Merge topic 'qt4-qt5-CMAKE_AUTOMOC'

fa55751 QtAutomoc: Get the Qt version through the target link interface
f776316 Use the qt5::moc imported target instead of a variable.

Modules/AutomocInfo.cmake.in

@@ -6,10 +6,9 @@ set(AM_MOC_OPTIONS @_moc_options@)
 set(AM_CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE "@CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE@")
 set(AM_CMAKE_BINARY_DIR "@CMAKE_BINARY_DIR@/")
 set(AM_CMAKE_SOURCE_DIR "@CMAKE_SOURCE_DIR@/")
-set(AM_QT_MOC_EXECUTABLE "@QT_MOC_EXECUTABLE@")
+set(AM_QT_MOC_EXECUTABLE "@_qt_moc_executable@")
 set(AM_CMAKE_CURRENT_SOURCE_DIR "@CMAKE_CURRENT_SOURCE_DIR@/")
 set(AM_CMAKE_CURRENT_BINARY_DIR "@CMAKE_CURRENT_BINARY_DIR@/")
-set(AM_QT_VERSION_MAJOR "@QT_VERSION_MAJOR@" )
-set(AM_Qt5Core_VERSION_MAJOR "@Qt5Core_VERSION_MAJOR@" )
+set(AM_QT_VERSION_MAJOR "@_target_qt_version@")
 set(AM_TARGET_NAME @_moc_target_name@)
 set(AM_RELAXED_MODE "@_moc_relaxed_mode@")

Source/cmQtAutomoc.cxx

@@ -309,6 +309,46 @@ void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
           cmLocalGenerator::EscapeForCMake(_moc_headers.c_str()).c_str());
   makefile->AddDefinition("_moc_relaxed_mode", relaxedMode ? "TRUE" : "FALSE");
 
+  const char *qtVersion = makefile->GetDefinition("Qt5Core_VERSION_MAJOR");
+  if (!qtVersion)
+    {
+    qtVersion = makefile->GetDefinition("QT_VERSION_MAJOR");
+    }
+  if (const char *targetQtVersion =
+      target->GetLinkInterfaceDependentStringProperty("QT_MAJOR_VERSION", 0))
+    {
+    qtVersion = targetQtVersion;
+    }
+  if (qtVersion)
+    {
+    makefile->AddDefinition("_target_qt_version", qtVersion);
+    }
+
+  {
+  const char *qtMoc = makefile->GetSafeDefinition("QT_MOC_EXECUTABLE");
+  makefile->AddDefinition("_qt_moc_executable", qtMoc);
+  }
+
+  if (strcmp(qtVersion, "5") == 0)
+    {
+    cmTarget *qt5Moc = makefile->FindTargetToUse("Qt5::moc");
+    if (!qt5Moc)
+      {
+      cmSystemTools::Error("Qt5::moc target not found ",
+                          automocTargetName.c_str());
+      return;
+      }
+    makefile->AddDefinition("_qt_moc_executable", qt5Moc->GetLocation(0));
+    }
+  else
+    {
+    if (strcmp(qtVersion, "4") != 0)
+      {
+      cmSystemTools::Error("The CMAKE_AUTOMOC feature supports only Qt 4 and "
+                          "Qt 5 ", automocTargetName.c_str());
+      }
+    }
+
   const char* cmakeRoot = makefile->GetSafeDefinition("CMAKE_ROOT");
   std::string inputFile = cmakeRoot;
   inputFile += "/Modules/AutomocInfo.cmake.in";

Tests/CMakeLists.txt

@@ -1044,6 +1044,20 @@ ${CMake_BINARY_DIR}/bin/cmake -DVERSION=master -P ${CMake_SOURCE_DIR}/Utilities/
       --test-command ${CMAKE_CTEST_COMMAND} -V
       )
     list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/Qt4Targets")
+
+    if(Qt5Widgets_FOUND AND NOT Qt5Widgets_VERSION VERSION_LESS 5.1.0)
+      add_test(Qt4And5Automoc ${CMAKE_CTEST_COMMAND}
+        --build-and-test
+        "${CMake_SOURCE_DIR}/Tests/Qt4And5Automoc"
+        "${CMake_BINARY_DIR}/Tests/Qt4And5Automoc"
+        ${build_generator_args}
+        --build-project Qt4And5Automoc
+        --build-exe-dir "${CMake_BINARY_DIR}/Tests/Qt4And5Automoc"
+        --force-new-ctest-process
+        --test-command ${CMAKE_CTEST_COMMAND} -V
+        )
+      list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/Qt4And5Automoc")
+    endif()
   endif()
 
   add_test(ExternalProject ${CMAKE_CTEST_COMMAND}

Tests/Qt4And5Automoc/CMakeLists.txt

@@ -0,0 +1,13 @@
+
+project(Qt4And5Automoc)
+
+find_package(Qt4 REQUIRED)
+find_package(Qt5Core REQUIRED)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+add_executable(qt4_exe main_qt4.cpp)
+target_link_libraries(qt4_exe Qt4::QtCore)
+add_executable(qt5_exe main_qt5.cpp)
+target_link_libraries(qt5_exe Qt5::Core)

Tests/Qt4And5Automoc/main.cpp

@@ -0,0 +1,18 @@
+
+#include <QObject>
+
+class SomeObject : public QObject
+{
+  Q_OBJECT
+public:
+  explicit SomeObject(QObject *parent = 0)
+    : QObject(parent)
+  {
+
+  }
+};
+
+int main(int argc, char **argv)
+{
+  return 0;
+}

Tests/Qt4And5Automoc/main_qt4.cpp

@@ -0,0 +1,4 @@
+
+#include "main.cpp"
+
+#include "main_qt4.moc"

Tests/Qt4And5Automoc/main_qt5.cpp

@@ -0,0 +1,4 @@
+
+#include "main.cpp"
+
+#include "main_qt5.moc"