Project: Exclude project directory from include path

Some environments include the project directory by default, and some
don't (e.g. qbs).

In order to avoid compilation errors on the environments that don't,
unconditionally exclude the project directory.

Change-Id: I8552a269735b42efff1839fb18ce863eed711b7a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

qtcreator.pri

@@ -107,7 +107,9 @@ for(dir, QTC_PLUGIN_DIRS) {
     INCLUDEPATH += $$dir
 }
 
-CONFIG += depend_includepath
+CONFIG += \
+    depend_includepath \
+    no_include_pwd
 
 LIBS += -L$$IDE_LIBRARY_PATH
 

src/qtcreatorplugin.pri

@@ -62,6 +62,7 @@ isEmpty(USE_USER_DESTDIR) {
     DESTDIR = "$$DESTDIRBASE/QtProject/$$DESTDIRAPPNAME/plugins/$$QTCREATOR_VERSION"
 }
 LIBS += -L$$DESTDIR
+INCLUDEPATH += $$OUT_PWD
 
 # copy the plugin spec
 isEmpty(TARGET) {