我是按照网上有个教程按着他的步骤来
移植的，原网址在这里
https://www.maxlicheng.com/embedded/523.html在
make install的时候出现了
问题：
qpaintervideosurface.cpp: In function ‘void makeCurrent(QGLContext*)’:
qpaintervideosurface.cpp:67:12: error: invalid use of incomplete type ‘class QGLContext’
context->makeCurrent();//
^~
In file included from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/qwidget.h:1:0,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/../../src/widgets/widgets/qabstractbutton.h:46,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/qabstractbutton.h:1,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/QtWidgets:6,
from ../../include/QtMultimediaWidgets/QtMultimediaWidgetsDepends:6:
/home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/../../src/widgets/kernel/qwidget.h:703:18: note: forward declaration of ‘class QGLContext’
friend class QGLContext;
^~~~~~~~~~
qpaintervideosurface.cpp:69:26: error: invalid use of incomplete type ‘class QGLContext’
auto handle = context->contextHandle();//
^~
In file included from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/qwidget.h:1:0,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/../../src/widgets/widgets/qabstractbutton.h:46,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/qabstractbutton.h:1,
from /home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/QtWidgets:6,
from ../../include/QtMultimediaWidgets/QtMultimediaWidgetsDepends:6:
/home/snac/qt-everywhere-src-5.12.4/qtbase/include/QtWidgets/../../src/widgets/kernel/qwidget.h:703:18: note: forward declaration of ‘class QGLContext’
friend class QGLContext;
^~~~~~~~~~
qpaintervideosurface.cpp:70:35: error: incomplete type ‘QOpenGLContext’ used in nested name specifier
if (handle && QOpenGLContext::currentContext() != handle)
^~~~~~~~~~~~~~
qpaintervideosurface.cpp: At global scope:
qpaintervideosurface.cpp:65:13: warning: ‘void makeCurrent(QGLContext*)’ defined but
not used [-Wunused-function]
static void makeCurrent(QGLContext *context)
^~~~~~~~~~~
Makefile:4906: recipe for target '.obj/qpaintervideosurface.o' failed
make[3]: *** [.obj/qpaintervideosurface.o] Error 1
make[3]: Leaving directory '/home/snac/qt-everywhere-src-5.12.4/qtmultimedia/src/multimediawidgets'
Makefile:85: recipe for target 'sub-multimediawidgets-install_subtargets' failed
make[2]: *** [sub-multimediawidgets-install_subtargets] Error 2
make[2]: Leaving directory '/home/snac/qt-everywhere-src-5.12.4/qtmultimedia/src'
Makefile:60: recipe for target 'sub-src-install_subtargets' failed
make[1]: *** [sub-src-install_subtargets] Error 2
make[1]: Leaving directory '/home/snac/qt-everywhere-src-5.12.4/qtmultimedia'
Makefile:589: recipe for target 'module-qtmultimedia-install_subtargets' failed
make: *** [module-qtmultimedia-install_subtargets] Error 2
请问各位大佬这是什么问题，
