[...]

build --build-base=build-3
running build
running build_py
creating build-3
creating build-3/lib.linux-x86_64-3.8
copying prelude.py -> build-3/lib.linux-x86_64-3.8
running build_ext
building '_prelude' extension
creating build-3/temp.linux-x86_64-3.8
x86_64-tld-linux-g++ -Wno-unused-result -Wsign-compare -DNDEBUG -O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fPIC -march=x86-64 -fno-caller-saves -O2 -fwrapv -pipe -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -fPIC -march=x86-64 -fPIC -I/usr/include/python3.8 -c _prelude.cxx -o build-3/temp.linux-x86_64-3.8/_prelude.o -I../.. -I../../src/include -I../../src/include -I../../src/libprelude-error -I../../bindings/c++/include
_prelude.cxx: In function 'void SwigPyStaticVar_dealloc(PyDescrObject*)':
_prelude.cxx:3129:3: error: '_PyObject_GC_UNTRACK' was not declared in this scope; did you mean 'PyObject_GC_UnTrack'?
 3129 |   _PyObject_GC_UNTRACK(descr);
      |   ^~~~~~~~~~~~~~~~~~~~
      |   PyObject_GC_UnTrack
error: command 'x86_64-tld-linux-g++' failed with exit status 1
make[3]: *** [Makefile:1665: python-build] Error 1
make[3]: Leaving directory '/tmp/B.mTVODv/BUILD/libprelude-5.1.1/bindings/python'
make[2]: *** [Makefile:1593: all-recursive] Error 1
make[2]: Leaving directory '/tmp/B.mTVODv/BUILD/libprelude-5.1.1/bindings'
make[1]: *** [Makefile:1678: all-recursive] Error 1
make[1]: Leaving directory '/tmp/B.mTVODv/BUILD/libprelude-5.1.1'
make: *** [Makefile:1544: all] Error 2
error: Bad exit status from /tmp/B.mTVODv/BUILD/tmp/rpm-tmp.49087 (%build)
RPM build errors:
    Bad exit status from /tmp/B.mTVODv/BUILD/tmp/rpm-tmp.49087 (%build)
ended at: Sun Dec  8 00:41:52 2019, done in 0:01:34.303584
error: No files produced.
+ chmod -R u+rwX /tmp/B.mTVODv/BUILD
+ rm -rf /tmp/B.mTVODv/tmp /tmp/B.mTVODv/BUILD
+ rm -rf /tmp/B.mTVODv
Begin-TLD-Builder-Info
Build-Time: user:92.14s sys:14.10s real:100.81s (faults io:55 non-io:6664048)
End-TLD-Builder-Info