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Re: [toplevel bootstrap PATCH] Add profiledbootstrap
Daniel Jacobowitz <email@example.com> writes:
> > The top level isn't allowed to use GNU make, IIRC -- aren't double-colon
> > rules a GNU makeism? :-P Or are they portable?
> > (And isn't this a nightmare? Thanks for your work.)
> Even if they are a GNU makeism, the question is whether they'll cause
> parse errors in other Make implementations - the bootstrap rules belong
> to GCC.
> The GNU make manual does not list them as an extension, so I assume
> they are at least a little portable...
Double colon rules in Makefiles are portable. To be portable, a
particular target must have either only single colon rules or only
double colon rules.
(Not that I know what this is about.)