Re: strange dependancy generation bug?

From: Sam Ravnborg (
Date: Tue Jun 03 2003 - 14:56:51 EST

On Tue, Jun 03, 2003 at 08:11:54PM +0100, Stig Brautaset wrote:
> > What happens is that within there is used multi line
> > definition, where each new-line causes make to launch a new sub-shell.
> > The command for the second sub-shell is echoed, even though make is told
> > not to do so.
> I beg to differ. Since make launches a new subshell, the commands in the
> second subshell is _not_ told to shut up, and thus is echoed. No?

In make a so-called "canned command sequence" is generated.
Quote from 'info make':

        On the other hand, prefix characters on the command line that refers
        to a canned sequence apply to every line in the sequence. So the rule:


        does not echo _any_ commands.

In kbuild this is exactly what happens.
So according to make info the command for the second sub-shell should not
be echoed.

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