On Tue, 17 Aug 2021, 06:50 Kazuyoshi Furutaka, <furutaka.kazuyo...@gmail.com>
wrote:
>
>
> 2021年8月17日(火) 12:41 Dima Pasechnik <dimp...@gmail.com>:
>
>> How exactly do you call ./configure?
>>
>> CC=clang CXX=clang++ ./configure <more options>
>>
>> produces a working build on some systems at least.
>>
>> In principle, gcc and clang are producing compatible binaries, but YMMV.
>>
>> Not so for g++ and clang++, mixing them up is likely to fail. There's
>> also an extra complication involving clang's libc++ (its use depends upon
>> your configuration)
>> vs gcc's libstdc++
>>
>
> I did: `./configure CC=clang CXX=clang++`
>
please try the way I suggest, hopefully it will work better.
> Kazuyoshi
>
>
>
>> On Tue, 17 Aug 2021, 02:15 Kazuyoshi Furutaka, <
>> furutaka.kazuyo...@gmail.com> wrote:
>>
>>>
>>> Dear sage experts...
>>>
>>> I'm sorry again for not showing the fix and only to report....
>>>
>>> As the subject says, when configured with CC=clang and CXX=clang++, the
>>> build of dochtml failed.
>>>
>>> > ***************************************************************
>>> > Error building Sage.
>>> >
>>> > The following package(s) may have failed to build (not necessarily
>>> during this run of 'make all-start'):
>>> >
>>> > * documentation: dochtml
>>> > last build time: Aug 13 11:37
>>> > log file:
>>> /home/furutaka/work/sage/sage-9.4.rc2-git-clang/logs/pkgs/../dochtml.log
>>>
>>> Looking at the log file, ImportError occured many times.
>>>
>>> > $ grep ImportError
>>> /home/furutaka/work/sage/sage-9.4.rc2-git-clang/logs/pkgs/../dochtml.log |
>>> sort | uniq
>>> > [combinat ] ImportError:
>>> /home/furutaka/work/sage/sage-9.4.rc2-git-clang/local/lib64/python3.9/site-packages/sage/geometry/polyhedron/combinatorial_polyhedron/
>>> face_iterator.cpython-39-x86_64-linux-gnu.so: undefined symbol:
>>> __kmpc_end_critical
>>>
>>> Then, I searched `face_iterator.cpython-39' in the log of entire make,
>>> and found that gcc was used to build the shared object even though it was
>>> configured with CC=clang...
>>>
>>> > [sagelib-9.4.rc2] gcc -pthread -shared -Wl,-z,relro -Wl,--as-needed
>>> -Wl,-z,now -g -Wl,-z,relro -Wl,--as-needed -Wl,-z,now -g
>>> -Wl,-rpath-link,/home/furutaka/work/sage/sage-9.4.rc2-git-clang/local/lib
>>> -L/home/furutaka/work/sage/sage-9.4.rc2-git-clang/local/lib
>>> -Wl,-rpath,/home/furutaka/work/sage/sage-9.4.rc2-git-clang/local/lib -O2 -g
>>> -march=native
>>> build/temp.linux-x86_64-3.9/build/cythonized/sage/geometry/polyhedron/combinatorial_polyhedron/face_iterator.o
>>> -L/usr/lib64 -lgmp -o
>>> build/lib.linux-x86_64-3.9/sage/geometry/polyhedron/combinatorial_polyhedron/
>>> face_iterator.cpython-39-x86_64-linux-gnu.so -fopenmp -lpari
>>>
>>> Searching for the use of "gcc" in the log file, it seems that gcc was
>>> used to build the folloiwng packages.
>>>
>>> > $ awk '$2=="gcc"{print $1}' make.log | sort | uniq
>>> > [cypari-2.1.2]
>>> > [cysignals-1.10.3]
>>> > [cython-0.29.21]
>>> > [gmpy2-2.1.0b5]
>>> > [markupsafe-1.1.1]
>>> > [matplotlib-3.3.4]
>>> > [memory_allocator-0.1.0]
>>> > [numpy-1.20.3]
>>> > [pillow-8.1.2]
>>> > [psutil-5.2.0.p2]
>>> > [pyzmq-22.0.3]
>>> > [sagelib-9.4.rc2]
>>> > [scipy-1.6.3]
>>> > [singular-4.2.0p3]
>>> > [tornado-6.0.4]
>>>
>>> Is the use of gcc normal/correct/intended when CC=clang?
>>>
>>> Thanks.
>>> Kazuyoshi
>>>
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>>>
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>
>
> --
> Kazuyoshi Furutaka
>
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