install problem under solaris

Hi,

 I solved some of my problems by installing postgres. But now I've another
problem.

$uname -a
SunOS sparc4_20 5.6 Generic_105181-09 sun4m sparc SUNW,SPARCstation-4

 Here is the error I get. Please help.

Murat

gmake[2]: Entering directory /mis/postgresql-v6.4/src/interfaces/ecpg'
gmake  -C include all
gmake[3]: Entering directory
/mis/postgresql-v6.4/src/interfaces/ecpg/include'
Nothing to be done.
gmake[3]: Leaving directory
/mis/postgresql-v6.4/src/interfaces/ecpg/include'
gmake  -C lib all
gmake[3]: Entering directory /mis/postgresql-v6.4/src/interfaces/ecpg/lib'
gcc -I../../../include -I../../../backend     -Wall -Wmissing-prototypes
-I../include -I../../../interfaces/libpq -fPIC   -c ecpglib.c -o ecpglib.o
gcc -I../../../include -I../../../backend     -Wall -Wmissing-prototypes
-I../include -I../../../interfaces/libpq -fPIC   -c typename.c -o typename.o
ar crs libecpg.a ecpglib.o typename.o
ranlib libecpg.a
ld -G -o libecpg.so.2.6.2 ecpglib.o typename.o -L../../libpq -lpq
gmake[3]: Leaving directory /mis/postgresql-v6.4/src/interfaces/ecpg/lib'
gmake  -C preproc all
gmake[3]: Entering directory
/mis/postgresql-v6.4/src/interfaces/ecpg/preproc'
/usr/local/gnu/bin/bison -y -d preproc.y
gcc -I../../../include -I../../../backend     -Wall -Wmissing-prototypes
-I../include -DMAJOR_VERSION=2 -DMINOR_VERSION=4 -DPATCHLEVEL=4
-DINCLUDE_PATH=\"/usr/local/pgsql/include\"    -c y.tab.c -o y.tab.o
/mit/gnu/share/bison/bison.simple: In function yparse':
/mit/gnu/share/bison/bison.simple:354: warning: implicit declaration of
function ylex'
lex pgc.l
"pgc.l":line 53: Error: missing translation value
gmake[3]: *** [pgc.c] Error 1
gmake[3]: Leaving directory
/mis/postgresql-v6.4/src/interfaces/ecpg/preproc'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory /mis/postgresql-v6.4/src/interfaces/ecpg'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory /mis/postgresql-v6.4/src/interfaces'
gmake: *** [all] Error 2