Re: Add support for EXTRA_DIST_LINKS

I apologize, I had forgotten to write rm -rf "$${LNKPART}", for removing
possible existing links. Please find the new patch attached.

--madmurphy


Il giorno lun 31 mag 2021 alle ore 00:34 madmurphy <[email protected]>
ha scritto:

> Hi there,
>
> I have created a patch for Automake to support a new Makefile variable
> named EXTRA_DIST_LINKS. The purpose of the variable is that of creating
> symlinks for the distributed archive.
>
> The syntax is very simple: a space-separated list of tokens of the form
> DEST:SOURCE – it is identical to that of AC_CONFIG_LINKS(dest:source ...)
> in the configure.ac file.
>
> For instance, adding the following lines to Makefile.am
>
> EXTRA_DIST_LINKS = \
> 	my_link.txt:README \
> 	my_subdir/another_link.txt:NEWS
>
> will create two links: my_link.txt (pointing to the README file in the
> same directory) and my_subdir/another_link.txt (pointing to the NEWS file
> one level above).
>
> I had to hack also the tar.m4 file, to avoid dereferencing symlinks
> during the creation of compressed archives. That should not be a problem,
> since symlinks are anyway dereferenced one step before by make distdir,
> so with this patch the only way to distribute a symlink is that of listing
> it explicitly in EXTRA_DIST_LINKS. For the shell code I used this as
> base: https://stackoverflow.com/a/12498485 (but I have made a few
> changes).
>
> Please find the patch attached.
>
> --madmurphy
>