我正在尝试编译使用libwebsockets库的程序。
我已经在我的linux机器上下载并编译了libwebsockets,并且有以下目录结构。

/libwebsockets/build/bin/  -> contains the compiled binaries (test-server,test-client etc)

/libwebsockets/build/lib/  -> contains the shared libraries. libwebsockets.so libwebsockets.a libwebsockets.so.5.0.0

/libwebsockets/lib/ -> contains all the header files. eg: libwebsockets.h libwebsockets.c

/libwebsockets/test-server -> contains application programs..(test-server.c test-client.c etc)

现在我在
/libwebsockets/test服务器目录。
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <syslog.h>
#include <signal.h>
#include <libwebsockets.h>

当我试图编译这个程序时:
gcc -L/home/gadre/Desktop/Testing/libwebsockets/build/lib/ -lwebsockets simple-server.c -o s

我获取链接器错误:
simple-server.c:(.text+0x14c): undefined reference to `lwsl_emit_syslog'
simple-server.c:(.text+0x158): undefined reference to `lws_set_log_level'
simple-server.c:(.text+0x16d): undefined reference to `libwebsocket_get_internal_extensions'
simple-server.c:(.text+0x1a5): undefined reference to `libwebsocket_create_context'
simple-server.c:(.text+0x1c4): undefined reference to `_lws_log'
simple-server.c:(.text+0x1e9): undefined reference to `libwebsocket_service'
simple-server.c:(.text+0x209): undefined reference to `libwebsocket_context_destroy'
simple-server.c:(.text+0x21d): undefined reference to `_lws_log'

如何解决这个问题..我也试着把路径放在LD_LIBRARY_路径中。但链接器仍然找不到共享库。

最佳答案

我现在可以编译。。。我用了下面的命令。具有运行时链接选项。
gcc -L/home/gadre/Desktop/Testing/libwebsockets/build/lib -Wl,-rpath=/home/gadre/Desktop/Testing/libwebsockets/build/lib -Wall -o server incr_server.c -lwebsockets
我不知道具体细节,但目前有效

关于c - 共享库编译gcc,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/28271405/

10-12 22:11
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