[Dev-luatex] Reproducible builds using luatex

luigi scarso luigi.scarso at gmail.com
Wed May 4 12:17:07 CEST 2016

On Mon, May 2, 2016 at 2:27 PM, Alexis Bienvenüe <pado at passoire.fr> wrote:

> Hello.
> Working on the “reproducible builds” effort [1], we have noted that a
> lot of software packages use pdftex/xetex/luatex to build some documents
> to be included in the binary package. These builds enclose timestamps in
> the documents, preventing reproducible build. The SOURCE_DATE_EPOCH
> specification defines an environment variable that is set during
> software package building and can be used to replace time() calls (or
> equivalent) for build timestamps.
> I would like to promote the SOURCE_DATE_EPOCH support for luatex, which
> would need two patches in the engine code:
Thank you very much for the patches.
The source code now is almost frozen, so it's unlikely (but not impossible)
that we can apply the patches
proposed.  But for sure we will consider them  for the next  release of

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