OS-8113 enable ld guidance (#262)

Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: Jerry Jelinek <jerry.jelinek@joyent.com>

25 files changed, 66 insertions, 226 deletions

diff --git a/manifest b/manifest
index 8fcb2c018c..fc6c91986d 100644
--- a/manifest
+++ b/manifest
@@ -1264,6 +1264,8 @@ f lib/amd64/libdevid.so.1 0755 root bin
 s lib/amd64/libdevid.so=libdevid.so.1
 f lib/amd64/libdevinfo.so.1 0755 root bin
 s lib/amd64/libdevinfo.so=libdevinfo.so.1
+f lib/amd64/libdhcpagent.so.1 0755 root bin
+s lib/amd64/libdhcpagent.so=libdhcpagent.so.1
 f lib/amd64/libdl.so.1 0755 root bin
 s lib/amd64/libdl.so=libdl.so.1
 f lib/amd64/libdladm.so.1 0755 root bin
diff --git a/usr/src/Makefile.master b/usr/src/Makefile.master
index 0a3c9c6d9d..d2402d2fff 100644
--- a/usr/src/Makefile.master
+++ b/usr/src/Makefile.master
@@ -27,9 +27,8 @@
 # Copyright 2015 Gary Mills
 # Copyright 2015 Igor Kozhukhov <ikozhukhov@gmail.com>
 # Copyright 2016 Toomas Soome <tsoome@me.com>
-# Copyright 2017 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 # Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
-# Copyright 2019, Joyent, Inc.
 # Copyright 2019 RackTop Systems.
 #
 
@@ -1013,9 +1012,7 @@ ZTEXT=		-ztext
 ZVERBOSE=	-zverbose
 ZASSERTDEFLIB=	-zassert-deflib
 ZGUIDANCE=	-zguidance
-# XXX temporarily disable this to get the SmartOS build working
-# ZFATALWARNINGS=	-zfatal-warnings
-ZFATALWARNINGS=
+ZFATALWARNINGS=	-zfatal-warnings
 
 GSHARED=	-G
 CCMT=		-mt
diff --git a/usr/src/cmd/ipf/tools/Makefile.tools b/usr/src/cmd/ipf/tools/Makefile.tools
index c57f0ace87..a89fc63f97 100644
--- a/usr/src/cmd/ipf/tools/Makefile.tools
+++ b/usr/src/cmd/ipf/tools/Makefile.tools
@@ -23,7 +23,7 @@
 # Use is subject to license terms.
 #
 # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
-# Copyright 2019 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 PROG=		ipf ipfs ipmon ipnat ippool ipfstat
@@ -56,7 +56,7 @@ SRCS=		$(OBJSL:%.o=../%.c)
 include ../../../Makefile.cmd
 include ../../Makefile.ipf
 
-LDLIBS		+= $(LIBBPF) -luuid
+LDLIBS		+= $(LIBBPF)
 LDFLAGS		+= $(MAPFILE.NGB:%=-M%)
 
 CPPFLAGS	+= -I. -DIPFILTER_LOOKUP -DIPFILTER_LOG
@@ -64,12 +64,12 @@ CPPFLAGS	+= -I. -DIPFILTER_LOOKUP -DIPFILTER_LOG
 ipfstat.o	:=	CPPFLAGS += -DSTATETOP
 ipfstat		:=	LDLIBS += -lcurses
 
-ipf		:=	LDLIBS += -lsocket -lnsl
-ipftest		:=	LDLIBS += -lsocket -lnsl -lmd
-ipfstat		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf
-ipmon		:=	LDLIBS += -lsocket -lnsl
-ipnat		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf
-ippool		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf
+ipf		:=	LDLIBS += -lsocket -lnsl -luuid
+ipftest		:=	LDLIBS += -lsocket -lnsl -lmd -luuid
+ipfstat		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf -luuid
+ipmon		:=	LDLIBS += -lsocket -lnsl -luuid
+ipnat		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf -luuid
+ippool		:=	LDLIBS += -lsocket -lnsl -lkvm -lelf -luuid
 
