diff --git a/PoissonRecon.pro b/PoissonRecon.pro
index 363a02a..a2e5b36 100755
--- a/PoissonRecon.pro
+++ b/PoissonRecon.pro
@@ -1,10 +1,25 @@
-INCLUDEPATH += ../../../../vcglib
+QT       -= core gui
 INCLUDEPATH -= .
-CONFIG += console stl
-TEMPLATE = app
+
+### begin mac specific part #################
+# On OSX xcode clang does NOT support OpenMP. 
+# Use these two lines if you installed an alternative clang with macport 
+# (something like 'sudo port install clang-3.9') 
+macx:QMAKE_CXX = clang++-mp-3.9
+macx:QMAKE_LFLAGS += -L/opt/local/lib/libomp -lomp
+
+# Use this if you want to use the standard clang distributed with xcode
+# macx:QMAKE_CXXFLAGS-= -fopenmp
+
 # Mac specific Config required to avoid to make application bundles
 CONFIG -= app_bundle
+### end of mac specific part #################
+
+QMAKE_CXXFLAGS+=-fopenmp -Wsign-compare -O3 -DRELEASE -funroll-loops -ffast-math
+
 CONFIG += console warn_off
+TEMPLATE = app
+
 SOURCES +=  Src/PoissonRecon.cpp \
             Src/MarchingCubes.cpp \
             Src/PlyFile.cpp \
@@ -12,8 +27,6 @@ SOURCES +=  Src/PoissonRecon.cpp \
             Src/Factor.cpp \
             Src/Geometry.cpp
 
-QMAKE_CXXFLAGS+=-fopenmp -Wsign-compare
-macx:QMAKE_CXXFLAGS-= -fopenmp
 
 TARGET=PoissonRecon