[openssl-users] compile error

Song Geng soul.great at me.com
Thu Jul 23 08:47:39 UTC 2015

Hi guys,

I am a novice about openssl. I encounter linker error when I try to compile evp demos which locate openssl/demos/evp.

My computer info is: 
	Darwin Kernel Version 14.4.0: Thu May 28 11:35:04 PDT 2015; root:xnu-2782.30.5~1/RELEASE_X86_64

And I use both gcc and clang with command “cc -g -Wall -I../../include -lcrypto aesgcm.c" to compile the source code.

The error info shows:
	Undefined symbols for architecture x86_64: 
		 "_EVP_aes_256_gcm", referenced from: 
			 _aes_gcm_encrypt in aesgcm-093314.o 
			_aes_gcm_decrypt in aesgcm-093314.o 
	ld: symbol(s) not found for architecture x86_64 
	clang: error: linker command failed with exit code 1 (use -v to see invocation)
Please help me. I will be very appreciate. 

Br, Great Soul
soul.great at me.com

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