linux 编译lpthread

1：undefined reference to `pthread_create' gcc main.c -o test -lpthread

[root@hqgao ddserver]# gcc ddserver.c -o ddserver -lpthread [root@hqgao ddserver]# ./ddserver Segmentation fault

makefile 简单例子 all: httpd client LIBS = -lpthread #-lsocket httpd: httpd.c gcc -g -W -Wall $(LIBS) -o $@ $ client: simpleclient.c gcc -W -Wall -o $@ $ clean: rm httpd