Thread: [Zhcon-devel] About failure of zhcon under X-window, with GGI support

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With "Zhang Le"'s guidance, I tried to run zhcon under X-window.  At
first, it print the following message:
--------------------------------------------------------------------------------------------------
root@ubuntu:~/zhcon/src# ./zhcon --drv=ggi
warning!!!
/dev/pts/0 is not real tty or vc, are your running under X-Window?
libggi support not complied in, can not run under X-Window, now quit
--------------------------------------------------------------------------------------------------

Then I installed all libggi related packages, and do
"configure/make/make install" a second time, the following is the
configure result:
--------------------------------------------------------------------------------------------------
Configuration:
    Target system:             i686-pc-linux-gnu
    Source code location:      .
    C++ Compiler:              g++
    C++ Compiler flags:         -funsigned-char -O2 -march=i686 -DNDEBUG -Wall
    C   Compiler:              gcc
    C   Compiler flags:         -funsigned-char -O2 -march=i686 -DNDEBUG -Wall
    VGA support:               yes
    gpm moues support:         yes
    libggi support:            yes
    unicon support:            no
    zhcon binary dir:          /usr/local/bin
    zhcon files dir:           /usr/local/lib/zhcon

Config complete, now type make to build zhcon.
--------------------------------------------------------------------------------------------------

 However, it failed again under X-window, with the same error message.
Then I checked the code, and found the following code in void Zhcon::InitTty():
--------------------------------------------------------------------------------------------------
    if (!(strncmp("/dev/tty", TtyName, 8) == 0 ||
        strncmp("/dev/vc/", TtyName, 8) == 0)) {
        fprintf(stderr, "warning!!!\n");
        fprintf(stderr, "%s is not real tty or vc, are your running
under X-Window?\n", TtyName);
#ifndef HAVE_GGI_LIB
        fprintf(stderr, "libggi support not complied in, can not run
under X-Window, now quit\n");
        exit(1);
#endif
    }
--------------------------------------------------------------------------------------------------

Here I have a question:

Is tty/vc both concepts of  tty-environment (command), and only pty is
related with X-window?

If yes, then for these code, how we can use GGI to support X-window?
If no, then what can be the reason that I can not run zhcon
successfully under X-window?

Sorry, I'm still not very clear with these concepts.

Thread: [Zhcon-devel] About failure of zhcon under X-window, with GGI support

zhcon-devel