未定义的引用'登录' [英] undefined reference to `log'

问题描述

我试图编译由唐纳德·东湖（code中的RFC 3797随机选择算法的实现：<一href=\"http://kambing.ui.ac.id/minix/other/rfc3797/\">http://kambing.ui.ac.id/minix/other/rfc3797/).不过，我得到一个链接器错误：

I am trying to compile the implementation of the RFC 3797 random selection algorithm by Donald Eastlake (code: http://kambing.ui.ac.id/minix/other/rfc3797/). However, I am getting a linker error:

rfc3797.c:(.text+0xe7f): undefined reference to `log'

我想与所提供的Makefile文件，其中明确对数学libraray链接，使，但我仍然得到错误：

I am trying to make it with the provided Makefile, which explicitly links against the math libraray, but I still get the error:

cc -lm -o randomselection rfc3797.c MD5.c

我怎么能编译这个程序？

How can I compile this program?

推荐答案

我不知道原因是什么，但如果移动 -lm 来结束，它会编译。

I don't know what the reason is, but if you move -lm to the end, it will compile.

$ cc -o randomselection rfc3797.c MD5.c -lm
rfc3797.c: In function ‘getinteger’:
rfc3797.c:183:3: warning: format not a string literal and no format arguments [-Wformat-security]

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