From ad155e169d9788faebd8729e0ebed2351001fa6b Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 5 Sep 2020 22:58:38 -0700
Subject: [PATCH] ircd::spirit: Replace boost::function with std::function for
 indirect call optimizations.

---
 include/ircd/spirit.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/ircd/spirit.h b/include/ircd/spirit.h
index ff55ac55b..cffe25e47 100644
--- a/include/ircd/spirit.h
+++ b/include/ircd/spirit.h
@@ -39,6 +39,17 @@
 #include <boost/function.hpp>
 
 #pragma GCC visibility push (internal)
+
+namespace boost::spirit::qi
+{
+	using std::function;
+}
+
+namespace boost::spirit::karma
+{
+	using std::function;
+}
+
 #include <boost/fusion/sequence.hpp>
 #include <boost/fusion/iterator.hpp>
 #include <boost/fusion/adapted.hpp>
@@ -50,8 +61,8 @@
 #include <boost/spirit/include/phoenix.hpp>
 #include <boost/spirit/repository/include/qi_seek.hpp>
 #include <boost/spirit/repository/include/qi_subrule.hpp>
-#pragma GCC visibility pop
 
+#pragma GCC visibility pop
 #pragma clang attribute pop
 #pragma clang attribute pop