bug#70972: Test 170 fails

[Sam James]

Sam James <sam@gentoo.org> writes:

> Ileana Dumitrescu <ileanadumitrescu95@gmail.com> writes:
>
>> Hi Sam,
>
> Hi Ileana,

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.

The problem is gone with 2.5.1, it appears! I am sorry I kept you
waiting.

best,
sam

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