On Thu, Jul 25, 2019 at 09:16:53AM +0100, Colin Watson wrote: > On Tue, Jul 23, 2019 at 06:11:04PM +0300, Adrian Bunk wrote: > > On Tue, Jul 23, 2019 at 01:30:58PM +0100, Ian Jackson wrote: > > > Santiago Vila writes ("Bug#932795: Ethics of FTBFS bug reporting"): > > >... > > > On the point at issue, do these packages build in a cheap single-vcpu > > > vm from some kind of cloud vm service ? ISTM that this is a much > > > better argument than the one you made, if the premise is true. > > >... > > > - An environment with only one cpu available is supported. > > >... > > > > - An environment with at least 16 GB RAM is supported. > > > > Not sure about the exact number, but since many packages have > > workarounds for gcc or ld running into the 4 GB address space > > limit on i386 it is clear that several packages wouldn't build > > in an amd64 vm with only 8 GB RAM. > > I may be missing something, but I'm not totally sure how that follows. > > For what limited amount it's worth, the build VMs used on the Launchpad > build farm to build Ubuntu uniformly have (IIRC) 8GB RAM, 4GB swap, and > 60GB disk, and this largely seems to be fine.
That's 12 GB RAM+swap, and since this works in practice I was too high with guessing 16 GB. >... > > - An environment with at least 75 GB free diskspace is supported. > > > > We do have at least one package in the archive that contains some > > hacks for staying inside the 75 GB diskspace available on the amd64 > > buildds, and couldn't be built in a vm with even less diskspace. > > Out of interest, which package is that? insighttoolkit4 The Ubuntu patch sacrifices debug info for building on lower-end buildds. cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed