Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+-
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  closed
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:  fixed
 Keywords:   |
-+-
Changes (by ken@…):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 r20084.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 Yesterday, fresh builds on my ryzen were working fine. Today (in my
 personal timezone :) they each rebooted during the tests. Eventually for
 other reasons (my buildscript exiting after the build, both on the ryzen
 and on another machine) I dropped back to using python2 and got a
 successful run of the tests.

 So, while having gdb installed helps on ryzen it is not a panacea and you
 still have to  ask yourself "Do I feel lucky?" if running the tests.

 I will note that *all* builds report an error near the end of the build,
 miri fails to compile because of multiple potential crates for `log`. This
 is not anything to worry about (and you really do not want miri, it just
 adds space and time and the tests it enables are disabled by default).

 After some more testing (build and reinstall librsvg on rustc built with
 system llvm, test some of its users) I intend to show a DESTDIR install
 for this, followed by root installing by copying, to allow building as a
 user without root having to download and compile all the cargo files for
 the install. That should be cleaner than what is currently in the book (a
 benefit of updating rust before it becomes imperative for firefox, with
 time to review the options). The disk space DOES go up like that, of
 course, but 1.25 seems to be bigger than 1.22 (no surprise there) and the
 DESTDIR+system-llvm space is smaller than the space used by the source
 files (after running tests) if using the shipped llvm

 I've also tested rustc, and then firefox-60beta, on an 8.2 system where
 llvm was 5.0.1 and the build with system llvm worked fine (got that from
 slackbuilds!). But using system llvm is messy, e.g. when config.toml is
 parsed, the text specifying llvm-config seems to be executed even if it
 has been commented (the resulting config.toml is ok, but the 'help' output
 from llvm-config appears on screen.

 Hmm, checking the space, I realise I need to remeasure without running the
 tests. 

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[Ken Moffat via blfs-book]

On Tue, Apr 10, 2018 at 11:25:56PM +0300, Thanos Baloukas via blfs-book wrote:
> On 10/04/2018 09:11 μμ, Ken Moffat via blfs-book wrote:
> > 
> > I'll end this reply by quoting from their specfile:
> > 
> > %description
> > 
> > Rust is a systems programming language that runs blazingly fast, prevents
> > segfaults, and guarantees thread safety.
> > 
> 
> Yes, this motto is by the rust web page
> https://www.rust-lang.org/en-US/
> 

Yes, I know.  Others too have quoted it in its entirety.  But to my
mind the claims are "not proven".  For thread safety I'm willing to
give them the benefit o the doubt at the moment, but I can't
currently agree with 'prevents segfaults'.

> I will say that it may well be, firefox with rust is stable and we may
> try to use rust on thunderbird too. It's just that their tests do not
> yet fully support our processors. I'm sure that it's a matter of time.
> 
> Do you remember what happened on gentoo and other mailing lists with the
> advent of ryzen? After the gcc-7.3 release all these threads became
> inactive.
> 

Yes.

ĸen
-- 
In my seventh decade astride this planet, and as my own cells degrade,
there are some things I cannot do now: skydiving, marathon running,
calculus. I couldn't do them in my 20s either, so no big loss.
-- Derek Smalls, formerly of Spinal Tap
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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 Well, I _was_ making progress.  Then I started looking at possible
 improvements in the build and my DESTDIR installs failed part-way.  Will
 need to do a bit more testing.

 Meanwhile, the installed version with its shipped llvm can build librsvg
 so that should not hold things up.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[Thanos Baloukas via blfs-book]

On 10/04/2018 09:11 μμ, Ken Moffat via blfs-book wrote:


I'll end this reply by quoting from their specfile:

%description

Rust is a systems programming language that runs blazingly fast, prevents
segfaults, and guarantees thread safety.



Yes, this motto is by the rust web page
https://www.rust-lang.org/en-US/

I will say that it may well be, firefox with rust is stable and we may
try to use rust on thunderbird too. It's just that their tests do not
yet fully support our processors. I'm sure that it's a matter of time.

