undefined symbol: ring_core_0_17_14__x25519_* with LTO

[Ra2-IFV]

To reproduce this issue, -flto must be included in CFLAGS.

Details

error: undefined symbol: ring_core_0_17_14__aes_nohw_set_encrypt_key
          >>> referenced by ffi.rs:99 (src/aead/aes/ffi.rs:99)
          >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.13.rcgu.o:(ring::aead::aes::fallback::Key::new::hf36ab2f1a3d18bb6) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      ld.lld: error: undefined symbol: ring_core_0_17_14__aes_nohw_encrypt
      >>> referenced by ffi.rs:109 (src/aead/aes/ffi.rs:109)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.13.rcgu.o:(_$LT$ring..aead..aes..fallback..Key$u20$as$u20$ring..aead..aes..EncryptBlock$GT$::encrypt_block::h81e07a5cfd7425d0) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__aes_nohw_ctr32_encrypt_blocks
      >>> referenced by ffi.rs:148 (src/aead/aes/ffi.rs:148)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.13.rcgu.o:(_$LT$ring..aead..aes..fallback..Key$u20$as$u20$ring..aead..aes..EncryptCtr32$GT$::ctr32_encrypt_within::h5fc693daedb384e6) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_ge_double_scalarmult_vartime
      >>> referenced by verification.rs:67 (src/ec/curve25519/ed25519/verification.rs:67)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.11.rcgu.o:(_$LT$ring..ec..curve25519..ed25519..verification..EdDSAParameters$u20$as$u20$ring..signature..VerificationAlgorithm$GT$::verify::h994b34aa2bf42571) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__bn_neg_inv_mod_r_u64
      >>> referenced by modulus.rs:100 (src/arithmetic/bigint/modulus.rs:100)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.10.rcgu.o:(ring::arithmetic::bigint::modulus::OwnedModulus$LT$M$GT$::from::h0620bece56d5eca5) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by modulus.rs:100 (src/arithmetic/bigint/modulus.rs:100)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.10.rcgu.o:(ring::arithmetic::bigint::modulus::OwnedModulus$LT$M$GT$::from::h465cdfa040df62ea) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by modulus.rs:100 (src/arithmetic/bigint/modulus.rs:100)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.10.rcgu.o:(ring::arithmetic::bigint::modulus::OwnedModulus$LT$M$GT$::from::he6e85d8fb6020411) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__LIMBS_sub_mod
      >>> referenced by bigint.rs:308 (src/arithmetic/bigint.rs:308)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.09.rcgu.o:(ring::arithmetic::bigint::elem_sub::_$u7b$$u7b$closure$u7d$$u7d$::h84bd52115b661864) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__OPENSSL_cpuid_setup
      >>> referenced by intel.rs:57 (src/cpu/intel.rs:57)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.09.rcgu.o:(ring::cpu::intel::featureflags::get_or_init::_$u7b$$u7b$closure$u7d$$u7d$::h23f2afa5f393e8e9) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__bn_from_montgomery_in_place
      >>> referenced by montgomery.rs:270 (src/arithmetic/montgomery.rs:270)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::arithmetic::montgomery::limbs_from_mont_in_place::h425367468ae1fdfa) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_fe_invert
      >>> referenced by ops.rs:141 (src/ec/curve25519/ops.rs:141)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::encode_point::h09333565fec01e6d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_fe_mul_ttt
      >>> referenced by ops.rs:144 (src/ec/curve25519/ops.rs:144)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::encode_point::h09333565fec01e6d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by ops.rs:147 (src/ec/curve25519/ops.rs:147)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::encode_point::h09333565fec01e6d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_fe_tobytes
      >>> referenced by ops.rs:148 (src/ec/curve25519/ops.rs:148)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::encode_point::h09333565fec01e6d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_fe_isnegative
      >>> referenced by ops.rs:150 (src/ec/curve25519/ops.rs:150)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::encode_point::h09333565fec01e6d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_fe_neg
      >>> referenced by ops.rs:52 (src/ec/curve25519/ops.rs:52)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::Elem$LT$ring..ec..curve25519..ops..T$GT$::negate::hfb5173776f885b18) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_ge_scalarmult_base
      >>> referenced by ops.rs:88 (src/ec/curve25519/ops.rs:88)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::ExtPoint::from_scalarmult_base::h7830dbab2ea6cd31) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_ge_frombytes_vartime
      >>> referenced by ops.rs:101 (src/ec/curve25519/ops.rs:101)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::ops::ExtPoint::from_encoded_point_vartime::h48c39deb4089836d) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_scalar_mult_generic_masked
      >>> referenced by x25519.rs:147 (src/ec/curve25519/x25519.rs:147)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::x25519::x25519_ecdh::scalar_mult::h03793e8c05fc51f0) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_scalar_mult_adx
      >>> referenced by x25519.rs:135 (src/ec/curve25519/x25519.rs:135)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::x25519::x25519_ecdh::scalar_mult::h03793e8c05fc51f0) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__x25519_public_from_private_generic_masked
      >>> referenced by x25519.rs:91 (src/ec/curve25519/x25519.rs:91)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::curve25519::x25519::x25519_public_from_private::h3b71caf571c0448a) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__p384_elem_mul_mont
      >>> referenced by p384.rs:276 (src/ec/suite_b/ops/p384.rs:276)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::suite_b::ops::p384::p384_elem_sqr_mont::h017481d227f2b304) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by p384.rs:22 (src/ec/suite_b/ops/p384.rs:22)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::suite_b::ops::p384::COMMON_OPS::hb852866fc618b130) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib

      ld.lld: error: undefined symbol: ring_core_0_17_14__p384_scalar_mul_mont
      >>> referenced by p384.rs:182 (src/ec/suite_b/ops/p384.rs:182)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::suite_b::ops::p384::p384_scalar_inv_to_mont::sqr_mul_acc::hf71bd0d6fb37aa98) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by p384.rs:155 (src/ec/suite_b/ops/p384.rs:155)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::suite_b::ops::p384::p384_scalar_inv_to_mont::mul::hc12b54b11c325ca8) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced by p384.rs:159 (src/ec/suite_b/ops/p384.rs:159)
      >>>               ring-964e6fc9dee779e0.ring.9bb2f85188ad7ff3-cgu.08.rcgu.o:(ring::ec::suite_b::ops::p384::p384_scalar_inv_to_mont::sqr::h90c25b213d569554) in archive /build/target/debug/deps/libring-964e6fc9dee779e0.rlib
      >>> referenced 2 more times

      ld.lld: error: too many errors emitted, stopping now (use --error-limit=0 to see all errors)

[briansmith]

LTO requires additional configuration of the (C) toolchain to work. There are issues/discussions about this elsewhere in the project.

[Ra2-IFV]

I did search the issue.