[GRASS5] configure.in Wants testers...gl for cygwin

[John Huddleston]

Eric,  (Grass)

I had to add the -lGLw to the line.  There is no libGLwM in Cygwin.
The testing for this in the configure would not work until I set a LIBS
variable as follows in my configure-grass.sh script

LIBS="-lGLw -lGLU -lGL -L/usr/X11R6.4/lib -lXm -lXt -lX11 -lSM -lICE -lXext"
export LIBS
rm -i config.cache
./configure --prefix=/usr/local --exec-prefix=/usr/local --with-x-libs=/usr/X11R6.4/lib --with-x-includes=/usr/X11R6.4/include --wit
h-x

The src/CMD/head/head.i686-pc-cygwin file is not good when you
do it this way.  You have to hand edit that file and then the make
works.  Attached is a ZIP file containing this file for anyone's
reference.

It would be nice for the configure to create a clean head file.

John Huddleston

----- Original Message -----
From: "Eric G . Miller" <egm2 at jps.net>
To: "grass5" <grass5 at geog.uni-hannover.de>
Sent: Friday, December 29, 2000 11:35 AM
Subject: Re: [GRASS5] configure.in Wants testers...gl for cygwin


> On Fri, Dec 29, 2000 at 07:35:49AM -0700, John Huddleston wrote:
> > Eric, (Grass)
> >
> > Using the line
> >
> > gcc -o gltest gltest.c -lGLU -lGL -L/usr/X11R6.4/lib -lX11 -lSM -lICE -lXext
> >
> > will compile the test source code that you have in the
> > configure script under Cygwin to use the GL libes.
>
> Does it really need all those X libraries?  They are not set anywhere in
> src/CMD/head/head.in (only -lX11 and -lXt).  I don't know why the X
> libes are in /usr/X11R6.4/lib instead of /usr/X11R6/lib. But this is
> what breaks the AC_PATH_XTRA macro for setting X_LIBS.  By the way, the
> AC_PATH_XTRA macro will recognize --x-includes=DIR, --x-libraries=DIR,
> and --without-x.
>
> Anyway, if -lSM, -lICE, and -lXext are really needed, then we'll have to
> modify src/CMD/head/head.in and the Gmakefiles for NVIZ and r3.showdspf.
>
> --
> Eric G. Miller <egm2 at jps.net>
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