Re: Help needed for Linker error while building cryptopp for android (armeabi-v7a)

Hi All,

I see for most of the errors below function definitions are already 
available in code files.
But its no compiled because of #ifdef , not sure how to fix this..

Regards
Ninad D

On Friday, 5 February 2021 at 00:57:38 UTC+5:30 Ninad Deshmukh wrote:

> Hi
> I am new to Crypto++ 
> I was trying to build Crypto++ for *android *using documentation here: 
> https://github.com/noloader/cryptopp-android
>
> Note: Build succeeded for *arm64-v8a* and linker fails for *armeabi-v7a*
> I am not able to resolve following linker errors:
>
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeARMv7()
> >>> referenced by cpu.cpp:1014 (./../cryptopp\cpu.cpp:1014)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeNEON()
> >>> referenced by cpu.cpp:1015 (./../cryptopp\cpu.cpp:1015)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeCRC32()
> >>> referenced by cpu.cpp:1016 (./../cryptopp\cpu.cpp:1016)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbePMULL()
> >>> referenced by cpu.cpp:1017 (./../cryptopp\cpu.cpp:1017)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeAES()
> >>> referenced by cpu.cpp:1018 (./../cryptopp\cpu.cpp:1018)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeSHA1()
> >>> referenced by cpu.cpp:1019 (./../cryptopp\cpu.cpp:1019)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::CPU_ProbeSHA256()
> >>> referenced by cpu.cpp:1020 (./../cryptopp\cpu.cpp:1020)
> >>>               cpu.o:(CryptoPP::DetectArmFeatures()) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::ARIA_UncheckedSetKey_Schedule_NEON(unsigned char*, unsigned int*, 
> unsigned int)
> >>> referenced by aria.cpp:182 (./../cryptopp\aria.cpp:182)
> >>>               aria.o:(CryptoPP::ARIA::Base::UncheckedSetKey(unsigned 
> char const*, unsigned int, CryptoPP::NameValuePairs const&)) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::ARIA_ProcessAndXorBlock_NEON(unsigned char const*, unsigned 
> char*, unsigned char const*, unsigned int*)
> >>> referenced by aria.cpp:293 (./../cryptopp\aria.cpp:293)
> >>>              
>  aria.o:(CryptoPP::ARIA::Base::ProcessAndXorBlock(unsigned char const*, 
> unsigned char const*, unsigned char*) const) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::BLAKE2_Compress32_NEON(unsigned 
> char const*, CryptoPP::BLAKE2s_State&)
> >>> referenced by blake2.cpp:686 (./../cryptopp\blake2.cpp:686)
> >>>               blake2.o:(CryptoPP::BLAKE2s::Compress(unsigned char 
> const*)) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::BLAKE2_Compress64_NEON(unsigned 
> char const*, CryptoPP::BLAKE2b_State&)
> >>> referenced by blake2.cpp:709 (./../cryptopp\blake2.cpp:709)
> >>>               blake2.o:(CryptoPP::BLAKE2b::Compress(unsigned char 
> const*)) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::ChaCha_OperateKeystream_NEON(unsigned int const*, unsigned char 
> const*, unsigned char*, unsigned int)
> >>> referenced by chacha.cpp:142 (./../cryptopp\chacha.cpp:142)
> >>>               chacha.o:((anonymous 
> namespace)::ChaCha_OperateKeystream(CryptoPP::KeystreamOperation, unsigned 
> int*, unsigned int&, unsigned int&, unsigned int, unsigned char*, unsigned 
> char const*, unsigned int)) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: CryptoPP::GCM_Xor16_NEON(unsigned char*, 
> unsigned char const*, unsigned char const*)
> >>> referenced by gcm.cpp:214 (./../cryptopp\gcm.cpp:214)
> >>>               gcm.o:(CryptoPP::GCM_Base::SetKeyWithoutResync(unsigned 
> char const*, unsigned int, CryptoPP::NameValuePairs const&)) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
> >>> referenced by gcm.cpp:276 (./../cryptopp\gcm.cpp:276)
