I thought targets
A:$D/$(addsuffix .kmz, $L $N)
B:$D/$L.kmz $D/$N.kmz
should do the same.
No. If D=X_X_X_X, L=light, and N=noise, then
A:$D/$(addsuffix .kmz, $L $N)
B:$D/$L.kmz $D/$N.kmz
expands to
A: X_X_X_X/light.kmz noise.kmz
B: X_X_X_X/light.kmz X_X_X_X/noise.kmz
You're already off the rails, so I haven't tried to understand the rest of your email. If you're going to post to many people what you think is a bug, please cut your example down to the smallest, simplest thing that demonstrates the bug.
$ cat makefile
D=X_X_X_X
N=noise
L=light
A:$D/$(addsuffix .kmz, $L $N)
B:$D/$L.kmz $D/$N.kmz
%.kmz:%.kml; minizip -o $@ $?
%.kml:%.kml0; fgrep -v '?xml' $? > $@
%.kml0: n input.txt; mode=$* ./n input.txt > $@
$D/%:%; cp -a $? $@
$ touch n input.txt; for i in A B; do make -n $i > $i; done
$ diff A B
7a8
> cp -a noise.kmz X_X_X_X/noise.kmz
And here we see even the presence of addsuffix on a non-relevant line
influences other lines.
$ cat makefile |sed /A/s/add/xxx/| make -f - -n B|sed $\!d
rm noise.kml noise.kmz noise.kml0 light.kml light.kmz light.kml0
$ cat makefile | make -f - -n B|sed $\!d
rm noise.kml noise.kml0 light.kml light.kmz light.kml0
GNU Make 4.2.1
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