From d9e8ab0ff25979baa5b3c852f6a5aeb7b9d2ed36 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Tue, 31 Jul 2018 16:35:05 +0200
Subject: [PATCH] Add a check for broken Boost versions

In some Boost versions, coroutines don't propagate exceptions
properly, causing Nix to fail with the exception 'coroutine has
finished'.
---
 src/libutil/serialise.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libutil/serialise.cc b/src/libutil/serialise.cc
index 21803edd0..b2c49d911 100644
--- a/src/libutil/serialise.cc
+++ b/src/libutil/serialise.cc
@@ -157,6 +157,10 @@ size_t StringSource::read(unsigned char * data, size_t len)
 }
 
 
+#if BOOST_VERSION >= 106300 && BOOST_VERSION < 106600
+#error Coroutines are broken in this version of Boost!
+#endif
+
 std::unique_ptr<Source> sinkToSource(std::function<void(Sink &)> fun)
 {
     struct SinkToSource : Source