configure: set the bindgen cross target Implement a bash version of rust-bindgen rust_to_clang_target() to convert from rust target to clang target. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20250924120426.2158655-8-marcandre.lureau@redhat.com>