+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${custom_flags}")
+
+if(WIN32)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i486")
+endif(WIN32)
+
+# Try to make Mac a bit more complient to open source standards
+if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
+endif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+