Reduce Qt footprint even more

cmake/ACGQt.cmake

@@ -12,11 +12,6 @@ endmacro()
 
 macro (acg_qt5)
 
-   if(POLICY CMP0020)
-     # Automatically link Qt executables to qtmain target on Windows
-     cmake_policy(SET CMP0020 NEW)
-   endif(POLICY CMP0020)
-
   #try to find qt5 automatically
   #for custom installation of qt5, dont use any of these variables
   set (QT5_INSTALL_PATH "" CACHE PATH "Path to Qt5 directory which contains lib and include folder")
@@ -50,13 +45,12 @@ macro (acg_qt5)
     find_package (Qt5Widgets QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})
     find_package (Qt5Gui QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})
     find_package (Qt5OpenGL QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})
-    find_package (Qt5Network QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})
 
     if (NOT WIN32 AND NOT APPLE)
        find_package (Qt5X11Extras QUIET PATHS ${QT_DEFAULT_PATH} ${QT5_FINDER_FLAGS})
     endif ()
 
-    if (Qt5Core_FOUND AND Qt5Widgets_FOUND AND Qt5Gui_FOUND AND Qt5OpenGL_FOUND AND Qt5Network_FOUND )
+    if (Qt5Core_FOUND AND Qt5Widgets_FOUND AND Qt5Gui_FOUND AND Qt5OpenGL_FOUND )
           set (QT5_FOUND TRUE)
     endif()
 
@@ -90,17 +84,6 @@ macro (acg_qt5)
     
     set (CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
   
-    include_directories(${Qt5Core_INCLUDE_DIRS})
-    include_directories(${Qt5Widgets_INCLUDE_DIRS})
-    include_directories(${Qt5Gui_INCLUDE_DIRS})
-    include_directories(${Qt5OpenGL_INCLUDE_DIRS})
-    include_directories(${Qt5Network_INCLUDE_DIRS})
-    add_definitions(${Qt5Core_DEFINITIONS})
-    add_definitions(${Qt5Widgets_DEFINITIONS})
-    add_definitions(${Qt5Gui_DEFINITIONS})
-    add_definitions(${Qt5OpenGL_DEFINITIONS})
-    add_definitions(${Qt5Network_DEFINITIONS})
-    
     if (Qt5X11Extras_FOUND)
             include_directories(${Qt5X11Extras_INCLUDE_DIRS})
             add_definitions(${Qt5X11Extras_DEFINITIONS})
@@ -110,19 +93,6 @@ macro (acg_qt5)
       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
     endif()
 
-    set (QT_LIBRARIES ${Qt5Core_LIBRARIES} ${Qt5Widgets_LIBRARIES}
-      ${Qt5Gui_LIBRARIES} ${Qt5OpenGL_LIBRARIES} ${Qt5Network_LIBRARIES} )
-      
-    if (Qt5X11Extras_FOUND)
-            list (APPEND QT_LIBRARIES ${Qt5X11Extras_LIBRARIES})
-        endif ()
-     
-    if (MSVC)
-      set (QT_LIBRARIES ${QT_LIBRARIES} ${Qt5Core_QTMAIN_LIBRARIES})
-      endif()
-
-	  #add_definitions(-DQT_NO_OPENGL)
-
     #adding QT_NO_DEBUG to all release modes. 
     #  Note: for multi generators like msvc you cannot set this definition depending of
     #  the current build type, because it may change in the future inside the ide and not via cmake

src/OpenMesh/Apps/Decimating/DecimaterGui/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories (
   ../../../..
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${GLUT_INCLUDE_DIR}
-  ${QT_INCLUDE_DIR}
 )
 
 # source code directories
@@ -28,8 +27,6 @@ acg_drop_templates (sources)
 
 if (WIN32)
   acg_add_executable (DecimaterGui WIN32 ${sources} ${headers})
-  # link to qtmain library to get WinMain function for a non terminal app
-  target_link_libraries (DecimaterGui ${QT_QTMAIN_LIBRARY})
 else ()
   acg_add_executable (DecimaterGui ${sources} ${headers} ) 
 endif ()
@@ -37,7 +34,7 @@ endif ()
 target_link_libraries (DecimaterGui
   OpenMeshCore
   OpenMeshTools
-  ${QT_LIBRARIES}
+  Qt5::OpenGL
   ${OPENGL_LIBRARIES}
   ${GLUT_LIBRARIES}
 )

src/OpenMesh/Apps/ProgViewer/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories (
   ../../..
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${GLUT_INCLUDE_DIR}
-  ${QT_INCLUDE_DIR}
 )
 
