[GRASS5] configure.in Wants testers...tk check

[John Huddleston]

Eric, (Grass)

I was looking at the configure.in script and was going to make
the analogous changes to it to resolve the tk check problem
and noticed that the naming convention for variables is
not consistent for the X11 logic.   It expects a X_LIBS
variable to be set.   Following the original syntax, it would
be X_LIBRARY_DIRS.

Let me know if you want me to edit the configure.in for the
tk check fix or if you will do it.

John Huddleston

----- Original Message ----- 
From: "Eric G . Miller" <egm2 at jps.net>
To: <grass5 at geog.uni-hannover.de>
Cc: "Markus Neteler" <neteler at geog.uni-hannover.de>
Sent: Thursday, December 28, 2000 11:05 PM
Subject: Re: [GRASS5] configure.in Wants testers...


> On Wed, Dec 27, 2000 at 10:06:07AM +0000, Markus Neteler wrote:
> > Hi Eric,
> > 
> > hope (you all) had nice christmas days!
> > 
> > If you (Eric), allow, another "configure" report:
> > 
> > I tested on my Linux laptop:
> > checking Tcl include dirs... -I/usr/include
> > checking Tk include dirs... -I/usr/include
> > checking Tcl/Tk library dirs... -L/usr/lib
> > checking for Tk_MainWindow in -ltk8.3... (cached) no
> > configure: warning: *** Failed to find Tcl/Tk libraries
> 
> This seems to happen when the test program doesn't have all the required
> link -l<lib> flags.  It seems to vary by system.  Most likely it needs
> some of the X11 flags for the test to succeed (-lX11, -lXt, etc...).
> Perhaps you could help me determine which should be added?
> 
> Create a small program like:
> 
> ------------------------<cut here>----------------------------------
> char *Tk_MainWindow();
> 
> int main (void)
> {
>    Tk_MainWindow();
>    return 0;
> }
> -----------------------<cut here>----------------------------------
> 
> Then try compiling it with various options:
> 
> $ gcc tktest.c -ltk8.3
> 
> $ gcc tktest.c -ltk8.3 -L/usr/X11R6/lib -lXt -lX11
> 
> etc...
> 
> The test program should *not* include "tk.h", so that the redefinition
> of Tk_MainWindow() will not cause a compilation error.  On my system, I
> only need the "-ltk8.3" flag, but I've seen where X libs are needed
> elsewhere to overcome similar problems (like -lGLwM).  The program only
> needs to compile to indicate successful linking (it will obviously fail
> to run properly due to wrong/missing arguments to Tk_MainWindow()).
> 
> Also, if you changed some options to configure, you might need to delete
> the "config.cache" file so the test is actually performed (it won't be
> if the cache already has success/failure stored).
> 
> -- 
> Eric G. Miller <egm2 at jps.net>
> 
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