Come to think of it, the backend doesn't use -lz either.

tglsfdc · tglsfdc · commit 200545039ca7 · 2005-11-28T22:43:30.000Z
diff --git a/src/backend/Makefile b/src/backend/Makefile
@@ -4,7 +4,7 @@
 #
 # Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/backend/Makefile,v 1.111 2005/11/28 22:06:39 tgl Exp $
+# $PostgreSQL: pgsql/src/backend/Makefile,v 1.112 2005/11/28 22:43:30 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -22,10 +22,10 @@ SUBSYSOBJS := $(DIRS:%=%/SUBSYS.o)
 OBJS := $(SUBSYSOBJS) $(top_builddir)/src/port/libpgport_srv.a
 
 # We put libpgport into OBJS, so remove it from LIBS
-LIBS := $(patsubst -lpgport, , $(LIBS))
+LIBS := $(filter-out -lpgport, $(LIBS))
 
 # The backend doesn't need everything that's in LIBS, however
-LIBS := $(filter-out -lreadline -ledit -ltermcap -lncurses -lcurses, $(LIBS))
+LIBS := $(filter-out -lz -lreadline -ledit -ltermcap -lncurses -lcurses, $(LIBS))
 
 ifeq ($(PORTNAME), qnx4)
 # This file crashes qnx4's wlink and is therefore not in

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@`
`4`	`4`	`#`
`5`	`5`	`# Copyright (c) 1994, Regents of the University of California`
`6`	`6`	`#`
`7`		`-# $PostgreSQL: pgsql/src/backend/Makefile,v 1.111 2005/11/28 22:06:39 tgl Exp $`
	`7`	`+# $PostgreSQL: pgsql/src/backend/Makefile,v 1.112 2005/11/28 22:43:30 tgl Exp $`
`8`	`8`	`#`
`9`	`9`	`#-------------------------------------------------------------------------`
`10`	`10`
`@@ -22,10 +22,10 @@ SUBSYSOBJS := $(DIRS:%=%/SUBSYS.o)`
`22`	`22`	`OBJS := $(SUBSYSOBJS) $(top_builddir)/src/port/libpgport_srv.a`
`23`	`23`
`24`	`24`	`# We put libpgport into OBJS, so remove it from LIBS`
`25`		`-LIBS := $(patsubst -lpgport, , $(LIBS))`
	`25`	`+LIBS := $(filter-out -lpgport, $(LIBS))`
`26`	`26`
`27`	`27`	`# The backend doesn't need everything that's in LIBS, however`
`28`		`-LIBS := $(filter-out -lreadline -ledit -ltermcap -lncurses -lcurses, $(LIBS))`
	`28`	`+LIBS := $(filter-out -lz -lreadline -ledit -ltermcap -lncurses -lcurses, $(LIBS))`
`29`	`29`
`30`	`30`	`ifeq ($(PORTNAME), qnx4)`
`31`	`31`	`# This file crashes qnx4's wlink and is therefore not in`