[tex-live] Stripping LuaTeX with "strip -u -r" to allow loading modules

George N. White III gnwiii at gmail.com
Fri Apr 21 14:58:58 CEST 2017


On 21 April 2017 at 09:08, Mojca Miklavec <mojca.miklavec.lists at gmail.com>
wrote:

> was: [tex-live] TL2017/LuaTeX "bug" (but also probably in all other
> distributions as well)
>
>
> On 21 April 2017 at 13:35, Patrick Gundlach wrote:
> > Hello Karl,
> >
> >>> and the downside of occupying extra space for the benefit of a
> >>> tiny percentage of users.
> >>
> >> a) I am not sure if this actually increases size of the binary
> (significantly) First this seems to be a problem on OS X only and I have
> read some reports that this does not increase the size, depending on the
> command line arguments given to strip. But I have to investigate further.
> This comes up on the LuaTeX mailing list once in a while and on the web (
> tex.stackexchange.com).
> >
> > the size increase is about 1MB on OS X (just tested here with "strip -u
> -r" which makes the luatex binary work here). I hope this is not the worth
> the discussion.
>
> I seem to remember that fully stripping some binaries (was it
> wget/xz/asy?) reduces their size for about a factor of ten. Shipping
> such unstripped binaries is definitely a no-go. But if we are talking
> about 1 MB, I fully support the idea of doing this is an a way that
> would let users be more creative when using (Lua)TeX, it's hopefully
> just a matter of figuring out how to patch the build scripts to do the
> right thing.
>
> It would be interesting to compare the result of the size of the full
> set of TL binaries on various platforms:
> - without strip
> - with "strip -u -r"
> - with "strip"
>


On MacOS El Capitan, man strip says:

              "When  strip  is  used  with no options on an executable
file, it checks

       that file to see if it uses the dynamic link editor.  If it  does,
the
       effect of the strip command is the same as using the -u and -r
options."



> and then decide how exactly to patch. If partial stripping is only
> relevant for LuaTeX and increases the size of other binaries for some
> significant amount, we could change the patch accordingly. If size
> difference is irrelevant and "strip -u -r" works on all platforms, we
> could use that everywhere.
>
> It would also be interesting to create some really minimal test that
> we use on multiple platforms for checking whether this dynamic loading
> of libraries works as expected.
>
> Just my two cents.
>
> (I have no problem taking care of that "manually" for the platforms
> I'm building for, but you probably need that for the latest version of
> macOS and it would be much nicer to fix this for everyone, not just
> for a single platform.)
>
> Mojca
>
>


-- 
George N. White III <aa056 at chebucto.ns.ca>
Head of St. Margarets Bay, Nova Scotia
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