Gary, > The compiler string: > > gcc -I/usr/X11R6/include -L/usr/X11R6/lib \ > -lXm -lXt -lX11 hello.c -o hello
The above is a classic C beginner's mistake: the libraries go to the *end* of the compile command, i.e., try gcc -I/usr/X11R6/include -L/usr/X11R6/lib hello.c -o hello -lXm -lXt -lX11 Hope this helps, Igor On Fri, 25 Jul 2003, Gary Nicholson wrote: > Brian, > > Thanks for taking time to reply to my email about > Compiling Lesstif on Cygwin. Thanks for referring me > to the cygwin-xfree mailing list. > > I've tried quite a few things since I posted the email > you answered. > > I reinstalled the lesstif version you recommended and > verified the compiler string you suggested is what I use. > > Having done those things, I get the following error: > > undefined reference to '_XtVaAppInitialize' > > Do you know what's happening? > > Gary > > Here is the program (the first motif program in the O'Reilly book): > > #include <Xm/Xm.h> > #include <Xm/PushB.h> > > main(argc, argv) > char *argv[]; > { > Widget toplevel, button; > XtAppContext app; > void i_was_pushed(); > XmString label; > > toplevel = XtVaAppInitialize(&app, "Hello", NULL, 0, > &argc, argv, NULL, NULL); > > label = XmStringCreateSimple("Push here to say hello"); > button = XtVaCreateManagedWidget("pushme", > xmPushButtonWidgetClass, toplevel, > XmNlabelString, label, > NULL); > XmStringFree(label); > XtAddCallback(button, XmNactivateCallback, i_was_pushed, NULL); > > XtRealizeWidget(toplevel); > XtAppMainLoop(app); > } > > void > i_was_pushed(w, client_data, cbs) > Widget w; > XtPointer client_data; > XmPushButtonCallbackStruct *cbs; > { > printf("Hello Yourself!\n"); > } > > The compiler string: > > gcc -I/usr/X11R6/include -L/usr/X11R6/lib \ > -lXm -lXt -lX11 hello.c -o hello > > -----Original Message----- > From: Brian Ford [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 24, 2003 5:33 PM > To: Gary Nicholson > Cc: [EMAIL PROTECTED] > Subject: Re: Compiling Lesstif on Cygwin > > On Sun, 20 Jul 2003, Gary Nicholson wrote: > > >I've installed Cygwin on Windows XP. The X Server starts and runs with > >no errors. > > > >I installed lesstif-cygwin-0.93.8. > > > lesstif-0.93.41-1 is the "supported" package available via the normal > Cygwin setup installer at www.cygwin.com. Please use it. > > On Mon, 21 Jul 2003, Gary Nicholson wrote: > > >I am going to move the header files back to their > >original location and keep exploring how to set the > >include path for g++. > > > > This is basic C compiler stuff. Add -I/usr/X11R6/include to the > compile line and -L/usr/X11R6/lib to the link line. > > These sort of questions are probably better suited for > [EMAIL PROTECTED] > > Cygwin's reluctant lesstif maintainer. -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_ [EMAIL PROTECTED] ZZZzz /,`.-'`' -. ;-;;,_ [EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! "I have since come to realize that being between your mentor and his route to the bathroom is a major career booster." -- Patrick Naughton