], [AC_MSG_NOTICE([Cannot find QPA])])
if test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_GLX" = "x1" || test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EGL" = "x1"; then
PKG_CHECK_MODULES(QT_X11, Qt5X11Extras, [
], [AC_MSG_NOTICE([Cannot find QPA])])
if test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_GLX" = "x1" || test "x$GST_GL_HAVE_WINDOW_X11" = "x1" -a "x$GST_GL_HAVE_PLATFORM_EGL" = "x1"; then
PKG_CHECK_MODULES(QT_X11, Qt5X11Extras, [