 CLEANFILES	+= $(OBJS)
 CLOBBERFILES	+= $(IPFPROG)
@@ -243,17 +243,15 @@ ippool_l.o: ../ippool_l.c $(COMMONIPF)/netinet/ip_pool.h ../ippool_l.h
 CLEANFILES += ../ippool_l.c ../ippool_l.h
 
 ipftest:	$(IPFTEST_OBJS) $(LIBIPF) $(MAPFILE.NGB)
-	$(LINK.c) $(ZIGNORE) -o ipftest $(IPFTEST_OBJS) $(LDLIBS)  
+	$(LINK.c) $(ZIGNORE) -o ipftest $(IPFTEST_OBJS) $(LDLIBS)
 	$(POST_PROCESS)
 
 clean:
 	-$(RM) $(CLEANFILES)
 
-lint: 	lint_SRCS
-
 #
 # NOTE: all rules must use relative paths otherwise absolute paths will be
-#       embedded into the binaries making them false positives and 
+#       embedded into the binaries making them false positives and
 #       reported by wsdiff
 #
 
diff --git a/usr/src/cmd/rcap/rcapd/Makefile b/usr/src/cmd/rcap/rcapd/Makefile
index 77f4d6812e..355b5eef0a 100644
--- a/usr/src/cmd/rcap/rcapd/Makefile
+++ b/usr/src/cmd/rcap/rcapd/Makefile
@@ -22,6 +22,8 @@
 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright 2020 Joyent, Inc.
+#
 
 include ../../Makefile.cmd
 include ../../Makefile.cmd.64
@@ -62,7 +64,7 @@ LINTSRCS = rcapd_main.c \
 $(NOT_RELEASE_BUILD)CPPFLAGS	+= -DDEBUG
 CPPFLAGS			+= -DDEBUG_MSG
 CPPFLAGS			+= -I$(COMMON_DIR)
-LDLIBS			+= -lkstat -lproc -lproject -lzonecfg -lumem -lscf
+LDLIBS			+= -lkstat -lproc -lproject -lumem -lscf
 LDLIBS			+= $(EXTRA_LDLIBS)
 
 LINTFLAGS64		+= -u
diff --git a/usr/src/cmd/rcap/rcapstat/Makefile b/usr/src/cmd/rcap/rcapstat/Makefile
index 1b4e0e6180..a886b05782 100644
--- a/usr/src/cmd/rcap/rcapstat/Makefile
+++ b/usr/src/cmd/rcap/rcapstat/Makefile
@@ -22,6 +22,8 @@
 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright 2020 Joyent, Inc.
+#
 
 .KEEP_STATE:
 .SUFFIXES:
@@ -29,7 +31,7 @@
 include ../../Makefile.cmd
 
 COMMON_DIR=	../common	# for Makefile.com
-SRCS = 		rcapstat.c \
+SRCS =		rcapstat.c \
 		utils.c
 
 LINTSRCS =	$(COMMON_DIR)/utils.c \
@@ -41,9 +43,9 @@ STATCOMMONDIR = $(SRC)/cmd/stat/common
 STAT_COMMON_OBJS = timestamp.o
 STAT_COMMON_SRCS = $(STAT_COMMON_OBJS:%.o=$(STATCOMMONDIR)/%.c)
 
-$(NOT_RELEASE_BUILD)CPPFLAGS 	+= -DDEBUG
-CPPFLAGS 			+= -I$(COMMON_DIR) -I$(STATCOMMONDIR)
-LDLIBS 				+= -lumem -lzonecfg -lscf
+$(NOT_RELEASE_BUILD)CPPFLAGS	+= -DDEBUG
+CPPFLAGS			+= -I$(COMMON_DIR) -I$(STATCOMMONDIR)
+LDLIBS				+= -lumem -lscf
 LDFLAGS				+= $(MAPFILE.NGB:%=-M%)
 
 LINTFLAGS			+= $(LDLIBS) -mnu
@@ -54,7 +56,7 @@ OBJS =				$(SRCS:%.c=%.o) rcapd_conf.o
 POFILES =			$(OBJS:%.o=%.po)
 POFILE =			p$(PROG).po
 
