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++`
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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--
Kazuyoshi Furutaka
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