[PATCH] Fix building release tar ball without makeinfo

[Bernd Edlinger]

Again, with patch.


>
> Hi,
>
> I noticed that it is not possible to build the binutils-2.25 release tar ball without makeinfo.
>
> This configuration fails ../binutils-2.25/configure;
> While ./configure may work but is not the recommended way.
>
> The problem seems to start with this commit:
>
> commit 19e1c431f72007f8a7a6a8e8b2511c74f3e8a000
> Author: Alan Modra <amodra@gmail.com>
> Date:   Wed Apr 9 13:23:41 2014 +0930
>
>     Add a time-stamp for chew
>
>     One last time-stamp.  Now none of the doc rules using move-if-change
>     will run unnecessarily.
>
> I've attached a patch for this.  The problem is that the *.stamp rules run at least once, and create
> new *.texi in the build folder, and these new *.texi are newer than the bfd.info.  It does not help
> that there are identical versions in the source tree.  The patch tries to keep the time stamp from the
> source tree, if the *.texi do not change.
>
> To install the patch on the tar ball, you must use patch -p1 -T because the time stamp of the pre-computed
> texi files must not be older than the bfd/doc/Makefile.in,
> I tried to make sure that the patch does also work with in-tree builds, and in maintainer-mode (without *.texi).
>
> OK for trunk?
>
>
> Thanks
> Bernd.
>
 		 	   		  
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