bugmake - Bugs: bug #61122, Add a .SECONDARY example.

 
 

bug #61122: Add a .SECONDARY example.

Submitter:  Dmitry Goncharov <dgoncharov>
Submitted:  Mon 06 Sep 2021 02:35:26 PM UTC
   
 
Severity:  3 - Normal Item Group:  Documentation
Status:  Fixed Privacy:  Public
Assigned to:  psmith Open/Closed:  Closed
Component Version:  4.4 Operating System:  None
Fixed Release:  4.4 Triage Status:  Small Effort
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Sat 02 Oct 2021 07:29:04 PM UTC, comment #4: 

Thanks Dmitry; I applied this after minor tweaks.

 Paul D. Smith <psmith>
Group administrator
Mon 06 Sep 2021 02:55:46 PM UTC, comment #3: 

A bit more context about this patch. Recently a person showed me a makefile with an incorrect use of .SECONDARY. When i asked about this, the person explained, that there is no example of when .SECONDARY is useful.

 Dmitry Goncharov <dgoncharov>
Mon 06 Sep 2021 02:47:55 PM UTC, comment #2: 

Well, i thought it was obvious that this applies when hello.tsk exists and is up to date in regards to hello.c and bye.c. But apparently, this is not obvious. i applied another patch which explicitly states when this applies.

(file #51875)

 Dmitry Goncharov <dgoncharov>
Mon 06 Sep 2021 02:40:56 PM UTC, comment #1: 

How can make avoid the rebuild?  You can't link these two object files into a binary if one or both of them don't exist!

 Paul D. Smith <psmith>
Group administrator
Mon 06 Sep 2021 02:35:26 PM UTC, original submission:  

Add an example to the manual of how .SECONDARY can be used to avoid unnecessary rebuilds.

 Dmitry Goncharov <dgoncharov>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
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Attached Files
file #51875:  sv_61122_doc_secondary_example2.diff added by dgoncharov (919B - text/x-patch)
file #51874:  sv_61122_doc_secondary_example.diff added by dgoncharov (1KiB - text/x-patch)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -email is unavailable- added by psmith (Posted a comment)
  • -email is unavailable- added by dgoncharov (Submitted the item)

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    Follow 7 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2021-10-02 psmith StatusNone Fixed
        Assigned toNone psmith
        Open/ClosedOpen Closed
        Fixed ReleaseNone 4.4
        Triage StatusNone Small Effort
    2021-09-06 dgoncharov Attached File- Added sv_61122_doc_secondary_example2.diff, #51875
    2021-09-06 dgoncharov Attached File- Added sv_61122_doc_secondary_example.diff, #51874

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