trigger function building

hook <hook@kcp.com>

From: hook <hook@kcp.com>
To: pgsql-sql@postgresql.org
Date: 2004-05-26T11:42:41Z
Lists: pgsql-sql
What's the proper way to include the suport files for building 'C' 
trigger functions in to the normal PostgreSQL install?

I.E. /
    "make install "does not include internal/postgres_fe.h, 
executor/spi.h nor commands/trigger.h in to /usr/local/pgsql/include.