On Thu, Oct 21, 2021 at 05:12:26PM +0200, Wolfgang Denk wrote:
> Dear Marek,
>
> In message <20211021152831.15524883@thinkpad> you wrote:
> >
> >
> > > I think =+ will confuse far more people than + as last character of var
>
> I still fail to see why '=+' could be confusing if properly
> documented to be the append operator.
>
> I mean, it is not a new invention of mine.
>
> OpenEmbedded / Yocto uses '=+' a lot, like in
>
> meta/recipes-kernel/dtc/dtc.inc:
>
> PACKAGES =+ "${PN}-misc"
>
> Actually they use both '+=' and '=+', like
>
> RESULT+=${ERRORS}The OE example is exactly why I want to avoid =+. You cannot interchangeably use += and =+ as they evaluate differently. See https://www.yoctoproject.org/docs/3.1/bitbake-user-manual/bitbake-user-manual.html#appending-and-prepending and that =+ there is the opposite of what we want. So, more confusion. -- Tom
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