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我正在尝试使用 MinGW 工具链将 Crypto++ 用于我的 Eclipse C++ 项目。问题是，每当我尝试使用加密函数时，都会被“未定义的引用”错误淹没。有谁之前经历过这个吗？这是我得到的（截断）：

更新

g++ -L "C:\\Libraries\\crypto++\\Win32\\DLL_Output\\Debug" -lpthread -lcryptopp -o "Grum Net.exe" "src\\Vault\\VaultNode.o" "src\\User.o" "src\\Grum Net.o" 
src\Grum Net.o: In function `ZN8CryptoPP18HashTransformationD2Ev':
C:/Libraries/crypto++/cryptlib.h:531: undefined reference to `vtable for CryptoPP::HashTransformation'
src\Grum Net.o: In function `ZN8CryptoPP18HashTransformationC2Ev':
C:/Libraries/crypto++/cryptlib.h:531: undefined reference to `CryptoPP::Algorithm::Algorithm(bool)'
C:/Libraries/crypto++/cryptlib.h:531: undefined reference to `vtable for CryptoPP::HashTransformation'
src\Grum Net.o: In function `ZN8CryptoPP31IteratedHashWithStaticTransformIjNS_10EnumToTypeINS_9ByteOrderELi0EEELj64ELj16ENS_5Weak13MD5ELj0ELb0EE4InitEv':
C:/Libraries/crypto++/iterhash.h:90: undefined reference to `CryptoPP::Weak1::MD5::InitState(unsigned int*)'
src\Grum Net.o:Grum Net.cpp:(.rdata$_ZTVN8CryptoPP5Weak13MD5E[__ZTVN8CryptoPP5Weak13MD5E]+0x18): undefined reference to `CryptoPP::IteratedHashBase<unsigned int, CryptoPP::HashTransformation>::Update(unsigned char const*, unsigned int)'
src\Grum Net.o:Grum Net.cpp:(.rdata$_ZTVN8CryptoPP5Weak13MD5E[__ZTVN8CryptoPP5Weak13MD5E]+0x1c): undefined reference to `CryptoPP::IteratedHashBase<unsigned int, CryptoPP::HashTransformation>::CreateUpdateSpace(unsigned int&)'
src\Grum Net.o:Grum Net.cpp:(.rdata$_ZTVN8CryptoPP5Weak13MD5E[__ZTVN8CryptoPP5Weak13MD5E]+0x24): undefined reference to `CryptoPP::IteratedHashBase<unsigned int, CryptoPP::HashTransformation>::Restart()'
src\Grum Net.o:Grum Net.cpp:(.rdata$_ZTVN8CryptoPP5Weak13MD5E[__ZTVN8CryptoPP5Weak13MD5E]+0x44): undefined reference to `CryptoPP::IteratedHashBase<unsigned int, CryptoPP::HashTransformation>::TruncatedFinal(unsigned char*, unsigned int)'
src\Grum Net.o:Grum Net.cpp:(.rdata$_ZTVN8CryptoPP5Weak13MD5E[__ZTVN8CryptoPP5Weak13MD5E]+0x4c): undefined reference to `CryptoPP::HashTransformation::TruncatedVerify(unsigned char const*, unsigned int)'
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1 回答 1

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你-L在你的报价里面。你有没有尝试过：

g++ -L "C:\\Libraries\\crypto++" -lpthread -o "Grum Net.exe" "src\\VaultNode.o" "src\\User.o" "src\\Grum Net.o"

现在 g++ 知道在哪里查找您的库，您还需要从C:\Libraries\crypto++目录中指定要使用的库：

g++ -L "C:\\Libraries\\crypto++" -lcryptolib1 -lcryptolib2 -lpthread -o "Grum Net.exe" "src\\VaultNode.o" "src\\User.o" "src\\Grum Net.o"
于 2012-12-27T17:50:28.797 回答