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Re: Make dependency on a directory without regards to timestamp
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From: |
Henrik Carlqvist |
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Subject: |
Re: Make dependency on a directory without regards to timestamp |
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Date: |
Wed, 29 Aug 2007 08:05:24 +0200 |
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User-agent: |
Pan/0.14.2 (This is not a psychotic episode. It's a cleansing moment of clarity.) |
Doug <dcw.web@gmail.com> wrote:
> Is there a way with GNU make to specify a dependency on the existence
> of a directory while ignoring the timestamp of the directory?
>
> Specifically, say I have the following makefile:
>
> default: myfile
> myfile: mydir
> touch mydir/myfile
> mydir:
> mkdir -p mydir
The following will avoid your problem:
myfile: $(filter-out $(wildcard mydir), mydir)
touch mydir/myfile
Above, you will onldy depend on mydir if the directory does not exist.
regards Henrik
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