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()

cmake/CommonCMakeUtils.cmake

@@ -0,0 +1,27 @@
+# extract filename components of all items in src_list in dst_list
+# example usage: extract_filename_components(ALL_LIBS_BASENAME ALL_LIBS NAME_WE)
+macro(extract_filename_components dst_list src_list component)  
+  set(list_var "${${src_list}}")
+  #message(STATUS "list_var:     ${list_var}")
+  #message(STATUS "component:    ${component}")
+  foreach(item ${list_var})
+    get_filename_component(BASENAME ${item} ${component})
+  list( APPEND ${dst_list} ${BASENAME})
+  endforeach()
+  #message(STATUS "dst_list:     ${${dst_list}}")
+endmacro()
+
+
+# extract target properties of all items in src_list in dst_list
+# example usage: extract_target_properties(QT_INCLUDES Qt5::Core INTERFACE_INCLUDE_DIR)
+macro(extract_target_properties target_props target_list property)  
+  set(list_var "${${target_list}}")
+  # message(STATUS "list_var:     ${list_var}")
+  #message(STATUS "property:    ${property}")
+  foreach(item ${list_var})
+    get_target_property(value ${item} ${property})
+  list( APPEND ${target_props} ${value})
+  endforeach()
+  #message(STATUS "target_props:     ${${target_props}}")
+  list(REMOVE_DUPLICATES ${target_props})
+endmacro()