sparsematrix.hpp:53,
                 from ../../../ql/methods/finitedifferences/operators/fdmlinearop.hpp:30,
                 from ../../../ql/methods/finitedifferences/utilities/fdmboundaryconditionset.hpp:28,
                 from ../../../ql/methods/finitedifferences/solvers/fdmsolverdesc.hpp:26,
                 from ../../../ql/experimental/finitedifferences/fdmextoujumpsolver.hpp:28,
                 from fdextoujumpvanillaengine.cpp:36:
/usr/include/boost/serialization/collections_save_imp.hpp: In function 'void boost::serialization::stl::save_collection(Archive&, const Container&, boost::serialization::collection_size_type)':
/usr/include/boost/serialization/collections_save_imp.hpp:60:16: error: no post-decrement operator for type
   60 |     while(count-- > 0){
      |                ^~
In file included from /usr/include/boost/numeric/ublas/storage_sparse.hpp:20,
                 from /usr/include/boost/numeric/ublas/vector_sparse.hpp:16,
                 from /usr/include/boost/numeric/ublas/matrix_sparse.hpp:16,
                 from ../../../ql/math/matrixutilities/sparsematrix.hpp:53,
                 from ../../../ql/methods/finitedifferences/operators/fdmlinearop.hpp:30,
                 from ../../../ql/methods/finitedifferences/utilities/fdmboundaryconditionset.hpp:28,
                 from ../../../ql/methods/finitedifferences/solvers/fdmsolverdesc.hpp:26,
                 from ../../../ql/experimental/finitedifferences/fdmextoujumpsolver.hpp:28,
                 from fdextoujumpvanillaengine.cpp:36:
/usr/include/boost/serialization/map.hpp: In function 'void boost::serialization::load_map_collection(Archive&, Container&)':
/usr/include/boost/serialization/map.hpp:58:16: error: no post-decrement operator for type
   58 |     while(count-- > 0){
      |                ^~
make[4]: *** [Makefile:562: fdmblackscholesfwdop.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
libtool: compile:  g++ -DHAVE_CONFIG_H -I../../.. -I../../.. -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fpermissive -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -c dynprogvppintrinsicvalueengine.cpp -o dynprogvppintrinsicvalueengine.o >/dev/null 2>&1
make[4]: *** [Makefile:562: fdextoujumpvanillaengine.lo] Error 1
make[4]: *** [Makefile:562: fdklugeextouspreadengine.lo] Error 1
make[4]: Leaving directory '/builddir/build/BUILD/QuantLib-1.16/ql/experimental/finitedifferences'
make[3]: *** [Makefile:522: all-recursive] Error 1
make[3]: Leaving directory '/builddir/build/BUILD/QuantLib-1.16/ql/experimental'
make[2]: *** [Makefile:692: all-recursive] Error 1
make[2]: Leaving directory '/builddir/build/BUILD/QuantLib-1.16/ql'
make[1]: *** [Makefile:517: all] Error 2
make[1]: Leaving directory '/builddir/build/BUILD/QuantLib-1.16/ql'
make: *** [Makefile:593: all-recursive] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.51Tbud (%build)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.51Tbud (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/QuantLib.spec