On Tuesday 25 October 2005 12.32, Andreas Seltenreich wrote: > > This is the error message: > > > > psql:/usr/share/postgresql/contrib/proximity.sql:5: ERROR: could not > > load library "/usr/lib/postgresql/proximity.so": > > /usr/lib/postgresql/proximity.so: undefined symbol: > > _ZNKSs17find_first_not_ofERKSsj > > > > What should I do to be able to use this extension? > > It looks like your .so isn't linked to libstdc++. How exactly did you > compile and link the .so? I use a very simple makefile which is from the PostgreSql documentation. Makefile: OBJS = pg_prox.o proximity.o ../common/pg_utils.o MODULE_big = proximity DATA_built = proximity.sql DOCS = README.proximity PGXS := $(shell pg_config --pgxs) include $(PGXS) - end of makefile - Regards, Zoli -- Zoltan Dudas Software Engineer SEI Hungary Office +36-52-889-532 Ext: 2032 Fax +36-52-889-599 Email zoltan.dudas@xxxxxx URL www.sei-it.com ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster