diff --git a/Graphics/Draw.cpp b/Graphics/Draw.cpp
index 7eef57c33aaad2b88ee94dc57e702c0b3f7b5c4c..d9b9b50cf8de8b953dec6f8d683d468813a11fc5 100644
--- a/Graphics/Draw.cpp
+++ b/Graphics/Draw.cpp
@@ -1,4 +1,4 @@
-// $Id: Draw.cpp,v 1.25 2001-08-06 16:47:57 geuzaine Exp $
+// $Id: Draw.cpp,v 1.26 2001-08-14 13:23:40 geuzaine Exp $
 
 #include "Gmsh.h"
 #include "GmshUI.h"
@@ -87,7 +87,7 @@ void Orthogonalize(int x, int y){
                    (GLdouble)(CTX.viewport[3]-y),
                    5.0,
                    5.0,
-                   CTX.viewport);
+                   (GLint*)CTX.viewport);
 
   Va = (GLdouble)(CTX.viewport[3]-CTX.viewport[1]) / 
        (GLdouble)(CTX.viewport[2]-CTX.viewport[0]) ;
diff --git a/Graphics/gl2ps.cpp b/Graphics/gl2ps.cpp
index 44332232cdb7df772862103719c39153df9b7256..317821abc4b2ea57b6f75de4ce8e39fa9382d788 100644
--- a/Graphics/gl2ps.cpp
+++ b/Graphics/gl2ps.cpp
@@ -5,7 +5,7 @@
  * GL2PS, an OpenGL to Postscript Printing Library
  * Copyright (C) 1999-2001  Christophe Geuzaine 
  *
- * $Id: gl2ps.cpp,v 1.25 2001-08-06 12:26:26 geuzaine Exp $
+ * $Id: gl2ps.cpp,v 1.26 2001-08-14 13:23:40 geuzaine Exp $
  *
  * E-mail: Christophe.Geuzaine@AdValvas.be
  * URL: http://www.geuz.org/gl2ps/
@@ -133,7 +133,7 @@ GLvoid *gl2psListPointer(GL2PSlist *list, GLint index){
 }
 
 GLvoid gl2psListSort(GL2PSlist *list,
-		     GLint (*fcmp)(const GLvoid *a, const GLvoid *b)){
+		     int (*fcmp)(const void *a, const void *b)){
   qsort(list->array, list->n, list->size, fcmp);
 }
 
@@ -433,7 +433,7 @@ GLvoid gl2psDivideQuad(GL2PSprimitive *quad,
   (*t1)->boundary = ((quad->boundary & 4) ? 2 : 0) | ((quad->boundary & 4) ? 2 : 0);
 }
 
-int gl2psCompareDepth(const GLvoid *a, const GLvoid *b){
+int gl2psCompareDepth(const void *a, const void *b){
   GL2PSprimitive *q,*w;
   GLfloat        diff;
 
@@ -448,7 +448,7 @@ int gl2psCompareDepth(const GLvoid *a, const GLvoid *b){
     return 0;
 }
 
-GLint gl2psTrianglesFirst(const GLvoid *a, const GLvoid *b){
+int gl2psTrianglesFirst(const void *a, const void *b){
   GL2PSprimitive *q,*w;
 
   q = *(GL2PSprimitive**)a;