installation error: version 1.5.2 on Unix

[Yueqiang Huang]

The machine I am using is

CPU Type is              sparc
App Architecture is      sparc
Kernel Architecture is   sun4u
OS Name is               SunOS
OS Version is            5.6
Kernel Version is        SunOS Release 5.6 Version Generic_105181-17
[UNIX(R) System V Release 4.0]

The error message is 

gcc   python.o \
          ../libpython1.5.a   -lsocket -lnsl -ldl -lm  -o python 
Undefined                       first referenced
 symbol                             in file
Py_Main                             python.o
ld: fatal: Symbol referencing errors. No output written to python
*** Error code 1
make: Fatal error: Command failed for target `link'
 

which is the last step in make.

Any idea? Thanks in advance!

yueqiang