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Re: [PATCH] DocBook: Avoid stdout junk with no man pages to compress

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On Sun, Jul 12, 2015 at 2:59 PM, Ulf Magnusson <ulfalizer.lkml@gmail.com> wrote:
> gzip would run as 'gzip -f' when no uncompressed man pages were found,
> making it compress the (empty) stdin to stdout.

> --- a/Documentation/DocBook/Makefile
> +++ b/Documentation/DocBook/Makefile
> @@ -56,7 +56,7 @@ htmldocs: $(HTML)
>
>  MAN := $(patsubst %.xml, %.9, $(BOOKS))
>  mandocs: $(MAN)
> -       find $(obj)/man -name '*.9' | xargs gzip -f
> +       find $(obj)/man -name '*.9' -exec gzip -f {} \;
>
>  installmandocs: mandocs
>         mkdir -p /usr/local/man/man9/

That does get rid of the binary burp, but 'xargs gzip -f'  has been in
the Makefile since January, and gzipping '\n' just started recently.
So what's changed?

It looks like, for whatever reason, make installmandocs always ends up
rerunning mandocs -- there's now a 'GEN  Documentation
Docbook//v4l2.xml' printed, and that extra mandocs invocation is where
the problematic second invocation of find is coming from.  I won't
pretend to understand the Makefile flow to guess at why that's
happening, but obviously 'make mandocs; make installmandocs' shouldn't
need to regenerate things already generated.

In any event,

Tested-by: Jim Davis <jim.epost@gmail.com>

Jim
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[PATCH] DocBook: Avoid stdout junk with no man pages to compress Ulf Magnusson <ulfalizer.lkml@gmail.com> - 2015-07-13 00:00 +0200
  Re: [PATCH] DocBook: Avoid stdout junk with no man pages to compress Jim Davis <jim.epost@gmail.com> - 2015-07-13 01:40 +0200
    Re: [PATCH] DocBook: Avoid stdout junk with no man pages to compress Ulf Magnusson <ulfalizer.lkml@gmail.com> - 2015-07-13 02:50 +0200
      Re: [PATCH] DocBook: Avoid stdout junk with no man pages to compress Ulf Magnusson <ulfalizer.lkml@gmail.com> - 2015-07-14 06:30 +0200
        Re: [PATCH] DocBook: Avoid stdout junk with no man pages to compress Ulf Magnusson <ulfalizer.lkml@gmail.com> - 2015-07-14 06:40 +0200

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