[英]Compilation error in GCC on Linux
I am trying to compile my code for GnuTLS , but on compiling it gives the following errors. 我正在尝试为GnuTLS编译我的代码,但是在编译时会出现以下错误。
I have checked gnutls.h
is present on my system in /usr/include/gnutls/
. 我已经检查了gnutls.h
在/usr/include/gnutls/
是否存在于我的系统中。
What else can be the cause? 还有什么原因?
gcc -o tls.o tls.c
/tmp/ccfyZ1Bd.o: In function `main':
tls.c:(.text+0x1c): undefined reference to `gnutls_global_init'
tls.c:(.text+0x28): undefined reference to `gnutls_anon_allocate_client_credentials'
tls.c:(.text+0x3c): undefined reference to `gnutls_init'
tls.c:(.text+0x58): undefined reference to `gnutls_priority_set_direct'
tls.c:(.text+0x74): undefined reference to `gnutls_credentials_set'
tls.c:(.text+0x79): undefined reference to `tcp_connect'
tls.c:(.text+0x91): undefined reference to `gnutls_transport_set_ptr'
tls.c:(.text+0x9d): undefined reference to `gnutls_handshake'
tls.c:(.text+0xdc): undefined reference to `gnutls_perror'
tls.c:(.text+0x109): undefined reference to `gnutls_record_send'
tls.c:(.text+0x125): undefined reference to `gnutls_record_recv'
tls.c:(.text+0x154): undefined reference to `gnutls_strerror'
tls.c:(.text+0x1e6): undefined reference to `gnutls_bye'
tls.c:(.text+0x1f2): undefined reference to `tcp_close'
tls.c:(.text+0x1fe): undefined reference to `gnutls_deinit'
tls.c:(.text+0x20a): undefined reference to `gnutls_anon_free_client_credentials'
tls.c:(.text+0x20f): undefined reference to `gnutls_global_deinit'
collect2: ld returned 1 exit status
This is a linking error. 这是一个链接错误。 You need to include some library with the -l
flag. 您需要在-l
标志中包含一些库。 Taking a wild guess without knowing your setup, I would try -lgnutls
在不知道您的设置的情况下进行疯狂的猜测,我会尝试-lgnutls
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