First commit

cmake/AddQt.cmake

@@ -0,0 +1,55 @@
+if(NOT QT_FOUND)
+# --- QT5 ---
+  find_package(Qt5Core QUIET)
+  if(Qt5Core_FOUND)
+    find_package(Qt5Gui QUIET)
+    find_package(Qt5Widgets QUIET)
+    if(Qt5Gui_FOUND AND Qt5Widgets_FOUND)
+      set(QT5_FOUND ON)
+      set(QT_FOUND  ON)    
+    endif()
+  endif()
+endif()
+
+if(NOT QT_FOUND)
+# --- QT4 ---
+  find_package(Qt4 QUIET)
+  if(QT4_FOUND)
+    set(QT_FOUND TRUE)
+  endif()
+endif()
+
+
+
+if(QT_FOUND)
+  if(NOT QT5_FOUND)
+    message ( STATUS "Using Qt4")    
+    set( QT_VERSION_STRING "${QT_VERSION_MAJOR}.${QT_VERSION_MINOR}.${QT_VERSION_PATCH}")
+    set( QT_TARGETS "Qt4::QtGui")
+  else()
+    message ( STATUS "Using Qt5")
+    set( QT_VERSION_STRING ${Qt5Core_VERSION_STRING})
+    set( QT_TARGETS "Qt5::Gui;Qt5::Widgets")
+  endif()
+
+else()  
+  message ( STATUS "Qt Not Found")
+endif()
+
+
+#include some custom CMake util functions
+INCLUDE(CommonCMakeUtils)
+
+extract_target_properties(QT_TARGETS_DEPENDENCIES QT_TARGETS INTERFACE_LINK_LIBRARIES)
+set (QT_ALL_TARGETS ${QT_TARGETS} ${QT_TARGETS_DEPENDENCIES})
+list(REMOVE_DUPLICATES QT_ALL_TARGETS)
+extract_target_properties(QT_INCLUDE_DIRS QT_ALL_TARGETS INTERFACE_INCLUDE_DIRECTORIES)
+extract_target_properties(QT_COMPILE_DEFS QT_ALL_TARGETS INTERFACE_COMPILE_DEFINITIONS)
+
+IF(QT_FOUND )
+  MESSAGE(STATUS "QT Version:         ${QT_VERSION_STRING}")
+  MESSAGE(STATUS "QT_TARGETS:         ${QT_TARGETS}")
+  MESSAGE(STATUS "QT_ALL_TARGETS:     ${QT_ALL_TARGETS}")
+  MESSAGE(STATUS "QT_INCLUDE_DIRS:    ${QT_INCLUDE_DIRS}")
+  MESSAGE(STATUS "QT_COMPILE_DEFS:    ${QT_COMPILE_DEFS}")  
+ENDIF()