From f01bab6633c170315f2a7d1aee71a46e122a4b0b Mon Sep 17 00:00:00 2001
From: Matt Arsenault <arsenm2@rpi.edu>
Date: Wed, 23 Jan 2013 14:31:02 -0500
Subject: [PATCH] Fix cmake not linking librt to perf-tools

---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f80cbdc..c43507b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,6 +51,8 @@ check_library_exists(ws2 printf "" HAVE_WS2)
 check_library_exists(rpcrt4 printf "" HAVE_RPCRT4) # UuidCreateSequential
 check_library_exists(iphlpapi printf "" HAVE_IPHLAPI) # GetAdaptersAddresses
 
+find_library(RT_LIBRARY rt)
+
 find_package(Threads)
 
 
@@ -541,6 +543,10 @@ if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug") # Why?
     add_executable(${perf-tool} perf/${perf-tool}.cpp)
     target_link_libraries(${perf-tool} libzmq)
 
+    if(RT_LIBRARY)
+      target_link_libraries(${perf-tool} ${RT_LIBRARY})
+    endif()
+
     if(ZMQ_BUILD_FRAMEWORK)
       # Copy perf-tools binaries into Framework
       add_custom_command(