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Re: Using .PHONY to suppress rebuilds of included makefile fragments
From: |
J.T. Conklin |
Subject: |
Re: Using .PHONY to suppress rebuilds of included makefile fragments |
Date: |
Tue, 25 May 2010 14:29:48 -0700 |
User-agent: |
Gnus/5.1006 (Gnus v5.10.6) XEmacs/21.4 (Jumbo Shrimp, berkeley-unix) |
address@hidden (J.T. Conklin) writes:
> I've never seen .PHONY used in this way, but from the gmake -d output
> I see it indeed does what he claims. Are there any reason why not to
> use .PHONY this way? Is there a better idiom to use to avoid rebuilds
> of Makefile fragments.
To answer my own question, I found that using .PHONY like this will
cause include to act like -include if the Makefile fragment doesn't
exist. I also found the suggestion to use an Empty Command in the
Remaking Makefiles section of the documentation that I overlooked
earlier this morning.
--jtc
--
J.T. Conklin