include "libslic3r" from slic3r project directly, not as "../../libslicer"

(rely on -Ilibslic3r set correctly) for the slic3r project.

src/slic3r/Config/Snapshot.cpp

@@ -12,10 +12,10 @@
 #include <boost/property_tree/ini_parser.hpp>
 #include <boost/property_tree/ptree.hpp>
 
-#include "../../libslic3r/libslic3r.h"
-#include "../../libslic3r/Config.hpp"
-#include "../../libslic3r/FileParserError.hpp"
-#include "../../libslic3r/Utils.hpp"
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Config.hpp"
+#include "libslic3r/FileParserError.hpp"
+#include "libslic3r/Utils.hpp"
 
 #define SLIC3R_SNAPSHOTS_DIR "snapshots"
 #define SLIC3R_SNAPSHOT_FILE "snapshot.ini"

src/slic3r/Config/Version.cpp

@@ -4,10 +4,10 @@
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/nowide/fstream.hpp>
 
-#include "../../libslic3r/libslic3r.h"
-#include "../../libslic3r/Config.hpp"
-#include "../../libslic3r/FileParserError.hpp"
-#include "../../libslic3r/Utils.hpp"
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Config.hpp"
+#include "libslic3r/FileParserError.hpp"
+#include "libslic3r/Utils.hpp"
 
 namespace Slic3r { 
 namespace GUI {

src/slic3r/Config/Version.hpp

@@ -6,7 +6,7 @@
 
 #include <boost/filesystem.hpp>
 
-#include "../../libslic3r/FileParserError.hpp"
+#include "libslic3r/FileParserError.hpp"
 #include "../Utils/Semver.hpp"
 
 namespace Slic3r { 

src/slic3r/GUI/AppConfig.cpp

@@ -1,5 +1,5 @@
-#include "../../libslic3r/libslic3r.h"
-#include "../../libslic3r/Utils.hpp"
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Utils.hpp"
 #include "AppConfig.hpp"
 
 #include <stdio.h>

src/slic3r/GUI/BitmapCache.hpp

@@ -6,8 +6,8 @@
     #include <wx/wx.h>
 #endif
 
-#include "../../libslic3r/libslic3r.h"
-#include "../../libslic3r/Config.hpp"
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Config.hpp"
 
 #include "GUI.hpp"
 

src/slic3r/GUI/GLCanvas3DManager.hpp

@@ -1,7 +1,7 @@
 #ifndef slic3r_GLCanvas3DManager_hpp_
 #define slic3r_GLCanvas3DManager_hpp_
 
-#include "../../libslic3r/BoundingBox.hpp"
+#include "libslic3r/BoundingBox.hpp"
 
 #include <map>
 #include <vector>

src/slic3r/GUI/GLGizmo.hpp

@@ -5,8 +5,8 @@
 
 #include "../../slic3r/GUI/GLTexture.hpp"
 #include "../../slic3r/GUI/GLCanvas3D.hpp"
-#include "../../libslic3r/Point.hpp"
-#include "../../libslic3r/BoundingBox.hpp"
+#include "libslic3r/Point.hpp"
+#include "libslic3r/BoundingBox.hpp"
 
 #include <array>
 #include <vector>

src/slic3r/GUI/GLShader.cpp

@@ -2,7 +2,7 @@
 
 #include "GLShader.hpp"
 
-#include "../../libslic3r/Utils.hpp"
+#include "libslic3r/Utils.hpp"
 #include <boost/nowide/fstream.hpp>
 
 #include <string>

src/slic3r/GUI/GLShader.hpp

@@ -1,8 +1,8 @@
 #ifndef slic3r_GLShader_hpp_
 #define slic3r_GLShader_hpp_
 
-#include "../../libslic3r/libslic3r.h"
-#include "../../libslic3r/Point.hpp"
+#include "libslic3r/libslic3r.h"
+#include "libslic3r/Point.hpp"
 
 namespace Slic3r {
 

src/slic3r/GUI/GLToolbar.cpp

@@ -1,7 +1,8 @@
-#include "../../libslic3r/Point.hpp"
+#include "libslic3r/Point.hpp"
+#include "libslic3r/libslic3r.h"
+
 #include "GLToolbar.hpp"
 
-#include "../../libslic3r/libslic3r.h"
 #include "../../slic3r/GUI/GLCanvas3D.hpp"
 
 #include <GL/glew.h>

src/slic3r/GUI/GUI_Preview.hpp

@@ -2,7 +2,7 @@
 #define slic3r_GUI_Preview_hpp_
 
 #include <wx/panel.h>
-#include "../../libslic3r/Point.hpp"
+#include "libslic3r/Point.hpp"
 
 #include <string>
 

src/slic3r/Utils/Http.cpp

@@ -10,7 +10,7 @@
 
 #include <curl/curl.h>
 
-#include "../../libslic3r/libslic3r.h"
+#include "libslic3r/libslic3r.h"
 
 namespace fs = boost::filesystem;