[OE-core] is standard for COMPATIBLE_MACHINE to use "()" or not?

[Robert P. J. Day]

On Fri, 6 Mar 2015, Mike Looijmans wrote:

> On 05-03-15 09:43, Robert P. J. Day wrote:
> >
> >    a style guide thing ... it appears that COMPATIBLE_MACHINE happily
> > acccepts a matching RE within parentheses or not, is there a
> > preference?
> >
> >    also, in checking that, i ran across this in oe-core:
> >
> > linux-yocto_3.14.bb:COMPATIBLE_MACHINE =
> > "qemuarm|qemuarm64|qemux86|qemuppc|qemumips|qemumips64|qemux86-64"
> > linux-yocto_3.19.bb:COMPATIBLE_MACHINE =
> > "qemuarm|qemuarm64|qemux86|qemuppc|qemumips|qemumips64|qemux86-64"
> > linux-yocto-dev.bb:COMPATIBLE_MACHINE =
> > "(qemuarm|qemux86|qemuppc|qemumips|qemumips64|qemux86-64)"
>
> The regex should have been "qemu(arm|x86|ppc|mips|mips64|x86-64)"
>
> And since "x86-64" already matches "x86", that could have been omitted.
>
> > where the first two recipes list "qemuarm64" but the dev version
> > doesn't ... is that deliberate?
>
> Probably not, but "qemuarm64" matches "qemuarm" already.

  by that same standard, i guess "qemumips64" is already matched by
"qemumips" and could also be omitted.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

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