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Re: [Libguestfs] [PATCH] build: ensure .pot and .pod files for docs are up-to-date



On Friday 02 October 2015 14:13:44 Richard W.M. Jones wrote:
> 
> On Fri, Oct 02, 2015 at 01:31:30PM +0200, Pino Toscano wrote:
> > On Friday 02 October 2015 12:19:16 Richard W.M. Jones wrote:
> > > On Fri, Oct 02, 2015 at 11:48:46AM +0200, Pino Toscano wrote:
> > > > Traverse the po-docs directory before the subdirectories with translated
> > > > documentations, so we can make sure that libguestfs-docs.pot and the
> > > > translated .pod files have been generated.  As a consequence of that,
> > > > when generating the translated manpages for documentations, all the
> > > > needed .pod files should be already there.
> > > > ---
> > > >  po-docs/Makefile.am | 6 +++++-
> > > >  1 file changed, 5 insertions(+), 1 deletion(-)
> > > > 
> > > > diff --git a/po-docs/Makefile.am b/po-docs/Makefile.am
> > > > index a274898..bf10558 100644
> > > > --- a/po-docs/Makefile.am
> > > > +++ b/po-docs/Makefile.am
> > > > @@ -41,7 +41,9 @@ CLEANFILES = po4a.conf
> > > >  # language directory contains a Makefile.am that we need to keep up to
> > > >  # date (note each $lang/Makefile.am should be identical).
> > > >  # XXX Is there a better way?
> > > > -SUBDIRS = $(linguas)
> > > > +# The current directory is traversed first, to make sure that .pot and .pod
> > > > +# files are up-to-date and generated before applying translations in subdirs.
> > > > +SUBDIRS = . $(linguas)
> > > >  
> > > >  update-po: libguestfs-docs.pot
> > > >  
> > > > @@ -88,3 +90,5 @@ podfiles: Makefile
> > > >  	for f in `cat $(top_srcdir)/po/POTFILES-pl`; do echo $(top_srcdir)/$$f; done >> $ -t
> > > >  	LC_ALL=C sort -o $ -t $ -t
> > > >  	mv $ -t $@
> > > > +
> > > > +all-local: update-po
> > > 
> > > This means the PO files are going to get rebuilt on every ordinary
> > > build.
> 
> I meant the pot file, followed after that (because they depend on it)
> by the .po files.

Isn't po4a doing all the job here?

Also, according to the current rules in po-docs/Makefile.am, the .pot
is not regenerated at each make invocation.

> > Where do you see .po files of documentation being rebuilt? (Note that
> > usually "building a .po file" implies its .po -> .mo conversion.)
> > If you refer to their conversion to .pod, well, the status quo is that
> > you get a nice
> > 
> >   ***
> >   *** You need to run the following commands:
> >   ***     rm po-docs/podfiles; make -C po-docs update-po
> >   *** After that, rerun make.
> >   ***
> > 
> > when make steps into the po-docs subdirs (currently ja and uk),
> > precisely because the .pod files in those directories are missing.
> 
> This message is there for a good reason.  When doing parallel builds
> it's impossible to safely run po4a -- see the comment which appears
> just above where the message gets printed.

Yes, I can read comments. OTOH, I'm tackling the issue from a different
angle, forcing to inspect the po-docs directory itself before its own
"SUBDIRS".

> What's the actual problem you're trying to fix with this commit?

The one I pointed out above, which happens in every single clean build
from git.

-- 
Pino Toscano

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