# QGC compiling errors with QT on OSX **URL:** \ **Category:** QGroundControl\ **Created:** [September 15, 2024, 2:21am UTC](https://discuss.px4.io/t/qgc-compiling-errors-with-qt-on-osx/40728 "2024-09-15T02:21:09Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![kevindsp](https://discuss.px4.io/user_avatar/discuss.px4.io/kevindsp/32/5192_2.png) [@kevindsp](https://discuss.px4.io/u/kevindsp)\ **Post date:** [September 15, 2024, 2:21am UTC](https://discuss.px4.io/t/qgc-compiling-errors-with-qt-on-osx/40728/1 "2024-09-15T02:21:09Z")
I am trying compiling the latest qgroundcontrol with the new installed QT creator on my OSX. But it fails as below. How can I fix it? Thank you. … [49/683 8.2/sec] Linking CXX static library \_deps/libevents-build/parse/liblibevents\_health\_and\_arming\_checks.a /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: \_deps/libevents-build/parse/liblibevents\_health\_and\_arming\_checks.a(mocs\_compilation.cpp.o) has no symbols /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: \_deps/libevents-build/parse/liblibevents\_health\_and\_arming\_checks.a(mocs\_compilation.cpp.o) has no symbols [50/683 8.1/sec] Building C object \_deps/shapelib-build/CMakeFiles/shp.dir/shpopen.c.o [51/683 7.8/sec] Building CXX object src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc.o FAILED: src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc.o /usr/local/bin/ccache /usr/bin/clang++ -DDAILY\_BUILD -DHAVE\_QT\_MAC -DHAVE\_QT\_QPA\_HEADER -DNDEBUG -DQGC\_APP\_NAME="QGroundControl" -DQGC\_APP\_VERSION\_STR="v4.3.0-881-gaba29d63c" -DQGC\_ORG\_DOMAIN="org.qgroundcontrol" -DQGC\_ORG\_NAME="QGroundControl.org" -DQT\_CORE\_LIB -DQT\_DISABLE\_DEPRECATED\_UP\_TO=0x060600 -DQT\_GUI\_LIB -DQT\_NETWORK\_LIB -DQT\_NO\_DEBUG -DQT\_NO\_DEBUG\_OUTPUT -DQT\_OPENGL\_LIB -DQT\_QMLINTEGRATION\_LIB -DQT\_QMLMODELS\_LIB -DQT\_QML\_LIB -DQT\_QPA\_HEADER=“\” -DQT\_QUICK\_LIB -I/Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/src/VideoManager/VideoReceiver/GStreamer/qmlglsink/qmlglsink\_autogen/include -I/Library/Frameworks/GStreamer.framework/include/gstreamer-1.0 -I/Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Headers -iframework /Users/kevin/Qt/6.6.3/macos/lib -isystem /Users/kevin/Qt/6.6.3/macos/mkspecs/macx-clang -isystem /Users/kevin/Qt/6.6.3/macos/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3/QtGui -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3/QtCore -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtOpenGL.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQml.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/include/QtQmlIntegration -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtNetwork.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQuick.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQmlModels.framework/Headers -O3 -DNDEBUG -std=gnu++17 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk -mmacosx-version-min=12.6 -fcolor-diagnostics -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -Wno-unused-parameter -Wno-implicit-fallthrough -Wno-unused-private-field -MD -MT src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** / **/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc.o -MF src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/** / **/** / **/** /\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc.o.d -o src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc.o -c /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc In file included from /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstplugin.cc:25: /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqt6elements.h:29:1: error: unknown type name ‘GST\_ELEMENT\_REGISTER\_DECLARE’ GST\_ELEMENT\_REGISTER\_DECLARE (qml6glsink); ^ 1 error generated. [52/683 6.7/sec] Building CXX object \_deps/ulogparser-build/ulog\_cpp/CMakeFiles/ulog\_cpp.dir/data\_container.cpp.o [53/683 5.6/sec] Building CXX object