diff --git a/charts.pro b/charts.pro
index e8410a0..313d47a 100644
--- a/charts.pro
+++ b/charts.pro
@@ -1,5 +1,9 @@
+!include(common.pri) {
+ error('missing common.pri')
+}
+
 TEMPLATE = subdirs
-SUBDIRS +=  src example #qmlplugin
+SUBDIRS +=  src example test
 CONFIG += ordered
 QMAKE_CXXFLAGS += -g -Wall
 QMAKE_DISTCLEAN += -r build bin 
diff --git a/common.pri b/common.pri
index 9185773..4d7f581 100644
--- a/common.pri
+++ b/common.pri
@@ -1,6 +1,8 @@
+CONFIG+=internal_build #remove if you want to build against installed libs
+
 CHART_BUILD_HEADER_DIR = $$PWD/include
 CHART_BUILD_LIB_DIR = $$PWD/lib
 CHART_BUILD_DIR = $$PWD/build
 CHART_BUILD_BIN = $$PWD/bin
-CONFIG+=build_examples
+
 
diff --git a/example/linechart/linechart.pro b/example/linechart/linechart.pro
index 36601da..35a439e 100644
--- a/example/linechart/linechart.pro
+++ b/example/linechart/linechart.pro
@@ -1,13 +1,15 @@
-CONFIG += internal_build
+!include( ../../common.pri ) {
+ error( Couldn't find the common.pri file! )
+}
+
+!include( ../../internal.pri ) {
+ error( Couldn't find the internal.pri file !)
+}
 
 TARGET = lineChart
 TEMPLATE = app
 QT += core gui
 SOURCES += main.cpp
 
-!include( ../../common.pri ) {
- message('missing common pri')
- CONFIG += qtcommercialchart
-}
 
 
diff --git a/example/example.pri b/internal.pri
similarity index 83%
rename from example/example.pri
rename to internal.pri
index 258cb9a..067c473 100644
--- a/example/example.pri
+++ b/internal.pri
@@ -1,12 +1,13 @@
-build_examples:{
+internal_build:{
     message('Internal build within charts core source tree')
     INCLUDEPATH += $$CHART_BUILD_HEADER_DIR
     LIBS += -L $$CHART_BUILD_LIB_DIR -Wl,-rpath,$$CHART_BUILD_LIB_DIR
     DESTDIR = $$CHART_BUILD_BIN
     CONFIG(debug, debug|release) {
     LIBS += -lQtCommercialChartd
-} else {
+    } else {
     LIBS += -lQtCommercialChart
-}
-
+    }
+}else{
+   CONFIG+=qtcommercialchart
 }
diff --git a/src/src.pro b/src/src.pro
index 1e763d0..d93f31b 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -2,11 +2,13 @@
 error( Couldn't find the common.pri file! )
 }
 
+
 TARGET = QtCommercialChart
 DESTDIR = $$CHART_BUILD_LIB_DIR
 TEMPLATE = lib
 QT += core \
     gui
+CONFIG -= internal_build
 CONFIG += debug_and_release
 CONFIG(debug, debug|release):TARGET = QtCommercialChartd
 
diff --git a/test/chartwidgettest/chartwidgettest.pro b/test/chartwidgettest/chartwidgettest.pro
index a301da6..8142462 100644
--- a/test/chartwidgettest/chartwidgettest.pro
+++ b/test/chartwidgettest/chartwidgettest.pro
@@ -1,3 +1,12 @@
+!include( ../../common.pri ) {
+error( Couldn't find the common.pri file! )
+}
+
+!include( ../../internal.pri ) {
+error( Couldn't find the internal.pri file! )
+}
+
+
 TARGET = chartwidgettest
 TEMPLATE = app
 
@@ -6,7 +15,6 @@ contains(QT_MAJOR_VERSION, 5) {
     QT += widgets
 }
 
-CONFIG += qtcommercialchart
 
 OBJECTS_DIR = tmp
 MOC_DIR = tmp
@@ -22,12 +30,4 @@ HEADERS += \
 #    qscatterseries.h \
 #    qseriespointgraphicsitem.h \
     dataseriedialog.h
-
-
-
-
-
-
-
-
-
+
diff --git a/test/test.pro b/test/test.pro
new file mode 100644
index 0000000..22ca591
--- /dev/null
+++ b/test/test.pro
@@ -0,0 +1,2 @@
+TEMPLATE = subdirs
+SUBDIRS += chartwidgettest