Error linking against libXt

[Harold L Hunt II]

You should have a -L/usr/X11R6/lib before the X libs, this tells gcc to 
look in /usr/X11R6/lib.

I don't know enough about sam to tell you how to get that into the link 
line automatically, but you should be able to figure it out.

Harold

Lou Losee wrote:

> Hi,
> I am trying to compile and link the Rob Pike's 'sam' editor available
> from the bell labs site.  I am having problems when it comes to linking
> the executable.  The statement that is failing is:
> 
> gcc -o samterm main.o flayer.o icons.o io.o menu.o mesg.o rasp.o
> scroll.o unix.o ../../libframe.a -lm ../../libXg/.libs/libXg.a -lXt
> -lX11 -lm -lm ../../libplan9c/.libs/libplan9c.a -lm -lm -lXt -lX11
> 
> The error returned is:
> /usr/lib/gcc-lib/i686-pc-cygwin/3.3.1/../../../../i686-pc-cygwin/bin/ld: cannot find -lXt
> 
> Looking in /usr/X11R6/lib/ I find:
> libXt-6.dll.a
> libXt.dll.a -> libXt-6.dll.a
> 
> So I figured I needed a libXt.a and following the procedure in the
> 'Building and Using DLLs - Linking Against DLLs' section of Chapter 4 of
> the Users Guide, I issued the following commands to create a libXt.a
> 
> echo EXPORTS > libXt.def
> nm libXt.dll.a | grep ' T _' | sed 's/.* T _//' >> libXt.def
> dlltool --def libXt.def --dllname libXt.dll.a --output-lib libXt.a
> 
> This did not help at all!!  I still get the same error.
> 
> I assume I will run into the same error when ld gets to the -lX11 parm,
> since the same type of files exist for it in /usr/X11R6/lib/
> libX11-6.dll.a
> libX11.dll.a -> libX11-6.dll.a
> 
> One last thing, what are the -lm options in the gcc command invocation?
> It isn't a library named libm.a right?  I can't find any other reference
> to such an option for ld anywhere.
> 
> Anyway, can anyone give me some pointers as to where to go next?
> 
> Thanks 
> Lou