On 03/30/2010 05:40 PM, Eric Blake wrote: > Borrowing from a trick I discovered on the libvirt list. > > * top/GNUmakefile (GNUmakefile): Create one-shot dependency rather > than using $(shell) to run _version target. > (_autoreconf): Run verbosely, by default. > > Signed-off-by: Eric Blake <ebl...@redhat.com> > --- > > This was quite tricky to implement. I've tested (with m4) that this > runs autoreconf at most once, and only when the version string is > out-of-date. The _version target has to make sure Makefile is > up-to-date (otherwise, autoreconf is run twice), and at least one > makefile has to change timestamps (or GNU make won't reload the new > value of $(VERSION) and will proceed with invalid version strings). > > But the end result is that you now see more progress during an > autoreconf run that is updataing an intra-release version number. > > I'll wait for a day or two, or a positive review (whichever comes > first) before pushing it.
I've gone ahead and pushed this; I've extended my testing to coreutils as well. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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