--- gdl-v1.0.6/src/saverestore.cpp.orig	2024-05-23 16:36:39.000000000 +0200
+++ gdl-v1.0.6/src/saverestore.cpp	2024-05-30 11:09:57.914642658 +0200
@@ -113,7 +113,13 @@
 #define xdr_uint32_t xdr_u_int32_t
 #define xdr_uint64_t xdr_u_int64_t
 #endif
-  
+
+#ifdef __illumos__
+#define u_int16_t uint16_t
+#define u_int32_t uint32_t
+#define u_int64_t uint64_t
+#endif
+
   static u_int64_t ENDOFLIST =   0xFFFFFFFFFFFFFFFF;
 //  void writeCData(XDR *xdrs, BaseGDL* var);
 //  BaseGDL* readCData(EnvT* e, XDR *xdrs);