-CLOBBERFILES += 		rcapd_conf.c $(POFILES) $(POFILE)
+CLOBBERFILES +=			rcapd_conf.c $(POFILES) $(POFILE)
 
 .NO_PARALLEL:
 .PARALLEL: $(OBJS) $(LINTFILES)
diff --git a/usr/src/cmd/svc/configd/Makefile b/usr/src/cmd/svc/configd/Makefile
index e498673e40..f80c411e83 100644
--- a/usr/src/cmd/svc/configd/Makefile
+++ b/usr/src/cmd/svc/configd/Makefile
@@ -81,7 +81,7 @@ ROOTSCRIPTFILE	= $(ROOTCMDDIR)/$(SCRIPTFILE)
 # Native variant (used in ../seed). We only need to set NATIVE_LIBS if
 # $(ADJUNCT_PROTO) is pointing outside of /usr/lib.
 #
-$(NO_ADJUNCT_PROTO)NATIVE_LIBS += libumem.so libc.so
+$(NATIVE_BUILD)NATIVE_LIBS += libumem.so libc.so
 $(NATIVE_BUILD)CC =	$(NATIVECC)
 $(NATIVE_BUILD)LD =	$(NATIVELD)
 $(NATIVE_BUILD)CFLAGS =	$(NATIVE_CFLAGS)
diff --git a/usr/src/cmd/zoneadmd/Makefile.com b/usr/src/cmd/zoneadmd/Makefile.com
index 6312c00ad5..9725021b17 100644
--- a/usr/src/cmd/zoneadmd/Makefile.com
+++ b/usr/src/cmd/zoneadmd/Makefile.com
@@ -20,7 +20,7 @@
 
 #
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright 2018 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 PROG= zoneadmd
@@ -35,7 +35,7 @@ OBJS= zoneadmd.o zcons.o zfd.o vplat.o log.o
 CFLAGS += $(CCVERBOSE)
 LDLIBS += -lsocket -lzonecfg -lnsl -ldevinfo -ldevice -lnvpair \
 	-lgen -lbsm -lcontract -lzfs -luuid -lbrand -ldladm -ltsnet -ltsol \
-	-linetutil -lproc -lscf -lppt
+	-linetutil -lscf -lppt
 
 CSTD= $(CSTD_GNU99)
 
diff --git a/usr/src/lib/brand/jcommon/Makefile b/usr/src/lib/brand/jcommon/Makefile
index d6ca5fb229..59bc0de644 100644
--- a/usr/src/lib/brand/jcommon/Makefile
+++ b/usr/src/lib/brand/jcommon/Makefile
@@ -8,7 +8,7 @@
 # source.  A copy of the CDDL is also available via the Internet at
 # http://www.illumos.org/license/CDDL.
 #
-# Copyright 2019 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 PROGS = cattach cdetach cinstall cuninstall libhooks.ksh \
@@ -23,4 +23,6 @@ clean:
 clobber:
 	$(RM) $(ROOTPROGS)
 
+all:
+
 install: $(ROOTPROGS)
diff --git a/usr/src/lib/brand/lx/librtld_db/Makefile.com b/usr/src/lib/brand/lx/librtld_db/Makefile.com
index 3f2645f157..0237de1cc3 100644
--- a/usr/src/lib/brand/lx/librtld_db/Makefile.com
+++ b/usr/src/lib/brand/lx/librtld_db/Makefile.com
@@ -23,7 +23,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# Copyright 2019 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 
 LIBRARY =	lx_librtld_db.a
 VERS	=	.1
@@ -49,7 +49,8 @@ UTSBASE	=	$(SRC)/uts
 #	brand plugin library can use to access a target process are the
 #	proc_service(3PROC) apis.
 #
-DYNFLAGS +=	$(VERSREF) -M../common/mapfile-vers
+MAPFILES = $(BRAND_SHARED)/librtld_db/common/mapfile-vers
+DYNFLAGS +=	$(VERSREF)
 LIBS =		$(DYNLIB)
 LDLIBS +=	-lc -lrtld_db
 CFLAGS +=	$(CCVERBOSE)
@@ -65,10 +66,10 @@ ROOTLIBDIR =	$(ROOT)/usr/lib/brand/lx
 ROOTLIBDIR64 =	$(ROOT)/usr/lib/brand/lx/$(MACH64)
 
