消息队列makefile错误:未定义对"mq_open"的引用 [英] message queue makefile error: undefined reference to `mq_open'

问题描述

即使我已经在我的Makefile中链接了-lrt，如下所示，我仍然得到undefined reference to 'mq_open'.请帮忙！

Even though I have linked -lrt in my Makefile, as you can see below, I am still getting undefined reference to 'mq_open'. Please help!

all:get1 iserv1
get: get1.c
    gcc -Wall -o get1 get1.c -lrt
iserv: iserv1.c
    gcc -Wall -o iserv1 iserv1.c -lrt
clean:
    rm -fr *~ get1 iserv1

推荐答案

注意-lrt不应位于中间.

Note -lrt should be at end not inbetween.

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