Ring's build script generates its assembly at build time only when it sees a .git directory, which cargo vendor strips;
A git tree also has no pregenerated/ (which is produced when packaging for crates.io), so the vendored copy fails due to missing .S and ring_core_generated/prefix_symbols.h.
Build for armv7-linux-androideabi on Ubuntu 20.04
Ring's build script generates its assembly at build time only when it sees a .git directory, which
cargo vendorstrips;A git tree also has no pregenerated/ (which is produced when packaging for crates.io), so the vendored copy fails due to missing .S and ring_core_generated/prefix_symbols.h.
Build for armv7-linux-androideabi on Ubuntu 20.04