X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-registry-event.hpp;h=5dc98032a2900d58f650bdbdbfa213b90c22164f;hb=11bcbf894cf92b99a2d885cad117db6811f164cb;hp=340c6b455a5b515a70d51cc0ebd2b2ca977dc0f1;hpb=f139a4f9cdbea2b08d08b024ad0996fb5bebad41;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/ust-registry-event.hpp b/src/bin/lttng-sessiond/ust-registry-event.hpp
index 340c6b455..5dc98032a 100644
--- a/src/bin/lttng-sessiond/ust-registry-event.hpp
+++ b/src/bin/lttng-sessiond/ust-registry-event.hpp
@@ -63,17 +63,23 @@ void registry_event_destroy(registry_event *event);
 } /* namespace sessiond */
 } /* namespace lttng */
 
+/*
+ * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace,
+ * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480.
+ */
+namespace fmt {
 template <>
-struct fmt::formatter<lttng::sessiond::ust::registry_event> : fmt::formatter<std::string> {
+struct formatter<lttng::sessiond::ust::registry_event> : formatter<std::string> {
 	template <typename FormatCtx>
 	typename FormatCtx::iterator format(
 			const lttng::sessiond::ust::registry_event& event, FormatCtx& ctx)
 	{
-		return fmt::format_to(ctx.out(),
+		return format_to(ctx.out(),
 				"{{ name = `{}`, signature = `{}`, id = {}, session objd = {}, channel objd = {} }}",
 				event.name, event.signature, event.id, event.session_objd,
 				event.channel_objd);
 	}
 };
+} /* namespace fmt */
 
 #endif /* LTTNG_UST_REGISTRY_EVENT_H */