topic symbol lookup error: ./example: undefined symbol: _ZN7QWidget8x11EventEP7_XEvent in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/symbol-lookup-error-example-undefined-symbol/m-p/211027#M12694 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>When i tried to run my Qt application on imx53 board i get the following error</P><P>symbol lookup error: ./example: undefined symbol: _ZN7QWidget8x11EventEP7_XEvent</P><P></P><P>the execution command i am using is - "./application -qws "</P><P>I have installed libqt4-dev using synaptic package manager</P><P>any solution</P><P>Thanks</P><P>Hitesh</P></BODY></HTML> Tue, 14 Feb 2012 11:33:26 GMT Hitex 2012-02-14T11:33:26Z symbol lookup error: ./example: undefined symbol: _ZN7QWidget8x11EventEP7_XEvent https://community.nxp.com/t5/i-MX-Processors/symbol-lookup-error-example-undefined-symbol/m-p/211027#M12694 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>When i tried to run my Qt application on imx53 board i get the following error</P><P>symbol lookup error: ./example: undefined symbol: _ZN7QWidget8x11EventEP7_XEvent</P><P></P><P>the execution command i am using is - "./application -qws "</P><P>I have installed libqt4-dev using synaptic package manager</P><P>any solution</P><P>Thanks</P><P>Hitesh</P></BODY></HTML> Tue, 14 Feb 2012 11:33:26 GMT https://community.nxp.com/t5/i-MX-Processors/symbol-lookup-error-example-undefined-symbol/m-p/211027#M12694 Hitex 2012-02-14T11:33:26Z Re: symbol lookup error: ./example: undefined symbol: _ZN7QWidget8x11EventEP7_XEvent https://community.nxp.com/t5/i-MX-Processors/symbol-lookup-error-example-undefined-symbol/m-p/211028#M12695 <HTML><HEAD></HEAD><BODY><P>Are you mixing C and C++? If you are calling C functions, declare them as extern "C" in your C++ code. For example:</P><P>&nbsp;</P><P>extern "C" return_type XEvent(arguments);</P></BODY></HTML> Wed, 15 Feb 2012 16:54:07 GMT https://community.nxp.com/t5/i-MX-Processors/symbol-lookup-error-example-undefined-symbol/m-p/211028#M12695 KursadOney 2012-02-15T16:54:07Z