Error installing Postgres 8.2.4

Hi,

I am getting an error while running gmake on postgres8.2.4. Here is the list of steps that I followed

Platform is Solaris 10 for x86
1. Downloaded postgresql-8.2.4.tar from ftp://ftp.postgresql.org/pub/source/v8.2.4/postgresql-8.2.4.tar.gz
2. gunzip postgresql-8.2.4.tar.gz
3. tar -xvf postgresql-8.2.4.tar
4. cd postgresql-8.2.4
5. executed configure first, it was giving readline error therefore used configure --without-readline
6. The error that I am getting is

bash-3.00$ gmake
gmake -C doc all
gmake[1]: Entering directory `/export/home/Jenny/postgresql-8.2.4/doc'
gmake[1]: Nothing to be done for `all'.
gmake[1]: Leaving directory `/export/home/Jenny/postgresql-8.2.4/doc'
gmake -C src all
gmake[1]: Entering directory `/export/home/Jenny/postgresql-8.2.4/src'
gmake -C port all
gmake[2]: Entering directory `/export/home/Jenny/postgresql-8.2.4/src/port'
ar crs libpgport.a isinf.o inet_aton.o copydir.o dirmod.o exec.o noblock.o path.o pipe.o pgsleep.o pgstrcasecmp.o qsort.o qsort_arg.o sprompt.o thread.o
gmake[2]: ar: Command not found
gmake[2]: *** [libpgport.a] Error 127
gmake[2]: Leaving directory `/export/home/Jenny/postgresql-8.2.4/src/port'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory `/export/home/Jenny/postgresql-8.2.4/src'
gmake: *** [all] Error 2

Please advise.

Thanks
Jenny

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