Linking to palloc and elog. (fwd)

Hello,
    I'm not too familiar with linking to pgsql libs. I've linked to
the static libpq libs before, but this is new ground. I'm following the
example in complex.  When I try to link here is my errors:

gcc -g -I /usr/pgsql/include testepg.o compos.o vect3d.o -o testepg
compos.o: In function `compos_in':

/home/sprawlsr/devel/projects/galwars/misc/compos.c:10: undefined
reference to `elog'

/home/sprawlsr/devel/projects/galwars/misc/compos.c:14: undefined
reference to `CurrentMemoryContext'

/home/sprawlsr/devel/projects/galwars/misc/compos.c:14: undefined
reference to `MemoryContextAlloc'

/home/sprawlsr/devel/projects/galwars/misc/compos.c:16: undefined
reference to `elog'

There is more, but this should do it.

Robert J. Sprawls            sprawlsr@worldnet.att.net
Tactical Dynamics            http://home.att.net/~sprawlsr
CEO (Chief Everything Officer)