On Tue, Jan 7, 2020 at 3:13 PM Thomas Preston < thomas.pres...@codethink.co.uk> wrote:
> On Tuesday, 7 January 2020 09:14:36 UTC, Jakob Gruber wrote: >> >> On Mon, Jan 6, 2020 at 6:30 PM Thomas Preston <thomas...@codethink.co.uk> >> wrote: >> >>> Hi, >>> We have noticed that the latest version of Chromium makes the v8 >>> snapshot build mandatory. >>> We were turning this off for building under Buildroot (for linux, >>> targetting 32-bit ARM), because Buildroot has no concept of multilib, and >>> host packages can't be installed with 32-bit memory architectures. >>> Is there any way to continue to disable v8 snapshot building? If not, >>> where can we find out more about building ARM 32-bit V8 snapshots on x64 >>> hosts? >>> >> >> Unfortunately there's currently no easy way to do this. A 64-bit >> mksnapshot binary (currently) cannot create 32-bit snapshots. >> >> Your best bet is to build snapshot_blob.bin and embedded.S elsewhere >> (e.g. on the host system or in a VM). The final build could then use these >> generated files and skip the mksnapshot step. Would that be an option for >> you? >> >> See also the Known Issues section here >> <https://docs.google.com/document/d/1Irnq29OIGWMkcsXmazECZii95eIGQoyrYsmriHvpk-M/edit#heading=h.k26jzph28qte> >> . >> >> > That's useful, thanks. It looks like checking-in pre-built 32-bit > artifacts is the way to go. > > Is it possible to just run mksnapshot? Maybe we can just tell ninja to > build `obj/v8/v8_snapshot/embedded.o` > Yes that's certainly possible. Try the run_mksnapshot target <https://cs.chromium.org/chromium/src/v8/BUILD.gn?l=1253&rcl=73b25eab2d914aa2be8eb2d223eee7c1b93b45a0>. Make sure to use the same git hash and build config though between the mksnapshot run and the final V8 build! > Full-Chromium requires a 64-bit build environment > https://chromium.googlesource.com/chromium/src/+/master/docs/linux/build_instructions.md > > > Alternatively, are there any pre-built artifacts we can just download? > This would be ideal, as we wouldn't have to check in large files to > Buildroot. > No, sorry. I do like the idea, but we don't have anything like that right now. > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-users/d6503022-b79e-47bc-8fad-4207b6a69b21%40googlegroups.com > <https://groups.google.com/d/msgid/v8-users/d6503022-b79e-47bc-8fad-4207b6a69b21%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/CAH3p7oPbxn-YfxqMza_qKOuiQ2BWf90ubEiA35WN0LYY-69z%2Bg%40mail.gmail.com.
