Subj : Re: How to start programming with pthreads?
To   : comp.programming.threads
From : Ed Skinner
Date : Mon Mar 28 2005 08:10 am

On Sun, 27 Mar 2005 08:38:44 -0800, tat wrote:

> To continue my previous message. When I compied, the errors are
> 
> //////////
> g++    -c -o maincode.o maincode.cpp
> g++    -c -o tat_thread.o tat_thread.cpp g++    -c -o hello.o hello.cpp
> 
> *
> * Linking maincode
> *
> g++ -o maincode maincode.o tat_thread.o hello.o tat_thread.o(.text+0x19a):
> In function `TAT_Thread::Detach()':
> : undefined reference to `pthread_detach'
> tat_thread.o(.text+0x1da): In function `TAT_Thread::Wait()':
> : undefined reference to `pthread_join'
> tat_thread.o(.text+0x210): In function `TAT_Thread::Stop()':
> : undefined reference to `pthread_cancel'
> tat_thread.o(.text+0x21e): In function `TAT_Thread::Stop()':
> : undefined reference to `pthread_detach'
> collect2: ld returned 1 exit status
> make: *** [maincode] Error 1


Add "-l pthread" to the line in the Makefile where everything is being
linked together (the second g++ line above).

.