 #
-# The top level Makefiles define define TEXT_DOMAIN.  But librtld_db.so.1
-# isn't internationalized and this library won't be either.  The only
-# messages that this library can generate are messages used for debugging
-# the operation of the library itself.
+# The top level Makefiles define TEXT_DOMAIN.  But librtld_db.so.1 isn't
+# internationalized and this library won't be either.  The only messages that
+# this library can generate are messages used for debugging the operation of the
+# library itself.
 #
 DTEXTDOM =
 
@@ -76,8 +77,6 @@ DTEXTDOM =
 
 all: $(LIBS)
 
-lint: lintcheck
-
 pics/%64.o:	../common/%.c
 		$(COMPILE.c) -D_ELF64 $(PICFLAGS) -o $@ $<
 		$(POST_PROCESS_O)
diff --git a/usr/src/lib/brand/lx/librtld_db/amd64/Makefile b/usr/src/lib/brand/lx/librtld_db/amd64/Makefile
index 726e7ef6d3..bdef5f5adb 100644
--- a/usr/src/lib/brand/lx/librtld_db/amd64/Makefile
+++ b/usr/src/lib/brand/lx/librtld_db/amd64/Makefile
@@ -23,7 +23,7 @@
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# ident	"%Z%%M%	%I%	%E% SMI"
+# Copyright 2020 Joyent, Inc.
 #
 
 COBJS64 =	lx_librtld_db64.o
@@ -31,8 +31,6 @@ COBJS64 =	lx_librtld_db64.o
 include ../Makefile.com
 include $(SRC)/lib/Makefile.lib.64
 
-DYNFLAGS +=	-Mmapfile-vers
-
 CLOBBERFILES = $(ROOTLIBDIR64)/$(DYNLIB)
 
 install: all $(ROOTLIBS64)
diff --git a/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers b/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers
deleted file mode 100644
index 4893b02998..0000000000
--- a/usr/src/lib/brand/lx/librtld_db/amd64/mapfile-vers
+++ /dev/null
@@ -1,44 +0,0 @@
-#
-# CDDL HEADER START
-#
-# The contents of this file are subject to the terms of the
-# Common Development and Distribution License (the "License").
-# You may not use this file except in compliance with the License.
-#
-# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
-# or http://www.opensolaris.org/os/licensing.
-# See the License for the specific language governing permissions
-# and limitations under the License.
-#
-# When distributing Covered Code, include this CDDL HEADER in each
-# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
-# If applicable, add the following below this CDDL HEADER, with the
-# fields enclosed by brackets "[]" replaced with your own identifying
-# information: Portions Copyright [yyyy] [name of copyright owner]
-#
-# CDDL HEADER END
-#
-
-#
-# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
-# Use is subject to license terms.
-#
-
-#
-# MAPFILE HEADER START
-#
-# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
-# Object versioning must comply with the rules detailed in
-#
-#	usr/src/lib/README.mapfiles
-#
-# You should not be making modifications here until you've read the most current
-# copy of that file. If you need help, contact a gatekeeper for guidance.
-#
-# MAPFILE HEADER END
-#
-
-SUNWprivate_1.1 {
-	global:
-		rtld_db_brand_ops64;
-};
diff --git a/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers b/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers
deleted file mode 100644
index 5e328d6075..0000000000
--- a/usr/src/lib/brand/lx/librtld_db/common/mapfile-vers
+++ /dev/null
@@ -1,58 +0,0 @@
-#
-# CDDL HEADER START
-#
-# The contents of this file are subject to the terms of the
-# Common Development and Distribution License (the "License").
-# You may not use this file except in compliance with the License.
-#
-# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
-# or http://www.opensolaris.org/os/licensing.
-# See the License for the specific language governing permissions
-# and limitations under the License.
-#
-# When distributing Covered Code, include this CDDL HEADER in each
-# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
-# If applicable, add the following below this CDDL HEADER, with the
-# fields enclosed by brackets "[]" replaced with your own identifying
-# information: Portions Copyright [yyyy] [name of copyright owner]
-#
-# CDDL HEADER END
-#
-
-#
-# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
-# Use is subject to license terms.
-#
-
-#
-# MAPFILE HEADER START
-#
-# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
-# Object versioning must comply with the rules detailed in
-#
-#	usr/src/lib/README.mapfiles
-#
-# You should not be making modifications here until you've read the most current
-# copy of that file. If you need help, contact a gatekeeper for guidance.
-#
-# MAPFILE HEADER END
-#
-
-{
-	global:
-		rtld_db_brand_ops32;
-	local:
-		*;
-};
-
-#Externally defined symbols
-{
-    global:
-	ps_pauxv =		NODIRECT PARENT;
-	ps_pdmodel =		NODIRECT PARENT;
-	ps_pglobal_lookup =	NODIRECT PARENT;
-	ps_pglobal_sym =	NODIRECT PARENT;
-	ps_plog =		NODIRECT PARENT;
-	ps_pread =		NODIRECT PARENT;
-	ps_pwrite =		NODIRECT PARENT;
-};
diff --git a/usr/src/lib/brand/lx/lx_brand/Makefile.com b/usr/src/lib/brand/lx/lx_brand/Makefile.com
index 01fe63d70e..f506fc49fc 100644
--- a/usr/src/lib/brand/lx/lx_brand/Makefile.com
+++ b/usr/src/lib/brand/lx/lx_brand/Makefile.com
@@ -21,7 +21,7 @@
 #
 # Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
-# Copyright 2019 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LX_CMN  =	$(SRC)/common/brand/lx
@@ -69,14 +69,16 @@ SRCDIR =	../common
 UTSBASE	=	../../../../../uts
 
