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Re: how to check for file existence in a makefile?
From: |
Paul Smith |
Subject: |
Re: how to check for file existence in a makefile? |
Date: |
Thu, 14 Feb 2008 08:07:41 -0500 |
On Thu, 2008-02-14 at 02:35 -0500, Robert P. J. Day wrote:
> what is the standard way to check for file existence in a makefile
> and bail if it doesn't exist? personally, i use:
>
> $(if $(wildcard <file>),,$(error "<file> is missing, bye bye."))
>
> is there a better or more popular way?
That's the way I would do it. Or, if you like, you could use the new
$(or ...) operator (I'm an old Lisp person :-))
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Paul D. Smith <address@hidden> Find some GNU make tips at:
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