GNU bug report logs - #49515
[core-updates] mescc-tools tests fail

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From: Ludovic Courtès <ludo <at> gnu.org>
To: 49515 <at> debbugs.gnu.org
Cc: Jan Nieuwenhuizen <janneke <at> gnu.org>
Subject: bug#49515: [core-updates] mescc-tools tests fail
Date: Sun, 18 Jul 2021 23:04:25 +0200

Hi,

Ludovic Courtès <ludo <at> gnu.org> skribis:

> On commit 9b4c3c675c05870e5983c21ce4ff944e0b0bc2fa of ‘core-updates’,
> mescc-tools fails tests, with generated binaries segfaulting:
>
> $ ./pre-inst-env guix build mescc-tools
>
> […]
>
> + . ./sha256.sh
> ++ set -ex
> ++ ./bin/get_machine
> + ./bin/M1 -f test/test3/defs -f test/test3/lisp.s --BigEndian --architecture knight-native -o test/test3/hold
> + '[' amd64 = amd64 ']'
> + ./test/results/test1-binary
> + ./bin/hex2 -f elf_headers/elf32.hex2 -f test/test2/hold --LittleEndian --architecture x86 --BaseAddress 0x8048000 -o test/results/test2-binary --exec_enable
> test/test1/hello.sh: line 37:   125 Segmentation fault      ./test/results/test1-binary < test/test1/hex0.hex0 > test/test1/proof1

[...]

> builder for `/gnu/store/lir8pmc63k1bcj4ml9gsx1769aw9ndj2-mescc-tools-0.7.0.drv' failed with exit code 1

I found that this upstream commit, which made it in version 1.1.0, fixes
the segfault:

  commit e633669dfdf16f503a7d740b9058e343536533b4
  Author: nimaje <nimaje <at> bootstrappable.irc_channel>
  Date:   Thu Oct 15 19:12:18 2020 -0400

      Fix ELF headers to be more well behaved

I tried backporting it (patch below) but that leads to:

--8<---------------cut here---------------start------------->8---
test/test2/hello.sh
+ ./bin/M1 -f test/test2/hex.M1 --LittleEndian --Architecture 1 -o test/test2/hold
+ ./bin/hex2 -f elf_headers/elf32.hex2 -f test/test2/hold --LittleEndian --Architecture 1 --BaseAddress 0x8048000 -o test/results/test2-binary --exec_enable
++ ./bin/get_machine
+ '[' x86_64 = x86_64 ']'
+ ./test/results/test2-binary
+ r=0
+ '[' 0 = 0 ']'
++ sha256sum -c test/test2/proof.answer
sha256sum: WARNING: 1 computed checksum did NOT match
+ out='test/test2/proof: FAILED'
+ '[' 'test/test2/proof: FAILED' = 'test/test2/proof: OK' ']'
+ exit 2
make: *** [makefile:94: test2-binary] Error 2

Test suite failed, dumping logs.
error: in phase 'check': uncaught exception:
%exception #<&invoke-error program: "make" arguments: ("test" "-j" "1" "PREFIX=/gnu/store/mklrxb6k2a7f1nspm5az1w3pjgfqyx07-mescc-tools-0.5.2-0.bb062b0") exit-status: 2 term-signal: #f stop-signal: #f> 
phase `check' failed after 0.0 seconds
command "make" "test" "-j" "1" "PREFIX=/gnu/store/mklrxb6k2a7f1nspm5az1w3pjgfqyx07-mescc-tools-0.5.2-0.bb062b0" failed with status 2
builder for `/gnu/store/5pkxsjjhlirznxfblsm8g4x0dq8nlz6g-mescc-tools-0.5.2-0.bb062b0.drv' failed with exit code 1
build of /gnu/store/5pkxsjjhlirznxfblsm8g4x0dq8nlz6g-mescc-tools-0.5.2-0.bb062b0.drv failed
--8<---------------cut here---------------end--------------->8---

Should we upgrade instead?  If we do, what’s the potential for breakage?
Should ‘mes-rb5’ be kept on an older version?

WDYT, Janneke?  :-)

Thanks,
Ludo’.

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