 LIBS =		$(DYNLIB)
-LDLIBS +=	-lc -lsocket -lmapmalloc -lproc -lrtld_db -lrpcsvc -lnsl
+LDLIBS +=	-lmapmalloc -lsocket -lproc -lrtld_db -lrpcsvc -lnsl -lc
 DYNFLAGS +=	$(DYNFLAGS_$(CLASS))
-DYNFLAGS +=	$(BLOCAL) $(ZNOVERSION) -Wl,-e_start -M../common/mapfile
+DYNFLAGS +=	$(BLOCAL) $(ZNOVERSION) -Wl,-e_start
 CFLAGS +=	$(CCVERBOSE)
 CPPFLAGS +=	-D_REENTRANT -I. -I../ -I$(UTSBASE)/common/brand/lx -I$(LX_CMN)
 ASFLAGS =	-P $(ASFLAGS_$(CURTYPE)) -D_ASM -I../	\
 			-I$(UTSBASE)/common/brand/lx
 
+ZGUIDANCE =	-zguidance=nounused
+
 # not linted
 SMATCH=off
 
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mapfile b/usr/src/lib/brand/lx/lx_brand/common/mapfile
deleted file mode 100644
index 0663f4bc19..0000000000
--- a/usr/src/lib/brand/lx/lx_brand/common/mapfile
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# CDDL HEADER START
-#
-# The contents of this file are subject to the terms of the
-# Common Development and Distribution License (the "License").
-# You may not use this file except in compliance with the License.
-#
-# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
-# or http://www.opensolaris.org/os/licensing.
-# See the License for the specific language governing permissions
-# and limitations under the License.
-#
-# When distributing Covered Code, include this CDDL HEADER in each
-# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
-# If applicable, add the following below this CDDL HEADER, with the
-# fields enclosed by brackets "[]" replaced with your own identifying
-# information: Portions Copyright [yyyy] [name of copyright owner]
-#
-# CDDL HEADER END
-#
-
-#
-# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
-# Use is subject to license terms.
-#
-
-#
-# MAPFILE HEADER START
-#
-# WARNING:  STOP NOW.  DO NOT MODIFY THIS FILE.
-# Object versioning must comply with the rules detailed in
-#
-#	usr/src/lib/README.mapfiles
-#
-# You should not be making modifications here until you've read the most current
-# copy of that file. If you need help, contact a gatekeeper for guidance.
-#
-# MAPFILE HEADER END
-#
-
-#
-# Scope everything local -- our .init section is our only public interface.
-#
-{
-	local:
-		*;
-};
diff --git a/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers b/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers
index 0663f4bc19..9d2712a12f 100644
--- a/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers
+++ b/usr/src/lib/brand/lx/lx_brand/common/mapfile-vers
@@ -20,8 +20,9 @@
 #
 
