Hi,
"Lars J. Aas" <[EMAIL PROTECTED]> writes:
> On Wed, Mar 21, 2001 at 02:20:02PM +0000, John Poltorak wrote:
> : On further investigation, it seems to be coming from here:-
> :
> : $(srcdir)/version.texi: stamp-vti
> : @:
> :
> : My Make struggles to understand '@:'.
> :
> : What is it supposed to mean?
>
> @ tags the make rule so that make doesn't display it before executing it,
> and : is the command. It's basically a "nop" in this context. I don't
> get why it's there - shouldn't be necessary from what I know about portable
> makefiles.
I think it forces 'make' to recheck the timestamp of the rule target.
Otherwise, 'make' can use the reasonable optimization that if no rules
were executed, the timestamp didn't change -- and avoid executing any
rules that require $(srcdir)/version.texi.
- Hari
--
Raja R Harinath ------------------------------ [EMAIL PROTECTED]
"When all else fails, read the instructions." -- Cahn's Axiom
"Our policy is, when in doubt, do the right thing." -- Roy L Ash
