From cb08b77f5d18b417129487756bc72166b1080ff7 Mon Sep 17 00:00:00 2001
From: Matthias Maier <matthias.maier@iwr.uni-heidelberg.de>
Date: Tue, 27 Jan 2015 12:36:12 +0100
Subject: [PATCH] CMake: Bugfix: Add -lrt to the link interface in case of
 bundled boost

---
 cmake/configure/configure_boost.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cmake/configure/configure_boost.cmake b/cmake/configure/configure_boost.cmake
index c683da2d37..66c3092bf7 100644
--- a/cmake/configure/configure_boost.cmake
+++ b/cmake/configure/configure_boost.cmake
@@ -23,6 +23,16 @@ SET(DEAL_II_WITH_BOOST ON # Always true. We need it :-]
 
 
 MACRO(FEATURE_BOOST_CONFIGURE_BUNDLED)
+
+  #
+  # Add rt to the link interface as well, boost/chrono needs it.
+  #
+  FIND_SYSTEM_LIBRARY(rt_LIBRARY NAMES rt)
+  MARK_AS_ADVANCED(rt_LIBRARY)
+  IF(NOT rt_LIBRARY MATCHES "-NOTFOUND")
+    SET(BOOST_LIBRARIES ${rt_LIBRARY})
+  ENDIF()
+
   SET(BOOST_BUNDLED_INCLUDE_DIRS ${BOOST_FOLDER}/include)
 ENDMACRO()
 
-- 
2.39.5