Do you remember what happened on gentoo and other mailing lists with the
advent of ryzen? After the gcc-7.3 release all these threads became
inactive.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[Ken Moffat via blfs-book]

On Tue, Apr 10, 2018 at 08:26:23AM +0300, Thanos Baloukas via blfs-book wrote:
> > 
> Did you notice that Arch doesn't run the tests for rust? They do run
> the tests on other packages.
> 

I only look at Arch if I need to build a new package or if I get a
problem.  Most of what I have looked at is in AUR (user-supported)
and I don't recall ever noticing tests being run.  But I guess that
comes down to whoever contributes the particular package.

> On this build they are using system llvm
> 
> https://kojipkgs.fedoraproject.org//packages/rust/1.25.0/1.fc28/data/logs/x86_64/build.log
> 

Thanks for the link.

They appear to be updating config.guess and config.sub in various
directories and then apparently running ./configure to create
config.toml.

Maybe I should look at, and for,
0001-Ignore-stack-probes-tests-on-powerpc-s390x-too.patch
... found the build at
https://src.fedoraproject.org/rpms/rust/tree/master
Nope, it only adds those arches to what is ignored, doesn't get
applied on x86.

Last time I looked (some months ago), they were not running the
tests.

Theyi now have only two failures

test [run-make] run-make/atomic-lock-free ... FAILED

test [run-make] run-make/sysroot-crates-are-unstable ... FAILED

but they appear to be building for all arches and of course they
have gdb installed.

I'll end this reply by quoting from their specfile:

%description

Rust is a systems programming language that runs blazingly fast, prevents
segfaults, and guarantees thread safety.

ĸen
-- 
In my seventh decade astride this planet, and as my own cells degrade,
there are some things I cannot do now: skydiving, marathon running,
calculus. I couldn't do them in my 20s either, so no big loss.
-- Derek Smalls, formerly of Spinal Tap
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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[Thanos Baloukas via blfs-book]

On 10/04/2018 06:37 πμ, BLFS Trac via blfs-book wrote:

#10624: rustc-1.25.0
-+---
  Reporter:  ken@…|   Owner:  ken@…
  Type:  enhancement  |  Status:  assigned
  Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
  Severity:  normal   |  Resolution:
  Keywords:   |
-+---

Comment (by ken@…):

  Trying a build with system llvm : strangely, the build is no quicker,
  despite not having to compile the local llvm, but the log is a *lot*
  shorter as expected.

  Interestingly, Arch seem to have moved away from using system llvm and are
  still using python2 to build rust. For fedora I can no longer find out how
  they build it (latest binaries for rawhide seem to have been updated
  recently, the previous links to thir srpm are dead and they have several
  pages of cgit matches for rust.

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Did you notice that Arch doesn't run the tests for rust? They do run
the tests on other packages.

On this build they are using system llvm

https://kojipkgs.fedoraproject.org//packages/rust/1.25.0/1.fc28/data/logs/x86_64/build.log

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 Trying a build with system llvm : strangely, the build is no quicker,
 despite not having to compile the local llvm, but the log is a *lot*
 shorter as expected.

 Interestingly, Arch seem to have moved away from using system llvm and are
 still using python2 to build rust. For fedora I can no longer find out how
 they build it (latest binaries for rawhide seem to have been updated
 recently, the previous links to thir srpm are dead and they have several
 pages of cgit matches for rust.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 I can't get past this, so I've raised [https://github.com/rust-
 lang/rust/issues/49751]

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 Gave it another try, again it rebooted but this time I was more awake when
 I looked - the reboot was to the first ystem on the disk, so details of
 that boot were of course not in the log on the main system.

 This time, looking at timestamps from my logs, the invalid opcodes
 happened at 06:37:48, which is shortly after it started to run the tests,
 and the segfaults about three and a half minutes later, but the tests
 continued for more than 20 minutes before the reboot - a chunk of nulls at
 the end of the log from the tests.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 I'm getting back to my "I really hate rust" state!  About 24 hours ago I
 built 1.25.0 four times and installed it in /opt (three to confirm it
 would reliably build, although I noted the SBUs were variable, then a
 fourth time because I'd forgotten that the repeat script finished by
 wiping out /opt/rust.). And then I built firefox several times using
 /opt/rust/bin/rustc - an almost-complete build of 60-beta (I forgot that
 using my script would hide libcrmf.a, so that failed at the end), a build
 of 59.0.2, a vanilla manual build of -beta and then another with system
 graphite2 and harfbuzz

