[GRASS5] Bob Covill's NVIZ2.2

[Soil & Water Lab.]

Hello,
I tried to compile Bob's version of NVIZ2.2 on a SuSE7.1/i386 box. I came with 
this error message:

#################################################################
/opt/src/grass5/grass50_exp_2003_06_14/src.contrib/GMSL/NVIZ2.2/src
  make -f OBJ.i686-pc-linux-gnu/make.rules

make[1]: Entering directory 
`/opt/src/grass5/grass50_exp_2003_06_14/src.contrib/GMSL/NVIZ2.2/src'
gcc -I/opt/src/grass5/grass50_exp_2003_06_14/src/include -g -O2   
-I/usr/X11R6/include -I/usr/include -I/usr/include 
-I/opt/src/grass5/grass50_exp_2003_06_14/src/libes/ogsf  -D_NO_PROTO 
-D__STDC__     -c map_obj.c -o OBJ.i686-pc-linux-gnu/map_obj.o
map_obj.c: In function `get_att':
map_obj.c:1331: `SV_ATT_FLAT' undeclared (first use in this function)
map_obj.c:1331: (Each undeclared identifier is reported only once
map_obj.c:1331: for each function it appears in.)
map_obj.c: In function `sv_att_atoi':
map_obj.c:1717: `SV_ATT_FLAT' undeclared (first use in this function)
make[1]: *** [OBJ.i686-pc-linux-gnu/map_obj.o] Error 1
make[1]: Leaving directory 
`/opt/src/grass5/grass50_exp_2003_06_14/src.contrib/GMSL/NVIZ2.2/src'
make: *** [nvwish] Error 2

*************************************************
I'm obviously missing something somewhere. Would you have any idea of a fix ? 
Thanks in advance.
P.

-- 
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Soil and Water Laboratory
Biological and Environmental Engineering Department
Cornell University
Riley-Robb Hall
ITHACA, NY 14853 - USA