 #
-# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
-# Use is subject to license terms.
+# Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
+#
+# Copyright 2020 Joyent, Inc.
 #
 
 #
@@ -38,10 +39,12 @@
 # MAPFILE HEADER END
 #
 
+$mapfile_version 2
+
 #
 # Scope everything local -- our .init section is our only public interface.
 #
-{
+SYMBOL_SCOPE {
 	local:
 		*;
 };
diff --git a/usr/src/lib/fm/libfmd_snmp/Makefile.com b/usr/src/lib/fm/libfmd_snmp/Makefile.com
index 99dd888363..e0abeeef0d 100644
--- a/usr/src/lib/fm/libfmd_snmp/Makefile.com
+++ b/usr/src/lib/fm/libfmd_snmp/Makefile.com
@@ -53,7 +53,7 @@ $(NOT_RELEASE_BUILD)CPPFLAGS += -DDEBUG
 CFLAGS += $(CCVERBOSE) $(C_BIGPICFLAGS)
 CFLAGS64 += $(CCVERBOSE) $(C_BIGPICFLAGS)
 
-SNMPLIBS = -lnetsnmp -lnetsnmpagent
+SNMPLIBS = -lnetsnmp -lnetsnmpagent -lnetsnmphelpers
 NATIVE_LIBS += libnetsnmp.so libnetsnmpagent.so
 
 LDLIBS += $(MACH_LDLIBS)
diff --git a/usr/src/lib/libbunyan/Makefile.com b/usr/src/lib/libbunyan/Makefile.com
index 5214915c56..d0d00bf0e5 100644
--- a/usr/src/lib/libbunyan/Makefile.com
+++ b/usr/src/lib/libbunyan/Makefile.com
@@ -10,7 +10,7 @@
 #
 
 #
-# Copyright (c) 2014 Joyent, Inc. All rights reserved.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY =	libbunyan.a
@@ -21,7 +21,7 @@ USDT_PROVIDERS =	bunyan_provider.d
 include ../../Makefile.lib
 
 LIBS =		$(DYNLIB) $(LINTLIB)
-LDLIBS +=	-lc -lumem -lnvpair -lnsl
+LDLIBS +=	-lc -lumem -lnvpair
 CPPFLAGS +=	-I../common -I. -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
 
 SRCDIR =	../common
diff --git a/usr/src/lib/libdladm/Makefile.com b/usr/src/lib/libdladm/Makefile.com
index d3d811b265..348061cb54 100644
--- a/usr/src/lib/libdladm/Makefile.com
+++ b/usr/src/lib/libdladm/Makefile.com
@@ -20,7 +20,7 @@
 #
 #
 # Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
-# Copyright (c) 2018, Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY = libdladm.a
@@ -38,7 +38,7 @@ include ../../Makefile.rootfs
 
 LIBS =		$(DYNLIB) $(LINTLIB)
 LDLIBS +=	-ldevinfo -lc -linetutil -lsocket -lscf -lrcm -lnvpair \
-		-lexacct -lnsl -lkstat -lpool -lvarpd
+		-lexacct -lkstat -lpool -lvarpd
 
 SRCDIR =	../common
 $(LINTLIB) :=	SRCS = $(SRCDIR)/$(LINTSRC)
diff --git a/usr/src/lib/libsmartsshd/Makefile.com b/usr/src/lib/libsmartsshd/Makefile.com
index 1c189a88d8..b9c5b88f23 100644
--- a/usr/src/lib/libsmartsshd/Makefile.com
+++ b/usr/src/lib/libsmartsshd/Makefile.com
@@ -18,7 +18,7 @@
 #
 # CDDL HEADER END
 #
-# Copyright 2016 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY=	libsmartsshd.a
@@ -33,7 +33,7 @@ SRCS =	$(OBJECTS:%.o=$(SRCDIR)/%.c)
 
