-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 02/11/2016 05:23 PM, Rich Freeman wrote: > On Thu, Feb 11, 2016 at 7:12 PM, Daniel Campbell <z...@gentoo.org> > wrote: >> >> No, lazy USE in this discussion is akin to installing, say, >> Steam. That requires a lot of packages that must be rebuilt with >> abi_x86_32. In such a situation, if there was something like >> USE="~abi_x86_32" (the ~ is just a symbol, it wouldn't have to be >> that exact symbol), then packages that need that USE flag would >> automatically use it, and those that don't need it wouldn't be >> built with it. > > Actually, I was proposing that you'd only need USE="~abi_x86_32" > if you set USE="-abi_x86_32" someplace else. Adding a ~ would > just remove any previous settings - it wouldn't cause a use flag to > be turned on or off. You could have a flag like that even without > lazy use flag support - it could be used to cause a single package > to revert to its default use flags. I'm not really sure if it is > a terribly useful feature at all. > > In my proposal you wouldn't need to do anything at all on a > default profile to have USE="abi_x86_32" enabled for packages that > had that use dependency in some other package. Just running emerge > steam would cause rebuilds on anything that didn't already have > 32-bit support which required it. You'd only need to mess with > your flags if you had explicitly set USE="-abi_x86_32" - which > makes sense since you've now given portage two contradicting > directives. > > Just as you don't need to do anything special to have "emerge > chromium" pull in libX11, you wouldn't need to do anything special > to have "emerge chromium" cause hwids to rebuild with USE=usb if it > isn't already built that way, unless you had explicitly set > USE=-usb. > > And of course this should be something that can be turned off, and > users can always run -pv to see what portage is going to do. > Ah, I think I see what you mean now. That's actually a bit more predictable and requires less action on behalf of the user. I'd like to add that, if we do this, could Portage output which USE flags were being automatically added? We already have USE changes indicated with the % suffix, would that be enough in your opinion?
- -- Daniel Campbell - Gentoo Developer OpenPGP Key: 0x1EA055D6 @ hkp://keys.gnupg.net fpr: AE03 9064 AE00 053C 270C 1DE4 6F7A 9091 1EA0 55D6 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWvTS0AAoJEAEkDpRQOeFwA0UP/14lZ46QTAk3LpZG3hVCaMZa P5xvGECGpInvvgT/A3frHLrAsJ65Aem9vjLpCb43Q7SX3PRSEtVoxJu1ay7EFiwk aLqk9VX/871XTyvpaM8ArLYjzi0Q6KZFSHyxlysoAZPFUImmjIYPzrzd5lVo6tg0 zPyBUvWmyqK2u8gYZtst+3FL2yqBLqzgPg29Xf7+gX9ROtyGbynHWvh1lIgvH0GI 0vI4GqmKVy7UD3yskNEuM5Ra6iGoYwlg7n+BHCiQ7g1dZ7JwH+nP2KOEUsrlLa40 pQS0T03RnfvZZVjhM3DP0lUqZltKcGiZtrLEOe3Nw99hc8w0IDlZOGTG1sqMvkpn JtSih7d+sjk12JI4TR9Kv0UYcaHwKI4AoWpMGkr7zzjJFgPDcalsEooG9ti32y4w VioH4DJ6E76+TgakIWbXEtunPOf1IxqPPEql42Z/Ubq+vB27Cwga23bzZ0ziBh9k BxszTLMTJHvlVOe4gPHdl2DYnmgkDQXevdNgMvj+xmEh7+Jl4w9xexJJWMNQ/Ffo 9gGI9GUBUgEprzjC8tkQxrMaUcrvKRy0Khybd8wv2vpwK9wfrJ4nhXS0Pohbq+m1 Oib2B4K51MC7C+fuUWn8JES88/3zuqUIgNsNRbcUMuBrDot6rwi8GSUmvuur3oGm WRSUDmm6heJADifDBwep =UG0E -----END PGP SIGNATURE-----
