From 5dd2068b62a5e70210ab24ad43f9d2a6d73d9b18 Mon Sep 17 00:00:00 2001
From: Braden Ganetsky <braden.ganetsky@gmail.com>
Date: Mon, 26 Aug 2024 13:43:33 -0500
Subject: [PATCH] Fix tests using Interprocess not compiling on Cygwin

---
 test/Jamfile.v2 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 3edc39ca..26e0f41a 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -42,7 +42,9 @@ path-constant BOOST_UNORDERED_TEST_DIR : . ;
 
 run quick.cpp ;
 
-compile debuggability/visualization_tests.cpp ;
+compile debuggability/visualization_tests.cpp
+  : <target-os>cygwin:<define>_XOPEN_SOURCE=600
+  ;
 
 compile unordered/self_include_tests_obj.cpp
   : <define>BOOST_UNORDERED_HEADER="boost/unordered_map.hpp"