[Libvir] [PATCH] Fix substitution of QEMUD_PID_FILE

This fixes the bug I raised in my previous email. Use AC_SUBST instead of AC_DEFINE because we want autoconf to substitute the value into the Makefile, not into config.h. Then add @QEMUD_PID_FILE@ to CFLAGS. This seems to be the correct thing to do, according to my understanding of http://tinyurl.com/34gtdj . Rich. -- Emerging Technologies, Red Hat http://et.redhat.com/~rjones/ 64 Baker Street, London, W1U 7DF Mobile: +44 7866 314 421 Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Directors: Michael Cunningham (USA), Charlie Peters (USA) and David Owens (Ireland)