On Thu, Jul 31, 2014 at 08:09:52AM +0800, Theodore Si wrote: > I build it myself, not using rpm since it doesn't work. My OS is 32bit. It works for me with libbsd and libbsd-devel installed: $ cd /tmp $ wget http://www.apuebook.com/src.3e.tar.gz $ tar zxvf src.3e.tar.gz $ cd apue.3e $ make [multiple lines building] $ cd threads $ make gcc -ansi -I../include -Wall -DLINUX -D_GNU_SOURCE barrier.c -o barrier -L../lib -lapue -pthread -lrt -lbsd /tmp/ccmCvcBh.o: In function `thr_fn': barrier.c:(.text+0x80): undefined reference to `heapsort' collect2: ld returned 1 exit status make: *** [barrier] Error 1 $ sudo yum -y -q install libbsd libbsd-devel $ make gcc -ansi -I../include -Wall -DLINUX -D_GNU_SOURCE barrier.c -o barrier -L../lib -lapue -pthread -lrt -lbsd $ I'll admit that my OS is 64-bit, but I don't see anything in the code that would break with 32-bit. -- Jonathan Billings <billings@xxxxxxxxxx> _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos