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gcc 7.3.1 std17 编译 tongsuo 会产生如下的错误：
ERROR: /root/workspace/CubeNet/src/crypto/BUILD:1:1: C++ compilation of rule '//src/crypto:cube_crypto' failed (Exit 1) gcc failed: error executing command /opt/rh/devtoolset-7/root/usr/bin/gcc -Wextra -Wno-unknown-pragmas -Wno-unused-parameter -Wno-deprecated-declarations -Wno-implicit-fallthrough -Wno-unused-private-field -Wignored-qualifiers ... (remaining 405 argument(s) skipped)
Use --sandbox_debug to see verbose messages from the sandbox In file included from src/crypto/impl/local/grte_sm2_signer_v1.cpp:17:0: external/tongsuo_8_3_2/include/crypto/evp.h:140:21: error: expected unqualified-id before 'new' EVP_KDF_IMPL (new) (void); ^~~ external/tongsuo_8_3_2/include/crypto/evp.h:140:21: error: expected ')' before 'new' external/tongsuo_8_3_2/include/crypto/evp.h:140:20: error: expected ';' at end of member declaration EVP_KDF_IMPL (new) (void); ^ external/tongsuo_8_3_2/include/crypto/evp.h:140:21: error: expected unqualified-id before 'new' EVP_KDF_IMPL (new) (void); ^~~ cc1plus: error: unrecognized command line option '-Wno-unused-private-field' [-Werror] cc1plus: all warnings being treated as errors Target //example/cube_node:cube_node failed to build Use --verbose_failures to see the command lines of failed build steps.
原因是：tongsuo 是 c 语言实现的，结构体 EVP_KDF_METHOD 里面的变量命名为 new 会和 c++ 中的标识符 new 产生命名冲突。 / struct evp_kdf_impl_st is defined by the implementation / typedef struct evp_kdf_impl_st EVP_KDF_IMPL; typedef struct { int type; EVP_KDF_IMPL (new) (void); void (free) (EVP_KDF_IMPL impl); void (reset) (EVP_KDF_IMPL impl); int (ctrl) (EVP_KDF_IMPL impl, int cmd, va_list args); int (ctrl_str) (EVP_KDF_IMPL impl, const char type, const char value); size_t (size) (EVP_KDF_IMPL impl); int (derive) (EVP_KDF_IMPL impl, unsigned char *key, size_t keylen); } EVP_KDF_METHOD;