URL:
<http://savannah.gnu.org/bugs/?30381>
Summary: Don't avoid implicit rule recursion quite so soon.
Project: make
Submitted by: r_p
Submitted on: Wed 07 Jul 2010 03:26:17 PM GMT
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: None
Operating System: None
Fixed Release: None
Triage Status: None
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Details:
This caught me by surprise (sh> is my shell prompt here):
sh> echo foo > foo
sh> echo '%.rev : %; rev $? > $@' > Makefile
sh> make foo.rev.rev
make: *** No rule to make target `foo.rev.rev'. Stop.
sh> make foo.rev foo.rev.rev
rev foo > foo.rev
rev foo.rev > foo.rev.rev
Come on, make(1)! Yes I'm asking you to apply a rule twice, but with a
different target!
This keeps biting me in the make file I'm writing at the moment.
My proposal is to keep a stack of the targets, and only stop recursion if a
target already occurs on the stack.
Or least let me set a limit to how often you're willing to try this.
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