急急急！linux中C语言编译出现的问题？快要答辩了，一直没运行成功，大家帮帮忙！

lujj2010 2013-05-09 06:34:34

小弟正在使用openssl，并编写了下面代码.使用 gcc -Wall -o ssl_client ssl_client 编译报下面的错误，应该是没有找到库文件...我按网上的一些解决办法，用gcc -L/usr/local/ssl/bin -lcrypto -lssl ssl_client.c -o client 编译也不成功，真的不知道该怎么办了，快要交论文了，还没有运行出结构，希望大家帮帮忙？感激不尽！！！

请问那位大哥知道啊？

/tmp/ccEWKYFS.o: In function `ShowCerts':
ssl_client.c:(.text+0xd): undefined reference to `SSL_get_peer_certificate'
ssl_client.c:(.text+0x31): undefined reference to `X509_get_subject_name'
ssl_client.c:(.text+0x49): undefined reference to `X509_NAME_oneline'
ssl_client.c:(.text+0x75): undefined reference to `X509_get_issuer_name'
ssl_client.c:(.text+0x8d): undefined reference to `X509_NAME_oneline'
ssl_client.c:(.text+0xb9): undefined reference to `X509_free'
/tmp/ccEWKYFS.o: In function `main':
ssl_client.c:(.text+0x12c): undefined reference to `SSL_library_init'
ssl_client.c:(.text+0x131): undefined reference to `OPENSSL_add_all_algorithms_noconf'
ssl_client.c:(.text+0x136): undefined reference to `SSL_load_error_strings'
ssl_client.c:(.text+0x13b): undefined reference to `SSLv23_client_method'
ssl_client.c:(.text+0x143): undefined reference to `SSL_CTX_new'
ssl_client.c:(.text+0x15f): undefined reference to `ERR_print_errors_fp'
ssl_client.c:(.text+0x29d): undefined reference to `SSL_new'
ssl_client.c:(.text+0x2bb): undefined reference to `SSL_set_fd'
ssl_client.c:(.text+0x2c9): undefined reference to `SSL_connect'
ssl_client.c:(.text+0x2db): undefined reference to `ERR_print_errors_fp'
ssl_client.c:(.text+0x2eb): undefined reference to `SSL_get_current_cipher'
ssl_client.c:(.text+0x2f3): undefined reference to `SSL_CIPHER_get_name'
ssl_client.c:(.text+0x359): undefined reference to `SSL_write'
ssl_client.c:(.text+0x3f6): undefined reference to `SSL_read'
ssl_client.c:(.text+0x461): undefined reference to `SSL_shutdown'
ssl_client.c:(.text+0x46f): undefined reference to `SSL_free'
ssl_client.c:(.text+0x48b): undefined reference to `SSL_CTX_free

...全文

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fdxfdx123 2013-05-10

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要把相关的库连接进来

承诺别再提 2013-05-10

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引用 7 楼 nadleeh123 的回复:

