Fail to complie nginx with google-perftools

[Wendal Chen]

I compile nginx with  google-perftools 1.8.1

    ./configure  --with-cc-opt=-ltcmalloc
    make

It fail in 1.0.2 ~ 1.1.0 :
objs/src/core/ngx_shmtx.o: In function `ngx_shmtx_unlock':
/root/nginx-1.1.0/src/core/ngx_shmtx.c:170: undefined reference to
`sem_post'
objs/src/core/ngx_shmtx.o: In function `ngx_shmtx_lock':
/root/nginx-1.1.0/src/core/ngx_shmtx.c:115: undefined reference to
`sem_wait'
objs/src/core/ngx_shmtx.o: In function `ngx_shmtx_destory':
/root/nginx-1.1.0/src/core/ngx_shmtx.c:46: undefined reference to
`sem_destroy'
objs/src/core/ngx_shmtx.o: In function `ngx_shmtx_create':
/root/nginx-1.1.0/src/core/ngx_shmtx.c:27: undefined reference to `sem_init'


--
Thanks,
Wendal Chen
<http://t.sina.com.cn/1068040557?s=6uyXnP>
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