Re: Multiple targets generated by one rule

[John Graham-Cumming]

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hkhalsa wrote:
> Paul Smith wrote:
>> You can write this much more cleanly, like this:
>>
>>        a b c d: .source_flag
>>              @:
>>        
>>        .source_flag: source
>>              blackbox_generate a b c d
>>              @touch .source_flag
> 
> This method appears to suffer from the following limitation:  If a b c or d
> are deleted and the temporary file is left intact, the command to regenerate
> a b c d will no longer run.  Is there a way to cause make to reissue the
> blackbox_generate command?

I wrote an article about this topic for CM Crossroads recently the
covers the problem you are highlighting:

http://www.cmcrossroads.com/content/view/7970/268/

John.

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