``` [486/747] Compiling C++ object ext/qt/libgstqmlgl.so.p/gstqtglutility.cc.o FAILED: ext/qt/libgstqmlgl.so.p/gstqtglutility.cc.o /usr/bin/clang++-14 -Iext/qt/libgstqmlgl.so.p -Iext/qt -I../../Source/gst-plugins-good-1.18.4.tar.gz/ext/qt -I. -I../../Source/gst-plugins-good-1.18.4.tar.gz -I../../Source/gst-plugins-good-1.18.4.tar.gz/gst-libs -I/home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/include/glib-2.0 -I/home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/lib/glib-2.0/include -I/home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/include/gstreamer-1.0 -I/home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/include/orc-0.4 -I/home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/lib/gstreamer-1.0/include -I/usr/include/x86_64-linux-gnu/qt5/QtCore -I/usr/include/x86_64-linux-gnu/qt5 -I/usr/include/x86_64-linux-gnu/qt5/QtGui -I/usr/include/x86_64-linux-gnu/qt5/QtQml -I/usr/include/x86_64-linux-gnu/qt5/QtNetwork -I/usr/include/x86_64-linux-gnu/qt5/QtQuick -fcolor-diagnostics -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -std=c++11 -O2 -g -Wmissing-declarations -Wredundant-decls -Wwrite-strings -Winit-self -Wmissing-include-dirs -Wno-multichar -Wvla -Wpointer-arith -fPIC -pthread -DQT_QUICK_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DHAVE_CONFIG_H -DHAVE_QT_QPA_HEADER '-DQT_QPA_HEADER=<5.12.8/QtGui/qpa/qplatformnativeinterface.h>' -DHAVE_QT_EGLFS -MD -MQ ext/qt/libgstqmlgl.so.p/gstqtglutility.cc.o -MF ext/qt/libgstqmlgl.so.p/gstqtglutility.cc.o.d -o ext/qt/libgstqmlgl.so.p/gstqtglutility.cc.o -c ../../Source/gst-plugins-good-1.18.4.tar.gz/ext/qt/gstqtglutility.cc In file included from ../../Source/gst-plugins-good-1.18.4.tar.gz/ext/qt/gstqtglutility.cc:25: ../../Source/gst-plugins-good-1.18.4.tar.gz/ext/qt/gstqtglutility.h:35:16: warning: 'qt_opengl_native_context_from_gst_gl_context' has C-linkage specified, but returns user-defined type 'QVariant' which is incompatible with C [-Wreturn-type-c-linkage] QVariant qt_opengl_native_context_from_gst_gl_context (GstGLContext * context); ^ ../../Source/gst-plugins-good-1.18.4.tar.gz/ext/qt/gstqtglutility.cc:73:7: error: cannot initialize a parameter of type 'unsigned long *' with an rvalue of type 'typename std::remove_reference<decltype(*(&_debug))>::type *' (aka 'volatile unsigned long *') if (g_once_init_enter (&_debug)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/include/glib-2.0/glib/gthread.h:260:7: note: expanded from macro 'g_once_init_enter' (!g_atomic_pointer_get (location) && \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/pwuser/webkit/WebKitBuild/DependenciesWPE/Root/include/glib-2.0/glib/gatomic.h:113:38: note: expanded from macro 'g_atomic_pointer_get' __atomic_load (gapg_temp_atomic, &gapg_temp_newval, __ATOMIC_SEQ_CST); \ ^~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. ```