Use wxStandardPaths to find out the path to binaries in linux.

/* Linux and Unix */

/* Linux and Unix */

#elif defined(__UNIX__)

#elif defined(__UNIX__)

    m_BinDir = wxStandardPaths().GetExecutablePath();

    // Under Linux, if argv[0] doesn't the complete path to the executable,

    // it's necessary to obtain it using "which <filename>".

    FILE*    ftmp;

    char     Line[1024];

    char     FileName[1024];

    wxString str_arg0;

    FileName[0] = 0;

    str_arg0    = argv[0];

    if( strchr( (const char*) argv[0], '/' ) == NULL ) // no path

    {

        sprintf( FileName, "which %s > %s", TO_UTF8( str_arg0 ), TMP_FILE );

        int ret = system( FileName );

        (void) ret;

        if( ( ftmp = fopen( TMP_FILE, "rt" ) ) != NULL )

        {

            const char* line = fgets( Line, 1000, ftmp );

            (void) line;

            fclose( ftmp );

            remove( TMP_FILE );

        }

        m_BinDir = FROM_UTF8( Line );

    }

    else

    {

        m_BinDir = argv[0];

    }

#else

#else

    m_BinDir = argv[0];

    m_BinDir = argv[0];

#endif /* __UNIX__ */

#endif /* __UNIX__ */