From 1bc450179a0819970261e6a29071756d09b71c5f Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul.cercueil@analog.com>
Date: Fri, 19 Aug 2016 09:00:58 +0200
Subject: [PATCH] CMake: Link with librt if found

This is required for older versions of glibc.

Signed-off-by: Paul Cercueil <paul.cercueil@analog.com>
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a339fe..3dd3520 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,6 +113,10 @@ add_definitions(-DLIBIIO_VERSION_GIT="${LIBIIO_VERSION_GIT}")
 if(WITH_LOCAL_BACKEND)
 	add_definitions(-DLOCAL_BACKEND=1)
 	set(LIBIIO_CFILES ${LIBIIO_CFILES} local.c)
+
+	# Link with librt if present
+	find_library(LIBRT_LIBRARIES rt)
+	set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBRT_LIBRARIES})
 endif()
 
 find_library(LIBUSB_LIBRARIES usb-1.0)
-- 
2.8.1