[GRASS5] Re: [GRASSLIST:2259] Re: NVIZ on Cygwin

[Richard Greenwood]

Glynn Clements wrote:

>>Yesterday, I finally got around to compiling GRASS (5.3, no more than
>>a week old) on Cygwin, and NVIZ works for me.
>>
>>FWIW, the Tcl/Tk libraries which I'm using are:
>>
>>-rwxrwxr-x    1 root     root       568244 Apr  6  2001 libtcl8.0.a
>>-rwxrwxr-x    1 root     root       791790 Apr  6  2001 libtk8.0.a
>>
>>c3c3068a82675fe65a1481257abee9d4  libtcl8.0.a
>>e58da4259572da858fe3721f499382f6  libtk8.0.a
>>
>>which are from:
>>
>>-rwxrwxr-x    1 root     root      2002441 Feb  4 01:06 xtcltk8.0.5-CYGWIN_NT-4.0-20010405-1.tar.gz*
>>
>>b9e35f4d9f13404dc40384d2cdec0b85  xtcltk8.0.5-CYGWIN_NT-4.0-20010405-1.tar.gz
>>
>>I have both the 8.0.2 and 8.3.4 libraries installed, but the headers
>>are those from 8.0.2.
>>
>>I'll try again with 8.3.4.
> 
> 
> Done that; NVIZ still works.
> 
> -r-xr-xr-x    1 root     root       749892 Mar 28  2002 libtcl8.3.a*
> -r-xr-xr-x    1 root     root       985818 Mar 28  2002 libtk8.3.a*
> 
> fb69cc3342aa19f3fdb709738f6055e7  libtcl8.3.a
> 4e60b25c070637250f52aa13d5fcdc47  libtk8.3.a
> 
> From:
> 
> 2983750b94c52b8a5ce1aa3e39e54e45  xtcltk-8.3.4-CYGWIN.tar.gz
> 
> 
>>>Upon giving the above command, an empty (black) Windows command-line
>>>window appeared; the title bar contained the name of the NVWISH2.2
>>>program. The message
>>>---Type <return> to continue, or q <return> to quit---
>>>then appeared in the terminal where NVIZ was started and on pressing
>>>return, the segmentation fault happened.
>>>
>>>What do the two question marks and empty brackets mean? Do the provided
>>>xtcltk libaries have debugging information? Does anything else need to be
>>>compiled with debugging turned on?
> 
> 
> The xtcltk 8.3.4 libraries don't have debug info, but they weren't
> compiled with -fomit-frame-pointer, so you should still get a
> backtrace, and functions which are from the NVIZ source code can be
> debugged.
> 
> Although, if I run NVWISH2.2 under gdb, I get a segfault in libXext,
> but not if I run it directly (with identical arguments).
> 
> FWIW, the relevant Cygwin components are:
> 
> XFree86-bin-4.2.0-3.tar.bz2
> XFree86-xserv-4.2.0-37.tar.bz2
> binutils-20030307-1.tar.bz2
> cygwin-1.3.22-1.tar.bz2
> gcc-2.95.3-5.tar.bz2
> gdb-20030303-1.tar.bz2
> opengl-1.1.0-6.tar.bz2
> sunrpc-4.0-1.tar.bz2
> zlib-1.1.4-1.tar.bz2

I have been compiling with gcc 3.3.1. Might that be the root of my
problems?

-- 
Richard Greenwood
www.greenwoodmap.com