GNU bug report logs - #70972
Test 170 fails

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Message #14 received at 70972 <at> debbugs.gnu.org (full text, mbox):

From: Sam James <sam <at> gentoo.org>
To: Ileana Dumitrescu <ileanadumitrescu95 <at> gmail.com>
Cc: 70972 <at> debbugs.gnu.org
Subject: Re: bug#70972: Test 170 fails
Date: Wed, 14 Aug 2024 17:29:58 +0100

Ileana Dumitrescu <ileanadumitrescu95 <at> gmail.com> writes:

> Hi Sam,

Hi Ileana,

>
> On 08/06/2024 12:08, Ileana Dumitrescu wrote:
>> On 16/05/2024 04:09, Sam James wrote:
>>> When testing libtool-2.5.0, I got one test failure in test 170
>>> (bug_62343.at for -no-canonical-prefixes):
>>>
>>> #                             -*- compilation -*-
>>> 170. bug_62343.at:26: testing Use -no-canonical-prefixes flag ...
>>> ./bug_62343.at:28: $LIBTOOL --config | $EGREP
>>> '^build_libtool_libs=no' && (exit 77)
>>> ./bug_62343.at:36: $LIBTOOL --mode=compile --tag=CXX g++ -c x.cpp
>>> stderr:
>>> stdout:
>>> libtool: compile:  g++ -c x.cpp  -fPIC -DPIC -o .libs/x.o
>>> libtool: compile:  g++ -c x.cpp -o x.o
>>> ./bug_62343.at:38: $LIBTOOL --mode=link --tag=CXX g++ -o libx.la
>>> -no-canonical-prefixes -rpath /usr/lib64/ x.lo
>>> stderr:
>>> g++: fatal error: '-fuse-linker-plugin', but liblto_plugin.so not found
>>> compilation terminated.
>>> stdout:
>>> libtool: link: g++  -fPIC -DPIC -shared -nostdlib
>>> /usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../lib64/crti.o
>>> /usr/lib/gcc/x86_64-pc-linux-gnu/15/crtbeginS.o  .libs/x.o
>>> -L/usr/lib/gcc/x86_64-pc-linux-gnu/15
>>> -L/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../lib64
>>> -L/lib/../lib64 -L/usr/lib/../lib64
>>> -L/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../x86_64-pc-linux-gnu/lib
>>> -L/usr/lib/gcc/x86_64-pc-linux-gnu/15/../../.. -lstdc++ -lm -lc
>>> -lgcc_s /usr/lib/gcc/x86_64-pc-linux-gnu/15/crtendS.o
>>> /usr/lib/gcc/x86_64-pc-linux-gnu/15/../../../../lib64/crtn.o 
>>> -no-canonical-prefixes   -Wl,-soname -Wl,libx.so.0 -o
>>> .libs/libx.so.0.0.0
>>> ./bug_62343.at:38: exit code was 1, expected 0
>>> 170. bug_62343.at:26: 170. Use -no-canonical-prefixes flag
>>> (bug_62343.at:26): FAILED (bug_62343.at:38)
>>>
>>> Any idea how to further probe what's going on? I'm not sure why it's
>>> even trying to use a linker plugin.
>>>
>>> If I run manually, I do get the same error at least:
>>>
>>> $ g++ -o libx.la -no-canonical-prefixes x.lo
>>> g++: fatal error: ‘-fuse-linker-plugin’, but liblto_plugin.so not found
>>> compilation terminated.
>>>
>>> I'm also confused as I *do* have the plugin at
>>> /usr/libexec/gcc/x86_64-pc-linux-gnu/15/liblto_plugin.so and it works
>>> normally in other cases.
>>>
>>> If I drop -no-canonical-prefixes, it works fine. (Caveat: I've not
>>> looked up what the flag actually does.)
>>>
>>> thanks,
>>> sam
>>>
>> Test 170 has been fixed for several OSes on the development
>> branch. I
>> have not been able to reproduce your error, but I wonder if the current
>> fix would apply to your set up as well. Could you test the fix? You
>> could also wait until the next beta release and see if that fixes it.
>> 
>
> Have you been able to test if test 170 (bug_62343.at for
> -no-canonical-prefixes) fails in libtool-2.5.1 for you?
>
> If not, would you provide more information to help debug?

Sorry, I'd forgot about this -- I will check and report back either way
later today.

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