diff --git a/charts.pro b/charts.pro
index 130f9c4..e8410a0 100644
--- a/charts.pro
+++ b/charts.pro
@@ -1,10 +1,10 @@
-TEMPLATE = subdirs
-SUBDIRS += src #qmlplugin
-
-QMAKE_CXXFLAGS += -g -Wall
-QMAKE_DISTCLEAN += -r build
-
-# install feature file
-feature.path = $$[QT_INSTALL_DATA]/mkspecs/features
-feature.files = $$PWD/features/qtcommercialchart.prf
-INSTALLS += feature
+TEMPLATE = subdirs
+SUBDIRS +=  src example #qmlplugin
+CONFIG += ordered
+QMAKE_CXXFLAGS += -g -Wall
+QMAKE_DISTCLEAN += -r build bin 
+
+# install feature file
+feature.path = $$[QT_INSTALL_DATA]/mkspecs/features
+feature.files = $$PWD/features/qtcommercialchart.prf
+INSTALLS += feature
diff --git a/example/example.pro b/example/example.pro
index 1c2d9eb..2d04f82 100644
--- a/example/example.pro
+++ b/example/example.pro
@@ -1,2 +1,2 @@
 TEMPLATE = subdirs
-SUBDIRS += linechart
\ No newline at end of file
+SUBDIRS += linechart
diff --git a/example/linechart/linechart.pro b/example/linechart/linechart.pro
index 1e1ebc3..36601da 100644
--- a/example/linechart/linechart.pro
+++ b/example/linechart/linechart.pro
@@ -1,8 +1,13 @@
+CONFIG += internal_build
+
 TARGET = lineChart
 TEMPLATE = app
-
 QT += core gui
+SOURCES += main.cpp
+
+!include( ../../common.pri ) {
+ message('missing common pri')
+ CONFIG += qtcommercialchart
+}
 
-CONFIG += qtcommercialchart
 
-SOURCES += main.cpp 
diff --git a/src/src.pro b/src/src.pro
index 7305006..1e763d0 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -1,4 +1,9 @@
+!include( ../common.pri ) {
+error( Couldn't find the common.pri file! )
+}
+
 TARGET = QtCommercialChart
+DESTDIR = $$CHART_BUILD_LIB_DIR
 TEMPLATE = lib
 QT += core \
     gui
@@ -33,10 +38,12 @@ HEADERS += $$PRIVATE_HEADERS
 INCLUDEPATH += xylinechart \
                .
 
-OBJECTS_DIR = ../build/lib
-MOC_DIR = ../build/lib
-UI_DIR = ../build/lib
-RCC_DIR = ../build/lib
+OBJECTS_DIR = $$CHART_BUILD_DIR/lib
+MOC_DIR = $$CHART_BUILD_DIR/lib
+UI_DIR = $$CHART_BUILD_DIR/lib
+RCC_DIR = $$CHART_BUILD_DIR/lib
+
+
 DEFINES += QTCOMMERCIALCHART_LIBRARY
 
 public_headers.path = $$[QT_INSTALL_HEADERS]/QtCommercialChart
@@ -45,5 +52,19 @@ target.path = $$[QT_INSTALL_LIBS]
 INSTALLS += target \
     public_headers
 
-
-
+
+install_build_headers.name = bild_headers
+install_build_headers.output = $$CHART_BUILD_HEADER_DIR/${QMAKE_FILE_BASE}.h
+install_build_headers.input = PUBLIC_HEADERS
+install_build_headers.commands = $$QMAKE_COPY ${QMAKE_FILE_NAME} $$CHART_BUILD_HEADER_DIR
+install_build_headers.CONFIG += target_predeps no_link
+QMAKE_EXTRA_COMPILERS += install_build_headers
+
+chartversion.target = qchartversion_p.h
+chartversion.commands = @echo "build_time" > $$chartversion.target;
+chartversion.depends = $$HEADERS $$SOURCES
+PRE_TARGETDEPS += qchartversion_p.h
+QMAKE_CLEAN+= qchartversion_p.h
+QMAKE_EXTRA_TARGETS += chartversion
+
+QMAKE_DISTCLEAN += -r $$CHART_BUILD_HEADER_DIR $$CHART_BUILD_LIB_DIR
\ No newline at end of file