Re: VPATH distcheck build fails

[Tim Rühsen]

Hi Bruno,

On 04.05.19 14:44, Bruno Haible wrote:
> Hi Tim,
> 
>> I am possible at the wrong ML now, but see the braking shell code as
>> well in gnulib/build-aux/po/Makefile.in.in.
> 
> CCing bug-gettext, since that is the more appropriate mailing list.
> 
>> The make target '$(DOMAIN).pot-update:' contains this code:
>>           if test -f $(srcdir)/$(DOMAIN).pot; then \
>>             sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot >
>> $(DOMAIN).1po && \
>>             sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
>>             if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
>>               rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
>>             else \
>>               rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
>>               mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
>>             fi; \
>>           else \
>>             mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
>>           fi; \
>>
>> In a vpath build (using the configure script outside the main project
>> directory), the line
>>               rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot
>> is triggered and thus breaks 'make distcheck'.
>>
>> This due to all files in $(srcdir) are read-only.
> 
> That piece of Makefile code is careful to not touch $(srcdir)/$(DOMAIN).pot
> if $(DOMAIN).1po $(DOMAIN).2po are the same. They are generated through
> 
>             sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > 
> $(DOMAIN).1po && \
>             sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
> 
> To investigate the cause of this failure, compare the files
> wget.po and $(srcdir)/wget.po. They ought to differ only in the 
> POT-Creation-Date
> line.

That's indeed a good hint...

$ diff wget.po ../../../po/wget.pot
3c3
< # This file is distributed under the same license as the wget package.
---
> # This file is distributed under the same license as the GNU wget package.
9c9
< "Project-Id-Version: wget 1.20.3.13-ee7fe-dirty\n"
---
> "Project-Id-Version: GNU wget 1.20.3.13-ee7fe-dirty\n"
11c11
< "POT-Creation-Date: 2019-05-04 15:31+0200\n"
---
> "POT-Creation-Date: 2019-05-04 15:29+0200\n"

Since "GNU" is correct here, I wonder why is vanishes...

Regards, Tim

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