Here's the complete "fixed" mopd-make patch, that makes your patched mopd
compile on NetBSD (also with bmake, not only with gmake). In addition to this,
the pf.c patch is needed (sent in my previous mail).

diff -u --recursive --new-file mopd-2.5.3.macro/Makefile mopd-2.5.3/Makefile
--- mopd-2.5.3.macro/Makefile	Fri Mar  1 23:28:05 2002
+++ mopd-2.5.3/Makefile	Fri Mar  1 23:31:11 2002
@@ -4,6 +4,7 @@

-CFLAGS = -O2 -g
-LDFLAGS =
+CFLAGS = -O2 -g -I/usr/local/include
+LDFLAGS = -L/usr/local/lib
+LIBELF = -lelf

 SUBDIRS = common mopd mopchk mopprobe moptrace

@@ -11,6 +12,7 @@
 	@for dir in $(SUBDIRS); do \
 		(cd $$dir && \
 		 $(MAKE) "AR=$(AR)" "CC=$(CC)" "RANLIB=$(RANLIB)" \
-			 "CFLAGS=$(CFLAGS)" "LDFLAGS=$(LDFLAGS)" $@) || \
+			 "CFLAGS=$(CFLAGS)" "LDFLAGS=$(LDFLAGS)" \
+			 "LIBELF=$(LIBELF)" $@) || \
 		 exit 1; \
 	done
diff -u --recursive --new-file mopd-2.5.3.macro/mopa.out/Makefile mopd-2.5.3/mopa.out/Makefile
--- mopd-2.5.3.macro/mopa.out/Makefile	Fri Mar  1 23:28:06 2002
+++ mopd-2.5.3/mopa.out/Makefile	Fri Mar  1 23:32:03 2002
@@ -7,7 +7,7 @@
 all: $(PROGS)

 mopa.out: $(OBJS) $(LIBS)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -o mopa.out $(OBJS) $(LIBS)

 ../common/libcommon.a:
 	cd ../common && $(MAKE) libcommon.a
diff -u --recursive --new-file mopd-2.5.3.macro/mopchk/Makefile mopd-2.5.3/mopchk/Makefile
--- mopd-2.5.3.macro/mopchk/Makefile	Fri Mar  1 23:28:45 2002
+++ mopd-2.5.3/mopchk/Makefile	Fri Mar  1 23:33:43 2002
@@ -3,12 +3,12 @@
 LIBS = ../common/libcommon.a

 CPPFLAGS = -I..
-LDADD = -lelf
+LIBELF = -lelf

 all: $(PROGS)

 mopchk: $(OBJS) $(LIBS)
-	$(CC) $(CFLAGS) $(LDFLAGS) $(LDADD) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -o mopchk $(OBJS) $(LIBS) $(LIBELF)

 ../common/libcommon.a:
 	cd ../common && $(MAKE) libcommon.a
diff -u --recursive --new-file mopd-2.5.3.macro/mopd/Makefile mopd-2.5.3/mopd/Makefile
--- mopd-2.5.3.macro/mopd/Makefile	Fri Mar  1 23:28:45 2002
+++ mopd-2.5.3/mopd/Makefile	Fri Mar  1 23:33:55 2002
@@ -8,7 +8,7 @@
 all: $(PROGS)

 mopd: $(OBJS) $(LIBS)
-	$(CC) $(CFLAGS) $(LDFLAGS) $(LDADD) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -o mopd $(OBJS) $(LIBS) $(LDADD)

 ../common/libcommon.a:
 	cd ../common && $(MAKE) libcommon.a
diff -u --recursive --new-file mopd-2.5.3.macro/mopprobe/Makefile mopd-2.5.3/mopprobe/Makefile
--- mopd-2.5.3.macro/mopprobe/Makefile	Fri Mar  1 23:28:07 2002
+++ mopd-2.5.3/mopprobe/Makefile	Fri Mar  1 23:34:07 2002
@@ -7,7 +7,7 @@
 all: $(PROGS)

 mopprobe: $(OBJS) $(LIBS)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -o mopprobe $(OBJS) $(LIBS)

 ../common/libcommon.a:
 	cd ../common && $(MAKE) libcommon.a
diff -u --recursive --new-file mopd-2.5.3.macro/moptrace/Makefile mopd-2.5.3/moptrace/Makefile
--- mopd-2.5.3.macro/moptrace/Makefile	Fri Mar  1 23:28:07 2002
+++ mopd-2.5.3/moptrace/Makefile	Fri Mar  1 23:34:20 2002
@@ -7,7 +7,7 @@
 all: $(PROGS)

 moptrace: $(OBJS) $(LIBS)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -o moptrace $(OBJS) $(LIBS)

 ../common/libcommon.a:
 	cd ../common && $(MAKE) libcommon.a