Date: Fri, 7 Feb 2014 22:52:05 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Alfred Perlstein <bright@mu.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Is it possible to get make variable without recursive expansion? Message-ID: <201495029.20140207225205@serebryakov.spb.ru> In-Reply-To: <52F5251A.8020401@mu.org> References: <12310461351.20140207203417@serebryakov.spb.ru> <52F5251A.8020401@mu.org>
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Hello, Alfred.
You wrote 7 февраля 2014 г., 22:25:30:
AP> On 2/7/14 8:34 AM, Lev Serebryakov wrote:
>> Hello, Freebsd-hackers.
>>
>>
>> Suppose, I have in my Makefile such construction:
>>
>> A=xxx
>> B=yyy
>> ANB=${A} and ${B}
>>
>> Is it possible to get value of ANB without recursive expansion, i.e. string
>> "${A} and ${B} and" in this case? I know, that all expansions are done at
>> last moment (If I don't use ":=" operator), but is it possible to block
>> second- and more-level expansion?
>>
>> I need to output "ANB=${ANB}" construction to external file without further
>> expansion...
>>
AP> a:
AP> echo "AMB=\$${AMB}"
It will echo "AMB=${AMB}" as-is, as far as I understand, it is simple. And I need to get
"ANB=${A} and ${B}" output.
--
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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