opencv/modules/highgui/cmake/detect_gtk.cmake
Corentin Noël da078c4b75 highgui: Make GThread mandatory with GTK
The GThread API is available since more than 11 years with GLib, it is now safe
to assume that it is always available.
2024-07-15 16:30:39 +02:00

50 lines
1.8 KiB
CMake

# --- GTK ---
ocv_clear_vars(HAVE_GTK HAVE_GTK2 HAVE_GTK3 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()
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()