# --- GTK --- ocv_clear_vars(HAVE_GTK HAVE_GTK2 HAVE_GTK3 HAVE_GTHREAD HAVE_GTKGLEXT) if(WITH_GTK) if(NOT WITH_GTK_2_X) ocv_check_modules(GTK3 gtk+-3.0) if(HAVE_GTK3) ocv_add_external_target(gtk3 "${GTK3_INCLUDE_DIRS}" "${GTK3_LIBRARIES}" "HAVE_GTK3;HAVE_GTK") set(HAVE_GTK TRUE) endif() endif() if((PROJECT_NAME STREQUAL "OpenCV" AND HIGHGUI_ENABLE_PLUGINS) OR NOT HAVE_GTK3) ocv_check_modules(GTK2 gtk+-2.0) if(HAVE_GTK2) set(MIN_VER_GTK "2.18.0") if(GTK2_VERSION VERSION_LESS MIN_VER_GTK) message(FATAL_ERROR "GTK support requires a minimum version of ${MIN_VER_GTK} (${GTK2_VERSION} found)") else() ocv_add_external_target(gtk2 "${GTK2_INCLUDE_DIRS}" "${GTK2_LIBRARIES}" "HAVE_GTK2;HAVE_GTK") set(HAVE_GTK TRUE) endif() endif() endif() ocv_check_modules(GTHREAD gthread-2.0>=2.32) if(HAVE_GTK AND NOT HAVE_GTHREAD) message(FATAL_ERROR "gthread not found. This library is required when building with GTK support") else() ocv_add_external_target(gthread "${GTHREAD_INCLUDE_DIRS}" "${GTHREAD_LIBRARIES}" "HAVE_GTHREAD") endif() if((WITH_OPENGL OR HAVE_OPENGL) AND (HAVE_GTK2 OR HAVE_GTK3)) if(HAVE_GTK2) ocv_check_modules(GTKGLEXT gtkglext-1.0) if(HAVE_GTKGLEXT) # HACK for https://github.com/opencv/opencv/issues/20850 # pkg-config reports some include directories that do not exist. Just filter them out. set(GTKGLEXT_INCLUDE_DIRS_EXISTS "") foreach(p ${GTKGLEXT_INCLUDE_DIRS}) if (EXISTS "${p}") list(APPEND GTKGLEXT_INCLUDE_DIRS_EXISTS "${p}") endif() endforeach() ocv_add_external_target(gtkglext "${GTKGLEXT_INCLUDE_DIRS}" "${GTKGLEXT_LIBRARIES}" "HAVE_GTKGLEXT") endif() endif() endif() elseif(HAVE_GTK) ocv_add_external_target(gtk "${GTK_INCLUDE_DIRS}" "${GTK_LIBRARIES}" "${GTK_DEFINES};HAVE_GTK") endif() if(WITH_OPENGL) find_package(OpenGL QUIET) if(OPENGL_FOUND) set(HAVE_OPENGL TRUE) ocv_add_external_target(gtk_opengl "${OPENGL_INCLUDE_DIRS}" "${OPENGL_LIBRARIES}" "HAVE_OPENGL") endif() endif()