but the Makefile does break non g++.
<<mak.patch>>
Andreas
# Copyright (c) 1994, Regents of the University of California
#
# IDENTIFICATION
-# $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/Makefile.in,v 1.13 1999/05/26 16:19:48 momjian Exp $
+# $Header: /cvsroot/pgsql/src/interfaces/libpq++/Attic/Makefile.in,v 1.14 1999/05/27 14:28:40 momjian Exp $
#
#-------------------------------------------------------------------------
# Pull shared-lib CFLAGS into CXXFLAGS
-CXXFLAGS+= $(CFLAGS) -Wno-unused
+CXXFLAGS+= $(CFLAGS)
.PHONY: examples