message: support DESTDIR in makefile
diff: @@ -116,6 +116,10 @@ nice:
  prefix=/usr
  +ifneq ($(DESTDIR),)
  + prefix=${DESTDIR}/usr
  +endif
  +
  install: all
  mkdir -p ${prefix}/sbin/
  install -s -m 755 pcm-core.x ${prefix}/sbin/pcm-core
  