 Things looked good, so I decided to upgrade this system to -beta in /usr,
 for which I wanted to install rustc-1.25.0 in /usr. Left it building rustc
 in X, came back to an 80x25 tty instead of the normal 100xWhatever tty, so
 I assumed it had rebooted to my nouveau-based first system on this machine
 (I'm now using a radeon). But no, the only reboot was when I then pressed
 Ctrl-Alt-Del.  I'm retrying at the moment, it had failed during the rustc
 build and the syslog showed it had failed during stage2:

 {{{
 Apr  6 04:44:05 origin kernel: [32318.734501] traps: backtrace.stage[3292]
 trap invalid opcode ip:7f770d540498 sp:7fff8a04b2f0 error:0 in libstd-
 23815cc482a70678.so[7f770d4e6000+155000]
 Apr  6 04:44:05 origin kernel: [32318.761267] traps: backtrace.stage[3305]
 trap invalid opcode ip:7f2a670f3498 sp:7ffdf2cd6060 error:0 in libstd-
 23815cc482a70678.so[7f2a67099000+155000]
 Apr  6 04:47:48 origin kernel: [32541.823158] segfault-no-out[16965]:
 segfault at 0 ip 55fd937ceb69 sp 7fff8f94f100 error 6 in segfault-
 no-out-of-stack.stage2-x86_64-unknown-linux-gnu[55fd937cb000+5000]
 Apr  6 04:47:55 origin kernel: [32548.615545] signal-exit-sta[17770]:
 segfault at 1 ip 55cc448b9efc sp 7fff3879c310 error 6 in signal-
 exit-status.stage2-x86_64-unknown-linux-gnu[55cc448b7000+4000]
 Apr  6 04:47:58 origin kernel: [32551.276777] traps: simd-target-
 fea[18051] trap invalid opcode ip:562ab9dfc89c sp:7fff6be1eb50
 error:0 in simd-target-feature-mixup.stage2-x86_64-unknown-linux-
 gnu[562ab9df9000+7000]
 }}}

 For the moment, my general view on rust is that it's more trouble than
 it's worth.

 But compared to 1.23.0, at least this isn't a buildscript failing early
 but with status 0, this time it managed to crash Xorg. Not sure if that
 really counts as progress ;)

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 Replying to [comment:2 ken@…]:
 > Also, need to determine if rustc-1.25.0 will build firefox-59-series.

 I installed 1.25.0 (with its shipped llvm, built with python3) on this
 machine last night, so I used it to build 59.0.2, no problems. That means
 that if things continue ok (and provided it can also build librsvg) this
 could go into the book before firefox-60.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by ken@…):

 In fact, the release date for firefox-60.0 is not until 9th May.

 Also, need to determine if rustc-1.25.0 will build firefox-59-series.

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Re: [blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|   Owner:  ken@…
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---
Changes (by ken@…):

 * owner:  blfs-book => ken@…
 * status:  new => assigned


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[blfs-book] [BLFS Trac] #10624: rustc-1.25.0

[BLFS Trac via blfs-book]

#10624: rustc-1.25.0
-+---
 Reporter:  ken@…|  Owner:  blfs-book
 Type:  enhancement  | Status:  new
 Priority:  normal   |  Milestone:  8.3
Component:  BOOK |Version:  SVN
 Severity:  normal   |   Keywords:
-+---
 Firefox-60.0 (due in a bit over two weeks) needs a newer version of rustc
 than 1.22.0.

 As Pierre noted in #10503 it would be good if we could use system llvm
 with rustc.

 Not yet tested, my (limited) experience with 1.24.0 built with python3
 suggested that version worked more reliably than 1.23.0, but it needs
 extended testing.

 AFAICS, the next llvm major release should be after BLFS-8.3 so hopefully
 using system llvm might last for a few months.

 At the moment I'm just building it (without tests) to look at ff60-beta
 and to then see how reliably my scripts run when I use it.

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