[lfs-support] libffi problems

[René Nyffenegger]

After discovering that I couldn't make python
(http://lists.linuxfromscratch.org/pipermail/lfs-support/2018-May/052029.html),
I tried to remake libffi. Executing
make check
results in
..
..
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O2 execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O3 execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -Os execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O2 -fomit-frame-
pointer execution test

=== libffi Summary ===

# of expected passes 965
# of unexpected failures 455
make[3]: *** [Makefile:397: check-DEJAGNU] Error 1

This escaped my notice when I first made libffi. Unfortunately, I have
no idea why the tests fail.
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[Filip Banák]

I had the same issue. Look here:
http://lists.linuxfromscratch.org/pipermail/lfs-support/2018-May/051993.html

Dňa 26. 5. 2018 7:33 PM pouşívateÄŸ "René Nyffenegger" <
***@renenyffenegger.ch> napísal:

After discovering that I couldn't make python
(
http://lists.linuxfromscratch.org/pipermail/lfs-support/2018-May/052029.html),

I tried to remake libffi. Executing
make check
results in
..
..
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O2 execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O3 execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -Os execution test
FAIL: libffi.call/unwindtest.cc -W -Wall -Wno-psabi -O2 -fomit-frame-
pointer execution test

=== libffi Summary ===

# of expected passes 965
# of unexpected failures 455
make[3]: *** [Makefile:397: check-DEJAGNU] Error 1

This escaped my notice when I first made libffi. Unfortunately, I have
no idea why the tests fail.
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A: Top-posting.
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http://en.wikipedia.org/wiki/Posting_style

[René Nyffenegger]

Post by Filip Banák
http://lists.linuxfromscratch.org/pipermail/lfs-support/2018-May/051993.html

Filip

Thank you so much for the link. It seems that I've now managed to
compile libffs and python3.

List, I didn't realise that the same problem was already discussed on
this mailing list.

Rene
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[Michael Shell]

On Sat, 26 May 2018 19:29:57 +0200

Post by René Nyffenegger
This escaped my notice when I first made libffi. Unfortunately, I have
no idea why the tests fail.

Yep, as Filip mentioned, we've seen this problem recently. I've filed a
bug report with the libffi developers and will let the LFS list know
what they say.


Cheers,

Mike
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[Paul Rogers]

There is a complication here in that you are building a LFS system

I've been building LFS since 2004, LFS-4.1 that time, and I still don't build gdb--building 8.1 now and got 84 errors from rustc because of it. In my case, it's an "old dog, new tricks" problem. I didn't used to understand that, do now!

... snip ...

http://lists.linuxfromscratch.org/pipermail/lfs-support/2018-May/051993.html

Thanks for that. Interesting reading. I build (B)LFS with the intent of being able to install it on any "compatible" system, so I've generally been cross-compiling all my builds on my Bloomfield i7-940 with CFLAGS="-march=x86-64 -mtune=generic", with a few exceptions: gmp, etc., so I can put them on, say, a Conroe Core-2 Duo.

List, I didn't realise that the same problem was already discussed on
this mailing list.

Yes, thing can get rather "buried". The book/site doesn't seem to use the errata much.
--
Paul Rogers
***@fastmail.fm
Rogers' Second Law: "Everything you do communicates."
(I do not personally endorse any additions after this line. TANSTAAFL :-)
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