src/VideoManager/VideoReceiver/CMakeFiles/VideoReceiver.dir/VideoReceiver\_autogen/mocs\_compilation.cpp.o [54/683 5.5/sec] Building CXX object \_deps/ulogparser-build/ulog\_cpp/CMakeFiles/ulog\_cpp.dir/messages.cpp.o [55/683 5.2/sec] Building CXX object \_deps/ulogparser-build/ulog\_cpp/CMakeFiles/ulog\_cpp.dir/simple\_writer.cpp.o [56/683 5.2/sec] Building CXX object src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc.o FAILED: src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc.o /usr/local/bin/ccache /usr/bin/clang++ -DDAILY\_BUILD -DHAVE\_QT\_MAC -DHAVE\_QT\_QPA\_HEADER -DNDEBUG -DQGC\_APP\_NAME="QGroundControl" -DQGC\_APP\_VERSION\_STR="v4.3.0-881-gaba29d63c" -DQGC\_ORG\_DOMAIN="org.qgroundcontrol" -DQGC\_ORG\_NAME="QGroundControl.org" -DQT\_CORE\_LIB -DQT\_DISABLE\_DEPRECATED\_UP\_TO=0x060600 -DQT\_GUI\_LIB -DQT\_NETWORK\_LIB -DQT\_NO\_DEBUG -DQT\_NO\_DEBUG\_OUTPUT -DQT\_OPENGL\_LIB -DQT\_QMLINTEGRATION\_LIB -DQT\_QMLMODELS\_LIB -DQT\_QML\_LIB -DQT\_QPA\_HEADER=“\” -DQT\_QUICK\_LIB -I/Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/src/VideoManager/VideoReceiver/GStreamer/qmlglsink/qmlglsink\_autogen/include -I/Library/Frameworks/GStreamer.framework/include/gstreamer-1.0 -I/Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Headers -iframework /Users/kevin/Qt/6.6.3/macos/lib -isystem /Users/kevin/Qt/6.6.3/macos/mkspecs/macx-clang -isystem /Users/kevin/Qt/6.6.3/macos/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3/QtGui -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3/QtCore -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtOpenGL.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQml.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/include/QtQmlIntegration -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtNetwork.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQuick.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQmlModels.framework/Headers -O3 -DNDEBUG -std=gnu++17 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk -mmacosx-version-min=12.6 -fcolor-diagnostics -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -Wno-unused-parameter -Wno-implicit-fallthrough -Wno-unused-private-field -MD -MT src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** / **/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc.o -MF src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/** / **/** / **/** /\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc.o.d -o src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ **/** / **/** /**/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc.o -c /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc In file included from /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc:75: /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqt6elements.h:29:1: error: unknown type name ‘GST\_ELEMENT\_REGISTER\_DECLARE’ GST\_ELEMENT\_REGISTER\_DECLARE (qml6glsink); ^ /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc:141:1: error: C++ requires a type specifier for all declarations GST\_ELEMENT\_REGISTER\_DEFINE\_WITH\_CODE (qml6glsink, “qml6glsink”, ^ /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc:142:61: error: use of undeclared identifier ‘plugin’ GST\_RANK\_NONE, GST\_TYPE\_QML6\_GL\_SINK, qt6\_element\_init (plugin)); ^ /Users/kevin/qgroundcontrol/build/Qt\_6\_6\_3\_for\_macOS-Release/\_deps/gstreamer\_good\_plugins-src/ext/qt6/gstqml6glsink.cc:581:10: error: no member named ‘send\_event\_simple’ in ‘\_GstNavigationInterface’ iface-\>send\_event\_simple = gst\_qml6\_gl\_sink\_navigation\_send\_event; ```auto 4 errors generated. [57/683 5.2/sec] Building CXX object src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ __/__ / __/__ /__/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc.o FAILED: src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ __/__ / __/__ /__/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc.o /usr/local/bin/ccache /usr/bin/clang++ -DDAILY_BUILD -DHAVE_QT_MAC -DHAVE_QT_QPA_HEADER -DNDEBUG -DQGC_APP_NAME=\"QGroundControl\" -DQGC_APP_VERSION_STR=\"v4.3.0-881-gaba29d63c\" -DQGC_ORG_DOMAIN=\"org.qgroundcontrol\" -DQGC_ORG_NAME=\"QGroundControl.org\" -DQT_CORE_LIB -DQT_DISABLE_DEPRECATED_UP_TO=0x060600 -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_DEBUG -DQT_NO_DEBUG_OUTPUT -DQT_OPENGL_LIB -DQT_QMLINTEGRATION_LIB -DQT_QMLMODELS_LIB -DQT_QML_LIB -DQT_QPA_HEADER="" -DQT_QUICK_LIB -I/Users/kevin/qgroundcontrol/build/Qt_6_6_3_for_macOS-Release/src/VideoManager/VideoReceiver/GStreamer/qmlglsink/qmlglsink_autogen/include -I/Library/Frameworks/GStreamer.framework/include/gstreamer-1.0 -I/Users/kevin/qgroundcontrol/build/Qt_6_6_3_for_macOS-Release/_deps/gstreamer_good_plugins-src/ext/qt6 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -isystem /Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Headers -iframework /Users/kevin/Qt/6.6.3/macos/lib -isystem /Users/kevin/Qt/6.6.3/macos/mkspecs/macx-clang -isystem /Users/kevin/Qt/6.6.3/macos/include -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtGui.framework/Versions/A/Headers/6.6.3/QtGui -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3 -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtCore.framework/Versions/A/Headers/6.6.3/QtCore -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtOpenGL.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQml.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/include/QtQmlIntegration -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtNetwork.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQuick.framework/Headers -isystem /Users/kevin/Qt/6.6.3/macos/lib/QtQmlModels.framework/Headers -O3 -DNDEBUG -std=gnu++17 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk -mmacosx-version-min=12.6 -fcolor-diagnostics -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/gstreamer-1.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/gstreamer-1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/orc-0.4 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include -I/Library/Frameworks/GStreamer.framework/Versions/1.0/include/glib-2.0 -I/Library/Frameworks/GStreamer.framework/Versions/1.0/lib/glib-2.0/include -Wno-unused-parameter -Wno-implicit-fallthrough -Wno-unused-private-field -MD -MT src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ __/__ / __/__ / __/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc.o -MF src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/__ / __/__ / __/__ /_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc.o.d -o src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ __/__ / __/__ /__/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc.o -c /Users/kevin/qgroundcontrol/build/Qt_6_6_3_for_macOS-Release/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc In file included from /Users/kevin/qgroundcontrol/build/Qt_6_6_3_for_macOS-Release/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6element.cc:25: /Users/kevin/qgroundcontrol/build/Qt_6_6_3_for_macOS-Release/_deps/gstreamer_good_plugins-src/ext/qt6/gstqt6elements.h:29:1: error: unknown type name 'GST_ELEMENT_REGISTER_DECLARE' GST_ELEMENT_REGISTER_DECLARE (qml6glsink); ^ 1 error generated. [58/683 5.2/sec] Building CXX object src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/ __/__ / __/__ /__/_deps/gstreamer_good_plugins-src/ext/qt6/gstqsg6glnode.cc.o [59/683 5.3/sec] Building CXX object src/VideoManager/VideoReceiver/GStreamer/qmlglsink/CMakeFiles/qmlglsink.dir/qmlglsink_autogen/mocs_compilation.cpp.o [60/683 4.4/sec] Building CXX object _deps/libevents-build/parse/CMakeFiles/libevents_parser.dir/parser.cpp.o ninja: build stopped: subcommand failed. 10:03:14: process"/Users/kevin/Qt/Tools/CMake/CMake.app/Contents/bin/cmake" 1 。 Error while building/deploying project QGroundControl (kit: Qt 6.6.3 for macOS) When executing step "build" ```