virtualbox-ose exit code error

[philo_neo71]

Hi,
After to install FrreBSD 11 AMD64 and gnome3, i want to install virtualbox-ose but the compilation crash with this error < error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1
>

This is my output

ns -Wall -W -Wdate-time -pthread -fPIC -DQT_ACCESSIBILITY -DQT_USE_QSTRINGBUILDER -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_QMLDEVTOOLS_LIB -DQT_CORE_LIB -I. -I../../include -I../../include/QtQmlDevTools -I../../include/QtQmlDevTools/5.7.1 -I../../include/QtQmlDevTools/5.7.1/QtQmlDevTools -I/usr/local/include/qt5/QtCore/5.7.1 -I/usr/local/include/qt5/QtCore/5.7.1/QtCore -I/usr/local/include/qt5 -I/usr/local/include/qt5/QtCore -I.moc -I/usr/local/include -I/usr/local/lib/qt5/mkspecs/freebsd-clang -o .obj/main.o main.cpp
c++ -Wl,--as-needed -fstack-protector -Wl,--gc-sections -pthread -Wl,-rpath,/usr/local/lib/qt5 -o ../../bin/qmlmin .obj/main.o -L/usr/ports/x11-toolkits/qt5-quick/work/qtdeclarative-opensource-src-5.7.1/lib -L/usr/local/lib -lQt5QmlDevTools -L/usr/local/lib/qt5 -lQt5Core
/usr/local/lib/qt5/libQt5Core.so.dynamic+0x27a98): multiple definition of `__bss_start@Qt_5'
/usr/local/lib/qt5/libQt5Core.so.dynamic+0x27a98): first defined here
/usr/local/lib/qt5/libQt5Core.so.dynamic+0x27a98): multiple definition of `_edata@Qt_5'
/usr/local/lib/qt5/libQt5Core.so.dynamic+0x27a98): first defined here
/usr/local/lib/qt5/libQt5Core.so.dynamic+0x2b2a0): multiple definition of `_end@Qt_5'
c++: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
make[11]: stopped in /usr/ports/x11-toolkits/qt5-quick/work/qtdeclarative-opensource-src-5.7.1/tools/qmlmin
*** Error code 1

Stop.
make[10]: stopped in /usr/ports/x11-toolkits/qt5-quick/work/qtdeclarative-opensource-src-5.7.1/tools
*** Error code 1

Stop.
make[9]: stopped in /usr/ports/x11-toolkits/qt5-quick/work/qtdeclarative-opensource-src-5.7.1
*** Error code 1

Stop.
make[8]: stopped in /usr/ports/x11-toolkits/qt5-quick
*** Error code 1

Stop.
make[7]: stopped in /usr/ports/x11-toolkits/qt5-quick
*** Error code 1

Stop.
make[6]: stopped in /usr/ports/devel/qt5-designer
*** Error code 1

Stop.
make[5]: stopped in /usr/ports/devel/qt5-designer
*** Error code 1

Stop.
make[4]: stopped in /usr/ports/devel/qt5-linguist
*** Error code 1

Stop.
make[3]: stopped in /usr/ports/devel/qt5-linguist
*** Error code 1

Stop.
make[2]: stopped in /usr/ports/emulators/virtualbox-ose
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/emulators/virtualbox-ose
*** Error code 1

Stop.
make: stopped in /usr/ports/emulators/virtualbox-ose
root@dct-invasion:/usr/ports/emulators/virtualbox-ose # cd /usr/local/lib/qt5/mkspecs/

someone can help me to getarrond this issue

Regards
philippe