Re: Conditional recipe execution

[SF Markus Elfring]

>> * I need to split an input file into several smaller files.
> 
> I don't see any way that $(eval ...) is needed or helpful for any of
> those things.

Can a make variable be set by this function within a recipe?


>> I imagine that conditional evaluation of recipes will be possible somehow,
>> wont it?
> 
> I don't know what you mean by this question; if you mean that a recipe
> should make a decision and do different things, then typically you would
> use _shell_ conditional statements for this:

How should it be achieved that a recipe will only be executed for its first
run despite of the detail that multiple targets were specified for
a specific rule?


> There are other possibilities, but without a specific use-case we can't
> say which one(s) are appropriate.

Would use cases around the standard command "split" be concrete enough
for further clarification?
https://en.wikipedia.org/wiki/Split_%28Unix%29

Regards,
Markus