diff -U3 -r a/src/Config.pri b/src/Config.pri
--- a/src/Config.pri	2008-06-06 22:08:06.000000000 +0200
+++ b/src/Config.pri	2008-06-08 03:50:16.000000000 +0200
@@ -80,11 +80,11 @@
 win32:QMAKE_CXXFLAGS     *= /GR /GX
 win32:QMAKE_CFLAGS       *= /GR /GX
 irix-n32:QMAKE_CFLAGS    *= -LANG:std
-irix-n32:QMAKE_CXXFLAGS  *= -LANG:std
-linux-g++:QMAKE_CFLAGS   *= -Wno-deprecated
-linux-g++:QMAKE_CXXFLAGS *= -Wno-deprecated
-cygwin-g++:QMAKE_CFLAGS   *= -Wno-deprecated
-cygwin-g++:QMAKE_CXXFLAGS *= -Wno-deprecated -mno-win32
+QMAKE_CXXFLAGS  *= -LANG:std
+QMAKE_CFLAGS   *= -Wno-deprecated -fPIC
+QMAKE_CXXFLAGS *= -Wno-deprecated -fPIC
+QMAKE_CFLAGS   *= -Wno-deprecated -fPIC
+QMAKE_CXXFLAGS *= -Wno-deprecated -fPIC
 mac:QMAKE_CFLAGS         *= -Wno-deprecated
 mac:QMAKE_CXXFLAGS       *= -Wno-deprecated
 
diff -U3 -r a/src/geometry/Grid.h b/src/geometry/Grid.h
--- a/src/geometry/Grid.h	2008-06-06 22:08:06.000000000 +0200
+++ b/src/geometry/Grid.h	2008-06-06 22:05:52.000000000 +0200
@@ -321,7 +321,7 @@
           for (OccludersSet::iterator it = occluders.begin();
               it != occluders.end();
               it++) {
-                  if ((unsigned)(*it)->userdata2 != _timestamp) {
+                  if ((unsigned long)(*it)->userdata2 != _timestamp) {
                       (*it)->userdata2 = (void*)_timestamp;
                       visitor.examineOccluder(*it);
                   }
diff -U3 -r a/src/libconfig.pri b/src/libconfig.pri
--- a/src/libconfig.pri	2008-06-06 22:08:06.000000000 +0200
+++ b/src/libconfig.pri	2008-06-07 22:23:44.000000000 +0200
@@ -1,110 +1,32 @@
 # This file should be viewed as a -*- mode: Makefile -*-
 
-contains( CONFIG, 3ds1.20 ) {
   message ("Using 3ds 1.2.0 module")
-  linux-g++:INCLUDEPATH  *= $(HOME)/INCLUDE/LINUX
-  linux-g++:LIBS         *= -L$(HOME)/LIB/LINUX -l3ds
-  cygwin-g++:INCLUDEPATH  *= /usr/lib/lib3ds-1.2.0
-  cygwin-g++:LIBS         *= -L/usr/lib/lib3ds-1.2.0/lib3ds -l3ds
-  mac:INCLUDEPATH *= /usr/local/include
-  mac:LIBS         *= -l3ds
-  mac:QMAKE_LIBDIR *= /usr/local/lib
-  win32:    INCLUDEPATH  *= C:\include\lib3ds\1.2.0
-  win32:    QMAKE_LIBDIR *= C:\lib\lib3ds\1.2.0
-  win32:debug:    LIBS         *= lib3ds-120sd.lib
-  win32:release:    LIBS         *= lib3ds-120s.lib
-}
-
-contains( CONFIG, 3ds1.30 ) {
-  message ("Using 3ds 1.3.0 module")
-  linux-g++:INCLUDEPATH  *= $(HOME)/INCLUDE/LINUX
-  linux-g++:LIBS         *= -L$(HOME)/LIB/LINUX -l3ds
-  cygwin-g++:INCLUDEPATH  *= /usr/lib/lib3ds-1.3.0
-  cygwin-g++:LIBS         *= -L/usr/lib/lib3ds-1.3.0/lib3ds -l3ds
-  mac:INCLUDEPATH *= /usr/local/include
-  mac:LIBS         *= -l3ds
-  mac:QMAKE_LIBDIR *= /usr/local/lib
-  win32:    INCLUDEPATH  *= C:\include\lib3ds\1.3.0
-  win32:    QMAKE_LIBDIR *= C:\lib\lib3ds\1.3.0
-  win32:debug:    LIBS         *= lib3ds-1_3d.lib
-  win32:release:    LIBS         *= lib3ds-1_3.lib
-}
+  INCLUDEPATH  *= $(lib3ds)/include
+  LIBS         *= -L$(lib3ds)/lib -l3ds
 
 contains( CONFIG, qglviewer ) {
   message ("Using QGLViewer module")
   CONFIG *= qt thread opengl glut
-  linux-g++:INCLUDEPATH *= $(HOME)/INCLUDE
-  linux-g++:LIBS        *= -L$(HOME)/LIB/LINUX -lQGLViewer
-  cygwin-g++:LIBS        *= -lQGLViewer
-  win32:    INCLUDEPATH  *= $(HOME)\INCLUDE
-  win32:    QMAKE_LIBDIR *= $(HOME)\LIB
-  win32:    LIBS        *= QGLViewer.lib
+  INCLUDEPATH *= $(mesa)/include
+  LIBS        *= -L$(mesa)/lib -lQGLViewer
+  LIBS        *= -lQGLViewer
 }
 
