On 05/12/2012 07:42 PM, Stefano Lattarini wrote: > On 05/12/2012 05:21 PM, Stefano Lattarini wrote: >> On 05/12/2012 04:41 PM, Eldar Abusalimov wrote: >>> Stefano, >>> >>> This is a bug, and it has been described and fixed here: >>> https://savannah.gnu.org/patch/?7534 >>> >> Thank you very much for the reference. Too bad this bug will prevent >> me from using the lazy-evaluation trick with any GNU make < 3.83 :-( >> > BTW: to make it more easy to discover at make runtime whether the bug has > been fixed in the make version in use, could a proper new entry be added > to .FEATURES? Maybe 'can-have-lazy-variables'? (I know, I suck at choosing > names). > Update: this won't actually be required anymore by Automake-NG, since I've somehow managed (mostly by chance and random tweaking) to find an idiom that works also with the older GNU make versions:
<http://lists.gnu.org/archive/html/automake-ng/2012-05/msg00067.html> > Better again: would you consider the possibility of adding a new kind > of variables (let's call them "lazy"), so that a definition like: > > LAZYVAR = val > > behaves exactly as: > > LAZYVAR = $(override LAZYVAR := val)$(LAZY) > But I still think having this feature built into GNU make would be valuable (even though Automake-NG won't use it right away). Regards, Stefano _______________________________________________ Bug-make mailing list Bug-make@gnu.org https://lists.gnu.org/mailman/listinfo/bug-make
