Openssl 编译错误 [英] Openssl compile error
问题描述
我使用 openssl 库在 C 代码中包含以下头文件.
I have included the following header files in a C code using openssl libraries.
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#ifdef __VMS
#include <in.h>
#include <inet.h>
#else
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
然后我使用 gcc -o openssl -lssl -lcrypt openssl.c
编译了程序在我的办公室里,这段代码编译并运行良好,但在我家的系统中(办公室里都是 linux-debian 6,家里是 Ubuntu 12.04),它给出了以下错误:
Then I compiled the program using gcc -o openssl -lssl -lcrypt openssl.c
In my office this code compiled and run fine but in my house system(both are linux- debian 6 in office and Ubuntu 12.04 at home), it gave the following error:
/tmp/ccZcmLk4.o: In function `main':
server.c:(.text+0x3d): undefined reference to `SSL_library_init'
server.c:(.text+0x42): undefined reference to `SSL_load_error_strings'
server.c:(.text+0x47): undefined reference to `SSLv3_method'
server.c:(.text+0x57): undefined reference to `SSL_CTX_new'
server.c:(.text+0x6f): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0x97): undefined reference to `SSL_CTX_use_certificate_file'
server.c:(.text+0xa8): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0xd0): undefined reference to `SSL_CTX_use_PrivateKey_file'
server.c:(.text+0xe1): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0xf9): undefined reference to `SSL_CTX_check_private_key'
server.c:(.text+0x154): undefined reference to `SSL_CTX_load_verify_locations'
server.c:(.text+0x165): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0x18d): undefined reference to `SSL_CTX_set_verify'
server.c:(.text+0x1a1): undefined reference to `SSL_CTX_set_verify_depth'
server.c:(.text+0x397): undefined reference to `SSL_new'
server.c:(.text+0x3c2): undefined reference to `SSL_set_fd'
server.c:(.text+0x3ce): undefined reference to `SSL_accept'
server.c:(.text+0x3e6): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0x3fe): undefined reference to `SSL_get_current_cipher'
server.c:(.text+0x406): undefined reference to `SSL_CIPHER_get_name'
server.c:(.text+0x42e): undefined reference to `SSL_get_peer_certificate'
server.c:(.text+0x455): undefined reference to `X509_get_subject_name'
server.c:(.text+0x46d): undefined reference to `X509_NAME_oneline'
server.c:(.text+0x4b1): undefined reference to `X509_get_issuer_name'
server.c:(.text+0x4c9): undefined reference to `X509_NAME_oneline'
server.c:(.text+0x50d): undefined reference to `X509_free'
server.c:(.text+0x593): undefined reference to `SSL_write'
server.c:(.text+0x5ab): undefined reference to `ERR_print_errors_fp'
server.c:(.text+0x5d3): undefined reference to `SSL_read'
server.c:(.text+0x5eb): undefined reference to `ERR_print_errors_fp'
collect2: ld returned 1 exit status
我了解这是因为我的家用电脑中缺少某些库.但是谁能告诉我需要为此安装哪些库?提前致谢.
I understand that this is due to the absence of certain libraries in my home PC. But can anyone tell me which libraries I need to install for this? Thanks in advance.
推荐答案
把库放在源文件后面:
gcc -o openssl openssl.c -lssl -lcrypto
参见:http://www.network-theory.co.uk/docs/gccintro/gccintro_18.html
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