diff --git a/Makefile b/Makefile
index fd91d01..b500b2c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,9 @@
 all:
 	cd lib_paysages && make
+	cd gui_gtk && make
 
 clean:
 	cd lib_paysages && make clean
+	cd gui_gtk && make clean
 
 .PHONY:all clean
diff --git a/gui_gtk/Makefile b/gui_gtk/Makefile
new file mode 100644
index 0000000..08bff95
--- /dev/null
+++ b/gui_gtk/Makefile
@@ -0,0 +1,21 @@
+SOURCES=$(wildcard *.c)
+OBJECTS=${SOURCES:.c=.o}
+HEADERS=$(wildcard ../lib_paysages/shared/*.h ../lib_paysages/*.h *.h)
+RESULT=paysages-gtk
+CC_FLAGS=-g -pg -Wall $(shell pkg-config --cflags gtk+-3.0) -I..
+CC_LDFLAGS=$(shell pkg-config --libs gtk+-3.0) -L../lib_paysages/ -lpaysages
+
+all:${RESULT}
+
+clean:
+	rm -f ${OBJECTS}
+	rm -f ${RESULT}
+
+%.o:%.c ${HEADERS}
+	${CC} -c ${CC_FLAGS} $< -o $@
+
+${RESULT}:${OBJECTS}
+	${CC} $^ ${CC_LDFLAGS} -o $@
+
+.PHONY:all clean
+
diff --git a/gui_gtk/common.h b/gui_gtk/common.h
index 894d0ef..380d817 100644
--- a/gui_gtk/common.h
+++ b/gui_gtk/common.h
@@ -1,7 +1,7 @@
 #include <gtk/gtk.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
 
-#include "../shared/types.h"
+#include "lib_paysages/shared/types.h"
 
 #include <stdio.h>
 
@@ -24,6 +24,8 @@ static inline GtkWidget* _get_widget(const char* name, const char* file, int lin
 }
 #define GET_WIDGET(_name_) (_get_widget(_name_, __FILE__, __LINE__))
 
+void guiUpdate();
+
 void guiTerrainInit();
 
 void guiWaterInit();
diff --git a/gui_gtk/dlg_noise.c b/gui_gtk/dlg_noise.c
index b24b6f5..9566893 100644
--- a/gui_gtk/dlg_noise.c
+++ b/gui_gtk/dlg_noise.c
@@ -1,8 +1,8 @@
 /* Noise editor dialog */
 
 #include "common.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
 
 static GtkWidget* _dialog;
 static SmallPreview* _preview;
@@ -28,13 +28,13 @@ static Color _cbPreview2DRenderPixel(SmallPreview* preview, double x, double y,
 {
     Color col;
     double max_value;
-    
+
     /* TODO Cache this value */
     max_value = noiseGetMaxValue(_generator);
 
     col.r = col.g = col.b = (noiseGet2DTotal(_generator, x, y) / max_value) * 0.5 + 0.5;
     col.a = 1.0;
-    
+
     return col;
 }
 
@@ -42,16 +42,16 @@ static void _setPreviewMode(int mode)
 {
     GtkButton* button;
     double max_value;
-    
+
     max_value = noiseGetMaxValue(_generator);
-    
+
     button = GTK_BUTTON(GET_WIDGET("noise_editor_preview_mode"));
     if (mode == 1)
     {
         _current_mode = 1;
         guiPreviewSetRenderer(_preview, _cbPreview1DRenderPixel);
         gtk_button_set_label(button, "1D");
-        
+
         guiPreviewConfigScrolling(_preview, -max_value * 100.0, max_value * 100.0, -max_value, max_value);
     }
     else if (mode == 2)
@@ -59,10 +59,10 @@ static void _setPreviewMode(int mode)
         _current_mode = 2;
         guiPreviewSetRenderer(_preview, _cbPreview2DRenderPixel);
         gtk_button_set_label(button, "2D");
-        
+
         guiPreviewConfigScrolling(_preview, -max_value * 100.0, max_value * 100.0, -max_value * 100.0, max_value * 100.0);
     }
-    
+
     guiPreviewConfigScaling(_preview, max_value * 0.001, max_value * 0.1, max_value * 0.001);
     guiPreviewSetViewport(_preview, 0.0, 0.0, max_value * 0.01);
 }
@@ -75,7 +75,7 @@ static void _redrawPreview()
 static void _resetPreview()
 {
     _setPreviewMode(_current_mode);
-    
+
     _redrawPreview();
 }
 
diff --git a/gui_gtk/global.c b/gui_gtk/global.c
index 1aa3e53..c3f5387 100644
--- a/gui_gtk/global.c
+++ b/gui_gtk/global.c
@@ -2,8 +2,8 @@
 #include <gtk/gtk.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
 
