The file cipher/simd-common-riscv.h is missing from the libgcrypt 1.11.1 tarball, which means it can't be built for RISC-V.
It looks like this file needs adding to EXTRA_libcipher_la_SOURCES in cipher/Makefile.am.
The file cipher/simd-common-riscv.h is missing from the libgcrypt 1.11.1 tarball, which means it can't be built for RISC-V.
It looks like this file needs adding to EXTRA_libcipher_la_SOURCES in cipher/Makefile.am.