[quote=引用楼主 lujj2010 的回复:] 小弟正在使用openssl，并编写了下面代码.使用 gcc -Wall -o ssl_client ssl_client 编译报下面的错误，应该是没有找到库文件...我按网上的一些解决办法，用gcc -L/usr/local/ssl/bin -lcrypto -lssl ssl_client.c -o client 编译也不成功，真的不知道该怎么办了，快要交论文了，还没有运行出结构，希望大家帮帮忙？感激不尽！！！请问那位大哥知道啊？ /tmp/ccEWKYFS.o: In function `ShowCerts': ssl_client.c:(.text+0xd): undefined reference to `SSL_get_peer_certificate' ssl_client.c:(.text+0x31): undefined reference to `X509_get_subject_name' ssl_client.c:(.text+0x49): undefined reference to `X509_NAME_oneline' ssl_client.c:(.text+0x75): undefined reference to `X509_get_issuer_name' ssl_client.c:(.text+0x8d): undefined reference to `X509_NAME_oneline' ssl_client.c:(.text+0xb9): undefined reference to `X509_free' /tmp/ccEWKYFS.o: In function `main': ssl_client.c:(.text+0x12c): undefined reference to `SSL_library_init' ssl_client.c:(.text+0x131): undefined reference to `OPENSSL_add_all_algorithms_noconf' ssl_client.c:(.text+0x136): undefined reference to `SSL_load_error_strings' ssl_client.c:(.text+0x13b): undefined reference to `SSLv23_client_method' ssl_client.c:(.text+0x143): undefined reference to `SSL_CTX_new' ssl_client.c:(.text+0x15f): undefined reference to `ERR_print_errors_fp' ssl_client.c:(.text+0x29d): undefined reference to `SSL_new' ssl_client.c:(.text+0x2bb): undefined reference to `SSL_set_fd' ssl_client.c:(.text+0x2c9): undefined reference to `SSL_connect' ssl_client.c:(.text+0x2db): undefined reference to `ERR_print_errors_fp' ssl_client.c:(.text+0x2eb): undefined reference to `SSL_get_current_cipher' ssl_client.c:(.text+0x2f3): undefined reference to `SSL_CIPHER_get_name' ssl_client.c:(.text+0x359): undefined reference to `SSL_write' ssl_client.c:(.text+0x3f6): undefined reference to `SSL_read' ssl_client.c:(.text+0x461): undefined reference to `SSL_shutdown' ssl_client.c:(.text+0x46f): undefined reference to `SSL_free' ssl_client.c:(.text+0x48b): undefined reference to `SSL_CTX_free

openssl 你装了吗？还有的命令你确定正确？调用动态库，你导入当前环境变量了吗？？用export LD_LIBRARY

nadleeh 2013-05-10

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引用楼主 lujj2010 的回复:

小弟正在使用openssl，并编写了下面代码.使用 gcc -Wall -o ssl_client ssl_client 编译报下面的错误，应该是没有找到库文件...我按网上的一些解决办法，用gcc -L/usr/local/ssl/bin -lcrypto -lssl ssl_client.c -o client 编译也不成功，真的不知道该怎么办了，快要交论文了，还没有运行出结构，希望大家帮帮忙？感激不尽！！！请问那位大哥知道啊？ /tmp/ccEWKYFS.o: In function `ShowCerts': ssl_client.c:(.text+0xd): undefined reference to `SSL_get_peer_certificate' ssl_client.c:(.text+0x31): undefined reference to `X509_get_subject_name' ssl_client.c:(.text+0x49): undefined reference to `X509_NAME_oneline' ssl_client.c:(.text+0x75): undefined reference to `X509_get_issuer_name' ssl_client.c:(.text+0x8d): undefined reference to `X509_NAME_oneline' ssl_client.c:(.text+0xb9): undefined reference to `X509_free' /tmp/ccEWKYFS.o: In function `main': ssl_client.c:(.text+0x12c): undefined reference to `SSL_library_init' ssl_client.c:(.text+0x131): undefined reference to `OPENSSL_add_all_algorithms_noconf' ssl_client.c:(.text+0x136): undefined reference to `SSL_load_error_strings' ssl_client.c:(.text+0x13b): undefined reference to `SSLv23_client_method' ssl_client.c:(.text+0x143): undefined reference to `SSL_CTX_new' ssl_client.c:(.text+0x15f): undefined reference to `ERR_print_errors_fp' ssl_client.c:(.text+0x29d): undefined reference to `SSL_new' ssl_client.c:(.text+0x2bb): undefined reference to `SSL_set_fd' ssl_client.c:(.text+0x2c9): undefined reference to `SSL_connect' ssl_client.c:(.text+0x2db): undefined reference to `ERR_print_errors_fp' ssl_client.c:(.text+0x2eb): undefined reference to `SSL_get_current_cipher' ssl_client.c:(.text+0x2f3): undefined reference to `SSL_CIPHER_get_name' ssl_client.c:(.text+0x359): undefined reference to `SSL_write' ssl_client.c:(.text+0x3f6): undefined reference to `SSL_read' ssl_client.c:(.text+0x461): undefined reference to `SSL_shutdown' ssl_client.c:(.text+0x46f): undefined reference to `SSL_free' ssl_client.c:(.text+0x48b): undefined reference to `SSL_CTX_free

openssl 你装了吗？还有的命令你确定正确？