Drop support for Qt 5

This is a soft removal from the build system. Qt 5 has reached its end-
of-support. It is not a thorough removal so for a little while longer a
distro could easily patch it back in.

Author: ddennedy

CMakeLists.txt

@@ -18,7 +18,6 @@ option(MOD_AVFORMAT "Enable avformat module" ON)
 option(MOD_DECKLINK "Enable DeckLink module" ON)
 option(MOD_FREI0R "Enable Frei0r module" ON)
 option(MOD_GDK "Enable GDK module" ON)
-option(MOD_GLAXNIMATE "Enable Glaxnimate module (Qt5)" OFF)
 option(MOD_GLAXNIMATE_QT6 "Enable Glaxnimate module (Qt6)" OFF)
 option(MOD_JACKRACK "Enable JACK Rack module" ON)
 option(USE_LV2 "Enable LV2 features" ON)
@@ -31,7 +30,6 @@ option(MOD_OPENCV "Enable OpenCV module" OFF)
 option(MOD_MOVIT "Enable OpenGL module" ON)
 option(MOD_PLUS "Enable Plus module" ON)
 option(MOD_PLUSGPL "Enable PlusGPL module (GPL)" ON)
-option(MOD_QT "Enable Qt5 module (GPL)" OFF)
 option(MOD_QT6 "Enable Qt6 module (GPL)" ON)
 option(MOD_RESAMPLE "Enable Resample module (GPL)" ON)
 option(MOD_RTAUDIO "Enable RtAudio module" ON)
@@ -175,7 +173,6 @@ endif()
 if(NOT GPL)
   set(MOD_NORMALIZE OFF)
   set(MOD_PLUSGPL OFF)
-  set(MOD_QT OFF)
   set(MOD_QT6 OFF)
   set(MOD_RESAMPLE OFF)
   set(MOD_RUBBERBAND OFF)
@@ -202,11 +199,11 @@ endif()
 
 find_package(SDL2)
 
-if(MOD_QT OR MOD_QT6 OR MOD_PLUS)
+if(MOD_QT6 OR MOD_PLUS)
   find_package(FFTW3)
 endif()
 
-if(MOD_QT OR MOD_QT6 OR MOD_GDK)
+if(MOD_QT6 OR MOD_GDK)
   pkg_check_modules(libexif IMPORTED_TARGET libexif)
 endif()
 
@@ -331,16 +328,6 @@ if(BUILD_TESTING)
   enable_testing()
 endif()
 
-if(MOD_QT)
-  find_package(Qt5 REQUIRED COMPONENTS Core Xml Gui Svg Widgets)
-  list(APPEND MLT_SUPPORTED_COMPONENTS qt)
-endif()
-
-if(MOD_GLAXNIMATE)
-  find_package(Qt5 REQUIRED COMPONENTS Core Gui Network Widgets Xml)
-  list(APPEND MLT_SUPPORTED_COMPONENTS glaxnimate)
-endif()
-
 if(MOD_RESAMPLE)
   pkg_check_modules(samplerate REQUIRED IMPORTED_TARGET samplerate)
   list(APPEND MLT_SUPPORTED_COMPONENTS resample)
@@ -558,7 +545,6 @@ add_feature_info("Module: avformat" MOD_AVFORMAT "")
 add_feature_info("Module: DeckLink" MOD_DECKLINK "")
 add_feature_info("Module: Frei0r" MOD_FREI0R "")
 add_feature_info("Module: GDK" MOD_GDK "")
-add_feature_info("Module: Glaxnimate (Qt5)" MOD_GLAXNIMATE "")
 add_feature_info("Module: Glaxnimate (Qt6)" MOD_GLAXNIMATE_QT6 "")
 add_feature_info("Module: JACKRack" MOD_JACKRACK "")
 add_feature_info("Module: Kdenlive" MOD_KDENLIVE "")
@@ -569,7 +555,6 @@ add_feature_info("Module: OpenCV" MOD_OPENCV "")
 add_feature_info("Module: Movit" MOD_MOVIT "")
 add_feature_info("Module: Plus" MOD_PLUS "")
 add_feature_info("Module: PlusGPL" MOD_PLUSGPL "")
-add_feature_info("Module: Qt (Qt5)" MOD_QT "")
 add_feature_info("Module: Qt6" MOD_QT6 "")
 add_feature_info("Module: Resample" MOD_RESAMPLE "")
 add_feature_info("Module: RtAudio" MOD_RTAUDIO "")

src/modules/CMakeLists.txt

@@ -16,7 +16,7 @@ if(MOD_GDK)
   add_subdirectory(gdk)
 endif()
 
-if(MOD_GLAXNIMATE OR MOD_GLAXNIMATE_QT6)
+if(MOD_GLAXNIMATE_QT6)
   add_subdirectory(glaxnimate)
 endif()
 
@@ -56,7 +56,7 @@ if(MOD_PLUSGPL)
   add_subdirectory(plusgpl)
 endif()
 
-if(MOD_QT OR MOD_QT6)
+if(MOD_QT6)
   add_subdirectory(qt)
 endif()
 

src/modules/glaxnimate/CMakeLists.txt

@@ -213,10 +213,6 @@ function(mlt_add_glaxnimate_module ARG_TARGET)
     )
 endfunction()
 
-if(MOD_GLAXNIMATE)
-    mlt_add_glaxnimate_module(mltglaxnimate QT_VERSION 5 DATADIR glaxnimate)
-endif()
-
 if(MOD_GLAXNIMATE_QT6)
     mlt_add_glaxnimate_module(mltglaxnimate-qt6 QT_VERSION 6 DATADIR glaxnimate-qt6)
 endif()

src/modules/qt/CMakeLists.txt

@@ -125,10 +125,6 @@ function(mlt_add_qt_module ARG_TARGET)
     )
 endfunction()
 
-if (MOD_QT)
-    mlt_add_qt_module(mltqt QT_VERSION 5 DATADIR qt)
-endif()
-
 if (MOD_QT6)
     mlt_add_qt_module(mltqt6 QT_VERSION 6 DATADIR qt6)
 endif()