On Thursday, August 27, 2015 at 11:01:19 AM, Andreas Bießmann wrote:
> Hi Marek,


> On 08/27/2015 10:28 AM, Marek Vasut wrote:
> > On Thursday, August 27, 2015 at 10:13:49 AM, Andreas Bießmann wrote:
> >> The SOURCE_DATE_EPOCH mechanism for reproducible builds requires the GNU
> >> variant of date.
> > 
> > Why does it require the GNU date ?
> Cause of the -d switch. It is used in GNU date variants to set the time
> to print the string from. On the other hand *BSD variants use it to set
> the DST flag.

This sort of stuff should be in the commit message :)

> >> Respect this and search it, error on missing GNU date.
> > 
> > Wouldn't it make more sense to fix the code to NOT depend on GNU
> > extensions ?
> That would be great, but so we need to check for the tool and use the
> right switches depending on that.
> I think forcing the user to provide the right tool here is Ok.

I think we don't have a better option here anyway, right ? Maybe try
checking uname ? But you can have linux with bsd userspace ... and
probably BSD with GNU userspace, meh.

Best regards,
Marek Vasut

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