重复符号错误：iOS中的WebRTC和OpenSSL

当我在ios中使用webrtc时，发现webrtc和openssl有冲突，导致编译失败，出现标识符重复定义，请问如何解决这个问题，谢谢~

错误：

 #3 0x00bc2a50 in OBJ_NAME_add ()
    #4  0x00bf833f in EVP_add_cipher ()
    #5  0x00bfbfa8 in OpenSSL_add_all_ciphers ()
    #6  0x00bfbf7d in OPENSSL_add_all_algorithms_noconf ()

还有更多：

duplicate symbol _EVP_PKEY_print_public in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p_lib.o)
    duplicate symbol _EVP_PKEY_print_private in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p_lib.o)
    duplicate symbol _EVP_PKEY_print_params in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p_lib.o)
    duplicate symbol _EVP_PKEY_CTX_new in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp_ctx.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(pmeth_lib.o)
    duplicate symbol _EVP_PKEY_CTX_new_id in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp_ctx.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(pmeth_lib.o)
    duplicate symbol _EVP_PKEY_asn1_find in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(ameth_lib.o)
    duplicate symbol _EVP_PKEY_asn1_find_str in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.evp.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(ameth_lib.o)
    duplicate symbol _d2i_PKCS12 in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.pkcs8.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p12_asn.o)
    duplicate symbol _PKCS12_free in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.pkcs8.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p12_asn.o)
    duplicate symbol _PKCS12_PBE_add in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.pkcs8.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios/libcrypto.a(p12_crpt.o)
    duplicate symbol _d2i_PKCS12_bio in:
        /Users/hucheng/Desktop/HF/WebRTC/Lib/libWebRTC.a(boringssl.pkcs8.o)
        /Users/hucheng/Desktop/HF/HuiFen/Pods/OpenSSL-Universal/lib-ios

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……我也有同样的问题，你解决了吗？