Re: grep: RE error in ^*** ADVICE-ON-FAILURE-: repetition-operator operand invalid

[Gregory Heytings]

> This is what happens when building Emacs on Suns:
>
> grep: RE error in ^*** ADVICE-ON-FAILURE-: repetition-operator operand 
> invalid

That seems like a problem with Sun grep, isn't it?  What does it expect? 
Can you try

echo '*** foo' | grep -v '^\*\*\* foo'

and tell us if it works (i.e. if it does not show any output)?