diff -up inetvis-0.9.3.1/src/dataproc.cpp.orig inetvis-0.9.3.1/src/dataproc.cpp
--- inetvis-0.9.3.1/src/dataproc.cpp.orig	2008-08-14 18:24:48.000000000 +0200
+++ inetvis-0.9.3.1/src/dataproc.cpp	2008-08-14 18:25:32.000000000 +0200
@@ -2,6 +2,7 @@
 #include <glviswidget.h>
 #include <iostream>
 #include <stdio.h>
+#include <stdlib.h>
 
 using namespace std; //for debugging purposes
 
diff -up inetvis-0.9.3.1/src/glviswidget.cpp.orig inetvis-0.9.3.1/src/glviswidget.cpp
--- inetvis-0.9.3.1/src/glviswidget.cpp.orig	2008-08-14 21:27:22.000000000 +0200
+++ inetvis-0.9.3.1/src/glviswidget.cpp	2008-08-15 10:34:22.000000000 +0200
@@ -4,6 +4,7 @@
 //#include <plotter.h>
 #include <dataproc.h>
 #include "logui.h"
+#include "glviswidget.h"
 
 using namespace std;
 
@@ -26,7 +27,8 @@ GLVisWidget::GLVisWidget(QWidget *parent
    blending = false;
 
    //set background related colours
-   setBackgroundCol(BLACK_BACKGROUND); //default
+   //setBackgroundCol(BLACK_BACKGROUND); //default
+   backgroundCol = BLACK_BACKGROUND;
 
    //set refrence for list id
    referenceAxesList = 1;
@@ -161,10 +163,13 @@ void GLVisWidget::initializeGL()
    glLineWidth(globalLineWidth);
 
    //set background colour
+   /*
    if (backgroundCol == BLACK_BACKGROUND)
       glClearColor(0.0, 0.0, 0.0, 0.0);
    else
       glClearColor(1.0, 1.0, 1.0, 0.0);
+   */
+   setBackgroundCol(backgroundCol);
 
    //set memmory data alignment for capturing frames
    glPixelStorei(GL_PACK_ALIGNMENT, 1); //align to byte rather than the default
diff -up inetvis-0.9.3.1/src/glviswidget.h.orig inetvis-0.9.3.1/src/glviswidget.h
--- inetvis-0.9.3.1/src/glviswidget.h.orig	2007-11-18 02:37:01.000000000 +0100
+++ inetvis-0.9.3.1/src/glviswidget.h	2008-08-14 18:18:37.000000000 +0200
@@ -44,6 +44,9 @@ Street, Fifth Floor, Boston, MA 02110-13
  *
  */
 
+#ifndef GLVISWIDGET_H_INCLUDED
+#define GLVISWIDGET_H_INCLUDED
+
 //To use nvidia development GL header
 //#include "/usr/share/doc/nvidia-glx-dev/include/GL/gl.h"
 
@@ -302,3 +305,6 @@ signals:
    void showReferenceFrameSettings();
 
 };
+
+#endif  // GLVISWIDGET_H_INCLUDED
+
diff -up inetvis-0.9.3.1/src/helpdocumentationdialog.ui.h.orig inetvis-0.9.3.1/src/helpdocumentationdialog.ui.h
--- inetvis-0.9.3.1/src/helpdocumentationdialog.ui.h.orig	2007-11-18 02:37:01.000000000 +0100
+++ inetvis-0.9.3.1/src/helpdocumentationdialog.ui.h	2008-08-14 18:18:37.000000000 +0200
@@ -47,14 +47,19 @@ Street, Fifth Floor, Boston, MA 02110-13
 
 void HelpDocumentationDialog::init()
 {
-    helpTextBrowser->mimeSourceFactory()->setFilePath(QDir::currentDirPath() + "/doc");
+#ifdef INETVIS_DOCDIR
+    QString docdir = INETVIS_DOCDIR;
+#else
+    QString docdir = QDir::currentDirPath() + "/doc";
+#endif
+    helpTextBrowser->mimeSourceFactory()->setFilePath(docdir);
 
     QString documentationFileRef;
     documentationFileRef = "inetvisdoc.html";
     QString altDocumentationText;
     altDocumentationText = "<h3>Documentation & Help pane</h3><p>if you see this message, there was an error reading the InetVis html manual providing documentation and help for the program. It should be installed in a 'doc/' directory relative to the inetvis binary.</p>";
 
-    if (QFile::exists("doc/" + documentationFileRef))
+    if (QFile::exists(docdir + documentationFileRef))
         helpTextBrowser->setSource(documentationFileRef);
     else
         helpTextBrowser->setText(altDocumentationText);
diff -up inetvis-0.9.3.1/src/inetvis.pro.orig inetvis-0.9.3.1/src/inetvis.pro
--- inetvis-0.9.3.1/src/inetvis.pro.orig	2007-11-18 02:35:13.000000000 +0100
+++ inetvis-0.9.3.1/src/inetvis.pro	2008-08-15 11:43:42.000000000 +0200
@@ -53,11 +53,12 @@ CONFIG   += release
 
 ## Linking
 CONFIG   += create_prl link_prl static
-QMAKE_LFLAGS_RELEASE = -m32
+#QMAKE_LFLAGS_RELEASE = -m32
 
 ## Optimization flags
-QMAKE_CFLAGS_RELEASE = -O3 -march=pentium4 -m32 -mfpmath=sse -mmmx -msse -msse2 -mno-sse3 -momit-leaf-frame-pointer -maccumulate-outgoing-args
-QMAKE_CXXFLAGS_RELEASE = $$QMAKE_CFLAGS_RELEASE
+#QMAKE_CFLAGS_RELEASE += -m32 -mfpmath=sse -mmmx -msse -msse2 -mno-sse3 -momit-leaf-frame-pointer -maccumulate-outgoing-args
+QMAKE_CFLAGS_RELEASE +=
+QMAKE_CXXFLAGS_RELEASE += $$QMAKE_CFLAGS_RELEASE
 
 ## end of CUSTOM SETTINGS ---------------------------------
 
diff -up inetvis-0.9.3.1/src/main.cpp.orig inetvis-0.9.3.1/src/main.cpp