 CPPFLAGS +=	-I$(SRCDIR) -D_REENTRANT -D_FILE_OFFSET_BITS=64
 LIBS =		$(DYNLIB) $(LINTLIB)
-LDLIBS +=	-lc -ldoor -lmd5
+LDLIBS +=	-lc -lmd5
 
 $(LINTLIB) :=	SRCS=	$(SRCDIR)/$(LINTSRC)
 
diff --git a/usr/src/lib/varpd/direct/Makefile.com b/usr/src/lib/varpd/direct/Makefile.com
index 4072c9a0ab..c9baf53cd4 100644
--- a/usr/src/lib/varpd/direct/Makefile.com
+++ b/usr/src/lib/varpd/direct/Makefile.com
@@ -10,7 +10,7 @@
 #
 
 #
-# Copyright 2015 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY =	libvarpd_direct.a
@@ -21,7 +21,7 @@ include ../../../Makefile.lib
 include ../../Makefile.plugin
 
 LIBS =		$(DYNLIB)
-LDLIBS +=	-lc -lumem -lnvpair -lnsl
+LDLIBS +=	-lc -lumem -lnvpair
 CPPFLAGS +=	-I../common
 
 C99MODE=	-xc99=%all
diff --git a/usr/src/lib/varpd/files/Makefile.com b/usr/src/lib/varpd/files/Makefile.com
index cdd4d019a4..dd8009d002 100644
--- a/usr/src/lib/varpd/files/Makefile.com
+++ b/usr/src/lib/varpd/files/Makefile.com
@@ -10,7 +10,7 @@
 #
 
 #
-# Copyright 2018 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY =	libvarpd_files.a
@@ -22,7 +22,7 @@ include ../../../Makefile.lib
 include ../../Makefile.plugin
 
 LIBS =		$(DYNLIB)
-LDLIBS +=	-lc -lumem -lnvpair -lsocket -lnsl -lcustr
+LDLIBS +=	-lc -lumem -lnvpair -lsocket -lcustr
 CPPFLAGS +=	-I../common
 
 LINTFLAGS +=	-erroff=E_BAD_PTR_CAST_ALIGN
diff --git a/usr/src/lib/varpd/svp/Makefile.com b/usr/src/lib/varpd/svp/Makefile.com
index 15b6540e74..d5e6d73144 100644
--- a/usr/src/lib/varpd/svp/Makefile.com
+++ b/usr/src/lib/varpd/svp/Makefile.com
@@ -10,7 +10,7 @@
 #
 
 #
-# Copyright 2015 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 LIBRARY =	libvarpd_svp.a
@@ -34,7 +34,7 @@ LIBS =		$(DYNLIB)
 # functions and better to use that then compile list.o yet again
 # ourselves... probably.
 #
-LDLIBS +=	-lc -lumem -lnvpair -lsocket -lnsl -lavl \
+LDLIBS +=	-lc -lumem -lnvpair -lsocket -lavl \
 		-lcmdutils -lidspace -lbunyan
 CPPFLAGS +=	-I../common
 
diff --git a/usr/src/test/os-tests/tests/file-locking/Makefile b/usr/src/test/os-tests/tests/file-locking/Makefile
index 64011074c5..cd0562777d 100644
--- a/usr/src/test/os-tests/tests/file-locking/Makefile
+++ b/usr/src/test/os-tests/tests/file-locking/Makefile
@@ -10,7 +10,7 @@
 #
 
 #
-# Copyright 2016 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 #
 
 include $(SRC)/cmd/Makefile.cmd
@@ -28,13 +28,6 @@ SRCS = $(PROGS:%=%.c) $(UTILS:%.o=%.c)
 PROGS32 = $(PROGS:%=%.32)
 PROGS64 = $(PROGS:%=%.64)
 
