[+] FindRT cmake module.

cmake-modules/FindRT.cmake

@@ -0,0 +1,20 @@
+# Try to find real time libraries
+# Once done, this will define
+#
+# RT_FOUND - system has rt library
+# RT_LIBRARIES - rt libraries directory
+#
+# Source: https://gitlab.cern.ch/dss/eos/commit/44070e575faaa46bd998708ef03eedb381506ff0
+#
+
+if(RT_LIBRARIES)
+    set(RT_FIND_QUIETLY TRUE)
+endif(RT_LIBRARIES)
+
+find_library(RT_LIBRARY rt)
+set(RT_LIBRARIES ${RT_LIBRARY})
+# handle the QUIETLY and REQUIRED arguments and set
+# RT_FOUND to TRUE if all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(rt DEFAULT_MSG RT_LIBRARY)
+mark_as_advanced(RT_LIBRARY)