diff --git a/CMakeLists.txt b/CMakeLists.txt
index 040cf61c7..be6a5f405 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,11 @@ IF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.4)
   INCLUDE (${CMAKE_ROOT}/Modules/CMakeBackwardCompatibilityCXX.cmake)
 ENDIF(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} GREATER 1.4)
 
+# Disable deprecation warnings for standard C functions.
+IF(CMAKE_COMPILER_2005)
+  ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
+ENDIF(CMAKE_COMPILER_2005)
+
 #silence duplicate symbol warnings on AIX
 IF(CMAKE_SYSTEM MATCHES "AIX.*")
   IF(NOT CMAKE_COMPILER_IS_GNUCXX)