-#include "../shared/functions.h"
-#include "../shared/constants.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
 #include "common.h"
 
 GtkBuilder* gui_definition;
@@ -106,3 +106,11 @@ void guiUpdate()
 
     guiPreviewRedrawAll();
 }
+
+int main(int argc, char** argv)
+{
+    paysagesInit();
+    guiInit();
+    guiStart();
+    return 0;
+}
diff --git a/gui_gtk/preview.c b/gui_gtk/preview.c
index 6e547af..0412a52 100644
--- a/gui_gtk/preview.c
+++ b/gui_gtk/preview.c
@@ -3,11 +3,10 @@
 #include <string.h>
 #include <math.h>
 #include "common.h"
-#include "../shared/types.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
-#include "../shared/system.h"
-#include "../water.h"
+#include "lib_paysages/shared/types.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
+#include "lib_paysages/shared/system.h"
 
 #define MAX_PREVIEWS 30
 
@@ -17,7 +16,7 @@ struct SmallPreview
     double conf_scroll_xmax;
     double conf_scroll_ymin;
     double conf_scroll_ymax;
-    
+
     double conf_scale_min;
     double conf_scale_max;
     double conf_scale_step;
@@ -241,7 +240,7 @@ static inline int _fixScaling(SmallPreview* preview, double scaling, double* new
 static int _cbMouseScroll(GtkEventBox* image, GdkEventScroll* event, gpointer data)
 {
     SmallPreview* preview = (SmallPreview*)data;
-    
+
     /* TODO Center the zoom on the cursor */
 
     if (event->direction == GDK_SCROLL_UP)
@@ -262,7 +261,7 @@ static int _cbMouseScroll(GtkEventBox* image, GdkEventScroll* event, gpointer da
         }
         mutexRelease(preview->lock);
     }
-    
+
     return 1;
 }
 
@@ -287,18 +286,18 @@ static int _cbMouseMove(GtkEventBox* image, GdkEventMotion* event, gpointer data
     if (event->state & GDK_BUTTON1_MASK)
     {
         mutexAcquire(preview->lock);
-        
+
         dx = (int)event->x - preview->mousex;
         dy = (int)event->y - preview->mousey;
-        
+
         if (_fixScroll(preview, dx, dy, &dx, &dy))
         {
             _scrollPixbuf(preview, dx, dy);
         }
-        
+
         preview->mousex = (int)event->x;
         preview->mousey = (int)event->y;
-        
+
         mutexRelease(preview->lock);
     }
 
diff --git a/gui_gtk/tab_clouds.c b/gui_gtk/tab_clouds.c
index 0c1ef4b..a7fe8de 100644
--- a/gui_gtk/tab_clouds.c
+++ b/gui_gtk/tab_clouds.c
@@ -1,9 +1,9 @@
 /* Terrain tab */
 
 #include "common.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
-#include "../clouds.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
+#include "lib_paysages/clouds.h"
 #include <math.h>
 
 static SmallPreview* _preview;
@@ -21,16 +21,16 @@ static void _revertCurrentLayer()
     {
         cloudsCopyDefinition(cloudsGetDefinition(_current_layer), &_definition);
     }
-    
+
     /* TODO Revert layer from config */
-    
+
     guiPreviewRedraw(_preview);
 }
 
 static void _applyCurrentLayer()
 {
     /* TODO Apply layer config */
-    
+
     guiUpdate();
 }
 
@@ -48,7 +48,7 @@ static void _revertAll()
         gtk_list_store_append(_list_layers_model, &row);
         gtk_list_store_set(_list_layers_model, &row, 0, layer.ymin, 1, layer.ymax - layer.ymin, -1);
     }
-    
+
     if (_current_layer < 0 || _current_layer >= n)
     {
         _current_layer = -1;
@@ -62,7 +62,7 @@ static Color _cbPreviewPixel(SmallPreview* preview, double x, double y, double x
 {
     Color result, layer_color;
     Vector3 start, end;
-    
+
     if (_current_layer < 0)
     {
         return COLOR_BLACK;
@@ -118,7 +118,7 @@ void guiCloudsInit()
     guiPreviewConfigScrolling(_preview, -10000.0, 10000.0, -10000.0, 10000.0);
     guiPreviewSetViewport(_preview, 0.0, 0.0, 10.0);
     guiPreviewSetRenderer(_preview, _cbPreviewPixel);
-    
+
     g_signal_connect(_list_layers, "cursor-changed", G_CALLBACK(_cbLayerSelected), NULL);
 
     guiCloudsUpdate();
diff --git a/gui_gtk/tab_render.c b/gui_gtk/tab_render.c
index 7228280..e9b59f0 100644
--- a/gui_gtk/tab_render.c
+++ b/gui_gtk/tab_render.c
@@ -1,10 +1,10 @@
 /* Terrain tab */
 
