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Subject:	RE: Cygwin make thinks a statement can be neither true nor false....
Date:	Mon, 19 Apr 2004 13:56:53 -0400
Message-ID:	<3D848382FB72E249812901444C6BDB1DE4E085@exchange.timesys.com>
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From:	"Robb, Sam" <sam DOT robb AT timesys DOT com>
To:	<cygwin AT cygwin DOT com>
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Dave,

  "error:" != "error".  You want to use the following
syntax:

  $(error 1 ANYTHING is defined )

  Possibly a bug in make, as I'd expect it to complain
about an undefined function named "error:".  Similar
constructs are also silently ignored:

  $(foo This isn't a valid make function)
  $(bar Neither is this)

-Samrobb

> -----Original Message-----
> From: Dave Korn [mailto:dk AT artimi DOT com]
> Sent: Monday, April 19, 2004 1:53 PM
> To: cygwin AT cygwin DOT com
> Subject: Cygwin make thinks a statement can be neither true nor
> false....
> 
> 
> 
>   Haven't got any time to investigate further tonight, and 
> I'm not sure if
> this is a real bug or some misunderstanding of mine, but it 
> doesn't appear
> to be how the documentation ("info make") suggests things should work.
> Here's a cut-down testcase:
> 
> -------------snip-------------
> dk AT mace /test/mk-test/test2> ls -lart
> total 1
> drwxr-xr-x+   4 dk       Domain U        0 Apr 19 18:47 ..
> -rw-r--r--    1 dk       Domain U      402 Apr 19 18:49 makefile
> drwxr-xr-x+   2 dk       Domain U        0 Apr 19 18:49 .
> dk AT mace /test/mk-test/test2> cat makefile
> 
> ifdef ANYTHING
> $(error: 1 ANYTHING is defined )
> endif
> ifndef ANYTHING
> $(error: 1 ANYTHING is ***NOT*** defined )
> endif
> 
> $(error: PLEASE give me an error.  What do I have to do, for 
> god's sake?
> Beg? )
> 
> $(warning: How about an error, or is even that asking too much of your
> mighty in
> tellect? )
> 
> .PHONY: all force
> all: force
> 
> force:
> 	echo Does make not use aristotelian two-valued logic 
> then? > force
> 
> dk AT mace /test/mk-test/test2>
> dk AT mace /test/mk-test/test2> make
> echo Does make not use aristotelian two-valued logic then? > force
> dk AT mace /test/mk-test/test2>
> -------------snip-------------
> 
>   Now, shouldn't at least one of those error messages be 
> displayed?  Or have
> I failed to understand that they don't get parsed because they're not
> required to make sense of the targets and dependencies?
> 
> 
> 
>     cheers, 
>       DaveK
> -- 
> Can't think of a witty .sigline today....
> 
> 
> --
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