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torch / qtlua

Lua interface to QT library
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Update qtwidget.cpp #47

Closed OlivierMorere closed 6 years ago

OlivierMorere commented 6 years ago

Fix following building error. Tested on MacOS 10.13.5 with Clang 6.0.

[ 95%] Building CXX object packages/qtwidget/CMakeFiles/libqtwidget.dir/qtwidget.cpp.o /tmp/luarocks_qtlua-scm-1-8425/qtlua/packages/qtwidget/qtwidget.cpp:42:10: error: ordered comparison between pointer and zero ('const QMetaObject *' and 'int') if (mo >= 0) ~~ ^ ~ 1 error generated. make[2]: [packages/qtwidget/CMakeFiles/libqtwidget.dir/qtwidget.cpp.o] Error 1 make[1]: [packages/qtwidget/CMakeFiles/libqtwidget.dir/all] Error 2 make: *** [all] Error 2