 #include "common.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
-#include "../shared/globals.h"
-#include "../shared/system.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
+#include "lib_paysages/shared/globals.h"
+#include "lib_paysages/shared/system.h"
 
 static GtkImage* _render_final;
 static GdkPixbuf* _render_buffer = NULL;
@@ -59,20 +59,20 @@ static void* _threadRender(void* data)
 static void _cbStartRender(GtkWidget* widget, gpointer data)
 {
     Thread* thread;
-    
+
     /* Prepare render */
     renderSetSize(gtk_spin_button_get_value(GTK_SPIN_BUTTON(GET_WIDGET("render_width"))), gtk_spin_button_get_value(GTK_SPIN_BUTTON(GET_WIDGET("render_height"))));
     autoSetRenderQuality((int)gtk_range_get_value(GTK_RANGE(GET_WIDGET("render_quality"))));
     gtk_widget_set_size_request(GET_WIDGET("render_preview"), render_width, render_height);
     gtk_image_clear(GTK_IMAGE(GET_WIDGET("render_preview")));
     renderSetPreviewCallbacks(_previewResize, _previewClear, _previewDraw, _previewUpdate);
-    
+
     /* Open render dialog */
     gtk_window_set_deletable(GTK_WINDOW(GET_WIDGET("dialog_render")), 0);
     gtk_widget_show(GET_WIDGET("dialog_render"));
     gtk_widget_set_sensitive(GET_WIDGET("render_stop"), 1);
     gtk_widget_set_sensitive(GET_WIDGET("render_close"), 0);
-    
+
     /* Do the render */
     _rendering = 1;
     thread = threadCreate(_threadRender, NULL);
@@ -85,7 +85,7 @@ static void _cbStartRender(GtkWidget* widget, gpointer data)
         }
     }
     threadJoin(thread);
-    
+
     /* Clean up */
     renderSetPreviewCallbacks(NULL, NULL, NULL, NULL);
     gtk_widget_set_sensitive(GET_WIDGET("render_stop"), 0);
diff --git a/gui_gtk/tab_sky.c b/gui_gtk/tab_sky.c
index 744c9b2..cf529fe 100644
--- a/gui_gtk/tab_sky.c
+++ b/gui_gtk/tab_sky.c
@@ -1,9 +1,9 @@
 /* Terrain tab */
 
 #include "common.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
-#include "../sky.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
+#include "lib_paysages/sky.h"
 #include <math.h>
 
 static SmallPreview* _preview_horizon;
diff --git a/gui_gtk/tab_terrain.c b/gui_gtk/tab_terrain.c
index b013e47..33765ce 100644
--- a/gui_gtk/tab_terrain.c
+++ b/gui_gtk/tab_terrain.c
@@ -1,7 +1,7 @@
 /* Terrain tab */
 
 #include "common.h"
-#include "../shared/functions.h"
+#include "lib_paysages/shared/functions.h"
 
 static SmallPreview* _preview;
 
@@ -11,7 +11,7 @@ static Color _cbPreviewRenderPixel(SmallPreview* preview, double x, double y, do
 
     result.r = result.g = result.b = terrainGetHeightNormalized(x, y);
     result.a = 1.0;
-    
+
     return result;
 }
 
@@ -30,7 +30,7 @@ static void _cbEditNoise(GtkWidget* widget, gpointer data)
 void guiTerrainInit()
 {
     g_signal_connect(GET_WIDGET("terrain_noise_edit"), "clicked", G_CALLBACK(_cbEditNoise), NULL);
-    
+
     _preview = guiPreviewNew(GTK_IMAGE(GET_WIDGET("terrain_preview")));
     guiPreviewConfigScaling(_preview, 0.01, 1.0, 0.05);
     guiPreviewConfigScrolling(_preview, -1000.0, 1000.0, -1000.0, 1000.0);
diff --git a/gui_gtk/tab_water.c b/gui_gtk/tab_water.c
index 55eef92..7c6eab4 100644
--- a/gui_gtk/tab_water.c
+++ b/gui_gtk/tab_water.c
@@ -1,9 +1,9 @@
 /* Terrain tab */
 
