diff --git a/FL/Fl_Pixmap.H b/FL/Fl_Pixmap.H
index 2c838e09c9adf36758edbcea7a334eb5ba62b969..6996cf4d735f6c2272ebf9d2af233cbd0aa2e909 100644
--- a/FL/Fl_Pixmap.H
+++ b/FL/Fl_Pixmap.H
@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Pixmap.H,v 1.6.2.4 2001/04/13 19:07:39 easysw Exp $"
+// "$Id: Fl_Pixmap.H,v 1.6.2.5 2001/04/23 20:52:52 easysw Exp $"
 //
 // Pixmap header file for the Fast Light Tool Kit (FLTK).
 //
@@ -34,8 +34,12 @@ struct Fl_Pixmap {
   int w, h; // set by first draw...
   ulong id; // for internal use (the pixmap)
   ulong mask; // for internal use (mask bitmap)
+#ifdef __sgi
+  Fl_Pixmap(char * const * d) : data((const char*const*)d), w(-1), h(0), id(0),mask(0) {}
+  Fl_Pixmap(uchar* const * d) : data((const char*const*)d), w(-1), h(0), id(0),mask(0) {}
+#endif /* __sgi */
   Fl_Pixmap(const char * const * d) : data(d), w(-1), h(0), id(0),mask(0) {}
-  Fl_Pixmap(const uchar* const * d) : data((char**)d), w(-1), h(0), id(0),mask(0) {}
+  Fl_Pixmap(const uchar* const * d) : data((const char*const*)d), w(-1), h(0), id(0),mask(0) {}
   FL_EXPORT ~Fl_Pixmap();
   FL_EXPORT void label(Fl_Widget*);
   FL_EXPORT void label(Fl_Menu_Item*);
@@ -46,5 +50,5 @@ struct Fl_Pixmap {
 #endif
 
 //
-// End of "$Id: Fl_Pixmap.H,v 1.6.2.4 2001/04/13 19:07:39 easysw Exp $".
+// End of "$Id: Fl_Pixmap.H,v 1.6.2.5 2001/04/23 20:52:52 easysw Exp $".
 //