 
@@ -23,8 +22,6 @@ acg_drop_templates (sources)
 
 if (WIN32)
   acg_add_executable( ProgViewer WIN32 ${sources} ${headers})
-  # link to qtmain library to get WinMain function for a non terminal app
-  target_link_libraries( ProgViewer ${QT_QTMAIN_LIBRARY})
 else ()
   acg_add_executable( ProgViewer ${sources} ${headers})
 endif ()
@@ -32,7 +29,7 @@ endif ()
 target_link_libraries ( ProgViewer
   OpenMeshCore
   OpenMeshTools
-  ${QT_LIBRARIES}
+  Qt5::OpenGL
   ${OPENGL_LIBRARIES}
   ${GLUT_LIBRARIES}
 )

src/OpenMesh/Apps/QtViewer/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories (
   ../../..
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${GLUT_INCLUDE_DIR}
-  ${QT_INCLUDE_DIR}
 )
 
 # source code directories
@@ -21,8 +20,6 @@ acg_drop_templates (sources)
 
 if (WIN32)
   acg_add_executable (QtViewer WIN32 ${sources} ${headers})
-  # link to qtmain library to get WinMain function for a non terminal app
-  target_link_libraries (QtViewer ${QT_QTMAIN_LIBRARY})
 else ()
   acg_add_executable (QtViewer ${sources} ${headers})
 endif ()
@@ -30,7 +27,7 @@ endif ()
 target_link_libraries (QtViewer
   OpenMeshCore
   OpenMeshTools
-  ${QT_LIBRARIES}
+  Qt5::OpenGL
   ${OPENGL_LIBRARIES}
   ${GLUT_LIBRARIES}
 )

src/OpenMesh/Apps/Subdivider/SubdividerGui/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories (
   ../../../..
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${GLUT_INCLUDE_DIR}
-  ${QT_INCLUDE_DIR}
 )
 
 # source code directories
@@ -28,8 +27,6 @@ acg_drop_templates (sources)
 
 if (WIN32)
   acg_add_executable (SubdividerGui WIN32 ${sources} ${headers})
-  # link to qtmain library to get WinMain function for a non terminal app
-  target_link_libraries (SubdividerGui ${QT_QTMAIN_LIBRARY})
 else ()
   acg_add_executable (SubdividerGui ${sources} ${headers})
 endif ()
@@ -37,7 +34,7 @@ endif ()
 target_link_libraries (SubdividerGui
   OpenMeshCore
   OpenMeshTools
-  ${QT_LIBRARIES}
+  Qt5::OpenGL
   ${OPENGL_LIBRARIES}
   ${GLUT_LIBRARIES}
 )

src/OpenMesh/Apps/VDProgMesh/Synthesizer/CMakeLists.txt

@@ -4,7 +4,6 @@ include_directories (
   ../../../..
   ${CMAKE_CURRENT_SOURCE_DIR}
   ${GLUT_INCLUDE_DIR}
-  ${QT_INCLUDE_DIR}
 )
 
 # collect all header and source files
@@ -22,8 +21,6 @@ acg_drop_templates (sources)
 
 if (WIN32)
   acg_add_executable (Synthesizer WIN32 ${sources} ${headers})
-  # link to qtmain library to get WinMain function for a non terminal app
-  target_link_libraries (Synthesizer ${QT_QTMAIN_LIBRARY})
 else ()
   acg_add_executable (Synthesizer ${sources} ${headers})
 endif ()
@@ -31,7 +28,7 @@ endif ()
 target_link_libraries (Synthesizer
   OpenMeshCore
   OpenMeshTools
-  ${QT_LIBRARIES}
+  Qt5::OpenGL
   ${OPENGL_LIBRARIES}
   ${GLUT_LIBRARIES}
 )