Compile error on Sun Sparc Solaris 2.6 (postgres v6.4)

I have a problem with compile postgresql v6.4 on Sun Sparc Solaris 2.6...


============================================================================
                        POSTGRESQL BUG REPORT TEMPLATE
============================================================================

Your name        : Evgeny Duzhakow
Your email address    : diabolo@sai.msu.su


System Configuration
- ---------------------
  Architecture (example: Intel Pentium)      : Sun Sparc

  Operating System (example: Linux 2.0.26 ELF)     : Solaris 2.6

  PostgreSQL version (example: PostgreSQL-6.4)  : PostgreSQL-6.4

  Compiler used (example:  gcc 2.8.0)        : gcc 2.7.2.3


Please enter a FULL description of your problem:
- ------------------------------------------------

gmake -C preproc all
gmake[3]: Entering directory
/disk1/home/diabolo/src/pgsql/postgresql-v6.4/src/interfaces/ecpg/preproc'
lex pgc.l
"pgc.l":line 53: Error: missing translation value
gmake[3]: *** [pgc.c] Error 1
gmake[3]: Leaving directory
/disk1/home/diabolo/src/pgsql/postgresql-v6.4/src/interfaces/ecpg/preproc'
gmake[2]: *** [all] Error 2
gmake[2]: Leaving directory
/disk1/home/diabolo/src/pgsql/postgresql-v6.4/src/interfaces/ecpg'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory
/disk1/home/diabolo/src/pgsql/postgresql-v6.4/src/interfaces'
gmake: *** [all] Error 2

                Diabolo.

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