-contains( CONFIG, python2.3) {
-  message ("Using python 2.3 module")
-  linux-g++:INCLUDEPATH *= /usr/include/python2.3
-  linux-g++:LIBS	*= -lpthread -lm -lutil	
-  linux-g++:LIBS        *= -L/usr/local/lib/ -lpython2.3 -L$(HOME)/LIB/LINUX 
-  win32:    INCLUDEPATH *= C:\python23\include
-  win32:    QMAKE_LIBDIR *= C:\python23\libs
-  win32:    LIBS        *= python23.lib
-}
-
-contains( CONFIG, python2.4) {
-  message ("Using python 2.4 module")
-  linux-g++:INCLUDEPATH *= /usr/include/python2.4
-  linux-g++:LIBS	*= -lpthread -lm -lutil	
-  linux-g++:LIBS        *= -L/usr/local/lib/ -lpython2.4 -L$(HOME)/LIB/LINUX
-  cygwin-g++:INCLUDEPATH *= /usr/include/python2.4
-  cygwin-g++:LIBS	*= -lpthread -lm -lutil	
-  cygwin-g++:LIBS        *= -L/usr/lib/python2.4/config -lpython2.4 
-  win32:    INCLUDEPATH *= C:\python24\include
-  win32:    QMAKE_LIBDIR *= C:\python24\libs
-  win32:    LIBS        *= python24.lib
-}
-
-contains( CONFIG, python2.5) {
-  message ("Using python 2.5 module")
-  linux-g++:INCLUDEPATH *= /usr/include/python2.5
-  linux-g++:LIBS	*= -lpthread -lm -lutil	
-  linux-g++:LIBS        *= -L/usr/local/lib/ -lpython2.5 -L$(HOME)/LIB/LINUX
-  mac:	    INCLUDEPATH *= /usr/include/python2.5
-  mac:      LIBS        *= -L/usr/lib/python2.5/config -lpython2.5
-  cygwin-g++:INCLUDEPATH *= /usr/include/python2.5
-  cygwin-g++:LIBS	*= -lpthread -lm -lutil	
-  cygwin-g++:LIBS        *= -L/usr/lib/python2.5/config -lpython2.5 
-  win32:    INCLUDEPATH *= C:\python25\include
-  win32:    QMAKE_LIBDIR *= C:\python25\libs
-  win32:    LIBS        *= python25.lib
-}
+message ("Using python ${PYTHON_VERSION} module")
+INCLUDEPATH *= ${python}/include/python${PYTHON_VERSION}
+LIBS	*= -lpthread -lm -lutil	
+LIBS        *= -L${python}/lib -lpython${PYTHON_VERSION} -L$(HOME)/LIB/LINUX
 
 
 contains( CONFIG, glut) {
   message ("Using glut module")
-  linux-g++:LIBS *= -lglut -lXi
-  cygwin-g++:LIBS *= -lglut -lXi
-  mac: LIBS *= -framework Glut
-  win32:INCLUDEPATH *= C:\include
-  win32: QMAKE_LIBDIR *= C:\lib\glut
-  win32: LIBS *= glut32.lib
+  INCLUDEPATH *= ${freeglut}/include
+  LIBS *= -lglut -lXi -L{freeglut}/lib
 }
 
 contains( CONFIG, qglviewer2 ) {
-  message ("Using QGLViewer module")
+  MESSAGE ("Using QGLViewer module")
   CONFIG *= qt thread opengl glut
-  linux-g++:INCLUDEPATH *= $(HOME)/INCLUDE
-  linux-g++:LIBS        *= -L$(HOME)/LIB/LINUX -lQGLViewer
-  mac: LIBS *= -lQGLViewer
-  cygwin-g++:LIBS        *= -lQGLViewer2
-  win32:    INCLUDEPATH  *= C:\include\QGLViewer\2.2.5
-  win32{
-    release{
-      QMAKE_LIBDIR *= C:\lib\QGLViewer\release
-    }
-    debug{
-      QMAKE_LIBDIR *= C:\lib\QGLViewer\debug
-    }
-  }
-  win32:    LIBS        *= QGLViewer2.lib
+  INCLUDEPATH *= $(libQGLViewer)/include
+  LIBS        *= -L$(libQGLViewer)/lib -lQGLViewer
 }
diff -U3 -r a/src/swig/Makefile b/src/swig/Makefile
--- a/src/swig/Makefile	2008-06-06 22:08:06.000000000 +0200
+++ b/src/swig/Makefile	2008-06-08 01:17:31.000000000 +0200
@@ -19,14 +19,15 @@
 LIBDIR    = ../../build/${PLATEFORM}/${BUILD}/lib/python
 IPATH     = -I../geometry -I../image -I../scene_graph -I../stroke \
             -I../system -I../view_map -I../winged_edge \
-            -I/usr/include/python${PYTHON_VERSION_MAJ}.${PYTHON_VERSION_MIN}
+            -I${python}/include/python${PYTHON_VERSION}
 # options to compile with static python : -lpthread -lm -lutil -shared -Xlinker -x -export-dynamic
 #OPTI      = -lpthread -lm -lutil -shared -Xlinker -x -export-dynamic #-O3 -funroll-loops -fomit-frame-pointer -ffast-math -march=i686
 DBUG      = #-ggdb #-pg
 WARN	  = -w #-W -Wall #-pedantic -ansi
 
-CFLAGS    = ${OPTI} ${DBUG} ${WARN} ${IPATH}
-LDFLAGS   = ${OPTI} ${DBUG} ${WARN} ${LPATH}
+CFLAGS    = ${OPTI} ${DBUG} ${WARN} ${IPATH} -fPIC
+LDFLAGS   = ${OPTI} ${DBUG} ${WARN} ${LPATH} -L${python}/lib
+
 
 SWIG_SRC  = Freestyle.i
 PY_SRC    = ${SWIG_SRC:.i=.py}
