diff --git a/config.pri b/config.pri
index 6fea298..95b6418 100644
--- a/config.pri
+++ b/config.pri
@@ -29,6 +29,10 @@ CHART_BUILD_BIN_DIR = $$SHADOW/bin
 CHART_BUILD_PLUGIN_DIR = $$CHART_BUILD_BIN_DIR/QtCommercial/Chart
 CHART_BUILD_DOC_DIR = $$SHADOW/doc
 
+# Use own folders for debug and release builds
+CONFIG(debug, debug|release):CHART_BUILD_DIR = $$join(CHART_BUILD_DIR,,,/debug)
+CONFIG(release, debug|release): CHART_BUILD_DIR = $$join(CHART_BUILD_DIR,,,/release)
+
 win32:{
     CHART_BUILD_PUBLIC_HEADER_DIR = $$replace(CHART_BUILD_PUBLIC_HEADER_DIR, "/","\\")
     CHART_BUILD_PRIVATE_HEADER_DIR = $$replace(CHART_BUILD_PRIVATE_HEADER_DIR, "/","\\")
diff --git a/plugins/declarative/declarative.pro b/plugins/declarative/declarative.pro
index c2e8fee..7eb4fa6 100644
--- a/plugins/declarative/declarative.pro
+++ b/plugins/declarative/declarative.pro
@@ -10,6 +10,17 @@ contains(QT_MAJOR_VERSION, 5) {
     DEFINES += QTQUICK2
 }
 
+CONFIG(debug, debug|release) {
+  mac: TARGET = $$join(TARGET,,,_debug)
+  win32: TARGET = $$join(TARGET,,,d)
+}
+
+# enable building debug and release at the same time
+CONFIG += debug_and_release
+
+# On windows by default build both debug and release at the same time
+win32:CONFIG += build_all
+
 SOURCES += \
     plugin.cpp \
     declarativechart.cpp \
diff --git a/src/src.pro b/src/src.pro
index d774f36..d11795a 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -19,6 +19,12 @@ unix:{
   QMAKE_CXXFLAGS += -fvisibility=hidden -fvisibility-inlines-hidden
 }
 
+# enable building debug and release at the same time
+CONFIG += debug_and_release
+
+# On windows by default build both debug and release at the same time
+win32:CONFIG += build_all
+
 ############################# DEPEDENCES ########################################
 
 win32-msvc*: LIBS += User32.lib