@@ -20,11 +20,17 @@
 
 #ifdef HAVE_FCNTL_H
 # include <fcntl.h>
 #endif
 #ifdef HAVE_UNISTD_H
+# ifdef __GLIBC__
+#  undef __USE_XOPEN	/* Needed to avoid old glibc using __block */
+# endif
 # include <unistd.h>
+# ifdef __GLIBC__
+#  define __USE_XOPEN 1
+# endif
 #endif
 
 #include "platform.h"
 
 #ifdef OF_WII