riscv64 build of deal.ii 9.5.1-3 in ubuntu oracular PROPOSED

u/libopen-rte.so;/lib/riscv64-linux-gnu/libopen-pal.so;/lib/riscv64-linux-gnu/libhwloc.so;/lib/riscv64-linux-gnu/libevent_core.so;/lib/riscv64-linux-gnu/libevent_pthreads.so;/lib/riscv64-linux-gnu/libm.so;/lib/riscv64-linux-gnu/libz.so
--
-- DEAL_II_WITH_SCALAPACK successfully set up with external dependencies.
--
-- Include /<<PKGBUILDDIR>>/cmake/configure/configure_50_slepc.cmake
-- Found SLEPC_LIBRARY
-- Found SLEPC_INCLUDE_DIR_ARCH
-- Found SLEPC_INCLUDE_DIR_COMMON
-- Processing SLEPC variables and targets
-- Processing SLEPC variables and targets - Done
--
-- Defining target: interface_slepc
-- VERSION: 3.20.2.
-- LINK_LIBRARIES: /usr/lib/riscv64-linux-gnu/libslepc.so;/usr/lib/riscv64-linux-gnu/libpetsc.so
-- INCLUDE_DIRECTORIES: /usr/include/slepc
--
-- DEAL_II_WITH_SLEPC successfully set up with external dependencies.
--
-- Include /<<PKGBUILDDIR>>/cmake/configure/configure_50_sundials.cmake
-- Found SUNDIALS_LIB_IDAS
-- Found SUNDIALS_LIB_IDA
-- Found SUNDIALS_LIB_ARKODE
-- Found SUNDIALS_LIB_KINSOL
-- Found SUNDIALS_LIB_SER
-- Found SUNDIALS_INCLUDE_DIR
-- Found SUNDIALS_LIB_PAR
-- Found SUNDIALS_CONFIG_H
-- Processing SUNDIALS variables and targets
-- Processing SUNDIALS variables and targets - Done
--
-- Defining target: interface_sundials
-- VERSION: 6.4.1
-- LINK_LIBRARIES: /usr/lib/riscv64-linux-gnu/libsundials_idas.so;/usr/lib/riscv64-linux-gnu/libsundials_arkode.so;/usr/lib/riscv64-linux-gnu/libsundials_kinsol.so;/usr/lib/riscv64-linux-gnu/libsundials_nvecserial.so;/usr/lib/riscv64-linux-gnu/libsundials_nvecparallel.so
-- INCLUDE_DIRECTORIES: /usr/include
--
-- DEAL_II_WITH_SUNDIALS successfully set up with external dependencies.
--
-- Include /<<PKGBUILDDIR>>/cmake/configure/configure_50_symengine.cmake
-- DEAL_II_WITH_SYMENGINE is set to off.
--
-- Include /<<PKGBUILDDIR>>/cmake/configure/configure_50_vectorization.cmake
--
-- Include /<<PKGBUILDDIR>>/cmake/setup_finalize.cmake
-- Performing Test DEAL_II_HAVE_USABLE_FLAGS_DEBUG