> >>>               gcm.o:(CryptoPP::GCM_Base::SetKeyWithoutResync(unsigned 
> char const*, unsigned int, CryptoPP::NameValuePairs const&)) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
> >>> referenced by gcm.cpp:277 (./../cryptopp\gcm.cpp:277)
> >>>               gcm.o:(CryptoPP::GCM_Base::SetKeyWithoutResync(unsigned 
> char const*, unsigned int, CryptoPP::NameValuePairs const&)) in archive 
> ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::LEA_Enc_AdvancedProcessBlocks_NEON(unsigned int const*, unsigned 
> int, unsigned char const*, unsigned char const*, unsigned char*, unsigned 
> int, unsigned int)
> >>> referenced by lea.cpp:875 (./../cryptopp\lea.cpp:875)
> >>>              
>  lea.o:(CryptoPP::LEA::Enc::AdvancedProcessBlocks(unsigned char const*, 
> unsigned char const*, unsigned char*, unsigned int, unsigned int) const) in 
> archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::LEA_Dec_AdvancedProcessBlocks_NEON(unsigned int const*, unsigned 
> int, unsigned char const*, unsigned char const*, unsigned char*, unsigned 
> int, unsigned int)
> >>> referenced by lea.cpp:892 (./../cryptopp\lea.cpp:892)
> >>>              
>  lea.o:(CryptoPP::LEA::Dec::AdvancedProcessBlocks(unsigned char const*, 
> unsigned char const*, unsigned char*, unsigned int, unsigned int) const) in 
> archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::SIMON128_Enc_AdvancedProcessBlocks_NEON(unsigned long long 
> const*, unsigned int, unsigned char const*, unsigned char const*, unsigned 
> char*, unsigned int, unsigned int)
> >>> referenced by simon.cpp:472 (./../cryptopp\simon.cpp:472)
> >>>              
>  simon.o:(CryptoPP::SIMON128::Enc::AdvancedProcessBlocks(unsigned char 
> const*, unsigned char const*, unsigned char*, unsigned int, unsigned int) 
> const) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::SIMON128_Dec_AdvancedProcessBlocks_NEON(unsigned long long 
> const*, unsigned int, unsigned char const*, unsigned char const*, unsigned 
> char*, unsigned int, unsigned int)
> >>> referenced by simon.cpp:493 (./../cryptopp\simon.cpp:493)
> >>>              
>  simon.o:(CryptoPP::SIMON128::Dec::AdvancedProcessBlocks(unsigned char 
> const*, unsigned char const*, unsigned char*, unsigned int, unsigned int) 
> const) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::SPECK128_Enc_AdvancedProcessBlocks_NEON(unsigned long long 
> const*, unsigned int, unsigned char const*, unsigned char const*, unsigned 
> char*, unsigned int, unsigned int)
> >>> referenced by speck.cpp:454 (./../cryptopp\speck.cpp:454)
> >>>              
>  speck.o:(CryptoPP::SPECK128::Enc::AdvancedProcessBlocks(unsigned char 
> const*, unsigned char const*, unsigned char*, unsigned int, unsigned int) 
> const) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
>
> ld: error: undefined symbol: 
> CryptoPP::SPECK128_Dec_AdvancedProcessBlocks_NEON(unsigned long long 
> const*, unsigned int, unsigned char const*, unsigned char const*, unsigned 
> char*, unsigned int, unsigned int)
> >>> referenced by speck.cpp:475 (./../cryptopp\speck.cpp:475)
> >>>              
>  speck.o:(CryptoPP::SPECK128::Dec::AdvancedProcessBlocks(unsigned char 
> const*, unsigned char const*, unsigned char*, unsigned int, unsigned int) 
> const) in archive ./obj/local/armeabi-v7a/libcryptopp_static.a
> clang++: error: linker command failed with exit code 1 (use -v to see 
> invocation)
> make: *** 
> [C:/Users/XXXXXX/AppData/Local/Android/Sdk/ndk/22.0.6917172/build//../build/core/
> build-binary.mk:741: obj/local/armeabi-v7a/cryptest.exe] Error 1
>
> Any hint, suggestions please?
>
> Regards
> Ninad D
>

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