diff --git a/charts.pro b/charts.pro
index 18d71ab..de6f78c 100644
--- a/charts.pro
+++ b/charts.pro
@@ -3,7 +3,15 @@
 }
 
 TEMPLATE = subdirs
-SUBDIRS += src qmlplugin example test
+SUBDIRS += src
+
+integrated_build:{
+ message('Configured for integrated build')
+SUBDIRS += example test qmlplugin
+}else{
+ message('Please build example test and qmlplugin after installing library.')
+}
+
 CONFIG += ordered
 QMAKE_CXXFLAGS += -g -Wall
 unix:QMAKE_DISTCLEAN += -r build bin 
diff --git a/common.pri b/common.pri
index 38921c2..a37e6ba 100644
--- a/common.pri
+++ b/common.pri
@@ -1,13 +1,15 @@
 CONFIG+=integrated_build #remove if you want to build against installed libs
 
-CHART_BUILD_HEADER_DIR = $$PWD/include
+CHART_BUILD_PUBLIC_HEADER_DIR = $$PWD/include
+CHART_BUILD_PRIVATE_HEADER_DIR = $$CHART_BUILD_PUBLIC_HEADER_DIR/private
 CHART_BUILD_LIB_DIR = $$PWD/lib
 CHART_BUILD_DIR = $$PWD/build
 CHART_BUILD_BIN_DIR = $$PWD/bin
 
 # hack to fix windows builds
 win32:{
-    CHART_BUILD_HEADER_DIR = $$replace(CHART_BUILD_HEADER_DIR, "/","\\")
+    CHART_BUILD_PUBLIC_HEADER_DIR = $$replace(CHART_BUILD_PUBLIC_HEADER_DIR, "/","\\")
+    CHART_BUILD_PRIVATE_HEADER_DIR = $$replace(CHART_BUILD_PRIVATE_HEADER_DIR, "/","\\")
     CHART_BUILD_LIB_DIR = $$replace(CHART_BUILD_LIB_DIR, "/","\\")
     CHART_BUILD_BUILD_DIR = $$replace(CHART_BUILD_BUILD_DIR, "/","\\")
     CHART_BUILD_BIN_DIR = $$replace(CHART_BUILD_BIN_DIR, "/","\\")
diff --git a/integrated.pri b/integrated.pri
index 8e154a1..6f3a977 100644
--- a/integrated.pri
+++ b/integrated.pri
@@ -1,6 +1,6 @@
 integrated_build:{
-    message('Internal build within charts core source tree')
-    INCLUDEPATH += $$CHART_BUILD_HEADER_DIR
+    message('Running integrated build against local libs...')
+    INCLUDEPATH += $$CHART_BUILD_PUBLIC_HEADER_DIR
 
     !win32: {
         LIBS += -L $$CHART_BUILD_LIB_DIR -Wl,-rpath,$$CHART_BUILD_LIB_DIR
@@ -45,5 +45,6 @@ integrated_build:{
     }
 
 } else {
+    message('Running build aginst system libs...')
     CONFIG+=qtcommercialchart
 }
diff --git a/src/src.pro b/src/src.pro
index 938da8f..28d8a48 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -89,15 +89,23 @@ public_headers.files = $$PUBLIC_HEADERS
 target.path = $$[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 \
+install_build_public_headers.name = bild_public_headers
+install_build_public_headers.output = $$CHART_BUILD_PUBLIC_HEADER_DIR/${QMAKE_FILE_BASE}.h
+install_build_public_headers.input = PUBLIC_HEADERS
+install_build_public_headers.commands = $$QMAKE_COPY \
     ${QMAKE_FILE_NAME} \
-    $$CHART_BUILD_HEADER_DIR
-install_build_headers.CONFIG += target_predeps \
+    $$CHART_BUILD_PUBLIC_HEADER_DIR
+install_build_public_headers.CONFIG += target_predeps \
     no_link
-QMAKE_EXTRA_COMPILERS += install_build_headers
+install_build_private_headers.name = bild_private_headers
+install_build_private_headers.output = $$CHART_BUILD_PRIVATE_HEADER_DIR/${QMAKE_FILE_BASE}.h
+install_build_private_headers.input = PRIVATE_HEADERS
+install_build_private_headers.commands = $$QMAKE_COPY \
+    ${QMAKE_FILE_NAME} \
+    $$CHART_BUILD_PRIVATE_HEADER_DIR
+install_build_private_headers.CONFIG += target_predeps \
+    no_link
+QMAKE_EXTRA_COMPILERS += install_build_public_headers install_build_private_headers
 chartversion.target = qchartversion_p.h
 chartversion.commands = @echo \
     "build_time" \