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Re: [bug #51311] Checking search retries for implicit make rules

From: SF Markus Elfring
Subject: Re: [bug #51311] Checking search retries for implicit make rules
Date: Mon, 26 Jun 2017 10:44:35 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0

> To quote the make info pages, section 10.5.1 "Introduction to Pattern Rules":
> -----
> A pattern rule contains the character `%' (exactly one of them)

I interpreted this description in the way that one placeholder would be 
for each element in the list of prerequisites.

> …; the `%' matches any nonempty substring, while other characters match only 
> themselves.  
> -----

How do you think about to mention the requirement “non-empty string” at another 

> There's no restriction in the documention on the number of prequisites on 
> the rule and they may contain any mix of pattern and non-pattern names.

I find that this wording can be only partly appropriate.

* Is there a current software restriction that only a single pattern
  is supported within the prerequisites list for a specific make rule?

* Will any more developers become interested in related software extensions?


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