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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