# https://sourceforge.net/p/plib/bugs/53/
--- a/src/ssg/ssgLoadFLT.cxx
+++ b/src/ssg/ssgLoadFLT.cxx
@@ -103,6 +103,7 @@
 #include <string.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <sys/types.h>
 #ifdef UL_IRIX
 # include <sys/endian.h>
 #endif