static build: multiple definition of 'nettle_ecc_scalar_random'

Closed Issue created 4 years ago by Adrien Béraud

When building a static library of GnuTLS 3.6.14 for Android (with Nettle 3.5.1), nettle_ecc_scalar_random is included in the resulting static library:

nm -C x86_64-linux-android/lib/libgnutls.a  | grep nettle_ecc_scalar_random
00000000000001f0 T nettle_ecc_scalar_random

However this symbol is really part of libhogweed (Nettle):

nm -C x86_64-linux-android/lib/libhogweed.a  | grep nettle_ecc_scalar_random
00000000000001f0 T nettle_ecc_scalar_random

So when building a library with -lgnutls -lhogweed -lnettle:

ld: error: x86_64-linux-android/lib/libhogweed.a(ecc-random.o): multiple definition of 'nettle_ecc_scalar_random'
ld: x86_64-linux-android/lib/libgnutls.a(ecc-random.o): previous definition here
clang90++: error: linker command failed with exit code 1 (use -v to see invocation)

Or if trying to build without libhogweed (just -lgnutls -lnettle), the linker fails at runtime:

dlopen failed: cannot locate symbol "nettle_rsa_pss_sha256_sign_digest_tr" referenced by "/data/app/blah.so"...

Expected behavior:

No definition from libhogweed or nettle should be included in the static library

Edited 4 years ago by Adrien Béraud

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static build: multiple definition of 'nettle_ecc_scalar_random'

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