--- dia-0.97.3/app/load_save.c	2014-08-24 19:46:01.000000000 +0400
+++ dia-0.97.3/app/load_save.c	2015-07-17 15:25:01.176564959 +0300
@@ -18,7 +18,7 @@
 #include <config.h>
 
 /* so we get fdopen declared even when compiling with -ansi */
-#define _POSIX_C_SOURCE 200809L
+/* #define _POSIX_C_SOURCE 200809L */
 #define _BSD_SOURCE 1 /* to get the prototype for fchmod() */
 
 #include <sys/stat.h>