-runtests.32 :=	LDLIBS += -lgen
-runtests.64 :=	LDLIBS64 += -lgen
-
-LINTS = $(PROGS:%=%.ln)
-LINTFLAGS += -erroff=E_NAME_DEF_NOT_USED2
-LINTFLAGS += -erroff=E_NAME_USED_NOT_DEF2
-
 ROOTOPTDIR = $(ROOT)/opt/os-tests/tests/file-locking
 ROOTOPTPROGS = $(PROGS32:%=$(ROOTOPTDIR)/%) \
 	$(PROGS64:%=$(ROOTOPTDIR)/%)
@@ -43,7 +36,6 @@ all     :=      TARGET = all
 install :=      TARGET = install
 clean   :=      TARGET = clean
 clobber :=      TARGET = clobber
-lint    :=      TARGET = lint
 
 .KEEP_STATE:
 
@@ -51,8 +43,6 @@ install: $(ROOTOPTPROGS)
 
 all: $(PROGS32) $(PROGS64)
 
-lint: $(LINTS)
-
 clean:
 	-rm $(PROGS32) $(PROGS64)
 
@@ -67,9 +57,6 @@ $(ROOTOPTDIR)/%: %
 $(ROOTOPTDIR)/%: %.ksh
 	$(INS.rename)
 
-%.ln: %.c
-	$(LINT.c) $< $(UTILS) $(LDLIBS)
-
 %.64.o: %.c
 	$(COMPILE64.c) $< -o $@
 
diff --git a/usr/src/tools/cw/Makefile b/usr/src/tools/cw/Makefile
index cc2e65eab0..af5dab8c6e 100644
--- a/usr/src/tools/cw/Makefile
+++ b/usr/src/tools/cw/Makefile
@@ -22,7 +22,7 @@
 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
-# Copyright 2018 Joyent, Inc.
+# Copyright 2020 Joyent, Inc.
 
 PROG	= cw
 
@@ -47,8 +47,7 @@ $(__SUNC)CFLAGS=	-xspace -Xa -xildoff -errtags=yes -errwarn=%all \
 $(__GNUC)LDLIBS +=	-Wl,-zassert-deflib=libc.so -lc
 $(__GNUC)LDFLAGS=	$(MAPFILE.NES:%=-Wl,-M%)
 $(__GNUC)ZASSERTDEFLIB = -Wl,-zassert-deflib
-# XXX disable to fix the build
-# $(__GNUC)ZFATALWARNINGS = -Wl,-zfatal-warnings
+$(__GNUC)ZFATALWARNINGS = -Wl,-zfatal-warnings
 $(__GNUC)ZGUIDANCE = -Wl,-zguidance
 LDFLAGS += -Wl,$(ZDIRECT)
 
diff --git a/usr/src/tools/smatch/Makefile b/usr/src/tools/smatch/Makefile
index f40f18c2b6..bc92591526 100644
--- a/usr/src/tools/smatch/Makefile
+++ b/usr/src/tools/smatch/Makefile
@@ -45,9 +45,7 @@ CFLAGS += -DSMATCHDATADIR='"$(SMATCHDATADIR)"'
 CFLAGS += -DGCC_BASE='"/no/such/dir"'
 CFLAGS += -DMULTIARCH_TRIPLET=NULL
 
-# XXX remove ZFATALWARNINGS to fix the build
-# LDCHECKS = -Wl,$(ZASSERTDEFLIB) -Wl,$(ZGUIDANCE) -Wl,$(ZFATALWARNINGS)
-LDCHECKS = -Wl,$(ZASSERTDEFLIB) -Wl,$(ZGUIDANCE)
+LDCHECKS = -Wl,$(ZASSERTDEFLIB) -Wl,$(ZGUIDANCE) -Wl,$(ZFATALWARNINGS)
 LDLIBS += -Wl,$(ZLAZYLOAD) -Wl,$(ZDIRECT) -lsqlite3 -lcrypto -lgcc -lm -lc
 LDFLAGS = $(MAPFILE.NES:%=-Wl,-M%)