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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.unix.programmer
Subject: Re: Long filenames in DOS/Windows and Unix/Linux
Date: Wed, 4 Sep 2024 00:41:55 -0000 (UTC)
Organization: A noiseless patient Spider
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On Tue, 03 Sep 2024 17:19:17 -0700, Keith Thompson wrote:

> Lawrence D'Oliveiro <ldo@nz.invalid> writes:
>
>> I have some Makefiles with spaces in the dependency names, of the form:
>>
>>     target\ name\ with\ space : source\ name\ with\ space
> 
> I'd be interested in knowing how you do that.
> 
> $ cat Makefile foo\ bar: foo\ bar.c
> $ make cc     foo bar.c   -o foo bar
> cc: fatal error: input file ‘foo’ is the same as output file
> compilation terminated.

The Makefiles in question are not using the default build rules for C 
code: they are building other things, with explicit use of the "$<" and 
"$@" variable substitutions.