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Re: make-3.79.1 bug breaks linux-2.5.24/drivers/net/hamradio/soundmodem

From: Henning Makholm
Subject: Re: make-3.79.1 bug breaks linux-2.5.24/drivers/net/hamradio/soundmodem
Date: 22 Jun 2002 15:51:24 +0200

Scripsit "Adam J. Richter" <address@hidden>

[Warning: I am not the make maintainer; I just lurk on bug-make]

> $(obj)/sm_tbl_%: $(obj)/gentbl
>         $<

>       obj was set to "." /usr/src/linux/Rules.make, which was included
> earlier in the Makefile.

>       Until the make bug is fixed, I have worked around the problem
> by replacing the rule with:

> $(obj)/sm_tbl_%: $(obj)/gentbl
>         PATH=$(obj):$$PATH $<

That looks like an excessively complicated workaround. Why not just

$(obj)/sm_tbl_%: $(obj)/gentbl


I'm not sure this is really a bug either. It is a Good Thing that make
tries to normalize the names of targets and dependencies internally,
lest the build may be incomplete or redundant if make does not realize
that foo.bar and ./foo.bar is the same file. It is quite reasonable
for $< to unfold to the *canonical* name of the file in question, I

If one absolutely wants the command to use the exact form of the
dependency that's used in the dependency list, it's easy to simply
reproduce that form, replacing the % by $*

Henning Makholm                                "You are in a little twisting
                                            maze of passages, all different"

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