Trying to use vpath w/implicit pattern rule. Why does
case B fail?
# test makefile:
/tmp/test0 $ cat makefile # simple test pattern rule
%.foo: %.bar
tac < $< > $@
vpath %.bar /tmp/test0/src
# dependency/source file:
/tmp/test0 $ ls /tmp/test0/src
x.bar
# case A: success w/vpath:
/tmp/test0 $ cd tgt/
/tmp/test0/tgt $ make -f ../makefile x.foo
tac < /tmp/test0/src/x.bar > x.foo
# case B: why does this fail?:
/tmp/test0/tgt $ rm x.foo; cd ..
/tmp/test0 $ make tgt/x.foo
make: *** No rule to make target `tgt/x.foo'. Stop.
--
thanks much
T
--
PS
w/a minor chg to makefile,
make tgt/x.foo
works and the simplier target fails:
/tmp/test0 $ cat makefile
tgt/%.foo: %.bar
tac < $< > $@
vpath %.bar /tmp/test0/src
/tmp/test0 $ cd tgt/
/tmp/test0/tgt $ ls
/tmp/test0/tgt $ make -f ../makefile x.foo
make: *** No rule to make target `x.foo'. Stop.
/tmp/test0/tgt $ cd ..
/tmp/test0 $ make tgt/x.foo
tac < /tmp/test0/src/x.bar > tgt/x.foo
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