Anh Nguyen wrote: > > Hello everyone. I have problem compiling semaphore and > share memory in cygwin. I did download and install the > icp packages. However, when i compile my programs i > get these errors: > > /cygdrive/c/WINDOWS/TEMP/ccfnoqO7.o(.text+0x33a):server2.c: > undefined reference to `shmat' > /cygdrive/c/WINDOWS/TEMP/ccfnoqO7.o(.text+0x1884):server2.c: > undefined reference to `shmget' > collect2: ld returned 1 exit status > > Anyone has any ideas what is wrong with these. Note, i > did include > #include <sys/ipc.h> > #include <sys/sem.h> > #include <sys/shm.h> > #include <sys/msg.h> > in my program.
do you specify the library containing the IPC functions on the gcc command line ? -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