 #include "common.h"
-#include "../shared/functions.h"
-#include "../shared/constants.h"
-#include "../water.h"
+#include "lib_paysages/shared/functions.h"
+#include "lib_paysages/shared/constants.h"
+#include "lib_paysages/water.h"
 #include <math.h>
 
 static SmallPreview* _preview_coverage;
diff --git a/lib_paysages/Makefile b/lib_paysages/Makefile
index c55a780..81b14d1 100644
--- a/lib_paysages/Makefile
+++ b/lib_paysages/Makefile
@@ -3,7 +3,7 @@ OBJECTS=${SOURCES:.c=.o}
 HEADERS=$(wildcard shared/*.h *.h)
 RESULT=libpaysages.so
 CC_FLAGS=-g -pg -Wall $(shell pkg-config --cflags glib-2.0)
-CC_LDFLAGS=$(shell pkg-config --libs glib-2.0)
+CC_LDFLAGS=$(shell pkg-config --libs glib-2.0) -lIL -lILU
 
 all:${RESULT}
 
@@ -15,7 +15,7 @@ clean:
 	${CC} -c ${CC_FLAGS} $< -o $@
 
 ${RESULT}:${OBJECTS}
-	${CC} -o $@ -shared -Wl ${CC_LDFLAGS} $*
+	${CC} $^ -shared ${CC_LDFLAGS} -o $@
 
 .PHONY:all clean
 
diff --git a/lib_paysages/main.c b/lib_paysages/main.c
index 39cab06..572d589 100644
--- a/lib_paysages/main.c
+++ b/lib_paysages/main.c
@@ -12,94 +12,8 @@
 #include "shared/functions.h"
 #include "shared/globals.h"
 
-/*static char _filename[22];
-
-static void _setupFilename(int number)
+void paysagesInit()
 {
-    _filename[15] = (char)(97 + number / 26);
-    _filename[16] = (char)(97 + number % 26);
-}
-
-static void _doRender(int number, int postonly)
-{
-    _setupFilename(number);
-    fprintf(stderr, "Rendering %s...\n", _filename);
-
-    autoRenderAll(postonly);
-
-    fprintf(stderr, "Saving %s...\n", _filename);
-    remove(_filename);
-    renderSaveToFile(_filename);
-}
-
-static void _renderTurnTable(int count)
-{
-    int i;
-
-    for (i = 0; i < count; i++)
-    {
-        cameraSetLocation(sin(M_PI * 2.0 * (double)i / (double)count) * 20.0, 8.0, cos(M_PI * 2.0 * (double)i / (double)count) * 20.0);
-
-        _doRender(i, 0);
-    }
-}
-
-static void _renderFly(int count, double speed)
-{
-    int i;
-    double x, y, z, ty1;
-
-    x = 0.0;
-    y = 8.0;
-    z = 0.0;
-    for (i = 0; i < count; i++)
-    {
-        cameraSetLocation(x, y, z);
-        cameraSetTarget(x, y, z + 1.0);
-        _doRender(i, 0);
-
-        ty1 = terrainGetHeight(x, z);
-        if (y > ty1 + 9.0)
-        {
-            y -= speed;
-        }
-        if (y < ty1 + 7.0)
-        {
-            y += speed;
-        }
-        z += speed;
-    }
-}
-
-static void _renderDayTime(int count)
-{
-    int i;
-
-    for (i = 0; i < count; i++)
-    {
-        autoSetDaytimeFraction(0.4 + (double)i / (double)count);
-
-        _doRender(i, i > 0 ? 1 : 0);
-    }
-}
-
-static void _renderQuality()
-{
-    int i;
-
-    for (i = 1; i <= 10; i++)
-    {
-        autoSetRenderQuality(i);
-        renderSetSize(800, 600);
-
-        _doRender(i - 1, 0);
-    }
-}*/
-
-int main(int argc, char** argv)
-{
-    /*strcpy(_filename, "./output/result__.png");*/
-
     ilInit();
     iluInit();
 
@@ -107,20 +21,8 @@ int main(int argc, char** argv)
     cameraSetTarget(0.0, 5.0, 0.0);
 
     autoInit();
-    guiInit();
 
     autoSetRenderQuality(5);
     autoGenRealisticLandscape(0);
     autoSetDaytime(8, 30);
-
-    guiStart();
-
-    //_doRender(0, 0);
-    //_renderTurnTable(600);
-    //_renderDayTime(600);
-    //_renderFly(600, 0.1);
-    //_renderQuality();
-
-    return 0;
 }
-
diff --git a/lib_paysages/shared/functions.h b/lib_paysages/shared/functions.h
index 30c6277..246d994 100644
--- a/lib_paysages/shared/functions.h
+++ b/lib_paysages/shared/functions.h
@@ -4,6 +4,8 @@
 #include "types.h"
 #include <stdio.h>
 
+void paysagesInit();
+
 /* array.c */
 void arrayCreate(Array* array, int item_size);
 void arrayDelete(Array* array);
@@ -91,11 +93,6 @@ void fogSetColor(Color col);
 void fogSetDistance(double near, double far);
 Color fogApplyToLocation(Vector3 location, Color base);
 
-/* gui.c */
-void guiInit();
-void guiStart();
-void guiUpdate();
-
 /* lighting.c */
 void lightingSave(FILE* f);
 void lightingLoad(FILE* f);