc += [ "-std=gnu++20" ]
+ }
+ }
+
if (rtc_enable_protobuf) {
defines += [ "WEBRTC_ENABLE_PROTOBUF=1" ]
} else {
@@ -420,7 +430,7 @@ config("common_config") {
# "-Wnested-externs", (C/Obj-C only)
]
cflags_objc += [ "-Wstrict-prototypes" ]
- cflags_cc = [
+ cflags_cc += [
"-Wnon-virtual-dtor",
# This is enabled for clang; enable for gcc as well.