Test the use of target transitive compile definitions with moc.

Tests/QtAutomoc/CMakeLists.txt

@@ -5,6 +5,9 @@ project(QtAutomoc)
 if (QT_TEST_VERSION STREQUAL 4)
   find_package(Qt4 REQUIRED)
 
+  # Include this directory before using the UseQt4 file.
+  add_subdirectory(defines_test)
+
   include(UseQt4)
 
   set(QT_QTCORE_TARGET Qt4::QtCore)

Tests/QtAutomoc/defines_test/CMakeLists.txt

@@ -0,0 +1,6 @@
+
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+add_executable(defines_test defines_test.cpp)
+set_target_properties(defines_test PROPERTIES AUTOMOC TRUE)
+target_link_libraries(defines_test Qt4::QtGui)

Tests/QtAutomoc/defines_test/defines_test.cpp

@@ -0,0 +1,38 @@
+
+#include <QObject>
+
+#ifdef QT_GUI_LIB
+#include <QTextDocument>
+
+class SomeDocument : public QTextDocument
+{
+  Q_OBJECT
+
+Q_SIGNALS:
+  void someSig();
+};
+#endif
+
+#ifdef QT_CORE_LIB
+class SomeObject : public QObject
+{
+  Q_OBJECT
+
+Q_SIGNALS:
+  void someSig();
+};
+#endif
+
+int main(int argc, char **argv)
+{
+#ifdef QT_CORE_LIB
+  QMetaObject sosmo = SomeObject::staticMetaObject;
+#endif
+#ifdef QT_GUI_LIB
+  QMetaObject sdsmo = SomeDocument::staticMetaObject;
+#endif
+
+  return 0;
+}
+
+#include "defines_test.moc"