[MACTCL] X11 version

[nico <sl1...@gm...>]

hi all,
i'm working on osx
is it possible to make a framework with Tk linked against X11
my configure command is
./configure --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib 
--enable-threads --enable-framework 
--with-tcl=/Library/Frameworks/Tcl.framework/

everything seems to work fine during compilation( wish in Tk/unix/ 
works), but when i call
if (Tk_Init(interp) == TCL_ERROR) {
    printf("Tk_Init failed: %s\n", Tcl_GetStringResult (interp));
    return TCL_ERROR;
    }

i get:
Tk_Init failed: no display name and no $DISPLAY environment variable

as i use tk framework inside my app bundle, i use
install_name_tool -id 
@executable_path/../Frameworks/Tk.framework/Versions/8.4/Tk Tk

to tell the executable wich framework i want to use.
maybe that create a mess...

any idea?
best regards,

nicolas