From 7933300b6fd6098510ada49bdd81847837a5bb40 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 11 Oct 2021 03:30:50 +0300
Subject: [PATCH] Disable test on g++ 4.x because no std::io_errc

---
 test/std_interop_test11.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/test/std_interop_test11.cpp b/test/std_interop_test11.cpp
index 144f1c1..8374e1a 100644
--- a/test/std_interop_test11.cpp
+++ b/test/std_interop_test11.cpp
@@ -6,11 +6,16 @@
 #include <boost/core/lightweight_test.hpp>
 #include <boost/config/pragma_message.hpp>
 #include <boost/config.hpp>
-#include <cerrno>
+#include <ios>
 
 #if !defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
 
-BOOST_PRAGMA_MESSAGE( "BOOST_SYSTEM_HAS_SYSTEM_ERROR not defined, test will be skipped" )
+BOOST_PRAGMA_MESSAGE( "Skipping test, BOOST_SYSTEM_HAS_SYSTEM_ERROR not defined" )
+int main() {}
+
+#elif defined(BOOST_LIBSTDCXX_VERSION) && BOOST_LIBSTDCXX_VERSION < 50000
+
+BOOST_PRAGMA_MESSAGE( "Skipping test, BOOST_LIBSTDCXX_VERSION < 50000" )
 int main() {}
 
 #else