GNU readline 历史功能
我将此代码用于 shell 中的历史记录功能: http ://cc.byexamples.com/20080613/gnu-readline-how-to-keep-a-history-list-of-entered-command-lines/ 但是当我使用 gcc 编译它时,我得到了这个错误
$ gcc filename.c
/tmp/ccay2CgM.o: In function `main':
rl.c:(.text+0x9): undefined reference to `rl_abort'
rl.c:(.text+0x13): undefined reference to `rl_bind_key'
rl.c:(.text+0x1d): undefined reference to `readline'
rl.c:(.text+0x61): undefined reference to `add_history'
collect2: ld returned 1 exit status
$
I'm using this code for the history features in my shell:
http://cc.byexamples.com/20080613/gnu-readline-how-to-keep-a-history-list-of-entered-command-lines/
but when I compile this using gcc, I got this error
$ gcc filename.c
/tmp/ccay2CgM.o: In function `main':
rl.c:(.text+0x9): undefined reference to `rl_abort'
rl.c:(.text+0x13): undefined reference to `rl_bind_key'
rl.c:(.text+0x1d): undefined reference to `readline'
rl.c:(.text+0x61): undefined reference to `add_history'
collect2: ld returned 1 exit status
$
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示例编译行是
您忘记添加 -lreadline 了吗?
The example compile line is
Did you forget to add the -lreadline?
编译如下:
Compile with this: