bugmake - Bugs: bug #65737, missing intermediate target...

 
 

bug #65737: missing intermediate target invalidates group

Submitter:  Stas Sergeev <stsp>
Submitted:  Mon 13 May 2024 07:50:35 PM UTC
   
 
Severity:  3 - Normal Item Group:  Bug
Status:  None Privacy:  Public
Assigned to:  None Open/Closed:  Open
Component Version:  4.4.1 Operating System:  Any
Fixed Release:  None Triage Status:  None
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Mon 13 May 2024 08:12:49 PM UTC, comment #1: 

Also the diagnostic doesn't consider groups.
In the above makefile example, the diagnostic is:
```
Makefile:7: update target 'b' due to: unknown reasons
```

And if `b` depends on eg `Makefile` itself (just for
the sake of an example), then the diagnostic will
misleadingly tell:
```
Makefile:7: update target 'b' due to: Makefile
```

Which is entirely wrong: update happens because of
the group invalidation, but groups seems to be
not considered by diagnostic.

Stas Sergeev <stsp>
Mon 13 May 2024 07:50:35 PM UTC, original submission:  

```
FILES = a b
.INTERMEDIATE: a

all: foo

$(FILES) &:
        touch $(FILES)

foo: b
        cat $< >$@
```

This makefile causes infinite rebuilds.
The problem is that file `a` is deleted
as being intermediate, but that mistakenly
invalidates entire group. As the result,
the targets that depend on `b` are re-built.

Missing intermediate targets should not
invalidate group.

Stas Sergeev <stsp>

 

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