patchmake - Patches: patch #6040, N targets from a single...


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patch #6040: N targets from a single *invocation* of a rule's command (triple-colon rules)

Submitted by:  Stephen Warren <srwarren>
Submitted on:  Fri 22 Jun 2007 08:06:06 PM UTC  
Category:  None Priority:  5 - Normal
Status:  Done Privacy:  Public
Assigned to:  Paul D. Smith <psmith> Open/Closed:  Closed
Fixed Release:  4.3

Sat 04 Jan 2020 12:31:46 PM UTC, comment #1: 

There is a feature in the upcoming 4.3 release which allows this: it uses the separator "&:".

Paul D. Smith <psmith>
Project AdministratorIn charge of this item.
Fri 22 Jun 2007 08:06:06 PM UTC, original submission:  

I have a situation where a build command generates multiple outputs from a single command. I need make to run the commands one single time if any of those outputs are missing or out-of-date.

The names of these files (and the dependencies) are not regular, so I cannot use pattern rules to setup the "also_make" internal make data.

In fact, the names of the output files are actually dependent on the content of the input file in my case, although that's not relevant to the implementation, nor requirement for, this new feature.

So, I invented a "triple-colon" rule that sets up the "also_make" internal data, but otherwise acts like a regular non-pattern single-colon rule.

Note that the error checking (mixing different types of rules) may not be entirely complete. However, if you use sensible combinations of rules, then this patch works out great.

The patch is against a patched version of mingw32-make-3.80.0-3, so there may be some fuzz applying to clean copies and/or newer versions.

Use the feature like this:

tgt1 tgt2 tgt3 ::: dependencies

Stephen Warren <srwarren>


Attached Files
file #13137:  triple-colon-rule.patch added by srwarren (7KiB - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-01-04 psmith StatusNone => Done
        Assigned toNone => psmith
        Open/ClosedOpen => Closed
        Fixed ReleaseNone => 4.3
    2007-06-22 srwarren Attached File- => Added triple-colon-rule.patch, #13137

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